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 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  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     wxASSERT_MSG( id != 0 || pSubMenu != NULL , wxT("A MenuItem ID of Zero does not work under Mac") ) ;
  50
  51     // In other languages there is no difference in naming the Exit/Quit menu item between MacOS and Windows guidelines
  52     // therefore these item must not be translated
  53     if ( wxStripMenuCodes(m_text).Upper() ==  wxT("EXIT") )
  54     {
  55         m_text =wxT("Quit\tCtrl+Q") ;
  56     }
  57
  58     m_radioGroup.start = -1;
  59     m_isRadioGroupStart = false;
  60 }
  61
  62 wxMenuItem::~wxMenuItem()
  63 {
  64 }
  65
  66 // change item state
  67 // -----------------
  68
  69 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
  70 {
  71       m_bitmap = bitmap;
  72       UpdateItemBitmap();
  73 }
  74
  75 void wxMenuItem::UpdateItemBitmap()
  76 {
  77     if ( !m_parentMenu )
  78         return ;
  79
  80     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
  81     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
  82     if( mhandle == NULL || index == 0)
  83         return ;
  84
  85     if ( m_bitmap.Ok() )
  86     {
  87 #if wxUSE_BMPBUTTON
  88         ControlButtonContentInfo info ;
  89         wxMacCreateBitmapButton( &info , m_bitmap ) ;
  90         if ( info.contentType != kControlNoContent )
  91         {
  92             if ( info.contentType == kControlContentIconRef )
  93                 SetMenuItemIconHandle( mhandle , index ,
  94                     kMenuIconRefType , (Handle) info.u.iconRef ) ;
  95         }
  96         wxMacReleaseBitmapButton( &info ) ;
  97 #endif
  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       // avoid changing menuitem state when menu is disabled
 163       // eg. BeginAppModalStateForWindow() will disable menus and ignore this change
 164       // which in turn causes m_isEnabled to become out of sync with real menuitem state
 165          && !(m_parentMenu && !IsMenuItemEnabled(MAC_WXHMENU(m_parentMenu->GetHMenu()), 0)) )
 166       // always update builtin menuitems
 167          || (   GetId() == wxApp::s_macPreferencesMenuItemId
 168              || GetId() == wxApp::s_macExitMenuItemId
 169              || GetId() == wxApp::s_macAboutMenuItemId
 170 #endif
 171          ))
 172     {
 173         wxMenuItemBase::Enable( bDoEnable ) ;
 174         UpdateItemStatus() ;
 175     }
 176 }
 177 void wxMenuItem::UncheckRadio()
 178 {
 179     if ( m_isChecked )
 180     {
 181         wxMenuItemBase::Check( false ) ;
 182         UpdateItemStatus() ;
 183     }
 184 }
 185
 186 void wxMenuItem::Check(bool bDoCheck)
 187 {
 188     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 189
 190     if ( m_isChecked != bDoCheck )
 191     {
 192         if ( GetKind() == wxITEM_RADIO )
 193         {
 194             if ( bDoCheck )
 195             {
 196                 wxMenuItemBase::Check( bDoCheck ) ;
 197                 UpdateItemStatus() ;
 198
 199                 // get the index of this item in the menu
 200                 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
 201                 int pos = items.IndexOf(this);
 202                 wxCHECK_RET( pos != wxNOT_FOUND,
 203                              _T("menuitem not found in the menu items list?") );
 204
 205                 // get the radio group range
 206                 int start,
 207                     end;
 208
 209                 if ( m_isRadioGroupStart )
 210                 {
 211                     // we already have all information we need
 212                     start = pos;
 213                     end = m_radioGroup.end;
 214                 }
 215                 else // next radio group item
 216                 {
 217                     // get the radio group end from the start item
 218                     start = m_radioGroup.start;
 219                     end = items.Item(start)->GetData()->m_radioGroup.end;
 220                 }
 221
 222                 // also uncheck all the other items in this radio group
 223                 wxMenuItemList::compatibility_iterator node = items.Item(start);
 224                 for ( int n = start; n <= end && node; n++ )
 225                 {
 226                     if ( n != pos )
 227                     {
 228                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 229                     }
 230                     node = node->GetNext();
 231                 }
 232             }
 233         }
 234         else
 235         {
 236             wxMenuItemBase::Check( bDoCheck ) ;
 237             UpdateItemStatus() ;
 238         }
 239     }
 240 }
 241
 242 void wxMenuItem::SetText(const wxString& text)
 243 {
 244     // don't do anything if label didn't change
 245     if ( m_text == text )
 246         return;
 247
 248     wxMenuItemBase::SetText(text);
 249
 250     UpdateItemText() ;
 251 }
 252
 253 // radio group stuff
 254 // -----------------
 255
 256 void wxMenuItem::SetAsRadioGroupStart()
 257 {
 258     m_isRadioGroupStart = true;
 259 }
 260
 261 void wxMenuItem::SetRadioGroupStart(int start)
 262 {
 263     wxASSERT_MSG( !m_isRadioGroupStart,
 264                   _T("should only be called for the next radio items") );
 265
 266     m_radioGroup.start = start;
 267 }
 268
 269 void wxMenuItem::SetRadioGroupEnd(int end)
 270 {
 271     wxASSERT_MSG( m_isRadioGroupStart,
 272                   _T("should only be called for the first radio item") );
 273
 274     m_radioGroup.end = end;
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // wxMenuItemBase
 279 // ----------------------------------------------------------------------------
 280
 281 /* static */
 282 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 283 {
 284     return wxStripMenuCodes(text);
 285 }
 286
 287 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 288                                 int id,
 289                                 const wxString& name,
 290                                 const wxString& help,
 291                                 wxItemKind kind,
 292                                 wxMenu *subMenu)
 293 {
 294     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 295 }