X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7c71eb6a2607235a29ffb29e3c39bb4f1a74fff7..4e916e61ea24c165fb55e78172f1093bf7481b48:/src/common/prntbase.cpp diff --git a/src/common/prntbase.cpp b/src/common/prntbase.cpp index 6e98cfadac..d4aa30278a 100644 --- a/src/common/prntbase.cpp +++ b/src/common/prntbase.cpp @@ -54,9 +54,9 @@ #include "wx/msw/printdlg.h" #include "wx/msw/dcprint.h" #elif defined(__WXMAC__) -#include "wx/mac/printdlg.h" -#include "wx/mac/private/print.h" -#include "wx/mac/dcprint.h" +#include "wx/osx/printdlg.h" +#include "wx/osx/private/print.h" +#include "wx/osx/dcprint.h" #elif defined(__WXPM__) #include "wx/os2/dcprint.h" #include "wx/generic/prntdlgg.h" @@ -212,7 +212,7 @@ wxDialog *wxNativePrintFactory::CreatePrintSetupDialog( wxWindow *parent, wxDCImpl* wxNativePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data ) { -#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXUNIVERSAL__) +#if defined(__WXGTK__) || defined(__WXMOTIF__) || ( defined(__WXUNIVERSAL__) && !defined(__WXMAC__) ) return new wxPostScriptDCImpl( owner, data ); #else return new wxPrinterDCImpl( owner, data ); @@ -261,7 +261,7 @@ wxPrintNativeDataBase *wxNativePrintFactory::CreatePrintNativeData() #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__) return new wxWindowsPrintNativeData; #elif defined(__WXMAC__) - return new wxMacCarbonPrintData; + return wxOSXCreatePrintData(); #else return new wxPostScriptPrintNativeData; #endif @@ -303,15 +303,15 @@ IMPLEMENT_CLASS(wxPrinterBase, wxObject) wxPrinterBase::wxPrinterBase(wxPrintDialogData *data) { - m_currentPrintout = (wxPrintout *) NULL; - sm_abortWindow = (wxWindow *) NULL; + m_currentPrintout = NULL; + sm_abortWindow = NULL; sm_abortIt = false; if (data) m_printDialogData = (*data); sm_lastError = wxPRINTER_NO_ERROR; } -wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL; +wxWindow *wxPrinterBase::sm_abortWindow = NULL; bool wxPrinterBase::sm_abortIt = false; wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR; @@ -512,7 +512,8 @@ void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) wxPrinterBase::sm_abortIt = true; wxPrinterBase::sm_abortWindow->Show(false); wxPrinterBase::sm_abortWindow->Close(true); - wxPrinterBase::sm_abortWindow = (wxWindow *) NULL; + wxPrinterBase::sm_abortWindow->Destroy(); + wxPrinterBase::sm_abortWindow = NULL; } //---------------------------------------------------------------------------- @@ -524,7 +525,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject) wxPrintout::wxPrintout(const wxString& title) { m_printoutTitle = title ; - m_printoutDC = (wxDC *) NULL; + m_printoutDC = NULL; m_pageWidthMM = 0; m_pageHeightMM = 0; m_pageWidthPixels = 0; @@ -808,6 +809,7 @@ IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow) BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow) EVT_PAINT(wxPreviewCanvas::OnPaint) EVT_CHAR(wxPreviewCanvas::OnChar) + EVT_IDLE(wxPreviewCanvas::OnIdle) EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged) #if wxUSE_MOUSEWHEEL EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel) @@ -859,6 +861,25 @@ void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) } } +void wxPreviewCanvas::OnIdle(wxIdleEvent& event) +{ + event.Skip(); + + // prevent UpdatePageRendering() from being called recursively: + static bool s_inIdle = false; + if ( s_inIdle ) + return; + s_inIdle = true; + + if ( m_printPreview ) + { + if ( m_printPreview->UpdatePageRendering() ) + Refresh(); + } + + s_inIdle = false; +} + // Responds to colour changes, and passes event on to children. void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event) { @@ -980,11 +1001,11 @@ wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long butto wxPanel(parent, wxID_ANY, pos, size, style, name) { m_printPreview = preview; - m_closeButton = (wxButton *) NULL; - m_nextPageButton = (wxButton *) NULL; - m_previousPageButton = (wxButton *) NULL; - m_printButton = (wxButton *) NULL; - m_zoomControl = (wxChoice *) NULL; + m_closeButton = NULL; + m_nextPageButton = NULL; + m_previousPageButton = NULL; + m_printButton = NULL; + m_zoomControl = NULL; m_buttonFlags = buttons; } @@ -1272,7 +1293,9 @@ void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) m_printPreview->SetCanvas(NULL); m_printPreview->SetFrame(NULL); } - delete m_printPreview; + + m_previewCanvas->SetPreview(NULL); + wxDELETE(m_printPreview); Destroy(); } @@ -1359,6 +1382,7 @@ void wxPrintPreviewBase::Init(wxPrintout *printout, m_previewCanvas = NULL; m_previewFrame = NULL; m_previewBitmap = NULL; + m_previewFailed = false; m_currentPage = 1; m_currentZoom = 70; m_topMargin = 40; @@ -1386,18 +1410,13 @@ bool