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b704659899
mutter/src/core/window.c
Jasper St. Pierre b704659899 backend: Add an XIWarpPointer wrapper 
This makes Alt+F7 / Alt+F8 work respectively under X11 nested mode.
For the native backend implementation, we'll need a special Clutter
function, so don't implement that for now.
2014-05-27 14:28:35 -04:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2001 Havoc Pennington, Anders Carlsson
* Copyright (C) 2002, 2003 Red Hat, Inc.
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2004-2006 Elijah Newren
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:window
* @title: MetaWindow
* @short_description: Mutter X managed windows
*/
#include <config.h>
#include "window-private.h"
#include "boxes-private.h"
#include "edge-resistance.h"
#include "util-private.h"
#include "frame.h"
#include <meta/errors.h>
#include "workspace-private.h"
#include "stack.h"
#include "keybindings-private.h"
#include "ui.h"
#include "place.h"
#include <meta/prefs.h>
#include <meta/group.h>
#include "constraints.h"
#include "mutter-enum-types.h"
#include "core.h"
#include <X11/Xatom.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "meta/compositor-mutter.h"
#include "x11/window-x11.h"
#include "x11/window-props.h"
#include "x11/xprops.h"
#include "wayland/window-wayland.h"
#include "wayland/meta-wayland-private.h"
#include "backends/meta-backend.h"
/* Windows that unmaximize to a size bigger than that fraction of the workarea
* will be scaled down to that size (while maintaining aspect ratio).
* Windows that cover an area greater then this size are automaximized on map.
*/
#define MAX_UNMAXIMIZED_WINDOW_AREA .8
static int destroying_windows_disallowed = 0;
static void invalidate_work_areas (MetaWindow *window);
static void set_wm_state (MetaWindow *window);
static void set_net_wm_state (MetaWindow *window);
static void meta_window_set_above (MetaWindow *window,
gboolean new_value);
static void meta_window_force_placement (MetaWindow *window);
static void meta_window_show (MetaWindow *window);
static void meta_window_hide (MetaWindow *window);
static void meta_window_save_rect (MetaWindow *window);
static void ensure_mru_position_after (MetaWindow *window,
MetaWindow *after_this_one);
static void meta_window_move_resize_now (MetaWindow *window);
static void meta_window_unqueue (MetaWindow *window, guint queuebits);
static void update_move (MetaWindow *window,
gboolean snap,
int x,
int y);
static gboolean update_move_timeout (gpointer data);
static void update_resize (MetaWindow *window,
gboolean snap,
int x,
int y,
gboolean force);
static gboolean update_resize_timeout (gpointer data);
static gboolean should_be_on_all_workspaces (MetaWindow *window);
static void meta_window_flush_calc_showing (MetaWindow *window);
static gboolean queue_calc_showing_func (MetaWindow *window,
void *data);
static void meta_window_move_between_rects (MetaWindow *window,
const MetaRectangle *old_area,
const MetaRectangle *new_area);
static void unmaximize_window_before_freeing (MetaWindow *window);
static void unminimize_window_and_all_transient_parents (MetaWindow *window);
static void meta_window_propagate_focus_appearance (MetaWindow *window,
gboolean focused);
/* Idle handlers for the three queues (run with meta_later_add()). The
* "data" parameter in each case will be a GINT_TO_POINTER of the
* index into the queue arrays to use.
*
* TODO: Possibly there is still some code duplication among these, which we
* need to sort out at some point.
*/
static gboolean idle_calc_showing (gpointer data);
static gboolean idle_move_resize (gpointer data);
static gboolean idle_update_icon (gpointer data);
G_DEFINE_ABSTRACT_TYPE (MetaWindow, meta_window, G_TYPE_OBJECT);
enum {
PROP_0,
PROP_TITLE,
PROP_ICON,
PROP_MINI_ICON,
PROP_DECORATED,
PROP_FULLSCREEN,
PROP_MAXIMIZED_HORIZONTALLY,
PROP_MAXIMIZED_VERTICALLY,
PROP_MINIMIZED,
PROP_WINDOW_TYPE,
PROP_USER_TIME,
PROP_DEMANDS_ATTENTION,
PROP_URGENT,
PROP_SKIP_TASKBAR,
PROP_MUTTER_HINTS,
PROP_APPEARS_FOCUSED,
PROP_RESIZEABLE,
PROP_ABOVE,
PROP_WM_CLASS,
PROP_GTK_APPLICATION_ID,
PROP_GTK_UNIQUE_BUS_NAME,
PROP_GTK_APPLICATION_OBJECT_PATH,
PROP_GTK_WINDOW_OBJECT_PATH,
PROP_GTK_APP_MENU_OBJECT_PATH,
PROP_GTK_MENUBAR_OBJECT_PATH
};
enum
{
WORKSPACE_CHANGED,
FOCUS,
RAISED,
UNMANAGED,
SIZE_CHANGED,
POSITION_CHANGED,
LAST_SIGNAL
};
static guint window_signals[LAST_SIGNAL] = { 0 };
static void
prefs_changed_callback (MetaPreference pref,
gpointer data)
{
MetaWindow *window = data;
if (pref == META_PREF_WORKSPACES_ONLY_ON_PRIMARY)
{
meta_window_update_on_all_workspaces (window);
meta_window_queue (window, META_QUEUE_CALC_SHOWING);
}
else if (pref == META_PREF_ATTACH_MODAL_DIALOGS &&
window->type == META_WINDOW_MODAL_DIALOG)
{
window->attached = meta_window_should_attach_to_parent (window);
meta_window_recalc_features (window);
meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
}
}
static void
meta_window_real_grab_op_began (MetaWindow *window,
MetaGrabOp op)
{
}
static void
meta_window_real_grab_op_ended (MetaWindow *window,
MetaGrabOp op)
{
window->shaken_loose = FALSE;
}
static void
meta_window_real_current_workspace_changed (MetaWindow *window)
{
}
static gboolean
meta_window_real_update_struts (MetaWindow *window)
{
return FALSE;
}
static void
meta_window_real_get_default_skip_hints (MetaWindow *window,
gboolean *skip_taskbar_out,
gboolean *skip_pager_out)
{
*skip_taskbar_out = FALSE;
*skip_pager_out = FALSE;
}
static void
meta_window_finalize (GObject *object)
{
MetaWindow *window = META_WINDOW (object);
if (window->icon)
g_object_unref (G_OBJECT (window->icon));
if (window->mini_icon)
g_object_unref (G_OBJECT (window->mini_icon));
if (window->frame_bounds)
cairo_region_destroy (window->frame_bounds);
if (window->shape_region)
cairo_region_destroy (window->shape_region);
if (window->opaque_region)
cairo_region_destroy (window->opaque_region);
if (window->transient_for)
g_object_unref (window->transient_for);
meta_icon_cache_free (&window->icon_cache);
g_free (window->sm_client_id);
g_free (window->wm_client_machine);
g_free (window->startup_id);
g_free (window->role);
g_free (window->res_class);
g_free (window->res_name);
g_free (window->title);
g_free (window->desc);
g_free (window->gtk_theme_variant);
g_free (window->gtk_application_id);
g_free (window->gtk_unique_bus_name);
g_free (window->gtk_application_object_path);
g_free (window->gtk_window_object_path);
g_free (window->gtk_app_menu_object_path);
g_free (window->gtk_menubar_object_path);
G_OBJECT_CLASS (meta_window_parent_class)->finalize (object);
}
static void
meta_window_get_property(GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MetaWindow *win = META_WINDOW (object);
switch (prop_id)
{
case PROP_TITLE:
g_value_set_string (value, win->title);
break;
case PROP_ICON:
g_value_set_object (value, win->icon);
break;
case PROP_MINI_ICON:
g_value_set_object (value, win->mini_icon);
break;
case PROP_DECORATED:
g_value_set_boolean (value, win->decorated);
break;
case PROP_FULLSCREEN:
g_value_set_boolean (value, win->fullscreen);
break;
case PROP_MAXIMIZED_HORIZONTALLY:
g_value_set_boolean (value, win->maximized_horizontally);
break;
case PROP_MAXIMIZED_VERTICALLY:
g_value_set_boolean (value, win->maximized_vertically);
break;
case PROP_MINIMIZED:
g_value_set_boolean (value, win->minimized);
break;
case PROP_WINDOW_TYPE:
g_value_set_enum (value, win->type);
break;
case PROP_USER_TIME:
g_value_set_uint (value, win->net_wm_user_time);
break;
case PROP_DEMANDS_ATTENTION:
g_value_set_boolean (value, win->wm_state_demands_attention);
break;
case PROP_URGENT:
g_value_set_boolean (value, win->urgent);
break;
case PROP_SKIP_TASKBAR:
g_value_set_boolean (value, win->skip_taskbar);
break;
case PROP_MUTTER_HINTS:
g_value_set_string (value, win->mutter_hints);
break;
case PROP_APPEARS_FOCUSED:
g_value_set_boolean (value, meta_window_appears_focused (win));
break;
case PROP_WM_CLASS:
g_value_set_string (value, win->res_class);
break;
case PROP_RESIZEABLE:
g_value_set_boolean (value, win->has_resize_func);
break;
case PROP_ABOVE:
g_value_set_boolean (value, win->wm_state_above);
break;
case PROP_GTK_APPLICATION_ID:
g_value_set_string (value, win->gtk_application_id);
break;
case PROP_GTK_UNIQUE_BUS_NAME:
g_value_set_string (value, win->gtk_unique_bus_name);
break;
case PROP_GTK_APPLICATION_OBJECT_PATH:
g_value_set_string (value, win->gtk_application_object_path);
break;
case PROP_GTK_WINDOW_OBJECT_PATH:
g_value_set_string (value, win->gtk_window_object_path);
break;
case PROP_GTK_APP_MENU_OBJECT_PATH:
g_value_set_string (value, win->gtk_app_menu_object_path);
break;
case PROP_GTK_MENUBAR_OBJECT_PATH:
g_value_set_string (value, win->gtk_menubar_object_path);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_window_set_property(GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id)
{
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
meta_window_class_init (MetaWindowClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_window_finalize;
object_class->get_property = meta_window_get_property;
object_class->set_property = meta_window_set_property;
klass->grab_op_began = meta_window_real_grab_op_began;
klass->grab_op_ended = meta_window_real_grab_op_ended;
klass->current_workspace_changed = meta_window_real_current_workspace_changed;
klass->update_struts = meta_window_real_update_struts;
klass->get_default_skip_hints = meta_window_real_get_default_skip_hints;
g_object_class_install_property (object_class,
PROP_TITLE,
g_param_spec_string ("title",
"Title",
"The title of the window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_ICON,
g_param_spec_object ("icon",
"Icon",
"96 pixel sized icon",
GDK_TYPE_PIXBUF,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_MINI_ICON,
g_param_spec_object ("mini-icon",
"Mini Icon",
"16 pixel sized icon",
GDK_TYPE_PIXBUF,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_DECORATED,
g_param_spec_boolean ("decorated",
"Decorated",
"Whether window is decorated",
TRUE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_FULLSCREEN,
g_param_spec_boolean ("fullscreen",
"Fullscreen",
"Whether window is fullscreened",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_MAXIMIZED_HORIZONTALLY,
g_param_spec_boolean ("maximized-horizontally",
"Maximized horizontally",
"Whether window is maximized horizontally",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_MAXIMIZED_VERTICALLY,
g_param_spec_boolean ("maximized-vertically",
"Maximizing vertically",
"Whether window is maximized vertically",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_MINIMIZED,
g_param_spec_boolean ("minimized",
"Minimizing",
"Whether window is minimized",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_WINDOW_TYPE,
g_param_spec_enum ("window-type",
"Window Type",
"The type of the window",
META_TYPE_WINDOW_TYPE,
META_WINDOW_NORMAL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_USER_TIME,
g_param_spec_uint ("user-time",
"User time",
"Timestamp of last user interaction",
0,
G_MAXUINT,
0,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_DEMANDS_ATTENTION,
g_param_spec_boolean ("demands-attention",
"Demands Attention",
"Whether the window has _NET_WM_STATE_DEMANDS_ATTENTION set",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_URGENT,
g_param_spec_boolean ("urgent",
"Urgent",
"Whether the urgent flag of WM_HINTS is set",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_SKIP_TASKBAR,
g_param_spec_boolean ("skip-taskbar",
"Skip taskbar",
"Whether the skip-taskbar flag of WM_HINTS is set",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_MUTTER_HINTS,
g_param_spec_string ("mutter-hints",
"_MUTTER_HINTS",
"Contents of the _MUTTER_HINTS property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_APPEARS_FOCUSED,
g_param_spec_boolean ("appears-focused",
"Appears focused",
"Whether the window is drawn as being focused",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_RESIZEABLE,
g_param_spec_boolean ("resizeable",
"Resizeable",
"Whether the window can be resized",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_ABOVE,
g_param_spec_boolean ("above",
"Above",
"Whether the window is shown as always-on-top",
FALSE,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_WM_CLASS,
g_param_spec_string ("wm-class",
"WM_CLASS",
"Contents of the WM_CLASS property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_APPLICATION_ID,
g_param_spec_string ("gtk-application-id",
"_GTK_APPLICATION_ID",
"Contents of the _GTK_APPLICATION_ID property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_UNIQUE_BUS_NAME,
g_param_spec_string ("gtk-unique-bus-name",
"_GTK_UNIQUE_BUS_NAME",
"Contents of the _GTK_UNIQUE_BUS_NAME property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_APPLICATION_OBJECT_PATH,
g_param_spec_string ("gtk-application-object-path",
"_GTK_APPLICATION_OBJECT_PATH",
"Contents of the _GTK_APPLICATION_OBJECT_PATH property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_WINDOW_OBJECT_PATH,
g_param_spec_string ("gtk-window-object-path",
"_GTK_WINDOW_OBJECT_PATH",
"Contents of the _GTK_WINDOW_OBJECT_PATH property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_APP_MENU_OBJECT_PATH,
g_param_spec_string ("gtk-app-menu-object-path",
"_GTK_APP_MENU_OBJECT_PATH",
"Contents of the _GTK_APP_MENU_OBJECT_PATH property of this window",
NULL,
G_PARAM_READABLE));
g_object_class_install_property (object_class,
PROP_GTK_MENUBAR_OBJECT_PATH,
g_param_spec_string ("gtk-menubar-object-path",
"_GTK_MENUBAR_OBJECT_PATH",
"Contents of the _GTK_MENUBAR_OBJECT_PATH property of this window",
NULL,
G_PARAM_READABLE));
window_signals[WORKSPACE_CHANGED] =
g_signal_new ("workspace-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_INT);
window_signals[FOCUS] =
g_signal_new ("focus",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
window_signals[RAISED] =
g_signal_new ("raised",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
window_signals[UNMANAGED] =
g_signal_new ("unmanaged",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
/**
* MetaWindow::position-changed:
* @window: a #MetaWindow
*
* This is emitted when the position of a window might
* have changed. Specifically, this is emitted when the
* position of the toplevel window has changed, or when
* the position of the client window has changed.
*/
window_signals[POSITION_CHANGED] =
g_signal_new ("position-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
/**
* MetaWindow::size-changed:
* @window: a #MetaWindow
*
* This is emitted when the position of a window might
* have changed. Specifically, this is emitted when the
* size of the toplevel window has changed, or when the
* size of the client window has changed.
*/
window_signals[SIZE_CHANGED] =
g_signal_new ("size-changed",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void
meta_window_init (MetaWindow *self)
{
meta_prefs_add_listener (prefs_changed_callback, self);
}
static gboolean
is_desktop_or_dock_foreach (MetaWindow *window,
void *data)
{
gboolean *result = data;
*result =
window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK;
if (*result)
return FALSE; /* stop as soon as we find one */
else
return TRUE;
}
/* window is the window that's newly mapped provoking
* the possible change
*/
static void
maybe_leave_show_desktop_mode (MetaWindow *window)
{
gboolean is_desktop_or_dock;
if (!window->screen->active_workspace->showing_desktop)
return;
/* If the window is a transient for the dock or desktop, don't
* leave show desktop mode when the window opens. That's
* so you can e.g. hide all windows, manipulate a file on
* the desktop via a dialog, then unshow windows again.
*/
is_desktop_or_dock = FALSE;
is_desktop_or_dock_foreach (window,
&is_desktop_or_dock);
meta_window_foreach_ancestor (window, is_desktop_or_dock_foreach,
&is_desktop_or_dock);
if (!is_desktop_or_dock)
{
meta_screen_minimize_all_on_active_workspace_except (window->screen,
window);
meta_screen_unshow_desktop (window->screen);
}
}
gboolean
meta_window_should_attach_to_parent (MetaWindow *window)
{
MetaWindow *parent;
if (!meta_prefs_get_attach_modal_dialogs () ||
window->type != META_WINDOW_MODAL_DIALOG)
return FALSE;
parent = meta_window_get_transient_for (window);
if (!parent)
return FALSE;
switch (parent->type)
{
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
return TRUE;
default:
return FALSE;
}
}
static gboolean
client_window_should_be_mapped (MetaWindow *window)
{
return !window->shaded;
}
static void
sync_client_window_mapped (MetaWindow *window)
{
gboolean should_be_mapped = client_window_should_be_mapped (window);
if (window->mapped == should_be_mapped)
return;
window->mapped = should_be_mapped;
meta_error_trap_push (window->display);
if (should_be_mapped)
{
XMapWindow (window->display->xdisplay, window->xwindow);
}
else
{
XUnmapWindow (window->display->xdisplay, window->xwindow);
window->unmaps_pending ++;
}
meta_error_trap_pop (window->display);
}
static void
meta_window_update_desc (MetaWindow *window)
{
g_clear_pointer (&window->desc, g_free);
if (window->title)
window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title);
else
window->desc = g_strdup_printf ("0x%lx", window->xwindow);
}
MetaWindow *
_meta_window_shared_new (MetaDisplay *display,
MetaScreen *screen,
MetaWindowClientType client_type,
MetaWaylandSurface *surface,
Window xwindow,
gulong existing_wm_state,
MetaCompEffect effect,
XWindowAttributes *attrs)
{
MetaWindow *window;
MetaWorkspace *space;
g_assert (attrs != NULL);
meta_verbose ("attrs->map_state = %d (%s)\n",
attrs->map_state,
(attrs->map_state == IsUnmapped) ?
"IsUnmapped" :
(attrs->map_state == IsViewable) ?
"IsViewable" :
(attrs->map_state == IsUnviewable) ?
"IsUnviewable" :
"(unknown)");
if (client_type == META_WINDOW_CLIENT_TYPE_X11)
window = g_object_new (META_TYPE_WINDOW_X11, NULL);
else
window = g_object_new (META_TYPE_WINDOW_WAYLAND, NULL);
window->constructing = TRUE;
window->dialog_pid = -1;
window->client_type = client_type;
window->surface = surface;
window->xwindow = xwindow;
window->surface_mapped = FALSE;
/* this is in window->screen->display, but that's too annoying to
* type
*/
window->display = display;
window->workspace = NULL;
window->sync_request_counter = None;
window->sync_request_serial = 0;
window->sync_request_timeout_id = 0;
window->sync_request_alarm = None;
window->screen = screen;
meta_window_update_desc (window);
window->override_redirect = attrs->override_redirect;
/* avoid tons of stack updates */
meta_stack_freeze (window->screen->stack);
window->rect.x = attrs->x;
window->rect.y = attrs->y;
window->rect.width = attrs->width;
window->rect.height = attrs->height;
/* size_hints are the "request" */
window->size_hints.x = attrs->x;
window->size_hints.y = attrs->y;
window->size_hints.width = attrs->width;
window->size_hints.height = attrs->height;
/* initialize the remaining size_hints as if size_hints.flags were zero */
meta_set_normal_hints (window, NULL);
/* And this is our unmaximized size */
window->saved_rect = window->rect;
window->unconstrained_rect = window->rect;
window->depth = attrs->depth;
window->xvisual = attrs->visual;
window->title = NULL;
window->icon = NULL;
window->mini_icon = NULL;
meta_icon_cache_init (&window->icon_cache);
window->wm_hints_pixmap = None;
window->wm_hints_mask = None;
window->frame = NULL;
window->has_focus = FALSE;
window->attached_focus_window = NULL;
window->maximized_horizontally = FALSE;
window->maximized_vertically = FALSE;
window->maximize_horizontally_after_placement = FALSE;
window->maximize_vertically_after_placement = FALSE;
window->minimize_after_placement = FALSE;
window->fullscreen = FALSE;
window->fullscreen_after_placement = FALSE;
window->fullscreen_monitors[0] = -1;
window->require_fully_onscreen = TRUE;
window->require_on_single_monitor = TRUE;
window->require_titlebar_visible = TRUE;
window->on_all_workspaces = FALSE;
window->on_all_workspaces_requested = FALSE;
window->tile_mode = META_TILE_NONE;
window->tile_monitor_number = -1;
window->shaded = FALSE;
window->initially_iconic = FALSE;
window->minimized = FALSE;
window->tab_unminimized = FALSE;
window->iconic = FALSE;
window->mapped = attrs->map_state != IsUnmapped;
window->hidden = FALSE;
window->known_to_compositor = FALSE;
window->visible_to_compositor = FALSE;
window->pending_compositor_effect = effect;
/* if already mapped, no need to worry about focus-on-first-time-showing */
window->showing_for_first_time = !window->mapped;
/* if already mapped we don't want to do the placement thing;
* override-redirect windows are placed by the app */
window->placed = ((window->mapped && !window->hidden) || window->override_redirect);
window->denied_focus_and_not_transient = FALSE;
window->unmanaging = FALSE;
window->is_in_queues = 0;
window->keys_grabbed = FALSE;
window->grab_on_frame = FALSE;
window->all_keys_grabbed = FALSE;
window->withdrawn = FALSE;
window->initial_workspace_set = FALSE;
window->initial_timestamp_set = FALSE;
window->net_wm_user_time_set = FALSE;
window->user_time_window = None;
window->take_focus = FALSE;
window->delete_window = FALSE;
window->can_ping = FALSE;
window->input = TRUE;
window->calc_placement = FALSE;
window->shaken_loose = FALSE;
window->have_focus_click_grab = FALSE;
window->disable_sync = FALSE;
window->unmaps_pending = 0;
window->mwm_decorated = TRUE;
window->mwm_border_only = FALSE;
window->mwm_has_close_func = TRUE;
window->mwm_has_minimize_func = TRUE;
window->mwm_has_maximize_func = TRUE;
window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE;
if (client_type == META_WINDOW_CLIENT_TYPE_X11)
window->decorated = TRUE;
else
window->decorated = FALSE;
window->has_close_func = TRUE;
window->has_minimize_func = TRUE;
window->has_maximize_func = TRUE;
window->has_move_func = TRUE;
window->has_resize_func = TRUE;
window->has_shade_func = TRUE;
window->has_fullscreen_func = TRUE;
window->always_sticky = FALSE;
window->skip_taskbar = FALSE;
window->skip_pager = FALSE;
window->wm_state_above = FALSE;
window->wm_state_below = FALSE;
window->wm_state_demands_attention = FALSE;
window->res_class = NULL;
window->res_name = NULL;
window->role = NULL;
window->sm_client_id = NULL;
window->wm_client_machine = NULL;
window->is_remote = FALSE;
window->startup_id = NULL;
window->net_wm_pid = -1;
window->xtransient_for = None;
window->xclient_leader = None;
window->transient_parent_is_root_window = FALSE;
window->type = META_WINDOW_NORMAL;
window->struts = NULL;
window->layer = META_LAYER_LAST; /* invalid value */
window->stack_position = -1;
window->initial_workspace = 0; /* not used */
window->initial_timestamp = 0; /* not used */
window->compositor_private = NULL;
window->monitor = meta_screen_get_monitor_for_window (window->screen, window);
window->tile_match = NULL;
/* Assign this #MetaWindow a sequence number which can be used
* for sorting.
*/
window->stable_sequence = ++display->window_sequence_counter;
window->opacity = 0xFF;
META_WINDOW_GET_CLASS (window)->manage (window);
if (window->override_redirect)
{
window->decorated = FALSE;
window->always_sticky = TRUE;
window->has_close_func = FALSE;
window->has_shade_func = FALSE;
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
}
if (!window->override_redirect)
meta_window_update_icon_now (window);
if (window->initially_iconic)
{
/* WM_HINTS said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s asked to start out minimized\n", window->desc);
}
if (existing_wm_state == IconicState)
{
/* WM_STATE said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s had preexisting WM_STATE = IconicState, minimizing\n",
window->desc);
/* Assume window was previously placed, though perhaps it's
* been iconic its whole life, we have no way of knowing.
*/
window->placed = TRUE;
}
/* Apply any window attributes such as initial workspace
* based on startup notification
*/
meta_screen_apply_startup_properties (window->screen, window);
/* Try to get a "launch timestamp" for the window. If the window is
* a transient, we'd like to be able to get a last-usage timestamp
* from the parent window. If the window has no parent, there isn't
* much we can do...except record the current time so that any children
* can use this time as a fallback.
*/
if (!window->override_redirect && !window->net_wm_user_time_set) {
/* First, maybe the app was launched with startup notification using an
* obsolete version of the spec; use that timestamp if it exists.
*/
if (window->initial_timestamp_set)
/* NOTE: Do NOT toggle net_wm_user_time_set to true; this is just
* being recorded as a fallback for potential transients
*/
window->net_wm_user_time = window->initial_timestamp;
else if (window->transient_for != NULL)
meta_window_set_user_time (window, window->transient_for->net_wm_user_time);
else
/* NOTE: Do NOT toggle net_wm_user_time_set to true; this is just
* being recorded as a fallback for potential transients
*/
window->net_wm_user_time =
meta_display_get_current_time_roundtrip (window->display);
}
window->attached = meta_window_should_attach_to_parent (window);
if (window->attached)
meta_window_recalc_features (window);
if (window->decorated)
meta_window_ensure_frame (window);
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
/* Change the default, but don't enforce this if the user
* focuses the dock/desktop and unsticks it using key shortcuts.
