]> git.saurik.com Git - wxWidgets.git/blob - src/msw/menu.cpp
Added some documentation :)
[wxWidgets.git] / src / msw / menu.cpp
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
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ===========================================================================
13 // declarations
14 // ===========================================================================
15
16 // ---------------------------------------------------------------------------
17 // headers
18 // ---------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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 #ifdef __WXWINCE__
48 #include <windows.h>
49 #include <windowsx.h>
50 #include <tchar.h>
51 #include <ole2.h>
52 #include <shellapi.h>
53 #include <commctrl.h>
54 #include <aygshell.h>
55
56 #ifndef TBSTYLE_NO_DROPDOWN_ARROW
57 #define TBSTYLE_NO_DROPDOWN_ARROW 0x0080
58 #endif
59
60 #endif
61
62 // other standard headers
63 #include <string.h>
64
65 // ----------------------------------------------------------------------------
66 // global variables
67 // ----------------------------------------------------------------------------
68
69 extern wxMenu *wxCurrentPopupMenu;
70
71 // ----------------------------------------------------------------------------
72 // constants
73 // ----------------------------------------------------------------------------
74
75 // the (popup) menu title has this special id
76 static const int idMenuTitle = -2;
77
78 // ----------------------------------------------------------------------------
79 // private functions
80 // ----------------------------------------------------------------------------
81
82 // make the given menu item default
83 static void SetDefaultMenuItem(HMENU hmenu, UINT id)
84 {
85 #ifndef __WXWINCE__
86 MENUITEMINFO mii;
87 wxZeroMemory(mii);
88 mii.cbSize = sizeof(MENUITEMINFO);
89 mii.fMask = MIIM_STATE;
90 mii.fState = MFS_DEFAULT;
91
92 if ( !::SetMenuItemInfo(hmenu, id, FALSE, &mii) )
93 {
94 wxLogLastError(wxT("SetMenuItemInfo"));
95 }
96 #endif
97 }
98
99 #ifdef __WXWINCE__
100 UINT GetMenuState(HMENU hMenu, UINT id, UINT flags)
101 {
102 MENUITEMINFO info;
103 wxZeroMemory(info);
104 info.cbSize = sizeof(info);
105 info.fMask = MIIM_STATE;
106 if ( !GetMenuItemInfo(hMenu, id, flags & MF_BYCOMMAND ? FALSE : TRUE, & info) )
107 wxLogLastError(wxT("GetMenuItemInfo"));
108 return info.fState;
109 }
110 #endif
111
112 // ============================================================================
113 // implementation
114 // ============================================================================
115
116 #include <wx/listimpl.cpp>
117
118 WX_DEFINE_LIST( wxMenuInfoList ) ;
119
120 #if wxUSE_EXTENDED_RTTI
121
122 WX_DEFINE_FLAGS( wxMenuStyle )
123
124 wxBEGIN_FLAGS( wxMenuStyle )
125 wxFLAGS_MEMBER(wxMENU_TEAROFF)
126 wxEND_FLAGS( wxMenuStyle )
127
128 IMPLEMENT_DYNAMIC_CLASS_XTI(wxMenu, wxEvtHandler,"wx/menu.h")
129
130 wxCOLLECTION_TYPE_INFO( wxMenuItem * , wxMenuItemList ) ;
131
132 template<> void wxCollectionToVariantArray( wxMenuItemList const &theList, wxxVariantArray &value)
133 {
134 wxListCollectionToVariantArray<wxMenuItemList::compatibility_iterator>( theList , value ) ;
135 }
136
137 wxBEGIN_PROPERTIES_TABLE(wxMenu)
138 wxEVENT_PROPERTY( Select , wxEVT_COMMAND_MENU_SELECTED , wxCommandEvent)
139 wxPROPERTY( Title, wxString , SetTitle, GetTitle, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
