/* -*- 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 .
*/
#include "config.h"
#include "x11/window-x11.h"
#include "x11/window-x11-private.h"
#include
#include
#include
#include
#include
#include
#include
#include "backends/meta-logical-monitor.h"
#include "backends/x11/meta-backend-x11.h"
#include "core/boxes-private.h"
#include "core/frame.h"
#include "core/meta-workspace-manager-private.h"
#include "core/window-private.h"
#include "core/workspace-private.h"
#include "meta/common.h"
#include "meta/meta-cursor-tracker.h"
#include "meta/meta-x11-errors.h"
#include "meta/prefs.h"
#include "x11/meta-x11-display-private.h"
#include "x11/session.h"
#include "x11/window-props.h"
#include "x11/xprops.h"
#define TAKE_FOCUS_FALLBACK_DELAY_MS 150
enum _MetaGtkEdgeConstraints
{
META_GTK_EDGE_CONSTRAINT_TOP_TILED = 1 << 0,
META_GTK_EDGE_CONSTRAINT_TOP_RESIZABLE = 1 << 1,
META_GTK_EDGE_CONSTRAINT_RIGHT_TILED = 1 << 2,
META_GTK_EDGE_CONSTRAINT_RIGHT_RESIZABLE = 1 << 3,
META_GTK_EDGE_CONSTRAINT_BOTTOM_TILED = 1 << 4,
META_GTK_EDGE_CONSTRAINT_BOTTOM_RESIZABLE = 1 << 5,
META_GTK_EDGE_CONSTRAINT_LEFT_TILED = 1 << 6,
META_GTK_EDGE_CONSTRAINT_LEFT_RESIZABLE = 1 << 7
} MetaGtkEdgeConstraints;
G_DEFINE_TYPE_WITH_PRIVATE (MetaWindowX11, meta_window_x11, META_TYPE_WINDOW)
static void
meta_window_x11_maybe_focus_delayed (MetaWindow *window,
GQueue *other_focus_candidates,
guint32 timestamp);
static void
meta_window_x11_init (MetaWindowX11 *window_x11)
{
window_x11->priv = meta_window_x11_get_instance_private (window_x11);
}
static void
send_icccm_message (MetaWindow *window,
Atom atom,
guint32 timestamp)
{
/* This comment and code are from twm, copyright
* Open Group, Evans & Sutherland, etc.
*/
/*
* ICCCM Client Messages - Section 4.2.8 of the ICCCM dictates that all
* client messages will have the following form:
*
* event type ClientMessage
* message type _XA_WM_PROTOCOLS
* window tmp->w
* format 32
* data[0] message atom
* data[1] time stamp
*/
XClientMessageEvent ev;
MetaX11Display *x11_display = window->display->x11_display;
ev.type = ClientMessage;
ev.window = window->xwindow;
ev.message_type = x11_display->atom_WM_PROTOCOLS;
ev.format = 32;
ev.data.l[0] = atom;
ev.data.l[1] = timestamp;
meta_x11_error_trap_push (x11_display);
XSendEvent (x11_display->xdisplay,
window->xwindow, False, 0, (XEvent*) &ev);
meta_x11_error_trap_pop (x11_display);
}
static Window
read_client_leader (MetaDisplay *display,
Window xwindow)
{
Window retval = None;
meta_prop_get_window (display->x11_display, xwindow,
display->x11_display->atom_WM_CLIENT_LEADER,
&retval);
return retval;
}
typedef struct
{
Window leader;
} ClientLeaderData;
static gboolean
find_client_leader_func (MetaWindow *ancestor,
void *data)
{
ClientLeaderData *d;
d = data;
d->leader = read_client_leader (ancestor->display,
ancestor->xwindow);
/* keep going if no client leader found */
return d->leader == None;
}
static void
update_sm_hints (MetaWindow *window)
{
Window leader;
window->xclient_leader = None;
window->sm_client_id = NULL;
/* If not on the current window, we can get the client
* leader from transient parents. If we find a client
* leader, we read the SM_CLIENT_ID from it.
*/
leader = read_client_leader (window->display, window->xwindow);
if (leader == None)
{
ClientLeaderData d;
d.leader = None;
meta_window_foreach_ancestor (window, find_client_leader_func,
&d);
leader = d.leader;
}
if (leader != None)
{
window->xclient_leader = leader;
meta_prop_get_latin1_string (window->display->x11_display, leader,
window->display->x11_display->atom_SM_CLIENT_ID,
&window->sm_client_id);
}
else
{
meta_verbose ("Didn't find a client leader for %s\n", window->desc);
if (!meta_prefs_get_disable_workarounds ())
{
/* Some broken apps (kdelibs fault?) set SM_CLIENT_ID on the app
* instead of the client leader
*/
meta_prop_get_latin1_string (window->display->x11_display, window->xwindow,
window->display->x11_display->atom_SM_CLIENT_ID,
&window->sm_client_id);
if (window->sm_client_id)
meta_warning ("Window %s sets SM_CLIENT_ID on itself, instead of on the WM_CLIENT_LEADER window as specified in the ICCCM.\n",
window->desc);
}
}
meta_verbose ("Window %s client leader: 0x%lx SM_CLIENT_ID: '%s'\n",
window->desc, window->xclient_leader,
window->sm_client_id ? window->sm_client_id : "none");
}
static void
send_configure_notify (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
XEvent event;
g_assert (!window->override_redirect);
/* from twm */
event.type = ConfigureNotify;
event.xconfigure.display = x11_display->xdisplay;
event.xconfigure.event = window->xwindow;
event.xconfigure.window = window->xwindow;
event.xconfigure.x = priv->client_rect.x - priv->border_width;
event.xconfigure.y = priv->client_rect.y - priv->border_width;
if (window->frame)
{
if (window->withdrawn)
{
MetaFrameBorders borders;
/* We reparent the client window and put it to the position
* where the visible top-left of the frame window currently is.
*/
meta_frame_calc_borders (window->frame, &borders);
event.xconfigure.x = window->frame->rect.x + borders.invisible.left;
event.xconfigure.y = window->frame->rect.y + borders.invisible.top;
}
else
{
/* Need to be in root window coordinates */
event.xconfigure.x += window->frame->rect.x;
event.xconfigure.y += window->frame->rect.y;
}
}
event.xconfigure.width = priv->client_rect.width;
event.xconfigure.height = priv->client_rect.height;
event.xconfigure.border_width = priv->border_width; /* requested not actual */
event.xconfigure.above = None; /* FIXME */
event.xconfigure.override_redirect = False;
meta_topic (META_DEBUG_GEOMETRY,
"Sending synthetic configure notify to %s with x: %d y: %d w: %d h: %d\n",
window->desc,
event.xconfigure.x, event.xconfigure.y,
event.xconfigure.width, event.xconfigure.height);
meta_x11_error_trap_push (x11_display);
XSendEvent (x11_display->xdisplay,
window->xwindow,
False, StructureNotifyMask, &event);
meta_x11_error_trap_pop (x11_display);
}
static void
adjust_for_gravity (MetaWindow *window,
gboolean coords_assume_border,
int gravity,
MetaRectangle *rect)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
int ref_x, ref_y;
int bw;
int child_x, child_y;
int frame_width, frame_height;
MetaFrameBorders borders;
/* We're computing position to pass to window_move, which is
* the position of the client window (StaticGravity basically)
*
* (see WM spec description of gravity computation, but note that
* their formulas assume we're honoring the border width, rather
* than compensating for having turned it off)
*/
if (gravity == StaticGravity)
return;
if (coords_assume_border)
bw = priv->border_width;
else
bw = 0;
meta_frame_calc_borders (window->frame, &borders);
child_x = borders.visible.left;
child_y = borders.visible.top;
frame_width = child_x + rect->width + borders.visible.right;
frame_height = child_y + rect->height + borders.visible.bottom;
/* Calculate the the reference point, which is the corner of the
* outer window specified by the gravity. So, NorthEastGravity
* would have the reference point as the top-right corner of the
* outer window. */
ref_x = rect->x;
ref_y = rect->y;
switch (gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
ref_x += rect->width / 2 + bw;
break;
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
ref_x += rect->width + bw * 2;
break;
default:
break;
}
switch (gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
ref_y += rect->height / 2 + bw;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
ref_y += rect->height + bw * 2;
break;
default:
break;
}
/* Find the top-left corner of the outer window from
* the reference point. */
rect->x = ref_x;
rect->y = ref_y;
switch (gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
rect->x -= frame_width / 2;
break;
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
rect->x -= frame_width;
break;
}
switch (gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
rect->y -= frame_height / 2;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
rect->y -= frame_height;
break;
}
/* Adjust to get the top-left corner of the inner window. */
rect->x += child_x;
rect->y += child_y;
}
static void
meta_window_apply_session_info (MetaWindow *window,
const MetaWindowSessionInfo *info)
{
if (info->stack_position_set)
{
meta_topic (META_DEBUG_SM,
"Restoring stack position %d for window %s\n",
info->stack_position, window->desc);
/* FIXME well, I'm not sure how to do this. */
}
if (info->minimized_set)
{
meta_topic (META_DEBUG_SM,
"Restoring minimized state %d for window %s\n",
info->minimized, window->desc);
if (info->minimized)
meta_window_minimize (window);
}
if (info->maximized_set)
{
meta_topic (META_DEBUG_SM,
"Restoring maximized state %d for window %s\n",
info->maximized, window->desc);
if (window->has_maximize_func && info->maximized)
{
meta_window_maximize (window, META_MAXIMIZE_BOTH);
if (info->saved_rect_set)
{
meta_topic (META_DEBUG_SM,
"Restoring saved rect %d,%d %dx%d for window %s\n",
info->saved_rect.x,
info->saved_rect.y,
info->saved_rect.width,
info->saved_rect.height,
window->desc);
window->saved_rect.x = info->saved_rect.x;
window->saved_rect.y = info->saved_rect.y;
window->saved_rect.width = info->saved_rect.width;
window->saved_rect.height = info->saved_rect.height;
}
}
}
if (info->on_all_workspaces_set)
{
window->on_all_workspaces_requested = info->on_all_workspaces;
meta_window_on_all_workspaces_changed (window);
meta_topic (META_DEBUG_SM,
"Restoring sticky state %d for window %s\n",
window->on_all_workspaces_requested, window->desc);
}
if (info->workspace_indices)
{
GSList *tmp;
GSList *spaces;
spaces = NULL;
tmp = info->workspace_indices;
while (tmp != NULL)
{
MetaWorkspaceManager *workspace_manager = window->display->workspace_manager;
MetaWorkspace *space;
space =
meta_workspace_manager_get_workspace_by_index (workspace_manager,
GPOINTER_TO_INT (tmp->data));
if (space)
spaces = g_slist_prepend (spaces, space);
tmp = tmp->next;
}
if (spaces)
{
/* XXX: What should we do if there's more than one workspace
* listed? We only support one workspace for each window.
*
* For now, just choose the first one.
*/
MetaWorkspace *workspace = spaces->data;
meta_window_change_workspace (window, workspace);
window->initial_workspace_set = TRUE;
meta_topic (META_DEBUG_SM,
"Restoring saved window %s to workspace %d\n",
window->desc,
meta_workspace_index (workspace));
g_slist_free (spaces);
}
}
if (info->geometry_set)
{
MetaRectangle rect;
MetaMoveResizeFlags flags;
int gravity;
window->placed = TRUE; /* don't do placement algorithms later */
rect.x = info->rect.x;
rect.y = info->rect.y;
rect.width = window->size_hints.base_width + info->rect.width * window->size_hints.width_inc;
rect.height = window->size_hints.base_height + info->rect.height * window->size_hints.height_inc;
/* Force old gravity, ignoring anything now set */
window->size_hints.win_gravity = info->gravity;
gravity = window->size_hints.win_gravity;
flags = META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION;
adjust_for_gravity (window, FALSE, gravity, &rect);
meta_window_client_rect_to_frame_rect (window, &rect, &rect);
meta_window_move_resize_internal (window, flags, gravity, rect);
}
}
static void
meta_window_x11_manage (MetaWindow *window)
{
MetaDisplay *display = window->display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
meta_icon_cache_init (&priv->icon_cache);
meta_x11_display_register_x_window (display->x11_display,
&window->xwindow,
window);
/* assign the window to its group, or create a new group if needed */
window->group = NULL;
window->xgroup_leader = None;
meta_window_compute_group (window);
meta_window_load_initial_properties (window);
if (!window->override_redirect)
update_sm_hints (window); /* must come after transient_for */
if (window->decorated)
meta_window_ensure_frame (window);
/* Now try applying saved stuff from the session */
{
const MetaWindowSessionInfo *info;
info = meta_window_lookup_saved_state (window);
if (info)
{
meta_window_apply_session_info (window, info);
meta_window_release_saved_state (info);
}
}
/* For override-redirect windows, save the client rect
* directly. window->rect was assigned from the XWindowAttributes
* in the main meta_window_shared_new.
*
* For normal windows, do a full ConfigureRequest based on the
* window hints, as that's what the ICCCM says to do.