* Need to set this before adding to the workspaces so the MRU
* lists will be updated.
*/
window->on_all_workspaces_requested = TRUE;
}
window->on_all_workspaces = should_be_on_all_workspaces (window);
/* For the workspace, first honor hints,
* if that fails put transients with parents,
* otherwise put window on active space
*/
if (window->initial_workspace_set)
{
if (window->initial_workspace == (int) 0xFFFFFFFF)
{
meta_topic (META_DEBUG_PLACEMENT,
"Window %s is initially on all spaces\n",
window->desc);
/* need to set on_all_workspaces first so that it will be
* added to all the MRU lists
*/
window->on_all_workspaces_requested = TRUE;
window->on_all_workspaces = TRUE;
meta_workspace_add_window (window->screen->active_workspace, window);
}
else
{
meta_topic (META_DEBUG_PLACEMENT,
"Window %s is initially on space %d\n",
window->desc, window->initial_workspace);
space =
meta_screen_get_workspace_by_index (window->screen,
window->initial_workspace);
if (space)
meta_workspace_add_window (space, window);
}
}
/* override-redirect windows are subtly different from other windows
* with window->on_all_workspaces == TRUE. Other windows are part of
* some workspace (so they can return to that if the flag is turned off),
* but appear on other workspaces. override-redirect windows are part
* of no workspace.
*/
if (!window->override_redirect)
{
if (window->workspace == NULL &&
window->transient_for != NULL)
{
/* Try putting dialog on parent's workspace */
if (window->transient_for->workspace)
{
meta_topic (META_DEBUG_PLACEMENT,
"Putting window %s on same workspace as parent %s\n",
window->desc, window->transient_for->desc);
if (window->transient_for->on_all_workspaces_requested)
{
window->on_all_workspaces_requested = TRUE;
window->on_all_workspaces = TRUE;
}
/* this will implicitly add to the appropriate MRU lists
*/
meta_workspace_add_window (window->transient_for->workspace, window);
}
}
if (window->workspace == NULL)
{
meta_topic (META_DEBUG_PLACEMENT,
"Putting window %s on active workspace\n",
window->desc);
space = window->screen->active_workspace;
meta_workspace_add_window (space, window);
}
/* for the various on_all_workspaces = TRUE possible above */
meta_window_current_workspace_changed (window);
meta_window_update_struts (window);
}
g_signal_emit_by_name (window->screen, "window-entered-monitor", window->monitor->number, window);
/* Must add window to stack before doing move/resize, since the
* window might have fullscreen size (i.e. should have been
* fullscreen'd; acrobat is one such braindead case; it withdraws
* and remaps its window whenever trying to become fullscreen...)
* and thus constraints may try to auto-fullscreen it which also
* means restacking it.
*/
if (!window->override_redirect)
meta_stack_add (window->screen->stack,
window);
else
window->layer = META_LAYER_OVERRIDE_REDIRECT; /* otherwise set by MetaStack */
if (!window->override_redirect)
{
/* FIXME we have a tendency to set this then immediately
* change it again.
*/
set_wm_state (window);
set_net_wm_state (window);
}
meta_compositor_add_window (screen->display->compositor, window);
window->known_to_compositor = TRUE;
/* Sync stack changes */
meta_stack_thaw (window->screen->stack);
/* Usually the we'll have queued a stack sync anyways, because we've
* added a new frame window or restacked. But if an undecorated
* window is mapped, already stacked in the right place, then we
* might need to do this explicitly.
*/
meta_stack_tracker_queue_sync_stack (window->screen->stack_tracker);
/* disable show desktop mode unless we're a desktop component */
maybe_leave_show_desktop_mode (window);
sync_client_window_mapped (window);
meta_window_queue (window, META_QUEUE_CALC_SHOWING);
/* See bug 303284; a transient of the given window can already exist, in which
* case we think it should probably be shown.
*/
meta_window_foreach_transient (window,
queue_calc_showing_func,
NULL);
/* See bug 334899; the window may have minimized ancestors
* which need to be shown.
*
* However, we shouldn't unminimize windows here when opening
* a new display because that breaks passing _NET_WM_STATE_HIDDEN
* between window managers when replacing them; see bug 358042.
*
* And we shouldn't unminimize windows if they were initially
* iconic.
*/
if (!window->override_redirect &&
!display->display_opening &&
!window->initially_iconic)
unminimize_window_and_all_transient_parents (window);
window->constructing = FALSE;
meta_display_notify_window_created (display, window);
if (window->wm_state_demands_attention)
g_signal_emit_by_name (window->display, "window-demands-attention", window);
return window;
}
static gboolean
detach_foreach_func (MetaWindow *window,
void *data)
{
GList **children = data;
MetaWindow *parent;
if (window->attached)
{
/* Only return the immediate children of the window being unmanaged */
parent = meta_window_get_transient_for (window);
if (parent->unmanaging)
*children = g_list_prepend (*children, window);
}
return TRUE;
}
void
meta_window_unmanage (MetaWindow *window,
guint32 timestamp)
{
GList *tmp;
meta_verbose ("Unmanaging %s\n", window->desc);
/* This needs to happen for both Wayland and XWayland clients,
* so it can't be in MetaWindowWayland. */
if (window->surface)
meta_wayland_surface_set_window (window->surface, NULL);
if (window->visible_to_compositor)
{
window->visible_to_compositor = FALSE;
meta_compositor_hide_window (window->display->compositor, window,
META_COMP_EFFECT_DESTROY);
}
meta_compositor_remove_window (window->display->compositor, window);
window->known_to_compositor = FALSE;
if (destroying_windows_disallowed > 0)
meta_bug ("Tried to destroy window %s while destruction was not allowed\n",
window->desc);
window->unmanaging = TRUE;
if (meta_prefs_get_attach_modal_dialogs ())
{
GList *attached_children = NULL, *iter;
/* Detach any attached dialogs by unmapping and letting them
* be remapped after @window is destroyed.
*/
meta_window_foreach_transient (window,
detach_foreach_func,
&attached_children);
for (iter = attached_children; iter; iter = iter->next)
meta_window_unmanage (iter->data, timestamp);
g_list_free (attached_children);
}
if (window->fullscreen)
{
MetaGroup *group;
/* If the window is fullscreen, it may be forcing
* other windows in its group to a higher layer
*/
meta_stack_freeze (window->screen->stack);
group = meta_window_get_group (window);
if (group)
meta_group_update_layers (group);
meta_stack_thaw (window->screen->stack);
}
meta_window_shutdown_group (window); /* safe to do this early as
* group.c won't re-add to the
* group if window->unmanaging
*/
/* If we have the focus, focus some other window.
* This is done first, so that if the unmap causes
* an EnterNotify the EnterNotify will have final say
* on what gets focused, maintaining sloppy focus
* invariants.
*/
if (meta_window_appears_focused (window))
meta_window_propagate_focus_appearance (window, FALSE);
if (window->has_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing default window since we're unmanaging %s\n",
window->desc);
meta_workspace_focus_default_window (window->screen->active_workspace,
window,
timestamp);
}
else
{
meta_topic (META_DEBUG_FOCUS,
"Unmanaging window %s which doesn't currently have focus\n",
window->desc);
}
g_assert (window->display->focus_window != window);
if (window->struts)
{
meta_free_gslist_and_elements (window->struts);
window->struts = NULL;
meta_topic (META_DEBUG_WORKAREA,
"Unmanaging window %s which has struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
if (window->sync_request_timeout_id)
{
g_source_remove (window->sync_request_timeout_id);
window->sync_request_timeout_id = 0;
}
if (window->display->grab_window == window)
meta_display_end_grab_op (window->display, timestamp);
g_assert (window->display->grab_window != window);
if (window->maximized_horizontally || window->maximized_vertically)
unmaximize_window_before_freeing (window);
meta_window_unqueue (window, META_QUEUE_CALC_SHOWING |
META_QUEUE_MOVE_RESIZE |
META_QUEUE_UPDATE_ICON);
meta_window_free_delete_dialog (window);
if (window->workspace)
meta_workspace_remove_window (window->workspace, window);
g_assert (window->workspace == NULL);
#ifndef G_DISABLE_CHECKS
tmp = window->screen->workspaces;
while (tmp != NULL)
{
MetaWorkspace *workspace = tmp->data;
g_assert (g_list_find (workspace->windows, window) == NULL);
g_assert (g_list_find (workspace->mru_list, window) == NULL);
tmp = tmp->next;
}
#endif
if (window->monitor)
{
g_signal_emit_by_name (window->screen, "window-left-monitor",
window->monitor->number, window);
window->monitor = NULL;
}
if (!window->override_redirect)
meta_stack_remove (window->screen->stack, window);
/* If an undecorated window is being withdrawn, that will change the
* stack as presented to the compositing manager, without actually
* changing the stacking order of X windows.
*/
meta_stack_tracker_queue_sync_stack (window->screen->stack_tracker);
if (window->display->autoraise_window == window)
meta_display_remove_autoraise_callback (window->display);
META_WINDOW_GET_CLASS (window)->unmanage (window);
if (window->frame)
meta_window_destroy_frame (window);
meta_prefs_remove_listener (prefs_changed_callback, window);
meta_screen_queue_check_fullscreen (window->screen);
g_signal_emit (window, window_signals[UNMANAGED], 0);
g_object_unref (window);
}
static gboolean
should_be_on_all_workspaces (MetaWindow *window)
{
return
window->on_all_workspaces_requested ||
window->override_redirect ||
(meta_prefs_get_workspaces_only_on_primary () &&
!meta_window_is_on_primary_monitor (window));
}
void
meta_window_update_on_all_workspaces (MetaWindow *window)
{
gboolean old_value;
old_value = window->on_all_workspaces;
window->on_all_workspaces = should_be_on_all_workspaces (window);
if (window->on_all_workspaces != old_value &&
!window->override_redirect)
{
if (window->on_all_workspaces)
{
GList* tmp = window->screen->workspaces;
/* Add to all MRU lists */
while (tmp)
{
MetaWorkspace* work = (MetaWorkspace*) tmp->data;
if (!g_list_find (work->mru_list, window))
work->mru_list = g_list_prepend (work->mru_list, window);
tmp = tmp->next;
}
}
else
{
GList* tmp = window->screen->workspaces;
/* Remove from MRU lists except the window's workspace */
while (tmp)
{
MetaWorkspace* work = (MetaWorkspace*) tmp->data;
if (work != window->workspace)
work->mru_list = g_list_remove (work->mru_list, window);
tmp = tmp->next;
}
}
meta_window_current_workspace_changed (window);
}
}
static void
set_wm_state (MetaWindow *window)
{
if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
meta_window_x11_set_wm_state (window);
}
static void
set_net_wm_state (MetaWindow *window)
{
if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
meta_window_x11_set_net_wm_state (window);
}
static void
set_allowed_actions_hint (MetaWindow *window)
{
if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
meta_window_x11_set_allowed_actions_hint (window);
}
/**
* meta_window_located_on_workspace:
* @window: a #MetaWindow
* @workspace: a #MetaWorkspace
*
* Returns: whether @window is displayed on @workspace, or whether it
* will be displayed on all workspaces.
*/
gboolean
meta_window_located_on_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
return (window->on_all_workspaces && window->screen == workspace->screen) ||
(window->workspace == workspace);
}
static gboolean
is_minimized_foreach (MetaWindow *window,
void *data)
{
gboolean *result = data;
*result = window->minimized;
if (*result)
return FALSE; /* stop as soon as we find one */
else
return TRUE;
}
static gboolean
ancestor_is_minimized (MetaWindow *window)
{
gboolean is_minimized;
is_minimized = FALSE;
meta_window_foreach_ancestor (window, is_minimized_foreach, &is_minimized);
return is_minimized;
}
/**
* meta_window_showing_on_its_workspace:
* @window: A #MetaWindow
*
* Returns: %TRUE if window would be visible, if its workspace was current
*/
gboolean
meta_window_showing_on_its_workspace (MetaWindow *window)
{
gboolean showing;
gboolean is_desktop_or_dock;
MetaWorkspace* workspace_of_window;
showing = TRUE;
/* 1. See if we're minimized */
if (window->minimized)
showing = FALSE;
/* 2. See if we're in "show desktop" mode */
is_desktop_or_dock = FALSE;
is_desktop_or_dock_foreach (window,
&is_desktop_or_dock);
meta_window_foreach_ancestor (window, is_desktop_or_dock_foreach,
&is_desktop_or_dock);
if (window->on_all_workspaces)
workspace_of_window = window->screen->active_workspace;
else if (window->workspace)
workspace_of_window = window->workspace;
else /* This only seems to be needed for startup */
workspace_of_window = NULL;
if (showing &&
workspace_of_window && workspace_of_window->showing_desktop &&
!is_desktop_or_dock)
{
meta_verbose ("We're showing the desktop on the workspace(s) that window %s is on\n",
window->desc);
showing = FALSE;
}
/* 3. See if an ancestor is minimized (note that
* ancestor's "mapped" field may not be up to date
* since it's being computed in this same idle queue)
*/
if (showing)
{
if (ancestor_is_minimized (window))
showing = FALSE;
}
return showing;
}
gboolean
meta_window_should_be_showing (MetaWindow *window)
{
gboolean on_workspace;
if (!window->surface_mapped)
return FALSE;
meta_verbose ("Should be showing for window %s\n", window->desc);
/* See if we're on the workspace */
on_workspace = meta_window_located_on_workspace (window,
window->screen->active_workspace);
if (!on_workspace)
meta_verbose ("Window %s is not on workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
else
meta_verbose ("Window %s is on the active workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
if (window->on_all_workspaces)
meta_verbose ("Window %s is on all workspaces\n", window->desc);
return on_workspace && meta_window_showing_on_its_workspace (window);
}
static void
implement_showing (MetaWindow *window,
gboolean showing)
{
/* Actually show/hide the window */
meta_verbose ("Implement showing = %d for window %s\n",
showing, window->desc);
sync_client_window_mapped (window);
if (!showing)
{
/* When we manage a new window, we normally delay placing it
* until it is is first shown, but if we're previewing hidden
* windows we might want to know where they are on the screen,
* so we should place the window even if we're hiding it rather
* than showing it.
*/
if (!window->placed)
meta_window_force_placement (window);
meta_window_hide (window);
}
else
meta_window_show (window);
}
void
meta_window_calc_showing (MetaWindow *window)
{
implement_showing (window, meta_window_should_be_showing (window));
}
static guint queue_later[NUMBER_OF_QUEUES] = {0, 0, 0};
static GSList *queue_pending[NUMBER_OF_QUEUES] = {NULL, NULL, NULL};
static int
stackcmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
if (aw->screen != bw->screen)
return 0; /* don't care how they sort with respect to each other */
else
return meta_stack_windows_cmp (aw->screen->stack,
aw, bw);
}
static gboolean
idle_calc_showing (gpointer data)
{
GSList *tmp;
GSList *copy;
GSList *should_show;
GSList *should_hide;
GSList *unplaced;
GSList *displays;
guint queue_index = GPOINTER_TO_INT (data);
g_return_val_if_fail (queue_pending[queue_index] != NULL, FALSE);
meta_topic (META_DEBUG_WINDOW_STATE,
"Clearing the calc_showing queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue calc_showings.
*/
copy = g_slist_copy (queue_pending[queue_index]);
g_slist_free (queue_pending[queue_index]);
queue_pending[queue_index] = NULL;
queue_later[queue_index] = 0;
destroying_windows_disallowed += 1;
/* We map windows from top to bottom and unmap from bottom to
* top, to avoid extra expose events. The exception is
* for unplaced windows, which have to be mapped from bottom to
* top so placement works.
*/
should_show = NULL;
should_hide = NULL;
unplaced = NULL;
displays = NULL;
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
if (!window->placed)
unplaced = g_slist_prepend (unplaced, window);
else if (meta_window_should_be_showing (window))
should_show = g_slist_prepend (should_show, window);
else
should_hide = g_slist_prepend (should_hide, window);
tmp = tmp->next;
}
/* bottom to top */
unplaced = g_slist_sort (unplaced, stackcmp);
should_hide = g_slist_sort (should_hide, stackcmp);
/* top to bottom */
should_show = g_slist_sort (should_show, stackcmp);
should_show = g_slist_reverse (should_show);
tmp = unplaced;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
meta_window_calc_showing (window);
tmp = tmp->next;
}
tmp = should_show;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
implement_showing (window, TRUE);
tmp = tmp->next;
}
tmp = should_hide;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
implement_showing (window, FALSE);
tmp = tmp->next;
}
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
/* important to set this here for reentrancy -
* if we queue a window again while it's in "copy",
* then queue_calc_showing will just return since
* we are still in the calc_showing queue
*/
window->is_in_queues &= ~META_QUEUE_CALC_SHOWING;
tmp = tmp->next;
}
if (meta_prefs_get_focus_mode () != G_DESKTOP_FOCUS_MODE_CLICK)
{
/* When display->mouse_mode is false, we want to ignore
* EnterNotify events unless they come from mouse motion. To do
* that, we set a sentinel property on the root window if we're
* not in mouse_mode.
*/
tmp = should_show;
while (tmp != NULL)
{
MetaWindow *window = tmp->data;
if (!window->display->mouse_mode)
meta_display_increment_focus_sentinel (window->display);
tmp = tmp->next;
}
}
g_slist_free (copy);
g_slist_free (unplaced);
g_slist_free (should_show);
g_slist_free (should_hide);
g_slist_free (displays);
destroying_windows_disallowed -= 1;
return FALSE;
}
#ifdef WITH_VERBOSE_MODE
static const gchar* meta_window_queue_names[NUMBER_OF_QUEUES] =
{"calc_showing", "move_resize", "update_icon"};
#endif
static void
meta_window_unqueue (MetaWindow *window, guint queuebits)
{
gint queuenum;
for (queuenum=0; queuenum<NUMBER_OF_QUEUES; queuenum++)
{
if ((queuebits & 1<<queuenum) /* they have asked to unqueue */
&&
(window->is_in_queues & 1<<queuenum)) /* it's in the queue */
{
meta_topic (META_DEBUG_WINDOW_STATE,
"Removing %s from the %s queue\n",
window->desc,
meta_window_queue_names[queuenum]);
/* Note that window may not actually be in the queue
* because it may have been in "copy" inside the idle handler
*/
queue_pending[queuenum] = g_slist_remove (queue_pending[queuenum], window);
window->is_in_queues &= ~(1<<queuenum);
/* Okay, so maybe we've used up all the entries in the queue.
* In that case, we should kill the function that deals with
* the queue, because there's nothing left for it to do.
*/
if (queue_pending[queuenum] == NULL && queue_later[queuenum] != 0)
{
meta_later_remove (queue_later[queuenum]);
queue_later[queuenum] = 0;
}
}
}
}
static void
meta_window_flush_calc_showing (MetaWindow *window)
{
if (window->is_in_queues & META_QUEUE_CALC_SHOWING)
{
meta_window_unqueue (window, META_QUEUE_CALC_SHOWING);
meta_window_calc_showing (window);
}
}
void
meta_window_queue (MetaWindow *window, guint queuebits)
{
guint queuenum;
/* Easier to debug by checking here rather than in the idle */
g_return_if_fail (!window->override_redirect || (queuebits & META_QUEUE_MOVE_RESIZE) == 0);
for (queuenum=0; queuenum<NUMBER_OF_QUEUES; queuenum++)
{
if (queuebits & 1<<queuenum)
{
/* Data which varies between queues.
* Yes, these do look a lot like associative arrays:
* I seem to be turning into a Perl programmer.
*/
const MetaLaterType window_queue_later_when[NUMBER_OF_QUEUES] =
{
META_LATER_CALC_SHOWING, /* CALC_SHOWING */
META_LATER_RESIZE, /* MOVE_RESIZE */
META_LATER_BEFORE_REDRAW /* UPDATE_ICON */
};
const GSourceFunc window_queue_later_handler[NUMBER_OF_QUEUES] =
{
idle_calc_showing,
idle_move_resize,
idle_update_icon,
};
/* If we're about to drop the window, there's no point in putting
* it on a queue.
*/
if (window->unmanaging)
break;
/* If the window already claims to be in that queue, there's no
* point putting it in the queue.
*/
if (window->is_in_queues & 1<<queuenum)
break;
meta_topic (META_DEBUG_WINDOW_STATE,
"Putting %s in the %s queue\n",
window->desc,
meta_window_queue_names[queuenum]);
/* So, mark it as being in this queue. */
window->is_in_queues |= 1<<queuenum;
/* There's not a lot of point putting things into a queue if
* nobody's on the other end pulling them out. Therefore,
* let's check to see whether an idle handler exists to do
* that. If not, we'll create one.
*/
if (queue_later[queuenum] == 0)
queue_later[queuenum] = meta_later_add
(
window_queue_later_when[queuenum],
window_queue_later_handler[queuenum],
GUINT_TO_POINTER(queuenum),
NULL
);
/* And now we actually put it on the queue. */
queue_pending[queuenum] = g_slist_prepend (queue_pending[queuenum],
window);
}
}
}
static gboolean
intervening_user_event_occurred (MetaWindow *window)
{
guint32 compare;
MetaWindow *focus_window;
focus_window = window->display->focus_window;
meta_topic (META_DEBUG_STARTUP,
"COMPARISON:\n"
" net_wm_user_time_set : %d\n"
" net_wm_user_time : %u\n"
" initial_timestamp_set: %d\n"
" initial_timestamp : %u\n",
window->net_wm_user_time_set,
window->net_wm_user_time,
window->initial_timestamp_set,
window->initial_timestamp);
if (focus_window != NULL)
{
meta_topic (META_DEBUG_STARTUP,
"COMPARISON (continued):\n"
" focus_window : %s\n"
" fw->net_wm_user_time_set : %d\n"
" fw->net_wm_user_time : %u\n",
focus_window->desc,
focus_window->net_wm_user_time_set,
focus_window->net_wm_user_time);
}
/* We expect the most common case for not focusing a new window
* to be when a hint to not focus it has been set. Since we can
* deal with that case rapidly, we use special case it--this is
* merely a preliminary optimization. :)
*/
if ( ((window->net_wm_user_time_set == TRUE) &&
(window->net_wm_user_time == 0))
||
((window->initial_timestamp_set == TRUE) &&
(window->initial_timestamp == 0)))
{
meta_topic (META_DEBUG_STARTUP,
"window %s explicitly requested no focus\n",
window->desc);
return TRUE;
}
if (!(window->net_wm_user_time_set) && !(window->initial_timestamp_set))
{
meta_topic (META_DEBUG_STARTUP,
"no information about window %s found\n",
window->desc);
return FALSE;
}
if (focus_window != NULL &&
!focus_window->net_wm_user_time_set)
{
meta_topic (META_DEBUG_STARTUP,
"focus window, %s, doesn't have a user time set yet!\n",
window->desc);
return FALSE;
}
/* To determine the "launch" time of an application,
* startup-notification can set the TIMESTAMP and the
* application (usually via its toolkit such as gtk or qt) can
* set the _NET_WM_USER_TIME. If both are set, we need to be
* using the newer of the two values.
*
* See http://bugzilla.gnome.org/show_bug.cgi?id=573922
*/
compare = 0;
if (window->net_wm_user_time_set &&
window->initial_timestamp_set)
compare =
XSERVER_TIME_IS_BEFORE (window->net_wm_user_time,
window->initial_timestamp) ?
window->initial_timestamp : window->net_wm_user_time;
else if (window->net_wm_user_time_set)
compare = window->net_wm_user_time;
else if (window->initial_timestamp_set)
compare = window->initial_timestamp;
if ((focus_window != NULL) &&
XSERVER_TIME_IS_BEFORE (compare, focus_window->net_wm_user_time))
{
meta_topic (META_DEBUG_STARTUP,
"window %s focus prevented by other activity; %u < %u\n",
window->desc,
compare,
focus_window->net_wm_user_time);
return TRUE;
}
else
{
meta_topic (META_DEBUG_STARTUP,
"new window %s with no intervening events\n",
window->desc);
return FALSE;
}
}
/* This function is an ugly hack. It's experimental in nature and ought to be
* replaced by a real hint from the app to the WM if we decide the experimental
* behavior is worthwhile. The basic idea is to get more feedback about how
* usage scenarios of "strict" focus users and what they expect. See #326159.
*/
static gboolean
window_is_terminal (MetaWindow *window)
{
if (window == NULL || window->res_class == NULL)
return FALSE;
/*
* Compare res_class, which is not user-settable, and thus theoretically
* a more-reliable indication of term-ness.
