Added window focus handling to lighthouse

The idea is that QPlatformWindows can request focus handling. And when
actual focus shifting is done by windowsystem callbacks/events which are
sent to QWindowSystemInterface

1 files changed, 19 insertions, 0 deletions

diff --git a/src/gui/kernel/qplatformwindow_qpa.cpp b/src/gui/kernel/qplatformwindow_qpa.cpp
index 29eaa82..b6b6693 100644
--- a/src/gui/kernel/qplatformwindow_qpa.cpp
+++ b/src/gui/kernel/qplatformwindow_qpa.cpp
@@ -41,6 +41,7 @@
 
 #include "qplatformwindow_qpa.h"
 
+#include <QtGui/qwindowsysteminterface_qpa.h>
 #include <QtGui/qwidget.h>
 
 class QPlatformWindowPrivate
@@ -171,6 +172,24 @@ void QPlatformWindow::setOpacity(qreal level)
 }
 
 /*!
+  Reimplement to let Qt be able to request activation/focus for a window
+
+  Some window systems will probably not have callbacks for this functionality,
+  and then calling QWindowSystemInterface::handleWindowActivated(QWidget *w)
+  would be sufficient.
+
+  If the window system has some event handling/callbacks then call
+  QWindowSystemInterface::handleWindowActivated(QWidget *w) when the window system
+  gives the notification.
+
+  Default implementation calls QWindowSystem::handleWindowActivated(QWidget *w)
+*/
+void QPlatformWindow::requestActivateWindow()
+{
+    QWindowSystemInterface::handleWindowActivated(widget());
+}
+
+/*!
   Reimplement to return the glContext associated with the window.
 */
 QPlatformGLContext *QPlatformWindow::glContext() const