uic: Ignore obsolete pixmap functions

After qtbase/550d2a0a15c9403894448ab83863e71bbac2d349,
pixmap functions are used for icons as well which can cause compile
errors for old UI files that still use them.

Task-number: QTBUG-8563
Change-Id: I61bd4b9c1bf774e071a35c5806657054a77ff4d0
Reviewed-by: Jarek Kobus <[email protected]>
Reviewed-by: Andy Shaw <[email protected]>

Author: FriedemannKleint

src/tools/uic/uic.cpp

@@ -247,8 +247,12 @@ bool Uic::write(DomUI *ui)
     }
 
     pixFunction = ui->elementPixmapFunction();
-    if (pixFunction == QLatin1String("QPixmap::fromMimeSource"))
-        pixFunction = QLatin1String("qPixmapFromMimeSource");
+    if (pixFunction == QLatin1String("QPixmap::fromMimeSource")
+        || pixFunction == QLatin1String("qPixmapFromMimeSource")) {
+        fprintf(stderr, "%s: Warning: Obsolete pixmap function '%s' specified in the UI file.\n",
+                qPrintable(opt.messagePrefix()), qPrintable(pixFunction));
+        pixFunction.clear();
+    }
 
     info.acceptUI(ui);
     cWidgetsInfo.acceptUI(ui);