input/pointer: correctly handle bindings for synthetic events

This commit addresses a regression introduced in 8fa74ad.

Fixes #5481.

1 files changed, 3 insertions, 2 deletions

diff --git a/sway/input/seatop_default.c b/sway/input/seatop_default.c
index a1b4aeb2..55c9159a 100644
--- a/sway/input/seatop_default.c
+++ b/sway/input/seatop_default.c
@@ -280,8 +280,9 @@ static bool trigger_pointer_button_binding(struct sway_seat *seat,
                 enum wlr_button_state state, uint32_t modifiers,
                 bool on_titlebar, bool on_border, bool on_contents, bool on_workspace) {
         // We can reach this for non-pointer devices if we're currently emulating
-        // pointer input for one. Emulated input should not trigger bindings.
-        if (device->type != WLR_INPUT_DEVICE_POINTER) {
+        // pointer input for one. Emulated input should not trigger bindings. The
+        // device can be NULL if this is synthetic (e.g. swaymsg-generated) input.
+        if (device && device->type != WLR_INPUT_DEVICE_POINTER) {
                 return false;
         }