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input: don’t assert when receiving a button release without a press event

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Daniel Eklöf 2021-01-04 18:32:00 +01:00
parent b4d7a60864
commit 9d8ca321d6
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1 changed files with 20 additions and 1 deletions
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21
input.c
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@ -1537,6 +1537,11 @@ wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
assert(it->item.button != button); assert(it->item.button != button);
#endif #endif
/*
* Remember which surface "owns" this button, so that we can
* send motion and button release events to that surface, even
* if the pointer is no longer over it.
*/
tll_push_back( tll_push_back(
seat->mouse.buttons, seat->mouse.buttons,
((struct button_tracker){ ((struct button_tracker){
@ -1559,7 +1564,21 @@ wl_pointer_button(void *data, struct wl_pointer *wl_pointer,
break; break;
} }
} }
assert(have_button);
if (!have_button) {
/*
* Seen on Sway with slurp
*
* 1. Run slurp
* 2. Press, and hold left mouse button
* 3. Press escape, to cancel slurp
* 4. Release mouse button
* 5. BAM!
*/
LOG_WARN("stray button release event");
return;
}
seat->mouse.last_released_button = button; seat->mouse.last_released_button = button;
} }