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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/generic/wizard.cpp | |
3 | // Purpose: generic implementation of wxWizard class | |
4 | // Author: Vadim Zeitlin | |
5 | // Modified by: Robert Cavanaugh | |
6 | // 1) Added capability for wxWizardPage to accept resources | |
7 | // 2) Added "Help" button handler stub | |
8 | // 3) Fixed ShowPage() bug on displaying bitmaps | |
9 | // Robert Vazan (sizers) | |
10 | // Created: 15.08.99 | |
11 | // RCS-ID: $Id$ | |
12 | // Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr> | |
13 | // Licence: wxWindows licence | |
14 | /////////////////////////////////////////////////////////////////////////////// | |
15 | ||
16 | // ============================================================================ | |
17 | // declarations | |
18 | // ============================================================================ | |
19 | ||
20 | // ---------------------------------------------------------------------------- | |
21 | // headers | |
22 | // ---------------------------------------------------------------------------- | |
23 | ||
24 | // For compilers that support precompilation, includes "wx.h". | |
25 | #include "wx/wxprec.h" | |
26 | ||
27 | #ifdef __BORLANDC__ | |
28 | #pragma hdrstop | |
29 | #endif | |
30 | ||
31 | #if wxUSE_WIZARDDLG | |
32 | ||
33 | #ifndef WX_PRECOMP | |
34 | #include "wx/dynarray.h" | |
35 | #include "wx/intl.h" | |
36 | #include "wx/statbmp.h" | |
37 | #include "wx/button.h" | |
38 | #endif //WX_PRECOMP | |
39 | ||
40 | #include "wx/statline.h" | |
41 | #include "wx/sizer.h" | |
42 | #include "wx/settings.h" | |
43 | ||
44 | #include "wx/wizard.h" | |
45 | ||
46 | // ---------------------------------------------------------------------------- | |
47 | // wxWizardSizer | |
48 | // ---------------------------------------------------------------------------- | |
49 | ||
50 | class wxWizardSizer : public wxSizer | |
51 | { | |
52 | public: | |
53 | wxWizardSizer(wxWizard *owner); | |
54 | ||
55 | void RecalcSizes(); | |
56 | wxSize CalcMin(); | |
57 | ||
58 | wxSize GetMaxChildSize(); | |
59 | int Border() const; | |
60 | ||
61 | private: | |
62 | wxSize SiblingSize(wxSizerItem *child); | |
63 | ||
64 | wxWizard *m_owner; | |
65 | bool m_childSizeValid; | |
66 | wxSize m_childSize; | |
67 | }; | |
68 | ||
69 | // ---------------------------------------------------------------------------- | |
70 | // event tables and such | |
71 | // ---------------------------------------------------------------------------- | |
72 | ||
73 | DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGED) | |
74 | DEFINE_EVENT_TYPE(wxEVT_WIZARD_PAGE_CHANGING) | |
75 | DEFINE_EVENT_TYPE(wxEVT_WIZARD_CANCEL) | |
76 | DEFINE_EVENT_TYPE(wxEVT_WIZARD_FINISHED) | |
77 | DEFINE_EVENT_TYPE(wxEVT_WIZARD_HELP) | |
78 | ||
79 | BEGIN_EVENT_TABLE(wxWizard, wxDialog) | |
80 | EVT_BUTTON(wxID_CANCEL, wxWizard::OnCancel) | |
81 | EVT_BUTTON(wxID_BACKWARD, wxWizard::OnBackOrNext) | |
82 | EVT_BUTTON(wxID_FORWARD, wxWizard::OnBackOrNext) | |
83 | EVT_BUTTON(wxID_HELP, wxWizard::OnHelp) | |
84 | ||
85 | EVT_WIZARD_PAGE_CHANGED(wxID_ANY, wxWizard::OnWizEvent) | |
86 | EVT_WIZARD_PAGE_CHANGING(wxID_ANY, wxWizard::OnWizEvent) | |
87 | EVT_WIZARD_CANCEL(wxID_ANY, wxWizard::OnWizEvent) | |
88 | EVT_WIZARD_FINISHED(wxID_ANY, wxWizard::OnWizEvent) | |
89 | EVT_WIZARD_HELP(wxID_ANY, wxWizard::OnWizEvent) | |
90 | END_EVENT_TABLE() | |
91 | ||
