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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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 and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "prntbase.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #include "wx/defs.h" | |
24 | ||
25 | #if wxUSE_PRINTING_ARCHITECTURE | |
26 | ||
27 | #ifndef WX_PRECOMP | |
28 | #include "wx/utils.h" | |
29 | #include "wx/dc.h" | |
30 | #include "wx/app.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/stattext.h" | |
38 | #include "wx/intl.h" | |
39 | #include "wx/textdlg.h" | |
40 | #endif | |
41 | ||
42 | #include "wx/prntbase.h" | |
43 | #include "wx/dcprint.h" | |
44 | #include "wx/printdlg.h" | |
45 | #include "wx/module.h" | |
46 | ||
47 | #include <stdlib.h> | |
48 | #include <string.h> | |
49 | ||
50 | #include <wx/sizer.h> | |
51 | ||
52 | #ifdef __WXMSW__ | |
53 | #include "wx/msw/private.h" | |
54 | #include <commdlg.h> | |
55 | ||
56 | #ifndef __WIN32__ | |
57 | #include <print.h> | |
58 | #endif | |
59 | #endif // __WXMSW__ | |
60 | ||
61 | IMPLEMENT_CLASS(wxPrinterBase, wxObject) | |
62 | IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject) | |
63 | IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow) | |
64 | IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow) | |
65 | IMPLEMENT_CLASS(wxPreviewFrame, wxFrame) | |
66 | IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject) | |
67 | ||
68 | BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog) | |
69 | EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel) | |
70 | END_EVENT_TABLE() | |
71 | ||
72 | BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow) | |
73 | EVT_PAINT(wxPreviewCanvas::OnPaint) | |
74 | EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged) | |
75 | END_EVENT_TABLE() | |
76 | ||
77 | /* | |
78 | * Printer | |
79 | */ | |
80 | ||
81 | wxPrinterBase::wxPrinterBase(wxPrintDialogData *data) | |
82 | { | |
83 | m_currentPrintout = (wxPrintout *) NULL; | |
84 | sm_abortWindow = (wxWindow *) NULL; | |
85 | sm_abortIt = FALSE; | |
86 | if (data) | |
87 | m_printDialogData = (*data); | |
88 | sm_lastError = wxPRINTER_NO_ERROR; | |
89 | } | |
90 | ||
91 | wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL; | |
92 | bool wxPrinterBase::sm_abortIt = FALSE; | |
93 | wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR; | |
94 | ||
95 | wxPrinterBase::~wxPrinterBase() | |
96 | { | |
97 | } | |
98 | ||
99 | void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event)) | |
100 | { | |
101 | wxPrinterBase::sm_abortIt = TRUE; | |
102 | wxPrinterBase::sm_abortWindow->Show(FALSE); | |
103 | wxPrinterBase::sm_abortWindow->Close(TRUE); | |
104 | wxPrinterBase::sm_abortWindow = (wxWindow *) NULL; | |
105 | } | |
106 | ||
107 | wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout) | |
108 | { | |
109 | wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE); | |
110 | ||
111 | wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL ); | |
112 | button_sizer->Add( new wxStaticText(dialog, -1, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 ); | |
113 | button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 ); | |
114 | ||
115 | dialog->SetAutoLayout( TRUE ); | |
116 | dialog->SetSizer( button_sizer ); | |
117 | ||
118 | button_sizer->Fit(dialog); | |
119 | button_sizer->SetSizeHints (dialog) ; | |
