window.h

浙江大学的悟空嵌入式系统模拟器

                   WXDWORD exendedStyle = 0);

    virtual bool MSWCommand(WXUINT param, WXWORD id);

#if WXWIN_COMPATIBILITY
    wxObject *GetChild(int number) const;
    virtual void MSWDeviceToLogical(float *x, float *y) const;
#endif // WXWIN_COMPATIBILITY

#ifndef __WXUNIVERSAL__
    // Create an appropriate wxWindow from a HWND
    virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);

    // Make sure the window style reflects the HWND style (roughly)
    virtual void AdoptAttributesFromHWND();
#endif // __WXUNIVERSAL__

    // Setup background and foreground colours correctly
    virtual void SetupColours();

    // ------------------------------------------------------------------------
    // helpers for message handlers: these perform the same function as the
    // message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
    // the correct parameters
    // ------------------------------------------------------------------------

    void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam,
                       WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
    void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
                        WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
    void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
                      WXWORD *code, WXWORD *pos, WXHWND *hwnd);
    void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
                        WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd);
    void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
                          WXWORD *item, WXWORD *flags, WXHMENU *hmenu);

    // ------------------------------------------------------------------------
    // internal handlers for MSW messages: all handlers return a boolean value:
    // TRUE means that the handler processed the event and FALSE that it didn't
    // ------------------------------------------------------------------------

    // there are several cases where we have virtual functions for Windows
    // message processing: this is because these messages often require to be
    // processed in a different manner in the derived classes. For all other
    // messages, however, we do *not* have corresponding MSWOnXXX() function
    // and if the derived class wants to process them, it should override
    // MSWWindowProc() directly.

    // scroll event (both horizontal and vertical)
    virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
                             WXWORD pos, WXHWND control);

    // child control notifications
#ifdef __WIN95__
    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
#endif // __WIN95__

    // owner-drawn controls need to process these messages
    virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
    virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);

    // the rest are not virtual
    bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
    bool HandleInitDialog(WXHWND hWndFocus);
    bool HandleDestroy();

    bool HandlePaint();
    bool HandleEraseBkgnd(WXHDC pDC);

    bool HandleMinimize();
    bool HandleMaximize();
    bool HandleSize(int x, int y, WXUINT flag);
    bool HandleGetMinMaxInfo(void *mmInfo);

    bool HandleShow(bool show, int status);
    bool HandleActivate(int flag, bool minimized, WXHWND activate);

    bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
    bool HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam);

    bool HandleCtlColor(WXHBRUSH *hBrush,
                        WXHDC hdc,
                        WXHWND hWnd,
                        WXUINT nCtlColor,
                        WXUINT message,
                        WXWPARAM wParam,
                        WXLPARAM lParam);

    bool HandlePaletteChanged(WXHWND hWndPalChange);
    bool HandleQueryNewPalette();
    bool HandleSysColorChange();
    bool HandleDisplayChange();
    bool HandleCaptureChanged(WXHWND gainedCapture);

    bool HandleQueryEndSession(long logOff, bool *mayEnd);
    bool HandleEndSession(bool endSession, long logOff);

    bool HandleSetFocus(WXHWND wnd);
    bool HandleKillFocus(WXHWND wnd);

    bool HandleDropFiles(WXWPARAM wParam);

    bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
    bool HandleMouseMove(int x, int y, WXUINT flags);
    bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam);

    bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = FALSE);
    bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam);
    bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam);

    bool HandleQueryDragIcon(WXHICON *hIcon);

    bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);

    // Window procedure
    virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

    // Calls an appropriate default window procedure
    virtual long MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);

    // message processing helpers

    // return FALSE if the message shouldn't be translated/preprocessed but
    // dispatched normally
    virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);

    // return TRUE if the message was preprocessed and shouldn't be dispatched
    virtual bool MSWProcessMessage(WXMSG* pMsg);

    // return TRUE if the message was translated and shouldn't be dispatched
    virtual bool MSWTranslateMessage(WXMSG* pMsg);

    // called when the window is about to be destroyed
    virtual void MSWDestroyWindow();