*/
priv->client_rect = window->rect;
window->buffer_rect = window->rect;
if (!window->override_redirect)
{
MetaRectangle rect;
MetaMoveResizeFlags flags;
int gravity = window->size_hints.win_gravity;
rect.x = window->size_hints.x;
rect.y = window->size_hints.y;
rect.width = window->size_hints.width;
rect.height = window->size_hints.height;
flags = META_MOVE_RESIZE_CONFIGURE_REQUEST | META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION;
adjust_for_gravity (window, TRUE, gravity, &rect);
meta_window_client_rect_to_frame_rect (window, &rect, &rect);
meta_window_move_resize_internal (window, flags, gravity, rect);
}
meta_window_x11_update_shape_region (window);
meta_window_x11_update_input_region (window);
}
static void
meta_window_x11_unmanage (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
meta_x11_error_trap_push (x11_display);
meta_window_x11_destroy_sync_request_alarm (window);
if (window->withdrawn)
{
/* We need to clean off the window's state so it
* won't be restored if the app maps it again.
*/
meta_verbose ("Cleaning state from window %s\n", window->desc);
XDeleteProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__NET_WM_DESKTOP);
XDeleteProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__NET_WM_STATE);
XDeleteProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__NET_WM_FULLSCREEN_MONITORS);
meta_window_x11_set_wm_state (window);
}
else
{
/* We need to put WM_STATE so that others will understand it on
* restart.
*/
if (!window->minimized)
meta_window_x11_set_wm_state (window);
/* If we're unmanaging a window that is not withdrawn, then
* either (a) mutter is exiting, in which case we need to map
* the window so the next WM will know that it's not Withdrawn,
* or (b) we want to create a new MetaWindow to replace the
* current one, which will happen automatically if we re-map
* the X Window.
*/
XMapWindow (x11_display->xdisplay,
window->xwindow);
}
meta_x11_display_unregister_x_window (x11_display, window->xwindow);
/* Put back anything we messed up */
if (priv->border_width != 0)
XSetWindowBorderWidth (x11_display->xdisplay,
window->xwindow,
priv->border_width);
/* No save set */
XRemoveFromSaveSet (x11_display->xdisplay,
window->xwindow);
/* Even though the window is now unmanaged, we can't unselect events. This
* window might be a window from this process, like a GdkMenu, in
* which case it will have pointer events and so forth selected
* for it by GDK. There's no way to disentangle those events from the events
* we've selected. Even for a window from a different X client,
* GDK could also have selected events for it for IPC purposes, so we
* can't unselect in that case either.
*
* Similarly, we can't unselected for events on window->user_time_window.
* It might be our own GDK focus window, or it might be a window that a
* different client is using for multiple different things:
* _NET_WM_USER_TIME_WINDOW and IPC, perhaps.
*/
if (window->user_time_window != None)
{
meta_x11_display_unregister_x_window (x11_display,
window->user_time_window);
window->user_time_window = None;
}
if (META_X11_DISPLAY_HAS_SHAPE (x11_display))
XShapeSelectInput (x11_display->xdisplay, window->xwindow, NoEventMask);
meta_window_ungrab_keys (window);
meta_display_ungrab_window_buttons (window->display, window->xwindow);
meta_display_ungrab_focus_window_button (window->display, window);
meta_x11_error_trap_pop (x11_display);
if (window->frame)
{
/* The XReparentWindow call in meta_window_destroy_frame() moves the
* window so we need to send a configure notify; see bug 399552. (We
* also do this just in case a window got unmaximized.)
*/
send_configure_notify (window);
meta_window_destroy_frame (window);
}
}
void
meta_window_x11_set_wm_ping (MetaWindow *window,
gboolean ping)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
priv->wm_ping = ping;
}
static gboolean
meta_window_x11_can_ping (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
return priv->wm_ping;
}
static void
meta_window_x11_ping (MetaWindow *window,
guint32 serial)
{
MetaDisplay *display = window->display;
send_icccm_message (window, display->x11_display->atom__NET_WM_PING, serial);
}
void
meta_window_x11_set_wm_delete_window (MetaWindow *window,
gboolean delete_window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
priv->wm_delete_window = delete_window;
}
static void
meta_window_x11_delete (MetaWindow *window,
guint32 timestamp)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
MetaX11Display *x11_display = window->display->x11_display;
meta_x11_error_trap_push (x11_display);
if (priv->wm_delete_window)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Deleting %s with delete_window request\n",
window->desc);
send_icccm_message (window, x11_display->atom_WM_DELETE_WINDOW, timestamp);
}
else
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Deleting %s with explicit kill\n",
window->desc);
XKillClient (x11_display->xdisplay, window->xwindow);
}
meta_x11_error_trap_pop (x11_display);
}
static void
meta_window_x11_kill (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
meta_topic (META_DEBUG_WINDOW_OPS,
"Disconnecting %s with XKillClient()\n",
window->desc);
meta_x11_error_trap_push (x11_display);
XKillClient (x11_display->xdisplay, window->xwindow);
meta_x11_error_trap_pop (x11_display);
}
static void
request_take_focus (MetaWindow *window,
guint32 timestamp)
{
MetaDisplay *display = window->display;
meta_topic (META_DEBUG_FOCUS, "WM_TAKE_FOCUS(%s, %u)\n",
window->desc, timestamp);
send_icccm_message (window, display->x11_display->atom_WM_TAKE_FOCUS, timestamp);
}
typedef struct
{
MetaWindow *window;
GQueue *pending_focus_candidates;
guint32 timestamp;
guint timeout_id;
gulong unmanaged_id;
gulong focused_changed_id;
} MetaWindowX11DelayedFocusData;
static void
disconnect_pending_focus_window_signals (MetaWindow *window,
GQueue *focus_candidates)
{
g_signal_handlers_disconnect_by_func (window, g_queue_remove,
focus_candidates);
}
static void
meta_window_x11_delayed_focus_data_free (MetaWindowX11DelayedFocusData *data)
{
g_clear_signal_handler (&data->unmanaged_id, data->window);
g_clear_signal_handler (&data->focused_changed_id, data->window->display);
if (data->pending_focus_candidates)
{
g_queue_foreach (data->pending_focus_candidates,
(GFunc) disconnect_pending_focus_window_signals,
data->pending_focus_candidates);
g_queue_free (data->pending_focus_candidates);
}
g_clear_handle_id (&data->timeout_id, g_source_remove);
g_free (data);
}
static void
focus_candidates_maybe_take_and_focus_next (GQueue **focus_candidates_ptr,
guint32 timestamp)
{
MetaWindow *focus_window;
GQueue *focus_candidates;
g_assert (*focus_candidates_ptr);
if (g_queue_is_empty (*focus_candidates_ptr))
return;
focus_candidates = g_steal_pointer (focus_candidates_ptr);
focus_window = g_queue_pop_head (focus_candidates);
disconnect_pending_focus_window_signals (focus_window, focus_candidates);
meta_window_x11_maybe_focus_delayed (focus_window, focus_candidates, timestamp);
}
static gboolean
focus_window_delayed_timeout (gpointer user_data)
{
MetaWindowX11DelayedFocusData *data = user_data;
MetaWindow *window = data->window;
guint32 timestamp = data->timestamp;
focus_candidates_maybe_take_and_focus_next (&data->pending_focus_candidates,
timestamp);
data->timeout_id = 0;
meta_window_x11_delayed_focus_data_free (data);
meta_window_focus (window, timestamp);
return G_SOURCE_REMOVE;
}
static void
meta_window_x11_maybe_focus_delayed (MetaWindow *window,
GQueue *other_focus_candidates,
guint32 timestamp)
{
MetaWindowX11DelayedFocusData *data;
data = g_new0 (MetaWindowX11DelayedFocusData, 1);
data->window = window;
data->timestamp = timestamp;
data->pending_focus_candidates = other_focus_candidates;
meta_topic (META_DEBUG_FOCUS,
"Requesting delayed focus to %s\n", window->desc);
data->unmanaged_id =
g_signal_connect_swapped (window, "unmanaged",
G_CALLBACK (meta_window_x11_delayed_focus_data_free),
data);
data->focused_changed_id =
g_signal_connect_swapped (window->display, "notify::focus-window",
G_CALLBACK (meta_window_x11_delayed_focus_data_free),
data);
data->timeout_id = g_timeout_add (TAKE_FOCUS_FALLBACK_DELAY_MS,
focus_window_delayed_timeout, data);
}
static void
maybe_focus_default_window (MetaDisplay *display,
MetaWindow *not_this_one,
guint32 timestamp)
{
MetaWorkspace *workspace;
MetaStack *stack = display->stack;
g_autoptr (GList) focusable_windows = NULL;
g_autoptr (GQueue) focus_candidates = NULL;
GList *l;
if (not_this_one && not_this_one->workspace)
workspace = not_this_one->workspace;
else
workspace = display->workspace_manager->active_workspace;
/* Go through all the focusable windows and try to focus them
* in order, waiting for a delay. The first one that replies to
* the request (in case of take focus windows) changing the display
* focused window, will stop the chained requests.
*/
focusable_windows =
meta_stack_get_default_focus_candidates (stack, workspace);
focus_candidates = g_queue_new ();
for (l = g_list_last (focusable_windows); l; l = l->prev)
{
MetaWindow *focus_window = l->data;
if (focus_window == not_this_one)
continue;
g_queue_push_tail (focus_candidates, focus_window);
g_signal_connect_swapped (focus_window, "unmanaged",
G_CALLBACK (g_queue_remove),
focus_candidates);
if (!META_IS_WINDOW_X11 (focus_window))
break;
if (focus_window->input)
break;
if (focus_window->shaded && focus_window->frame)
break;
}
focus_candidates_maybe_take_and_focus_next (&focus_candidates, timestamp);
}
static void
meta_window_x11_focus (MetaWindow *window,
guint32 timestamp)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
/* For output-only or shaded windows, focus the frame.
* This seems to result in the client window getting key events
* though, so I don't know if it's icccm-compliant.
*
* Still, we have to do this or keynav breaks for these windows.
*/
if (window->frame &&
(window->shaded || !meta_window_is_focusable (window)))
{
meta_topic (META_DEBUG_FOCUS,
"Focusing frame of %s\n", window->desc);
meta_display_set_input_focus (window->display,
window,
TRUE,
timestamp);
}
else
{
if (window->input)
{
meta_topic (META_DEBUG_FOCUS,
"Setting input focus on %s since input = true\n",
window->desc);
meta_display_set_input_focus (window->display,
window,
FALSE,
timestamp);
}
if (priv->wm_take_focus)
{
meta_topic (META_DEBUG_FOCUS,
"Sending WM_TAKE_FOCUS to %s since take_focus = true\n",
window->desc);
if (!window->input)
{
/* The "Globally Active Input" window case, where the window
* doesn't want us to call XSetInputFocus on it, but does
* want us to send a WM_TAKE_FOCUS.
*
* Normally, we want to just leave the focus undisturbed until
* the window responds to WM_TAKE_FOCUS, but if we're unmanaging
* the current focus window we *need* to move the focus away, so
* we focus the no focus window before sending WM_TAKE_FOCUS,
* and eventually the default focus window excluding this one,
* if meanwhile we don't get any focus request.
