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wayland-server: Listen for pointer current surface destruction

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Add a destroy listener so that when the current surface associated with the
pointer is destroyed we can reset the pointer to the current surface. In order
to achieve this add a wl_pointer_set_current() which handles assigning the
surface and creating the listener.

This resolves a use-after-free error triggered with nested popup surfaces

Fixes: https://bugzilla.gnome.org/show_bug.cgi?id=696946
This commit is contained in:
Rob Bradford 2013-04-03 15:20:49 +01:00 • committed by Kristian Høgsberg
parent 858fcbde59
commit db19b443cc
2 changed files with 28 additions and 0 deletions
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3
src/wayland-server.h
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@ -312,6 +312,7 @@ struct wl_pointer {
wl_fixed_t x, y;
struct wl_surface *current;
struct wl_listener current_listener;
wl_fixed_t current_x, current_y;
uint32_t button_count;
@ -450,6 +451,8 @@ wl_pointer_start_grab(struct wl_pointer *pointer,
struct wl_pointer_grab *grab);
void
wl_pointer_end_grab(struct wl_pointer *pointer);
void
wl_pointer_set_current(struct wl_pointer *pointer, struct wl_surface *surface);
void
wl_keyboard_init(struct wl_keyboard *keyboard);