libyui-qt  2.43.5
/usr/src/RPM/BUILD/libyui-qt-2.43.5/src/YQContextMenu.h
00001 /*
00002   Copyright (C) 2000-2012 Novell, Inc
00003   This library is free software; you can redistribute it and/or modify
00004   it under the terms of the GNU Lesser General Public License as
00005   published by the Free Software Foundation; either version 2.1 of the
00006   License, or (at your option) version 3.0 of the License. This library
00007   is distributed in the hope that it will be useful, but WITHOUT ANY
00008   WARRANTY; without even the implied warranty of MERCHANTABILITY or
00009   FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
00010   License for more details. You should have received a copy of the GNU
00011   Lesser General Public License along with this library; if not, write
00012   to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
00013   Floor, Boston, MA 02110-1301 USA
00014 */
00015 
00016 
00017 /*-/
00018 
00019   File:       YQContextMenu.h
00020 
00021   Author:     Thomas Goettlicher <tgoettlicher@suse.de>
00022 
00023 /-*/
00024 
00025 
00026 #ifndef YQContextMenu_h
00027 #define YQContextMenu_h
00028 
00029 #include <qwidget.h>
00030 #include <yui/YContextMenu.h>
00031 #include <QHash>
00032 
00033 class QAction;
00034 class QPushButton;
00035 class QMenu;
00036 
00037 class YQContextMenu : public QObject,  public YContextMenu
00038 {
00039     Q_OBJECT
00040 
00041 public:
00042     /**
00043      * Constructor.
00044      **/
00045 //    YQContextMenu( YWidget *          parent,
00046 //                const std::string &   label );
00047     YQContextMenu( );
00048     YQContextMenu( const QPoint position );
00049 
00050 
00051     /**
00052      * Destructor.
00053      **/
00054     virtual ~YQContextMenu();
00055 
00056     /**
00057      * Change the label on the button.
00058      *
00059      * Reimplemented from YContextMenu / YSelectionWidget.
00060      **/
00061 //    virtual void setLabel( const std::string & label );
00062 
00063     /**
00064      * Rebuild the displayed menu tree from the internally stored YMenuItems.
00065      *
00066      * Implemented from YContextMenu.
00067      **/
00068     virtual void rebuildMenuTree();
00069 
00070     /**
00071      * Preferred width of the widget.
00072      *
00073      * Reimplemented from YWidget.
00074      **/
00075     virtual int preferredWidth();
00076 
00077     /**
00078      * Preferred height of the widget.
00079      *
00080      * Reimplemented from YWidget.
00081      **/
00082     virtual int preferredHeight();
00083 
00084     /**
00085      * Set the new size of the widget.
00086      *
00087      * Reimplemented from YWidget.
00088      **/
00089     virtual void setSize( int newWidth, int newHeight );
00090 
00091 
00092 protected slots:
00093 
00094     /**
00095      * Triggered when any menu item is activated.
00096      **/
00097     void menuEntryActivated( QAction * menuItem );
00098 
00099     /**
00100      * Triggered via menuEntryActivated() by zero timer to get back in sync
00101      * with the Qt event loop.
00102      **/
00103     void returnNow();
00104 
00105     /**
00106      * Triggered when the context menu is hidden
00107      **/
00108     void slotMenuHidden();
00109 
00110     /**
00111      * Triggered via slotMenuHidden() by zero timer to get back in sync
00112      * with the Qt event loop.
00113      **/
00114     void slotReturnMenuHidden();
00115 
00116 
00117 
00118 
00119 protected:
00120 
00121     /**
00122      * Recursively insert menu items into 'menu' from iterator 'begin' to iterator 'end'.
00123      **/
00124     void rebuildMenuTree( QMenu * menu, YItemIterator begin, YItemIterator end );
00125 
00126 
00127     //
00128     // Data members
00129     //
00130 
00131     YMenuItem *         _selectedItem;
00132     QPushButton *       _qt_button;
00133     QHash<QAction*,int> _serials;
00134 
00135 
00136 private:
00137     QPoint              _position;
00138     bool                _suppressCancelEvent;
00139 
00140 };
00141 
00142 #endif // YQContextMenu_h
 All Classes Functions Variables