src/richtext/richtextprint.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/richtext/richtextprint.cpp
   3 // Purpose:     Rich text printing classes
   4 // Author:      Julian Smart
   5 // Created:     2006-10-24
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_RICHTEXT && wxUSE_PRINTING_ARCHITECTURE && wxUSE_STREAMS
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/log.h"
  22     #include "wx/intl.h"
  23     #include "wx/dc.h"
  24     #include "wx/settings.h"
  25     #include "wx/msgdlg.h"
  26 #endif
  27
  28 #include "wx/datetime.h"
  29 #include "wx/print.h"
  30 #include "wx/printdlg.h"
  31 #include "wx/richtext/richtextprint.h"
  32 #include "wx/wfstream.h"
  33
  34 /*!
  35  * wxRichTextPrintout
  36  */
  37
  38 wxRichTextPrintout::wxRichTextPrintout(const wxString& title) : wxPrintout(title)
  39 {
  40     m_numPages = wxRICHTEXT_PRINT_MAX_PAGES;
  41
  42     SetMargins(); // to default values
  43 }
  44
  45 wxRichTextPrintout::~wxRichTextPrintout()
  46 {
  47 }
  48
  49 void wxRichTextPrintout::OnPreparePrinting()
  50 {
  51     wxBusyCursor wait;
  52
  53     m_numPages = 1;
  54
  55     m_pageBreaksStart.Clear();
  56     m_pageBreaksEnd.Clear();
  57     m_pageYOffsets.Clear();
  58
  59     int lastStartPos = 0;
  60
  61     wxRect rect, headerRect, footerRect;
  62
  63     /// Sets the DC scaling and returns important page rectangles
  64     CalculateScaling(GetDC(), rect, headerRect, footerRect);
  65
  66     if (GetRichTextBuffer())
  67     {
  68         GetRichTextBuffer()->Invalidate(wxRICHTEXT_ALL);
  69
  70         wxRichTextDrawingContext context(GetRichTextBuffer());
  71         GetRichTextBuffer()->Layout(*GetDC(), context, rect, rect, wxRICHTEXT_FIXED_WIDTH|wxRICHTEXT_VARIABLE_HEIGHT);
  72
  73         // Now calculate the page breaks
  74
  75         int yOffset = 0;
  76
  77         wxRichTextLine* lastLine = NULL;
  78
  79         wxRichTextObjectList::compatibility_iterator node = GetRichTextBuffer()->GetChildren().GetFirst();
  80         while (node)
  81         {
  82             // child is a paragraph
  83             wxRichTextParagraph* child = wxDynamicCast(node->GetData(), wxRichTextParagraph);
  84             wxASSERT (child != NULL);
  85             if (child)
  86             {
  87                 wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
  88                 while (node2)
  89                 {
  90                     wxRichTextLine* line = node2->GetData();
  91
  92                     int lineY = child->GetPosition().y + line->GetPosition().y - yOffset;
  93                     bool hasHardPageBreak = ((node2 == child->GetLines().GetFirst()) && child->GetAttributes().HasPageBreak());
  94
  95                     // Break the page if either we're going off the bottom, or this paragraph specifies
  96                     // an explicit page break
  97
  98                     if (((lineY + line->GetSize().y) > rect.GetBottom()) || hasHardPageBreak)
  99                     {
 100                         // Only if we're not at the start of the document, and
 101                         // even then, only if either it's a hard break or if the object
 102                         // can fit in a whole page (otherwise there's no point in making
 103                         // the rest of this page blank).