120 | ||
121 | return dialog; | |
122 | } | |
123 | ||
124 | void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message) | |
125 | { | |
126 | wxMessageBox(message, _("Printing Error"), wxOK, parent); | |
127 | } | |
128 | ||
129 | /* | |
130 | * Printout class | |
131 | */ | |
132 | ||
133 | wxPrintout::wxPrintout(const wxString& title) | |
134 | { | |
135 | m_printoutTitle = title ; | |
136 | m_printoutDC = (wxDC *) NULL; | |
137 | m_pageWidthMM = 0; | |
138 | m_pageHeightMM = 0; | |
139 | m_pageWidthPixels = 0; | |
140 | m_pageHeightPixels = 0; | |
141 | m_PPIScreenX = 0; | |
142 | m_PPIScreenY = 0; | |
143 | m_PPIPrinterX = 0; | |
144 | m_PPIPrinterY = 0; | |
145 | m_isPreview = FALSE; | |
146 | } | |
147 | ||
148 | wxPrintout::~wxPrintout() | |
149 | { | |
150 | } | |
151 | ||
152 | bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage)) | |
153 | { | |
154 | return GetDC()->StartDoc(_("Printing ") + m_printoutTitle); | |
155 | } | |
156 | ||
157 | void wxPrintout::OnEndDocument() | |
158 | { | |
159 | GetDC()->EndDoc(); | |
160 | } | |
161 | ||
162 | void wxPrintout::OnBeginPrinting() | |
163 | { | |
164 | } | |
165 | ||
166 | void wxPrintout::OnEndPrinting() | |
167 | { | |
168 | } | |
169 | ||
170 | bool wxPrintout::HasPage(int page) | |
171 | { | |
172 | return (page == 1); | |
173 | } | |
174 | ||
175 | void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage) | |
176 | { | |
177 | *minPage = 1; | |
178 | *maxPage = 32000; | |
179 | *fromPage = 1; | |
180 | *toPage = 1; | |
181 | } | |
182 | ||
183 | /* | |
184 | * Preview canvas | |
185 | */ | |
186 | ||
187 | wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent, | |
188 | const wxPoint& pos, const wxSize& size, long style, const wxString& name): | |
189 | wxScrolledWindow(parent, -1, pos, size, style, name) | |
190 | { | |
191 | m_printPreview = preview; | |
192 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE)); | |
193 | ||
194 | SetScrollbars(15, 18, 100, 100); | |
195 | } | |
196 | ||
197 | wxPreviewCanvas::~wxPreviewCanvas() | |
198 | { | |
199 | } | |
200 | ||
201 | void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) | |
202 | { | |
203 | wxPaintDC dc(this); | |
204 | PrepareDC( dc ); | |
205 | ||
206 | /* | |
207 | #ifdef __WXGTK__ | |
208 | if (!GetUpdateRegion().IsEmpty()) | |
209 | dc.SetClippingRegion( GetUpdateRegion() ); | |
210 | #endif | |
211 | */ | |
212 | ||
213 | if (m_printPreview) | |
214 | { | |
215 | m_printPreview->PaintPage(this, dc); | |
216 | } | |
217 | } | |
218 | ||
219 | // Responds to colour changes, and passes event on to children. | |
220 | void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event) | |
221 | { | |
222 | SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE)); | |
223 | Refresh(); | |
224 | ||
225 | // Propagate the event to the non-top-level children | |
226 | wxWindow::OnSysColourChanged(event); | |
227 | } | |
228 | ||
229 | /* | |
230 | * Preview control bar | |
231 | */ | |
232 | ||
233 | BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel) | |
234 | EVT_BUTTON(wxID_PREVIEW_CLOSE, wxPreviewControlBar::OnWindowClose) | |
235 | EVT_BUTTON(wxID_PREVIEW_PRINT, wxPreviewControlBar::OnPrint) | |
236 | EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton) | |
237 | EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNextButton) | |
