Pop-up action's tooltip if ActionGroup is expanded and the mouse hovers over an action.

src/Gui/Action.cpp

@@ -45,6 +45,7 @@
 #include "FileDialog.h"
 #include "MainWindow.h"
 #include "WhatsThis.h"
+#include "Widgets.h"
 #include "Workbench.h"
 #include "WorkbenchManager.h"
 
@@ -209,6 +210,7 @@ ActionGroup::ActionGroup ( Command* pcCmd,QObject * parent)
 {
     _group = new QActionGroup(this);
     connect(_group, SIGNAL(triggered(QAction*)), this, SLOT(onActivated (QAction*)));
+    connect(_group, SIGNAL(hovered(QAction*)), this, SLOT(onHovered(QAction*)));
 }
 
 ActionGroup::~ActionGroup()
@@ -350,6 +352,12 @@ void ActionGroup::onActivated (QAction* a)
     _pcCmd->invoke(index);
 }
 
+void ActionGroup::onHovered (QAction *a) 
+{
+    Gui::ToolTip::showText(QCursor::pos(), a->toolTip());
+}
+
+
 // --------------------------------------------------------------------
 
 namespace Gui {

src/Gui/Action.h

@@ -114,6 +114,7 @@ public Q_SLOTS:
     void onActivated ();
     void onActivated (int);
     void onActivated (QAction*);
+    void onHovered   (QAction*);
 
 protected:
     QActionGroup* _group;