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