 104                         if (lastLine && (hasHardPageBreak || (line->GetSize().y <= rect.GetHeight())))
 105                         {
 106                             // New page starting at this line
 107                             int newY = rect.y;
 108
 109                             // We increase the offset by the difference between new and old positions
 110
 111                             int increaseOffsetBy = lineY - newY;
 112                             yOffset += increaseOffsetBy;
 113
 114                             m_pageBreaksStart.Add(lastStartPos);
 115                             m_pageBreaksEnd.Add(lastLine->GetAbsoluteRange().GetEnd());
 116                             m_pageYOffsets.Add(yOffset);
 117
 118                             lastStartPos = line->GetAbsoluteRange().GetStart();
 119                             m_numPages ++;
 120                         }
 121
 122                         lastLine = line;
 123
 124                         // Now create page breaks for the rest of the line, if it's larger than the page height
 125                         int contentLeft = line->GetSize().y - rect.GetHeight();
 126                         while (contentLeft >= 0)
 127                         {
 128                             yOffset += rect.GetHeight();
 129                             contentLeft -= rect.GetHeight();
 130
 131                             m_pageBreaksStart.Add(lastStartPos);
 132                             m_pageBreaksEnd.Add(lastLine->GetAbsoluteRange().GetEnd());
 133                             m_pageYOffsets.Add(yOffset);
 134
 135                             m_numPages ++;
 136                         }
 137                     }
 138
 139                     lastLine = line;
 140
 141                     node2 = node2->GetNext();
 142                 }
 143             }
 144
 145             node = node->GetNext();
 146         }
 147
 148         // Closing page break
 149         if (m_pageBreaksStart.GetCount() == 0 || (m_pageBreaksEnd[m_pageBreaksEnd.GetCount()-1] < (GetRichTextBuffer()->GetOwnRange().GetEnd()-1)))
 150         {
 151             m_pageBreaksStart.Add(lastStartPos);
 152             m_pageBreaksEnd.Add(GetRichTextBuffer()->GetOwnRange().GetEnd());
 153             m_pageYOffsets.Add(yOffset);
 154         }
 155     }
 156 }
 157
 158 bool wxRichTextPrintout::OnBeginDocument(int startPage, int endPage)
 159 {
 160     if (!wxPrintout::OnBeginDocument(startPage, endPage)) return false;
 161
 162     return true;
 163 }
 164
 165 bool wxRichTextPrintout::OnPrintPage(int page)
 166 {
 167     wxDC *dc = GetDC();
 168     if (dc)
 169     {
 170         if (HasPage(page))
 171             RenderPage(dc, page);
 172         return true;
 173     }
 174     else return false;
 175 }
 176
 177 void wxRichTextPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo)
 178 {
 179     *minPage = 1;
 180     *maxPage = m_numPages;
 181     *selPageFrom = 1;
 182     *selPageTo = m_numPages;
 183 }
 184
 185 bool wxRichTextPrintout::HasPage(int pageNum)
 186 {
 187     return pageNum > 0 && pageNum <= m_numPages;
 188 }
 189
 190 void wxRichTextPrintout::RenderPage(wxDC *dc, int page)
 191 {
 192     if (!GetRichTextBuffer())
 193         return;
 194
 195     wxBusyCursor wait;
 196
 197     wxRect textRect, headerRect, footerRect;
 198
 199     /// Sets the DC scaling and returns important page rectangles
 200     CalculateScaling(dc, textRect, headerRect, footerRect);
 201
 202     if (page > 1 || m_headerFooterData.GetShowOnFirstPage())
 203     {
 204         if (m_headerFooterData.GetFont().IsOk())
 205             dc->SetFont(m_headerFooterData.GetFont());
 206         else
 207             dc->SetFont(*wxNORMAL_FONT);
 208         if (m_headerFooterData.GetTextColour().IsOk())
 209             dc->SetTextForeground(m_headerFooterData.GetTextColour());
 210         else
 211             dc->SetTextForeground(*wxBLACK);
 212         dc->SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);
 213
 214         // Draw header, if any
 215         wxRichTextOddEvenPage oddEven = ((page % 2) == 1) ? wxRICHTEXT_PAGE_ODD : wxRICHTEXT_PAGE_EVEN;
 216
 217         wxString headerTextCentre = m_headerFooterData.GetHeaderText(oddEven, wxRICHTEXT_PAGE_CENTRE);
 218         wxString headerTextLeft = m_headerFooterData.GetHeaderText(oddEven, wxRICHTEXT_PAGE_LEFT);
 219         wxString headerTextRight = m_headerFooterData.GetHeaderText(oddEven, wxRICHTEXT_PAGE_RIGHT);
 220
 221         if (!headerTextLeft.IsEmpty())
 222         {
