small optimization in wxConfigPathChanger: don't change the path if it is already...

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

diff --git a/src/common/prntbase.cpp b/src/common/prntbase.cpp
index 035a76c16daf04e6ee9f99a90098900ada8b00d2..28f74cecd591db41f12cff1524b6a056d886891a 100644 (file)
--- a/src/common/prntbase.cpp
+++ b/src/common/prntbase.cpp
@@ -5,11 +5,11 @@
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "prntbase.h"
 #endif
 
 #pragma implementation "prntbase.h"
 #endif
 


@@ -22,6 +22,8 @@
 
 #include "wx/defs.h"
 
 
 #include "wx/defs.h"
 

+#if wxUSE_PRINTING_ARCHITECTURE
+

 #ifndef WX_PRECOMP
 #include "wx/utils.h"
 #include "wx/dc.h"
 #ifndef WX_PRECOMP
 #include "wx/utils.h"
 #include "wx/dc.h"


@@ -34,32 +36,27 @@
 #include "wx/dcmemory.h"
 #include "wx/stattext.h"
 #include "wx/intl.h"
 #include "wx/dcmemory.h"
 #include "wx/stattext.h"
 #include "wx/intl.h"

-#endif
+#include "wx/textdlg.h"
+#include "wx/sizer.h"
+#endif // !WX_PRECOMP

 
 #include "wx/prntbase.h"
 #include "wx/dcprint.h"
 #include "wx/printdlg.h"
 
 #include "wx/prntbase.h"
 #include "wx/dcprint.h"
 #include "wx/printdlg.h"

+#include "wx/module.h"

 
 #include <stdlib.h>
 #include <string.h>
 
 #ifdef __WXMSW__
 
 #include <stdlib.h>
 #include <string.h>
 
 #ifdef __WXMSW__

-#include <windows.h>
-#include <commdlg.h>
-
-// Clash with Windows header files
-#ifdef StartDoc
-#undef StartDoc
-#endif
+    #include "wx/msw/private.h"
+    #include <commdlg.h>

 
 

-#ifndef __WIN32__
-#include <print.h>
-#endif
+    #ifndef __WIN32__
+        #include <print.h>
+    #endif
+#endif // __WXMSW__

 
 

-#endif
- // End __WXMSW__
-
-#if !USE_SHARED_LIBRARY

 IMPLEMENT_CLASS(wxPrinterBase, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
 IMPLEMENT_CLASS(wxPrinterBase, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)


@@ -68,30 +65,32 @@ IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
 IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
 
 BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
 IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
 
 BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)

-       EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
+    EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)

 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
     EVT_PAINT(wxPreviewCanvas::OnPaint)
 END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
     EVT_PAINT(wxPreviewCanvas::OnPaint)

+    EVT_CHAR(wxPreviewCanvas::OnChar)

     EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
 END_EVENT_TABLE()
     EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
 END_EVENT_TABLE()

-#endif

 
 /*
 
 /*

- * Printer
- */
- 
-wxPrinterBase::wxPrinterBase(wxPrintData *data)
+* Printer
+*/
+
+wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)

 {
 {

-  m_currentPrintout = (wxPrintout *) NULL;
-  sm_abortWindow = (wxWindow *) NULL;
-  sm_abortIt = FALSE;
-  if (data)
-    m_printData = (*data);
+    m_currentPrintout = (wxPrintout *) NULL;
+    sm_abortWindow = (wxWindow *) NULL;
+    sm_abortIt = false;
+    if (data)
+        m_printDialogData = (*data);
+    sm_lastError = wxPRINTER_NO_ERROR;

 }
 
 wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 }
 
 wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;

-bool wxPrinterBase::sm_abortIt = FALSE;
+bool wxPrinterBase::sm_abortIt = false;
+wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;

 
 wxPrinterBase::~wxPrinterBase()
 {
 
 wxPrinterBase::~wxPrinterBase()
 {


@@ -99,48 +98,51 @@ wxPrinterBase::~wxPrinterBase()
 
 void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 {
 
 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_abortIt = true;
+    wxPrinterBase::sm_abortWindow->Show(false);
+    wxPrinterBase::sm_abortWindow->Close(true);
+    wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;

 }
 
 }
 

-wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout *WXUNUSED(printout))
+wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout)

 {
 {

-  wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing"), wxPoint(0, 0), wxSize(400, 400), wxDEFAULT_DIALOG_STYLE);
-  (void) new wxStaticText(dialog, -1, _("Please wait..."), wxPoint(5, 5));
+    wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
+
+    wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL );
+    button_sizer->Add( new wxStaticText(dialog, wxID_ANY, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 );
+    button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 );

 
 

-  wxButton *button = new wxButton(dialog, wxID_CANCEL, _("Cancel"), wxPoint(5, 30));
+    dialog->SetAutoLayout( true );
+    dialog->SetSizer( button_sizer );

 
 

-  dialog->Fit();
-  button->Centre(wxHORIZONTAL);
+    button_sizer->Fit(dialog);
+    button_sizer->SetSizeHints (dialog) ;

 
 

-  dialog->Centre();
-  return dialog;
+    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);
+    wxMessageBox(message, _("Printing Error"), wxOK, parent);

 }
 
 /*
 }
 
 /*

- * Printout class
- */
- 
+* Printout class
+*/
+

 wxPrintout::wxPrintout(const wxString& title)
 {
 wxPrintout::wxPrintout(const wxString& title)
 {

-  m_printoutTitle = title ;
-  m_printoutDC = (wxDC *) NULL;
-  m_pageWidthMM = 0;
-  m_pageHeightMM = 0;
-  m_pageWidthPixels = 0;
-  m_pageHeightPixels = 0;
-  m_PPIScreenX = 0;
-  m_PPIScreenY = 0;
-  m_PPIPrinterX = 0;
-  m_PPIPrinterY = 0;
-  m_isPreview = FALSE;
+    m_printoutTitle = title ;
+    m_printoutDC = (wxDC *) NULL;
+    m_pageWidthMM = 0;
+    m_pageHeightMM = 0;
+    m_pageWidthPixels = 0;
+    m_pageHeightPixels = 0;
+    m_PPIScreenX = 0;
+    m_PPIScreenY = 0;
+    m_PPIPrinterX = 0;
+    m_PPIPrinterY = 0;
+    m_isPreview = false;

 }
 
 wxPrintout::~wxPrintout()
 }
 
 wxPrintout::~wxPrintout()


@@ -149,12 +151,12 @@ wxPrintout::~wxPrintout()
 
 bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
 {
 
 bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
 {

-  return GetDC()->StartDoc(_("Printing"));
+    return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);

 }
 
 void wxPrintout::OnEndDocument()
 {
 }
 
 void wxPrintout::OnEndDocument()
 {

-  GetDC()->EndDoc();
+    GetDC()->EndDoc();

 }
 
 void wxPrintout::OnBeginPrinting()
 }
 
 void wxPrintout::OnBeginPrinting()


@@ -167,29 +169,40 @@ void wxPrintout::OnEndPrinting()
 
 bool wxPrintout::HasPage(int page)
 {
 
 bool wxPrintout::HasPage(int page)
 {

-  return (page == 1);
+    return (page == 1);

 }
 
 void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
 {
 }
 
 void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
 {

-  *minPage = 1;
-  *maxPage = 32000;
-  *fromPage = 1;
-  *toPage = 1;
+    *minPage = 1;
+    *maxPage = 32000;
+    *fromPage = 1;
+    *toPage = 1;

 }
 
 /*
 }
 
 /*

- * Preview canvas
- */
- 
+* Preview canvas
+*/
+
+// VZ: the current code doesn't refresh properly without
+//     wxFULL_REPAINT_ON_RESIZE, this must be fixed as otherwise we have
+//     really horrible flicker when resizing the preview frame, but without
+//     this style it simply doesn't work correctly at all...

 wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
 wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,

-               const wxPoint& pos, const wxSize& size, long style, const wxString& name):
- wxScrolledWindow(parent, -1, pos, size, style, name)
-{
-  m_printPreview = preview;
-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
+                                 const wxPoint& pos, const wxSize& size, long style, const wxString& name):
+wxScrolledWindow(parent, wxID_ANY, pos, size, style | wxFULL_REPAINT_ON_RESIZE, name)
+{
+    m_printPreview = preview;
+#ifdef __WXMAC__
+    // The app workspace colour is always white, but we should have
+    // a contrast with the page.
+    wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#else
+    wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
+#endif
+    SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));

 
 

-  SetScrollbars(15, 18, 100, 100);
+    SetScrollbars(10, 10, 100, 100);

 }
 
 wxPreviewCanvas::~wxPreviewCanvas()
 }
 
 wxPreviewCanvas::~wxPreviewCanvas()


@@ -198,50 +211,107 @@ wxPreviewCanvas::~wxPreviewCanvas()
 
 void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
 
 void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 {

-  wxPaintDC dc(this);
-  PrepareDC( dc );
+    wxPaintDC dc(this);
+    PrepareDC( dc );

 
 

-  if (m_printPreview)
-  {
-    m_printPreview->PaintPage(this, dc);
-  }
+/*
+#ifdef __WXGTK__
+    if (!GetUpdateRegion().IsEmpty())
+        dc.SetClippingRegion( GetUpdateRegion() );
+#endif
+*/
+
+    if (m_printPreview)
+    {
+        m_printPreview->PaintPage(this, dc);
+    }

 }
 
 // Responds to colour changes, and passes event on to children.
 void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
 {
 }
 
 // Responds to colour changes, and passes event on to children.
 void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
 {

-  SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
-  Refresh();
+#ifdef __WXMAC__
+    // The app workspace colour is always white, but we should have
+    // a contrast with the page.
+    wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#else
+    wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
+#endif
+    SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
+    Refresh();

 
 

-  // Propagate the event to the non-top-level children
-  wxWindow::OnSysColourChanged(event);
+    // Propagate the event to the non-top-level children
+    wxWindow::OnSysColourChanged(event);
+}
+
+void wxPreviewCanvas::OnChar(wxKeyEvent &event)
+{
+    wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
+    if (event.GetKeyCode() == WXK_ESCAPE)
+    {
+        ((wxPreviewFrame*) GetParent())->Close(true);
+        return;
+    }
+    else if (event.GetKeyCode() == WXK_TAB)
+    {
+        controlBar->OnGoto();
+        return;
+    }
+    else if (event.GetKeyCode() == WXK_RETURN)
+    {
+        controlBar->OnPrint();
+        return;
+    }
+
+    if (!event.ControlDown())
+    {
+        event.Skip();
+        return;
+    }
+
+    switch(event.GetKeyCode())
+    {
+        case WXK_NEXT:
+            controlBar->OnNext(); break;
+        case WXK_PRIOR:
+            controlBar->OnPrevious(); break;
+        case WXK_HOME:
+            controlBar->OnFirst(); break;
+        case WXK_END:
+            controlBar->OnLast(); break;
+        default:
+            event.Skip();
+    }

 }
 
 /*
 }
 
 /*

- * Preview control bar
- */
+* Preview control bar
+*/

 
 BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
 
 BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)

-       EVT_BUTTON(wxID_PREVIEW_CLOSE,          wxPreviewControlBar::OnClose)
-       EVT_BUTTON(wxID_PREVIEW_PRINT,          wxPreviewControlBar::OnPrint)
-       EVT_BUTTON(wxID_PREVIEW_PREVIOUS,       wxPreviewControlBar::OnPrevious)
-       EVT_BUTTON(wxID_PREVIEW_NEXT,           wxPreviewControlBar::OnNext)
-       EVT_CHOICE(wxID_PREVIEW_ZOOM,           wxPreviewControlBar::OnZoom)
+    EVT_BUTTON(wxID_PREVIEW_CLOSE,    wxPreviewControlBar::OnWindowClose)
+    EVT_BUTTON(wxID_PREVIEW_PRINT,    wxPreviewControlBar::OnPrintButton)
+    EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
+    EVT_BUTTON(wxID_PREVIEW_NEXT,     wxPreviewControlBar::OnNextButton)
+    EVT_BUTTON(wxID_PREVIEW_FIRST,    wxPreviewControlBar::OnFirstButton)
+    EVT_BUTTON(wxID_PREVIEW_LAST,     wxPreviewControlBar::OnLastButton)
+    EVT_BUTTON(wxID_PREVIEW_GOTO,     wxPreviewControlBar::OnGotoButton)
+    EVT_CHOICE(wxID_PREVIEW_ZOOM,     wxPreviewControlBar::OnZoom)

     EVT_PAINT(wxPreviewControlBar::OnPaint)
 END_EVENT_TABLE()
     EVT_PAINT(wxPreviewControlBar::OnPaint)
 END_EVENT_TABLE()

- 
+

 wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
 wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,

-    wxWindow *parent, const wxPoint& pos, const wxSize& size,
-    long style, const wxString& name):
-  wxPanel(parent, -1, pos, size, style, name)
+                                         wxWindow *parent, const wxPoint& pos, const wxSize& size,
+                                         long style, const wxString& name):
+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_buttonFlags = buttons;
+    m_printPreview = preview;
+    m_closeButton = (wxButton *) NULL;
+    m_nextPageButton = (wxButton *) NULL;
+    m_previousPageButton = (wxButton *) NULL;
+    m_printButton = (wxButton *) NULL;
+    m_zoomControl = (wxChoice *) NULL;
+    m_buttonFlags = buttons;

 }
 
 wxPreviewControlBar::~wxPreviewControlBar()
 }
 
 wxPreviewControlBar::~wxPreviewControlBar()


@@ -250,499 +320,593 @@ wxPreviewControlBar::~wxPreviewControlBar()
 
 void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
 
 void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
 {

-  wxPaintDC dc(this);
+    wxPaintDC dc(this);
+
+    int w, h;
+    GetSize(&w, &h);
+    dc.SetPen(*wxBLACK_PEN);
+    dc.SetBrush(*wxTRANSPARENT_BRUSH);
+    dc.DrawLine( 0, h-1, w, h-1 );
+}

 
 

-  int w, h;
-  GetSize(&w, &h);
-  dc.SetPen(*wxBLACK_PEN);
-  dc.SetBrush(*wxTRANSPARENT_BRUSH);
-  dc.DrawLine( 0, h-1, w, h-1 );
+void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
+{
+    wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
+    frame->Close(true);

 }
 
 }
 

-void wxPreviewControlBar::OnClose(wxCommandEvent& WXUNUSED(event))
+void wxPreviewControlBar::OnPrint(void)

 {
 {

-  wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
-  frame->Close(TRUE);
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    preview->Print(true);

 }
 
 }
 

-void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event))
+void wxPreviewControlBar::OnNext(void)

 {
 {

-  wxPrintPreviewBase *preview = GetPrintPreview();
-  preview->Print(TRUE);
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    if (preview)
+    {
+        int currentPage = preview->GetCurrentPage();
+        if ((preview->GetMaxPage() > 0) &&
+            (currentPage < preview->GetMaxPage()) &&
+            preview->GetPrintout()->HasPage(currentPage + 1))
+        {
+            preview->SetCurrentPage(currentPage + 1);
+        }
+    }
+}
+
+void wxPreviewControlBar::OnPrevious(void)
+{
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    if (preview)
+    {
+        int currentPage = preview->GetCurrentPage();
+        if ((preview->GetMinPage() > 0) &&
+            (currentPage > preview->GetMinPage()) &&
+            preview->GetPrintout()->HasPage(currentPage - 1))
+        {
+            preview->SetCurrentPage(currentPage - 1);
+        }
+    }

 }
 
 }
 

-void wxPreviewControlBar::OnNext(wxCommandEvent& WXUNUSED(event))
+void wxPreviewControlBar::OnFirst(void)

 {
 {

-  wxPrintPreviewBase *preview = GetPrintPreview();
-  if (preview)
-  {
-    int currentPage = preview->GetCurrentPage();
-    if ((preview->GetMaxPage() > 0) &&
-        (currentPage < preview->GetMaxPage()) &&
-        preview->GetPrintout()->HasPage(currentPage + 1))
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    if (preview)

     {
     {

-      preview->SetCurrentPage(currentPage + 1);
+        int currentPage = preview->GetMinPage();
+        if (preview->GetPrintout()->HasPage(currentPage))
+        {
+            preview->SetCurrentPage(currentPage);
+        }

     }
     }

-  }

 }
 
 }
 

-void wxPreviewControlBar::OnPrevious(wxCommandEvent& WXUNUSED(event))
+void wxPreviewControlBar::OnLast(void)

 {
 {

-  wxPrintPreviewBase *preview = GetPrintPreview();
-  if (preview)
-  {
-    int currentPage = preview->GetCurrentPage();
-    if ((preview->GetMinPage() > 0) &&
-        (currentPage > preview->GetMinPage()) &&
-        preview->GetPrintout()->HasPage(currentPage - 1))
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    if (preview)

     {
     {

-      preview->SetCurrentPage(currentPage - 1);
+        int currentPage = preview->GetMaxPage();
+        if (preview->GetPrintout()->HasPage(currentPage))
+        {
+            preview->SetCurrentPage(currentPage);
+        }
+    }
+}
+
+void wxPreviewControlBar::OnGoto(void)
+{
+    wxPrintPreviewBase *preview = GetPrintPreview();
+    if (preview)
+    {
+        long currentPage;
+
+        if (preview->GetMinPage() > 0)
+        {
+            wxString strPrompt;
+            wxString strPage;
+
+            strPrompt.Printf( _("Enter a page number between %d and %d:"),
+                preview->GetMinPage(), preview->GetMaxPage());
+            strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
+
+            strPage =
+                wxGetTextFromUser( strPrompt, _("Goto Page"), strPage, GetParent());
+
+            if ( strPage.ToLong( &currentPage ) )
+                if (preview->GetPrintout()->HasPage(currentPage))
+                {
+                    preview->SetCurrentPage(currentPage);
+                }
+        }

     }
     }

-  }

 }
 
 void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
 {
 }
 
 void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
 {

-  int zoom = GetZoomControl();
-  if (GetPrintPreview())
-    GetPrintPreview()->SetZoom(zoom);
+    int zoom = GetZoomControl();
+    if (GetPrintPreview())
+        GetPrintPreview()->SetZoom(zoom);

 }
 
 void wxPreviewControlBar::CreateButtons()
 {
 }
 
 void wxPreviewControlBar::CreateButtons()
 {

-  SetSize(0, 0, 400, 40);
+    SetSize(0, 0, 400, 40);

 
 

-#ifdef __WXMSW__
-  int fontSize = 9;
-#else
-  int fontSize = 10;
-#endif
+    wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );

 
 

-  wxFont buttonFont(fontSize, wxSWISS, wxNORMAL, wxBOLD);
-  SetFont(buttonFont);
+    m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
+    item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );

 
 

-  int buttonWidth = 65;
-#ifdef __WXGTK__
-    int buttonHeight = -1;
-#else
-    int buttonHeight = 24;
-#endif
+    if (m_buttonFlags & wxPREVIEW_PRINT)
+    {
+        m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
+        item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_FIRST)
+    {
+        m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+        item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_PREVIOUS)
+    {
+        m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+        item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_NEXT)
+    {
+        m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+        item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_LAST)
+    {
+        m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
+        item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_GOTO)
+    {
+        m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
+        item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+    }
+
+    if (m_buttonFlags & wxPREVIEW_ZOOM)
+    {
+        wxString choices[] =
+        {
+            wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
+                wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
+                wxT("120%"), wxT("150%"), wxT("200%")
+        };
+        int n = WXSIZEOF(choices);
+
+        m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,wxDefaultCoord), n, choices, 0 );
+        item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
+        SetZoomControl(m_printPreview->GetZoom());
+    }

 
 

-  int x = 5;
-  int y = 5;
-  int gap = 5;
-
-  m_closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, _("Close"),
-       wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
-
-  x += gap + buttonWidth;
-  
-  if (m_buttonFlags & wxPREVIEW_PRINT)
-  {
-    m_printButton =  new wxButton(this, wxID_PREVIEW_PRINT, _("Print..."), wxPoint(x, y),
-               wxSize(buttonWidth, buttonHeight));
-       x += gap + buttonWidth;
-  }
-
-  if (m_buttonFlags & wxPREVIEW_PREVIOUS)
-  {
-    m_previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, "<<", wxPoint(x, y),
-               wxSize(buttonWidth, buttonHeight));
-       x += gap + buttonWidth;
-  }
-
-  if (m_buttonFlags & wxPREVIEW_NEXT)
-  {
-    m_nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, ">>",
-               wxPoint(x, y), wxSize(buttonWidth, buttonHeight));
-       x += gap + buttonWidth;
-  }
-
-  // Yes, this look stupid, but this is because gcc gives up otherwise.
-  wxString *choices = new wxString[23];
-  choices[0] = "10%";
-  choices[1] = "15%";
-  choices[2] = "20%";
-  choices[3] = "25%";
-  choices[4] = "30%";
-  choices[5] = "35%";
-  choices[6] = "40%";
-  choices[7] = "45%";
-  choices[8] = "50%";
-  choices[9] = "55%";
-  choices[10] = "60%";
-  choices[11] = "65%";
-  choices[12] = "70%";
-  choices[13] = "75%";
-  choices[14] = "80%";
-  choices[15] = "85%";
-  choices[16] = "90%";
-  choices[17] = "95%";
-  choices[18] = "100%";
-  choices[19] = "110%";
-  choices[20] = "120%";
-  choices[21] = "150%";
-  choices[22] = "200%";
-
-  int n = 23;
-  if (m_buttonFlags & wxPREVIEW_ZOOM)
-  {
-    m_zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM, wxPoint(x, y),
-               wxSize(100, -1), n, (wxString *)choices);
-    SetZoomControl(m_printPreview->GetZoom());
-  }
-
-  delete[] choices;
-
-  m_closeButton->SetDefault();
+    SetSizer(item0);
+    item0->Fit(this);

 }
 
 void wxPreviewControlBar::SetZoomControl(int zoom)
 {
 }
 
 void wxPreviewControlBar::SetZoomControl(int zoom)
 {

-  char buf[20];
-  sprintf(buf, "%d%%", zoom);
-  if (m_zoomControl)
-    m_zoomControl->SetStringSelection(buf);
+    if (m_zoomControl)
+    {
+        int n, count = m_zoomControl->GetCount();
+        long val;
+        for (n=0; n<count; n++)
+        {
+            if (m_zoomControl->GetString(n).BeforeFirst(wxT('%')).ToLong(&val) &&
+                (val >= long(zoom)))
+            {
+                m_zoomControl->SetSelection(n);
+                return;
+            }
+        }
+
+        m_zoomControl->SetSelection(count-1);
+    }

 }
 
 int wxPreviewControlBar::GetZoomControl()
 {
 }
 
 int wxPreviewControlBar::GetZoomControl()
 {

-  char buf[20];
-  if (m_zoomControl && (m_zoomControl->GetStringSelection() != ""))
-  {
-    strcpy(buf, m_zoomControl->GetStringSelection());
-    buf[strlen(buf) - 1] = 0;
-    return (int)atoi(buf);
-  }
-  else return 0;
+    if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxEmptyString))
+    {
+        long val;
+        if (m_zoomControl->GetStringSelection().BeforeFirst(wxT('%')).ToLong(&val))
+            return int(val);
+    }
+
+    return 0;

 }
 
 
 /*
 }
 
 
 /*

- * Preview frame
- */
+* Preview frame
+*/

 
 

-wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxFrame *parent, const wxString& title,
-    const wxPoint& pos, const wxSize& size, long style, const wxString& name):
- wxFrame(parent, -1, title, pos, size, style, name)
+BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
+    EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
+END_EVENT_TABLE()
+
+wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
+                               const wxPoint& pos, const wxSize& size, long style, const wxString& name):
+wxFrame(parent, wxID_ANY, title, pos, size, style, name)

 {
 {

-  m_printPreview = preview;
-  m_controlBar = NULL;
-  m_previewCanvas = NULL;
+    m_printPreview = preview;
+    m_controlBar = NULL;
+    m_previewCanvas = NULL;
+    m_windowDisabler = NULL;
+
+    // Give the application icon
+#ifdef __WXMSW__
+    wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
+    if (topFrame)
+        SetIcon(topFrame->GetIcon());
+#endif

 }
 
 wxPreviewFrame::~wxPreviewFrame()
 {
 }
 
 }
 
 wxPreviewFrame::~wxPreviewFrame()
 {
 }
 

-bool wxPreviewFrame::OnClose()
+void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))

 {
 {

-  MakeModal(FALSE);
-  
-  // Need to delete the printout and the print preview
-  wxPrintout *printout = m_printPreview->GetPrintout();
-  if (printout)
-  {
-    delete printout;
-    m_printPreview->SetPrintout(NULL);
-    m_printPreview->SetCanvas(NULL);
-    m_printPreview->SetFrame(NULL);
-  }
-  delete m_printPreview;
-  return TRUE;
+    if (m_windowDisabler)
+        delete m_windowDisabler;
+
+    // Need to delete the printout and the print preview
+    wxPrintout *printout = m_printPreview->GetPrintout();
+    if (printout)
+    {
+        delete printout;
+        m_printPreview->SetPrintout(NULL);
+        m_printPreview->SetCanvas(NULL);
+        m_printPreview->SetFrame(NULL);
+    }
+    delete m_printPreview;
+
+    Destroy();

 }
 
 void wxPreviewFrame::Initialize()
 {
 }
 
 void wxPreviewFrame::Initialize()
 {

-  CreateStatusBar();
-  
-  CreateCanvas();
-  CreateControlBar();
-
-  m_printPreview->SetCanvas(m_previewCanvas);
-  m_printPreview->SetFrame(this);
-
-  // Set layout constraints here
-
-  // Control bar constraints
-  wxLayoutConstraints *c1 = new wxLayoutConstraints;
-//  int w, h;
-//  m_controlBar->GetSize(&w, &h);
-  int h;
-#if (defined(__WXMSW__) || defined(__WXGTK__))
-  h = 40;
-#else
-  h = 60;
+#if wxUSE_STATUSBAR
+    CreateStatusBar();

 #endif
 #endif

+    CreateCanvas();
+    CreateControlBar();

 
 

-  c1->left.SameAs       (this, wxLeft);
-  c1->top.SameAs        (this, wxTop);
-  c1->right.SameAs      (this, wxRight);
-  c1->height.Absolute   (h);
-
-  m_controlBar->SetConstraints(c1);
+    m_printPreview->SetCanvas(m_previewCanvas);
+    m_printPreview->SetFrame(this);

 
 

-  // Canvas constraints
-  wxLayoutConstraints *c2 = new wxLayoutConstraints;
+    wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );

 
 

-  c2->left.SameAs       (this, wxLeft);
-  c2->top.Below         (m_controlBar);
-  c2->right.SameAs      (this, wxRight);
-  c2->bottom.SameAs     (this, wxBottom);
+    item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
+    item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );

 
 

-  m_previewCanvas->SetConstraints(c2);
+    SetAutoLayout( true );
+    SetSizer( item0 );

 
 

-  SetAutoLayout(TRUE);
+    m_windowDisabler = new wxWindowDisabler(this);

 
 

-  MakeModal(TRUE);
+    Layout();

 
 

-  Layout();
+    m_printPreview->AdjustScrollbars(m_previewCanvas);
+    m_previewCanvas->SetFocus();
+    m_controlBar->SetFocus();

 }
 
 void wxPreviewFrame::CreateCanvas()
 {
 }
 
 void wxPreviewFrame::CreateCanvas()
 {

-  m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
+    m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);

 }
 
 void wxPreviewFrame::CreateControlBar()
 {
 }
 
 void wxPreviewFrame::CreateControlBar()
 {

-  long buttons = wxPREVIEW_DEFAULT;
-  if (m_printPreview->GetPrintoutForPrinting())
-    buttons |= wxPREVIEW_PRINT;
-    
-  m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
-  m_controlBar->CreateButtons();
+    long buttons = wxPREVIEW_DEFAULT;
+    if (m_printPreview->GetPrintoutForPrinting())
+        buttons |= wxPREVIEW_PRINT;
+
+    m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
+    m_controlBar->CreateButtons();

 }
 }

- 
+

 /*
 /*

- * Print preview
- */
+* Print preview
+*/

 
 

-wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data)
+wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
+                                       wxPrintout *printoutForPrinting,
+                                       wxPrintData *data)

 {
 {

-  m_isOk = TRUE;
-  m_previewPrintout = printout;
-  if (m_previewPrintout)
-    m_previewPrintout->SetIsPreview(TRUE);
-    
-  m_printPrintout = printoutForPrinting;
-  if (data)
-    m_printData = (*data);
+    if (data)
+        m_printDialogData = (*data);

 
 

-  m_previewCanvas = NULL;
-  m_previewFrame = NULL;
-  m_previewBitmap = NULL;
-  m_currentPage = 1;
-  m_currentZoom = 30;
-  m_topMargin = 40;
-  m_leftMargin = 40;
-  m_pageWidth = 0;
-  m_pageHeight = 0;
+    Init(printout, printoutForPrinting);
+}

 
 

-  printout->OnPreparePrinting();
+wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
+                                       wxPrintout *printoutForPrinting,
+                                       wxPrintDialogData *data)
+{
+    if (data)
+        m_printDialogData = (*data);

 
 

-  // Get some parameters from the printout, if defined
-  int selFrom, selTo;
-  printout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
+    Init(printout, printoutForPrinting);
+}
+
+void wxPrintPreviewBase::Init(wxPrintout *printout,
+                              wxPrintout *printoutForPrinting)
+{
+    m_isOk = true;
+    m_previewPrintout = printout;
+    if (m_previewPrintout)
+        m_previewPrintout->SetIsPreview(true);
+
+    m_printPrintout = printoutForPrinting;
+
+    m_previewCanvas = NULL;
+    m_previewFrame = NULL;
+    m_previewBitmap = NULL;
+    m_currentPage = 1;
+    m_currentZoom = 70;
+    m_topMargin = 40;
+    m_leftMargin = 40;
+    m_pageWidth = 0;
+    m_pageHeight = 0;
+    m_printingPrepared = false;
+    m_minPage = 1;
+    m_maxPage = 1;

 }
 
 wxPrintPreviewBase::~wxPrintPreviewBase()
 {
 }
 
 wxPrintPreviewBase::~wxPrintPreviewBase()
 {

-  if (m_previewPrintout)
-    delete m_previewPrintout;
-  if (m_previewBitmap)
-    delete m_previewBitmap;
-  if (m_printPrintout)
-    delete m_printPrintout;
+    if (m_previewPrintout)
+        delete m_previewPrintout;
+    if (m_previewBitmap)
+        delete m_previewBitmap;
+    if (m_printPrintout)
+        delete m_printPrintout;

 }
 
 bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
 {
 }
 
 bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
 {

-  if (m_currentPage == pageNum)
-    return TRUE;
+    if (m_currentPage == pageNum)
+        return true;

 
 

-  m_currentPage = pageNum;
-  if (m_previewBitmap)
-  {
-    delete m_previewBitmap;
-    m_previewBitmap = NULL;
-  }
+    m_currentPage = pageNum;
+    if (m_previewBitmap)
+    {
+        delete m_previewBitmap;
+        m_previewBitmap = NULL;
+    }
+
+    if (m_previewCanvas)
+    {
+        AdjustScrollbars(m_previewCanvas);

