自学教程：C++ DoGetBestSize函数代码示例

wxSize wxSheetCellStringRendererRefData::GetBestSize(wxSheet& sheet,        const wxSheetCellAttr& attr,        wxDC& dc,        const wxSheetCoords& coords){    return DoGetBestSize(sheet, attr, dc, GetString(sheet, coords));}

void wxRibbonBar::ShowPanels(bool show){    m_arePanelsShown = show;    SetMinSize(wxSize(GetSize().GetWidth(), DoGetBestSize().GetHeight()));    Realise();    GetParent()->Layout();}

void WXAppBar::UnSetDockedModeStep2(){	Display *dd= (Display *) wxGetDisplay();	// Window X11 handle	GtkWidget *gtkWidget= (GtkWidget *) this->GetHandle();	Window w= GDK_WINDOW_XWINDOW (gtkWidget->window);		Refresh();	Update();		//	// Set window style back to normal again	//	Atom atomTmp= XInternAtom (dd, "_NET_WM_WINDOW_TYPE", False);	Atom atom_NET_WM_WINDOW_TYPE_NORMAL= XInternAtom (dd, "_NET_WM_WINDOW_TYPE_NORMAL", False);	unsigned long propInfo= atom_NET_WM_WINDOW_TYPE_NORMAL;	XChangeProperty (dd, w, atomTmp, XA_ATOM, 32, PropModeReplace, (unsigned char *) &propInfo, 1);	XSync(dd, False);		// The code above disables the sticky property, so we enable it again	SetSticky(true);		// Restore decorations when needed	SetBorderDecorations(m_dialogHadBorderDecorations);		// Restore original size	wxSize proposedSize= DoGetBestSize();	//SetSize (0, 0, proposedSize.GetWidth(), proposedSize.GetHeight());	SetSize (proposedSize.GetWidth(), proposedSize.GetHeight());}

wxSize wxButton::GetMinSize() const{    if( wxMotifLargeButtons() )        return OldGetMinSize();    return DoGetBestSize();}

void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) ){    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );    m_width = DoGetBestSize().x;    gtk_widget_set_size_request( m_widget, m_width, m_height );}

void wxCustomButton::SetMargins(const wxSize &margin, bool fit){    m_labelMargin = margin;    m_bitmapMargin = margin;    CalcLayout(TRUE);    if (fit) SetSize(DoGetBestSize());}

wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,                                             wxGridCellAttr& attr,                                             wxDC& dc,                                             int row, int col){    return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));}

void wxComboBox::DoSetSize(int x, int y,                           int width, int WXUNUSED(height),                           int sizeFlags){    // Necessary so it doesn't call wxChoice::SetSize    wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);}

bool wxMenuButton::Create( wxWindow* parent, wxWindowID id,                           const wxString &label,                           const wxBitmap &bitmap,                           const wxPoint& pos,                           const wxSize& size,                           long style,                           const wxValidator& val,                           const wxString& name){    m_style = style;    long flat = style & wxMENUBUT_FLAT;    wxControl::Create(parent,id,pos,size,wxNO_BORDER|wxCLIP_CHILDREN,val,name);    wxControl::SetLabel(label);    SetBackgroundColour(parent->GetBackgroundColour());    SetForegroundColour(parent->GetForegroundColour());    SetFont(parent->GetFont());    m_labelButton = new MenuLabelButton(this, id, label, bitmap, wxCUSTBUT_BUTTON|flat);    m_dropdownButton = new MenuDropButton(this, IDD_DROPDOWN_BUTTON, wxCUSTBUT_BUTTON|flat);    wxSize bestSize = DoGetBestSize();    SetSize( wxSize(size.x < 0 ? bestSize.x : size.x,                    size.y < 0 ? bestSize.y : size.y) );#if (wxMINOR_VERSION<8)    SetBestSize(GetSize());#else    SetInitialSize(GetSize());#endif    return TRUE;}

