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 // ============================================================================
  13 // headers & declarations
  14 // ============================================================================
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/app.h"
  19 #include "wx/menu.h"
  20 #include "wx/menuitem.h"
  21
  22 #include "wx/mac/uma.h"
  23 // ============================================================================
  24 // implementation
  25 // ============================================================================
  26
  27 // ----------------------------------------------------------------------------
  28 // dynamic classes implementation
  29 // ----------------------------------------------------------------------------
  30
  31 #if !USE_SHARED_LIBRARY
  32   IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  33 #endif  //USE_SHARED_LIBRARY
  34
  35 // ----------------------------------------------------------------------------
  36 // wxMenuItem
  37 // ----------------------------------------------------------------------------
  38
  39 //
  40 // ctor & dtor
  41 // -----------
  42
  43 wxMenuItem::wxMenuItem(wxMenu *pParentMenu,
  44                        int id,
  45                        const wxString& text,
  46                        const wxString& strHelp,
  47                        wxItemKind kind,
  48                        wxMenu *pSubMenu)
  49           : wxMenuItemBase(pParentMenu, id, text, strHelp, kind, pSubMenu)
  50 {
  51     wxASSERT_MSG( id != 0 || pSubMenu != NULL , wxT("A MenuItem ID of Zero does not work under Mac") ) ;
  52
  53     // In other languages there is no difference in naming the Exit/Quit menu item between MacOS and Windows guidelines
  54     // therefore these item must not be translated
  55     if ( wxStripMenuCodes(m_text).Upper() ==  wxT("EXIT") )
  56     {
  57         m_text =wxT("Quit\tCtrl+Q") ;
  58     }
  59
  60     m_radioGroup.start = -1;
  61     m_isRadioGroupStart = FALSE;
  62 }
  63
  64 wxMenuItem::~wxMenuItem()
  65 {
  66 }
  67
  68 // change item state
  69 // -----------------
  70
  71 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
  72 {
  73       m_bitmap = bitmap;
  74       UpdateItemBitmap() ;
  75 }
  76
  77 void wxMenuItem::UpdateItemBitmap()
  78 {
  79     if ( !m_parentMenu )
  80         return ;
  81
  82     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
  83     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
  84     if( mhandle == NULL || index == 0)
  85         return ;
  86
  87     if ( m_bitmap.Ok() )
  88     {
  89         ControlButtonContentInfo info ;
  90         wxMacCreateBitmapButton( &info , m_bitmap , kControlContentCIconHandle ) ;
  91         if ( info.contentType != kControlNoContent )
  92         {
  93             if ( info.contentType == kControlContentCIconHandle )
  94                 SetMenuItemIconHandle( mhandle , index ,
  95                     kMenuColorIconType , (Handle) info.u.cIconHandle ) ;
  96         }
  97
  98     }
  99 }
 100
 101 void wxMenuItem::UpdateItemStatus()
 102 {
 103     if ( !m_parentMenu )
 104         return ;
 105
 106 #if TARGET_CARBON
 107     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macPreferencesMenuItemId)
 108     {
 109         if ( !IsEnabled() )
 110             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 111         else
 112             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 113     }
 114     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macExitMenuItemId)
 115     {
 116         if ( !IsEnabled() )
 117             DisableMenuCommand( NULL , kHICommandQuit ) ;
 118         else
 119             EnableMenuCommand( NULL , kHICommandQuit ) ;
 120     }
 121 #endif
 122     {
 123         MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 124         MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 125         if( mhandle == NULL || index == 0)
 126             return ;
 127
 128           UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
 129           if ( IsCheckable() && IsChecked() )
 130             ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
 131         else
 132             ::SetItemMark( mhandle , index , 0 ) ; // no mark
 133
 134            UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 135            wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 136         UMASetMenuItemShortcut( mhandle , index , entry ) ;
 137         delete entry ;
 138     }
 139 }
 140
 141 void wxMenuItem::UpdateItemText()
 142 {
 143     if ( !m_parentMenu )
 144         return ;
 145
