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LibGUI: Fire Show/Hide events when adding/removing widget from tree

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This ensures that widgets always get an initial show event.
This commit is contained in:
Andreas Kling 2022-09-19 20:47:10 +02:00
parent 4ee5dfbe4b
commit 5908873b45
Notes: sideshowbarker 2024-07-17 06:49:56 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/5908873b45
1 changed files with 9 additions and 0 deletions
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9
Userland/Libraries/LibGUI/Widget.cpp
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@ -219,6 +219,11 @@ void Widget::child_event(Core::ChildEvent& event)
}
if (window() && event.child() && is<Widget>(*event.child()))
window()->did_add_widget({}, verify_cast<Widget>(*event.child()));
if (event.child() && is<Widget>(*event.child()) && static_cast<Widget const&>(*event.child()).is_visible()) {
ShowEvent show_event;
event.child()->dispatch_event(show_event);
}
}
if (event.type() == Event::ChildRemoved) {
if (layout()) {
@ -228,6 +233,10 @@ void Widget::child_event(Core::ChildEvent& event)
}
if (window() && event.child() && is<Widget>(*event.child()))
window()->did_remove_widget({}, verify_cast<Widget>(*event.child()));
if (event.child() && is<Widget>(*event.child())) {
HideEvent hide_event;
event.child()->dispatch_event(hide_event);
}
update();
}
return Core::Object::child_event(event);