 223             SubstituteKeywords(headerTextLeft, GetTitle(), page, m_numPages);
 224
 225             //int tx, ty;
 226             //dc->GetTextExtent(headerTextLeft, & tx, & ty);
 227
 228             int x = headerRect.GetLeft();
 229             int y = headerRect.GetX();
 230             dc->DrawText(headerTextLeft, x, y);
 231         }
 232         if (!headerTextCentre.IsEmpty())
 233         {
 234             SubstituteKeywords(headerTextCentre, GetTitle(), page, m_numPages);
 235
 236             int tx, ty;
 237             dc->GetTextExtent(headerTextCentre, & tx, & ty);
 238
 239             int x = headerRect.GetWidth()/2 - tx/2 + headerRect.GetLeft();
 240             int y = headerRect.GetY();
 241             dc->DrawText(headerTextCentre, x, y);
 242         }
 243         if (!headerTextRight.IsEmpty())
 244         {
 245             SubstituteKeywords(headerTextRight, GetTitle(), page, m_numPages);
 246
 247             int tx, ty;
 248             dc->GetTextExtent(headerTextRight, & tx, & ty);
 249
 250             int x = headerRect.GetRight() - tx;
 251             int y = headerRect.GetY();
 252             dc->DrawText(headerTextRight, x, y);
 253         }
 254
 255         // Draw footer, if any
 256         wxString footerTextCentre = m_headerFooterData.GetFooterText(oddEven, wxRICHTEXT_PAGE_CENTRE);
 257         wxString footerTextLeft = m_headerFooterData.GetFooterText(oddEven, wxRICHTEXT_PAGE_LEFT);
 258         wxString footerTextRight = m_headerFooterData.GetFooterText(oddEven, wxRICHTEXT_PAGE_RIGHT);
 259
 260         if (!footerTextLeft.IsEmpty())
 261         {
 262             SubstituteKeywords(footerTextLeft, GetTitle(), page, m_numPages);
 263
 264             int tx, ty;
 265             dc->GetTextExtent(footerTextLeft, & tx, & ty);
 266
 267             int x = footerRect.GetLeft();
 268             int y = footerRect.GetBottom() - ty;
 269             dc->DrawText(footerTextLeft, x, y);
 270         }
 271         if (!footerTextCentre.IsEmpty())
 272         {
 273             SubstituteKeywords(footerTextCentre, GetTitle(), page, m_numPages);
 274
 275             int tx, ty;
 276             dc->GetTextExtent(footerTextCentre, & tx, & ty);
 277
 278             int x = footerRect.GetWidth()/2 - tx/2 + footerRect.GetLeft();
 279             int y = footerRect.GetBottom() - ty;
 280             dc->DrawText(footerTextCentre, x, y);
 281         }
 282         if (!footerTextRight.IsEmpty())
 283         {
 284             SubstituteKeywords(footerTextRight, GetTitle(), page, m_numPages);
 285
 286             int tx, ty;
 287             dc->GetTextExtent(footerTextRight, & tx, & ty);
 288
 289             int x = footerRect.GetRight() - tx;
 290             int y = footerRect.GetBottom() - ty;
 291             dc->DrawText(footerTextRight, x, y);
 292         }
 293     }
 294
 295     wxRichTextRange rangeToDraw(m_pageBreaksStart[page-1], m_pageBreaksEnd[page-1]);
 296
 297     wxPoint oldOrigin = dc->GetLogicalOrigin();
 298     double scaleX, scaleY;
 299     dc->GetUserScale(& scaleX, & scaleY);
 300
 301     int yOffset = 0;
 302     if (page > 1)
 303         yOffset = m_pageYOffsets[page-2];
 304
 305     if (yOffset != oldOrigin.y)
 306         dc->SetLogicalOrigin(oldOrigin.x, oldOrigin.y + yOffset);
 307
 308     dc->SetClippingRegion(wxRect(textRect.x, textRect.y + yOffset, textRect.width, textRect.height));
 309
 310     wxRichTextDrawingContext context(GetRichTextBuffer());
 311     GetRichTextBuffer()->Draw(*dc, context, rangeToDraw, wxRichTextSelection(), textRect, 0 /* descent */, wxRICHTEXT_DRAW_IGNORE_CACHE|wxRICHTEXT_DRAW_PRINT /* flags */);
 312
 313     dc->DestroyClippingRegion();
 314
 315     if (yOffset != oldOrigin.y)
 316         dc->SetLogicalOrigin(oldOrigin.x, oldOrigin.y);
 317 }
 318
 319 void wxRichTextPrintout::SetMargins(int top, int bottom, int left, int right)
 320 {
 321     m_marginTop = top;
 322     m_marginBottom = bottom;
 323     m_marginLeft = left;
 324     m_marginRight = right;
 325 }
 326
 327 /// Calculate scaling and rectangles, setting the device context scaling
 328 void wxRichTextPrintout::CalculateScaling(wxDC* dc, wxRect& textRect, wxRect& headerRect, wxRect& footerRect)
 329 {
 330     // Get the logical pixels per inch of screen and printer
 331     int ppiScreenX, ppiScreenY;
 332     GetPPIScreen(&ppiScreenX, &ppiScreenY);
 333     int ppiPrinterX, ppiPrinterY;
 334     GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
 335
 336     // This scales the DC so that the printout roughly represents the
 337     // the screen scaling.
