added wxPrinter::GetLastError

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7678 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/prntbase.h

@@ -38,6 +38,15 @@ class WXDLLEXPORT wxPreviewCanvas;
 class WXDLLEXPORT wxPreviewControlBar;
 class WXDLLEXPORT wxPreviewFrame;
 
+
+enum wxPrinterError
+{
+    wxPRINTER_NO_ERROR = 0,
+    wxPRINTER_CANCELLED,
+    wxPRINTER_ERROR
+};
+
+
 /*
  * Represents the printer: manages printing a wxPrintout object
  */
@@ -57,6 +66,8 @@ public:
         { return (wxPrintDialogData&) m_printDialogData; }
     bool GetAbort() const { return sm_abortIt; }
     
+    static wxPrinterError GetLastError() { return sm_lastError; }
+
     ///////////////////////////////////////////////////////////////////////////
     // OVERRIDES
 
@@ -67,6 +78,9 @@ public:
 protected:
     wxPrintDialogData     m_printDialogData;
     wxPrintout*           m_currentPrintout;
+    
+    static wxPrinterError sm_lastError;
+    
 public:
     static wxWindow*      sm_abortWindow;
     static bool           sm_abortIt;

src/common/prntbase.cpp

@@ -82,10 +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()
 {

src/generic/printps.cpp

@@ -80,7 +80,10 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
     sm_abortWindow = (wxWindow *) NULL;
 
     if (!printout)
+    {
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
+    }
 
     printout->SetIsPreview(FALSE);
 
@@ -96,7 +99,10 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 
     if (maxPage == 0)
+    {
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
+    }
 
     m_printDialogData.SetMinPage(minPage);
     m_printDialogData.SetMaxPage(maxPage);
@@ -138,6 +144,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
     if (!dc || !dc->Ok())
     {
         if (dc) delete dc;
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
     }
 
@@ -189,6 +196,8 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
 
     printout->OnBeginPrinting();
 
+    sm_lastError = wxPRINTER_NO_ERROR;
+
     bool keepGoing = TRUE;
 
     int copyCount;
@@ -197,11 +206,15 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
         {
             wxEndBusyCursor();
-            wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
+            wxLogError(_("Could not start printing."));
+            sm_lastError = wxPRINTER_ERROR;
             break;
         }
         if (sm_abortIt)
+        {
+            sm_lastError = wxPRINTER_CANCELLED;
             break;
+        }
 
         int pn;
         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
@@ -210,6 +223,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
             if (sm_abortIt)
             {
                 keepGoing = FALSE;
+                sm_lastError = wxPRINTER_CANCELLED;
                 break;
             }
             else
@@ -225,6 +239,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
                else
                {
                   sm_abortIt = TRUE;
+                  sm_lastError = wxPRINTER_CANCELLED;
                   keepGoing = FALSE;
                }
             }
@@ -240,7 +255,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
 
     delete dc;
 
-    return TRUE;
+    return (sm_lastError == wxPRINTER_NO_ERROR);
 }
 
 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
@@ -252,7 +267,14 @@ wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
     {
         dc = dialog->GetPrintDC();
         m_printDialogData = dialog->GetPrintDialogData();
+        if (dc == NULL)
+            sm_lastError = wxPRINTER_ERROR;
+        else
+            sm_lastError = wxPRINTER_NO_ERROR;
     }
+    else
+        sm_lastError = wxPRINTER_CANCELLED;
+
     dialog->Destroy();
 
     return dc;

src/msw/printwin.cpp

@@ -100,7 +100,10 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
     sm_abortWindow = NULL;
 
     if (!printout)
+    {
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
+    }
 
     printout->SetIsPreview(FALSE);
 
@@ -115,7 +118,10 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
     printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
 
     if (maxPage == 0)
+    {
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
+    }
 
     m_printDialogData.SetMinPage(minPage);
     m_printDialogData.SetMaxPage(maxPage);
@@ -175,6 +181,7 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
     if (logPPIPrinterX == 0 || logPPIPrinterY == 0)
     {
         delete dc;
+        sm_lastError = wxPRINTER_ERROR;
         return FALSE;
     }
 
@@ -222,6 +229,7 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
     {
         wxEndBusyCursor();
         wxLogDebug(wxT("Could not create an abort dialog."));
+        sm_lastError = wxPRINTER_ERROR;
 
         delete dc;
     }
@@ -231,6 +239,8 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
 
     printout->OnBeginPrinting();
 
+    sm_lastError = wxPRINTER_NO_ERROR;
+
     int copyCount;
     for ( copyCount = 1;
           copyCount <= m_printDialogData.GetNoCopies();
@@ -240,10 +250,14 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
         {
             wxEndBusyCursor();
             wxLogError(_("Could not start printing."));
+            sm_lastError = wxPRINTER_ERROR;
             break;
         }
         if (sm_abortIt)
+        {
+            sm_lastError = wxPRINTER_CANCELLED;
             break;
+        }
 
         int pn;
         for ( pn = m_printDialogData.GetFromPage();
@@ -252,6 +266,7 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
         {
             if ( sm_abortIt )
             {
+                sm_lastError = wxPRINTER_CANCELLED;
                 break;
             }
 
@@ -260,7 +275,10 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
             dc->EndPage();
 
             if ( !cont )
+            {
+                sm_lastError = wxPRINTER_CANCELLED;
                 break;
+            }
         }
 
         printout->OnEndDocument();
@@ -279,7 +297,7 @@ bool wxWindowsPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt
 
     delete dc;
 
-    return TRUE;
+    return (sm_lastError == wxPRINTER_NO_ERROR);
 }
 
 wxDC* wxWindowsPrinter::PrintDialog(wxWindow *parent)
@@ -293,7 +311,13 @@ wxDC* wxWindowsPrinter::PrintDialog(wxWindow *parent)
     {
         dc = dialog.GetPrintDC();
         m_printDialogData = dialog.GetPrintDialogData();
+        if (dc == NULL) 
+            sm_lastError = wxPRINTER_ERROR;
+        else
+            sm_lastError = wxPRINTER_NO_ERROR;
     }
+    else
+        sm_lastError = wxPRINTER_CANCELLED;
 
     return dc;
 }