*/
/* gnome-terminal -- if you couldn't guess */
if (strcmp (window->res_class, "Gnome-terminal") == 0)
return TRUE;
/* xterm, rxvt, aterm */
else if (strcmp (window->res_class, "XTerm") == 0)
return TRUE;
/* konsole, KDE's terminal program */
else if (strcmp (window->res_class, "Konsole") == 0)
return TRUE;
/* rxvt-unicode */
else if (strcmp (window->res_class, "URxvt") == 0)
return TRUE;
/* eterm */
else if (strcmp (window->res_class, "Eterm") == 0)
return TRUE;
/* KTerm -- some terminal not KDE based; so not like Konsole */
else if (strcmp (window->res_class, "KTerm") == 0)
return TRUE;
/* Multi-gnome-terminal */
else if (strcmp (window->res_class, "Multi-gnome-terminal") == 0)
return TRUE;
/* mlterm ("multi lingual terminal emulator on X") */
else if (strcmp (window->res_class, "mlterm") == 0)
return TRUE;
/* Terminal -- XFCE Terminal */
else if (strcmp (window->res_class, "Terminal") == 0)
return TRUE;
return FALSE;
}
/* This function determines what state the window should have assuming that it
* and the focus_window have no relation
*/
static void
window_state_on_map (MetaWindow *window,
gboolean *takes_focus,
gboolean *places_on_top)
{
gboolean intervening_events;
intervening_events = intervening_user_event_occurred (window);
*takes_focus = !intervening_events;
*places_on_top = *takes_focus;
/* don't initially focus windows that are intended to not accept
* focus
*/
if (!(window->input || window->take_focus))
{
*takes_focus = FALSE;
return;
}
/* Terminal usage may be different; some users intend to launch
* many apps in quick succession or to just view things in the new
* window while still interacting with the terminal. In that case,
* apps launched from the terminal should not take focus. This
* isn't quite the same as not allowing focus to transfer from
* terminals due to new window map, but the latter is a much easier
* approximation to enforce so we do that.
*/
if (*takes_focus &&
meta_prefs_get_focus_new_windows () == G_DESKTOP_FOCUS_NEW_WINDOWS_STRICT &&
!window->display->allow_terminal_deactivation &&
window_is_terminal (window->display->focus_window) &&
!meta_window_is_ancestor_of_transient (window->display->focus_window,
window))
{
meta_topic (META_DEBUG_FOCUS,
"focus_window is terminal; not focusing new window.\n");
*takes_focus = FALSE;
*places_on_top = FALSE;
}
switch (window->type)
{
case META_WINDOW_UTILITY:
case META_WINDOW_TOOLBAR:
*takes_focus = FALSE;
*places_on_top = FALSE;
break;
case META_WINDOW_DOCK:
case META_WINDOW_DESKTOP:
case META_WINDOW_SPLASHSCREEN:
case META_WINDOW_MENU:
/* override redirect types: */
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
/* don't focus any of these; places_on_top may be irrelevant for some of
* these (e.g. dock)--but you never know--the focus window might also be
* of the same type in some weird situation...
*/
*takes_focus = FALSE;
break;
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
/* The default is correct for these */
break;
}
}
static gboolean
windows_overlap (const MetaWindow *w1, const MetaWindow *w2)
{
MetaRectangle w1rect, w2rect;
meta_window_get_frame_rect (w1, &w1rect);
meta_window_get_frame_rect (w2, &w2rect);
return meta_rectangle_overlap (&w1rect, &w2rect);
}
/* Returns whether a new window would be covered by any
* existing window on the same workspace that is set
* to be "above" ("always on top"). A window that is not
* set "above" would be underneath the new window anyway.
*
* We take "covered" to mean even partially covered, but
* some people might prefer entirely covered. I think it
* is more useful to behave this way if any part of the
* window is covered, because a partial coverage could be
* (say) ninety per cent and almost indistinguishable from total.
*/
static gboolean
window_would_be_covered (const MetaWindow *newbie)
{
MetaWorkspace *workspace = newbie->workspace;
GList *tmp, *windows;
windows = meta_workspace_list_windows (workspace);
tmp = windows;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
if (w->wm_state_above && w != newbie)
{
/* We have found a window that is "above". Perhaps it overlaps. */
if (windows_overlap (w, newbie))
{
g_list_free (windows); /* clean up... */
return TRUE; /* yes, it does */
}
}
tmp = tmp->next;
}
g_list_free (windows);
return FALSE; /* none found */
}
static void
meta_window_force_placement (MetaWindow *window)
{
if (window->placed)
return;
/* We have to recalc the placement here since other windows may
* have been mapped/placed since we last did constrain_position
*/
/* calc_placement is an efficiency hack to avoid
* multiple placement calculations before we finally
* show the window.
*/
window->calc_placement = TRUE;
meta_window_move_resize_now (window);
window->calc_placement = FALSE;
/* don't ever do the initial position constraint thing again.
* This is toggled here so that initially-iconified windows
* still get placed when they are ultimately shown.
*/
window->placed = TRUE;
/* Don't want to accidentally reuse the fact that we had been denied
* focus in any future constraints unless we're denied focus again.
*/
window->denied_focus_and_not_transient = FALSE;
}
static void
meta_window_show (MetaWindow *window)
{
gboolean did_show;
gboolean takes_focus_on_map;
gboolean place_on_top_on_map;
gboolean needs_stacking_adjustment;
MetaWindow *focus_window;
gboolean notify_demands_attention = FALSE;
meta_topic (META_DEBUG_WINDOW_STATE,
"Showing window %s, shaded: %d iconic: %d placed: %d\n",
window->desc, window->shaded, window->iconic, window->placed);
focus_window = window->display->focus_window; /* May be NULL! */
did_show = FALSE;
window_state_on_map (window, &takes_focus_on_map, &place_on_top_on_map);
needs_stacking_adjustment = FALSE;
meta_topic (META_DEBUG_WINDOW_STATE,
"Window %s %s focus on map, and %s place on top on map.\n",
window->desc,
takes_focus_on_map ? "does" : "does not",
place_on_top_on_map ? "does" : "does not");
/* Now, in some rare cases we should *not* put a new window on top.
* These cases include certain types of windows showing for the first
* time, and any window which would be covered because of another window
* being set "above" ("always on top").
*
* FIXME: Although "place_on_top_on_map" and "takes_focus_on_map" are
* generally based on the window type, there is a special case when the
* focus window is a terminal for them both to be false; this should
* probably rather be a term in the "if" condition below.
*/
if ( focus_window != NULL && window->showing_for_first_time &&
( (!place_on_top_on_map && !takes_focus_on_map) ||
window_would_be_covered (window) )
) {
if (meta_window_is_ancestor_of_transient (focus_window, window))
{
guint32 timestamp;
timestamp = meta_display_get_current_time_roundtrip (window->display);
/* This happens for error dialogs or alerts; these need to remain on
* top, but it would be confusing to have its ancestor remain
* focused.
*/
meta_topic (META_DEBUG_STARTUP,
"The focus window %s is an ancestor of the newly mapped "
"window %s which isn't being focused. Unfocusing the "
"ancestor.\n",
focus_window->desc, window->desc);
meta_display_focus_the_no_focus_window (window->display,
window->screen,
timestamp);
}
else
{
needs_stacking_adjustment = TRUE;
if (!window->placed)
window->denied_focus_and_not_transient = TRUE;
}
}
if (!window->placed)
{
if (meta_prefs_get_auto_maximize() && window->showing_for_first_time && window->has_maximize_func)
{
MetaRectangle work_area;
meta_window_get_work_area_for_monitor (window, window->monitor->number, &work_area);
/* Automaximize windows that map with a size > MAX_UNMAXIMIZED_WINDOW_AREA of the work area */
if (window->rect.width * window->rect.height > work_area.width * work_area.height * MAX_UNMAXIMIZED_WINDOW_AREA)
{
window->maximize_horizontally_after_placement = TRUE;
window->maximize_vertically_after_placement = TRUE;
}
}
meta_window_force_placement (window);
}
if (needs_stacking_adjustment)
{
gboolean overlap;
/* This window isn't getting focus on map. We may need to do some
* special handing with it in regards to
* - the stacking of the window
* - the MRU position of the window
* - the demands attention setting of the window
*
* Firstly, set the flag so we don't give the window focus anyway
* and confuse people.
*/
takes_focus_on_map = FALSE;
overlap = windows_overlap (window, focus_window);
/* We want alt tab to go to the denied-focus window */
ensure_mru_position_after (window, focus_window);
/* We don't want the denied-focus window to obscure the focus
* window, and if we're in both click-to-focus mode and
* raise-on-click mode then we want to maintain the invariant
* that MRU order == stacking order. The need for this if
* comes from the fact that in sloppy/mouse focus the focus
* window may not overlap other windows and also can be
* considered "below" them; this combination means that
* placing the denied-focus window "below" the focus window
* in the stack when it doesn't overlap it confusingly places
* that new window below a lot of other windows.
*/
if (overlap ||
(meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK &&
meta_prefs_get_raise_on_click ()))
meta_window_stack_just_below (window, focus_window);
/* If the window will be obscured by the focus window, then the
* user might not notice the window appearing so set the
* demands attention hint.
*
* We set the hint ourselves rather than calling
* meta_window_set_demands_attention() because that would cause
* a recalculation of overlap, and a call to set_net_wm_state()
* which we are going to call ourselves here a few lines down.
*/
if (overlap)
{
if (!window->wm_state_demands_attention)
{
window->wm_state_demands_attention = TRUE;
notify_demands_attention = TRUE;
}
}
}
if (window->hidden)
{
meta_stack_freeze (window->screen->stack);
window->hidden = FALSE;
meta_stack_thaw (window->screen->stack);
did_show = TRUE;
}
if (window->iconic)
{
window->iconic = FALSE;
set_wm_state (window);
}
if (!window->visible_to_compositor)
{
MetaCompEffect effect = META_COMP_EFFECT_NONE;
window->visible_to_compositor = TRUE;
switch (window->pending_compositor_effect)
{
case META_COMP_EFFECT_CREATE:
case META_COMP_EFFECT_UNMINIMIZE:
effect = window->pending_compositor_effect;
break;
case META_COMP_EFFECT_NONE:
case META_COMP_EFFECT_DESTROY:
case META_COMP_EFFECT_MINIMIZE:
break;
}
meta_compositor_show_window (window->display->compositor,
window, effect);
window->pending_compositor_effect = META_COMP_EFFECT_NONE;
}
/* We don't want to worry about all cases from inside
* implement_showing(); we only want to worry about focus if this
* window has not been shown before.
*/
if (window->showing_for_first_time)
{
window->showing_for_first_time = FALSE;
if (takes_focus_on_map)
{
guint32 timestamp;
timestamp = meta_display_get_current_time_roundtrip (window->display);
meta_window_focus (window, timestamp);
}
else
{
/* Prevent EnterNotify events in sloppy/mouse focus from
* erroneously focusing the window that had been denied
* focus. FIXME: This introduces a race; I have a couple
* ideas for a better way to accomplish the same thing, but
* they're more involved so do it this way for now.
*/
meta_display_increment_focus_sentinel (window->display);
}
}
set_net_wm_state (window);
if (did_show && window->struts)
{
meta_topic (META_DEBUG_WORKAREA,
"Mapped window %s with struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
if (did_show)
meta_screen_queue_check_fullscreen (window->screen);
if (did_show && window->client_type == META_WINDOW_CLIENT_TYPE_WAYLAND)
meta_wayland_compositor_repick (meta_wayland_compositor_get_default ());
/*
* Now that we have shown the window, we no longer want to consider the
* initial timestamp in any subsequent deliberations whether to focus this
* window or not, so clear the flag.
*
* See http://bugzilla.gnome.org/show_bug.cgi?id=573922
*/
window->initial_timestamp_set = FALSE;
if (notify_demands_attention)
{
g_object_notify (G_OBJECT (window), "demands-attention");
g_signal_emit_by_name (window->display, "window-demands-attention",
window);
}
}
static void
meta_window_hide (MetaWindow *window)
{
gboolean did_hide;
meta_topic (META_DEBUG_WINDOW_STATE,
"Hiding window %s\n", window->desc);
if (window->visible_to_compositor)
{
MetaCompEffect effect = META_COMP_EFFECT_NONE;
window->visible_to_compositor = FALSE;
switch (window->pending_compositor_effect)
{
case META_COMP_EFFECT_CREATE:
case META_COMP_EFFECT_UNMINIMIZE:
case META_COMP_EFFECT_NONE:
break;
case META_COMP_EFFECT_DESTROY:
case META_COMP_EFFECT_MINIMIZE:
effect = window->pending_compositor_effect;
break;
}
meta_compositor_hide_window (window->display->compositor, window, effect);
window->pending_compositor_effect = META_COMP_EFFECT_NONE;
}
did_hide = FALSE;
if (!window->hidden)
{
meta_stack_freeze (window->screen->stack);
window->hidden = TRUE;
meta_stack_thaw (window->screen->stack);
did_hide = TRUE;
}
if (!window->iconic)
{
window->iconic = TRUE;
set_wm_state (window);
}
set_net_wm_state (window);
if (did_hide && window->struts)
{
meta_topic (META_DEBUG_WORKAREA,
"Unmapped window %s with struts, so invalidating work areas\n",
window->desc);
invalidate_work_areas (window);
}
if (window->has_focus)
{
MetaWindow *not_this_one = NULL;
MetaWorkspace *my_workspace = meta_window_get_workspace (window);
guint32 timestamp = meta_display_get_current_time_roundtrip (window->display);
/*
* If this window is modal, passing the not_this_one window to
* _focus_default_window() makes the focus to be given to this window's
* ancestor. This can only be the case if the window is on the currently
* active workspace; when it is not, we need to pass in NULL, so as to
* focus the default window for the active workspace (this scenario
* arises when we are switching workspaces).
* We also pass in NULL if we are in the process of hiding all non-desktop
* windows to avoid unexpected changes to the stacking order.
*/
if (my_workspace == window->screen->active_workspace &&
!my_workspace->showing_desktop)
not_this_one = window;
meta_workspace_focus_default_window (window->screen->active_workspace,
not_this_one,
timestamp);
}
if (did_hide)
meta_screen_queue_check_fullscreen (window->screen);
}
static gboolean
queue_calc_showing_func (MetaWindow *window,
void *data)
{
meta_window_queue(window, META_QUEUE_CALC_SHOWING);
return TRUE;
}
void
meta_window_minimize (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
if (!window->minimized)
{
window->minimized = TRUE;
window->pending_compositor_effect = META_COMP_EFFECT_MINIMIZE;
meta_window_queue(window, META_QUEUE_CALC_SHOWING);
meta_window_foreach_transient (window,
queue_calc_showing_func,
NULL);
if (window->has_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing default window due to minimization of focus window %s\n",
window->desc);
}
else
{
meta_topic (META_DEBUG_FOCUS,
"Minimizing window %s which doesn't have the focus\n",
window->desc);
}
g_object_notify (G_OBJECT (window), "minimized");
}
}
void
meta_window_unminimize (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
if (window->minimized)
{
window->minimized = FALSE;
window->pending_compositor_effect = META_COMP_EFFECT_UNMINIMIZE;
meta_window_queue(window, META_QUEUE_CALC_SHOWING);
meta_window_foreach_transient (window,
queue_calc_showing_func,
NULL);
g_object_notify (G_OBJECT (window), "minimized");
}
}
static void
ensure_size_hints_satisfied (MetaRectangle *rect,
const XSizeHints *size_hints)
{
int minw, minh, maxw, maxh; /* min/max width/height */
int basew, baseh, winc, hinc; /* base width/height, width/height increment */
int extra_width, extra_height;
minw = size_hints->min_width; minh = size_hints->min_height;
maxw = size_hints->max_width; maxh = size_hints->max_height;
basew = size_hints->base_width; baseh = size_hints->base_height;
winc = size_hints->width_inc; hinc = size_hints->height_inc;
/* First, enforce min/max size constraints */
rect->width = CLAMP (rect->width, minw, maxw);
rect->height = CLAMP (rect->height, minh, maxh);
/* Now, verify size increment constraints are satisfied, or make them be */
extra_width = (rect->width - basew) % winc;
extra_height = (rect->height - baseh) % hinc;
rect->width -= extra_width;
rect->height -= extra_height;
/* Adjusting width/height down, as done above, may violate minimum size
* constraints, so one last fix.
*/
if (rect->width < minw)
rect->width += ((minw - rect->width)/winc + 1)*winc;
if (rect->height < minh)
rect->height += ((minh - rect->height)/hinc + 1)*hinc;
}
static void
meta_window_save_rect (MetaWindow *window)
{
if (!(META_WINDOW_MAXIMIZED (window) || META_WINDOW_TILED_SIDE_BY_SIDE (window) || window->fullscreen))
{
/* save size/pos as appropriate args for move_resize */
if (!window->maximized_horizontally)
{
window->saved_rect.x = window->rect.x;
window->saved_rect.width = window->rect.width;
if (window->frame)
window->saved_rect.x += window->frame->rect.x;
}
if (!window->maximized_vertically)
{
window->saved_rect.y = window->rect.y;
window->saved_rect.height = window->rect.height;
if (window->frame)
window->saved_rect.y += window->frame->rect.y;
}
}
}
void
meta_window_maximize_internal (MetaWindow *window,
MetaMaximizeFlags directions,
MetaRectangle *saved_rect)
{
/* At least one of the two directions ought to be set */
gboolean maximize_horizontally, maximize_vertically;
maximize_horizontally = directions & META_MAXIMIZE_HORIZONTAL;
maximize_vertically = directions & META_MAXIMIZE_VERTICAL;
g_assert (maximize_horizontally || maximize_vertically);
meta_topic (META_DEBUG_WINDOW_OPS,
"Maximizing %s%s\n",
window->desc,
maximize_horizontally && maximize_vertically ? "" :
maximize_horizontally ? " horizontally" :
maximize_vertically ? " vertically" : "BUGGGGG");
if (saved_rect != NULL)
window->saved_rect = *saved_rect;
else
meta_window_save_rect (window);
if (maximize_horizontally && maximize_vertically)
window->saved_maximize = TRUE;
window->maximized_horizontally =
window->maximized_horizontally || maximize_horizontally;
window->maximized_vertically =
window->maximized_vertically || maximize_vertically;
meta_window_recalc_features (window);
set_net_wm_state (window);
g_object_freeze_notify (G_OBJECT (window));
g_object_notify (G_OBJECT (window), "maximized-horizontally");
g_object_notify (G_OBJECT (window), "maximized-vertically");
g_object_thaw_notify (G_OBJECT (window));
}
void
meta_window_maximize (MetaWindow *window,
MetaMaximizeFlags directions)
{
MetaRectangle *saved_rect = NULL;
gboolean maximize_horizontally, maximize_vertically;
MetaRectangle old_rect;
MetaRectangle new_rect;
g_return_if_fail (!window->override_redirect);
/* At least one of the two directions ought to be set */
maximize_horizontally = directions & META_MAXIMIZE_HORIZONTAL;
maximize_vertically = directions & META_MAXIMIZE_VERTICAL;
g_assert (maximize_horizontally || maximize_vertically);
/* Only do something if the window isn't already maximized in the
* given direction(s).
*/
if ((maximize_horizontally && !window->maximized_horizontally) ||
(maximize_vertically && !window->maximized_vertically))
{
if (window->shaded && maximize_vertically)
{
/* Shading sucks anyway; I'm not adding a timestamp argument
* to this function just for this niche usage & corner case.
*/
guint32 timestamp =
meta_display_get_current_time_roundtrip (window->display);
meta_window_unshade (window, timestamp);
}
/* if the window hasn't been placed yet, we'll maximize it then
*/
if (!window->placed)
{
window->maximize_horizontally_after_placement =
window->maximize_horizontally_after_placement ||
maximize_horizontally;
window->maximize_vertically_after_placement =
window->maximize_vertically_after_placement ||
maximize_vertically;
return;
}
if (window->tile_mode != META_TILE_NONE)
{
saved_rect = &window->saved_rect;
window->maximized_vertically = FALSE;
window->tile_mode = META_TILE_NONE;
}
meta_window_maximize_internal (window,
directions,
saved_rect);
meta_window_get_frame_rect (window, &old_rect);
meta_window_move_resize_now (window);
meta_window_get_frame_rect (window, &new_rect);
meta_compositor_maximize_window (window->display->compositor,
window,
&old_rect,
&new_rect);
}
}
/**
* meta_window_get_maximized:
* @window: a #MetaWindow
*
* Gets the current maximization state of the window, as combination
* of the %META_MAXIMIZE_HORIZONTAL and %META_MAXIMIZE_VERTICAL flags;
*
* Return value: current maximization state
*/
MetaMaximizeFlags
meta_window_get_maximized (MetaWindow *window)
{
return ((window->maximized_horizontally ? META_MAXIMIZE_HORIZONTAL : 0) |
(window->maximized_vertically ? META_MAXIMIZE_VERTICAL : 0));
}
/**
* meta_window_is_fullscreen:
* @window: a #MetaWindow
*
* Return value: %TRUE if the window is currently fullscreen
*/
gboolean
meta_window_is_fullscreen (MetaWindow *window)
{
return window->fullscreen;
}
/**
* meta_window_get_all_monitors:
* @window: The #MetaWindow
* @length: (out): gint holding the length, may be %NULL to ignore
*
* Returns: (array length=length) (element-type gint) (transfer container):
* List of the monitor indices the window is on.
*/
gint *
meta_window_get_all_monitors (MetaWindow *window, gsize *length)
{
GArray *monitors;
MetaRectangle window_rect;
int i;
monitors = g_array_new (FALSE, FALSE, sizeof (int));
meta_window_get_frame_rect (window, &window_rect);
for (i = 0; i < window->screen->n_monitor_infos; i++)
{
MetaRectangle *monitor_rect = &window->screen->monitor_infos[i].rect;
if (meta_rectangle_overlap (&window_rect, monitor_rect))
g_array_append_val (monitors, i);
}
if (length)
*length = monitors->len;
i = -1;
g_array_append_val (monitors, i);
return (gint*) g_array_free (monitors, FALSE);
}
/**
* meta_window_is_screen_sized:
* @window: A #MetaWindow
*
* Return value: %TRUE if the window is occupies the
* the whole screen (all monitors).
*/
gboolean
meta_window_is_screen_sized (MetaWindow *window)
{
MetaRectangle window_rect;
int screen_width, screen_height;
meta_screen_get_size (window->screen, &screen_width, &screen_height);
meta_window_get_frame_rect (window, &window_rect);
if (window_rect.x == 0 && window_rect.y == 0 &&
window_rect.width == screen_width && window_rect.height == screen_height)
return TRUE;
return FALSE;
}
/**
* meta_window_is_monitor_sized:
* @window: a #MetaWindow
*
* Return value: %TRUE if the window is occupies an entire monitor or
* the whole screen.
*/
gboolean
meta_window_is_monitor_sized (MetaWindow *window)
{
if (window->fullscreen)
return TRUE;
if (meta_window_is_screen_sized (window))
return TRUE;
if (window->override_redirect)
{
MetaRectangle window_rect, monitor_rect;
meta_window_get_frame_rect (window, &window_rect);
meta_screen_get_monitor_geometry (window->screen, window->monitor->number, &monitor_rect);
if (meta_rectangle_equal (&window_rect, &monitor_rect))
return TRUE;
}
return FALSE;
}
/**
* meta_window_is_on_primary_monitor:
* @window: a #MetaWindow
*
* Return value: %TRUE if the window is on the primary monitor
*/
gboolean
meta_window_is_on_primary_monitor (MetaWindow *window)
{
return window->monitor->is_primary;
}
/**
* meta_window_requested_bypass_compositor:
* @window: a #MetaWindow
*
* Return value: %TRUE if the window requested to bypass the compositor
*/
gboolean
meta_window_requested_bypass_compositor (MetaWindow *window)
{
return window->bypass_compositor == _NET_WM_BYPASS_COMPOSITOR_HINT_ON;
}
/**
* meta_window_requested_dont_bypass_compositor:
* @window: a #MetaWindow
*
* Return value: %TRUE if the window requested to opt out of unredirecting
*/
gboolean
meta_window_requested_dont_bypass_compositor (MetaWindow *window)
{
return window->bypass_compositor == _NET_WM_BYPASS_COMPOSITOR_HINT_OFF;
}
void
meta_window_tile (MetaWindow *window)
{
MetaMaximizeFlags directions;
MetaRectangle old_rect;
MetaRectangle new_rect;
/* Don't do anything if no tiling is requested */
if (window->tile_mode == META_TILE_NONE)
return;
if (window->tile_mode == META_TILE_MAXIMIZED)
directions = META_MAXIMIZE_BOTH;
else
directions = META_MAXIMIZE_VERTICAL;
meta_window_maximize_internal (window, directions, NULL);
meta_screen_update_tile_preview (window->screen, FALSE);
meta_window_get_frame_rect (window, &old_rect);
meta_window_move_resize_now (window);
meta_window_get_frame_rect (window, &new_rect);
meta_compositor_maximize_window (window->display->compositor,
window,
&old_rect,
&new_rect);
if (window->frame)
meta_ui_queue_frame_draw (window->screen->ui,
window->frame->xwindow);
}
static gboolean
meta_window_can_tile_maximized (MetaWindow *window)
{
return window->has_maximize_func;
}
gboolean
meta_window_can_tile_side_by_side (MetaWindow *window)
{
int monitor;
MetaRectangle tile_area;
MetaRectangle client_rect;
if (!meta_window_can_tile_maximized (window))
return FALSE;
monitor = meta_screen_get_current_monitor (window->screen);
meta_window_get_work_area_for_monitor (window, monitor, &tile_area);
/* Do not allow tiling in portrait orientation */
if (tile_area.height > tile_area.width)
return FALSE;
tile_area.width /= 2;
meta_window_frame_rect_to_client_rect (window, &tile_area, &client_rect);
return client_rect.width >= window->size_hints.min_width &&
client_rect.height >= window->size_hints.min_height;
}
static void
unmaximize_window_before_freeing (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Unmaximizing %s just before freeing\n",
window->desc);
window->maximized_horizontally = FALSE;
window->maximized_vertically = FALSE;
if (window->withdrawn) /* See bug #137185 */
{
window->rect = window->saved_rect;
set_net_wm_state (window);
}
else if (window->screen->closing) /* See bug #358042 */
{
/* Do NOT update net_wm_state: this screen is closing,
* it likely will be managed by another window manager
* that will need the current _NET_WM_STATE atoms.