238 | EVT_BUTTON(wxID_PREVIEW_FIRST, wxPreviewControlBar::OnFirstButton) | |
239 | EVT_BUTTON(wxID_PREVIEW_LAST, wxPreviewControlBar::OnLastButton) | |
240 | EVT_BUTTON(wxID_PREVIEW_GOTO, wxPreviewControlBar::OnGotoButton) | |
241 | EVT_CHAR(wxPreviewControlBar::OnChar) | |
242 | EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom) | |
243 | EVT_PAINT(wxPreviewControlBar::OnPaint) | |
244 | END_EVENT_TABLE() | |
245 | ||
246 | wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons, | |
247 | wxWindow *parent, const wxPoint& pos, const wxSize& size, | |
248 | long style, const wxString& name): | |
249 | wxPanel(parent, -1, pos, size, style, name) | |
250 | { | |
251 | m_printPreview = preview; | |
252 | m_closeButton = (wxButton *) NULL; | |
253 | m_nextPageButton = (wxButton *) NULL; | |
254 | m_previousPageButton = (wxButton *) NULL; | |
255 | m_printButton = (wxButton *) NULL; | |
256 | m_zoomControl = (wxChoice *) NULL; | |
257 | m_buttonFlags = buttons; | |
258 | } | |
259 | ||
260 | wxPreviewControlBar::~wxPreviewControlBar() | |
261 | { | |
262 | } | |
263 | ||
264 | void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event)) | |
265 | { | |
266 | wxPaintDC dc(this); | |
267 | ||
268 | int w, h; | |
269 | GetSize(&w, &h); | |
270 | dc.SetPen(*wxBLACK_PEN); | |
271 | dc.SetBrush(*wxTRANSPARENT_BRUSH); | |
272 | dc.DrawLine( 0, h-1, w, h-1 ); | |
273 | } | |
274 | ||
275 | void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event)) | |
276 | { | |
277 | wxPreviewFrame *frame = (wxPreviewFrame *)GetParent(); | |
278 | frame->Close(TRUE); | |
279 | } | |
280 | ||
281 | void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event)) | |
282 | { | |
283 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
284 | preview->Print(TRUE); | |
285 | } | |
286 | ||
287 | void wxPreviewControlBar::OnChar(wxKeyEvent &event) | |
288 | { | |
289 | switch(event.KeyCode()) | |
290 | { | |
291 | case WXK_NEXT: | |
292 | OnNext(); break; | |
293 | case WXK_PRIOR: | |
294 | OnPrevious(); break; | |
295 | case WXK_HOME: | |
296 | OnFirst(); break; | |
297 | case WXK_END: | |
298 | OnLast(); break; | |
299 | case WXK_TAB: | |
300 | OnGoto(); break; | |
301 | default: | |
302 | event.Skip(); | |
303 | } | |
304 | } | |
305 | ||
306 | void wxPreviewControlBar::OnNext(void) | |
307 | { | |
308 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
309 | if (preview) | |
310 | { | |
311 | int currentPage = preview->GetCurrentPage(); | |
312 | if ((preview->GetMaxPage() > 0) && | |
313 | (currentPage < preview->GetMaxPage()) && | |
314 | preview->GetPrintout()->HasPage(currentPage + 1)) | |
315 | { | |
316 | preview->SetCurrentPage(currentPage + 1); | |
317 | } | |
318 | } | |
319 | } | |
320 | ||
321 | void wxPreviewControlBar::OnPrevious(void) | |
322 | { | |
323 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
324 | if (preview) | |
325 | { | |
326 | int currentPage = preview->GetCurrentPage(); | |
327 | if ((preview->GetMinPage() > 0) && | |
328 | (currentPage > preview->GetMinPage()) && | |
329 | preview->GetPrintout()->HasPage(currentPage - 1)) | |
330 | { | |
331 | preview->SetCurrentPage(currentPage - 1); | |
332 | } | |
333 | } | |
334 | } | |
335 | ||
336 | void wxPreviewControlBar::OnFirst(void) | |
337 | { | |
338 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
339 | if (preview) | |
340 | { | |
341 | int currentPage = preview->GetMinPage(); | |