140 wxREADONLY_PROPERTY_FLAGS( MenuStyle , wxMenuStyle , long , GetStyle , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
141 wxPROPERTY_COLLECTION( MenuItems , wxMenuItemList , wxMenuItem* , Append , GetMenuItems , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
142 wxEND_PROPERTIES_TABLE()
143
144 wxBEGIN_HANDLERS_TABLE(wxMenu)
145 wxEND_HANDLERS_TABLE()
146
147 wxDIRECT_CONSTRUCTOR_2( wxMenu , wxString , Title , long , MenuStyle )
148
149 WX_DEFINE_FLAGS( wxMenuBarStyle )
150
151 wxBEGIN_FLAGS( wxMenuBarStyle )
152 wxFLAGS_MEMBER(wxMB_DOCKABLE)
153 wxEND_FLAGS( wxMenuBarStyle )
154
155 // the negative id would lead the window (its superclass !) to vetoe streaming out otherwise
156 bool wxMenuBarStreamingCallback( const wxObject *WXUNUSED(object), wxWriter * , wxPersister * , wxxVariantArray & )
157 {
158 return true ;
159 }
160
161 IMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK(wxMenuBar, wxWindow ,"wx/menu.h",wxMenuBarStreamingCallback)
162
163 IMPLEMENT_DYNAMIC_CLASS_XTI(wxMenuInfo, wxObject , "wx/menu.h" )
164
165 wxBEGIN_PROPERTIES_TABLE(wxMenuInfo)
166 wxREADONLY_PROPERTY( Menu , wxMenu* , GetMenu , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
167 wxREADONLY_PROPERTY( Title , wxString , GetTitle , wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
168 wxEND_PROPERTIES_TABLE()
169
170 wxBEGIN_HANDLERS_TABLE(wxMenuInfo)
171 wxEND_HANDLERS_TABLE()
172
173 wxCONSTRUCTOR_2( wxMenuInfo , wxMenu* , Menu , wxString , Title )
174
175 wxCOLLECTION_TYPE_INFO( wxMenuInfo * , wxMenuInfoList ) ;
176
177 template<> void wxCollectionToVariantArray( wxMenuInfoList const &theList, wxxVariantArray &value)
178 {
179 wxListCollectionToVariantArray<wxMenuInfoList::compatibility_iterator>( theList , value ) ;
180 }
181
182 wxBEGIN_PROPERTIES_TABLE(wxMenuBar)
183 wxPROPERTY_COLLECTION( MenuInfos , wxMenuInfoList , wxMenuInfo* , Append , GetMenuInfos , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
184 wxEND_PROPERTIES_TABLE()
185
186 wxBEGIN_HANDLERS_TABLE(wxMenuBar)
187 wxEND_HANDLERS_TABLE()
188
189 wxCONSTRUCTOR_DUMMY( wxMenuBar )
190
191 #else
192 IMPLEMENT_DYNAMIC_CLASS(wxMenu, wxEvtHandler)
193 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar, wxWindow)
194 IMPLEMENT_DYNAMIC_CLASS(wxMenuInfo, wxObject)
195 #endif
196
197 const wxMenuInfoList& wxMenuBar::GetMenuInfos() const
198 {
199 wxMenuInfoList* list = const_cast< wxMenuInfoList* >( &m_menuInfos ) ;
200 WX_CLEAR_LIST( wxMenuInfoList , *list ) ;
201 for( size_t i = 0 ; i < GetMenuCount() ; ++i )
202 {
203 wxMenuInfo* info = new wxMenuInfo() ;
204 info->Create( const_cast<wxMenuBar*>(this)->GetMenu(i) , GetLabelTop(i) ) ;
205 list->Append( info ) ;
206 }
207 return m_menuInfos ;
208 }
209
210 // ---------------------------------------------------------------------------
211 // wxMenu construction, adding and removing menu items
212 // ---------------------------------------------------------------------------
213
214 // Construct a menu with optional title (then use append)
215 void wxMenu::Init()
216 {
217 m_doBreak = FALSE;
218 m_startRadioGroup = -1;
219
220 // create the menu
221 m_hMenu = (WXHMENU)CreatePopupMenu();
222 if ( !m_hMenu )
223 {
224 wxLogLastError(wxT("CreatePopupMenu"));
225 }
226
227 // if we have a title, insert it in the beginning of the menu
228 if ( !!m_title )
229 {
230 Append(idMenuTitle, m_title);
231 AppendSeparator();
232 }
233 }
234
235 // The wxWindow destructor will take care of deleting the submenus.