* Moreover, it will need to know the unmaximized geometry,
* therefore move_resize the window to saved_rect here
* before closing it. */
meta_window_move_resize (window,
FALSE,
window->saved_rect.x,
window->saved_rect.y,
window->saved_rect.width,
window->saved_rect.height);
}
}
static void
meta_window_unmaximize_internal (MetaWindow *window,
MetaMaximizeFlags directions,
MetaRectangle *desired_rect,
int gravity)
{
gboolean unmaximize_horizontally, unmaximize_vertically;
MetaRectangle new_rect;
g_return_if_fail (!window->override_redirect);
/* At least one of the two directions ought to be set */
unmaximize_horizontally = directions & META_MAXIMIZE_HORIZONTAL;
unmaximize_vertically = directions & META_MAXIMIZE_VERTICAL;
g_assert (unmaximize_horizontally || unmaximize_vertically);
if (unmaximize_horizontally && unmaximize_vertically)
window->saved_maximize = FALSE;
/* Only do something if the window isn't already maximized in the
* given direction(s).
*/
if ((unmaximize_horizontally && window->maximized_horizontally) ||
(unmaximize_vertically && window->maximized_vertically))
{
MetaRectangle target_rect;
MetaRectangle work_area;
MetaRectangle old_rect;
meta_window_get_work_area_for_monitor (window, window->monitor->number, &work_area);
meta_window_get_frame_rect (window, &old_rect);
meta_topic (META_DEBUG_WINDOW_OPS,
"Unmaximizing %s%s\n",
window->desc,
unmaximize_horizontally && unmaximize_vertically ? "" :
unmaximize_horizontally ? " horizontally" :
unmaximize_vertically ? " vertically" : "BUGGGGG");
window->maximized_horizontally =
window->maximized_horizontally && !unmaximize_horizontally;
window->maximized_vertically =
window->maximized_vertically && !unmaximize_vertically;
/* recalc_features() will eventually clear the cached frame
* extents, but we need the correct frame extents in the code below,
* so invalidate the old frame extents manually up front.
*/
meta_window_frame_size_changed (window);
/* Unmaximize to the saved_rect position in the direction(s)
* being unmaximized.
*/
meta_window_get_client_root_coords (window, &target_rect);
/* Avoid unmaximizing to "almost maximized" size when the previous size
* is greater then 80% of the work area use MAX_UNMAXIMIZED_WINDOW_AREA of the work area as upper limit
* while maintaining the aspect ratio.
*/
if (unmaximize_horizontally && unmaximize_vertically &&
desired_rect->width * desired_rect->height > work_area.width * work_area.height * MAX_UNMAXIMIZED_WINDOW_AREA)
{
if (desired_rect->width > desired_rect->height)
{
float aspect = (float)desired_rect->height / (float)desired_rect->width;
desired_rect->width = MAX (work_area.width * sqrt (MAX_UNMAXIMIZED_WINDOW_AREA), window->size_hints.min_width);
desired_rect->height = MAX (desired_rect->width * aspect, window->size_hints.min_height);
}
else
{
float aspect = (float)desired_rect->width / (float)desired_rect->height;
desired_rect->height = MAX (work_area.height * sqrt (MAX_UNMAXIMIZED_WINDOW_AREA), window->size_hints.min_height);
desired_rect->width = MAX (desired_rect->height * aspect, window->size_hints.min_width);
}
}
if (unmaximize_horizontally)
{
target_rect.x = desired_rect->x;
target_rect.width = desired_rect->width;
}
if (unmaximize_vertically)
{
target_rect.y = desired_rect->y;
target_rect.height = desired_rect->height;
}
/* Window's size hints may have changed while maximized, making
* saved_rect invalid. #329152
*/
ensure_size_hints_satisfied (&target_rect, &window->size_hints);
meta_window_move_resize_internal (window,
META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION,
gravity,
target_rect);
meta_window_get_frame_rect (window, &new_rect);
meta_compositor_unmaximize_window (window->display->compositor,
window,
&old_rect,
&new_rect);
/* When we unmaximize, if we're doing a mouse move also we could
* get the window suddenly jumping to the upper left corner of
* the workspace, since that's where it was when the grab op
* started. So we need to update the grab state. We have to do
* it after the actual operation, as the window may have been moved
* by constraints.
*/
if (meta_grab_op_is_moving (window->display->grab_op) &&
window->display->grab_window == window)
{
window->display->grab_anchor_window_pos = window->unconstrained_rect;
}
meta_window_recalc_features (window);
set_net_wm_state (window);
}
g_object_freeze_notify (G_OBJECT (window));
g_object_notify (G_OBJECT (window), "maximized-horizontally");
g_object_notify (G_OBJECT (window), "maximized-vertically");
g_object_thaw_notify (G_OBJECT (window));
}
void
meta_window_unmaximize (MetaWindow *window,
MetaMaximizeFlags directions)
{
meta_window_unmaximize_internal (window, directions, &window->saved_rect,
NorthWestGravity);
}
/* Like meta_window_unmaximize(), but instead of unmaximizing to the
* saved position, we give the new desired size, and the gravity that
* determines the positioning relationship between the area occupied
* maximized and the new are. The arguments are similar to
* meta_window_resize_with_gravity().
* Unlike meta_window_unmaximize(), tiling is not restored for windows
* with a tile mode other than META_TILE_NONE.
*/
void
meta_window_unmaximize_with_gravity (MetaWindow *window,
MetaMaximizeFlags directions,
int new_width,
int new_height,
int gravity)
{
MetaRectangle desired_rect;
meta_window_get_position (window, &desired_rect.x, &desired_rect.y);
desired_rect.width = new_width;
desired_rect.height = new_height;
meta_window_unmaximize_internal (window, directions, &desired_rect, gravity);
}
void
meta_window_make_above (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
meta_window_set_above (window, TRUE);
meta_window_raise (window);
}
void
meta_window_unmake_above (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
meta_window_set_above (window, FALSE);
meta_window_raise (window);
}
static void
meta_window_set_above (MetaWindow *window,
gboolean new_value)
{
new_value = new_value != FALSE;
if (new_value == window->wm_state_above)
return;
window->wm_state_above = new_value;
meta_window_update_layer (window);
set_net_wm_state (window);
meta_window_frame_size_changed (window);
g_object_notify (G_OBJECT (window), "above");
}
void
meta_window_make_fullscreen_internal (MetaWindow *window)
{
if (!window->fullscreen)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Fullscreening %s\n", window->desc);
if (window->shaded)
{
/* Shading sucks anyway; I'm not adding a timestamp argument
* to this function just for this niche usage & corner case.
*/
guint32 timestamp =
meta_display_get_current_time_roundtrip (window->display);
meta_window_unshade (window, timestamp);
}
meta_window_save_rect (window);
window->fullscreen = TRUE;
meta_stack_freeze (window->screen->stack);
meta_window_update_layer (window);
meta_window_raise (window);
meta_stack_thaw (window->screen->stack);
meta_window_recalc_features (window);
set_net_wm_state (window);
/* For the auto-minimize feature, if we fail to get focus */
meta_screen_queue_check_fullscreen (window->screen);
g_object_notify (G_OBJECT (window), "fullscreen");
}
}
void
meta_window_make_fullscreen (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
if (!window->fullscreen)
{
meta_window_make_fullscreen_internal (window);
/* move_resize with new constraints
*/
meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
}
}
void
meta_window_unmake_fullscreen (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
if (window->fullscreen)
{
MetaRectangle target_rect;
meta_topic (META_DEBUG_WINDOW_OPS,
"Unfullscreening %s\n", window->desc);
window->fullscreen = FALSE;
target_rect = window->saved_rect;
/* Window's size hints may have changed while maximized, making
* saved_rect invalid. #329152
*/
ensure_size_hints_satisfied (&target_rect, &window->size_hints);
/* Need to update window->has_resize_func before we move_resize()
*/
meta_window_recalc_features (window);
set_net_wm_state (window);
meta_window_move_resize (window,
FALSE,
target_rect.x,
target_rect.y,
target_rect.width,
target_rect.height);
meta_window_update_layer (window);
g_object_notify (G_OBJECT (window), "fullscreen");
}
}
void
meta_window_update_fullscreen_monitors (MetaWindow *window,
unsigned long top,
unsigned long bottom,
unsigned long left,
unsigned long right)
{
if ((int)top < window->screen->n_monitor_infos &&
(int)bottom < window->screen->n_monitor_infos &&
(int)left < window->screen->n_monitor_infos &&
(int)right < window->screen->n_monitor_infos)
{
window->fullscreen_monitors[0] = top;
window->fullscreen_monitors[1] = bottom;
window->fullscreen_monitors[2] = left;
window->fullscreen_monitors[3] = right;
}
else
{
window->fullscreen_monitors[0] = -1;
}
if (window->fullscreen)
{
meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
}
}
void
meta_window_shade (MetaWindow *window,
guint32 timestamp)
{
g_return_if_fail (!window->override_redirect);
meta_topic (META_DEBUG_WINDOW_OPS,
"Shading %s\n", window->desc);
if (!window->shaded)
{
window->shaded = TRUE;
meta_window_queue(window, META_QUEUE_MOVE_RESIZE | META_QUEUE_CALC_SHOWING);
meta_window_frame_size_changed (window);
/* After queuing the calc showing, since _focus flushes it,
* and we need to focus the frame
*/
meta_topic (META_DEBUG_FOCUS,
"Re-focusing window %s after shading it\n",
window->desc);
meta_window_focus (window, timestamp);
set_net_wm_state (window);
}
}
void
meta_window_unshade (MetaWindow *window,
guint32 timestamp)
{
g_return_if_fail (!window->override_redirect);
meta_topic (META_DEBUG_WINDOW_OPS,
"Unshading %s\n", window->desc);
if (window->shaded)
{
window->shaded = FALSE;
meta_window_queue(window, META_QUEUE_MOVE_RESIZE | META_QUEUE_CALC_SHOWING);
meta_window_frame_size_changed (window);
/* focus the window */
meta_topic (META_DEBUG_FOCUS,
"Focusing window %s after unshading it\n",
window->desc);
meta_window_focus (window, timestamp);
set_net_wm_state (window);
}
}
static gboolean
unminimize_func (MetaWindow *window,
void *data)
{
meta_window_unminimize (window);
return TRUE;
}
static void
unminimize_window_and_all_transient_parents (MetaWindow *window)
{
meta_window_unminimize (window);
meta_window_foreach_ancestor (window, unminimize_func, NULL);
}
void
meta_window_activate_full (MetaWindow *window,
guint32 timestamp,
MetaClientType source_indication,
MetaWorkspace *workspace)
{
gboolean allow_workspace_switch;
meta_topic (META_DEBUG_FOCUS,
"_NET_ACTIVE_WINDOW message sent for %s at time %u "
"by client type %u.\n",
window->desc, timestamp, source_indication);
allow_workspace_switch = (timestamp != 0);
if (timestamp != 0 &&
XSERVER_TIME_IS_BEFORE (timestamp, window->display->last_user_time))
{
meta_topic (META_DEBUG_FOCUS,
"last_user_time (%u) is more recent; ignoring "
" _NET_ACTIVE_WINDOW message.\n",
window->display->last_user_time);
meta_window_set_demands_attention(window);
return;
}
if (timestamp == 0)
timestamp = meta_display_get_current_time_roundtrip (window->display);
meta_window_set_user_time (window, timestamp);
/* disable show desktop mode unless we're a desktop component */
maybe_leave_show_desktop_mode (window);
/* Get window on current or given workspace */
if (workspace == NULL)
workspace = window->screen->active_workspace;
/* For non-transient windows, we just set up a pulsing indicator,
rather than move windows or workspaces.
See http://bugzilla.gnome.org/show_bug.cgi?id=482354 */
if (window->transient_for == NULL &&
!allow_workspace_switch &&
!meta_window_located_on_workspace (window, workspace))
{
meta_window_set_demands_attention (window);
/* We've marked it as demanding, don't need to do anything else. */
return;
}
else if (window->transient_for != NULL)
{
/* Move transients to current workspace - preference dialogs should appear over
the source window. */
meta_window_change_workspace (window, workspace);
}
if (window->shaded)
meta_window_unshade (window, timestamp);
unminimize_window_and_all_transient_parents (window);
if (meta_prefs_get_raise_on_click () ||
source_indication == META_CLIENT_TYPE_PAGER)
meta_window_raise (window);
meta_topic (META_DEBUG_FOCUS,
"Focusing window %s due to activation\n",
window->desc);
if (meta_window_located_on_workspace (window, workspace))
meta_window_focus (window, timestamp);
else
meta_workspace_activate_with_focus (window->workspace, window, timestamp);
meta_window_check_alive (window, timestamp);
}
/* This function exists since most of the functionality in window_activate
* is useful for Mutter, but Mutter shouldn't need to specify a client
* type for itself. ;-)
*/
void
meta_window_activate (MetaWindow *window,
guint32 timestamp)
{
g_return_if_fail (!window->override_redirect);
/* We're not really a pager, but the behavior we want is the same as if
* we were such. If we change the pager behavior later, we could revisit
* this and just add extra flags to window_activate.
*/
meta_window_activate_full (window, timestamp, META_CLIENT_TYPE_PAGER, NULL);
}
void
meta_window_activate_with_workspace (MetaWindow *window,
guint32 timestamp,
MetaWorkspace *workspace)
{
g_return_if_fail (!window->override_redirect);
meta_window_activate_full (window, timestamp, META_CLIENT_TYPE_APPLICATION, workspace);
}
/**
* meta_window_updates_are_frozen:
* @window: a #MetaWindow
*
* Gets whether the compositor should be updating the window contents;
* window content updates may be frozen at client request by setting
* an odd value in the extended _NET_WM_SYNC_REQUEST_COUNTER counter
* by the window manager during a resize operation while waiting for
* the client to redraw.
*
* Return value: %TRUE if updates are currently frozen
*/
gboolean
meta_window_updates_are_frozen (MetaWindow *window)
{
if (window->extended_sync_request_counter &&
window->sync_request_serial % 2 == 1)
return TRUE;
if (window->sync_request_serial < window->sync_request_wait_serial)
return TRUE;
return FALSE;
}
static gboolean
maybe_move_attached_dialog (MetaWindow *window,
void *data)
{
if (meta_window_is_attached_dialog (window))
/* It ignores x,y for such a dialog */
meta_window_move (window, FALSE, 0, 0);
return FALSE;
}
/**
* meta_window_get_monitor:
* @window: a #MetaWindow
*
* Gets index of the monitor that this window is on.
*
* Return Value: The index of the monitor in the screens monitor list
*/
int
meta_window_get_monitor (MetaWindow *window)
{
return window->monitor->number;
}
/* This is called when the monitor setup has changed. The window->monitor
* reference is still "valid", but refer to the previous monitor setup */
void
meta_window_update_for_monitors_changed (MetaWindow *window)
{
const MetaMonitorInfo *old, *new;
int i;
if (window->type == META_WINDOW_DESKTOP)
return;
if (window->override_redirect)
{
meta_window_update_monitor (window);
return;
}
old = window->monitor;
/* Start on primary */
new = &window->screen->monitor_infos[window->screen->primary_monitor_index];
/* But, if we can find the old output on a new monitor, use that */
for (i = 0; i < window->screen->n_monitor_infos; i++)
{
MetaMonitorInfo *info = &window->screen->monitor_infos[i];
if (info->output_id != 0 &&
info->output_id == old->output_id)
{
new = info;
break;
}
}
if (window->tile_mode != META_TILE_NONE)
window->tile_monitor_number = new->number;
/* This will eventually reach meta_window_update_monitor that
* will send leave/enter-monitor events. The old != new monitor
* check will always fail (due to the new monitor_infos set) so
* we will always send the events, even if the new and old monitor
* index is the same. That is right, since the enumeration of the
* monitors changed and the same index could be refereing
* to a different monitor. */
meta_window_move_between_rects (window,
&old->rect,
&new->rect);
}
void
meta_window_update_monitor (MetaWindow *window)
{
const MetaMonitorInfo *old;
old = window->monitor;
window->monitor = meta_screen_get_monitor_for_window (window->screen, window);
if (old != window->monitor)
{
meta_window_update_on_all_workspaces (window);
/* If workspaces only on primary and we moved back to primary, ensure that the
* window is now in that workspace. We do this because while the window is on a
* non-primary monitor it is always visible, so it would be very jarring if it
* disappeared when it crossed the monitor border.
* The one time we want it to both change to the primary monitor and a non-active
* workspace is when dropping the window on some other workspace thumbnail directly.
* That should be handled by explicitly moving the window before changing the
* workspace
* Don't do this if old == NULL, because thats what happens when starting up, and
* we don't want to move all windows around from a previous WM instance. Nor do
* we want it when moving from one primary monitor to another (can happen during
* screen reconfiguration.
*/
if (meta_prefs_get_workspaces_only_on_primary () &&
meta_window_is_on_primary_monitor (window) &&
old != NULL && !old->is_primary &&
window->screen->active_workspace != window->workspace)
meta_window_change_workspace (window, window->screen->active_workspace);
if (old)
g_signal_emit_by_name (window->screen, "window-left-monitor", old->number, window);
g_signal_emit_by_name (window->screen, "window-entered-monitor", window->monitor->number, window);
/* If we're changing monitors, we need to update the has_maximize_func flag,
* as the working area has changed. */
meta_window_recalc_features (window);
}
}
void
meta_window_move_resize_internal (MetaWindow *window,
MetaMoveResizeFlags flags,
int gravity,
MetaRectangle client_rect)
{
/* The rectangle here that's passed in is always the root position
* of the client window. For undecorated or client-decorated windows,
* this is the root position of the X11 window. For server-decorated
* windows, this is the root position of the client area of the window.
*/
gboolean did_placement;
MetaRectangle unconstrained_rect;
MetaRectangle constrained_rect;
MetaMoveResizeResultFlags result = 0;
g_return_if_fail (!window->override_redirect);
/* The action has to be a move, a resize or the wayland client
* acking our choice of size.
*/
g_assert (flags & (META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION | META_IS_WAYLAND_RESIZE));
did_placement = !window->placed && window->calc_placement;
/* We don't need it in the idle queue anymore. */
meta_window_unqueue (window, META_QUEUE_MOVE_RESIZE);
/* If this is only a resize, then ignore the position given in
* the parameters and instead calculate the new position from
* resizing the old rectangle with the given gravity. */
if ((flags & (META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION)) == META_IS_RESIZE_ACTION)
{
MetaRectangle old_rect;
meta_window_get_client_root_coords (window, &old_rect);
meta_rectangle_resize_with_gravity (&old_rect,
&unconstrained_rect,
gravity,
client_rect.width,
client_rect.height);
}
else
{
unconstrained_rect = client_rect;
}
/* If this is only a move, then ignore the passed in size and
* just use the existing size of the window. */
if ((flags & (META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION)) == META_IS_MOVE_ACTION)
{
unconstrained_rect.width = window->rect.width;
unconstrained_rect.height = window->rect.height;
}
/* Save the unconstrained rectangle to the position we should be at
* before constraints kick in. */
window->unconstrained_rect = unconstrained_rect;
constrained_rect = unconstrained_rect;
if (flags & (META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION))
{
MetaRectangle old_rect;
meta_window_get_frame_rect (window, &old_rect);
meta_window_client_rect_to_frame_rect (window, &constrained_rect, &constrained_rect);
meta_window_constrain (window,
flags,
gravity,
&old_rect,
&constrained_rect);
meta_window_frame_rect_to_client_rect (window, &constrained_rect, &constrained_rect);
}
/* Do the protocol-specific move/resize logic */
META_WINDOW_GET_CLASS (window)->move_resize_internal (window, gravity, unconstrained_rect, constrained_rect, flags, &result);
if (result & META_MOVE_RESIZE_RESULT_MOVED)
g_signal_emit (window, window_signals[POSITION_CHANGED], 0);
if (result & META_MOVE_RESIZE_RESULT_RESIZED)
g_signal_emit (window, window_signals[SIZE_CHANGED], 0);
if ((result & (META_MOVE_RESIZE_RESULT_MOVED | META_MOVE_RESIZE_RESULT_RESIZED)) != 0 || did_placement)
{
if (window->known_to_compositor)
meta_compositor_sync_window_geometry (window->display->compositor,
window,
did_placement);
}
meta_window_update_monitor (window);
/* Invariants leaving this function are:
* a) window->rect and frame->rect reflect the actual
* server-side size/pos of window->xwindow and frame->xwindow
* b) all constraints are obeyed by window->rect and frame->rect
*/
if ((result & META_MOVE_RESIZE_RESULT_FRAME_SHAPE_CHANGED) && window->frame_bounds)
{
cairo_region_destroy (window->frame_bounds);
window->frame_bounds = NULL;
}
meta_window_foreach_transient (window, maybe_move_attached_dialog, NULL);
meta_stack_update_window_tile_matches (window->screen->stack,
window->screen->active_workspace);
}
/**
* meta_window_move:
* @window: a #MetaWindow
* @user_op: bool to indicate whether or not this is a user operation
* @root_x_nw: desired x pos
* @root_y_nw: desired y pos
*
* Moves the window to the desired location on window's assigned workspace.
* NOTE: does NOT place according to the origin of the enclosing
* frame/window-decoration, but according to the origin of the window,
* itself.
*/
void
meta_window_move (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw)
{
MetaMoveResizeFlags flags;
MetaRectangle rect = { root_x_nw, root_y_nw, 0, 0 };
g_return_if_fail (!window->override_redirect);
flags = (user_op ? META_IS_USER_ACTION : 0) | META_IS_MOVE_ACTION;
meta_window_move_resize_internal (window, flags, NorthWestGravity, rect);
}
/**
* meta_window_move_frame:
* @window: a #MetaWindow
* @user_op: bool to indicate whether or not this is a user operation
* @root_x_nw: desired x pos
* @root_y_nw: desired y pos
*
* Moves the window to the desired location on window's assigned
* workspace, using the northwest edge of the frame as the reference,
* instead of the actual window's origin, but only if a frame is present.
* Otherwise, acts identically to meta_window_move().
*/
void
meta_window_move_frame (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw)
{
MetaRectangle rect = { root_x_nw, root_y_nw, 0, 0 };
meta_window_frame_rect_to_client_rect (window, &rect, &rect);
meta_window_move (window, user_op, rect.x, rect.y);
}
static void
meta_window_move_between_rects (MetaWindow *window,
const MetaRectangle *old_area,
const MetaRectangle *new_area)
{
int rel_x, rel_y;
double scale_x, scale_y;
rel_x = window->unconstrained_rect.x - old_area->x;
rel_y = window->unconstrained_rect.y - old_area->y;
scale_x = (double)new_area->width / old_area->width;
scale_y = (double)new_area->height / old_area->height;
window->unconstrained_rect.x = new_area->x + rel_x * scale_x;
window->unconstrained_rect.y = new_area->y + rel_y * scale_y;
window->saved_rect.x = window->unconstrained_rect.x;
window->saved_rect.y = window->unconstrained_rect.y;
meta_window_move_resize_now (window);
}
/**
* meta_window_move_resize_frame:
* @window: a #MetaWindow
* @user_op: bool to indicate whether or not this is a user operation
* @root_x_nw: new x
* @root_y_nw: new y
* @w: desired width
* @h: desired height
*
* Resizes the window so that its outer bounds (including frame)
* fit within the given rect
*/
void
meta_window_move_resize_frame (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
MetaRectangle rect = { root_x_nw, root_y_nw, w, h };
meta_window_frame_rect_to_client_rect (window, &rect, &rect);
meta_window_move_resize (window, user_op, rect.x, rect.y, rect.width, rect.height);
}
/**
* meta_window_move_to_monitor:
* @window: a #MetaWindow
* @monitor: desired monitor index
*
* Moves the window to the monitor with index @monitor, keeping
* the relative position of the window's top left corner.
*/
void
meta_window_move_to_monitor (MetaWindow *window,
int monitor)
{
MetaRectangle old_area, new_area;
if (monitor == window->monitor->number)
return;
meta_window_get_work_area_for_monitor (window,
window->monitor->number,
&old_area);
meta_window_get_work_area_for_monitor (window,
monitor,
&new_area);
if (window->tile_mode != META_TILE_NONE)
window->tile_monitor_number = monitor;
meta_window_move_between_rects (window, &old_area, &new_area);
if (window->fullscreen || window->override_redirect)
meta_screen_queue_check_fullscreen (window->screen);
}
void
meta_window_move_resize (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
MetaMoveResizeFlags flags;
MetaRectangle rect;
g_return_if_fail (!window->override_redirect);
flags = (user_op ? META_IS_USER_ACTION : 0) |
META_IS_MOVE_ACTION | META_IS_RESIZE_ACTION;
rect.x = root_x_nw;
rect.y = root_y_nw;
rect.width = w;
rect.height = h;
meta_window_move_resize_internal (window, flags, NorthWestGravity, rect);
}
void
meta_window_resize_with_gravity (MetaWindow *window,
gboolean user_op,
int w,
int h,
int gravity)
{
MetaMoveResizeFlags flags;
MetaRectangle rect;
rect.width = w;
rect.height = h;
flags = (user_op ? META_IS_USER_ACTION : 0) | META_IS_RESIZE_ACTION;
meta_window_move_resize_internal (window, flags, gravity, rect);
}
static void
meta_window_move_resize_now (MetaWindow *window)
{
meta_window_move_resize (window, FALSE,
window->unconstrained_rect.x,
window->unconstrained_rect.y,
window->unconstrained_rect.width,
window->unconstrained_rect.height);
}
static gboolean
idle_move_resize (gpointer data)
{
GSList *tmp;
GSList *copy;
guint queue_index = GPOINTER_TO_INT (data);
meta_topic (META_DEBUG_GEOMETRY, "Clearing the move_resize queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue move_resizes.
