src/mac/classic/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 // ============================================================================
  13 // headers & declarations
  14 // ============================================================================
  15
  16 #include "wx/app.h"
  17 #include "wx/menu.h"
  18 #include "wx/menuitem.h"
  19
  20 #include "wx/mac/uma.h"
  21 // ============================================================================
  22 // implementation
  23 // ============================================================================
  24
  25 // ----------------------------------------------------------------------------
  26 // dynamic classes implementation
  27 // ----------------------------------------------------------------------------
  28
  29 #if !USE_SHARED_LIBRARY
  30   IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  31 #endif  //USE_SHARED_LIBRARY
  32
  33 // ----------------------------------------------------------------------------
  34 // wxMenuItem
  35 // ----------------------------------------------------------------------------
  36
  37 //
  38 // ctor & dtor
  39 // -----------
  40
  41 wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
  42                        int id,
  43                        const wxString& text,
  44                        const wxString& strHelp,
  45                        wxItemKind kind,
  46                        wxMenu *pSubMenu)
  47           : wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu)
  48 {
  49     // TO DISCUSS on dev : whether we can veto id 0
  50     // wxASSERT_MSG( id != 0 || pSubMenu != NULL , wxT("A MenuItem ID of Zero does not work under Mac") ) ;
  51
  52     // In other languages there is no difference in naming the Exit/Quit menu item between MacOS and Windows guidelines
  53     // therefore these item must not be translated
  54     if ( wxStripMenuCodes(m_text).Upper() ==  wxT("EXIT") )
  55     {
  56         m_text =wxT("Quit\tCtrl+Q") ;
  57     }
  58
  59     m_radioGroup.start = -1;
  60     m_isRadioGroupStart = FALSE;
  61 }
  62
  63 wxMenuItem::~wxMenuItem()
  64 {
  65 }
  66
  67 // change item state
  68 // -----------------
  69
  70 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
  71 {
  72       m_bitmap = bitmap;
  73       UpdateItemBitmap() ;
  74 }
  75
  76 void wxMenuItem::UpdateItemBitmap()
  77 {
  78     if ( !m_parentMenu )
  79         return ;
  80
  81     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
  82     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
  83     if( mhandle == NULL || index == 0)
  84         return ;
  85
  86     if ( m_bitmap.Ok() )
  87     {
  88         ControlButtonContentInfo info ;
  89         wxMacCreateBitmapButton( &info , m_bitmap , kControlContentCIconHandle ) ;
  90         if ( info.contentType != kControlNoContent )
  91         {
  92             if ( info.contentType == kControlContentCIconHandle )
  93                 SetMenuItemIconHandle( mhandle , index ,
  94                     kMenuColorIconType , (Handle) info.u.cIconHandle ) ;
  95         }
  96
  97     }
  98 }
  99
 100 void wxMenuItem::UpdateItemStatus()
 101 {
 102     if ( !m_parentMenu )
 103         return ;
 104
 105 #if TARGET_CARBON
 106     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macPreferencesMenuItemId)
 107     {
 108         if ( !IsEnabled() )
 109             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 110         else
 111             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 112     }
 113     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macExitMenuItemId)
 114     {
 115         if ( !IsEnabled() )
 116             DisableMenuCommand( NULL , kHICommandQuit ) ;
 117         else
 118             EnableMenuCommand( NULL , kHICommandQuit ) ;
 119     }
 120 #endif
 121     {
 122         MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 123         MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 124         if( mhandle == NULL || index == 0)
 125             return ;
 126
 127           UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
 128           if ( IsCheckable() && IsChecked() )
 129             ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
 130         else
 131             ::SetItemMark( mhandle , index , 0 ) ; // no mark
 132
 133            UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 134            wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 135         UMASetMenuItemShortcut( mhandle , index , entry ) ;
 136         delete entry ;
