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/math.h"
  31     #include "wx/msgdlg.h"
  32     #include "wx/layout.h"
  33     #include "wx/choice.h"
  34     #include "wx/button.h"
  35     #include "wx/settings.h"
  36     #include "wx/dcmemory.h"
  37     #include "wx/dcclient.h"
  38     #include "wx/stattext.h"
  39     #include "wx/intl.h"
  40     #include "wx/textdlg.h"
  41     #include "wx/sizer.h"
  42     #include "wx/module.h"
  43 #endif // !WX_PRECOMP
  44
  45 #include "wx/prntbase.h"
  46 #include "wx/printdlg.h"
  47 #include "wx/print.h"
  48 #include "wx/dcprint.h"
  49
  50 #include <stdlib.h>
  51 #include <string.h>
  52
  53 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
  54 #include "wx/msw/printdlg.h"
  55 #include "wx/msw/dcprint.h"
  56 #elif defined(__WXMAC__)
  57 #include "wx/osx/printdlg.h"
  58 #include "wx/osx/private/print.h"
  59 #include "wx/osx/dcprint.h"
  60 #elif defined(__WXPM__)
  61 #include "wx/os2/dcprint.h"
  62 #include "wx/generic/prntdlgg.h"
  63 #else
  64 #include "wx/generic/prntdlgg.h"
  65 #include "wx/dcps.h"
  66 #endif
  67
  68 #ifdef __WXMSW__
  69     #ifndef __WIN32__
  70         #include <print.h>
  71     #endif
  72 #endif // __WXMSW__
  73
  74 //----------------------------------------------------------------------------
  75 // wxPrintFactory
  76 //----------------------------------------------------------------------------
  77
  78 wxPrintFactory *wxPrintFactory::m_factory = NULL;
  79
  80 void wxPrintFactory::SetPrintFactory( wxPrintFactory *factory )
  81 {
  82     if (wxPrintFactory::m_factory)
  83         delete wxPrintFactory::m_factory;
  84
  85     wxPrintFactory::m_factory = factory;
  86 }
  87
  88 wxPrintFactory *wxPrintFactory::GetFactory()
  89 {
  90     if (!wxPrintFactory::m_factory)
  91         wxPrintFactory::m_factory = new wxNativePrintFactory;
  92
  93     return wxPrintFactory::m_factory;
  94 }
  95
  96 //----------------------------------------------------------------------------
  97 // wxNativePrintFactory
  98 //----------------------------------------------------------------------------
  99
 100 wxPrinterBase *wxNativePrintFactory::CreatePrinter( wxPrintDialogData *data )
 101 {
 102 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 103     return new wxWindowsPrinter( data );
 104 #elif defined(__WXMAC__)
 105     return new wxMacPrinter( data );
 106 #elif defined(__WXPM__)
 107     return new wxOS2Printer( data );
 108 #else
 109     return new wxPostScriptPrinter( data );
 110 #endif
 111 }
 112
 113 wxPrintPreviewBase *wxNativePrintFactory::CreatePrintPreview( wxPrintout *preview,
 114     wxPrintout *printout, wxPrintDialogData *data )
 115 {
 116 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 117     return new wxWindowsPrintPreview( preview, printout, data );
 118 #elif defined(__WXMAC__)
 119     return new wxMacPrintPreview( preview, printout, data );
 120 #elif defined(__WXPM__)
 121     return new wxOS2PrintPreview( preview, printout, data );
 122 #else
 123     return new wxPostScriptPrintPreview( preview, printout, data );
 124 #endif
 125 }
 126
 127 wxPrintPreviewBase *wxNativePrintFactory::CreatePrintPreview( wxPrintout *preview,
 128     wxPrintout *printout, wxPrintData *data )
 129 {
 130 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 131     return new wxWindowsPrintPreview( preview, printout, data );
 132 #elif defined(__WXMAC__)
 133     return new wxMacPrintPreview( preview, printout, data );
 134 #elif defined(__WXPM__)
 135     return new wxOS2PrintPreview( preview, printout, data );
 136 #else
 137     return new wxPostScriptPrintPreview( preview, printout, data );
 138 #endif
 139 }
 140
 141 wxPrintDialogBase *wxNativePrintFactory::CreatePrintDialog( wxWindow *parent,
 142                                                   wxPrintDialogData *data )
 143 {
 144 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 145     return new wxWindowsPrintDialog( parent, data );
 146 #elif defined(__WXMAC__)
 147     return new wxMacPrintDialog( parent, data );
 148 #else
 149     return new wxGenericPrintDialog( parent, data );
 150 #endif
 151 }
 152
 153 wxPrintDialogBase *wxNativePrintFactory::CreatePrintDialog( wxWindow *parent,
 154                                                   wxPrintData *data )
 155 {
 156 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 157     return new wxWindowsPrintDialog( parent, data );
 158 #elif defined(__WXMAC__)
 159     return new wxMacPrintDialog( parent, data );
 160 #else
 161     return new wxGenericPrintDialog( parent, data );
 162 #endif
 163 }
 164
 165 wxPageSetupDialogBase *wxNativePrintFactory::CreatePageSetupDialog( wxWindow *parent,
 166                                                   wxPageSetupDialogData *data )
 167 {
 168 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 169     return new wxWindowsPageSetupDialog( parent, data );
 170 #elif defined(__WXMAC__)
 171     return new wxMacPageSetupDialog( parent, data );
 172 #else
 173     return new wxGenericPageSetupDialog( parent, data );
 174 #endif
 175 }
 176
 177 bool wxNativePrintFactory::HasPrintSetupDialog()
 178 {
 179 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 180     return false;
 181 #elif defined(__WXMAC__)
 182     return false;
 183 #else
 184     // Only here do we need to provide the print setup
 185     // dialog ourselves, the other platforms either have
 186     // none, don't make it accessible or let you configure
 187     // the printer from the wxPrintDialog anyway.
 188     return true;
 189 #endif
 190
 191 }
 192
 193 wxDialog *wxNativePrintFactory::CreatePrintSetupDialog( wxWindow *parent,
 194                                                         wxPrintData *data )
 195 {
 196 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 197     wxUnusedVar(parent);
 198     wxUnusedVar(data);
 199     return NULL;
 200 #elif defined(__WXMAC__)
 201     wxUnusedVar(parent);
 202     wxUnusedVar(data);
 203     return NULL;
 204 #else
 205     // Only here do we need to provide the print setup
 206     // dialog ourselves, the other platforms either have
 207     // none, don't make it accessible or let you configure
 208     // the printer from the wxPrintDialog anyway.
 209     return new wxGenericPrintSetupDialog( parent, data );
 210 #endif
 211 }
 212
 213 wxDCImpl* wxNativePrintFactory::CreatePrinterDCImpl( wxPrinterDC *owner, const wxPrintData& data )
 214 {
 215 #if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXUNIVERSAL__)
 216     return new wxPostScriptDCImpl( owner, data );
 217 #else
 218     return new wxPrinterDCImpl( owner, data );
 219 #endif
 220 }
 221
 222 bool wxNativePrintFactory::HasOwnPrintToFile()
 223 {
 224     // Only relevant for PostScript and here the
 225     // setup dialog provides no "print to file"
 226     // option. In the GNOME setup dialog, the
 227     // setup dialog has its own print to file.