*/
copy = g_slist_copy (queue_pending[queue_index]);
g_slist_free (queue_pending[queue_index]);
queue_pending[queue_index] = NULL;
queue_later[queue_index] = 0;
destroying_windows_disallowed += 1;
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
/* As a side effect, sets window->move_resize_queued = FALSE */
meta_window_move_resize_now (window);
tmp = tmp->next;
}
g_slist_free (copy);
destroying_windows_disallowed -= 1;
return FALSE;
}
void
meta_window_get_position (MetaWindow *window,
int *x,
int *y)
{
if (window->frame)
{
if (x)
*x = window->frame->rect.x + window->frame->child_x;
if (y)
*y = window->frame->rect.y + window->frame->child_y;
}
else
{
if (x)
*x = window->rect.x;
if (y)
*y = window->rect.y;
}
}
void
meta_window_get_client_root_coords (MetaWindow *window,
MetaRectangle *rect)
{
meta_window_get_position (window, &rect->x, &rect->y);
rect->width = window->rect.width;
rect->height = window->rect.height;
}
void
meta_window_get_gravity_position (MetaWindow *window,
int gravity,
int *root_x,
int *root_y)
{
MetaRectangle frame_extents;
int w, h;
int x, y;
w = window->rect.width;
h = window->rect.height;
if (gravity == StaticGravity)
{
frame_extents = window->rect;
if (window->frame)
{
frame_extents.x = window->frame->rect.x + window->frame->child_x;
frame_extents.y = window->frame->rect.y + window->frame->child_y;
}
}
else
{
if (window->frame == NULL)
frame_extents = window->rect;
else
frame_extents = window->frame->rect;
}
x = frame_extents.x;
y = frame_extents.y;
switch (gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
/* Find center of frame. */
x += frame_extents.width / 2;
/* Center client window on that point. */
x -= w / 2;
break;
case SouthEastGravity:
case EastGravity:
case NorthEastGravity:
/* Find right edge of frame */
x += frame_extents.width;
/* Align left edge of client at that point. */
x -= w;
break;
default:
break;
}
switch (gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
/* Find center of frame. */
y += frame_extents.height / 2;
/* Center client window there. */
y -= h / 2;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
/* Find south edge of frame */
y += frame_extents.height;
/* Place bottom edge of client there */
y -= h;
break;
default:
break;
}
if (root_x)
*root_x = x;
if (root_y)
*root_y = y;
}
void
meta_window_get_geometry (MetaWindow *window,
int *x,
int *y,
int *width,
int *height)
{
meta_window_get_gravity_position (window,
window->size_hints.win_gravity,
x, y);
*width = (window->rect.width - window->size_hints.base_width) /
window->size_hints.width_inc;
*height = (window->rect.height - window->size_hints.base_height) /
window->size_hints.height_inc;
}
/**
* meta_window_get_input_rect:
* @window: a #MetaWindow
* @rect: (out): pointer to an allocated #MetaRectangle
*
* Gets the rectangle that bounds @window that is responsive to mouse events.
* This includes decorations - the visible portion of its border - and (if
* present) any invisible area that we make make responsive to mouse clicks in
* order to allow convenient border dragging.
*/
void
meta_window_get_input_rect (const MetaWindow *window,
MetaRectangle *rect)
{
if (window->frame)
*rect = window->frame->rect;
else
*rect = window->rect;
}
/**
* meta_window_client_rect_to_frame_rect:
* @window: a #MetaWindow
* @client_rect: client rectangle in root coordinates
* @frame_rect: (out): location to store the computed corresponding frame bounds.
*
* Converts a desired bounds of the client window - what is passed to meta_window_move_resize() -
* into the corresponding bounds of the window frame (excluding invisible borders
* and client side shadows.)
*/
void
meta_window_client_rect_to_frame_rect (MetaWindow *window,
MetaRectangle *client_rect,
MetaRectangle *frame_rect)
{
if (!frame_rect)
return;
*frame_rect = *client_rect;
/* The support for G_MAXINT here to mean infinity is a convenience for
* constraints.c:get_size_limits() and not something that we provide
* in other locations or document.
*/
if (window->frame)
{
MetaFrameBorders borders;
meta_frame_calc_borders (window->frame, &borders);
frame_rect->x -= borders.visible.left;
frame_rect->y -= borders.visible.top;
if (frame_rect->width != G_MAXINT)
frame_rect->width += borders.visible.left + borders.visible.right;
if (frame_rect->height != G_MAXINT)
frame_rect->height += borders.visible.top + borders.visible.bottom;
}
else
{
if (window->has_custom_frame_extents)
{
const GtkBorder *extents = &window->custom_frame_extents;
frame_rect->x += extents->left;
frame_rect->y += extents->top;
if (frame_rect->width != G_MAXINT)
frame_rect->width -= extents->left + extents->right;
if (frame_rect->height != G_MAXINT)
frame_rect->height -= extents->top + extents->bottom;
}
}
}
/**
* meta_window_frame_rect_to_client_rect:
* @window: a #MetaWindow
* @frame_rect: desired frame bounds for the window
* @client_rect: (out): location to store the computed corresponding client rectangle.
*
* Converts a desired frame bounds for a window into the bounds of the client
* window - what is passed to meta_window_move_resize().
*/
void
meta_window_frame_rect_to_client_rect (MetaWindow *window,
MetaRectangle *frame_rect,
MetaRectangle *client_rect)
{
if (!client_rect)
return;
*client_rect = *frame_rect;
if (window->frame)
{
MetaFrameBorders borders;
meta_frame_calc_borders (window->frame, &borders);
client_rect->x += borders.visible.left;
client_rect->y += borders.visible.top;
client_rect->width -= borders.visible.left + borders.visible.right;
client_rect->height -= borders.visible.top + borders.visible.bottom;
}
else
{
if (window->has_custom_frame_extents)
{
const GtkBorder *extents = &window->custom_frame_extents;
client_rect->x -= extents->left;
client_rect->y -= extents->top;
client_rect->width += extents->left + extents->right;
client_rect->height += extents->top + extents->bottom;
}
}
}
/**
* meta_window_get_frame_rect:
* @window: a #MetaWindow
* @rect: (out): pointer to an allocated #MetaRectangle
*
* Gets the rectangle that bounds @window that is what the user thinks of
* as the edge of the window. This doesn't include any extra reactive
* area that we or the client adds to the window, or any area that the
* client adds to draw a client-side shadow.
*/
void
meta_window_get_frame_rect (const MetaWindow *window,
MetaRectangle *rect)
{
if (window->frame)
{
MetaFrameBorders borders;
*rect = window->frame->rect;
meta_frame_calc_borders (window->frame, &borders);
rect->x += borders.invisible.left;
rect->y += borders.invisible.top;
rect->width -= borders.invisible.left + borders.invisible.right;
rect->height -= borders.invisible.top + borders.invisible.bottom;
}
else
{
*rect = window->rect;
if (window->has_custom_frame_extents)
{
const GtkBorder *extents = &window->custom_frame_extents;
rect->x += extents->left;
rect->y += extents->top;
rect->width -= extents->left + extents->right;
rect->height -= extents->top + extents->bottom;
}
}
}
/**
* meta_window_get_outer_rect:
* @window: a #MetaWindow
* @rect: (out): pointer to an allocated #MetaRectangle
*
* Gets the rectangle that bounds @window that is what the user thinks of
* as the edge of the window. This doesn't include any extra reactive
* area that we or the client adds to the window, or any area that the
* client adds to draw a client-side shadow.
*
* Deprecated: 3.12: Use meta_window_get_frame_rect() instead.
*/
void
meta_window_get_outer_rect (const MetaWindow *window,
MetaRectangle *rect)
{
meta_window_get_frame_rect (window, rect);
}
/**
* meta_window_get_client_area_rect:
* @window: a #MetaWindow
* @rect: (out): pointer to a cairo rectangle
*
* Gets the rectangle for the boundaries of the client area, relative
* to the frame. If the window is shaded, the height of the rectangle
* is 0.
*/
void
meta_window_get_client_area_rect (const MetaWindow *window,
cairo_rectangle_int_t *rect)
{
if (window->frame)
{
rect->x = window->frame->child_x;
rect->y = window->frame->child_y;
}
else
{
rect->x = 0;
rect->y = 0;
}
rect->width = window->rect.width;
if (window->shaded)
rect->height = 0;
else
rect->height = window->rect.height;
}
const char*
meta_window_get_startup_id (MetaWindow *window)
{
if (window->startup_id == NULL)
{
MetaGroup *group;
group = meta_window_get_group (window);
if (group != NULL)
return meta_group_get_startup_id (group);
}
return window->startup_id;
}
static MetaWindow*
get_modal_transient (MetaWindow *window)
{
GSList *windows;
GSList *tmp;
MetaWindow *modal_transient;
/* A window can't be the transient of itself, but this is just for
* convenience in the loop below; we manually fix things up at the
* end if no real modal transient was found.
*/
modal_transient = window;
windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
tmp = windows;
while (tmp != NULL)
{
MetaWindow *transient = tmp->data;
if (transient->transient_for == modal_transient &&
transient->type == META_WINDOW_MODAL_DIALOG)
{
modal_transient = transient;
tmp = windows;
continue;
}
tmp = tmp->next;
}
g_slist_free (windows);
if (window == modal_transient)
modal_transient = NULL;
return modal_transient;
}
/* XXX META_EFFECT_FOCUS */
void
meta_window_focus (MetaWindow *window,
guint32 timestamp)
{
MetaWindow *modal_transient;
g_return_if_fail (!window->override_redirect);
meta_topic (META_DEBUG_FOCUS,
"Setting input focus to window %s, input: %d take_focus: %d\n",
window->desc, window->input, window->take_focus);
if (window->display->grab_window &&
window->display->grab_window->all_keys_grabbed &&
!window->display->grab_window->unmanaging)
{
meta_topic (META_DEBUG_FOCUS,
"Current focus window %s has global keygrab, not focusing window %s after all\n",
window->display->grab_window->desc, window->desc);
return;
}
modal_transient = get_modal_transient (window);
if (modal_transient != NULL &&
!modal_transient->unmanaging)
{
meta_topic (META_DEBUG_FOCUS,
"%s has %s as a modal transient, so focusing it instead.\n",
window->desc, modal_transient->desc);
if (!modal_transient->on_all_workspaces &&
modal_transient->workspace != window->screen->active_workspace)
meta_window_change_workspace (modal_transient,
window->screen->active_workspace);
window = modal_transient;
}
meta_window_flush_calc_showing (window);
if ((!window->mapped || window->hidden) && !window->shaded)
{
meta_topic (META_DEBUG_FOCUS,
"Window %s is not showing, not focusing after all\n",
window->desc);
return;
}
META_WINDOW_GET_CLASS (window)->focus (window, timestamp);
if (window->wm_state_demands_attention)
meta_window_unset_demands_attention(window);
/* meta_effect_run_focus(window, NULL, NULL); */
}
static void
meta_window_change_workspace_without_transients (MetaWindow *window,
MetaWorkspace *workspace)
{
int old_workspace = -1;
meta_verbose ("Changing window %s to workspace %d\n",
window->desc, meta_workspace_index (workspace));
if (!window->on_all_workspaces_requested)
{
old_workspace = meta_workspace_index (window->workspace);
}
/* unstick if stuck. meta_window_unstick would call
* meta_window_change_workspace recursively if the window
* is not in the active workspace.
*/
if (window->on_all_workspaces_requested)
meta_window_unstick (window);
/* See if we're already on this space. If not, make sure we are */
if (window->workspace != workspace)
{
meta_workspace_remove_window (window->workspace, window);
meta_workspace_add_window (workspace, window);
g_signal_emit (window, window_signals[WORKSPACE_CHANGED], 0,
old_workspace);
}
}
static gboolean
change_workspace_foreach (MetaWindow *window,
void *data)
{
meta_window_change_workspace_without_transients (window, data);
return TRUE;
}
void
meta_window_change_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
g_return_if_fail (!window->override_redirect);
if (window->always_sticky)
return;
meta_window_change_workspace_without_transients (window, workspace);
meta_window_foreach_transient (window, change_workspace_foreach,
workspace);
meta_window_foreach_ancestor (window, change_workspace_foreach,
workspace);
}
static void
window_stick_impl (MetaWindow *window)
{
meta_verbose ("Sticking window %s current on_all_workspaces = %d\n",
window->desc, window->on_all_workspaces);
if (window->on_all_workspaces_requested)
return;
/* We don't change window->workspaces, because we revert
* to that original workspace list if on_all_workspaces is
* toggled back off.
*/
window->on_all_workspaces_requested = TRUE;
meta_window_frame_size_changed (window);
meta_window_update_on_all_workspaces (window);
meta_window_queue(window, META_QUEUE_CALC_SHOWING);
}
static void
window_unstick_impl (MetaWindow *window)
{
if (!window->on_all_workspaces_requested)
return;
/* Revert to window->workspaces */
window->on_all_workspaces_requested = FALSE;
meta_window_frame_size_changed (window);
meta_window_update_on_all_workspaces (window);
/* We change ourselves to the active workspace, since otherwise you'd get
* a weird window-vaporization effect. Once we have UI for being
* on more than one workspace this should probably be add_workspace
* not change_workspace.
*/
if (window->screen->active_workspace != window->workspace)
meta_window_change_workspace (window, window->screen->active_workspace);
meta_window_queue(window, META_QUEUE_CALC_SHOWING);
}
static gboolean
stick_foreach_func (MetaWindow *window,
void *data)
{
gboolean stick;
stick = *(gboolean*)data;
if (stick)
window_stick_impl (window);
else
window_unstick_impl (window);
return TRUE;
}
void
meta_window_stick (MetaWindow *window)
{
gboolean stick = TRUE;
g_return_if_fail (!window->override_redirect);
window_stick_impl (window);
meta_window_foreach_transient (window,
stick_foreach_func,
&stick);
}
void
meta_window_unstick (MetaWindow *window)
{
gboolean stick = FALSE;
g_return_if_fail (!window->override_redirect);
window_unstick_impl (window);
meta_window_foreach_transient (window,
stick_foreach_func,
&stick);
}
void
meta_window_current_workspace_changed (MetaWindow *window)
{
META_WINDOW_GET_CLASS (window)->current_workspace_changed (window);
}
static gboolean
find_root_ancestor (MetaWindow *window,
void *data)
{
MetaWindow **ancestor = data;
/* Overwrite the previously "most-root" ancestor with the new one found */
*ancestor = window;
/* We want this to continue until meta_window_foreach_ancestor quits because
* there are no more valid ancestors.
*/
return TRUE;
}
/**
* meta_window_find_root_ancestor:
* @window: a #MetaWindow
*
* Follow the chain of parents of @window, skipping transient windows,
* and return the "root" window which has no non-transient parent.
*
* Returns: (transfer none): The root ancestor window
*/
MetaWindow *
meta_window_find_root_ancestor (MetaWindow *window)
{
MetaWindow *ancestor;
ancestor = window;
meta_window_foreach_ancestor (window, find_root_ancestor, &ancestor);
return ancestor;
}
void
meta_window_raise (MetaWindow *window)
{
MetaWindow *ancestor;
g_return_if_fail (!window->override_redirect);
ancestor = meta_window_find_root_ancestor (window);
meta_topic (META_DEBUG_WINDOW_OPS,
"Raising window %s, ancestor of %s\n",
ancestor->desc, window->desc);
/* Raise the ancestor of the window (if the window has no ancestor,
* then ancestor will be set to the window itself); do this because
* it's weird to see windows from other apps stacked between a child
* and parent window of the currently active app. The stacking
* constraints in stack.c then magically take care of raising all
* the child windows appropriately.
*/
if (window->screen->stack == ancestor->screen->stack)
meta_stack_raise (window->screen->stack, ancestor);
else
{
meta_warning (
"Either stacks aren't per screen or some window has a weird "
"transient_for hint; window->screen->stack != "
"ancestor->screen->stack. window = %s, ancestor = %s.\n",
window->desc, ancestor->desc);
/* We could raise the window here, but don't want to do that twice and
* so we let the case below handle that.
*/
}
/* Okay, so stacking constraints misses one case: If a window has
* two children and we want to raise one of those children, then
* raising the ancestor isn't enough; we need to also raise the
* correct child. See bug 307875.
*/
if (window != ancestor)
meta_stack_raise (window->screen->stack, window);
g_signal_emit (window, window_signals[RAISED], 0);
}
void
meta_window_lower (MetaWindow *window)
{
g_return_if_fail (!window->override_redirect);
meta_topic (META_DEBUG_WINDOW_OPS,
"Lowering window %s\n", window->desc);
meta_stack_lower (window->screen->stack, window);
}
/*
* Move window to the requested workspace; append controls whether new WS
* should be created if one does not exist.
*/
void
meta_window_change_workspace_by_index (MetaWindow *window,
gint space_index,
gboolean append)
{
MetaWorkspace *workspace;
MetaScreen *screen;
g_return_if_fail (!window->override_redirect);
if (space_index == -1)
{
meta_window_stick (window);
return;
}
screen = window->screen;
workspace =
meta_screen_get_workspace_by_index (screen, space_index);
if (!workspace && append)
workspace = meta_screen_append_new_workspace (screen, FALSE, CurrentTime);
if (workspace)
{
if (window->on_all_workspaces_requested)
meta_window_unstick (window);
meta_window_change_workspace (window, workspace);
}
}
static void
meta_window_appears_focused_changed (MetaWindow *window)
{
set_net_wm_state (window);
meta_window_frame_size_changed (window);
g_object_notify (G_OBJECT (window), "appears-focused");
if (window->frame)
meta_frame_queue_draw (window->frame);
}
/**
* meta_window_propagate_focus_appearance:
* @window: the window to start propagating from
* @focused: %TRUE if @window's ancestors should appear focused,
* %FALSE if they should not.
*
* Adjusts the value of #MetaWindow:appears-focused on @window's
* ancestors (but not @window itself). If @focused is %TRUE, each of
* @window's ancestors will have its %attached_focus_window field set
* to the current %focus_window. If @focused if %FALSE, each of
* @window's ancestors will have its %attached_focus_window field
* cleared if it is currently %focus_window.
*/
static void
meta_window_propagate_focus_appearance (MetaWindow *window,
gboolean focused)
{
MetaWindow *child, *parent, *focus_window;
focus_window = window->display->focus_window;
child = window;
parent = meta_window_get_transient_for (child);
while (parent && (!focused || meta_window_is_attached_dialog (child)))
{
gboolean child_focus_state_changed;
if (focused)
{
if (parent->attached_focus_window == focus_window)
break;
child_focus_state_changed = (parent->attached_focus_window == NULL);
parent->attached_focus_window = focus_window;
}
else
{
if (parent->attached_focus_window != focus_window)
break;
child_focus_state_changed = (parent->attached_focus_window != NULL);
parent->attached_focus_window = NULL;
}
if (child_focus_state_changed && !parent->has_focus)
{
meta_window_appears_focused_changed (parent);
}
child = parent;
parent = meta_window_get_transient_for (child);
}
}
void
meta_window_set_focused_internal (MetaWindow *window,
gboolean focused)
{
if (focused)
{
window->has_focus = TRUE;
if (window->override_redirect)
return;
/* Move to the front of the focusing workspace's MRU list.
* We should only be "removing" it from the MRU list if it's
* not already there. Note that it's possible that we might
* be processing this FocusIn after we've changed to a
* different workspace; we should therefore update the MRU
* list only if the window is actually on the active
* workspace.
*/
if (window->screen->active_workspace &&
meta_window_located_on_workspace (window,
window->screen->active_workspace))
{
GList* link;
link = g_list_find (window->screen->active_workspace->mru_list,
window);
g_assert (link);
window->screen->active_workspace->mru_list =
g_list_remove_link (window->screen->active_workspace->mru_list,
link);
g_list_free (link);
window->screen->active_workspace->mru_list =
g_list_prepend (window->screen->active_workspace->mru_list,
window);
}
if (window->frame)
meta_frame_queue_draw (window->frame);
/* move into FOCUSED_WINDOW layer */
meta_window_update_layer (window);
/* Ungrab click to focus button since the sync grab can interfere
* with some things you might do inside the focused window, by
* causing the client to get funky enter/leave events.
*
* The reason we usually have a passive grab on the window is
* so that we can intercept clicks and raise the window in
* response. For click-to-focus we don't need that since the
* focused window is already raised. When raise_on_click is
* FALSE we also don't need that since we don't do anything
* when the window is clicked.
*
* There is dicussion in bugs 102209, 115072, and 461577
*/
if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK ||
!meta_prefs_get_raise_on_click())
meta_display_ungrab_focus_window_button (window->display, window);
g_signal_emit (window, window_signals[FOCUS], 0);
if (!window->attached_focus_window)
meta_window_appears_focused_changed (window);
meta_window_propagate_focus_appearance (window, TRUE);
}
else
{
window->has_focus = FALSE;
if (window->override_redirect)
return;
meta_window_propagate_focus_appearance (window, FALSE);
if (!window->attached_focus_window)
meta_window_appears_focused_changed (window);
/* move out of FOCUSED_WINDOW layer */
meta_window_update_layer (window);
/* Re-grab for click to focus and raise-on-click, if necessary */
if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK ||
!meta_prefs_get_raise_on_click ())
meta_display_grab_focus_window_button (window->display, window);
}
}
/**
* meta_window_get_icon_geometry:
* @window: a #MetaWindow
* @rect: (out): rectangle into which to store the returned geometry.
*
* Gets the location of the icon corresponding to the window. The location
* will be provided set by the task bar or other user interface element
* displaying the icon, and is relative to the root window.
*
* Return value: %TRUE if the icon geometry was succesfully retrieved.
*/
gboolean
meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect)
{
g_return_val_if_fail (!window->override_redirect, FALSE);
if (window->icon_geometry_set)
{
if (rect)
*rect = window->icon_geometry;
return TRUE;
}
return FALSE;
}
/**
* meta_window_set_icon_geometry:
* @window: a #MetaWindow
* @rect: (allow-none): rectangle with the desired geometry or %NULL.
*
* Sets or unsets the location of the icon corresponding to the window. If
* set, the location should correspond to a dock, task bar or other user
* interface element displaying the icon, and is relative to the root window.
*/
void
meta_window_set_icon_geometry (MetaWindow *window,
MetaRectangle *rect)
{
if (rect)
{
window->icon_geometry = *rect;
window->icon_geometry_set = TRUE;
}
else
{
window->icon_geometry_set = FALSE;
}
}
static void
redraw_icon (MetaWindow *window)
{
/* We could probably be smart and just redraw the icon here,
* instead of the whole frame.
*/
if (window->frame)
meta_ui_queue_frame_draw (window->screen->ui, window->frame->xwindow);
}
void
meta_window_update_icon_now (MetaWindow *window)
{
GdkPixbuf *icon;
GdkPixbuf *mini_icon;
g_return_if_fail (!window->override_redirect);
icon = NULL;
mini_icon = NULL;
if (meta_read_icons (window->screen,
window->xwindow,
&window->icon_cache,
window->wm_hints_pixmap,
window->wm_hints_mask,
&icon,
META_ICON_WIDTH, META_ICON_HEIGHT,
&mini_icon,
META_MINI_ICON_WIDTH,
META_MINI_ICON_HEIGHT))
{
if (window->icon)
g_object_unref (G_OBJECT (window->icon));
if (window->mini_icon)
g_object_unref (G_OBJECT (window->mini_icon));
window->icon = icon;
window->mini_icon = mini_icon;
g_object_freeze_notify (G_OBJECT (window));
g_object_notify (G_OBJECT (window), "icon");
g_object_notify (G_OBJECT (window), "mini-icon");
g_object_thaw_notify (G_OBJECT (window));
redraw_icon (window);
}
g_assert (window->icon);
g_assert (window->mini_icon);
}
static gboolean
idle_update_icon (gpointer data)
{
GSList *tmp;
GSList *copy;
guint queue_index = GPOINTER_TO_INT (data);
meta_topic (META_DEBUG_GEOMETRY, "Clearing the update_icon queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue update_icons.
