+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
+Wed Oct 2 17:36:42 2002 Owen Taylor <otaylor@redhat.com>
+
+ * gdk/gdkevents.[ch] gdk/x11/gdkevents-x11.c: Add
+ gdk_screen_set_screen()/_get_screen() which (by evil
+ hacks) work for for heap allocated events and
+ fall back gracefully for stack allocated events.
+
Wed Oct 2 08:47:31 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtksettings.[ch]: Privately export:
}
static GMemChunk *event_chunk = NULL;
+static GHashTable *event_hash = NULL;
GdkEvent*
_gdk_event_new (void)
GdkEventPrivate *new_event;
if (event_chunk == NULL)
- event_chunk = g_mem_chunk_new ("events",
- sizeof (GdkEventPrivate),
- 4096,
- G_ALLOC_AND_FREE);
+ {
+ event_chunk = g_mem_chunk_new ("events",
+ sizeof (GdkEventPrivate),
+ 4096,
+ G_ALLOC_AND_FREE);
+ event_hash = g_hash_table_new (g_direct_hash, NULL);
+ }
new_event = g_chunk_new (GdkEventPrivate, event_chunk);
new_event->flags = 0;
+ new_event->screen = NULL;
+
+ g_hash_table_insert (event_hash, new_event, GUINT_TO_POINTER (1));
return (GdkEvent*) new_event;
}
+static gboolean
+gdk_event_is_allocated (GdkEvent *event)
+{
+ if (event_hash)
+ return g_hash_table_lookup (event_hash, event) != NULL;
+}
+
/**
* gdk_event_copy:
* @event: a #GdkEvent
default:
break;
}
-
+
+ g_hash_table_remove (event_chunk, event);
g_mem_chunk_free (event_chunk, event);
}
return gdk_device_get_axis (device, axes, axis_use, value);
}
+/**
+ * gdk_event_set_screen:
+ * @event: a #GdkEvent
+ * @screen: a #GdkScreen
+ *
+ * Sets the screen for @event to @screen. The event must
+ * have been allocated by GTK+, for instance, by
+ * gdk_event_copy().
+ **/
+void
+gdk_event_set_screen (GdkEvent *event,
+ GdkScreen *screen)
+{
+ GdkEventPrivate *private;
+
+ g_return_if_fail (gdk_event_is_allocated (event));
+
+ private = (GdkEventPrivate *)event;
+
+ private->screen = screen;
+}
+
+/**
+ * gdk_event_get_screen:
+ * @event: a #GdkEvent
+ *
+ * Returns the screen for the event. The screen is
+ * typically the screen for event->any.window, but
+ * for events such as mouse events, it is the screen
+ * where the the pointer was when the event occurs -
+ * that is, the screen which has the root window
+ * to which event->motion.x_root and
+ * event->motion.y_root are relative.
+ *
+ * Return value: the screen for the event
+ **/
+GdkScreen *
+gdk_event_get_screen (GdkEvent *event)
+{
+ if (gdk_event_is_allocated (event))
+ {
+ GdkEventPrivate *private = (GdkEventPrivate *)event;
+
+ if (private->screen)
+ return private->screen;
+ }
+
+ if (event->any.window)
+ return gdk_drawable_get_screen (event->any.window);
+
+ return NULL;
+}
+
/**
* gdk_set_show_events:
* @show_events: %TRUE to output event debugging information.
gpointer data,
GDestroyNotify notify);
+void gdk_event_set_screen (GdkEvent *event,
+ GdkScreen *screen);
+GdkScreen *gdk_event_get_screen (GdkEvent *event);
+
void gdk_set_show_events (gboolean show_events);
gboolean gdk_get_show_events (void);
gdk_event_put (&event);
}
+static void
+set_screen_from_root (GdkDisplay *display,
+ GdkEvent *event,
+ Window xrootwin)
+{
+ GdkScreen *screen;
+
+ screen = _gdk_x11_display_screen_for_xrootwin (display, xrootwin);
+ g_assert (screen);
+
+ gdk_event_set_screen (event, screen);
+}
+
static gboolean
gdk_event_translate (GdkDisplay *display,
GdkEvent *event,
event->scroll.y_root = (gfloat)xevent->xbutton.y_root;
event->scroll.state = (GdkModifierType) xevent->xbutton.state;
event->scroll.device = display->core_pointer;
+
+ set_screen_from_root (display, event, xevent->xbutton.root);
+
break;
default:
event->button.button = xevent->xbutton.button;
event->button.device = display->core_pointer;
+ set_screen_from_root (display, event, xevent->xbutton.root);
+
_gdk_event_button_generate (display, event);
break;
}
event->button.state = (GdkModifierType) xevent->xbutton.state;
event->button.button = xevent->xbutton.button;
event->button.device = display->core_pointer;
+
+ set_screen_from_root (display, event, xevent->xbutton.root);
break;
event->motion.is_hint = xevent->xmotion.is_hint;
event->motion.device = display->core_pointer;
+ set_screen_from_root (display, event, xevent->xmotion.root);
+
break;
case EnterNotify:
event->crossing.x_root = xevent->xcrossing.x_root;
event->crossing.y_root = xevent->xcrossing.y_root;
+ set_screen_from_root (display, event, xevent->xcrossing.root);
+
/* Translate the crossing mode into Gdk terms.
*/
switch (xevent->xcrossing.mode)
event->crossing.x_root = xevent->xcrossing.x_root;
event->crossing.y_root = xevent->xcrossing.y_root;
+ set_screen_from_root (display, event, xevent->xcrossing.root);
+
/* Translate the crossing mode into Gdk terms.
*/
switch (xevent->xcrossing.mode)