342 | if (preview->GetPrintout()->HasPage(currentPage)) | |
343 | { | |
344 | preview->SetCurrentPage(currentPage); | |
345 | } | |
346 | } | |
347 | } | |
348 | ||
349 | void wxPreviewControlBar::OnLast(void) | |
350 | { | |
351 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
352 | if (preview) | |
353 | { | |
354 | int currentPage = preview->GetMaxPage(); | |
355 | if (preview->GetPrintout()->HasPage(currentPage)) | |
356 | { | |
357 | preview->SetCurrentPage(currentPage); | |
358 | } | |
359 | } | |
360 | } | |
361 | ||
362 | void wxPreviewControlBar::OnGoto(void) | |
363 | { | |
364 | wxPrintPreviewBase *preview = GetPrintPreview(); | |
365 | if (preview) | |
366 | { | |
367 | long currentPage; | |
368 | ||
369 | if (preview->GetMinPage() > 0) | |
370 | { | |
371 | wxString strPrompt; | |
372 | wxString strPage; | |
373 | ||
374 | strPrompt.Printf( _("%d...%d"), | |
375 | preview->GetMinPage(), preview->GetMaxPage()); | |
376 | strPage.Printf( _("%d"), preview->GetCurrentPage() ); | |
377 | ||
378 | strPage = | |
379 | wxGetTextFromUser( strPrompt, _("Goto Page"), strPage); | |
380 | ||
381 | if ( strPage.ToLong( ¤tPage ) ) | |
382 | if (preview->GetPrintout()->HasPage(currentPage)) | |
383 | { | |
384 | preview->SetCurrentPage(currentPage); | |
385 | } | |
386 | } | |
387 | } | |
388 | } | |
389 | ||
390 | void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event)) | |
391 | { | |
392 | int zoom = GetZoomControl(); | |
393 | if (GetPrintPreview()) | |
394 | GetPrintPreview()->SetZoom(zoom); | |
395 | } | |
396 | ||
397 | void wxPreviewControlBar::CreateButtons() | |
398 | { | |
399 | SetSize(0, 0, 400, 40); | |
400 | ||
401 | /* | |
402 | #ifdef __WXMSW__ | |
403 | int fontSize = 9; | |
404 | #else | |
405 | int fontSize = 10; | |
406 | #endif | |
407 | ||
408 | wxFont buttonFont(fontSize, wxSWISS, wxNORMAL, wxBOLD); | |
409 | SetFont(buttonFont); | |
410 | */ | |
411 | ||
412 | int buttonWidth = 60; | |
413 | int buttonNavigation = 30; | |
414 | #ifdef __WXGTK__ | |
415 | int buttonHeight = -1; | |
416 | #else | |
417 | int buttonHeight = 24; | |
418 | #endif | |
419 | ||
420 | int x = 5; | |
421 | int y = 5; | |
422 | ||
423 | #ifdef __WXMOTIF__ | |
424 | int gap = 15; | |
425 | #else | |
426 | int gap = 5; | |
427 | #endif | |
428 | ||
429 | m_closeButton = new wxButton(this, wxID_PREVIEW_CLOSE, _("Close"), | |
430 | wxPoint(x, y), wxSize(buttonWidth, buttonHeight)); | |
431 | ||
432 | x += gap + buttonWidth; | |
433 | ||
434 | if (m_buttonFlags & wxPREVIEW_PRINT) | |
435 | { | |
436 | m_printButton = new wxButton(this, wxID_PREVIEW_PRINT, _("Print..."), wxPoint(x, y), | |
437 | wxSize(buttonWidth, buttonHeight)); | |
438 | x += gap + buttonWidth; | |
439 | } | |
440 | ||
441 | if (m_buttonFlags & wxPREVIEW_FIRST) | |
442 | { | |
443 | m_firstPageButton = new wxButton(this, wxID_PREVIEW_FIRST, wxT("|<<"), wxPoint(x, y), | |
444 | wxSize(buttonNavigation, buttonHeight)); | |
445 | x += gap + buttonNavigation; | |
446 | } | |
447 | ||
448 | if (m_buttonFlags & wxPREVIEW_PREVIOUS) | |
449 | { | |
450 | m_previousPageButton = new wxButton(this, wxID_PREVIEW_PREVIOUS, wxT("<<"), wxPoint(x, y), | |
451 | wxSize(buttonNavigation, buttonHeight)); | |
452 | x += gap + buttonNavigation; | |
453 | } | |
454 | ||
455 | if (m_buttonFlags & wxPREVIEW_NEXT) | |
456 | { | |