*/
copy = g_slist_copy (queue_pending[queue_index]);
g_slist_free (queue_pending[queue_index]);
queue_pending[queue_index] = NULL;
queue_later[queue_index] = 0;
destroying_windows_disallowed += 1;
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
meta_window_update_icon_now (window);
window->is_in_queues &= ~META_QUEUE_UPDATE_ICON;
tmp = tmp->next;
}
g_slist_free (copy);
destroying_windows_disallowed -= 1;
return FALSE;
}
GList*
meta_window_get_workspaces (MetaWindow *window)
{
if (window->on_all_workspaces)
return window->screen->workspaces;
else if (window->workspace != NULL)
return window->workspace->list_containing_self;
else
return NULL;
}
static void
invalidate_work_areas (MetaWindow *window)
{
GList *tmp;
tmp = meta_window_get_workspaces (window);
while (tmp != NULL)
{
meta_workspace_invalidate_work_area (tmp->data);
tmp = tmp->next;
}
}
void
meta_window_update_struts (MetaWindow *window)
{
if (META_WINDOW_GET_CLASS (window)->update_struts (window))
invalidate_work_areas (window);
}
static void
meta_window_type_changed (MetaWindow *window)
{
gboolean old_decorated = window->decorated;
GObject *object = G_OBJECT (window);
window->attached = meta_window_should_attach_to_parent (window);
meta_window_recalc_features (window);
if (!window->override_redirect)
set_net_wm_state (window);
/* Update frame */
if (window->decorated)
meta_window_ensure_frame (window);
else
meta_window_destroy_frame (window);
/* update stacking constraints */
meta_window_update_layer (window);
meta_window_grab_keys (window);
g_object_freeze_notify (object);
if (old_decorated != window->decorated)
g_object_notify (object, "decorated");
g_object_notify (object, "window-type");
g_object_thaw_notify (object);
}
void
meta_window_set_type (MetaWindow *window,
MetaWindowType type)
{
if (window->type == type)
return;
window->type = type;
meta_window_type_changed (window);
}
void
meta_window_frame_size_changed (MetaWindow *window)
{
if (window->frame)
meta_frame_clear_cached_borders (window->frame);
}
static void
meta_window_get_default_skip_hints (MetaWindow *window,
gboolean *skip_taskbar_out,
gboolean *skip_pager_out)
{
META_WINDOW_GET_CLASS (window)->get_default_skip_hints (window, skip_taskbar_out, skip_pager_out);
}
static void
meta_window_recalc_skip_features (MetaWindow *window)
{
switch (window->type)
{
/* Force skip taskbar/pager on these window types */
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
case META_WINDOW_SPLASHSCREEN:
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
window->skip_taskbar = TRUE;
window->skip_pager = TRUE;
break;
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
/* only skip taskbar if we have a real transient parent
(and ignore the application hints) */
if (window->transient_for != NULL)
window->skip_taskbar = TRUE;
else
window->skip_taskbar = FALSE;
break;
case META_WINDOW_NORMAL:
{
gboolean skip_taskbar_hint, skip_pager_hint;
meta_window_get_default_skip_hints (window, &skip_taskbar_hint, &skip_pager_hint);
window->skip_taskbar = skip_taskbar_hint;
window->skip_pager = skip_pager_hint;
}
break;
}
}
void
meta_window_recalc_features (MetaWindow *window)
{
gboolean old_has_close_func;
gboolean old_has_minimize_func;
gboolean old_has_move_func;
gboolean old_has_resize_func;
gboolean old_has_shade_func;
gboolean old_always_sticky;
gboolean old_skip_taskbar;
old_has_close_func = window->has_close_func;
old_has_minimize_func = window->has_minimize_func;
old_has_move_func = window->has_move_func;
old_has_resize_func = window->has_resize_func;
old_has_shade_func = window->has_shade_func;
old_always_sticky = window->always_sticky;
old_skip_taskbar = window->skip_taskbar;
/* Use MWM hints initially */
if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
window->decorated = window->mwm_decorated;
else
window->decorated = FALSE;
window->border_only = window->mwm_border_only;
window->has_close_func = window->mwm_has_close_func;
window->has_minimize_func = window->mwm_has_minimize_func;
window->has_maximize_func = window->mwm_has_maximize_func;
window->has_move_func = window->mwm_has_move_func;
window->has_resize_func = TRUE;
/* If min_size == max_size, then don't allow resize */
if (window->size_hints.min_width == window->size_hints.max_width &&
window->size_hints.min_height == window->size_hints.max_height)
window->has_resize_func = FALSE;
else if (!window->mwm_has_resize_func)
{
/* We ignore mwm_has_resize_func because WM_NORMAL_HINTS is the
* authoritative source for that info. Some apps such as mplayer or
* xine disable resize via MWM but not WM_NORMAL_HINTS, but that
* leads to e.g. us not fullscreening their windows. Apps that set
* MWM but not WM_NORMAL_HINTS are basically broken. We complain
* about these apps but make them work.
*/
meta_warning ("Window %s sets an MWM hint indicating it isn't resizable, but sets min size %d x %d and max size %d x %d; this doesn't make much sense.\n",
window->desc,
window->size_hints.min_width,
window->size_hints.min_height,
window->size_hints.max_width,
window->size_hints.max_height);
}
window->has_shade_func = TRUE;
window->has_fullscreen_func = TRUE;
window->always_sticky = FALSE;
/* Semantic category overrides the MWM hints */
if (window->type == META_WINDOW_TOOLBAR)
window->decorated = FALSE;
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->override_redirect)
window->always_sticky = TRUE;
if (window->override_redirect ||
meta_window_get_frame_type (window) == META_FRAME_TYPE_LAST)
{
window->decorated = FALSE;
window->has_close_func = FALSE;
window->has_shade_func = FALSE;
/* FIXME this keeps panels and things from using
* NET_WM_MOVERESIZE; the problem is that some
* panels (edge panels) have fixed possible locations,
* and others ("floating panels") do not.
*
* Perhaps we should require edge panels to explicitly
* disable movement?
*/
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
}
if (window->type != META_WINDOW_NORMAL)
{
window->has_minimize_func = FALSE;
window->has_maximize_func = FALSE;
window->has_fullscreen_func = FALSE;
}
if (!window->has_resize_func)
{
window->has_maximize_func = FALSE;
/* don't allow fullscreen if we can't resize, unless the size
* is entire screen size (kind of broken, because we
* actually fullscreen to monitor size not screen size)
*/
if (window->size_hints.min_width == window->screen->rect.width &&
window->size_hints.min_height == window->screen->rect.height)
; /* leave fullscreen available */
else
window->has_fullscreen_func = FALSE;
}
/* We leave fullscreen windows decorated, just push the frame outside
* the screen. This avoids flickering to unparent them.
*
* Note that setting has_resize_func = FALSE here must come after the
* above code that may disable fullscreen, because if the window
* is not resizable purely due to fullscreen, we don't want to
* disable fullscreen mode.
*/
if (window->fullscreen)
{
window->has_shade_func = FALSE;
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
window->has_maximize_func = FALSE;
}
if (window->has_maximize_func)
{
MetaRectangle work_area, client_rect;
meta_window_get_work_area_current_monitor (window, &work_area);
meta_window_frame_rect_to_client_rect (window, &work_area, &client_rect);
if (window->size_hints.min_width >= client_rect.width ||
window->size_hints.min_height >= client_rect.height)
window->has_maximize_func = FALSE;
}
meta_topic (META_DEBUG_WINDOW_OPS,
"Window %s fullscreen = %d not resizable, maximizable = %d fullscreenable = %d min size %dx%d max size %dx%d\n",
window->desc,
window->fullscreen,
window->has_maximize_func, window->has_fullscreen_func,
window->size_hints.min_width,
window->size_hints.min_height,
window->size_hints.max_width,
window->size_hints.max_height);
/* no shading if not decorated */
if (!window->decorated || window->border_only)
window->has_shade_func = FALSE;
meta_window_recalc_skip_features (window);
meta_topic (META_DEBUG_WINDOW_OPS,
"Window %s decorated = %d border_only = %d has_close = %d has_minimize = %d has_maximize = %d has_move = %d has_shade = %d skip_taskbar = %d skip_pager = %d\n",
window->desc,
window->decorated,
window->border_only,
window->has_close_func,
window->has_minimize_func,
window->has_maximize_func,
window->has_move_func,
window->has_shade_func,
window->skip_taskbar,
window->skip_pager);
if (old_skip_taskbar != window->skip_taskbar)
g_object_notify (G_OBJECT (window), "skip-taskbar");
/* FIXME:
* Lame workaround for recalc_features being used overzealously.
* The fix is to only recalc_features when something has
* actually changed.
*/
if (window->constructing ||
old_has_close_func != window->has_close_func ||
old_has_minimize_func != window->has_minimize_func ||
old_has_move_func != window->has_move_func ||
old_has_resize_func != window->has_resize_func ||
old_has_shade_func != window->has_shade_func ||
old_always_sticky != window->always_sticky)
set_allowed_actions_hint (window);
if (window->has_resize_func != old_has_resize_func)
g_object_notify (G_OBJECT (window), "resizeable");
meta_window_frame_size_changed (window);
/* FIXME perhaps should ensure if we don't have a shade func,
* we aren't shaded, etc.
*/
}
void
meta_window_show_menu (MetaWindow *window,
MetaWindowMenuType menu,
int x,
int y)
{
g_return_if_fail (!window->override_redirect);
meta_compositor_show_window_menu (window->display->compositor, window, menu, x, y);
}
void
meta_window_shove_titlebar_onscreen (MetaWindow *window)
{
MetaRectangle frame_rect;
GList *onscreen_region;
int horiz_amount, vert_amount;
g_return_if_fail (!window->override_redirect);
/* If there's no titlebar, don't bother */
if (!window->frame)
return;
/* Get the basic info we need */
meta_window_get_frame_rect (window, &frame_rect);
onscreen_region = window->screen->active_workspace->screen_region;
/* Extend the region (just in case the window is too big to fit on the
* screen), then shove the window on screen, then return the region to
* normal.
*/
horiz_amount = frame_rect.width;
vert_amount = frame_rect.height;
meta_rectangle_expand_region (onscreen_region,
horiz_amount,
horiz_amount,
0,
vert_amount);
meta_rectangle_shove_into_region(onscreen_region,
FIXED_DIRECTION_X,
&frame_rect);
meta_rectangle_expand_region (onscreen_region,
-horiz_amount,
-horiz_amount,
0,
-vert_amount);
meta_window_move_frame (window, FALSE, frame_rect.x, frame_rect.y);
}
gboolean
meta_window_titlebar_is_onscreen (MetaWindow *window)
{
MetaRectangle titlebar_rect;
GList *onscreen_region;
gboolean is_onscreen;
const int min_height_needed = 8;
const float min_width_percent = 0.5;
const int min_width_absolute = 50;
/* Titlebar can't be offscreen if there is no titlebar... */
if (!window->frame)
return TRUE;
/* Get the rectangle corresponding to the titlebar */
meta_window_get_frame_rect (window, &titlebar_rect);
titlebar_rect.height = window->frame->child_y;
/* Run through the spanning rectangles for the screen and see if one of
* them overlaps with the titlebar sufficiently to consider it onscreen.
*/
is_onscreen = FALSE;
onscreen_region = window->screen->active_workspace->screen_region;
while (onscreen_region)
{
MetaRectangle *spanning_rect = onscreen_region->data;
MetaRectangle overlap;
meta_rectangle_intersect (&titlebar_rect, spanning_rect, &overlap);
if (overlap.height > MIN (titlebar_rect.height, min_height_needed) &&
overlap.width > MIN (titlebar_rect.width * min_width_percent,
min_width_absolute))
{
is_onscreen = TRUE;
break;
}
onscreen_region = onscreen_region->next;
}
return is_onscreen;
}
static double
timeval_to_ms (const GTimeVal *timeval)
{
return (timeval->tv_sec * G_USEC_PER_SEC + timeval->tv_usec) / 1000.0;
}
static double
time_diff (const GTimeVal *first,
const GTimeVal *second)
{
double first_ms = timeval_to_ms (first);
double second_ms = timeval_to_ms (second);
return first_ms - second_ms;
}
static gboolean
check_moveresize_frequency (MetaWindow *window,
gdouble *remaining)
{
GTimeVal current_time;
const double max_resizes_per_second = 25.0;
const double ms_between_resizes = 1000.0 / max_resizes_per_second;
double elapsed;
g_get_current_time (&current_time);
/* If we are throttling via _NET_WM_SYNC_REQUEST, we don't need
* an artificial timeout-based throttled */
if (!window->disable_sync &&
window->sync_request_alarm != None)
return TRUE;
elapsed = time_diff (&current_time, &window->display->grab_last_moveresize_time);
if (elapsed >= 0.0 && elapsed < ms_between_resizes)
{
meta_topic (META_DEBUG_RESIZING,
"Delaying move/resize as only %g of %g ms elapsed\n",
elapsed, ms_between_resizes);
if (remaining)
*remaining = (ms_between_resizes - elapsed);
return FALSE;
}
meta_topic (META_DEBUG_RESIZING,
" Checked moveresize freq, allowing move/resize now (%g of %g seconds elapsed)\n",
elapsed / 1000.0, 1.0 / max_resizes_per_second);
return TRUE;
}
static gboolean
update_move_timeout (gpointer data)
{
MetaWindow *window = data;
update_move (window,
window->display->grab_last_user_action_was_snap,
window->display->grab_latest_motion_x,
window->display->grab_latest_motion_y);
return FALSE;
}
static void
update_move (MetaWindow *window,
gboolean snap,
int x,
int y)
{
int dx, dy;
int new_x, new_y;
MetaRectangle old;
int shake_threshold;
MetaDisplay *display = window->display;
display->grab_latest_motion_x = x;
display->grab_latest_motion_y = y;
dx = x - display->grab_anchor_root_x;
dy = y - display->grab_anchor_root_y;
new_x = display->grab_anchor_window_pos.x + dx;
new_y = display->grab_anchor_window_pos.y + dy;
meta_verbose ("x,y = %d,%d anchor ptr %d,%d anchor pos %d,%d dx,dy %d,%d\n",
x, y,
display->grab_anchor_root_x,
display->grab_anchor_root_y,
display->grab_anchor_window_pos.x,
display->grab_anchor_window_pos.y,
dx, dy);
/* Don't bother doing anything if no move has been specified. (This
* happens often, even in keyboard moving, due to the warping of the
* pointer.
*/
if (dx == 0 && dy == 0)
return;
/* Originally for detaching maximized windows, but we use this
* for the zones at the sides of the monitor where trigger tiling
* because it's about the right size
*/
#define DRAG_THRESHOLD_TO_SHAKE_THRESHOLD_FACTOR 6
shake_threshold = meta_ui_get_drag_threshold (window->screen->ui) *
DRAG_THRESHOLD_TO_SHAKE_THRESHOLD_FACTOR;
if (snap)
{
/* We don't want to tile while snapping. Also, clear any previous tile
request. */
window->tile_mode = META_TILE_NONE;
window->tile_monitor_number = -1;
}
else if (meta_prefs_get_edge_tiling () &&
!META_WINDOW_MAXIMIZED (window) &&
!META_WINDOW_TILED_SIDE_BY_SIDE (window))
{
const MetaMonitorInfo *monitor;
MetaRectangle work_area;
/* For side-by-side tiling we are interested in the inside vertical
* edges of the work area of the monitor where the pointer is located,
* and in the outside top edge for maximized tiling.
*
* For maximized tiling we use the outside edge instead of the
* inside edge, because we don't want to force users to maximize
* windows they are placing near the top of their screens.
*
* The "current" idea of meta_window_get_work_area_current_monitor() and
* meta_screen_get_current_monitor() is slightly different: the former
* refers to the monitor which contains the largest part of the window,
* the latter to the one where the pointer is located.
*/
monitor = meta_screen_get_current_monitor_info_for_pos (window->screen, x, y);
meta_window_get_work_area_for_monitor (window,
monitor->number,
&work_area);
/* Check if the cursor is in a position which triggers tiling
* and set tile_mode accordingly.
*/
if (meta_window_can_tile_side_by_side (window) &&
x >= monitor->rect.x && x < (work_area.x + shake_threshold))
window->tile_mode = META_TILE_LEFT;
else if (meta_window_can_tile_side_by_side (window) &&
x >= work_area.x + work_area.width - shake_threshold &&
x < (monitor->rect.x + monitor->rect.width))
window->tile_mode = META_TILE_RIGHT;
else if (meta_window_can_tile_maximized (window) &&
y >= monitor->rect.y && y <= work_area.y)
window->tile_mode = META_TILE_MAXIMIZED;
else
window->tile_mode = META_TILE_NONE;
if (window->tile_mode != META_TILE_NONE)
window->tile_monitor_number = monitor->number;
}
/* shake loose (unmaximize) maximized or tiled window if dragged beyond
* the threshold in the Y direction. Tiled windows can also be pulled
* loose via X motion.
*/
if ((META_WINDOW_MAXIMIZED (window) && ABS (dy) >= shake_threshold) ||
(META_WINDOW_TILED_SIDE_BY_SIDE (window) && (MAX (ABS (dx), ABS (dy)) >= shake_threshold)))
{
double prop;
/* Shake loose, so that the window snaps back to maximized
* when dragged near the top; do not snap back if tiling
* is enabled, as top edge tiling can be used in that case
*/
window->shaken_loose = !meta_prefs_get_edge_tiling ();
window->tile_mode = META_TILE_NONE;
/* move the unmaximized window to the cursor */
prop =
((double)(x - display->grab_initial_window_pos.x)) /
((double)display->grab_initial_window_pos.width);
display->grab_initial_window_pos.x =
x - window->saved_rect.width * prop;
display->grab_initial_window_pos.y = y;
if (window->frame)
{
display->grab_initial_window_pos.y += window->frame->child_y / 2;
}
window->saved_rect.x = display->grab_initial_window_pos.x;
window->saved_rect.y = display->grab_initial_window_pos.y;
display->grab_anchor_root_x = x;
display->grab_anchor_root_y = y;
meta_window_unmaximize (window, META_MAXIMIZE_BOTH);
return;
}
/* remaximize window on another monitor if window has been shaken
* loose or it is still maximized (then move straight)
*/
else if ((window->shaken_loose || META_WINDOW_MAXIMIZED (window)) &&
window->tile_mode != META_TILE_LEFT && window->tile_mode != META_TILE_RIGHT)
{
const MetaMonitorInfo *wmonitor;
MetaRectangle work_area;
int monitor;
window->tile_mode = META_TILE_NONE;
wmonitor = meta_screen_get_monitor_for_window (window->screen, window);
for (monitor = 0; monitor < window->screen->n_monitor_infos; monitor++)
{
meta_window_get_work_area_for_monitor (window, monitor, &work_area);
/* check if cursor is near the top of a monitor work area */
if (x >= work_area.x &&
x < (work_area.x + work_area.width) &&
y >= work_area.y &&
y < (work_area.y + shake_threshold))
{
/* move the saved rect if window will become maximized on an
* other monitor so user isn't surprised on a later unmaximize
*/
if (wmonitor->number != monitor)
{
window->saved_rect.x = work_area.x;
window->saved_rect.y = work_area.y;
if (window->frame)
{
window->saved_rect.x += window->frame->child_x;
window->saved_rect.y += window->frame->child_y;
}
window->unconstrained_rect.x = window->saved_rect.x;
window->unconstrained_rect.y = window->saved_rect.y;
meta_window_unmaximize (window, META_MAXIMIZE_BOTH);
}
display->grab_initial_window_pos = work_area;
display->grab_anchor_root_x = x;
display->grab_anchor_root_y = y;
window->shaken_loose = FALSE;
meta_window_maximize (window, META_MAXIMIZE_BOTH);
return;
}
}
}
/* Delay showing the tile preview slightly to make it more unlikely to
* trigger it unwittingly, e.g. when shaking loose the window or moving
* it to another monitor.
*/
meta_screen_update_tile_preview (window->screen,
window->tile_mode != META_TILE_NONE);
meta_window_get_client_root_coords (window, &old);
/* Don't allow movement in the maximized directions or while tiled */
if (window->maximized_horizontally || META_WINDOW_TILED_SIDE_BY_SIDE (window))
new_x = old.x;
if (window->maximized_vertically)
new_y = old.y;
/* Do any edge resistance/snapping */
meta_window_edge_resistance_for_move (window,
old.x,
old.y,
&new_x,
&new_y,
update_move_timeout,
snap,
FALSE);
meta_window_move (window, TRUE, new_x, new_y);
}
/* When resizing a maximized window by using alt-middle-drag (resizing
* with the grips or the menu for a maximized window is not enabled),
* the user can "break" out of the maximized state. This checks for
* that possibility. During such a break-out resize the user can also
* return to the previous maximization state by resizing back to near
* the original size.
*/
static MetaMaximizeFlags
check_resize_unmaximize(MetaWindow *window,
int dx,
int dy)
{
int threshold;
MetaMaximizeFlags new_unmaximize;
#define DRAG_THRESHOLD_TO_RESIZE_THRESHOLD_FACTOR 3
threshold = meta_ui_get_drag_threshold (window->screen->ui) *
DRAG_THRESHOLD_TO_RESIZE_THRESHOLD_FACTOR;
new_unmaximize = 0;
if (window->maximized_horizontally ||
window->tile_mode != META_TILE_NONE ||
(window->display->grab_resize_unmaximize & META_MAXIMIZE_HORIZONTAL) != 0)
{
int x_amount;
/* We allow breaking out of maximization in either direction, to make
* the window larger than the monitor as well as smaller than the
* monitor. If we wanted to only allow resizing smaller than the
* monitor, we'd use - dx for NE/E/SE and dx for SW/W/NW.
*/
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_KEYBOARD_RESIZING_E:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_KEYBOARD_RESIZING_W:
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
x_amount = dx < 0 ? - dx : dx;
break;
default:
x_amount = 0;
break;
}
if (x_amount > threshold)
new_unmaximize |= META_MAXIMIZE_HORIZONTAL;
}
if (window->maximized_vertically ||
(window->display->grab_resize_unmaximize & META_MAXIMIZE_VERTICAL) != 0)
{
int y_amount;
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_KEYBOARD_RESIZING_N:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_KEYBOARD_RESIZING_S:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
y_amount = dy < 0 ? - dy : dy;
break;
default:
y_amount = 0;
break;
}
if (y_amount > threshold)
new_unmaximize |= META_MAXIMIZE_VERTICAL;
}
/* Metacity doesn't have a full user interface for only horizontally or
* vertically maximized, so while only unmaximizing in the direction drags
* has some advantages, it will also confuse the user. So, we always
* unmaximize both ways if possible.
*/
if (new_unmaximize != 0)
{
new_unmaximize = 0;
if (window->maximized_horizontally ||
(window->display->grab_resize_unmaximize & META_MAXIMIZE_HORIZONTAL) != 0)
new_unmaximize |= META_MAXIMIZE_HORIZONTAL;
if (window->maximized_vertically ||
(window->display->grab_resize_unmaximize & META_MAXIMIZE_VERTICAL) != 0)
new_unmaximize |= META_MAXIMIZE_VERTICAL;
}
return new_unmaximize;
}
static gboolean
update_resize_timeout (gpointer data)
{
MetaWindow *window = data;
update_resize (window,
window->display->grab_last_user_action_was_snap,
window->display->grab_latest_motion_x,
window->display->grab_latest_motion_y,
TRUE);
return FALSE;
}
static void
update_resize (MetaWindow *window,
gboolean snap,
int x, int y,
gboolean force)
{
int dx, dy;
int new_w, new_h;
int gravity;
MetaRectangle old;
double remaining;
MetaMaximizeFlags new_unmaximize;
window->display->grab_latest_motion_x = x;
window->display->grab_latest_motion_y = y;
dx = x - window->display->grab_anchor_root_x;
dy = y - window->display->grab_anchor_root_y;
/* Attached modal dialogs are special in that size
* changes apply to both sides, so that the dialog
* remains centered to the parent.
*/
if (meta_window_is_attached_dialog (window))
{
dx *= 2;
dy *= 2;
}
new_w = window->display->grab_anchor_window_pos.width;
new_h = window->display->grab_anchor_window_pos.height;
/* Don't bother doing anything if no move has been specified. (This
* happens often, even in keyboard resizing, due to the warping of the
* pointer.
*/
if (dx == 0 && dy == 0)
return;
if (window->display->grab_op == META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN)
{
if ((dx > 0) && (dy > 0))
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_SE;
meta_window_update_keyboard_resize (window, TRUE);
}
else if ((dx < 0) && (dy > 0))
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_SW;
meta_window_update_keyboard_resize (window, TRUE);
}
else if ((dx > 0) && (dy < 0))
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_NE;
meta_window_update_keyboard_resize (window, TRUE);
}
else if ((dx < 0) && (dy < 0))
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_NW;
meta_window_update_keyboard_resize (window, TRUE);
}
else if (dx < 0)
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_W;
meta_window_update_keyboard_resize (window, TRUE);
}
else if (dx > 0)
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_E;
meta_window_update_keyboard_resize (window, TRUE);
}
else if (dy > 0)
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_S;
meta_window_update_keyboard_resize (window, TRUE);
}
else if (dy < 0)
{
window->display->grab_op = META_GRAB_OP_KEYBOARD_RESIZING_N;
meta_window_update_keyboard_resize (window, TRUE);
}
}
new_unmaximize = check_resize_unmaximize (window, dx, dy);
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_E:
new_w += dx;
break;
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_W:
new_w -= dx;
break;
default:
break;
}
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
case META_GRAB_OP_KEYBOARD_RESIZING_S:
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
new_h += dy;
break;
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_KEYBOARD_RESIZING_N:
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
new_h -= dy;
break;
default:
break;
}
/* If we're waiting for a request for _NET_WM_SYNC_REQUEST, we'll
* resize the window when the window responds, or when we time
* the response out.
*/
if (window->sync_request_timeout_id != 0)
return;
if (!check_moveresize_frequency (window, &remaining) && !force)
{
/* we are ignoring an event here, so we schedule a
* compensation event when we would otherwise not ignore
* an event. Otherwise we can become stuck if the user never
* generates another event.
*/
if (!window->display->grab_resize_timeout_id)
{
window->display->grab_resize_timeout_id =
g_timeout_add ((int)remaining, update_resize_timeout, window);
g_source_set_name_by_id (window->display->grab_resize_timeout_id,
"[mutter] update_resize_timeout");
}
return;
}
/* Remove any scheduled compensation events */
if (window->display->grab_resize_timeout_id)
{
g_source_remove (window->display->grab_resize_timeout_id);
window->display->grab_resize_timeout_id = 0;
}
old = window->rect; /* Don't actually care about x,y */
/* One sided resizing ought to actually be one-sided, despite the fact that
* aspect ratio windows don't interact nicely with the above stuff. So,
* to avoid some nasty flicker, we enforce that.
*/
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_N:
new_w = old.width;
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_RESIZING_W:
new_h = old.height;
break;
default:
break;
}
/* compute gravity of client during operation */
gravity = meta_resize_gravity_from_grab_op (window->display->grab_op);
g_assert (gravity >= 0);
/* Do any edge resistance/snapping */
meta_window_edge_resistance_for_resize (window,
old.width,
old.height,
&new_w,
&new_h,
gravity,
update_resize_timeout,
snap,
FALSE);
if (new_unmaximize == window->display->grab_resize_unmaximize)
{
/* We don't need to update unless the specified width and height
* are actually different from what we had before.