 228     return false;
 229 }
 230
 231 bool wxNativePrintFactory::HasPrinterLine()
 232 {
 233     // Only relevant for PostScript for now
 234     return true;
 235 }
 236
 237 wxString wxNativePrintFactory::CreatePrinterLine()
 238 {
 239     // Only relevant for PostScript for now
 240
 241     // We should query "lpstat -d" here
 242     return _("Generic PostScript");
 243 }
 244
 245 bool wxNativePrintFactory::HasStatusLine()
 246 {
 247     // Only relevant for PostScript for now
 248     return true;
 249 }
 250
 251 wxString wxNativePrintFactory::CreateStatusLine()
 252 {
 253     // Only relevant for PostScript for now
 254
 255     // We should query "lpstat -r" or "lpstat -p" here
 256     return _("Ready");
 257 }
 258
 259 wxPrintNativeDataBase *wxNativePrintFactory::CreatePrintNativeData()
 260 {
 261 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 262     return new wxWindowsPrintNativeData;
 263 #elif defined(__WXMAC__)
 264     return new wxMacCarbonPrintData;
 265 #else
 266     return new wxPostScriptPrintNativeData;
 267 #endif
 268 }
 269
 270 //----------------------------------------------------------------------------
 271 // wxPrintNativeDataBase
 272 //----------------------------------------------------------------------------
 273
 274 IMPLEMENT_ABSTRACT_CLASS(wxPrintNativeDataBase, wxObject)
 275
 276 wxPrintNativeDataBase::wxPrintNativeDataBase()
 277 {
 278     m_ref = 1;
 279 }
 280
 281 //----------------------------------------------------------------------------
 282 // wxPrintFactoryModule
 283 //----------------------------------------------------------------------------
 284
 285 class wxPrintFactoryModule: public wxModule
 286 {
 287 public:
 288     wxPrintFactoryModule() {}
 289     bool OnInit() { return true; }
 290     void OnExit() { wxPrintFactory::SetPrintFactory( NULL ); }
 291
 292 private:
 293     DECLARE_DYNAMIC_CLASS(wxPrintFactoryModule)
 294 };
 295
 296 IMPLEMENT_DYNAMIC_CLASS(wxPrintFactoryModule, wxModule)
 297
 298 //----------------------------------------------------------------------------
 299 // wxPrinterBase
 300 //----------------------------------------------------------------------------
 301
 302 IMPLEMENT_CLASS(wxPrinterBase, wxObject)
 303
 304 wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
 305 {
 306     m_currentPrintout = (wxPrintout *) NULL;
 307     sm_abortWindow = (wxWindow *) NULL;
 308     sm_abortIt = false;
 309     if (data)
 310         m_printDialogData = (*data);
 311     sm_lastError = wxPRINTER_NO_ERROR;
 312 }
 313
 314 wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 315 bool wxPrinterBase::sm_abortIt = false;
 316 wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
 317
 318 wxPrinterBase::~wxPrinterBase()
 319 {
 320 }
 321
 322 wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout)
 323 {
 324     wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
 325
 326     wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL );
 327     button_sizer->Add( new wxStaticText(dialog, wxID_ANY, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 );
 328     button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 );
 329
 330     dialog->SetAutoLayout( true );
 331     dialog->SetSizer( button_sizer );
 332
 333     button_sizer->Fit(dialog);
 334     button_sizer->SetSizeHints (dialog) ;
 335
 336     return dialog;
 337 }
 338
 339 void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message)
 340 {
 341     wxMessageBox(message, _("Printing Error"), wxOK, parent);
 342 }
 343
 344 wxPrintDialogData& wxPrinterBase::GetPrintDialogData() const
 345 {
 346     return (wxPrintDialogData&) m_printDialogData;
 347 }
 348
 349 //----------------------------------------------------------------------------
 350 // wxPrinter
 351 //----------------------------------------------------------------------------
 352
 353 IMPLEMENT_CLASS(wxPrinter, wxPrinterBase)
 354
 355 wxPrinter::wxPrinter(wxPrintDialogData *data)
 356 {
 357     m_pimpl = wxPrintFactory::GetFactory()->CreatePrinter( data );
 358 }
 359
 360 wxPrinter::~wxPrinter()
 361 {
 362     delete m_pimpl;
 363 }
 364
 365 wxWindow *wxPrinter::CreateAbortWindow(wxWindow *parent, wxPrintout *printout)
 366 {
 367     return m_pimpl->CreateAbortWindow( parent, printout );
 368 }
 369
 370 void wxPrinter::ReportError(wxWindow *parent, wxPrintout *printout, const wxString& message)
 371 {
 372     m_pimpl->ReportError( parent, printout, message );
 373 }
 374
 375 bool wxPrinter::Setup(wxWindow *parent)
 376 {
 377     return m_pimpl->Setup( parent );
 378 }
 379
 380 bool wxPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 381 {
 382     return m_pimpl->Print( parent, printout, prompt );
 383 }
 384
 385 wxDC* wxPrinter::PrintDialog(wxWindow *parent)
 386 {
 387     return m_pimpl->PrintDialog( parent );
 388 }
 389
 390 wxPrintDialogData& wxPrinter::GetPrintDialogData() const
 391 {
 392     return m_pimpl->GetPrintDialogData();
 393 }
 394
 395 // ---------------------------------------------------------------------------
 396 // wxPrintDialogBase: the dialog for printing.
 397 // ---------------------------------------------------------------------------
 398
 399 IMPLEMENT_ABSTRACT_CLASS(wxPrintDialogBase, wxDialog)
 400
 401 wxPrintDialogBase::wxPrintDialogBase(wxWindow *parent,
 402                                      wxWindowID id,
 403                                      const wxString &title,
 404                                      const wxPoint &pos,
 405                                      const wxSize &size,
 406                                      long style)
 407     : wxDialog( parent, id, title.empty() ? wxString(_("Print")) : title,
 408                 pos, size, style )
 409 {
 410 }
 411
 412 // ---------------------------------------------------------------------------
 413 // wxPrintDialog: the dialog for printing
 414 // ---------------------------------------------------------------------------
 415
 416 IMPLEMENT_CLASS(wxPrintDialog, wxObject)
 417
 418 wxPrintDialog::wxPrintDialog(wxWindow *parent, wxPrintDialogData* data)
 419 {
 420     m_pimpl = wxPrintFactory::GetFactory()->CreatePrintDialog( parent, data );
 421 }
 422
 423 wxPrintDialog::wxPrintDialog(wxWindow *parent, wxPrintData* data)
 424 {
 425     m_pimpl = wxPrintFactory::GetFactory()->CreatePrintDialog( parent, data );
 426 }
 427
 428 wxPrintDialog::~wxPrintDialog()
 429 {
 430     delete m_pimpl;
 431 }
 432
 433 int wxPrintDialog::ShowModal()
 434 {
 435     return m_pimpl->ShowModal();
 436 }
 437
 438 wxPrintDialogData& wxPrintDialog::GetPrintDialogData()
 439 {
 440     return m_pimpl->GetPrintDialogData();
 441 }
 442
 443 wxPrintData& wxPrintDialog::GetPrintData()
 444 {
 445     return m_pimpl->GetPrintData();
 446 }
 447
 448 wxDC *wxPrintDialog::GetPrintDC()
 449 {
 450     return m_pimpl->GetPrintDC();
 451 }
 452
 453 // ---------------------------------------------------------------------------
 454 // wxPageSetupDialogBase: the page setup dialog
 455 // ---------------------------------------------------------------------------
 456
 457 IMPLEMENT_ABSTRACT_CLASS(wxPageSetupDialogBase, wxDialog)
 458
 459 wxPageSetupDialogBase::wxPageSetupDialogBase(wxWindow *parent,
 460                                      wxWindowID id,
 461                                      const wxString &title,
 462                                      const wxPoint &pos,
 463                                      const wxSize &size,
 464                                      long style)
 465     : wxDialog( parent, id, title.empty() ? wxString(_("Page setup")) : title,
 466                 pos, size, style )
 467 {
 468 }
 469
 470 // ---------------------------------------------------------------------------
 471 // wxPageSetupDialog: the page setup dialog
