Add standard fullscreen mode

src/Gui/CommandView.cpp

@@ -1478,6 +1478,38 @@ bool StdViewUndock::isActive(void)
     return (qobject_cast<View3DInventor*>(view) ? true : false);
 }
 
+//===========================================================================
+// Std_MainFullscreen
+//===========================================================================
+DEF_STD_CMD(StdMainFullscreen)
+
+StdMainFullscreen::StdMainFullscreen()
+  : Command("Std_MainFullscreen")
+{
+    sGroup       = QT_TR_NOOP("Standard-View");
+    sMenuText    = QT_TR_NOOP("Fullscreen");
+    sToolTipText = QT_TR_NOOP("Display the main window in fullscreen mode");
+    sWhatsThis   = "Std_MainFullscreen";
+    sStatusTip   = QT_TR_NOOP("Display the main window in fullscreen mode");
+    sPixmap      = "view-fullscreen";
+    sAccel       = "Alt+F11";
+    eType        = Alter3DView;
+}
+
+void StdMainFullscreen::activated(int iMsg)
+{
+    Q_UNUSED(iMsg); 
+    MDIView* view = getMainWindow()->activeWindow();
+
+    if (view)
+        view->setCurrentViewMode(MDIView::Child);
+
+    if (getMainWindow()->isFullScreen())
+        getMainWindow()->showNormal();
+    else
+        getMainWindow()->showFullScreen();
+}
+
 //===========================================================================
 // Std_ViewFullscreen
 //===========================================================================
@@ -1548,6 +1580,10 @@ Action * StdViewDockUndockFullscreen::createAction(void)
 
 void StdViewDockUndockFullscreen::activated(int iMsg)
 {
+    // Check if main window is in fullscreen mode.
+    if (getMainWindow()->isFullScreen())
+        getMainWindow()->showNormal();
+
     MDIView* view = getMainWindow()->activeWindow();
     if (!view) return; // no active view
 
@@ -2811,7 +2847,7 @@ void CreateViewStdCommands(void)
 
     rcCmdMgr.addCommand(new StdCmdViewCreate());
     rcCmdMgr.addCommand(new StdViewScreenShot());
-
+    rcCmdMgr.addCommand(new StdMainFullscreen());
     rcCmdMgr.addCommand(new StdViewDockUndockFullscreen());
     rcCmdMgr.addCommand(new StdCmdSetAppearance());
     rcCmdMgr.addCommand(new StdCmdToggleVisibility());

src/Gui/Workbench.cpp

@@ -539,7 +539,7 @@ MenuItem* StdWorkbench::setupMenuBar() const
     // View
     MenuItem* view = new MenuItem( menuBar );
     view->setCommand("&View");
-    *view << "Std_ViewCreate" << "Std_OrthographicCamera" << "Std_PerspectiveCamera" << "Separator" 
+    *view << "Std_ViewCreate" << "Std_OrthographicCamera" << "Std_PerspectiveCamera" << "Std_MainFullscreen" << "Separator" 
           << stdviews << "Std_FreezeViews" << "Std_DrawStyle" << "Separator" << view3d << zoom
           << "Std_ViewDockUndockFullscreen" << "Std_AxisCross" << "Std_ToggleClipPlane"
           << "Std_TextureMapping"