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mutter/src/window.c
Laszlo Peter 6bae734d41 protect meta_verbose from a NULL pointer. 
2001-11-02  Laszlo Peter  <laca@ireland.sun.com>

	* src/window.c (update_sm_hints): protect meta_verbose from
	a NULL pointer.
2001-11-02 14:55:00 +00:00

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/* Metacity X managed windows */
/*
* Copyright (C) 2001 Havoc Pennington, Anders Carlsson
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "window.h"
#include "util.h"
#include "frame.h"
#include "errors.h"
#include "workspace.h"
#include "stack.h"
#include "keybindings.h"
#include "ui.h"
#include "place.h"
#include "session.h"
#include "effects.h"
#include <X11/Xatom.h>
typedef enum
{
META_IS_CONFIGURE_REQUEST = 1 << 0,
META_DO_GRAVITY_ADJUST = 1 << 1,
META_USER_MOVE_RESIZE = 1 << 2
} MetaMoveResizeFlags;
static void constrain_size (MetaWindow *window,
MetaFrameGeometry *fgeom,
int width,
int height,
int *new_width,
int *new_height);
static void constrain_position (MetaWindow *window,
MetaFrameGeometry *fgeom,
int x,
int y,
int *new_x,
int *new_y);
static int update_size_hints (MetaWindow *window);
static int update_title (MetaWindow *window);
static int update_protocols (MetaWindow *window);
static int update_wm_hints (MetaWindow *window);
static int update_net_wm_state (MetaWindow *window);
static int update_mwm_hints (MetaWindow *window);
static int update_wm_class (MetaWindow *window);
static int update_transient_for (MetaWindow *window);
static void update_sm_hints (MetaWindow *window);
static int update_role (MetaWindow *window);
static int update_net_wm_type (MetaWindow *window);
static int update_initial_workspace (MetaWindow *window);
static int update_icon_name (MetaWindow *window);
static int update_icon (MetaWindow *window,
gboolean reread_rgb_icon);
static int update_kwm_icon (MetaWindow *window);
static void recalc_window_type (MetaWindow *window);
static void recalc_window_features (MetaWindow *window);
static int set_wm_state (MetaWindow *window,
int state);
static int set_net_wm_state (MetaWindow *window);
static void send_configure_notify (MetaWindow *window);
static gboolean process_property_notify (MetaWindow *window,
XPropertyEvent *event);
static void meta_window_show (MetaWindow *window);
static void meta_window_hide (MetaWindow *window);
static gboolean meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect);
static void adjust_for_gravity (MetaWindow *window,
MetaFrameGeometry *fgeom,
gboolean coords_assume_border,
int x,
int y,
int *xp,
int *yp);
static void meta_window_move_resize_internal (MetaWindow *window,
MetaMoveResizeFlags flags,
int resize_gravity,
int root_x_nw,
int root_y_nw,
int w,
int h);
void meta_window_move_resize_now (MetaWindow *window);
static gboolean get_cardinal (MetaDisplay *display,
Window xwindow,
Atom atom,
gulong *val);
static char* get_text_property (MetaDisplay *display,
Window xwindow,
Atom atom);
static char* get_utf8_property (MetaDisplay *display,
Window xwindow,
Atom atom);
void meta_window_unqueue_calc_showing (MetaWindow *window);
void meta_window_flush_calc_showing (MetaWindow *window);
static void meta_window_apply_session_info (MetaWindow *window,
const MetaWindowSessionInfo *info);
MetaWindow*
meta_window_new (MetaDisplay *display, Window xwindow,
gboolean must_be_viewable)
{
MetaWindow *window;
XWindowAttributes attrs;
GSList *tmp;
MetaWorkspace *space;
gulong existing_wm_state;
meta_verbose ("Attempting to manage 0x%lx\n", xwindow);
/* Grab server */
meta_display_grab (display);
meta_error_trap_push (display);
XGetWindowAttributes (display->xdisplay,
xwindow, &attrs);
if (meta_error_trap_pop (display))
{
meta_verbose ("Failed to get attributes for window 0x%lx\n",
xwindow);
meta_display_ungrab (display);
return NULL;
}
if (attrs.override_redirect)
{
meta_verbose ("Deciding not to manage override_redirect window 0x%lx\n", xwindow);
meta_display_ungrab (display);
return NULL;
}
meta_verbose ("attrs.map_state = %d (%s)\n",
attrs.map_state,
(attrs.map_state == IsUnmapped) ?
"IsUnmapped" :
(attrs.map_state == IsViewable) ?
"IsViewable" :
(attrs.map_state == IsUnviewable) ?
"IsUnviewable" :
"(unknown)");
existing_wm_state = WithdrawnState;
if (must_be_viewable && attrs.map_state != IsViewable)
{
/* Only manage if WM_STATE is IconicState or NormalState */
gulong state;
/* FIXME WM_STATE isn't a cardinal, it's type WM_STATE */
if (!(get_cardinal (display, xwindow,
display->atom_wm_state,
&state) &&
(state == IconicState || state == NormalState)))
{
meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow);
meta_display_ungrab (display);
return NULL;
}
existing_wm_state = state;
}
meta_error_trap_push (display);
XAddToSaveSet (display->xdisplay, xwindow);
XSelectInput (display->xdisplay, xwindow,
PropertyChangeMask |
EnterWindowMask | LeaveWindowMask |
FocusChangeMask);
/* Get rid of any borders */
if (attrs.border_width != 0)
XSetWindowBorderWidth (display->xdisplay, xwindow, 0);
/* Get rid of weird gravities */
if (attrs.win_gravity != NorthWestGravity)
{
XSetWindowAttributes set_attrs;
set_attrs.win_gravity = NorthWestGravity;
XChangeWindowAttributes (display->xdisplay,
xwindow,
CWWinGravity,
&set_attrs);
}
if (meta_error_trap_pop (display) != Success)
{
meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n",
xwindow);
meta_display_ungrab (display);
return NULL;
}
g_assert (!attrs.override_redirect);
window = g_new (MetaWindow, 1);
window->xwindow = xwindow;
/* this is in window->screen->display, but that's too annoying to
* type
*/
window->display = display;
window->workspaces = NULL;
window->screen = NULL;
tmp = display->screens;
while (tmp != NULL)
{
if (((MetaScreen *)tmp->data)->xscreen == attrs.screen)
{
window->screen = tmp->data;
break;
}
tmp = tmp->next;
}
g_assert (window->screen);
/* avoid tons of stack updates */
meta_stack_freeze (window->screen->stack);
/* Remember this rect is the actual window size */
window->rect.x = attrs.x;
window->rect.y = attrs.y;
window->rect.width = attrs.width;
window->rect.height = attrs.height;
window->size_hints.flags = 0;
/* And border width, size_hints are the "request" */
window->border_width = attrs.border_width;
window->size_hints.x = attrs.x;
window->size_hints.y = attrs.y;
window->size_hints.width = attrs.width;
window->size_hints.height = attrs.height;
/* And this is our unmaximized size */
window->saved_rect = window->rect;
window->user_rect = window->rect;
window->depth = attrs.depth;
window->xvisual = attrs.visual;
window->title = NULL;
window->icon_name = NULL;
window->icon = NULL;
window->mini_icon = NULL;
window->desc = g_strdup_printf ("0x%lx", window->xwindow);
window->frame = NULL;
window->has_focus = FALSE;
window->user_has_move_resized = FALSE;
window->maximized = FALSE;
window->on_all_workspaces = FALSE;
window->shaded = FALSE;
window->initially_iconic = FALSE;
window->minimized = FALSE;
window->iconic = FALSE;
window->mapped = attrs.map_state != IsUnmapped;
/* if already mapped we don't want to do the placement thing */
window->placed = window->mapped;
if (window->placed)
meta_verbose ("Not placing window 0x%lx since it's already mapped\n",
xwindow);
window->unmanaging = FALSE;
window->calc_showing_queued = FALSE;
window->keys_grabbed = FALSE;
window->grab_on_frame = FALSE;
window->all_keys_grabbed = FALSE;
window->withdrawn = FALSE;
window->initial_workspace_set = FALSE;
window->calc_placement = FALSE;
window->unmaps_pending = 0;
window->mwm_decorated = TRUE;
window->mwm_has_close_func = TRUE;
window->mwm_has_minimize_func = TRUE;
window->mwm_has_maximize_func = TRUE;
window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE;
window->decorated = TRUE;
window->has_close_func = TRUE;
window->has_minimize_func = TRUE;
window->has_maximize_func = TRUE;
window->has_move_func = TRUE;
window->has_resize_func = TRUE;
window->has_shade_func = TRUE;
window->wm_state_modal = FALSE;
window->wm_state_skip_taskbar = FALSE;
window->wm_state_skip_pager = FALSE;
window->res_class = NULL;
window->res_name = NULL;
window->role = NULL;
window->sm_client_id = NULL;
window->xtransient_for = None;
window->xgroup_leader = None;
window->xclient_leader = None;
window->icon_pixmap = None;
window->icon_mask = None;
window->kwm_pixmap = None;
window->kwm_mask = None;
window->using_rgb_icon = FALSE;
window->type = META_WINDOW_NORMAL;
window->type_atom = None;
window->layer = META_LAYER_NORMAL;
window->stack_op = NULL;
window->initial_workspace = 0; /* not used */
meta_display_register_x_window (display, &window->xwindow, window);
update_size_hints (window);
update_title (window);
update_protocols (window);
update_wm_hints (window);
update_net_wm_state (window);
/* Initially maximize if window is fullscreen; FIXME
* assume fullscreen state instead once we have that state...
*/
if (!window->maximized &&
attrs.x == 0 && attrs.y == 0 &&
attrs.width == window->screen->width &&
attrs.height == window->screen->height)
window->maximized = TRUE;
update_mwm_hints (window);
update_wm_class (window);
update_transient_for (window);
update_sm_hints (window); /* must come after transient_for */
update_role (window);
update_net_wm_type (window);
update_initial_workspace (window);
update_icon_name (window);
update_kwm_icon (window);
/* should come after wm_hints and kwm_icon updates */
update_icon (window, TRUE);
if (!window->mapped &&
(window->size_hints.flags & PPosition) == 0 &&
(window->size_hints.flags & USPosition) == 0)
{
/* ignore current window position */
window->size_hints.x = 0;
window->size_hints.y = 0;
}
if (window->initially_iconic)
{
/* WM_HINTS said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s asked to start out minimized\n", window->desc);
}
if (existing_wm_state == IconicState)
{
/* WM_STATE said minimized */
window->minimized = TRUE;
meta_verbose ("Window %s had preexisting WM_STATE = IconicState, minimizing\n",
window->desc);
/* Assume window was previously placed, though perhaps it's
* been iconic its whole life, we have no way of knowing.
*/
window->placed = TRUE;
}
/* FIXME we have a tendency to set this then immediately
* change it again.
*/
set_wm_state (window, window->iconic ? IconicState : NormalState);
set_net_wm_state (window);
if (window->decorated)
meta_window_ensure_frame (window);
meta_window_grab_keys (window);
meta_display_grab_window_buttons (window->display, window->xwindow);
/* For the workspace, first honor hints,
* if that fails put transients with parents,
* otherwise put window on active space
*/
if (window->initial_workspace_set)
{
if (window->initial_workspace == 0xFFFFFFFF)
{
meta_workspace_add_window (window->screen->active_workspace, window);
window->on_all_workspaces = TRUE;
}
else
{
space =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
window->initial_workspace);
if (space)
meta_workspace_add_window (space, window);
}
}
if (window->workspaces == NULL &&
window->xtransient_for != None)
{
/* Try putting dialog on parent's workspace */
MetaWindow *parent;
parent = meta_display_lookup_x_window (window->display,
window->xtransient_for);
if (parent)
{
GList *tmp;
if (parent->on_all_workspaces)
window->on_all_workspaces = TRUE;
tmp = parent->workspaces;
while (tmp != NULL)
{
meta_workspace_add_window (tmp->data, window);
tmp = tmp->next;
}
}
}
if (window->workspaces == NULL)
{
space = window->screen->active_workspace;
meta_workspace_add_window (space, window);
}
/* Only accept USPosition on normal windows because the app is full
* of shit claiming the user set -geometry for a dialog or dock
*/
if (window->type == META_WINDOW_NORMAL &&
(window->size_hints.flags & USPosition))
{
/* don't constrain with placement algorithm */
window->placed = TRUE;
meta_verbose ("Honoring USPosition for %s instead of using placement algorithm\n", window->desc);
}
/* Assume the app knows best how to place these. */
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU)
{
if (window->size_hints.flags & PPosition)
{
window->placed = TRUE;
meta_verbose ("Not placing non-normal non-dialog window with PPosition set\n");
}
}
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
/* Change the default, but don't enforce this if
* the user focuses the dock/desktop and unsticks it
* using key shortcuts
*/
window->on_all_workspaces = TRUE;
}
/* for the various on_all_workspaces = TRUE possible above */
meta_window_set_current_workspace_hint (window);
/* Put our state back where it should be,
* passing TRUE for is_configure_request, ICCCM says
* initial map is handled same as configure request
*/
meta_window_move_resize_internal (window,
META_IS_CONFIGURE_REQUEST,
NorthWestGravity,
window->size_hints.x,
window->size_hints.y,
window->size_hints.width,
window->size_hints.height);
meta_stack_add (window->screen->stack,
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);
}
}
/* Sync stack changes */
meta_stack_thaw (window->screen->stack);
meta_window_queue_calc_showing (window);
meta_display_ungrab (display);
return window;
}
/* This function should only be called from the end of meta_window_new () */
static void
meta_window_apply_session_info (MetaWindow *window,
const MetaWindowSessionInfo *info)
{
if (info->on_all_workspaces_set)
{
window->on_all_workspaces = info->on_all_workspaces;
meta_verbose ("Restoring sticky state %d for window %s\n",
window->on_all_workspaces, window->desc);
}
if (info->workspace_indices)
{
GSList *tmp;
GSList *spaces;
spaces = NULL;
tmp = info->workspace_indices;
while (tmp != NULL)
{
MetaWorkspace *space;
space =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
GPOINTER_TO_INT (tmp->data));
if (space)
spaces = g_slist_prepend (spaces, space);
tmp = tmp->next;
}
if (spaces)
{
/* This briefly breaks the invariant that we are supposed
* to always be on some workspace. But we paranoically
* ensured that one of the workspaces from the session was
* indeed valid, so we know we'll go right back to one.