bool wxCustomButton::Create(wxWindow* parent, wxWindowID id,                            const wxString& label, const wxBitmap &bitmap,                            const wxPoint& pos, const wxSize& size,                            long style, const wxValidator& val,                            const wxString& name){    if (!wxControl::Create(parent,id,pos,size,wxNO_BORDER|wxCLIP_CHILDREN,val,name))        return FALSE;    wxControl::SetLabel(label);    wxControl::SetBackgroundColour(parent->GetBackgroundColour());    wxControl::SetForegroundColour(parent->GetForegroundColour());    wxControl::SetFont(parent->GetFont());    if (bitmap.Ok()) m_bmpLabel = bitmap;    if (!SetButtonStyle(style)) return FALSE;    wxSize bestSize = DoGetBestSize();    SetSize(wxSize(size.x<0 ? bestSize.x:size.x, size.y<0 ? bestSize.y:size.y));#if (wxMINOR_VERSION<8)    SetBestSize(GetSize());#else    SetInitialSize(GetSize());#endif    CalcLayout(TRUE);    return TRUE;}

void WXAppBar::SetDockedModeStep1(){	// TODO: manage different docking locations on windows	APPBARDATA abd;			// Set metrics (TOP location only)	wxSize proposedSize= DoGetBestSize();	m_X= 0;	m_Y= 0;	m_Width= GetSystemMetrics(SM_CXSCREEN);	m_Height= proposedSize.GetHeight();		// Register appbar	abd.cbSize= sizeof(APPBARDATA);	abd.hWnd= (HWND) GetHandle();	abd.uCallbackMessage= 12345; //WX_APPBAR_CALLBACK; // TODO: respond to these callback messages	SHAppBarMessage (ABM_NEW, &abd);	// Set size	abd.uEdge= ABE_TOP;	abd.rc.left = m_X;	abd.rc.top = m_Y;	abd.rc.right = m_X + m_Width;	abd.rc.bottom = m_Y + m_Height;	SHAppBarMessage(ABM_QUERYPOS,&abd);	// Correct size if needed	m_X= abd.rc.left;	m_Y= abd.rc.top;			m_Width= abd.rc.right - m_X;	// Re-calculate bottom corner	abd.rc.bottom = m_Y + m_Height;			SHAppBarMessage(ABM_SETPOS, &abd);}

/** Prepares the backgroundimage, to optimze speed */void wxLEDPanel::PrepareBackground(){    wxSize s=DoGetBestSize();    wxBitmap bmpBG(s.GetWidth(),s.GetHeight());    m_mdc_background.SelectObject(bmpBG);    // clear the background    m_mdc_background.SetBackground(this->GetBackgroundColour());    m_mdc_background.Clear();    if(m_invert || m_show_inactivs)        DrawField(m_mdc_background, true);}

bool wxSpinButton::Create(wxWindow *parent,                          wxWindowID id,                          const wxPoint& pos,                          const wxSize& size,                          long style,                          const wxString& name){    m_needParent = true;    wxSize new_size = size,           sizeBest = DoGetBestSize();    new_size.x = sizeBest.x;            // override width always    if (new_size.y == -1)        new_size.y = sizeBest.y;    if (!PreCreation( parent, pos, new_size ) ||        !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))    {        wxFAIL_MSG( wxT("wxXX creation failed") );        return false;    }    m_oldPos = 0.0;    m_adjust = (GtkAdjustment*) gtk_adjustment_new( 0.0, 0.0, 100.0, 1.0, 5.0, 0.0);    m_widget = gtk_spin_button_new( m_adjust, 0, 0 );    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),                              (int)(m_windowStyle & wxSP_WRAP) );    gtk_signal_connect( GTK_OBJECT (m_adjust),                        "value_changed",                        (GtkSignalFunc) gtk_spinbutt_callback,                        (gpointer) this );    m_parent->DoAddChild( this );    PostCreation(new_size);    return true;}

bool wxStatusBarUniv::Create(wxWindow *parent,                             wxWindowID id,                             long style,                             const wxString& name){    if ( !wxWindow::Create(parent, id,                           wxDefaultPosition, wxDefaultSize,                           style, name) )    {        return false;    }    SetFieldsCount(1);    CreateInputHandler(wxINP_HANDLER_STATUSBAR);    SetSize(DoGetBestSize());    return true;}