wxPrintPreviewBase::SetCurrentPage(int pageNum) return true; m_currentPage = pageNum; - if (m_previewBitmap) - { - delete m_previewBitmap; - m_previewBitmap = NULL; - } + + InvalidatePreviewBitmap(); if (m_previewCanvas) { AdjustScrollbars(m_previewCanvas); - if (!RenderPage(pageNum)) - return false; m_previewCanvas->Refresh(); m_previewCanvas->SetFocus(); } @@ -1454,13 +1473,35 @@ void wxPrintPreviewBase::CalcRects(wxPreviewCanvas *canvas, wxRect& pageRect, wx } +void wxPrintPreviewBase::InvalidatePreviewBitmap() +{ + wxDELETE(m_previewBitmap); + // if there was a problem with rendering the preview, try again now + // that it changed in some way (less memory may be needed, for example): + m_previewFailed = false; +} + +bool wxPrintPreviewBase::UpdatePageRendering() +{ + if ( m_previewBitmap ) + return false; + + if ( m_previewFailed ) + return false; + + if ( !RenderPage(m_currentPage) ) + { + m_previewFailed = true; // don't waste time failing again + return false; + } + + return true; +} + bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc) { DrawBlankPage(canvas, dc); - if (!m_previewBitmap) - if (!RenderPage(m_currentPage)) - return false; if (!m_previewBitmap) return false; if (!canvas) @@ -1495,6 +1536,47 @@ void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas) canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true); } +bool wxPrintPreviewBase::RenderPageIntoDC(wxDC& dc, int pageNum) +{ + m_previewPrintout->SetDC(&dc); + m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight); + + // Need to delay OnPreparePrinting() until here, so we have enough + // information. + if (!m_printingPrepared) + { + m_previewPrintout->OnPreparePrinting(); + int selFrom, selTo; + m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo); + m_printingPrepared = true; + } + + m_previewPrintout->OnBeginPrinting(); + + if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage())) + { + wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK); + return false; + } + + m_previewPrintout->OnPrintPage(pageNum); + m_previewPrintout->OnEndDocument(); + m_previewPrintout->OnEndPrinting(); + + m_previewPrintout->SetDC(NULL); + + return true; +} + +bool wxPrintPreviewBase::RenderPageIntoBitmap(wxBitmap& bmp, int pageNum) +{ + wxMemoryDC memoryDC; + memoryDC.SelectObject(bmp); + memoryDC.Clear(); + + return RenderPageIntoDC(memoryDC, pageNum); +} + bool wxPrintPreviewBase::RenderPage(int pageNum) { wxBusyCursor busy; @@ -1514,53 +1596,19 @@ bool wxPrintPreviewBase::RenderPage(int pageNum) if (!m_previewBitmap || !m_previewBitmap->Ok()) { - if (m_previewBitmap) { - delete m_previewBitmap; - m_previewBitmap = NULL; - } + InvalidatePreviewBitmap(); wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK); return false; } } - wxMemoryDC memoryDC; - memoryDC.SelectObject(*m_previewBitmap); - - memoryDC.Clear(); - - m_previewPrintout->SetDC(&memoryDC); - m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight); - - // Need to delay OnPreparePrinting until here, so we have enough information. - if (!m_printingPrepared) - { - m_previewPrintout->OnPreparePrinting(); - int selFrom, selTo; - m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo); - m_printingPrepared = true; - } - - m_previewPrintout->OnBeginPrinting(); - - if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage())) + if ( !RenderPageIntoBitmap(*m_previewBitmap, pageNum) ) { - wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK); - - memoryDC.SelectObject(wxNullBitmap); - - delete m_previewBitmap; - m_previewBitmap = NULL; + InvalidatePreviewBitmap(); + wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK); return false; } - m_previewPrintout->OnPrintPage(pageNum); - m_previewPrintout->OnEndDocument(); - m_previewPrintout->OnEndPrinting(); - - m_previewPrintout->SetDC(NULL); - - memoryDC.SelectObject(wxNullBitmap); - #if wxUSE_STATUSBAR wxString status; if (m_maxPage != 0) @@ -1607,16 +1655,12 @@ void wxPrintPreviewBase::SetZoom(int percent) return; m_currentZoom = percent; - if (m_previewBitmap) - { - delete m_previewBitmap; - m_previewBitmap = NULL; - } + + InvalidatePreviewBitmap(); if (m_previewCanvas) { AdjustScrollbars(m_previewCanvas); - RenderPage(m_currentPage); ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0); m_previewCanvas->ClearBackground(); m_previewCanvas->Refresh(); @@ -1724,6 +1768,11 @@ bool wxPrintPreview::PaintPage(wxPreviewCanvas *canvas, wxDC& dc) return m_pimpl->PaintPage( canvas, dc ); } +bool wxPrintPreview::UpdatePageRendering() +{ + return m_pimpl->UpdatePageRendering(); +} + bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc) { return m_pimpl->DrawBlankPage( canvas, dc );