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LibCore+LibGUI: Add is<T>(CObject&) and to<T>(CObject&) helpers.

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This commit is contained in:
Andreas Kling 2019-05-27 04:06:01 +02:00
parent 723ba91f74
commit 0c85d3dba9
5 changed files with 53 additions and 30 deletions
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12
LibGUI/GWidget.cpp
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@ -26,13 +26,13 @@ GWidget::~GWidget()
void GWidget::child_event(CChildEvent& event)
{
if (event.type() == GEvent::ChildAdded) {
if (event.child() && event.child()->is_widget() && layout())
layout()->add_widget(static_cast<GWidget&>(*event.child()));
if (event.child() && is<GWidget>(*event.child()) && layout())
layout()->add_widget(to<GWidget>(*event.child()));
}
if (event.type() == GEvent::ChildRemoved) {
if (layout()) {
if (event.child() && event.child()->is_widget())
layout()->remove_widget(static_cast<GWidget&>(*event.child()));
if (event.child() && is<GWidget>(*event.child()))
layout()->remove_widget(to<GWidget>(*event.child()));
else
invalidate_layout();
}
@ -321,9 +321,9 @@ Rect GWidget::screen_relative_rect() const
GWidget* GWidget::child_at(const Point& point) const
{
for (int i = children().size() - 1; i >= 0; --i) {
if (!children()[i]->is_widget())
if (!is<GWidget>(*children()[i]))
continue;
auto& child = *(GWidget*)children()[i];
auto& child = to<GWidget>(*children()[i]);
if (!child.is_visible())
continue;
if (child.relative_rect().contains(point))