Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens

[wxWidgets.git] / src / common / prntbase.cpp

diff --git a/src/common/prntbase.cpp b/src/common/prntbase.cpp
index e363bd6b7629c5bc9cbfd419af6bc7f74b942496..8e7e80b76929dc40fe1778d31c59e0a66ed059e4 100644 (file)
--- a/src/common/prntbase.cpp
+++ b/src/common/prntbase.cpp
@@ -55,7 +55,6 @@
     #endif
 #endif // __WXMSW__
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_CLASS(wxPrinterBase, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
@@ -71,7 +70,6 @@ BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
     EVT_PAINT(wxPreviewCanvas::OnPaint)
     EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
 END_EVENT_TABLE()
-#endif
 
 /*
 * Printer
@@ -84,10 +82,12 @@ wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
     sm_abortIt = FALSE;
     if (data)
         m_printDialogData = (*data);
+    sm_lastError = wxPRINTER_NO_ERROR;
 }
 
 wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 bool wxPrinterBase::sm_abortIt = FALSE;
+wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
 
 wxPrinterBase::~wxPrinterBase()
 {
@@ -115,7 +115,7 @@ wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout *WXUNUSE
     return dialog;
 }
 
-void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), char *message)
+void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message)
 {
     wxMessageBox(message, _("Printing Error"), wxOK, parent);
 }
@@ -197,6 +197,13 @@ void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
     wxPaintDC dc(this);
     PrepareDC( dc );
 
+/*
+#ifdef __WXGTK__
+    if (!GetUpdateRegion().IsEmpty())
+        dc.SetClippingRegion( GetUpdateRegion() );
+#endif
+*/
+
     if (m_printPreview)
     {
         m_printPreview->PaintPage(this, dc);
@@ -363,14 +370,14 @@ void wxPreviewControlBar::CreateButtons()
 
     if (m_buttonFlags & wxPREVIEW_PREVIOUS)
     {
-        m_previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, "<<", wxPoint(x, y),
+        m_previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, wxT("<<"), wxPoint(x, y),
             wxSize(buttonWidth, buttonHeight));
         x += gap + buttonWidth;
     }
 
     if (m_buttonFlags & wxPREVIEW_NEXT)
     {
-        m_nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, ">>",
+        m_nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, wxT(">>"),
             wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
         x += gap + buttonWidth;
     }
@@ -384,14 +391,21 @@ void wxPreviewControlBar::CreateButtons()
             "120%", "150%", "200%"
         };
 
-        m_zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM,
-                                     wxPoint(x, y), wxSize(100, -1));
-                                    
-        // Yes, this look stupid, but this is because gcc gives up otherwise.
         int n = WXSIZEOF(choices);
-        for ( int i = 0; i < n; i++ )
-           m_zoomControl->Append(choices[i]);
-       
+
+        wxString* strings = new wxString[n];
+        int i;
+        for (i = 0; i < n; i++ )
+           strings[i] = choices[i];
+
+        m_zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM,
+                                     wxPoint(x, y),
+                                     wxSize(100, -1),
+                                     n,
+                                     strings
+                                    );
+        delete[] strings;
+
         SetZoomControl(m_printPreview->GetZoom());
     }
 
@@ -402,6 +416,7 @@ void wxPreviewControlBar::SetZoomControl(int zoom)
 {
     char buf[20];
     sprintf(buf, "%d%%", zoom);
+// Someone is calling methods that do no exist in wxChoice!! So I'll just comment out for VA for now
     if (m_zoomControl)
         m_zoomControl->SetStringSelection(buf);
 }
@@ -597,7 +612,8 @@ bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
 
     if (m_previewCanvas)
     {
-        RenderPage(pageNum);
+        if (!RenderPage(pageNum))
+               return FALSE;
         m_previewCanvas->Refresh();
     }
     return TRUE;
@@ -608,7 +624,8 @@ bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
     DrawBlankPage(canvas, dc);
 
     if (!m_previewBitmap)
-        RenderPage(m_currentPage);
+        if (!RenderPage(m_currentPage))
+               return FALSE;
 
     if (!m_previewBitmap)
         return FALSE;
@@ -640,12 +657,14 @@ bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
 
 bool wxPrintPreviewBase::RenderPage(int pageNum)
 {
+    wxBusyCursor busy;
+
     int canvasWidth, canvasHeight;
 
     if (!m_previewCanvas)
     {
-        wxMessageBox(_("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"),
-            _("Print Preview Failure"), wxOK);
+        wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
+
         return FALSE;
     }
     m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
@@ -665,8 +684,10 @@ bool wxPrintPreviewBase::RenderPage(int pageNum)
         m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
         if (!m_previewBitmap || !m_previewBitmap->Ok())
         {
-            if (m_previewBitmap)
+            if (m_previewBitmap) {
                 delete m_previewBitmap;
+                m_previewBitmap = NULL;
+            }
             wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
             return FALSE;
         }
@@ -696,6 +717,7 @@ bool wxPrintPreviewBase::RenderPage(int pageNum)
         memoryDC.SelectObject(wxNullBitmap);
 
         delete m_previewBitmap;
+        m_previewBitmap = NULL;
         return FALSE;
     }
 
@@ -772,10 +794,10 @@ void wxPrintPreviewBase::SetZoom(int percent)
         m_previewBitmap = NULL;
     }
 
-
     if (m_previewCanvas)
     {
         RenderPage(m_currentPage);
+        ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
         m_previewCanvas->Clear();
         m_previewCanvas->Refresh();
     }