457 | m_nextPageButton = new wxButton(this, wxID_PREVIEW_NEXT, wxT(">>"), | |
458 | wxPoint(x, y), wxSize(buttonNavigation, buttonHeight)); | |
459 | x += gap + buttonNavigation; | |
460 | } | |
461 | ||
462 | if (m_buttonFlags & wxPREVIEW_LAST) | |
463 | { | |
464 | m_lastPageButton = new wxButton(this, wxID_PREVIEW_LAST, wxT(">>|"), wxPoint(x, y), | |
465 | wxSize(buttonNavigation, buttonHeight)); | |
466 | x += gap + buttonNavigation; | |
467 | } | |
468 | ||
469 | if (m_buttonFlags & wxPREVIEW_GOTO) | |
470 | { | |
471 | m_gotoPageButton = new wxButton(this, wxID_PREVIEW_GOTO, wxT("Goto..."), wxPoint(x, y), | |
472 | wxSize(buttonWidth, buttonHeight)); | |
473 | x += gap + buttonWidth; | |
474 | } | |
475 | ||
476 | if (m_buttonFlags & wxPREVIEW_ZOOM) | |
477 | { | |
478 | static const char *choices[] = | |
479 | { | |
480 | "10%", "15%", "20%", "25%", "30%", "35%", "40%", "45%", "50%", "55%", | |
481 | "60%", "65%", "70%", "75%", "80%", "85%", "90%", "95%", "100%", "110%", | |
482 | "120%", "150%", "200%" | |
483 | }; | |
484 | ||
485 | int n = WXSIZEOF(choices); | |
486 | ||
487 | wxString* strings = new wxString[n]; | |
488 | int i; | |
489 | for (i = 0; i < n; i++ ) | |
490 | strings[i] = choices[i]; | |
491 | ||
492 | m_zoomControl = new wxChoice(this, wxID_PREVIEW_ZOOM, | |
493 | wxPoint(x, y), | |
494 | wxSize(100, -1), | |
495 | n, | |
496 | strings | |
497 | ); | |
498 | delete[] strings; | |
499 | ||
500 | SetZoomControl(m_printPreview->GetZoom()); | |
501 | } | |
502 | ||
503 | // m_closeButton->SetDefault(); | |
504 | } | |
505 | ||
506 | void wxPreviewControlBar::SetZoomControl(int zoom) | |
507 | { | |
508 | char buf[20]; | |
509 | sprintf(buf, "%d%%", zoom); | |
510 | // Someone is calling methods that do no exist in wxChoice!! So I'll just comment out for VA for now | |
511 | if (m_zoomControl) | |
512 | m_zoomControl->SetStringSelection(buf); | |
513 | } | |
514 | ||
515 | int wxPreviewControlBar::GetZoomControl() | |
516 | { | |
517 | wxChar buf[20]; | |
518 | if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxT(""))) | |
519 | { | |
520 | wxStrcpy(buf, m_zoomControl->GetStringSelection()); | |
521 | buf[wxStrlen(buf) - 1] = 0; | |
522 | return (int)wxAtoi(buf); | |
523 | } | |
524 | else return 0; | |
525 | } | |
526 | ||
527 | ||
528 | /* | |
529 | * Preview frame | |
530 | */ | |
531 | ||
532 | BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame) | |
533 | EVT_CLOSE(wxPreviewFrame::OnCloseWindow) | |
534 | END_EVENT_TABLE() | |
535 | ||
536 | wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxFrame *parent, const wxString& title, | |
537 | const wxPoint& pos, const wxSize& size, long style, const wxString& name): | |
538 | wxFrame(parent, -1, title, pos, size, style, name) | |
539 | { | |
540 | m_printPreview = preview; | |
541 | m_controlBar = NULL; | |
542 | m_previewCanvas = NULL; | |
543 | } | |
544 | ||
545 | wxPreviewFrame::~wxPreviewFrame() | |
546 | { | |
547 | } | |
548 | ||
549 | void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) | |
550 | { | |
551 | MakeModal(FALSE); | |
552 | ||
553 | // Need to delete the printout and the print preview | |
554 | wxPrintout *printout = m_printPreview->GetPrintout(); | |
555 | if (printout) | |
556 | { | |
557 | delete printout; | |
558 | m_printPreview->SetPrintout(NULL); | |
559 | m_printPreview->SetCanvas(NULL); | |
560 | m_printPreview->SetFrame(NULL); | |
561 | } | |
