toplevel.cpp

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

    wxSize m_size ;
    bool m_wasResizable ;
} FullScreenData ;

void wxTopLevelWindowMac::Init()
{
    m_iconized =
    m_maximizeOnShow = false;
    m_macWindow = NULL ;

    m_macEventHandler = NULL ;
    m_macFullScreenData = NULL ;
}

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;
    wxWindow::SetLabel( title ) ;

    MacCreateRealWindow( title, pos , size , MacRemoveBordersFromStyle(style) , name ) ;

    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));

    if (GetExtraStyle() & wxFRAME_EX_METAL)
        MacSetMetalAppearance(true);

    wxTopLevelWindows.Append(this);

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

    return true;
}

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

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

    wxRemoveMacWindowAssociation( this ) ;

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

    FullScreenData *data = (FullScreenData *) m_macFullScreenData ;
    delete data ;
    m_macFullScreenData = NULL ;
}


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

void wxTopLevelWindowMac::Maximize(bool maximize)
{
    Point idealSize = { 0 , 0 } ;
    if ( maximize )
    {
#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5
        HIRect bounds ;
        HIWindowGetAvailablePositioningBounds(kCGNullDirectDisplay,kHICoordSpace72DPIGlobal,
            &bounds);
        idealSize.h = bounds.size.width;
        idealSize.v = bounds.size.height;
#else
        Rect rect ;
        GetAvailableWindowPositioningBounds(GetMainDevice(),&rect) ;
        idealSize.h = rect.right - rect.left ;
        idealSize.v = rect.bottom - rect.top ;
#endif
    }
    ZoomWindowIdeal( (WindowRef)m_macWindow , maximize ? inZoomOut : inZoomIn , &idealSize ) ;
}

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()
{
    if ( IsMaximized() )
        Maximize(false);
    else if ( IsIconized() )
        Iconize(false);
}

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

wxPoint wxTopLevelWindowMac::GetClientAreaOrigin() const
{
    return wxPoint(0, 0) ;
}

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

void  wxTopLevelWindowMac::MacSetBackgroundBrush( const wxBrush &brush )
{
    wxTopLevelWindowBase::MacSetBackgroundBrush( brush ) ;

    if ( m_macBackgroundBrush.Ok() && m_macBackgroundBrush.GetStyle() != wxTRANSPARENT && m_macBackgroundBrush.MacGetBrushKind() == kwxMacBrushTheme )
    {
        SetThemeWindowBackground( (WindowRef) m_macWindow , m_macBackgroundBrush.MacGetTheme() , false ) ;
    }
}

void wxTopLevelWindowMac::MacInstallTopLevelWindowEventHandler()
{
    if ( m_macEventHandler != NULL )
    {
        verify_noerr( ::RemoveEventHandler( (EventHandlerRef) m_macEventHandler ) ) ;
    }

    InstallWindowEventHandler(
        MAC_WXHWND(m_macWindow), GetwxMacTopLevelEventHandlerUPP(),
        GetEventTypeCount(eventList), eventList, this, (EventHandlerRef *)&m_macEventHandler );
}

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.
    int x = (int)pos.x;
    int y = (int)pos.y;

    Rect theBoundsRect;
    wxRect display = wxGetClientDisplayRect() ;

    if ( x == wxDefaultPosition.x )
        x = display.x ;

    if ( y == wxDefaultPosition.y )
        y = display.y ;

    int w = WidthDefault(size.x);
    int h = HeightDefault(size.y);

    ::SetRect(&theBoundsRect, x, y , x + w, y + h);

    // translate the window attributes in the appropriate window class and attributes
    WindowClass wclass = 0;
    WindowAttributes attr = kWindowNoAttributes ;
    WindowGroupRef group = NULL ;

    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
        {
            wclass = kPlainWindowClass ;
        }
    }
    else if ( HasFlag( wxCAPTION ) )
    {
        wclass = kDocumentWindowClass ;
        attr |= kWindowInWindowMenuAttribute ;
    }
#if defined( __WXMAC__ ) && TARGET_API_MAC_OSX && ( MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_2 )
    else if ( HasFlag( wxFRAME_DRAWER ) )
    {
        wclass = kDrawerWindowClass;
    }
#endif  //10.2 and up
    else
    {
        if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
            HasFlag( wxCLOSE_BOX ) || HasFlag( wxSYSTEM_MENU ) )
        {
            wclass = kDocumentWindowClass ;
        }
        else
        {
            wclass = kPlainWindowClass ;
        }
    }

    if ( wclass != kPlainWindowClass )
    {
        if ( HasFlag( wxMINIMIZE_BOX ) )
            attr |= kWindowCollapseBoxAttribute ;

        if ( HasFlag( wxMAXIMIZE_BOX ) )
            attr |= kWindowFullZoomAttribute ;

        if ( HasFlag( wxRESIZE_BORDER ) )
            attr |= kWindowResizableAttribute ;

        if ( HasFlag( wxCLOSE_BOX) )
            attr |= kWindowCloseBoxAttribute ;
    }

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

    if ( HasFlag(wxSTAY_ON_TOP) )
        group = GetWindowGroupOfClass(kUtilityWindowClass) ;

    attr |= kWindowCompositingAttribute;
#if 0 // wxMAC_USE_CORE_GRAPHICS ; TODO : decide on overall handling of high dpi screens (pixel vs userscale)
    attr |= kWindowFrameworkScaledAttribute;
#endif

    if ( HasFlag(wxFRAME_SHAPED) )
    {
        WindowDefSpec customWindowDefSpec;
        customWindowDefSpec.defType = kWindowDefProcPtr;
        customWindowDefSpec.u.defProc = 
#ifdef __LP64__
            (WindowDefUPP) wxShapedMacWindowDef;
#else
            NewWindowDefUPP(wxShapedMacWindowDef);
#endif
        err = ::CreateCustomWindow( &customWindowDefSpec, wclass,
                              attr, &theBoundsRect,
                              (WindowRef*) &m_macWindow);
    }
    else
    {
        err = ::CreateNewWindow( wclass , attr , &theBoundsRect , (WindowRef*)&m_macWindow ) ;
    }

    if ( err == noErr && m_macWindow != NULL && group != NULL )
        SetWindowGroup( (WindowRef) m_macWindow , group ) ;

    wxCHECK_RET( err == noErr, wxT("Mac OS error when trying to create new window") );

