diff options
Diffstat (limited to 'src/tk/check.c')
| -rw-r--r-- | src/tk/check.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/tk/check.c b/src/tk/check.c index 6f70dd0..5c73554 100644 --- a/src/tk/check.c +++ b/src/tk/check.c @@ -82,6 +82,9 @@ _mftk_check_event(struct mftk_widget *w, SDL_Event *e, case SDL_MOUSEBUTTONUP: if (e->button.button == SDL_BUTTON_LEFT) { c->state = !c->state; + if (c->action == NULL) { + return 0; + } return c->action(c->user_data, c->state); } break; |