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Fix handling of window cursor wrt grabs

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Even for grabs we need to recurse up to look for what cursor to use.
This commit is contained in:
Alexander Larsson
2009-09-08 11:48:20 +02:00
parent 4e78b4c7d1
commit 113d21801b
1 changed files with 19 additions and 11 deletions
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30
gdk/gdkwindow.c
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@ -8599,28 +8599,36 @@ _gdk_window_event_parent_of (GdkWindow *parent,
static void
update_cursor (GdkDisplay *display)
{
GdkWindowObject *pointer_window, *cursor_window, *parent, *toplevel;
GdkWindowObject *cursor_window, *parent, *toplevel;
GdkWindow *pointer_window;
GdkWindowImplIface *impl_iface;
GdkPointerGrabInfo *grab;
pointer_window = (GdkWindowObject *)display->pointer_info.window_under_pointer;
pointer_window = display->pointer_info.window_under_pointer;
cursor_window = pointer_window;
/* We ignore the serials here and just pick the last grab
we've sent, as that would shortly be used anyway. */
grab = _gdk_display_get_last_pointer_grab (display);
if (/* have grab */
grab != NULL &&
/* the pointer is not in a descendant of the grab window */
!_gdk_window_event_parent_of (grab->window, pointer_window))
/* use the cursor from the grab window */
cursor_window = (GdkWindowObject *)grab->window;
else
/* otherwise use the cursor from the pointer window */
cursor_window = (GdkWindowObject *)pointer_window;
/* Find the first window with the cursor actually set, as
the cursor is inherited from the parent */
while (cursor_window->cursor == NULL &&
(parent = get_event_parent (cursor_window)) != NULL &&
parent->window_type != GDK_WINDOW_ROOT)
cursor_window = parent;
/* We ignore the serials here and just pick the last grab
we've sent, as that would shortly be used anyway. */
grab = _gdk_display_get_last_pointer_grab (display);
if (grab != NULL &&
!_gdk_window_event_parent_of (grab->window, (GdkWindow *)cursor_window))
cursor_window = (GdkWindowObject *)grab->window;
/* Set all cursors on toplevel, otherwise its tricky to keep track of
* which native window has what cursor set. */
toplevel = (GdkWindowObject *)get_event_toplevel ((GdkWindow *)pointer_window);
toplevel = (GdkWindowObject *)get_event_toplevel (pointer_window);
impl_iface = GDK_WINDOW_IMPL_GET_IFACE (toplevel->impl);
impl_iface->set_cursor ((GdkWindow *)toplevel, cursor_window->cursor);
}