 338     float scale = (float)((float)ppiPrinterX/(float)ppiScreenX);
 339
 340     // Now we have to check in case our real page size is reduced
 341     // (e.g. because we're drawing to a print preview memory DC)
 342     int pageWidth, pageHeight;
 343     int w, h;
 344     dc->GetSize(&w, &h);
 345     GetPageSizePixels(&pageWidth, &pageHeight);
 346
 347     // If printer pageWidth == current DC width, then this doesn't
 348     // change. But w might be the preview bitmap width, so scale down.
 349     float previewScale = (float)(w/(float)pageWidth);
 350     float overallScale = scale * previewScale;
 351
 352     // The dimensions used for indentation etc. have to be unscaled
 353     // during printing to be correct when scaling is applied.
 354     // Also, correct the conversions in wxRTC using DC instead of print DC.
 355     m_richTextBuffer->SetScale(scale * float(dc->GetPPI().x)/float(ppiPrinterX));
 356
 357     // Calculate margins
 358     int marginLeft = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginLeft);
 359     int marginTop = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginTop);
 360     int marginRight = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginRight);
 361     int marginBottom = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_marginBottom);
 362
 363     // Header and footer margins
 364     int headerMargin = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_headerFooterData.GetHeaderMargin());
 365     int footerMargin = wxRichTextObject::ConvertTenthsMMToPixels(ppiPrinterX, m_headerFooterData.GetFooterMargin());
 366
 367     dc->SetUserScale(overallScale, overallScale);
 368
 369     wxRect rect((int) (marginLeft/scale), (int) (marginTop/scale),
 370                 (int) ((pageWidth - marginLeft - marginRight)/scale), (int)((pageHeight - marginTop - marginBottom)/scale));
 371
 372     headerRect = wxRect(0, 0, 0, 0);
 373
 374     if (!m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
 375         !m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
 376         !m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_RIGHT).IsEmpty() ||
 377
 378         !m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
 379         !m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
 380         !m_headerFooterData.GetHeaderText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_RIGHT).IsEmpty())
 381     {
 382         if (m_headerFooterData.GetFont().IsOk())
 383             dc->SetFont(m_headerFooterData.GetFont());
 384         else
 385             dc->SetFont(*wxNORMAL_FONT);
 386
 387         int charHeight = dc->GetCharHeight();
 388
 389         int headerHeight = (int) (charHeight + headerMargin/scale);
 390
 391         headerRect = wxRect(rect.x, rect.y, rect.width, headerHeight);
 392
 393         rect.y += headerHeight;
 394         rect.height -= headerHeight;
 395     }
 396
 397     footerRect = wxRect(0, 0, 0, 0);
 398
 399     if (!m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
 400         !m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
 401         !m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_RIGHT).IsEmpty() ||
 402
 403         !m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_LEFT).IsEmpty() ||
 404         !m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_CENTRE).IsEmpty() ||
 405         !m_headerFooterData.GetFooterText(wxRICHTEXT_PAGE_EVEN, wxRICHTEXT_PAGE_RIGHT).IsEmpty())
 406     {
 407         if (m_headerFooterData.GetFont().IsOk())
 408             dc->SetFont(m_headerFooterData.GetFont());
 409         else
 410             dc->SetFont(*wxNORMAL_FONT);
 411
 412         int charHeight = dc->GetCharHeight();
 413
 414         int footerHeight = (int) (charHeight + footerMargin/scale);
 415
 416         footerRect = wxRect(rect.x, rect.y + rect.height, rect.width, footerHeight);
 417
 418         rect.height -= footerHeight;
 419     }
 420
 421     textRect = rect;
 422 }
 423
 424 bool wxRichTextPrintout::SubstituteKeywords(wxString& str, const wxString& title, int pageNum, int pageCount)
 425 {
 426     wxString num;
 427
 428     num.Printf(wxT("%i"), pageNum);
 429     str.Replace(wxT("@PAGENUM@"), num);
 430
 431     num.Printf(wxT("%lu"), (unsigned long) pageCount);
 432     str.Replace(wxT("@PAGESCNT@"), num);
 433
 434     wxDateTime now = wxDateTime::Now();
 435
 436     str.Replace(wxT("@DATE@"), now.FormatDate());
 437     str.Replace(wxT("@TIME@"), now.FormatTime());
 438
 439     str.Replace(wxT("@TITLE@"), title);
 440
 441     return true;
 442 }
 443
 444 /*!
