event.h

浙江大学的悟空嵌入式系统模拟器

    // configured as mod2 modifier, yet the key events even when it is pressed
    // should be processed normally, not like Ctrl- or Alt-key
    bool HasModifiers() const { return ControlDown() || AltDown(); }

    // get the key code: an ASCII7 char or an element of wxKeyCode enum
    int GetKeyCode() const { return (int)m_keyCode; }

    // get the raw key code (platform-dependent)
    wxUint32 GetRawKeyCode() const { return m_rawCode; }

    // get the raw key flags (platform-dependent)
    wxUint32 GetRawKeyFlags() const { return m_rawFlags; }

    // Find the position of the event
    void GetPosition(wxCoord *xpos, wxCoord *ypos) const
    {
        if (xpos) *xpos = m_x;
        if (ypos) *ypos = m_y;
    }

#ifndef __WIN16__
    void GetPosition(long *xpos, long *ypos) const
    {
        if (xpos) *xpos = (long)m_x;
        if (ypos) *ypos = (long)m_y;
    }
#endif

    wxPoint GetPosition() const
        { return wxPoint(m_x, m_y); }

    // Get X position
    wxCoord GetX() const { return m_x; }

    // Get Y position
    wxCoord GetY() const { return m_y; }

    // deprecated
    long KeyCode() const { return m_keyCode; }

    virtual wxEvent *Clone() const { return new wxKeyEvent(*this); }

    // we do need to copy wxKeyEvent sometimes (in wxTreeCtrl code, for
    // example)
    wxKeyEvent& operator=(const wxKeyEvent& evt)
    {
        m_x = evt.m_x;
        m_y = evt.m_y;

        m_keyCode = evt.m_keyCode;

        m_controlDown = evt.m_controlDown;
        m_shiftDown = evt.m_shiftDown;
        m_altDown = evt.m_altDown;
        m_metaDown = evt.m_metaDown;
        m_scanCode = evt.m_scanCode;
        m_rawCode = evt.m_rawCode;
        m_rawFlags = evt.m_rawFlags;

        return *this;
    }

public:
    wxCoord       m_x, m_y;

    long          m_keyCode;

    bool          m_controlDown;
    bool          m_shiftDown;
    bool          m_altDown;
    bool          m_metaDown;
    bool          m_scanCode;

#if wxUSE_UNICODE
    // This contains the full Unicode character
    // in a character events in Unicode mode
    wxChar        m_uniChar;
#endif

    // these fields contain the platform-specific information about
    // key that was pressed
    wxUint32      m_rawCode;
    wxUint32      m_rawFlags;

private:
    DECLARE_DYNAMIC_CLASS(wxKeyEvent)
};

// Size event class
/*
 wxEVT_SIZE
 */

class WXDLLEXPORT wxSizeEvent : public wxEvent
{
public:
    wxSizeEvent() : wxEvent(0, wxEVT_SIZE)
        { }
    wxSizeEvent(const wxSize& sz, int id = 0)
        : wxEvent(id, wxEVT_SIZE),
          m_size(sz)
        { }
    wxSizeEvent(const wxSizeEvent & event)
		: wxEvent(event),
		  m_size(event.m_size)
		{ }

    wxSize GetSize() const { return m_size; }

    virtual wxEvent *Clone() const { return new wxSizeEvent(*this); }

public:
    wxSize m_size;

private:
    DECLARE_DYNAMIC_CLASS(wxSizeEvent)
};

// Move event class

/*
 wxEVT_MOVE
 */

class WXDLLEXPORT wxMoveEvent : public wxEvent
{
public:
    wxMoveEvent()
        : wxEvent(0, wxEVT_MOVE)
        { }
    wxMoveEvent(const wxPoint& pos, int id = 0)
        : wxEvent(id, wxEVT_MOVE),
          m_pos(pos)
        { }
    wxMoveEvent(const wxMoveEvent& event)
        : wxEvent(event),
		  m_pos(event.m_pos)
	{ }

    wxPoint GetPosition() const { return m_pos; }

    virtual wxEvent *Clone() const { return new wxMoveEvent(*this); }

    wxPoint m_pos;

private:
    DECLARE_DYNAMIC_CLASS(wxMoveEvent)
};

