Utils: Check shift pressed for directory chooser

Change-Id: I69e9ff2accf51ad7f6327b6708f114a0f87ada42
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/utils/fileutils.cpp

@@ -534,10 +534,17 @@ FilePath FileUtils::getSaveFilePath(QWidget *parent,
 FilePath FileUtils::getExistingDirectory(QWidget *parent,
                                          const QString &caption,
                                          const FilePath &dir,
-                                         QFileDialog::Options options)
+                                         QFileDialog::Options options,
+                                         bool fromDeviceIfShiftIsPressed)
 {
     bool forceNonNativeDialog = dir.needsDevice();
 
+#ifdef QT_GUI_LIB
+    if (fromDeviceIfShiftIsPressed && qApp->queryKeyboardModifiers() & Qt::ShiftModifier) {
+        forceNonNativeDialog = true;
+    }
+#endif
+
     const QStringList schemes = QStringList(QStringLiteral("file"));
     return firstOrEmpty(getFilePaths(dialogParent(parent),
                                      caption,

src/libs/utils/fileutils.h

@@ -110,7 +110,8 @@ public:
     static FilePath getExistingDirectory(QWidget *parent,
                                          const QString &caption,
                                          const FilePath &dir = {},
-                                         QFileDialog::Options options = QFileDialog::ShowDirsOnly);
+                                         QFileDialog::Options options = QFileDialog::ShowDirsOnly,
+                                         bool fromDeviceIfShiftIsPressed = false);
 
     static FilePaths getOpenFilePaths(QWidget *parent,
                                       const QString &caption,