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[wxWidgets.git] / 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__) && !defined(__WXMAC__) )
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 wxOSXCreatePrintData();
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->Destroy();
516 wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
517 }
518
519 //----------------------------------------------------------------------------
520 // wxPrintout
521 //----------------------------------------------------------------------------
522
523 IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
524
525 wxPrintout::wxPrintout(const wxString& title)
526 {
527 m_printoutTitle = title ;
528 m_printoutDC = (wxDC *) NULL;
529 m_pageWidthMM = 0;
530 m_pageHeightMM = 0;
531 m_pageWidthPixels = 0;
532 m_pageHeightPixels = 0;
533 m_PPIScreenX = 0;
534 m_PPIScreenY = 0;
535 m_PPIPrinterX = 0;
536 m_PPIPrinterY = 0;
537 m_isPreview = false;
538 }
539
540 wxPrintout::~wxPrintout()
541 {
542 }
543
544 bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
545 {
546 return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);
547 }
548
549 void wxPrintout::OnEndDocument()
550 {
551 GetDC()->EndDoc();
552 }
553
554 void wxPrintout::OnBeginPrinting()
555 {
556 }
557
558 void wxPrintout::OnEndPrinting()
559 {
560 }
561
562 bool wxPrintout::HasPage(int page)
563 {
564 return (page == 1);
565 }
566
567 void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
568 {
569 *minPage = 1;
570 *maxPage = 32000;
571 *fromPage = 1;
572 *toPage = 1;
573 }
574
575 void wxPrintout::FitThisSizeToPaper(const wxSize& imageSize)
576 {
577 // Set the DC scale and origin so that the given image size fits within the
578 // entire page and the origin is at the top left corner of the page. Note
579 // that with most printers, portions of the page will be non-printable. Use
580 // this if you're managing your own page margins.
581 if (!m_printoutDC) return;
582 wxRect paperRect = GetPaperRectPixels();
583 wxCoord pw, ph;
584 GetPageSizePixels(&pw, &ph);
585 wxCoord w, h;
586 m_printoutDC->GetSize(&w, &h);
587 float scaleX = ((float(paperRect.width) * w) / (float(pw) * imageSize.x));
588 float scaleY = ((float(paperRect.height) * h) / (float(ph) * imageSize.y));
589 float actualScale = wxMin(scaleX, scaleY);
590 m_printoutDC->SetUserScale(actualScale, actualScale);
591 m_printoutDC->SetDeviceOrigin(0, 0);
592 wxRect logicalPaperRect = GetLogicalPaperRect();
593 SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
594 }
595
596 void wxPrintout::FitThisSizeToPage(const wxSize& imageSize)
597 {
598 // Set the DC scale and origin so that the given image size fits within the
599 // printable area of the page and the origin is at the top left corner of
600 // the printable area.
601 if (!m_printoutDC) return;
602 int w, h;
603 m_printoutDC->GetSize(&w, &h);
604 float scaleX = float(w) / imageSize.x;
605 float scaleY = float(h) / imageSize.y;
606 float actualScale = wxMin(scaleX, scaleY);
607 m_printoutDC->SetUserScale(actualScale, actualScale);
608 m_printoutDC->SetDeviceOrigin(0, 0);
609 }
610
611 void wxPrintout::FitThisSizeToPageMargins(const wxSize& imageSize, const wxPageSetupDialogData& pageSetupData)
612 {
613 // Set the DC scale and origin so that the given image size fits within the
614 // page margins defined in the given wxPageSetupDialogData object and the
615 // origin is at the top left corner of the page margins.
616 if (!m_printoutDC) return;
617 wxRect paperRect = GetPaperRectPixels();
618 wxCoord pw, ph;
619 GetPageSizePixels(&pw, &ph);
620 wxPoint topLeft = pageSetupData.GetMarginTopLeft();
621 wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
622 wxCoord mw, mh;
623 GetPageSizeMM(&mw, &mh);
624 float mmToDeviceX = float(pw) / mw;
625 float mmToDeviceY = float(ph) / mh;
626 wxRect pageMarginsRect(paperRect.x + wxRound(mmToDeviceX * topLeft.x),
627 paperRect.y + wxRound(mmToDeviceY * topLeft.y),
628 paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
629 paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
630 wxCoord w, h;
631 m_printoutDC->GetSize(&w, &h);
632 float scaleX = (float(pageMarginsRect.width) * w) / (float(pw) * imageSize.x);
633 float scaleY = (float(pageMarginsRect.height) * h) / (float(ph) * imageSize.y);
634 float actualScale = wxMin(scaleX, scaleY);
635 m_printoutDC->SetUserScale(actualScale, actualScale);
636 m_printoutDC->SetDeviceOrigin(0, 0);
637 wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
638 SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
639 }
640
641 void wxPrintout::MapScreenSizeToPaper()
642 {
643 // Set the DC scale so that an image on the screen is the same size on the
644 // paper and the origin is at the top left of the paper. Note that with most
645 // printers, portions of the page will be cut off. Use this if you're
646 // managing your own page margins.
647 if (!m_printoutDC) return;
648 MapScreenSizeToPage();
649 wxRect logicalPaperRect = GetLogicalPaperRect();
650 SetLogicalOrigin(logicalPaperRect.x, logicalPaperRect.y);
651 }
652
653 void wxPrintout::MapScreenSizeToPage()
654 {
655 // Set the DC scale and origin so that an image on the screen is the same
656 // size on the paper and the origin is at the top left of the printable area.
657 if (!m_printoutDC) return;
658 int ppiScreenX, ppiScreenY;
659 GetPPIScreen(&ppiScreenX, &ppiScreenY);
660 int ppiPrinterX, ppiPrinterY;
661 GetPPIPrinter(&ppiPrinterX, &ppiPrinterY);
662 int w, h;
663 m_printoutDC->GetSize(&w, &h);
664 int pageSizePixelsX, pageSizePixelsY;
665 GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
666 float userScaleX = (float(ppiPrinterX) * w) / (float(ppiScreenX) * pageSizePixelsX);
667 float userScaleY = (float(ppiPrinterY) * h) / (float(ppiScreenY) * pageSizePixelsY);
668 m_printoutDC->SetUserScale(userScaleX, userScaleY);
669 m_printoutDC->SetDeviceOrigin(0, 0);
670 }
671
672 void wxPrintout::MapScreenSizeToPageMargins(const wxPageSetupDialogData& pageSetupData)
673 {
674 // Set the DC scale so that an image on the screen is the same size on the
675 // paper and the origin is at the top left of the page margins defined by
676 // the given wxPageSetupDialogData object.
677 if (!m_printoutDC) return;
678 MapScreenSizeToPage();
679 wxRect logicalPageMarginsRect = GetLogicalPageMarginsRect(pageSetupData);
680 SetLogicalOrigin(logicalPageMarginsRect.x, logicalPageMarginsRect.y);
681 }
682
683 void wxPrintout::MapScreenSizeToDevice()
684 {
685 // Set the DC scale so that a screen pixel is the same size as a device
686 // pixel and the origin is at the top left of the printable area.
687 if (!m_printoutDC) return;
688 int w, h;
689 m_printoutDC->GetSize(&w, &h);
690 int pageSizePixelsX, pageSizePixelsY;
691 GetPageSizePixels(&pageSizePixelsX, &pageSizePixelsY);
692 float userScaleX = float(w) / pageSizePixelsX;
693 float userScaleY = float(h) / pageSizePixelsY;
694 m_printoutDC->SetUserScale(userScaleX, userScaleY);
695 m_printoutDC->SetDeviceOrigin(0, 0);
696 }
697
698 wxRect wxPrintout::GetLogicalPaperRect() const
699 {
700 // Return the rectangle in logical units that corresponds to the paper
701 // rectangle.
702 wxRect paperRect = GetPaperRectPixels();
703 wxCoord pw, ph;
704 GetPageSizePixels(&pw, &ph);
705 wxCoord w, h;
706 m_printoutDC->GetSize(&w, &h);
707 if (w == pw && h == ph) {
708 // this DC matches the printed page, so no scaling
709 return wxRect(m_printoutDC->DeviceToLogicalX(paperRect.x),
710 m_printoutDC->DeviceToLogicalY(paperRect.y),
711 m_printoutDC->DeviceToLogicalXRel(paperRect.width),
712 m_printoutDC->DeviceToLogicalYRel(paperRect.height));
713 }
714 // This DC doesn't match the printed page, so we have to scale.
715 float scaleX = float(w) / pw;
716 float scaleY = float(h) / ph;
717 return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(paperRect.x * scaleX)),
718 m_printoutDC->DeviceToLogicalY(wxRound(paperRect.y * scaleY)),
719 m_printoutDC->DeviceToLogicalXRel(wxRound(paperRect.width * scaleX)),
720 m_printoutDC->DeviceToLogicalYRel(wxRound(paperRect.height * scaleY)));
721 }
722
723 wxRect wxPrintout::GetLogicalPageRect() const
724 {
725 // Return the rectangle in logical units that corresponds to the printable
726 // area.
727 int w, h;
728 m_printoutDC->GetSize(&w, &h);
729 return wxRect(m_printoutDC->DeviceToLogicalX(0),
730 m_printoutDC->DeviceToLogicalY(0),
731 m_printoutDC->DeviceToLogicalXRel(w),
732 m_printoutDC->DeviceToLogicalYRel(h));
733 }
734
735 wxRect wxPrintout::GetLogicalPageMarginsRect(const wxPageSetupDialogData& pageSetupData) const
736 {
737 // Return the rectangle in logical units that corresponds to the region
738 // within the page margins as specified by the given wxPageSetupDialogData
739 // object.
740
741 // We get the paper size in device units and the margins in mm,
742 // so we need to calculate the conversion with this trick
743 wxCoord pw, ph;
744 GetPageSizePixels(&pw, &ph);
745 wxCoord mw, mh;
746 GetPageSizeMM(&mw, &mh);
747 float mmToDeviceX = float(pw) / mw;
748 float mmToDeviceY = float(ph) / mh;
749
750 // paper size in device units
751 wxRect paperRect = GetPaperRectPixels();
752
753 // margins in mm
754 wxPoint topLeft = pageSetupData.GetMarginTopLeft();
755 wxPoint bottomRight = pageSetupData.GetMarginBottomRight();
756
757 // calculate margins in device units
758 wxRect pageMarginsRect(
759 paperRect.x + wxRound(mmToDeviceX * topLeft.x),
760 paperRect.y + wxRound(mmToDeviceY * topLeft.y),
761 paperRect.width - wxRound(mmToDeviceX * (topLeft.x + bottomRight.x)),
762 paperRect.height - wxRound(mmToDeviceY * (topLeft.y + bottomRight.y)));
763
764 wxCoord w, h;
765 m_printoutDC->GetSize(&w, &h);
766 if (w == pw && h == ph)
767 {
768 // this DC matches the printed page, so no scaling
769 return wxRect(
770 m_printoutDC->DeviceToLogicalX(pageMarginsRect.x),
771 m_printoutDC->DeviceToLogicalY(pageMarginsRect.y),
772 m_printoutDC->DeviceToLogicalXRel(pageMarginsRect.width),
773 m_printoutDC->DeviceToLogicalYRel(pageMarginsRect.height));
774 }
775
776 // This DC doesn't match the printed page, so we have to scale.
