Remove special code for Qt5 to manage HiDPI. It's not needed anymore and leads to strange icon scaling problems in mixed resolution environment.

For reference see the screen shots in bug tracker ticket #10114.

(cherry picked from commit d5fb80ed87)

src/frontends/qt4/GuiApplication.cpp

@@ -553,18 +553,7 @@ QString iconName(FuncRequest const & f, bool unknown)
 
 bool getPixmap(QPixmap & pixmap, QString const & path)
 {
-	if (pixmap.load(path)) {
+	return pixmap.load(path);
-#if QT_VERSION >= 0x050000
-		if (path.endsWith(".svgz") || path.endsWith(".svg") ) {
-			GuiApplication const * guiApp = theGuiApp();
-			if (guiApp != 0) {
-				pixmap.setDevicePixelRatio(guiApp->pixelRatio());
-			}
-		}
-#endif
-		return true;
-	}
-	return false;
 }
 
 

status.22x

@@ -176,6 +176,8 @@ What's new
 
 - Fix title of LuaTeX and XeTeX error dialogs (part of bug 10013).
 
+- Remove special code for Qt5 to load SVG icons with HiDPI (part of bug 10114).
+
 
 * INTERNALS