src/mac/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     // In other languages there is no difference in naming the Exit/Quit menu item between MacOS and Windows guidelines
  50     // therefore these item must not be translated
  51     if ( wxStripMenuCodes(m_text).Upper() ==  wxT("EXIT") )
  52     {
  53         m_text =wxT("Quit\tCtrl+Q") ;
  54     }
  55
  56     m_radioGroup.start = -1;
  57     m_isRadioGroupStart = FALSE;
  58 }
  59
  60 wxMenuItem::~wxMenuItem()
  61 {
  62 }
  63
  64 // change item state
  65 // -----------------
  66
  67 void wxMenuItem::SetBitmap(const wxBitmap& bitmap)
  68 {
  69       m_bitmap = bitmap;
  70       UpdateItemBitmap() ;
  71 }
  72
  73 void wxMenuItem::UpdateItemBitmap()
  74 {
  75     if ( !m_parentMenu )
  76         return ;
  77
  78     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
  79     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
  80     if( mhandle == NULL || index == 0)
  81         return ;
  82
  83     if ( m_bitmap.Ok() )
  84     {
  85         ControlButtonContentInfo info ;
  86         wxMacCreateBitmapButton( &info , m_bitmap , kControlContentCIconHandle ) ;
  87         if ( info.contentType != kControlNoContent )
  88         {
  89             if ( info.contentType == kControlContentCIconHandle )
  90                 SetMenuItemIconHandle( mhandle , index ,
  91                     kMenuColorIconType , (Handle) info.u.cIconHandle ) ;
  92         }
  93
  94     }
  95 }
  96
  97 void wxMenuItem::UpdateItemStatus()
  98 {
  99     if ( !m_parentMenu )
 100         return ;
 101
 102 #if TARGET_CARBON
 103     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macPreferencesMenuItemId)
 104     {
 105         if ( !IsEnabled() )
 106             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 107         else
 108             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 109     }
 110     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macExitMenuItemId)
 111     {
 112         if ( !IsEnabled() )
 113             DisableMenuCommand( NULL , kHICommandQuit ) ;
 114         else
 115             EnableMenuCommand( NULL , kHICommandQuit ) ;
 116     }
 117 #endif
 118     {
 119         MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 120         MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 121         if( mhandle == NULL || index == 0)
 122             return ;
 123
 124           UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
 125           if ( IsCheckable() && IsChecked() )
 126             ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
 127         else
 128             ::SetItemMark( mhandle , index , 0 ) ; // no mark
 129
 130            UMASetMenuItemText( mhandle , index , m_text ) ;
 131            wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 132         UMASetMenuItemShortcut( mhandle , index , entry ) ;
 133         delete entry ;
 134     }
 135 }
 136
 137 void wxMenuItem::UpdateItemText()
 138 {
 139     if ( !m_parentMenu )
 140         return ;
 141
 142     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 143     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 144     if( mhandle == NULL || index == 0)
 145         return ;
 146
 147        UMASetMenuItemText( mhandle , index , m_text ) ;
 148        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 149     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 150     delete entry ;
 151 }
 152
 153
 154 void wxMenuItem::Enable(bool bDoEnable)
 155 {
 156     if ( m_isEnabled != bDoEnable )
 157     {
 158         wxMenuItemBase::Enable( bDoEnable ) ;
 159         UpdateItemStatus() ;
 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(), 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,
 192                     end;
 193
 194                 if ( m_isRadioGroupStart )
 195                 {
 196                     // we already have all information we need
 197                     start = pos;
 198                     end = m_radioGroup.end;
 199                 }
 200                 else // next radio group item
 201                 {
 202                     // get the radio group end from the start item
 203                     start = m_radioGroup.start;
 204                     end = items.Item(start)->GetData()->m_radioGroup.end;
 205                 }
 206
 207                 // also uncheck all the other items in this radio group
 208                 wxMenuItemList::Node *node = items.Item(start);
 209                 for ( int n = start; n <= end && node; n++ )
 210                 {
 211                     if ( n != pos )
 212                     {
 213                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 214                     }
 215                     node = node->GetNext();
 216                 }
 217             }
 218         }
 219         else
 220         {
 221             wxMenuItemBase::Check( bDoCheck ) ;
 222             UpdateItemStatus() ;
 223         }
 224     }
 225 }
 226
 227 void wxMenuItem::SetText(const wxString& text)
 228 {
 229     // don't do anything if label didn't change
 230     if ( m_text == text )
 231         return;
 232
 233     wxMenuItemBase::SetText(text);
 234
 235     UpdateItemText() ;
 236 }
 237
 238 // radio group stuff
 239 // -----------------
 240
 241 void wxMenuItem::SetAsRadioGroupStart()
 242 {
 243     m_isRadioGroupStart = TRUE;
 244 }
 245
 246 void wxMenuItem::SetRadioGroupStart(int start)
 247 {
 248     wxASSERT_MSG( !m_isRadioGroupStart,
 249                   _T("should only be called for the next radio items") );
 250
 251     m_radioGroup.start = start;
 252 }
 253
 254 void wxMenuItem::SetRadioGroupEnd(int end)
 255 {
 256     wxASSERT_MSG( m_isRadioGroupStart,
 257                   _T("should only be called for the first radio item") );
 258
 259     m_radioGroup.end = end;
 260 }
 261
 262 // ----------------------------------------------------------------------------
 263 // wxMenuItemBase
 264 // ----------------------------------------------------------------------------
 265
 266 /* static */
 267 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 268 {
 269     return wxStripMenuCodes(text);
 270 }
 271
 272 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 273                                 int id,
 274                                 const wxString& name,
 275                                 const wxString& help,
 276                                 wxItemKind kind,
 277                                 wxMenu *subMenu)
 278 {
 279     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 280 }