Allow to show or hide menu items

.editorconfig

@@ -0,0 +1,15 @@
+# https://EditorConfig.org  -*- ini -*-
+# This is a unified way to tell all your editors
+# about the proper indentation style in this repo.
+#
+# Emacs:   https://github.com/editorconfig/editorconfig-emacs#readme
+# Vim:     https://github.com/editorconfig/editorconfig-vim#readme
+# VS Code: https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig
+
+# don't continue looking in upper directories, this is the top level
+root = true
+
+[*.{h,cc}]
+indent_style = tab
+indent_size = 4
+tab_width = 8

src/YQMenuBar.cc

@@ -73,19 +73,19 @@ YQMenuBar::rebuildMenuTree()
     for ( YItemIterator it = itemsBegin(); it != itemsEnd(); ++it )
     {
 	YMenuItem * item = dynamic_cast<YMenuItem *>( *it );
-        YUI_CHECK_PTR( item );
+	YUI_CHECK_PTR( item );
 
-        if ( ! item->isMenu() )
-            YUI_THROW( YUIException( "YQMenuBar: Only menus allowed on toplevel." ) );
+	if ( ! item->isMenu() )
+	    YUI_THROW( YUIException( "YQMenuBar: Only menus allowed on toplevel." ) );
 
-        QMenu * menu = QMenuBar::addMenu( fromUTF8( item->label() ));
-        item->setUiItem( menu );
+	QMenu * menu = QMenuBar::addMenu( fromUTF8( item->label() ));
+	item->setUiItem( menu );
 
-        connect( menu, &pclass(menu)::triggered,
-                 this, &pclass(this)::menuEntryActivated );
+	connect( menu, &pclass(menu)::triggered,
+		this, &pclass(this)::menuEntryActivated );
 
-        // Recursively add menu content
-        rebuildMenuTree( menu, item->childrenBegin(), item->childrenEnd() );
+	// Recursively add menu content
+	rebuildMenuTree( menu, item->childrenBegin(), item->childrenEnd() );
     }
 }
 
@@ -96,20 +96,20 @@ YQMenuBar::rebuildMenuTree( QMenu * parentMenu, YItemIterator begin, YItemIterat
     for ( YItemIterator it = begin; it != end; ++it )
     {
 	YMenuItem * item = dynamic_cast<YMenuItem *>( *it );
-        YUI_CHECK_PTR( item );
+	YUI_CHECK_PTR( item );
 	QIcon icon;
 
 	if ( item->hasIconName() )
 	    icon = YQUI::ui()->loadIcon( item->iconName() );
 
-        if ( item->isSeparator() )
-        {
-            parentMenu->addSeparator();
-        }
+	if ( item->isSeparator() )
+	{
+	    parentMenu->addSeparator();
+	}
 	else if ( item->isMenu() )
 	{
 	    QMenu * subMenu = parentMenu->addMenu( fromUTF8( item->label() ));
-            item->setUiItem( subMenu );
+	    item->setUiItem( subMenu );
 
 	    if ( ! icon.isNull() )
 		subMenu->setIcon( icon );
@@ -121,12 +121,12 @@ YQMenuBar::rebuildMenuTree( QMenu * parentMenu, YItemIterator begin, YItemIterat
 	}
 	else // Plain menu item (leaf item)
 	{
-            QAction * action = parentMenu->addAction( fromUTF8( item->label() ) );
-            item->setUiItem( action );
-            _actionMap[ action ] = item;
+	    QAction * action = parentMenu->addAction( fromUTF8( item->label() ) );
+	    item->setUiItem( action );
+	    _actionMap[ action ] = item;
 
-            if ( ! icon.isNull() )
-                action->setIcon( icon );
+	    if ( ! icon.isNull() )
+		action->setIcon( icon );
 	}
     }
 }
@@ -136,11 +136,11 @@ void
 YQMenuBar::menuEntryActivated( QAction * action )
 {
     if ( _actionMap.contains( action ) )
-         _selectedItem = _actionMap[ action ];
+	 _selectedItem = _actionMap[ action ];
 
     if ( _selectedItem )
     {
-        // yuiDebug() << "Selected menu entry \"" << fromUTF8( _selectedItem->label() ) << "\"" << endl;
+	// yuiDebug() << "Selected menu entry \"" << fromUTF8( _selectedItem->label() ) << "\"" << endl;
 
 	/*
 	 * Defer the real returnNow() until all popup related events have been
@@ -180,23 +180,47 @@ YQMenuBar::setItemEnabled( YMenuItem * item, bool enabled )
 
     if ( qObj )
     {
-        QMenu * menu = qobject_cast<QMenu *>( qObj );
+	QMenu * menu = qobject_cast<QMenu *>( qObj );
 
-        if ( menu )
-            menu->setEnabled( enabled );
-        else
-        {
-            QAction * action = qobject_cast<QAction *>( qObj );
+	if ( menu )
+	    menu->setEnabled( enabled );
+	else
+	{
+	    QAction * action = qobject_cast<QAction *>( qObj );
 
-            if ( action )
-                action->setEnabled( enabled );
-        }
+	    if ( action )
+		action->setEnabled( enabled );
+	}
     }
 
     YMenuWidget::setItemEnabled( item, enabled );
 }
 
 
+void
+YQMenuBar::setItemVisible( YMenuItem * item, bool visible )
+{
+    QObject * qObj = static_cast<QObject *>( item->uiItem() );
+
+    if ( qObj )
+    {
+	QMenu * menu = qobject_cast<QMenu *>( qObj );
+
+	if ( menu )
+	    menu->menuAction()->setVisible( visible );
+	else
+	{
+	    QAction * action = qobject_cast<QAction *>( qObj );
+
+	    if ( action )
+		action->setVisible( visible );
+	}
+    }
+
+    YMenuWidget::setItemVisible( item, visible );
+}
+
+
 void
 YQMenuBar::setEnabled( bool enabled )
 {
@@ -236,7 +260,7 @@ void
 YQMenuBar::activateItem( YMenuItem * item )
 {
     if ( item )
-        YQUI::ui()->sendEvent( new YMenuEvent( item ) );
+	YQUI::ui()->sendEvent( new YMenuEvent( item ) );
 }
 
 

src/YQMenuBar.h

@@ -52,7 +52,7 @@ class YQMenuBar : public QMenuBar, public YMenuBar
     /**
      * Rebuild the displayed menu tree from the internally stored YMenuItems.
      *
-     * Implemented from YMenuBar.
+     * Implemented from YMenuWidget.
      **/
     virtual void rebuildMenuTree();
 
@@ -96,6 +96,13 @@ class YQMenuBar : public QMenuBar, public YMenuBar
      **/
     virtual void setItemEnabled( YMenuItem * item, bool enabled );
 
+    /**
+     * Show or hide an item.
+     *
+     * Reimplemented from YMenuWidget.
+     **/
+    virtual void setItemVisible( YMenuItem * item, bool visible );
+
     /**
      * Activate the item selected in the tree. Can be used in tests to simulate
      * user input.