 472 // ---------------------------------------------------------------------------
 473
 474 IMPLEMENT_CLASS(wxPageSetupDialog, wxObject)
 475
 476 wxPageSetupDialog::wxPageSetupDialog(wxWindow *parent, wxPageSetupDialogData *data )
 477 {
 478     m_pimpl = wxPrintFactory::GetFactory()->CreatePageSetupDialog( parent, data );
 479 }
 480
 481 wxPageSetupDialog::~wxPageSetupDialog()
 482 {
 483     delete m_pimpl;
 484 }
 485
 486 int wxPageSetupDialog::ShowModal()
 487 {
 488     return m_pimpl->ShowModal();
 489 }
 490
 491 wxPageSetupDialogData& wxPageSetupDialog::GetPageSetupDialogData()
 492 {
 493     return m_pimpl->GetPageSetupDialogData();
 494 }
 495
 496 // old name
 497 wxPageSetupDialogData& wxPageSetupDialog::GetPageSetupData()
 498 {
 499     return m_pimpl->GetPageSetupDialogData();
 500 }
 501
 502 //----------------------------------------------------------------------------
 503 // wxPrintAbortDialog
 504 //----------------------------------------------------------------------------
 505
 506 BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
 507     EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
 508 END_EVENT_TABLE()
 509
 510 void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
 511 {
 512     wxPrinterBase::sm_abortIt = true;
 513     wxPrinterBase::sm_abortWindow->Show(false);
 514     wxPrinterBase::sm_abortWindow->Close(true);
 515     wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
 516 }
 517
 518 //----------------------------------------------------------------------------
 519 // wxPrintout
 520 //----------------------------------------------------------------------------
 521
 522 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
 523
 524 wxPrintout::wxPrintout(const wxString& title)
 525 {
 526     m_printoutTitle = title ;
 527     m_printoutDC = (wxDC *) NULL;
 528     m_pageWidthMM = 0;
 529     m_pageHeightMM = 0;
 530     m_pageWidthPixels = 0;
 531     m_pageHeightPixels = 0;
 532     m_PPIScreenX = 0;
 533     m_PPIScreenY = 0;
 534     m_PPIPrinterX = 0;
 535     m_PPIPrinterY = 0;
 536     m_isPreview = false;
 537 }
 538
 539 wxPrintout::~wxPrintout()
 540 {
 541 }
 542
 543 bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
 544 {
 545     return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);
 546 }
 547
 548 void wxPrintout::OnEndDocument()
 549 {
 550     GetDC()->EndDoc();
 551 }
 552
 553 void wxPrintout::OnBeginPrinting()
 554 {
 555 }
 556
 557 void wxPrintout::OnEndPrinting()
 558 {
 559 }
 560
 561 bool wxPrintout::HasPage(int page)
 562 {
 563     return (page == 1);
 564 }
 565
 566 void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
 567 {
 568     *minPage = 1;
 569     *maxPage = 32000;
 570     *fromPage = 1;
 571     *toPage = 1;
 572 }
 573
 574 void wxPrintout::FitThisSizeToPaper(const wxSize& imageSize)
 575 {
 576     // Set the DC scale and origin so that the given image size fits within the
 577     // entire page and the origin is at the top left corner of the page. Note
 578     // that with most printers, portions of the page will be non-printable. Use
 579     // this if you're managing your own page margins.
 580     if (!m_printoutDC) return;
 581     wxRect paperRect = GetPaperRectPixels();
 582     wxCoord pw, ph;
 583     GetPageSizePixels(&pw, &ph);
 584     wxCoord w, h;
 585     m_printoutDC->GetSize(&w, &h);
 586     float scaleX = ((float(paperRect.width) * w) / (float(pw) * imageSize.x));
 587     float scaleY = ((float(paperRect.height) * h) / (float(ph) * imageSize.y));
 588     float actualScale = wxMin(scaleX, scaleY);
 589     m_printoutDC->SetUserScale(actualScale, actualScale);
 590     m_printoutDC->SetDeviceOrigin(0, 0);
 591     wxRect logicalPaperRect = GetLogicalPaperRect();
 592     SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
 593 }
 594
 595 void wxPrintout::FitThisSizeToPage(const wxSize& imageSize)
 596 {
 597     // Set the DC scale and origin so that the given image size fits within the
 598     // printable area of the page and the origin is at the top left corner of
 599     // the printable area.
 600     if (!m_printoutDC) return;
 601     int w, h;
 602     m_printoutDC->GetSize(&w, &h);
 603     float scaleX = float(w) / imageSize.x;
 604     float scaleY = float(h) / imageSize.y;
 605     float actualScale = wxMin(scaleX, scaleY);
 606     m_printoutDC->SetUserScale(actualScale, actualScale);
 607     m_printoutDC->SetDeviceOrigin(0, 0);
 608 }
 609
 610 void wxPrintout::FitThisSizeToPageMargins(const wxSize& imageSize, const wxPageSetupDialogData& pageSetupData)
 611 {
 612     // Set the DC scale and origin so that the given image size fits within the
 613     // page margins defined in the given wxPageSetupDialogData object and the
 614     // origin is at the top left corner of the page margins.
 615     if (!m_printoutDC) return;
 616     wxRect paperRect = GetPaperRectPixels();
 617     wxCoord pw, ph;
 618     GetPageSizePixels(&pw, &ph);
 619     wxPoint topLeft = pageSetupData.GetMarginTopLeft();
 620     wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
 621     wxCoord mw, mh;
 622     GetPageSizeMM(&mw, &mh);
 623     float mmToDeviceX = float(pw) / mw;
 624     float mmToDeviceY = float(ph) / mh;
 625     wxRect pageMarginsRect(paperRect.x + wxRound(mmToDeviceX * topLeft.x),
 626         paperRect.y + wxRound(mmToDeviceY * topLeft.y),
 627         paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
 628         paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
 629     wxCoord w, h;
 630     m_printoutDC->GetSize(&w, &h);
 631     float scaleX = (float(pageMarginsRect.width) * w) / (float(pw) * imageSize.x);
 632     float scaleY = (float(pageMarginsRect.height) * h) / (float(ph) * imageSize.y);
 633     float actualScale = wxMin(scaleX, scaleY);
 634     m_printoutDC->SetUserScale(actualScale, actualScale);
 635     m_printoutDC->SetDeviceOrigin(0, 0);
 636     wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
 637     SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
 638 }
 639
 640 void wxPrintout::MapScreenSizeToPaper()
 641 {
 642     // Set the DC scale so that an image on the screen is the same size on the
 643     // paper and the origin is at the top left of the paper. Note that with most
 644     // printers, portions of the page will be cut off. Use this if you're
 645     // managing your own page margins.
 646     if (!m_printoutDC) return;
 647     MapScreenSizeToPage();
 648     wxRect logicalPaperRect = GetLogicalPaperRect();
 649     SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
 650 }
 651
 652 void wxPrintout::MapScreenSizeToPage()
 653 {
 654     // Set the DC scale and origin so that an image on the screen is the same
 655     // size on the paper and the origin is at the top left of the printable area.
 656     if (!m_printoutDC) return;
 657     int ppiScreenX, ppiScreenY;
 658     GetPPIScreen(&ppiScreenX, &ppiScreenY);
 659     int ppiPrinterX, ppiPrinterY;
 660     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
 661     int w, h;
 662     m_printoutDC->GetSize(&w, &h);
 663     int pageSizePixelsX, pageSizePixelsY;
 664     GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
 665     float userScaleX = (float(ppiPrinterX) * w) / (float(ppiScreenX) * pageSizePixelsX);
 666     float userScaleY = (float(ppiPrinterY) * h) / (float(ppiScreenY) * pageSizePixelsY);
 667     m_printoutDC->SetUserScale(userScaleX, userScaleY);
 668     m_printoutDC->SetDeviceOrigin(0, 0);
 669 }
 670
 671 void wxPrintout::MapScreenSizeToPageMargins(const wxPageSetupDialogData& pageSetupData)
 672 {
 673     // Set the DC scale so that an image on the screen is the same size on the
 674     // paper and the origin is at the top left of the page margins defined by
 675     // the given wxPageSetupDialogData object.