562 | delete m_printPreview; | |
563 | ||
564 | Destroy(); | |
565 | } | |
566 | ||
567 | void wxPreviewFrame::Initialize() | |
568 | { | |
569 | CreateStatusBar(); | |
570 | ||
571 | CreateCanvas(); | |
572 | CreateControlBar(); | |
573 | ||
574 | m_printPreview->SetCanvas(m_previewCanvas); | |
575 | m_printPreview->SetFrame(this); | |
576 | ||
577 | // Set layout constraints here | |
578 | ||
579 | // Control bar constraints | |
580 | wxLayoutConstraints *c1 = new wxLayoutConstraints; | |
581 | // int w, h; | |
582 | // m_controlBar->GetSize(&w, &h); | |
583 | int h; | |
584 | #if (defined(__WXMSW__) || defined(__WXGTK__)) | |
585 | h = 40; | |
586 | #else | |
587 | h = 60; | |
588 | #endif | |
589 | ||
590 | c1->left.SameAs (this, wxLeft); | |
591 | c1->top.SameAs (this, wxTop); | |
592 | c1->right.SameAs (this, wxRight); | |
593 | c1->height.Absolute (h); | |
594 | ||
595 | m_controlBar->SetConstraints(c1); | |
596 | ||
597 | // Canvas constraints | |
598 | wxLayoutConstraints *c2 = new wxLayoutConstraints; | |
599 | ||
600 | c2->left.SameAs (this, wxLeft); | |
601 | c2->top.Below (m_controlBar); | |
602 | c2->right.SameAs (this, wxRight); | |
603 | c2->bottom.SameAs (this, wxBottom); | |
604 | ||
605 | m_previewCanvas->SetConstraints(c2); | |
606 | ||
607 | SetAutoLayout(TRUE); | |
608 | ||
609 | MakeModal(TRUE); | |
610 | ||
611 | Layout(); | |
612 | } | |
613 | ||
614 | void wxPreviewFrame::CreateCanvas() | |
615 | { | |
616 | m_previewCanvas = new wxPreviewCanvas(m_printPreview, this); | |
617 | } | |
618 | ||
619 | void wxPreviewFrame::CreateControlBar() | |
620 | { | |
621 | long buttons = wxPREVIEW_DEFAULT; | |
622 | if (m_printPreview->GetPrintoutForPrinting()) | |
623 | buttons |= wxPREVIEW_PRINT; | |
624 | ||
625 | m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40)); | |
626 | m_controlBar->CreateButtons(); | |
627 | } | |
628 | ||
629 | /* | |
630 | * Print preview | |
631 | */ | |
632 | ||
633 | wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout, | |
634 | wxPrintout *printoutForPrinting, | |
635 | wxPrintData *data) | |
636 | { | |
637 | if (data) | |
638 | m_printDialogData = (*data); | |
639 | ||
640 | Init(printout, printoutForPrinting); | |
641 | } | |
642 | ||
643 | wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout, | |
644 | wxPrintout *printoutForPrinting, | |
645 | wxPrintDialogData *data) | |
646 | { | |
647 | if (data) | |
648 | m_printDialogData = (*data); | |
649 | ||
650 | Init(printout, printoutForPrinting); | |
651 | } | |
652 | ||
653 | void wxPrintPreviewBase::Init(wxPrintout *printout, | |
654 | wxPrintout *printoutForPrinting) | |
655 | { | |
656 | m_isOk = TRUE; | |
657 | m_previewPrintout = printout; | |
658 | if (m_previewPrintout) | |
659 | m_previewPrintout->SetIsPreview(TRUE); | |
660 | ||
661 | m_printPrintout = printoutForPrinting; | |
662 | ||
663 | m_previewCanvas = NULL; | |
664 | m_previewFrame = NULL; | |
665 | m_previewBitmap = NULL; | |
666 | m_currentPage = 1; | |
667 | m_currentZoom = 70; | |
668 | m_topMargin = 40; | |
669 | m_leftMargin = 40; | |
670 | m_pageWidth = 0; | |
671 | m_pageHeight = 0; | |
672 | m_printingPrepared = FALSE; | |
673 | ||
674 | // Too soon! Moved to RenderPage. | |
675 | // printout->OnPreparePrinting(); | |
676 | ||
677 | // Get some parameters from the printout, if defined | |
678 | int selFrom, selTo; | |
679 | printout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo); | |
680 | } | |
681 | ||
682 | wxPrintPreviewBase::~wxPrintPreviewBase() | |
683 | { | |
684 | if (m_previewPrintout) | |
685 | delete m_previewPrintout; | |
686 | if (m_previewBitmap) | |
687 | delete m_previewBitmap; | |
688 | if (m_printPrintout) | |
689 | delete m_printPrintout; | |
690 | } | |
691 | ||
692 | bool wxPrintPreviewBase::SetCurrentPage(int pageNum) | |
693 | { | |
694 | if (m_currentPage == pageNum) | |
695 | return TRUE; | |
696 | ||
697 | m_currentPage = pageNum; | |
698 | if (m_previewBitmap) | |
699 | { | |
700 | delete m_previewBitmap; | |
701 | m_previewBitmap = NULL; | |
702 | } | |
703 | ||
704 | if (m_previewCanvas) | |
705 | { | |
706 | if (!RenderPage(pageNum)) | |
707 | return FALSE; | |
708 | m_previewCanvas->Refresh(); | |
709 | } | |
710 | return TRUE; | |
711 | } | |
712 | ||
713 | bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc) | |
714 | { | |
715 | DrawBlankPage(canvas, dc); | |
716 | ||
717 | if (!m_previewBitmap) | |
718 | if (!RenderPage(m_currentPage)) | |
719 | return FALSE; | |
720 | ||
721 | if (!m_previewBitmap) | |
722 | return FALSE; | |
723 | ||
724 | if (!canvas) | |
725 | return FALSE; | |
726 | ||
727 | int canvasWidth, canvasHeight; | |
728 | canvas->GetSize(&canvasWidth, &canvasHeight); | |
729 | ||
730 | double zoomScale = ((float)m_currentZoom/(float)100); | |
731 | double actualWidth = (zoomScale*m_pageWidth*m_previewScale); | |
732 | // float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale); | |
733 | ||
734 | int x = (int) ((canvasWidth - actualWidth)/2.0); | |
735 | if (x < m_leftMargin) | |
736 | x = m_leftMargin; | |
737 | int y = m_topMargin; | |
738 | ||
739 | wxMemoryDC temp_dc; | |
740 | temp_dc.SelectObject(*m_previewBitmap); | |
741 | ||
742 | dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0); | |
743 | ||
744 | temp_dc.SelectObject(wxNullBitmap); | |
745 | ||
746 | return TRUE; | |
747 | } | |
748 | ||
749 | bool wxPrintPreviewBase::RenderPage(int pageNum) | |
750 | { | |
751 | wxBusyCursor busy; | |
752 | ||
753 | int canvasWidth, canvasHeight; | |
754 | ||
755 | if (!m_previewCanvas) | |
756 | { | |
757 | wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!")); | |
758 | ||
759 | return FALSE; | |
760 | } | |
761 | m_previewCanvas->GetSize(&canvasWidth, &canvasHeight); | |
762 | ||
763 | double zoomScale = (m_currentZoom/100.0); | |
764 | int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale); | |
765 | int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale); | |
766 | ||
767 | int x = (int)((canvasWidth - actualWidth)/2.0); | |
768 | if (x < m_leftMargin) | |
769 | x = m_leftMargin; | |
770 | // int y = m_topMargin; | |
771 | ||
772 | ||
773 | if (!m_previewBitmap) | |
774 | { | |
775 | m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight); | |
776 | if (!m_previewBitmap || !m_previewBitmap->Ok()) | |
777 | { | |
778 | if (m_previewBitmap) { | |
779 | delete m_previewBitmap; | |
780 | m_previewBitmap = NULL; | |
781 | } | |
782 | wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK); | |
783 | return FALSE; | |
784 | } | |
785 | } | |
786 | ||
787 | wxMemoryDC memoryDC; | |
788 | memoryDC.SelectObject(*m_previewBitmap); | |
789 | ||
790 | memoryDC.Clear(); | |
791 | ||
792 | m_previewPrintout->SetDC(&memoryDC); | |
793 | m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight); | |
794 | ||
795 | // Need to delay OnPreparePrinting until here, so we have enough information. | |
796 | if (!m_printingPrepared) | |
797 | { | |
798 | m_previewPrintout->OnPreparePrinting(); | |
799 | m_printingPrepared = TRUE; | |
800 | } | |
801 | ||
802 | m_previewPrintout->OnBeginPrinting(); | |
803 | ||
804 | if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage())) | |
805 | { | |
806 | wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK); | |
807 | ||
808 | memoryDC.SelectObject(wxNullBitmap); | |
809 | ||
810 | delete m_previewBitmap; | |
811 | m_previewBitmap = NULL; | |
812 | return FALSE; | |
813 | } | |
814 | ||
815 | m_previewPrintout->OnPrintPage(pageNum); | |
816 | m_previewPrintout->OnEndDocument(); | |
817 | m_previewPrintout->OnEndPrinting(); | |
818 | ||
819 | m_previewPrintout->SetDC(NULL); | |
820 | ||
821 | memoryDC.SelectObject(wxNullBitmap); | |
822 | ||
823 | wxChar buf[200]; | |
824 | if (m_maxPage != 0) | |
825 | wxSprintf(buf, _("Page %d of %d"), pageNum, m_maxPage); | |
826 | else | |
827 | wxSprintf(buf, _("Page %d"), pageNum); | |
828 | ||
829 | if (m_previewFrame) | |
830 | m_previewFrame->SetStatusText(buf); | |
831 | ||
832 | return TRUE; | |
833 | } | |
834 | ||
835 | ||
836 | bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc) | |
837 | { | |
838 | int canvasWidth, canvasHeight; | |
839 | canvas->GetSize(&canvasWidth, &canvasHeight); | |
840 | ||
841 | float zoomScale = (float)((float)m_currentZoom/(float)100); | |
842 | float actualWidth = zoomScale*m_pageWidth*m_previewScale; | |
843 | float actualHeight = zoomScale*m_pageHeight*m_previewScale; | |
844 | ||
845 | float x = (float)((canvasWidth - actualWidth)/2.0); | |
846 | if (x < m_leftMargin) | |
847 | x = (float)m_leftMargin; | |
848 | float y = (float)m_topMargin; | |
849 | ||
850 | // Draw shadow, allowing for 1-pixel border AROUND the actual page | |
851 | int shadowOffset = 4; | |
852 | dc.SetPen(*wxBLACK_PEN); | |
853 | dc.SetBrush(*wxBLACK_BRUSH); | |
854 | /* | |
855 | dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2)); | |
856 | */ | |
857 | dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset); | |
858 | dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight)); | |
859 | ||
860 | // Draw blank page allowing for 1-pixel border AROUND the actual page | |
861 | dc.SetPen(*wxBLACK_PEN); | |
862 | dc.SetBrush(*wxWHITE_BRUSH); | |
863 | ||
864 | /* | |
865 | wxRegion update_region = canvas->GetUpdateRegion(); | |
866 | wxRect r = update_region.GetBox(); | |
867 | ||
868 | printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height ); | |
869 | */ | |
870 | ||
871 | dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2)); | |
872 | ||
873 | return TRUE; | |
874 | } | |
875 | ||
876 | void wxPrintPreviewBase::SetZoom(int percent) | |
877 | { | |
878 | if (m_currentZoom == percent) | |
879 | return; | |
880 | ||
881 | m_currentZoom = percent; | |
882 | if (m_previewBitmap) | |
883 | { | |
884 | delete m_previewBitmap; | |
885 | m_previewBitmap = NULL; | |
886 | } | |
887 | ||
888 | if (m_previewCanvas) | |
889 | { | |
890 | RenderPage(m_currentPage); | |
891 | ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0); | |
892 | m_previewCanvas->Clear(); | |
893 | m_previewCanvas->Refresh(); | |
894 | } | |
895 | } | |
896 | ||
897 | #endif // wxUSE_PRINTING_ARCHITECTURE |