+ SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
+
+ SetScrollbars(10, 10, 100, 100);
+}
+
+wxPreviewCanvas::~wxPreviewCanvas()
+{
+}
+
+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);
+ }
+}
+
+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)
+{
+#ifdef __WXMAC__
+ // The app workspace colour is always white, but we should have
+ // a contrast with the page.
+ wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
+#elif defined(__WXGTK__)
+ wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
+#else
+ wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
+#endif
+ SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
+ Refresh();
+
+ // Propagate the event to the non-top-level children
+ wxWindow::OnSysColourChanged(event);
+}
+
+void wxPreviewCanvas::OnChar(wxKeyEvent &event)
+{
+ wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
+ switch (event.GetKeyCode())
+ {
+ case WXK_TAB:
+ controlBar->OnGoto();
+ return;
+ case WXK_RETURN:
+ controlBar->OnPrint();
+ return;
+ }
+
+ if (!event.ControlDown())
+ {
+ event.Skip();
+ return;
+ }
+
+ switch(event.GetKeyCode())
+ {
+ case WXK_PAGEDOWN:
+ controlBar->OnNext(); break;
+ case WXK_PAGEUP:
+ controlBar->OnPrevious(); break;
+ case WXK_HOME:
+ controlBar->OnFirst(); break;
+ case WXK_END:
+ controlBar->OnLast(); break;
+ default:
+ event.Skip();
+ }
+}
+
+#if wxUSE_MOUSEWHEEL
+
+void wxPreviewCanvas::OnMouseWheel(wxMouseEvent& event)
+{
+ wxPreviewControlBar *
+ controlBar = wxStaticCast(GetParent(), wxPreviewFrame)->GetControlBar();
+
+ if ( controlBar )
+ {
+ if ( event.ControlDown() && event.GetWheelRotation() != 0 )
+ {
+ int currentZoom = controlBar->GetZoomControl();
+
+ int delta;
+ if ( currentZoom < 100 )
+ delta = 5;
+ else if ( currentZoom <= 120 )
+ delta = 10;
+ else
+ delta = 50;
+
+ if ( event.GetWheelRotation() > 0 )
+ delta = -delta;
+
+ int newZoom = currentZoom + delta;
+ if ( newZoom < 10 )
+ newZoom = 10;
+ if ( newZoom > 200 )
+ newZoom = 200;
+ if ( newZoom != currentZoom )
+ {
+ controlBar->SetZoomControl(newZoom);
+ m_printPreview->SetZoom(newZoom);
+ Refresh();
+ }
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_MOUSEWHEEL
+
+//----------------------------------------------------------------------------
+// wxPreviewControlBar
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
+
+BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
+ 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()
+
+wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
+ 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 = NULL;
+ m_nextPageButton = NULL;
+ m_previousPageButton = NULL;
+ m_printButton = NULL;
+ m_zoomControl = NULL;
+ m_buttonFlags = buttons;
+}
+
+wxPreviewControlBar::~wxPreviewControlBar()
+{
+}
+
+void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+ 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 );
+}
+
+void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
+{
+ wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
+ frame->Close(true);
+}
+
+void wxPreviewControlBar::OnPrint(void)
+{
+ wxPrintPreviewBase *preview = GetPrintPreview();
+ preview->Print(true);
+}
+
+void wxPreviewControlBar::OnNext(void)
+{
+ 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::OnFirst(void)
+{
+ wxPrintPreviewBase *preview = GetPrintPreview();
+ if (preview)
+ {
+ int currentPage = preview->GetMinPage();
+ if (preview->GetPrintout()->HasPage(currentPage))
+ {
+ preview->SetCurrentPage(currentPage);
+ }
+ }
+}
+
+void wxPreviewControlBar::OnLast(void)
+{
+ wxPrintPreviewBase *preview = GetPrintPreview();
+ if (preview)
+ {
+ 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( ¤tPage ) )
+ if (preview->GetPrintout()->HasPage(currentPage))
+ {
+ preview->SetCurrentPage(currentPage);
+ }
+ }
+ }
+}
+
+void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
+{
+ int zoom = GetZoomControl();
+ if (GetPrintPreview())
+ GetPrintPreview()->SetZoom(zoom);
+}
+
+void wxPreviewControlBar::CreateButtons()
+{
+ SetSize(0, 0, 400, 40);
+
+ wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
+
+ m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
+ item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+
+ 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 );
+ }
+
+ // Exact-fit buttons are too tiny on wxUniversal
+ int navButtonStyle;
+ wxSize navButtonSize;
+#ifdef __WXUNIVERSAL__
+ navButtonStyle = 0;
+ navButtonSize = wxSize(40, m_closeButton->GetSize().y);
+#else
+ navButtonStyle = wxBU_EXACTFIT;
+ navButtonSize = wxDefaultSize;
+#endif
+
+ if (m_buttonFlags & wxPREVIEW_FIRST)
+ {
+ m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
+ item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
+ }
+
+ if (m_buttonFlags & wxPREVIEW_PREVIOUS)
+ {
+ m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
+ 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, navButtonSize, navButtonStyle );
+ 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, navButtonSize, navButtonStyle );
+ 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());
+ }
+
+ SetSizer(item0);
+ item0->Fit(this);
+}
+
+void wxPreviewControlBar::SetZoomControl(int zoom)
+{
+ 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()
+{
+ if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxEmptyString))
+ {
+ long val;
+ if (m_zoomControl->GetStringSelection().BeforeFirst(wxT('%')).ToLong(&val))
+ return int(val);
+ }
+
+ return 0;
+}
+
+
+/*
+* Preview frame
+*/
+
+IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
+
+BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
+ EVT_CHAR_HOOK(wxPreviewFrame::OnChar)
+ EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
+END_EVENT_TABLE()
+
+void wxPreviewFrame::OnChar(wxKeyEvent &event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ Close(true);
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
+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_windowDisabler = NULL;
+
+ // Give the application icon
+#ifdef __WXMSW__
+ wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
+ if (topFrame)
+ SetIcon(topFrame->GetIcon());
+#endif
+}
+
+wxPreviewFrame::~wxPreviewFrame()
+{
+}
+
+void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+ 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);
+ }
+
+ m_previewCanvas->SetPreview(NULL);
+ wxDELETE(m_printPreview);
+
+ Destroy();
+}
+
+void wxPreviewFrame::Initialize()
+{
+#if wxUSE_STATUSBAR
+ CreateStatusBar();
+#endif
+ CreateCanvas();
+ CreateControlBar();
+
+ m_printPreview->SetCanvas(m_previewCanvas);
+ m_printPreview->SetFrame(this);
+
+ wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
+
+ item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
+ item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
+
+ SetAutoLayout( true );
+ SetSizer( item0 );
+
+ m_windowDisabler = new wxWindowDisabler(this);
+