qpopupmenu-h.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qpopupmenu.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qpopupmenu.h</h1><br clear="all">This is the verbatim text of the qpopupmenu.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/widgets/qpopupmenu.h 2.3.8 edited 2004-05-12 $**** Definition of QPopupMenu class**** Created : 941128**** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.**** This file is part of the widgets module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition** licenses may use this file in accordance with the Qt Commercial License** Agreement provided with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QPOPUPMENU_H#define QPOPUPMENU_H#ifndef QT_H#include "qframe.h"#include "qmenudata.h"#endif // QT_H#ifndef QT_NO_POPUPMENUclass Q_EXPORT <a href="qpopupmenu.html">QPopupMenu</a> : public <a href="qframe.html">QFrame</a>, public <a href="qmenudata.html">QMenuData</a>{ Q_OBJECT Q_PROPERTY( bool checkable READ isCheckable WRITE setCheckable )public: QPopupMenu( QWidget *parent=0, const char *name=0 ); ~QPopupMenu(); void popup( const QPoint & pos, int indexAtPoint = 0 );// open popup void updateItem( int id ); virtual void setCheckable( bool ); bool isCheckable() const; void setFont( const QFont & ); // reimplemented set font void show(); // reimplemented show void hide(); // reimplemented hide int exec(); int exec( const QPoint & pos, int indexAtPoint = 0 );// modal popup virtual void setActiveItem( int ); QSize sizeHint() const; int idAt( int index ) const { return QMenuData::idAt( index ); } int idAt( const QPoint& pos ) const; bool customWhatsThis() const; int insertTearOffHandle( int id=-1, int index=-1 ); void activateItemAt( int index ); // ### virtual in QMenuData 3.0signals: void activated( int itemId ); void highlighted( int itemId ); void activatedRedirect( int itemId );// to parent menu void highlightedRedirect( int itemId ); void aboutToShow(); void aboutToHide();protected: int itemHeight( int ) const; int itemHeight( QMenuItem* mi ) const; void drawItem( QPainter* p, int tab, QMenuItem* mi, bool act, int x, int y, int w, int h); void drawContents( QPainter * ); void closeEvent( QCloseEvent *e ); void paintEvent( QPaintEvent * ); void mousePressEvent( QMouseEvent * ); void mouseReleaseEvent( QMouseEvent * ); void mouseMoveEvent( QMouseEvent * ); void keyPressEvent( QKeyEvent * ); void focusInEvent( QFocusEvent * ); void focusOutEvent( QFocusEvent * ); void timerEvent( QTimerEvent * ); void styleChange( QStyle& ); int columns() const; bool focusNextPrevChild( bool next );private slots: void subActivated( int itemId ); void subHighlighted( int itemId );#ifndef QT_NO_ACCEL void accelActivated( int itemId ); void accelDestroyed();#endif void modalActivation( int ); void subMenuTimer(); void allowAnimation(); void toggleTearOff();private: void menuContentsChanged(); void menuStateChanged(); void menuInsPopup( QPopupMenu * ); void menuDelPopup( QPopupMenu * ); void frameChanged(); void actSig( int, bool = FALSE ); void hilitSig( int ); virtual void setFirstItemActive(); void hideAllPopups(); void hidePopups(); bool tryMenuBar( QMouseEvent * ); void byeMenuBar(); int itemAtPos( const QPoint & ) const; QRect itemGeometry( int index ); // ## protected in 3.0 void updateSize(); void updateRow( int row );#ifndef QT_NO_ACCEL void updateAccel( QWidget * ); void enableAccel( bool );#endif QMenuItem *selfItem;#ifndef QT_NO_ACCEL QAccel *autoaccel;#endif int popupActive; int tab; uint accelDisabled : 1; uint checkable : 1; uint connectModalRecursionSafety : 1; uint tornOff : 1; int maxPMWidth; int ncols; bool snapToMouse; bool tryMouseEvent( QPopupMenu *, QMouseEvent * ); friend class QMenuData; friend class QMenuBar; void connectModal(QPopupMenu* receiver, bool doConnect);private: // Disabled copy constructor and operator=#if defined(Q_DISABLE_COPY) QPopupMenu( const QPopupMenu & ); QPopupMenu &operator=( const QPopupMenu & );#endif};#endif // QT_NO_POPUPMENU#endif // QPOPUPMENU_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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