qevent.h

qt-x11-opensource-src-4.1.4.tar.gz源码

    QShowEvent();
    ~QShowEvent();
};


class Q_GUI_EXPORT QHideEvent : public QEvent
{
public:
    QHideEvent();
    ~QHideEvent();
};


class Q_GUI_EXPORT QContextMenuEvent : public QInputEvent
{
public:
    enum Reason { Mouse, Keyboard, Other };

    QContextMenuEvent(Reason reason, const QPoint &pos, const QPoint &globalPos);
    QContextMenuEvent(Reason reason, const QPoint &pos);
    ~QContextMenuEvent();

    inline int x() const { return p.x(); }
    inline int y() const { return p.y(); }
    inline int globalX() const { return gp.x(); }
    inline int globalY() const { return gp.y(); }

    inline const QPoint& pos() const { return p; }
    inline const QPoint& globalPos() const { return gp; }

    inline Reason reason() const { return Reason(reas); }

#ifdef QT3_SUPPORT
    QT3_SUPPORT_CONSTRUCTOR QContextMenuEvent(Reason reason, const QPoint &pos, const QPoint &globalPos, int);
    QT3_SUPPORT_CONSTRUCTOR QContextMenuEvent(Reason reason, const QPoint &pos, int);

    QT3_SUPPORT Qt::ButtonState state() const;
#endif
protected:
    QPoint p;
    QPoint gp;
    uint reas : 8;
};

class Q_GUI_EXPORT QInputMethodEvent : public QEvent
{
public:
    enum AttributeType {
       TextFormat,
       Cursor,
       Language,
       Ruby
    };
    class Attribute {
    public:
        Attribute(AttributeType t, int s, int l, QVariant val) : type(t), start(s), length(l), value(val) {}
        AttributeType type;

        int start;
        int length;
        QVariant value;
    };
    QInputMethodEvent();
    QInputMethodEvent(const QString &preeditText, const QList<Attribute> &attributes);
    void setCommitString(const QString &commitString, int replaceFrom = 0, int replaceLength = 0);

    inline const QList<Attribute> &attributes() const { return attrs; }
    inline const QString &preeditString() const { return preedit; }

    inline const QString &commitString() const { return commit; }
    inline int replacementStart() const { return replace_from; }
    inline int replacementLength() const { return replace_length; }

    QInputMethodEvent(const QInputMethodEvent &other);

private:
    QString preedit;
    QList<Attribute> attrs;
    QString commit;
    int replace_from;
    int replace_length;
};

#ifndef QT_NO_DRAGANDDROP

class QMimeData;

class Q_GUI_EXPORT QDropEvent : public QEvent
// QT3_SUPPORT
                              , public QMimeSource
// END QT3_SUPPORT
{
public:
    QDropEvent(const QPoint& pos, Qt::DropActions actions, const QMimeData *data,
               Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers, Type type = Drop);
    ~QDropEvent();

    inline const QPoint &pos() const { return p; }
    inline Qt::MouseButtons mouseButtons() const { return mouseState; }
    inline Qt::KeyboardModifiers keyboardModifiers() const { return modState; }

    inline Qt::DropActions possibleActions() const { return act; }
    inline Qt::DropAction proposedAction() const { return default_action; }
    inline void acceptProposedAction() { drop_action = default_action; accept(); }

    inline Qt::DropAction dropAction() const { return drop_action; }
    void setDropAction(Qt::DropAction action);

    QWidget* source() const;
    inline const QMimeData *mimeData() const { return mdata; }

// QT3_SUPPORT
    const char* format(int n = 0) const;
    QByteArray encodedData(const char*) const;
    bool provides(const char*) const;
// END QT3_SUPPORT
#ifdef QT3_SUPPORT
    inline void accept() { QEvent::accept(); }
    inline QT3_SUPPORT void accept(bool y) { setAccepted(y); }
    inline QT3_SUPPORT QByteArray data(const char* f) const { return encodedData(f); }

    enum Action { Copy, Link, Move, Private, UserAction = Private };
    QT3_SUPPORT Action action() const;
    inline QT3_SUPPORT void acceptAction(bool y = true)  { if (y) { drop_action = default_action; accept(); } }
    inline QT3_SUPPORT void setPoint(const QPoint& np) { p = np; }
#endif


protected:
    friend class QApplication;
    QPoint p;
    Qt::MouseButtons mouseState;
    Qt::KeyboardModifiers modState;
    Qt::DropActions act;
    Qt::DropAction drop_action;
    Qt::DropAction default_action;
    const QMimeData *mdata;
    mutable QList<QByteArray> fmts; // only used for QT3_SUPPORT
};


class Q_GUI_EXPORT QDragMoveEvent : public QDropEvent
{
public:
    QDragMoveEvent(const QPoint &pos, Qt::DropActions actions, const QMimeData *data,
                   Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers, Type type = DragMove);
    ~QDragMoveEvent();

    inline QRect answerRect() const { return rect; }

    inline void accept() { QDropEvent::accept(); }
    inline void ignore() { QDropEvent::ignore(); }

    inline void accept(const QRect & r) { accept(); rect = r; }
    inline void ignore(const QRect & r) { ignore(); rect = r; }