*/
while (window->workspaces)
meta_workspace_remove_window (window->workspaces->data, window);
tmp = spaces;
while (tmp != NULL)
{
MetaWorkspace *space;
space = tmp->data;
meta_workspace_add_window (space, window);
meta_verbose ("Restoring saved window %s to workspace %d\n",
window->desc,
meta_workspace_screen_index (space));
tmp = tmp->next;
}
g_slist_free (spaces);
}
}
if (info->geometry_set)
{
int x, y, w, h;
window->placed = TRUE; /* don't do placement algorithms later */
x = info->rect.x;
y = info->rect.y;
w = window->size_hints.base_width +
info->rect.width * window->size_hints.width_inc;
h = 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;
meta_verbose ("Restoring pos %d,%d size %d x %d for %s\n",
x, y, w, h, window->desc);
meta_window_move_resize_internal (window,
META_DO_GRAVITY_ADJUST,
NorthWestGravity,
x, y, w, h);
}
}
void
meta_window_free (MetaWindow *window)
{
GList *tmp;
meta_verbose ("Unmanaging 0x%lx\n", window->xwindow);
window->unmanaging = TRUE;
if (window->display->grab_window == window)
meta_display_end_grab_op (window->display, CurrentTime);
if (window->display->focus_window == window)
window->display->focus_window = NULL;
if (window->display->prev_focus_window == window)
window->display->prev_focus_window = NULL;
meta_window_unqueue_calc_showing (window);
tmp = window->workspaces;
while (tmp != NULL)
{
GList *next;
next = tmp->next;
/* pops front of list */
meta_workspace_remove_window (tmp->data, window);
tmp = next;
}
g_assert (window->workspaces == NULL);
meta_stack_remove (window->screen->stack, window);
/* FIXME restore original size if window has maximized */
if (window->withdrawn)
set_wm_state (window, WithdrawnState);
if (window->frame)
meta_window_destroy_frame (window);
meta_window_ungrab_keys (window);
meta_display_ungrab_window_buttons (window->display, window->xwindow);
meta_display_unregister_x_window (window->display, window->xwindow);
/* Put back anything we messed up */
meta_error_trap_push (window->display);
if (window->border_width != 0)
XSetWindowBorderWidth (window->display->xdisplay,
window->xwindow,
window->border_width);
meta_error_trap_pop (window->display);
if (window->icon)
g_object_unref (G_OBJECT (window->icon));
if (window->mini_icon)
g_object_unref (G_OBJECT (window->mini_icon));
g_free (window->sm_client_id);
g_free (window->role);
g_free (window->res_class);
g_free (window->res_name);
g_free (window->title);
g_free (window->icon_name);
g_free (window->desc);
g_free (window);
}
static int
set_wm_state (MetaWindow *window,
int state)
{
unsigned long data[2];
/* twm sets the icon window as data[1], I couldn't find that in
* ICCCM.
*/
data[0] = state;
data[1] = None;
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_wm_state,
window->display->atom_wm_state,
32, PropModeReplace, (guchar*) data, 2);
return meta_error_trap_pop (window->display);
}
static int
set_net_wm_state (MetaWindow *window)
{
int i;
unsigned long data[10];
gboolean skip_pager;
gboolean skip_taskbar;
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU)
skip_pager = TRUE;
else
skip_pager = FALSE;
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_MENU)
skip_taskbar = TRUE;
else
skip_taskbar = FALSE;
i = 0;
if (window->shaded)
{
data[i] = window->display->atom_net_wm_state_shaded;
++i;
}
if (window->wm_state_modal)
{
data[i] = window->display->atom_net_wm_state_modal;
++i;
}
if (window->wm_state_skip_pager || skip_pager)
{
data[i] = window->display->atom_net_wm_state_skip_pager;
++i;
}
if (window->wm_state_skip_taskbar || skip_pager)
{
data[i] = window->display->atom_net_wm_state_skip_taskbar;
++i;
}
if (window->maximized)
{
data[i] = window->display->atom_net_wm_state_maximized_horz;
++i;
data[i] = window->display->atom_net_wm_state_maximized_vert;
++i;
}
meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_state,
XA_ATOM,
32, PropModeReplace, (guchar*) data, i);
return meta_error_trap_pop (window->display);
}
gboolean
meta_window_visible_on_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
return window->on_all_workspaces ||
meta_workspace_contains_window (workspace, window);
}
void
meta_window_calc_showing (MetaWindow *window)
{
gboolean on_workspace;
meta_verbose ("Calc showing for window %s\n", window->desc);
on_workspace = meta_window_visible_on_workspace (window,
window->screen->active_workspace);
if (!on_workspace)
meta_verbose ("Window %s is not on workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
else
meta_verbose ("Window %s is on the active workspace %d\n",
window->desc,
meta_workspace_index (window->screen->active_workspace));
if (window->on_all_workspaces)
meta_verbose ("Window %s is on all workspaces\n", window->desc);
if (on_workspace &&
window->display->showing_desktop &&
window->type != META_WINDOW_DESKTOP &&
window->type != META_WINDOW_DOCK)
{
meta_verbose ("Window %s is on current workspace, but we're showing the desktop\n",
window->desc);
on_workspace = FALSE;
}
if (window->minimized || !on_workspace)
{
/* Really this effects code should probably
* be in meta_window_hide so the window->mapped
* test isn't duplicated here. Anyhow, we animate
* if we are mapped now, we are supposed to
* be minimized, and we are on the current workspace.
*/
if (on_workspace && window->minimized && window->mapped)
{
MetaRectangle icon_rect, window_rect;
gboolean result;
/* Check if the window has an icon geometry */
result = meta_window_get_icon_geometry (window, &icon_rect);
if (!result)
{
/* just animate into the corner somehow - maybe
* not a good idea...
*/
icon_rect.x = window->screen->width;
icon_rect.y = window->screen->height;
icon_rect.width = 1;
icon_rect.height = 1;
}
meta_window_get_outer_rect (window, &window_rect);
/* Draw a nice cool animation */
meta_effects_draw_box_animation (window->screen,
&window_rect,
&icon_rect,
META_MINIMIZE_ANIMATION_LENGTH);
}
meta_window_hide (window);
}
else
{
meta_window_show (window);
}
}
static guint calc_showing_idle = 0;
static GSList *calc_showing_pending = NULL;
static int
stackcmp (gconstpointer a, gconstpointer b)
{
MetaWindow *aw = (gpointer) a;
MetaWindow *bw = (gpointer) b;
if (aw->screen != bw->screen)
return 0; /* don't care how they sort with respect to each other */
else
return meta_stack_windows_cmp (aw->screen->stack,
aw, bw);
}
static gboolean
idle_calc_showing (gpointer data)
{
GSList *tmp;
GSList *copy;
meta_verbose ("Clearing the calc_showing queue\n");
/* Work with a copy, for reentrancy. The allowed reentrancy isn't
* complete; destroying a window while we're in here would result in
* badness. But it's OK to queue/unqueue calc_showings.
*/
copy = g_slist_copy (calc_showing_pending);
g_slist_free (calc_showing_pending);
calc_showing_pending = NULL;
calc_showing_idle = 0;
/* sort them from bottom to top, so we map the
* bottom windows first, so that placement (e.g. cascading)
* works properly
*/
copy = g_slist_sort (copy, stackcmp);
tmp = copy;
while (tmp != NULL)
{
MetaWindow *window;
window = tmp->data;
meta_window_calc_showing (window);
window->calc_showing_queued = FALSE;
tmp = tmp->next;
}
g_slist_free (copy);
return FALSE;
}
void
meta_window_unqueue_calc_showing (MetaWindow *window)
{
if (!window->calc_showing_queued)
return;
meta_verbose ("Removing %s from the calc_showing queue\n",
window->desc);
calc_showing_pending = g_slist_remove (calc_showing_pending, window);
window->calc_showing_queued = FALSE;
if (calc_showing_pending == NULL &&
calc_showing_idle != 0)
{
g_source_remove (calc_showing_idle);
calc_showing_idle = 0;
}
}
void
meta_window_flush_calc_showing (MetaWindow *window)
{
if (window->calc_showing_queued)
{
meta_window_unqueue_calc_showing (window);
meta_window_calc_showing (window);
}
}
void
meta_window_queue_calc_showing (MetaWindow *window)
{
if (window->unmanaging)
return;
if (window->calc_showing_queued)
return;
meta_verbose ("Putting %s in the calc_showing queue\n",
window->desc);
window->calc_showing_queued = TRUE;
if (calc_showing_idle == 0)
calc_showing_idle = g_idle_add (idle_calc_showing, NULL);
calc_showing_pending = g_slist_prepend (calc_showing_pending, window);
}
void
meta_window_show (MetaWindow *window)
{
gboolean did_placement;
meta_verbose ("Showing window %s, shaded: %d iconic: %d placed: %d\n",
window->desc, window->shaded, window->iconic, window->placed);
did_placement = FALSE;
if (!window->placed)
{
/* We have to recalc the placement here since other windows may
* have been mapped/placed since we last did constrain_position
*/
/* calc_placement is an efficiency hack to avoid
* multiple placement calculations before we finally
* show the window.
*/
window->calc_placement = TRUE;
meta_window_move_resize_now (window);
window->calc_placement = FALSE;
/* don't ever do the initial position constraint thing again.
* This is toggled here so that initially-iconified windows
* still get placed when they are ultimately shown.
*/
window->placed = TRUE;
did_placement = TRUE;
}
/* Shaded means the frame is mapped but the window is not */
if (window->frame && !window->frame->mapped)
{
meta_verbose ("Frame actually needs map\n");
window->frame->mapped = TRUE;
meta_ui_map_frame (window->screen->ui, window->frame->xwindow);
}
if (window->shaded)
{
if (window->mapped)
{
meta_verbose ("%s actually needs unmap\n", window->desc);
window->mapped = FALSE;
window->unmaps_pending += 1;
meta_error_trap_push (window->display);
XUnmapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
}
if (!window->iconic)
{
window->iconic = TRUE;
set_wm_state (window, IconicState);
}
}
else
{
if (!window->mapped)
{
meta_verbose ("%s actually needs map\n", window->desc);
window->mapped = TRUE;
meta_error_trap_push (window->display);
XMapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
}
if (window->iconic)
{
window->iconic = FALSE;
set_wm_state (window, NormalState);
}
}
if (did_placement)
{
if (window->xtransient_for != None)
{
MetaWindow *parent;
parent =
meta_display_lookup_x_window (window->display,
window->xtransient_for);
if (parent && parent->has_focus)
{
meta_verbose ("Focusing transient window '%s' since parent had focus\n",
window->desc);
meta_window_focus (window, CurrentTime); /* FIXME CurrentTime */
}
}
}
}
void
meta_window_hide (MetaWindow *window)
{
meta_verbose ("Hiding window %s\n", window->desc);
if (window->frame && window->frame->mapped)
{
meta_verbose ("Frame actually needs unmap\n");
window->frame->mapped = FALSE;
meta_ui_unmap_frame (window->screen->ui, window->frame->xwindow);
}
if (window->mapped)
{
meta_verbose ("%s actually needs unmap\n", window->desc);
window->mapped = FALSE;
window->unmaps_pending += 1;
meta_error_trap_push (window->display);
XUnmapWindow (window->display->xdisplay, window->xwindow);
meta_error_trap_pop (window->display);
}
if (!window->iconic)
{
window->iconic = TRUE;
set_wm_state (window, IconicState);
}
}
void
meta_window_minimize (MetaWindow *window)
{
if (!window->minimized)
{
window->minimized = TRUE;
meta_window_queue_calc_showing (window);
}
}
void
meta_window_unminimize (MetaWindow *window)
{
if (window->minimized)
{
window->minimized = FALSE;
meta_window_queue_calc_showing (window);
}
}
void
meta_window_maximize (MetaWindow *window)
{
if (!window->maximized)
{
window->maximized = TRUE;
meta_window_raise (window);
/* save size/pos as appropriate args for move_resize */
window->saved_rect = window->rect;
if (window->frame)
{
window->saved_rect.x += window->frame->rect.x;
window->saved_rect.y += window->frame->rect.y;
}
/* move_resize with new maximization constraints
*/
meta_window_queue_move_resize (window);
set_net_wm_state (window);
}
}
void
meta_window_unmaximize (MetaWindow *window)
{
if (window->maximized)
{
window->maximized = FALSE;
meta_window_move_resize (window,
TRUE,
window->saved_rect.x,
window->saved_rect.y,
window->saved_rect.width,
window->saved_rect.height);
set_net_wm_state (window);
}
}
void
meta_window_shade (MetaWindow *window)
{
meta_verbose ("Shading %s\n", window->desc);
if (!window->shaded)
{
if (window->mapped)
{
/* Animation */
MetaRectangle starting_size;
MetaRectangle titlebar_size;
meta_window_get_outer_rect (window, &starting_size);
if (window->frame)
{
starting_size.y += window->frame->child_y;
starting_size.height -= window->frame->child_y;
}
titlebar_size = starting_size;
titlebar_size.height = 0;
meta_effects_draw_box_animation (window->screen,
&starting_size,
&titlebar_size,
META_SHADE_ANIMATION_LENGTH);
}
window->shaded = TRUE;
meta_window_focus (window, CurrentTime);
meta_window_queue_move_resize (window);
meta_window_queue_calc_showing (window);
set_net_wm_state (window);
}
}
void
meta_window_unshade (MetaWindow *window)
{
meta_verbose ("Unshading %s\n", window->desc);
if (window->shaded)
{
window->shaded = FALSE;
meta_window_queue_move_resize (window);
meta_window_queue_calc_showing (window);
/* focus the window */
/* FIXME CurrentTime is bogus */
meta_window_focus (window, CurrentTime);
set_net_wm_state (window);
}
}
void
meta_window_activate (MetaWindow *window,
guint32 timestamp)
{
/* Get window on current workspace */
if (!meta_window_visible_on_workspace (window,
window->screen->active_workspace))
meta_window_change_workspace (window,
window->screen->active_workspace);
if (window->minimized)
meta_window_unminimize (window);
meta_window_raise (window);
meta_window_focus (window, timestamp);
}
/* returns values suitable for meta_window_move */
static void
adjust_for_gravity (MetaWindow *window,
MetaFrameGeometry *fgeom,
gboolean coords_assume_border,
int x,
int y,
int *xp,
int *yp)
{
int ref_x, ref_y;
int bw;
int child_x, child_y;
int frame_width, frame_height;
if (coords_assume_border)
bw = window->border_width;
else
bw = 0;
if (fgeom)
{
child_x = fgeom->left_width;
child_y = fgeom->top_height;
frame_width = child_x + window->rect.width + fgeom->right_width;
frame_height = child_y + window->rect.height + fgeom->bottom_height;
}
else
{
child_x = 0;
child_y = 0;
frame_width = window->rect.width;
frame_height = window->rect.height;
}
/* 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)
*/
switch (window->size_hints.win_gravity)
{
case NorthWestGravity:
ref_x = x;
ref_y = y;
break;
case NorthGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y;
break;
case NorthEastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y;
break;
case WestGravity:
ref_x = x;
ref_y = y + window->rect.height / 2 + bw;
break;
case CenterGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y + window->rect.height / 2 + bw;
break;
case EastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y + window->rect.height / 2 + bw;
break;
case SouthWestGravity:
ref_x = x;
ref_y = y + window->rect.height + bw * 2;
break;
case SouthGravity:
ref_x = x + window->rect.width / 2 + bw;
ref_y = y + window->rect.height + bw * 2;
break;
case SouthEastGravity:
ref_x = x + window->rect.width + bw * 2;
ref_y = y + window->rect.height + bw * 2;
break;
case StaticGravity:
default:
ref_x = x;
ref_y = y;
break;
}
switch (window->size_hints.win_gravity)
{
case NorthWestGravity:
*xp = ref_x + child_x;
*yp = ref_y + child_y;
break;
case NorthGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y + child_y;
break;
case NorthEastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y + child_y;
break;
case WestGravity:
*xp = ref_x + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case CenterGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case EastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y - frame_height / 2 + child_y;
break;
case SouthWestGravity:
*xp = ref_x + child_x;
*yp = ref_y - frame_height + child_y;
break;
case SouthGravity:
*xp = ref_x - frame_width / 2 + child_x;
*yp = ref_y - frame_height + child_y;
break;
case SouthEastGravity:
*xp = ref_x - frame_width + child_x;
*yp = ref_y - frame_height + child_y;
break;
case StaticGravity:
default:
*xp = ref_x;
*yp = ref_y;
break;
}
}
static void
meta_window_move_resize_internal (MetaWindow *window,
MetaMoveResizeFlags flags,
int resize_gravity,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
XWindowChanges values;
unsigned int mask;
gboolean need_configure_notify;
MetaFrameGeometry fgeom;
gboolean need_move_client = FALSE;
gboolean need_move_frame = FALSE;
gboolean need_resize_client = FALSE;
gboolean need_resize_frame = FALSE;
int size_dx;
int size_dy;
int pos_dx;
int pos_dy;
int frame_size_dx;
int frame_size_dy;
gboolean is_configure_request;
gboolean do_gravity_adjust;
gboolean is_user_action;
is_configure_request = (flags & META_IS_CONFIGURE_REQUEST) != 0;
do_gravity_adjust = (flags & META_DO_GRAVITY_ADJUST) != 0;
is_user_action = (flags & META_USER_MOVE_RESIZE) != 0;
{
int oldx, oldy;
meta_window_get_position (window, &oldx, &oldy);
meta_verbose ("Move/resize %s to %d,%d %dx%d%s%s from %d,%d %dx%d\n",
window->desc, root_x_nw, root_y_nw, w, h,
is_configure_request ? " (configure request)" : "",
is_user_action ? " (user move/resize)" : "",
oldx, oldy, window->rect.width, window->rect.height);
}
if (window->frame)
meta_frame_calc_geometry (window->frame,
&fgeom);
constrain_size (window, &fgeom, w, h, &w, &h);
meta_verbose ("Constrained resize of %s to %d x %d\n", window->desc, w, h);
if (w != window->rect.width ||
h != window->rect.height)
need_resize_client = TRUE;
size_dx = w - window->rect.width;
size_dy = h - window->rect.height;
window->rect.width = w;
window->rect.height = h;
if (window->frame)
{
int new_w, new_h;
new_w = window->rect.width + fgeom.left_width + fgeom.right_width;
if (window->shaded)
new_h = fgeom.top_height;
else
new_h = window->rect.height + fgeom.top_height + fgeom.bottom_height;
if (new_w != window->frame->rect.width ||
new_h != window->frame->rect.height)
need_resize_frame = TRUE;
frame_size_dx = new_w - window->frame->rect.width;
frame_size_dy = new_h - window->frame->rect.height;
window->frame->rect.width = new_w;
window->frame->rect.height = new_h;
meta_verbose ("Calculated frame size %dx%d\n",
window->frame->rect.width,
window->frame->rect.height);
}
else
{
frame_size_dx = 0;
frame_size_dy = 0;
}
if (is_configure_request || do_gravity_adjust)
{
adjust_for_gravity (window,
window->frame ? &fgeom : NULL,
/* configure request coords assume
* the border width existed
*/
is_configure_request,
root_x_nw,
root_y_nw,
&root_x_nw,
&root_y_nw);
meta_verbose ("Compensated position for gravity, new pos %d,%d\n",
root_x_nw, root_y_nw);
}
/* There can be somewhat bogus interactions between gravity
* and the position constraints (with position contraints
* basically breaking gravity). Not sure how to fix this.
*/
switch (resize_gravity)
{
/* If client is staying fixed on the east during resize, then we
* have to move the west edge.
*/
case NorthEastGravity:
case EastGravity:
case SouthEastGravity:
root_x_nw -= size_dx;
break;
/* centered horizontally */
case NorthGravity:
case SouthGravity:
case CenterGravity:
root_x_nw -= size_dx / 2;
break;
default:
break;
}
switch (resize_gravity)
{
/* If client is staying fixed on the south during resize,
* we have to move the north edge
*/
case SouthGravity:
case SouthEastGravity:
case SouthWestGravity:
root_y_nw -= size_dy;
break;
/* centered vertically */
case EastGravity:
case WestGravity:
case CenterGravity:
root_y_nw -= size_dy / 2;
break;
default:
break;
}
constrain_position (window,
window->frame ? &fgeom : NULL,
root_x_nw, root_y_nw,
&root_x_nw, &root_y_nw);
meta_verbose ("Constrained position to %d,%d\n",
root_x_nw, root_y_nw);
if (window->frame)
{
int new_x, new_y;
new_x = root_x_nw - fgeom.left_width;
new_y = root_y_nw - fgeom.top_height;
if (new_x != window->frame->rect.x ||
new_y != window->frame->rect.y)
need_move_frame = TRUE;
if (window->rect.x != fgeom.left_width ||
window->rect.y != fgeom.top_height)
need_move_client = TRUE;
window->frame->rect.x = new_x;
window->frame->rect.y = new_y;
/* window->rect.x, window->rect.y are relative to frame,
* remember they are the server coords
*/
pos_dx = fgeom.left_width - window->rect.x;
pos_dy = fgeom.top_height - window->rect.y;
window->rect.x = fgeom.left_width;
window->rect.y = fgeom.top_height;
}
else
{
if (root_x_nw != window->rect.x ||
root_y_nw != window->rect.y)
need_move_client = TRUE;
pos_dx = root_x_nw - window->rect.x;
pos_dy = root_y_nw - window->rect.y;
window->rect.x = root_x_nw;
window->rect.y = root_y_nw;
}
/* Fill in other frame member variables */
if (window->frame)
{
window->frame->child_x = fgeom.left_width;
window->frame->child_y = fgeom.top_height;
window->frame->right_width = fgeom.right_width;
window->frame->bottom_height = fgeom.bottom_height;
}
/* 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 ||
window->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;
/* The rest of this function syncs our new size/pos with X as
* efficiently as possible
*/
values.border_width = 0;
values.x = window->rect.x;
values.y = window->rect.y;
values.width = window->rect.width;
values.height = window->rect.height;
mask = 0;
if (is_configure_request && window->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)
{
{
int newx, newy;
meta_window_get_position (window, &newx, &newy);
meta_verbose ("Syncing new client geometry %d,%d %dx%d, border: %s pos: %s size: %s\n",
newx, newy,
window->rect.width, window->rect.height,
mask & CWBorderWidth ? "true" : "false",
need_move_client ? "true" : "false",
need_resize_client ? "true" : "false");
}
meta_error_trap_push (window->display);
XConfigureWindow (window->display->xdisplay,
window->xwindow,
mask,
&values);
meta_error_trap_pop (window->display);
}
/* Now do the frame */
if (window->frame)
{
meta_frame_sync_to_window (window->frame, need_move_frame, need_resize_frame);
}
if (need_configure_notify)
send_configure_notify (window);
if (is_user_action)
{
window->user_has_move_resized = TRUE;
window->user_rect.width = window->rect.width;
window->user_rect.height = window->rect.height;
meta_window_get_position (window,
&window->user_rect.x,
&window->user_rect.y);
}
if (need_move_frame || need_resize_frame ||
need_move_client || need_resize_client)
{
int newx, newy;
meta_window_get_position (window, &newx, &newy);
meta_verbose ("New size/position %d,%d %dx%d (user %d,%d %dx%d)\n",
newx, newy, window->rect.width, window->rect.height,
window->user_rect.x, window->user_rect.y,
window->user_rect.width, window->user_rect.height);
}
else
{
meta_verbose ("Size/position not modified\n");
}
/* Invariants leaving this function are:
* a) window->rect and frame->rect reflect the actual
* server-side size/pos of window->xwindow and frame->xwindow
* b) all constraints are obeyed by window->rect and frame->rect
*/
}
void
meta_window_resize (MetaWindow *window,
gboolean user_op,
int w,
int h)
{
int x, y;
meta_window_get_position (window, &x, &y);
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
x, y, w, h);
}
void
meta_window_move (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw)
{
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
root_x_nw, root_y_nw,
window->rect.width,
window->rect.height);
}
void
meta_window_move_resize (MetaWindow *window,
gboolean user_op,
int root_x_nw,
int root_y_nw,
int w,
int h)
{
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
NorthWestGravity,
root_x_nw, root_y_nw,
w, h);
}
void
meta_window_resize_with_gravity (MetaWindow *window,
gboolean user_op,
int w,
int h,
int gravity)
{
int x, y;
meta_window_get_position (window, &x, &y);
meta_window_move_resize_internal (window,
user_op ? META_USER_MOVE_RESIZE : 0,
gravity,
x, y, w, h);
}
void
meta_window_move_resize_now (MetaWindow *window)
{
int x, y;
/* If constraints have changed then we'll snap back to wherever
* the user had the window
*/
meta_window_get_user_position (window, &x, &y);
meta_window_move_resize (window, FALSE, x, y,
window->user_has_move_resized ?
window->user_rect.width : window->rect.width,
window->user_has_move_resized ?
window->user_rect.height : window->rect.height);
}
void
meta_window_queue_move_resize (MetaWindow *window)
{
/* FIXME actually queue, don't do it immediately */
meta_window_move_resize_now (window);
}
void
meta_window_get_position (MetaWindow *window,
int *x,
int *y)
{
if (window->frame)
{
if (x)
*x = window->frame->rect.x + window->frame->child_x;
if (y)
*y = window->frame->rect.y + window->frame->child_y;
}
else
{
if (x)
*x = window->rect.x;
if (y)
*y = window->rect.y;
}
}
void
meta_window_get_user_position (MetaWindow *window,
int *x,
int *y)
{
if (window->user_has_move_resized)
{
if (x)
*x = window->user_rect.x;
if (y)
*y = window->user_rect.y;
}
else
{
meta_window_get_position (window, x, y);
}
}
void
meta_window_get_gravity_position (MetaWindow *window,
int *root_x,
int *root_y)
{
MetaRectangle frame_extents;
int w, h;
int x, y;
w = window->rect.width;
h = window->rect.height;
if (window->size_hints.win_gravity == StaticGravity)
{
frame_extents = window->rect;
if (window->frame)
{
frame_extents.x = window->frame->rect.x + window->frame->child_x;
frame_extents.y = window->frame->rect.y + window->frame->child_y;
}
}
else
{
if (window->frame == NULL)
frame_extents = window->rect;
else
frame_extents = window->frame->rect;
}
x = frame_extents.x;
y = frame_extents.y;
switch (window->size_hints.win_gravity)
{
case NorthGravity:
case CenterGravity:
case SouthGravity:
/* Find center of frame. */
x += frame_extents.width / 2;
/* Center client window on that point. */
x -= w / 2;
break;
case SouthEastGravity:
case EastGravity:
case NorthEastGravity:
/* Find right edge of frame */
x += frame_extents.width;
/* Align left edge of client at that point. */
x -= w;
break;
default:
break;
}
switch (window->size_hints.win_gravity)
{
case WestGravity:
case CenterGravity:
case EastGravity:
/* Find center of frame. */
y += frame_extents.height / 2;
/* Center client window there. */
y -= h / 2;
break;
case SouthWestGravity:
case SouthGravity:
case SouthEastGravity:
/* Find south edge of frame */
y += frame_extents.height;
/* Place bottom edge of client there */
y -= h;
break;
default:
break;
}
if (root_x)
*root_x = x;
if (root_y)
*root_y = y;
}
void
meta_window_get_geometry (MetaWindow *window,
int *x,
int *y,
int *width,
int *height)
{
meta_window_get_gravity_position (window, x, y);
*width = (window->rect.width - window->size_hints.base_width) /
window->size_hints.width_inc;
*height = (window->rect.height - window->size_hints.base_height) /
window->size_hints.height_inc;
}
void
meta_window_get_outer_rect (MetaWindow *window,
MetaRectangle *rect)
{
if (window->frame)
*rect = window->frame->rect;
else
*rect = window->rect;
}
void
meta_window_delete (MetaWindow *window,
Time timestamp)
{
meta_error_trap_push (window->display);
if (window->delete_window)
{
meta_verbose ("Deleting %s with delete_window request\n",
window->desc);
meta_window_send_icccm_message (window,
window->display->atom_wm_delete_window,
timestamp);
}
else
{
meta_verbose ("Deleting %s with explicit kill\n",
window->desc);
XKillClient (window->display->xdisplay, window->xwindow);
}
meta_error_trap_pop (window->display);
}
void
meta_window_focus (MetaWindow *window,
Time timestamp)
{
meta_verbose ("Setting input focus to window %s, input: %d take_focus: %d\n",
window->desc, window->input, window->take_focus);
if (window->display->grab_window &&
window->display->grab_window->all_keys_grabbed)
{
meta_verbose ("Current focus window %s has global keygrab, not focusing window %s after all\n",
window->display->grab_window->desc, window->desc);
return;
}
meta_window_flush_calc_showing (window);
/* 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 ||
!(window->input || window->take_focus)))
{
if (window->frame)
{
meta_verbose ("Focusing frame of %s\n", window->desc);
XSetInputFocus (window->display->xdisplay,
window->frame->xwindow,
RevertToPointerRoot,
CurrentTime);
}
}
else
{
meta_error_trap_push (window->display);
if (window->input)
{
XSetInputFocus (window->display->xdisplay,
window->xwindow,
RevertToPointerRoot,
timestamp);
}
if (window->take_focus)
{
meta_window_send_icccm_message (window,
window->display->atom_wm_take_focus,
timestamp);
}
meta_error_trap_pop (window->display);
}
}
void
meta_window_change_workspace (MetaWindow *window,
MetaWorkspace *workspace)
{
meta_verbose ("Changing window %s to workspace %d\n",
window->desc, meta_workspace_index (workspace));
/* See if we're already on this space */
if (g_list_find (window->workspaces, workspace) != NULL)
{
meta_verbose ("%s already on this workspace\n", window->desc);
return;
}
/* Add first, to maintain invariant that we're always
* on some workspace.
