toolbar.cpp

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

            GetControl()->Move( position );
        }
    }
    else
    {
        // separator
#ifdef __WXMAC_OSX__
        Rect contrlRect;
        GetControlBounds( m_controlHandle, &contrlRect );
        int former_mac_x = contrlRect.left;
        int former_mac_y = contrlRect.top;

        if ( mac_x != former_mac_x || mac_y != former_mac_y )
            UMAMoveControl( m_controlHandle, mac_x, mac_y );
#endif
    }
}

void wxToolBarTool::UpdateToggleImage( bool toggle )
{
#ifdef __WXMAC_OSX__
    if ( toggle )
    {
        int w = m_bmpNormal.GetWidth();
        int h = m_bmpNormal.GetHeight();
        wxBitmap bmp( w, h );
        wxMemoryDC dc;

        dc.SelectObject( bmp );
        dc.SetPen( wxPen(*wxBLACK) );
        dc.SetBrush( wxBrush( *wxLIGHT_GREY ));
        dc.DrawRectangle( 0, 0, w, h );
        dc.DrawBitmap( m_bmpNormal, 0, 0, true );
        dc.SelectObject( wxNullBitmap );
        ControlButtonContentInfo info;
        wxMacCreateBitmapButton( &info, bmp );
        SetControlData( m_controlHandle, 0, kControlIconContentTag, sizeof(info), (Ptr)&info );
#if wxMAC_USE_NATIVE_TOOLBAR
        if (m_toolbarItemRef != NULL)
        {
            HIToolbarItemSetIconRef( m_toolbarItemRef, info.u.iconRef );
        }
#endif
        wxMacReleaseBitmapButton( &info );
    }
    else
    {
        ControlButtonContentInfo info;
        wxMacCreateBitmapButton( &info, m_bmpNormal );
        SetControlData( m_controlHandle, 0, kControlIconContentTag, sizeof(info), (Ptr)&info );
#if wxMAC_USE_NATIVE_TOOLBAR
        if (m_toolbarItemRef != NULL)
        {
            HIToolbarItemSetIconRef( m_toolbarItemRef, info.u.iconRef );
        }
#endif
        wxMacReleaseBitmapButton( &info );
    }

    IconTransformType transform = toggle ? kTransformSelected : kTransformNone;
    SetControlData(
        m_controlHandle, 0, kControlIconTransformTag,
        sizeof(transform), (Ptr)&transform );
    HIViewSetNeedsDisplay( m_controlHandle, true );

#else
    ::SetControl32BitValue( m_controlHandle, toggle );
#endif
}

wxToolBarTool::wxToolBarTool(
    wxToolBar *tbar,
    int id,
    const wxString& label,
    const wxBitmap& bmpNormal,
    const wxBitmap& bmpDisabled,
    wxItemKind kind,
    wxObject *clientData,
    const wxString& shortHelp,
    const wxString& longHelp )
    :
    wxToolBarToolBase(
        tbar, id, label, bmpNormal, bmpDisabled, kind,
        clientData, shortHelp, longHelp )
{
    Init();
}

#pragma mark -
#pragma mark Toolbar Implementation

wxToolBarToolBase *wxToolBar::CreateTool(
    int id,
    const wxString& label,
    const wxBitmap& bmpNormal,
    const wxBitmap& bmpDisabled,
    wxItemKind kind,
    wxObject *clientData,
    const wxString& shortHelp,
    const wxString& longHelp )
{
    return new wxToolBarTool(
        this, id, label, bmpNormal, bmpDisabled, kind,
        clientData, shortHelp, longHelp );
}

wxToolBarToolBase * wxToolBar::CreateTool( wxControl *control )
{
    return new wxToolBarTool( this, control );
}

void wxToolBar::Init()
{
    m_maxWidth = -1;
    m_maxHeight = -1;
    m_defaultWidth = kwxMacToolBarToolDefaultWidth;
    m_defaultHeight = kwxMacToolBarToolDefaultHeight;

#if wxMAC_USE_NATIVE_TOOLBAR
    m_macHIToolbarRef = NULL;
    m_macUsesNativeToolbar = false;
#endif
}

#define kControlToolbarItemClassID      CFSTR( "org.wxwidgets.controltoolbaritem" )

const EventTypeSpec kEvents[] = 
{
    { kEventClassHIObject, kEventHIObjectConstruct },
    { kEventClassHIObject, kEventHIObjectInitialize },
    { kEventClassHIObject, kEventHIObjectDestruct },
    
    { kEventClassToolbarItem, kEventToolbarItemCreateCustomView }
};

const EventTypeSpec kViewEvents[] = 
{ 
    { kEventClassControl, kEventControlGetSizeConstraints } 
};

struct ControlToolbarItem 
{ 
    HIToolbarItemRef    toolbarItem; 
    HIViewRef           viewRef;
    wxSize              lastValidSize ;
}; 

static pascal OSStatus ControlToolbarItemHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
    OSStatus            result = eventNotHandledErr;
    ControlToolbarItem* object = (ControlToolbarItem*)inUserData;

    switch ( GetEventClass( inEvent ) )
    {
        case kEventClassHIObject:
            switch ( GetEventKind( inEvent ) )
            {
                case kEventHIObjectConstruct:
                    {
                        HIObjectRef         toolbarItem;
                        ControlToolbarItem* item;
                        