92 | IMPLEMENT_DYNAMIC_CLASS(wxWizard, wxDialog) | |
93 | ||
94 | /* | |
95 | TODO PROPERTIES : | |
96 | wxWizard | |
97 | extstyle | |
98 | title | |
99 | */ | |
100 | ||
101 | IMPLEMENT_ABSTRACT_CLASS(wxWizardPage, wxPanel) | |
102 | IMPLEMENT_DYNAMIC_CLASS(wxWizardPageSimple, wxWizardPage) | |
103 | IMPLEMENT_DYNAMIC_CLASS(wxWizardEvent, wxNotifyEvent) | |
104 | ||
105 | // ============================================================================ | |
106 | // implementation | |
107 | // ============================================================================ | |
108 | ||
109 | // ---------------------------------------------------------------------------- | |
110 | // wxWizardPage | |
111 | // ---------------------------------------------------------------------------- | |
112 | ||
113 | void wxWizardPage::Init() | |
114 | { | |
115 | m_bitmap = wxNullBitmap; | |
116 | } | |
117 | ||
118 | wxWizardPage::wxWizardPage(wxWizard *parent, | |
119 | const wxBitmap& bitmap, | |
120 | const wxChar *resource) | |
121 | { | |
122 | Create(parent, bitmap, resource); | |
123 | } | |
124 | ||
125 | bool wxWizardPage::Create(wxWizard *parent, | |
126 | const wxBitmap& bitmap, | |
127 | const wxChar *resource) | |
128 | { | |
129 | if ( !wxPanel::Create(parent, wxID_ANY) ) | |
130 | return false; | |
131 | ||
132 | if ( resource != NULL ) | |
133 | { | |
134 | #if wxUSE_WX_RESOURCES | |
135 | #if 0 | |
136 | if ( !LoadFromResource(this, resource) ) | |
137 | { | |
138 | wxFAIL_MSG(wxT("wxWizardPage LoadFromResource failed!!!!")); | |
139 | } | |
140 | #endif | |
141 | #endif // wxUSE_RESOURCES | |
142 | } | |
143 | ||
144 | m_bitmap = bitmap; | |
145 | ||
146 | // initially the page is hidden, it's shown only when it becomes current | |
147 | Hide(); | |
148 | ||
149 | return true; | |
150 | } | |
151 | ||
152 | // ---------------------------------------------------------------------------- | |
153 | // wxWizardPageSimple | |
154 | // ---------------------------------------------------------------------------- | |
155 | ||
156 | wxWizardPage *wxWizardPageSimple::GetPrev() const | |
157 | { | |
158 | return m_prev; | |
159 | } | |
160 | ||
161 | wxWizardPage *wxWizardPageSimple::GetNext() const | |
162 | { | |
163 | return m_next; | |
164 | } | |
165 | ||
166 | // ---------------------------------------------------------------------------- | |
167 | // wxWizardSizer | |
168 | // ---------------------------------------------------------------------------- | |
169 | ||
170 | wxWizardSizer::wxWizardSizer(wxWizard *owner) | |
171 | : m_owner(owner) | |
172 | { | |
173 | m_childSizeValid = false; | |
174 | } | |
175 | ||
176 | void wxWizardSizer::RecalcSizes() | |
177 | { | |
178 | // Effect of this function depends on m_owner->m_page and | |
179 | // it should be called whenever it changes (wxWizard::ShowPage) | |
180 | if ( m_owner->m_page ) | |
181 | { | |
182 | m_owner->m_page->SetSize(m_position.x,m_position.y, m_size.x,m_size.y); | |
183 | } | |
184 | } | |
185 | ||
186 | wxSize wxWizardSizer::CalcMin() | |
187 | { | |
188 | return m_owner->GetPageSize(); | |
189 | } | |
190 | ||
191 | wxSize wxWizardSizer::GetMaxChildSize() | |
192 | { | |
193 | #if !defined(__WXDEBUG__) | |
194 | if ( m_childSizeValid ) | |
195 | return m_childSize; | |
196 | #endif | |
197 | ||
198 | wxSize maxOfMin; | |
199 | wxSizerItemList::compatibility_iterator childNode; | |
200 | ||
201 | for(childNode = m_children.GetFirst(); childNode; | |
202 | childNode = childNode->GetNext()) | |
203 | { | |
204 | wxSizerItem *child = childNode->GetData(); | |
205 | maxOfMin.IncTo(child->CalcMin()); | |
206 | maxOfMin.IncTo(SiblingSize(child)); | |
207 | } | |
208 | ||
209 | #ifdef __WXDEBUG__ | |
210 | if ( m_childSizeValid && m_childSize != maxOfMin ) | |
211 | { | |
212 | wxFAIL_MSG( _T("Size changed in wxWizard::GetPageAreaSizer()") | |
213 | _T("after RunWizard().\n") | |
214 | _T("Did you forget to call GetSizer()->Fit(this) ") | |
215 | _T("for some page?")) ; | |
216 | ||
217 | return m_childSize; | |
218 | } | |
219 | #endif // __WXDEBUG__ | |
220 | ||
221 | if ( m_owner->m_started ) | |
222 | { | |
223 | m_childSizeValid = true; | |
224 | m_childSize = maxOfMin; | |
225 | } | |
226 | ||
227 | return maxOfMin; | |
228 | } | |
229 | ||
230 | int wxWizardSizer::Border() const | |
231 | { | |
232 | if ( m_owner->m_calledSetBorder ) | |
233 | return m_owner->m_border; | |
234 | ||
235 | return m_children.IsEmpty() ? 5 : 0; | |
236 | } | |
237 | ||
238 | wxSize wxWizardSizer::SiblingSize(wxSizerItem *child) | |
239 | { | |
240 | wxSize maxSibling; | |
241 | ||
242 | if ( child->IsWindow() ) | |
243 | { | |
244 | wxWizardPage *page = wxDynamicCast(child->GetWindow(), wxWizardPage); | |
245 | if ( page ) | |
246 | { | |
247 | for ( wxWizardPage *sibling = page->GetNext(); | |
248 | sibling; | |
249 | sibling = sibling->GetNext() ) | |
250 | { | |
251 | if ( sibling->GetSizer() ) | |
252 | { | |
253 | maxSibling.IncTo(sibling->GetSizer()->CalcMin()); | |
254 | } | |
255 | } | |
256 | } | |
257 | } | |
258 | ||
259 | return maxSibling; | |
260 | } | |
261 | ||
262 | // ---------------------------------------------------------------------------- | |
263 | // generic wxWizard implementation | |
264 | // ---------------------------------------------------------------------------- | |
265 | ||
266 | void wxWizard::Init() | |
267 | { | |
268 | m_posWizard = wxDefaultPosition; | |
269 | m_page = (wxWizardPage *)NULL; | |
270 | m_btnPrev = m_btnNext = NULL; | |
271 | m_statbmp = NULL; | |
272 | m_sizerBmpAndPage = NULL; | |
273 | m_sizerPage = NULL; | |
274 | m_calledSetBorder = false; | |
275 | m_border = 0; | |
276 | m_started = false; | |
277 | m_wasModal = false; | |
278 | } | |
279 | ||
280 | bool wxWizard::Create(wxWindow *parent, | |
281 | int id, | |
282 | const wxString& title, | |
283 | const wxBitmap& bitmap, | |
284 | const wxPoint& pos, | |
285 | long style) | |
286 | { | |
287 | bool result = wxDialog::Create(parent,id,title,pos,wxDefaultSize,style); | |
288 | ||
289 | m_posWizard = pos; | |
290 | m_bitmap = bitmap ; | |
291 | ||
292 | DoCreateControls(); | |
293 | ||
294 | return result; | |
295 | } | |
296 | ||
297 | void wxWizard::AddBitmapRow(wxBoxSizer *mainColumn) | |
298 | { | |
299 | m_sizerBmpAndPage = new wxBoxSizer(wxHORIZONTAL); | |
300 | mainColumn->Add( | |
301 | m_sizerBmpAndPage, | |
302 | 1, // Vertically stretchable | |
303 | wxEXPAND // Horizonal stretching, no border | |
304 | ); | |
305 | mainColumn->Add(0,5, | |
306 | 0, // No vertical stretching | |
307 | wxEXPAND // No border, (mostly useless) horizontal stretching | |
308 | ); | |
309 | ||
310 | #if wxUSE_STATBMP | |
311 | if ( m_bitmap.Ok() ) | |
312 | { | |
313 | m_statbmp = new wxStaticBitmap(this, wxID_ANY, m_bitmap); | |
314 | m_sizerBmpAndPage->Add( | |
315 | m_statbmp, | |
316 | 0, // No horizontal stretching | |
317 | wxALL, // Border all around, top alignment | |
318 | 5 // Border width | |