 676     if (!m_printoutDC) return;
 677     MapScreenSizeToPage();
 678     wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
 679     SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
 680 }
 681
 682 void wxPrintout::MapScreenSizeToDevice()
 683 {
 684     // Set the DC scale so that a screen pixel is the same size as a device
 685     // pixel and the origin is at the top left of the printable area.
 686     if (!m_printoutDC) return;
 687     int w, h;
 688     m_printoutDC->GetSize(&w, &h);
 689     int pageSizePixelsX, pageSizePixelsY;
 690     GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
 691     float userScaleX = float(w) / pageSizePixelsX;
 692     float userScaleY = float(h) / pageSizePixelsY;
 693     m_printoutDC->SetUserScale(userScaleX, userScaleY);
 694     m_printoutDC->SetDeviceOrigin(0, 0);
 695 }
 696
 697 wxRect wxPrintout::GetLogicalPaperRect() const
 698 {
 699     // Return the rectangle in logical units that corresponds to the paper
 700     // rectangle.
 701     wxRect paperRect = GetPaperRectPixels();
 702     wxCoord pw, ph;
 703     GetPageSizePixels(&pw, &ph);
 704     wxCoord w, h;
 705     m_printoutDC->GetSize(&w, &h);
 706     if (w == pw && h == ph) {
 707         // this DC matches the printed page, so no scaling
 708         return wxRect(m_printoutDC->DeviceToLogicalX(paperRect.x),
 709             m_printoutDC->DeviceToLogicalY(paperRect.y),
 710             m_printoutDC->DeviceToLogicalXRel(paperRect.width),
 711             m_printoutDC->DeviceToLogicalYRel(paperRect.height));
 712     }
 713     // This DC doesn't match the printed page, so we have to scale.
 714     float scaleX = float(w) / pw;
 715     float scaleY = float(h) / ph;
 716     return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(paperRect.x * scaleX)),
 717         m_printoutDC->DeviceToLogicalY(wxRound(paperRect.y * scaleY)),
 718         m_printoutDC->DeviceToLogicalXRel(wxRound(paperRect.width * scaleX)),
 719         m_printoutDC->DeviceToLogicalYRel(wxRound(paperRect.height * scaleY)));
 720 }
 721
 722 wxRect wxPrintout::GetLogicalPageRect() const
 723 {
 724     // Return the rectangle in logical units that corresponds to the printable
 725     // area.
 726     int w, h;
 727     m_printoutDC->GetSize(&w, &h);
 728     return wxRect(m_printoutDC->DeviceToLogicalX(0),
 729         m_printoutDC->DeviceToLogicalY(0),
 730         m_printoutDC->DeviceToLogicalXRel(w),
 731         m_printoutDC->DeviceToLogicalYRel(h));
 732 }
 733
 734 wxRect wxPrintout::GetLogicalPageMarginsRect(const wxPageSetupDialogData& pageSetupData) const
 735 {
 736     // Return the rectangle in logical units that corresponds to the region
 737     // within the page margins as specified by the given wxPageSetupDialogData
 738     // object.
 739
 740     // We get the paper size in device units and the margins in mm,
 741     // so we need to calculate the conversion with this trick
 742     wxCoord pw, ph;
 743     GetPageSizePixels(&pw, &ph);
 744     wxCoord mw, mh;
 745     GetPageSizeMM(&mw, &mh);
 746     float mmToDeviceX = float(pw) / mw;
 747     float mmToDeviceY = float(ph) / mh;
 748
 749     // paper size in device units
 750     wxRect paperRect = GetPaperRectPixels();
 751
 752     // margins in mm
 753     wxPoint topLeft = pageSetupData.GetMarginTopLeft();
 754     wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
 755
 756     // calculate margins in device units
 757     wxRect pageMarginsRect(
 758         paperRect.x      + wxRound(mmToDeviceX * topLeft.x),
 759         paperRect.y      + wxRound(mmToDeviceY * topLeft.y),
 760         paperRect.width  - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
 761         paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
 762
 763     wxCoord w, h;
 764     m_printoutDC->GetSize(&w, &h);
 765     if (w == pw && h == ph)
 766     {
 767         // this DC matches the printed page, so no scaling
 768         return wxRect(
 769             m_printoutDC->DeviceToLogicalX(pageMarginsRect.x),
 770             m_printoutDC->DeviceToLogicalY(pageMarginsRect.y),
 771             m_printoutDC->DeviceToLogicalXRel(pageMarginsRect.width),
 772             m_printoutDC->DeviceToLogicalYRel(pageMarginsRect.height));
 773     }
 774
 775     // This DC doesn't match the printed page, so we have to scale.
 776     float scaleX = float(w) / pw;
 777     float scaleY = float(h) / ph;
 778     return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(pageMarginsRect.x * scaleX)),
 779         m_printoutDC->DeviceToLogicalY(wxRound(pageMarginsRect.y * scaleY)),
 780         m_printoutDC->DeviceToLogicalXRel(wxRound(pageMarginsRect.width * scaleX)),
 781         m_printoutDC->DeviceToLogicalYRel(wxRound(pageMarginsRect.height * scaleY)));
 782 }
 783
 784 void wxPrintout::SetLogicalOrigin(wxCoord x, wxCoord y)
 785 {
 786     // Set the device origin by specifying a point in logical coordinates.
 787     m_printoutDC->SetDeviceOrigin(
 788         m_printoutDC->LogicalToDeviceX(x),
 789         m_printoutDC->LogicalToDeviceY(y) );
 790 }
 791
 792 void wxPrintout::OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff)
 793 {
 794     // Offset the device origin by a specified distance in device coordinates.
 795     wxPoint dev_org = m_printoutDC->GetDeviceOrigin();
 796     m_printoutDC->SetDeviceOrigin(
 797         dev_org.x + m_printoutDC->LogicalToDeviceXRel(xoff),
 798         dev_org.y + m_printoutDC->LogicalToDeviceYRel(yoff) );
 799 }
 800
 801
 802 //----------------------------------------------------------------------------
 803 // wxPreviewCanvas
 804 //----------------------------------------------------------------------------
 805
 806 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
 807
 808 BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
 809     EVT_PAINT(wxPreviewCanvas::OnPaint)
 810     EVT_CHAR(wxPreviewCanvas::OnChar)
 811     EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
 812 #if wxUSE_MOUSEWHEEL
 813     EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel)
 814 #endif
 815 END_EVENT_TABLE()
 816
 817 // VZ: the current code doesn't refresh properly without
 818 //     wxFULL_REPAINT_ON_RESIZE, this must be fixed as otherwise we have
 819 //     really horrible flicker when resizing the preview frame, but without
 820 //     this style it simply doesn't work correctly at all...
 821 wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
 822                                  const wxPoint& pos, const wxSize& size, long style, const wxString& name):
 823 wxScrolledWindow(parent, wxID_ANY, pos, size, style | wxFULL_REPAINT_ON_RESIZE, name)
 824 {
 825     m_printPreview = preview;
 826 #ifdef __WXMAC__
 827     // The app workspace colour is always white, but we should have
 828     // a contrast with the page.
