QNX: Don't create a platform window for a desktop widget

As I understand it the QDesktopWidget does only serve the purpose of
returning the screen size and number. It does not need a real platform
window.
This removes some overhead, because a desktop widget is always created.

Change-Id: I8c0d86bbb46b1f32094fda1592df795af6bb423f
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/plugins/platforms/qnx/qqnxrasterwindow.cpp b/src/plugins/platforms/qnx/qqnxrasterwindow.cpp
index eb9fac540f..ead6e73a87 100644
--- a/src/plugins/platforms/qnx/qqnxrasterwindow.cpp
+++ b/src/plugins/platforms/qnx/qqnxrasterwindow.cpp
@@ -64,10 +64,13 @@ QQnxRasterWindow::QQnxRasterWindow(QWindow *window, screen_context_t context, bo
     initWindow();
 
     // Set window usage
+    if (window->type() == Qt::Desktop)
+        return;
+
     const int val = SCREEN_USAGE_NATIVE | SCREEN_USAGE_READ | SCREEN_USAGE_WRITE;
     const int result = screen_set_window_property_iv(nativeHandle(), SCREEN_PROPERTY_USAGE, &val);
     if (result != 0)
-        qFatal("QQnxEglWindow: failed to set window alpha usage, errno=%d", errno);
+        qFatal("QQnxRasterWindow: failed to set window alpha usage, errno=%d", errno);
 }
 
 void QQnxRasterWindow::post(const QRegion &dirty)