*/
if (window->display->focus_window != NULL &&
window->display->focus_window->unmanaging)
{
meta_display_unset_input_focus (window->display, timestamp);
maybe_focus_default_window (window->display, window,
timestamp);
}
}
request_take_focus (window, timestamp);
}
}
}
static void
meta_window_get_client_root_coords (MetaWindow *window,
MetaRectangle *rect)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
*rect = priv->client_rect;
if (window->frame)
{
rect->x += window->frame->rect.x;
rect->y += window->frame->rect.y;
}
}
static void
meta_window_refresh_resize_popup (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
if (priv->showing_resize_popup)
{
MetaRectangle rect;
int display_w, display_h;
meta_window_get_client_root_coords (window, &rect);
display_w = (rect.width - window->size_hints.base_width);
if (window->size_hints.width_inc > 0)
display_w /= window->size_hints.width_inc;
display_h = (rect.height - window->size_hints.base_height);
if (window->size_hints.height_inc > 0)
display_h /= window->size_hints.height_inc;
meta_display_show_resize_popup (window->display, TRUE, &rect, display_w, display_h);
}
else
{
meta_display_show_resize_popup (window->display, FALSE, NULL, 0, 0);
}
}
static void
meta_window_x11_grab_op_began (MetaWindow *window,
MetaGrabOp op)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
if (meta_grab_op_is_resizing (op))
{
if (window->sync_request_counter != None)
meta_window_x11_create_sync_request_alarm (window);
if (window->size_hints.width_inc > 2 || window->size_hints.height_inc > 2)
{
priv->showing_resize_popup = TRUE;
meta_window_refresh_resize_popup (window);
}
}
META_WINDOW_CLASS (meta_window_x11_parent_class)->grab_op_began (window, op);
}
static void
meta_window_x11_grab_op_ended (MetaWindow *window,
MetaGrabOp op)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
if (priv->showing_resize_popup)
{
priv->showing_resize_popup = FALSE;
meta_window_refresh_resize_popup (window);
}
META_WINDOW_CLASS (meta_window_x11_parent_class)->grab_op_ended (window, op);
}
static void
update_net_frame_extents (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
unsigned long data[4];
MetaFrameBorders borders;
meta_frame_calc_borders (window->frame, &borders);
/* Left */
data[0] = borders.visible.left;
/* Right */
data[1] = borders.visible.right;
/* Top */
data[2] = borders.visible.top;
/* Bottom */
data[3] = borders.visible.bottom;
meta_topic (META_DEBUG_GEOMETRY,
"Setting _NET_FRAME_EXTENTS on managed window 0x%lx "
"to left = %lu, right = %lu, top = %lu, bottom = %lu\n",
window->xwindow, data[0], data[1], data[2], data[3]);
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay, window->xwindow,
x11_display->atom__NET_FRAME_EXTENTS,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 4);
meta_x11_error_trap_pop (x11_display);
}
static gboolean
is_edge_constraint_resizable (MetaEdgeConstraint constraint)
{
switch (constraint)
{
case META_EDGE_CONSTRAINT_NONE:
case META_EDGE_CONSTRAINT_WINDOW:
return TRUE;
case META_EDGE_CONSTRAINT_MONITOR:
return FALSE;
}
g_assert_not_reached ();
return FALSE;
}
static gboolean
is_edge_constraint_tiled (MetaEdgeConstraint constraint)
{
switch (constraint)
{
case META_EDGE_CONSTRAINT_NONE:
return FALSE;
case META_EDGE_CONSTRAINT_WINDOW:
case META_EDGE_CONSTRAINT_MONITOR:
return TRUE;
}
g_assert_not_reached ();
return FALSE;
}
static unsigned long
edge_constraints_to_gtk_edge_constraints (MetaWindow *window)
{
unsigned long gtk_edge_constraints = 0;
if (is_edge_constraint_tiled (window->edge_constraints.top))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_TOP_TILED;
if (is_edge_constraint_resizable (window->edge_constraints.top))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_TOP_RESIZABLE;
if (is_edge_constraint_tiled (window->edge_constraints.right))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_RIGHT_TILED;
if (is_edge_constraint_resizable (window->edge_constraints.right))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_RIGHT_RESIZABLE;
if (is_edge_constraint_tiled (window->edge_constraints.bottom))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_BOTTOM_TILED;
if (is_edge_constraint_resizable (window->edge_constraints.bottom))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_BOTTOM_RESIZABLE;
if (is_edge_constraint_tiled (window->edge_constraints.left))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_LEFT_TILED;
if (is_edge_constraint_resizable (window->edge_constraints.left))
gtk_edge_constraints |= META_GTK_EDGE_CONSTRAINT_LEFT_RESIZABLE;
return gtk_edge_constraints;
}
static void
update_gtk_edge_constraints (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
unsigned long data[1];
data[0] = edge_constraints_to_gtk_edge_constraints (window);
meta_verbose ("Setting _GTK_EDGE_CONSTRAINTS to %lu\n", data[0]);
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__GTK_EDGE_CONSTRAINTS,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) data, 1);
meta_x11_error_trap_pop (x11_display);
}
static gboolean
sync_request_timeout (gpointer data)
{
MetaWindow *window = data;
window->sync_request_timeout_id = 0;
/* We have now waited for more than a second for the
* application to respond to the sync request
*/
window->disable_sync = TRUE;
/* Reset the wait serial, so we don't continue freezing
* window updates
*/
window->sync_request_wait_serial = 0;
meta_compositor_sync_updates_frozen (window->display->compositor, window);
if (window == window->display->grab_window &&
meta_grab_op_is_resizing (window->display->grab_op))
{
meta_window_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
send_sync_request (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
XClientMessageEvent ev;
gint64 wait_serial;
/* For the old style of _NET_WM_SYNC_REQUEST_COUNTER, we just have to
* increase the value, but for the new "extended" style we need to
* pick an even (unfrozen) value sufficiently ahead of the last serial
* that we received from the client; the same code still works
* for the old style. The increment of 240 is specified by the EWMH
* and is (1 second) * (60fps) * (an increment of 4 per frame).
*/
wait_serial = window->sync_request_serial + 240;
window->sync_request_wait_serial = wait_serial;
ev.type = ClientMessage;
ev.window = window->xwindow;
ev.message_type = x11_display->atom_WM_PROTOCOLS;
ev.format = 32;
ev.data.l[0] = x11_display->atom__NET_WM_SYNC_REQUEST;
/* FIXME: meta_display_get_current_time() is bad, but since calls
* come from meta_window_move_resize_internal (which in turn come
* from all over), I'm not sure what we can do to fix it. Do we
* want to use _roundtrip, though?
*/
ev.data.l[1] = meta_display_get_current_time (window->display);
ev.data.l[2] = wait_serial & G_GUINT64_CONSTANT(0xffffffff);
ev.data.l[3] = wait_serial >> 32;
ev.data.l[4] = window->extended_sync_request_counter ? 1 : 0;
/* We don't need to trap errors here as we are already
* inside an error_trap_push()/pop() pair.
*/
XSendEvent (x11_display->xdisplay,
window->xwindow, False, 0, (XEvent*) &ev);
/* We give the window 1 sec to respond to _NET_WM_SYNC_REQUEST;
* if this time expires, we consider the window unresponsive
* and resize it unsynchonized.
*/
window->sync_request_timeout_id = g_timeout_add (1000,
sync_request_timeout,
window);
g_source_set_name_by_id (window->sync_request_timeout_id,
"[mutter] sync_request_timeout");
meta_compositor_sync_updates_frozen (window->display->compositor, window);
}
static unsigned long
meta_window_get_net_wm_desktop (MetaWindow *window)
{
if (window->on_all_workspaces)
return 0xFFFFFFFF;
else
return meta_workspace_index (window->workspace);
}
static void
meta_window_x11_current_workspace_changed (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
/* FIXME if on more than one workspace, we claim to be "sticky",
* the WM spec doesn't say what to do here.
*/
unsigned long data[1];
if (window->workspace == NULL)
{
/* this happens when unmanaging windows */
return;
}
data[0] = meta_window_get_net_wm_desktop (window);
meta_verbose ("Setting _NET_WM_DESKTOP of %s to %lu\n",
window->desc, data[0]);
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay, window->xwindow,
x11_display->atom__NET_WM_DESKTOP,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 1);
meta_x11_error_trap_pop (x11_display);
}
static void
meta_window_x11_move_resize_internal (MetaWindow *window,
int gravity,
MetaRectangle unconstrained_rect,
MetaRectangle constrained_rect,
int rel_x,
int rel_y,
MetaMoveResizeFlags flags,
MetaMoveResizeResultFlags *result)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
MetaFrameBorders borders;
MetaRectangle client_rect;
int size_dx, size_dy;
XWindowChanges values;
unsigned int mask;
gboolean need_configure_notify;
gboolean need_move_client = FALSE;
gboolean need_move_frame = FALSE;
gboolean need_resize_client = FALSE;
gboolean need_resize_frame = FALSE;
gboolean frame_shape_changed = FALSE;
gboolean configure_frame_first;
gboolean is_configure_request;
is_configure_request = (flags & META_MOVE_RESIZE_CONFIGURE_REQUEST) != 0;
meta_frame_calc_borders (window->frame, &borders);
size_dx = constrained_rect.x - window->rect.width;
size_dy = constrained_rect.y - window->rect.height;
window->rect = constrained_rect;
if (window->frame)
{
int new_w, new_h;
int new_x, new_y;
/* Compute new frame size */
new_w = window->rect.width + borders.invisible.left + borders.invisible.right;
if (window->shaded)
new_h = borders.total.top + borders.total.bottom;
else
new_h = window->rect.height + borders.invisible.top + borders.invisible.bottom;
if (new_w != window->frame->rect.width ||
new_h != window->frame->rect.height)
{
need_resize_frame = TRUE;
window->frame->rect.width = new_w;
window->frame->rect.height = new_h;
}
/* Compute new frame coords */
new_x = window->rect.x - borders.invisible.left;
new_y = window->rect.y - borders.invisible.top;
if (new_x != window->frame->rect.x ||
new_y != window->frame->rect.y)
{
need_move_frame = TRUE;
window->frame->rect.x = new_x;
window->frame->rect.y = new_y;
}
}
/* Calculate the new client rect */
meta_window_frame_rect_to_client_rect (window, &constrained_rect, &client_rect);
/* The above client_rect is in root window coordinates. The
* values we need to pass to XConfigureWindow are in parent
* coordinates, so if the window is in a frame, we need to
* correct the x/y positions here. */
if (window->frame)
{
client_rect.x = borders.total.left;
client_rect.y = borders.total.top;
}
if (client_rect.x != priv->client_rect.x ||
client_rect.y != priv->client_rect.y)
{
need_move_client = TRUE;
priv->client_rect.x = client_rect.x;
priv->client_rect.y = client_rect.y;
}
if (client_rect.width != priv->client_rect.width ||
client_rect.height != priv->client_rect.height)
{
need_resize_client = TRUE;
priv->client_rect.width = client_rect.width;
priv->client_rect.height = client_rect.height;
}
/* If frame extents have changed, fill in other frame fields and
change frame's extents property. */
if (window->frame &&
(window->frame->child_x != borders.total.left ||
window->frame->child_y != borders.total.top ||
window->frame->right_width != borders.total.right ||
window->frame->bottom_height != borders.total.bottom))
{
window->frame->child_x = borders.total.left;
window->frame->child_y = borders.total.top;
window->frame->right_width = borders.total.right;
window->frame->bottom_height = borders.total.bottom;
update_net_frame_extents (window);
}
/* See ICCCM 4.1.5 for when to send ConfigureNotify */
need_configure_notify = FALSE;
/* If this is a configure request and we change nothing, then we
* must send configure notify.
*/
if (is_configure_request &&
!(need_move_client || need_move_frame ||
need_resize_client || need_resize_frame ||
priv->border_width != 0))
need_configure_notify = TRUE;
/* We must send configure notify if we move but don't resize, since
* the client window may not get a real event
*/
if ((need_move_client || need_move_frame) &&
!(need_resize_client || need_resize_frame))
need_configure_notify = TRUE;
/* MapRequest events with a PPosition or UPosition hint with a frame
* are moved by mutter without resizing; send a configure notify
* in such cases. See #322840. (Note that window->constructing is
* only true iff this call is due to a MapRequest, and when
* PPosition/UPosition hints aren't set, mutter seems to send a
* ConfigureNotify anyway due to the above code.)
*/
if (window->constructing && window->frame &&
((window->size_hints.flags & PPosition) ||
(window->size_hints.flags & USPosition)))
need_configure_notify = TRUE;
/* If resizing, freeze commits - This is for Xwayland, and a no-op on Xorg */
if (need_resize_client || need_resize_frame)
{
if (!meta_window_x11_should_thaw_after_paint (window))
{
meta_window_x11_set_thaw_after_paint (window, TRUE);
meta_window_x11_freeze_commits (window);
}
}
/* The rest of this function syncs our new size/pos with X as
* efficiently as possible
*/
/* For nice effect, when growing the window we want to move/resize
* the frame first, when shrinking the window we want to move/resize
* the client first. If we grow one way and shrink the other,
* see which way we're moving "more"
*
* Mail from Owen subject "Suggestion: Gravity and resizing from the left"
* http://mail.gnome.org/archives/wm-spec-list/1999-November/msg00088.html
*
* An annoying fact you need to know in this code is that StaticGravity
* does nothing if you _only_ resize or _only_ move the frame;
* it must move _and_ resize, otherwise you get NorthWestGravity
* behavior. The move and resize must actually occur, it is not
* enough to set CWX | CWWidth but pass in the current size/pos.
*/
/* Normally, we configure the frame first depending on whether
* we grow the frame more than we shrink. The idea is to avoid
* messing up the window contents by having a temporary situation
* where the frame is smaller than the window. However, if we're
* cooperating with the client to create an atomic frame upate,
* and the window is redirected, then we should always update
* the frame first, since updating the frame will force a new
* backing pixmap to be allocated, and the old backing pixmap
* will be left undisturbed for us to paint to the screen until
* the client finishes redrawing.