void wxRibbonBar::ShowPanels(wxRibbonDisplayMode mode){    switch ( mode )    {        case wxRIBBON_BAR_PINNED:        case wxRIBBON_BAR_EXPANDED:            m_arePanelsShown = true;            break;        case wxRIBBON_BAR_MINIMIZED:            m_arePanelsShown = false;            break;    }    SetMinSize(wxSize(GetSize().GetWidth(), DoGetBestSize().GetHeight()));    Realise();    GetParent()->Layout();    m_ribbon_state = mode;}

bool wxBitmapComboBox::Create( wxWindow* parent, wxWindowID id,                               const wxPoint& pos, const wxSize& size,                               long style, const wxValidator& val,                               const wxString& name){    if (!DropDownBase::Create(parent,id,pos,size,wxNO_BORDER|wxCLIP_CHILDREN,val,name))        return false;    m_labelWin = new wxBitmapComboLabel(this);    m_win_border = m_labelWin->GetSize().x - m_labelWin->GetClientSize().x;    SetBackgroundColour(*wxWHITE);    m_frozen = false;    CalcLayout();    wxSize bestSize = DoGetBestSize();    SetSize( wxSize(size.x < 0 ? bestSize.x : size.x,                    size.y < 0 ? bestSize.y : size.y) );    return SetButtonStyle(style);}

void wxMenuButton::DoSetSize(int x, int y, int width, int height, int sizeFlags){    wxSize curSize( GetSize() );    wxSize bestSize( DoGetBestSize() );    if (width == -1)        width = curSize.GetWidth();    if (width < 10)        width = bestSize.GetWidth();    if (height == -1)        height = curSize.GetHeight();    if (height < 5)        height = bestSize.GetHeight();    wxWindow::DoSetSize(x, y, width, height, sizeFlags);    if (m_labelButton)        m_labelButton->SetSize(0, 0, width - wxMENUBUTTON_DROP_WIDTH, height);    if (m_dropdownButton)        m_dropdownButton->SetSize(width-wxMENUBUTTON_DROP_WIDTH, 0, wxMENUBUTTON_DROP_WIDTH, height);}

bool wxSpinButton::Create(wxWindow *parent,                          wxWindowID id,                          const wxPoint& pos,                          const wxSize& size,                          long style,                          const wxString& name){    m_needParent = true;    wxSize new_size = size,           sizeBest = DoGetBestSize();    new_size.x = sizeBest.x;            // override width always    if (new_size.y == -1)        new_size.y = sizeBest.y;    if (!PreCreation( parent, pos, new_size ) ||        !CreateBase( parent, id, pos, new_size, style, wxDefaultValidator, name ))    {        wxFAIL_MSG( wxT("wxSpinButton creation failed") );        return false;    }    m_pos = 0;    m_widget = gtk_spin_button_new_with_range(0, 100, 1);    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),                              (int)(m_windowStyle & wxSP_WRAP) );    g_signal_connect_after(        m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);    m_parent->DoAddChild( this );    PostCreation(new_size);    return true;}

bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,           const wxPoint& pos,           const wxSize& size, long style,           const wxValidator& validator,           const wxString& name){    // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create    // essentially creates an additional button    if ( !wxControl::Create(parent, id, pos, size,                                     style, validator, name) )        return false;    m_bmpNormal = bitmap;     if (style & wxBU_AUTODRAW)    {        m_marginX = wxDEFAULT_BUTTON_MARGIN;        m_marginY = wxDEFAULT_BUTTON_MARGIN;    }    else    {        m_marginX = 0;        m_marginY = 0;    }    int width = size.x;    int height = size.y;    if ( bitmap.Ok() )    {        wxSize newSize = DoGetBestSize();        if ( width == -1 )            width = newSize.x;        if ( height == -1 )            height = newSize.y;    }    Rect bounds ;    Str255 title ;    m_bmpNormal = bitmap;    wxBitmapRefData * bmap = NULL ;        if ( m_bmpNormal.Ok() )        bmap = (wxBitmapRefData*) ( m_bmpNormal.GetRefData()) ;        MacPreControlCreate( parent , id ,  wxEmptyString , pos , wxSize( width , height ) ,style, validator , name , &bounds , title ) ;    m_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 ,         kControlBehaviorOffsetContents +             ( bmap && bmap->m_bitmapType == kMacBitmapTypeIcon ?             kControlContentCIconHandle : kControlContentPictHandle ) , 0,           (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevelProc : kControlBevelButtonNormalBevelProc ), (long) this ) ;    wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;        ControlButtonContentInfo info ;    wxMacCreateBitmapButton( &info , m_bmpNormal ) ;    if ( info.contentType != kControlNoContent )    {        ::SetControlData( (ControlHandle) m_macControl , kControlButtonPart , kControlBevelButtonContentTag , sizeof(info) , (char*) &info ) ;    }    MacPostControlCreate() ;    return TRUE;}