*/
if (old.width != new_w || old.height != new_h)
{
meta_window_resize_with_gravity (window, TRUE, new_w, new_h, gravity);
}
}
else
{
if ((new_unmaximize & ~window->display->grab_resize_unmaximize) != 0)
{
meta_window_unmaximize_with_gravity (window,
(new_unmaximize & ~window->display->grab_resize_unmaximize),
new_w, new_h, gravity);
}
if ((window->display->grab_resize_unmaximize & ~new_unmaximize))
{
MetaRectangle saved_rect = window->saved_rect;
meta_window_maximize (window,
(window->display->grab_resize_unmaximize & ~new_unmaximize));
window->saved_rect = saved_rect;
}
}
window->display->grab_resize_unmaximize = new_unmaximize;
/* Store the latest resize time, if we actually resized. */
if (window->rect.width != old.width || window->rect.height != old.height)
g_get_current_time (&window->display->grab_last_moveresize_time);
}
static void
update_tile_mode (MetaWindow *window)
{
switch (window->tile_mode)
{
case META_TILE_LEFT:
case META_TILE_RIGHT:
if (!META_WINDOW_TILED_SIDE_BY_SIDE (window))
window->tile_mode = META_TILE_NONE;
break;
case META_TILE_MAXIMIZED:
if (!META_WINDOW_MAXIMIZED (window))
window->tile_mode = META_TILE_NONE;
break;
}
}
void
meta_window_update_resize (MetaWindow *window,
gboolean snap,
int x, int y,
gboolean force)
{
update_resize (window, snap, x, y, force);
}
static void
end_grab_op (MetaWindow *window,
const ClutterEvent *event)
{
meta_display_check_threshold_reached (window->display,
event->button.x,
event->button.y);
/* If the user was snap moving then ignore the button
* release because they may have let go of shift before
* releasing the mouse button and they almost certainly do
* not want a non-snapped movement to occur from the button
* release.
*/
if (!window->display->grab_last_user_action_was_snap)
{
if (meta_grab_op_is_moving (window->display->grab_op))
{
if (window->tile_mode != META_TILE_NONE)
meta_window_tile (window);
else
update_move (window,
event->button.modifier_state & CLUTTER_SHIFT_MASK,
event->button.x,
event->button.y);
}
else if (meta_grab_op_is_resizing (window->display->grab_op))
{
update_resize (window,
event->button.modifier_state & CLUTTER_SHIFT_MASK,
event->button.x,
event->button.y,
TRUE);
/* If a tiled window has been dragged free with a
* mouse resize without snapping back to the tiled
* state, it will end up with an inconsistent tile
* mode on mouse release; cleaning the mode earlier
* would break the ability to snap back to the tiled
* state, so we wait until mouse release.
*/
update_tile_mode (window);
}
}
meta_display_end_grab_op (window->display, event->any.time);
}
gboolean
meta_window_handle_mouse_grab_op_event (MetaWindow *window,
const ClutterEvent *event)
{
switch (event->type)
{
case CLUTTER_BUTTON_PRESS:
/* This is the keybinding or menu case where we've
* been dragging around the window without the button
* pressed. */
if ((meta_grab_op_is_mouse (window->display->grab_op) &&
(event->button.modifier_state & window->display->window_grab_modifiers) &&
window->display->grab_button != (int) event->button.button) ||
meta_grab_op_is_keyboard (window->display->grab_op))
{
end_grab_op (window, event);
return FALSE;
}
return TRUE;
case CLUTTER_BUTTON_RELEASE:
if (event->button.button == 1 ||
event->button.button == (unsigned int) meta_prefs_get_mouse_button_resize ())
{
end_grab_op (window, event);
return FALSE;
}
return TRUE;
case CLUTTER_MOTION:
meta_display_check_threshold_reached (window->display,
event->motion.x,
event->motion.y);
if (meta_grab_op_is_moving (window->display->grab_op))
{
update_move (window,
event->button.modifier_state & CLUTTER_SHIFT_MASK,
event->motion.x,
event->motion.y);
}
else if (meta_grab_op_is_resizing (window->display->grab_op))
{
update_resize (window,
event->button.modifier_state & CLUTTER_SHIFT_MASK,
event->motion.x,
event->motion.y,
FALSE);
}
return TRUE;
default:
return FALSE;
}
}
static void
get_work_area_monitor (MetaWindow *window,
MetaRectangle *area,
int which_monitor)
{
GList *tmp;
g_assert (which_monitor >= 0);
/* Initialize to the whole monitor */
*area = window->screen->monitor_infos[which_monitor].rect;
tmp = meta_window_get_workspaces (window);
while (tmp != NULL)
{
MetaRectangle workspace_work_area;
meta_workspace_get_work_area_for_monitor (tmp->data,
which_monitor,
&workspace_work_area);
meta_rectangle_intersect (area,
&workspace_work_area,
area);
tmp = tmp->next;
}
meta_topic (META_DEBUG_WORKAREA,
"Window %s monitor %d has work area %d,%d %d x %d\n",
window->desc, which_monitor,
area->x, area->y, area->width, area->height);
}
/**
* meta_window_get_work_area_current_monitor:
* @window: a #MetaWindow
* @area: (out): a location to store the work area
*
* Get the work area for the monitor @window is currently on.
*/
void
meta_window_get_work_area_current_monitor (MetaWindow *window,
MetaRectangle *area)
{
const MetaMonitorInfo *monitor = NULL;
monitor = meta_screen_get_monitor_for_window (window->screen,
window);
meta_window_get_work_area_for_monitor (window,
monitor->number,
area);
}
/**
* meta_window_get_work_area_for_monitor:
* @window: a #MetaWindow
* @which_monitor: a moniotr to get the work area for
* @area: (out): a location to store the work area
*
* Get the work area for @window, given the monitor index
* @which_monitor.
*/
void
meta_window_get_work_area_for_monitor (MetaWindow *window,
int which_monitor,
MetaRectangle *area)
{
g_return_if_fail (which_monitor >= 0);
get_work_area_monitor (window,
area,
which_monitor);
}
/**
* meta_window_get_work_area_all_monitors:
* @window: a #MetaWindow
* @area: (out): a location to store the work area
*
* Get the work area for all monitors for @window.
*/
void
meta_window_get_work_area_all_monitors (MetaWindow *window,
MetaRectangle *area)
{
GList *tmp;
/* Initialize to the whole screen */
*area = window->screen->rect;
tmp = meta_window_get_workspaces (window);
while (tmp != NULL)
{
MetaRectangle workspace_work_area;
meta_workspace_get_work_area_all_monitors (tmp->data,
&workspace_work_area);
meta_rectangle_intersect (area,
&workspace_work_area,
area);
tmp = tmp->next;
}
meta_topic (META_DEBUG_WORKAREA,
"Window %s has whole-screen work area %d,%d %d x %d\n",
window->desc, area->x, area->y, area->width, area->height);
}
int
meta_window_get_current_tile_monitor_number (MetaWindow *window)
{
int tile_monitor_number = window->tile_monitor_number;
if (tile_monitor_number < 0)
{
meta_warning ("%s called with an invalid monitor number; using 0 instead\n", G_STRFUNC);
tile_monitor_number = 0;
}
return tile_monitor_number;
}
void
meta_window_get_current_tile_area (MetaWindow *window,
MetaRectangle *tile_area)
{
int tile_monitor_number;
g_return_if_fail (window->tile_mode != META_TILE_NONE);
tile_monitor_number = meta_window_get_current_tile_monitor_number (window);
meta_window_get_work_area_for_monitor (window, tile_monitor_number, tile_area);
if (window->tile_mode == META_TILE_LEFT ||
window->tile_mode == META_TILE_RIGHT)
tile_area->width /= 2;
if (window->tile_mode == META_TILE_RIGHT)
tile_area->x += tile_area->width;
}
gboolean
meta_window_same_application (MetaWindow *window,
MetaWindow *other_window)
{
MetaGroup *group = meta_window_get_group (window);
MetaGroup *other_group = meta_window_get_group (other_window);
return
group!=NULL &&
other_group!=NULL &&
group==other_group;
}
/**
* meta_window_is_client_decorated:
*
* Check if if the window has decorations drawn by the client.
* (window->decorated refers only to whether we should add decorations)
*/
gboolean
meta_window_is_client_decorated (MetaWindow *window)
{
if (window->client_type == META_WINDOW_CLIENT_TYPE_WAYLAND)
{
/* Assume all Wayland clients draw decorations - not strictly
* true but good enough for current purposes.
*/
return TRUE;
}
else
{
/* Currently the implementation here is hackish -
* has_custom_frame_extents() is set if _GTK_FRAME_EXTENTS is set
* to any value even 0. GTK+ always sets _GTK_FRAME_EXTENTS for
* client-side-decorated window, even if the value is 0 because
* the window is maxized and has no invisible borders or shadows.
*/
return window->has_custom_frame_extents;
}
}
/**
* meta_window_foreach_transient:
* @window: a #MetaWindow
* @func: (scope call) (closure user_data): Called for each window which is a transient of @window (transitively)
* @user_data: User data
*
* Call @func for every window which is either transient for @window, or is
* a transient of a window which is in turn transient for @window.
* The order of window enumeration is not defined.
*
* Iteration will stop if @func at any point returns %FALSE.
*/
void
meta_window_foreach_transient (MetaWindow *window,
MetaWindowForeachFunc func,
void *user_data)
{
GSList *windows;
GSList *tmp;
windows = meta_display_list_windows (window->display, META_LIST_DEFAULT);
tmp = windows;
while (tmp != NULL)
{
MetaWindow *transient = tmp->data;
if (meta_window_is_ancestor_of_transient (window, transient))
{
if (!(* func) (transient, user_data))
break;
}
tmp = tmp->next;
}
g_slist_free (windows);
}
/**
* meta_window_foreach_ancestor:
* @window: a #MetaWindow
* @func: (scope call) (closure user_data): Called for each window which is a transient parent of @window
* @user_data: User data
*
* If @window is transient, call @func with the window for which it's transient,
* repeatedly until either we find a non-transient window, or @func returns %FALSE.
*/
void
meta_window_foreach_ancestor (MetaWindow *window,
MetaWindowForeachFunc func,
void *user_data)
{
MetaWindow *w;
w = window;
do
{
if (w->transient_for == NULL)
break;
w = w->transient_for;
}
while (w && (* func) (w, user_data));
}
typedef struct
{
MetaWindow *ancestor;
gboolean found;
} FindAncestorData;
static gboolean
find_ancestor_func (MetaWindow *window,
void *data)
{
FindAncestorData *d = data;
if (window == d->ancestor)
{
d->found = TRUE;
return FALSE;
}
return TRUE;
}
/**
* meta_window_is_ancestor_of_transient:
* @window: a #MetaWindow
* @transient: a #MetaWindow
*
* The function determines whether @window is an ancestor of @transient; it does
* so by traversing the @transient's ancestors until it either locates @window
* or reaches an ancestor that is not transient.
*
* Return Value: (transfer none): %TRUE if window is an ancestor of transient.
*/
gboolean
meta_window_is_ancestor_of_transient (MetaWindow *window,
MetaWindow *transient)
{
FindAncestorData d;
d.ancestor = window;
d.found = FALSE;
meta_window_foreach_ancestor (transient, find_ancestor_func, &d);
return d.found;
}
/* Warp pointer to location appropriate for grab,
* return root coordinates where pointer ended up.
*/
static gboolean
warp_grab_pointer (MetaWindow *window,
MetaGrabOp grab_op,
int *x,
int *y)
{
MetaRectangle rect;
MetaDisplay *display;
display = window->display;
/* We may not have done begin_grab_op yet, i.e. may not be in a grab
*/
meta_window_get_frame_rect (window, &rect);
switch (grab_op)
{
case META_GRAB_OP_KEYBOARD_MOVING:
case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN:
*x = rect.width / 2;
*y = rect.height / 2;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_S:
*x = rect.width / 2;
*y = rect.height - 1;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_N:
*x = rect.width / 2;
*y = 0;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_W:
*x = 0;
*y = rect.height / 2;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_E:
*x = rect.width - 1;
*y = rect.height / 2;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_SE:
*x = rect.width - 1;
*y = rect.height - 1;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_NE:
*x = rect.width - 1;
*y = 0;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_SW:
*x = 0;
*y = rect.height - 1;
break;
case META_GRAB_OP_KEYBOARD_RESIZING_NW:
*x = 0;
*y = 0;
break;
default:
return FALSE;
}
*x += rect.x;
*y += rect.y;
/* Avoid weird bouncing at the screen edge; see bug 154706 */
*x = CLAMP (*x, 0, window->screen->rect.width-1);
*y = CLAMP (*y, 0, window->screen->rect.height-1);
meta_error_trap_push (display);
meta_topic (META_DEBUG_WINDOW_OPS,
"Warping pointer to %d,%d with window at %d,%d\n",
*x, *y, rect.x, rect.y);
/* Need to update the grab positions so that the MotionNotify and other
* events generated by the XWarpPointer() call below don't cause complete
* funkiness. See bug 124582 and bug 122670.
*/
display->grab_anchor_root_x = *x;
display->grab_anchor_root_y = *y;
display->grab_latest_motion_x = *x;
display->grab_latest_motion_y = *y;
meta_window_get_client_root_coords (window,
&display->grab_anchor_window_pos);
{
MetaBackend *backend = meta_get_backend ();
meta_backend_warp_pointer (backend, *x, *y);
}
if (meta_error_trap_pop_with_return (display) != Success)
{
meta_verbose ("Failed to warp pointer for window %s\n",
window->desc);
return FALSE;
}
return TRUE;
}
void
meta_window_begin_grab_op (MetaWindow *window,
MetaGrabOp op,
gboolean frame_action,
guint32 timestamp)
{
int x, y;
warp_grab_pointer (window,
op, &x, &y);
meta_display_begin_grab_op (window->display,
window->screen,
window,
op,
FALSE,
frame_action,
0 /* button */,
0,
timestamp,
x, y);
}
void
meta_window_update_keyboard_resize (MetaWindow *window,
gboolean update_cursor)
{
int x, y;
warp_grab_pointer (window,
window->display->grab_op,
&x, &y);
if (update_cursor)
meta_display_update_cursor (window->display);
}
void
meta_window_update_keyboard_move (MetaWindow *window)
{
int x, y;
warp_grab_pointer (window,
window->display->grab_op,
&x, &y);
}
void
meta_window_update_layer (MetaWindow *window)
{
MetaGroup *group;
meta_stack_freeze (window->screen->stack);
group = meta_window_get_group (window);
if (group)
meta_group_update_layers (group);
else
meta_stack_update_layer (window->screen->stack, window);
meta_stack_thaw (window->screen->stack);
}
/* ensure_mru_position_after ensures that window appears after
* below_this_one in the active_workspace's mru_list (i.e. it treats
* window as having been less recently used than below_this_one)
*/
static void
ensure_mru_position_after (MetaWindow *window,
MetaWindow *after_this_one)
{
/* This is sort of slow since it runs through the entire list more
* than once (especially considering the fact that we expect the
* windows of interest to be the first two elements in the list),
* but it doesn't matter while we're only using it on new window
* map.
*/
GList* active_mru_list;
GList* window_position;
GList* after_this_one_position;
active_mru_list = window->screen->active_workspace->mru_list;
window_position = g_list_find (active_mru_list, window);
after_this_one_position = g_list_find (active_mru_list, after_this_one);
/* after_this_one_position is NULL when we switch workspaces, but in
* that case we don't need to do any MRU shuffling so we can simply
* return.
*/
if (after_this_one_position == NULL)
return;
if (g_list_length (window_position) > g_list_length (after_this_one_position))
{
window->screen->active_workspace->mru_list =
g_list_delete_link (window->screen->active_workspace->mru_list,
window_position);
window->screen->active_workspace->mru_list =
g_list_insert_before (window->screen->active_workspace->mru_list,
after_this_one_position->next,
window);
}
}
void
meta_window_stack_just_below (MetaWindow *window,
MetaWindow *below_this_one)
{
g_return_if_fail (window != NULL);
g_return_if_fail (below_this_one != NULL);
if (window->stack_position > below_this_one->stack_position)
{
meta_topic (META_DEBUG_STACK,
"Setting stack position of window %s to %d (making it below window %s).\n",
window->desc,
below_this_one->stack_position,
below_this_one->desc);
meta_window_set_stack_position (window, below_this_one->stack_position);
}
else
{
meta_topic (META_DEBUG_STACK,
"Window %s was already below window %s.\n",
window->desc, below_this_one->desc);
}
}
/**
* meta_window_get_user_time:
* @window: a #MetaWindow
*
* The user time represents a timestamp for the last time the user
* interacted with this window. Note this property is only available
* for non-override-redirect windows.
*
* The property is set by Mutter initially upon window creation,
* and updated thereafter on input events (key and button presses) seen by Mutter,
* client updates to the _NET_WM_USER_TIME property (if later than the current time)
* and when focusing the window.
*
* Returns: The last time the user interacted with this window.
*/
guint32
meta_window_get_user_time (MetaWindow *window)
{
return window->net_wm_user_time;
}
void
meta_window_set_user_time (MetaWindow *window,
guint32 timestamp)
{
/* FIXME: If Soeren's suggestion in bug 151984 is implemented, it will allow
* us to sanity check the timestamp here and ensure it doesn't correspond to
* a future time.
*/
g_return_if_fail (!window->override_redirect);
/* Only update the time if this timestamp is newer... */
if (window->net_wm_user_time_set &&
XSERVER_TIME_IS_BEFORE (timestamp, window->net_wm_user_time))
{
meta_topic (META_DEBUG_STARTUP,
"Window %s _NET_WM_USER_TIME not updated to %u, because it "
"is less than %u\n",
window->desc, timestamp, window->net_wm_user_time);
}
else
{
meta_topic (META_DEBUG_STARTUP,
"Window %s has _NET_WM_USER_TIME of %u\n",
window->desc, timestamp);
window->net_wm_user_time_set = TRUE;
window->net_wm_user_time = timestamp;
if (XSERVER_TIME_IS_BEFORE (window->display->last_user_time, timestamp))
window->display->last_user_time = timestamp;
/* If this is a terminal, user interaction with it means the user likely
* doesn't want to have focus transferred for now due to new windows.
*/
if (meta_prefs_get_focus_new_windows () == G_DESKTOP_FOCUS_NEW_WINDOWS_STRICT &&
window_is_terminal (window))
window->display->allow_terminal_deactivation = FALSE;
}
g_object_notify (G_OBJECT (window), "user-time");
}
/**
* meta_window_get_stable_sequence:
* @window: A #MetaWindow
*
* The stable sequence number is a monotonicially increasing
* unique integer assigned to each #MetaWindow upon creation.
*
* This number can be useful for sorting windows in a stable
* fashion.
*
* Returns: Internal sequence number for this window
*/
guint32
meta_window_get_stable_sequence (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), 0);
return window->stable_sequence;
}
/* Sets the demands_attention hint on a window, but only
* if it's at least partially obscured (see #305882).
*/
void
meta_window_set_demands_attention (MetaWindow *window)
{
MetaRectangle candidate_rect, other_rect;
GList *stack = window->screen->stack->sorted;
MetaWindow *other_window;
gboolean obscured = FALSE;
MetaWorkspace *workspace = window->screen->active_workspace;
if (window->wm_state_demands_attention)
return;
if (workspace!=window->workspace)
{
/* windows on other workspaces are necessarily obscured */
obscured = TRUE;
}
else if (window->minimized)
{
obscured = TRUE;
}
else
{
meta_window_get_frame_rect (window, &candidate_rect);
/* The stack is sorted with the top windows first. */
while (stack != NULL && stack->data != window)
{
other_window = stack->data;
stack = stack->next;
if (meta_window_located_on_workspace (other_window, window->workspace))
{
meta_window_get_frame_rect (other_window, &other_rect);
if (meta_rectangle_overlap (&candidate_rect, &other_rect))
{
obscured = TRUE;
break;
}
}
}
}
if (obscured)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Marking %s as needing attention\n",
window->desc);
window->wm_state_demands_attention = TRUE;
set_net_wm_state (window);
g_object_notify (G_OBJECT (window), "demands-attention");
g_signal_emit_by_name (window->display, "window-demands-attention",
window);
}
else
{
/* If the window's in full view, there's no point setting the flag. */
meta_topic (META_DEBUG_WINDOW_OPS,
"Not marking %s as needing attention because "
"it's in full view\n",
window->desc);
}
}
void
meta_window_unset_demands_attention (MetaWindow *window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Marking %s as not needing attention\n", window->desc);
if (window->wm_state_demands_attention)
{
window->wm_state_demands_attention = FALSE;
set_net_wm_state (window);
g_object_notify (G_OBJECT (window), "demands-attention");
}
}
/**
* meta_window_get_frame: (skip)
* @window: a #MetaWindow
*
*/
MetaFrame *
meta_window_get_frame (MetaWindow *window)
{
return window->frame;
}
/**
* meta_window_appears_focused:
* @window: a #MetaWindow
*
* Determines if the window should be drawn with a focused appearance. This is
* true for focused windows but also true for windows with a focused modal
* dialog attached.
*
* Return value: %TRUE if the window should be drawn with a focused frame
*/
gboolean
meta_window_appears_focused (MetaWindow *window)
{
return window->has_focus || (window->attached_focus_window != NULL);
}
gboolean
meta_window_has_focus (MetaWindow *window)
{
return window->has_focus;
}
gboolean
meta_window_is_shaded (MetaWindow *window)
{
return window->shaded;
}
/**
* meta_window_is_override_redirect:
* @window: A #MetaWindow
*
* Returns: %TRUE if this window isn't managed by mutter; it will
* control its own positioning and mutter won't draw decorations
* among other things. In X terminology this is "override redirect".
*/
gboolean
meta_window_is_override_redirect (MetaWindow *window)
{
return window->override_redirect;
}
/**
* meta_window_is_skip_taskbar:
* @window: A #MetaWindow
*
* Gets whether this window should be ignored by task lists.
*
* Return value: %TRUE if the skip bar hint is set.
*/
gboolean
meta_window_is_skip_taskbar (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), FALSE);
return window->skip_taskbar;
}
/**
* meta_window_get_rect:
* @window: a #MetaWindow
*
* Gets the rectangle that bounds @window, ignoring any window decorations.
*
* Return value: (transfer none): the #MetaRectangle for the window
*/
MetaRectangle *
meta_window_get_rect (MetaWindow *window)
{
return &window->rect;
}
/**
* meta_window_get_screen:
* @window: a #MetaWindow
*
* Gets the #MetaScreen that the window is on.
*
* Return value: (transfer none): the #MetaScreen for the window
*/
MetaScreen *
meta_window_get_screen (MetaWindow *window)
{
return window->screen;
}
/**
* meta_window_get_display:
* @window: A #MetaWindow
*
* Returns: (transfer none): The display for @window
*/
MetaDisplay *
meta_window_get_display (MetaWindow *window)
{
return window->display;
}
/**
* meta_window_get_xwindow: (skip)
* @window: a #MetaWindow
*
*/
Window
meta_window_get_xwindow (MetaWindow *window)
{
return window->xwindow;
}
MetaWindowType
meta_window_get_window_type (MetaWindow *window)
{
return window->type;
}
/**
* meta_window_get_workspace:
* @window: a #MetaWindow
*
* Gets the #MetaWorkspace that the window is currently displayed on.
* If the window is on all workspaces, returns the currently active
* workspace.
*
* Return value: (transfer none): the #MetaWorkspace for the window
*/
MetaWorkspace *
meta_window_get_workspace (MetaWindow *window)
{
if (window->on_all_workspaces)
return window->screen->active_workspace;
return window->workspace;
}
gboolean
meta_window_is_on_all_workspaces (MetaWindow *window)
{
return window->on_all_workspaces;
}
gboolean
meta_window_is_hidden (MetaWindow *window)
{
return window->hidden;
}
const char *
meta_window_get_description (MetaWindow *window)
{
if (!window)
return NULL;
return window->desc;
}
/**
* meta_window_get_wm_class:
* @window: a #MetaWindow
*
* Return the current value of the name part of WM_CLASS X property.
*/
const char *
meta_window_get_wm_class (MetaWindow *window)
{
if (!window)
return NULL;
return window->res_class;
}
/**
* meta_window_get_wm_class_instance:
* @window: a #MetaWindow
*
* Return the current value of the instance part of WM_CLASS X property.
