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uninitialized variable warning fixed (modified patch 1434065)
[wxWidgets.git] / src / mac / carbon / menuitem.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: menuitem.cpp
3 // Purpose: wxMenuItem implementation
4 // Author: Stefan Csomor
5 // Modified by:
6 // Created: 1998-01-01
7 // RCS-ID: $Id$
8 // Copyright: (c) Stefan Csomor
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #include "wx/wxprec.h"
13
14 #include "wx/app.h"
15 #include "wx/menu.h"
16 #include "wx/menuitem.h"
17
18 #include "wx/mac/uma.h"
19
20 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
21
22
23 wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
24 int id,
25 const wxString& text,
26 const wxString& strHelp,
27 wxItemKind kind,
28 wxMenu *pSubMenu)
29 :wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu)
30 {
31 wxASSERT_MSG( id != 0 || pSubMenu != NULL , wxT("A MenuItem ID of Zero does not work under Mac") ) ;
32
33 // In other languages there is no difference in naming the Exit/Quit menu item between MacOS and Windows guidelines
34 // therefore these item must not be translated
35 if ( wxStripMenuCodes(m_text).Upper() == wxT("EXIT") )
36 m_text = wxT("Quit\tCtrl+Q") ;
37
38 m_radioGroup.start = -1;
39 m_isRadioGroupStart = false;
40 }
41
42 wxMenuItem::~wxMenuItem()
43 {
44 }
45
46 // change item state
47 // -----------------
48
49 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
50 {
51 m_bitmap = bitmap;
52 UpdateItemBitmap();
53 }
54
55 void wxMenuItem::UpdateItemBitmap()
56 {
57 if ( !m_parentMenu )
58 return ;
59
60 MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
61 MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
62 if ( mhandle == NULL || index == 0)
63 return ;
64
65 if ( m_bitmap.Ok() )
66 {
67 #if wxUSE_BMPBUTTON
68 ControlButtonContentInfo info ;
69 wxMacCreateBitmapButton( &info , m_bitmap ) ;
70 if ( info.contentType != kControlNoContent )
71 {
72 if ( info.contentType == kControlContentIconRef )
73 SetMenuItemIconHandle( mhandle , index ,
74 kMenuIconRefType , (Handle) info.u.iconRef ) ;
75 }
76 wxMacReleaseBitmapButton( &info ) ;
77 #endif
78 }
79 }
80
81 void wxMenuItem::UpdateItemStatus()
82 {
83 if ( !m_parentMenu )
84 return ;
85
86 if ( IsSeparator() )
87 return ;
88
89 #if TARGET_CARBON
90 if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macPreferencesMenuItemId)
91 {
92 if ( !IsEnabled() )
93 DisableMenuCommand( NULL , kHICommandPreferences ) ;
94 else
95 EnableMenuCommand( NULL , kHICommandPreferences ) ;
96 }
97
98 if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macExitMenuItemId)
99 {
100 if ( !IsEnabled() )
101 DisableMenuCommand( NULL , kHICommandQuit ) ;
102 else
103 EnableMenuCommand( NULL , kHICommandQuit ) ;
104 }
105 #endif
106
107 {
108 MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
109 MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
110 if ( mhandle == NULL || index == 0)
111 return ;
112
113 UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
114 if ( IsCheckable() && IsChecked() )
115 ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
116 else
117 ::SetItemMark( mhandle , index , 0 ) ; // no mark
118
119 UMASetMenuItemText( mhandle , index , wxStripMenuCodes(m_text) , wxFont::GetDefaultEncoding() ) ;
120 wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
121 UMASetMenuItemShortcut( mhandle , index , entry ) ;
122 delete entry ;
123 }
124 }
125
126 void wxMenuItem::UpdateItemText()
127 {
128 if ( !m_parentMenu )
129 return ;
130
131 MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
132 MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
133 if (mhandle == NULL || index == 0)
134 return ;
135