*/
meta_workspace_add_window (workspace, window);
/* unstick if stuck */
if (window->on_all_workspaces)
window->on_all_workspaces = FALSE;
/* Lamely rely on prepend */
g_assert (window->workspaces->data == workspace);
/* Remove from all other spaces */
while (window->workspaces->next) /* while list size > 1 */
meta_workspace_remove_window (window->workspaces->next->data, window);
}
void
meta_window_stick (MetaWindow *window)
{
if (window->on_all_workspaces)
return;
/* We don't change window->workspaces, because we revert
* to that original workspace list if on_all_workspaces is
* toggled back off.
*/
window->on_all_workspaces = TRUE;
meta_window_set_current_workspace_hint (window);
meta_window_queue_calc_showing (window);
}
void
meta_window_unstick (MetaWindow *window)
{
if (!window->on_all_workspaces)
return;
/* Revert to window->workspaces */
window->on_all_workspaces = FALSE;
/* We change ourselves to the active workspace, since otherwise you'd get
* a weird window-vaporization effect. Once we have UI for being
* on more than one workspace this should probably be add_workspace
* not change_workspace.
*/
if (!meta_workspace_contains_window (window->screen->active_workspace,
window))
meta_window_change_workspace (window, window->screen->active_workspace);
meta_window_set_current_workspace_hint (window);
meta_window_queue_calc_showing (window);
}
unsigned long
meta_window_get_net_wm_desktop (MetaWindow *window)
{
if (window->on_all_workspaces ||
g_list_length (window->workspaces) > 1)
return 0xFFFFFFFF;
else
return meta_workspace_screen_index (window->workspaces->data);
}
int
meta_window_set_current_workspace_hint (MetaWindow *window)
{
/* 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->workspaces == NULL)
return Success; /* this happens when destroying windows */
data[0] = meta_window_get_net_wm_desktop (window);
meta_verbose ("Setting _NET_WM_DESKTOP of %s to %ld\n",
window->desc, data[0]);
meta_error_trap_push (window->display);
XChangeProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_desktop,
XA_CARDINAL,
32, PropModeReplace, (guchar*) data, 1);
return meta_error_trap_pop (window->display);
}
void
meta_window_raise (MetaWindow *window)
{
meta_verbose ("Raising window %s\n", window->desc);
meta_stack_raise (window->screen->stack, window);
}
void
meta_window_lower (MetaWindow *window)
{
meta_verbose ("Lowering window %s\n", window->desc);
meta_stack_lower (window->screen->stack, window);
}
void
meta_window_send_icccm_message (MetaWindow *window,
Atom atom,
Time 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;
ev.type = ClientMessage;
ev.window = window->xwindow;
ev.message_type = window->display->atom_wm_protocols;
ev.format = 32;
ev.data.l[0] = atom;
ev.data.l[1] = timestamp;
XSendEvent (window->display->xdisplay,
window->xwindow, False, 0, (XEvent*) &ev);
}
gboolean
meta_window_configure_request (MetaWindow *window,
XEvent *event)
{
int x, y, width, height;
gboolean only_resize;
/* 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, &x, &y);
only_resize = TRUE;
if (((window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU) &&
(window->size_hints.flags & PPosition)) ||
/* This is here exactly until some crap app annoys me
* by misusing it. ;-) Then I remove it and only honor
* USPosition at map time.
*/
(window->size_hints.flags & USPosition))
{
if (event->xconfigurerequest.value_mask & CWX)
x = event->xconfigurerequest.x;
if (event->xconfigurerequest.value_mask & CWY)
y = event->xconfigurerequest.y;
if (event->xconfigurerequest.value_mask & (CWX | CWY))
only_resize = FALSE;
}
width = window->rect.width;
height = window->rect.height;
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK ||
window->type == META_WINDOW_TOOLBAR ||
window->type == META_WINDOW_MENU)
{
if (event->xconfigurerequest.value_mask & CWWidth)
width = event->xconfigurerequest.width;
if (event->xconfigurerequest.value_mask & CWHeight)
height = event->xconfigurerequest.height;
}
/* ICCCM 4.1.5 */
/* 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.
*/
window->border_width = event->xconfigurerequest.border_width;
/* 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;
/* FIXME passing the gravity on only_resize thing is kind of crack-rock.
* Basically I now have several ways of handling gravity, and things
* don't make too much sense. I think I am doing the math in a couple
* places and could do it in only one function, and remove some of the
* move_resize_internal arguments.
*/
meta_window_move_resize_internal (window, META_IS_CONFIGURE_REQUEST,
only_resize ?
window->size_hints.win_gravity : NorthWestGravity,
window->size_hints.x,
window->size_hints.y,
window->size_hints.width,
window->size_hints.height);
return TRUE;
}
gboolean
meta_window_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
gboolean
meta_window_client_message (MetaWindow *window,
XEvent *event)
{
MetaDisplay *display;
display = window->display;
if (event->xclient.message_type ==
display->atom_net_close_window)
{
/* I think the wm spec should maybe put a time
* in this message, CurrentTime here is sort of
* bogus. But it rarely matters most likely.
*/
meta_window_delete (window, CurrentTime);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_wm_desktop)
{
int space;
MetaWorkspace *workspace;
space = event->xclient.data.l[0];
meta_verbose ("Request to move %s to screen workspace %d\n",
window->desc, space);
workspace =
meta_display_get_workspace_by_screen_index (display,
window->screen,
space);
if (workspace)
{
if (window->on_all_workspaces)
meta_window_unstick (window);
meta_window_change_workspace (window, workspace);
}
else if (space == 0xFFFFFFFF)
{
meta_window_stick (window);
}
else
{
meta_verbose ("No such workspace %d for screen\n", space);
}
return TRUE;
}
else if (event->xclient.message_type ==
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_error_trap_push (display);
str1 = XGetAtomName (display->xdisplay, first);
if (meta_error_trap_pop (display))
str1 = NULL;
meta_error_trap_push (display);
str2 = XGetAtomName (display->xdisplay, second);
if (meta_error_trap_pop (display))
str2 = NULL;
meta_verbose ("Request to change _NET_WM_STATE action %ld atom1: %s atom2: %s\n",
action,
str1 ? str1 : "(unknown)",
str2 ? str2 : "(unknown)");
if (str1)
XFree (str1);
if (str2)
XFree (str2);
}
if (first == display->atom_net_wm_state_shaded ||
second == display->atom_net_wm_state_shaded)
{
gboolean shade;
shade = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->shaded));
if (shade && window->has_shade_func)
meta_window_shade (window);
else
meta_window_unshade (window);
}
if (first == display->atom_net_wm_state_maximized_horz ||
second == display->atom_net_wm_state_maximized_horz ||
first == display->atom_net_wm_state_maximized_vert ||
second == display->atom_net_wm_state_maximized_vert)
{
gboolean max;
max = (action == _NET_WM_STATE_ADD ||
(action == _NET_WM_STATE_TOGGLE && !window->maximized));
if (max && window->has_maximize_func)
meta_window_maximize (window);
else
meta_window_unmaximize (window);
}
if (first == display->atom_net_wm_state_modal ||
second == display->atom_net_wm_state_modal)
{
window->wm_state_modal =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_modal);
recalc_window_type (window);
meta_window_queue_move_resize (window);
}
if (first == display->atom_net_wm_state_skip_pager ||
second == display->atom_net_wm_state_skip_pager)
{
window->wm_state_skip_pager =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_skip_pager);
set_net_wm_state (window);
}
if (first == display->atom_net_wm_state_skip_taskbar ||
second == display->atom_net_wm_state_skip_taskbar)
{
window->wm_state_skip_taskbar =
(action == _NET_WM_STATE_ADD) ||
(action == _NET_WM_STATE_TOGGLE && !window->wm_state_skip_taskbar);
set_net_wm_state (window);
}
return TRUE;
}
else if (event->xclient.message_type ==
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 &&
window->has_minimize_func)
meta_window_minimize (window);
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_wm_moveresize)
{
int x_root;
int y_root;
int action;
MetaGrabOp op;
x_root = event->xclient.data.l[0];
y_root = event->xclient.data.l[1];
action = event->xclient.data.l[2];
meta_verbose ("Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d\n",
window->desc,
x_root, y_root, action);
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;
default:
break;
}
if (op != META_GRAB_OP_NONE &&
((window->has_move_func && op == META_GRAB_OP_MOVING) ||
(window->has_resize_func && op != META_GRAB_OP_MOVING)))
{
int x, y, query_root_x, query_root_y;
Window root, child;
guint mask;
int button;
/* The race conditions in this _NET_WM_MOVERESIZE thing
* are mind-boggling
*/
mask = 0;
meta_error_trap_push (window->display);
XQueryPointer (window->display->xdisplay,
window->xwindow,
&root, &child,
&query_root_x, &query_root_y,
&x, &y,
&mask);
meta_error_trap_pop (window->display);
if (mask & Button1Mask)
button = 1;
else if (mask & Button2Mask)
button = 2;
else if (mask & Button3Mask)
button = 3;
else
button = 0;
if (button != 0)
{
meta_verbose ("Beginning move/resize with button = %d\n", button);
meta_display_begin_grab_op (window->display,
window,
op,
FALSE,
button, 0,
CurrentTime,
x_root,
y_root);
}
}
return TRUE;
}
else if (event->xclient.message_type ==
display->atom_net_active_window)
{
meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s'", window->desc);
meta_window_activate (window, CurrentTime);
return TRUE;
}
return FALSE;
}
gboolean
meta_window_notify_focus (MetaWindow *window,
XEvent *event)
{
/* note the event can be on either the window or the frame,
* we focus the frame for shaded windows
*/
/* The event can be FocusIn, FocusOut, or UnmapNotify.
* On UnmapNotify we have to pretend it's focus out,
* because we won't get a focus out if it occurs, apparently.
*/
/* We don't ever want to set prev_focus_window to NULL,
* though it may be NULL due to e.g. only one window ever
* getting focus, or a window disappearing.
*/
/* We ignore grabs, though this is questionable.
* It may be better to increase the intelligence of
* the focus window tracking.
*
* The problem is that keybindings for windows are done
* with XGrabKey, which means focus_window disappears
* and prev_focus_window gets confused from what the
* user expects once a keybinding is used.
