| 主页 | 所有的类 | 主要的类 | 注释的类 | 分组的类 | 函数 |  |
qevent.h
这里是qevent.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。
/**************************************************************************** ** $Id: qt/qevent.h 3.0.5 edited Oct 12 2001 $ ** ** Definition of event classes ** ** Created : 931029 ** ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. ** ** This file is part of the kernel 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 [email protected] 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 [email protected] if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #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 { // NOTE: if you get a strange compiler error on the line with "None", // it's probably because you're trying to include X11, which // has a mess of #defines in it. Put the messy X11 includes // *AFTER* the nice clean Qt includes. 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 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 Tablet = 87, // Wacom Tablet Event 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 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( const QPoint &pos, int device, int pressure, int xTilt, int yTilt, const QPair<int,int> &uId ) : QEvent( Tablet ), mPos( pos ), mDev( device ), mPress( pressure ), mXT( xTilt ), mYT( yTilt ), mType( uId.first ), mPhy( uId.second ) {} QTabletEvent( const QPoint &pos, const QPoint &globalPos, int device, int pressure, int xTilt, int yTilt, const QPair<int,int> &uId ) : QEvent( Tablet ), mPos( pos ), mGPos( globalPos ), mDev( device ), mPress( pressure ), mXT( xTilt ), mYT( yTilt ), mType( uId.first ), mPhy( uId.second ) {} 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) {} 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){} const QRect &rect() const { return rec; } const QRegion ®ion() 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 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( FALSE ), consum(FALSE), 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() { 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(FALSE) {} const QString &text() const { return txt; } int cursorPos() const { return cpos; } bool isAccepted() const { return a; } void accept() { a = TRUE; } void ignore() { a = FALSE; } private: QString txt; int cpos; bool a; }; #ifndef QT_NO_DRAGANDDROP // This class is rather closed at the moment. If you need to create your // own DND event objects, write to [email protected] 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
| Copyright © 2002 Trolltech | Trademarks | 译者:Cavendish | Qt 3.0.5版
|