319 | ); | |
320 | m_sizerBmpAndPage->Add( | |
321 | 5,0, | |
322 | 0, // No horizontal stretching | |
323 | wxEXPAND // No border, (mostly useless) vertical stretching | |
324 | ); | |
325 | } | |
326 | #endif | |
327 | ||
328 | // Added to m_sizerBmpAndPage in FinishLayout | |
329 | m_sizerPage = new wxWizardSizer(this); | |
330 | } | |
331 | ||
332 | void wxWizard::AddStaticLine(wxBoxSizer *mainColumn) | |
333 | { | |
334 | #if wxUSE_STATLINE | |
335 | mainColumn->Add( | |
336 | new wxStaticLine(this, wxID_ANY), | |
337 | 0, // Vertically unstretchable | |
338 | wxEXPAND | wxALL, // Border all around, horizontally stretchable | |
339 | 5 // Border width | |
340 | ); | |
341 | mainColumn->Add(0,5, | |
342 | 0, // No vertical stretching | |
343 | wxEXPAND // No border, (mostly useless) horizontal stretching | |
344 | ); | |
345 | #else | |
346 | (void)mainColumn; | |
347 | #endif // wxUSE_STATLINE | |
348 | } | |
349 | ||
350 | void wxWizard::AddBackNextPair(wxBoxSizer *buttonRow) | |
351 | { | |
352 | wxASSERT_MSG( m_btnNext && m_btnPrev, | |
353 | _T("You must create the buttons before calling ") | |
354 | _T("wxWizard::AddBackNextPair") ); | |
355 | ||
356 | // margin between Back and Next buttons | |
357 | #ifdef __WXMAC__ | |
358 | static const int BACKNEXT_MARGIN = 10; | |
359 | #else | |
360 | static const int BACKNEXT_MARGIN = 0; | |
361 | #endif | |
362 | ||
363 | wxBoxSizer *backNextPair = new wxBoxSizer(wxHORIZONTAL); | |
364 | buttonRow->Add( | |
365 | backNextPair, | |
366 | 0, // No horizontal stretching | |
367 | wxALL, // Border all around | |
368 | 5 // Border width | |
369 | ); | |
370 | ||
371 | backNextPair->Add(m_btnPrev); | |
372 | backNextPair->Add(BACKNEXT_MARGIN,0, | |
373 | 0, // No horizontal stretching | |
374 | wxEXPAND // No border, (mostly useless) vertical stretching | |
375 | ); | |
376 | backNextPair->Add(m_btnNext); | |
377 | } | |
378 | ||
379 | void wxWizard::AddButtonRow(wxBoxSizer *mainColumn) | |
380 | { | |
381 | // the order in which the buttons are created determines the TAB order - at least under MSWindows... | |
382 | // although the 'back' button appears before the 'next' button, a more userfriendly tab order is | |
383 | // to activate the 'next' button first (create the next button before the back button). | |
384 | // The reason is: The user will repeatedly enter information in the wizard pages and then wants to | |
385 | // press 'next'. If a user uses mostly the keyboard, he would have to skip the 'back' button | |
386 | // everytime. This is annoying. There is a second reason: RETURN acts as TAB. If the 'next' | |
387 | // button comes first in the TAB order, the user can enter information very fast using the RETURN | |
388 | // key to TAB to the next entry field and page. This would not be possible, if the 'back' button | |
389 | // was created before the 'next' button. | |
390 | ||
391 | bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); | |
392 | int buttonStyle = isPda ? wxBU_EXACTFIT : 0; | |
393 | ||
394 | wxBoxSizer *buttonRow = new wxBoxSizer(wxHORIZONTAL); | |
395 | #ifdef __WXMAC__ | |
396 | if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON) | |
397 | mainColumn->Add( | |
398 | buttonRow, | |
399 | 0, // Vertically unstretchable | |
400 | wxGROW|wxALIGN_CENTRE | |
401 | ); | |
402 | else | |
403 | #endif | |
404 | mainColumn->Add( | |
405 | buttonRow, | |
406 | 0, // Vertically unstretchable | |
407 | wxALIGN_RIGHT // Right aligned, no border | |
408 | ); | |
409 | ||
410 | // Desired TAB order is 'next', 'cancel', 'help', 'back'. This makes the 'back' button the last control on the page. | |
411 | // Create the buttons in the right order... | |
412 | wxButton *btnHelp=0; | |
413 | #ifdef __WXMAC__ | |
414 | if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON) | |
415 | btnHelp=new wxButton(this, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, buttonStyle); | |
416 | #endif | |
417 | ||
418 | m_btnNext = new wxButton(this, wxID_FORWARD, _("&Next >")); | |
419 | wxButton *btnCancel=new wxButton(this, wxID_CANCEL, _("&Cancel"), wxDefaultPosition, wxDefaultSize, buttonStyle); | |
420 | #ifndef __WXMAC__ | |
421 | if (GetExtraStyle() & wxWIZARD_EX_HELPBUTTON) | |
422 | btnHelp=new wxButton(this, wxID_HELP, _("&Help"), wxDefaultPosition, wxDefaultSize, buttonStyle); | |
423 | #endif | |
424 | m_btnPrev = new wxButton(this, wxID_BACKWARD, _("< &Back"), wxDefaultPosition, wxDefaultSize, buttonStyle); | |
425 | ||
426 | if (btnHelp) | |
427 | { | |
428 | buttonRow->Add( | |
429 | btnHelp, | |
430 | 0, // Horizontally unstretchable | |
431 | wxALL, // Border all around, top aligned | |
432 | 5 // Border width | |
433 | ); | |
434 | #ifdef __WXMAC__ | |
435 | // Put stretchable space between help button and others | |
436 | buttonRow->Add(0, 0, 1, wxALIGN_CENTRE, 0); | |
437 | #endif | |
438 | } | |
439 | ||
440 | AddBackNextPair(buttonRow); | |
441 | ||
442 | buttonRow->Add( | |
443 | btnCancel, | |
444 | 0, // Horizontally unstretchable | |
445 | wxALL, // Border all around, top aligned | |
446 | 5 // Border width | |
447 | ); | |
448 | } | |
449 | ||
450 | void wxWizard::DoCreateControls() | |
451 | { | |
452 | // do nothing if the controls were already created | |
453 | if ( WasCreated() ) | |
454 | return; | |
455 | ||
456 | bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); | |
457 | ||
458 | // Horizontal stretching, and if not PDA, border all around | |
459 | int mainColumnSizerFlags = isPda ? wxEXPAND : wxALL|wxEXPAND ; | |
460 | ||
461 | // wxWindow::SetSizer will be called at end | |
462 | wxBoxSizer *windowSizer = new wxBoxSizer(wxVERTICAL); | |
463 | ||
464 | wxBoxSizer *mainColumn = new wxBoxSizer(wxVERTICAL); | |
465 | windowSizer->Add( | |
466 | mainColumn, | |
467 | 1, // Vertical stretching | |
468 | mainColumnSizerFlags, | |
469 | 5 // Border width | |
470 | ); | |
471 | ||
472 | AddBitmapRow(mainColumn); | |
473 | ||
474 | if (!isPda) | |
475 | AddStaticLine(mainColumn); | |
476 | ||
477 | AddButtonRow(mainColumn); | |
478 | ||
479 | // wxWindow::SetSizer should be followed by wxWindow::Fit, but | |
480 | // this is done in FinishLayout anyway so why duplicate it | |
481 | SetSizer(windowSizer); | |
482 | } | |
483 | ||
484 | void wxWizard::SetPageSize(const wxSize& size) | |
485 | { | |
486 | wxCHECK_RET(!m_started,wxT("wxWizard::SetPageSize after RunWizard")); | |
487 | m_sizePage = size; | |
488 | } | |
489 | ||
490 | void wxWizard::FinishLayout() | |
491 | { | |
492 | bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); | |
493 | ||
494 | // Set to enable wxWizardSizer::GetMaxChildSize | |
495 | m_started = true; | |
496 | ||
497 | m_sizerBmpAndPage->Add( | |
498 | m_sizerPage, | |
499 | 1, // Horizontal stretching | |
500 | wxEXPAND | wxALL, // Vertically stretchable | |
501 | m_sizerPage->Border() | |
502 | ); | |
503 | ||
504 | if (!isPda) | |
505 | { | |
506 | GetSizer()->SetSizeHints(this); | |
507 | if ( m_posWizard == wxDefaultPosition ) | |
508 | CentreOnScreen(); | |
509 | } | |
510 | } | |
511 | ||
512 | void wxWizard::FitToPage(const wxWizardPage *page) | |
513 | { | |
514 | wxCHECK_RET(!m_started,wxT("wxWizard::FitToPage after RunWizard")); | |
515 | ||
516 | while ( page ) | |
517 | { | |
518 | wxSize size = page->GetBestSize(); | |
519 | ||
520 | m_sizePage.IncTo(size); | |
521 | ||
522 | page = page->GetNext(); | |
523 | } | |
524 | } | |
525 | ||
526 | bool wxWizard::ShowPage(wxWizardPage *page, bool goingForward) | |
527 | { | |
528 | wxASSERT_MSG( page != m_page, wxT("this is useless") ); | |
529 | ||
530 | // we'll use this to decide whether we have to change the label of this | |
531 | // button or not (initially the label is "Next") | |
532 | bool btnLabelWasNext = true; | |
533 | ||
534 | // Modified 10-20-2001 Robert Cavanaugh. | |
535 | // Fixed bug for displaying a new bitmap | |
536 | // in each *consecutive* page | |
537 | ||
538 | // flag to indicate if this page uses a new bitmap | |
539 | bool bmpIsDefault = true; | |
540 | ||
541 | // use these labels to determine if we need to change the bitmap | |
542 | // for this page | |
543 | wxBitmap bmpPrev, bmpCur; | |
544 | ||
545 | // check for previous page | |
546 | if ( m_page ) | |
547 | { | |
548 | // send the event to the old page | |
549 | wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGING, GetId(), goingForward, m_page); | |
550 | if ( m_page->GetEventHandler()->ProcessEvent(event) && | |
551 | !event.IsAllowed() ) | |
552 | { | |
553 | // vetoed by the page | |
554 | return false; | |
555 | } | |
556 | ||
557 | m_page->Hide(); | |
558 | ||
559 | btnLabelWasNext = HasNextPage(m_page); | |
560 | ||
561 | // Get the bitmap of the previous page (if it exists) | |
562 | if ( m_page->GetBitmap().Ok() ) | |
563 | { | |
564 | bmpPrev = m_page->GetBitmap(); | |
565 | } | |
566 | } | |
567 | ||
568 | // set the new page | |
569 | m_page = page; | |
570 | ||
571 | // is this the end? | |
572 | if ( !m_page ) | |
573 | { | |
574 | // terminate successfully | |
575 | if(IsModal()) | |
576 | { | |
577 | EndModal(wxID_OK); | |
578 | } | |
579 | else | |
580 | { | |
581 | SetReturnCode(wxID_OK); | |
582 | Hide(); | |
583 | } | |
584 | ||
585 | // and notify the user code (this is especially useful for modeless | |
586 | // wizards) | |
587 | wxWizardEvent event(wxEVT_WIZARD_FINISHED, GetId(), false, 0); | |
588 | (void)GetEventHandler()->ProcessEvent(event); | |
589 | ||
590 | return true; | |
591 | } | |
592 | ||
593 | // position and show the new page | |
594 | (void)m_page->TransferDataToWindow(); | |
595 | ||
596 | // wxWizardSizer::RecalcSizes wants to be called when m_page changes | |
597 | m_sizerPage->RecalcSizes(); | |
598 | ||
599 | // check if bitmap needs to be updated | |
600 | // update default flag as well | |
601 | if ( m_page->GetBitmap().Ok() ) | |
602 | { | |
603 | bmpCur = m_page->GetBitmap(); | |
604 | bmpIsDefault = false; | |
605 | } | |
606 | ||
607 | #if wxUSE_STATBMP | |
608 | // change the bitmap if: | |
609 | // 1) a default bitmap was selected in constructor | |
610 | // 2) this page was constructed with a bitmap | |
611 | // 3) this bitmap is not the previous bitmap | |
612 | if ( m_statbmp && (bmpCur != bmpPrev) ) | |
613 | { | |
614 | wxBitmap bmp; | |
615 | if ( bmpIsDefault ) | |
616 | bmp = m_bitmap; | |
617 | else | |
618 | bmp = m_page->GetBitmap(); | |
619 | m_statbmp->SetBitmap(bmp); | |
620 | } | |
621 | #endif | |
622 | ||
623 | // and update the buttons state | |
624 | m_btnPrev->Enable(HasPrevPage(m_page)); | |
625 | ||
626 | bool hasNext = HasNextPage(m_page); | |
627 | if ( btnLabelWasNext != hasNext ) | |
628 | { | |
629 | // need to update | |
630 | if (btnLabelWasNext) | |
631 | m_btnNext->SetLabel(_("&Finish")); | |
632 | else | |
633 | m_btnNext->SetLabel(_("&Next >")); | |
634 | } | |
635 | m_btnNext->SetDefault(); | |
636 | // nothing to do: the label was already correct | |
637 | ||
638 | // send the change event to the new page now | |
639 | wxWizardEvent event(wxEVT_WIZARD_PAGE_CHANGED, GetId(), goingForward, m_page); | |
640 | (void)m_page->GetEventHandler()->ProcessEvent(event); | |
641 | ||
642 | // and finally show it | |
643 | m_page->Show(); | |
644 | m_page->SetFocus(); | |
645 | ||
646 | return true; | |
647 | } | |
648 | ||
649 | bool wxWizard::RunWizard(wxWizardPage *firstPage) | |
650 | { | |
651 | wxCHECK_MSG( firstPage, false, wxT("can't run empty wizard") ); | |
652 | ||
653 | // This cannot be done sooner, because user can change layout options | |
654 | // up to this moment | |
655 | FinishLayout(); | |
656 | ||
657 | // can't return false here because there is no old page | |
658 | (void)ShowPage(firstPage, true /* forward */); | |
659 | ||
660 | m_wasModal = true; | |
661 | ||
662 | return ShowModal() == wxID_OK; | |
663 | } | |
664 | ||
665 | wxWizardPage *wxWizard::GetCurrentPage() const | |
666 | { | |
667 | return m_page; | |
668 | } | |
669 | ||
670 | wxSize wxWizard::GetPageSize() const | |
671 | { | |
672 | wxSize pageSize(GetManualPageSize()); | |
673 | pageSize.IncTo(m_sizerPage->GetMaxChildSize()); | |
674 | return pageSize; | |
675 | } | |
676 | ||
677 | wxSizer *wxWizard::GetPageAreaSizer() const | |
678 | { | |
679 | return m_sizerPage; | |
680 | } | |
681 | ||
682 | void wxWizard::SetBorder(int border) | |
683 | { | |
684 | wxCHECK_RET(!m_started,wxT("wxWizard::SetBorder after RunWizard")); | |
685 | ||
686 | m_calledSetBorder = true; | |
687 | m_border = border; | |
688 | } | |
689 | ||
690 | wxSize wxWizard::GetManualPageSize() const | |
691 | { | |
692 | // default width and height of the page | |
693 | int DEFAULT_PAGE_WIDTH = 270; | |
694 | int DEFAULT_PAGE_HEIGHT = 270; | |
695 | bool isPda = (wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA); | |
696 | if (isPda) | |
697 | { | |
698 | // Make the default page size small enough to fit on screen | |
699 | DEFAULT_PAGE_WIDTH = wxSystemSettings::GetMetric(wxSYS_SCREEN_X) / 2; | |
700 | DEFAULT_PAGE_HEIGHT = wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) / 2; | |
701 | } | |
702 | ||
703 | wxSize totalPageSize(DEFAULT_PAGE_WIDTH,DEFAULT_PAGE_HEIGHT); | |
704 | ||
705 | totalPageSize.IncTo(m_sizePage); | |
706 | ||
707 | if ( m_statbmp ) | |
708 | { | |
709 | totalPageSize.IncTo(wxSize(0, m_bitmap.GetHeight())); | |
710 | } | |
711 | ||
712 | return totalPageSize; | |
713 | } | |
714 | ||
715 | void wxWizard::OnCancel(wxCommandEvent& WXUNUSED(eventUnused)) | |
716 | { | |
717 | // this function probably can never be called when we don't have an active | |
718 | // page, but a small extra check won't hurt | |
719 | wxWindow *win = m_page ? (wxWindow *)m_page : (wxWindow *)this; | |
720 | ||
721 | wxWizardEvent event(wxEVT_WIZARD_CANCEL, GetId(), false, m_page); | |
722 | if ( !win->GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) | |
723 | { | |
724 | // no objections - close the dialog | |
725 | if(IsModal()) | |
726 | { | |
727 | EndModal(wxID_CANCEL); | |
728 | } | |
729 | else | |
730 | { | |
731 | SetReturnCode(wxID_CANCEL); | |
732 | Hide(); | |
733 | } | |
734 | } | |
735 | //else: request to Cancel ignored | |
736 | } | |
737 | ||
738 | void wxWizard::OnBackOrNext(wxCommandEvent& event) | |
739 | { | |
740 | wxASSERT_MSG( (event.GetEventObject() == m_btnNext) || | |
741 | (event.GetEventObject() == m_btnPrev), | |
742 | wxT("unknown button") ); | |
743 | ||
744 | // ask the current page first: notice that we do it before calling | |
745 | // GetNext/Prev() because the data transfered from the controls of the page | |
746 | // may change the value returned by these methods | |
747 | if ( m_page && (!m_page->Validate() || !m_page->TransferDataFromWindow()) ) | |
748 | { | |
749 | // the page data is incorrect, don't do anything | |
750 | return; | |
751 | } | |
752 | ||
753 | bool forward = event.GetEventObject() == m_btnNext; | |
754 | ||
755 | wxWizardPage *page; | |
756 | if ( forward ) | |
757 | { | |
758 | page = m_page->GetNext(); | |
759 | } | |
760 | else // back | |
761 | { | |
762 | page = m_page->GetPrev(); | |
763 | ||
764 | wxASSERT_MSG( page, wxT("\"<Back\" button should have been disabled") ); | |
765 | } | |
766 | ||
767 | // just pass to the new page (or may be not - but we don't care here) | |
768 | (void)ShowPage(page, forward); | |
769 | } | |
770 | ||
771 | void wxWizard::OnHelp(wxCommandEvent& WXUNUSED(event)) | |
772 | { | |
773 | // this function probably can never be called when we don't have an active | |
774 | // page, but a small extra check won't hurt | |
775 | if(m_page != NULL) | |
776 | { | |
777 | // Create and send the help event to the specific page handler | |
778 | // event data contains the active page so that context-sensitive | |
779 | // help is possible | |
780 | wxWizardEvent eventHelp(wxEVT_WIZARD_HELP, GetId(), true, m_page); | |
781 | (void)m_page->GetEventHandler()->ProcessEvent(eventHelp); | |
782 | } | |
783 | } | |
784 | ||
785 | void wxWizard::OnWizEvent(wxWizardEvent& event) | |
786 | { | |
787 | // the dialogs have wxWS_EX_BLOCK_EVENTS style on by default but we want to | |
788 | // propagate wxEVT_WIZARD_XXX to the parent (if any), so do it manually | |
789 | if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) ) | |
790 | { | |
791 | // the event will be propagated anyhow | |
792 | event.Skip(); | |
793 | } | |
794 | else | |
795 | { | |
796 | wxWindow *parent = GetParent(); | |
797 | ||
798 | if ( !parent || !parent->GetEventHandler()->ProcessEvent(event) ) | |
799 | { | |
800 | event.Skip(); | |
801 | } | |
802 | } | |
803 | ||
804 | if ( ( !m_wasModal ) && | |
805 | event.IsAllowed() && | |
806 | ( event.GetEventType() == wxEVT_WIZARD_FINISHED || | |
807 | event.GetEventType() == wxEVT_WIZARD_CANCEL | |
808 | ) | |
809 | ) | |
810 | { | |
811 | Destroy(); | |
812 | } | |
813 | } | |
814 | ||
815 | // ---------------------------------------------------------------------------- | |
816 | // wxWizardEvent | |
817 | // ---------------------------------------------------------------------------- | |
818 | ||
819 | wxWizardEvent::wxWizardEvent(wxEventType type, int id, bool direction, wxWizardPage* page) | |
820 | : wxNotifyEvent(type, id) | |
821 | { | |
822 | // Modified 10-20-2001 Robert Cavanaugh | |
823 | // add the active page to the event data | |
824 | m_direction = direction; | |
825 | m_page = page; | |
826 | } | |
827 | ||
828 | #endif // wxUSE_WIZARDDLG |