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directfb: fix gdk_directfb_child_at

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When GDK looks for the window under pointer, the gdk-directfb backend
looks at windows starting from the root window to the upper window in
the stack. For this, it looks at window's size and position. This
patch fix the assumption that windows are always natives windows from
which we can retrieve backend's private data.

Signed-off-by: Lionel Landwerlin <llandwerlin@gmail.com>
This commit is contained in:
Lionel Landwerlin 2010-05-15 21:27:05 +02:00 committed by Sven Neumann
parent 65f7b09b39
commit 4509240d0e
1 changed files with 5 additions and 4 deletions
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9
gdk/directfb/gdkevents-directfb.c
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@ -422,12 +422,13 @@ gdk_directfb_child_at (GdkWindow *window,
for (list = private->children; list; list = list->next)
{
GdkWindowObject *win = list->data;
gint wx, wy, ww, wh;
gdk_window_get_geometry (GDK_WINDOW (win), &wx, &wy, &ww, &wh, NULL);
if (GDK_WINDOW_IS_MAPPED (win) &&
*winx >= win->x &&
*winx < win->x + GDK_DRAWABLE_IMPL_DIRECTFB (win->impl)->width &&
*winy >= win->y &&
*winy < win->y + GDK_DRAWABLE_IMPL_DIRECTFB (win->impl)->height)
*winx >= wx && *winx < wx + ww &&
*winy >= wy && *winy < wy + wh)
{
*winx -= win->x;
*winy -= win->y;