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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: menu.cpp | |
3 | // Purpose: wxMenu, wxMenuBar, wxMenuItem | |
4 | // Author: Julian Smart | |
5 | // Modified by: Vadim Zeitlin | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // =========================================================================== | |
13 | // declarations | |
14 | // =========================================================================== | |
15 | ||
16 | // --------------------------------------------------------------------------- | |
17 | // headers | |
18 | // --------------------------------------------------------------------------- | |
19 | ||
20 | #ifdef __GNUG__ | |
21 | #pragma implementation "menu.h" | |
22 | #endif | |
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_MENUS | |
32 | ||
33 | #ifndef WX_PRECOMP | |
34 | #include "wx/frame.h" | |
35 | #include "wx/menu.h" | |
36 | #include "wx/utils.h" | |
37 | #include "wx/intl.h" | |
38 | #include "wx/log.h" | |
39 | #endif | |
40 | ||
41 | #if wxUSE_OWNER_DRAWN | |
42 | #include "wx/ownerdrw.h" | |
43 | #endif | |
44 | ||
45 | #include "wx/msw/private.h" | |
46 | ||
47 | // other standard headers | |
48 | #include <string.h> | |
49 | ||
50 | // ---------------------------------------------------------------------------- | |
51 | // global variables | |
52 | // ---------------------------------------------------------------------------- | |
53 | ||
54 | extern wxMenu *wxCurrentPopupMenu; | |
55 | ||
56 | // ---------------------------------------------------------------------------- | |
57 | // constants | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
60 | // the (popup) menu title has this special id | |
61 | static const int idMenuTitle = -2; | |
62 | ||
63 | // ---------------------------------------------------------------------------- | |
64 | // private functions | |
65 | // ---------------------------------------------------------------------------- | |
66 | ||
67 | // make the given menu item default | |
68 | static void SetDefaultMenuItem(HMENU hmenu, UINT id) | |
69 | { | |
70 | MENUITEMINFO mii; | |
71 | wxZeroMemory(mii); | |
72 | mii.cbSize = sizeof(MENUITEMINFO); | |
73 | mii.fMask = MIIM_STATE; | |
74 | mii.fState = MFS_DEFAULT; | |
75 | ||
76 | if ( !::SetMenuItemInfo(hmenu, id, FALSE, &mii) ) | |
77 | { | |
78 | wxLogLastError(wxT("SetMenuItemInfo")); | |
79 | } | |
80 | } | |
81 | ||
82 | // ============================================================================ | |
83 | // implementation | |
84 | // ============================================================================ | |
85 | ||
86 | IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler) | |
87 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxWindow) | |
88 | ||
89 | // --------------------------------------------------------------------------- | |
90 | // wxMenu construction, adding and removing menu items | |
91 | // --------------------------------------------------------------------------- | |
92 | ||
93 | // Construct a menu with optional title (then use append) | |
94 | void wxMenu::Init() | |
95 | { | |
96 | m_doBreak = FALSE; | |
97 | m_startRadioGroup = -1; | |
98 | ||
99 | // create the menu | |
100 | m_hMenu = (WXHMENU)CreatePopupMenu(); | |
101 | if ( !m_hMenu ) | |
102 | { | |
103 | wxLogLastError(wxT("CreatePopupMenu")); | |
104 | } | |
105 | ||
106 | // if we have a title, insert it in the beginning of the menu | |
107 | if ( !!m_title ) | |
108 | { | |
109 | Append(idMenuTitle, m_title); | |
110 | AppendSeparator(); | |
111 | } | |
112 | } | |
113 | ||
114 | // The wxWindow destructor will take care of deleting the submenus. | |
115 | wxMenu::~wxMenu() | |
116 | { | |
117 | // we should free Windows resources only if Windows doesn't do it for us | |
118 | // which happens if we're attached to a menubar or a submenu of another | |
119 | // menu | |
120 | if ( !IsAttached() && !GetParent() ) | |
121 | { | |
122 | if ( !::DestroyMenu(GetHmenu()) ) | |
123 | { | |
124 | wxLogLastError(wxT("DestroyMenu")); | |
125 | } | |
126 | } | |
127 | ||
128 | #if wxUSE_ACCEL | |
129 | // delete accels | |
130 | WX_CLEAR_ARRAY(m_accels); | |
131 | #endif // wxUSE_ACCEL | |
132 | } | |
133 | ||
134 | void wxMenu::Break() | |
135 | { | |
136 | // this will take effect during the next call to Append() | |
137 | m_doBreak = TRUE; | |
138 | } | |
139 | ||
140 | void wxMenu::Attach(wxMenuBarBase *menubar) | |
141 | { | |
142 | wxMenuBase::Attach(menubar); | |
143 | ||
144 | EndRadioGroup(); | |
145 | } | |
146 | ||
147 | #if wxUSE_ACCEL | |
148 | ||
149 | int wxMenu::FindAccel(int id) const | |
150 | { | |
151 | size_t n, count = m_accels.GetCount(); | |
152 | for ( n = 0; n < count; n++ ) | |
153 | { | |
154 | if ( m_accels[n]->m_command == id ) | |
155 | return n; | |
156 | } | |
157 | ||
158 | return wxNOT_FOUND; | |
159 | } | |
160 | ||
161 | void wxMenu::UpdateAccel(wxMenuItem *item) | |
162 | { | |
163 | if ( item->IsSubMenu() ) | |
164 | { | |
165 | wxMenu *submenu = item->GetSubMenu(); | |
166 | wxMenuItemList::Node *node = submenu->GetMenuItems().GetFirst(); | |
167 | while ( node ) | |
168 | { | |
169 | UpdateAccel(node->GetData()); | |
170 | ||
171 | node = node->GetNext(); | |
172 | } | |
173 | } | |
174 | else if ( !item->IsSeparator() ) | |
175 | { | |
176 | // find the (new) accel for this item | |
177 | wxAcceleratorEntry *accel = wxGetAccelFromString(item->GetText()); | |
178 | if ( accel ) | |
179 | accel->m_command = item->GetId(); | |
180 | ||
181 | // find the old one | |
182 | int n = FindAccel(item->GetId()); | |
183 | if ( n == wxNOT_FOUND ) | |
184 | { | |
185 | // no old, add new if any | |
186 | if ( accel ) | |
187 | m_accels.Add(accel); | |
188 | else | |
189 | return; // skipping RebuildAccelTable() below | |
190 | } | |
191 | else | |
192 | { | |
193 | // replace old with new or just remove the old one if no new | |
194 | delete m_accels[n]; | |
195 | if ( accel ) | |
196 | m_accels[n] = accel; | |
197 | else | |
198 | m_accels.RemoveAt(n); | |
199 | } | |
200 | ||
201 | if ( IsAttached() ) | |
202 | { | |
203 | m_menuBar->RebuildAccelTable(); | |
204 | } | |
205 | } | |
206 | //else: it is a separator, they can't have accels, nothing to do | |
207 | } | |
208 | ||
209 | #endif // wxUSE_ACCEL | |
210 | ||
211 | // append a new item or submenu to the menu | |
212 | bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos) | |
213 | { | |
214 | #if wxUSE_ACCEL | |
215 | UpdateAccel(pItem); | |
216 | #endif // wxUSE_ACCEL | |
217 | ||
218 | UINT flags = 0; | |
219 | ||
220 | // if "Break" has just been called, insert a menu break before this item | |
221 | // (and don't forget to reset the flag) | |
222 | if ( m_doBreak ) { | |
223 | flags |= MF_MENUBREAK; | |
224 | m_doBreak = FALSE; | |
225 | } | |
226 | ||
227 | if ( pItem->IsSeparator() ) { | |
228 | flags |= MF_SEPARATOR; | |
229 | } | |
230 | ||
231 | // id is the numeric id for normal menu items and HMENU for submenus as | |
232 | // required by ::AppendMenu() API | |
233 | UINT id; | |
234 | wxMenu *submenu = pItem->GetSubMenu(); | |
235 | if ( submenu != NULL ) { | |
236 | wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") ); | |
237 | ||
238 | submenu->SetParent(this); | |
239 | ||
240 | id = (UINT)submenu->GetHMenu(); | |
241 | ||
242 | flags |= MF_POPUP; | |
243 | } | |
244 | else { | |
245 | id = pItem->GetId(); | |
246 | } | |
247 | ||
248 | LPCTSTR pData; | |
249 | ||
250 | #if wxUSE_OWNER_DRAWN | |
251 | if ( pItem->IsOwnerDrawn() ) { // want to get {Measure|Draw}Item messages? | |
252 | // item draws itself, pass pointer to it in data parameter | |
253 | flags |= MF_OWNERDRAW; | |
254 | pData = (LPCTSTR)pItem; | |
255 | } | |
256 | else | |
257 | #endif | |
258 | { | |
259 | // menu is just a normal string (passed in data parameter) | |
260 | flags |= MF_STRING; | |
261 | ||
262 | pData = (wxChar*)pItem->GetText().c_str(); | |
263 | } | |
264 | ||
265 | BOOL ok; | |
266 | if ( pos == (size_t)-1 ) | |
267 | { | |
268 | ok = ::AppendMenu(GetHmenu(), flags, id, pData); | |
269 | } | |
270 | else | |
271 | { | |
272 | ok = ::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData); | |
273 | } | |
274 | ||
275 | if ( !ok ) | |
276 | { | |
277 | wxLogLastError(wxT("Insert or AppendMenu")); | |
278 | ||
279 | return FALSE; | |
280 | } | |
281 | ||
282 | // if we just appended the title, highlight it | |
283 | #ifdef __WIN32__ | |
284 | if ( (int)id == idMenuTitle ) | |
285 | { | |
286 | // visually select the menu title | |
287 | SetDefaultMenuItem(GetHmenu(), id); | |
288 | } | |
289 | #endif // __WIN32__ | |
290 | ||
291 | // if we're already attached to the menubar, we must update it | |
292 | if ( IsAttached() && m_menuBar->IsAttached() ) | |
293 | { | |
294 | m_menuBar->Refresh(); | |
295 | } | |
296 | ||
297 | return TRUE; | |
298 | } | |
299 | ||
300 | void wxMenu::EndRadioGroup() | |
301 | { | |
302 | // we're not inside a radio group any longer | |
303 | m_startRadioGroup = -1; | |
304 | } | |
305 | ||
306 | bool wxMenu::DoAppend(wxMenuItem *item) | |
307 | { | |
308 | wxCHECK_MSG( item, FALSE, _T("NULL item in wxMenu::DoAppend") ); | |
309 | ||
310 | bool check = FALSE; | |
311 | ||
312 | if ( item->GetKind() == wxITEM_RADIO ) | |
313 | { | |
314 | int count = GetMenuItemCount(); | |
315 | ||
316 | if ( m_startRadioGroup == -1 ) | |
317 | { | |
318 | // start a new radio group | |
319 | m_startRadioGroup = count; | |
320 | ||
321 | // for now it has just one element | |
322 | item->SetAsRadioGroupStart(); | |
323 | item->SetRadioGroupEnd(m_startRadioGroup); | |
324 | ||
325 | // ensure that we have a checked item in the radio group | |
326 | check = TRUE; | |
327 | } | |
328 | else // extend the current radio group | |
329 | { | |
330 | // we need to update its end item | |
331 | item->SetRadioGroupStart(m_startRadioGroup); | |
332 | wxMenuItemList::Node *node = GetMenuItems().Item(m_startRadioGroup); | |
333 | ||
334 | if ( node ) | |
335 | { | |
336 | node->GetData()->SetRadioGroupEnd(count); | |
337 | } | |
338 | else | |
339 | { | |
340 | wxFAIL_MSG( _T("where is the radio group start item?") ); | |
341 | } | |
342 | } | |
343 | } | |
344 | else // not a radio item | |
345 | { | |
346 | EndRadioGroup(); | |
347 | } | |
348 | ||
349 | if ( !wxMenuBase::DoAppend(item) || !DoInsertOrAppend(item) ) | |
350 | { | |
351 | return FALSE; | |
352 | } | |
353 | ||
354 | if ( check ) | |
355 | { | |
356 | // check the item initially | |
357 | item->Check(TRUE); | |
358 | } | |
359 | ||
360 | return TRUE; | |
361 | } | |
362 | ||
363 | bool wxMenu::DoInsert(size_t pos, wxMenuItem *item) | |
364 | { | |
365 | return wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos); | |
366 | } | |
367 | ||
368 | wxMenuItem *wxMenu::DoRemove(wxMenuItem *item) | |
369 | { | |
370 | // we need to find the items position in the child list | |
371 | size_t pos; | |
372 | wxMenuItemList::Node *node = GetMenuItems().GetFirst(); | |
373 | for ( pos = 0; node; pos++ ) | |
374 | { | |
375 | if ( node->GetData() == item ) | |
376 | break; | |
377 | ||
378 | node = node->GetNext(); | |
379 | } | |
380 | ||
381 | // DoRemove() (unlike Remove) can only be called for existing item! | |
382 | wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") ); | |
383 | ||
384 | #if wxUSE_ACCEL | |
385 | // remove the corresponding accel from the accel table | |
386 | int n = FindAccel(item->GetId()); | |
387 | if ( n != wxNOT_FOUND ) | |
388 | { | |
389 | delete m_accels[n]; | |
390 | ||
391 | m_accels.RemoveAt(n); | |
392 | } | |
393 | //else: this item doesn't have an accel, nothing to do | |
394 | #endif // wxUSE_ACCEL | |
395 | ||
396 | // remove the item from the menu | |
397 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) | |
398 | { | |
399 | wxLogLastError(wxT("RemoveMenu")); | |
400 | } | |
401 | ||
402 | if ( IsAttached() && m_menuBar->IsAttached() ) | |
403 | { | |
404 | // otherwise, the chane won't be visible | |
405 | m_menuBar->Refresh(); | |
406 | } | |
407 | ||
408 | // and from internal data structures | |
409 | return wxMenuBase::DoRemove(item); | |
410 | } | |
411 | ||
412 | // --------------------------------------------------------------------------- | |
413 | // accelerator helpers | |
414 | // --------------------------------------------------------------------------- | |
415 | ||
416 | #if wxUSE_ACCEL | |
417 | ||
418 | // create the wxAcceleratorEntries for our accels and put them into provided | |
419 | // array - return the number of accels we have | |
420 | size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const | |
421 | { | |
422 | size_t count = GetAccelCount(); | |
423 | for ( size_t n = 0; n < count; n++ ) | |
424 | { | |
425 | *accels++ = *m_accels[n]; | |
426 | } | |
427 | ||
428 | return count; | |
429 | } | |
430 | ||
431 | #endif // wxUSE_ACCEL | |
432 | ||
433 | // --------------------------------------------------------------------------- | |
434 | // set wxMenu title | |
435 | // --------------------------------------------------------------------------- | |
436 | ||
437 | void wxMenu::SetTitle(const wxString& label) | |
438 | { | |
439 | bool hasNoTitle = m_title.IsEmpty(); | |
440 | m_title = label; | |
441 | ||
442 | HMENU hMenu = GetHmenu(); | |
443 | ||
444 | if ( hasNoTitle ) | |
445 | { | |
446 | if ( !label.IsEmpty() ) | |
447 | { | |
448 | if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING, | |
449 | (unsigned)idMenuTitle, m_title) || | |
450 | !::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) ) | |
451 | { | |
452 | wxLogLastError(wxT("InsertMenu")); | |
453 | } | |
454 | } | |
455 | } | |
456 | else | |
457 | { | |
458 | if ( label.IsEmpty() ) | |
459 | { | |
460 | // remove the title and the separator after it | |
461 | if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) || | |
462 | !RemoveMenu(hMenu, 0, MF_BYPOSITION) ) | |
463 | { | |
464 | wxLogLastError(wxT("RemoveMenu")); | |
465 | } | |
466 | } | |
467 | else | |
468 | { | |
469 | // modify the title | |
470 | if ( !ModifyMenu(hMenu, 0u, | |
471 | MF_BYPOSITION | MF_STRING, | |
472 | (unsigned)idMenuTitle, m_title) ) | |
473 | { | |
474 | wxLogLastError(wxT("ModifyMenu")); | |
475 | } | |
476 | } | |
477 | } | |
478 | ||
479 | #ifdef __WIN32__ | |
480 | // put the title string in bold face | |
481 | if ( !m_title.IsEmpty() ) | |
482 | { | |
483 | SetDefaultMenuItem(GetHmenu(), (UINT)idMenuTitle); | |
484 | } | |
485 | #endif // Win32 | |
486 | } | |
487 | ||
488 | // --------------------------------------------------------------------------- | |
489 | // event processing | |
490 | // --------------------------------------------------------------------------- | |
491 | ||
492 | bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id) | |
493 | { | |
494 | // ignore commands from the menu title | |
495 | ||
496 | // NB: VC++ generates wrong assembler for `if ( id != idMenuTitle )'!! | |
497 | if ( id != (WXWORD)idMenuTitle ) | |
498 | { | |
499 | // VZ: previosuly, the command int was set to id too which was quite | |
500 | // useless anyhow (as it could be retrieved using GetId()) and | |
501 | // uncompatible with wxGTK, so now we use the command int instead | |
502 | // to pass the checked status | |
503 | SendEvent(id, ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND) & MF_CHECKED); | |
504 | } | |
505 | ||
506 | return TRUE; | |
507 | } | |
508 | ||
509 | // --------------------------------------------------------------------------- | |
510 | // other | |
511 | // --------------------------------------------------------------------------- | |
512 | ||
513 | wxWindow *wxMenu::GetWindow() const | |
514 | { | |
515 | if ( m_invokingWindow != NULL ) | |
516 | return m_invokingWindow; | |
517 | else if ( m_menuBar != NULL) | |
518 | return m_menuBar->GetFrame(); | |
519 | ||
520 | return NULL; | |
521 | } | |
522 | ||
523 | // --------------------------------------------------------------------------- | |
524 | // Menu Bar | |
525 | // --------------------------------------------------------------------------- | |
526 | ||
527 | void wxMenuBar::Init() | |
528 | { | |
529 | m_eventHandler = this; | |
530 | m_hMenu = 0; | |
531 | } | |
532 | ||
533 | wxMenuBar::wxMenuBar() | |
534 | { | |
535 | Init(); | |
536 | } | |
537 | ||
538 | wxMenuBar::wxMenuBar( long WXUNUSED(style) ) | |
539 | { | |
540 | Init(); | |
541 | } | |
542 | ||
543 | wxMenuBar::wxMenuBar(int count, wxMenu *menus[], const wxString titles[]) | |
544 | { | |
545 | Init(); | |
546 | ||
547 | m_titles.Alloc(count); | |
548 | ||
549 | for ( int i = 0; i < count; i++ ) | |
550 | { | |
551 | m_menus.Append(menus[i]); | |
552 | m_titles.Add(titles[i]); | |
553 | ||
554 | menus[i]->Attach(this); | |
555 | } | |
556 | } | |
557 | ||
558 | wxMenuBar::~wxMenuBar() | |
559 | { | |
560 | } | |
561 | ||
562 | // --------------------------------------------------------------------------- | |
563 | // wxMenuBar helpers | |
564 | // --------------------------------------------------------------------------- | |
565 | ||
566 | void wxMenuBar::Refresh() | |
567 | { | |
568 | wxCHECK_RET( IsAttached(), wxT("can't refresh unattached menubar") ); | |
569 | ||
570 | DrawMenuBar(GetHwndOf(GetFrame())); | |
571 | } | |
572 | ||
573 | WXHMENU wxMenuBar::Create() | |
574 | { | |
575 | if ( m_hMenu != 0 ) | |
576 | return m_hMenu; | |
577 | ||
578 | m_hMenu = (WXHMENU)::CreateMenu(); | |
579 | ||
580 | if ( !m_hMenu ) | |
581 | { | |
582 | wxLogLastError(wxT("CreateMenu")); | |
583 | } | |
584 | else | |
585 | { | |
586 | size_t count = GetMenuCount(); | |
587 | for ( size_t i = 0; i < count; i++ ) | |
588 | { | |
589 | if ( !::AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING, | |
590 | (UINT)m_menus[i]->GetHMenu(), | |
591 | m_titles[i]) ) | |
592 | { | |
593 | wxLogLastError(wxT("AppendMenu")); | |
594 | } | |
595 | } | |
596 | } | |
597 | ||
598 | return m_hMenu; | |
599 | } | |
600 | ||
601 | // --------------------------------------------------------------------------- | |
602 | // wxMenuBar functions to work with the top level submenus | |
603 | // --------------------------------------------------------------------------- | |
604 | ||
605 | // NB: we don't support owner drawn top level items for now, if we do these | |
606 | // functions would have to be changed to use wxMenuItem as well | |
607 | ||
608 | void wxMenuBar::EnableTop(size_t pos, bool enable) | |
609 | { | |
610 | wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") ); | |
611 | ||
612 | int flag = enable ? MF_ENABLED : MF_GRAYED; | |
613 | ||
614 | EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag); | |
615 | ||
616 | Refresh(); | |
617 | } | |
618 | ||
619 | void wxMenuBar::SetLabelTop(size_t pos, const wxString& label) | |
620 | { | |
621 | wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") ); | |
622 | ||
623 | m_titles[pos] = label; | |
624 | ||
625 | if ( !IsAttached() ) | |
626 | { | |
627 | return; | |
628 | } | |
629 | //else: have to modify the existing menu | |
630 | ||
631 | UINT id; | |
632 | UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION); | |
633 | if ( flagsOld == 0xFFFFFFFF ) | |
634 | { | |
635 | wxLogLastError(wxT("GetMenuState")); | |
636 | ||
637 | return; | |
638 | } | |
639 | ||
640 | if ( flagsOld & MF_POPUP ) | |
641 | { | |
642 | // HIBYTE contains the number of items in the submenu in this case | |
643 | flagsOld &= 0xff; | |
644 | id = (UINT)::GetSubMenu((HMENU)m_hMenu, pos); | |
645 | } | |
646 | else | |
647 | { | |
648 | id = pos; | |
649 | } | |
650 | ||
651 | if ( ::ModifyMenu(GetHmenu(), pos, MF_BYPOSITION | MF_STRING | flagsOld, | |
652 | id, label) == (int)0xFFFFFFFF ) | |
653 | { | |
654 | wxLogLastError(wxT("ModifyMenu")); | |
655 | } | |
656 | ||
657 | Refresh(); | |
658 | } | |
659 | ||
660 | wxString wxMenuBar::GetLabelTop(size_t pos) const | |
661 | { | |
662 | wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString, | |
663 | wxT("invalid menu index in wxMenuBar::GetLabelTop") ); | |
664 | ||
665 | return m_titles[pos]; | |
666 | } | |
667 | ||
668 | // --------------------------------------------------------------------------- | |
669 | // wxMenuBar construction | |
670 | // --------------------------------------------------------------------------- | |
671 | ||
672 | wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title) | |
673 | { | |
674 | wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title); | |
675 | if ( !menuOld ) | |
676 | return FALSE; | |
677 | m_titles[pos] = title; | |
678 | ||
679 | if ( IsAttached() ) | |
680 | { | |
681 | // can't use ModifyMenu() because it deletes the submenu it replaces | |
682 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) | |
683 | { | |
684 | wxLogLastError(wxT("RemoveMenu")); | |
685 | } | |
686 | ||
687 | if ( !::InsertMenu(GetHmenu(), (UINT)pos, | |
688 | MF_BYPOSITION | MF_POPUP | MF_STRING, | |
689 | (UINT)GetHmenuOf(menu), title) ) | |
690 | { | |
691 | wxLogLastError(wxT("InsertMenu")); | |
692 | } | |
693 | ||
694 | #if wxUSE_ACCEL | |
695 | if ( menuOld->HasAccels() || menu->HasAccels() ) | |
696 | { | |
697 | // need to rebuild accell table | |
698 | RebuildAccelTable(); | |
699 | } | |
700 | #endif // wxUSE_ACCEL | |
701 | ||
702 | Refresh(); | |
703 | } | |
704 | ||
705 | return menuOld; | |
706 | } | |
707 | ||
708 | bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title) | |
709 | { | |
710 | if ( !wxMenuBarBase::Insert(pos, menu, title) ) | |
711 | return FALSE; | |
712 | ||
713 | m_titles.Insert(title, pos); | |
714 | ||
715 | if ( IsAttached() ) | |
716 | { | |
717 | if ( !::InsertMenu(GetHmenu(), pos, | |
718 | MF_BYPOSITION | MF_POPUP | MF_STRING, | |
719 | (UINT)GetHmenuOf(menu), title) ) | |
720 | { | |
721 | wxLogLastError(wxT("InsertMenu")); | |
722 | } | |
723 | ||
724 | #if wxUSE_ACCEL | |
725 | if ( menu->HasAccels() ) | |
726 | { | |
727 | // need to rebuild accell table | |
728 | RebuildAccelTable(); | |
729 | } | |
730 | #endif // wxUSE_ACCEL | |
731 | ||
732 | Refresh(); | |
733 | } | |
734 | ||
735 | return TRUE; | |
736 | } | |
737 | ||
738 | bool wxMenuBar::Append(wxMenu *menu, const wxString& title) | |
739 | { | |
740 | WXHMENU submenu = menu ? menu->GetHMenu() : 0; | |
741 | wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") ); | |
742 | ||
743 | if ( !wxMenuBarBase::Append(menu, title) ) | |
744 | return FALSE; | |
745 | ||
746 | m_titles.Add(title); | |
747 | ||
748 | if ( IsAttached() ) | |
749 | { | |
750 | if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING, | |
751 | (UINT)submenu, title) ) | |
752 | { | |
753 | wxLogLastError(wxT("AppendMenu")); | |
754 | } | |
755 | ||
756 | #if wxUSE_ACCEL | |
757 | if ( menu->HasAccels() ) | |
758 | { | |
759 | // need to rebuild accell table | |
760 | RebuildAccelTable(); | |
761 | } | |
762 | #endif // wxUSE_ACCEL | |
763 | ||
764 | Refresh(); | |
765 | } | |
766 | ||
767 | return TRUE; | |
768 | } | |
769 | ||
770 | wxMenu *wxMenuBar::Remove(size_t pos) | |
771 | { | |
772 | wxMenu *menu = wxMenuBarBase::Remove(pos); | |
773 | if ( !menu ) | |
774 | return NULL; | |
775 | ||
776 | if ( IsAttached() ) | |
777 | { | |
778 | if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) ) | |
779 | { | |
780 | wxLogLastError(wxT("RemoveMenu")); | |
781 | } | |
782 | ||
783 | #if wxUSE_ACCEL | |
784 | if ( menu->HasAccels() ) | |
785 | { | |
786 | // need to rebuild accell table | |
787 | RebuildAccelTable(); | |
788 | } | |
789 | #endif // wxUSE_ACCEL | |
790 | ||
791 | Refresh(); | |
792 | } | |
793 | ||
794 | m_titles.Remove(pos); | |
795 | ||
796 | return menu; | |
797 | } | |
798 | ||
799 | #if wxUSE_ACCEL | |
800 | ||
801 | void wxMenuBar::RebuildAccelTable() | |
802 | { | |
803 | // merge the accelerators of all menus into one accel table | |
804 | size_t nAccelCount = 0; | |
805 | size_t i, count = GetMenuCount(); | |
806 | for ( i = 0; i < count; i++ ) | |
807 | { | |
808 | nAccelCount += m_menus[i]->GetAccelCount(); | |
809 | } | |
810 | ||
811 | if ( nAccelCount ) | |
812 | { | |
813 | wxAcceleratorEntry *accelEntries = new wxAcceleratorEntry[nAccelCount]; | |
814 | ||
815 | nAccelCount = 0; | |
816 | for ( i = 0; i < count; i++ ) | |
817 | { | |
818 | nAccelCount += m_menus[i]->CopyAccels(&accelEntries[nAccelCount]); | |
819 | } | |
820 | ||
821 | m_accelTable = wxAcceleratorTable(nAccelCount, accelEntries); | |
822 | ||
823 | delete [] accelEntries; | |
824 | } | |
825 | } | |
826 | ||
827 | #endif // wxUSE_ACCEL | |
828 | ||
829 | void wxMenuBar::Attach(wxFrame *frame) | |
830 | { | |
831 | wxMenuBarBase::Attach(frame); | |
832 | ||
833 | #if wxUSE_ACCEL | |
834 | RebuildAccelTable(); | |
835 | #endif // wxUSE_ACCEL | |
836 | } | |
837 | ||
838 | void wxMenuBar::Detach() | |
839 | { | |
840 | m_hMenu = (WXHMENU)NULL; | |
841 | ||
842 | wxMenuBarBase::Detach(); | |
843 | } | |
844 | ||
845 | #endif // wxUSE_MENUS |