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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qevent.h 3.3.8 edited Jan 11 14:38 $ +** +** Definition of event classes +** +** Created : 931029 +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel 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 QEVENT_H +#define QEVENT_H + +#ifndef QT_H +#include "qwindowdefs.h" +#include "qregion.h" +#include "qnamespace.h" +#include "qmime.h" +#include "qpair.h" +#endif // QT_H + +class Q_EXPORT QEvent: public Qt // event base class +{ +public: + enum Type { + + /* + If you get a strange compiler error on the line with None, + it's probably because you're also including X11 headers, + which #define the symbol None. Put the X11 includes after + the Qt includes to solve this problem. + */ + + None = 0, // invalid event + + + Timer = 1, // timer event + MouseButtonPress = 2, // mouse button pressed + MouseButtonRelease = 3, // mouse button released + MouseButtonDblClick = 4, // mouse button double click + MouseMove = 5, // mouse move + KeyPress = 6, // key pressed + KeyRelease = 7, // key released + FocusIn = 8, // keyboard focus received + FocusOut = 9, // keyboard focus lost + Enter = 10, // mouse enters widget + Leave = 11, // mouse leaves widget + Paint = 12, // paint widget + Move = 13, // move widget + Resize = 14, // resize widget + Create = 15, // after object creation + Destroy = 16, // during object destruction + Show = 17, // widget is shown + Hide = 18, // widget is hidden + Close = 19, // request to close widget + Quit = 20, // request to quit application + Reparent = 21, // widget has been reparented + ShowMinimized = 22, // widget is shown minimized + ShowNormal = 23, // widget is shown normal + WindowActivate = 24, // window was activated + WindowDeactivate = 25, // window was deactivated + ShowToParent = 26, // widget is shown to parent + HideToParent = 27, // widget is hidden to parent + ShowMaximized = 28, // widget is shown maximized + ShowFullScreen = 29, // widget is shown full-screen + Accel = 30, // accelerator event + Wheel = 31, // wheel event + AccelAvailable = 32, // accelerator available event + CaptionChange = 33, // caption changed + IconChange = 34, // icon changed + ParentFontChange = 35, // parent font changed + ApplicationFontChange = 36, // application font changed + ParentPaletteChange = 37, // parent palette changed + ApplicationPaletteChange = 38, // application palette changed + PaletteChange = 39, // widget palette changed + Clipboard = 40, // internal clipboard event + Speech = 42, // reserved for speech input + SockAct = 50, // socket activation + AccelOverride = 51, // accelerator override event + DeferredDelete = 52, // deferred delete event + DragEnter = 60, // drag moves into widget + DragMove = 61, // drag moves in widget + DragLeave = 62, // drag leaves or is cancelled + Drop = 63, // actual drop + DragResponse = 64, // drag accepted/rejected + ChildInserted = 70, // new child widget + ChildRemoved = 71, // deleted child widget + LayoutHint = 72, // child min/max size changed + ShowWindowRequest = 73, // widget's window should be mapped + WindowBlocked = 74, // window is about to be blocked modally + WindowUnblocked = 75, // windows modal blocking has ended + ActivateControl = 80, // ActiveX activation + DeactivateControl = 81, // ActiveX deactivation + ContextMenu = 82, // context popup menu + IMStart = 83, // input method composition start + IMCompose = 84, // input method composition + IMEnd = 85, // input method composition end + Accessibility = 86, // accessibility information is requested + TabletMove = 87, // Wacom tablet event + LocaleChange = 88, // the system locale changed + LanguageChange = 89, // the application language changed + LayoutDirectionChange = 90, // the layout direction changed + Style = 91, // internal style event + TabletPress = 92, // tablet press + TabletRelease = 93, // tablet release + OkRequest = 94, // CE (Ok) button pressed + HelpRequest = 95, // CE (?) button pressed + WindowStateChange = 96, // window state has changed + IconDrag = 97, // proxy icon dragged + User = 1000, // first user event id + MaxUser = 65535 // last user event id + }; + + + QEvent( Type type ) : t(type), posted(FALSE), spont(FALSE) {} + virtual ~QEvent(); + Type type() const { return t; } + bool spontaneous() const { return spont; } +protected: + Type t; +private: + uint posted : 1; + uint spont : 1; + + + friend class QApplication; + friend class QAccelManager; + friend class QBaseApplication; + friend class QETWidget; +}; + + +class Q_EXPORT QTimerEvent : public QEvent +{ +public: + QTimerEvent( int timerId ) + : QEvent(Timer), id(timerId) {} + int timerId() const { return id; } +protected: + int id; +}; + + +class Q_EXPORT QMouseEvent : public QEvent +{ +public: + QMouseEvent( Type type, const QPoint &pos, int button, int state ); + + QMouseEvent( Type type, const QPoint &pos, const QPoint&globalPos, + int button, int state ) + : QEvent(type), p(pos), g(globalPos), b((ushort)button),s((ushort)state),accpt(TRUE) {}; + + const QPoint &pos() const { return p; } + const QPoint &globalPos() const { return g; } + int x() const { return p.x(); } + int y() const { return p.y(); } + int globalX() const { return g.x(); } + int globalY() const { return g.y(); } + ButtonState button() const { return (ButtonState) b; } + ButtonState state() const { return (ButtonState) s; } + ButtonState stateAfter() const; + bool isAccepted() const { return accpt; } + void accept() { accpt = TRUE; } + void ignore() { accpt = FALSE; } +protected: + QPoint p; + QPoint g; + ushort b; + ushort s; + uint accpt:1; +}; + + +#ifndef QT_NO_WHEELEVENT +class Q_EXPORT QWheelEvent : public QEvent +{ +public: + QWheelEvent( const QPoint &pos, int delta, int state, Orientation orient = Vertical ); + QWheelEvent( const QPoint &pos, const QPoint& globalPos, int delta, int state, Orientation orient = Vertical ) + : QEvent(Wheel), p(pos), g(globalPos), d(delta), s((ushort)state), + accpt(TRUE), o(orient) {} + int delta() const { return d; } + const QPoint &pos() const { return p; } + const QPoint &globalPos() const { return g; } + int x() const { return p.x(); } + int y() const { return p.y(); } + int globalX() const { return g.x(); } + int globalY() const { return g.y(); } + ButtonState state() const { return ButtonState(s); } + Orientation orientation() const { return o; } + bool isAccepted() const { return accpt; } + void accept() { accpt = TRUE; } + void ignore() { accpt = FALSE; } +protected: + QPoint p; + QPoint g; + int d; + ushort s; + bool accpt; + Orientation o; +}; +#endif + +class Q_EXPORT QTabletEvent : public QEvent +{ +public: + enum TabletDevice { NoDevice = -1, Puck, Stylus, Eraser }; + QTabletEvent( Type t, const QPoint &pos, const QPoint &globalPos, int device, + int pressure, int xTilt, int yTilt, const QPair<int,int> &uId ); + QTabletEvent( const QPoint &pos, const QPoint &globalPos, int device, + int pressure, int xTilt, int yTilt, const QPair<int,int> &uId ) + : QEvent( TabletMove ), mPos( pos ), mGPos( globalPos ), mDev( device ), + mPress( pressure ), mXT( xTilt ), mYT( yTilt ), mType( uId.first ), + mPhy( uId.second ), mbAcc(TRUE) + {} + int pressure() const { return mPress; } + int xTilt() const { return mXT; } + int yTilt() const { return mYT; } + const QPoint &pos() const { return mPos; } + const QPoint &globalPos() const { return mGPos; } + int x() const { return mPos.x(); } + int y() const { return mPos.y(); } + int globalX() const { return mGPos.x(); } + int globalY() const { return mGPos.y(); } + TabletDevice device() const { return TabletDevice(mDev); } + int isAccepted() const { return mbAcc; } + void accept() { mbAcc = TRUE; } + void ignore() { mbAcc = FALSE; } + QPair<int,int> uniqueId() { return QPair<int,int>( mType, mPhy); } +protected: + QPoint mPos; + QPoint mGPos; + int mDev, + mPress, + mXT, + mYT, + mType, + mPhy; + bool mbAcc; + +}; + +class Q_EXPORT QKeyEvent : public QEvent +{ +public: + QKeyEvent( Type type, int key, int ascii, int state, + const QString& text=QString::null, bool autorep=FALSE, ushort count=1 ) + : QEvent(type), txt(text), k((ushort)key), s((ushort)state), + a((uchar)ascii), accpt(TRUE), autor(autorep), c(count) + { + if ( key >= Key_Back && key <= Key_MediaLast ) + accpt = FALSE; + } + int key() const { return k; } + int ascii() const { return a; } + ButtonState state() const { return ButtonState(s); } + ButtonState stateAfter() const; + bool isAccepted() const { return accpt; } + QString text() const { return txt; } + bool isAutoRepeat() const { return autor; } + int count() const { return int(c); } + void accept() { accpt = TRUE; } + void ignore() { accpt = FALSE; } + +protected: + QString txt; + ushort k, s; + uchar a; + uint accpt:1; + uint autor:1; + ushort c; +}; + + +class Q_EXPORT QFocusEvent : public QEvent +{ +public: + + QFocusEvent( Type type ) + : QEvent(type) {} + + bool gotFocus() const { return type() == FocusIn; } + bool lostFocus() const { return type() == FocusOut; } + + enum Reason { Mouse, Tab, Backtab, ActiveWindow, Popup, Shortcut, Other }; + static Reason reason(); + static void setReason( Reason reason ); + static void resetReason(); + +private: + static Reason m_reason; + static Reason prev_reason; +}; + + +class Q_EXPORT QPaintEvent : public QEvent +{ +public: + QPaintEvent( const QRegion& paintRegion, bool erased = TRUE) + : QEvent(Paint), + rec(paintRegion.boundingRect()), + reg(paintRegion), + erase(erased){} + QPaintEvent( const QRect &paintRect, bool erased = TRUE ) + : QEvent(Paint), + rec(paintRect), + reg(paintRect), + erase(erased){} + QPaintEvent( const QRegion &paintRegion, const QRect &paintRect, bool erased = TRUE ) + : QEvent(Paint), + rec(paintRect), + reg(paintRegion), + erase(erased){} + + const QRect &rect() const { return rec; } + const QRegion &region() const { return reg; } + bool erased() const { return erase; } +protected: + friend class QApplication; + friend class QBaseApplication; + QRect rec; + QRegion reg; + bool erase; +}; + + +class Q_EXPORT QMoveEvent : public QEvent +{ +public: + QMoveEvent( const QPoint &pos, const QPoint &oldPos ) + : QEvent(Move), p(pos), oldp(oldPos) {} + const QPoint &pos() const { return p; } + const QPoint &oldPos()const { return oldp;} +protected: + QPoint p, oldp; + friend class QApplication; + friend class QBaseApplication; +}; + + +class Q_EXPORT QResizeEvent : public QEvent +{ +public: + QResizeEvent( const QSize &size, const QSize &oldSize ) + : QEvent(Resize), s(size), olds(oldSize) {} + const QSize &size() const { return s; } + const QSize &oldSize()const { return olds;} +protected: + QSize s, olds; + friend class QApplication; + friend class QBaseApplication; +}; + + +class Q_EXPORT QCloseEvent : public QEvent +{ +public: + QCloseEvent() + : QEvent(Close), accpt(FALSE) {} + bool isAccepted() const { return accpt; } + void accept() { accpt = TRUE; } + void ignore() { accpt = FALSE; } +protected: + bool accpt; +}; + + +class Q_EXPORT QIconDragEvent : public QEvent +{ +public: + QIconDragEvent() + : QEvent(IconDrag), accpt(FALSE) {} + + bool isAccepted() const { return accpt; } + void accept() { accpt = TRUE; } + void ignore() { accpt = FALSE; } +protected: + bool accpt; +}; + +class Q_EXPORT QShowEvent : public QEvent +{ +public: + QShowEvent() + : QEvent(Show) {} +}; + + +class Q_EXPORT QHideEvent : public QEvent +{ +public: + QHideEvent() + : QEvent(Hide) {} +}; + +class Q_EXPORT QContextMenuEvent : public QEvent +{ +public: + enum Reason { Mouse, Keyboard, Other }; + QContextMenuEvent( Reason reason, const QPoint &pos, const QPoint &globalPos, int state ) + : QEvent( ContextMenu ), p( pos ), gp( globalPos ), accpt( TRUE ), consum( TRUE ), + reas( reason ), s((ushort)state) {} + QContextMenuEvent( Reason reason, const QPoint &pos, int state ); + + int x() const { return p.x(); } + int y() const { return p.y(); } + int globalX() const { return gp.x(); } + int globalY() const { return gp.y(); } + + const QPoint& pos() const { return p; } + const QPoint& globalPos() const { return gp; } + + ButtonState state() const { return (ButtonState) s; } + bool isAccepted() const { return accpt; } + bool isConsumed() const { return consum; } + void consume() { accpt = FALSE; consum = TRUE; } + void accept() { accpt = TRUE; consum = TRUE; } + void ignore() { accpt = FALSE; consum = FALSE; } + + Reason reason() const { return Reason( reas ); } + +protected: + QPoint p; + QPoint gp; + bool accpt; + bool consum; + uint reas:8; + ushort s; +}; + + +class Q_EXPORT QIMEvent : public QEvent +{ +public: + QIMEvent( Type type, const QString &text, int cursorPosition ) + : QEvent(type), txt(text), cpos(cursorPosition), a(TRUE) {} + const QString &text() const { return txt; } + int cursorPos() const { return cpos; } + bool isAccepted() const { return a; } + void accept() { a = TRUE; } + void ignore() { a = FALSE; } + int selectionLength() const; + +private: + QString txt; + int cpos; + bool a; +}; + +class Q_EXPORT QIMComposeEvent : public QIMEvent +{ +public: + QIMComposeEvent( Type type, const QString &text, int cursorPosition, + int selLength ) + : QIMEvent( type, text, cursorPosition ), selLen( selLength ) { } + +private: + int selLen; + + friend class QIMEvent; +}; + +inline int QIMEvent::selectionLength() const +{ + if ( type() != IMCompose ) return 0; + QIMComposeEvent *that = (QIMComposeEvent *) this; + return that->selLen; +} + + +#ifndef QT_NO_DRAGANDDROP + +// This class is rather closed at the moment. If you need to create your +// own DND event objects, write to qt-bugs@trolltech.com and we'll try to +// find a way to extend it so it covers your needs. + +class Q_EXPORT QDropEvent : public QEvent, public QMimeSource +{ +public: + QDropEvent( const QPoint& pos, Type typ=Drop ) + : QEvent(typ), p(pos), + act(0), accpt(0), accptact(0), resv(0), + d(0) + {} + const QPoint &pos() const { return p; } + bool isAccepted() const { return accpt || accptact; } + void accept(bool y=TRUE) { accpt = y; } + void ignore() { accpt = FALSE; } + + bool isActionAccepted() const { return accptact; } + void acceptAction(bool y=TRUE) { accptact = y; } + enum Action { Copy, Link, Move, Private, UserAction=100 }; + void setAction( Action a ) { act = (uint)a; } + Action action() const { return Action(act); } + + QWidget* source() const; + const char* format( int n = 0 ) const; + QByteArray encodedData( const char* ) const; + bool provides( const char* ) const; + + QByteArray data(const char* f) const { return encodedData(f); } + + void setPoint( const QPoint& np ) { p = np; } + +protected: + QPoint p; + uint act:8; + uint accpt:1; + uint accptact:1; + uint resv:5; + void * d; +}; + + + +class Q_EXPORT QDragMoveEvent : public QDropEvent +{ +public: + QDragMoveEvent( const QPoint& pos, Type typ=DragMove ) + : QDropEvent(pos,typ), + rect( pos, QSize( 1, 1 ) ) {} + QRect answerRect() const { return rect; } + void accept( bool y=TRUE ) { QDropEvent::accept(y); } + void accept( const QRect & r) { accpt = TRUE; rect = r; } + void ignore( const QRect & r) { accpt =FALSE; rect = r; } + void ignore() { QDropEvent::ignore(); } + +protected: + QRect rect; +}; + + +class Q_EXPORT QDragEnterEvent : public QDragMoveEvent +{ +public: + QDragEnterEvent( const QPoint& pos ) : + QDragMoveEvent(pos, DragEnter) { } +}; + + +/* An internal class */ +class Q_EXPORT QDragResponseEvent : public QEvent +{ +public: + QDragResponseEvent( bool accepted ) + : QEvent(DragResponse), a(accepted) {} + bool dragAccepted() const { return a; } +protected: + bool a; +}; + + +class Q_EXPORT QDragLeaveEvent : public QEvent +{ +public: + QDragLeaveEvent() + : QEvent(DragLeave) {} +}; + +#endif // QT_NO_DRAGANDDROP + +class Q_EXPORT QChildEvent : public QEvent +{ +public: + QChildEvent( Type type, QObject *child ) + : QEvent(type), c(child) {} + QObject *child() const { return c; } + bool inserted() const { return t == ChildInserted; } + bool removed() const { return t == ChildRemoved; } +protected: + QObject *c; +}; + + +class Q_EXPORT QCustomEvent : public QEvent +{ +public: + QCustomEvent( int type ); + QCustomEvent( Type type, void *data ) + : QEvent(type), d(data) {}; + void *data() const { return d; } + void setData( void* data ) { d = data; } +private: + void *d; +}; + +#endif // QEVENT_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> |