/****************************************************************************

**

** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtCore module of the Qt Toolkit.

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** $QT_BEGIN_LICENSE:LGPL$

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this

** file. Please review the following information to ensure the GNU Lesser

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**

** In addition, as a special exception, Nokia gives you certain additional

** rights. These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU General

** Public License version 3.0 as published by the Free Software Foundation

** and appearing in the file LICENSE.GPL included in the packaging of this

** file. Please review the following information to ensure the GNU General

** Public License version 3.0 requirements will be met:

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** $QT_END_LICENSE$

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****************************************************************************/

#ifndef QCOREEVENT_H

#define QCOREEVENT_H

#include <QtCore/qnamespace.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qobjectdefs.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QEventPrivate;

class Q_CORE_EXPORT QEvent           // event base class

{

    Q_GADGET

    QDOC_PROPERTY(bool accepted READ isAccepted WRITE setAccepted)

    Q_ENUMS(Type)

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 widget creation

        Destroy = 16,                           // during widget destruction

        Show = 17,                              // widget is shown

        Hide = 18,                              // widget is hidden

        Close = 19,                             // request to close widget

        Quit = 20,                              // request to quit application

        ParentChange = 21,                      // widget has been reparented

        ParentAboutToChange = 131,              // sent just before the parent change is done

#ifdef QT3_SUPPORT

        Reparent = ParentChange,

#endif

        ThreadChange = 22,                      // object has changed threads

        WindowActivate = 24,                    // window was activated

        WindowDeactivate = 25,                  // window was deactivated

        ShowToParent = 26,                      // widget is shown to parent

        HideToParent = 27,                      // widget is hidden to parent

        Wheel = 31,                             // wheel event

        WindowTitleChange = 33,                 // window title changed

        WindowIconChange = 34,                  // icon changed

        ApplicationWindowIconChange = 35,       // application icon changed

        ApplicationFontChange = 36,             // application font changed

        ApplicationLayoutDirectionChange = 37,  // application layout direction changed

        ApplicationPaletteChange = 38,          // application palette changed

        PaletteChange = 39,                     // widget palette changed

        Clipboard = 40,                         // internal clipboard event

        Speech = 42,                            // reserved for speech input

        MetaCall =  43,                         // meta call event

        SockAct = 50,                           // socket activation

        WinEventAct = 132,                      // win event activation

        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

        ChildAdded = 68,                        // new child widget

        ChildPolished = 69,                     // polished child widget

#ifdef QT3_SUPPORT

        ChildInsertedRequest = 67,              // send ChildInserted compatibility events to receiver

        ChildInserted = 70,                     // compatibility child inserted

        LayoutHint = 72,                        // compatibility relayout request

#endif

        ChildRemoved = 71,                      // deleted child widget

        ShowWindowRequest = 73,                 // widget's window should be mapped

        PolishRequest = 74,                     // widget should be polished

        Polish = 75,                            // widget is polished

        LayoutRequest = 76,                     // widget should be relayouted

        UpdateRequest = 77,                     // widget should be repainted

        UpdateLater = 78,                       // request update() later

        EmbeddingControl = 79,                  // ActiveX embedding

        ActivateControl = 80,                   // ActiveX activation

        DeactivateControl = 81,                 // ActiveX deactivation

        ContextMenu = 82,                       // context popup menu

        InputMethod = 83,                       // input method

        AccessibilityPrepare = 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

        IconDrag = 96,                          // proxy icon dragged

        FontChange = 97,                        // font has changed

        EnabledChange = 98,                     // enabled state has changed

        ActivationChange = 99,                  // window activation has changed

        StyleChange = 100,                      // style has changed

        IconTextChange = 101,                   // icon text has changed

        ModifiedChange = 102,                   // modified state has changed

        MouseTrackingChange = 109,              // mouse tracking state has changed

        WindowBlocked = 103,                    // window is about to be blocked modally

        WindowUnblocked = 104,                  // windows modal blocking has ended

        WindowStateChange = 105,

        ToolTip = 110,

        WhatsThis = 111,

        StatusTip = 112,

        ActionChanged = 113,

        ActionAdded = 114,

        ActionRemoved = 115,

        FileOpen = 116,                         // file open request

        Shortcut = 117,                         // shortcut triggered

        ShortcutOverride = 51,                  // shortcut override request

#ifdef QT3_SUPPORT

        Accel = 30,                             // accelerator event

        AccelAvailable = 32,                    // accelerator available event

        AccelOverride = ShortcutOverride,       // accelerator override event

#endif

        WhatsThisClicked = 118,

#ifdef QT3_SUPPORT

        CaptionChange = WindowTitleChange,

        IconChange = WindowIconChange,

#endif

        ToolBarChange = 120,                    // toolbar visibility toggled

        ApplicationActivate = 121,              // application has been changed to active

        ApplicationActivated = ApplicationActivate, // deprecated

        ApplicationDeactivate = 122,            // application has been changed to inactive

        ApplicationDeactivated = ApplicationDeactivate, // deprecated

        QueryWhatsThis = 123,                   // query what's this widget help

        EnterWhatsThisMode = 124,

        LeaveWhatsThisMode = 125,

        ZOrderChange = 126,                     // child widget has had its z-order changed

        HoverEnter = 127,                       // mouse cursor enters a hover widget

        HoverLeave = 128,                       // mouse cursor leaves a hover widget

        HoverMove = 129,                        // mouse cursor move inside a hover widget

        AccessibilityHelp = 119,                // accessibility help text request

        AccessibilityDescription = 130,         // accessibility description text request

        // last event id used = 132

#ifdef QT_KEYPAD_NAVIGATION

        EnterEditFocus = 150,                   // enter edit mode in keypad navigation (Defined only with QT_KEYPAD_NAVIGATION)

        LeaveEditFocus = 151,                   // leave edit mode in keypad navigation (Defined only with QT_KEYPAD_NAVIGATION)

#endif

        AcceptDropsChange = 152,

        MenubarUpdated = 153,                    // Support event for Q3MainWindow, which needs to

                                                 // knwow when QMenubar is updated.