#ifdef QT3_SUPPORT
    inline QT3_SUPPORT void accept(bool y) { setAccepted(y); }
#endif

protected:
    friend class QApplication;
    QRect rect;
};


class Q_GUI_EXPORT QDragEnterEvent : public QDragMoveEvent
{
public:
    QDragEnterEvent(const QPoint &pos, Qt::DropActions actions, const QMimeData *data,
                    Qt::MouseButtons buttons, Qt::KeyboardModifiers modifiers);
    ~QDragEnterEvent();
};


/* An internal class */
class Q_GUI_EXPORT QDragResponseEvent : public QEvent
{
public:
    QDragResponseEvent(bool accepted);
    ~QDragResponseEvent();

    inline bool dragAccepted() const { return a; }
protected:
    bool a;
};


class Q_GUI_EXPORT QDragLeaveEvent : public QEvent
{
public:
    QDragLeaveEvent();
    ~QDragLeaveEvent();
};
#endif // QT_NO_DRAGANDDROP


class Q_GUI_EXPORT QHelpEvent : public QEvent
{
public:
    QHelpEvent(Type type, const QPoint &pos, const QPoint &globalPos);
    ~QHelpEvent();

    inline int x() const { return p.x(); }
    inline int y() const { return p.y(); }
    inline int globalX() const { return gp.x(); }
    inline int globalY() const { return gp.y(); }

    inline const QPoint& pos()  const { return p; }
    inline const QPoint& globalPos() const { return gp; }

private:
    QPoint p;
    QPoint gp;
};


class Q_GUI_EXPORT QStatusTipEvent : public QEvent
{
public:
    QStatusTipEvent(const QString &tip);
    ~QStatusTipEvent();

    inline QString tip() const { return s; }
private:
    QString s;
};

class Q_GUI_EXPORT QWhatsThisClickedEvent : public QEvent
{
public:
    QWhatsThisClickedEvent(const QString &href);
    ~QWhatsThisClickedEvent();

    inline QString href() const { return s; }
private:
    QString s;
};


class Q_GUI_EXPORT QActionEvent : public QEvent
{
    QAction *act, *bef;
public:
    QActionEvent(int type, QAction *action, QAction *before = 0);
    ~QActionEvent();

    inline QAction *action() const { return act; }
    inline QAction *before() const { return bef; }
};


class Q_GUI_EXPORT QFileOpenEvent : public QEvent
{
public:
    QFileOpenEvent(const QString &file);
    ~QFileOpenEvent();

    inline QString file() const { return f; }
private:
    QString f;
};

class Q_GUI_EXPORT QToolBarChangeEvent : public QEvent
{
public:
    QToolBarChangeEvent(bool t);
    ~QToolBarChangeEvent();

    inline bool toggle() const { return tog; }
private:
    uint tog : 1;
};

class Q_GUI_EXPORT QShortcutEvent : public QEvent
{
public:
    QShortcutEvent(const QKeySequence &key, int id, bool ambiguous = false);
    ~QShortcutEvent();

    inline const QKeySequence &key() { return sequence; }
    inline int shortcutId() { return sid; }
    inline bool isAmbiguous() { return ambig; }
protected:
    QKeySequence sequence;
    bool ambig;
    int  sid;
};

class Q_GUI_EXPORT QClipboardEvent : public QEvent
{
public:
    QClipboardEvent(QEventPrivate *data);
    ~QClipboardEvent();

    QEventPrivate *data() { return d; };
};

class Q_GUI_EXPORT QWindowStateChangeEvent: public QEvent
{
public:
    QWindowStateChangeEvent(Qt::WindowStates aOldState);
    QWindowStateChangeEvent(Qt::WindowStates aOldState, bool isOverride);
    ~QWindowStateChangeEvent();

    inline Qt::WindowStates oldState() const { return ostate; }
    bool isOverride() const;

private:
    Qt::WindowStates ostate;
};

#ifdef QT3_SUPPORT
class QMenuBar;
class Q_GUI_EXPORT QMenubarUpdatedEvent: public QEvent
{
public:
    QMenubarUpdatedEvent(QMenuBar * const menBar);
    inline QMenuBar *menuBar() { return m_menuBar; }
private:
    QMenuBar *m_menuBar;
};
#endif

#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QEvent *);
#endif

QT_END_HEADER

#endif // QEVENT_H