// Paint event class
/*
 wxEVT_PAINT
 wxEVT_NC_PAINT
 wxEVT_PAINT_ICON
 */

#if defined(__WXDEBUG__) && (defined(__WXMSW__) || defined(__WXPM__))
    // see comments in src/msw|os2/dcclient.cpp where g_isPainting is defined
    extern WXDLLEXPORT int g_isPainting;
#endif // debug

class WXDLLEXPORT wxPaintEvent : public wxEvent
{
public:
    wxPaintEvent(int Id = 0)
        : wxEvent(Id, wxEVT_PAINT)
    {
#if defined(__WXDEBUG__) && (defined(__WXMSW__) || defined(__WXPM__))
        // set the internal flag for the duration of processing of WM_PAINT
        g_isPainting++;
#endif // debug
    }

#if defined(__WXDEBUG__) && (defined(__WXMSW__) || defined(__WXPM__))
    ~wxPaintEvent()
    {
        g_isPainting--;
    }
#endif // debug

    virtual wxEvent *Clone() const { return new wxPaintEvent(*this); }

private:
    DECLARE_DYNAMIC_CLASS(wxPaintEvent)
};

class WXDLLEXPORT wxNcPaintEvent : public wxEvent
{
public:
    wxNcPaintEvent(int id = 0)
        : wxEvent(id, wxEVT_NC_PAINT)
        { }

    virtual wxEvent *Clone() const { return new wxNcPaintEvent(*this); }

private:
    DECLARE_DYNAMIC_CLASS(wxNcPaintEvent)
};

// Erase background event class
/*
 wxEVT_ERASE_BACKGROUND
 */

class WXDLLEXPORT wxEraseEvent : public wxEvent
{
private:
    wxEraseEvent& operator=(const wxEraseEvent& event);

public:
    wxEraseEvent(int Id = 0, wxDC *dc = (wxDC *) NULL)
        : wxEvent(Id, wxEVT_ERASE_BACKGROUND),
          m_dc(dc)
        { }

    wxEraseEvent(const wxEraseEvent& event)
        : wxEvent(event),
          m_dc(event.m_dc)
        { }

    wxDC *GetDC() const { return m_dc; }

    virtual wxEvent *Clone() const { return new wxEraseEvent(*this); }

    wxDC *m_dc;

private:
    DECLARE_DYNAMIC_CLASS(wxEraseEvent)
};

// Focus event class
/*
 wxEVT_SET_FOCUS
 wxEVT_KILL_FOCUS
 */

class WXDLLEXPORT wxFocusEvent : public wxEvent
{
private:
    wxFocusEvent& operator=(const wxFocusEvent& event);

public:
    wxFocusEvent(wxEventType type = wxEVT_NULL, int id = 0)
        : wxEvent(id, type)
        { m_win = NULL; }

    wxFocusEvent(const wxFocusEvent& event)
        : wxEvent(event)
        { m_win = event.m_win; }

    // The window associated with this event is the window which had focus
    // before for SET event and the window which will have focus for the KILL
    // one. NB: it may be NULL in both cases!
    wxWindow *GetWindow() const { return m_win; }
    void SetWindow(wxWindow *win) { m_win = win; }

    virtual wxEvent *Clone() const { return new wxFocusEvent(*this); }

private:
    wxWindow *m_win;

private:
    DECLARE_DYNAMIC_CLASS(wxFocusEvent)
};

// wxChildFocusEvent notifies the parent that a child has got the focus: unlike
// wxFocusEvent it is propgated upwards the window chain
class WXDLLEXPORT wxChildFocusEvent : public wxCommandEvent
{
public:
    wxChildFocusEvent(wxWindow *win = NULL);

    wxWindow *GetWindow() const { return (wxWindow *)GetEventObject(); }

    virtual wxEvent *Clone() const { return new wxChildFocusEvent(*this); }

private:
    DECLARE_DYNAMIC_CLASS(wxChildFocusEvent)
};

