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[wxWidgets.git] / src / msw / menu.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/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
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ===========================================================================
13 // declarations
14 // ===========================================================================
15
16 // ---------------------------------------------------------------------------
17 // headers
18 // ---------------------------------------------------------------------------
19
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
22
23 #ifdef __BORLANDC__
24 #pragma hdrstop
25 #endif
26
27 #if wxUSE_MENUS
28
29 #include "wx/menu.h"
30
31 #ifndef WX_PRECOMP
32 #include "wx/frame.h"
33 #include "wx/utils.h"
34 #include "wx/intl.h"
35 #include "wx/log.h"
36 #include "wx/image.h"
37 #endif
38
39 #if wxUSE_OWNER_DRAWN
40 #include "wx/ownerdrw.h"
41 #endif
42
43 #include "wx/scopedarray.h"
44 #include "wx/vector.h"
45
46 #include "wx/msw/private.h"
47 #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
48
49 #ifdef __WXWINCE__
50 #include <windows.h>
51 #include <windowsx.h>
52 #include <tchar.h>
53 #include <ole2.h>
54 #include <shellapi.h>
55 #if (_WIN32_WCE < 400) && !defined(__HANDHELDPC__)
56 #include <aygshell.h>
57 #endif
58
59 #include "wx/msw/wince/missing.h"
60
61 #endif
62
63 // other standard headers
64 #include <string.h>
65
66 #if wxUSE_OWNER_DRAWN
67 #include "wx/dynlib.h"
68 #endif
69
70 #ifndef MNS_CHECKORBMP
71 #define MNS_CHECKORBMP 0x04000000
72 #endif
73 #ifndef MIM_STYLE
74 #define MIM_STYLE 0x00000010
75 #endif
76
77 // ----------------------------------------------------------------------------
78 // global variables
79 // ----------------------------------------------------------------------------
80
81 // ----------------------------------------------------------------------------
82 // constants
83 // ----------------------------------------------------------------------------
84
85 // the (popup) menu title has this special id
86 static const int idMenuTitle = wxID_NONE;
87
88 // ----------------------------------------------------------------------------
89 // private helper classes and functions
90 // ----------------------------------------------------------------------------
91
92 // Contains the data about the radio items groups in the given menu.
93 class wxMenuRadioItemsData
94 {
95 public:
96 wxMenuRadioItemsData() { }
97
98 // Default copy ctor, assignment operator and dtor are all ok.
99
100 // Find the start and end of the group containing the given position or
101 // return false if it's not inside any range.
102 bool GetGroupRange(int pos, int *start, int *end) const
103 {
104 // We use a simple linear search here because there are not that many
105 // items in a menu and hence even fewer radio items ranges anyhow, so
106 // normally there is no need to do anything fancy (like keeping the
107 // array sorted and using binary search).
108 for ( Ranges::const_iterator it = m_ranges.begin();
109 it != m_ranges.end();
110 ++it )
111 {
112 const Range& r = *it;
113
114 if ( r.start <= pos && pos <= r.end )
115 {
116 if ( start )
117 *start = r.start;
118 if ( end )
119 *end = r.end;
120
121 return true;
122 }
123 }
124
125 return false;
126 }
127
128 // Take into account the new radio item about to be added at the given
129 // position.
130 //
131 // Returns true if this item starts a new radio group, false if it extends
132 // an existing one.
133 bool UpdateOnInsert(int pos)
134 {
135 bool inExistingGroup = false;
136
137 for ( Ranges::iterator it = m_ranges.begin();
138 it != m_ranges.end();
139 ++it )
140 {
141 Range& r = *it;
142
143 if ( pos < r.start )
144 {
145 // Item is inserted before this range, update its indices.
146 r.start++;
147 r.end++;
148 }
149 else if ( pos <= r.end + 1 )
150 {
151 // Item is inserted in the middle of this range or immediately
152 // after it in which case it extends this range so make it span
153 // one more item in any case.
154 r.end++;
155
156 inExistingGroup = true;
157 }
158 //else: Item is inserted after this range, nothing to do for it.
159 }
160
161 if ( inExistingGroup )
162 return false;
163
164 // Make a new range for the group this item will belong to.
165 Range r;
166 r.start = pos;
167 r.end = pos;
168 m_ranges.push_back(r);
169
170 return true;
171 }
172
173 private:
174 // Contains the inclusive positions of the range start and end.
175 struct Range
176 {
177 int start;
178 int end;
179 };
180
181 typedef wxVector<Range> Ranges;
182 Ranges m_ranges;
183 };
184
185 namespace
186 {
187
188 // make the given menu item default
189 void SetDefaultMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
190 UINT WXUNUSED_IN_WINCE(id))
191 {
192 #ifndef __WXWINCE__
193 MENUITEMINFO mii;
194 wxZeroMemory(mii);
195 mii.cbSize = sizeof(MENUITEMINFO);
196 mii.fMask = MIIM_STATE;
197 mii.fState = MFS_DEFAULT;
198
199 if ( !::SetMenuItemInfo(hmenu, id, FALSE, &mii) )
200 {
201 wxLogLastError(wxT("SetMenuItemInfo"));
202 }
203 #endif // !__WXWINCE__
204 }
205
206 // make the given menu item owner-drawn
207 void SetOwnerDrawnMenuItem(HMENU WXUNUSED_IN_WINCE(hmenu),
208 UINT WXUNUSED_IN_WINCE(id),