 146     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 147     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 148     if( mhandle == NULL || index == 0)
 149         return ;
 150
 151        UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 152        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 153     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 154     delete entry ;
 155 }
 156
 157
 158 void wxMenuItem::Enable(bool bDoEnable)
 159 {
 160     if ( m_isEnabled != bDoEnable
 161 #if TARGET_CARBON
 162          || GetId() == wxApp::s_macPreferencesMenuItemId
 163          || GetId() == wxApp::s_macExitMenuItemId
 164          || GetId() == wxApp::s_macAboutMenuItemId
 165 #endif
 166          )
 167     {
 168         wxMenuItemBase::Enable( bDoEnable ) ;
 169         UpdateItemStatus() ;
 170     }
 171 }
 172 void wxMenuItem::UncheckRadio()
 173 {
 174     if ( m_isChecked )
 175     {
 176         wxMenuItemBase::Check( false ) ;
 177         UpdateItemStatus() ;
 178     }
 179 }
 180
 181 void wxMenuItem::Check(bool bDoCheck)
 182 {
 183     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 184
 185     if ( m_isChecked != bDoCheck )
 186     {
 187         if ( GetKind() == wxITEM_RADIO )
 188         {
 189             if ( bDoCheck )
 190             {
 191                 wxMenuItemBase::Check( bDoCheck ) ;
 192                 UpdateItemStatus() ;
 193
 194                 // get the index of this item in the menu
 195                 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
 196                 int pos = items.IndexOf(this);
 197                 wxCHECK_RET( pos != wxNOT_FOUND,
 198                              _T("menuitem not found in the menu items list?") );
 199
 200                 // get the radio group range
 201                 int start,
 202                     end;
 203
 204                 if ( m_isRadioGroupStart )
 205                 {
 206                     // we already have all information we need
 207                     start = pos;
 208                     end = m_radioGroup.end;
 209                 }
 210                 else // next radio group item
 211                 {
 212                     // get the radio group end from the start item
 213                     start = m_radioGroup.start;
 214                     end = items.Item(start)->GetData()->m_radioGroup.end;
 215                 }
 216
 217                 // also uncheck all the other items in this radio group
 218                 wxMenuItemList::compatibility_iterator node = items.Item(start);
 219                 for ( int n = start; n <= end && node; n++ )
 220                 {
 221                     if ( n != pos )
 222                     {
 223                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 224                     }
 225                     node = node->GetNext();
 226                 }
 227             }
 228         }
 229         else
 230         {
 231             wxMenuItemBase::Check( bDoCheck ) ;
 232             UpdateItemStatus() ;
 233         }
 234     }
 235 }
 236
 237 void wxMenuItem::SetText(const wxString& text)
 238 {
 239     // don't do anything if label didn't change
 240     if ( m_text == text )
 241         return;
 242
 243     wxMenuItemBase::SetText(text);
 244
 245     UpdateItemText() ;
 246 }
 247
 248 // radio group stuff
 249 // -----------------
 250
 251 void wxMenuItem::SetAsRadioGroupStart()
 252 {
 253     m_isRadioGroupStart = TRUE;
 254 }
 255
 256 void wxMenuItem::SetRadioGroupStart(int start)
 257 {
 258     wxASSERT_MSG( !m_isRadioGroupStart,
 259                   _T("should only be called for the next radio items") );
 260
 261     m_radioGroup.start = start;
 262 }
 263
 264 void wxMenuItem::SetRadioGroupEnd(int end)
 265 {
 266     wxASSERT_MSG( m_isRadioGroupStart,
 267                   _T("should only be called for the first radio item") );
 268
 269     m_radioGroup.end = end;
 270 }
 271
 272 // ----------------------------------------------------------------------------
 273 // wxMenuItemBase
 274 // ----------------------------------------------------------------------------
 275
 276 /* static */
 277 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 278 {
 279     return wxStripMenuCodes(text);
 280 }
 281
 282 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 283                                 int id,
 284                                 const wxString& name,
 285                                 const wxString& help,
 286                                 wxItemKind kind,
 287                                 wxMenu *subMenu)
 288 {
 289     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 290 }