double x1, y1, x2, y2;
wxList::compatibility_iterator node = points->GetFirst();
- if (node == wxList::compatibility_iterator())
+ if (!node)
// empty list
return;
} // CalculateEllipticPoints
#endif
-
-//
-// temporary home for wxOverlay
-//
-
-#include "wx/dcclient.h"
-#include "wx/dcmemory.h"
-
-#if defined(wxMAC_USE_CORE_GRAPHICS) && wxMAC_USE_CORE_GRAPHICS
-
-#include "wx/mac/private.h"
-#include "wx/toplevel.h"
-
-class wxOverlayImpl
-{
-public:
- wxOverlayImpl() ;
- ~wxOverlayImpl() ;
-
-
- // clears the overlay without restoring the former state
- // to be done eg when the window content has been changed and repainted
- void Reset();
-
- // returns true if it has been setup
- bool IsOk();
-
- void Init( wxWindowDC* dc, int x , int y , int width , int height );
-
- void BeginDrawing( wxWindowDC* dc);
-
- void EndDrawing( wxWindowDC* dc);
-
- void Clear( wxWindowDC* dc);
-
-private:
- OSStatus CreateOverlayWindow();
-
- void MacGetBounds( Rect *bounds );
-
- WindowRef m_overlayWindow;
- WindowRef m_overlayParentWindow;
- CGContextRef m_overlayContext ;
- // we store the window in case we would have to issue a Refresh()
- wxWindow* m_window ;
-
- int m_x ;
- int m_y ;
- int m_width ;
- int m_height ;
-} ;
-
-wxOverlayImpl::wxOverlayImpl()
-{
- m_window = NULL ;
- m_overlayContext = NULL ;
- m_overlayWindow = NULL ;
-}
-
-wxOverlayImpl::~wxOverlayImpl()
-{
- Reset();
-}
-
-bool wxOverlayImpl::IsOk()
-{
- return m_overlayWindow != NULL ;
-}
-
-void wxOverlayImpl::MacGetBounds( Rect *bounds )
-{
- wxPoint origin(0,0);
- origin = m_window->ClientToScreen( origin );
- bounds->top = origin.y;
- bounds->left = origin.x;
- bounds->bottom = origin.y+m_y+m_height;
- bounds->right = origin.x+m_x+m_width;
-}
-
-OSStatus wxOverlayImpl::CreateOverlayWindow()
-{
- OSStatus err;
-
- WindowAttributes overlayAttributes = kWindowIgnoreClicksAttribute;
-
- m_overlayParentWindow =(WindowRef) m_window->MacGetTopLevelWindowRef();
-
- Rect bounds ;
- MacGetBounds(&bounds);
- err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
- if ( err == noErr )
- {
- SetWindowGroup( m_overlayWindow, GetWindowGroup(m_overlayParentWindow)); // Put them in the same group so that their window layers are consistent
- ShowWindow(m_overlayWindow);
- }
- return err;
-}
-
-void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
- wxASSERT_MSG( !IsOk() , _("You cannot Init an overlay twice") );
-
- m_window = dc->GetWindow();
- m_x = x ;
- m_y = y ;
- m_width = width ;
- m_height = height ;
-
- OSStatus err = CreateOverlayWindow();
- wxASSERT_MSG( err == noErr , _("Couldn't create the overlay window") );
-#ifndef __LP64__
- err = QDBeginCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
-#endif
- CGContextTranslateCTM( m_overlayContext, 0, m_height+m_y );
- CGContextScaleCTM( m_overlayContext, 1, -1 );
- wxASSERT_MSG( err == noErr , _("Couldn't init the context on the overlay window") );
-}
-
-void wxOverlayImpl::BeginDrawing( wxWindowDC* dc)
-{
- delete dc->m_graphicContext ;
- dc->m_graphicContext = new wxMacCGContext( m_overlayContext );
- // we are right now startin at 0,0 not at the wxWindow's origin, so most of the calculations
- // int dc are already corect
- // just to make sure :
- dc->m_macLocalOrigin.x = 0 ;
- dc->m_macLocalOrigin.y = 0 ;
- wxSize size = m_window->GetSize() ;
- dc->SetClippingRegion( 0 , 0 , size.x , size.y ) ;
-}
-
-void wxOverlayImpl::EndDrawing( wxWindowDC* dc)
-{
- delete dc->m_graphicContext ;
- dc->m_graphicContext = NULL ;
-
-}
-
-void wxOverlayImpl::Clear(wxWindowDC* dc)
-{
- wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") );
- CGRect box = CGRectMake( m_x - 1, m_y - 1 , m_width + 2 , m_height + 2 );
- CGContextClearRect( m_overlayContext, box );
-}
-
-void wxOverlayImpl::Reset()
-{
- if ( m_overlayContext )
- {
-#ifndef __LP64__
- OSStatus err = QDEndCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
- wxASSERT_MSG( err == noErr , _("Couldn't end the context on the overlay window") );
-#endif
- m_overlayContext = NULL ;
- }
-
- // todo : don't dispose, only hide and reposition on next run
- if (m_overlayWindow)
- {
- DisposeWindow(m_overlayWindow);
- m_overlayWindow = NULL ;
- }
-}
-
-//
-//
-//
-
-#else // ie not wxMAC_USE_CORE_GRAPHICS
-
-class wxOverlayImpl
-{
-public:
- wxOverlayImpl() ;
- ~wxOverlayImpl() ;
-
-
- // clears the overlay without restoring the former state
- // to be done eg when the window content has been changed and repainted
- void Reset();
-
- // returns true if it has been setup
- bool IsOk();
-
- void Init( wxWindowDC* dc, int x , int y , int width , int height );
-
- void BeginDrawing( wxWindowDC* dc);
-
- void EndDrawing( wxWindowDC* dc);
-
- void Clear( wxWindowDC* dc);
-
-private:
- wxBitmap m_bmpSaved ;
- int m_x ;
- int m_y ;
- int m_width ;
- int m_height ;
-// this is to enable wxMOTIF and UNIV to compile....