209 ULONG_PTR WXUNUSED_IN_WINCE(data),
210 BOOL WXUNUSED_IN_WINCE(byPositon = FALSE))
211 {
212 #ifndef __WXWINCE__
213 MENUITEMINFO mii;
214 wxZeroMemory(mii);
215 mii.cbSize = sizeof(MENUITEMINFO);
216 mii.fMask = MIIM_FTYPE | MIIM_DATA;
217 mii.fType = MFT_OWNERDRAW;
218 mii.dwItemData = data;
219
220 if ( reinterpret_cast<wxMenuItem*>(data)->IsSeparator() )
221 mii.fType |= MFT_SEPARATOR;
222
223 if ( !::SetMenuItemInfo(hmenu, id, byPositon, &mii) )
224 {
225 wxLogLastError(wxT("SetMenuItemInfo"));
226 }
227 #endif // !__WXWINCE__
228 }
229
230 #ifdef __WXWINCE__
231 UINT GetMenuState(HMENU hMenu, UINT id, UINT flags)
232 {
233 MENUITEMINFO info;
234 wxZeroMemory(info);
235 info.cbSize = sizeof(info);
236 info.fMask = MIIM_STATE;
237 // MF_BYCOMMAND is zero so test MF_BYPOSITION
238 if ( !::GetMenuItemInfo(hMenu, id, flags & MF_BYPOSITION ? TRUE : FALSE , & info) )
239 {
240 wxLogLastError(wxT("GetMenuItemInfo"));
241 }
242 return info.fState;
243 }
244 #endif // __WXWINCE__
245
246 inline bool IsGreaterThanStdSize(const wxBitmap& bmp)
247 {
248 return bmp.GetWidth() > ::GetSystemMetrics(SM_CXMENUCHECK) ||
249 bmp.GetHeight() > ::GetSystemMetrics(SM_CYMENUCHECK);
250 }
251
252 } // anonymous namespace
253
254 // ============================================================================
255 // implementation
256 // ============================================================================
257
258 // ---------------------------------------------------------------------------
259 // wxMenu construction, adding and removing menu items
260 // ---------------------------------------------------------------------------
261
262 // Construct a menu with optional title (then use append)
263 void wxMenu::InitNoCreate()
264 {
265 m_radioData = NULL;
266 m_doBreak = false;
267
268 #if wxUSE_OWNER_DRAWN
269 m_ownerDrawn = false;
270 m_maxBitmapWidth = 0;
271 m_maxAccelWidth = -1;
272 #endif // wxUSE_OWNER_DRAWN
273 }
274
275 void wxMenu::Init()
276 {
277 InitNoCreate();
278
279 // create the menu
280 m_hMenu = (WXHMENU)CreatePopupMenu();
281 if ( !m_hMenu )
282 {
283 wxLogLastError(wxT("CreatePopupMenu"));
284 }
285
286 // if we have a title, insert it in the beginning of the menu
287 if ( !m_title.empty() )
288 {
289 const wxString title = m_title;
290 m_title.clear(); // so that SetTitle() knows there was no title before
291 SetTitle(title);
292 }
293 }
294
295 wxMenu::wxMenu(WXHMENU hMenu)
296 {
297 InitNoCreate();
298
299 m_hMenu = hMenu;
300
301 // Ensure that our internal idea of how many items we have corresponds to
302 // the real number of items in the menu.
303 //
304 // We could also retrieve the real labels of the items here but it doesn't
305 // seem to be worth the trouble.
306 const int numExistingItems = ::GetMenuItemCount(m_hMenu);
307 for ( int n = 0; n < numExistingItems; n++ )
308 {
309 wxMenuBase::DoAppend(wxMenuItem::New(this, wxID_SEPARATOR));
310 }
311 }
312
313 // The wxWindow destructor will take care of deleting the submenus.
314 wxMenu::~wxMenu()
315 {
316 // we should free Windows resources only if Windows doesn't do it for us
317 // which happens if we're attached to a menubar or a submenu of another
318 // menu
319 if ( !IsAttached() && !GetParent() )
320 {
321 if ( !::DestroyMenu(GetHmenu()) )
322 {
323 wxLogLastError(wxT("DestroyMenu"));
324 }
325 }
326
327 #if wxUSE_ACCEL
328 // delete accels
329 WX_CLEAR_ARRAY(m_accels);
330 #endif // wxUSE_ACCEL
331
332 delete m_radioData;
333 }
334
335 void wxMenu::Break()
336 {
337 // this will take effect during the next call to Append()
338 m_doBreak = true;
339 }
340
341 #if wxUSE_ACCEL
342
343 int wxMenu::FindAccel(int id) const
344 {
345 size_t n, count = m_accels.GetCount();
346 for ( n = 0; n < count; n++ )
347 {
348 if ( m_accels[n]->m_command == id )
349 return n;
350 }
351
352 return wxNOT_FOUND;
353 }
354
355 void wxMenu::UpdateAccel(wxMenuItem *item)
356 {
357 if ( item->IsSubMenu() )
358 {
359 wxMenu *submenu = item->GetSubMenu();
360 wxMenuItemList::compatibility_iterator node = submenu->GetMenuItems().GetFirst();
361 while ( node )
362 {
363 UpdateAccel(node->GetData());
364
365 node = node->GetNext();
366 }
367 }
368 else if ( !item->IsSeparator() )
369 {
370 // recurse upwards: we should only modify m_accels of the top level
371 // menus, not of the submenus as wxMenuBar doesn't look at them
372 // (alternative and arguable cleaner solution would be to recurse
373 // downwards in GetAccelCount() and CopyAccels())
374 if ( GetParent() )
375 {
376 GetParent()->UpdateAccel(item);
377 return;
378 }
379
380 // find the (new) accel for this item
381 wxAcceleratorEntry *accel = wxAcceleratorEntry::Create(item->GetItemLabel());
382 if ( accel )
383 accel->m_command = item->GetId();
384
385 // find the old one
386 int n = FindAccel(item->GetId());
387 if ( n == wxNOT_FOUND )
388 {
389 // no old, add new if any
390 if ( accel )
391 m_accels.Add(accel);
392 else
393 return; // skipping RebuildAccelTable() below
394 }
395 else
396 {
397 // replace old with new or just remove the old one if no new
398 delete m_accels[n];
399 if ( accel )
400 m_accels[n] = accel;
401 else
402 m_accels.RemoveAt(n);
403 }
404
405 if ( IsAttached() )
406 {
407 GetMenuBar()->RebuildAccelTable();
408 }
409
410 ResetMaxAccelWidth();
