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Clean up sprite observers on lua GC

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This commit is contained in:
lampysprites 2021-10-02 22:10:25 +07:00
parent 83c03a3158
commit 28595a410d
1 changed files with 13 additions and 0 deletions
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13
src/app/script/sprite_class.cpp
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@ -172,6 +172,18 @@ int Sprite_new(lua_State* L)
return 1;
}
int Sprite_gc(lua_State* L)
{
auto sprite = get_docobj<Sprite>(L, 1);
auto doc = static_cast<Doc*>(sprite->document());
if (ScriptDocObserver* obs = script_observers[sprite->id()]) {
doc->undoHistory()->remove_observer(obs);
script_observers.erase(sprite->id());
}
return 0;
}
int Sprite_eq(lua_State* L)
{
const auto a = get_docobj<Sprite>(L, 1);
@ -871,6 +883,7 @@ int Sprite_set_pixelRatio(lua_State* L)
}
const luaL_Reg Sprite_methods[] = {
{ "__gc", Sprite_gc },
{ "__eq", Sprite_eq },
{ "resize", Sprite_resize },
{ "crop", Sprite_crop },