no native dialogs to prevent hangs in KDE (patch #7948 by Andre da Costa Barros) * main-window.cc(handle_save_workspace_request,handle_load_workspace_request, browse_for_directory): open the dialogs as qt instead native dialogs * file-editor.cc(request_open_file): configure the file dialog not being native * file-editor-tab.cc(save_file_as): configure the file dialog not being native * files-Dock-widget.cc(popdownmenu_search_dir): search dir dialog not native

--- a/libgui/src/files-dock-widget.cc
+++ b/libgui/src/files-dock-widget.cc
@@ -644,7 +644,8 @@
 files_dock_widget::popdownmenu_search_dir (bool)
 {
   QString dir = QFileDialog::getExistingDirectory
-    (this, tr ("Set directory of file browser"),_file_system_model->rootPath());
+    (this, tr ("Set directory of file browser"),_file_system_model->rootPath(),
+     QFileDialog::DontUseNativeDialog);
   set_current_directory (dir);
 }