                        GetEventParameter( inEvent, kEventParamHIObjectInstance, typeHIObjectRef, NULL,
                            sizeof( HIObjectRef ), NULL, &toolbarItem );
                        
                        item = (ControlToolbarItem*) malloc(sizeof(ControlToolbarItem)) ;
                        item->toolbarItem = toolbarItem ;
                        item->viewRef = NULL ;
                        
                        SetEventParameter( inEvent, kEventParamHIObjectInstance, typeVoidPtr, sizeof( void * ), &item );
                        
                        result = noErr ;
                    }
                    break;
 
                case kEventHIObjectInitialize:
                    result = CallNextEventHandler( inCallRef, inEvent );
                    if ( result == noErr )
                    {
                        CFDataRef           data;
                        GetEventParameter( inEvent, kEventParamToolbarItemConfigData, typeCFTypeRef, NULL,
                            sizeof( CFTypeRef ), NULL, &data );
                    
                        HIViewRef viewRef ;
                        
                        wxASSERT_MSG( CFDataGetLength( data ) == sizeof( viewRef ) , wxT("Illegal Data passed") ) ;
                        memcpy( &viewRef , CFDataGetBytePtr( data ) , sizeof( viewRef ) ) ;
                    
                        object->viewRef = (HIViewRef) viewRef ;

                        result = noErr ;
                    }
                    break;

                case kEventHIObjectDestruct:
                    {
                        // we've increased the ref count when creating this, so we decrease manually again in case
                        // it was never really installed and deinstalled
                        HIViewRef viewRef = object->viewRef ;
                        if( viewRef && IsValidControlHandle( viewRef)  )
                        {
                            CFIndex count =  CFGetRetainCount( viewRef ) ; 
                            if ( count >= 1 )
                                CFRelease( viewRef ) ;
                        }
	                    free( object ) ;
    	                result = noErr;
                    }
                    break;
            }
            break;
        
        case kEventClassToolbarItem:
            switch ( GetEventKind( inEvent ) )
            {               
                case kEventToolbarItemCreateCustomView:
                {
                    HIViewRef viewRef = object->viewRef ;

                    HIViewRemoveFromSuperview( viewRef ) ;
                    HIViewSetVisible(viewRef, true) ;
                    InstallEventHandler( GetControlEventTarget( viewRef ), ControlToolbarItemHandler,
                                            GetEventTypeCount( kViewEvents ), kViewEvents, object, NULL );
                    
                    result = SetEventParameter( inEvent, kEventParamControlRef, typeControlRef, sizeof( HIViewRef ), &viewRef );
                }
                break;
            }
            break;
        
        case kEventClassControl:
            switch ( GetEventKind( inEvent ) )
            {
                case kEventControlGetSizeConstraints:
                {
                    wxWindow* wxwindow = wxFindControlFromMacControl(object->viewRef ) ;
                    if ( wxwindow )
                    {
                        wxSize sz = wxwindow->GetSize() ;
                        sz.x -= wxwindow->MacGetLeftBorderSize() + wxwindow->MacGetRightBorderSize();
                        sz.y -= wxwindow->MacGetTopBorderSize() + wxwindow->MacGetBottomBorderSize();
                        // during toolbar layout the native window sometimes gets negative sizes
                        // so we always keep the last valid size here, to make sure we survive the
                        // shuffle ...
                        if ( sz.x > 0 && sz.y > 0 )
                            object->lastValidSize = sz ;
                        else
                            sz = object->lastValidSize ;
                            
                        HISize min, max;
                        min.width = max.width = sz.x ;
                        min.height = max.height = sz.y ;
                        
                        result = SetEventParameter( inEvent, kEventParamMinimumSize, typeHISize,
                                                        sizeof( HISize ), &min );
                        
                        result = SetEventParameter( inEvent, kEventParamMaximumSize, typeHISize,
                                                        sizeof( HISize ), &max );
                        result = noErr ;
                    }
                }
                break;
            }
            break;
    }
    
    return result;
}

void RegisterControlToolbarItemClass()
{
    static bool sRegistered;
    
    if ( !sRegistered )
    {
        HIObjectRegisterSubclass( kControlToolbarItemClassID, kHIToolbarItemClassID, 0,
                ControlToolbarItemHandler, GetEventTypeCount( kEvents ), kEvents, 0, NULL );
        
        sRegistered = true;
    }
}

HIToolbarItemRef CreateControlToolbarItem(CFStringRef inIdentifier, CFTypeRef inConfigData)
{
    RegisterControlToolbarItemClass();
    
    OSStatus            err;
    EventRef            event;
    UInt32              options = kHIToolbarItemAllowDuplicates;
    HIToolbarItemRef    result = NULL;
    
    err = CreateEvent( NULL, kEventClassHIObject, kEventHIObjectInitialize, GetCurrentEventTime(), 0, &event );
    require_noerr( err, CantCreateEvent );
    