        ZeroTimerEvent = 154,                   // Used for Windows Zero timer events

        GraphicsSceneMouseMove = 155,           // GraphicsView

        GraphicsSceneMousePress = 156,

        GraphicsSceneMouseRelease = 157,

        GraphicsSceneMouseDoubleClick = 158,

        GraphicsSceneContextMenu = 159,

        GraphicsSceneHoverEnter = 160,

        GraphicsSceneHoverMove = 161,

        GraphicsSceneHoverLeave = 162,

        GraphicsSceneHelp = 163,

        GraphicsSceneDragEnter = 164,

        GraphicsSceneDragMove = 165,

        GraphicsSceneDragLeave = 166,

        GraphicsSceneDrop = 167,

        GraphicsSceneWheel = 168,

        KeyboardLayoutChange = 169,             // keyboard layout changed

        DynamicPropertyChange = 170,            // A dynamic property was changed through setProperty/property

        TabletEnterProximity = 171,

        TabletLeaveProximity = 172,

        NonClientAreaMouseMove = 173,

        NonClientAreaMouseButtonPress = 174,

        NonClientAreaMouseButtonRelease = 175,

        NonClientAreaMouseButtonDblClick = 176,

        MacSizeChange = 177,                    // when the Qt::WA_Mac{Normal,Small,Mini}Size changes

        ContentsRectChange = 178,               // sent by QWidget::setContentsMargins (internal)

        MacGLWindowChange = 179,                // Internal! the window of the GLWidget has changed

        FutureCallOut = 180,

        GraphicsSceneResize  = 181,

        GraphicsSceneMove  = 182,

        CursorChange = 183,

        ToolTipChange = 184,

        NetworkReplyUpdated = 185,              // Internal for QNetworkReply

        GrabMouse = 186,

        UngrabMouse = 187,

        GrabKeyboard = 188,

        UngrabKeyboard = 189,

        MacGLClearDrawable = 191,               // Internal Cocoa, the window has changed, so we must clear

        StateMachineSignal = 192,

        StateMachineWrapped = 193,

        TouchBegin = 194,

        TouchUpdate = 195,

        TouchEnd = 196,

#ifndef QT_NO_GESTURES

        NativeGesture = 197,                    // Internal for platform gesture support

#endif

        RequestSoftwareInputPanel = 199,

        CloseSoftwareInputPanel = 200,

        UpdateSoftKeys = 201,                   // Internal for compressing soft key updates

        WinIdChange = 203,

#ifndef QT_NO_GESTURES

        Gesture = 198,

        GestureOverride = 202,

#endif

        // 512 reserved for Qt Jambi's MetaCall event

        // 513 reserved for Qt Jambi's DeleteOnMainThread event

        User = 1000,                            // first user event id

        MaxUser = 65535                         // last user event id

    };

    QEvent(Type type);

    virtual ~QEvent();

    inline Type type() const { return static_cast<Type>(t); }

    inline bool spontaneous() const { return spont; }

    inline void setAccepted(bool accepted) { m_accept = accepted; }

    inline bool isAccepted() const { return m_accept; }

    inline void accept() { m_accept = true; }

    inline void ignore() { m_accept = false; }

    static int registerEventType(int hint = -1);

protected:

    QEventPrivate *d;

    ushort t;

private:

    ushort posted : 1;

    ushort spont : 1;

    ushort m_accept : 1;

    ushort reserved : 13;

    friend class QCoreApplication;

    friend class QCoreApplicationPrivate;

    friend class QThreadData;

    friend class QApplication;

    friend class QApplicationPrivate;

    friend class Q3AccelManager;

    friend class QShortcutMap;

    friend class QETWidget;

    friend class QGraphicsView;

    friend class QGraphicsViewPrivate;

    friend class QGraphicsScene;

    friend class QGraphicsScenePrivate;

#ifndef QT_NO_GESTURES

    friend class QGestureManager;

#endif

};

class Q_CORE_EXPORT QTimerEvent : public QEvent

{

public:

    QTimerEvent( int timerId );

    ~QTimerEvent();

    int timerId() const { return id; }

protected:

    int id;

};

class QObject;

class Q_CORE_EXPORT QChildEvent : public QEvent

{

public:

    QChildEvent( Type type, QObject *child );

    ~QChildEvent();

    QObject *child() const { return c; }

    bool added() const { return type() == ChildAdded; }

#ifdef QT3_SUPPORT

    QT3_SUPPORT bool inserted() const { return type() == ChildInserted; }

#endif

    bool polished() const { return type() == ChildPolished; }

    bool removed() const { return type() == ChildRemoved; }

protected:

    QObject *c;

};

#ifdef QT3_SUPPORT

class Q_CORE_EXPORT QCustomEvent : public QEvent

{

public:

    QT3_SUPPORT_CONSTRUCTOR QCustomEvent(int type, void *data = 0);

    ~QCustomEvent();

    QT3_SUPPORT void *data()  const { return d; }

    QT3_SUPPORT void setData(void* aData) { d = reinterpret_cast<QEventPrivate *>(aData); }

};

#endif

class Q_CORE_EXPORT QDynamicPropertyChangeEvent : public QEvent

{

public:

    QDynamicPropertyChangeEvent(const QByteArray &name);

    ~QDynamicPropertyChangeEvent();

    inline QByteArray propertyName() const { return n; }

private:

    QByteArray n;

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QCOREEVENT_H