*/
if ((event->type == FocusIn ||
event->type == FocusOut) &&
(event->xfocus.mode == NotifyGrab ||
event->xfocus.mode == NotifyUngrab))
{
meta_verbose ("Ignoring focus event generated by a grab\n");
return TRUE;
}
if (event->type == FocusIn)
{
if (window != window->display->focus_window)
{
if (window == window->display->prev_focus_window &&
window->display->focus_window != NULL)
{
meta_verbose ("%s is now the previous focus window due to another window focused in\n",
window->display->focus_window->desc);
window->display->prev_focus_window = window->display->focus_window;
}
meta_verbose ("New focus window %s\n", window->desc);
window->display->focus_window = window;
}
window->has_focus = TRUE;
if (window->frame)
meta_frame_queue_draw (window->frame);
}
else if (event->type == FocusOut ||
event->type == UnmapNotify)
{
if (window == window->display->focus_window)
{
meta_verbose ("%s is now the previous focus window due to being focused out or unmapped\n",
window->desc);
window->display->prev_focus_window = window;
window->display->focus_window = NULL;
}
window->has_focus = FALSE;
if (window->frame)
meta_frame_queue_draw (window->frame);
}
/* Now set _NET_ACTIVE_WINDOW hint */
meta_display_update_active_window_hint (window->display);
return FALSE;
}
static gboolean
process_property_notify (MetaWindow *window,
XPropertyEvent *event)
{
if (event->atom == XA_WM_NAME ||
event->atom == window->display->atom_net_wm_name)
{
meta_verbose ("Property notify on %s for WM_NAME or NET_WM_NAME\n", window->desc);
update_title (window);
}
else if (event->atom == XA_WM_NORMAL_HINTS)
{
meta_verbose ("Property notify on %s for WM_NORMAL_HINTS\n", window->desc);
update_size_hints (window);
/* See if we need to constrain current size */
meta_window_queue_move_resize (window);
}
else if (event->atom == window->display->atom_wm_protocols)
{
meta_verbose ("Property notify on %s for WM_PROTOCOLS\n", window->desc);
update_protocols (window);
meta_window_queue_move_resize (window);
}
else if (event->atom == XA_WM_HINTS)
{
meta_verbose ("Property notify on %s for WM_HINTS\n", window->desc);
update_wm_hints (window);
update_icon (window, FALSE);
meta_window_queue_move_resize (window);
}
else if (event->atom == window->display->atom_motif_wm_hints)
{
meta_verbose ("Property notify on %s for MOTIF_WM_HINTS\n", window->desc);
update_mwm_hints (window);
if (window->decorated)
meta_window_ensure_frame (window);
else
meta_window_destroy_frame (window);
meta_window_queue_move_resize (window);
}
else if (event->atom == XA_WM_CLASS)
{
meta_verbose ("Property notify on %s for WM_CLASS\n", window->desc);
update_wm_class (window);
}
else if (event->atom == XA_WM_TRANSIENT_FOR)
{
meta_verbose ("Property notify on %s for WM_TRANSIENT_FOR\n", window->desc);
update_transient_for (window);
meta_window_queue_move_resize (window);
}
else if (event->atom ==
window->display->atom_wm_window_role)
{
meta_verbose ("Property notify on %s for WM_WINDOW_ROLE\n", window->desc);
update_role (window);
}
else if (event->atom ==
window->display->atom_wm_client_leader ||
event->atom ==
window->display->atom_sm_client_id)
{
meta_warning ("Broken client! Window %s changed client leader window or SM client ID\n", window->desc);
}
else if (event->atom ==
window->display->atom_net_wm_window_type ||
/* update_net_wm_type falls back to this */
event->atom == window->display->atom_win_layer)
{
meta_verbose ("Property notify on %s for NET_WM_WINDOW_TYPE or WIN_LAYER\n", window->desc);
update_net_wm_type (window);
}
else if (event->atom ==
window->display->atom_net_wm_icon_name ||
event->atom == XA_WM_ICON_NAME)
{
meta_verbose ("Property notify on %s for NET_WM_ICON_NAME or WM_ICON_NAME\n", window->desc);
update_icon_name (window);
}
else if (event->atom == window->display->atom_net_wm_icon)
{
meta_verbose ("Property notify on %s for NET_WM_ICON\n", window->desc);
update_icon (window, TRUE);
}
else if (event->atom == window->display->atom_kwm_win_icon)
{
meta_verbose ("Property notify on %s for KWM_WIN_ICON\n", window->desc);
update_kwm_icon (window);
update_icon (window, FALSE);
}
return TRUE;
}
static void
send_configure_notify (MetaWindow *window)
{
XEvent event;
/* from twm */
event.type = ConfigureNotify;
event.xconfigure.display = window->display->xdisplay;
event.xconfigure.event = window->xwindow;
event.xconfigure.window = window->xwindow;
event.xconfigure.x = window->rect.x - window->border_width;
event.xconfigure.y = window->rect.y - window->border_width;
if (window->frame)
{
/* Need to be in root window coordinates */
event.xconfigure.x += window->frame->rect.x;
event.xconfigure.y += window->frame->rect.y;
}
event.xconfigure.width = window->rect.width;
event.xconfigure.height = window->rect.height;
event.xconfigure.border_width = window->border_width; /* requested not actual */
event.xconfigure.above = None; /* FIXME */
event.xconfigure.override_redirect = False;
meta_verbose ("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_error_trap_push (window->display);
XSendEvent (window->display->xdisplay,
window->xwindow,
False, StructureNotifyMask, &event);
meta_error_trap_pop (window->display);
}
#define FLAG_TOGGLED_ON(old,new,flag) \
(((old)->flags & (flag)) == 0 && \
((new)->flags & (flag)) != 0)
#define FLAG_TOGGLED_OFF(old,new,flag) \
(((old)->flags & (flag)) != 0 && \
((new)->flags & (flag)) == 0)
#define FLAG_CHANGED(old,new,flag) \
(FLAG_TOGGLED_ON(old,new,flag) || FLAG_TOGGLED_OFF(old,new,flag))
static void
spew_size_hints_differences (const XSizeHints *old,
const XSizeHints *new)
{
if (FLAG_CHANGED (old, new, USPosition))
meta_verbose ("XSizeHints: USPosition now %s\n",
FLAG_TOGGLED_ON (old, new, USPosition) ? "set" : "unset");
if (FLAG_CHANGED (old, new, USSize))
meta_verbose ("XSizeHints: USSize now %s\n",
FLAG_TOGGLED_ON (old, new, USSize) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PPosition))
meta_verbose ("XSizeHints: PPosition now %s\n",
FLAG_TOGGLED_ON (old, new, PPosition) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PSize))
meta_verbose ("XSizeHints: PSize now %s\n",
FLAG_TOGGLED_ON (old, new, PSize) ? "set" : "unset");
if (FLAG_CHANGED (old, new, PMinSize))
meta_verbose ("XSizeHints: PMinSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PMinSize) ? "set" : "unset",
old->min_width, old->min_height,
new->min_width, new->min_height);
if (FLAG_CHANGED (old, new, PMaxSize))
meta_verbose ("XSizeHints: PMaxSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PMaxSize) ? "set" : "unset",
old->max_width, old->max_height,
new->max_width, new->max_height);
if (FLAG_CHANGED (old, new, PResizeInc))
meta_verbose ("XSizeHints: PResizeInc now %s (width_inc %d -> %d height_inc %d -> %d)\n",
FLAG_TOGGLED_ON (old, new, PResizeInc) ? "set" : "unset",
old->width_inc, new->width_inc,
old->height_inc, new->height_inc);
if (FLAG_CHANGED (old, new, PAspect))
meta_verbose ("XSizeHints: PAspect now %s (min %d/%d -> %d/%d max %d/%d -> %d/%d)\n",
FLAG_TOGGLED_ON (old, new, PAspect) ? "set" : "unset",
old->min_aspect.x, old->min_aspect.y,
new->min_aspect.x, new->min_aspect.y,
old->max_aspect.x, old->max_aspect.y,
new->max_aspect.x, new->max_aspect.y);
if (FLAG_CHANGED (old, new, PBaseSize))
meta_verbose ("XSizeHints: PBaseSize now %s (%d x %d -> %d x %d)\n",
FLAG_TOGGLED_ON (old, new, PBaseSize) ? "set" : "unset",
old->base_width, old->base_height,
new->base_width, new->base_height);
if (FLAG_CHANGED (old, new, PWinGravity))
meta_verbose ("XSizeHints: PWinGravity now %s (%d -> %d)\n",
FLAG_TOGGLED_ON (old, new, PWinGravity) ? "set" : "unset",
old->win_gravity, new->win_gravity);
}
static int
update_size_hints (MetaWindow *window)
{
int x, y, w, h;
gulong supplied;
XSizeHints old_hints;
meta_verbose ("Updating WM_NORMAL_HINTS for %s\n", window->desc);
old_hints = window->size_hints;
/* Save the last ConfigureRequest, which we put here.
* Values here set in the hints are supposed to
* be ignored.
*/
x = window->size_hints.x;
y = window->size_hints.y;
w = window->size_hints.width;
h = window->size_hints.height;
window->size_hints.flags = 0;
supplied = 0;
meta_error_trap_push (window->display);
XGetWMNormalHints (window->display->xdisplay,
window->xwindow,
&window->size_hints,
&supplied);
/* as far as I can tell, "supplied" is just
* to check whether we had old-style normal hints
* without gravity, base size as returned by
* XGetNormalHints()
*/
/* Put it back. */
window->size_hints.x = x;
window->size_hints.y = y;
window->size_hints.width = w;
window->size_hints.height = h;
if (window->size_hints.flags & PBaseSize)
{
meta_verbose ("Window %s sets base size %d x %d\n",
window->desc,
window->size_hints.base_width,
window->size_hints.base_height);
}
else if (window->size_hints.flags & PMinSize)
{
window->size_hints.base_width = window->size_hints.min_width;
window->size_hints.base_height = window->size_hints.min_height;
}
else
{
window->size_hints.base_width = 0;
window->size_hints.base_height = 0;
}
window->size_hints.flags |= PBaseSize;
if (window->size_hints.flags & PMinSize)
{
meta_verbose ("Window %s sets min size %d x %d\n",
window->desc,
window->size_hints.min_width,
window->size_hints.min_height);
}
else if (window->size_hints.flags & PBaseSize)
{
window->size_hints.min_width = window->size_hints.base_width;
window->size_hints.min_height = window->size_hints.base_height;
}
else
{
window->size_hints.min_width = 0;
window->size_hints.min_height = 0;
}
window->size_hints.flags |= PMinSize;
if (window->size_hints.flags & PMaxSize)
{
meta_verbose ("Window %s sets max size %d x %d\n",
window->desc,
window->size_hints.max_width,
window->size_hints.max_height);
}
else
{
window->size_hints.max_width = G_MAXINT;
window->size_hints.max_height = G_MAXINT;
window->size_hints.flags |= PMaxSize;
}
if (window->size_hints.max_width < window->size_hints.min_width)
{
/* someone is on crack */
meta_warning (_("Window %s sets max width %d less than min width %d, disabling resize\n"),
window->desc,
window->size_hints.max_width,
window->size_hints.min_width);
window->size_hints.max_width = window->size_hints.min_width;
}
if (window->size_hints.max_height < window->size_hints.min_height)
{
/* another cracksmoker */
meta_warning (_("Window %s sets max height %d less than min height %d, disabling resize\n"),
window->desc,
window->size_hints.max_height,
window->size_hints.min_height);
window->size_hints.max_height = window->size_hints.min_height;
}
if (window->size_hints.flags & PResizeInc)
{
meta_verbose ("Window %s sets resize width inc: %d height inc: %d\n",
window->desc,
window->size_hints.width_inc,
window->size_hints.height_inc);
if (window->size_hints.width_inc == 0)
{
window->size_hints.width_inc = 1;
meta_verbose ("Corrected 0 width_inc to 1\n");
}
if (window->size_hints.height_inc == 0)
{
window->size_hints.height_inc = 1;
meta_verbose ("Corrected 0 height_inc to 1\n");
}
}
else
{
window->size_hints.width_inc = 1;
window->size_hints.height_inc = 1;
window->size_hints.flags |= PResizeInc;
}
if (window->size_hints.flags & PAspect)
{
meta_verbose ("Window %s sets min_aspect: %d/%d max_aspect: %d/%d\n",
window->desc,
window->size_hints.min_aspect.x,
window->size_hints.min_aspect.y,
window->size_hints.max_aspect.x,
window->size_hints.max_aspect.y);
/* don't divide by 0 */
if (window->size_hints.min_aspect.y < 1)
window->size_hints.min_aspect.y = 1;
if (window->size_hints.max_aspect.y < 1)
window->size_hints.max_aspect.y = 1;
}
else
{
window->size_hints.min_aspect.x = 1;
window->size_hints.min_aspect.y = G_MAXINT;
window->size_hints.max_aspect.x = G_MAXINT;
window->size_hints.max_aspect.y = 1;
window->size_hints.flags |= PAspect;
}
if (window->size_hints.flags & PWinGravity)
{
meta_verbose ("Window %s sets gravity %d\n",
window->desc,
window->size_hints.win_gravity);
}
else
{
meta_verbose ("Window %s doesn't set gravity, using NW\n",
window->desc);
window->size_hints.win_gravity = NorthWestGravity;
window->size_hints.flags |= PWinGravity;
}
recalc_window_features (window);
spew_size_hints_differences (&old_hints, &window->size_hints);
return meta_error_trap_pop (window->display);
}
static int
update_title (MetaWindow *window)
{
meta_error_trap_push (window->display);
if (window->title)
{
g_free (window->title);
window->title = NULL;
}
window->title = get_utf8_property (window->display,
window->xwindow,
window->display->atom_net_wm_name);
if (window->title)
{
meta_verbose ("Using _NET_WM_NAME for new title of %s: '%s'\n",
window->desc, window->title);
}
if (window->title == NULL)
{
window->title = get_text_property (window->display,
window->xwindow,
XA_WM_NAME);
if (window->title)
{
meta_verbose ("Using WM_NAME for new title of %s: '%s'\n",
window->desc, window->title);
}
}
if (window->title == NULL)
window->title = g_strdup ("");
g_free (window->desc);
window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title);
if (window->frame)
meta_ui_set_frame_title (window->screen->ui,
window->frame->xwindow,
window->title);
return meta_error_trap_pop (window->display);
}
static int
update_protocols (MetaWindow *window)
{
Atom *protocols = NULL;
int n_protocols = 0;
int i;
window->take_focus = FALSE;
window->delete_window = FALSE;
meta_error_trap_push (window->display);
if (XGetWMProtocols (window->display->xdisplay,
window->xwindow,
&protocols,
&n_protocols))
{
i = 0;
while (i < n_protocols)
{
if (protocols[i] == window->display->atom_wm_take_focus)
window->take_focus = TRUE;
else if (protocols[i] == window->display->atom_wm_delete_window)
window->delete_window = TRUE;
++i;
}
if (protocols)
XFree (protocols);
}
meta_verbose ("Window %s has take_focus = %d delete_window = %d\n",
window->desc, window->take_focus, window->delete_window);
return meta_error_trap_pop (window->display);
}
static int
update_wm_hints (MetaWindow *window)
{
XWMHints *hints;
Pixmap old_icon;
Pixmap old_mask;
old_icon = window->icon_pixmap;
old_mask = window->icon_mask;
/* Fill in defaults */
window->input = FALSE;
window->initially_iconic = FALSE;
window->xgroup_leader = None;
window->icon_pixmap = None;
window->icon_mask = None;
meta_error_trap_push (window->display);
hints = XGetWMHints (window->display->xdisplay,
window->xwindow);
if (hints)
{
window->input = (hints->flags & InputHint) != 0;
if (hints->flags & StateHint)
window->initially_iconic = (hints->initial_state == IconicState);
if (hints->flags & WindowGroupHint)
window->xgroup_leader = hints->window_group;
if (hints->flags & IconPixmapHint)
window->icon_pixmap = hints->icon_pixmap;
if (hints->flags & IconMaskHint)
window->icon_mask = hints->icon_mask;
if (window->icon_pixmap != old_icon ||
window->icon_mask != old_mask)
{
meta_verbose ("Icon pixmap or mask changed in WM_HINTS for %s\n",
window->desc);
update_icon (window, FALSE);
}
meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%lx icon: 0x%lx mask: 0x%lx\n",
window->input, window->initially_iconic,
window->xgroup_leader, window->icon_pixmap,
window->icon_mask);
XFree (hints);
}
return meta_error_trap_pop (window->display);
}
static int
update_net_wm_state (MetaWindow *window)
{
/* We know this is only on initial window creation,
* clients don't change the property.
*/
Atom type;
int format;
gulong n_atoms;
gulong bytes_after;
Atom *atoms;
int result;
int i;
window->shaded = FALSE;
window->maximized = FALSE;
window->wm_state_modal = FALSE;
meta_error_trap_push (window->display);
XGetWindowProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_state,
0, G_MAXLONG,
False, XA_ATOM, &type, &format, &n_atoms,
&bytes_after, (guchar **)&atoms);
result = meta_error_trap_pop (window->display);
if (result != Success)
{
recalc_window_type (window);
return result;
}
if (type != XA_ATOM)
{
recalc_window_type (window);
return -1; /* whatever */
}
i = 0;
while (i < n_atoms)
{
if (atoms[i] == window->display->atom_net_wm_state_shaded)
window->shaded = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_maximized_horz)
window->maximized = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_maximized_vert)
window->maximized = TRUE;
else if (atoms[i] == window->display->atom_net_wm_state_modal)
window->wm_state_modal = TRUE;
++i;
}
XFree (atoms);
recalc_window_type (window);
return Success;
}
/* I don't know of any docs anywhere on what the
* hell most of this means. Copied from Lesstif by
* way of GTK
*/
typedef struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long input_mode;
unsigned long status;
} MotifWmHints, MwmHints;
#define MWM_HINTS_FUNCTIONS (1L << 0)
#define MWM_HINTS_DECORATIONS (1L << 1)
#define MWM_HINTS_INPUT_MODE (1L << 2)
#define MWM_HINTS_STATUS (1L << 3)
#define MWM_FUNC_ALL (1L << 0)
#define MWM_FUNC_RESIZE (1L << 1)
#define MWM_FUNC_MOVE (1L << 2)
#define MWM_FUNC_MINIMIZE (1L << 3)
#define MWM_FUNC_MAXIMIZE (1L << 4)
#define MWM_FUNC_CLOSE (1L << 5)
#define MWM_DECOR_ALL (1L << 0)
#define MWM_DECOR_BORDER (1L << 1)
#define MWM_DECOR_RESIZEH (1L << 2)
#define MWM_DECOR_TITLE (1L << 3)
#define MWM_DECOR_MENU (1L << 4)
#define MWM_DECOR_MINIMIZE (1L << 5)
#define MWM_DECOR_MAXIMIZE (1L << 6)
#define MWM_INPUT_MODELESS 0
#define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1
#define MWM_INPUT_SYSTEM_MODAL 2
#define MWM_INPUT_FULL_APPLICATION_MODAL 3
#define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL
#define MWM_TEAROFF_WINDOW (1L<<0)
static int
update_mwm_hints (MetaWindow *window)
{
MotifWmHints *hints;
Atom type;
int format;
gulong nitems;
gulong bytes_after;
int result;
window->mwm_decorated = TRUE;
window->mwm_has_close_func = TRUE;
window->mwm_has_minimize_func = TRUE;
window->mwm_has_maximize_func = TRUE;
window->mwm_has_move_func = TRUE;
window->mwm_has_resize_func = TRUE;
meta_error_trap_push (window->display);
XGetWindowProperty (window->display->xdisplay, window->xwindow,
window->display->atom_motif_wm_hints,
0, sizeof (MotifWmHints)/sizeof (long),
False, AnyPropertyType, &type, &format, &nitems,
&bytes_after, (guchar **)&hints);
result = meta_error_trap_pop (window->display);
if (result != Success ||
type == None)
{
meta_verbose ("Window %s has no MWM hints\n", window->desc);
/* may be Success, unused anyhow */
return result;
}
/* We support MWM hints deemed non-stupid */
meta_verbose ("Window %s has MWM hints\n",
window->desc);
if (hints->flags & MWM_HINTS_DECORATIONS)
{
meta_verbose ("Window %s sets MWM_HINTS_DECORATIONS 0x%lx\n",
window->desc, hints->decorations);
if (hints->decorations == 0)
window->mwm_decorated = FALSE;
}
else
meta_verbose ("Decorations flag unset\n");
if (hints->flags & MWM_HINTS_FUNCTIONS)
{
gboolean toggle_value;
meta_verbose ("Window %s sets MWM_HINTS_FUNCTIONS 0x%lx\n",
window->desc, hints->functions);
/* If _ALL is specified, then other flags indicate what to turn off;
* if ALL is not specified, flags are what to turn on.