777 float scaleX = float(w) / pw;
778 float scaleY = float(h) / ph;
779 return wxRect(m_printoutDC->DeviceToLogicalX(wxRound(pageMarginsRect.x * scaleX)),
780 m_printoutDC->DeviceToLogicalY(wxRound(pageMarginsRect.y * scaleY)),
781 m_printoutDC->DeviceToLogicalXRel(wxRound(pageMarginsRect.width * scaleX)),
782 m_printoutDC->DeviceToLogicalYRel(wxRound(pageMarginsRect.height * scaleY)));
783 }
784
785 void wxPrintout::SetLogicalOrigin(wxCoord x, wxCoord y)
786 {
787 // Set the device origin by specifying a point in logical coordinates.
788 m_printoutDC->SetDeviceOrigin(
789 m_printoutDC->LogicalToDeviceX(x),
790 m_printoutDC->LogicalToDeviceY(y) );
791 }
792
793 void wxPrintout::OffsetLogicalOrigin(wxCoord xoff, wxCoord yoff)
794 {
795 // Offset the device origin by a specified distance in device coordinates.
796 wxPoint dev_org = m_printoutDC->GetDeviceOrigin();
797 m_printoutDC->SetDeviceOrigin(
798 dev_org.x + m_printoutDC->LogicalToDeviceXRel(xoff),
799 dev_org.y + m_printoutDC->LogicalToDeviceYRel(yoff) );
800 }
801
802
803 //----------------------------------------------------------------------------
804 // wxPreviewCanvas
805 //----------------------------------------------------------------------------
806
807 IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
808
809 BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
810 EVT_PAINT(wxPreviewCanvas::OnPaint)
811 EVT_CHAR(wxPreviewCanvas::OnChar)
812 EVT_IDLE(wxPreviewCanvas::OnIdle)
813 EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
814 #if wxUSE_MOUSEWHEEL
815 EVT_MOUSEWHEEL(wxPreviewCanvas::OnMouseWheel)
816 #endif
817 END_EVENT_TABLE()
818
819 // VZ: the current code doesn't refresh properly without
820 // wxFULL_REPAINT_ON_RESIZE, this must be fixed as otherwise we have
821 // really horrible flicker when resizing the preview frame, but without
822 // this style it simply doesn't work correctly at all...
823 wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
824 const wxPoint& pos, const wxSize& size, long style, const wxString& name):
825 wxScrolledWindow(parent, wxID_ANY, pos, size, style | wxFULL_REPAINT_ON_RESIZE, name)
826 {
827 m_printPreview = preview;
828 #ifdef __WXMAC__
829 // The app workspace colour is always white, but we should have
830 // a contrast with the page.
831 wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
832 #elif defined(__WXGTK__)
833 wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
834 #else
835 wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
836 #endif
837 SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
838
839 SetScrollbars(10, 10, 100, 100);
840 }
841
842 wxPreviewCanvas::~wxPreviewCanvas()
843 {
844 }
845
846 void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
847 {
848 wxPaintDC dc(this);
849 PrepareDC( dc );
850
851 /*
852 #ifdef __WXGTK__
853 if (!GetUpdateRegion().IsEmpty())
854 dc.SetClippingRegion( GetUpdateRegion() );
855 #endif
856 */
857
858 if (m_printPreview)
859 {
860 m_printPreview->PaintPage(this, dc);
861 }
862 }
863
864 void wxPreviewCanvas::OnIdle(wxIdleEvent& event)
865 {
866 event.Skip();
867
868 // prevent UpdatePageRendering() from being called recursively:
869 static bool s_inIdle = false;
870 if ( s_inIdle )
871 return;
872 s_inIdle = true;
873
874 if ( m_printPreview )
875 {
876 if ( m_printPreview->UpdatePageRendering() )
877 Refresh();
878 }
879
880 s_inIdle = false;
881 }
882
883 // Responds to colour changes, and passes event on to children.
884 void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
885 {
886 #ifdef __WXMAC__
887 // The app workspace colour is always white, but we should have
888 // a contrast with the page.
889 wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
890 #elif defined(__WXGTK__)
891 wxSystemColour colourIndex = wxSYS_COLOUR_BTNFACE;
892 #else
893 wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
894 #endif
895 SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
896 Refresh();
897
898 // Propagate the event to the non-top-level children
899 wxWindow::OnSysColourChanged(event);
900 }
901
902 void wxPreviewCanvas::OnChar(wxKeyEvent &event)
903 {
904 wxPreviewControlBar* controlBar = ((wxPreviewFrame*) GetParent())->GetControlBar();
905 switch (event.GetKeyCode())
906 {
907 case WXK_TAB:
908 controlBar->OnGoto();
909 return;
910 case WXK_RETURN:
911 controlBar->OnPrint();
912 return;
913 }
914
915 if (!event.ControlDown())
916 {
917 event.Skip();
918 return;
919 }
920
921 switch(event.GetKeyCode())
922 {
923 case WXK_PAGEDOWN:
924 controlBar->OnNext(); break;
925 case WXK_PAGEUP:
926 controlBar->OnPrevious(); break;
927 case WXK_HOME:
928 controlBar->OnFirst(); break;
929 case WXK_END:
930 controlBar->OnLast(); break;
931 default:
932 event.Skip();
933 }
934 }
935
936 #if wxUSE_MOUSEWHEEL
937
938 void wxPreviewCanvas::OnMouseWheel(wxMouseEvent& event)
939 {
940 wxPreviewControlBar *
941 controlBar = wxStaticCast(GetParent(), wxPreviewFrame)->GetControlBar();