136 UMASetMenuItemText( mhandle , index , wxStripMenuCodes(m_text) , wxFont::GetDefaultEncoding() ) ;
137 wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
138 UMASetMenuItemShortcut( mhandle , index , entry ) ;
139 delete entry ;
140 }
141
142 void wxMenuItem::Enable(bool bDoEnable)
143 {
144 if (( m_isEnabled != bDoEnable
145 #if TARGET_CARBON
146 // avoid changing menuitem state when menu is disabled
147 // eg. BeginAppModalStateForWindow() will disable menus and ignore this change
148 // which in turn causes m_isEnabled to become out of sync with real menuitem state
149 && !(m_parentMenu && !IsMenuItemEnabled(MAC_WXHMENU(m_parentMenu->GetHMenu()), 0)) )
150 // always update builtin menuitems
151 || ( GetId() == wxApp::s_macPreferencesMenuItemId
152 || GetId() == wxApp::s_macExitMenuItemId
153 || GetId() == wxApp::s_macAboutMenuItemId
154 #endif
155 ))
156 {
157 wxMenuItemBase::Enable( bDoEnable ) ;
158 UpdateItemStatus() ;
159 }
160 }
161
162 void wxMenuItem::UncheckRadio()
163 {
164 if ( m_isChecked )
165 {
166 wxMenuItemBase::Check( false ) ;
167 UpdateItemStatus() ;
168 }
169 }
170
171 void wxMenuItem::Check(bool bDoCheck)
172 {
173 wxCHECK_RET( IsCheckable() && !IsSeparator(), wxT("only checkable items may be checked") );
174
175 if ( m_isChecked != bDoCheck )
176 {
177 if ( GetKind() == wxITEM_RADIO )
178 {
179 if ( bDoCheck )
180 {
181 wxMenuItemBase::Check( bDoCheck ) ;
182 UpdateItemStatus() ;
183
184 // get the index of this item in the menu
185 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
186 int pos = items.IndexOf(this);
187 wxCHECK_RET( pos != wxNOT_FOUND,
188 _T("menuitem not found in the menu items list?") );
189
190 // get the radio group range
191 int start, end;
192
193 if ( m_isRadioGroupStart )
194 {
195 // we already have all information we need
196 start = pos;
197 end = m_radioGroup.end;
198 }
199 else // next radio group item
200 {
201 // get the radio group end from the start item
202 start = m_radioGroup.start;
203 end = items.Item(start)->GetData()->m_radioGroup.end;
204 }
205
206 // also uncheck all the other items in this radio group
207 wxMenuItemList::compatibility_iterator node = items.Item(start);
208 for ( int n = start; n <= end && node; n++ )
209 {
210 if ( n != pos )
211 ((wxMenuItem*)node->GetData())->UncheckRadio();
212
213 node = node->GetNext();
214 }
215 }
216 }
217 else
218 {
219 wxMenuItemBase::Check( bDoCheck ) ;
220 UpdateItemStatus() ;
221 }
222 }
223 }
224
225 void wxMenuItem::SetText(const wxString& text)
226 {
227 // don't do anything if label didn't change
228 if ( m_text == text )
229 return;
230
231 wxMenuItemBase::SetText(text);
232
233 UpdateItemText() ;
234 }
235
236 // radio group stuff
237 // -----------------
238
239 void wxMenuItem::SetAsRadioGroupStart()
240 {
241 m_isRadioGroupStart = true;
242 }
243
244 void wxMenuItem::SetRadioGroupStart(int start)
245 {
246 wxASSERT_MSG( !m_isRadioGroupStart,
247 wxT("should only be called for the next radio items") );
248
249 m_radioGroup.start = start;
250 }
251
252 void wxMenuItem::SetRadioGroupEnd(int end)
253 {
254 wxASSERT_MSG( m_isRadioGroupStart,
255 wxT("should only be called for the first radio item") );
256
257 m_radioGroup.end = end;
258 }
259
260 // ----------------------------------------------------------------------------
261 // wxMenuItemBase
262 // ----------------------------------------------------------------------------
263
264 /* static */
265 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
266 {
267 return wxStripMenuCodes(text);
268 }
269
270 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
271 int id,
272 const wxString& name,
273 const wxString& help,
274 wxItemKind kind,
275 wxMenu *subMenu)
276 {
277 return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
278 }