 137     }
 138 }
 139
 140 void wxMenuItem::UpdateItemText()
 141 {
 142     if ( !m_parentMenu )
 143         return ;
 144
 145     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 146     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 147     if( mhandle == NULL || index == 0)
 148         return ;
 149
 150        UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 151        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 152     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 153     delete entry ;
 154 }
 155
 156
 157 void wxMenuItem::Enable(bool bDoEnable)
 158 {
 159     if ( m_isEnabled != bDoEnable )
 160     {
 161         wxMenuItemBase::Enable( bDoEnable ) ;
 162         UpdateItemStatus() ;
 163     }
 164 }
 165 void wxMenuItem::UncheckRadio()
 166 {
 167     if ( m_isChecked )
 168     {
 169         wxMenuItemBase::Check( false ) ;
 170         UpdateItemStatus() ;
 171     }
 172 }
 173
 174 void wxMenuItem::Check(bool bDoCheck)
 175 {
 176     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 177
 178     if ( m_isChecked != bDoCheck )
 179     {
 180         if ( GetKind() == wxITEM_RADIO )
 181         {
 182             if ( bDoCheck )
 183             {
 184                 wxMenuItemBase::Check( bDoCheck ) ;
 185                 UpdateItemStatus() ;
 186
 187                 // get the index of this item in the menu
 188                 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
 189                 int pos = items.IndexOf(this);
 190                 wxCHECK_RET( pos != wxNOT_FOUND,
 191                              _T("menuitem not found in the menu items list?") );
 192
 193                 // get the radio group range
 194                 int start,
 195                     end;
 196
 197                 if ( m_isRadioGroupStart )
 198                 {
 199                     // we already have all information we need
 200                     start = pos;
 201                     end = m_radioGroup.end;
 202                 }
 203                 else // next radio group item
 204                 {
 205                     // get the radio group end from the start item
 206                     start = m_radioGroup.start;
 207                     end = items.Item(start)->GetData()->m_radioGroup.end;
 208                 }
 209
 210                 // also uncheck all the other items in this radio group
 211                 wxMenuItemList::Node *node = items.Item(start);
 212                 for ( int n = start; n <= end && node; n++ )
 213                 {
 214                     if ( n != pos )
 215                     {
 216                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 217                     }
 218                     node = node->GetNext();
 219                 }
 220             }
 221         }
 222         else
 223         {
 224             wxMenuItemBase::Check( bDoCheck ) ;
 225             UpdateItemStatus() ;
 226         }
 227     }
 228 }
 229
 230 void wxMenuItem::SetText(const wxString& text)
 231 {
 232     // don't do anything if label didn't change
 233     if ( m_text == text )
 234         return;
 235
 236     wxMenuItemBase::SetText(text);
 237
 238     UpdateItemText() ;
 239 }
 240
 241 // radio group stuff
 242 // -----------------
 243
 244 void wxMenuItem::SetAsRadioGroupStart()
 245 {
 246     m_isRadioGroupStart = TRUE;
 247 }
 248
 249 void wxMenuItem::SetRadioGroupStart(int start)
 250 {
 251     wxASSERT_MSG( !m_isRadioGroupStart,
 252                   _T("should only be called for the next radio items") );
 253
 254     m_radioGroup.start = start;
 255 }
 256
 257 void wxMenuItem::SetRadioGroupEnd(int end)
 258 {
 259     wxASSERT_MSG( m_isRadioGroupStart,
 260                   _T("should only be called for the first radio item") );
 261
 262     m_radioGroup.end = end;
 263 }
 264
 265 // ----------------------------------------------------------------------------
 266 // wxMenuItemBase
 267 // ----------------------------------------------------------------------------
 268
 269 /* static */
 270 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 271 {
 272     return wxStripMenuCodes(text);
 273 }
 274
 275 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 276                                 int id,
 277                                 const wxString& name,
 278                                 const wxString& help,
 279                                 wxItemKind kind,
 280                                 wxMenu *subMenu)
 281 {
 282     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 283 }