* at least, I think so
*/
if ((hints->flags & MWM_FUNC_ALL) == 0)
{
toggle_value = TRUE;
meta_verbose ("Window %s disables all funcs then reenables some\n",
window->desc);
window->mwm_has_close_func = FALSE;
window->mwm_has_minimize_func = FALSE;
window->mwm_has_maximize_func = FALSE;
window->mwm_has_move_func = FALSE;
window->mwm_has_resize_func = FALSE;
}
else
{
meta_verbose ("Window %s enables all funcs then disables some\n",
window->desc);
toggle_value = FALSE;
}
if ((hints->functions & MWM_FUNC_CLOSE) != 0)
{
meta_verbose ("Window %s toggles close via MWM hints\n",
window->desc);
window->mwm_has_close_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MINIMIZE) != 0)
{
meta_verbose ("Window %s toggles minimize via MWM hints\n",
window->desc);
window->mwm_has_minimize_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MAXIMIZE) != 0)
{
meta_verbose ("Window %s toggles maximize via MWM hints\n",
window->desc);
window->mwm_has_maximize_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_MOVE) != 0)
{
meta_verbose ("Window %s toggles move via MWM hints\n",
window->desc);
window->mwm_has_move_func = toggle_value;
}
if ((hints->functions & MWM_FUNC_RESIZE) != 0)
{
meta_verbose ("Window %s toggles resize via MWM hints\n",
window->desc);
window->mwm_has_resize_func = toggle_value;
}
}
else
meta_verbose ("Functions flag unset\n");
XFree (hints);
recalc_window_features (window);
return Success;
}
static gboolean
meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
gulong *geometry;
int result;
meta_error_trap_push (window->display);
type = None;
XGetWindowProperty (window->display->xdisplay,
window->xwindow,
window->display->atom_net_wm_icon_geometry,
0, G_MAXLONG,
False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, ((guchar **)&geometry));
result = meta_error_trap_pop (window->display);
if (result != Success || type != XA_CARDINAL)
return FALSE;
if (nitems != 4)
{
XFree (geometry);
return FALSE;
}
if (rect)
{
rect->x = geometry[0];
rect->y = geometry[1];
rect->width = geometry[2];
rect->height = geometry[3];
}
XFree (geometry);
return TRUE;
}
static int
update_wm_class (MetaWindow *window)
{
XClassHint ch;
if (window->res_class)
g_free (window->res_class);
if (window->res_name)
g_free (window->res_name);
window->res_class = NULL;
window->res_name = NULL;
meta_error_trap_push (window->display);
ch.res_name = NULL;
ch.res_class = NULL;
XGetClassHint (window->display->xdisplay,
window->xwindow,
&ch);
if (ch.res_name)
{
window->res_name = g_strdup (ch.res_name);
XFree (ch.res_name);
}
if (ch.res_class)
{
window->res_class = g_strdup (ch.res_class);
XFree (ch.res_class);
}
meta_verbose ("Window %s class: '%s' name: '%s'\n",
window->desc,
window->res_class ? window->res_class : "(null)",
window->res_name ? window->res_name : "(null)");
return meta_error_trap_pop (window->display);
}
static int
read_string_prop (MetaDisplay *display,
Window xwindow,
Atom atom,
char **strp)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
guchar *str;
int result;
meta_error_trap_push (display);
str = NULL;
XGetWindowProperty (display->xdisplay,
xwindow, atom,
0, G_MAXLONG,
False, XA_STRING, &type, &format, &nitems,
&bytes_after, (guchar **)&str);
result = meta_error_trap_pop (display);
if (result != Success)
return result;
if (type != XA_STRING)
return -1; /* whatever */
*strp = g_strdup (str);
XFree (str);
return Success;
}
static Window
read_client_leader (MetaDisplay *display,
Window xwindow)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
Window *leader;
int result;
Window retval;
meta_error_trap_push (display);
leader = NULL;
XGetWindowProperty (display->xdisplay, xwindow,
display->atom_wm_client_leader,
0, G_MAXLONG,
False, XA_WINDOW, &type, &format, &nitems,
&bytes_after, (guchar **)&leader);
result = meta_error_trap_pop (display);
if (result != Success)
return None;
if (type != XA_WINDOW)
return None;
retval = *leader;
XFree (leader);
return retval;
}
static void
update_sm_hints (MetaWindow *window)
{
MetaWindow *w;
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 = None;
w = window;
while (w != NULL)
{
leader = read_client_leader (window->display, w->xwindow);
if (leader != None)
break;
if (w->xtransient_for == None)
break;
w = meta_display_lookup_x_window (w->display, w->xtransient_for);
if (w == window)
break; /* Cute, someone thought they'd make a transient_for cycle */
}
if (leader)
{
window->xclient_leader = leader;
read_string_prop (window->display, leader,
window->display->atom_sm_client_id,
&window->sm_client_id);
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 : "(null)");
}
else
meta_verbose ("Didn't find a client leader for %s\n", window->desc);
}
static int
update_role (MetaWindow *window)
{
int result;
if (window->role)
g_free (window->role);
window->role = NULL;
result = read_string_prop (window->display, window->xwindow,
window->display->atom_wm_window_role,
&window->role);
meta_verbose ("Updated role of %s to '%s'\n",
window->desc, window->role ? window->role : "(null)");
return Success;
}
static int
update_transient_for (MetaWindow *window)
{
Window w;
meta_error_trap_push (window->display);
w = None;
XGetTransientForHint (window->display->xdisplay,
window->xwindow,
&w);
window->xtransient_for = w;
if (window->xtransient_for != None)
meta_verbose ("Window %s transient for 0x%lx\n", window->desc,
window->xtransient_for);
else
meta_verbose ("Window %s is not transient\n", window->desc);
/* may now be a dialog */
recalc_window_type (window);
/* update stacking constraints */
meta_stack_update_transient (window->screen->stack, window);
return meta_error_trap_pop (window->display);
}
static gboolean
get_cardinal (MetaDisplay *display,
Window xwindow,
Atom atom,
gulong *val)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
gulong *num;
int err;
meta_error_trap_push (display);
type = None;
XGetWindowProperty (display->xdisplay,
xwindow,
atom,
0, G_MAXLONG,
False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, (guchar **)&num);
err = meta_error_trap_pop (display);
if (err != Success)
return FALSE;
if (type != XA_CARDINAL)
return FALSE; /* FIXME free num ? */
*val = *num;
XFree (num);
return TRUE;
}
static char*
get_text_property (MetaDisplay *display,
Window xwindow,
Atom atom)
{
XTextProperty text;
char *retval;
meta_error_trap_push (display);
text.nitems = 0;
if (XGetTextProperty (display->xdisplay,
xwindow,
&text,
atom))
{
retval = meta_text_property_to_utf8 (display->xdisplay, &text);
if (text.nitems > 0)
XFree (text.value);
}
else
{
retval = NULL;
meta_verbose ("XGetTextProperty() failed\n");
}
meta_error_trap_pop (display);
return retval;
}
static char*
get_utf8_property (MetaDisplay *display,
Window xwindow,
Atom atom)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
guchar *val;
int err;
char *retval;
meta_error_trap_push (display);
type = None;
val = NULL;
XGetWindowProperty (display->xdisplay,
xwindow,
atom,
0, G_MAXLONG,
False, display->atom_utf8_string,
&type, &format, &nitems,
&bytes_after, (guchar **)&val);
err = meta_error_trap_pop (display);
if (err != Success)
return NULL;
if (type != display->atom_utf8_string ||
format != 8 ||
nitems == 0)
{
if (val)
XFree (val);
return NULL;
}
if (!g_utf8_validate (val, nitems, NULL))
{
char *name;
name = XGetAtomName (display->xdisplay, atom);
meta_warning ("Property %s contained invalid UTF-8\n",
name);
XFree (name);
XFree (val);
return NULL;
}
retval = g_strndup (val, nitems);
XFree (val);
return retval;
}
/* some legacy cruft */
typedef enum
{
WIN_LAYER_DESKTOP = 0,
WIN_LAYER_BELOW = 2,
WIN_LAYER_NORMAL = 4,
WIN_LAYER_ONTOP = 6,
WIN_LAYER_DOCK = 8,
WIN_LAYER_ABOVE_DOCK = 10
} GnomeWinLayer;
static int
update_net_wm_type (MetaWindow *window)
{
Atom type;
int format;
gulong n_atoms;
gulong bytes_after;
Atom *atoms;
int result;
int i;
window->type_atom = None;
meta_error_trap_push (window->display);
XGetWindowProperty (window->display->xdisplay, window->xwindow,
window->display->atom_net_wm_window_type,
0, G_MAXLONG,
False, XA_ATOM, &type, &format, &n_atoms,
&bytes_after, (guchar **)&atoms);
result = meta_error_trap_pop (window->display);
if (result != Success ||
type != XA_ATOM)
{
/* Fall back to WIN_LAYER */
gulong layer = WIN_LAYER_NORMAL;
if (get_cardinal (window->display,
window->xwindow,
window->display->atom_win_layer,
&layer))
{
meta_verbose ("%s falling back to _WIN_LAYER hint, layer %ld\n",
window->desc, layer);
switch (layer)
{
case WIN_LAYER_DESKTOP:
window->type_atom =
window->display->atom_net_wm_window_type_desktop;
break;
case WIN_LAYER_NORMAL:
window->type_atom =
window->display->atom_net_wm_window_type_normal;
break;
case WIN_LAYER_DOCK:
window->type_atom =
window->display->atom_net_wm_window_type_dock;
break;
default:
break;
}
}
recalc_window_type (window);
return result;
}
i = 0;
while (i < n_atoms)
{
/* We break as soon as we find one we recognize,
* supposed to prefer those near the front of the list
*/
if (atoms[i] == window->display->atom_net_wm_window_type_desktop ||
atoms[i] == window->display->atom_net_wm_window_type_dock ||
atoms[i] == window->display->atom_net_wm_window_type_toolbar ||
atoms[i] == window->display->atom_net_wm_window_type_menu ||
atoms[i] == window->display->atom_net_wm_window_type_dialog ||
atoms[i] == window->display->atom_net_wm_window_type_normal)
{
window->type_atom = atoms[i];
break;
}
++i;
}
XFree (atoms);
if (meta_is_verbose ())
{
char *str;
meta_error_trap_push (window->display);
str = XGetAtomName (window->display->xdisplay, window->type_atom);
if (meta_error_trap_pop (window->display))
str = NULL;
meta_verbose ("Window %s type atom %s\n", window->desc,
str ? str : "(none)");
if (str)
XFree (str);
}
recalc_window_type (window);
return Success;
}
static int
update_initial_workspace (MetaWindow *window)
{
gulong val = 0;
window->initial_workspace_set = FALSE;
/* Fall back to old WM spec hint if net_wm_desktop is missing, this
* is just to be nice when restarting from old Sawfish basically,
* should nuke it eventually
*/
if (get_cardinal (window->display,
window->xwindow,
window->display->atom_net_wm_desktop,
&val))
{
window->initial_workspace_set = TRUE;
window->initial_workspace = val;
}
else if (get_cardinal (window->display,
window->xwindow,
window->display->atom_win_workspace,
&val))
{
window->initial_workspace_set = TRUE;
window->initial_workspace = val;
}
return Success;
}
static int
update_icon_name (MetaWindow *window)
{
meta_error_trap_push (window->display);
if (window->icon_name)
{
g_free (window->icon_name);
window->icon_name = NULL;
}
window->icon_name = get_utf8_property (window->display, window->xwindow,
window->display->atom_net_wm_icon_name);
if (window->icon_name)
{
meta_verbose ("Using _NET_WM_ICON_NAME for new icon name of %s: '%s'\n",
window->desc, window->icon_name);
}
if (window->icon_name == NULL)
{
window->icon_name = get_text_property (window->display, window->xwindow,
XA_WM_ICON_NAME);
if (window->icon_name)
{
meta_verbose ("Using WM_ICON_NAME for new title of %s: '%s'\n",
window->desc, window->icon_name);
}
}
if (window->icon_name == NULL)
window->icon_name = g_strdup ("");
return meta_error_trap_pop (window->display);
}
static gboolean
find_best_size (gulong *data,
int nitems,
int ideal_width,
int ideal_height,
int *width,
int *height,
gulong **start)
{
int best_w;
int best_h;
gulong *best_start;
*width = 0;
*height = 0;
*start = NULL;
best_w = 0;
best_h = 0;
best_start = NULL;
while (nitems > 0)
{
int w, h;
gboolean replace;
meta_debug_spew ("n_items = %d\n", nitems);
replace = FALSE;
if (nitems < 3)
{
meta_verbose ("_NET_WM_ICON contained too little data\n");
return FALSE;
}
w = data[0];
h = data[1];
meta_debug_spew ("w = %d h = %d\n", w, h);
if (nitems < ((w * h) + 2))