942
943 if ( controlBar )
944 {
945 if ( event.ControlDown() && event.GetWheelRotation() != 0 )
946 {
947 int currentZoom = controlBar->GetZoomControl();
948
949 int delta;
950 if ( currentZoom < 100 )
951 delta = 5;
952 else if ( currentZoom <= 120 )
953 delta = 10;
954 else
955 delta = 50;
956
957 if ( event.GetWheelRotation() > 0 )
958 delta = -delta;
959
960 int newZoom = currentZoom + delta;
961 if ( newZoom < 10 )
962 newZoom = 10;
963 if ( newZoom > 200 )
964 newZoom = 200;
965 if ( newZoom != currentZoom )
966 {
967 controlBar->SetZoomControl(newZoom);
968 m_printPreview->SetZoom(newZoom);
969 Refresh();
970 }
971 return;
972 }
973 }
974
975 event.Skip();
976 }
977
978 #endif // wxUSE_MOUSEWHEEL
979
980 //----------------------------------------------------------------------------
981 // wxPreviewControlBar
982 //----------------------------------------------------------------------------
983
984 IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
985
986 BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
987 EVT_BUTTON(wxID_PREVIEW_CLOSE, wxPreviewControlBar::OnWindowClose)
988 EVT_BUTTON(wxID_PREVIEW_PRINT, wxPreviewControlBar::OnPrintButton)
989 EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
990 EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNextButton)
991 EVT_BUTTON(wxID_PREVIEW_FIRST, wxPreviewControlBar::OnFirstButton)
992 EVT_BUTTON(wxID_PREVIEW_LAST, wxPreviewControlBar::OnLastButton)
993 EVT_BUTTON(wxID_PREVIEW_GOTO, wxPreviewControlBar::OnGotoButton)
994 EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom)
995 EVT_PAINT(wxPreviewControlBar::OnPaint)
996 END_EVENT_TABLE()
997
998 wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
999 wxWindow *parent, const wxPoint& pos, const wxSize& size,
1000 long style, const wxString& name):
1001 wxPanel(parent, wxID_ANY, pos, size, style, name)
1002 {
1003 m_printPreview = preview;
1004 m_closeButton = (wxButton *) NULL;
1005 m_nextPageButton = (wxButton *) NULL;
1006 m_previousPageButton = (wxButton *) NULL;
1007 m_printButton = (wxButton *) NULL;
1008 m_zoomControl = (wxChoice *) NULL;
1009 m_buttonFlags = buttons;
1010 }
1011
1012 wxPreviewControlBar::~wxPreviewControlBar()
1013 {
1014 }
1015
1016 void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
1017 {
1018 wxPaintDC dc(this);
1019
1020 int w, h;
1021 GetSize(&w, &h);
1022 dc.SetPen(*wxBLACK_PEN);
1023 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1024 dc.DrawLine( 0, h-1, w, h-1 );
1025 }
1026
1027 void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
1028 {
1029 wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
1030 frame->Close(true);
1031 }
1032
1033 void wxPreviewControlBar::OnPrint(void)
1034 {
1035 wxPrintPreviewBase *preview = GetPrintPreview();
1036 preview->Print(true);
1037 }
1038
1039 void wxPreviewControlBar::OnNext(void)
1040 {
1041 wxPrintPreviewBase *preview = GetPrintPreview();
1042 if (preview)
1043 {
1044 int currentPage = preview->GetCurrentPage();
1045 if ((preview->GetMaxPage() > 0) &&
1046 (currentPage < preview->GetMaxPage()) &&
1047 preview->GetPrintout()->HasPage(currentPage + 1))
1048 {
1049 preview->SetCurrentPage(currentPage + 1);
1050 }
1051 }
1052 }
1053
1054 void wxPreviewControlBar::OnPrevious(void)
1055 {
1056 wxPrintPreviewBase *preview = GetPrintPreview();
1057 if (preview)
1058 {
1059 int currentPage = preview->GetCurrentPage();
1060 if ((preview->GetMinPage() > 0) &&
1061 (currentPage > preview->GetMinPage()) &&
1062 preview->GetPrintout()->HasPage(currentPage - 1))
1063 {
1064 preview->SetCurrentPage(currentPage - 1);
1065 }
1066 }
1067 }
1068
1069 void wxPreviewControlBar::OnFirst(void)
1070 {
1071 wxPrintPreviewBase *preview = GetPrintPreview();
1072 if (preview)
1073 {
1074 int currentPage = preview->GetMinPage();
1075 if (preview->GetPrintout()->HasPage(currentPage))
1076 {
1077 preview->SetCurrentPage(currentPage);
1078 }
1079 }
1080 }
1081
1082 void wxPreviewControlBar::OnLast(void)
1083 {
1084 wxPrintPreviewBase *preview = GetPrintPreview();
1085 if (preview)
1086 {
1087 int currentPage = preview->GetMaxPage();
1088 if (preview->GetPrintout()->HasPage(currentPage))
1089 {
1090 preview->SetCurrentPage(currentPage);
1091 }
1092 }
1093 }
1094
1095 void wxPreviewControlBar::OnGoto(void)
1096 {
1097 wxPrintPreviewBase *preview = GetPrintPreview();
1098 if (preview)
1099 {
1100 long currentPage;
1101
1102 if (preview->GetMinPage() > 0)
1103 {
1104 wxString strPrompt;
1105 wxString strPage;
1106
1107 strPrompt.Printf( _("Enter a page number between %d and %d:"),
1108 preview->GetMinPage(), preview->GetMaxPage());
1109 strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
1110
1111 strPage =
1112 wxGetTextFromUser( strPrompt, _("Goto Page"), strPage, GetParent());
1113
1114 if ( strPage.ToLong( &currentPage ) )
1115 if (preview->GetPrintout()->HasPage(currentPage))
1116 {
1117 preview->SetCurrentPage(currentPage);
1118 }
1119 }
1120 }