*/
if (window->extended_sync_request_counter)
configure_frame_first = TRUE;
else
configure_frame_first = size_dx + size_dy >= 0;
if (configure_frame_first && window->frame)
frame_shape_changed = meta_frame_sync_to_window (window->frame, need_resize_frame);
values.border_width = 0;
values.x = client_rect.x;
values.y = client_rect.y;
values.width = client_rect.width;
values.height = client_rect.height;
mask = 0;
if (is_configure_request && priv->border_width != 0)
mask |= CWBorderWidth; /* must force to 0 */
if (need_move_client)
mask |= (CWX | CWY);
if (need_resize_client)
mask |= (CWWidth | CWHeight);
if (mask != 0)
{
meta_x11_error_trap_push (window->display->x11_display);
if (window == window->display->grab_window &&
meta_grab_op_is_resizing (window->display->grab_op) &&
!window->disable_sync &&
window->sync_request_counter != None &&
window->sync_request_alarm != None &&
window->sync_request_timeout_id == 0)
{
send_sync_request (window);
}
XConfigureWindow (window->display->x11_display->xdisplay,
window->xwindow,
mask,
&values);
meta_x11_error_trap_pop (window->display->x11_display);
}
if (!configure_frame_first && window->frame)
frame_shape_changed = meta_frame_sync_to_window (window->frame, need_resize_frame);
if (window->frame)
window->buffer_rect = window->frame->rect;
else
window->buffer_rect = client_rect;
if (need_configure_notify)
send_configure_notify (window);
if (priv->showing_resize_popup)
meta_window_refresh_resize_popup (window);
if (frame_shape_changed)
*result |= META_MOVE_RESIZE_RESULT_FRAME_SHAPE_CHANGED;
if (need_move_client || need_move_frame)
*result |= META_MOVE_RESIZE_RESULT_MOVED;
if (need_resize_client || need_resize_frame)
*result |= META_MOVE_RESIZE_RESULT_RESIZED;
if (flags & META_MOVE_RESIZE_STATE_CHANGED)
*result |= META_MOVE_RESIZE_RESULT_STATE_CHANGED;
update_gtk_edge_constraints (window);
}
static gboolean
meta_window_x11_update_struts (MetaWindow *window)
{
GSList *old_struts;
GSList *new_struts;
GSList *old_iter, *new_iter;
uint32_t *struts = NULL;
int nitems;
gboolean changed;
g_return_val_if_fail (!window->override_redirect, FALSE);
meta_verbose ("Updating struts for %s\n", window->desc);
old_struts = window->struts;
new_struts = NULL;
if (meta_prop_get_cardinal_list (window->display->x11_display,
window->xwindow,
window->display->x11_display->atom__NET_WM_STRUT_PARTIAL,
&struts, &nitems))
{
if (nitems != 12)
meta_verbose ("_NET_WM_STRUT_PARTIAL on %s has %d values instead "
"of 12\n",
window->desc, nitems);
else
{
/* Pull out the strut info for each side in the hint */
int i;
for (i=0; i<4; i++)
{
MetaStrut *temp;
int thickness, strut_begin, strut_end;
thickness = struts[i];
if (thickness == 0)
continue;
strut_begin = struts[4+(i*2)];
strut_end = struts[4+(i*2)+1];
temp = g_new0 (MetaStrut, 1);
temp->side = 1 << i; /* See MetaSide def. Matches nicely, eh? */
meta_display_get_size (window->display,
&temp->rect.width, &temp->rect.height);
switch (temp->side)
{
case META_SIDE_RIGHT:
temp->rect.x = BOX_RIGHT(temp->rect) - thickness;
G_GNUC_FALLTHROUGH;
case META_SIDE_LEFT:
temp->rect.width = thickness;
temp->rect.y = strut_begin;
temp->rect.height = strut_end - strut_begin + 1;
break;
case META_SIDE_BOTTOM:
temp->rect.y = BOX_BOTTOM(temp->rect) - thickness;
G_GNUC_FALLTHROUGH;
case META_SIDE_TOP:
temp->rect.height = thickness;
temp->rect.x = strut_begin;
temp->rect.width = strut_end - strut_begin + 1;
break;
default:
g_assert_not_reached ();
}
new_struts = g_slist_prepend (new_struts, temp);
}
meta_verbose ("_NET_WM_STRUT_PARTIAL struts %u %u %u %u for "
"window %s\n",
struts[0], struts[1], struts[2], struts[3],
window->desc);
}
g_free (struts);
}
else
{
meta_verbose ("No _NET_WM_STRUT property for %s\n",
window->desc);
}
if (!new_struts &&
meta_prop_get_cardinal_list (window->display->x11_display,
window->xwindow,
window->display->x11_display->atom__NET_WM_STRUT,
&struts, &nitems))
{
if (nitems != 4)
meta_verbose ("_NET_WM_STRUT on %s has %d values instead of 4\n",
window->desc, nitems);
else
{
/* Pull out the strut info for each side in the hint */
int i;
for (i=0; i<4; i++)
{
MetaStrut *temp;
int thickness;
thickness = struts[i];
if (thickness == 0)
continue;
temp = g_new0 (MetaStrut, 1);
temp->side = 1 << i;
meta_display_get_size (window->display,
&temp->rect.width, &temp->rect.height);
switch (temp->side)
{
case META_SIDE_RIGHT:
temp->rect.x = BOX_RIGHT(temp->rect) - thickness;
G_GNUC_FALLTHROUGH;
case META_SIDE_LEFT:
temp->rect.width = thickness;
break;
case META_SIDE_BOTTOM:
temp->rect.y = BOX_BOTTOM(temp->rect) - thickness;
G_GNUC_FALLTHROUGH;
case META_SIDE_TOP:
temp->rect.height = thickness;
break;
default:
g_assert_not_reached ();
}
new_struts = g_slist_prepend (new_struts, temp);
}
meta_verbose ("_NET_WM_STRUT struts %u %u %u %u for window %s\n",
struts[0], struts[1], struts[2], struts[3],
window->desc);
}
g_free (struts);
}
else if (!new_struts)
{
meta_verbose ("No _NET_WM_STRUT property for %s\n",
window->desc);
}
/* Determine whether old_struts and new_struts are the same */
old_iter = old_struts;
new_iter = new_struts;
while (old_iter && new_iter)
{
MetaStrut *old_strut = (MetaStrut*) old_iter->data;
MetaStrut *new_strut = (MetaStrut*) new_iter->data;
if (old_strut->side != new_strut->side ||
!meta_rectangle_equal (&old_strut->rect, &new_strut->rect))
break;
old_iter = old_iter->next;
new_iter = new_iter->next;
}
changed = (old_iter != NULL || new_iter != NULL);
/* Update appropriately */
g_slist_free_full (old_struts, g_free);
window->struts = new_struts;
return changed;
}
static void
meta_window_x11_get_default_skip_hints (MetaWindow *window,
gboolean *skip_taskbar_out,
gboolean *skip_pager_out)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
*skip_taskbar_out = priv->wm_state_skip_taskbar;
*skip_pager_out = priv->wm_state_skip_pager;
}
static gboolean
meta_window_x11_update_icon (MetaWindow *window,
cairo_surface_t **icon,
cairo_surface_t **mini_icon)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
return meta_read_icons (window->display->x11_display,
window->xwindow,
&priv->icon_cache,
priv->wm_hints_pixmap,
priv->wm_hints_mask,
icon,
META_ICON_WIDTH, META_ICON_HEIGHT,
mini_icon,
META_MINI_ICON_WIDTH, META_MINI_ICON_HEIGHT);
}
static void
meta_window_x11_update_main_monitor (MetaWindow *window,
MetaWindowUpdateMonitorFlags flags)
{
window->monitor = meta_window_calculate_main_logical_monitor (window);
}
static void
meta_window_x11_main_monitor_changed (MetaWindow *window,
const MetaLogicalMonitor *old)
{
}
static uint32_t
meta_window_x11_get_client_pid (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
xcb_connection_t *xcb = XGetXCBConnection (x11_display->xdisplay);
xcb_res_client_id_spec_t spec = { 0 };
xcb_res_query_client_ids_cookie_t cookie;
xcb_res_query_client_ids_reply_t *reply = NULL;
spec.client = window->xwindow;
spec.mask = XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID;
cookie = xcb_res_query_client_ids (xcb, 1, &spec);
reply = xcb_res_query_client_ids_reply (xcb, cookie, NULL);
if (reply == NULL)
return 0;
uint32_t pid = 0, *value;
xcb_res_client_id_value_iterator_t it;
for (it = xcb_res_query_client_ids_ids_iterator (reply);
it.rem;
xcb_res_client_id_value_next (&it))
{
spec = it.data->spec;
if (spec.mask & XCB_RES_CLIENT_ID_MASK_LOCAL_CLIENT_PID)
{
value = xcb_res_client_id_value_value (it.data);
pid = *value;
break;
}
}
free (reply);
return pid;
}
static void
meta_window_x11_force_restore_shortcuts (MetaWindow *window,
ClutterInputDevice *source)
{
/*
* Not needed on X11 because clients can use a keyboard grab
* to bypass the compositor shortcuts.
*/
}
static gboolean
meta_window_x11_shortcuts_inhibited (MetaWindow *window,
ClutterInputDevice *source)
{
/*
* On X11, we don't use a shortcuts inhibitor, clients just grab
* the keyboard.
*/
return FALSE;
}
void
meta_window_x11_set_wm_take_focus (MetaWindow *window,
gboolean take_focus)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
priv->wm_take_focus = take_focus;
}
static gboolean
meta_window_x11_is_focusable (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv =
meta_window_x11_get_instance_private (window_x11);
return window->input || priv->wm_take_focus;
}
static gboolean
meta_window_x11_is_stackable (MetaWindow *window)
{
return !window->override_redirect;
}
static gboolean
meta_window_x11_are_updates_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;
}
/* Get layer ignoring any transient or group relationships */
static MetaStackLayer
get_standalone_layer (MetaWindow *window)
{
MetaStackLayer layer;
switch (window->type)
{
case META_WINDOW_DESKTOP:
layer = META_LAYER_DESKTOP;
break;
case META_WINDOW_DOCK:
if (window->wm_state_below ||
(window->monitor && window->monitor->in_fullscreen))
layer = META_LAYER_BOTTOM;
else
layer = META_LAYER_DOCK;
break;
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_OVERRIDE_OTHER:
layer = META_LAYER_OVERRIDE_REDIRECT;
break;
default:
layer = meta_window_get_default_layer (window);
break;
}
return layer;
}
/* Note that this function can never use window->layer only
* get_standalone_layer, or we'd have issues.
*/
static MetaStackLayer
get_maximum_layer_in_group (MetaWindow *window)
{
GSList *members;
MetaGroup *group;
GSList *tmp;
MetaStackLayer max;
MetaStackLayer layer;
max = META_LAYER_DESKTOP;
group = meta_window_get_group (window);
if (group != NULL)
members = meta_group_list_windows (group);
else
members = NULL;
tmp = members;
while (tmp != NULL)
{
MetaWindow *w = tmp->data;
if (!w->override_redirect)
{
layer = get_standalone_layer (w);
if (layer > max)
max = layer;
}
tmp = tmp->next;
}
g_slist_free (members);
return max;
}
static MetaStackLayer
meta_window_x11_calculate_layer (MetaWindow *window)
{
MetaStackLayer layer = get_standalone_layer (window);
/* We can only do promotion-due-to-group for dialogs and other
* transients, or weird stuff happens like the desktop window and
* nautilus windows getting in the same layer, or all gnome-terminal
* windows getting in fullscreen layer if any terminal is
* fullscreen.
*/
if (layer != META_LAYER_DESKTOP &&
meta_window_has_transient_type (window) &&
window->transient_for == NULL)
{
/* We only do the group thing if the dialog is NOT transient for
* a particular window. Imagine a group with a normal window, a dock,
* and a dialog transient for the normal window; you don't want the dialog
* above the dock if it wouldn't normally be.