{
meta_verbose ("_NET_WM_ICON contained too little data?\n");
break;
}
if (best_start == NULL)
{
replace = TRUE;
}
else
{
/* work with averages */
const int ideal_size = (ideal_width + ideal_height) / 2;
int best_size = (best_w + best_h) / 2;
int this_size = (w + h) / 2;
/* larger than desired is always better than smaller */
if (best_size < ideal_size &&
this_size >= ideal_size)
replace = TRUE;
/* if we have too small, pick anything bigger */
else if (best_size < ideal_size &&
this_size > best_size)
replace = TRUE;
/* if we have too large, pick anything smaller
* but still >= the ideal
*/
else if (best_size > ideal_size &&
this_size >= ideal_size &&
this_size < best_size)
replace = TRUE;
}
if (replace)
{
best_start = data + 2;
best_w = w;
best_h = h;
}
data += (w * h) + 2;
nitems -= (w * h) + 2;
}
if (best_start)
{
*start = best_start;
*width = best_w;
*height = best_h;
return TRUE;
}
else
return FALSE;
}
static void
argbdata_to_pixdata (gulong *argb_data, int len, guchar **pixdata)
{
guchar *p;
int i;
*pixdata = g_new (guchar, len * 4);
p = *pixdata;
/* One could speed this up a lot. */
i = 0;
while (i < len)
{
guint argb;
guint rgba;
argb = argb_data[i];
rgba = (argb << 8) | (argb >> 24);
*p = rgba >> 24;
++p;
*p = (rgba >> 16) & 0xff;
++p;
*p = (rgba >> 8) & 0xff;
++p;
*p = rgba & 0xff;
++p;
++i;
}
}
static gboolean
read_rgb_icon (MetaWindow *window,
int *width,
int *height,
guchar **pixdata,
int *mini_width,
int *mini_height,
guchar **mini_pixdata)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
int result;
gulong *data; /* FIXME should be guint? */
gulong *best;
int w, h;
gulong *best_mini;
int mini_w, mini_h;
if (sizeof (gulong) != 4)
meta_warning ("%s: Whoops, I think this function may be broken on 64-bit\n",
__FUNCTION__);
meta_error_trap_push (window->display);
type = None;
data = NULL;
XGetWindowProperty (window->display->xdisplay,
window->xwindow,
window->display->atom_net_wm_icon,
0, G_MAXLONG,
False, XA_CARDINAL, &type, &format, &nitems,
&bytes_after, ((guchar **)&data));
result = meta_error_trap_pop (window->display);
if (result != Success || type != XA_CARDINAL)
{
meta_verbose ("%s doesn't seem to set _NET_WM_ICON\n",
window->desc);
return FALSE;
}
if (!find_best_size (data, nitems, META_ICON_WIDTH, META_ICON_HEIGHT,
&w, &h, &best))
{
XFree (data);
return FALSE;
}
if (!find_best_size (data, nitems, META_MINI_ICON_WIDTH, META_MINI_ICON_HEIGHT,
&mini_w, &mini_h, &best_mini))
{
XFree (data);
return FALSE;
}
*width = w;
*height = h;
*mini_width = mini_w;
*mini_height = mini_h;
argbdata_to_pixdata (best, w * h, pixdata);
argbdata_to_pixdata (best_mini, mini_w * mini_h, mini_pixdata);
XFree (data);
return TRUE;
}
static void
clear_icon (MetaWindow *window)
{
if (window->icon)
{
g_object_unref (G_OBJECT (window->icon));
window->icon = NULL;
}
if (window->mini_icon)
{
g_object_unref (G_OBJECT (window->mini_icon));
window->mini_icon = NULL;
}
}
static void
free_pixels (guchar *pixels, gpointer data)
{
g_free (pixels);
}
static void
replace_icon (MetaWindow *window,
GdkPixbuf *unscaled,
GdkPixbuf *unscaled_mini)
{
clear_icon (window);
if (gdk_pixbuf_get_width (unscaled) != META_ICON_WIDTH ||
gdk_pixbuf_get_height (unscaled) != META_ICON_HEIGHT)
{
/* FIXME should keep aspect ratio, but for now assuming
* a square source icon
*/
window->icon = gdk_pixbuf_scale_simple (unscaled,
META_ICON_WIDTH,
META_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
}
else
{
g_object_ref (G_OBJECT (unscaled));
window->icon = unscaled;
}
if (gdk_pixbuf_get_width (unscaled_mini) != META_MINI_ICON_WIDTH ||
gdk_pixbuf_get_height (unscaled_mini) != META_MINI_ICON_HEIGHT)
{
/* FIXME should keep aspect ratio, but for now assuming
* a square source icon
*/
window->mini_icon = gdk_pixbuf_scale_simple (unscaled_mini,
META_MINI_ICON_WIDTH,
META_MINI_ICON_HEIGHT,
GDK_INTERP_BILINEAR);
}
else
{
g_object_ref (G_OBJECT (unscaled_mini));
window->mini_icon = unscaled_mini;
}
}
static void
get_pixmap_geometry (MetaDisplay *display,
Pixmap pixmap,
int *w,
int *h,
int *d)
{
Window root_ignored;
int x_ignored, y_ignored;
guint width, height;
guint border_width_ignored;
guint depth;
if (w)
*w = 1;
if (h)
*h = 1;
if (d)
*d = 1;
XGetGeometry (display->xdisplay,
pixmap, &root_ignored, &x_ignored, &y_ignored,
&width, &height, &border_width_ignored, &depth);
if (w)
*w = width;
if (h)
*h = height;
if (d)
*d = depth;
}
static GdkPixbuf*
apply_mask (GdkPixbuf *pixbuf,
GdkPixbuf *mask)
{
int w, h;
int i, j;
GdkPixbuf *with_alpha;
guchar *src;
guchar *dest;
int src_stride;
int dest_stride;
w = MIN (gdk_pixbuf_get_width (mask), gdk_pixbuf_get_width (pixbuf));
h = MIN (gdk_pixbuf_get_height (mask), gdk_pixbuf_get_height (pixbuf));
with_alpha = gdk_pixbuf_add_alpha (pixbuf, FALSE, 0, 0, 0);
dest = gdk_pixbuf_get_pixels (with_alpha);
src = gdk_pixbuf_get_pixels (mask);
dest_stride = gdk_pixbuf_get_rowstride (with_alpha);
src_stride = gdk_pixbuf_get_rowstride (mask);
i = 0;
while (i < h)
{
j = 0;
while (j < w)
{
guchar *s = src + i * src_stride + j * 3;
guchar *d = dest + i * dest_stride + j * 4;
/* s[0] == s[1] == s[2], they are 255 if the bit was set, 0
* otherwise
*/
if (s[0] == 0)
d[3] = 0; /* transparent */
else
d[3] = 255; /* opaque */
++j;
}
++i;
}
return with_alpha;
}
static gboolean
try_pixmap_and_mask (MetaWindow *window,
Pixmap src_pixmap,
Pixmap src_mask)
{
GdkPixbuf *unscaled = NULL;
GdkPixbuf *mask = NULL;
int w, h;
if (src_pixmap == None)
return FALSE;
meta_error_trap_push (window->display);
get_pixmap_geometry (window->display, src_pixmap,
&w, &h, NULL);
unscaled = meta_gdk_pixbuf_get_from_pixmap (NULL,
src_pixmap,
0, 0, 0, 0,
w, h);
if (unscaled && src_mask != None)
{
get_pixmap_geometry (window->display, src_mask,
&w, &h, NULL);
mask = meta_gdk_pixbuf_get_from_pixmap (NULL,
src_mask,
0, 0, 0, 0,
w, h);
}
meta_error_trap_pop (window->display);
if (mask)
{
GdkPixbuf *masked;
meta_verbose ("Applying mask to icon pixmap\n");
masked = apply_mask (unscaled, mask);
g_object_unref (G_OBJECT (unscaled));
unscaled = masked;
g_object_unref (G_OBJECT (mask));
mask = NULL;
}
if (unscaled)
{
replace_icon (window, unscaled, unscaled);
g_object_unref (G_OBJECT (unscaled));
return TRUE;
}
else
return FALSE;
}
static int
update_icon (MetaWindow *window,
gboolean reload_rgb_icon)
{
if (reload_rgb_icon)
{
guchar *pixdata;
int w, h;
guchar *mini_pixdata;
int mini_w, mini_h;
pixdata = NULL;
if (read_rgb_icon (window, &w, &h, &pixdata,
&mini_w, &mini_h, &mini_pixdata))
{
GdkPixbuf *unscaled;
GdkPixbuf *unscaled_mini;
meta_verbose ("successfully read RGBA icon from _NET_WM_ICON, using w = %d h = %d mini_w = %d mini_h = %d\n", w, h, mini_w, mini_h);
window->using_rgb_icon = TRUE;
unscaled = gdk_pixbuf_new_from_data (pixdata,
GDK_COLORSPACE_RGB,
TRUE,
8,
w, h, w * 4,
free_pixels,
NULL);
unscaled_mini = gdk_pixbuf_new_from_data (mini_pixdata,
GDK_COLORSPACE_RGB,
TRUE,
8,
mini_w, mini_h, mini_w * 4,
free_pixels,
NULL);
replace_icon (window, unscaled, unscaled_mini);
g_object_unref (G_OBJECT (unscaled));
g_object_unref (G_OBJECT (unscaled_mini));
return Success;
}
else
{
if (window->using_rgb_icon)
clear_icon (window);
window->using_rgb_icon = FALSE;
/* We'll try to fall back to something else below. */
}
}
else if (window->using_rgb_icon)
{
/* There's no way we want to use the fallbacks,
* keep using this.
*/
return Success;
}
/* Fallback to pixmap + mask */
if (try_pixmap_and_mask (window,
window->icon_pixmap,
window->icon_mask))
{
meta_verbose ("Using WM_NORMAL_HINTS icon for %s\n", window->desc);
return Success;
}
else
{
meta_verbose ("No WM_NORMAL_HINTS icon, or failed to retrieve it\n");
}
if (try_pixmap_and_mask (window,
window->kwm_pixmap,
window->kwm_mask))
{
meta_verbose ("Using KWM_WIN_ICON for %s\n", window->desc);
return Success;
}
else
{
meta_verbose ("No KWM_WIN_ICON, or failed to retrieve it\n");
}
/* Fallback to a default icon */
if (window->icon == NULL)
window->icon = meta_ui_get_default_window_icon (window->screen->ui);
if (window->mini_icon == NULL)
window->mini_icon = meta_ui_get_default_mini_icon (window->screen->ui);
g_assert (window->icon);
g_assert (window->mini_icon);
return Success;
}
static int
update_kwm_icon (MetaWindow *window)
{
Atom type;
int format;
gulong nitems;
gulong bytes_after;
Pixmap *icons;
int result;
window->kwm_pixmap = None;
window->kwm_mask = None;
meta_error_trap_push (window->display);
icons = NULL;
XGetWindowProperty (window->display->xdisplay, window->xwindow,
window->display->atom_kwm_win_icon,
0, G_MAXLONG,
False, window->display->atom_kwm_win_icon,
&type, &format, &nitems,
&bytes_after, (guchar **)&icons);
result = meta_error_trap_pop (window->display);
if (result != Success)
return result;
if (type != window->display->atom_kwm_win_icon)
return -1; /* FIXME mem leak? */
window->kwm_pixmap = icons[0];
window->kwm_mask = icons[1];
meta_verbose ("Found KWM_WIN_ICON 0x%lx\n", window->kwm_pixmap);
XFree (icons);
return Success;
}
static void
recalc_window_type (MetaWindow *window)
{
int old_type;
old_type = window->type;
if (window->type_atom != None)
{
if (window->type_atom == window->display->atom_net_wm_window_type_desktop)
window->type = META_WINDOW_DESKTOP;
else if (window->type_atom == window->display->atom_net_wm_window_type_dock)
window->type = META_WINDOW_DOCK;
else if (window->type_atom == window->display->atom_net_wm_window_type_toolbar)
window->type = META_WINDOW_TOOLBAR;
else if (window->type_atom == window->display->atom_net_wm_window_type_menu)
window->type = META_WINDOW_MENU;
else if (window->type_atom == window->display->atom_net_wm_window_type_dialog)
window->type = META_WINDOW_DIALOG;
else if (window->type_atom == window->display->atom_net_wm_window_type_normal)
window->type = META_WINDOW_NORMAL;
}
else if (window->xtransient_for != None)
{
window->type = META_WINDOW_DIALOG;
}
else
{
window->type = META_WINDOW_NORMAL;
}
if (window->type == META_WINDOW_DIALOG &&
window->wm_state_modal)
window->type = META_WINDOW_MODAL_DIALOG;
meta_verbose ("Calculated type %d for %s, old type %d\n",
window->type, window->desc, old_type);
if (old_type != window->type)
{
recalc_window_features (window);
set_net_wm_state (window);
/* Update frame */
if (window->decorated)
meta_window_ensure_frame (window);
else
meta_window_destroy_frame (window);
/* update stacking constraints */
meta_stack_update_layer (window->screen->stack, window);
}
}
static void
recalc_window_features (MetaWindow *window)
{
/* Use MWM hints initially */
window->decorated = window->mwm_decorated;
window->has_close_func = window->mwm_has_close_func;
window->has_minimize_func = window->mwm_has_minimize_func;
window->has_maximize_func = window->mwm_has_maximize_func;
window->has_move_func = window->mwm_has_move_func;
window->has_resize_func = window->mwm_has_resize_func;
window->has_shade_func = TRUE;
/* Semantic category overrides the MWM hints */
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
window->decorated = FALSE;
window->has_close_func = FALSE;
window->has_shade_func = FALSE;
window->has_move_func = FALSE;
window->has_resize_func = FALSE;
}
if (window->type != META_WINDOW_NORMAL)
{
window->has_minimize_func = FALSE;
window->has_maximize_func = FALSE;
}
/* If min_size == max_size, then don't allow resize */
if (window->size_hints.min_width == window->size_hints.max_width &&
window->size_hints.min_height == window->size_hints.max_height)
window->has_resize_func = FALSE;
/* don't allow maximize if we can't resize */
if (!window->has_resize_func)
window->has_maximize_func = FALSE;
/* no shading if not decorated */
if (!window->decorated)
window->has_shade_func = FALSE;
/* FIXME perhaps should ensure if we don't have a shade func,
* we aren't shaded, etc.
*/
}
static void
constrain_size (MetaWindow *window,
MetaFrameGeometry *fgeom,
int width, int height,
int *new_width, int *new_height)
{
/* This is partially borrowed from GTK (LGPL), which in turn
* partially borrowed from fvwm,
*
* Copyright 1993, Robert Nation
* You may use this code for any purpose, as long as the original
* copyright remains in the source code and all documentation
*
* which in turn borrows parts of the algorithm from uwm
*/
int delta;
double min_aspect, max_aspect;
int minw, minh, maxw, maxh, fullw, fullh;
/* frame member variables should NEVER be used in here */
#define FLOOR(value, base) ( ((int) ((value) / (base))) * (base) )
/* Get the allowed size ranges, considering maximized, etc. */
if (window->type == META_WINDOW_DESKTOP ||
window->type == META_WINDOW_DOCK)
{
fullw = window->screen->width;
fullh = window->screen->height;
}
else
{
fullw = window->screen->active_workspace->workarea.width;
fullh = window->screen->active_workspace->workarea.height;
}
if (window->frame)
{
fullw -= (fgeom->left_width + fgeom->right_width);
fullh -= (fgeom->top_height + fgeom->bottom_height);
}
maxw = window->size_hints.max_width;
maxh = window->size_hints.max_height;
if (window->maximized)
{
maxw = MIN (maxw, fullw);
maxh = MIN (maxh, fullh);
}
minw = window->size_hints.min_width;
minh = window->size_hints.min_height;
/* Check that fullscreen doesn't go under app-specified min size, if
* so snap back to min size
*/
if (maxw < minw)
maxw = minw;
if (maxh < minh)
maxh = minh;
if (window->maximized)
{
minw = MAX (minw, fullw);
minh = MAX (minh, fullh);
}
/* Check that fullscreen doesn't exceed max width hint,
* if so then snap back to max width hint
*/
if (minw > maxw)
minw = maxw;
if (minh > maxh)
minh = maxh;
/* clamp width and height to min and max values
*/
width = CLAMP (width, minw, maxw);
height = CLAMP (height, minh, maxh);
/* shrink to base + N * inc
*/
width = window->size_hints.base_width +
FLOOR (width - window->size_hints.base_width, window->size_hints.width_inc);
height = window->size_hints.base_height +
FLOOR (height - window->size_hints.base_height, window->size_hints.height_inc);
/* constrain aspect ratio, according to:
*
* width
* min_aspect <= -------- <= max_aspect
* height
*/
min_aspect = window->size_hints.min_aspect.x / (double) window->size_hints.min_aspect.y;
max_aspect = window->size_hints.max_aspect.x / (double) window->size_hints.max_aspect.y;
if (min_aspect * height > width)
{
delta = FLOOR (height - width * min_aspect, window->size_hints.height_inc);
if (height - delta >= window->size_hints.min_height)
height -= delta;
else
{
delta = FLOOR (height * min_aspect - width, window->size_hints.width_inc);
if (width + delta <= window->size_hints.max_width)
width += delta;
}
}
if (max_aspect * height < width)
{
delta = FLOOR (width - height * max_aspect, window->size_hints.width_inc);
if (width - delta >= window->size_hints.min_width)
width -= delta;
else
{
delta = FLOOR (width / max_aspect - height, window->size_hints.height_inc);
if (height + delta <= window->size_hints.max_height)
height += delta;
}
}
#undef FLOOR
*new_width = width;
*new_height = height;
}
static void
constrain_position (MetaWindow *window,
MetaFrameGeometry *fgeom,
int x,
int y,
int *new_x,
int *new_y)
{
/* frame member variables should NEVER be used in here, only
* MetaFrameGeometry
*/
if (!window->placed && window->calc_placement)
meta_window_place (window, fgeom, x, y, &x, &y);
#if 0
if (window->fullscreen)
{
x = 0;
y = 0;
}
#endif
if (window->type != META_WINDOW_DESKTOP &&
window->type != META_WINDOW_DOCK)
{
int nw_x, nw_y;
int se_x, se_y;
int offscreen_w, offscreen_h;
/* find furthest northwest point the window can occupy,
* to disallow moving titlebar off the top or left
*/
nw_x = window->screen->active_workspace->workarea.x;
nw_y = window->screen->active_workspace->workarea.y;
if (window->frame)
{
nw_x += fgeom->left_width;
nw_y += fgeom->top_height;
}
/* find bottom-right corner of workarea */
se_x = window->screen->active_workspace->workarea.x +
window->screen->active_workspace->workarea.width;
se_y = window->screen->active_workspace->workarea.y +
window->screen->active_workspace->workarea.height;
/* if the window's size exceeds the screen size,
* we allow it to go off the top/left far enough
* to get the right/bottom edges onscreen.
*/
offscreen_w = nw_x + window->rect.width;
offscreen_h = nw_y + window->rect.height;
if (window->frame)
{
offscreen_w += fgeom->right_width;
offscreen_h += fgeom->bottom_height;
}
offscreen_w = offscreen_w - se_x;
offscreen_h = offscreen_h - se_y;
/* Now change NW limit to reflect amount offscreen in SE direction */
if (offscreen_w > 0)
nw_x -= offscreen_w;
if (offscreen_h > 0)
nw_y -= offscreen_h;
/* Convert se_x, se_y to the most bottom-right position
* the window can occupy - don't allow offscreen
*/
se_x -= window->rect.width;
se_y -= window->rect.height;
if (window->frame)
{
se_x -= fgeom->right_width;
se_y -= fgeom->bottom_height;
}
/* If the window is larger than screen, allow it to move, as for
* nw_x nw_y
*/
if (offscreen_w > 0)
se_x += offscreen_w;
if (offscreen_h > 0)
se_y += offscreen_h;
#if 0
/* this is the old allow-offscreen-to-se constraint */
if (window->frame)
{
#define TITLEBAR_LENGTH_ONSCREEN 10
se_x -= (fgeom->left_width + TITLEBAR_LENGTH_ONSCREEN);
se_y -= fgeom->top_height;
}
#endif
/* If we have a micro-screen or huge frames maybe nw/se got
* swapped
*/
if (nw_x > se_x)
{
int tmp = nw_x;
nw_x = se_x;
se_x = tmp;
}
if (nw_y > se_y)
{
int tmp = nw_y;
nw_y = se_y;
se_y = tmp;
}
/* Clamp window to the given positions */
if (x < nw_x)
x = nw_x;
if (y < nw_y)
y = nw_y;
if (x > se_x)
x = se_x;
if (y > se_y)
y = se_y;
/* If maximized, force the exact position */
if (window->maximized)
{
if (x != nw_x)
x = nw_x;
if (y != nw_y)
y = nw_y;
}
}
*new_x = x;
*new_y = y;
}
static void
menu_callback (MetaWindowMenu *menu,
Display *xdisplay,
Window client_xwindow,
MetaMenuOp op,
int workspace_index,
gpointer data)
{
MetaDisplay *display;
MetaWindow *window;
display = meta_display_for_x_display (xdisplay);
window = meta_display_lookup_x_window (display, client_xwindow);
if (window != NULL) /* window can be NULL */
{
meta_verbose ("Menu op %d on %s\n", op, window->desc);
/* op can be 0 for none */
switch (op)
{
case META_MENU_OP_DELETE:
meta_window_delete (window, CurrentTime);
break;
case META_MENU_OP_MINIMIZE:
meta_window_minimize (window);
break;
case META_MENU_OP_UNMAXIMIZE:
meta_window_unmaximize (window);
break;
case META_MENU_OP_MAXIMIZE:
meta_window_maximize (window);
break;
case META_MENU_OP_UNSHADE:
meta_window_unshade (window);
break;
case META_MENU_OP_SHADE:
meta_window_shade (window);
break;
case META_MENU_OP_WORKSPACES:
{
MetaWorkspace *workspace;
workspace =
meta_display_get_workspace_by_screen_index (window->display,
window->screen,
workspace_index);
if (workspace)
meta_window_change_workspace (window,
workspace);
else
meta_warning ("Workspace %d doesn't exist\n", workspace_index);
}
break;
case META_MENU_OP_STICK:
meta_window_stick (window);
break;
case META_MENU_OP_UNSTICK:
meta_window_unstick (window);
break;
case META_MENU_OP_MOVE:
meta_window_raise (window);
meta_display_begin_grab_op (window->display,
window,
META_GRAB_OP_KEYBOARD_MOVING,
FALSE, 0, 0,
CurrentTime,
0, 0);
break;
case META_MENU_OP_RESIZE:
break;
case 0:
/* nothing */
break;
default:
meta_warning (G_STRLOC": Unknown window op\n");
break;
}
}
else
{
meta_verbose ("Menu callback on nonexistent window\n");
}
meta_ui_window_menu_free (menu);
}
void
meta_window_show_menu (MetaWindow *window,
int root_x,
int root_y,
int button,
Time timestamp)
{
MetaMenuOp ops;
MetaMenuOp insensitive;
MetaWindowMenu *menu;
ops = 0;
insensitive = 0;
ops |= (META_MENU_OP_DELETE | META_MENU_OP_WORKSPACES | META_MENU_OP_MINIMIZE | META_MENU_OP_MOVE | META_MENU_OP_RESIZE);
if (window->maximized)
ops |= META_MENU_OP_UNMAXIMIZE;
else
ops |= META_MENU_OP_MAXIMIZE;
if (window->shaded)
ops |= META_MENU_OP_UNSHADE;
else
ops |= META_MENU_OP_SHADE;
if (window->on_all_workspaces)
ops |= META_MENU_OP_UNSTICK;
else
ops |= META_MENU_OP_STICK;
if (!window->has_maximize_func)
insensitive |= META_MENU_OP_UNMAXIMIZE | META_MENU_OP_MAXIMIZE;
if (!window->has_minimize_func)
insensitive |= META_MENU_OP_MINIMIZE;
if (!window->has_close_func)
insensitive |= META_MENU_OP_DELETE;
if (!window->has_shade_func)
insensitive |= META_MENU_OP_SHADE | META_MENU_OP_UNSHADE;
if (!window->has_move_func)
insensitive |= META_MENU_OP_MOVE;
if (!window->has_resize_func)
insensitive |= META_MENU_OP_RESIZE;
menu =
meta_ui_window_menu_new (window->screen->ui,
window->xwindow,
ops,
insensitive,
meta_window_get_net_wm_desktop (window),
meta_screen_get_n_workspaces (window->screen),
menu_callback,
NULL);
meta_verbose ("Popping up window menu for %s\n", window->desc);
meta_ui_window_menu_popup (menu, root_x, root_y, button, timestamp);
}
static void
window_query_root_pointer (MetaWindow *window,
int *x, int *y)
{
Window root_return, child_return;
int root_x_return, root_y_return;
int win_x_return, win_y_return;
unsigned int mask_return;
XQueryPointer (window->display->xdisplay,
window->xwindow,
&root_return,
&child_return,
&root_x_return,
&root_y_return,
&win_x_return,
&win_y_return,
&mask_return);
if (x)
*x = root_x_return;
if (y)
*y = root_y_return;
}
static void
update_move (MetaWindow *window,
unsigned int mask,
int x,
int y)
{
int dx, dy;
int new_x, new_y;
dx = x - window->display->grab_root_x;
dy = y - window->display->grab_root_y;
new_x = window->display->grab_initial_window_pos.x + dx;
new_y = window->display->grab_initial_window_pos.y + dy;
if (mask & ShiftMask)
{
/* snap to edges */
new_x = meta_window_find_nearest_vertical_edge (window, new_x);
new_y = meta_window_find_nearest_horizontal_edge (window, new_y);
}
meta_window_move (window, TRUE, new_x, new_y);
}
static void
update_resize (MetaWindow *window,
int x, int y)
{
int dx, dy;
int new_w, new_h;
int gravity;
dx = x - window->display->grab_root_x;
dy = y - window->display->grab_root_y;
new_w = window->display->grab_initial_window_pos.width;
new_h = window->display->grab_initial_window_pos.height;
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_E:
new_w += dx;
break;
case META_GRAB_OP_RESIZING_NW:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_W:
new_w -= dx;
break;
default:
break;
}
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_SW:
new_h += dy;
break;
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
new_h -= dy;
break;
default:
break;
}
/* compute gravity of client during operation */
gravity = -1;
switch (window->display->grab_op)
{
case META_GRAB_OP_RESIZING_SE:
gravity = NorthWestGravity;
break;
case META_GRAB_OP_RESIZING_S:
gravity = NorthGravity;
break;
case META_GRAB_OP_RESIZING_SW:
gravity = NorthEastGravity;
break;
case META_GRAB_OP_RESIZING_N:
gravity = SouthGravity;
break;
case META_GRAB_OP_RESIZING_NE:
gravity = SouthWestGravity;
break;
case META_GRAB_OP_RESIZING_NW:
gravity = SouthEastGravity;
break;
case META_GRAB_OP_RESIZING_E:
gravity = WestGravity;
break;
case META_GRAB_OP_RESIZING_W:
gravity = EastGravity;
break;
default:
g_assert_not_reached ();
break;
}
meta_window_resize_with_gravity (window, TRUE, new_w, new_h, gravity);
}
void
meta_window_handle_mouse_grab_op_event (MetaWindow *window,
XEvent *event)
{
switch (event->type)
{
case ButtonRelease:
meta_display_end_grab_op (window->display, event->xbutton.time);
switch (window->display->grab_op)
{
case META_GRAB_OP_MOVING:
update_move (window, event->xbutton.state,
event->xbutton.x_root, event->xbutton.y_root);
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
update_resize (window, event->xbutton.x_root, event->xbutton.y_root);
break;
default:
break;
}
break;
case MotionNotify:
switch (window->display->grab_op)
{
case META_GRAB_OP_MOVING:
{
int x, y;
window_query_root_pointer (window, &x, &y);
update_move (window,
event->xbutton.state,
x, y);
}
break;
case META_GRAB_OP_RESIZING_E:
case META_GRAB_OP_RESIZING_W:
case META_GRAB_OP_RESIZING_S:
case META_GRAB_OP_RESIZING_N:
case META_GRAB_OP_RESIZING_SE:
case META_GRAB_OP_RESIZING_SW:
case META_GRAB_OP_RESIZING_NE:
case META_GRAB_OP_RESIZING_NW:
{
int x, y;
window_query_root_pointer (window, &x, &y);
update_resize (window, x, y);
}
break;
default:
break;
}
break;
default:
break;
}
}
gboolean
meta_window_shares_some_workspace (MetaWindow *window,
MetaWindow *with)
{
GList *tmp;
if (window->on_all_workspaces ||
with->on_all_workspaces)
return TRUE;
tmp = window->workspaces;
while (tmp != NULL)
{
if (g_list_find (with->workspaces, tmp->data) != NULL)
return TRUE;
tmp = tmp->next;
}
return FALSE;
}
void
meta_window_set_gravity (MetaWindow *window,
int gravity)
{
XSetWindowAttributes attrs;
meta_verbose ("Setting gravity of %s to %d\n", window->desc, gravity);
attrs.win_gravity = gravity;
meta_error_trap_push (window->display);
XChangeWindowAttributes (window->display->xdisplay,
window->xwindow,
CWWinGravity,
&attrs);
meta_error_trap_pop (window->display);
}
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