1121 }
1122
1123 void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
1124 {
1125 int zoom = GetZoomControl();
1126 if (GetPrintPreview())
1127 GetPrintPreview()->SetZoom(zoom);
1128 }
1129
1130 void wxPreviewControlBar::CreateButtons()
1131 {
1132 SetSize(0, 0, 400, 40);
1133
1134 wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
1135
1136 m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
1137 item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1138
1139 if (m_buttonFlags & wxPREVIEW_PRINT)
1140 {
1141 m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
1142 item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1143 }
1144
1145 // Exact-fit buttons are too tiny on wxUniversal
1146 int navButtonStyle;
1147 wxSize navButtonSize;
1148 #ifdef __WXUNIVERSAL__
1149 navButtonStyle = 0;
1150 navButtonSize = wxSize(40, m_closeButton->GetSize().y);
1151 #else
1152 navButtonStyle = wxBU_EXACTFIT;
1153 navButtonSize = wxDefaultSize;
1154 #endif
1155
1156 if (m_buttonFlags & wxPREVIEW_FIRST)
1157 {
1158 m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
1159 item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1160 }
1161
1162 if (m_buttonFlags & wxPREVIEW_PREVIOUS)
1163 {
1164 m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, navButtonSize, navButtonStyle );
1165 item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1166 }
1167
1168 if (m_buttonFlags & wxPREVIEW_NEXT)
1169 {
1170 m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, navButtonSize, navButtonStyle );
1171 item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1172 }
1173
1174 if (m_buttonFlags & wxPREVIEW_LAST)
1175 {
1176 m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, navButtonSize, navButtonStyle );
1177 item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
1178 }
1179
1180 if (m_buttonFlags & wxPREVIEW_GOTO)
1181 {
1182 m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
1183 item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
1184 }
1185
1186 if (m_buttonFlags & wxPREVIEW_ZOOM)
1187 {
1188 wxString choices[] =
1189 {
1190 wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
1191 wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
1192 wxT("120%"), wxT("150%"), wxT("200%")
1193 };
1194 int n = WXSIZEOF(choices);
1195
1196 m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,wxDefaultCoord), n, choices, 0 );
1197 item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
1198 SetZoomControl(m_printPreview->GetZoom());
1199 }
1200
1201 SetSizer(item0);
1202 item0->Fit(this);
1203 }
1204
1205 void wxPreviewControlBar::SetZoomControl(int zoom)
1206 {
1207 if (m_zoomControl)
1208 {
1209 int n, count = m_zoomControl->GetCount();
1210 long val;
1211 for (n=0; n<count; n++)
1212 {
1213 if (m_zoomControl->GetString(n).BeforeFirst(wxT('%')).ToLong(&val) &&
1214 (val >= long(zoom)))
1215 {
1216 m_zoomControl->SetSelection(n);
1217 return;
1218 }
1219 }
1220
1221 m_zoomControl->SetSelection(count-1);
1222 }
1223 }
1224
1225 int wxPreviewControlBar::GetZoomControl()
1226 {
1227 if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxEmptyString))
1228 {
1229 long val;
1230 if (m_zoomControl->GetStringSelection().BeforeFirst(wxT('%')).ToLong(&val))
1231 return int(val);
1232 }
1233
1234 return 0;
1235 }
1236
1237
1238 /*
1239 * Preview frame
1240 */
1241
1242 IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
1243
1244 BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
1245 EVT_CHAR_HOOK(wxPreviewFrame::OnChar)
1246 EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
1247 END_EVENT_TABLE()
1248
1249 void wxPreviewFrame::OnChar(wxKeyEvent &event)
1250 {
1251 if ( event.GetKeyCode() == WXK_ESCAPE )
1252 {
1253 Close(true);
1254 }
1255 else
1256 {
1257 event.Skip();
1258 }
1259 }
1260
1261 wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxWindow *parent, const wxString& title,
1262 const wxPoint& pos, const wxSize& size, long style, const wxString& name):
1263 wxFrame(parent, wxID_ANY, title, pos, size, style, name)
1264 {
1265 m_printPreview = preview;
1266 m_controlBar = NULL;
1267 m_previewCanvas = NULL;
1268 m_windowDisabler = NULL;
1269
1270 // Give the application icon
1271 #ifdef __WXMSW__
1272 wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
1273 if (topFrame)
1274 SetIcon(topFrame->GetIcon());
1275 #endif
1276 }
1277
1278 wxPreviewFrame::~wxPreviewFrame()
1279 {
1280 }
1281
1282 void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
1283 {
1284 if (m_windowDisabler)
1285 delete m_windowDisabler;
1286
1287 // Need to delete the printout and the print preview
1288 wxPrintout *printout = m_printPreview->GetPrintout();
1289 if (printout)
1290 {
1291 delete printout;
1292 m_printPreview->SetPrintout(NULL);
1293 m_printPreview->SetCanvas(NULL);
1294 m_printPreview->SetFrame(NULL);
1295 }
1296
1297 m_previewCanvas->SetPreview(NULL);
1298 wxDELETE(m_printPreview);
1299
1300 Destroy();
1301 }
1302