-// currently (10 oct 06) we don't use m_window
-// ce - how do we fix this
-#if defined(__WXGTK__) || defined(__WXMSW__)
-//
- wxWindow* m_window ;
-#endif
-} ;
-
-wxOverlayImpl::wxOverlayImpl()
-{
-#if defined(__WXGTK__) || defined(__WXMSW__)
- m_window = NULL ;
-#endif
- m_x = m_y = m_width = m_height = 0 ;
-}
-
-wxOverlayImpl::~wxOverlayImpl()
-{
-}
-
-bool wxOverlayImpl::IsOk()
-{
- return m_bmpSaved.Ok() ;
-}
-
-void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
-#if defined(__WXGTK__)
- m_window = dc->m_owner;
-#else
- #if defined (__WXMSW__)
- m_window = dc->GetWindow();
- #endif // __WXMSW__
-
-#endif
- wxMemoryDC dcMem ;
- m_bmpSaved.Create( width, height );
- dcMem.SelectObject( m_bmpSaved );
- m_x = x ;
- m_y = y ;
- m_width = width ;
- m_height = height ;
-#if defined(__WXGTK__) && !defined(__WX_DC_BLIT_FIXED__)
- wxPoint pt = dc->GetDeviceOrigin();
- x += pt.x;
- y += pt.y;
-#endif // broken wxGTK wxDC::Blit
- dcMem.Blit(0, 0, m_width, m_height,
- dc, x, y);
- dcMem.SelectObject( wxNullBitmap );
-}
-
-void wxOverlayImpl::Clear(wxWindowDC* dc)
-{
- wxMemoryDC dcMem ;
- dcMem.SelectObject( m_bmpSaved );
- dc->Blit( m_x, m_y, m_width, m_height , &dcMem , 0 , 0 );
- dcMem.SelectObject( wxNullBitmap );
-}
-
-void wxOverlayImpl::Reset()
-{
- m_bmpSaved = wxBitmap();
-}
-
-void wxOverlayImpl::BeginDrawing(wxWindowDC* WXUNUSED(dc))
-{
-}
-
-void wxOverlayImpl::EndDrawing(wxWindowDC* WXUNUSED(dc))
-{
-}
-
-#endif
-
-// common code
-
-wxOverlay::wxOverlay()
-{
- m_impl = new wxOverlayImpl();
- m_inDrawing = false;
-}
-
-wxOverlay::~wxOverlay()
-{
- wxDELETE( m_impl );
-}
-
-bool wxOverlay::IsOk()
-{
- return m_impl->IsOk();
-}
-
-void wxOverlay::Init( wxWindowDC* dc, int x , int y , int width , int height )
-{
- m_impl->Init(dc, x, y, width, height);
-}
-
-void wxOverlay::BeginDrawing( wxWindowDC* dc)
-{
- m_impl->BeginDrawing(dc);
- m_inDrawing = true ;
-}
-
-void wxOverlay::EndDrawing( wxWindowDC* dc)
-{
- m_impl->EndDrawing(dc);
- m_inDrawing = false ;
-}
-
-void wxOverlay::Clear( wxWindowDC* dc)
-{
- m_impl->Clear(dc);
-}
-
-void wxOverlay::Reset()
-{
- wxASSERT_MSG(m_inDrawing==false,wxT("cannot reset overlay during drawing"));
- m_impl->Reset();
-}
-
-// dc connector
-
-wxDCOverlay::wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc, int x , int y , int width , int height) :
- m_overlay(overlay)
-{
- Init(dc, x, y, width, height);
-}
-
-wxDCOverlay::wxDCOverlay(wxOverlay &overlay, wxWindowDC *dc) :
- m_overlay(overlay)
-{
- int width;
- int height;
- dc->GetSize(&width,&height);
- Init(dc, 0, 0, width, height);
-}
-
-wxDCOverlay::~wxDCOverlay()
-{
- m_overlay.EndDrawing(m_dc);
-}
-
-void wxDCOverlay::Init(wxWindowDC *dc, int x , int y , int width , int height )
-{
- m_dc = dc ;
- if ( !m_overlay.IsOk() )
- {
- m_overlay.Init(dc,x,y,width,height);
- }
- m_overlay.BeginDrawing(dc);
-}
-
-void wxDCOverlay::Clear()
-{
- m_overlay.Clear(m_dc);
-}
projects / wxWidgets.git / blobdiff