    SetEventParameter( event, kEventParamAttributes, typeUInt32, sizeof( UInt32 ), &options );
    SetEventParameter( event, kEventParamToolbarItemIdentifier, typeCFStringRef, sizeof( CFStringRef ), &inIdentifier );
    
    if ( inConfigData )
        SetEventParameter( event, kEventParamToolbarItemConfigData, typeCFTypeRef, sizeof( CFTypeRef ), &inConfigData );
    
    err = HIObjectCreate( kControlToolbarItemClassID, event, (HIObjectRef*)&result );
    check_noerr( err );
    
    ReleaseEvent( event );
CantCreateEvent :   
    return result ;
}

#if wxMAC_USE_NATIVE_TOOLBAR
static const EventTypeSpec kToolbarEvents[] =
{
    { kEventClassToolbar, kEventToolbarGetDefaultIdentifiers },
    { kEventClassToolbar, kEventToolbarGetAllowedIdentifiers },
    { kEventClassToolbar, kEventToolbarCreateItemWithIdentifier },
};

static OSStatus ToolbarDelegateHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
    OSStatus result = eventNotHandledErr;
    // Not yet needed
    // wxToolBar* toolbar = (wxToolBar*) inUserData ;
    CFMutableArrayRef   array;

    switch ( GetEventKind( inEvent ) )
    {
        case kEventToolbarGetDefaultIdentifiers:
            {
                GetEventParameter( inEvent, kEventParamMutableArray, typeCFMutableArrayRef, NULL,
                    sizeof( CFMutableArrayRef ), NULL, &array );
                // not implemented yet
                // GetToolbarDefaultItems( array );
                result = noErr;
            }
            break;
            
        case kEventToolbarGetAllowedIdentifiers:
            {
                GetEventParameter( inEvent, kEventParamMutableArray, typeCFMutableArrayRef, NULL,
                    sizeof( CFMutableArrayRef ), NULL, &array );
                // not implemented yet
                // GetToolbarAllowedItems( array );
                result = noErr;
            }
            break;
        case kEventToolbarCreateItemWithIdentifier:
            {
                HIToolbarItemRef        item = NULL;
                CFTypeRef               data = NULL;
                CFStringRef             identifier = NULL ;
                
                GetEventParameter( inEvent, kEventParamToolbarItemIdentifier, typeCFStringRef, NULL,
                        sizeof( CFStringRef ), NULL, &identifier );
                
                GetEventParameter( inEvent, kEventParamToolbarItemConfigData, typeCFTypeRef, NULL,
                        sizeof( CFTypeRef ), NULL, &data );
                    
                if ( CFStringCompare( kControlToolbarItemClassID, identifier, kCFCompareBackwards ) == kCFCompareEqualTo )
                {
                    item = CreateControlToolbarItem( kControlToolbarItemClassID, data );
                    if ( item )
                    {
                        SetEventParameter( inEvent, kEventParamToolbarItem, typeHIToolbarItemRef,
                            sizeof( HIToolbarItemRef ), &item );
                        result = noErr;
                    }
                }
                
            }
            break;
    }
    return result ;
}
#endif // wxMAC_USE_NATIVE_TOOLBAR

// also for the toolbar we have the dual implementation:
// only when MacInstallNativeToolbar is called is the native toolbar set as the window toolbar

bool wxToolBar::Create(
    wxWindow *parent,
    wxWindowID id,
    const wxPoint& pos,
    const wxSize& size,
    long style,
    const wxString& name )
{
    if ( !wxToolBarBase::Create( parent, id, pos, size, style, wxDefaultValidator, name ) )
        return false;

    FixupStyle();

    OSStatus err = noErr;

#if wxMAC_USE_NATIVE_TOOLBAR
    wxString labelStr = wxString::Format( wxT("%xd"), (int)this );
    err = HIToolbarCreate(
        wxMacCFStringHolder( labelStr, wxFont::GetDefaultEncoding() ), 0,
        (HIToolbarRef*) &m_macHIToolbarRef );

    if (m_macHIToolbarRef != NULL)
    {
        InstallEventHandler( HIObjectGetEventTarget((HIToolbarRef)m_macHIToolbarRef ), ToolbarDelegateHandler,
                GetEventTypeCount( kToolbarEvents ), kToolbarEvents, this, NULL );

        HIToolbarDisplayMode mode = kHIToolbarDisplayModeDefault;
        HIToolbarDisplaySize displaySize = kHIToolbarDisplaySizeSmall;

        if ( style & wxTB_NOICONS )
            mode = kHIToolbarDisplayModeLabelOnly;
        else if ( style & wxTB_TEXT )
            mode = kHIToolbarDisplayModeIconAndLabel;
        else
            mode = kHIToolbarDisplayModeIconOnly;

        HIToolbarSetDisplayMode( (HIToolbarRef) m_macHIToolbarRef, mode );
        HIToolbarSetDisplaySize( (HIToolbarRef) m_macHIToolbarRef, displaySize );
    }
#endif

    return (err == noErr);
}