    // this function should return the brush to paint the window background
    // with or 0 for the default brush
    virtual WXHBRUSH OnCtlColor(WXHDC hDC,
                                WXHWND hWnd,
                                WXUINT nCtlColor,
                                WXUINT message,
                                WXWPARAM wParam,
                                WXLPARAM lParam);

#if WXWIN_COMPATIBILITY
    void SetShowing(bool show) { (void)Show(show); }
    bool IsUserEnabled() const { return IsEnabled(); }
#endif // WXWIN_COMPATIBILITY

    // Responds to colour changes: passes event on to children.
    void OnSysColourChanged(wxSysColourChangedEvent& event);

    // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
    void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);

    // check if mouse is in the window
    bool IsMouseInWindow() const;

protected:
    // the window handle
    WXHWND                m_hWnd;

    // the old window proc (we subclass all windows)
    WXFARPROC             m_oldWndProc;

    // additional (MSW specific) flags
    bool                  m_useCtl3D:1; // Using CTL3D for this control
    bool                  m_backgroundTransparent:1;
    bool                  m_mouseInWindow:1;
    bool                  m_lastKeydownProcessed:1;

    // the size of one page for scrolling
    int                   m_xThumbSize;
    int                   m_yThumbSize;

#if wxUSE_MOUSEEVENT_HACK
    // the coordinates of the last mouse event and the type of it
    long                  m_lastMouseX,
                          m_lastMouseY;
    int                   m_lastMouseEvent;
#endif // wxUSE_MOUSEEVENT_HACK

    WXHMENU               m_hMenu; // Menu, if any

    // implement the base class pure virtuals
    virtual void DoClientToScreen( int *x, int *y ) const;
    virtual void DoScreenToClient( int *x, int *y ) const;
    virtual void DoGetPosition( int *x, int *y ) const;
    virtual void DoGetSize( int *width, int *height ) const;
    virtual void DoGetClientSize( int *width, int *height ) const;
    virtual void DoSetSize(int x, int y,
                           int width, int height,
                           int sizeFlags = wxSIZE_AUTO);
    virtual void DoSetClientSize(int width, int height);

    virtual void DoCaptureMouse();
    virtual void DoReleaseMouse();

    // move the window to the specified location and resize it: this is called
    // from both DoSetSize() and DoSetClientSize() and would usually just call
    // ::MoveWindow() except for composite controls which will want to arrange
    // themselves inside the given rectangle
    virtual void DoMoveWindow(int x, int y, int width, int height);

#if wxUSE_TOOLTIPS
    virtual void DoSetToolTip( wxToolTip *tip );

    // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in
    // comctl32.dll in our code -- see the function body for more info)
    bool HandleTooltipNotify(WXUINT code,
                             WXLPARAM lParam,
                             const wxString& ttip);
#endif // wxUSE_TOOLTIPS

    // the helper functions used by HandleChar/KeyXXX methods
    wxKeyEvent CreateKeyEvent(wxEventType evType, int id,
                              WXLPARAM lParam = 0, WXWPARAM wParam = 0) const;

private:
    // common part of all ctors
    void Init();

    // the (non-virtual) handlers for the events
    bool HandleMove(int x, int y);
    bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);

#ifdef __WIN95__
    bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
#endif // __WIN95__

    // list of disabled children before last call to our Disable()
    wxWindowList *m_childrenDisabled;

    DECLARE_DYNAMIC_CLASS(wxWindowMSW)
    DECLARE_NO_COPY_CLASS(wxWindowMSW)
    DECLARE_EVENT_TABLE()
};

// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------

// kbd code translation
WXDLLEXPORT int wxCharCodeMSWToWX(int keySym);
WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual);

// window creation helper class: before creating a new HWND, instantiate an
// object of this class on stack - this allows to process the messages sent to
// the window even before CreateWindow() returns
class wxWindowCreationHook
{
public:
    wxWindowCreationHook(wxWindowMSW *winBeingCreated);
    ~wxWindowCreationHook();
};

#endif
    // _WX_WINDOW_H_