// Activate event class
/*
 wxEVT_ACTIVATE
 wxEVT_ACTIVATE_APP
 */

class WXDLLEXPORT wxActivateEvent : public wxEvent
{
public:
    wxActivateEvent(wxEventType type = wxEVT_NULL, bool active = TRUE, int Id = 0)
        : wxEvent(Id, type)
        { m_active = active; }
    wxActivateEvent(const wxActivateEvent& event)
        : wxEvent(event)
	{ m_active = event.m_active; }

    bool GetActive() const { return m_active; }

    virtual wxEvent *Clone() const { return new wxActivateEvent(*this); }

private:
    bool m_active;

private:
    DECLARE_DYNAMIC_CLASS(wxActivateEvent)
};

// InitDialog event class
/*
 wxEVT_INIT_DIALOG
 */

class WXDLLEXPORT wxInitDialogEvent : public wxEvent
{
public:
    wxInitDialogEvent(int Id = 0)
        : wxEvent(Id, wxEVT_INIT_DIALOG)
        { }

    virtual wxEvent *Clone() const { return new wxInitDialogEvent(*this); }

private:
    DECLARE_DYNAMIC_CLASS(wxInitDialogEvent)
};

// Miscellaneous menu event class
/*
 wxEVT_MENU_OPEN,
 wxEVT_MENU_CLOSE,
 wxEVT_MENU_HIGHLIGHT,
*/

class WXDLLEXPORT wxMenuEvent : public wxEvent
{
public:
    wxMenuEvent(wxEventType type = wxEVT_NULL, int id = 0)
        : wxEvent(id, type)
        { m_menuId = id; }
    wxMenuEvent(const wxMenuEvent & event)
        : wxEvent(event)
	{ m_menuId = event.m_menuId; }

    // only for wxEVT_MENU_HIGHLIGHT
    int GetMenuId() const { return m_menuId; }

    // only for wxEVT_MENU_OPEN/CLOSE
    bool IsPopup() const { return m_menuId == -1; }

    virtual wxEvent *Clone() const { return new wxMenuEvent(*this); }

private:
    int m_menuId;

    DECLARE_DYNAMIC_CLASS(wxMenuEvent)
};

// Window close or session close event class
/*
 wxEVT_CLOSE_WINDOW,
 wxEVT_END_SESSION,
 wxEVT_QUERY_END_SESSION
 */

class WXDLLEXPORT wxCloseEvent : public wxEvent
{
public:
    wxCloseEvent(wxEventType type = wxEVT_NULL, int id = 0)
        : wxEvent(id, type),
          m_loggingOff(TRUE),
          m_veto(FALSE),      // should be FALSE by default
          m_canVeto(TRUE)
    {
#if WXWIN_COMPATIBILITY
        m_force = FALSE;
#endif // WXWIN_COMPATIBILITY
    }
    wxCloseEvent(const wxCloseEvent & event)
        : wxEvent(event),
		m_loggingOff(event.m_loggingOff),
		m_veto(event.m_veto),
		m_canVeto(event.m_canVeto)
    {
#if WXWIN_COMPATIBILITY
        m_force = event.m_force;
#endif // WXWIN_COMPATIBILITY
	}

    void SetLoggingOff(bool logOff) { m_loggingOff = logOff; }
    bool GetLoggingOff() const { return m_loggingOff; }

    void Veto(bool veto = TRUE)
    {
        // GetVeto() will return FALSE anyhow...
        wxCHECK_RET( m_canVeto,
                     wxT("call to Veto() ignored (can't veto this event)") );

        m_veto = veto;
    }
    void SetCanVeto(bool canVeto) { m_canVeto = canVeto; }
    // No more asserts here please, the one you put here was wrong.
    bool CanVeto() const { return m_canVeto; }
    bool GetVeto() const { return m_canVeto && m_veto; }

#if WXWIN_COMPATIBILITY
    // This is probably obsolete now, since we use CanVeto instead, in
    // both OnCloseWindow and OnQueryEndSession.
    // m_force == ! m_canVeto i.e., can't veto means we must force it to close.
    void SetForce(bool force) { m_force = force; }
    bool GetForce() const { return m_force; }
#endif

    virtual wxEvent *Clone() const { return new wxCloseEvent(*this); }

protected: