src/common/prntbase.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/prntbase.cpp
   3 // Purpose:     Printing framework base class implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_PRINTING_ARCHITECTURE
  20
  21 #include "wx/dcprint.h"
  22
  23 #ifndef WX_PRECOMP
  24     #if defined(__WXMSW__)
  25         #include "wx/msw/wrapcdlg.h"
  26     #endif // MSW
  27     #include "wx/utils.h"
  28     #include "wx/dc.h"
  29     #include "wx/app.h"
  30     #include "wx/msgdlg.h"
  31     #include "wx/layout.h"
  32     #include "wx/choice.h"
  33     #include "wx/button.h"
  34     #include "wx/settings.h"
  35     #include "wx/dcmemory.h"
  36     #include "wx/stattext.h"
  37     #include "wx/intl.h"
  38     #include "wx/textdlg.h"
  39     #include "wx/sizer.h"
  40     #include "wx/module.h"
  41 #endif // !WX_PRECOMP
  42
  43 #include "wx/prntbase.h"
  44 #include "wx/printdlg.h"
  45 #include "wx/print.h"
  46
  47 #include <stdlib.h>
  48 #include <string.h>
  49
  50 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
  51 #include "wx/msw/printdlg.h"
  52 #elif defined(__WXMAC__)
  53 #include "wx/mac/printdlg.h"
  54 #include "wx/mac/private/print.h"
  55 #else
  56 #include "wx/generic/prntdlgg.h"
  57 #endif
  58
  59 #ifdef __WXMSW__
  60     #ifndef __WIN32__
  61         #include <print.h>
  62     #endif
  63 #endif // __WXMSW__
  64
  65 //----------------------------------------------------------------------------
  66 // wxPrintFactory
  67 //----------------------------------------------------------------------------
  68
  69 wxPrintFactory *wxPrintFactory::m_factory = NULL;
  70
  71 void wxPrintFactory::SetPrintFactory( wxPrintFactory *factory )
  72 {
  73     if (wxPrintFactory::m_factory)
  74         delete wxPrintFactory::m_factory;
  75
  76     wxPrintFactory::m_factory = factory;
  77 }
  78
  79 wxPrintFactory *wxPrintFactory::GetFactory()
  80 {
  81     if (!wxPrintFactory::m_factory)
  82         wxPrintFactory::m_factory = new wxNativePrintFactory;
  83
  84     return wxPrintFactory::m_factory;
  85 }
  86
  87 //----------------------------------------------------------------------------
  88 // wxNativePrintFactory
  89 //----------------------------------------------------------------------------
  90
  91 wxPrinterBase *wxNativePrintFactory::CreatePrinter( wxPrintDialogData *data )
  92 {
  93 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
  94     return new wxWindowsPrinter( data );
  95 #elif defined(__WXMAC__)
  96     return new wxMacPrinter( data );
  97 #elif defined(__WXPM__)
  98     return new wxOS2Printer( data );
  99 #else
 100     return new wxPostScriptPrinter( data );
 101 #endif
 102 }
 103
 104 wxPrintPreviewBase *wxNativePrintFactory::CreatePrintPreview( wxPrintout *preview,
 105     wxPrintout *printout, wxPrintDialogData *data )
 106 {
 107 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 108     return new wxWindowsPrintPreview( preview, printout, data );
 109 #elif defined(__WXMAC__)
 110     return new wxMacPrintPreview( preview, printout, data );
 111 #elif defined(__WXPM__)
 112     return new wxOS2PrintPreview( preview, printout, data );
 113 #else
 114     return new wxPostScriptPrintPreview( preview, printout, data );
 115 #endif
 116 }
 117
 118 wxPrintPreviewBase *wxNativePrintFactory::CreatePrintPreview( wxPrintout *preview,
 119     wxPrintout *printout, wxPrintData *data )
 120 {
 121 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 122     return new wxWindowsPrintPreview( preview, printout, data );
 123 #elif defined(__WXMAC__)
 124     return new wxMacPrintPreview( preview, printout, data );
 125 #elif defined(__WXPM__)
 126     return new wxOS2PrintPreview( preview, printout, data );
 127 #else
 128     return new wxPostScriptPrintPreview( preview, printout, data );
 129 #endif
 130 }
 131
 132 wxPrintDialogBase *wxNativePrintFactory::CreatePrintDialog( wxWindow *parent,
 133                                                   wxPrintDialogData *data )
 134 {
 135 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 136     return new wxWindowsPrintDialog( parent, data );
 137 #elif defined(__WXMAC__)
 138     return new wxMacPrintDialog( parent, data );
 139 #else
 140     return new wxGenericPrintDialog( parent, data );
 141 #endif
 142 }
 143
 144 wxPrintDialogBase *wxNativePrintFactory::CreatePrintDialog( wxWindow *parent,
 145                                                   wxPrintData *data )
 146 {
 147 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 148     return new wxWindowsPrintDialog( parent, data );
 149 #elif defined(__WXMAC__)
 150     return new wxMacPrintDialog( parent, data );
 151 #else
 152     return new wxGenericPrintDialog( parent, data );
 153 #endif
 154 }
 155
 156 wxPageSetupDialogBase *wxNativePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 157                                                   wxPageSetupDialogData *data )
 158 {
 159 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 160     return new wxWindowsPageSetupDialog( parent, data );
 161 #elif defined(__WXMAC__)
 162     return new wxMacPageSetupDialog( parent, data );
 163 #else
 164     return new wxGenericPageSetupDialog( parent, data );
 165 #endif
 166 }
 167
 168 bool wxNativePrintFactory::HasPrintSetupDialog()
 169 {
 170 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 171     return false;
 172 #elif defined(__WXMAC__)
 173     return false;
 174 #else
 175     // Only here do we need to provide the print setup
 176     // dialog ourselves, the other platforms either have
 177     // none, don't make it accessible or let you configure
 178     // the printer from the wxPrintDialog anyway.
 179     return true;
 180 #endif
 181
 182 }
 183
 184 wxDialog *wxNativePrintFactory::CreatePrintSetupDialog( wxWindow *parent,
 185                                                         wxPrintData *data )
 186 {
 187 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 188     wxUnusedVar(parent);
 189     wxUnusedVar(data);
 190     return NULL;
 191 #elif defined(__WXMAC__)
 192     wxUnusedVar(parent);
 193     wxUnusedVar(data);
 194     return NULL;
 195 #else
 196     // Only here do we need to provide the print setup
 197     // dialog ourselves, the other platforms either have
 198     // none, don't make it accessible or let you configure
 199     // the printer from the wxPrintDialog anyway.
 200     return new wxGenericPrintSetupDialog( parent, data );
 201 #endif
 202 }
 203
 204 bool wxNativePrintFactory::HasOwnPrintToFile()
 205 {
 206     // Only relevant for PostScript and here the
 207     // setup dialog provides no "print to file"
 208     // option. In the GNOME setup dialog, the
 209     // setup dialog has its own print to file.
 210     return false;
 211 }
 212
 213 bool wxNativePrintFactory::HasPrinterLine()
 214 {
 215     // Only relevant for PostScript for now
 216     return true;
 217 }
 218
 219 wxString wxNativePrintFactory::CreatePrinterLine()
 220 {
 221     // Only relevant for PostScript for now
 222
 223     // We should query "lpstat -d" here
 224     return _("Generic PostScript");
 225 }
 226
 227 bool wxNativePrintFactory::HasStatusLine()
 228 {
 229     // Only relevant for PostScript for now
 230     return true;
 231 }
 232
 233 wxString wxNativePrintFactory::CreateStatusLine()
 234 {
 235     // Only relevant for PostScript for now
 236
 237     // We should query "lpstat -r" or "lpstat -p" here
 238     return _("Ready");
 239 }
 240
 241 wxPrintNativeDataBase *wxNativePrintFactory::CreatePrintNativeData()
 242 {
 243 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 244     return new wxWindowsPrintNativeData;
 245 #elif defined(__WXMAC__)
 246     return new wxMacCarbonPrintData;
 247 #else
 248     return new wxPostScriptPrintNativeData;
 249 #endif
 250 }
 251
 252 //----------------------------------------------------------------------------
 253 // wxPrintNativeDataBase
 254 //----------------------------------------------------------------------------
 255
 256 IMPLEMENT_ABSTRACT_CLASS(wxPrintNativeDataBase, wxObject)
 257
 258 wxPrintNativeDataBase::wxPrintNativeDataBase()
 259 {
 260     m_ref = 1;
 261 }
 262
 263 //----------------------------------------------------------------------------
 264 // wxPrintFactoryModule
 265 //----------------------------------------------------------------------------
 266
 267 class wxPrintFactoryModule: public wxModule
 268 {
 269 public:
 270     wxPrintFactoryModule() {}
 271     bool OnInit() { return true; }
 272     void OnExit() { wxPrintFactory::SetPrintFactory( NULL ); }
 273
 274 private:
 275     DECLARE_DYNAMIC_CLASS(wxPrintFactoryModule)
 276 };
 277
 278 IMPLEMENT_DYNAMIC_CLASS(wxPrintFactoryModule, wxModule)
 279
 280 //----------------------------------------------------------------------------
 281 // wxPrinterBase
 282 //----------------------------------------------------------------------------
 283
 284 IMPLEMENT_CLASS(wxPrinterBase, wxObject)
 285
 286 wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
 287 {
 288     m_currentPrintout = (wxPrintout *) NULL;
 289     sm_abortWindow = (wxWindow *) NULL;
 290     sm_abortIt = false;
 291     if (data)
 292         m_printDialogData = (*data);
 293     sm_lastError = wxPRINTER_NO_ERROR;
 294 }
 295
 296 wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 297 bool wxPrinterBase::sm_abortIt = false;
 298 wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
 299
 300 wxPrinterBase::~wxPrinterBase()
 301 {
 302 }
 303
 304 wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout)
 305 {
 306     wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
 307
 308     wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL );
 309     button_sizer->Add( new wxStaticText(dialog, wxID_ANY, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 );
 310     button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 );
 311
 312     dialog->SetAutoLayout( true );
 313     dialog->SetSizer( button_sizer );
 314
 315     button_sizer->Fit(dialog);
 316     button_sizer->SetSizeHints (dialog) ;
 317
 318     return dialog;
 319 }
 320
 321 void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message)
 322 {
 323     wxMessageBox(message, _("Printing Error"), wxOK, parent);
 324 }
 325
 326 wxPrintDialogData& wxPrinterBase::GetPrintDialogData() const
 327 {
 328     return (wxPrintDialogData&) m_printDialogData;
 329 }
 330
 331 //----------------------------------------------------------------------------
 332 // wxPrinter
 333 //----------------------------------------------------------------------------
 334
 335 IMPLEMENT_CLASS(wxPrinter, wxPrinterBase)
 336
 337 wxPrinter::wxPrinter(wxPrintDialogData *data)
 338 {
 339     m_pimpl = wxPrintFactory::GetFactory()->CreatePrinter( data );
 340 }
 341
 342 wxPrinter::~wxPrinter()
 343 {
 344     delete m_pimpl;
 345 }
 346
 347 wxWindow *wxPrinter::CreateAbortWindow(wxWindow *parent, wxPrintout *printout)
 348 {
 349     return m_pimpl->CreateAbortWindow( parent, printout );
 350 }
 351
 352 void wxPrinter::ReportError(wxWindow *parent, wxPrintout *printout, const wxString& message)
 353 {
 354     m_pimpl->ReportError( parent, printout, message );
 355 }
 356
 357 bool wxPrinter::Setup(wxWindow *parent)
 358 {
 359     return m_pimpl->Setup( parent );
 360 }
 361
 362 bool wxPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 363 {
 364     return m_pimpl->Print( parent, printout, prompt );
 365 }
 366
 367 wxDC* wxPrinter::PrintDialog(wxWindow *parent)
 368 {
 369     return m_pimpl->PrintDialog( parent );
 370 }
 371
 372 wxPrintDialogData& wxPrinter::GetPrintDialogData() const
 373 {
 374     return m_pimpl->GetPrintDialogData();
 375 }
 376
 377 // ---------------------------------------------------------------------------
 378 // wxPrintDialogBase: the dialog for printing.
 379 // ---------------------------------------------------------------------------
 380
 381 IMPLEMENT_ABSTRACT_CLASS(wxPrintDialogBase, wxDialog)
 382
 383 wxPrintDialogBase::wxPrintDialogBase(wxWindow *parent,
 384                                      wxWindowID id,
 385                                      const wxString &title,
 386                                      const wxPoint &pos,
 387                                      const wxSize &size,
 388                                      long style)
 389     : wxDialog( parent, id, title.empty() ? wxString(_("Print")) : title,
 390                 pos, size, style )
 391 {
 392 }
 393
 394 // ---------------------------------------------------------------------------
 395 // wxPrintDialog: the dialog for printing
 396 // ---------------------------------------------------------------------------
 397
 398 IMPLEMENT_CLASS(wxPrintDialog, wxObject)
 399
 400 wxPrintDialog::wxPrintDialog(wxWindow *parent, wxPrintDialogData* data)
 401 {
 402     m_pimpl = wxPrintFactory::GetFactory()->CreatePrintDialog( parent, data );
 403 }
 404
 405 wxPrintDialog::wxPrintDialog(wxWindow *parent, wxPrintData* data)
 406 {
 407     m_pimpl = wxPrintFactory::GetFactory()->CreatePrintDialog( parent, data );
 408 }
 409
 410 wxPrintDialog::~wxPrintDialog()
 411 {
 412     delete m_pimpl;
 413 }
 414
 415 int wxPrintDialog::ShowModal()
 416 {
 417     return m_pimpl->ShowModal();
 418 }
 419
 420 wxPrintDialogData& wxPrintDialog::GetPrintDialogData()
 421 {
 422     return m_pimpl->GetPrintDialogData();
 423 }
 424
 425 wxPrintData& wxPrintDialog::GetPrintData()
 426 {
 427     return m_pimpl->GetPrintData();
 428 }
 429
 430 wxDC *wxPrintDialog::GetPrintDC()
 431 {
 432     return m_pimpl->GetPrintDC();
 433 }
 434
 435 // ---------------------------------------------------------------------------
 436 // wxPageSetupDialogBase: the page setup dialog
 437 // ---------------------------------------------------------------------------
 438
 439 IMPLEMENT_ABSTRACT_CLASS(wxPageSetupDialogBase, wxDialog)
 440
 441 wxPageSetupDialogBase::wxPageSetupDialogBase(wxWindow *parent,
 442                                      wxWindowID id,
 443                                      const wxString &title,
 444                                      const wxPoint &pos,
 445                                      const wxSize &size,
 446                                      long style)
 447     : wxDialog( parent, id, title.empty() ? wxString(_("Page setup")) : title,
 448                 pos, size, style )
 449 {
 450 }
 451
 452 // ---------------------------------------------------------------------------
 453 // wxPageSetupDialog: the page setup dialog
 454 // ---------------------------------------------------------------------------
 455
 456 IMPLEMENT_CLASS(wxPageSetupDialog, wxObject)
 457
 458 wxPageSetupDialog::wxPageSetupDialog(wxWindow *parent, wxPageSetupDialogData *data )
 459 {
 460     m_pimpl = wxPrintFactory::GetFactory()->CreatePageSetupDialog( parent, data );
 461 }
 462
 463 wxPageSetupDialog::~wxPageSetupDialog()
 464 {
 465     delete m_pimpl;
 466 }
 467
 468 int wxPageSetupDialog::ShowModal()
 469 {
 470     return m_pimpl->ShowModal();
 471 }
 472
 473 wxPageSetupDialogData& wxPageSetupDialog::GetPageSetupDialogData()
 474 {
 475     return m_pimpl->GetPageSetupDialogData();
 476 }
 477
 478 // old name
 479 wxPageSetupDialogData& wxPageSetupDialog::GetPageSetupData()
 480 {
 481     return m_pimpl->GetPageSetupDialogData();
 482 }
 483
 484 //----------------------------------------------------------------------------
 485 // wxPrintAbortDialog
 486 //----------------------------------------------------------------------------
 487
 488 BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
 489     EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
 490 END_EVENT_TABLE()
 491
 492 void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 493 {
 494     wxPrinterBase::sm_abortIt = true;
 495     wxPrinterBase::sm_abortWindow->Show(false);
 496     wxPrinterBase::sm_abortWindow->Close(true);
 497     wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 498 }
 499
 500 //----------------------------------------------------------------------------
 501 // wxPrintout
 502 //----------------------------------------------------------------------------
 503
 504 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
 505
 506 wxPrintout::wxPrintout(const wxString& title)
 507 {
 508     m_printoutTitle = title ;
 509     m_printoutDC = (wxDC *) NULL;
 510     m_pageWidthMM = 0;
 511     m_pageHeightMM = 0;
 512     m_pageWidthPixels = 0;
 513     m_pageHeightPixels = 0;
 514     m_PPIScreenX = 0;
 515     m_PPIScreenY = 0;
 516     m_PPIPrinterX = 0;
 517     m_PPIPrinterY = 0;
 518     m_isPreview = false;
 519 }
 520
 521 wxPrintout::~wxPrintout()
 522 {
 523 }
 524
 525 bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
 526 {
 527     return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);
 528 }
 529
 530 void wxPrintout::OnEndDocument()
 531 {
 532     GetDC()->EndDoc();
 533 }
 534
 535 void wxPrintout::OnBeginPrinting()
 536 {
 537 }
 538
 539 void wxPrintout::OnEndPrinting()
 540 {
 541 }
 542
 543 bool wxPrintout::HasPage(int page)
 544 {
 545     return (page == 1);
 546 }
 547
 548 void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
 549 {
 550     *minPage = 1;
 551     *maxPage = 32000;
 552     *fromPage = 1;
 553     *toPage = 1;
 554 }
 555
 556 //----------------------------------------------------------------------------
 557 // wxPreviewCanvas
 558 //----------------------------------------------------------------------------
 559
 560 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
 561
 562 BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
 563     EVT_PAINT(wxPreviewCanvas::OnPaint)
 564     EVT_CHAR(wxPreviewCanvas::OnChar)
 565     EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
 566 #if wxUSE_MOUSEWHEEL
 567     EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel)
 568 #endif
 569 END_EVENT_TABLE()
 570
 571 // VZ: the current code doesn't refresh properly without
 572 //     wxFULL_REPAINT_ON_RESIZE, this must be fixed as otherwise we have
 573 //     really horrible flicker when resizing the preview frame, but without
 574 //     this style it simply doesn't work correctly at all...
 575 wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
 576                                  const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 577 wxScrolledWindow(parent, wxID_ANY, pos, size, style | wxFULL_REPAINT_ON_RESIZE, name)
 578 {
 579     m_printPreview = preview;
 580 #ifdef __WXMAC__
 581     // The app workspace colour is always white, but we should have
 582     // a contrast with the page.
 583     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 584 #else
 585     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
 586 #endif
 587     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
 588
 589     SetScrollbars(10, 10, 100, 100);
 590 }
 591
 592 wxPreviewCanvas::~wxPreviewCanvas()
 593 {
 594 }
 595
 596 void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 597 {
 598     wxPaintDC dc(this);
 599     PrepareDC( dc );
 600
 601 /*
 602 #ifdef __WXGTK__
 603     if (!GetUpdateRegion().IsEmpty())
 604         dc.SetClippingRegion( GetUpdateRegion() );
 605 #endif
 606 */
 607
 608     if (m_printPreview)
 609     {
 610         m_printPreview->PaintPage(this, dc);
 611     }
 612 }
 613
 614 // Responds to colour changes, and passes event on to children.
 615 void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
 616 {
 617 #ifdef __WXMAC__
 618     // The app workspace colour is always white, but we should have
 619     // a contrast with the page.
 620     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 621 #else
 622     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
 623 #endif
 624     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
 625     Refresh();
 626
 627     // Propagate the event to the non-top-level children
 628     wxWindow::OnSysColourChanged(event);
 629 }
 630
 631 void wxPreviewCanvas::OnChar(wxKeyEvent &event)
 632 {
 633     wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
 634     if (event.GetKeyCode() == WXK_ESCAPE)
 635     {
 636         ((wxPreviewFrame*) GetParent())->Close(true);
 637         return;
 638     }
 639     else if (event.GetKeyCode() == WXK_TAB)
 640     {
 641         controlBar->OnGoto();
 642         return;
 643     }
 644     else if (event.GetKeyCode() == WXK_RETURN)
 645     {
 646         controlBar->OnPrint();
 647         return;
 648     }
 649
 650     if (!event.ControlDown())
 651     {
 652         event.Skip();
 653         return;
 654     }
 655
 656     switch(event.GetKeyCode())
 657     {
 658         case WXK_PAGEDOWN:
 659             controlBar->OnNext(); break;
 660         case WXK_PAGEUP:
 661             controlBar->OnPrevious(); break;
 662         case WXK_HOME:
 663             controlBar->OnFirst(); break;
 664         case WXK_END:
 665             controlBar->OnLast(); break;
 666         default:
 667             event.Skip();
 668     }
 669 }
 670
 671 #if wxUSE_MOUSEWHEEL
 672
 673 void wxPreviewCanvas::OnMouseWheel(wxMouseEvent& event)
 674 {
 675     wxPreviewControlBar *
 676         controlBar = wxStaticCast(GetParent(), wxPreviewFrame)->GetControlBar();
 677
 678     if ( controlBar )
 679     {
 680         if ( event.ControlDown() && event.GetWheelRotation() != 0 )
 681         {
 682             int currentZoom = controlBar->GetZoomControl();
 683
 684             int delta;
 685             if ( currentZoom < 100 )
 686                 delta = 5;
 687             else if ( currentZoom <= 120 )
 688                 delta = 10;
 689             else
 690                 delta = 50;
 691
 692             if ( event.GetWheelRotation() > 0 )
 693                 delta = -delta;
 694
 695             int newZoom = currentZoom + delta;
 696             if ( newZoom < 10 )
 697                 newZoom = 10;
 698             if ( newZoom > 200 )
 699                 newZoom = 200;
 700             if ( newZoom != currentZoom )
 701             {
 702                 controlBar->SetZoomControl(newZoom);
 703                 m_printPreview->SetZoom(newZoom);
 704                 Refresh();
 705             }
 706             return;
 707         }
 708     }
 709
 710     event.Skip();
 711 }
 712
 713 #endif // wxUSE_MOUSEWHEEL
 714
 715 //----------------------------------------------------------------------------
 716 // wxPreviewControlBar
 717 //----------------------------------------------------------------------------
 718
 719 IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
 720
 721 BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
 722     EVT_BUTTON(wxID_PREVIEW_CLOSE,    wxPreviewControlBar::OnWindowClose)
 723     EVT_BUTTON(wxID_PREVIEW_PRINT,    wxPreviewControlBar::OnPrintButton)
 724     EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
 725     EVT_BUTTON(wxID_PREVIEW_NEXT,     wxPreviewControlBar::OnNextButton)
 726     EVT_BUTTON(wxID_PREVIEW_FIRST,    wxPreviewControlBar::OnFirstButton)
 727     EVT_BUTTON(wxID_PREVIEW_LAST,     wxPreviewControlBar::OnLastButton)
 728     EVT_BUTTON(wxID_PREVIEW_GOTO,     wxPreviewControlBar::OnGotoButton)
 729     EVT_CHOICE(wxID_PREVIEW_ZOOM,     wxPreviewControlBar::OnZoom)
 730     EVT_PAINT(wxPreviewControlBar::OnPaint)
 731 END_EVENT_TABLE()
 732
 733 wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
 734                                          wxWindow *parent, const wxPoint& pos, const wxSize& size,
 735                                          long style, const wxString& name):
 736 wxPanel(parent, wxID_ANY, pos, size, style, name)
 737 {
 738     m_printPreview = preview;
 739     m_closeButton = (wxButton *) NULL;
 740     m_nextPageButton = (wxButton *) NULL;
 741     m_previousPageButton = (wxButton *) NULL;
 742     m_printButton = (wxButton *) NULL;
 743     m_zoomControl = (wxChoice *) NULL;
 744     m_buttonFlags = buttons;
 745 }
 746
 747 wxPreviewControlBar::~wxPreviewControlBar()
 748 {
 749 }
 750
 751 void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
 752 {
 753     wxPaintDC dc(this);
 754
 755     int w, h;
 756     GetSize(&w, &h);
 757     dc.SetPen(*wxBLACK_PEN);
 758     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 759     dc.DrawLine( 0, h-1, w, h-1 );
 760 }
 761
 762 void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
 763 {
 764     wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
 765     frame->Close(true);
 766 }
 767
 768 void wxPreviewControlBar::OnPrint(void)
 769 {
 770     wxPrintPreviewBase *preview = GetPrintPreview();
 771     preview->Print(true);
 772 }
 773
 774 void wxPreviewControlBar::OnNext(void)
 775 {
 776     wxPrintPreviewBase *preview = GetPrintPreview();
 777     if (preview)
 778     {
 779         int currentPage = preview->GetCurrentPage();
 780         if ((preview->GetMaxPage() > 0) &&
 781             (currentPage < preview->GetMaxPage()) &&
 782             preview->GetPrintout()->HasPage(currentPage + 1))
 783         {
 784             preview->SetCurrentPage(currentPage + 1);
 785         }
 786     }
 787 }
 788
 789 void wxPreviewControlBar::OnPrevious(void)
 790 {
 791     wxPrintPreviewBase *preview = GetPrintPreview();
 792     if (preview)
 793     {
 794         int currentPage = preview->GetCurrentPage();
 795         if ((preview->GetMinPage() > 0) &&
 796             (currentPage > preview->GetMinPage()) &&
 797             preview->GetPrintout()->HasPage(currentPage - 1))
 798         {
 799             preview->SetCurrentPage(currentPage - 1);
 800         }
 801     }
 802 }
 803
 804 void wxPreviewControlBar::OnFirst(void)
 805 {
 806     wxPrintPreviewBase *preview = GetPrintPreview();
 807     if (preview)
 808     {
 809         int currentPage = preview->GetMinPage();
 810         if (preview->GetPrintout()->HasPage(currentPage))
 811         {
 812             preview->SetCurrentPage(currentPage);
 813         }
 814     }
 815 }
 816
 817 void wxPreviewControlBar::OnLast(void)
 818 {
 819     wxPrintPreviewBase *preview = GetPrintPreview();
 820     if (preview)
 821     {
 822         int currentPage = preview->GetMaxPage();
 823         if (preview->GetPrintout()->HasPage(currentPage))
 824         {
 825             preview->SetCurrentPage(currentPage);
 826         }
 827     }
 828 }
 829
 830 void wxPreviewControlBar::OnGoto(void)
 831 {
 832     wxPrintPreviewBase *preview = GetPrintPreview();
 833     if (preview)
 834     {
 835         long currentPage;
 836
 837         if (preview->GetMinPage() > 0)
 838         {
 839             wxString strPrompt;
 840             wxString strPage;
 841
 842             strPrompt.Printf( _("Enter a page number between %d and %d:"),
 843                 preview->GetMinPage(), preview->GetMaxPage());
 844             strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
 845
 846             strPage =
 847                 wxGetTextFromUser( strPrompt, _("Goto Page"), strPage, GetParent());
 848
 849             if ( strPage.ToLong( &currentPage ) )
 850                 if (preview->GetPrintout()->HasPage(currentPage))
 851                 {
 852                     preview->SetCurrentPage(currentPage);
 853                 }
 854         }
 855     }
 856 }
 857
 858 void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
 859 {
 860     int zoom = GetZoomControl();
 861     if (GetPrintPreview())
 862         GetPrintPreview()->SetZoom(zoom);
 863 }
 864
 865 void wxPreviewControlBar::CreateButtons()
 866 {
 867     SetSize(0, 0, 400, 40);
 868
 869     wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
 870
 871     m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
 872     item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
 873
 874     if (m_buttonFlags & wxPREVIEW_PRINT)
 875     {
 876         m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
 877         item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
 878     }
 879
 880     if (m_buttonFlags & wxPREVIEW_FIRST)
 881     {
 882         m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
 883         item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
 884     }
 885
 886     if (m_buttonFlags & wxPREVIEW_PREVIOUS)
 887     {
 888         m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
 889         item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
 890     }
 891
 892     if (m_buttonFlags & wxPREVIEW_NEXT)
 893     {
 894         m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
 895         item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
 896     }
 897
 898     if (m_buttonFlags & wxPREVIEW_LAST)
 899     {
 900         m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxDefaultSize, wxBU_EXACTFIT );
 901         item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
 902     }
 903
 904     if (m_buttonFlags & wxPREVIEW_GOTO)
 905     {
 906         m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
 907         item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
 908     }
 909
 910     if (m_buttonFlags & wxPREVIEW_ZOOM)
 911     {
 912         wxString choices[] =
 913         {
 914             wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
 915                 wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
 916                 wxT("120%"), wxT("150%"), wxT("200%")
 917         };
 918         int n = WXSIZEOF(choices);
 919
 920         m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,wxDefaultCoord), n, choices, 0 );
 921         item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
 922         SetZoomControl(m_printPreview->GetZoom());
 923     }
 924
 925     SetSizer(item0);
 926     item0->Fit(this);
 927 }
 928
 929 void wxPreviewControlBar::SetZoomControl(int zoom)
 930 {
 931     if (m_zoomControl)
 932     {
 933         int n, count = m_zoomControl->GetCount();
 934         long val;
 935         for (n=0; n<count; n++)
 936         {
 937             if (m_zoomControl->GetString(n).BeforeFirst(wxT('%')).ToLong(&val) &&
 938                 (val >= long(zoom)))
 939             {
 940                 m_zoomControl->SetSelection(n);
 941                 return;
 942             }
 943         }
 944
 945         m_zoomControl->SetSelection(count-1);
 946     }
 947 }
 948
 949 int wxPreviewControlBar::GetZoomControl()
 950 {
 951     if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxEmptyString))
 952     {
 953         long val;
 954         if (m_zoomControl->GetStringSelection().BeforeFirst(wxT('%')).ToLong(&val))
 955             return int(val);
 956     }
 957
 958     return 0;
 959 }
 960
 961
 962 /*
 963 * Preview frame
 964 */
 965
 966 IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
 967
 968 BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
 969     EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
 970 END_EVENT_TABLE()
 971
 972 wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
 973                                const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 974 wxFrame(parent, wxID_ANY, title, pos, size, style, name)
 975 {
 976     m_printPreview = preview;
 977     m_controlBar = NULL;
 978     m_previewCanvas = NULL;
 979     m_windowDisabler = NULL;
 980
 981     // Give the application icon
 982 #ifdef __WXMSW__
 983     wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
 984     if (topFrame)
 985         SetIcon(topFrame->GetIcon());
 986 #endif
 987 }
 988
 989 wxPreviewFrame::~wxPreviewFrame()
 990 {
 991 }
 992
 993 void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
 994 {
 995     if (m_windowDisabler)
 996         delete m_windowDisabler;
 997
 998     // Need to delete the printout and the print preview
 999     wxPrintout *printout = m_printPreview->GetPrintout();
1000     if (printout)
1001     {
1002         delete printout;
1003         m_printPreview->SetPrintout(NULL);
1004         m_printPreview->SetCanvas(NULL);
1005         m_printPreview->SetFrame(NULL);
1006     }
1007     delete m_printPreview;
1008
1009     Destroy();
1010 }
1011
1012 void wxPreviewFrame::Initialize()
1013 {
1014 #if wxUSE_STATUSBAR
1015     CreateStatusBar();
1016 #endif
1017     CreateCanvas();
1018     CreateControlBar();
1019
1020     m_printPreview->SetCanvas(m_previewCanvas);
1021     m_printPreview->SetFrame(this);
1022
1023     wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
1024
1025     item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1026     item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1027
1028     SetAutoLayout( true );
1029     SetSizer( item0 );
1030
1031     m_windowDisabler = new wxWindowDisabler(this);
1032
1033     Layout();
1034
1035     m_printPreview->AdjustScrollbars(m_previewCanvas);
1036     m_previewCanvas->SetFocus();
1037     m_controlBar->SetFocus();
1038 }
1039
1040 void wxPreviewFrame::CreateCanvas()
1041 {
1042     m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
1043 }
1044
1045 void wxPreviewFrame::CreateControlBar()
1046 {
1047     long buttons = wxPREVIEW_DEFAULT;
1048     if (m_printPreview->GetPrintoutForPrinting())
1049         buttons |= wxPREVIEW_PRINT;
1050
1051     m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0,0), wxSize(400, 40));
1052     m_controlBar->CreateButtons();
1053 }
1054
1055 /*
1056 * Print preview
1057 */
1058
1059 IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
1060
1061 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1062                                        wxPrintout *printoutForPrinting,
1063                                        wxPrintData *data)
1064 {
1065     if (data)
1066         m_printDialogData = (*data);
1067
1068     Init(printout, printoutForPrinting);
1069 }
1070
1071 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1072                                        wxPrintout *printoutForPrinting,
1073                                        wxPrintDialogData *data)
1074 {
1075     if (data)
1076         m_printDialogData = (*data);
1077
1078     Init(printout, printoutForPrinting);
1079 }
1080
1081 void wxPrintPreviewBase::Init(wxPrintout *printout,
1082                               wxPrintout *printoutForPrinting)
1083 {
1084     m_isOk = true;
1085     m_previewPrintout = printout;
1086     if (m_previewPrintout)
1087         m_previewPrintout->SetIsPreview(true);
1088
1089     m_printPrintout = printoutForPrinting;
1090
1091     m_previewCanvas = NULL;
1092     m_previewFrame = NULL;
1093     m_previewBitmap = NULL;
1094     m_currentPage = 1;
1095     m_currentZoom = 70;
1096     m_topMargin = 40;
1097     m_leftMargin = 40;
1098     m_pageWidth = 0;
1099     m_pageHeight = 0;
1100     m_printingPrepared = false;
1101     m_minPage = 1;
1102     m_maxPage = 1;
1103 }
1104
1105 wxPrintPreviewBase::~wxPrintPreviewBase()
1106 {
1107     if (m_previewPrintout)
1108         delete m_previewPrintout;
1109     if (m_previewBitmap)
1110         delete m_previewBitmap;
1111     if (m_printPrintout)
1112         delete m_printPrintout;
1113 }
1114
1115 bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
1116 {
1117     if (m_currentPage == pageNum)
1118         return true;
1119
1120     m_currentPage = pageNum;
1121     if (m_previewBitmap)
1122     {
1123         delete m_previewBitmap;
1124         m_previewBitmap = NULL;
1125     }
1126
1127     if (m_previewCanvas)
1128     {
1129         AdjustScrollbars(m_previewCanvas);
1130
1131         if (!RenderPage(pageNum))
1132             return false;
1133         m_previewCanvas->Refresh();
1134         m_previewCanvas->SetFocus();
1135     }
1136     return true;
1137 }
1138
1139 int wxPrintPreviewBase::GetCurrentPage() const
1140     { return m_currentPage; }
1141 void wxPrintPreviewBase::SetPrintout(wxPrintout *printout)
1142     { m_previewPrintout = printout; }
1143 wxPrintout *wxPrintPreviewBase::GetPrintout() const
1144     { return m_previewPrintout; }
1145 wxPrintout *wxPrintPreviewBase::GetPrintoutForPrinting() const
1146     { return m_printPrintout; }
1147 void wxPrintPreviewBase::SetFrame(wxFrame *frame)
1148     { m_previewFrame = frame; }
1149 void wxPrintPreviewBase::SetCanvas(wxPreviewCanvas *canvas)
1150     { m_previewCanvas = canvas; }
1151 wxFrame *wxPrintPreviewBase::GetFrame() const
1152     { return m_previewFrame; }
1153 wxPreviewCanvas *wxPrintPreviewBase::GetCanvas() const
1154     { return m_previewCanvas; }
1155
1156 bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1157 {
1158     DrawBlankPage(canvas, dc);
1159
1160     if (!m_previewBitmap)
1161         if (!RenderPage(m_currentPage))
1162             return false;
1163
1164     if (!m_previewBitmap)
1165         return false;
1166
1167     if (!canvas)
1168         return false;
1169
1170     int canvasWidth, canvasHeight;
1171     canvas->GetSize(&canvasWidth, &canvasHeight);
1172
1173     double zoomScale = ((float)m_currentZoom/(float)100);
1174     double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
1175     //  float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
1176
1177     int x = (int) ((canvasWidth - actualWidth)/2.0);
1178     if (x < m_leftMargin)
1179         x = m_leftMargin;
1180     int y = m_topMargin;
1181
1182     wxMemoryDC temp_dc;
1183     temp_dc.SelectObject(*m_previewBitmap);
1184
1185     dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
1186
1187     temp_dc.SelectObject(wxNullBitmap);
1188
1189     return true;
1190 }
1191
1192 // Adjusts the scrollbars for the current scale
1193 void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas)
1194 {
1195     if (!canvas)
1196         return ;
1197
1198     int canvasWidth, canvasHeight;
1199     canvas->GetSize(&canvasWidth, &canvasHeight);
1200
1201     double zoomScale = ((float)m_currentZoom/(float)100);
1202     double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
1203     double actualHeight = (zoomScale*m_pageHeight*m_previewScale);
1204
1205     // Set the scrollbars appropriately
1206     int totalWidth = (int)(actualWidth + 2*m_leftMargin);
1207     int totalHeight = (int)(actualHeight + 2*m_topMargin);
1208     int scrollUnitsX = totalWidth/10;
1209     int scrollUnitsY = totalHeight/10;
1210     wxSize virtualSize = canvas->GetVirtualSize();
1211     if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
1212         canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
1213 }
1214
1215 bool wxPrintPreviewBase::RenderPage(int pageNum)
1216 {
1217     wxBusyCursor busy;
1218
1219     int canvasWidth, canvasHeight;
1220
1221     if (!m_previewCanvas)
1222     {
1223         wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
1224
1225         return false;
1226     }
1227     m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
1228
1229     double zoomScale = (m_currentZoom/100.0);
1230     int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
1231     int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
1232
1233     if (!m_previewBitmap)
1234     {
1235         m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
1236         if (!m_previewBitmap || !m_previewBitmap->Ok())
1237         {
1238             if (m_previewBitmap) {
1239                 delete m_previewBitmap;
1240                 m_previewBitmap = NULL;
1241             }
1242             wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
1243             return false;
1244         }
1245     }
1246
1247     wxMemoryDC memoryDC;
1248     memoryDC.SelectObject(*m_previewBitmap);
1249
1250     memoryDC.Clear();
1251
1252     m_previewPrintout->SetDC(&memoryDC);
1253     m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1254
1255     // Need to delay OnPreparePrinting until here, so we have enough information.
1256     if (!m_printingPrepared)
1257     {
1258         m_previewPrintout->OnPreparePrinting();
1259         int selFrom, selTo;
1260         m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
1261         m_printingPrepared = true;
1262     }
1263
1264     m_previewPrintout->OnBeginPrinting();
1265
1266     if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
1267     {
1268         wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
1269
1270         memoryDC.SelectObject(wxNullBitmap);
1271
1272         delete m_previewBitmap;
1273         m_previewBitmap = NULL;
1274         return false;
1275     }
1276
1277     m_previewPrintout->OnPrintPage(pageNum);
1278     m_previewPrintout->OnEndDocument();
1279     m_previewPrintout->OnEndPrinting();
1280
1281     m_previewPrintout->SetDC(NULL);
1282
1283     memoryDC.SelectObject(wxNullBitmap);
1284
1285 #if wxUSE_STATUSBAR
1286     wxString status;
1287     if (m_maxPage != 0)
1288         status = wxString::Format(_("Page %d of %d"), pageNum, m_maxPage);
1289     else
1290         status = wxString::Format(_("Page %d"), pageNum);
1291
1292     if (m_previewFrame)
1293         m_previewFrame->SetStatusText(status);
1294 #endif
1295
1296     return true;
1297 }
1298
1299
1300 bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1301 {
1302     int canvasWidth, canvasHeight;
1303     canvas->GetSize(&canvasWidth, &canvasHeight);
1304
1305     float zoomScale = (float)((float)m_currentZoom/(float)100);
1306     float actualWidth = zoomScale*m_pageWidth*m_previewScale;
1307     float actualHeight = zoomScale*m_pageHeight*m_previewScale;
1308
1309     float x = (float)((canvasWidth - actualWidth)/2.0);
1310     if (x < m_leftMargin)
