Reduce usage of QDesktopWidget to resolve screen properties in QtWidgets

Removes the need to initialize QDesktopWidget, just to look up which
screen a widget would map to, the geometry of a screen, number of
screens, etc.

Change-Id: Ieb153b9ff6d3fba645fc528d6e430e8392f990bf
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/widgets/widgets/qsplashscreen.cpp b/src/widgets/widgets/qsplashscreen.cpp
index d1b59b5196..468fc272b5 100644
--- a/src/widgets/widgets/qsplashscreen.cpp
+++ b/src/widgets/widgets/qsplashscreen.cpp
@@ -41,6 +41,7 @@
 
 #include "qapplication.h"
 #include "qdesktopwidget.h"
+#include <private/qdesktopwidget_p.h>
 #include "qpainter.h"
 #include "qpixmap.h"
 #include "qtextdocument.h"
@@ -282,7 +283,7 @@ void QSplashScreen::setPixmap(const QPixmap &pixmap)
 
     QRect r(QPoint(), d->pixmap.size()  / d->pixmap.devicePixelRatio());
     resize(r.size());
-    move(QApplication::desktop()->screenGeometry().center() - r.center());
+    move(QDesktopWidgetPrivate::screenGeometry().center() - r.center());
     if (isVisible())
         repaint();
 }