1 files changed, 72 insertions, 0 deletions
diff --git a/src/ui/OverlayWidget.cpp b/src/ui/OverlayWidget.cpp
new file mode 100644
index 00000000..ccac0116
--- /dev/null
+++ b/src/ui/OverlayWidget.cpp
@@ -0,0 +1,72 @@
+#include "OverlayWidget.h"
+#include <QEvent>
+
+OverlayWidget::OverlayWidget(QWidget *parent)
+ : QWidget(parent)
+{
+ if (parent) {
+ parent->installEventFilter(this);
+ setGeometry(overlayGeometry());
+ raise();
+ }
+}
+
+bool
+OverlayWidget::event(QEvent *event)
+{
+ if (!parent())
+ return QWidget::event(event);
+
+ switch (event->type()) {
+ case QEvent::ParentChange: {
+ parent()->installEventFilter(this);
+ setGeometry(overlayGeometry());
+ break;
+ }
+ case QEvent::ParentAboutToChange: {
+ parent()->removeEventFilter(this);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return QWidget::event(event);
+}
+
+bool
+OverlayWidget::eventFilter(QObject *obj, QEvent *event)
+{
+ switch (event->type()) {
+ case QEvent::Move:
+ case QEvent::Resize:
+ setGeometry(overlayGeometry());
+ break;
+ default:
+ break;
+ }
+
+ return QWidget::eventFilter(obj, event);
+}
+
+QRect
+OverlayWidget::overlayGeometry() const
+{
+ QWidget *widget = parentWidget();
+
+ if (!widget)
+ return QRect();
+
+ return widget->rect();
+}
+
+void
+OverlayWidget::paintEvent(QPaintEvent *event)
+{
+ Q_UNUSED(event);
+
+ QStyleOption opt;
+ opt.init(this);
+ QPainter p(this);
+ style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+}
|
