desktop-shell: Don't crash on zoom without a pointer in the seat
The zoom effect zooms at the seat's current pointer location. When no
pointer is present the zoom key bindings cause a crash.
Instead, check for the absence of a pointer and log a warning.
Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
diff --git a/desktop-shell/shell.c b/desktop-shell/shell.c
index f6d9c79..456763d 100644
--- a/desktop-shell/shell.c
+++ b/desktop-shell/shell.c
@@ -4671,6 +4671,11 @@
struct weston_output *output;
float increment;
+ if (!seat->pointer) {
+ weston_log("Zoom hotkey pressed but seat '%s' contains no pointer.\n", seat->seat_name);
+ return;
+ }
+
wl_list_for_each(output, &compositor->output_list, link) {
if (pixman_region32_contains_point(&output->region,
wl_fixed_to_double(seat->pointer->x),