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         wxMacReleaseBitmapButton( &info ) ;
  98
  99     }
 100 }
 101
 102 void wxMenuItem::UpdateItemStatus()
 103 {
 104     if ( !m_parentMenu )
 105         return ;
 106
 107 #if TARGET_CARBON
 108     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macPreferencesMenuItemId)
 109     {
 110         if ( !IsEnabled() )
 111             DisableMenuCommand( NULL , kHICommandPreferences ) ;
 112         else
 113             EnableMenuCommand( NULL , kHICommandPreferences ) ;
 114     }
 115     if ( UMAGetSystemVersion() >= 0x1000 && GetId() == wxApp::s_macExitMenuItemId)
 116     {
 117         if ( !IsEnabled() )
 118             DisableMenuCommand( NULL , kHICommandQuit ) ;
 119         else
 120             EnableMenuCommand( NULL , kHICommandQuit ) ;
 121     }
 122 #endif
 123     {
 124         MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 125         MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 126         if( mhandle == NULL || index == 0)
 127             return ;
 128
 129           UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
 130           if ( IsCheckable() && IsChecked() )
 131             ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
 132         else
 133             ::SetItemMark( mhandle , index , 0 ) ; // no mark
 134
 135            UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 136            wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 137         UMASetMenuItemShortcut( mhandle , index , entry ) ;
 138         delete entry ;
 139     }
 140 }
 141
 142 void wxMenuItem::UpdateItemText()
 143 {
 144     if ( !m_parentMenu )
 145         return ;
 146
 147     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 148     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 149     if( mhandle == NULL || index == 0)
 150         return ;
 151
 152        UMASetMenuItemText( mhandle , index , m_text , wxFont::GetDefaultEncoding() ) ;
 153        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 154     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 155     delete entry ;
 156 }
 157
 158
 159 void wxMenuItem::Enable(bool bDoEnable)
 160 {
 161     if (( m_isEnabled != bDoEnable
 162 #if TARGET_CARBON
 163       // avoid changing menuitem state when menu is disabled
 164       // eg. BeginAppModalStateForWindow() will disable menus and ignore this change
 165       // which in turn causes m_isEnabled to become out of sync with real menuitem state
 166          && !(m_parentMenu && !IsMenuItemEnabled(MAC_WXHMENU(m_parentMenu->GetHMenu()), 0)) )
 167       // always update builtin menuitems
 168          || (   GetId() == wxApp::s_macPreferencesMenuItemId
 169              || GetId() == wxApp::s_macExitMenuItemId
 170              || GetId() == wxApp::s_macAboutMenuItemId
 171 #endif
 172          ))
 173     {
 174         wxMenuItemBase::Enable( bDoEnable ) ;
 175         UpdateItemStatus() ;
 176     }
 177 }
 178 void wxMenuItem::UncheckRadio()
 179 {
 180     if ( m_isChecked )
 181     {
 182         wxMenuItemBase::Check( false ) ;
 183         UpdateItemStatus() ;
 184     }
 185 }
 186
 187 void wxMenuItem::Check(bool bDoCheck)
 188 {
 189     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 190
 191     if ( m_isChecked != bDoCheck )
 192     {
 193         if ( GetKind() == wxITEM_RADIO )
 194         {
 195             if ( bDoCheck )
 196             {
 197                 wxMenuItemBase::Check( bDoCheck ) ;
 198                 UpdateItemStatus() ;
 199
 200                 // get the index of this item in the menu
 201                 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
 202                 int pos = items.IndexOf(this);
 203                 wxCHECK_RET( pos != wxNOT_FOUND,
 204                              _T("menuitem not found in the menu items list?") );
 205
 206                 // get the radio group range
 207                 int start,
 208                     end;
 209
 210                 if ( m_isRadioGroupStart )
 211                 {
 212                     // we already have all information we need
 213                     start = pos;
 214                     end = m_radioGroup.end;
 215                 }
 216                 else // next radio group item
 217                 {
 218                     // get the radio group end from the start item
 219                     start = m_radioGroup.start;
 220                     end = items.Item(start)->GetData()->m_radioGroup.end;
 221                 }
 222
 223                 // also uncheck all the other items in this radio group
 224                 wxMenuItemList::compatibility_iterator node = items.Item(start);
 225                 for ( int n = start; n <= end && node; n++ )
 226                 {
 227                     if ( n != pos )
 228                     {
 229                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 230                     }
 231                     node = node->GetNext();
 232                 }
 233             }
 234         }
 235         else
 236         {
 237             wxMenuItemBase::Check( bDoCheck ) ;
 238             UpdateItemStatus() ;
 239         }
 240     }
 241 }
 242
 243 void wxMenuItem::SetText(const wxString& text)
 244 {
 245     // don't do anything if label didn't change
 246     if ( m_text == text )
 247         return;
 248
 249     wxMenuItemBase::SetText(text);
 250
 251     UpdateItemText() ;
 252 }
 253
 254 // radio group stuff
 255 // -----------------
 256
 257 void wxMenuItem::SetAsRadioGroupStart()
 258 {
 259     m_isRadioGroupStart = TRUE;
 260 }
 261
 262 void wxMenuItem::SetRadioGroupStart(int start)
 263 {
 264     wxASSERT_MSG( !m_isRadioGroupStart,
 265                   _T("should only be called for the next radio items") );
 266
 267     m_radioGroup.start = start;
 268 }
 269
 270 void wxMenuItem::SetRadioGroupEnd(int end)
 271 {
 272     wxASSERT_MSG( m_isRadioGroupStart,
 273                   _T("should only be called for the first radio item") );
 274
 275     m_radioGroup.end = end;
 276 }
 277
 278 // ----------------------------------------------------------------------------
 279 // wxMenuItemBase
 280 // ----------------------------------------------------------------------------
 281
 282 /* static */
 283 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 284 {
 285     return wxStripMenuCodes(text);
 286 }
 287
 288 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 289                                 int id,
 290                                 const wxString& name,
 291                                 const wxString& help,
 292                                 wxItemKind kind,
 293                                 wxMenu *subMenu)
 294 {
 295     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 296 }