X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/653752be8a1d2a2e14da6aa225f0ce3e393909ad..a685dd314cc5daeb1492a4a57f475df91d6cd126:/src/common/dcbase.cpp diff --git a/src/common/dcbase.cpp b/src/common/dcbase.cpp index 84ac42aa3c..08d7d49e2b 100644 --- a/src/common/dcbase.cpp +++ b/src/common/dcbase.cpp @@ -330,7 +330,7 @@ void wxDCBase::DoDrawSpline( wxList *points ) double x1, y1, x2, y2; wxList::compatibility_iterator node = points->GetFirst(); - if (node == wxList::compatibility_iterator()) + if (!node) // empty list return; @@ -1150,359 +1150,3 @@ void wxDCBase::CalculateEllipticPoints( wxList* points, } // 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); -}