*/
MetaStackLayer group_max;
group_max = get_maximum_layer_in_group (window);
if (group_max > layer)
{
meta_topic (META_DEBUG_STACK,
"Promoting window %s from layer %u to %u due to group membership\n",
window->desc, layer, group_max);
layer = group_max;
}
}
meta_topic (META_DEBUG_STACK, "Window %s on layer %u type = %u has_focus = %d\n",
window->desc, layer,
window->type, window->has_focus);
return layer;
}
static void
meta_window_x11_impl_freeze_commits (MetaWindow *window)
{
}
static void
meta_window_x11_impl_thaw_commits (MetaWindow *window)
{
}
static void
meta_window_x11_map (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
meta_x11_error_trap_push (x11_display);
XMapWindow (x11_display->xdisplay, window->xwindow);
meta_x11_error_trap_pop (x11_display);
}
static void
meta_window_x11_unmap (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
meta_x11_error_trap_push (x11_display);
XUnmapWindow (x11_display->xdisplay, window->xwindow);
meta_x11_error_trap_pop (x11_display);
window->unmaps_pending ++;
}
static gboolean
meta_window_x11_impl_always_update_shape (MetaWindow *window)
{
return FALSE;
}
static void
meta_window_x11_class_init (MetaWindowX11Class *klass)
{
MetaWindowClass *window_class = META_WINDOW_CLASS (klass);
window_class->manage = meta_window_x11_manage;
window_class->unmanage = meta_window_x11_unmanage;
window_class->ping = meta_window_x11_ping;
window_class->delete = meta_window_x11_delete;
window_class->kill = meta_window_x11_kill;
window_class->focus = meta_window_x11_focus;
window_class->grab_op_began = meta_window_x11_grab_op_began;
window_class->grab_op_ended = meta_window_x11_grab_op_ended;
window_class->current_workspace_changed = meta_window_x11_current_workspace_changed;
window_class->move_resize_internal = meta_window_x11_move_resize_internal;
window_class->update_struts = meta_window_x11_update_struts;
window_class->get_default_skip_hints = meta_window_x11_get_default_skip_hints;
window_class->update_icon = meta_window_x11_update_icon;
window_class->update_main_monitor = meta_window_x11_update_main_monitor;
window_class->main_monitor_changed = meta_window_x11_main_monitor_changed;
window_class->get_client_pid = meta_window_x11_get_client_pid;
window_class->force_restore_shortcuts = meta_window_x11_force_restore_shortcuts;
window_class->shortcuts_inhibited = meta_window_x11_shortcuts_inhibited;
window_class->is_focusable = meta_window_x11_is_focusable;
window_class->is_stackable = meta_window_x11_is_stackable;
window_class->can_ping = meta_window_x11_can_ping;
window_class->are_updates_frozen = meta_window_x11_are_updates_frozen;
window_class->calculate_layer = meta_window_x11_calculate_layer;
window_class->map = meta_window_x11_map;
window_class->unmap = meta_window_x11_unmap;
klass->freeze_commits = meta_window_x11_impl_freeze_commits;
klass->thaw_commits = meta_window_x11_impl_thaw_commits;
klass->always_update_shape = meta_window_x11_impl_always_update_shape;
}
void
meta_window_x11_set_net_wm_state (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
int i;
unsigned long data[13];
i = 0;
if (window->shaded)
{
data[i] = x11_display->atom__NET_WM_STATE_SHADED;
++i;
}
if (priv->wm_state_modal)
{
data[i] = x11_display->atom__NET_WM_STATE_MODAL;
++i;
}
if (window->skip_pager)
{
data[i] = x11_display->atom__NET_WM_STATE_SKIP_PAGER;
++i;
}
if (window->skip_taskbar)
{
data[i] = x11_display->atom__NET_WM_STATE_SKIP_TASKBAR;
++i;
}
if (window->maximized_horizontally)
{
data[i] = x11_display->atom__NET_WM_STATE_MAXIMIZED_HORZ;
++i;
}
if (window->maximized_vertically)
{
data[i] = x11_display->atom__NET_WM_STATE_MAXIMIZED_VERT;
++i;
}
if (window->fullscreen)
{
data[i] = x11_display->atom__NET_WM_STATE_FULLSCREEN;
++i;
}
if (!meta_window_showing_on_its_workspace (window) || window->shaded)
{
data[i] = x11_display->atom__NET_WM_STATE_HIDDEN;
++i;
}
if (window->wm_state_above)
{
data[i] = x11_display->atom__NET_WM_STATE_ABOVE;
++i;
}
if (window->wm_state_below)
{
data[i] = x11_display->atom__NET_WM_STATE_BELOW;
++i;
}
if (window->wm_state_demands_attention)
{
data[i] = x11_display->atom__NET_WM_STATE_DEMANDS_ATTENTION;
++i;
}
if (window->on_all_workspaces_requested)
{
data[i] = x11_display->atom__NET_WM_STATE_STICKY;
++i;
}
if (meta_window_appears_focused (window))
{
data[i] = x11_display->atom__NET_WM_STATE_FOCUSED;
++i;
}
meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i);
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay, window->xwindow,
x11_display->atom__NET_WM_STATE,
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
meta_x11_error_trap_pop (x11_display);
if (window->fullscreen)
{
if (meta_window_has_fullscreen_monitors (window))
{
data[0] =
meta_x11_display_logical_monitor_to_xinerama_index (window->display->x11_display,
window->fullscreen_monitors.top);
data[1] =
meta_x11_display_logical_monitor_to_xinerama_index (window->display->x11_display,
window->fullscreen_monitors.bottom);
data[2] =
meta_x11_display_logical_monitor_to_xinerama_index (window->display->x11_display,
window->fullscreen_monitors.left);
data[3] =
meta_x11_display_logical_monitor_to_xinerama_index (window->display->x11_display,
window->fullscreen_monitors.right);
meta_verbose ("Setting _NET_WM_FULLSCREEN_MONITORS\n");
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__NET_WM_FULLSCREEN_MONITORS,
XA_CARDINAL, 32, PropModeReplace,
(guchar*) data, 4);
meta_x11_error_trap_pop (x11_display);
}
else
{
meta_verbose ("Clearing _NET_WM_FULLSCREEN_MONITORS\n");
meta_x11_error_trap_push (x11_display);
XDeleteProperty (x11_display->xdisplay,
window->xwindow,
x11_display->atom__NET_WM_FULLSCREEN_MONITORS);
meta_x11_error_trap_pop (x11_display);
}
}
/* Edge constraints */
update_gtk_edge_constraints (window);
}
static cairo_region_t *
region_create_from_x_rectangles (const XRectangle *rects,
int n_rects)
{
int i;
cairo_rectangle_int_t *cairo_rects = g_newa (cairo_rectangle_int_t, n_rects);
for (i = 0; i < n_rects; i ++)
{
cairo_rects[i].x = rects[i].x;
cairo_rects[i].y = rects[i].y;
cairo_rects[i].width = rects[i].width;
cairo_rects[i].height = rects[i].height;
}
return cairo_region_create_rectangles (cairo_rects, n_rects);
}
static void
meta_window_set_input_region (MetaWindow *window,
cairo_region_t *region)
{
if (cairo_region_equal (window->input_region, region))
return;
g_clear_pointer (&window->input_region, cairo_region_destroy);
if (region != NULL)
window->input_region = cairo_region_reference (region);
meta_compositor_window_shape_changed (window->display->compositor, window);
}
#if 0
/* Print out a region; useful for debugging */
static void
print_region (cairo_region_t *region)
{
int n_rects;
int i;
n_rects = cairo_region_num_rectangles (region);
g_print ("[");
for (i = 0; i < n_rects; i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (region, i, &rect);
g_print ("+%d+%dx%dx%d ",
rect.x, rect.y, rect.width, rect.height);
}
g_print ("]\n");
}
#endif
void
meta_window_x11_update_input_region (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
cairo_region_t *region = NULL;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
/* Decorated windows don't have an input region, because
we don't shape the frame to match the client windows
(so the events are blocked by the frame anyway)
*/
if (window->decorated)
{
if (window->input_region)
meta_window_set_input_region (window, NULL);
return;
}
if (META_X11_DISPLAY_HAS_SHAPE (x11_display))
{
/* Translate the set of XShape rectangles that we
* get from the X server to a cairo_region. */
XRectangle *rects = NULL;
int n_rects = -1, ordering;
meta_x11_error_trap_push (x11_display);
rects = XShapeGetRectangles (x11_display->xdisplay,
window->xwindow,
ShapeInput,
&n_rects,
&ordering);
meta_x11_error_trap_pop (x11_display);
/* XXX: The X Shape specification is quite unfortunately specified.
*
* By default, the window has a shape the same as its bounding region,
* which we consider "NULL".
*
* If the window sets an empty region, then we'll get n_rects as 0
* and rects as NULL, which we need to transform back into an empty
* region.
*
* It would be great to have a less-broken extension for this, but
* hey, it's X11!
*/
if (n_rects == -1)
{
/* We had an error. */
region = NULL;
}
else if (n_rects == 0)
{
/* Client set an empty region. */
region = cairo_region_create ();
}
else if (n_rects == 1 &&
(rects[0].x == 0 &&
rects[0].y == 0 &&
rects[0].width == priv->client_rect.width &&
rects[0].height == priv->client_rect.height))
{
/* This is the bounding region case. Keep the
* region as NULL. */
region = NULL;
}
else
{
/* Window has a custom shape. */
region = region_create_from_x_rectangles (rects, n_rects);
}
meta_XFree (rects);
}
if (region != NULL)
{
cairo_rectangle_int_t client_area;
client_area.x = 0;
client_area.y = 0;
client_area.width = priv->client_rect.width;
client_area.height = priv->client_rect.height;
/* The shape we get back from the client may have coordinates
* outside of the frame. The X SHAPE Extension requires that
* the overall shape the client provides never exceeds the
* "bounding rectangle" of the window -- the shape that the
* window would have gotten if it was unshaped. In our case,
* this is simply the client area.
*/
cairo_region_intersect_rectangle (region, &client_area);
}
meta_window_set_input_region (window, region);
cairo_region_destroy (region);
}
static void
meta_window_set_shape_region (MetaWindow *window,
cairo_region_t *region)
{
if (cairo_region_equal (window->shape_region, region))
return;
g_clear_pointer (&window->shape_region, cairo_region_destroy);
if (region != NULL)
window->shape_region = cairo_region_reference (region);
meta_compositor_window_shape_changed (window->display->compositor, window);
}
void
meta_window_x11_update_shape_region (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
cairo_region_t *region = NULL;
if (META_X11_DISPLAY_HAS_SHAPE (x11_display))
{
/* Translate the set of XShape rectangles that we
* get from the X server to a cairo_region. */
XRectangle *rects = NULL;
int n_rects, ordering;
int x_bounding, y_bounding, x_clip, y_clip;
unsigned w_bounding, h_bounding, w_clip, h_clip;
int bounding_shaped, clip_shaped;
meta_x11_error_trap_push (x11_display);
XShapeQueryExtents (x11_display->xdisplay, window->xwindow,
&bounding_shaped, &x_bounding, &y_bounding,
&w_bounding, &h_bounding,
&clip_shaped, &x_clip, &y_clip,
&w_clip, &h_clip);
if (bounding_shaped)
{
rects = XShapeGetRectangles (x11_display->xdisplay,
window->xwindow,
ShapeBounding,
&n_rects,
&ordering);
}
meta_x11_error_trap_pop (x11_display);
if (rects)
{
region = region_create_from_x_rectangles (rects, n_rects);
XFree (rects);
}
}
if (region != NULL)
{
cairo_rectangle_int_t client_area;
client_area.x = 0;
client_area.y = 0;
client_area.width = priv->client_rect.width;
client_area.height = priv->client_rect.height;
/* The shape we get back from the client may have coordinates
* outside of the frame. The X SHAPE Extension requires that
* the overall shape the client provides never exceeds the
* "bounding rectangle" of the window -- the shape that the
* window would have gotten if it was unshaped. In our case,
* this is simply the client area.
*/
cairo_region_intersect_rectangle (region, &client_area);
/* Some applications might explicitly set their bounding region
* to the client area. Detect these cases, and throw out the
* bounding region in this case for decorated windows. */
if (window->decorated &&
cairo_region_contains_rectangle (region, &client_area) == CAIRO_REGION_OVERLAP_IN)
g_clear_pointer (®ion, cairo_region_destroy);
}
meta_window_set_shape_region (window, region);
cairo_region_destroy (region);
}
/* Generally meta_window_same_application() is a better idea
* of "sameness", since it handles the case where multiple apps
* want to look like the same app or the same app wants to look
* like multiple apps, but in the case of workarounds for legacy
* applications (which likely aren't setting the group properly
* anyways), it may be desirable to check this as well.
*/
static gboolean
meta_window_same_client (MetaWindow *window,
MetaWindow *other_window)
{
int resource_mask = window->display->x11_display->xdisplay->resource_mask;
return ((window->xwindow & ~resource_mask) ==
(other_window->xwindow & ~resource_mask));
}
static void
meta_window_move_resize_request (MetaWindow *window,
guint value_mask,
int gravity,
int new_x,
int new_y,
int new_width,
int new_height)
{
int x, y, width, height;
gboolean allow_position_change;
gboolean in_grab_op;
MetaMoveResizeFlags flags;
/* We ignore configure requests while the user is moving/resizing
* the window, since these represent the app sucking and fighting
* the user, most likely due to a bug in the app (e.g. pfaedit
* seemed to do this)
*
* Still have to do the ConfigureNotify and all, but pretend the
* app asked for the current size/position instead of the new one.
*/
in_grab_op = (window->display->grab_window == window &&
meta_grab_op_is_mouse (window->display->grab_op));
/* it's essential to use only the explicitly-set fields,
* and otherwise use our current up-to-date position.
*
* Otherwise you get spurious position changes when the app changes
* size, for example, if window->rect is not in sync with the
* server-side position in effect when the configure request was
* generated.
*/
meta_window_get_gravity_position (window,
gravity,
&x, &y);
allow_position_change = FALSE;
if (meta_prefs_get_disable_workarounds ())
{
if (window->type == META_WINDOW_DIALOG ||
window->type == META_WINDOW_MODAL_DIALOG ||
window->type == META_WINDOW_SPLASHSCREEN)
; /* No position change for these */
else if ((window->size_hints.flags & PPosition) ||
/* USPosition is just stale if window is placed;
* no --geometry involved here.
*/
((window->size_hints.flags & USPosition) &&
!window->placed))
allow_position_change = TRUE;
}
else
{
allow_position_change = TRUE;
}
if (in_grab_op)
allow_position_change = FALSE;
if (allow_position_change)
{
if (value_mask & CWX)
x = new_x;
if (value_mask & CWY)
y = new_y;
if (value_mask & (CWX | CWY))
{
/* Once manually positioned, windows shouldn't be placed
* by the window manager.
*/
window->placed = TRUE;
}
}
else
{
meta_topic (META_DEBUG_GEOMETRY,
"Not allowing position change for window %s PPosition 0x%lx USPosition 0x%lx type %u\n",
window->desc, window->size_hints.flags & PPosition,
window->size_hints.flags & USPosition,
window->type);
}
width = window->rect.width;
height = window->rect.height;
if (!in_grab_op)
{
if (value_mask & CWWidth)
width = new_width;
if (value_mask & CWHeight)
height = new_height;
}
/* ICCCM 4.1.5 */
/* We're ignoring the value_mask here, since sizes
* not in the mask will be the current window geometry.
*/
window->size_hints.x = x;
window->size_hints.y = y;
window->size_hints.width = width;
window->size_hints.height = height;
/* NOTE: We consider ConfigureRequests to be "user" actions in one
* way, but not in another. Explanation of the two cases are in the
* next two big comments.
*/
/* The constraints code allows user actions to move windows
* offscreen, etc., and configure request actions would often send
* windows offscreen when users don't want it if not constrained
* (e.g. hitting a dropdown triangle in a fileselector to show more
* options, which makes the window bigger). Thus we do not set
* META_MOVE_RESIZE_USER_ACTION in flags to the
* meta_window_move_resize_internal() call.
