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

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.

1 files changed, 11 insertions, 1 deletions

diff --git a/gdk/gdkevents.h b/gdk/gdkevents.h
index 32873091d..797bee746 100644
--- a/gdk/gdkevents.h
+++ b/gdk/gdkevents.h
@@ -33,6 +33,7 @@ typedef struct _GdkEventClient	    GdkEventClient;
 typedef struct _GdkEventDND         GdkEventDND;
 typedef struct _GdkEventWindowState GdkEventWindowState;
 typedef struct _GdkEventSetting     GdkEventSetting;
+typedef struct _GdkEventGrabBroken  GdkEventGrabBroken;
 
 typedef union  _GdkEvent	    GdkEvent;
 
@@ -118,7 +119,8 @@ typedef enum
   GDK_SCROLL            = 31,
   GDK_WINDOW_STATE      = 32,
   GDK_SETTING           = 33,
-  GDK_OWNER_CHANGE      = 34
+  GDK_OWNER_CHANGE      = 34,
+  GDK_GRAB_BROKEN       = 35
 } GdkEventType;
 
 /* Event masks. (Used to select what types of events a window
@@ -429,6 +431,13 @@ struct _GdkEventWindowState
   GdkWindowState new_window_state;
 };
 
+struct _GdkEventGrabBroken {
+  GdkEventType type;
+  GdkWindow *window;
+  gint8 send_event;
+  gboolean keyboard;
+};
+
 /* Event types for DND */
 
 struct _GdkEventDND {
@@ -463,6 +472,7 @@ union _GdkEvent
   GdkEventDND               dnd;
   GdkEventWindowState       window_state;
   GdkEventSetting           setting;
+  GdkEventGrabBroken        grab_broken;
 };
 
 GType     gdk_event_get_type            (void) G_GNUC_CONST;