Added environment variable for style overriding.

This is needed to run all autotests in a specified style by default.

Reviewed By: Harald Fernengel

1 files changed, 10 insertions, 2 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 6c4004e..a4ae46b 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -1430,10 +1430,18 @@ QStyle *QApplication::style()
         // Compile-time search for default style
         //
         QString style;
-        if (!QApplicationPrivate::styleOverride.isEmpty())
+#ifdef QT_BUILD_INTERNAL
+        QString envStyle = QString::fromLocal8Bit(qgetenv("QT_STYLE_OVERRIDE"));
+#else
+        QString envStyle;
+#endif
+        if (!QApplicationPrivate::styleOverride.isEmpty()) {
             style = QApplicationPrivate::styleOverride;
-        else
+        } else if (!envStyle.isEmpty()) {
+            style = envStyle;
+        } else {
             style = QApplicationPrivate::desktopStyleKey();
+        }
 
         QStyle *&app_style = QApplicationPrivate::app_style;
         app_style = QStyleFactory::create(style);