1303 void wxPreviewFrame::Initialize()
1304 {
1305 #if wxUSE_STATUSBAR
1306 CreateStatusBar();
1307 #endif
1308 CreateCanvas();
1309 CreateControlBar();
1310
1311 m_printPreview->SetCanvas(m_previewCanvas);
1312 m_printPreview->SetFrame(this);
1313
1314 wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
1315
1316 item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1317 item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
1318
1319 SetAutoLayout( true );
1320 SetSizer( item0 );
1321
1322 m_windowDisabler = new wxWindowDisabler(this);
1323
1324 Layout();
1325
1326 m_printPreview->AdjustScrollbars(m_previewCanvas);
1327 m_previewCanvas->SetFocus();
1328 m_controlBar->SetFocus();
1329 }
1330
1331 void wxPreviewFrame::CreateCanvas()
1332 {
1333 m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
1334 }
1335
1336 void wxPreviewFrame::CreateControlBar()
1337 {
1338 long buttons = wxPREVIEW_DEFAULT;
1339 if (m_printPreview->GetPrintoutForPrinting())
1340 buttons |= wxPREVIEW_PRINT;
1341
1342 m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0,0), wxSize(400, 40));
1343 m_controlBar->CreateButtons();
1344 }
1345
1346 /*
1347 * Print preview
1348 */
1349
1350 IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
1351
1352 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1353 wxPrintout *printoutForPrinting,
1354 wxPrintData *data)
1355 {
1356 if (data)
1357 m_printDialogData = (*data);
1358
1359 Init(printout, printoutForPrinting);
1360 }
1361
1362 wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
1363 wxPrintout *printoutForPrinting,
1364 wxPrintDialogData *data)
1365 {
1366 if (data)
1367 m_printDialogData = (*data);
1368
1369 Init(printout, printoutForPrinting);
1370 }
1371
1372 void wxPrintPreviewBase::Init(wxPrintout *printout,
1373 wxPrintout *printoutForPrinting)
1374 {
1375 m_isOk = true;
1376 m_previewPrintout = printout;
1377 if (m_previewPrintout)
1378 m_previewPrintout->SetIsPreview(true);
1379
1380 m_printPrintout = printoutForPrinting;
1381
1382 m_previewCanvas = NULL;
1383 m_previewFrame = NULL;
1384 m_previewBitmap = NULL;
1385 m_previewFailed = false;
1386 m_currentPage = 1;
1387 m_currentZoom = 70;
1388 m_topMargin = 40;
1389 m_leftMargin = 40;
1390 m_pageWidth = 0;
1391 m_pageHeight = 0;
1392 m_printingPrepared = false;
1393 m_minPage = 1;
1394 m_maxPage = 1;
1395 }
1396
1397 wxPrintPreviewBase::~wxPrintPreviewBase()
1398 {
1399 if (m_previewPrintout)
1400 delete m_previewPrintout;
1401 if (m_previewBitmap)
1402 delete m_previewBitmap;
1403 if (m_printPrintout)
1404 delete m_printPrintout;
1405 }
1406
1407 bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
1408 {
1409 if (m_currentPage == pageNum)
1410 return true;
1411
1412 m_currentPage = pageNum;
1413
1414 InvalidatePreviewBitmap();
1415
1416 if (m_previewCanvas)
1417 {
1418 AdjustScrollbars(m_previewCanvas);
1419
1420 m_previewCanvas->Refresh();
1421 m_previewCanvas->SetFocus();
1422 }
1423 return true;
1424 }
1425
1426 int wxPrintPreviewBase::GetCurrentPage() const
1427 { return m_currentPage; }
1428 void wxPrintPreviewBase::SetPrintout(wxPrintout *printout)
1429 { m_previewPrintout = printout; }
1430 wxPrintout *wxPrintPreviewBase::GetPrintout() const
1431 { return m_previewPrintout; }
1432 wxPrintout *wxPrintPreviewBase::GetPrintoutForPrinting() const
1433 { return m_printPrintout; }
1434 void wxPrintPreviewBase::SetFrame(wxFrame *frame)
1435 { m_previewFrame = frame; }
1436 void wxPrintPreviewBase::SetCanvas(wxPreviewCanvas *canvas)
1437 { m_previewCanvas = canvas; }
1438 wxFrame *wxPrintPreviewBase::GetFrame() const
1439 { return m_previewFrame; }
1440 wxPreviewCanvas *wxPrintPreviewBase::GetCanvas() const
1441 { return m_previewCanvas; }
1442
1443 void wxPrintPreviewBase::CalcRects(wxPreviewCanvas *canvas, wxRect& pageRect, wxRect& paperRect)
1444 {
1445 // Calculate the rectangles for the printable area of the page and the
1446 // entire paper as they appear on the canvas on-screen.
1447 int canvasWidth, canvasHeight;
1448 canvas->GetSize(&canvasWidth, &canvasHeight);
1449
1450 float zoomScale = float(m_currentZoom) / 100;
1451 float screenPrintableWidth = zoomScale * m_pageWidth * m_previewScaleX;
1452 float screenPrintableHeight = zoomScale * m_pageHeight * m_previewScaleY;
1453
1454 wxRect devicePaperRect = m_previewPrintout->GetPaperRectPixels();
1455 wxCoord devicePrintableWidth, devicePrintableHeight;
1456 m_previewPrintout->GetPageSizePixels(&devicePrintableWidth, &devicePrintableHeight);
1457 float scaleX = screenPrintableWidth / devicePrintableWidth;
1458 float scaleY = screenPrintableHeight / devicePrintableHeight;
1459 paperRect.width = wxCoord(scaleX * devicePaperRect.width);
1460 paperRect.height = wxCoord(scaleY * devicePaperRect.height);
1461
1462 paperRect.x = wxCoord((canvasWidth - paperRect.width)/ 2.0);
1463 if (paperRect.x < m_leftMargin)
1464 paperRect.x = m_leftMargin;
1465 paperRect.y = wxCoord((canvasHeight - paperRect.height)/ 2.0);
