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Add a GrabBroken event to GDK, and a grab-broken-event signal to

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2005-06-25  Matthias Clasen  <mclasen@redhat.com>

	Add a GrabBroken event to GDK, and a grab-broken-event
	signal to GtkWidget.  (#107320, Simon Cooke, initial patch
	by John Ehresman)

	* gdk/gdkevents.h: Add a GDK_GRAB_BROKEN event type,
	define a GdkEventGrabBroken event struct.

	* gdk/win32/gdkevents-win32.c (gdk_event_translate):
	Generate GrabBroken events in response to WM_KILLFOCUS.

	* gdk/x11/gdkmain-x11.c: Generate GrabBroken events
	when a grab is broken by the window becoming unviewable,
	or by another grab from the same client.

	* gtk/gtkwidget.h (GtkWidgetClass): Add grab_broken_event.

	* gtk/gtkwidget.c (gtk_widget_event_internal): Translate
	GrabBroken events into grab_broken_event signals.

	* gtk/gtkmain.c (gtk_main_do_event): Propagate GrabBroken
	events.

	* gtk/gtkmenushell.c (gtk_menu_shell_grab_broken): Deactivate
	the menu when the grab is broken.

	* gtk/gtkcolorsel.c (gtk_color_selection_grab_broken): Stop
	the color picker if the grab is broken.

	* gtk/gtkpaned.c (gtk_paned_grab_broken): Stop the drag if
	the grab is broken.
This commit is contained in:
Matthias Clasen
2005-06-25 07:10:40 +00:00
committed by Matthias Clasen
parent effe3785cf
commit 9b356ea0d8
16 changed files with 319 additions and 27 deletions
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47
gdk/x11/gdkmain-x11.c
View File

@ -137,6 +137,20 @@ gdk_x11_convert_grab_status (gint status)
return 0;
}
static void
generate_grab_broken_event (GdkWindow *window,
gboolean keyboard)
{
GdkEvent event;
event.type = GDK_GRAB_BROKEN;
event.grab_broken.window = window;
event.grab_broken.send_event = 0;
event.grab_broken.keyboard = keyboard;
gdk_event_put (&event);
}
/*
*--------------------------------------------------------------
* gdk_pointer_grab
@ -237,6 +251,10 @@ gdk_pointer_grab (GdkWindow * window,
if (return_val == GrabSuccess)
{
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (window));
if (display_x11->pointer_xgrab_window != NULL)
generate_grab_broken_event (GDK_WINDOW (display_x11->pointer_xgrab_window),
FALSE);
display_x11->pointer_xgrab_window = (GdkWindowObject *)window;
display_x11->pointer_xgrab_serial = serial;
display_x11->pointer_xgrab_owner_events = owner_events;
@ -334,6 +352,11 @@ gdk_keyboard_grab (GdkWindow * window,
if (return_val == GrabSuccess)
{
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (gdk_drawable_get_display (window));
if (display_x11->keyboard_xgrab_window != NULL)
generate_grab_broken_event (GDK_WINDOW (display_x11->keyboard_xgrab_window),
TRUE);
display_x11->keyboard_xgrab_window = (GdkWindowObject *)window;
display_x11->keyboard_xgrab_serial = serial;
display_x11->keyboard_xgrab_owner_events = owner_events;
@ -405,7 +428,11 @@ _gdk_xgrab_check_unmap (GdkWindow *window,
tmp = tmp->parent;
if (tmp)
display_x11->pointer_xgrab_window = NULL;
{
generate_grab_broken_event (GDK_WINDOW (display_x11->pointer_xgrab_window),
FALSE);
display_x11->pointer_xgrab_window = NULL;
}
}
if (display_x11->keyboard_xgrab_window &&
@ -419,7 +446,11 @@ _gdk_xgrab_check_unmap (GdkWindow *window,
tmp = tmp->parent;
if (tmp)
display_x11->keyboard_xgrab_window = NULL;
{
generate_grab_broken_event (GDK_WINDOW (display_x11->keyboard_xgrab_window),
TRUE);
display_x11->keyboard_xgrab_window = NULL;
}
}
}
@ -436,10 +467,18 @@ _gdk_xgrab_check_destroy (GdkWindow *window)
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (gdk_drawable_get_display (window));
if ((GdkWindowObject *)window == display_x11->pointer_xgrab_window)
display_x11->pointer_xgrab_window = NULL;
{
generate_grab_broken_event (GDK_WINDOW (display_x11->pointer_xgrab_window),
FALSE);
display_x11->pointer_xgrab_window = NULL;
}
if ((GdkWindowObject *)window == display_x11->keyboard_xgrab_window)
display_x11->keyboard_xgrab_window = NULL;
{
generate_grab_broken_event (GDK_WINDOW (display_x11->keyboard_xgrab_window),
TRUE);
display_x11->keyboard_xgrab_window = NULL;
}
}
void