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LibGUI: Add a GStackWidget for many widgets sharing a single location.

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Call set_active_widget(GWidget*) to put a new widget on top.
This commit is contained in:
Andreas Kling 2019-03-15 16:12:06 +01:00
parent ab92252ee6
commit 497300c492
10 changed files with 157 additions and 5 deletions
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9
LibGUI/GObject.cpp
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@ -28,6 +28,9 @@ void GObject::event(GEvent& event)
case GEvent::DeferredDestroy:
delete this;
break;
case GEvent::ChildAdded:
case GEvent::ChildRemoved:
return child_event(static_cast<GChildEvent&>(event));
case GEvent::Invalid:
ASSERT_NOT_REACHED();
break;
@ -39,6 +42,7 @@ void GObject::event(GEvent& event)
void GObject::add_child(GObject& object)
{
m_children.append(&object);
GEventLoop::main().post_event(*this, make<GChildEvent>(GEvent::ChildAdded, object));
}
void GObject::remove_child(GObject& object)
@ -46,6 +50,7 @@ void GObject::remove_child(GObject& object)
for (ssize_t i = 0; i < m_children.size(); ++i) {
if (m_children[i] == &object) {
m_children.remove(i);
GEventLoop::main().post_event(*this, make<GChildEvent>(GEvent::ChildRemoved, object));
return;
}
}
@ -55,6 +60,10 @@ void GObject::timer_event(GTimerEvent&)
{
}
void GObject::child_event(GChildEvent&)
{
}
void GObject::start_timer(int ms)
{
if (m_timer_id) {