 445  * wxRichTextPrinting
 446  */
 447
 448 wxRichTextPrinting::wxRichTextPrinting(const wxString& name, wxWindow *parentWindow)
 449 {
 450     m_richTextBufferPrinting = NULL;
 451     m_richTextBufferPreview = NULL;
 452
 453     m_parentWindow = parentWindow;
 454     m_title = name;
 455     m_printData = NULL;
 456
 457     m_previewRect = wxRect(wxPoint(100, 100), wxSize(800, 800));
 458
 459     m_pageSetupData = new wxPageSetupDialogData;
 460     m_pageSetupData->EnableMargins(true);
 461     m_pageSetupData->SetMarginTopLeft(wxPoint(25, 25));
 462     m_pageSetupData->SetMarginBottomRight(wxPoint(25, 25));
 463 }
 464
 465 wxRichTextPrinting::~wxRichTextPrinting()
 466 {
 467     delete m_printData;
 468     delete m_pageSetupData;
 469     delete m_richTextBufferPrinting;
 470     delete m_richTextBufferPreview;
 471 }
 472
 473 wxPrintData *wxRichTextPrinting::GetPrintData()
 474 {
 475     if (m_printData == NULL)
 476         m_printData = new wxPrintData();
 477     return m_printData;
 478 }
 479
 480 /// Set print and page setup data
 481 void wxRichTextPrinting::SetPrintData(const wxPrintData& printData)
 482 {
 483     (*GetPrintData()) = printData;
 484 }
 485
 486 void wxRichTextPrinting::SetPageSetupData(const wxPageSetupDialogData& pageSetupData)
 487 {
 488     (*GetPageSetupData()) = pageSetupData;
 489 }
 490
 491 /// Set the rich text buffer pointer, deleting the existing object if present
 492 void wxRichTextPrinting::SetRichTextBufferPrinting(wxRichTextBuffer* buf)
 493 {
 494     if (m_richTextBufferPrinting)
 495     {
 496         delete m_richTextBufferPrinting;
 497         m_richTextBufferPrinting = NULL;
 498     }
 499     m_richTextBufferPrinting = buf;
 500 }
 501
 502 void wxRichTextPrinting::SetRichTextBufferPreview(wxRichTextBuffer* buf)
 503 {
 504     if (m_richTextBufferPreview)
 505     {
 506         delete m_richTextBufferPreview;
 507         m_richTextBufferPreview = NULL;
 508     }
 509     m_richTextBufferPreview = buf;
 510 }
 511
 512 bool wxRichTextPrinting::PreviewFile(const wxString& richTextFile)
 513 {
 514     SetRichTextBufferPreview(new wxRichTextBuffer);
 515
 516     if (!m_richTextBufferPreview->LoadFile(richTextFile))
 517     {
 518         SetRichTextBufferPreview(NULL);
 519         return false;
 520     }
 521     else
 522         SetRichTextBufferPrinting(new wxRichTextBuffer(*m_richTextBufferPreview));
 523
 524     wxRichTextPrintout *p1 = CreatePrintout();
 525     p1->SetRichTextBuffer(m_richTextBufferPreview);
 526
 527     wxRichTextPrintout *p2 = CreatePrintout();
 528     p2->SetRichTextBuffer(m_richTextBufferPrinting);
 529     return DoPreview(p1, p2);
 530 }
 531
 532 bool wxRichTextPrinting::PreviewBuffer(const wxRichTextBuffer& buffer)
 533 {
 534     SetRichTextBufferPreview(new wxRichTextBuffer(buffer));
 535     SetRichTextBufferPrinting(new wxRichTextBuffer(buffer));
 536
 537     wxRichTextPrintout *p1 = CreatePrintout();
 538     p1->SetRichTextBuffer(m_richTextBufferPreview);
 539
 540     wxRichTextPrintout *p2 = CreatePrintout();
 541     p2->SetRichTextBuffer(m_richTextBufferPrinting);
 542
 543     return DoPreview(p1, p2);
 544 }
 545
 546 bool wxRichTextPrinting::PrintFile(const wxString& richTextFile, bool showPrintDialog)
 547 {
 548     SetRichTextBufferPrinting(new wxRichTextBuffer);
 549
 550     if (!m_richTextBufferPrinting->LoadFile(richTextFile))
 551     {
 552         SetRichTextBufferPrinting(NULL);
 553         return false;
 554     }
 555
 556     wxRichTextPrintout *p = CreatePrintout();
 557     p->SetRichTextBuffer(m_richTextBufferPrinting);
 558
 559     bool ret = DoPrint(p, showPrintDialog);
 560     delete p;
 561     return ret;
 562 }
 563
 564 bool wxRichTextPrinting::PrintBuffer(const wxRichTextBuffer& buffer, bool showPrintDialog)
 565 {
 566     SetRichTextBufferPrinting(new wxRichTextBuffer(buffer));
 567
 568     wxRichTextPrintout *p = CreatePrintout();
 569     p->SetRichTextBuffer(m_richTextBufferPrinting);
 570
 571     bool ret = DoPrint(p, showPrintDialog);
 572     delete p;
 573     return ret;
 574 }
 575
 576 bool wxRichTextPrinting::DoPreview(wxRichTextPrintout *printout1, wxRichTextPrintout *printout2)
 577 {
 578     // Pass two printout objects: for preview, and possible printing.
 579     wxPrintDialogData printDialogData(*GetPrintData());
 580     wxPrintPreview *preview = new wxPrintPreview(printout1, printout2, &printDialogData);
 581     if (!preview->IsOk())
 582     {
 583         delete preview;
 584         return false;
 585     }
 586
 587     wxPreviewFrame *frame = new wxPreviewFrame(preview, m_parentWindow,
 588                                                m_title + _(" Preview"),
 589                                                m_previewRect.GetPosition(), m_previewRect.GetSize());
 590     frame->Centre(wxBOTH);
 591     frame->Initialize();
 592     frame->Show(true);
 593     return true;
 594 }
 595
 596 bool wxRichTextPrinting::DoPrint(wxRichTextPrintout *printout, bool showPrintDialog)
 597 {
 598     wxPrintDialogData printDialogData(*GetPrintData());
 599     wxPrinter printer(&printDialogData);
 600
 601     if (!printer.Print(m_parentWindow, printout, showPrintDialog))
 602     {
 603         return false;
 604     }
 605
 606     (*GetPrintData()) = printer.GetPrintDialogData().GetPrintData();
 607     return true;
 608 }
 609
 610 void wxRichTextPrinting::PageSetup()
 611 {
 612     if (!GetPrintData()->IsOk())
 613     {
 614         wxLogError(_("There was a problem during page setup: you may need to set a default printer."));
 615         return;
 616     }
 617
 618     m_pageSetupData->SetPrintData(*GetPrintData());
 619     wxPageSetupDialog pageSetupDialog(m_parentWindow, m_pageSetupData);
 620
 621     if (pageSetupDialog.ShowModal() == wxID_OK)
 622     {
 623         (*GetPrintData()) = pageSetupDialog.GetPageSetupData().GetPrintData();
 624         (*m_pageSetupData) = pageSetupDialog.GetPageSetupData();
 625     }
 626 }
 627
 628 wxRichTextPrintout *wxRichTextPrinting::CreatePrintout()
 629 {
 630     wxRichTextPrintout *p = new wxRichTextPrintout(m_title);
 631
 632     p->SetHeaderFooterData(GetHeaderFooterData());
 633     p->SetMargins(10*m_pageSetupData->GetMarginTopLeft().y,
 634                     10*m_pageSetupData->GetMarginBottomRight().y,
 635                     10*m_pageSetupData->GetMarginTopLeft().x,
 636                     10*m_pageSetupData->GetMarginBottomRight().x);
 637
 638     return p;
 639 }
 640
 641 /// Set/get header text, e.g. wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT
 642 void wxRichTextPrinting::SetHeaderText(const wxString& text, wxRichTextOddEvenPage page, wxRichTextPageLocation location)
 643 {
 644     m_headerFooterData.SetHeaderText(text, page, location);
 645 }
 646
 647 wxString wxRichTextPrinting::GetHeaderText(wxRichTextOddEvenPage page, wxRichTextPageLocation location) const
 648 {
 649     return m_headerFooterData.GetHeaderText(page, location);
 650 }
 651
 652 /// Set/get footer text, e.g. wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT
 653 void wxRichTextPrinting::SetFooterText(const wxString& text, wxRichTextOddEvenPage page, wxRichTextPageLocation location)
 654 {
 655     m_headerFooterData.SetFooterText(text, page, location);
 656 }
 657
 658 wxString wxRichTextPrinting::GetFooterText(wxRichTextOddEvenPage page, wxRichTextPageLocation location) const
 659 {
 660     return m_headerFooterData.GetFooterText(page, location);
 661 }
 662
 663 /*!
 664  * Header/footer data
 665  */
 666
 667 IMPLEMENT_CLASS(wxRichTextHeaderFooterData, wxObject)
 668
 669 /// Copy
 670 void wxRichTextHeaderFooterData::Copy(const wxRichTextHeaderFooterData& data)
 671 {
 672     int i;
 673     for (i = 0; i < 12; i++)
 674         m_text[i] = data.m_text[i];
 675     m_font = data.m_font;
 676     m_colour = data.m_colour;
 677     m_headerMargin = data.m_headerMargin;
 678     m_footerMargin = data.m_footerMargin;
 679     m_showOnFirstPage = data.m_showOnFirstPage;
 680 }
 681
 682 /// Set/get text
 683 void wxRichTextHeaderFooterData::SetText(const wxString& text, int headerFooter, wxRichTextOddEvenPage page, wxRichTextPageLocation location)
 684 {
 685     int idx = headerFooter + (2 * (int) page) + (4 * (int) location);
 686     wxASSERT( idx >= 0 && idx < 12 );
 687
 688     if (idx >= 0 && idx < 12)
 689         m_text[idx] = text;
 690 }
 691
 692 wxString wxRichTextHeaderFooterData::GetText(int headerFooter, wxRichTextOddEvenPage page, wxRichTextPageLocation location) const
 693 {
 694     int idx = headerFooter + (2 * (int) page) + (4 * (int) location);
 695     wxASSERT( idx >= 0 && idx < 12 );
 696
 697     if (idx >= 0 && idx < 12)
 698         return m_text[idx];
 699     else
 700         return wxEmptyString;
 701 }
 702
 703 /// Set/get header text, e.g. wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT
 704 void wxRichTextHeaderFooterData::SetHeaderText(const wxString& text, wxRichTextOddEvenPage page, wxRichTextPageLocation location)
 705 {
 706     if (page == wxRICHTEXT_PAGE_ALL)
 707     {
 708         SetText(text, 0, wxRICHTEXT_PAGE_ODD, location);
 709         SetText(text, 0, wxRICHTEXT_PAGE_EVEN, location);
 710     }
 711     else
 712         SetText(text, 0, page, location);
 713 }
 714
 715 wxString wxRichTextHeaderFooterData::GetHeaderText(wxRichTextOddEvenPage page, wxRichTextPageLocation location) const
 716 {
 717     return GetText(0, page, location);
 718 }
 719
 720 /// Set/get footer text, e.g. wxRICHTEXT_PAGE_ODD, wxRICHTEXT_PAGE_LEFT
 721 void wxRichTextHeaderFooterData::SetFooterText(const wxString& text, wxRichTextOddEvenPage page, wxRichTextPageLocation location)
 722 {
 723     if (page == wxRICHTEXT_PAGE_ALL)
 724     {
 725         SetText(text, 1, wxRICHTEXT_PAGE_ODD, location);
 726         SetText(text, 1, wxRICHTEXT_PAGE_EVEN, location);
 727     }
 728     else
 729         SetText(text, 1, page, location);
 730 }
 731
 732 wxString wxRichTextHeaderFooterData::GetFooterText(wxRichTextOddEvenPage page, wxRichTextPageLocation location) const
 733 {
 734     return GetText(1, page, location);
 735 }
 736
 737 /// Clear all text
 738 void wxRichTextHeaderFooterData::Clear()
 739 {
 740     int i;
 741     for (i = 0; i < 12; i++)
 742         m_text[i] = wxEmptyString;
 743 }
 744
 745 #endif // wxUSE_RICHTEXT & wxUSE_PRINTING_ARCHITECTURE
 746