411 }
412 //else: it is a separator, they can't have accels, nothing to do
413 }
414
415 #endif // wxUSE_ACCEL
416
417 namespace
418 {
419
420 // helper of DoInsertOrAppend(): returns the HBITMAP to use in MENUITEMINFO
421 HBITMAP GetHBitmapForMenu(wxMenuItem *pItem, bool checked = true)
422 {
423 // Under versions of Windows older than Vista we can't pass HBITMAP
424 // directly as hbmpItem for 2 reasons:
425 // 1. We can't draw it with transparency then (this is not
426 // very important now but would be with themed menu bg)
427 // 2. Worse, Windows inverts the bitmap for the selected
428 // item and this looks downright ugly
429 //
430 // So we prefer to instead draw it ourselves in MSWOnDrawItem().by using
431 // HBMMENU_CALLBACK when inserting it
432 //
433 // However under Vista using HBMMENU_CALLBACK causes the entire menu to be
434 // drawn using the classic theme instead of the current one and it does
435 // handle transparency just fine so do use the real bitmap there
436 #if wxUSE_IMAGE
437 if ( wxGetWinVersion() >= wxWinVersion_Vista )
438 {
439 wxBitmap bmp = pItem->GetBitmap(checked);
440 if ( bmp.IsOk() )
441 {
442 // we must use PARGB DIB for the menu bitmaps so ensure that we do
443 wxImage img(bmp.ConvertToImage());
444 if ( !img.HasAlpha() )
445 {
446 img.InitAlpha();
447 pItem->SetBitmap(img, checked);
448 }
449
450 return GetHbitmapOf(pItem->GetBitmap(checked));
451 }
452 //else: bitmap is not set
453
454 return NULL;
455 }
456 #endif // wxUSE_IMAGE
457
458 return HBMMENU_CALLBACK;
459 }
460
461 } // anonymous namespace
462
463 bool wxMenu::MSWGetRadioGroupRange(int pos, int *start, int *end) const
464 {
465 return m_radioData && m_radioData->GetGroupRange(pos, start, end);
466 }
467
468 // append a new item or submenu to the menu
469 bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
470 {
471 #if wxUSE_ACCEL
472 UpdateAccel(pItem);
473 #endif // wxUSE_ACCEL
474
475 // we should support disabling the item even prior to adding it to the menu
476 UINT flags = pItem->IsEnabled() ? MF_ENABLED : MF_GRAYED;
477
478 // if "Break" has just been called, insert a menu break before this item
479 // (and don't forget to reset the flag)
480 if ( m_doBreak ) {
481 flags |= MF_MENUBREAK;
482 m_doBreak = false;
483 }
484
485 if ( pItem->IsSeparator() ) {
486 flags |= MF_SEPARATOR;
487 }
488
489 // id is the numeric id for normal menu items and HMENU for submenus as
490 // required by ::AppendMenu() API
491 UINT_PTR id;
492 wxMenu *submenu = pItem->GetSubMenu();
493 if ( submenu != NULL ) {
494 wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") );
495
496 submenu->SetParent(this);
497
498 id = (UINT_PTR)submenu->GetHMenu();
499
500 flags |= MF_POPUP;
501 }
502 else {
503 id = pItem->GetMSWId();
504 }
505
506
507 // prepare to insert the item in the menu
508 wxString itemText = pItem->GetItemLabel();
509 LPCTSTR pData = NULL;
510 if ( pos == (size_t)-1 )
511 {
512 // append at the end (note that the item is already appended to
513 // internal data structures)
514 pos = GetMenuItemCount() - 1;
515 }
516
517 // Update radio groups data if we're inserting a new radio item.
518 //
519 // NB: If we supported inserting non-radio items in the middle of existing
520 // radio groups to break them into two subgroups, we'd need to update
521 // m_radioData in this case too but currently this is not supported.
522 bool checkInitially = false;
523 if ( pItem->GetKind() == wxITEM_RADIO )
524 {
525 if ( !m_radioData )
526 m_radioData = new wxMenuRadioItemsData;
527
528 if ( m_radioData->UpdateOnInsert(pos) )
529 checkInitially = true;
530 }
531
532 // adjust position to account for the title of a popup menu, if any
533 if ( !GetMenuBar() && !m_title.empty() )
534 pos += 2; // for the title itself and its separator
535
536 BOOL ok = false;
537
538 #if wxUSE_OWNER_DRAWN
539 // Under older systems mixing owner-drawn and non-owner-drawn items results
540 // in inconsistent margins, so we force this one to be owner-drawn if any
541 // other items already are.
542 if ( m_ownerDrawn )
543 pItem->SetOwnerDrawn(true);
544 #endif // wxUSE_OWNER_DRAWN
545
546 // check if we have something more than a simple text item
547 #if wxUSE_OWNER_DRAWN
548 if ( pItem->IsOwnerDrawn() )
549 {
550 #ifndef __DMC__
551
552 if ( !m_ownerDrawn && !pItem->IsSeparator() )
553 {
554 // MIIM_BITMAP only works under WinME/2000+ so we always use owner
555 // drawn item under the previous versions and we also have to use
556 // them in any case if the item has custom colours or font
557 static const wxWinVersion winver = wxGetWinVersion();
558 bool mustUseOwnerDrawn = winver < wxWinVersion_98 ||
559 pItem->GetTextColour().IsOk() ||
560 pItem->GetBackgroundColour().IsOk() ||
561 pItem->GetFont().IsOk();
562
563 if ( !mustUseOwnerDrawn )
564 {
565 const wxBitmap& bmpUnchecked = pItem->GetBitmap(false),
566 bmpChecked = pItem->GetBitmap(true);
567
568 if ( (bmpUnchecked.IsOk() && IsGreaterThanStdSize(bmpUnchecked)) ||
569 (bmpChecked.IsOk() && IsGreaterThanStdSize(bmpChecked)) )
570 {
571 mustUseOwnerDrawn = true;
572 }
573 }
574
575 // use InsertMenuItem() if possible as it's guaranteed to look
576 // correct while our owner-drawn code is not
577 if ( !mustUseOwnerDrawn )
578 {
579 WinStruct<MENUITEMINFO> mii;
