Initial commit

Lts/Common/LtsMultiMonitor/lts_dummy_widget.h

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+#pragma once
+
+#include <LtsMultiMonitor/lts_multi_monitor_export.h>
+
+#include <QWidget>
+
+
+class QEvent;
+
+
+namespace LtsMultiMonitor
+{
+
+class LTSMULTIMONITOR_EXPORT SecondaryWidget : public QWidget
+{
+  Q_OBJECT
+public:
+  SecondaryWidget() = default;
+  virtual ~SecondaryWidget() = default;
+};
+
+/**
+ * @brief The FullscreenVideoDummyWidget class provides a widget which obtains a whole screen in the MMM.
+ * A foreign application's window  can be placed  on  this position. If the dummy widget gets
+ * replaced by another widget  of  the OpApp, then the FullscreenVideoDummyWidget gets destroyed  and the
+ * foreign application's window *must* be closed.
+ * Do not destroy the FullscreenVideoDummyWidget yourself unless you want to free the screen space in the
+ * MMM again.
+ *
+ * Listen to signalWidgetPlaced and set your foreign application's window to globalGeometry.
+ * Listen to destroyed to close your foreign application's window as that window was replaced
+ *   by the MMM.
+ *
+ * Does not work in tablet mode.
+ */
+class LTSMULTIMONITOR_EXPORT FullscreenVideoDummyWidget : public SecondaryWidget
+{
+  Q_OBJECT
+
+public:
+  FullscreenVideoDummyWidget();
+
+  void hideVideo();
+  void showVideo();
+
+protected:
+  bool event(QEvent *);
+
+signals:
+  void signalWidgetPlaced(const QRect &globalGeometry);
+  void signalHideVideo();
+  void signalShowVideo();
+};
+
+} // namespace LtsMultiMonitor