 
 

-  if (m_previewCanvas)
-  {
-    RenderPage(pageNum);
-    m_previewCanvas->Refresh();
-  }
-  return TRUE;
+        if (!RenderPage(pageNum))
+            return false;
+        m_previewCanvas->Refresh();
+        m_previewCanvas->SetFocus();
+    }
+    return true;

 }
 
 }
 

-bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
+bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)

 {
 {

-  DrawBlankPage(canvas, dc);
+    DrawBlankPage(canvas, dc);
+
+    if (!m_previewBitmap)
+        if (!RenderPage(m_currentPage))
+            return false;
+
+    if (!m_previewBitmap)
+        return false;

 
 

-  if (!m_previewBitmap)
-    RenderPage(m_currentPage);
-    
-  if (!m_previewBitmap)
-    return FALSE;
+    if (!canvas)
+        return false;

 
 

-  if (!canvas)
-    return FALSE;
+    int canvasWidth, canvasHeight;
+    canvas->GetSize(&canvasWidth, &canvasHeight);

 
 

-  int canvasWidth, canvasHeight;
-  canvas->GetSize(&canvasWidth, &canvasHeight);
-  
-  double zoomScale = ((float)m_currentZoom/(float)100);
-  double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
-//  float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
+    double zoomScale = ((float)m_currentZoom/(float)100);
+    double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
+    //  float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);

 
 

-  int x = (int) ((canvasWidth - actualWidth)/2.0);
-  if (x < m_leftMargin)
-    x = m_leftMargin;
-  int y = m_topMargin;
+    int x = (int) ((canvasWidth - actualWidth)/2.0);
+    if (x < m_leftMargin)
+        x = m_leftMargin;
+    int y = m_topMargin;

 
 

-  wxMemoryDC temp_dc;
-  temp_dc.SelectObject(*m_previewBitmap);
+    wxMemoryDC temp_dc;
+    temp_dc.SelectObject(*m_previewBitmap);

 
 

-  dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
+    dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);

 
 

-  temp_dc.SelectObject(wxNullBitmap);
+    temp_dc.SelectObject(wxNullBitmap);

 
 

-  return TRUE;
+    return true;
+}
+
+// Adjusts the scrollbars for the current scale
+void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas)
+{
+    if (!canvas)
+        return ;
+
+    int canvasWidth, canvasHeight;
+    canvas->GetSize(&canvasWidth, &canvasHeight);
+
+    double zoomScale = ((float)m_currentZoom/(float)100);
+    double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
+    double actualHeight = (zoomScale*m_pageHeight*m_previewScale);
+
+    // Set the scrollbars appropriately
+    int totalWidth = (int)(actualWidth + 2*m_leftMargin);
+    int totalHeight = (int)(actualHeight + 2*m_topMargin);
+    int scrollUnitsX = totalWidth/10;
+    int scrollUnitsY = totalHeight/10;
+    wxSize virtualSize = canvas->GetVirtualSize();
+    if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
+        canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);

 }
 
 bool wxPrintPreviewBase::RenderPage(int pageNum)
 {
 }
 
 bool wxPrintPreviewBase::RenderPage(int pageNum)
 {

-  int canvasWidth, canvasHeight;
-  
-  if (!m_previewCanvas)
-  {
-    wxMessageBox(_("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"),
-      _("Print Preview Failure"), wxOK);
-    return FALSE;
-  }
-  m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
-  
-  double zoomScale = (m_currentZoom/100.0);
-  int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
-  int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
-
-  int x = (int)((canvasWidth - actualWidth)/2.0);
-  if (x < m_leftMargin)
-    x = m_leftMargin;
-//  int y = m_topMargin;
-
-
-  if (!m_previewBitmap)
-  {
-    m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
-    if (!m_previewBitmap || !m_previewBitmap->Ok())
+    wxBusyCursor busy;
+
+    int canvasWidth, canvasHeight;
+
+    if (!m_previewCanvas)

     {
     {

-      if (m_previewBitmap)
-        delete m_previewBitmap;
-      wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
-      return FALSE;
+        wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
+
+        return false;

     }
     }

-  }
-  
-  wxMemoryDC memoryDC;
-  memoryDC.SelectObject(*m_previewBitmap);
+    m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);

 
 

-  memoryDC.Clear();
+    double zoomScale = (m_currentZoom/100.0);
+    int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
+    int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);

 
 

-  m_previewPrintout->SetDC(&memoryDC);
-  m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
+    if (!m_previewBitmap)
+    {
+        m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
+        if (!m_previewBitmap || !m_previewBitmap->Ok())
+        {
+            if (m_previewBitmap) {
+                delete m_previewBitmap;
+                m_previewBitmap = NULL;
+            }
+            wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
+            return false;
+        }
+    }

 
 

-  m_previewPrintout->OnBeginPrinting();
-  
+    wxMemoryDC memoryDC;
+    memoryDC.SelectObject(*m_previewBitmap);

 
 