    // setup a separate group for each window, so that overlays can be handled easily
    verify_noerr( CreateWindowGroup( kWindowGroupAttrMoveTogether | kWindowGroupAttrLayerTogether | kWindowGroupAttrHideOnCollapse, &group ));
    verify_noerr( SetWindowGroupParent( group, GetWindowGroup( (WindowRef) m_macWindow )));
    verify_noerr( SetWindowGroup( (WindowRef) m_macWindow , group ));
  
    // the create commands are only for content rect,
    // so we have to set the size again as structure bounds
    SetWindowBounds(  (WindowRef) m_macWindow , kWindowStructureRgn , &theBoundsRect ) ;

    wxAssociateWinWithMacWindow( (WindowRef) m_macWindow , this ) ;
    UMASetWTitle( (WindowRef) m_macWindow , title , m_font.GetEncoding() ) ;
    m_peer = new wxMacControl(this , true /*isRootControl*/) ;

    // There is a bug in 10.2.X for ::GetRootControl returning the window view instead of
    // the content view, so we have to retrieve it explicitly
    HIViewFindByID( HIViewGetRoot( (WindowRef) m_macWindow ) , kHIViewWindowContentID ,
        m_peer->GetControlRefAddr() ) ;
    if ( !m_peer->Ok() )
    {
        // compatibility mode fallback
        GetRootControl( (WindowRef) m_macWindow , m_peer->GetControlRefAddr() ) ;
    }

    // the root control level handler
    MacInstallEventHandler( (WXWidget) m_peer->GetControlRef() ) ;

    // Causes the inner part of the window not to be metal
    // if the style is used before window creation.
#if 0 // TARGET_API_MAC_OSX
    if ( m_macUsesCompositing && m_macWindow != NULL )
    {
        if ( GetExtraStyle() & wxFRAME_EX_METAL )
            MacSetMetalAppearance( true ) ;
    }
#endif

    // the frame window event handler
    InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
    MacInstallTopLevelWindowEventHandler() ;

    DoSetWindowVariant( m_windowVariant ) ;

    m_macFocus = NULL ;

    if ( HasFlag(wxFRAME_SHAPED) )
    {
        // default shape matches the window size
        wxRegion rgn( 0, 0, w, h );
        SetShape( rgn );
    }

    wxWindowCreateEvent event(this);
    GetEventHandler()->ProcessEvent(event);
}

void wxTopLevelWindowMac::ClearBackground()
{
    wxWindow::ClearBackground() ;
}

// Raise the window to the top of the Z order
void wxTopLevelWindowMac::Raise()
{
    ::SelectWindow( (WindowRef)m_macWindow ) ;
}

// Lower the window to the bottom of the Z order
void wxTopLevelWindowMac::Lower()
{
    ::SendBehind( (WindowRef)m_macWindow , NULL ) ;
}

void wxTopLevelWindowMac::MacDelayedDeactivation(long timestamp)
{
    if (s_macDeactivateWindow)
    {
        wxLogTrace(TRACE_ACTIVATE,
                   wxT("Doing delayed deactivation of %p"),
                   s_macDeactivateWindow);

        s_macDeactivateWindow->MacActivate(timestamp, false);
    }
}

void wxTopLevelWindowMac::MacActivate( long timestamp , bool inIsActivating )
{
    wxLogTrace(TRACE_ACTIVATE, wxT("TopLevel=%p::MacActivate"), this);

    if (s_macDeactivateWindow == this)
        s_macDeactivateWindow = NULL;

    MacDelayedDeactivation(timestamp);
    MacPropagateHiliteChanged() ;
}

void wxTopLevelWindowMac::SetTitle(const wxString& title)
{
    wxWindow::SetLabel( title ) ;
    UMASetWTitle( (WindowRef)m_macWindow , title , m_font.GetEncoding() ) ;
}

wxString wxTopLevelWindowMac::GetTitle() const
{
    return wxWindow::GetLabel();
}

bool wxTopLevelWindowMac::Show(bool show)
{
    if ( !wxTopLevelWindowBase::Show(show) )
        return false;

    bool plainTransition = false;

#if wxUSE_SYSTEM_OPTIONS
    // code contributed by Ryan Wilcox December 18, 2003
    plainTransition = UMAGetSystemVersion() >= 0x1000 ;
    if ( wxSystemOptions::HasOption(wxMAC_WINDOW_PLAIN_TRANSITION) )
        plainTransition = ( wxSystemOptions::GetOptionInt( wxMAC_WINDOW_PLAIN_TRANSITION ) == 1 ) ;
#endif

    if (show)
    {
        if ( plainTransition )
           ::ShowWindow( (WindowRef)m_macWindow );
        else
           ::TransitionWindow( (WindowRef)m_macWindow, kWindowZoomTransitionEffect, kWindowShowTransitionAction, NULL );

        ::SelectWindow( (WindowRef)m_macWindow ) ;

        // because apps expect a size event to occur at this moment
        wxSizeEvent event(GetSize() , m_windowId);
        event.SetEventObject(this);
        GetEventHandler()->ProcessEvent(event);
    }
    else
    {