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compositor: make the input region of drag surfaces empty

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With the input region changes, drag surfaces were being picked and
receiving events which led to problems on the client side.
This commit is contained in:
Ander Conselvan de Oliveira 2012-02-28 17:59:33 +02:00 • committed by Kristian Høgsberg
parent cacb7cd0f6
commit 90fbbd74cc
1 changed files with 16 additions and 0 deletions
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16
src/compositor.c
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@ -190,6 +190,15 @@ region_is_undefined(pixman_region32_t *region)
return region->data == &undef_region_data;
}
static void
empty_region(pixman_region32_t *region)
{
if (!region_is_undefined(region))
pixman_region32_fini(region);
pixman_region32_init(region);
}
WL_EXPORT struct weston_surface *
weston_surface_create(struct weston_compositor *compositor)
{
@ -1910,6 +1919,7 @@ weston_input_update_drag_surface(struct wl_input_device *input_device,
surface_changed = 1;
if (!input_device->drag_surface || surface_changed) {
undef_region(&device->drag_surface->input);
device->drag_surface = NULL;
if (!surface_changed)
return;
@ -1928,8 +1938,14 @@ weston_input_update_drag_surface(struct wl_input_device *input_device,
wl_list_insert(weston_compositor_top(device->compositor),
&device->drag_surface->link);
weston_surface_assign_output(device->drag_surface);
empty_region(&device->drag_surface->input);
}
/* the client may have attached a buffer with a different size to
* the drag surface, causing the input region to be reset */
if (region_is_undefined(&device->drag_surface->input))
empty_region(&device->drag_surface->input);
if (!dx && !dy)
return;