236 wxMenu::~wxMenu()
237 {
238 // we should free Windows resources only if Windows doesn't do it for us
239 // which happens if we're attached to a menubar or a submenu of another
240 // menu
241 if ( !IsAttached() && !GetParent() )
242 {
243 if ( !::DestroyMenu(GetHmenu()) )
244 {
245 wxLogLastError(wxT("DestroyMenu"));
246 }
247 }
248
249 #if wxUSE_ACCEL
250 // delete accels
251 WX_CLEAR_ARRAY(m_accels);
252 #endif // wxUSE_ACCEL
253 }
254
255 void wxMenu::Break()
256 {
257 // this will take effect during the next call to Append()
258 m_doBreak = TRUE;
259 }
260
261 void wxMenu::Attach(wxMenuBarBase *menubar)
262 {
263 wxMenuBase::Attach(menubar);
264
265 EndRadioGroup();
266 }
267
268 #if wxUSE_ACCEL
269
270 int wxMenu::FindAccel(int id) const
271 {
272 size_t n, count = m_accels.GetCount();
273 for ( n = 0; n < count; n++ )
274 {
275 if ( m_accels[n]->m_command == id )
276 return n;
277 }
278
279 return wxNOT_FOUND;
280 }
281
282 void wxMenu::UpdateAccel(wxMenuItem *item)
283 {
284 if ( item->IsSubMenu() )
285 {
286 wxMenu *submenu = item->GetSubMenu();
287 wxMenuItemList::compatibility_iterator node = submenu->GetMenuItems().GetFirst();
288 while ( node )
289 {
290 UpdateAccel(node->GetData());
291
292 node = node->GetNext();
293 }
294 }
295 else if ( !item->IsSeparator() )
296 {
297 // find the (new) accel for this item
298 wxAcceleratorEntry *accel = wxGetAccelFromString(item->GetText());
299 if ( accel )
300 accel->m_command = item->GetId();
301
302 // find the old one
303 int n = FindAccel(item->GetId());
304 if ( n == wxNOT_FOUND )
305 {
306 // no old, add new if any
307 if ( accel )
308 m_accels.Add(accel);
309 else
310 return; // skipping RebuildAccelTable() below
311 }
312 else
313 {
314 // replace old with new or just remove the old one if no new
315 delete m_accels[n];
316 if ( accel )
317 m_accels[n] = accel;
318 else
319 m_accels.RemoveAt(n);
320 }
321
322 if ( IsAttached() )
323 {
324 m_menuBar->RebuildAccelTable();
325 }
326 }
327 //else: it is a separator, they can't have accels, nothing to do
328 }
329
330 #endif // wxUSE_ACCEL
331
332 // append a new item or submenu to the menu
333 bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
334 {
335 #if wxUSE_ACCEL
336 UpdateAccel(pItem);
337 #endif // wxUSE_ACCEL
338
339 UINT flags = 0;
340
341 // if "Break" has just been called, insert a menu break before this item
342 // (and don't forget to reset the flag)
343 if ( m_doBreak ) {
344 flags |= MF_MENUBREAK;
345 m_doBreak = FALSE;
346 }
347
348 if ( pItem->IsSeparator() ) {
349 flags |= MF_SEPARATOR;
350 }
351
352 // id is the numeric id for normal menu items and HMENU for submenus as
353 // required by ::AppendMenu() API
354 UINT id;
355 wxMenu *submenu = pItem->GetSubMenu();
356 if ( submenu != NULL ) {
357 wxASSERT_MSG( submenu->GetHMenu(), wxT("invalid submenu") );
358
359 submenu->SetParent(this);
360
361 id = (UINT)submenu->GetHMenu();
362
363 flags |= MF_POPUP;
364 }
365 else {
366 id = pItem->GetId();
367 }
368
369 #ifdef __WXWINCE__
370 wxString strippedString;
371 #endif
372
373 LPCTSTR pData;
374
375 #if wxUSE_OWNER_DRAWN
376 if ( pItem->IsOwnerDrawn() ) { // want to get {Measure|Draw}Item messages?
377 // item draws itself, pass pointer to it in data parameter
378 flags |= MF_OWNERDRAW;
379 pData = (LPCTSTR)pItem;
380 }
381 else
382 #endif
383 {
384 // menu is just a normal string (passed in data parameter)
385 flags |= MF_STRING;
386
387 #ifdef __WXWINCE__
388 strippedString = wxStripMenuCodes(pItem->GetText());
389 pData = (wxChar*)strippedString.c_str();
390 #else
391 pData = (wxChar*)pItem->GetText().c_str();
392 #endif
393 }
394
395 BOOL ok;
396 if ( pos == (size_t)-1 )
397 {
398 ok = ::AppendMenu(GetHmenu(), flags, id, pData);
399 }
400 else
401 {
402 ok = ::InsertMenu(GetHmenu(), pos, flags | MF_BYPOSITION, id, pData);
403 }
404
405 if ( !ok )
406 {
407 wxLogLastError(wxT("Insert or AppendMenu"));
408
409 return FALSE;
410 }
411
412 // if we just appended the title, highlight it
413 #ifdef __WIN32__
414 if ( (int)id == idMenuTitle )
415 {
416 // visually select the menu title
417 SetDefaultMenuItem(GetHmenu(), id);
418 }
419 #endif // __WIN32__
420
421 // if we're already attached to the menubar, we must update it
422 if ( IsAttached() && m_menuBar->IsAttached() )
423 {
424 m_menuBar->Refresh();
425 }
426
427 return TRUE;
428 }
429
430 void wxMenu::EndRadioGroup()
431 {
432 // we're not inside a radio group any longer
433 m_startRadioGroup = -1;
434 }
435
436 bool wxMenu::DoAppend(wxMenuItem *item)
437 {
438 wxCHECK_MSG( item, FALSE, _T("NULL item in wxMenu::DoAppend") );
439
440 bool check = FALSE;
441
442 if ( item->GetKind() == wxITEM_RADIO )
443 {
444 int count = GetMenuItemCount();
445
446 if ( m_startRadioGroup == -1 )
447 {
448 // start a new radio group
449 m_startRadioGroup = count;
450
451 // for now it has just one element
452 item->SetAsRadioGroupStart();
453 item->SetRadioGroupEnd(m_startRadioGroup);
454
455 // ensure that we have a checked item in the radio group
456 check = TRUE;
457 }
458 else // extend the current radio group
459 {
460 // we need to update its end item
461 item->SetRadioGroupStart(m_startRadioGroup);
462 wxMenuItemList::compatibility_iterator node = GetMenuItems().Item(m_startRadioGroup);
463
464 if ( node )
465 {
466 node->GetData()->SetRadioGroupEnd(count);
467 }
468 else
469 {
470 wxFAIL_MSG( _T("where is the radio group start item?") );
471 }
472 }
473 }
474 else // not a radio item
475 {
476 EndRadioGroup();
477 }
478
479 if ( !wxMenuBase::DoAppend(item) || !DoInsertOrAppend(item) )
480 {
481 return FALSE;
482 }
483
484 if ( check )
485 {
486 // check the item initially
487 item->Check(TRUE);
488 }
489
490 return TRUE;
491 }
492
493 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
494 {
495 return wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos);
496 }
497
498 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
499 {
500 // we need to find the items position in the child list
501 size_t pos;
502 wxMenuItemList::compatibility_iterator node = GetMenuItems().GetFirst();
503 for ( pos = 0; node; pos++ )
504 {
505 if ( node->GetData() == item )
506 break;
507
508 node = node->GetNext();
509 }
510
511 // DoRemove() (unlike Remove) can only be called for existing item!
512 wxCHECK_MSG( node, NULL, wxT("bug in wxMenu::Remove logic") );
513
514 #if wxUSE_ACCEL
515 // remove the corresponding accel from the accel table
516 int n = FindAccel(item->GetId());
517 if ( n != wxNOT_FOUND )
518 {
519 delete m_accels[n];
520
521 m_accels.RemoveAt(n);
522 }
523 //else: this item doesn't have an accel, nothing to do
524 #endif // wxUSE_ACCEL
525
526 // remove the item from the menu
527 if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
528 {
529 wxLogLastError(wxT("RemoveMenu"));
530 }
531
532 if ( IsAttached() && m_menuBar->IsAttached() )
533 {
534 // otherwise, the chane won't be visible
535 m_menuBar->Refresh();
536 }
537
538 // and from internal data structures
539 return wxMenuBase::DoRemove(item);
540 }
541
542 // ---------------------------------------------------------------------------
543 // accelerator helpers
544 // ---------------------------------------------------------------------------
545
546 #if wxUSE_ACCEL
547
548 // create the wxAcceleratorEntries for our accels and put them into provided
549 // array - return the number of accels we have
550 size_t wxMenu::CopyAccels(wxAcceleratorEntry *accels) const
551 {
552 size_t count = GetAccelCount();
553 for ( size_t n = 0; n < count; n++ )
554 {
555 *accels++ = *m_accels[n];
556 }
557
558 return count;
559 }
560
561 #endif // wxUSE_ACCEL
562
563 // ---------------------------------------------------------------------------
564 // set wxMenu title
565 // ---------------------------------------------------------------------------
566
567 void wxMenu::SetTitle(const wxString& label)
568 {
569 bool hasNoTitle = m_title.IsEmpty();
570 m_title = label;
571
572 HMENU hMenu = GetHmenu();
573
574 if ( hasNoTitle )
575 {
576 if ( !label.IsEmpty() )
577 {
578 if ( !::InsertMenu(hMenu, 0u, MF_BYPOSITION | MF_STRING,
579 (unsigned)idMenuTitle, m_title) ||
580 !::InsertMenu(hMenu, 1u, MF_BYPOSITION, (unsigned)-1, NULL) )
581 {
582 wxLogLastError(wxT("InsertMenu"));
583 }
584 }
585 }
586 else
587 {
588 if ( label.IsEmpty() )
589 {
590 // remove the title and the separator after it
591 if ( !RemoveMenu(hMenu, 0, MF_BYPOSITION) ||
592 !RemoveMenu(hMenu, 0, MF_BYPOSITION) )
593 {
594 wxLogLastError(wxT("RemoveMenu"));
595 }
596 }
597 else
598 {
599 // modify the title
600 #ifdef __WXWINCE__
601 MENUITEMINFO info;
602 wxZeroMemory(info);
603 info.cbSize = sizeof(info);
604 info.fMask = MIIM_TYPE;
605 info.fType = MFT_STRING;
606 info.cch = m_title.Length();
607 info.dwTypeData = (LPTSTR) m_title.c_str();
608 if ( !SetMenuItemInfo(hMenu, 0, TRUE, & info) )
609 {
610 wxLogLastError(wxT("SetMenuItemInfo"));
611 }
612 #else
613 if ( !ModifyMenu(hMenu, 0u,
614 MF_BYPOSITION | MF_STRING,
615 (unsigned)idMenuTitle, m_title) )
616 {
617 wxLogLastError(wxT("ModifyMenu"));
618 }
619 #endif
620 }
621 }
622
623 #ifdef __WIN32__
624 // put the title string in bold face
625 if ( !m_title.IsEmpty() )
626 {
627 SetDefaultMenuItem(GetHmenu(), (UINT)idMenuTitle);
628 }
629 #endif // Win32
630 }
631
632 // ---------------------------------------------------------------------------
633 // event processing
634 // ---------------------------------------------------------------------------
635
636 bool wxMenu::MSWCommand(WXUINT WXUNUSED(param), WXWORD id)
637 {
638 // ignore commands from the menu title
639
640 // NB: VC++ generates wrong assembler for `if ( id != idMenuTitle )'!!
641 if ( id != (WXWORD)idMenuTitle )
642 {
643 // VZ: previosuly, the command int was set to id too which was quite
644 // useless anyhow (as it could be retrieved using GetId()) and
645 // uncompatible with wxGTK, so now we use the command int instead
646 // to pass the checked status
647 UINT menuState = ::GetMenuState(GetHmenu(), id, MF_BYCOMMAND) ;
648 SendEvent(id, menuState & MF_CHECKED);
649 }
650
651 return TRUE;
652 }
653
654 // ---------------------------------------------------------------------------
655 // other
656 // ---------------------------------------------------------------------------
657
658 wxWindow *wxMenu::GetWindow() const
659 {
660 if ( m_invokingWindow != NULL )
661 return m_invokingWindow;
662 else if ( m_menuBar != NULL)
663 return m_menuBar->GetFrame();
664
665 return NULL;
666 }
667
668 // ---------------------------------------------------------------------------
669 // Menu Bar
670 // ---------------------------------------------------------------------------
671
672 void wxMenuBar::Init()
673 {
674 m_eventHandler = this;
675 m_hMenu = 0;
676 #ifdef __WXWINCE__
677 m_toolBar = NULL;
678 #endif
679 }
680
681 wxMenuBar::wxMenuBar()
682 {
683 Init();
684 }
685
686 wxMenuBar::wxMenuBar( long WXUNUSED(style) )
687 {
688 Init();
689 }
690
691 wxMenuBar::wxMenuBar(int count, wxMenu *menus[], const wxString titles[])
692 {
693 Init();
694
695 m_titles.Alloc(count);
696
697 for ( int i = 0; i < count; i++ )
698 {
699 m_menus.Append(menus[i]);
700 m_titles.Add(titles[i]);
701
702 menus[i]->Attach(this);
703 }
704 }
705
706 wxMenuBar::~wxMenuBar()
707 {
708 // In Windows CE, the menubar is always associated
709 // with a toolbar, which destroys the menu implicitly.
710 #ifdef __WXWINCE__
711 if (GetToolBar())
712 GetToolBar()->SetMenuBar(NULL);
713 #else
714 // we should free Windows resources only if Windows doesn't do it for us
715 // which happens if we're attached to a frame
716 if (m_hMenu && !IsAttached())
717 {
718 ::DestroyMenu((HMENU)m_hMenu);
719 m_hMenu = (WXHMENU)NULL;
720 }
721 #endif
722 }
723
724 // ---------------------------------------------------------------------------
725 // wxMenuBar helpers
726 // ---------------------------------------------------------------------------
727
728 void wxMenuBar::Refresh()
729 {
730 wxCHECK_RET( IsAttached(), wxT("can't refresh unattached menubar") );
731
732 #ifdef __WXWINCE__
733 if (GetToolBar())
734 {
735 CommandBar_DrawMenuBar((HWND) GetToolBar()->GetHWND(), 0);
736 }
737 #else
738 DrawMenuBar(GetHwndOf(GetFrame()));
739 #endif
740 }
741
742 WXHMENU wxMenuBar::Create()
743 {
744 // Note: this totally doesn't work on Smartphone,
745 // since you have to use resources.
746 // We'll have to find another way to add a menu
747 // by changing/adding menu items to an existing menu.
748 #ifdef __WXWINCE__
749 if ( m_hMenu != 0 )
750 return m_hMenu;
751
752 if (!GetToolBar())
753 return 0;
754
755 HWND hCommandBar = (HWND) GetToolBar()->GetHWND();
756 HMENU hMenu = (HMENU)::SendMessage(hCommandBar, SHCMBM_GETMENU, (WPARAM)0, (LPARAM)0);
757 if (hMenu)
758 {
759 TBBUTTON tbButton;
760 memset(&tbButton, 0, sizeof(TBBUTTON));
761 tbButton.iBitmap = I_IMAGENONE;
762 tbButton.fsState = TBSTATE_ENABLED;
763 tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
764
765 size_t i;
766 for (i = 0; i < GetMenuCount(); i++)
767 {
768 HMENU hPopupMenu = (HMENU) GetMenu(i)->GetHMenu() ;
769 tbButton.dwData = (DWORD)hPopupMenu;
770 wxString label = wxStripMenuCodes(GetLabelTop(i));
771 tbButton.iString = (int) label.c_str();
772
773 int position = i;
774
775 tbButton.idCommand = NewControlId();
776 if (!::SendMessage(hCommandBar, TB_INSERTBUTTON, position, (LPARAM)&tbButton))
777 {
778 wxLogLastError(wxT("TB_INSERTBUTTON"));
779 }
780 }
781 }
782 m_hMenu = (WXHMENU) hMenu;
783 return m_hMenu;
784 #else
785 if ( m_hMenu != 0 )
786 return m_hMenu;
787
788 m_hMenu = (WXHMENU)::CreateMenu();
789
790 if ( !m_hMenu )
791 {
792 wxLogLastError(wxT("CreateMenu"));
793 }
794 else
795 {
796 size_t count = GetMenuCount(), i;
797 wxMenuList::iterator it;
798 for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
799 {
800 if ( !::AppendMenu((HMENU)m_hMenu, MF_POPUP | MF_STRING,
801 (UINT)(*it)->GetHMenu(),
802 m_titles[i]) )
803 {
804 wxLogLastError(wxT("AppendMenu"));
805 }
806 }
807 }
808
809 return m_hMenu;
810 #endif
811 }
812
813 // ---------------------------------------------------------------------------
814 // wxMenuBar functions to work with the top level submenus
815 // ---------------------------------------------------------------------------
816
817 // NB: we don't support owner drawn top level items for now, if we do these
818 // functions would have to be changed to use wxMenuItem as well
819
820 void wxMenuBar::EnableTop(size_t pos, bool enable)
821 {
822 wxCHECK_RET( IsAttached(), wxT("doesn't work with unattached menubars") );
823
824 int flag = enable ? MF_ENABLED : MF_GRAYED;
825
826 EnableMenuItem((HMENU)m_hMenu, pos, MF_BYPOSITION | flag);
827
828 Refresh();
829 }
830
831 void wxMenuBar::SetLabelTop(size_t pos, const wxString& label)
832 {
833 wxCHECK_RET( pos < GetMenuCount(), wxT("invalid menu index") );
834
835 m_titles[pos] = label;
836
837 if ( !IsAttached() )
838 {
839 return;
840 }
841 //else: have to modify the existing menu
842
843 UINT id;
844 UINT flagsOld = ::GetMenuState((HMENU)m_hMenu, pos, MF_BYPOSITION);
845 if ( flagsOld == 0xFFFFFFFF )
846 {
847 wxLogLastError(wxT("GetMenuState"));
848
849 return;
850 }
851
852 if ( flagsOld & MF_POPUP )
853 {
854 // HIBYTE contains the number of items in the submenu in this case
855 flagsOld &= 0xff;
856 id = (UINT)::GetSubMenu((HMENU)m_hMenu, pos);
857 }
858 else
859 {
860 id = pos;
861 }
862
863 #ifdef __WXWINCE__
864 MENUITEMINFO info;
865 wxZeroMemory(info);
866 info.cbSize = sizeof(info);
867 info.fMask = MIIM_TYPE;
868 info.fType = MFT_STRING;
869 info.cch = label.Length();
870 info.dwTypeData = (LPTSTR) label.c_str();
871 if ( !SetMenuItemInfo(GetHmenu(), id, TRUE, & info) )
872 {
873 wxLogLastError(wxT("SetMenuItemInfo"));
874 }
875
876 #else
877 if ( ::ModifyMenu(GetHmenu(), pos, MF_BYPOSITION | MF_STRING | flagsOld,
878 id, label) == (int)0xFFFFFFFF )
879 {
880 wxLogLastError(wxT("ModifyMenu"));
881 }
882 #endif
883
884 Refresh();
885 }
886
887 wxString wxMenuBar::GetLabelTop(size_t pos) const
888 {
889 wxCHECK_MSG( pos < GetMenuCount(), wxEmptyString,
890 wxT("invalid menu index in wxMenuBar::GetLabelTop") );
891
892 return wxMenuItem::GetLabelFromText(m_titles[pos]);
893 }
894
895 // ---------------------------------------------------------------------------
896 // wxMenuBar construction
897 // ---------------------------------------------------------------------------
898
899 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
900 {
901 wxMenu *menuOld = wxMenuBarBase::Replace(pos, menu, title);
902 if ( !menuOld )
903 return NULL;
904
905 m_titles[pos] = title;
906
907 if ( IsAttached() )
908 {
909 // can't use ModifyMenu() because it deletes the submenu it replaces
910 if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
911 {
912 wxLogLastError(wxT("RemoveMenu"));
913 }
914
915 if ( !::InsertMenu(GetHmenu(), (UINT)pos,
916 MF_BYPOSITION | MF_POPUP | MF_STRING,
917 (UINT)GetHmenuOf(menu), title) )
918 {
919 wxLogLastError(wxT("InsertMenu"));
920 }
921
922 #if wxUSE_ACCEL
923 if ( menuOld->HasAccels() || menu->HasAccels() )
924 {
925 // need to rebuild accell table
926 RebuildAccelTable();
927 }
928 #endif // wxUSE_ACCEL
929
930 Refresh();
931 }
932
933 return menuOld;
934 }
935
936 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
937 {
938 if ( !wxMenuBarBase::Insert(pos, menu, title) )
939 return FALSE;
940
941 m_titles.Insert(title, pos);
942
943 if ( IsAttached() )
944 {
945 #ifdef __WXWINCE__
946 if (!GetToolBar())
947 return FALSE;
948 TBBUTTON tbButton;
949 memset(&tbButton, 0, sizeof(TBBUTTON));
950 tbButton.iBitmap = I_IMAGENONE;
951 tbButton.fsState = TBSTATE_ENABLED;
952 tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
953
954 HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
955 tbButton.dwData = (DWORD)hPopupMenu;
956 wxString label = wxStripMenuCodes(title);
957 tbButton.iString = (int) label.c_str();
958
959 tbButton.idCommand = NewControlId();
960 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
961 {
962 wxLogLastError(wxT("TB_INSERTBUTTON"));
963 return FALSE;
964 }
965 #else
966 if ( !::InsertMenu(GetHmenu(), pos,
967 MF_BYPOSITION | MF_POPUP | MF_STRING,
968 (UINT)GetHmenuOf(menu), title) )
969 {
970 wxLogLastError(wxT("InsertMenu"));
971 }
972 #endif
973 #if wxUSE_ACCEL
974 if ( menu->HasAccels() )
975 {
976 // need to rebuild accell table
977 RebuildAccelTable();
978 }
979 #endif // wxUSE_ACCEL
980
981 Refresh();
982 }
983
984 return TRUE;
985 }
986
987 bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
988 {
989 WXHMENU submenu = menu ? menu->GetHMenu() : 0;
990 wxCHECK_MSG( submenu, FALSE, wxT("can't append invalid menu to menubar") );
991
992 if ( !wxMenuBarBase::Append(menu, title) )
993 return FALSE;
994
995 m_titles.Add(title);
996
997 if ( IsAttached() )
998 {
999 #ifdef __WXWINCE__
1000 if (!GetToolBar())
1001 return FALSE;
1002 TBBUTTON tbButton;
1003 memset(&tbButton, 0, sizeof(TBBUTTON));
1004 tbButton.iBitmap = I_IMAGENONE;
1005 tbButton.fsState = TBSTATE_ENABLED;
1006 tbButton.fsStyle = TBSTYLE_DROPDOWN | TBSTYLE_NO_DROPDOWN_ARROW | TBSTYLE_AUTOSIZE;
1007
1008 size_t pos = GetMenuCount();
1009 HMENU hPopupMenu = (HMENU) menu->GetHMenu() ;
1010 tbButton.dwData = (DWORD)hPopupMenu;
1011 wxString label = wxStripMenuCodes(title);
1012 tbButton.iString = (int) label.c_str();
1013
1014 tbButton.idCommand = NewControlId();
1015 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_INSERTBUTTON, pos, (LPARAM)&tbButton))
1016 {
1017 wxLogLastError(wxT("TB_INSERTBUTTON"));
1018 return FALSE;
1019 }
1020 #else
1021 if ( !::AppendMenu(GetHmenu(), MF_POPUP | MF_STRING,
1022 (UINT)submenu, title) )
1023 {
1024 wxLogLastError(wxT("AppendMenu"));
1025 }
1026 #endif
1027
1028 #if wxUSE_ACCEL
1029 if ( menu->HasAccels() )
1030 {
1031 // need to rebuild accelerator table
1032 RebuildAccelTable();
1033 }
1034 #endif // wxUSE_ACCEL
1035
1036 Refresh();
1037 }
1038
1039 return TRUE;
1040 }
1041
1042 wxMenu *wxMenuBar::Remove(size_t pos)
1043 {
1044 wxMenu *menu = wxMenuBarBase::Remove(pos);
1045 if ( !menu )
1046 return NULL;
1047
1048 if ( IsAttached() )
1049 {
1050 #ifdef __WXWINCE__
1051 if (GetToolBar())
1052 {
1053 if (!::SendMessage((HWND) GetToolBar()->GetHWND(), TB_DELETEBUTTON, (UINT) pos, (LPARAM) 0))
1054 {
1055 wxLogLastError(wxT("TB_DELETEBUTTON"));
1056 }
1057 }
1058 #else
1059 if ( !::RemoveMenu(GetHmenu(), (UINT)pos, MF_BYPOSITION) )
1060 {
1061 wxLogLastError(wxT("RemoveMenu"));
1062 }
1063 #endif
1064 #if wxUSE_ACCEL
1065 if ( menu->HasAccels() )
1066 {
1067 // need to rebuild accell table
1068 RebuildAccelTable();
1069 }
1070 #endif // wxUSE_ACCEL
1071
1072 Refresh();
1073 }
1074
1075 m_titles.RemoveAt(pos);
1076
1077 return menu;
1078 }
1079
1080 #if wxUSE_ACCEL
1081
1082 void wxMenuBar::RebuildAccelTable()
1083 {
1084 // merge the accelerators of all menus into one accel table
1085 size_t nAccelCount = 0;
1086 size_t i, count = GetMenuCount();
1087 wxMenuList::iterator it;
1088 for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
1089 {
1090 nAccelCount += (*it)->GetAccelCount();
1091 }
1092
1093 if ( nAccelCount )
1094 {
1095 wxAcceleratorEntry *accelEntries = new wxAcceleratorEntry[nAccelCount];
1096
1097 nAccelCount = 0;
1098 for ( i = 0, it = m_menus.begin(); i < count; i++, it++ )
1099 {
1100 nAccelCount += (*it)->CopyAccels(&accelEntries[nAccelCount]);
1101 }
1102
1103 m_accelTable = wxAcceleratorTable(nAccelCount, accelEntries);
1104
1105 delete [] accelEntries;
1106 }
1107 }
1108
1109 #endif // wxUSE_ACCEL
1110
1111 void wxMenuBar::Attach(wxFrame *frame)
1112 {
1113 wxMenuBarBase::Attach(frame);
1114
1115 #if wxUSE_ACCEL
1116 RebuildAccelTable();
1117 #endif // wxUSE_ACCEL
1118 }
1119
1120 void wxMenuBar::Detach()
1121 {
1122 wxMenuBarBase::Detach();
1123 }
1124
1125 #endif // wxUSE_MENUS