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LibCore+LibGUI: Switch to using AK::is and AK::downcast

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This commit is contained in:
Andreas Kling 2020-07-26 17:16:35 +02:00
parent 71556e39a4
commit e0b8b4ac67
14 changed files with 341 additions and 98 deletions
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28
Libraries/LibGUI/Widget.h
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@ -40,12 +40,6 @@
extern WidgetClassRegistration registration_##class_name; \
WidgetClassRegistration registration_##class_name(#class_name, []() { return class_name::construct(); });
template<>
inline bool Core::is<GUI::Widget>(const Core::Object& object)
{
return object.is_widget();
}
namespace GUI {
enum class SizePolicy {
@ -249,8 +243,8 @@ public:
void for_each_child_widget(Callback callback)
{
for_each_child([&](auto& child) {
if (Core::is<Widget>(child))
return callback(Core::to<Widget>(child));
if (is<Widget>(child))
return callback(downcast<Widget>(child));
return IterationDecision::Continue;
});
}
@ -278,9 +272,9 @@ public:
protected:
Widget();
virtual void custom_layout() {}
virtual void did_change_font() {}
virtual void did_layout() {}
virtual void custom_layout() { }
virtual void did_change_font() { }
virtual void did_layout() { }
virtual void paint_event(PaintEvent&);
virtual void resize_event(ResizeEvent&);
virtual void show_event(ShowEvent&);
@ -347,14 +341,18 @@ private:
inline Widget* Widget::parent_widget()
{
if (parent() && Core::is<Widget>(*parent()))
return &Core::to<Widget>(*parent());
if (parent() && is<Widget>(*parent()))
return &downcast<Widget>(*parent());
return nullptr;
}
inline const Widget* Widget::parent_widget() const
{
if (parent() && Core::is<Widget>(*parent()))
return &Core::to<const Widget>(*parent());
if (parent() && is<Widget>(*parent()))
return &downcast<const Widget>(*parent());
return nullptr;
}
}
AK_BEGIN_TYPE_TRAITS(GUI::Widget)
static bool is_type(const Core::Object& object) { return object.is_widget(); }
AK_END_TYPE_TRAITS()