580 mii.fMask = MIIM_STRING | MIIM_DATA;
581
582 // don't set hbmpItem for the checkable items as it would
583 // be used for both checked and unchecked state
584 if ( pItem->IsCheckable() )
585 {
586 mii.fMask |= MIIM_CHECKMARKS;
587 mii.hbmpChecked = GetHBitmapForMenu(pItem, true);
588 mii.hbmpUnchecked = GetHBitmapForMenu(pItem, false);
589 }
590 else if ( pItem->GetBitmap().IsOk() )
591 {
592 mii.fMask |= MIIM_BITMAP;
593 mii.hbmpItem = GetHBitmapForMenu(pItem);
594 }
595
596 mii.cch = itemText.length();
597 mii.dwTypeData = const_cast<wxChar *>(itemText.wx_str());
598
599 if ( flags & MF_POPUP )
600 {
601 mii.fMask |= MIIM_SUBMENU;
602 mii.hSubMenu = GetHmenuOf(pItem->GetSubMenu());
603 }
604 else
605 {
606 mii.fMask |= MIIM_ID;
607 mii.wID = id;
608 }
609
610 mii.dwItemData = reinterpret_cast<ULONG_PTR>(pItem);
611
612 ok = ::InsertMenuItem(GetHmenu(), pos, TRUE /* by pos */, &mii);
613 if ( !ok )
614 {
615 wxLogLastError(wxT("InsertMenuItem()"));
616 }
617 else // InsertMenuItem() ok
618 {
619 // we need to remove the extra indent which is reserved for
620 // the checkboxes by default as it looks ugly unless check
621 // boxes are used together with bitmaps and this is not the
622 // case in wx API
623 WinStruct<MENUINFO> mi;
624
625 // don't call SetMenuInfo() directly, this would prevent
626 // the app from starting up under Windows 95/NT 4
627 typedef BOOL (WINAPI *SetMenuInfo_t)(HMENU, MENUINFO *);
628
629 wxDynamicLibrary dllUser(wxT("user32"));
630 wxDYNLIB_FUNCTION(SetMenuInfo_t, SetMenuInfo, dllUser);
631 if ( pfnSetMenuInfo )
632 {
633 mi.fMask = MIM_STYLE;
634 mi.dwStyle = MNS_CHECKORBMP;
635 if ( !(*pfnSetMenuInfo)(GetHmenu(), &mi) )
636 {
637 wxLogLastError(wxT("SetMenuInfo(MNS_NOCHECK)"));
638 }
639 }
640
641 // tell the item that it's not really owner-drawn but only
642 // needs to draw its bitmap, the rest is done by Windows
643 pItem->SetOwnerDrawn(false);
644 }
645 }
646 }
647 #endif // __DMC__
648
649 if ( !ok )
650 {
651 // item draws itself, pass pointer to it in data parameter
652 flags |= MF_OWNERDRAW;
653 pData = (LPCTSTR)pItem;
654
655 bool updateAllMargins = false;
656
657 // get size of bitmap always return valid value (0 for invalid bitmap),
658 // so we don't needed check if bitmap is valid ;)
659 int uncheckedW = pItem->GetBitmap(false).GetWidth();
660 int checkedW = pItem->GetBitmap(true).GetWidth();
661
662 if ( m_maxBitmapWidth < uncheckedW )
663 {
664 m_maxBitmapWidth = uncheckedW;
665 updateAllMargins = true;
666 }
667
668 if ( m_maxBitmapWidth < checkedW )
669 {
670 m_maxBitmapWidth = checkedW;
671 updateAllMargins = true;
672 }
673
674 // make other item ownerdrawn and update margin width for equals alignment
675 if ( !m_ownerDrawn || updateAllMargins )
676 {
677 // we must use position in SetOwnerDrawnMenuItem because
678 // all separators have the same id
679 int pos = 0;
680 wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
681 while (node)
682 {
683 wxMenuItem* item = node->GetData();
684
685 if ( !item->IsOwnerDrawn())
686 {
687 item->SetOwnerDrawn(true);
688 SetOwnerDrawnMenuItem(GetHmenu(), pos,
689 reinterpret_cast<ULONG_PTR>(item), TRUE);
690 }
691
692 item->SetMarginWidth(m_maxBitmapWidth);
693
694 node = node->GetNext();
695 pos++;
696 }
697
698 // set menu as ownerdrawn
699 m_ownerDrawn = true;
700
701 ResetMaxAccelWidth();
702 }
703 // only update our margin for equals alignment to other item
704 else if ( !updateAllMargins )
705 {
706 pItem->SetMarginWidth(m_maxBitmapWidth);
707 }
708 }
709 }
710 else
711 #endif // wxUSE_OWNER_DRAWN
712 {
713 // item is just a normal string (passed in data parameter)
714 flags |= MF_STRING;
715
716 #ifdef __WXWINCE__
717 itemText = wxMenuItem::GetLabelText(itemText);
718 #endif
719
720 pData = (wxChar*)itemText.wx_str();
721 }
722
723 // item might have already been inserted by InsertMenuItem() above
724 if ( !ok )
725 {
726 if ( !::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData) )
727 {
728 wxLogLastError(wxT("InsertMenu[Item]()"));
729
730 return false;
731 }
732 }
733
734
735 // Check the item if it should be initially checked.
736 if ( checkInitially )
737 pItem->Check(true);
738
739 // if we just appended the title, highlight it
740 if ( id == (UINT_PTR)idMenuTitle )
741 {
742 // visually select the menu title
743 SetDefaultMenuItem(GetHmenu(), id);
744 }
745
746 // if we're already attached to the menubar, we must update it
747 if ( IsAttached() && GetMenuBar()->IsAttached() )
748 {
749 GetMenuBar()->Refresh();
750 }
751
752 return true;
753 }
754
755 wxMenuItem* wxMenu::DoAppend(wxMenuItem *item)
756 {
757 return wxMenuBase::DoAppend(item) && DoInsertOrAppend(item) ? item : NULL;
758 }
759
760 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
761 {
762 if (wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos))
763 return item;
764 else
765 return NULL;
766 }
767
768 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
769 {
770 // we need to find the item's position in the child list
771 size_t pos;
772 wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
773 for ( pos = 0; node; pos++ )
774 {
775 if ( node->GetData() == item )
776 break;
777
778 node = node->GetNext();
779 }
780
781 // DoRemove() (unlike Remove) can only be called for an existing item!
782 wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
783
784 #if wxUSE_ACCEL
785 // remove the corresponding accel from the accel table
786 int n = FindAccel(item->GetId());
787 if ( n != wxNOT_FOUND )
788 {
789 delete m_accels[n];
790
791 m_accels.RemoveAt(n);
792
793 ResetMaxAccelWidth();
794 }
795 //else: this item doesn't have an accel, nothing to do
796 #endif // wxUSE_ACCEL
797
798 // remove the item from the menu
799 if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
800 {
801 wxLogLastError(wxT("RemoveMenu"));
802 }
803
804 if ( IsAttached() && GetMenuBar()->IsAttached() )
805 {
806 // otherwise, the change won't be visible
807 GetMenuBar()->Refresh();
808 }
809
810 // and from internal data structures
811 return wxMenuBase::DoRemove(item);
812 }
813
814 // ---------------------------------------------------------------------------
815 // accelerator helpers
816 // ---------------------------------------------------------------------------
817
818 #if wxUSE_ACCEL
819
820 // create the wxAcceleratorEntries for our accels and put them into the provided
821 // array - return the number of accels we have
822 size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const
823 {
824 size_t count = GetAccelCount();
825 for ( size_t n = 0; n < count; n++ )
826 {
827 *accels++ = *m_accels[n];
828 }
829
830 return count;
831 }
832
833 wxAcceleratorTable *wxMenu::CreateAccelTable() const
834 {
835 const size_t count = m_accels.size();
836 wxScopedArray<wxAcceleratorEntry> accels(new wxAcceleratorEntry[count]);
837 CopyAccels(accels.get());
838
839 return new wxAcceleratorTable(count, accels.get());
840 }
841
842 #endif // wxUSE_ACCEL
843
844 // ---------------------------------------------------------------------------
845 // ownerdrawn helpers
846 // ---------------------------------------------------------------------------
847
848 #if wxUSE_OWNER_DRAWN
849
850 void wxMenu::CalculateMaxAccelWidth()
851 {
852 wxASSERT_MSG( m_maxAccelWidth == -1, wxT("it's really needed?") );
853
854 wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
855 while (node)
856 {
857 wxMenuItem* item = node->GetData();
858
859 if ( item->IsOwnerDrawn() )
860 {
861 int width = item->MeasureAccelWidth();
862 if (width > m_maxAccelWidth )
863 m_maxAccelWidth = width;
864 }
865
866 node = node->GetNext();
867 }
868 }
869
870 #endif // wxUSE_OWNER_DRAWN
871
872 // ---------------------------------------------------------------------------
873 // set wxMenu title
874 // ---------------------------------------------------------------------------
875
876 void wxMenu::SetTitle(const wxString& label)
877 {
878 bool hasNoTitle = m_title.empty();
879 m_title = label;
880
881 HMENU hMenu = GetHmenu();
882
883 if ( hasNoTitle )
884 {
885 if ( !label.empty() )
886 {
887 if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
888 (UINT_PTR)idMenuTitle, m_title.wx_str()) ||
889 !::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
890 {
891 wxLogLastError(wxT("InsertMenu"));
892 }
893 }
894 }
895 else
896 {
897 if ( label.empty() )
898 {
899 // remove the title and the separator after it
900 if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) ||
901 !RemoveMenu(hMenu, 0, MF_BYPOSITION) )
902 {
903 wxLogLastError(wxT("RemoveMenu"));
904 }
905 }
906 else
907 {
908 // modify the title
909 #ifdef __WXWINCE__
910 MENUITEMINFO info;
911 wxZeroMemory(info);
912 info.cbSize = sizeof(info);
913 info.fMask = MIIM_TYPE;
914 info.fType = MFT_STRING;
915 info.cch = m_title.length();
916 info.dwTypeData = const_cast<wxChar *>(m_title.wx_str());
917 if ( !SetMenuItemInfo(hMenu, 0, TRUE, & info) )
918 {
919 wxLogLastError(wxT("SetMenuItemInfo"));
920 }
921 #else
922 if ( !ModifyMenu(hMenu, 0u,
923 MF_BYPOSITION | MF_STRING,
924 (UINT_PTR)idMenuTitle, m_title.wx_str()) )
925 {
926 wxLogLastError(wxT("ModifyMenu"));
927 }
928 #endif
929 }
930 }
931
932 #ifdef __WIN32__
933 // put the title string in bold face
934 if ( !m_title.empty() )
935 {
936 SetDefaultMenuItem(GetHmenu(), (UINT_PTR)idMenuTitle);
937 }
938 #endif // Win32
939 }
940
941 // ---------------------------------------------------------------------------
942 // event processing
943 // ---------------------------------------------------------------------------
944
945 bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id_)
946 {
947 const int id = (signed short)id_;
948
949 // ignore commands from the menu title
950 if ( id != idMenuTitle )
951 {
952 // update the check item when it's clicked
953 wxMenuItem * const item = FindItem(id);
954 if ( item && item->IsCheckable() )
955 item->Toggle();
956
957 // get the status of the menu item: note that it has been just changed
958 // by Toggle() above so here we already get the new state of the item
959 UINT menuState = ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND);
960 SendEvent(id, menuState & MF_CHECKED);
961 }
962
963 return true;
964 }
965
966 // get the menu with given handle (recursively)
967 wxMenu* wxMenu::MSWGetMenu(WXHMENU hMenu)
968 {
969 // check self
970 if ( GetHMenu() == hMenu )
971 return this;
972
973 // recursively query submenus
974 for ( size_t n = 0 ; n < GetMenuItemCount(); ++n )
975 {
976 wxMenuItem* item = FindItemByPosition(n);
977 wxMenu* submenu = item->GetSubMenu();
978 if ( submenu )
979 {
980 submenu = submenu->MSWGetMenu(hMenu);
981 if (submenu)
982 return submenu;
983 }
984 }
985
986 // unknown hMenu
987 return NULL;
988 }
989
990 // ---------------------------------------------------------------------------
991 // Menu Bar
992 // ---------------------------------------------------------------------------
993
994 void wxMenuBar::Init()
995 {
996 m_eventHandler = this;
997 m_hMenu = 0;
998 #if wxUSE_TOOLBAR && defined(__WXWINCE__)
999 m_toolBar = NULL;
1000 #endif
1001 // Not using a combined wxToolBar/wxMenuBar? then use
1002 // a commandbar in WinCE .NET just to implement the
1003 // menubar.
1004 #if defined(WINCE_WITH_COMMANDBAR)
1005 m_commandBar = NULL;
1006 m_adornmentsAdded = false;
1007 #endif
1008 }
1009
1010 wxMenuBar::wxMenuBar()
1011 {
1012 Init();
1013 }
1014
1015 wxMenuBar::wxMenuBar( long WXUNUSED(style) )
1016 {
1017 Init();
1018 }
1019
1020 wxMenuBar::wxMenuBar(size_t count, wxMenu *menus[], const wxString titles[], long WXUNUSED(style))
1021 {
1022 Init();
1023
1024 for ( size_t i = 0; i < count; i++ )
1025 {
1026 // We just want to store the menu title in the menu itself, not to
1027 // show it as a dummy item in the menu itself as we do with the popup
1028 // menu titles in overridden wxMenu::SetTitle().
1029 menus[i]->wxMenuBase::SetTitle(titles[i]);
1030 m_menus.Append(menus[i]);
1031
1032 menus[i]->Attach(this);
1033 }
1034 }
1035
1036 wxMenuBar::~wxMenuBar()
1037 {
1038 // In Windows CE (not .NET), the menubar is always associated
1039 // with a toolbar, which destroys the menu implicitly.
1040 #if defined(WINCE_WITHOUT_COMMANDBAR) && defined(__POCKETPC__)
1041 if (GetToolBar())
1042 {
1043 wxToolMenuBar* toolMenuBar = wxDynamicCast(GetToolBar(), wxToolMenuBar);
1044 if (toolMenuBar)
1045 toolMenuBar->SetMenuBar(NULL);
1046 }
1047 #else
1048 // we should free Windows resources only if Windows doesn't do it for us
1049 // which happens if we're attached to a frame
1050 if (m_hMenu && !IsAttached())
1051 {
1052 #if defined(WINCE_WITH_COMMANDBAR)
1053 ::DestroyWindow((HWND) m_commandBar);
1054 m_commandBar = (WXHWND) NULL;
1055 #else
1056 ::DestroyMenu((HMENU)m_hMenu);
1057 #endif
1058 m_hMenu = (WXHMENU)NULL;
1059 }
1060 #endif
1061 }
1062
1063 // ---------------------------------------------------------------------------
1064 // wxMenuBar helpers
1065 // ---------------------------------------------------------------------------
1066
1067 void wxMenuBar::Refresh()
1068 {
1069 if ( IsFrozen() )
1070 return;
1071
1072 wxCHECK_RET( IsAttached(), wxT("can't refresh unattached menubar") );
1073
1074 #if defined(WINCE_WITHOUT_COMMANDBAR)
1075 if (GetToolBar())
1076 {
1077 CommandBar_DrawMenuBar((HWND) GetToolBar()->GetHWND(), 0);
1078 }
1079 #elif defined(WINCE_WITH_COMMANDBAR)
1080 if (m_commandBar)
1081 DrawMenuBar((HWND) m_commandBar);
1082 #else
1083 DrawMenuBar(GetHwndOf(GetFrame()));
1084 #endif
1085 }
1086
1087 WXHMENU wxMenuBar::Create()
1088 {
1089 // Note: this doesn't work at all on Smartphone,
1090 // since you have to use resources.
1091 // We'll have to find another way to add a menu
1092 // by changing/adding menu items to an existing menu.
1093 #if defined(WINCE_WITHOUT_COMMANDBAR)
1094 if ( m_hMenu != 0 )
1095 return m_hMenu;
1096
1097 wxToolMenuBar * const bar = static_cast<wxToolMenuBar *>(GetToolBar());
1098 if ( !bar )
1099 return NULL;
1100
1101 HWND hCommandBar = GetHwndOf(bar);
1102
1103 // notify comctl32.dll about the version of the headers we use before using
1104 // any other TB_XXX messages
1105 SendMessage(hCommandBar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
1106
1107 TBBUTTON tbButton;
1108 wxZeroMemory(tbButton);
1109 tbButton.iBitmap = I_IMAGENONE;
1110 tbButton.fsState = TBSTATE_ENABLED;
1111 tbButton.fsStyle = TBSTYLE_DROPDOWN |
1112 TBSTYLE_NO_DROPDOWN_ARROW |
1113 TBSTYLE_AUTOSIZE;
1114
1115 for ( unsigned i = 0; i < GetMenuCount(); i++ )
1116 {
1117 HMENU hPopupMenu = (HMENU) GetMenu(i)->GetHMenu();
1118 tbButton.dwData = (DWORD)hPopupMenu;
1119 wxString label = wxStripMenuCodes(GetMenuLabel(i));
1120 tbButton.iString = (int) label.wx_str();
1121
1122 tbButton.idCommand = NewControlId();
1123 if ( !::SendMessage(hCommandBar, TB_INSERTBUTTON, i, (LPARAM)&tbButton) )
1124 {
1125 wxLogLastError(wxT("TB_INSERTBUTTON"));
1126 }
1127 }
1128
1129 m_hMenu = bar->GetHMenu();
1130 return m_hMenu;
1131 #else // !__WXWINCE__
1132 if ( m_hMenu != 0 )
1133 return m_hMenu;
1134
1135 m_hMenu = (WXHMENU)::CreateMenu();
1136
1137 if ( !m_hMenu )
1138 {
1139 wxLogLastError(wxT("CreateMenu"));
1140 }
1141 else
1142 {
1143 for ( wxMenuList::iterator it = m_menus.begin();
1144 it != m_menus.end();
1145 ++it )
1146 {
1147 if ( !::AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING,
1148 (UINT_PTR)(*it)->GetHMenu(),
1149 (*it)->GetTitle().wx_str()) )
1150 {
1151 wxLogLastError(wxT("AppendMenu"));
1152 }
1153 }
1154 }
1155
1156 return m_hMenu;
1157 #endif // __WXWINCE__/!__WXWINCE__
1158 }
1159
1160 int wxMenuBar::MSWPositionForWxMenu(wxMenu *menu, int wxpos)
1161 {
1162 wxASSERT(menu);
1163 wxASSERT(menu->GetHMenu());
1164 wxASSERT(m_hMenu);
1165
1166 #if defined(__WXWINCE__)
1167 int totalMSWItems = GetMenuCount();
1168 #else
1169 int totalMSWItems = GetMenuItemCount((HMENU)m_hMenu);
1170 #endif
1171
1172 int i; // For old C++ compatibility
1173 for(i=wxpos; i<totalMSWItems; i++)
1174 {
1175 if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
1176 return i;
1177 }
1178 for(i=0; i<wxpos; i++)
1179 {
1180 if(GetSubMenu((HMENU)m_hMenu,i)==(HMENU)menu->GetHMenu())
1181 return i;
1182 }
1183 wxFAIL;
1184 return -1;
1185 }
1186
1187 // ---------------------------------------------------------------------------
1188 // wxMenuBar functions to work with the top level submenus
1189 // ---------------------------------------------------------------------------
1190
1191 // NB: we don't support owner drawn top level items for now, if we do these
1192 // functions would have to be changed to use wxMenuItem as well
1193
1194 void wxMenuBar::EnableTop(size_t pos, bool enable)
1195 {
1196 wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
1197 wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
1198
1199 int flag = enable ? MF_ENABLED : MF_GRAYED;
1200
1201 EnableMenuItem((HMENU)m_hMenu, MSWPositionForWxMenu(GetMenu(pos),pos), MF_BYPOSITION | flag);
1202
1203 Refresh();
1204 }
1205
1206 void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label)
1207 {
1208 wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
1209
1210 m_menus[pos]->wxMenuBase::SetTitle(label);
1211
1212 if ( !IsAttached() )
1213 {
1214 return;
1215 }
1216 //else: have to modify the existing menu
1217
1218 int mswpos = MSWPositionForWxMenu(GetMenu(pos),pos);
1219
1220 UINT_PTR id;
1221 UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, mswpos, MF_BYPOSITION);
1222 if ( flagsOld == 0xFFFFFFFF )
1223 {
1224 wxLogLastError(wxT("GetMenuState"));
1225
1226 return;
1227 }
1228
1229 if ( flagsOld & MF_POPUP )
1230 {
1231 // HIBYTE contains the number of items in the submenu in this case
1232 flagsOld &= 0xff;
1233 id = (UINT_PTR)::GetSubMenu((HMENU)m_hMenu, mswpos);
1234 }
1235 else
1236 {
1237 id = pos;
1238 }
1239
1240 #ifdef __WXWINCE__
1241 MENUITEMINFO info;
1242 wxZeroMemory(info);
1243 info.cbSize = sizeof(info);
1244 info.fMask = MIIM_TYPE;
1245 info.fType = MFT_STRING;
1246 info.cch = label.length();
1247 info.dwTypeData = const_cast<wxChar *>(label.wx_str());
1248 if ( !SetMenuItemInfo(GetHmenu(), id, TRUE, &info) )
1249 {
1250 wxLogLastError(wxT("SetMenuItemInfo"));
1251 }
1252
1253 #else
1254 if ( ::ModifyMenu(GetHmenu(), mswpos, MF_BYPOSITION | MF_STRING | flagsOld,
1255 id, label.wx_str()) == (int)0xFFFFFFFF )
1256 {
1257 wxLogLastError(wxT("ModifyMenu"));
1258 }
1259 #endif
1260
1261 Refresh();
1262 }
1263
1264 wxString wxMenuBar::GetMenuLabel(size_t pos) const
1265 {
1266 wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
1267 wxT("invalid menu index in wxMenuBar::GetMenuLabel") );
1268
1269 return m_menus[pos]->GetTitle();
1270 }
1271
1272 // ---------------------------------------------------------------------------
1273 // wxMenuBar construction
1274 // ---------------------------------------------------------------------------
1275
1276 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
1277 {
1278 wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
1279 if ( !menuOld )
1280 return NULL;
1281
1282 menu->wxMenuBase::SetTitle(title);
1283
1284 #if defined(WINCE_WITHOUT_COMMANDBAR)
1285 if (IsAttached())
1286 #else
1287 if (GetHmenu())
1288 #endif
1289 {
1290 int mswpos = MSWPositionForWxMenu(menuOld,pos);
1291
1292 // can't use ModifyMenu() because it deletes the submenu it replaces
1293 if ( !::RemoveMenu(GetHmenu(), (UINT)mswpos, MF_BYPOSITION) )
1294 {
1295 wxLogLastError(wxT("RemoveMenu"));
1296 }
1297
1298 if ( !::InsertMenu(GetHmenu(), (UINT)mswpos,
1299 MF_BYPOSITION | MF_POPUP | MF_STRING,
1300 (UINT_PTR)GetHmenuOf(menu), title.wx_str()) )
1301 {
1302 wxLogLastError(wxT("InsertMenu"));
1303 }
1304
1305 #if wxUSE_ACCEL
1306 if ( menuOld->HasAccels() || menu->HasAccels() )
1307 {
1308 // need to rebuild accell table
1309 RebuildAccelTable();
1310 }
1311 #endif // wxUSE_ACCEL
1312
1313 if (IsAttached())
1314 Refresh();
1315 }
1316
1317 return menuOld;
1318 }
1319
1320 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
1321 {
1322 // Find out which MSW item before which we'll be inserting before
1323 // wxMenuBarBase::Insert is called and GetMenu(pos) is the new menu.
1324 // If IsAttached() is false this won't be used anyway
1325 bool isAttached =
1326 #if defined(WINCE_WITHOUT_COMMANDBAR)
1327 IsAttached();
1328 #else
1329 (GetHmenu() != 0);
1330 #endif
1331
1332 int mswpos = (!isAttached || (pos == m_menus.GetCount()))
1333 ? -1 // append the menu
1334 : MSWPositionForWxMenu(GetMenu(pos),pos);
1335
1336 if ( !wxMenuBarBase::Insert(pos, menu, title) )
1337 return false;
1338
1339 menu->wxMenuBase::SetTitle(title);
1340
1341 if ( isAttached )
1342 {
1343 #if defined(WINCE_WITHOUT_COMMANDBAR)
1344 if (!GetToolBar())
1345 return false;
1346 TBBUTTON tbButton;
1347 memset(&tbButton, 0, sizeof(TBBUTTON));
1348 tbButton.iBitmap = I_IMAGENONE;
1349 tbButton.fsState = TBSTATE_ENABLED;
1350 tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
1351
1352 HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
1353 tbButton.dwData = (DWORD)hPopupMenu;
1354 wxString label = wxStripMenuCodes(title);
1355 tbButton.iString = (int) label.wx_str();
1356
1357 tbButton.idCommand = NewControlId();
1358 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
1359 {
1360 wxLogLastError(wxT("TB_INSERTBUTTON"));
1361 return false;
1362 }
1363 wxUnusedVar(mswpos);
1364 #else
1365 if ( !::InsertMenu(GetHmenu(), mswpos,
1366 MF_BYPOSITION | MF_POPUP | MF_STRING,
1367 (UINT_PTR)GetHmenuOf(menu), title.wx_str()) )
1368 {
1369 wxLogLastError(wxT("InsertMenu"));
1370 }
1371 #endif
1372 #if wxUSE_ACCEL
1373 if ( menu->HasAccels() )
1374 {
1375 // need to rebuild accell table
1376 RebuildAccelTable();
1377 }
1378 #endif // wxUSE_ACCEL
1379
1380 if (IsAttached())
1381 Refresh();
1382 }
1383
1384 return true;
1385 }
1386
1387 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
1388 {
1389 WXHMENU submenu = menu ? menu->GetHMenu() : 0;
1390 wxCHECK_MSG( submenu, false, wxT("can't append invalid menu to menubar") );
1391
1392 if ( !wxMenuBarBase::Append(menu, title) )
1393 return false;
1394
1395 menu->wxMenuBase::SetTitle(title);
1396
1397 #if defined(WINCE_WITHOUT_COMMANDBAR)
1398 if (IsAttached())
1399 #else
1400 if (GetHmenu())
1401 #endif
1402 {
1403 #if defined(WINCE_WITHOUT_COMMANDBAR)
1404 if (!GetToolBar())
1405 return false;
1406 TBBUTTON tbButton;
1407 memset(&tbButton, 0, sizeof(TBBUTTON));
1408 tbButton.iBitmap = I_IMAGENONE;
1409 tbButton.fsState = TBSTATE_ENABLED;
1410 tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
1411
1412 size_t pos = GetMenuCount();
1413 HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
1414 tbButton.dwData = (DWORD)hPopupMenu;
1415 wxString label = wxStripMenuCodes(title);
1416 tbButton.iString = (int) label.wx_str();
1417
1418 tbButton.idCommand = NewControlId();
1419 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
1420 {
1421 wxLogLastError(wxT("TB_INSERTBUTTON"));
1422 return false;
1423 }
1424 #else
1425 if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING,
1426 (UINT_PTR)submenu, title.wx_str()) )
1427 {
1428 wxLogLastError(wxT("AppendMenu"));
1429 }
1430 #endif
1431
1432 #if wxUSE_ACCEL
1433 if ( menu->HasAccels() )
1434 {
1435 // need to rebuild accelerator table
1436 RebuildAccelTable();
1437 }
1438 #endif // wxUSE_ACCEL
1439
1440 if (IsAttached())
1441 Refresh();
1442 }
1443
1444 return true;
1445 }
1446
1447 wxMenu *wxMenuBar::Remove(size_t pos)
1448 {
1449 wxMenu *menu = wxMenuBarBase::Remove(pos);
1450 if ( !menu )
1451 return NULL;
1452
1453 #if defined(WINCE_WITHOUT_COMMANDBAR)
1454 if (IsAttached())
1455 #else
1456 if (GetHmenu())
1457 #endif
1458 {
1459 #if defined(WINCE_WITHOUT_COMMANDBAR)
1460 if (GetToolBar())
1461 {
1462 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_DELETEBUTTON, (UINT) pos, (LPARAM) 0))
1463 {
1464 wxLogLastError(wxT("TB_DELETEBUTTON"));
1465 }
1466 }
1467 #else
1468 if ( !::RemoveMenu(GetHmenu(), (UINT)MSWPositionForWxMenu(menu,pos), MF_BYPOSITION) )
1469 {
1470 wxLogLastError(wxT("RemoveMenu"));
1471 }
1472 #endif
1473
1474 #if wxUSE_ACCEL
1475 if ( menu->HasAccels() )
1476 {
1477 // need to rebuild accell table
1478 RebuildAccelTable();
1479 }
1480 #endif // wxUSE_ACCEL
1481
1482 if (IsAttached())
1483 Refresh();
1484 }
1485
1486 return menu;
1487 }
1488
1489 #if wxUSE_ACCEL
1490
1491 void wxMenuBar::RebuildAccelTable()
1492 {
1493 // merge the accelerators of all menus into one accel table
1494 size_t nAccelCount = 0;
1495 size_t i, count = GetMenuCount();
1496 wxMenuList::iterator it;
1497 for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
1498 {
1499 nAccelCount += (*it)->GetAccelCount();
1500 }
1501
1502 if ( nAccelCount )
1503 {
1504 wxAcceleratorEntry *accelEntries = new wxAcceleratorEntry[nAccelCount];
1505
1506 nAccelCount = 0;
1507 for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
1508 {
1509 nAccelCount += (*it)->CopyAccels(&accelEntries[nAccelCount]);
1510 }
1511
1512 SetAcceleratorTable(wxAcceleratorTable(nAccelCount, accelEntries));
1513
1514 delete [] accelEntries;
1515 }
1516 }
1517
1518 #endif // wxUSE_ACCEL
1519
1520 void wxMenuBar::Attach(wxFrame *frame)
1521 {
1522 wxMenuBarBase::Attach(frame);
1523
1524 #if defined(WINCE_WITH_COMMANDBAR)
1525 if (!m_hMenu)
1526 this->Create();
1527 if (!m_commandBar)
1528 m_commandBar = (WXHWND) CommandBar_Create(wxGetInstance(), (HWND) frame->GetHWND(), NewControlId());
1529 if (m_commandBar)
1530 {
1531 if (m_hMenu)
1532 {
1533 if (!CommandBar_InsertMenubarEx((HWND) m_commandBar, NULL, (LPTSTR) m_hMenu, 0))
1534 {
1535 wxLogLastError(wxT("CommandBar_InsertMenubarEx"));
1536 }
1537 }
1538 }
1539 #endif
1540
1541 #if wxUSE_ACCEL
1542 RebuildAccelTable();
1543 #endif // wxUSE_ACCEL
1544 }
1545
1546 #if defined(WINCE_WITH_COMMANDBAR)
1547 bool wxMenuBar::AddAdornments(long style)
1548 {
1549 if (m_adornmentsAdded || !m_commandBar)
1550 return false;
1551
1552 if (style & wxCLOSE_BOX)
1553 {
1554 if (!CommandBar_AddAdornments((HWND) m_commandBar, 0, 0))
1555 {
1556 wxLogLastError(wxT("CommandBar_AddAdornments"));
1557 }
1558 else
1559 {
1560 return true;
1561 }
1562 }
1563 return false;
1564 }
1565 #endif
1566
1567 void wxMenuBar::Detach()
1568 {
1569 wxMenuBarBase::Detach();
1570 }
1571
1572 // get the menu with given handle (recursively)
1573 wxMenu* wxMenuBar::MSWGetMenu(WXHMENU hMenu)
1574 {
1575 wxCHECK_MSG( GetHMenu() != hMenu, NULL,
1576 wxT("wxMenuBar::MSWGetMenu(): menu handle is wxMenuBar, not wxMenu") );
1577
1578 // query all menus
1579 for ( size_t n = 0 ; n < GetMenuCount(); ++n )
1580 {
1581 wxMenu* menu = GetMenu(n)->MSWGetMenu(hMenu);
1582 if ( menu )
1583 return menu;
1584 }
1585
1586 // unknown hMenu
1587 return NULL;
1588 }
1589
1590 #endif // wxUSE_MENUS