1311         x = (float)m_leftMargin;
1312     float y = (float)m_topMargin;
1313
1314     // Draw shadow, allowing for 1-pixel border AROUND the actual page
1315     int shadowOffset = 4;
1316     dc.SetPen(*wxBLACK_PEN);
1317     dc.SetBrush(*wxBLACK_BRUSH);
1318     /*
1319     dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
1320     */
1321     dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
1322     dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
1323
1324     // Draw blank page allowing for 1-pixel border AROUND the actual page
1325     dc.SetPen(*wxBLACK_PEN);
1326     dc.SetBrush(*wxWHITE_BRUSH);
1327
1328     /*
1329     wxRegion update_region = canvas->GetUpdateRegion();
1330     wxRect r = update_region.GetBox();
1331
1332       printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
1333     */
1334
1335     dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
1336
1337     return true;
1338 }
1339
1340 void wxPrintPreviewBase::SetZoom(int percent)
1341 {
1342     if (m_currentZoom == percent)
1343         return;
1344
1345     m_currentZoom = percent;
1346     if (m_previewBitmap)
1347     {
1348         delete m_previewBitmap;
1349         m_previewBitmap = NULL;
1350     }
1351
1352     if (m_previewCanvas)
1353     {
1354         AdjustScrollbars(m_previewCanvas);
1355         RenderPage(m_currentPage);
1356         ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
1357         m_previewCanvas->ClearBackground();
1358         m_previewCanvas->Refresh();
1359         m_previewCanvas->SetFocus();
1360     }
1361 }
1362
1363 wxPrintDialogData& wxPrintPreviewBase::GetPrintDialogData()
1364 {
1365     return m_printDialogData;
1366 }
1367
1368 int wxPrintPreviewBase::GetZoom() const
1369 { return m_currentZoom; }
1370 int wxPrintPreviewBase::GetMaxPage() const
1371 { return m_maxPage; }
1372 int wxPrintPreviewBase::GetMinPage() const
1373 { return m_minPage; }
1374 bool wxPrintPreviewBase::Ok() const
1375 { return m_isOk; }
1376 void wxPrintPreviewBase::SetOk(bool ok)
1377 { m_isOk = ok; }
1378 //----------------------------------------------------------------------------
1379 // wxPrintPreview
1380 //----------------------------------------------------------------------------
1381
1382 IMPLEMENT_CLASS(wxPrintPreview, wxPrintPreviewBase)
1383
1384 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1385                    wxPrintout *printoutForPrinting,
1386                    wxPrintDialogData *data) :
1387     wxPrintPreviewBase( printout, printoutForPrinting, data )
1388 {
1389     m_pimpl = wxPrintFactory::GetFactory()->
1390         CreatePrintPreview( printout, printoutForPrinting, data );
1391 }
1392
1393 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1394                    wxPrintout *printoutForPrinting,
1395                    wxPrintData *data ) :
1396     wxPrintPreviewBase( printout, printoutForPrinting, data )
1397 {
1398     m_pimpl = wxPrintFactory::GetFactory()->
1399         CreatePrintPreview( printout, printoutForPrinting, data );
1400 }
1401
1402 wxPrintPreview::~wxPrintPreview()
1403 {
1404     delete m_pimpl;
1405
1406     // don't delete twice
1407     m_printPrintout = NULL;
1408     m_previewPrintout = NULL;
1409     m_previewBitmap = NULL;
1410 }
1411
1412 bool wxPrintPreview::SetCurrentPage(int pageNum)
1413 {
1414     return m_pimpl->SetCurrentPage( pageNum );
1415 }
1416
1417 int wxPrintPreview::GetCurrentPage() const
1418 {
1419     return m_pimpl->GetCurrentPage();
1420 }
1421
1422 void wxPrintPreview::SetPrintout(wxPrintout *printout)
1423 {
1424     m_pimpl->SetPrintout( printout );
1425 }
1426
1427 wxPrintout *wxPrintPreview::GetPrintout() const
1428 {
1429     return m_pimpl->GetPrintout();
1430 }
1431
1432 wxPrintout *wxPrintPreview::GetPrintoutForPrinting() const
1433 {
1434     return m_pimpl->GetPrintoutForPrinting();
1435 }
1436
1437 void wxPrintPreview::SetFrame(wxFrame *frame)
1438 {
1439     m_pimpl->SetFrame( frame );
1440 }
1441
1442 void wxPrintPreview::SetCanvas(wxPreviewCanvas *canvas)
1443 {
1444     m_pimpl->SetCanvas( canvas );
1445 }
1446
1447 wxFrame *wxPrintPreview::GetFrame() const
1448 {
1449     return m_pimpl->GetFrame();
1450 }
1451
1452 wxPreviewCanvas *wxPrintPreview::GetCanvas() const
1453 {
1454     return m_pimpl->GetCanvas();
1455 }
1456
1457 bool wxPrintPreview::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1458 {
1459     return m_pimpl->PaintPage( canvas, dc );
1460 }
1461
1462 bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1463 {
1464     return m_pimpl->DrawBlankPage( canvas, dc );
1465 }
1466
1467 void wxPrintPreview::AdjustScrollbars(wxPreviewCanvas *canvas)
1468 {
1469     m_pimpl->AdjustScrollbars( canvas );
1470 }
1471
1472 bool wxPrintPreview::RenderPage(int pageNum)
1473 {
1474     return m_pimpl->RenderPage( pageNum );
1475 }
1476
1477 void wxPrintPreview::SetZoom(int percent)
1478 {
1479     m_pimpl->SetZoom( percent );
1480 }
1481
1482 int wxPrintPreview::GetZoom() const
1483 {
1484     return m_pimpl->GetZoom();
1485 }
1486
1487 wxPrintDialogData& wxPrintPreview::GetPrintDialogData()
1488 {
1489     return m_pimpl->GetPrintDialogData();
1490 }
1491
1492 int wxPrintPreview::GetMaxPage() const
1493 {
1494     return m_pimpl->GetMaxPage();
1495 }
1496
1497 int wxPrintPreview::GetMinPage() const
1498 {
1499     return m_pimpl->GetMinPage();
1500 }
1501
1502 bool wxPrintPreview::Ok() const
1503 {
1504     return m_pimpl->Ok();
1505 }
1506
1507 void wxPrintPreview::SetOk(bool ok)
1508 {
1509     m_pimpl->SetOk( ok );
1510 }
1511
1512 bool wxPrintPreview::Print(bool interactive)
1513 {
1514     return m_pimpl->Print( interactive );
1515 }
1516
1517 void wxPrintPreview::DetermineScaling()
1518 {
1519     m_pimpl->DetermineScaling();
1520 }
1521
1522 #endif // wxUSE_PRINTING_ARCHITECTURE