 829     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 830 #elif defined(__WXGTK__)
 831     wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
 832 #else
 833     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
 834 #endif
 835     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
 836
 837     SetScrollbars(10, 10, 100, 100);
 838 }
 839
 840 wxPreviewCanvas::~wxPreviewCanvas()
 841 {
 842 }
 843
 844 void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
 845 {
 846     wxPaintDC dc(this);
 847     PrepareDC( dc );
 848
 849 /*
 850 #ifdef __WXGTK__
 851     if (!GetUpdateRegion().IsEmpty())
 852         dc.SetClippingRegion( GetUpdateRegion() );
 853 #endif
 854 */
 855
 856     if (m_printPreview)
 857     {
 858         m_printPreview->PaintPage(this, dc);
 859     }
 860 }
 861
 862 // Responds to colour changes, and passes event on to children.
 863 void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
 864 {
 865 #ifdef __WXMAC__
 866     // The app workspace colour is always white, but we should have
 867     // a contrast with the page.
 868     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 869 #elif defined(__WXGTK__)
 870     wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
 871 #else
 872     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
 873 #endif
 874     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
 875     Refresh();
 876
 877     // Propagate the event to the non-top-level children
 878     wxWindow::OnSysColourChanged(event);
 879 }
 880
 881 void wxPreviewCanvas::OnChar(wxKeyEvent &event)
 882 {
 883     wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
 884     switch (event.GetKeyCode())
 885     {
 886         case WXK_TAB:
 887             controlBar->OnGoto();
 888             return;
 889         case WXK_RETURN:
 890             controlBar->OnPrint();
 891             return;
 892     }
 893
 894     if (!event.ControlDown())
 895     {
 896         event.Skip();
 897         return;
 898     }
 899
 900     switch(event.GetKeyCode())
 901     {
 902         case WXK_PAGEDOWN:
 903             controlBar->OnNext(); break;
 904         case WXK_PAGEUP:
 905             controlBar->OnPrevious(); break;
 906         case WXK_HOME:
 907             controlBar->OnFirst(); break;
 908         case WXK_END:
 909             controlBar->OnLast(); break;
 910         default:
 911             event.Skip();
 912     }
 913 }
 914
 915 #if wxUSE_MOUSEWHEEL
 916
 917 void wxPreviewCanvas::OnMouseWheel(wxMouseEvent& event)
 918 {
 919     wxPreviewControlBar *
 920         controlBar = wxStaticCast(GetParent(), wxPreviewFrame)->GetControlBar();
 921
 922     if ( controlBar )
 923     {
 924         if ( event.ControlDown() && event.GetWheelRotation() != 0 )
 925         {
 926             int currentZoom = controlBar->GetZoomControl();
 927
 928             int delta;
 929             if ( currentZoom < 100 )
 930                 delta = 5;
 931             else if ( currentZoom <= 120 )
 932                 delta = 10;
 933             else
 934                 delta = 50;
 935
 936             if ( event.GetWheelRotation() > 0 )
 937                 delta = -delta;
 938
 939             int newZoom = currentZoom + delta;
 940             if ( newZoom < 10 )
 941                 newZoom = 10;
 942             if ( newZoom > 200 )
 943                 newZoom = 200;
 944             if ( newZoom != currentZoom )
 945             {
 946                 controlBar->SetZoomControl(newZoom);
 947                 m_printPreview->SetZoom(newZoom);
 948                 Refresh();
 949             }
 950             return;
 951         }
 952     }
 953
 954     event.Skip();
 955 }
 956
 957 #endif // wxUSE_MOUSEWHEEL
 958
 959 //----------------------------------------------------------------------------
 960 // wxPreviewControlBar
 961 //----------------------------------------------------------------------------
 962
 963 IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
 964
 965 BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
 966     EVT_BUTTON(wxID_PREVIEW_CLOSE,    wxPreviewControlBar::OnWindowClose)
 967     EVT_BUTTON(wxID_PREVIEW_PRINT,    wxPreviewControlBar::OnPrintButton)
 968     EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
 969     EVT_BUTTON(wxID_PREVIEW_NEXT,     wxPreviewControlBar::OnNextButton)
 970     EVT_BUTTON(wxID_PREVIEW_FIRST,    wxPreviewControlBar::OnFirstButton)
 971     EVT_BUTTON(wxID_PREVIEW_LAST,     wxPreviewControlBar::OnLastButton)
 972     EVT_BUTTON(wxID_PREVIEW_GOTO,     wxPreviewControlBar::OnGotoButton)
 973     EVT_CHOICE(wxID_PREVIEW_ZOOM,     wxPreviewControlBar::OnZoom)
 974     EVT_PAINT(wxPreviewControlBar::OnPaint)
 975 END_EVENT_TABLE()
 976
 977 wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
 978                                          wxWindow *parent, const wxPoint& pos, const wxSize& size,
 979                                          long style, const wxString& name):
 980 wxPanel(parent, wxID_ANY, pos, size, style, name)
 981 {
 982     m_printPreview = preview;
 983     m_closeButton = (wxButton *) NULL;
 984     m_nextPageButton = (wxButton *) NULL;
 985     m_previousPageButton = (wxButton *) NULL;
 986     m_printButton = (wxButton *) NULL;
 987     m_zoomControl = (wxChoice *) NULL;
 988     m_buttonFlags = buttons;
 989 }
 990
 991 wxPreviewControlBar::~wxPreviewControlBar()
 992 {
 993 }
 994
 995 void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
 996 {
 997     wxPaintDC dc(this);
 998
 999     int w, h;
1000     GetSize(&w, &h);
1001     dc.SetPen(*wxBLACK_PEN);
1002     dc.SetBrush(*wxTRANSPARENT_BRUSH);
1003     dc.DrawLine( 0, h-1, w, h-1 );
1004 }
1005
1006 void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
1007 {
1008     wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
1009     frame->Close(true);
1010 }
1011
1012 void wxPreviewControlBar::OnPrint(void)
1013 {
1014     wxPrintPreviewBase *preview = GetPrintPreview();
1015     preview->Print(true);
1016 }
1017
1018 void wxPreviewControlBar::OnNext(void)
1019 {
1020     wxPrintPreviewBase *preview = GetPrintPreview();
1021     if (preview)
1022     {
1023         int currentPage = preview->GetCurrentPage();
1024         if ((preview->GetMaxPage() > 0) &&
1025             (currentPage < preview->GetMaxPage()) &&
1026             preview->GetPrintout()->HasPage(currentPage + 1))
1027         {
1028             preview->SetCurrentPage(currentPage + 1);
1029         }
1030     }
1031 }
1032
1033 void wxPreviewControlBar::OnPrevious(void)
1034 {
1035     wxPrintPreviewBase *preview = GetPrintPreview();
1036     if (preview)
1037     {
1038         int currentPage = preview->GetCurrentPage();
1039         if ((preview->GetMinPage() > 0) &&
1040             (currentPage > preview->GetMinPage()) &&
1041             preview->GetPrintout()->HasPage(currentPage - 1))
1042         {
1043             preview->SetCurrentPage(currentPage - 1);
1044         }
1045     }
1046 }
1047
1048 void wxPreviewControlBar::OnFirst(void)
1049 {
1050     wxPrintPreviewBase *preview = GetPrintPreview();
1051     if (preview)
1052     {
1053         int currentPage = preview->GetMinPage();
1054         if (preview->GetPrintout()->HasPage(currentPage))
1055         {
1056             preview->SetCurrentPage(currentPage);
1057         }
1058     }
1059 }
1060
1061 void wxPreviewControlBar::OnLast(void)
1062 {
1063     wxPrintPreviewBase *preview = GetPrintPreview();
1064     if (preview)
1065     {
1066         int currentPage = preview->GetMaxPage();
