58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
#include "lib/overlaywidget.h"
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#include <QEvent>
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OverlayWidget::OverlayWidget(QWidget *parent)
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: QWidget(parent)
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{
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}
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OverlayWidget::~OverlayWidget()
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{
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}
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bool OverlayWidget::event(QEvent *event)
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{
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switch (event->type())
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{
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case QEvent::ParentChange:
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{
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if (!parent()) {
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break;
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}
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parent()->installEventFilter(this);
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setGeometry(overlayGeometry());
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break;
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}
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case QEvent::ParentAboutToChange:
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{
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if (!parent()) {
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break;
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}
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parent()->removeEventFilter(this);
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break;
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}
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default:
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break;
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}
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return QWidget::event(event);
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}
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bool OverlayWidget::eventFilter(QObject *obj, QEvent *event)
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{
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const QEvent::Type type = event->type();
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if (QEvent::Move == type || QEvent::Resize == type) {
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setGeometry(overlayGeometry());
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}
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return QWidget::eventFilter(obj, event);
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}
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QRect OverlayWidget::overlayGeometry() const
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{
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QWidget *widget = parentWidget();
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if (widget) {
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return widget->rect();
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}
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return QRect();
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}
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