void wxControl::MacPostControlCreate(){    wxASSERT_MSG( (ControlHandle) m_macControl != NULL , wxT("No valid mac control") ) ;    DoSetWindowVariant( m_windowVariant ) ;   /*     if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )    {        // no font    }    else if ( !UMAHasAquaLayout() && (IsKindOf( CLASSINFO( wxStaticBox ) ) || IsKindOf( CLASSINFO( wxRadioBox ) ) || IsKindOf( CLASSINFO( wxButton ) ) ) )    {        ControlFontStyleRec     controlstyle ;        controlstyle.flags = kControlUseFontMask ;        controlstyle.font = kControlFontSmallBoldSystemFont ;                ::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;    }    else    {        ControlFontStyleRec     controlstyle ;        controlstyle.flags = kControlUseFontMask ;                if (IsKindOf( CLASSINFO( wxButton ) ) )            controlstyle.font = kControlFontBigSystemFont ; // eventually kControlFontBigSystemFont ;        else            controlstyle.font = kControlFontSmallSystemFont ;                ::SetControlFontStyle( (ControlHandle) m_macControl , &controlstyle ) ;    }    */    ControlHandle container = (ControlHandle) GetParent()->MacGetContainerForEmbedding() ;    wxASSERT_MSG( container != NULL , wxT("No valid mac container control") ) ;    ::EmbedControl( (ControlHandle) m_macControl , container ) ;    m_macControlIsShown  = MacIsReallyShown() ;    wxAssociateControlWithMacControl( (ControlHandle) m_macControl , this ) ;    if ( wxMacSetupControlBackgroundUPP == NULL )    {        wxMacSetupControlBackgroundUPP = NewControlColorUPP( wxMacSetupControlBackground ) ;    }    if ( wxMacControlActionUPP == NULL )    {        wxMacControlActionUPP = NewControlDefUPP( wxMacControlDefinition ) ;    }    // The following block of code is responsible for crashes when switching    // back to windows, which can be seen in the dialogs sample.    // It is disabled until a proper solution can be found.#if 0#if TARGET_CARBON/*    only working under classic carbon    m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;    (**(ControlHandle)m_macControl).contrlDefProc = (Handle) &wxMacControlActionUPP ;*/#else    m_macControlAction = *(**(ControlHandle)m_macControl).contrlDefProc ;    cdefHandle cdef ;    cdef = (cdefHandle) NewHandle( sizeof(cdefRec) ) ;    if (  (**(ControlHandle)m_macControl).contrlDefProc != NULL )    {        (**cdef).instruction = 0x4EF9;  /* JMP instruction */        (**cdef).function = (void(*)()) wxMacControlActionUPP;        (**(ControlHandle)m_macControl).contrlDefProc = (Handle) cdef ;    }#endif#endif    SetControlColorProc( (ControlHandle) m_macControl , wxMacSetupControlBackgroundUPP ) ;        // Adjust the controls size and position    wxPoint pos(m_x, m_y);    wxSize best_size( DoGetBestSize() );    wxSize new_size( m_width, m_height );        m_x = m_y = m_width = m_height = -1;  // Forces SetSize to move/size the control        if (new_size.x == -1) {        new_size.x = best_size.x;    }    if (new_size.y == -1) {        new_size.y = best_size.y;    }        SetSize(pos.x, pos.y, new_size.x, new_size.y);    #if wxUSE_UNICODE    UMASetControlTitle( (ControlHandle) m_macControl , wxStripMenuCodes(m_label) , m_font.GetEncoding() ) ;#endif    if ( m_macControlIsShown )        UMAShowControl( (ControlHandle) m_macControl ) ;        SetCursor( *wxSTANDARD_CURSOR ) ;        Refresh() ;}

