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src/qt/include/qmenubar.h
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00001 /****************************************************************************
00002 ** $Id: qt/qmenubar.h   3.3.8   edited Jan 16 10:55 $
00003 **
00004 ** Definition of QMenuBar class
00005 **
00006 ** Created : 941209
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the widgets module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QMENUBAR_H
00039 #define QMENUBAR_H
00040 
00041 #ifndef QT_H
00042 #include "qpopupmenu.h" // ### remove or keep for users' convenience?
00043 #include "qframe.h"
00044 #include "qmenudata.h"
00045 #endif // QT_H
00046 
00047 #ifndef QT_NO_MENUBAR
00048 
00049 class QPopupMenu;
00050 
00051 class Q_EXPORT QMenuBar : public QFrame, public QMenuData
00052 {
00053     Q_OBJECT
00054     Q_ENUMS( Separator )
00055     Q_PROPERTY( Separator separator READ separator WRITE setSeparator DESIGNABLE false )
00056     Q_PROPERTY( bool defaultUp READ isDefaultUp WRITE setDefaultUp )
00057 
00058 public:
00059     QMenuBar( QWidget* parent=0, const char* name=0 );
00060     ~QMenuBar();
00061 
00062     void        updateItem( int id );
00063 
00064     void        show();                         // reimplemented show
00065     void        hide();                         // reimplemented hide
00066 
00067     bool        eventFilter( QObject *, QEvent * );
00068 
00069     int         heightForWidth(int) const;
00070 
00071     enum        Separator { Never=0, InWindowsStyle=1 };
00072     Separator   separator() const;
00073     virtual void        setSeparator( Separator when );
00074 
00075     void        setDefaultUp( bool );
00076     bool        isDefaultUp() const;
00077 
00078     bool customWhatsThis() const;
00079 
00080     QSize sizeHint() const;
00081     QSize minimumSize() const;
00082     QSize minimumSizeHint() const;
00083 
00084     void activateItemAt( int index );
00085 
00086 #if defined(Q_WS_MAC) && !defined(QMAC_QMENUBAR_NO_NATIVE)
00087     static void initialize();
00088     static void cleanup();
00089 #endif
00090 
00091 signals:
00092     void        activated( int itemId );
00093     void        highlighted( int itemId );
00094 
00095 protected:
00096     void        drawContents( QPainter * );
00097     void        fontChange( const QFont & );
00098     void        mousePressEvent( QMouseEvent * );
00099     void        mouseReleaseEvent( QMouseEvent * );
00100     void        mouseMoveEvent( QMouseEvent * );
00101     void        keyPressEvent( QKeyEvent * );
00102     void        focusInEvent( QFocusEvent * );
00103     void        focusOutEvent( QFocusEvent * );
00104     void        resizeEvent( QResizeEvent * );
00105     void        leaveEvent( QEvent * );
00106     void        menuContentsChanged();
00107     void        menuStateChanged();
00108     void        styleChange( QStyle& );
00109     int itemAtPos( const QPoint & );
00110     void        hidePopups();
00111     QRect       itemRect( int item );
00112 
00113 private slots:
00114     void        subActivated( int itemId );
00115     void        subHighlighted( int itemId );
00116 #ifndef QT_NO_ACCEL
00117     void        accelActivated( int itemId );
00118     void        accelDestroyed();
00119 #endif
00120     void        popupDestroyed( QObject* );
00121     void        performDelayedChanges();
00122 
00123     void        languageChange();
00124 
00125 private:
00126     void        performDelayedContentsChanged();
00127     void        performDelayedStateChanged();
00128     void        menuInsPopup( QPopupMenu * );
00129     void        menuDelPopup( QPopupMenu * );
00130     void        frameChanged();
00131 
00132     bool        tryMouseEvent( QPopupMenu *, QMouseEvent * );
00133     void        tryKeyEvent( QPopupMenu *, QKeyEvent * );
00134     void        goodbye( bool cancelled = FALSE );
00135     void        openActPopup();
00136 
00137     void setActiveItem( int index, bool show = TRUE, bool activate_first_item = TRUE );
00138     void setAltMode( bool );
00139 
00140     int         calculateRects( int max_width = -1 );
00141 
00142 #ifndef QT_NO_ACCEL
00143     void        setupAccelerators();
00144     QAccel     *autoaccel;
00145 #endif
00146     QRect      *irects;
00147     int         rightSide;
00148 
00149     uint        mseparator : 1;
00150     uint        waitforalt : 1;
00151     uint        popupvisible  : 1;
00152     uint        hasmouse : 1;
00153     uint        defaultup : 1;
00154     uint        toggleclose : 1;
00155     uint        pendingDelayedContentsChanges : 1;
00156     uint        pendingDelayedStateChanges : 1;
00157 
00158     friend class QPopupMenu;
00159 
00160 #if defined(Q_WS_MAC) && !defined(QMAC_QMENUBAR_NO_NATIVE)
00161     friend class QWidget;
00162     friend class QApplication;
00163     friend void qt_mac_set_modal_state(bool, QMenuBar *);
00164 
00165     void macCreateNativeMenubar();
00166     void macRemoveNativeMenubar();
00167     void macDirtyNativeMenubar();
00168 
00169 #if !defined(QMAC_QMENUBAR_NO_EVENT)
00170     static void qt_mac_install_menubar_event(MenuRef);
00171     static OSStatus qt_mac_menubar_event(EventHandlerCallRef, EventRef, void *);
00172 #endif
00173     virtual void macWidgetChangedWindow();
00174     bool syncPopups(MenuRef ret, QPopupMenu *d);
00175     MenuRef createMacPopup(QPopupMenu *d, int id, bool =FALSE);
00176     bool updateMenuBar();
00177 #if !defined(QMAC_QMENUBAR_NO_MERGE)
00178     uint isCommand(QMenuItem *, bool just_check=FALSE);
00179 #endif
00180 
00181     uint mac_eaten_menubar : 1;
00182     class MacPrivate;
00183     MacPrivate *mac_d;
00184     static bool activate(MenuRef, short, bool highlight=FALSE, bool by_accel=FALSE);
00185     static bool activateCommand(uint cmd);
00186     static bool macUpdateMenuBar();
00187     static bool macUpdatePopupVisible(MenuRef, bool);
00188     static bool macUpdatePopup(MenuRef);
00189 #endif
00190 
00191 private:        // Disabled copy constructor and operator=
00192 
00193 #if defined(Q_DISABLE_COPY)
00194     QMenuBar( const QMenuBar & );
00195     QMenuBar &operator=( const QMenuBar & );
00196 #endif
00197 };
00198 
00199 
00200 #endif // QT_NO_MENUBAR
00201 
00202 #endif // QMENUBAR_H
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