toplevel.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

        case kEventWindowShown :
            toplevelWindow->Refresh() ;
            result = noErr ;
            break ;
        case kEventWindowClose :
                toplevelWindow->Close() ;
            result = noErr ;
            break ;
        case kEventWindowBoundsChanged :
            err = GetEventParameter( event, kEventParamAttributes, typeUInt32,
                        NULL, sizeof( UInt32 ), NULL, &attributes );
            if ( err == noErr )
            {
                Rect newContentRect ;

                GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL,
                    sizeof( newContentRect ), NULL, &newContentRect );

                toplevelWindow->SetSize( newContentRect.left , newContentRect.top ,
                    newContentRect.right - newContentRect.left ,
                    newContentRect.bottom - newContentRect.top, wxSIZE_USE_EXISTING);

                result = noErr;
            }
            break ;
        case kEventWindowBoundsChanging :
            err = GetEventParameter( event, kEventParamAttributes, typeUInt32,
                        NULL, sizeof( UInt32 ), NULL, &attributes );
            if ( err == noErr )
            {
                Rect newContentRect ;

                GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL,
                    sizeof( newContentRect ), NULL, &newContentRect );

                wxSize formerSize = toplevelWindow->GetSize() ;

                if ( (attributes & kWindowBoundsChangeSizeChanged ) ||
                    ( attributes & kWindowBoundsChangeOriginChanged ) )
                    toplevelWindow->SetSize( newContentRect.left , newContentRect.top ,
                        newContentRect.right - newContentRect.left ,
                        newContentRect.bottom - newContentRect.top, wxSIZE_USE_EXISTING);

                int x , y , w , h ;
                toplevelWindow->GetPosition( &x , &y ) ;
                toplevelWindow->GetSize( &w , &h ) ;
                Rect adjustedRect  = { y , x , y + h , x + w } ;

                if ( !EqualRect( &newContentRect , &adjustedRect ) )
                {
                    SetEventParameter( event , kEventParamCurrentBounds , typeQDRectangle, sizeof( adjustedRect ) , &adjustedRect ) ;
                }

                if ( toplevelWindow->GetSize() != formerSize )
                    toplevelWindow->Update() ;

                result = noErr ;
            }
            break ;
        default :
            break ;
    }
    return result ;
}

pascal OSStatus wxMacWindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
{
    OSStatus result = eventNotHandledErr ;

    switch ( GetEventClass( event ) )
    {
        case kEventClassKeyboard :
            result = KeyboardEventHandler( handler, event , data ) ;
            break ;
        case kEventClassTextInput :
            result = TextInputEventHandler( handler, event , data ) ;
            break ;
        case kEventClassWindow :
            result = WindowEventHandler( handler, event , data ) ;
            break ;
        case kEventClassMouse :
            result = MouseEventHandler( handler, event , data ) ;
            break ;
        default :
            break ;
    }
    return result ;
}

DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacWindowEventHandler )

#endif

// ---------------------------------------------------------------------------
// wxWindowMac utility functions
// ---------------------------------------------------------------------------

// Find an item given the Macintosh Window Reference

wxList *wxWinMacWindowList = NULL;
wxTopLevelWindowMac *wxFindWinFromMacWindow(WXWindow inWindowRef)
{
    if ( wxWinMacWindowList == NULL )
        return NULL ;
    wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
    if (!node)
        return NULL;
    return (wxTopLevelWindowMac *)node->GetData();
}

void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxTopLevelWindowMac *win);
void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxTopLevelWindowMac *win)
{
    // adding NULL WindowRef is (first) surely a result of an error and
    // (secondly) breaks menu command processing
    wxCHECK_RET( inWindowRef != (WindowRef) NULL, wxT("attempt to add a NULL WindowRef to window list") );

    if ( !wxWinMacWindowList->Find((long)inWindowRef) )
        wxWinMacWindowList->Append((long)inWindowRef, win);
}

void wxRemoveMacWindowAssociation(wxTopLevelWindowMac *win)
{
    wxWinMacWindowList->DeleteObject(win);
}


// ----------------------------------------------------------------------------
// wxTopLevelWindowMac creation
// ----------------------------------------------------------------------------

WXWindow wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
wxTopLevelWindowMac *wxTopLevelWindowMac::s_macDeactivateWindow = NULL;
bool wxTopLevelWindowMac::s_macWindowCompositing = false;

void wxTopLevelWindowMac::Init()
{
    m_iconized =
    m_maximizeOnShow = false;
    m_macNoEraseUpdateRgn = NewRgn() ;
    m_macNeedsErasing = false ;
    m_macWindow = NULL ;
    m_macUsesCompositing = false ;
#if TARGET_CARBON
    m_macEventHandler = NULL ;
#endif
}

class wxMacDeferredWindowDeleter : public wxObject
{
public :
    wxMacDeferredWindowDeleter( WindowRef windowRef )
    {
        m_macWindow = windowRef ;
    }
    virtual ~wxMacDeferredWindowDeleter()
    {
        UMADisposeWindow( (WindowRef) m_macWindow ) ;
    }
 protected :
    WindowRef m_macWindow ;
} ;

bool wxTopLevelWindowMac::Create(wxWindow *parent,
                                 wxWindowID id,
                                 const wxString& title,
                                 const wxPoint& pos,
                                 const wxSize& size,
                                 long style,
                                 const wxString& name)
{
    // init our fields
    Init();

    m_windowStyle = style;