bool wxSpinButton::Create(wxWindow *parent,                          wxWindowID id,                          const wxPoint& pos,                          const wxSize& size,                          long style,                          const wxString& name){    // basic initialization    m_windowId = (id == wxID_ANY) ? NewControlId() : id;    SetName(name);    int x = pos.x;    int y = pos.y;    int width = size.x;    int height = size.y;    m_windowStyle = style;    SetParent(parent);    // get the right size for the control    if ( width <= 0 || height <= 0 )    {        wxSize size = DoGetBestSize();        if ( width <= 0 )            width = size.x;        if ( height <= 0 )            height = size.y;    }    if ( x < 0 )        x = 0;    if ( y < 0 )        y = 0;    // translate the styles    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | /*  WS_CLIPSIBLINGS | */                   UDS_NOTHOUSANDS | // never useful, sometimes harmful                   UDS_SETBUDDYINT;  // it doesn't harm if we don't have buddy    if ( m_windowStyle & wxCLIP_SIBLINGS )        wstyle |= WS_CLIPSIBLINGS;    if ( m_windowStyle & wxSP_HORIZONTAL )        wstyle |= UDS_HORZ;    if ( m_windowStyle & wxSP_ARROW_KEYS )        wstyle |= UDS_ARROWKEYS;    if ( m_windowStyle & wxSP_WRAP )        wstyle |= UDS_WRAP;    // create the UpDown control.    m_hWnd = (WXHWND)CreateUpDownControl                     (                       wstyle,                       x, y, width, height,                       GetHwndOf(parent),                       m_windowId,                       wxGetInstance(),                       NULL, // no buddy                       m_max, m_min,                       m_min // initial position                     );    if ( !m_hWnd )    {        wxLogLastError(wxT("CreateUpDownControl"));        return false;    }    if ( parent )    {        parent->AddChild(this);    }    SubclassWin(m_hWnd);    SetInitialSize(size);    return true;}

// set the size of the window: if the dimensions are positive, just use them,// but if any of them is equal to -1, it means that we must find the value for// it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in// which case -1 is a valid value for x and y)//// If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate// the width/height to best suit our contents, otherwise we reuse the current// width/heightvoid wxWindowDFB::DoSetSize(int x, int y, int width, int height, int sizeFlags){    // get the current size and position...    int currentX, currentY;    GetPosition(&currentX, &currentY);    int currentW,currentH;    GetSize(&currentW, &currentH);    if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )        x = currentX;    if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )        y = currentY;    // ... and don't do anything (avoiding flicker) if it's already ok    if ( x == currentX && y == currentY &&         width == currentW && height == currentH )    {        return;    }    wxSize size(-1, -1);    if ( width == -1 )    {        if ( sizeFlags & wxSIZE_AUTO_WIDTH )        {            size = DoGetBestSize();            width = size.x;        }        else        {            // just take the current one            width = currentW;        }    }    if ( height == -1 )    {        if ( sizeFlags & wxSIZE_AUTO_HEIGHT )        {            if ( size.x == -1 )            {                size = DoGetBestSize();            }            //else: already called DoGetBestSize() above            height = size.y;        }        else        {            // just take the current one            height = currentH;        }    }    int maxWidth = GetMaxWidth(),        minWidth = GetMinWidth(),        maxHeight = GetMaxHeight(),        minHeight = GetMinHeight();    if ( minWidth != -1 && width < minWidth ) width = minWidth;    if ( maxWidth != -1 && width > maxWidth ) width = maxWidth;    if ( minHeight != -1 && height < minHeight ) height = minHeight;    if ( maxHeight != -1 && height > maxHeight ) height = maxHeight;    if ( m_rect.x != x || m_rect.y != y ||         m_rect.width != width || m_rect.height != height )    {        AdjustForParentClientOrigin(x, y, sizeFlags);        DoMoveWindow(x, y, width, height);        wxSize newSize(width, height);        wxSizeEvent event(newSize, GetId());        event.SetEventObject(this);        HandleWindowEvent(event);    }}

