- // updatergn is always already clipped to our boundaries
- WindowRef window = GetMacRootWindow() ;
- wxWindow* win = wxFindWinFromMacWindow( window ) ;
- {
- wxMacDrawingHelper focus( this ) ; // was client
- if ( focus.Ok() )
- {
- WindowRef window = GetMacRootWindow() ;
- bool eraseBackground = false ;
- if ( m_macWindowData )
- eraseBackground = true ;
- if ( m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE) )
- {
- UMASetThemeWindowBackground( window , kThemeBrushDocumentWindowBackground , false ) ;
- }
- else if ( m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
- {
- // on mac we have the difficult situation, that 3dface gray can be different colours, depending whether
- // it is on a notebook panel or not, in order to take care of that we walk up the hierarchy until we have
- // either a non gray background color or a non control window
-
-
- wxWindow* parent = GetParent() ;
- while( parent )
- {
- if ( parent->GetMacRootWindow() != window )
- {
- // we are in a different window on the mac system
- parent = NULL ;
- break ;
- }
-
- if( parent->IsKindOf( CLASSINFO( wxControl ) ) && ((wxControl*)parent)->GetMacControl() )
- {
- if ( parent->m_backgroundColour != wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
- {
- // if we have any other colours in the hierarchy
- RGBBackColor( &parent->m_backgroundColour.GetPixel()) ;
- break ;
- }
- // if we have the normal colours in the hierarchy but another control etc. -> use it's background
- if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
- {
- Rect box ;
- GetRegionBounds( updatergn , &box) ;
- UMAApplyThemeBackground(kThemeBackgroundTabPane, &box , kThemeStateActive,8,true);
- break ;
- }
- }
- else
- {
- parent = NULL ;
- break ;
- }
- parent = parent->GetParent() ;
- }
- if ( !parent )
- {
- // if there is nothing special -> use default
- UMASetThemeWindowBackground( window , kThemeBrushDialogBackgroundActive , false ) ;
- }
- }
- else
- {
- RGBBackColor( &m_backgroundColour.GetPixel()) ;
- }
- if ( GetParent() && m_backgroundColour != GetParent()->GetBackgroundColour() )
- eraseBackground = true ;
- SetClip( updatergn ) ;
- if ( eraseBackground )
- {
- EraseRgn( updatergn ) ;
- }
- }
-
- m_macUpdateRgn = updatergn ;
- {
- RgnHandle newupdate = NewRgn() ;
- wxSize point = GetClientSize() ;
- wxPoint origin = GetClientAreaOrigin() ;
-
- SetRectRgn( newupdate , origin.x , origin.y , origin.x + point.x , origin.y+point.y ) ;
- SectRgn( newupdate , m_macUpdateRgn , newupdate ) ;
- OffsetRgn( newupdate , -origin.x , -origin.y ) ;
- m_updateRegion = newupdate ;
- DisposeRgn( newupdate ) ;
- }
-
- MacPaintBorders() ;
- wxPaintEvent event;
- event.m_timeStamp = time ;
- event.SetEventObject(this);
- GetEventHandler()->ProcessEvent(event);
- }
-
-
- RgnHandle childupdate = NewRgn() ;
-
- for (wxNode *node = GetChildren().First(); node; node = node->Next())
- {
- wxWindow *child = (wxWindow*)node->Data();
- SetRectRgn( childupdate , child->m_x , child->m_y , child->m_x + child->m_width , child->m_y + child->m_height ) ;
- SectRgn( childupdate , m_macUpdateRgn , childupdate ) ;
- OffsetRgn( childupdate , -child->m_x , -child->m_y ) ;
- if ( child->GetMacRootWindow() == window && child->IsShown() && !EmptyRgn( childupdate ) )
- {
- // because dialogs may also be children
- child->MacRedraw( childupdate , time ) ;
- }
- }
- DisposeRgn( childupdate ) ;
- // eventually a draw grow box here
+ RgnHandle updatergn = (RgnHandle) updatergnr ;
+ // updatergn is always already clipped to our boundaries
+ // it is in window coordinates, not in client coordinates
+
+ WindowRef window = (WindowRef) MacGetRootWindow() ;
+
+ {
+ // ownUpdateRgn is the area that this window has to repaint, it is in window coordinates
+ RgnHandle ownUpdateRgn = NewRgn() ;
+ CopyRgn( updatergn , ownUpdateRgn ) ;
+
+ SectRgn( ownUpdateRgn , (RgnHandle) MacGetVisibleRegion().GetWXHRGN() , ownUpdateRgn ) ;
+
+ // newupdate is the update region in client coordinates
+ RgnHandle newupdate = NewRgn() ;
+ wxSize point = GetClientSize() ;
+ wxPoint origin = GetClientAreaOrigin() ;
+ SetRectRgn( newupdate , origin.x , origin.y , origin.x + point.x , origin.y+point.y ) ;
+ SectRgn( newupdate , ownUpdateRgn , newupdate ) ;
+ OffsetRgn( newupdate , -origin.x , -origin.y ) ;
+ m_updateRegion = newupdate ;
+ DisposeRgn( newupdate ) ; // it's been cloned to m_updateRegion
+
+ if ( erase && !EmptyRgn(ownUpdateRgn) )
+ {
+ wxWindowDC dc(this);
+ if (!EmptyRgn(ownUpdateRgn))
+ dc.SetClippingRegion(wxRegion(ownUpdateRgn));
+ wxEraseEvent eevent( GetId(), &dc );
+ eevent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( eevent );
+
+ wxNcPaintEvent eventNc( GetId() );
+ eventNc.SetEventObject( this );
+ GetEventHandler()->ProcessEvent( eventNc );
+ }
+ DisposeRgn( ownUpdateRgn ) ;
+ if ( !m_updateRegion.Empty() )
+ {
+ wxPaintEvent event;
+ event.m_timeStamp = time ;
+ event.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(event);
+ }
+ }
+
+ // now intersect for each of the children their rect with the updateRgn and call MacRedraw recursively
+
+ RgnHandle childupdate = NewRgn() ;
+ for (wxWindowListNode *node = GetChildren().GetFirst(); node; node = node->GetNext())
+ {
+ // calculate the update region for the child windows by intersecting the window rectangle with our own
+ // passed in update region and then offset it to be client-wise window coordinates again
+ wxWindowMac *child = (wxWindowMac*)node->GetData();
+ SetRectRgn( childupdate , child->m_x , child->m_y , child->m_x + child->m_width , child->m_y + child->m_height ) ;
+ SectRgn( childupdate , updatergn , childupdate ) ;
+ OffsetRgn( childupdate , -child->m_x , -child->m_y ) ;
+ if ( child->MacGetRootWindow() == window && child->IsShown() && !EmptyRgn( childupdate ) )
+ {
+ // because dialogs may also be children
+ child->MacRedraw( childupdate , time , erase ) ;
+ }
+ }
+ DisposeRgn( childupdate ) ;
+ // eventually a draw grow box here
+