*/
const char *
meta_window_get_wm_class_instance (MetaWindow *window)
{
if (!window)
return NULL;
return window->res_name;
}
/**
* meta_window_get_gtk_theme_variant:
* @window: a #MetaWindow
*
* Return value: (transfer none): the theme variant or %NULL
**/
const char *
meta_window_get_gtk_theme_variant (MetaWindow *window)
{
return window->gtk_theme_variant;
}
/**
* meta_window_get_gtk_application_id:
* @window: a #MetaWindow
*
* Return value: (transfer none): the application ID
**/
const char *
meta_window_get_gtk_application_id (MetaWindow *window)
{
return window->gtk_application_id;
}
/**
* meta_window_get_gtk_unique_bus_name:
* @window: a #MetaWindow
*
* Return value: (transfer none): the unique name
**/
const char *
meta_window_get_gtk_unique_bus_name (MetaWindow *window)
{
return window->gtk_unique_bus_name;
}
/**
* meta_window_get_gtk_application_object_path:
* @window: a #MetaWindow
*
* Return value: (transfer none): the object path
**/
const char *
meta_window_get_gtk_application_object_path (MetaWindow *window)
{
return window->gtk_application_object_path;
}
/**
* meta_window_get_gtk_window_object_path:
* @window: a #MetaWindow
*
* Return value: (transfer none): the object path
**/
const char *
meta_window_get_gtk_window_object_path (MetaWindow *window)
{
return window->gtk_window_object_path;
}
/**
* meta_window_get_gtk_app_menu_object_path:
* @window: a #MetaWindow
*
* Return value: (transfer none): the object path
**/
const char *
meta_window_get_gtk_app_menu_object_path (MetaWindow *window)
{
return window->gtk_app_menu_object_path;
}
/**
* meta_window_get_gtk_menubar_object_path:
* @window: a #MetaWindow
*
* Return value: (transfer none): the object path
**/
const char *
meta_window_get_gtk_menubar_object_path (MetaWindow *window)
{
return window->gtk_menubar_object_path;
}
/**
* meta_window_get_compositor_private:
* @window: a #MetaWindow
*
* Gets the compositor's wrapper object for @window.
*
* Return value: (transfer none): the wrapper object.
**/
GObject *
meta_window_get_compositor_private (MetaWindow *window)
{
if (!window)
return NULL;
return window->compositor_private;
}
void
meta_window_set_compositor_private (MetaWindow *window, GObject *priv)
{
if (!window)
return;
window->compositor_private = priv;
}
const char *
meta_window_get_role (MetaWindow *window)
{
if (!window)
return NULL;
return window->role;
}
/**
* meta_window_get_title:
* @window: a #MetaWindow
*
* Returns: the current title of the window.
*/
const char *
meta_window_get_title (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), NULL);
return window->title;
}
MetaStackLayer
meta_window_get_layer (MetaWindow *window)
{
return window->layer;
}
/**
* meta_window_get_transient_for:
* @window: a #MetaWindow
*
* Returns the #MetaWindow for the window that is pointed to by the
* WM_TRANSIENT_FOR hint on this window (see XGetTransientForHint()
* or XSetTransientForHint()). Metacity keeps transient windows above their
* parents. A typical usage of this hint is for a dialog that wants to stay
* above its associated window.
*
* Return value: (transfer none): the window this window is transient for, or
* %NULL if the WM_TRANSIENT_FOR hint is unset or does not point to a toplevel
* window that Metacity knows about.
*/
MetaWindow *
meta_window_get_transient_for (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), NULL);
if (window->transient_for)
return window->transient_for;
else if (window->xtransient_for)
return meta_display_lookup_x_window (window->display,
window->xtransient_for);
else
return NULL;
}
/**
* meta_window_get_pid:
* @window: a #MetaWindow
*
* Returns pid of the process that created this window, if known (obtained from
* the _NET_WM_PID property).
*
* Return value: (transfer none): the pid, or -1 if not known.
*/
int
meta_window_get_pid (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), -1);
return window->net_wm_pid;
}
/**
* meta_window_get_client_machine:
* @window: a #MetaWindow
*
* Returns name of the client machine from which this windows was created,
* if known (obtained from the WM_CLIENT_MACHINE property).
*
* Return value: (transfer none): the machine name, or NULL; the string is
* owned by the window manager and should not be freed or modified by the
* caller.
*/
const char *
meta_window_get_client_machine (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), NULL);
return window->wm_client_machine;
}
/**
* meta_window_is_remote:
* @window: a #MetaWindow
*
* Returns: %TRUE if this window originates from a host
* different from the one running mutter.
*/
gboolean
meta_window_is_remote (MetaWindow *window)
{
return window->is_remote;
}
/**
* meta_window_get_mutter_hints:
* @window: a #MetaWindow
*
* Gets the current value of the _MUTTER_HINTS property.
*
* The purpose of the hints is to allow fine-tuning of the Window Manager and
* Compositor behaviour on per-window basis, and is intended primarily for
* hints that are plugin-specific.
*
* The property is a list of colon-separated key=value pairs. The key names for
* any plugin-specific hints must be suitably namespaced to allow for shared
* use; 'mutter-' key prefix is reserved for internal use, and must not be used
* by plugins.
*
* Return value: (transfer none): the _MUTTER_HINTS string, or %NULL if no hints
* are set.
*/
const char *
meta_window_get_mutter_hints (MetaWindow *window)
{
g_return_val_if_fail (META_IS_WINDOW (window), NULL);
return window->mutter_hints;
}
/**
* meta_window_get_frame_type:
* @window: a #MetaWindow
*
* Gets the type of window decorations that should be used for this window.
*
* Return value: the frame type
*/
MetaFrameType
meta_window_get_frame_type (MetaWindow *window)
{
MetaFrameType base_type = META_FRAME_TYPE_LAST;
switch (window->type)
{
case META_WINDOW_NORMAL:
base_type = META_FRAME_TYPE_NORMAL;
break;
case META_WINDOW_DIALOG:
base_type = META_FRAME_TYPE_DIALOG;
break;
case META_WINDOW_MODAL_DIALOG:
if (meta_window_is_attached_dialog (window))
base_type = META_FRAME_TYPE_ATTACHED;
else
base_type = META_FRAME_TYPE_MODAL_DIALOG;
break;
case META_WINDOW_MENU:
base_type = META_FRAME_TYPE_MENU;
break;
case META_WINDOW_UTILITY:
base_type = META_FRAME_TYPE_UTILITY;
break;
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_SPLASHSCREEN:
case META_WINDOW_DROPDOWN_MENU:
case META_WINDOW_POPUP_MENU:
case META_WINDOW_TOOLTIP:
case META_WINDOW_NOTIFICATION:
case META_WINDOW_COMBO:
case META_WINDOW_DND:
case META_WINDOW_OVERRIDE_OTHER:
/* No frame */
base_type = META_FRAME_TYPE_LAST;
break;
}
if (base_type == META_FRAME_TYPE_LAST)
{
/* can't add border if undecorated */
return META_FRAME_TYPE_LAST;
}
else if (window->border_only ||
(window->hide_titlebar_when_maximized && META_WINDOW_MAXIMIZED (window)) ||
(window->hide_titlebar_when_maximized && META_WINDOW_TILED_SIDE_BY_SIDE (window)))
{
/* override base frame type */
return META_FRAME_TYPE_BORDER;
}
else
{
return base_type;
}
}
/**
* meta_window_get_frame_bounds:
* @window: a #MetaWindow
*
* Gets a region representing the outer bounds of the window's frame.
*
* Return value: (transfer none) (allow-none): a #cairo_region_t
* holding the outer bounds of the window, or %NULL if the window
* doesn't have a frame.
*/
cairo_region_t *
meta_window_get_frame_bounds (MetaWindow *window)
{
if (!window->frame_bounds)
{
if (window->frame)
window->frame_bounds = meta_frame_get_frame_bounds (window->frame);
}
return window->frame_bounds;
}
/**
* meta_window_is_attached_dialog:
* @window: a #MetaWindow
*
* Tests if @window is should be attached to its parent window.
* (If the "attach_modal_dialogs" option is not enabled, this will
* always return %FALSE.)
*
* Return value: whether @window should be attached to its parent
*/
gboolean
meta_window_is_attached_dialog (MetaWindow *window)
{
return window->attached;
}
/**
* meta_window_get_tile_match:
* @window: a #MetaWindow
*
* Returns the matching tiled window on the same monitor as @window. This is
* the topmost tiled window in a complementary tile mode that is:
*
* - on the same monitor;
* - on the same workspace;
* - spanning the remaining monitor width;
* - there is no 3rd window stacked between both tiled windows that's
* partially visible in the common edge.
*
* Return value: (transfer none) (allow-none): the matching tiled window or
* %NULL if it doesn't exist.
*/
MetaWindow *
meta_window_get_tile_match (MetaWindow *window)
{
return window->tile_match;
}
void
meta_window_compute_tile_match (MetaWindow *window)
{
MetaWindow *match;
MetaStack *stack;
MetaTileMode match_tile_mode = META_TILE_NONE;
window->tile_match = NULL;
if (window->shaded || window->minimized)
return;
if (META_WINDOW_TILED_LEFT (window))
match_tile_mode = META_TILE_RIGHT;
else if (META_WINDOW_TILED_RIGHT (window))
match_tile_mode = META_TILE_LEFT;
else
return;
stack = window->screen->stack;
for (match = meta_stack_get_top (stack);
match;
match = meta_stack_get_below (stack, match, FALSE))
{
if (!match->shaded &&
!match->minimized &&
match->tile_mode == match_tile_mode &&
match->monitor == window->monitor &&
meta_window_get_workspace (match) == meta_window_get_workspace (window))
break;
}
if (match)
{
MetaWindow *above, *bottommost, *topmost;
MetaRectangle above_rect, bottommost_rect, topmost_rect;
if (meta_stack_windows_cmp (window->screen->stack, match, window) > 0)
{
topmost = match;
bottommost = window;
}
else
{
topmost = window;
bottommost = match;
}
meta_window_get_frame_rect (bottommost, &bottommost_rect);
meta_window_get_frame_rect (topmost, &topmost_rect);
/*
* If there's a window stacked in between which is partially visible
* behind the topmost tile we don't consider the tiles to match.
*/
for (above = meta_stack_get_above (stack, bottommost, FALSE);
above && above != topmost;
above = meta_stack_get_above (stack, above, FALSE))
{
if (above->minimized ||
above->monitor != window->monitor ||
meta_window_get_workspace (above) != meta_window_get_workspace (window))
continue;
meta_window_get_frame_rect (above, &above_rect);
if (meta_rectangle_overlap (&above_rect, &bottommost_rect) &&
meta_rectangle_overlap (&above_rect, &topmost_rect))
return;
}
window->tile_match = match;
}
}
void
meta_window_set_title (MetaWindow *window,
const char *title)
{
g_free (window->title);
window->title = g_strdup (title);
if (window->frame)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
meta_window_update_desc (window);
g_object_notify (G_OBJECT (window), "title");
}
void
meta_window_set_wm_class (MetaWindow *window,
const char *wm_class,
const char *wm_instance)
{
g_free (window->res_class);
g_free (window->res_name);
window->res_name = g_strdup (wm_instance);
window->res_class = g_strdup (wm_class);
g_object_notify (G_OBJECT (window), "wm-class");
}
void
meta_window_set_gtk_dbus_properties (MetaWindow *window,
const char *application_id,
const char *unique_bus_name,
const char *appmenu_path,
const char *menubar_path,
const char *application_object_path,
const char *window_object_path)
{
g_object_freeze_notify (G_OBJECT (window));
g_free (window->gtk_application_id);
window->gtk_application_id = g_strdup (application_id);
g_object_notify (G_OBJECT (window), "gtk-application-id");
g_free (window->gtk_unique_bus_name);
window->gtk_unique_bus_name = g_strdup (unique_bus_name);
g_object_notify (G_OBJECT (window), "gtk-unique-bus-name");
g_free (window->gtk_app_menu_object_path);
window->gtk_app_menu_object_path = g_strdup (appmenu_path);
g_object_notify (G_OBJECT (window), "gtk-app-menu-object-path");
g_free (window->gtk_menubar_object_path);
window->gtk_menubar_object_path = g_strdup (menubar_path);
g_object_notify (G_OBJECT (window), "gtk-menubar-object-path");
g_free (window->gtk_application_object_path);
window->gtk_application_object_path = g_strdup (application_object_path);
g_object_notify (G_OBJECT (window), "gtk-application-object-path");
g_free (window->gtk_window_object_path);
window->gtk_window_object_path = g_strdup (window_object_path);
g_object_notify (G_OBJECT (window), "gtk-window-object-path");
g_object_thaw_notify (G_OBJECT (window));
}
void
meta_window_set_transient_for (MetaWindow *window,
MetaWindow *parent)
{
if (meta_window_appears_focused (window) && window->transient_for != None)
meta_window_propagate_focus_appearance (window, FALSE);
/* may now be a dialog */
if (window->client_type == META_WINDOW_CLIENT_TYPE_X11)
meta_window_x11_recalc_window_type (window);
if (!window->constructing)
{
/* If the window attaches, detaches, or changes attached
* parents, we need to destroy the MetaWindow and let a new one
* be created (which happens as a side effect of
* meta_window_unmanage()). The condition below is correct
* because we know window->transient_for has changed.
*/
if (window->attached || meta_window_should_attach_to_parent (window))
{
guint32 timestamp;
timestamp = meta_display_get_current_time_roundtrip (window->display);
meta_window_unmanage (window, timestamp);
return;
}
}
/* update stacking constraints */
if (!window->override_redirect)
meta_stack_update_transient (window->screen->stack, window);
/* We know this won't create a reference cycle because we check for loops */
g_clear_object (&window->transient_for);
window->transient_for = parent ? g_object_ref (parent) : NULL;
/* possibly change its group. We treat being a window's transient as
* equivalent to making it your group leader, to work around shortcomings
* in programs such as xmms-- see #328211.
*/
if (window->xtransient_for != None &&
window->xgroup_leader != None &&
window->xtransient_for != window->xgroup_leader)
meta_window_group_leader_changed (window);
if (!window->constructing && !window->override_redirect)
meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
if (meta_window_appears_focused (window) && window->transient_for != None)
meta_window_propagate_focus_appearance (window, TRUE);
}
void
meta_window_set_opacity (MetaWindow *window,
guint8 opacity)
{
window->opacity = opacity;
meta_compositor_window_opacity_changed (window->display->compositor, window);
}
static void
reset_ignored_crossing_serials (MetaDisplay *display)
{
int i;
i = 0;
while (i < N_IGNORED_CROSSING_SERIALS)
{
display->ignored_crossing_serials[i] = 0;
++i;
}
display->ungrab_should_not_cause_focus_window = None;
}
typedef struct
{
MetaWindow *window;
int pointer_x;
int pointer_y;
} MetaFocusData;
static void
mouse_mode_focus (MetaWindow *window,
guint32 timestamp)
{
MetaDisplay *display = window->display;
if (window->type != META_WINDOW_DESKTOP)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing %s at time %u.\n", window->desc, timestamp);
meta_window_focus (window, timestamp);
if (meta_prefs_get_auto_raise ())
meta_display_queue_autoraise_callback (display, window);
else
meta_topic (META_DEBUG_FOCUS, "Auto raise is disabled\n");
}
else
{
/* In mouse focus mode, we defocus when the mouse *enters*
* the DESKTOP window, instead of defocusing on LeaveNotify.
* This is because having the mouse enter override-redirect
* child windows unfortunately causes LeaveNotify events that
* we can't distinguish from the mouse actually leaving the
* toplevel window as we expect. But, since we filter out
* EnterNotify events on override-redirect windows, this
* alternative mechanism works great.
*/
if (meta_prefs_get_focus_mode() == G_DESKTOP_FOCUS_MODE_MOUSE &&
display->focus_window != NULL)
{
meta_topic (META_DEBUG_FOCUS,
"Unsetting focus from %s due to mouse entering "
"the DESKTOP window\n",
display->focus_window->desc);
meta_display_focus_the_no_focus_window (display,
window->screen,
timestamp);
}
}
}
static gboolean
window_has_pointer_wayland (MetaWindow *window)
{
ClutterDeviceManager *dm;
ClutterInputDevice *dev;
ClutterActor *pointer_actor, *window_actor;
dm = clutter_device_manager_get_default ();
dev = clutter_device_manager_get_core_device (dm, CLUTTER_POINTER_DEVICE);
pointer_actor = clutter_input_device_get_pointer_actor (dev);
window_actor = CLUTTER_ACTOR (meta_window_get_compositor_private (window));
return pointer_actor && clutter_actor_contains (window_actor, pointer_actor);
}
static gboolean
window_has_pointer_x11 (MetaWindow *window)
{
MetaDisplay *display = window->display;
MetaScreen *screen = window->screen;
Window root, child;
double root_x, root_y, x, y;
XIButtonState buttons;
XIModifierState mods;
XIGroupState group;
meta_error_trap_push (display);
XIQueryPointer (display->xdisplay,
META_VIRTUAL_CORE_POINTER_ID,
screen->xroot,
&root, &child,
&root_x, &root_y, &x, &y,
&buttons, &mods, &group);
meta_error_trap_pop (display);
free (buttons.mask);
return meta_display_lookup_x_window (display, child) == window;
}
static gboolean
window_has_pointer (MetaWindow *window)
{
if (meta_is_wayland_compositor ())
return window_has_pointer_wayland (window);
else
return window_has_pointer_x11 (window);
}
static gboolean
window_focus_on_pointer_rest_callback (gpointer data)
{
MetaFocusData *focus_data = data;
MetaWindow *window = focus_data->window;
MetaDisplay *display = window->display;
MetaScreen *screen = window->screen;
MetaCursorTracker *tracker = meta_cursor_tracker_get_for_screen (screen);
int root_x, root_y;
guint32 timestamp;
if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK)
goto out;
meta_cursor_tracker_get_pointer (tracker, &root_x, &root_y, NULL);
if (root_x != focus_data->pointer_x ||
root_y != focus_data->pointer_y)
{
focus_data->pointer_x = root_x;
focus_data->pointer_y = root_y;
return TRUE;
}
if (!window_has_pointer (window))
goto out;
timestamp = meta_display_get_current_time_roundtrip (display);
mouse_mode_focus (window, timestamp);
out:
display->focus_timeout_id = 0;
return FALSE;
}
/* The interval, in milliseconds, we use in focus-follows-mouse
* mode to check whether the pointer has stopped moving after a
* crossing event.
*/
#define FOCUS_TIMEOUT_DELAY 25
static void
queue_focus_callback (MetaDisplay *display,
MetaWindow *window,
int pointer_x,
int pointer_y)
{
MetaFocusData *focus_data;
focus_data = g_new (MetaFocusData, 1);
focus_data->window = window;
focus_data->pointer_x = pointer_x;
focus_data->pointer_y = pointer_y;
if (display->focus_timeout_id != 0)
g_source_remove (display->focus_timeout_id);
display->focus_timeout_id =
g_timeout_add_full (G_PRIORITY_DEFAULT,
FOCUS_TIMEOUT_DELAY,
window_focus_on_pointer_rest_callback,
focus_data,
g_free);
g_source_set_name_by_id (display->focus_timeout_id,
"[mutter] window_focus_on_pointer_rest_callback");
}
void
meta_window_handle_enter (MetaWindow *window,
guint32 timestamp,
guint root_x,
guint root_y)
{
MetaDisplay *display = window->display;
switch (meta_prefs_get_focus_mode ())
{
case G_DESKTOP_FOCUS_MODE_SLOPPY:
case G_DESKTOP_FOCUS_MODE_MOUSE:
display->mouse_mode = TRUE;
if (window->type != META_WINDOW_DOCK)
{
if (meta_prefs_get_focus_change_on_pointer_rest())
queue_focus_callback (display, window, root_x, root_y);
else
mouse_mode_focus (window, timestamp);
/* stop ignoring stuff */
reset_ignored_crossing_serials (display);
}
break;
case G_DESKTOP_FOCUS_MODE_CLICK:
break;
}
if (window->type == META_WINDOW_DOCK)
meta_window_raise (window);
}
void
meta_window_handle_leave (MetaWindow *window)
{
if (window->type == META_WINDOW_DOCK && !window->has_focus)
meta_window_lower (window);
}
gboolean
meta_window_handle_ungrabbed_event (MetaWindow *window,
const ClutterEvent *event)
{
MetaDisplay *display = window->display;
ClutterModifierType grab_mask;
gboolean unmodified;
gboolean fully_modified;
if (event->type != CLUTTER_BUTTON_PRESS)
return FALSE;
if (display->grab_op != META_GRAB_OP_NONE)
return FALSE;
/* We have three passive button grabs:
* - on any button, without modifiers => focuses and maybe raises the window
* - on resize button, with modifiers => start an interactive resizing
* (normally <Super>middle)
* - on move button, with modifiers => start an interactive move
* (normally <Super>left)
* - on menu button, with modifiers => show the window menu
* (normally <Super>right)
*
* We may get here because we actually have a button
* grab on the window, or because we're a wayland
* compositor and thus we see all the events, so we
* need to check if the event is interesting.
* We want an event that is not modified for a window.
*
* We may have other events on the window, for example
* a click on a frame button, but that's not for us to
* care about. Just let the event through.
*/
grab_mask = display->window_grab_modifiers;
if (g_getenv ("MUTTER_DEBUG_BUTTON_GRABS"))
grab_mask |= CLUTTER_CONTROL_MASK;
unmodified = (event->button.modifier_state & grab_mask) == 0;
fully_modified = grab_mask && (event->button.modifier_state & grab_mask) == grab_mask;
if (unmodified)
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
else
meta_topic (META_DEBUG_FOCUS,
"Not raising window on click due to don't-raise-on-click option\n");
/* Don't focus panels--they must explicitly request focus.
* See bug 160470
*/
if (window->type != META_WINDOW_DOCK)
{
meta_topic (META_DEBUG_FOCUS,
"Focusing %s due to unmodified button %u press (display.c)\n",
window->desc, event->button.button);
meta_window_focus (window, event->any.time);
}
else
/* However, do allow terminals to lose focus due to new
* window mappings after the user clicks on a panel.
*/
display->allow_terminal_deactivation = TRUE;
meta_verbose ("Allowing events time %u\n",
(unsigned int)event->button.time);
return FALSE;
}
else if (fully_modified && (int) event->button.button == meta_prefs_get_mouse_button_resize ())
{
if (window->has_resize_func)
{
gboolean north, south;
gboolean west, east;
MetaRectangle frame_rect;
MetaGrabOp op;
meta_window_get_frame_rect (window, &frame_rect);
west = event->button.x < (frame_rect.x + 1 * frame_rect.width / 3);
east = event->button.x > (frame_rect.x + 2 * frame_rect.width / 3);
north = event->button.y < (frame_rect.y + 1 * frame_rect.height / 3);
south = event->button.y > (frame_rect.y + 2 * frame_rect.height / 3);
if (north && west)
op = META_GRAB_OP_RESIZING_NW;
else if (north && east)
op = META_GRAB_OP_RESIZING_NE;
else if (south && west)
op = META_GRAB_OP_RESIZING_SW;
else if (south && east)
op = META_GRAB_OP_RESIZING_SE;
else if (north)
op = META_GRAB_OP_RESIZING_N;
else if (west)
op = META_GRAB_OP_RESIZING_W;
else if (east)
op = META_GRAB_OP_RESIZING_E;
else if (south)
op = META_GRAB_OP_RESIZING_S;
else /* Middle region is no-op to avoid user triggering wrong action */
op = META_GRAB_OP_NONE;
if (op != META_GRAB_OP_NONE)
meta_display_begin_grab_op (display,
window->screen,
window,
op,
TRUE,
FALSE,
event->button.button,
0,
event->any.time,
event->button.x,
event->button.y);
}
return TRUE;
}
else if (fully_modified && (int) event->button.button == meta_prefs_get_mouse_button_menu ())
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
meta_window_show_menu (window,
META_WINDOW_MENU_WM,
event->button.x,
event->button.y);
return TRUE;
}
else if (fully_modified && (int) event->button.button == 1)
{
if (window->has_move_func)
{
meta_display_begin_grab_op (display,
window->screen,
window,
META_GRAB_OP_MOVING,
TRUE,
FALSE,
event->button.button,
0,
event->any.time,
event->button.x,
event->button.y);
}
return TRUE;
}
return TRUE;
}
void
meta_window_set_surface_mapped (MetaWindow *window,
gboolean surface_mapped)
{
if (window->surface_mapped == (guint) surface_mapped)
return;
window->surface_mapped = surface_mapped;
meta_window_queue (window, META_QUEUE_CALC_SHOWING);
}
Window
meta_window_get_toplevel_xwindow (MetaWindow *window)
{
return window->frame ? window->frame->xwindow : window->xwindow;
}
void
meta_window_set_custom_frame_extents (MetaWindow *window,
GtkBorder *extents)
{
if (extents)
{
window->has_custom_frame_extents = TRUE;
window->custom_frame_extents = *extents;
}
else
{
window->has_custom_frame_extents = FALSE;
}
meta_window_queue (window, META_QUEUE_MOVE_RESIZE);
}
gboolean
meta_window_can_maximize (MetaWindow *window)
{
return window->has_maximize_func;
}
gboolean
meta_window_can_minimize (MetaWindow *window)
{
return window->has_minimize_func;
}
gboolean
meta_window_can_shade (MetaWindow *window)
{
return window->has_shade_func;
}
gboolean
meta_window_can_close (MetaWindow *window)
{
return window->has_close_func;
}
gboolean
meta_window_is_always_on_all_workspaces (MetaWindow *window)
{
return window->always_sticky;
}
gboolean
meta_window_is_above (MetaWindow *window)
{
return window->wm_state_above;
}
gboolean
meta_window_allows_move (MetaWindow *window)
{
return META_WINDOW_ALLOWS_MOVE (window);
}
gboolean
meta_window_allows_resize (MetaWindow *window)
{
return META_WINDOW_ALLOWS_RESIZE (window);
}
void
meta_window_set_urgent (MetaWindow *window,
gboolean urgent)
{
if (window->urgent == urgent)
return;
window->urgent = urgent;
g_object_notify (G_OBJECT (window), "urgent");
if (urgent)
g_signal_emit_by_name (window->display, "window-marked-urgent", window);
}
void
meta_window_grab_op_began (MetaWindow *window,
MetaGrabOp op)
{
META_WINDOW_GET_CLASS (window)->grab_op_began (window, op);
}
void
meta_window_grab_op_ended (MetaWindow *window,
MetaGrabOp op)
{
META_WINDOW_GET_CLASS (window)->grab_op_ended (window, op);
}
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