1466 if (paperRect.y < m_topMargin)
1467 paperRect.y = m_topMargin;
1468
1469 pageRect.x = paperRect.x - wxCoord(scaleX * devicePaperRect.x);
1470 pageRect.y = paperRect.y - wxCoord(scaleY * devicePaperRect.y);
1471 pageRect.width = wxCoord(screenPrintableWidth);
1472 pageRect.height = wxCoord(screenPrintableHeight);
1473 }
1474
1475
1476 void wxPrintPreviewBase::InvalidatePreviewBitmap()
1477 {
1478 wxDELETE(m_previewBitmap);
1479 // if there was a problem with rendering the preview, try again now
1480 // that it changed in some way (less memory may be needed, for example):
1481 m_previewFailed = false;
1482 }
1483
1484 bool wxPrintPreviewBase::UpdatePageRendering()
1485 {
1486 if ( m_previewBitmap )
1487 return false;
1488
1489 if ( m_previewFailed )
1490 return false;
1491
1492 if ( !RenderPage(m_currentPage) )
1493 {
1494 m_previewFailed = true; // don't waste time failing again
1495 return false;
1496 }
1497
1498 return true;
1499 }
1500
1501 bool wxPrintPreviewBase::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1502 {
1503 DrawBlankPage(canvas, dc);
1504
1505 if (!m_previewBitmap)
1506 return false;
1507 if (!canvas)
1508 return false;
1509
1510 wxRect pageRect, paperRect;
1511 CalcRects(canvas, pageRect, paperRect);
1512 wxMemoryDC temp_dc;
1513 temp_dc.SelectObject(*m_previewBitmap);
1514
1515 dc.Blit(pageRect.x, pageRect.y,
1516 m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
1517
1518 temp_dc.SelectObject(wxNullBitmap);
1519 return true;
1520 }
1521
1522 // Adjusts the scrollbars for the current scale
1523 void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas)
1524 {
1525 if (!canvas)
1526 return ;
1527
1528 wxRect pageRect, paperRect;
1529 CalcRects(canvas, pageRect, paperRect);
1530 int totalWidth = paperRect.width + 2 * m_leftMargin;
1531 int totalHeight = paperRect.height + 2 * m_topMargin;
1532 int scrollUnitsX = totalWidth / 10;
1533 int scrollUnitsY = totalHeight / 10;
1534 wxSize virtualSize = canvas->GetVirtualSize();
1535 if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
1536 canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, true);
1537 }
1538
1539 bool wxPrintPreviewBase::RenderPageIntoDC(wxDC& dc, int pageNum)
1540 {
1541 m_previewPrintout->SetDC(&dc);
1542 m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
1543
1544 // Need to delay OnPreparePrinting() until here, so we have enough
1545 // information.
1546 if (!m_printingPrepared)
1547 {
1548 m_previewPrintout->OnPreparePrinting();
1549 int selFrom, selTo;
1550 m_previewPrintout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
1551 m_printingPrepared = true;
1552 }
1553
1554 m_previewPrintout->OnBeginPrinting();
1555
1556 if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
1557 {
1558 wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
1559 return false;
1560 }
1561
1562 m_previewPrintout->OnPrintPage(pageNum);
1563 m_previewPrintout->OnEndDocument();
1564 m_previewPrintout->OnEndPrinting();
1565
1566 m_previewPrintout->SetDC(NULL);
1567
1568 return true;
1569 }
1570
1571 bool wxPrintPreviewBase::RenderPageIntoBitmap(wxBitmap& bmp, int pageNum)
1572 {
1573 wxMemoryDC memoryDC;
1574 memoryDC.SelectObject(bmp);
1575 memoryDC.Clear();
1576
1577 return RenderPageIntoDC(memoryDC, pageNum);
1578 }
1579
1580 bool wxPrintPreviewBase::RenderPage(int pageNum)
1581 {
1582 wxBusyCursor busy;
1583
1584 if (!m_previewCanvas)
1585 {
1586 wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
1587 return false;
1588 }
1589
1590 wxRect pageRect, paperRect;
1591 CalcRects(m_previewCanvas, pageRect, paperRect);
1592
1593 if (!m_previewBitmap)
1594 {
1595 m_previewBitmap = new wxBitmap(pageRect.width, pageRect.height);
1596
1597 if (!m_previewBitmap || !m_previewBitmap->Ok())
1598 {
1599 InvalidatePreviewBitmap();
1600 wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
1601 return false;
1602 }
1603 }
1604
1605 if ( !RenderPageIntoBitmap(*m_previewBitmap, pageNum) )
1606 {
1607 InvalidatePreviewBitmap();
1608 wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
1609 return false;
1610 }
1611
1612 #if wxUSE_STATUSBAR
1613 wxString status;
1614 if (m_maxPage != 0)
1615 status = wxString::Format(_("Page %d of %d"), pageNum, m_maxPage);
1616 else
1617 status = wxString::Format(_("Page %d"), pageNum);
1618
1619 if (m_previewFrame)
1620 m_previewFrame->SetStatusText(status);
1621 #endif
1622
1623 return true;
1624 }
1625
1626 bool wxPrintPreviewBase::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1627 {
1628 wxRect pageRect, paperRect;
1629
1630 CalcRects(canvas, pageRect, paperRect);
1631
1632 // Draw shadow, allowing for 1-pixel border AROUND the actual paper
1633 wxCoord shadowOffset = 4;
1634
1635 dc.SetPen(*wxBLACK_PEN);
1636 dc.SetBrush(*wxBLACK_BRUSH);
1637 dc.DrawRectangle(paperRect.x + shadowOffset, paperRect.y + paperRect.height + 1,
1638 paperRect.width, shadowOffset);
1639
1640 dc.DrawRectangle(paperRect.x + paperRect.width, paperRect.y + shadowOffset,
1641 shadowOffset, paperRect.height);
1642
1643 // Draw blank page allowing for 1-pixel border AROUND the actual paper
1644 dc.SetPen(*wxBLACK_PEN);
1645 dc.SetBrush(*wxWHITE_BRUSH);
1646 dc.DrawRectangle(paperRect.x - 2, paperRect.y - 1,
1647 paperRect.width + 3, paperRect.height + 2);
1648
1649 return true;
1650 }
1651
1652 void wxPrintPreviewBase::SetZoom(int percent)
1653 {
1654 if (m_currentZoom == percent)
1655 return;
1656
1657 m_currentZoom = percent;
1658
1659 InvalidatePreviewBitmap();
1660
1661 if (m_previewCanvas)
1662 {
1663 AdjustScrollbars(m_previewCanvas);
1664 ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
1665 m_previewCanvas->ClearBackground();
1666 m_previewCanvas->Refresh();
1667 m_previewCanvas->SetFocus();
1668 }
1669 }
1670
1671 wxPrintDialogData& wxPrintPreviewBase::GetPrintDialogData()
1672 {
1673 return m_printDialogData;
1674 }
1675
1676 int wxPrintPreviewBase::GetZoom() const
1677 { return m_currentZoom; }
1678 int wxPrintPreviewBase::GetMaxPage() const
1679 { return m_maxPage; }
1680 int wxPrintPreviewBase::GetMinPage() const
1681 { return m_minPage; }
1682 bool wxPrintPreviewBase::IsOk() const
1683 { return m_isOk; }
1684 void wxPrintPreviewBase::SetOk(bool ok)
1685 { m_isOk = ok; }
1686
1687 //----------------------------------------------------------------------------
1688 // wxPrintPreview
1689 //----------------------------------------------------------------------------
1690
1691 IMPLEMENT_CLASS(wxPrintPreview, wxPrintPreviewBase)
1692
1693 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1694 wxPrintout *printoutForPrinting,
1695 wxPrintDialogData *data) :
1696 wxPrintPreviewBase( printout, printoutForPrinting, data )
1697 {
1698 m_pimpl = wxPrintFactory::GetFactory()->
1699 CreatePrintPreview( printout, printoutForPrinting, data );
1700 }
1701
1702 wxPrintPreview::wxPrintPreview(wxPrintout *printout,
1703 wxPrintout *printoutForPrinting,
1704 wxPrintData *data ) :
1705 wxPrintPreviewBase( printout, printoutForPrinting, data )
1706 {
1707 m_pimpl = wxPrintFactory::GetFactory()->
1708 CreatePrintPreview( printout, printoutForPrinting, data );
1709 }
1710
1711 wxPrintPreview::~wxPrintPreview()
1712 {
1713 delete m_pimpl;
1714
1715 // don't delete twice
1716 m_printPrintout = NULL;
1717 m_previewPrintout = NULL;
1718 m_previewBitmap = NULL;
1719 }
1720
1721 bool wxPrintPreview::SetCurrentPage(int pageNum)
1722 {
1723 return m_pimpl->SetCurrentPage( pageNum );
1724 }
1725
1726 int wxPrintPreview::GetCurrentPage() const
1727 {
1728 return m_pimpl->GetCurrentPage();
1729 }
1730
1731 void wxPrintPreview::SetPrintout(wxPrintout *printout)
1732 {
1733 m_pimpl->SetPrintout( printout );
1734 }
1735
1736 wxPrintout *wxPrintPreview::GetPrintout() const
1737 {
1738 return m_pimpl->GetPrintout();
1739 }
1740
1741 wxPrintout *wxPrintPreview::GetPrintoutForPrinting() const
1742 {
1743 return m_pimpl->GetPrintoutForPrinting();
1744 }
1745
1746 void wxPrintPreview::SetFrame(wxFrame *frame)
1747 {
1748 m_pimpl->SetFrame( frame );
1749 }
1750
1751 void wxPrintPreview::SetCanvas(wxPreviewCanvas *canvas)
1752 {
1753 m_pimpl->SetCanvas( canvas );
1754 }
1755
1756 wxFrame *wxPrintPreview::GetFrame() const
1757 {
1758 return m_pimpl->GetFrame();
1759 }
1760
1761 wxPreviewCanvas *wxPrintPreview::GetCanvas() const
1762 {
1763 return m_pimpl->GetCanvas();
1764 }
1765
1766 bool wxPrintPreview::PaintPage(wxPreviewCanvas *canvas, wxDC& dc)
1767 {
1768 return m_pimpl->PaintPage( canvas, dc );
1769 }
1770
1771 bool wxPrintPreview::UpdatePageRendering()
1772 {
1773 return m_pimpl->UpdatePageRendering();
1774 }
1775
1776 bool wxPrintPreview::DrawBlankPage(wxPreviewCanvas *canvas, wxDC& dc)
1777 {
1778 return m_pimpl->DrawBlankPage( canvas, dc );
1779 }
1780
1781 void wxPrintPreview::AdjustScrollbars(wxPreviewCanvas *canvas)
1782 {
1783 m_pimpl->AdjustScrollbars( canvas );
1784 }
1785
1786 bool wxPrintPreview::RenderPage(int pageNum)
1787 {
1788 return m_pimpl->RenderPage( pageNum );
1789 }
1790
1791 void wxPrintPreview::SetZoom(int percent)
1792 {
1793 m_pimpl->SetZoom( percent );
1794 }
1795
1796 int wxPrintPreview::GetZoom() const
1797 {
1798 return m_pimpl->GetZoom();
1799 }
1800
1801 wxPrintDialogData& wxPrintPreview::GetPrintDialogData()
1802 {
1803 return m_pimpl->GetPrintDialogData();
1804 }
1805
1806 int wxPrintPreview::GetMaxPage() const
1807 {
1808 return m_pimpl->GetMaxPage();
1809 }
1810
1811 int wxPrintPreview::GetMinPage() const
1812 {
1813 return m_pimpl->GetMinPage();
1814 }
1815
1816 bool wxPrintPreview::IsOk() const
1817 {
1818 return m_pimpl->Ok();
1819 }
1820
1821 void wxPrintPreview::SetOk(bool ok)
1822 {
1823 m_pimpl->SetOk( ok );
1824 }
1825
1826 bool wxPrintPreview::Print(bool interactive)
1827 {
1828 return m_pimpl->Print( interactive );
1829 }
1830
1831 void wxPrintPreview::DetermineScaling()
1832 {
1833 m_pimpl->DetermineScaling();
1834 }
1835
1836 #endif // wxUSE_PRINTING_ARCHITECTURE
wxWidgets (Impactor)