BlackBerry: Fixed root window size

On BlackBerry the first window shown is treated as root window and
should be displayed full screen. The geometry has to be adjusted
properly to achieve this.

Task-number: QTBUG-34930
Change-Id: I6c011620116cc463e16dd352521b2b901a9f9f69
Reviewed-by: Fabian Bumberger <fbumberger@rim.com>
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>

2 files changed, 13 insertions, 10 deletions

diff --git a/src/plugins/platforms/qnx/qqnxeglwindow.cpp b/src/plugins/platforms/qnx/qqnxeglwindow.cpp
index 6afc3cad21..b57227a60b 100644
--- a/src/plugins/platforms/qnx/qqnxeglwindow.cpp
+++ b/src/plugins/platforms/qnx/qqnxeglwindow.cpp
@@ -58,12 +58,13 @@ QT_BEGIN_NAMESPACE
 
 QQnxEglWindow::QQnxEglWindow(QWindow *window, screen_context_t context, bool needRootWindow) :
     QQnxWindow(window, context, needRootWindow),
-    m_requestedBufferSize(window->geometry().size()),
     m_platformOpenGLContext(0),
     m_newSurfaceRequested(true),
     m_eglSurface(EGL_NO_SURFACE)
 {
     initWindow();
+    m_requestedBufferSize = screen()->rootWindow() == this ?
+                            screen()->geometry().size() : window->geometry().size();
 }
 
 QQnxEglWindow::~QQnxEglWindow()
@@ -145,6 +146,9 @@ EGLSurface QQnxEglWindow::getSurface()
 
 void QQnxEglWindow::setGeometry(const QRect &rect)
 {
+    //If this is the root window, it has to be shown fullscreen
+    const QRect &newGeometry = screen()->rootWindow() == this ? screen()->geometry() : rect;
+
     //We need to request that the GL context updates
     // the EGLsurface on which it is rendering.
     {
@@ -152,11 +156,11 @@ void QQnxEglWindow::setGeometry(const QRect &rect)
         // setting m_requestedBufferSize and therefore extended the scope to include
         // that test.
         const QMutexLocker locker(&m_mutex);
-        m_requestedBufferSize = rect.size();
-        if (m_platformOpenGLContext != 0 && bufferSize() != rect.size())
+        m_requestedBufferSize = newGeometry.size();
+        if (m_platformOpenGLContext != 0 && bufferSize() != newGeometry.size())
             m_newSurfaceRequested.testAndSetRelease(false, true);
     }
-    QQnxWindow::setGeometry(rect);
+    QQnxWindow::setGeometry(newGeometry);
 }
 
 QSize QQnxEglWindow::requestedBufferSize() const
diff --git a/src/plugins/platforms/qnx/qqnxwindow.cpp b/src/plugins/platforms/qnx/qqnxwindow.cpp
index 1e58d482d4..731e0e5ea7 100644
--- a/src/plugins/platforms/qnx/qqnxwindow.cpp
+++ b/src/plugins/platforms/qnx/qqnxwindow.cpp
@@ -136,7 +136,7 @@ void QQnxWindow::setGeometry(const QRect &rect)
 
     // Calling flushWindowSystemEvents() here would flush input events which
     // could result in re-entering QQnxWindow::setGeometry() again.
-    QWindowSystemInterface::setSynchronousWindowsSystemEvents(true); //This does not work
+    QWindowSystemInterface::setSynchronousWindowsSystemEvents(true);
     QWindowSystemInterface::handleGeometryChange(window(), newGeometry);
     QWindowSystemInterface::handleExposeEvent(window(), newGeometry);
     QWindowSystemInterface::setSynchronousWindowsSystemEvents(false);
@@ -608,12 +608,11 @@ void QQnxWindow::initWindow()
     setWindowState(window()->windowState());
     if (window()->parent() && window()->parent()->handle())
         setParent(window()->parent()->handle());
-    setGeometryHelper(window()->geometry());
-    if (screen()->rootWindow() == this) {
-        setGeometry(screen()->geometry());
-    }
-}
 
+    const QRect &initialGeometry = screen()->rootWindow() == this ?
+                                   screen()->geometry() : window()->geometry();
+    setGeometryHelper(initialGeometry);
+}
 
 void QQnxWindow::createWindowGroup()
 {