*/
flags = META_MOVE_RESIZE_CONFIGURE_REQUEST;
if (value_mask & (CWX | CWY))
flags |= META_MOVE_RESIZE_MOVE_ACTION;
if (value_mask & (CWWidth | CWHeight))
flags |= META_MOVE_RESIZE_RESIZE_ACTION;
if (flags & (META_MOVE_RESIZE_MOVE_ACTION | META_MOVE_RESIZE_RESIZE_ACTION))
{
MetaRectangle rect;
rect.x = x;
rect.y = y;
rect.width = width;
rect.height = height;
if (window->monitor)
{
MetaRectangle monitor_rect;
meta_display_get_monitor_geometry (window->display,
window->monitor->number,
&monitor_rect);
/* Workaround braindead legacy apps that don't know how to
* fullscreen themselves properly - don't get fooled by
* windows which hide their titlebar when maximized or which are
* client decorated; that's not the same as fullscreen, even
* if there are no struts making the workarea smaller than
* the monitor.
*/
if (meta_prefs_get_force_fullscreen() &&
(window->decorated || !meta_window_is_client_decorated (window)) &&
meta_rectangle_equal (&rect, &monitor_rect) &&
window->has_fullscreen_func &&
!window->fullscreen)
{
/*
meta_topic (META_DEBUG_GEOMETRY,
*/
meta_warning (
"Treating resize request of legacy application %s as a "
"fullscreen request\n",
window->desc);
meta_window_make_fullscreen_internal (window);
}
}
adjust_for_gravity (window, TRUE, gravity, &rect);
meta_window_client_rect_to_frame_rect (window, &rect, &rect);
meta_window_move_resize_internal (window, flags, gravity, rect);
}
}
static void
restack_window (MetaWindow *window,
MetaWindow *sibling,
int direction)
{
switch (direction)
{
case Above:
if (sibling)
meta_window_stack_just_above (window, sibling);
else
meta_window_raise (window);
break;
case Below:
if (sibling)
meta_window_stack_just_below (window, sibling);
else
meta_window_lower (window);
break;
case TopIf:
case BottomIf:
case Opposite:
break;
}
}
gboolean
meta_window_x11_configure_request (MetaWindow *window,
XEvent *event)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
/* Note that x, y is the corner of the window border,
* and width, height is the size of the window inside
* its border, but that we always deny border requests
* and give windows a border of 0. But we save the
* requested border here.
*/
if (event->xconfigurerequest.value_mask & CWBorderWidth)
priv->border_width = event->xconfigurerequest.border_width;
meta_window_move_resize_request(window,
event->xconfigurerequest.value_mask,
window->size_hints.win_gravity,
event->xconfigurerequest.x,
event->xconfigurerequest.y,
event->xconfigurerequest.width,
event->xconfigurerequest.height);
/* Handle stacking. We only handle raises/lowers, mostly because
* stack.c really can't deal with anything else. I guess we'll fix
* that if a client turns up that really requires it. Only a very
* few clients even require the raise/lower (and in fact all client
* attempts to deal with stacking order are essentially broken,
* since they have no idea what other clients are involved or how
* the stack looks).
*
* I'm pretty sure no interesting client uses TopIf, BottomIf, or
* Opposite anyway.
*/
if (event->xconfigurerequest.value_mask & CWStackMode)
{
MetaWindow *active_window;
active_window = window->display->focus_window;
if (meta_prefs_get_disable_workarounds ())
{
meta_topic (META_DEBUG_STACK,
"%s sent an xconfigure stacking request; this is "
"broken behavior and the request is being ignored.\n",
window->desc);
}
else if (active_window &&
!meta_window_same_application (window, active_window) &&
!meta_window_same_client (window, active_window) &&
XSERVER_TIME_IS_BEFORE (window->net_wm_user_time,
active_window->net_wm_user_time))
{
meta_topic (META_DEBUG_STACK,
"Ignoring xconfigure stacking request from %s (with "
"user_time %u); currently active application is %s (with "
"user_time %u).\n",
window->desc,
window->net_wm_user_time,
active_window->desc,
active_window->net_wm_user_time);
if (event->xconfigurerequest.detail == Above)
meta_window_set_demands_attention(window);
}
else
{
MetaWindow *sibling = NULL;
/* Handle Above/Below with a sibling set */
if (event->xconfigurerequest.above != None)
{
MetaDisplay *display;
display = meta_window_get_display (window);
sibling = meta_x11_display_lookup_x_window (display->x11_display,
event->xconfigurerequest.above);
if (sibling == NULL)
return TRUE;
meta_topic (META_DEBUG_STACK,
"xconfigure stacking request from window %s sibling %s stackmode %d\n",
window->desc, sibling->desc, event->xconfigurerequest.detail);
}
restack_window (window, sibling, event->xconfigurerequest.detail);
}
}
return TRUE;
}
static gboolean
process_property_notify (MetaWindow *window,
XPropertyEvent *event)
{
Window xid = window->xwindow;
if (meta_is_verbose ()) /* avoid looking up the name if we don't have to */
{
char *property_name = XGetAtomName (window->display->x11_display->xdisplay,
event->atom);
meta_verbose ("Property notify on %s for %s\n",
window->desc, property_name);
XFree (property_name);
}
if (event->atom == window->display->x11_display->atom__NET_WM_USER_TIME &&
window->user_time_window)
{
xid = window->user_time_window;
}
meta_window_reload_property_from_xwindow (window, xid, event->atom, FALSE);
return TRUE;
}
gboolean
meta_window_x11_property_notify (MetaWindow *window,
XEvent *event)
{
return process_property_notify (window, &event->xproperty);
}
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
#define _NET_WM_MOVERESIZE_SIZE_TOP 1
#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
#define _NET_WM_MOVERESIZE_MOVE 8
#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9
#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10
#define _NET_WM_MOVERESIZE_CANCEL 11
static int
query_pressed_buttons (MetaWindow *window)
{
MetaCursorTracker *tracker = meta_cursor_tracker_get_for_display (window->display);
ClutterModifierType mods;
int button = 0;
meta_cursor_tracker_get_pointer (tracker, NULL, NULL, &mods);
if (mods & CLUTTER_BUTTON1_MASK)
button |= 1 << 1;
if (mods & CLUTTER_BUTTON2_MASK)
button |= 1 << 2;
if (mods & CLUTTER_BUTTON3_MASK)
button |= 1 << 3;
return button;
}
static void
handle_net_restack_window (MetaDisplay *display,
XEvent *event)
{
MetaWindow *window, *sibling = NULL;
/* Ignore if this does not come from a pager, see the WM spec
*/
if (event->xclient.data.l[0] != 2)
return;
window = meta_x11_display_lookup_x_window (display->x11_display,
event->xclient.window);
if (window)
{
if (event->xclient.data.l[1])
sibling = meta_x11_display_lookup_x_window (display->x11_display,
event->xclient.data.l[1]);
restack_window (window, sibling, event->xclient.data.l[2]);
}
}
gboolean
meta_window_x11_client_message (MetaWindow *window,
XEvent *event)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
MetaDisplay *display;
display = window->display;
if (window->override_redirect)
{
/* Don't warn here: we could warn on any of the messages below,
* but we might also receive other client messages that are
* part of protocols we don't know anything about. So, silently
* ignoring is simplest.
*/
return FALSE;
}
if (event->xclient.message_type ==
x11_display->atom__NET_CLOSE_WINDOW)
{
guint32 timestamp;
if (event->xclient.data.l[0] != 0)
timestamp = event->xclient.data.l[0];
else
{
meta_warning ("Receiving a NET_CLOSE_WINDOW message for %s without "
"a timestamp! This means some buggy (outdated) "
"application is on the loose!\n",
window->desc);
timestamp = meta_display_get_current_time (window->display);
}
meta_window_delete (window, timestamp);
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom__NET_WM_DESKTOP)
{
int space;
MetaWorkspaceManager *workspace_manager = window->display->workspace_manager;
MetaWorkspace *workspace;
space = event->xclient.data.l[0];
meta_verbose ("Request to move %s to workspace %d\n",
window->desc, space);
workspace =
meta_workspace_manager_get_workspace_by_index (workspace_manager,
space);
if (workspace)
meta_window_change_workspace (window, workspace);
else if (space == (int) 0xFFFFFFFF)
meta_window_stick (window);
else
meta_verbose ("No such workspace %d for screen\n", space);
meta_verbose ("Window %s now on_all_workspaces = %d\n",
window->desc, window->on_all_workspaces);
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom__NET_WM_STATE)
{
gulong action;
Atom first;
Atom second;
action = event->xclient.data.l[0];
first = event->xclient.data.l[1];
second = event->xclient.data.l[2];
if (meta_is_verbose ())
{
char *str1;
char *str2;
meta_x11_error_trap_push (x11_display);
str1 = XGetAtomName (x11_display->xdisplay, first);
if (meta_x11_error_trap_pop_with_return (x11_display) != Success)
str1 = NULL;
meta_x11_error_trap_push (x11_display);
str2 = XGetAtomName (x11_display->xdisplay, second);
if (meta_x11_error_trap_pop_with_return (x11_display) != Success)
str2 = NULL;
meta_verbose ("Request to change _NET_WM_STATE action %lu atom1: %s atom2: %s\n",
action,
str1 ? str1 : "(unknown)",
str2 ? str2 : "(unknown)");
meta_XFree (str1);
meta_XFree (str2);
}
if (first == x11_display->atom__NET_WM_STATE_SHADED ||
second == x11_display->atom__NET_WM_STATE_SHADED)
{
gboolean shade;
guint32 timestamp;
/* Stupid protocol has no timestamp; of course, shading
* sucks anyway so who really cares that we're forced to do
* a roundtrip here?
*/
timestamp = meta_display_get_current_time_roundtrip (window->display);
shade = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->shaded));
if (shade && window->has_shade_func)
meta_window_shade (window, timestamp);
else
meta_window_unshade (window, timestamp);
}
if (first == x11_display->atom__NET_WM_STATE_FULLSCREEN ||
second == x11_display->atom__NET_WM_STATE_FULLSCREEN)
{
gboolean make_fullscreen;
make_fullscreen = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->fullscreen));
if (make_fullscreen && window->has_fullscreen_func)
meta_window_make_fullscreen (window);
else
meta_window_unmake_fullscreen (window);
}
if (first == x11_display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
second == x11_display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
first == x11_display->atom__NET_WM_STATE_MAXIMIZED_VERT ||
second == x11_display->atom__NET_WM_STATE_MAXIMIZED_VERT)
{
gboolean max;
MetaMaximizeFlags directions = 0;
max = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE &&
!window->maximized_horizontally));
if (first == x11_display->atom__NET_WM_STATE_MAXIMIZED_HORZ ||
second == x11_display->atom__NET_WM_STATE_MAXIMIZED_HORZ)
directions |= META_MAXIMIZE_HORIZONTAL;
if (first == x11_display->atom__NET_WM_STATE_MAXIMIZED_VERT ||
second == x11_display->atom__NET_WM_STATE_MAXIMIZED_VERT)
directions |= META_MAXIMIZE_VERTICAL;
if (max && window->has_maximize_func)
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
meta_window_maximize (window, directions);
}
else
{
if (meta_prefs_get_raise_on_click ())
meta_window_raise (window);
meta_window_unmaximize (window, directions);
}
}
if (first == x11_display->atom__NET_WM_STATE_MODAL ||
second == x11_display->atom__NET_WM_STATE_MODAL)
{
priv->wm_state_modal =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !priv->wm_state_modal);
meta_window_x11_recalc_window_type (window);
meta_window_queue(window, META_QUEUE_MOVE_RESIZE);
}
if (first == x11_display->atom__NET_WM_STATE_SKIP_PAGER ||
second == x11_display->atom__NET_WM_STATE_SKIP_PAGER)
{
priv->wm_state_skip_pager =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->skip_pager);
meta_window_recalc_features (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == x11_display->atom__NET_WM_STATE_SKIP_TASKBAR ||
second == x11_display->atom__NET_WM_STATE_SKIP_TASKBAR)
{
priv->wm_state_skip_taskbar =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->skip_taskbar);
meta_window_recalc_features (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == x11_display->atom__NET_WM_STATE_ABOVE ||
second == x11_display->atom__NET_WM_STATE_ABOVE)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention))
meta_window_make_above (window);
else
meta_window_unmake_above (window);
}
if (first == x11_display->atom__NET_WM_STATE_BELOW ||
second == x11_display->atom__NET_WM_STATE_BELOW)
{
window->wm_state_below =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_below);
meta_window_update_layer (window);
meta_window_x11_set_net_wm_state (window);
}
if (first == x11_display->atom__NET_WM_STATE_DEMANDS_ATTENTION ||
second == x11_display->atom__NET_WM_STATE_DEMANDS_ATTENTION)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention))
meta_window_set_demands_attention (window);
else
meta_window_unset_demands_attention (window);
}
if (first == x11_display->atom__NET_WM_STATE_STICKY ||
second == x11_display->atom__NET_WM_STATE_STICKY)
{
if ((action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->on_all_workspaces_requested))
meta_window_stick (window);
else
meta_window_unstick (window);
}
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom_WM_CHANGE_STATE)
{
meta_verbose ("WM_CHANGE_STATE client message, state: %ld\n",
event->xclient.data.l[0]);
if (event->xclient.data.l[0] == IconicState)
meta_window_minimize (window);
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom__NET_WM_MOVERESIZE)
{
int x_root;
int y_root;
int action;
MetaGrabOp op;
int button;
guint32 timestamp;
/* _NET_WM_MOVERESIZE messages are almost certainly going to come from
* clients when users click on the fake "frame" that the client has,
* thus we should also treat such messages as though it were a
* "frame action".