1067         if (preview->GetPrintout()->HasPage(currentPage))
1068         {
1069             preview->SetCurrentPage(currentPage);
1070         }
1071     }
1072 }
1073
1074 void wxPreviewControlBar::OnGoto(void)
1075 {
1076     wxPrintPreviewBase *preview = GetPrintPreview();
1077     if (preview)
1078     {
1079         long currentPage;
1080
1081         if (preview->GetMinPage() > 0)
1082         {
1083             wxString strPrompt;
1084             wxString strPage;
1085
1086             strPrompt.Printf( _("Enter a page number between %d and %d:"),
1087                 preview->GetMinPage(), preview->GetMaxPage());
1088             strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
1089
1090             strPage =
1091                 wxGetTextFromUser( strPrompt, _("Goto Page"), strPage, GetParent());
1092
1093             if ( strPage.ToLong( &currentPage ) )
1094                 if (preview->GetPrintout()->HasPage(currentPage))
1095                 {
1096                     preview->SetCurrentPage(currentPage);
1097                 }
1098         }
1099     }
1100 }
1101
1102 void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
1103 {
1104     int zoom = GetZoomControl();
1105     if (GetPrintPreview())
1106         GetPrintPreview()->SetZoom(zoom);
1107 }
1108
1109 void wxPreviewControlBar::CreateButtons()
1110 {
1111     SetSize(0, 0, 400, 40);
1112
1113     wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
1114
1115     m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
1116     item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1117
1118     if (m_buttonFlags & wxPREVIEW_PRINT)
1119     {
1120         m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
1121         item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1122     }
1123
1124     // Exact-fit buttons are too tiny on wxUniversal
1125     int navButtonStyle;
1126     wxSize navButtonSize;
1127 #ifdef __WXUNIVERSAL__
1128     navButtonStyle = 0;
1129     navButtonSize = wxSize(40, m_closeButton->GetSize().y);
1130 #else
1131     navButtonStyle = wxBU_EXACTFIT;
1132     navButtonSize = wxDefaultSize;
1133 #endif
1134
1135     if (m_buttonFlags & wxPREVIEW_FIRST)
1136     {
1137         m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
1138         item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1139     }
1140
1141     if (m_buttonFlags & wxPREVIEW_PREVIOUS)
1142     {
1143         m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
1144         item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1145     }
1146
1147     if (m_buttonFlags & wxPREVIEW_NEXT)
1148     {
1149         m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, navButtonSize, navButtonStyle );
1150         item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1151     }
1152
1153     if (m_buttonFlags & wxPREVIEW_LAST)
1154     {
1155         m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, navButtonSize, navButtonStyle );
1156         item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1157     }
1158
1159     if (m_buttonFlags & wxPREVIEW_GOTO)
1160     {
1161         m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
1162         item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1163     }
1164
1165     if (m_buttonFlags & wxPREVIEW_ZOOM)
1166     {
1167         wxString choices[] =
1168         {
1169             wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
1170                 wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
1171                 wxT("120%"), wxT("150%"), wxT("200%")
1172         };
1173         int n = WXSIZEOF(choices);
1174
1175         m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,wxDefaultCoord), n, choices, 0 );
1176         item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
1177         SetZoomControl(m_printPreview->GetZoom());
1178     }
1179
1180     SetSizer(item0);
1181     item0->Fit(this);
1182 }
1183
1184 void wxPreviewControlBar::SetZoomControl(int zoom)
1185 {
1186     if (m_zoomControl)
1187     {
1188         int n, count = m_zoomControl->GetCount();
1189         long val;
1190         for (n=0; n<count; n++)
1191         {
1192             if (m_zoomControl->GetString(n).BeforeFirst(wxT('%')).ToLong(&val) &&
1193                 (val >= long(zoom)))
1194             {
1195                 m_zoomControl->SetSelection(n);
1196                 return;
1197             }
1198         }
1199
1200         m_zoomControl->SetSelection(count-1);
1201     }
1202 }
1203
1204 int wxPreviewControlBar::GetZoomControl()
1205 {
1206     if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxEmptyString))
1207     {
1208         long val;
1209         if (m_zoomControl->GetStringSelection().BeforeFirst(wxT('%')).ToLong(&val))
1210             return int(val);
1211     }
1212
1213     return 0;
1214 }
1215
1216
1217 /*
1218 * Preview frame
1219 */
1220
1221 IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
1222
1223 BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
1224     EVT_CHAR_HOOK(wxPreviewFrame::OnChar)
1225     EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
1226 END_EVENT_TABLE()
1227
1228 void wxPreviewFrame::OnChar(wxKeyEvent &event)
1229 {
1230     if ( event.GetKeyCode() == WXK_ESCAPE )
1231     {
1232         Close(true);
1233     }
1234     else
1235     {
1236         event.Skip();
1237     }
1238 }
1239
1240 wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
1241                                const wxPoint& pos, const wxSize& size, long style, const wxString& name):
1242 wxFrame(parent, wxID_ANY, title, pos, size, style, name)
1243 {
1244     m_printPreview = preview;
1245     m_controlBar = NULL;
1246     m_previewCanvas = NULL;
1247     m_windowDisabler = NULL;
1248
1249     // Give the application icon
1250 #ifdef __WXMSW__
1251     wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
1252     if (topFrame)
1253         SetIcon(topFrame->GetIcon());
1254 #endif
1255 }
1256
1257 wxPreviewFrame::~wxPreviewFrame()
1258 {
1259 }
1260
1261 void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
1262 {
1263     if (m_windowDisabler)
1264         delete m_windowDisabler;
1265
1266     // Need to delete the printout and the print preview
1267     wxPrintout *printout = m_printPreview->GetPrintout();
1268     if (printout)
1269     {
1270         delete printout;
1271         m_printPreview->SetPrintout(NULL);
1272         m_printPreview->SetCanvas(NULL);
1273         m_printPreview->SetFrame(NULL);
1274     }
1275     delete m_printPreview;
1276
1277     Destroy();
1278 }
1279
1280 void wxPreviewFrame::Initialize()
1281 {
1282 #if wxUSE_STATUSBAR
1283     CreateStatusBar();
1284 #endif
1285     CreateCanvas();
1286     CreateControlBar();
1287
1288     m_printPreview->SetCanvas(m_previewCanvas);
1289     m_printPreview->SetFrame(this);
1290
1291     wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
1292
1293     item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1294     item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1295
1296     SetAutoLayout( true );
1297     SetSizer( item0 );
1298
1299     m_windowDisabler = new wxWindowDisabler(this);
1300
1301     Layout();
1302
1303     m_printPreview->AdjustScrollbars(m_previewCanvas);
1304     m_previewCanvas->SetFocus();
1305     m_controlBar->SetFocus();
1306 }
1307
1308 void wxPreviewFrame::CreateCanvas()
1309 {
1310     m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
1311 }
1312
1313 void wxPreviewFrame::CreateControlBar()
1314 {
