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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qpopupmenu.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of QPopupMenu class +** +** Created : 941128 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the widgets module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General Public +** License versions 2.0 or 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Alternatively you may (at your option) use any +** later version of the GNU General Public License if such license has +** been publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QPOPUPMENU_H +#define QPOPUPMENU_H + +#ifndef QT_H +#include "qframe.h" +#include "qmenudata.h" +#endif // QT_H + +#ifndef QT_NO_POPUPMENU +class QPopupMenuPrivate; + +class Q_EXPORT QPopupMenu : public QFrame, public QMenuData +{ + 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 = -1 ); // open + void updateItem( int id ); + + virtual void setCheckable( bool ); + bool isCheckable() const; + + void setFont( const QFont & ); + void show(); + void hide(); + + int exec(); + int exec( const QPoint & pos, int indexAtPoint = 0 ); // modal + + 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 ); + QRect itemGeometry( int index ); + + +signals: + 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 leaveEvent( QEvent * ); + void styleChange( QStyle& ); + void enabledChange( bool ); + int columns() const; + + bool focusNextPrevChild( bool next ); + + int itemAtPos( const QPoint &, bool ignoreSeparator = TRUE ) const; + +private slots: + void subActivated( int itemId ); + void subHighlighted( int itemId ); +#ifndef QT_NO_ACCEL + void accelActivated( int itemId ); + void accelDestroyed(); +#endif + void popupDestroyed( QObject* ); + void modalActivation( int ); + + void subMenuTimer(); + void subScrollTimer(); + void allowAnimation(); + void toggleTearOff(); + + void performDelayedChanges(); + +private: + void updateScrollerState(); + void menuContentsChanged(); + void menuStateChanged(); + void performDelayedContentsChanged(); + void performDelayedStateChanged(); + 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(); + + QSize updateSize(bool force_recalc=FALSE, bool do_resize=TRUE); + void updateRow( int row ); +#ifndef QT_NO_ACCEL + void updateAccel( QWidget * ); + void enableAccel( bool ); +#endif + QPopupMenuPrivate *d; +#ifndef QT_NO_ACCEL + QAccel *autoaccel; +#endif + +#if defined(Q_WS_MAC) && !defined(QMAC_QMENUBAR_NO_NATIVE) + bool macPopupMenu(const QPoint &, int); + uint mac_dirty_popup : 1; +#endif + + int popupActive; + int tab; + uint accelDisabled : 1; + uint checkable : 1; + uint connectModalRecursionSafety : 1; + uint tornOff : 1; + uint pendingDelayedContentsChanges : 1; + uint pendingDelayedStateChanges : 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> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |