include/wx/prntbase.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/prntbase.h
   3 // Purpose:     Base classes for printing framework
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PRNTBASEH__
  13 #define _WX_PRNTBASEH__
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_PRINTING_ARCHITECTURE
  18
  19 #include "wx/event.h"
  20 #include "wx/cmndata.h"
  21 #include "wx/panel.h"
  22 #include "wx/scrolwin.h"
  23 #include "wx/dialog.h"
  24 #include "wx/frame.h"
  25
  26 class WXDLLEXPORT wxDC;
  27 class WXDLLEXPORT wxButton;
  28 class WXDLLEXPORT wxChoice;
  29 class WXDLLEXPORT wxPrintout;
  30 class WXDLLEXPORT wxPrinterBase;
  31 class WXDLLEXPORT wxPrintDialogBase;
  32 class WXDLLEXPORT wxPrintDialog;
  33 class WXDLLEXPORT wxPageSetupDialogBase;
  34 class WXDLLEXPORT wxPageSetupDialog;
  35 class WXDLLEXPORT wxPrintPreviewBase;
  36 class WXDLLEXPORT wxPreviewCanvas;
  37 class WXDLLEXPORT wxPreviewControlBar;
  38 class WXDLLEXPORT wxPreviewFrame;
  39 class WXDLLEXPORT wxPrintFactory;
  40 class WXDLLEXPORT wxPrintNativeDataBase;
  41
  42 //----------------------------------------------------------------------------
  43 // error consts
  44 //----------------------------------------------------------------------------
  45
  46 enum wxPrinterError
  47 {
  48     wxPRINTER_NO_ERROR = 0,
  49     wxPRINTER_CANCELLED,
  50     wxPRINTER_ERROR
  51 };
  52
  53 //----------------------------------------------------------------------------
  54 // wxPrintFactory
  55 //----------------------------------------------------------------------------
  56
  57 class WXDLLEXPORT wxPrintFactory
  58 {
  59 public:
  60     wxPrintFactory() {}
  61     virtual ~wxPrintFactory() {}
  62
  63     virtual wxPrinterBase *CreatePrinter( wxPrintDialogData* data ) = 0;
  64
  65     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  66                                                     wxPrintout *printout = NULL,
  67                                                     wxPrintDialogData *data = NULL ) = 0;
  68     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
  69                                                     wxPrintout *printout,
  70                                                     wxPrintData *data ) = 0;
  71
  72     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  73                                                   wxPrintDialogData *data = NULL ) = 0;
  74     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
  75                                                   wxPrintData *data ) = 0;
  76
  77     virtual wxPageSetupDialogBase *CreatePageSetupDialog( wxWindow *parent,
  78                                                           wxPageSetupDialogData * data = NULL ) = 0;
  79
  80     virtual wxDC* CreatePrinterDC( const wxPrintData& data ) = 0;
  81
  82     // What to do and what to show in the wxPrintDialog
  83     // a) Use the generic print setup dialog or a native one?
  84     virtual bool HasPrintSetupDialog() = 0;
  85     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data ) = 0;
  86     // b) Provide the "print to file" option ourselves or via print setup?
  87     virtual bool HasOwnPrintToFile() = 0;
  88     // c) Show current printer
  89     virtual bool HasPrinterLine() = 0;
  90     virtual wxString CreatePrinterLine() = 0;
  91     // d) Show Status line for current printer?
  92     virtual bool HasStatusLine() = 0;
  93     virtual wxString CreateStatusLine() = 0;
  94
  95
  96     virtual wxPrintNativeDataBase *CreatePrintNativeData() = 0;
  97
  98     static void SetPrintFactory( wxPrintFactory *factory );
  99     static wxPrintFactory *GetFactory();
 100 private:
 101     static wxPrintFactory *m_factory;
 102 };
 103
 104 class WXDLLEXPORT wxNativePrintFactory: public wxPrintFactory
 105 {
 106 public:
 107     virtual wxPrinterBase *CreatePrinter( wxPrintDialogData *data );
 108
 109     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
 110                                                     wxPrintout *printout = NULL,
 111                                                     wxPrintDialogData *data = NULL );
 112     virtual wxPrintPreviewBase *CreatePrintPreview( wxPrintout *preview,
 113                                                     wxPrintout *printout,
 114                                                     wxPrintData *data );
 115
 116     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
 117                                                   wxPrintDialogData *data = NULL );
 118     virtual wxPrintDialogBase *CreatePrintDialog( wxWindow *parent,
 119                                                   wxPrintData *data );
 120
 121     virtual wxPageSetupDialogBase *CreatePageSetupDialog( wxWindow *parent,
 122                                                           wxPageSetupDialogData * data = NULL );
 123
 124     virtual wxDC* CreatePrinterDC( const wxPrintData& data );
 125
 126     virtual bool HasPrintSetupDialog();
 127     virtual wxDialog *CreatePrintSetupDialog( wxWindow *parent, wxPrintData *data );
 128     virtual bool HasOwnPrintToFile();
 129     virtual bool HasPrinterLine();
 130     virtual wxString CreatePrinterLine();
 131     virtual bool HasStatusLine();
 132     virtual wxString CreateStatusLine();
 133
 134     virtual wxPrintNativeDataBase *CreatePrintNativeData();
 135 };
 136
 137 //----------------------------------------------------------------------------
 138 // wxPrintNativeDataBase
 139 //----------------------------------------------------------------------------
 140
 141 class WXDLLEXPORT wxPrintNativeDataBase: public wxObject
 142 {
 143 public:
 144     wxPrintNativeDataBase();
 145     virtual ~wxPrintNativeDataBase() {}
 146
 147     virtual bool TransferTo( wxPrintData &data ) = 0;
 148     virtual bool TransferFrom( const wxPrintData &data ) = 0;
 149
 150     virtual bool Ok() const { return IsOk(); }
 151     virtual bool IsOk() const = 0;
 152
 153     int  m_ref;
 154
 155 private:
 156     DECLARE_CLASS(wxPrintNativeDataBase)
 157     DECLARE_NO_COPY_CLASS(wxPrintNativeDataBase)
 158 };
 159
 160 //----------------------------------------------------------------------------
 161 // wxPrinterBase
 162 //----------------------------------------------------------------------------
 163
 164 /*
 165  * Represents the printer: manages printing a wxPrintout object
 166  */
 167
 168 class WXDLLEXPORT wxPrinterBase: public wxObject
 169 {
 170 public:
 171     wxPrinterBase(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 172     virtual ~wxPrinterBase();
 173
 174     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
 175     virtual void ReportError(wxWindow *parent, wxPrintout *printout, const wxString& message);
 176
 177     virtual wxPrintDialogData& GetPrintDialogData() const;
 178     bool GetAbort() const { return sm_abortIt; }
 179
 180     static wxPrinterError GetLastError() { return sm_lastError; }
 181
 182     ///////////////////////////////////////////////////////////////////////////
 183     // OVERRIDES
 184
 185     virtual bool Setup(wxWindow *parent) = 0;
 186     virtual bool Print(wxWindow *parent, wxPrintout *printout, bool prompt = true) = 0;
 187     virtual wxDC* PrintDialog(wxWindow *parent) = 0;
 188
 189 protected:
 190     wxPrintDialogData     m_printDialogData;
 191     wxPrintout*           m_currentPrintout;
 192
 193     static wxPrinterError sm_lastError;
 194
 195 public:
 196     static wxWindow*      sm_abortWindow;
 197     static bool           sm_abortIt;
 198
 199 private:
 200     DECLARE_CLASS(wxPrinterBase)
 201     DECLARE_NO_COPY_CLASS(wxPrinterBase)
 202 };
 203
 204 //----------------------------------------------------------------------------
 205 // wxPrinter
 206 //----------------------------------------------------------------------------
 207
 208 class WXDLLEXPORT wxPrinter: public wxPrinterBase
 209 {
 210 public:
 211     wxPrinter(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 212     virtual ~wxPrinter();
 213
 214     virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
 215     virtual void ReportError(wxWindow *parent, wxPrintout *printout, const wxString& message);
 216
 217     virtual bool Setup(wxWindow *parent);
 218     virtual bool Print(wxWindow *parent, wxPrintout *printout, bool prompt = true);
 219     virtual wxDC* PrintDialog(wxWindow *parent);
 220
 221     virtual wxPrintDialogData& GetPrintDialogData() const;
 222
 223 protected:
 224     wxPrinterBase    *m_pimpl;
 225
 226 private:
 227     DECLARE_CLASS(wxPrinter)
 228     DECLARE_NO_COPY_CLASS(wxPrinter)
 229 };
 230
 231 //----------------------------------------------------------------------------
 232 // wxPrintout
 233 //----------------------------------------------------------------------------
 234
 235 /*
 236  * Represents an object via which a document may be printed.
 237  * The programmer derives from this, overrides (at least) OnPrintPage,
 238  * and passes it to a wxPrinter object for printing, or a wxPrintPreview
 239  * object for previewing.
 240  */
 241
 242 class WXDLLEXPORT wxPrintout: public wxObject
 243 {
 244 public:
 245     wxPrintout(const wxString& title = wxT("Printout"));
 246     virtual ~wxPrintout();
 247
 248     virtual bool OnBeginDocument(int startPage, int endPage);
 249     virtual void OnEndDocument();
 250     virtual void OnBeginPrinting();
 251     virtual void OnEndPrinting();
 252
 253     // Guaranteed to be before any other functions are called
 254     virtual void OnPreparePrinting() { }
 255
 256     virtual bool HasPage(int page);
 257     virtual bool OnPrintPage(int page) = 0;
 258     virtual void GetPageInfo(int *minPage, int *maxPage, int *pageFrom, int *pageTo);
 259
 260     virtual wxString GetTitle() const { return m_printoutTitle; }
 261
 262     wxDC *GetDC() const { return m_printoutDC; }
 263     void SetDC(wxDC *dc) { m_printoutDC = dc; }
 264
 265     void FitThisSizeToPaper(const wxSize& imageSize);
 266     void FitThisSizeToPage(const wxSize& imageSize);
 267     void FitThisSizeToPageMargins(const wxSize& imageSize, const wxPageSetupDialogData& pageSetupData);
 268     void MapScreenSizeToPaper();
 269     void MapScreenSizeToPage();
 270     void MapScreenSizeToPageMargins(const wxPageSetupDialogData& pageSetupData);
 271     void MapScreenSizeToDevice();
 272
 273     wxRect GetLogicalPaperRect() const;
 274     wxRect GetLogicalPageRect() const;
 275     wxRect GetLogicalPageMarginsRect(const wxPageSetupDialogData& pageSetupData) const;
 276
 277     void SetLogicalOrigin(wxCoord x, wxCoord y);
 278     void OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff);
 279
 280     void SetPageSizePixels(int w, int  h) { m_pageWidthPixels = w; m_pageHeightPixels = h; }
 281     void GetPageSizePixels(int *w, int  *h) const { *w = m_pageWidthPixels; *h = m_pageHeightPixels; }
 282     void SetPageSizeMM(int w, int  h) { m_pageWidthMM = w; m_pageHeightMM = h; }
 283     void GetPageSizeMM(int *w, int  *h) const { *w = m_pageWidthMM; *h = m_pageHeightMM; }
 284
 285     void SetPPIScreen(int x, int y) { m_PPIScreenX = x; m_PPIScreenY = y; }
 286     void GetPPIScreen(int *x, int *y) const { *x = m_PPIScreenX; *y = m_PPIScreenY; }
 287     void SetPPIPrinter(int x, int y) { m_PPIPrinterX = x; m_PPIPrinterY = y; }
 288     void GetPPIPrinter(int *x, int *y) const { *x = m_PPIPrinterX; *y = m_PPIPrinterY; }
 289
 290     void SetPaperRectPixels(const wxRect& paperRectPixels) { m_paperRectPixels = paperRectPixels; }
 291     wxRect GetPaperRectPixels() const { return m_paperRectPixels; }
 292
 293     virtual bool IsPreview() const { return m_isPreview; }
 294
 295     virtual void SetIsPreview(bool p) { m_isPreview = p; }
 296
 297 private:
 298     wxString         m_printoutTitle;
 299     wxDC*            m_printoutDC;
 300
 301     int              m_pageWidthPixels;
 302     int              m_pageHeightPixels;
 303
 304     int              m_pageWidthMM;
 305     int              m_pageHeightMM;
 306
 307     int              m_PPIScreenX;
 308     int              m_PPIScreenY;
 309     int              m_PPIPrinterX;
 310     int              m_PPIPrinterY;
 311
 312     wxRect           m_paperRectPixels;
 313
 314     bool             m_isPreview;
 315
 316 private:
 317     DECLARE_ABSTRACT_CLASS(wxPrintout)
 318     DECLARE_NO_COPY_CLASS(wxPrintout)
 319 };
 320
 321 //----------------------------------------------------------------------------
 322 // wxPreviewCanvas
 323 //----------------------------------------------------------------------------
 324
 325 /*
 326  * Canvas upon which a preview is drawn.
 327  */
 328
 329 class WXDLLEXPORT wxPreviewCanvas: public wxScrolledWindow
 330 {
 331 public:
 332     wxPreviewCanvas(wxPrintPreviewBase *preview,
 333                     wxWindow *parent,
 334                     const wxPoint& pos = wxDefaultPosition,
 335                     const wxSize& size = wxDefaultSize,
 336                     long style = 0,
 337                     const wxString& name = wxT("canvas"));
 338     virtual ~wxPreviewCanvas();
 339
 340     void OnPaint(wxPaintEvent& event);
 341     void OnChar(wxKeyEvent &event);
 342     // Responds to colour changes
 343     void OnSysColourChanged(wxSysColourChangedEvent& event);
 344
 345 private:
 346 #if wxUSE_MOUSEWHEEL
 347     void OnMouseWheel(wxMouseEvent& event);
 348 #endif // wxUSE_MOUSEWHEEL
 349
 350     wxPrintPreviewBase* m_printPreview;
 351
 352     DECLARE_CLASS(wxPreviewCanvas)
 353     DECLARE_EVENT_TABLE()
 354     DECLARE_NO_COPY_CLASS(wxPreviewCanvas)
 355 };
 356
 357 //----------------------------------------------------------------------------
 358 // wxPreviewFrame
 359 //----------------------------------------------------------------------------
 360
 361 /*
 362  * Default frame for showing preview.
 363  */
 364
 365 class WXDLLEXPORT wxPreviewFrame: public wxFrame
 366 {
 367 public:
 368     wxPreviewFrame(wxPrintPreviewBase *preview,
 369                    wxWindow *parent,
 370                    const wxString& title = wxT("Print Preview"),
 371                    const wxPoint& pos = wxDefaultPosition,
 372                    const wxSize& size = wxDefaultSize,
 373                    long style = wxDEFAULT_FRAME_STYLE,
 374                    const wxString& name = wxT("frame"));
 375     virtual ~wxPreviewFrame();
 376
 377     void OnCloseWindow(wxCloseEvent& event);
 378     virtual void Initialize();
 379     virtual void CreateCanvas();
 380     virtual void CreateControlBar();
 381
 382     inline wxPreviewControlBar* GetControlBar() const { return m_controlBar; }
 383
 384 protected:
 385     wxPreviewCanvas*      m_previewCanvas;
 386     wxPreviewControlBar*  m_controlBar;
 387     wxPrintPreviewBase*   m_printPreview;
 388     wxWindowDisabler*     m_windowDisabler;
 389
 390 private:
 391     DECLARE_CLASS(wxPreviewFrame)
 392     DECLARE_EVENT_TABLE()
 393     DECLARE_NO_COPY_CLASS(wxPreviewFrame)
 394 };
 395
 396 //----------------------------------------------------------------------------
 397 // wxPreviewControlBar
 398 //----------------------------------------------------------------------------
 399
 400 /*
 401  * A panel with buttons for controlling a print preview.
 402  * The programmer may wish to use other means for controlling
 403  * the print preview.
 404  */
 405
 406 #define wxPREVIEW_PRINT        1
 407 #define wxPREVIEW_PREVIOUS     2
 408 #define wxPREVIEW_NEXT         4
 409 #define wxPREVIEW_ZOOM         8
 410 #define wxPREVIEW_FIRST       16
 411 #define wxPREVIEW_LAST        32
 412 #define wxPREVIEW_GOTO        64
 413
 414 #define wxPREVIEW_DEFAULT  (wxPREVIEW_PREVIOUS|wxPREVIEW_NEXT|wxPREVIEW_ZOOM\
 415                             |wxPREVIEW_FIRST|wxPREVIEW_GOTO|wxPREVIEW_LAST)
 416
 417 // Ids for controls
 418 #define wxID_PREVIEW_CLOSE      1
 419 #define wxID_PREVIEW_NEXT       2
 420 #define wxID_PREVIEW_PREVIOUS   3
 421 #define wxID_PREVIEW_PRINT      4
 422 #define wxID_PREVIEW_ZOOM       5
 423 #define wxID_PREVIEW_FIRST      6
 424 #define wxID_PREVIEW_LAST       7
 425 #define wxID_PREVIEW_GOTO       8
 426
 427 class WXDLLEXPORT wxPreviewControlBar: public wxPanel
 428 {
 429     DECLARE_CLASS(wxPreviewControlBar)
 430
 431 public:
 432     wxPreviewControlBar(wxPrintPreviewBase *preview,
 433                         long buttons,
 434                         wxWindow *parent,
 435                         const wxPoint& pos = wxDefaultPosition,
 436                         const wxSize& size = wxDefaultSize,
 437                         long style = wxTAB_TRAVERSAL,
 438                         const wxString& name = wxT("panel"));
 439     virtual ~wxPreviewControlBar();
 440
 441     virtual void CreateButtons();
 442     virtual void SetZoomControl(int zoom);
 443     virtual int GetZoomControl();
 444     virtual wxPrintPreviewBase *GetPrintPreview() const
 445         { return m_printPreview; }
 446
 447     void OnWindowClose(wxCommandEvent& event);
 448     void OnNext();
 449     void OnPrevious();
 450     void OnFirst();
 451     void OnLast();
 452     void OnGoto();
 453     void OnPrint();
 454     void OnPrintButton(wxCommandEvent& WXUNUSED(event)) { OnPrint(); }
 455     void OnNextButton(wxCommandEvent & WXUNUSED(event)) { OnNext(); }
 456     void OnPreviousButton(wxCommandEvent & WXUNUSED(event)) { OnPrevious(); }
 457     void OnFirstButton(wxCommandEvent & WXUNUSED(event)) { OnFirst(); }
 458     void OnLastButton(wxCommandEvent & WXUNUSED(event)) { OnLast(); }
 459     void OnGotoButton(wxCommandEvent & WXUNUSED(event)) { OnGoto(); }
 460     void OnZoom(wxCommandEvent& event);
 461     void OnPaint(wxPaintEvent& event);
 462
 463 protected:
 464     wxPrintPreviewBase*   m_printPreview;
 465     wxButton*             m_closeButton;
 466     wxButton*             m_nextPageButton;
 467     wxButton*             m_previousPageButton;
 468     wxButton*             m_printButton;
 469     wxChoice*             m_zoomControl;
 470     wxButton*             m_firstPageButton;
 471     wxButton*             m_lastPageButton;
 472     wxButton*             m_gotoPageButton;
 473     long                  m_buttonFlags;
 474
 475 private:
 476     DECLARE_EVENT_TABLE()
 477     DECLARE_NO_COPY_CLASS(wxPreviewControlBar)
 478 };
 479
 480 //----------------------------------------------------------------------------
 481 // wxPrintPreviewBase
 482 //----------------------------------------------------------------------------
 483
 484 /*
 485  * Programmer creates an object of this class to preview a wxPrintout.
 486  */
 487
 488 class WXDLLEXPORT wxPrintPreviewBase: public wxObject
 489 {
 490 public:
 491     wxPrintPreviewBase(wxPrintout *printout,
 492                        wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
 493                        wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 494     wxPrintPreviewBase(wxPrintout *printout,
 495                        wxPrintout *printoutForPrinting,
 496                        wxPrintData *data);
 497     virtual ~wxPrintPreviewBase();
 498
 499     virtual bool SetCurrentPage(int pageNum);
 500     virtual int GetCurrentPage() const;
 501
 502     virtual void SetPrintout(wxPrintout *printout);
 503     virtual wxPrintout *GetPrintout() const;
 504     virtual wxPrintout *GetPrintoutForPrinting() const;
 505
 506     virtual void SetFrame(wxFrame *frame);
 507     virtual void SetCanvas(wxPreviewCanvas *canvas);
 508
 509     virtual wxFrame *GetFrame() const;
 510     virtual wxPreviewCanvas *GetCanvas() const;
 511
 512     // This is a helper routine, used by the next 4 routines.
 513
 514     virtual void CalcRects(wxPreviewCanvas *canvas, wxRect& printableAreaRect, wxRect& paperRect);
 515
 516     // The preview canvas should call this from OnPaint
 517     virtual bool PaintPage(wxPreviewCanvas *canvas, wxDC& dc);
 518
 519     // This draws a blank page onto the preview canvas
 520     virtual bool DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc);
 521
 522     // Adjusts the scrollbars for the current scale
 523     virtual void AdjustScrollbars(wxPreviewCanvas *canvas);
 524
 525     // This is called by wxPrintPreview to render a page into a wxMemoryDC.
 526     virtual bool RenderPage(int pageNum);
 527
 528
 529     virtual void SetZoom(int percent);
 530     virtual int GetZoom() const;
 531
 532     virtual wxPrintDialogData& GetPrintDialogData();
 533
 534     virtual int GetMaxPage() const;
 535     virtual int GetMinPage() const;
 536
 537     virtual bool Ok() const { return IsOk(); }
 538     virtual bool IsOk() const;
 539     virtual void SetOk(bool ok);
 540
 541     ///////////////////////////////////////////////////////////////////////////
 542     // OVERRIDES
 543
 544     // If we own a wxPrintout that can be used for printing, this
 545     // will invoke the actual printing procedure. Called
 546     // by the wxPreviewControlBar.
 547     virtual bool Print(bool interactive) = 0;
 548
 549     // Calculate scaling that needs to be done to get roughly
 550     // the right scaling for the screen pretending to be
 551     // the currently selected printer.
 552     virtual void DetermineScaling() = 0;
 553
 554 protected:
 555     wxPrintDialogData m_printDialogData;
 556     wxPreviewCanvas*  m_previewCanvas;
 557     wxFrame*          m_previewFrame;
 558     wxBitmap*         m_previewBitmap;
 559     wxPrintout*       m_previewPrintout;
 560     wxPrintout*       m_printPrintout;
 561     int               m_currentPage;
 562     int               m_currentZoom;
 563     float             m_previewScaleX;
 564     float             m_previewScaleY;
 565     int               m_topMargin;
 566     int               m_leftMargin;
 567     int               m_pageWidth;
 568     int               m_pageHeight;
 569     int               m_minPage;
 570     int               m_maxPage;
 571
 572     bool              m_isOk;
 573     bool              m_printingPrepared; // Called OnPreparePrinting?
 574
 575 private:
 576     void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
 577
 578     DECLARE_NO_COPY_CLASS(wxPrintPreviewBase)
 579     DECLARE_CLASS(wxPrintPreviewBase)
 580 };
 581
 582 //----------------------------------------------------------------------------
 583 // wxPrintPreview
 584 //----------------------------------------------------------------------------
 585
 586 class WXDLLEXPORT wxPrintPreview: public wxPrintPreviewBase
 587 {
 588 public:
 589     wxPrintPreview(wxPrintout *printout,
 590                    wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
 591                    wxPrintDialogData *data = (wxPrintDialogData *) NULL);
 592     wxPrintPreview(wxPrintout *printout,
 593                    wxPrintout *printoutForPrinting,
 594                    wxPrintData *data);
 595     virtual ~wxPrintPreview();
 596
 597     virtual bool SetCurrentPage(int pageNum);
 598     virtual int GetCurrentPage() const;
 599     virtual void SetPrintout(wxPrintout *printout);
 600     virtual wxPrintout *GetPrintout() const;
 601     virtual wxPrintout *GetPrintoutForPrinting() const;
 602     virtual void SetFrame(wxFrame *frame);
 603     virtual void SetCanvas(wxPreviewCanvas *canvas);
 604
 605     virtual wxFrame *GetFrame() const;
 606     virtual wxPreviewCanvas *GetCanvas() const;
 607     virtual bool PaintPage(wxPreviewCanvas *canvas, wxDC& dc);
 608     virtual bool DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc);
 609     virtual void AdjustScrollbars(wxPreviewCanvas *canvas);
 610     virtual bool RenderPage(int pageNum);
 611     virtual void SetZoom(int percent);
 612     virtual int GetZoom() const;
 613
 614     virtual bool Print(bool interactive);
 615     virtual void DetermineScaling();
 616
 617     virtual wxPrintDialogData& GetPrintDialogData();
 618
 619     virtual int GetMaxPage() const;
 620     virtual int GetMinPage() const;
 621
 622     virtual bool Ok() const { return IsOk(); }
 623     virtual bool IsOk() const;
 624     virtual void SetOk(bool ok);
 625
 626 private:
 627     wxPrintPreviewBase *m_pimpl;
 628
 629 private:
 630     DECLARE_CLASS(wxPrintPreview)
 631     DECLARE_NO_COPY_CLASS(wxPrintPreview)
 632 };
 633
 634 //----------------------------------------------------------------------------
 635 // wxPrintAbortDialog
 636 //----------------------------------------------------------------------------
 637
 638 class WXDLLEXPORT wxPrintAbortDialog: public wxDialog
 639 {
 640 public:
 641     wxPrintAbortDialog(wxWindow *parent,
 642                        const wxString& title,
 643                        const wxPoint& pos = wxDefaultPosition,
 644                        const wxSize& size = wxDefaultSize,
 645                        long style = 0,
 646                        const wxString& name = wxT("dialog"))
 647         : wxDialog(parent, wxID_ANY, title, pos, size, style, name)
 648         {
 649         }
 650
 651     void OnCancel(wxCommandEvent& event);
 652
 653 private:
 654     DECLARE_EVENT_TABLE()
 655     DECLARE_NO_COPY_CLASS(wxPrintAbortDialog)
 656 };
 657
 658 #endif // wxUSE_PRINTING_ARCHITECTURE
 659
 660 #endif
 661     // _WX_PRNTBASEH__