1315     long buttons = wxPREVIEW_DEFAULT;
1316     if (m_printPreview->GetPrintoutForPrinting())
1317         buttons |= wxPREVIEW_PRINT;
1318
1319     m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0,0), wxSize(400, 40));
1320     m_controlBar->CreateButtons();
1321 }
1322
1323 /*
1324 * Print preview
1325 */
1326
1327 IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
1328
1329 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1330                                        wxPrintout *printoutForPrinting,
1331                                        wxPrintData *data)
1332 {
1333     if (data)
1334         m_printDialogData = (*data);
1335
1336     Init(printout, printoutForPrinting);
1337 }
1338
1339 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1340                                        wxPrintout *printoutForPrinting,
1341                                        wxPrintDialogData *data)
1342 {
1343     if (data)
1344         m_printDialogData = (*data);
1345
1346     Init(printout, printoutForPrinting);
1347 }
1348
1349 void wxPrintPreviewBase::Init(wxPrintout *printout,
1350                               wxPrintout *printoutForPrinting)
1351 {
1352     m_isOk = true;
1353     m_previewPrintout = printout;
1354     if (m_previewPrintout)
1355         m_previewPrintout->SetIsPreview(true);
1356
1357     m_printPrintout = printoutForPrinting;
1358
1359     m_previewCanvas = NULL;
1360     m_previewFrame = NULL;
1361     m_previewBitmap = NULL;
1362     m_currentPage = 1;
1363     m_currentZoom = 70;
1364     m_topMargin = 40;
1365     m_leftMargin = 40;
1366     m_pageWidth = 0;
1367     m_pageHeight = 0;
1368     m_printingPrepared = false;
1369     m_minPage = 1;
1370     m_maxPage = 1;
1371 }
1372
1373 wxPrintPreviewBase::~wxPrintPreviewBase()
1374 {
1375     if (m_previewPrintout)
1376         delete m_previewPrintout;
1377     if (m_previewBitmap)
1378         delete m_previewBitmap;
1379     if (m_printPrintout)
1380         delete m_printPrintout;
1381 }
1382
1383 bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
1384 {
1385     if (m_currentPage == pageNum)
1386         return true;
1387
1388     m_currentPage = pageNum;
1389     if (m_previewBitmap)
1390     {
1391         delete m_previewBitmap;
1392         m_previewBitmap = NULL;
1393     }
1394
1395     if (m_previewCanvas)
1396     {
1397         AdjustScrollbars(m_previewCanvas);
1398
1399         if (!RenderPage(pageNum))
1400             return false;
1401         m_previewCanvas->Refresh();
1402         m_previewCanvas->SetFocus();
1403     }
1404     return true;
1405 }
1406
1407 int wxPrintPreviewBase::GetCurrentPage() const
1408     { return m_currentPage; }
1409 void wxPrintPreviewBase::SetPrintout(wxPrintout *printout)
1410     { m_previewPrintout = printout; }
1411 wxPrintout *wxPrintPreviewBase::GetPrintout() const
1412     { return m_previewPrintout; }
1413 wxPrintout *wxPrintPreviewBase::GetPrintoutForPrinting() const
1414     { return m_printPrintout; }
1415 void wxPrintPreviewBase::SetFrame(wxFrame *frame)
1416     { m_previewFrame = frame; }
1417 void wxPrintPreviewBase::SetCanvas(wxPreviewCanvas *canvas)
1418     { m_previewCanvas = canvas; }
1419 wxFrame *wxPrintPreviewBase::GetFrame() const
1420     { return m_previewFrame; }
1421 wxPreviewCanvas *wxPrintPreviewBase::GetCanvas() const
1422     { return m_previewCanvas; }
1423
1424 void wxPrintPreviewBase::CalcRects(wxPreviewCanvas *canvas, wxRect& pageRect, wxRect& paperRect)
1425 {
1426     // Calculate the rectangles for the printable area of the page and the
1427     // entire paper as they appear on the canvas on-screen.
1428     int canvasWidth, canvasHeight;
1429     canvas->GetSize(&canvasWidth, &canvasHeight);
1430
1431     float zoomScale = float(m_currentZoom) / 100;
1432     float screenPrintableWidth = zoomScale * m_pageWidth * m_previewScaleX;
1433     float screenPrintableHeight = zoomScale * m_pageHeight * m_previewScaleY;
1434
1435     wxRect devicePaperRect = m_previewPrintout->GetPaperRectPixels();
1436     wxCoord devicePrintableWidth, devicePrintableHeight;
1437     m_previewPrintout->GetPageSizePixels(&devicePrintableWidth, &devicePrintableHeight);
1438     float scaleX = screenPrintableWidth / devicePrintableWidth;
1439     float scaleY = screenPrintableHeight / devicePrintableHeight;
1440     paperRect.width = wxCoord(scaleX * devicePaperRect.width);
1441     paperRect.height = wxCoord(scaleY * devicePaperRect.height);
1442
1443     paperRect.x = wxCoord((canvasWidth - paperRect.width)/ 2.0);
1444     if (paperRect.x < m_leftMargin)
1445         paperRect.x = m_leftMargin;
1446     paperRect.y = wxCoord((canvasHeight - paperRect.height)/ 2.0);
1447     if (paperRect.y < m_topMargin)
1448         paperRect.y = m_topMargin;
1449
1450     pageRect.x = paperRect.x - wxCoord(scaleX * devicePaperRect.x);
1451     pageRect.y = paperRect.y - wxCoord(scaleY * devicePaperRect.y);
1452     pageRect.width = wxCoord(screenPrintableWidth);
1453     pageRect.height = wxCoord(screenPrintableHeight);
1454 }
1455
1456
1457 bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1458 {
1459     DrawBlankPage(canvas, dc);
1460
1461     if (!m_previewBitmap)
1462         if (!RenderPage(m_currentPage))
1463             return false;
1464     if (!m_previewBitmap)
1465         return false;
1466     if (!canvas)
1467         return false;
1468
1469     wxRect pageRect, paperRect;
1470     CalcRects(canvas, pageRect, paperRect);
1471     wxMemoryDC temp_dc;
1472     temp_dc.SelectObject(*m_previewBitmap);
1473
1474     dc.Blit(pageRect.x, pageRect.y,
1475         m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
1476
1477     temp_dc.SelectObject(wxNullBitmap);
1478     return true;
1479 }
1480
1481 // Adjusts the scrollbars for the current scale
1482 void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas)
1483 {
1484     if (!canvas)
1485         return ;
1486
1487     wxRect pageRect, paperRect;
1488     CalcRects(canvas, pageRect, paperRect);
1489      int totalWidth = paperRect.width + 2 * m_leftMargin;
1490     int totalHeight = paperRect.height + 2 * m_topMargin;
1491     int scrollUnitsX = totalWidth / 10;
1492     int scrollUnitsY = totalHeight / 10;
1493     wxSize virtualSize = canvas->GetVirtualSize();
1494     if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
1495         canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
1496 }
1497
1498 bool wxPrintPreviewBase::RenderPage(int pageNum)
1499 {
1500     wxBusyCursor busy;
1501
1502     if (!m_previewCanvas)
1503     {
1504         wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
1505         return false;
1506     }
1507
1508     wxRect pageRect, paperRect;
1509     CalcRects(m_previewCanvas, pageRect, paperRect);
1510
1511     if (!m_previewBitmap)
1512     {
1513         m_previewBitmap = new wxBitmap(pageRect.width, pageRect.height);
1514
1515         if (!m_previewBitmap || !m_previewBitmap->Ok())
1516         {
1517             if (m_previewBitmap) {
1518                 delete m_previewBitmap;
1519                 m_previewBitmap = NULL;
1520             }
1521             wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
1522             return false;
1523         }
1524     }
1525
1526     wxMemoryDC memoryDC;
1527     memoryDC.SelectObject(*m_previewBitmap);
1528
1529     memoryDC.Clear();
1530
1531     m_previewPrintout->SetDC(&memoryDC);
1532     m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1533
1534     // Need to delay OnPreparePrinting until here, so we have enough information.