    SetName(name);

    m_windowId = id == -1 ? NewControlId() : id;

    wxTopLevelWindows.Append(this);

    if ( parent )
        parent->AddChild(this);

    return true;
}

wxTopLevelWindowMac::~wxTopLevelWindowMac()
{
    if ( m_macWindow )
    {
        wxToolTip::NotifyWindowDelete(m_macWindow) ;
        wxPendingDelete.Append( new wxMacDeferredWindowDeleter( (WindowRef) m_macWindow ) ) ;
    }

#if TARGET_CARBON
    if ( m_macEventHandler )
    {
        ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
        m_macEventHandler = NULL ;
    }
#endif

    wxRemoveMacWindowAssociation( this ) ;

    if ( wxModelessWindows.Find(this) )
        wxModelessWindows.DeleteObject(this);

    DisposeRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
}


// ----------------------------------------------------------------------------
// wxTopLevelWindowMac maximize/minimize
// ----------------------------------------------------------------------------

void wxTopLevelWindowMac::Maximize(bool maximize)
{
    wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
    wxMacWindowClipper clip (this);
    ZoomWindow( (WindowRef)m_macWindow , maximize ? inZoomOut : inZoomIn , false ) ;

    Rect tempRect ;
    GrafPtr port ;
    GetPort( &port ) ;
    Point pt = { 0, 0 } ;
    SetPortWindowPort((WindowRef)m_macWindow) ;
    LocalToGlobal( &pt ) ;
    SetPort( port ) ;

    GetWindowPortBounds((WindowRef)m_macWindow, &tempRect ) ;
    SetSize( pt.h , pt.v , tempRect.right-tempRect.left ,
        tempRect.bottom-tempRect.top, wxSIZE_USE_EXISTING);
}

bool wxTopLevelWindowMac::IsMaximized() const
{
    return IsWindowInStandardState(  (WindowRef)m_macWindow , NULL , NULL ) ;
}

void wxTopLevelWindowMac::Iconize(bool iconize)
{
    if ( IsWindowCollapsable((WindowRef)m_macWindow) )
        CollapseWindow((WindowRef)m_macWindow , iconize ) ;
}

bool wxTopLevelWindowMac::IsIconized() const
{
    return IsWindowCollapsed((WindowRef)m_macWindow ) ;
}

void wxTopLevelWindowMac::Restore()
{
    // not available on mac
}

// ----------------------------------------------------------------------------
// wxTopLevelWindowMac misc
// ----------------------------------------------------------------------------

void wxTopLevelWindowMac::SetIcon(const wxIcon& icon)
{
    // this sets m_icon
    wxTopLevelWindowBase::SetIcon(icon);
}

void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name )
{
    OSStatus err = noErr ;
    SetName(name);
    m_windowStyle = style;
    m_isShown = false;

    // create frame.

    Rect theBoundsRect;

    m_x = (int)pos.x;
    m_y = (int)pos.y;
    if ( m_y < 50 )
        m_y = 50 ;
    if ( m_x < 20 )
        m_x = 20 ;

    m_width = WidthDefault(size.x);
    m_height = HeightDefault(size.y);

    ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);

    // translate the window attributes in the appropriate window class and attributes

    WindowClass wclass = 0;
    WindowAttributes attr = kWindowNoAttributes ;

    if ( HasFlag( wxFRAME_TOOL_WINDOW) )
    {
        if (
            HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
            HasFlag( wxSYSTEM_MENU ) || HasFlag( wxCAPTION ) ||
            HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT)
            )
        {
            wclass = kFloatingWindowClass ;
            if ( HasFlag(wxTINY_CAPTION_VERT) )
            {
                attr |= kWindowSideTitlebarAttribute ;
            }
        }
        else
        {
#if TARGET_CARBON
            wclass = kPlainWindowClass ;
#else
            wclass = kFloatingWindowClass ;
#endif
        }
    }
    else if ( HasFlag( wxCAPTION ) )
    {
        wclass = kDocumentWindowClass ;
    }
    else
    {
        if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
            HasFlag( wxCLOSE_BOX ) || HasFlag( wxSYSTEM_MENU ) )
        {
            wclass = kDocumentWindowClass ;
        }
        else
        {
#if TARGET_CARBON
            wclass = kPlainWindowClass ;
#else
            wclass = kModalWindowClass ;
#endif
        }
    }

    if ( HasFlag( wxMINIMIZE_BOX ) )
    {
        attr |= kWindowCollapseBoxAttribute ;
    }
    if ( HasFlag( wxMAXIMIZE_BOX ) )
    {
        attr |= kWindowFullZoomAttribute ;
    }
    if ( HasFlag( wxRESIZE_BORDER ) )
    {
        attr |= kWindowResizableAttribute ;
    }
    if ( HasFlag( wxCLOSE_BOX) )
    {
        attr |= kWindowCloseBoxAttribute ;
    }

    if (UMAGetSystemVersion() >= 0x1000)
    {
        //turn on live resizing (OS X only)
        attr |= kWindowLiveResizeAttribute;
    }

#if TARGET_CARBON