*/
gboolean const frame_action = TRUE;
x_root = event->xclient.data.l[0];
y_root = event->xclient.data.l[1];
action = event->xclient.data.l[2];
button = event->xclient.data.l[3];
/* FIXME: What a braindead protocol; no timestamp?!? */
timestamp = meta_display_get_current_time_roundtrip (display);
meta_topic (META_DEBUG_WINDOW_OPS,
"Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d, button %d\n",
window->desc,
x_root, y_root, action, button);
op = META_GRAB_OP_NONE;
switch (action)
{
case _NET_WM_MOVERESIZE_SIZE_TOPLEFT:
op = META_GRAB_OP_RESIZING_NW;
break;
case _NET_WM_MOVERESIZE_SIZE_TOP:
op = META_GRAB_OP_RESIZING_N;
break;
case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT:
op = META_GRAB_OP_RESIZING_NE;
break;
case _NET_WM_MOVERESIZE_SIZE_RIGHT:
op = META_GRAB_OP_RESIZING_E;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT:
op = META_GRAB_OP_RESIZING_SE;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOM:
op = META_GRAB_OP_RESIZING_S;
break;
case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT:
op = META_GRAB_OP_RESIZING_SW;
break;
case _NET_WM_MOVERESIZE_SIZE_LEFT:
op = META_GRAB_OP_RESIZING_W;
break;
case _NET_WM_MOVERESIZE_MOVE:
op = META_GRAB_OP_MOVING;
break;
case _NET_WM_MOVERESIZE_SIZE_KEYBOARD:
op = META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN;
break;
case _NET_WM_MOVERESIZE_MOVE_KEYBOARD:
op = META_GRAB_OP_KEYBOARD_MOVING;
break;
case _NET_WM_MOVERESIZE_CANCEL:
/* handled below */
break;
default:
break;
}
if (action == _NET_WM_MOVERESIZE_CANCEL)
{
meta_display_end_grab_op (window->display, timestamp);
}
else if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_KEYBOARD_MOVING) ||
(window->has_resize_func && op == META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN)))
{
meta_window_begin_grab_op (window, op, frame_action, timestamp);
}
else if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_MOVING) ||
(window->has_resize_func &&
(op != META_GRAB_OP_MOVING &&
op != META_GRAB_OP_KEYBOARD_MOVING))))
{
int button_mask;
meta_topic (META_DEBUG_WINDOW_OPS,
"Beginning move/resize with button = %d\n", button);
meta_display_begin_grab_op (window->display,
window,
op,
FALSE,
frame_action,
button, 0,
timestamp,
x_root,
y_root);
button_mask = query_pressed_buttons (window);
if (button == 0)
{
/*
* the button SHOULD already be included in the message
*/
if ((button_mask & (1 << 1)) != 0)
button = 1;
else if ((button_mask & (1 << 2)) != 0)
button = 2;
else if ((button_mask & (1 << 3)) != 0)
button = 3;
if (button != 0)
window->display->grab_button = button;
else
meta_display_end_grab_op (window->display,
timestamp);
}
else
{
/* There is a potential race here. If the user presses and
* releases their mouse button very fast, it's possible for
* both the ButtonPress and ButtonRelease to be sent to the
* client before it can get a chance to send _NET_WM_MOVERESIZE
* to us. When that happens, we'll become stuck in a grab
* state, as we haven't received a ButtonRelease to cancel the
* grab.
*
* We can solve this by querying after we take the explicit
* pointer grab -- if the button isn't pressed, we cancel the
* drag immediately.
*/
if ((button_mask & (1 << button)) == 0)
meta_display_end_grab_op (window->display, timestamp);
}
}
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom__NET_MOVERESIZE_WINDOW)
{
int gravity;
guint value_mask;
gravity = (event->xclient.data.l[0] & 0xff);
value_mask = (event->xclient.data.l[0] & 0xf00) >> 8;
/* source = (event->xclient.data.l[0] & 0xf000) >> 12; */
if (gravity == 0)
gravity = window->size_hints.win_gravity;
meta_window_move_resize_request(window,
value_mask,
gravity,
event->xclient.data.l[1], /* x */
event->xclient.data.l[2], /* y */
event->xclient.data.l[3], /* width */
event->xclient.data.l[4]); /* height */
}
else if (event->xclient.message_type ==
x11_display->atom__NET_ACTIVE_WINDOW)
{
MetaClientType source_indication;
guint32 timestamp;
meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s', activating\n",
window->desc);
source_indication = event->xclient.data.l[0];
timestamp = event->xclient.data.l[1];
if (source_indication > META_CLIENT_TYPE_MAX_RECOGNIZED)
source_indication = META_CLIENT_TYPE_UNKNOWN;
if (timestamp == 0)
{
/* Client using older EWMH _NET_ACTIVE_WINDOW without a timestamp */
meta_warning ("Buggy client sent a _NET_ACTIVE_WINDOW message with a "
"timestamp of 0 for %s\n",
window->desc);
timestamp = meta_display_get_current_time (display);
}
meta_window_activate_full (window, timestamp, source_indication, NULL);
return TRUE;
}
else if (event->xclient.message_type ==
x11_display->atom__NET_WM_FULLSCREEN_MONITORS)
{
MetaLogicalMonitor *top, *bottom, *left, *right;
meta_verbose ("_NET_WM_FULLSCREEN_MONITORS request for window '%s'\n",
window->desc);
top =
meta_x11_display_xinerama_index_to_logical_monitor (window->display->x11_display,
event->xclient.data.l[0]);
bottom =
meta_x11_display_xinerama_index_to_logical_monitor (window->display->x11_display,
event->xclient.data.l[1]);
left =
meta_x11_display_xinerama_index_to_logical_monitor (window->display->x11_display,
event->xclient.data.l[2]);
right =
meta_x11_display_xinerama_index_to_logical_monitor (window->display->x11_display,
event->xclient.data.l[3]);
/* source_indication = event->xclient.data.l[4]; */
meta_window_update_fullscreen_monitors (window, top, bottom, left, right);
}
else if (event->xclient.message_type ==
x11_display->atom__GTK_SHOW_WINDOW_MENU)
{
gulong x, y;
/* l[0] is device_id, which we don't use */
x = event->xclient.data.l[1];
y = event->xclient.data.l[2];
meta_window_show_menu (window, META_WINDOW_MENU_WM, x, y);
}
else if (event->xclient.message_type ==
x11_display->atom__NET_RESTACK_WINDOW)
{
handle_net_restack_window (display, event);
}
return FALSE;
}
static void
set_wm_state_on_xwindow (MetaDisplay *display,
Window xwindow,
int state)
{
unsigned long data[2];
/* Mutter doesn't use icon windows, so data[1] should be None
* according to the ICCCM 2.0 Section 4.1.3.1.
*/
data[0] = state;
data[1] = None;
meta_x11_error_trap_push (display->x11_display);
XChangeProperty (display->x11_display->xdisplay, xwindow,
display->x11_display->atom_WM_STATE,
display->x11_display->atom_WM_STATE,
32, PropModeReplace, (guchar*) data, 2);
meta_x11_error_trap_pop (display->x11_display);
}
void
meta_window_x11_set_wm_state (MetaWindow *window)
{
int state;
if (window->withdrawn)
state = WithdrawnState;
else if (window->iconic)
state = IconicState;
else
state = NormalState;
set_wm_state_on_xwindow (window->display, window->xwindow, state);
}
/* The MUTTER_WM_CLASS_FILTER environment variable is designed for
* performance and regression testing environments where we want to do
* tests with only a limited set of windows and ignore all other windows
*
* When it is set to a comma separated list of WM_CLASS class names, all
* windows not matching the list will be ignored.
*
* Returns TRUE if window has been filtered out and should be ignored.
*/
static gboolean
maybe_filter_xwindow (MetaDisplay *display,
Window xwindow,
gboolean must_be_viewable,
XWindowAttributes *attrs)
{
static char **filter_wm_classes = NULL;
static gboolean initialized = FALSE;
XClassHint class_hint;
gboolean filtered;
Status success;
int i;
if (!initialized)
{
const char *filter_string = g_getenv ("MUTTER_WM_CLASS_FILTER");
if (filter_string)
filter_wm_classes = g_strsplit (filter_string, ",", -1);
initialized = TRUE;
}
if (!filter_wm_classes || !filter_wm_classes[0])
return FALSE;
filtered = TRUE;
meta_x11_error_trap_push (display->x11_display);
success = XGetClassHint (display->x11_display->xdisplay,
xwindow, &class_hint);
if (success)
{
for (i = 0; filter_wm_classes[i]; i++)
{
if (strcmp (class_hint.res_class, filter_wm_classes[i]) == 0)
{
filtered = FALSE;
break;
}
}
XFree (class_hint.res_name);
XFree (class_hint.res_class);
}
if (filtered)
{
/* We want to try and get the window managed by the next WM that come along,
* so we need to make sure that windows that are requested to be mapped while
* Mutter is running (!must_be_viewable), or windows already viewable at startup
* get a non-withdrawn WM_STATE property. Previously unmapped windows are left
* with whatever WM_STATE property they had.
*/
if (!must_be_viewable || attrs->map_state == IsViewable)
{
uint32_t old_state;
if (!meta_prop_get_cardinal_with_atom_type (display->x11_display, xwindow,
display->x11_display->atom_WM_STATE,
display->x11_display->atom_WM_STATE,
&old_state))
old_state = WithdrawnState;
if (old_state == WithdrawnState)
set_wm_state_on_xwindow (display, xwindow, NormalState);
}
/* Make sure filtered windows are hidden from view */
XUnmapWindow (display->x11_display->xdisplay, xwindow);
}
meta_x11_error_trap_pop (display->x11_display);
return filtered;
}
static gboolean
is_our_xwindow (MetaX11Display *x11_display,
Window xwindow,
XWindowAttributes *attrs)
{
if (xwindow == x11_display->no_focus_window)
return TRUE;
if (xwindow == x11_display->wm_sn_selection_window)
return TRUE;
if (xwindow == x11_display->wm_cm_selection_window)
return TRUE;
if (xwindow == x11_display->guard_window)
return TRUE;
if (xwindow == x11_display->composite_overlay_window)
return TRUE;
{
MetaBackend *backend = meta_get_backend ();
if (META_IS_BACKEND_X11 (backend))
{
if (xwindow == meta_backend_x11_get_xwindow (META_BACKEND_X11 (backend)))
return TRUE;
}
}
/* Any windows created via meta_create_offscreen_window */
if (attrs->override_redirect && attrs->x == -100 && attrs->y == -100 && attrs->width == 1 && attrs->height == 1)
return TRUE;
return FALSE;
}
#ifdef WITH_VERBOSE_MODE
static const char*
wm_state_to_string (int state)
{
switch (state)
{
case NormalState:
return "NormalState";
case IconicState:
return "IconicState";
case WithdrawnState:
return "WithdrawnState";
}
return "Unknown";
}
#endif
MetaWindow *
meta_window_x11_new (MetaDisplay *display,
Window xwindow,
gboolean must_be_viewable,
MetaCompEffect effect)
{
MetaX11Display *x11_display = display->x11_display;
XWindowAttributes attrs;
gulong existing_wm_state;
MetaWindow *window = NULL;
gulong event_mask;
meta_verbose ("Attempting to manage 0x%lx\n", xwindow);
if (meta_x11_display_xwindow_is_a_no_focus_window (x11_display, xwindow))
{
meta_verbose ("Not managing no_focus_window 0x%lx\n",
xwindow);
return NULL;
}
meta_x11_error_trap_push (x11_display); /* Push a trap over all of window
* creation, to reduce XSync() calls
*/
/*
* This function executes without any server grabs held. This means that
* the window could have already gone away, or could go away at any point,
* so we must be careful with X error handling.
*/
if (!XGetWindowAttributes (x11_display->xdisplay, xwindow, &attrs))
{
meta_verbose ("Failed to get attributes for window 0x%lx\n",
xwindow);
goto error;
}
if (attrs.root != x11_display->xroot)
{
meta_verbose ("Not on our screen\n");
goto error;
}
if (attrs.class == InputOnly)
{
meta_verbose ("Not managing InputOnly windows\n");
goto error;
}
if (is_our_xwindow (x11_display, xwindow, &attrs))
{
meta_verbose ("Not managing our own windows\n");
goto error;
}
if (maybe_filter_xwindow (display, xwindow, must_be_viewable, &attrs))
{
meta_verbose ("Not managing filtered window\n");
goto error;
}
existing_wm_state = WithdrawnState;
if (must_be_viewable && attrs.map_state != IsViewable)
{
/* Only manage if WM_STATE is IconicState or NormalState */
uint32_t state;
/* WM_STATE isn't a cardinal, it's type WM_STATE, but is an int */
if (!(meta_prop_get_cardinal_with_atom_type (x11_display, xwindow,
x11_display->atom_WM_STATE,
x11_display->atom_WM_STATE,
&state) &&
(state == IconicState || state == NormalState)))
{
meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow);
goto error;
}
existing_wm_state = state;
meta_verbose ("WM_STATE of %lx = %s\n", xwindow,
wm_state_to_string (existing_wm_state));
}
/*
* XAddToSaveSet can only be called on windows created by a different
* client. with Mutter we want to be able to create manageable windows
* from within the process (such as a dummy desktop window). As we do not
* want this call failing to prevent the window from being managed, we
* call this before creating the return-checked error trap.