1535     if (!m_printingPrepared)
1536     {
1537         m_previewPrintout->OnPreparePrinting();
1538         int selFrom, selTo;
1539         m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
1540         m_printingPrepared = true;
1541     }
1542
1543     m_previewPrintout->OnBeginPrinting();
1544
1545     if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
1546     {
1547         wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
1548
1549         memoryDC.SelectObject(wxNullBitmap);
1550
1551         delete m_previewBitmap;
1552         m_previewBitmap = NULL;
1553         return false;
1554     }
1555
1556     m_previewPrintout->OnPrintPage(pageNum);
1557     m_previewPrintout->OnEndDocument();
1558     m_previewPrintout->OnEndPrinting();
1559
1560     m_previewPrintout->SetDC(NULL);
1561
1562     memoryDC.SelectObject(wxNullBitmap);
1563
1564 #if wxUSE_STATUSBAR
1565     wxString status;
1566     if (m_maxPage != 0)
1567         status = wxString::Format(_("Page %d of %d"), pageNum, m_maxPage);
1568     else
1569         status = wxString::Format(_("Page %d"), pageNum);
1570
1571     if (m_previewFrame)
1572         m_previewFrame->SetStatusText(status);
1573 #endif
1574
1575     return true;
1576 }
1577
1578 bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1579 {
1580     wxRect pageRect, paperRect;
1581
1582     CalcRects(canvas, pageRect, paperRect);
1583
1584     // Draw shadow, allowing for 1-pixel border AROUND the actual paper
1585     wxCoord shadowOffset = 4;
1586
1587     dc.SetPen(*wxBLACK_PEN);
1588     dc.SetBrush(*wxBLACK_BRUSH);
1589     dc.DrawRectangle(paperRect.x + shadowOffset, paperRect.y + paperRect.height + 1,
1590         paperRect.width, shadowOffset);
1591
1592     dc.DrawRectangle(paperRect.x + paperRect.width, paperRect.y + shadowOffset,
1593         shadowOffset, paperRect.height);
1594
1595     // Draw blank page allowing for 1-pixel border AROUND the actual paper
1596     dc.SetPen(*wxBLACK_PEN);
1597     dc.SetBrush(*wxWHITE_BRUSH);
1598     dc.DrawRectangle(paperRect.x - 2, paperRect.y - 1,
1599         paperRect.width + 3, paperRect.height + 2);
1600
1601     return true;
1602 }
1603
1604 void wxPrintPreviewBase::SetZoom(int percent)
1605 {
1606     if (m_currentZoom == percent)
1607         return;
1608
1609     m_currentZoom = percent;
1610     if (m_previewBitmap)
1611     {
1612         delete m_previewBitmap;
1613         m_previewBitmap = NULL;
1614     }
1615
1616     if (m_previewCanvas)
1617     {
1618         AdjustScrollbars(m_previewCanvas);
1619         RenderPage(m_currentPage);
1620         ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
1621         m_previewCanvas->ClearBackground();
1622         m_previewCanvas->Refresh();
1623         m_previewCanvas->SetFocus();
1624     }
1625 }
1626
1627 wxPrintDialogData& wxPrintPreviewBase::GetPrintDialogData()
1628 {
1629     return m_printDialogData;
1630 }
1631
1632 int wxPrintPreviewBase::GetZoom() const
1633 { return m_currentZoom; }
1634 int wxPrintPreviewBase::GetMaxPage() const
1635 { return m_maxPage; }
1636 int wxPrintPreviewBase::GetMinPage() const
1637 { return m_minPage; }
1638 bool wxPrintPreviewBase::IsOk() const
1639 { return m_isOk; }
1640 void wxPrintPreviewBase::SetOk(bool ok)
1641 { m_isOk = ok; }
1642
1643 //----------------------------------------------------------------------------
1644 // wxPrintPreview
1645 //----------------------------------------------------------------------------
1646
1647 IMPLEMENT_CLASS(wxPrintPreview, wxPrintPreviewBase)
1648
1649 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1650                    wxPrintout *printoutForPrinting,
1651                    wxPrintDialogData *data) :
1652     wxPrintPreviewBase( printout, printoutForPrinting, data )
1653 {
1654     m_pimpl = wxPrintFactory::GetFactory()->
1655         CreatePrintPreview( printout, printoutForPrinting, data );
1656 }
1657
1658 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1659                    wxPrintout *printoutForPrinting,
1660                    wxPrintData *data ) :
1661     wxPrintPreviewBase( printout, printoutForPrinting, data )
1662 {
1663     m_pimpl = wxPrintFactory::GetFactory()->
1664         CreatePrintPreview( printout, printoutForPrinting, data );
1665 }
1666
1667 wxPrintPreview::~wxPrintPreview()
1668 {
1669     delete m_pimpl;
1670
1671     // don't delete twice
1672     m_printPrintout = NULL;
1673     m_previewPrintout = NULL;
1674     m_previewBitmap = NULL;
1675 }
1676
1677 bool wxPrintPreview::SetCurrentPage(int pageNum)
1678 {
1679     return m_pimpl->SetCurrentPage( pageNum );
1680 }
1681
1682 int wxPrintPreview::GetCurrentPage() const
1683 {
1684     return m_pimpl->GetCurrentPage();
1685 }
1686
1687 void wxPrintPreview::SetPrintout(wxPrintout *printout)
1688 {
1689     m_pimpl->SetPrintout( printout );
1690 }
1691
1692 wxPrintout *wxPrintPreview::GetPrintout() const
1693 {
1694     return m_pimpl->GetPrintout();
1695 }
1696
1697 wxPrintout *wxPrintPreview::GetPrintoutForPrinting() const
1698 {
1699     return m_pimpl->GetPrintoutForPrinting();
1700 }
1701
1702 void wxPrintPreview::SetFrame(wxFrame *frame)
1703 {
1704     m_pimpl->SetFrame( frame );
1705 }
1706
1707 void wxPrintPreview::SetCanvas(wxPreviewCanvas *canvas)
1708 {
1709     m_pimpl->SetCanvas( canvas );
1710 }
1711
1712 wxFrame *wxPrintPreview::GetFrame() const
1713 {
1714     return m_pimpl->GetFrame();
1715 }
1716
1717 wxPreviewCanvas *wxPrintPreview::GetCanvas() const
1718 {
1719     return m_pimpl->GetCanvas();
1720 }
1721
1722 bool wxPrintPreview::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1723 {
1724     return m_pimpl->PaintPage( canvas, dc );
1725 }
1726
1727 bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1728 {
1729     return m_pimpl->DrawBlankPage( canvas, dc );
1730 }
1731
1732 void wxPrintPreview::AdjustScrollbars(wxPreviewCanvas *canvas)
1733 {
1734     m_pimpl->AdjustScrollbars( canvas );
1735 }
1736
1737 bool wxPrintPreview::RenderPage(int pageNum)
1738 {
1739     return m_pimpl->RenderPage( pageNum );
1740 }
1741
1742 void wxPrintPreview::SetZoom(int percent)
1743 {
1744     m_pimpl->SetZoom( percent );
1745 }
1746
1747 int wxPrintPreview::GetZoom() const
1748 {
1749     return m_pimpl->GetZoom();
1750 }
1751
1752 wxPrintDialogData& wxPrintPreview::GetPrintDialogData()
1753 {
1754     return m_pimpl->GetPrintDialogData();
1755 }
1756
1757 int wxPrintPreview::GetMaxPage() const
1758 {
1759     return m_pimpl->GetMaxPage();
1760 }
1761
1762 int wxPrintPreview::GetMinPage() const
1763 {
1764     return m_pimpl->GetMinPage();
1765 }
1766
1767 bool wxPrintPreview::IsOk() const
1768 {
1769     return m_pimpl->Ok();
1770 }
1771
1772 void wxPrintPreview::SetOk(bool ok)
1773 {
1774     m_pimpl->SetOk( ok );
1775 }
1776
1777 bool wxPrintPreview::Print(bool interactive)
1778 {
1779     return m_pimpl->Print( interactive );
1780 }
1781
1782 void wxPrintPreview::DetermineScaling()
1783 {
1784     m_pimpl->DetermineScaling();
1785 }
1786
1787 #endif // wxUSE_PRINTING_ARCHITECTURE