 virtual wxSize GetMinSize() const {     return DoGetBestSize(); }

void wxCustomButton::SetBitmapMargin(const wxSize &margin, bool fit){    m_bitmapMargin = margin;    CalcLayout(true);    if (fit) SetSize(DoGetBestSize());}

void wxSpeedButton::CalcLayout(bool inRefresh) {int         i;int         bn;int         w, h;bool        gz, lz;int         gx, gy;int         lx, ly;// no recursive calls    if (mCalcBusy) return;    mCalcBusy = true;// current size of the button    GetSize(&w,&h);    mCurrentSize.Set(w, h);// get sizes of bitmaps and labels, alignment and margin    DoGetBestSize();// glyph or label not used?    gz = (mGlyphSize.GetWidth() == 0) || (mGlyphSize.GetHeight() == 0);    lz = (mLabelSize.GetWidth() == 0) || (mLabelSize.GetHeight() == 0);// border size is a magiv number, imperically determined using the// wxNativeRenderer to draw the button    bn = 2;// position depends on alignment    i = GetWindowStyleFlag();    if (gz && lz) {                 // no glyph, no label        gx = 0;        gy = 0;        lx = 0;        ly = 0;    }    else if (gz) {                  // no glyph, only label        gx = 0;        gy = 0;        lx = (mCurrentSize.GetWidth()  - mLabelSize.GetWidth())  / 2;        ly = (mCurrentSize.GetHeight() - mLabelSize.GetHeight()) / 2;    }    else if (lz) {                  // no label, glyph only        gx = (mCurrentSize.GetWidth()  - mGlyphSize.GetWidth())  / 2;        gy = (mCurrentSize.GetHeight() - mGlyphSize.GetHeight()) / 2;        lx = 0;        ly = 0;    }    else if ((i & wxBU_LEFT) != 0) {        gx = bn + mMargin;        lx = gx + mGlyphSize.GetWidth() + mMargin;        gy = (mCurrentSize.GetHeight() - mGlyphSize.GetHeight()) / 2;        ly = (mCurrentSize.GetHeight() - mLabelSize.GetHeight()) / 2;    }    else if ((i & wxBU_RIGHT) != 0) {        gx = mCurrentSize.GetWidth() - (mGlyphSize.GetWidth() + mMargin + bn);        lx = gx - (mLabelSize.GetWidth() + mMargin);        gy = (mCurrentSize.GetHeight() - mGlyphSize.GetHeight()) / 2;        ly = (mCurrentSize.GetHeight() - mLabelSize.GetHeight()) / 2;    }    else if ((i & wxBU_TOP) != 0) {        gx = (mCurrentSize.GetWidth()  - mGlyphSize.GetWidth())  / 2;        lx = (mCurrentSize.GetWidth()  - mLabelSize.GetWidth())  / 2;        gy = bn + mMargin;        ly = gy + mMargin + mGlyphSize.GetHeight();    }    else if ((i & wxBU_BOTTOM) != 0) {        gx = (mCurrentSize.GetWidth()  - mGlyphSize.GetWidth())  / 2;        lx = (mCurrentSize.GetWidth()  - mLabelSize.GetWidth())  / 2;        gy = mCurrentSize.GetHeight() - (bn + mMargin + mGlyphSize.GetHeight());        ly = gy - (mLabelSize.GetHeight() + mMargin);    }    else { // unknown        gx = 0;        gy = 0;        lx = 0;        ly = 0;    };// save the positions    mGlyphPos.x = gx;    mGlyphPos.y = gy;    mLabelPos.x = lx;    mLabelPos.y = ly;// redraw button?    if (inRefresh) Refresh(false);// allow another call    mCalcBusy = false;}

