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Restore original stacking when aborting an alt-esc window switch

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2005-01-23  Elijah Newren  <newren@gmail.com>

	Restore original stacking when aborting an alt-esc window switch
	operation.  Fixes #123576.

	* src/display.c: (GRAB_OP_IS_WINDOW_SWITCH): new macro,
	(meta_display_close): clear grab_old_window_stacking if non-NULL,
	(event_callback): restore stack positions if alt-esc op cancelled
	with button press, (meta_display_begin_grab_op): store the old
	stacking positions, (meta_display_end_grab_op): free the old stack
	positions

	* src/display.h: (struct _MetaDisplay): add a
	grab_old_window_stacking list

	* src/keybindings.c: (process_tab_grab): restore stack positions
	if alt-esc op cancelled with an errant key press

	* src/stack.c: (compare_just_window_stack_position): new
	GCompareFunc function, (meta_stack_get_positions): get current
	stack positions, (compare_pointers): new GCompareFunc function,
	(lists_contain_same_windows): simple utility func to see if two
	lists contains the same windows, (meta_stack_set_positions): new
	function to set the positions of all the windows in the stack

	* src/stack.h: (meta_stack_get_postions,
	meta_stack_set_positions): new functions
This commit is contained in:
Elijah Newren
2005-01-24 05:58:30 +00:00
committed by Elijah Newren
parent 814cc4b698
commit 2d0d5e8cac
6 changed files with 181 additions and 4 deletions
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43
src/display.c
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@@ -63,6 +63,12 @@
#define USE_GDK_DISPLAY
#define GRAB_OP_IS_WINDOW_SWITCH(g) \
(g == META_GRAB_OP_KEYBOARD_TABBING_NORMAL || \
g == META_GRAB_OP_KEYBOARD_TABBING_DOCK || \
g == META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL || \
g == META_GRAB_OP_KEYBOARD_ESCAPING_DOCK)
typedef struct
{
MetaDisplay *display;
@@ -790,6 +796,9 @@ meta_display_close (MetaDisplay *display)
meta_prefs_remove_listener (prefs_changed_callback, display);
meta_display_remove_autoraise_callback (display);
if (display->grab_old_window_stacking)
g_list_free (display->grab_old_window_stacking);
#ifdef USE_GDK_DISPLAY
/* Stop caring about events */
@@ -1574,6 +1583,16 @@ event_callback (XEvent *event,
(display->grab_window ?
display->grab_window->desc :
"none"));
if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op))
{
MetaScreen *screen;
meta_topic (META_DEBUG_WINDOW_OPS,
"Syncing to old stack positions.\n");
screen =
meta_display_screen_for_root (display, event->xany.window);
meta_stack_set_positions (screen->stack,
display->grab_old_window_stacking);
}
meta_display_end_grab_op (display,
event->xbutton.time);
}
@@ -3289,6 +3308,16 @@ meta_display_begin_grab_op (MetaDisplay *display,
g_assert (display->grab_window != NULL || display->grab_screen != NULL);
g_assert (display->grab_op != META_GRAB_OP_NONE);
/* Save the old stacking */
if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op))
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Saving old stack positions; old pointer was %p.\n",
display->grab_old_window_stacking);
display->grab_old_window_stacking =
meta_stack_get_positions (screen->stack);
}
/* Do this last, after everything is set up. */
switch (op)
{
@@ -3340,10 +3369,7 @@ meta_display_end_grab_op (MetaDisplay *display,
if (display->grab_window != NULL)
display->grab_window->shaken_loose = FALSE;
if (display->grab_op == META_GRAB_OP_KEYBOARD_TABBING_NORMAL ||
display->grab_op == META_GRAB_OP_KEYBOARD_TABBING_DOCK ||
display->grab_op == META_GRAB_OP_KEYBOARD_ESCAPING_NORMAL ||
display->grab_op == META_GRAB_OP_KEYBOARD_ESCAPING_DOCK ||
if (GRAB_OP_IS_WINDOW_SWITCH (display->grab_op) ||
display->grab_op == META_GRAB_OP_KEYBOARD_WORKSPACE_SWITCHING)
{
meta_ui_tab_popup_free (display->grab_screen->tab_popup);
@@ -3355,6 +3381,15 @@ meta_display_end_grab_op (MetaDisplay *display,
display->ungrab_should_not_cause_focus_window = display->grab_xwindow;
}
if (display->grab_old_window_stacking != NULL)
{
meta_topic (META_DEBUG_WINDOW_OPS,
"Clearing out the old stack position, which was %p.\n",
display->grab_old_window_stacking);
g_list_free (display->grab_old_window_stacking);
display->grab_old_window_stacking = NULL;
}
if (display->grab_wireframe_active)
{
display->grab_wireframe_active = FALSE;