*/
XAddToSaveSet (x11_display->xdisplay, xwindow);
meta_x11_error_trap_push (x11_display);
event_mask = PropertyChangeMask;
if (attrs.override_redirect)
event_mask |= StructureNotifyMask;
/* If the window is from this client (a menu, say) we need to augment
* the event mask, not replace it. For windows from other clients,
* attrs.your_event_mask will be empty at this point.
*/
XSelectInput (x11_display->xdisplay, xwindow, attrs.your_event_mask | event_mask);
{
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_Enter);
XISetMask (mask.mask, XI_Leave);
XISetMask (mask.mask, XI_FocusIn);
XISetMask (mask.mask, XI_FocusOut);
XISelectEvents (x11_display->xdisplay, xwindow, &mask, 1);
}
if (META_X11_DISPLAY_HAS_SHAPE (x11_display))
XShapeSelectInput (x11_display->xdisplay, xwindow, ShapeNotifyMask);
/* Get rid of any borders */
if (attrs.border_width != 0)
XSetWindowBorderWidth (x11_display->xdisplay, xwindow, 0);
/* Get rid of weird gravities */
if (attrs.win_gravity != NorthWestGravity)
{
XSetWindowAttributes set_attrs;
set_attrs.win_gravity = NorthWestGravity;
XChangeWindowAttributes (x11_display->xdisplay,
xwindow,
CWWinGravity,
&set_attrs);
}
if (meta_x11_error_trap_pop_with_return (x11_display) != Success)
{
meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n",
xwindow);
goto error;
}
window = _meta_window_shared_new (display,
META_WINDOW_CLIENT_TYPE_X11,
NULL,
xwindow,
existing_wm_state,
effect,
&attrs);
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
priv->border_width = attrs.border_width;
meta_window_grab_keys (window);
if (window->type != META_WINDOW_DOCK && !window->override_redirect)
{
meta_display_grab_window_buttons (window->display, window->xwindow);
meta_display_grab_focus_window_button (window->display, window);
}
meta_x11_error_trap_pop (x11_display); /* pop the XSync()-reducing trap */
return window;
error:
meta_x11_error_trap_pop (x11_display);
return NULL;
}
void
meta_window_x11_recalc_window_type (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
MetaWindowType type;
if (priv->type_atom != None)
{
if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_DESKTOP)
type = META_WINDOW_DESKTOP;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_DOCK)
type = META_WINDOW_DOCK;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_TOOLBAR)
type = META_WINDOW_TOOLBAR;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_MENU)
type = META_WINDOW_MENU;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_UTILITY)
type = META_WINDOW_UTILITY;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_SPLASH)
type = META_WINDOW_SPLASHSCREEN;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_DIALOG)
type = META_WINDOW_DIALOG;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_NORMAL)
type = META_WINDOW_NORMAL;
/* The below are *typically* override-redirect windows, but the spec does
* not disallow using them for managed windows.
*/
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_DROPDOWN_MENU)
type = META_WINDOW_DROPDOWN_MENU;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_POPUP_MENU)
type = META_WINDOW_POPUP_MENU;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_TOOLTIP)
type = META_WINDOW_TOOLTIP;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_NOTIFICATION)
type = META_WINDOW_NOTIFICATION;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_COMBO)
type = META_WINDOW_COMBO;
else if (priv->type_atom == x11_display->atom__NET_WM_WINDOW_TYPE_DND)
type = META_WINDOW_DND;
else
{
char *atom_name;
/*
* Fallback on a normal type, and print warning. Don't abort.
*/
type = META_WINDOW_NORMAL;
meta_x11_error_trap_push (x11_display);
atom_name = XGetAtomName (x11_display->xdisplay,
priv->type_atom);
meta_x11_error_trap_pop (x11_display);
meta_warning ("Unrecognized type atom [%s] set for %s \n",
atom_name ? atom_name : "unknown",
window->desc);
if (atom_name)
XFree (atom_name);
}
}
else if (window->transient_for != NULL)
{
type = META_WINDOW_DIALOG;
}
else
{
type = META_WINDOW_NORMAL;
}
if (type == META_WINDOW_DIALOG && priv->wm_state_modal)
type = META_WINDOW_MODAL_DIALOG;
/* We don't want to allow override-redirect windows to have decorated-window
* types since that's just confusing.
*/
if (window->override_redirect)
{
switch (type)
{
/* Decorated types */
case META_WINDOW_NORMAL:
case META_WINDOW_DIALOG:
case META_WINDOW_MODAL_DIALOG:
case META_WINDOW_MENU:
case META_WINDOW_UTILITY:
type = META_WINDOW_OVERRIDE_OTHER;
break;
/* Undecorated types, normally not override-redirect */
case META_WINDOW_DESKTOP:
case META_WINDOW_DOCK:
case META_WINDOW_TOOLBAR:
case META_WINDOW_SPLASHSCREEN:
/* Undecorated types, normally 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:
/* To complete enum */
case META_WINDOW_OVERRIDE_OTHER:
break;
}
}
meta_verbose ("Calculated type %u for %s, old type %u\n",
type, window->desc, type);
meta_window_set_type (window, type);
}
/**
* meta_window_x11_configure_notify: (skip)
* @window: a #MetaWindow
* @event: a #XConfigureEvent
*
* This is used to notify us of an unrequested configuration
* (only applicable to override redirect windows)
*/
void
meta_window_x11_configure_notify (MetaWindow *window,
XConfigureEvent *event)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
g_assert (window->override_redirect);
g_assert (window->frame == NULL);
window->rect.x = event->x;
window->rect.y = event->y;
window->rect.width = event->width;
window->rect.height = event->height;
priv->client_rect = window->rect;
window->buffer_rect = window->rect;
meta_window_update_monitor (window, META_WINDOW_UPDATE_MONITOR_FLAGS_NONE);
/* Whether an override-redirect window is considered fullscreen depends
* on its geometry.
*/
if (window->override_redirect)
meta_display_queue_check_fullscreen (window->display);
if (!event->override_redirect && !event->send_event)
meta_warning ("Unhandled change of windows override redirect status\n");
meta_compositor_sync_window_geometry (window->display->compositor, window, FALSE);
}
void
meta_window_x11_set_allowed_actions_hint (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
#define MAX_N_ACTIONS 12
unsigned long data[MAX_N_ACTIONS];
int i;
i = 0;
if (window->has_move_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_MOVE;
++i;
}
if (window->has_resize_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_RESIZE;
++i;
}
if (window->has_fullscreen_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_FULLSCREEN;
++i;
}
if (window->has_minimize_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_MINIMIZE;
++i;
}
if (window->has_shade_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_SHADE;
++i;
}
/* sticky according to EWMH is different from mutter's sticky;
* mutter doesn't support EWMH sticky
*/
if (window->has_maximize_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_MAXIMIZE_HORZ;
++i;
data[i] = x11_display->atom__NET_WM_ACTION_MAXIMIZE_VERT;
++i;
}
/* We always allow this */
data[i] = x11_display->atom__NET_WM_ACTION_CHANGE_DESKTOP;
++i;
if (window->has_close_func)
{
data[i] = x11_display->atom__NET_WM_ACTION_CLOSE;
++i;
}
/* I guess we always allow above/below operations */
data[i] = x11_display->atom__NET_WM_ACTION_ABOVE;
++i;
data[i] = x11_display->atom__NET_WM_ACTION_BELOW;
++i;
g_assert (i <= MAX_N_ACTIONS);
meta_verbose ("Setting _NET_WM_ALLOWED_ACTIONS with %d atoms\n", i);
meta_x11_error_trap_push (x11_display);
XChangeProperty (x11_display->xdisplay, window->xwindow,
x11_display->atom__NET_WM_ALLOWED_ACTIONS,
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
meta_x11_error_trap_pop (x11_display);
#undef MAX_N_ACTIONS
}
void
meta_window_x11_create_sync_request_alarm (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
XSyncAlarmAttributes values;
XSyncValue init;
if (window->sync_request_counter == None ||
window->sync_request_alarm != None)
return;
meta_x11_error_trap_push (x11_display);
/* In the new (extended style), the counter value is initialized by
* the client before mapping the window. In the old style, we're
* responsible for setting the initial value of the counter.
*/
if (window->extended_sync_request_counter)
{
if (!XSyncQueryCounter(x11_display->xdisplay,
window->sync_request_counter,
&init))
{
meta_x11_error_trap_pop_with_return (x11_display);
window->sync_request_counter = None;
return;
}
window->sync_request_serial =
XSyncValueLow32 (init) + ((gint64)XSyncValueHigh32 (init) << 32);
}
else
{
XSyncIntToValue (&init, 0);
XSyncSetCounter (x11_display->xdisplay,
window->sync_request_counter, init);
window->sync_request_serial = 0;
}
values.trigger.counter = window->sync_request_counter;
values.trigger.test_type = XSyncPositiveComparison;
/* Initialize to one greater than the current value */
values.trigger.value_type = XSyncRelative;
XSyncIntToValue (&values.trigger.wait_value, 1);
/* After triggering, increment test_value by this until
* until the test condition is false */
XSyncIntToValue (&values.delta, 1);
/* we want events (on by default anyway) */
values.events = True;
window->sync_request_alarm = XSyncCreateAlarm (x11_display->xdisplay,
XSyncCACounter |
XSyncCAValueType |
XSyncCAValue |
XSyncCATestType |
XSyncCADelta |
XSyncCAEvents,
&values);
if (meta_x11_error_trap_pop_with_return (x11_display) == Success)
meta_x11_display_register_sync_alarm (x11_display, &window->sync_request_alarm, window);
else
{
window->sync_request_alarm = None;
window->sync_request_counter = None;
}
}
void
meta_window_x11_destroy_sync_request_alarm (MetaWindow *window)
{
MetaX11Display *x11_display = window->display->x11_display;
if (window->sync_request_alarm != None)
{
/* Has to be unregistered _before_ clearing the structure field */
meta_x11_display_unregister_sync_alarm (x11_display, window->sync_request_alarm);
XSyncDestroyAlarm (x11_display->xdisplay,
window->sync_request_alarm);
window->sync_request_alarm = None;
}
}
void
meta_window_x11_update_sync_request_counter (MetaWindow *window,
gint64 new_counter_value)
{
gboolean needs_frame_drawn = FALSE;
gboolean no_delay_frame = FALSE;
if (window->extended_sync_request_counter && new_counter_value % 2 == 0)
{
needs_frame_drawn = TRUE;
no_delay_frame = new_counter_value == window->sync_request_serial + 1;
}
window->sync_request_serial = new_counter_value;
meta_compositor_sync_updates_frozen (window->display->compositor, window);
if (new_counter_value >= window->sync_request_wait_serial &&
window->sync_request_timeout_id)
{
if (!window->extended_sync_request_counter ||
new_counter_value % 2 == 0)
g_clear_handle_id (&window->sync_request_timeout_id, g_source_remove);
if (window == window->display->grab_window &&
meta_grab_op_is_resizing (window->display->grab_op) &&
(!window->extended_sync_request_counter ||
new_counter_value % 2 == 0))
{
meta_topic (META_DEBUG_RESIZING,
"Alarm event received last motion x = %d y = %d\n",
window->display->grab_latest_motion_x,
window->display->grab_latest_motion_y);
/* This means we are ready for another configure;
* no pointer round trip here, to keep in sync */
meta_window_update_resize (window,
window->display->grab_last_user_action_was_snap,
window->display->grab_latest_motion_x,
window->display->grab_latest_motion_y,
TRUE);
}
}
/* If sync was previously disabled, turn it back on and hope
* the application has come to its senses (maybe it was just
* busy with a pagefault or a long computation).
*/
window->disable_sync = FALSE;
if (needs_frame_drawn)
meta_compositor_queue_frame_drawn (window->display->compositor, window,
no_delay_frame);
}
Window
meta_window_x11_get_toplevel_xwindow (MetaWindow *window)
{
return window->frame ? window->frame->xwindow : window->xwindow;
}
void
meta_window_x11_freeze_commits (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
META_WINDOW_X11_GET_CLASS (window_x11)->freeze_commits (window);
}
void
meta_window_x11_thaw_commits (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
META_WINDOW_X11_GET_CLASS (window_x11)->thaw_commits (window);
}
void
meta_window_x11_set_thaw_after_paint (MetaWindow *window,
gboolean thaw_after_paint)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
priv->thaw_after_paint = thaw_after_paint;
}
gboolean
meta_window_x11_should_thaw_after_paint (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
MetaWindowX11Private *priv = meta_window_x11_get_instance_private (window_x11);
return priv->thaw_after_paint;
}
gboolean
meta_window_x11_always_update_shape (MetaWindow *window)
{
MetaWindowX11 *window_x11 = META_WINDOW_X11 (window);
return META_WINDOW_X11_GET_CLASS (window_x11)->always_update_shape (window);
}
void
meta_window_x11_buffer_rect_to_frame_rect (MetaWindow *window,
MetaRectangle *buffer_rect,
MetaRectangle *frame_rect)
{
MetaFrameBorders borders;
g_return_if_fail (window->frame);
meta_frame_calc_borders (window->frame, &borders);
*frame_rect = *buffer_rect;
frame_rect->x += borders.invisible.left;
frame_rect->y += borders.invisible.top;
frame_rect->width -= borders.invisible.left + borders.invisible.right;
frame_rect->height -= borders.invisible.top + borders.invisible.bottom;
}