bool wxSpinButton::Create(  wxWindow*                         pParent, wxWindowID                        vId, const wxPoint&                    rPos, const wxSize&                     rSize, long                              lStyle, const wxString&                   rsName){    int                             nX      = rPos.x;    int                             nY      = rPos.y;    int                             nWidth  = rSize.x;    int                             nHeight = rSize.y;    SWP                             vSwp;    m_min = 0;    m_max = 100;    if (vId == -1)        m_windowId = NewControlId();    else        m_windowId = vId;    if (pParent)    {        m_backgroundColour = pParent->GetBackgroundColour();        m_foregroundColour = pParent->GetForegroundColour();    }    SetName(rsName);    SetParent(pParent);    m_windowStyle      = lStyle;    //    // Get the right size for the control    //    if (nWidth <= 0 || nHeight <= 0 )    {        wxSize                      vSize = DoGetBestSize();        if (nWidth <= 0 )            nWidth = vSize.x;        if (nHeight <= 0 )            nHeight = vSize.y;    }    if (nX < 0 )        nX = 0;    if (nY < 0 )        nY = 0;    long                            lSstyle = 0L;    lSstyle = WS_VISIBLE      |              WS_TABSTOP      |              SPBS_MASTER     | // We use only single field spin buttons              SPBS_NUMERICONLY; // We default to numeric data    if (m_windowStyle & wxCLIP_SIBLINGS )        lSstyle |= WS_CLIPSIBLINGS;    m_hWnd = (WXHWND)::WinCreateWindow( GetWinHwnd(pParent)                                       ,WC_SPINBUTTON                                       ,(PSZ)NULL                                       ,lSstyle                                       ,0L, 0L, 0L, 0L                                       ,GetWinHwnd(pParent)                                       ,HWND_TOP                                       ,(HMENU)vId                                       ,NULL                                       ,NULL                                      );    if (m_hWnd == 0)    {        return FALSE;    }    SetRange(m_min, m_max);    if(pParent)        pParent->AddChild((wxSpinButton *)this);    ::WinQueryWindowPos(m_hWnd, &vSwp);    SetXComp(vSwp.x);    SetYComp(vSwp.y-5); // compensate for the associated TextControl border    SetFont(*wxSMALL_FONT);    //    // For OS/2 we want to hide the text portion so we can substitute an    // independent text ctrl in its place.    // Therefore we must override any user given width with our best guess.    //    SetSize( nX - GetXComp()            ,nY - GetYComp()            ,nWidth            ,nHeight           );    wxAssociateWinWithHandle( m_hWnd                             ,(wxWindowOS2*)this                            );#if 0    // FIXME:    // Apparently, this does not work, as it crashes in setvalue/setrange calls    // What's it supposed to do anyway?    ::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);    fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);//.........这里部分代码省略.........

bool wxFixWidthImportCtrl::Create(wxWindow *parent,                            wxWindowID id,                            const wxPoint& pos,                            const wxSize& size,                            long style,                            const wxString& name){    if ( !wxControl::Create(parent, id, pos, size,                            style,                            wxDefaultValidator, name) )    {        return false;    }    //Create the scroll bars    m_scrbarH = new wxScrollBar(this, FW_SCROH);    m_scrbarV = new wxScrollBar(this, FW_SCROV,                                wxDefaultPosition, wxDefaultSize, wxSB_VERTICAL);    if (!m_scrbarH || !m_scrbarV)        return false;    m_margin = 2;    m_sbHheigth = m_scrbarH->GetSize().GetHeight();    m_sbVwidth  = m_scrbarV->GetSize().GetWidth();    //Fonts we'll use are some more big and small than default's one    int pointsizeDef = GetFont().GetPointSize();    //A fixed pitch font for the file (a little bigger)    m_Ffont = wxTheFontList->FindOrCreateFont((int)(pointsizeDef * 1.13),                                              wxMODERN, wxNORMAL, wxNORMAL);    //The font for the scale, also a pitch font (a little smaller)    m_Sfont = wxTheFontList->FindOrCreateFont((int)(pointsizeDef * 0.88),                                              wxMODERN, wxNORMAL, wxNORMAL);    //Size    wxSize sizeReal;    if ( size.x == -1 || size.y == -1 )    {        sizeReal = DoGetBestSize();        if ( size.x != -1 )            sizeReal.x = size.x;        if ( size.y != -1 )            sizeReal.y = size.y;    }    else    {        sizeReal = size;    }    //SetSize calls DoMoveWindow, which sets sub-controls  size & position    SetSize(pos.x, pos.y, sizeReal.x, sizeReal.y);    m_curposX = m_curposL = m_markedL = m_LAct = 0;    m_delPrev = false;    m_captured = false;    m_timeInit = m_timeNow = 0;    m_lastType = 0;    deliEnabled = true;    return true;}