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Kill meta_ui_add_event_func / remove_event_func
The reason we don't simply use gdk_window_add_filter directly is because of some twisted idea that any GDK symbol being used from core/ is a layer violation. While we certainly want to keep any serious GDK code out of ui/, event handling is quite important to have in core/, so simply use a GDK event filter directly.
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@ -2124,13 +2124,17 @@ meta_display_handle_event (MetaDisplay *display,
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return bypass_clutter;
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}
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static gboolean
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xevent_callback (XEvent *event,
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gpointer data)
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static GdkFilterReturn
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xevent_filter (GdkXEvent *xevent,
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GdkEvent *event,
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gpointer data)
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{
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MetaDisplay *display = data;
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return meta_display_handle_xevent (display, event);
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if (meta_display_handle_xevent (display, xevent))
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return GDK_FILTER_REMOVE;
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else
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return GDK_FILTER_CONTINUE;
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}
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static gboolean
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@ -2145,9 +2149,7 @@ event_callback (const ClutterEvent *event,
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void
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meta_display_init_events (MetaDisplay *display)
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{
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meta_ui_add_event_func (display->xdisplay,
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xevent_callback,
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display);
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gdk_window_add_filter (NULL, xevent_filter, display);
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display->clutter_event_filter = clutter_event_add_filter (NULL,
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event_callback,
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NULL,
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@ -2157,9 +2159,7 @@ meta_display_init_events (MetaDisplay *display)
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void
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meta_display_free_events (MetaDisplay *display)
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{
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meta_ui_remove_event_func (display->xdisplay,
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xevent_callback,
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display);
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gdk_window_remove_filter (NULL, xevent_filter, display);
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clutter_event_remove_filter (display->clutter_event_filter);
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display->clutter_event_filter = 0;
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}
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55
src/ui/ui.c
55
src/ui/ui.c
@ -228,58 +228,17 @@ maybe_redirect_mouse_event (XEvent *xevent)
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return TRUE;
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}
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typedef struct _EventFunc EventFunc;
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struct _EventFunc
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{
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MetaEventFunc func;
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gpointer data;
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};
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static EventFunc *ef = NULL;
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static GdkFilterReturn
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filter_func (GdkXEvent *xevent,
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GdkEvent *event,
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gpointer data)
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ui_filter_func (GdkXEvent *xevent,
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GdkEvent *event,
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gpointer data)
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{
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g_return_val_if_fail (ef != NULL, GDK_FILTER_CONTINUE);
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if ((* ef->func) (xevent, ef->data) ||
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maybe_redirect_mouse_event (xevent))
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if (maybe_redirect_mouse_event (xevent))
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return GDK_FILTER_REMOVE;
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else
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return GDK_FILTER_CONTINUE;
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}
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void
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meta_ui_add_event_func (Display *xdisplay,
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MetaEventFunc func,
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gpointer data)
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{
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g_return_if_fail (ef == NULL);
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ef = g_new (EventFunc, 1);
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ef->func = func;
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ef->data = data;
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gdk_window_add_filter (NULL, filter_func, ef);
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}
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/* removal is by data due to proxy function */
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void
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meta_ui_remove_event_func (Display *xdisplay,
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MetaEventFunc func,
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gpointer data)
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{
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g_return_if_fail (ef != NULL);
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gdk_window_remove_filter (NULL, filter_func, ef);
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g_free (ef);
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ef = NULL;
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}
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MetaUI*
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meta_ui_new (Display *xdisplay,
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Screen *screen)
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@ -294,6 +253,8 @@ meta_ui_new (Display *xdisplay,
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gdisplay = gdk_x11_lookup_xdisplay (xdisplay);
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g_assert (gdisplay == gdk_display_get_default ());
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gdk_window_add_filter (NULL, ui_filter_func, NULL);
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ui->frames = meta_frames_new (XScreenNumberOfScreen (screen));
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/* GTK+ needs the frame-sync protocol to work in order to properly
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* handle style changes. This means that the dummy widget we create
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@ -303,6 +264,8 @@ meta_ui_new (Display *xdisplay,
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*/
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gtk_widget_show (GTK_WIDGET (ui->frames));
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gdk_window_add_filter (NULL, ui_filter_func, NULL);
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g_object_set_data (G_OBJECT (gdisplay), "meta-ui", ui);
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return ui;
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@ -318,6 +281,8 @@ meta_ui_free (MetaUI *ui)
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gdisplay = gdk_x11_lookup_xdisplay (ui->xdisplay);
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g_object_set_data (G_OBJECT (gdisplay), "meta-ui", NULL);
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gdk_window_remove_filter (NULL, ui_filter_func, NULL);
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g_free (ui);
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}
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@ -46,13 +46,6 @@ Display* meta_ui_get_display (void);
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gint meta_ui_get_screen_number (void);
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void meta_ui_add_event_func (Display *xdisplay,
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MetaEventFunc func,
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gpointer data);
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void meta_ui_remove_event_func (Display *xdisplay,
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MetaEventFunc func,
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gpointer data);
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MetaUI* meta_ui_new (Display *xdisplay,
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Screen *screen);
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void meta_ui_free (MetaUI *ui);
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