-  if (!m_previewPrintout->OnBeginDocument(m_printData.GetFromPage(), m_printData.GetToPage()))
-  {
-    wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
-    
-    memoryDC.SelectObject(wxNullBitmap);
+    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()))
+    {
+        wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
+
+        memoryDC.SelectObject(wxNullBitmap);
+
+        delete m_previewBitmap;
+        m_previewBitmap = NULL;
+        return false;
+    }
+
+    m_previewPrintout->OnPrintPage(pageNum);
+    m_previewPrintout->OnEndDocument();
+    m_previewPrintout->OnEndPrinting();

 
 

-    delete m_previewBitmap;
-    return FALSE;
-  }
-  
-  m_previewPrintout->OnPrintPage(pageNum);
-  m_previewPrintout->OnEndDocument();
-  m_previewPrintout->OnEndPrinting();
+    m_previewPrintout->SetDC(NULL);

 
 

-  m_previewPrintout->SetDC(NULL);
-  
-  memoryDC.SelectObject(wxNullBitmap);
+    memoryDC.SelectObject(wxNullBitmap);

 
 

-  char buf[200];
-  if (m_maxPage != 0)
-    sprintf(buf, _("Page %d of %d"), pageNum, m_maxPage);
-  else
-    sprintf(buf, _("Page %d"), pageNum);
+#if wxUSE_STATUSBAR
+    wxString status;
+    if (m_maxPage != 0)
+        status = wxString::Format(_("Page %d of %d"), pageNum, m_maxPage);
+    else
+        status = wxString::Format(_("Page %d"), pageNum);

 
 

-  if (m_previewFrame)
-    m_previewFrame->SetStatusText(buf);
+    if (m_previewFrame)
+        m_previewFrame->SetStatusText(status);
+#endif

 
 

-  return TRUE;
+    return true;

 }
 
 
 }
 
 

-bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc)
+bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)

 {
 {

-  int canvasWidth, canvasHeight;
-  canvas->GetSize(&canvasWidth, &canvasHeight);
-  
-  float zoomScale = (float)((float)m_currentZoom/(float)100);
-  float actualWidth = zoomScale*m_pageWidth*m_previewScale;
-  float actualHeight = zoomScale*m_pageHeight*m_previewScale;
+    int canvasWidth, canvasHeight;
+    canvas->GetSize(&canvasWidth, &canvasHeight);

 
 

-  float x = (float)((canvasWidth - actualWidth)/2.0);
-  if (x < m_leftMargin)
-    x = (float)m_leftMargin;
-  float y = (float)m_topMargin;
+    float zoomScale = (float)((float)m_currentZoom/(float)100);
+    float actualWidth = zoomScale*m_pageWidth*m_previewScale;
+    float actualHeight = zoomScale*m_pageHeight*m_previewScale;

 
 

-  // Draw shadow, allowing for 1-pixel border AROUND the actual page
-  int shadowOffset = 4;
-  dc.SetPen(*wxBLACK_PEN);
-  dc.SetBrush(*wxBLACK_BRUSH);
-/*
-  dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
-*/
-  dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
-  dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
+    float x = (float)((canvasWidth - actualWidth)/2.0);
+    if (x < m_leftMargin)
+        x = (float)m_leftMargin;
+    float y = (float)m_topMargin;

 
 

-  // Draw blank page allowing for 1-pixel border AROUND the actual page
-  dc.SetPen(*wxBLACK_PEN);
-  dc.SetBrush(*wxWHITE_BRUSH);
+    // Draw shadow, allowing for 1-pixel border AROUND the actual page
+    int shadowOffset = 4;
+    dc.SetPen(*wxBLACK_PEN);
+    dc.SetBrush(*wxBLACK_BRUSH);
+    /*
+    dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
+    */
+    dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
+    dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));

 
 

-/*
-  wxRegion update_region = canvas->GetUpdateRegion();
-  wxRect r = update_region.GetBox();
-  
-  printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
-*/
-  
-  dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
-  
-  return TRUE;
+    // Draw blank page allowing for 1-pixel border AROUND the actual page
+    dc.SetPen(*wxBLACK_PEN);
+    dc.SetBrush(*wxWHITE_BRUSH);
+
+    /*
+    wxRegion update_region = canvas->GetUpdateRegion();
+    wxRect r = update_region.GetBox();
+
+      printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
+    */
+
+    dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
+
+    return true;

 }
 
 void wxPrintPreviewBase::SetZoom(int percent)
 {
 }
 
 void wxPrintPreviewBase::SetZoom(int percent)
 {

-  if (m_currentZoom == percent)
-    return;
-    
-  m_currentZoom = percent;
-  if (m_previewBitmap)
-  {
-    delete m_previewBitmap;
-    m_previewBitmap = NULL;
-  }
-  RenderPage(m_currentPage);
-  
-  if (m_previewCanvas)
-  {
-    m_previewCanvas->Clear();
-    m_previewCanvas->Refresh();
-  }
+    if (m_currentZoom == percent)
+        return;
+
+    m_currentZoom = percent;
+    if (m_previewBitmap)
+    {
+        delete m_previewBitmap;
+        m_previewBitmap = NULL;
+    }
+
+    if (m_previewCanvas)
+    {
+        AdjustScrollbars(m_previewCanvas);
+        RenderPage(m_currentPage);
+        ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
+        m_previewCanvas->ClearBackground();
+        m_previewCanvas->Refresh();
+        m_previewCanvas->SetFocus();
+    }

 }
 }

+
+#endif // wxUSE_PRINTING_ARCHITECTURE