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     MenuHandle mhandle = MAC_WXHMENU(m_parentMenu->GetHMenu()) ;
 103     MenuItemIndex index = m_parentMenu->MacGetIndexFromItem( this ) ;
 104     if( mhandle == NULL || index == 0)
 105         return ;
 106
 107       UMAEnableMenuItem( mhandle , index , m_isEnabled ) ;
 108       if ( IsCheckable() && IsChecked() )
 109         ::SetItemMark( mhandle , index , 0x12 ) ; // checkmark
 110     else
 111         ::SetItemMark( mhandle , index , 0 ) ; // no mark
 112
 113        UMASetMenuItemText( mhandle , index , m_text ) ;
 114        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 115     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 116     delete entry ;
 117 }
 118
 119 void wxMenuItem::UpdateItemText()
 120 {
 121     if ( !m_parentMenu )
 122         return ;
 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        UMASetMenuItemText( mhandle , index , m_text ) ;
 130        wxAcceleratorEntry *entry = wxGetAccelFromString( m_text ) ;
 131     UMASetMenuItemShortcut( mhandle , index , entry ) ;
 132     delete entry ;
 133 }
 134
 135
 136 void wxMenuItem::Enable(bool bDoEnable)
 137 {
 138     if ( m_isEnabled != bDoEnable )
 139     {
 140         wxMenuItemBase::Enable( bDoEnable ) ;
 141         UpdateItemStatus() ;
 142     }
 143 }
 144 void wxMenuItem::UncheckRadio()
 145 {
 146     if ( m_isChecked )
 147     {
 148         wxMenuItemBase::Check( false ) ;
 149         UpdateItemStatus() ;
 150     }
 151 }
 152
 153 void wxMenuItem::Check(bool bDoCheck)
 154 {
 155     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 156
 157     if ( m_isChecked != bDoCheck )
 158     {
 159         if ( GetKind() == wxITEM_RADIO )
 160         {
 161             if ( bDoCheck )
 162             {
 163                 wxMenuItemBase::Check( bDoCheck ) ;
 164                 UpdateItemStatus() ;
 165
 166                 // get the index of this item in the menu
 167                 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
 168                 int pos = items.IndexOf(this);
 169                 wxCHECK_RET( pos != wxNOT_FOUND,
 170                              _T("menuitem not found in the menu items list?") );
 171
 172                 // get the radio group range
 173                 int start,
 174                     end;
 175
 176                 if ( m_isRadioGroupStart )
 177                 {
 178                     // we already have all information we need
 179                     start = pos;
 180                     end = m_radioGroup.end;
 181                 }
 182                 else // next radio group item
 183                 {
 184                     // get the radio group end from the start item
 185                     start = m_radioGroup.start;
 186                     end = items.Item(start)->GetData()->m_radioGroup.end;
 187                 }
 188
 189                 // also uncheck all the other items in this radio group
 190                 wxMenuItemList::Node *node = items.Item(start);
 191                 for ( int n = start; n <= end && node; n++ )
 192                 {
 193                     if ( n != pos )
 194                     {
 195                         ((wxMenuItem*)node->GetData())->UncheckRadio();
 196                     }
 197                     node = node->GetNext();
 198                 }
 199             }
 200         }
 201         else
 202         {
 203             wxMenuItemBase::Check( bDoCheck ) ;
 204             UpdateItemStatus() ;
 205         }
 206     }
 207 }
 208
 209 void wxMenuItem::SetText(const wxString& text)
 210 {
 211     // don't do anything if label didn't change
 212     if ( m_text == text )
 213         return;
 214
 215     wxMenuItemBase::SetText(text);
 216
 217     UpdateItemText() ;
 218 }
 219
 220 // radio group stuff
 221 // -----------------
 222
 223 void wxMenuItem::SetAsRadioGroupStart()
 224 {
 225     m_isRadioGroupStart = TRUE;
 226 }
 227
 228 void wxMenuItem::SetRadioGroupStart(int start)
 229 {
 230     wxASSERT_MSG( !m_isRadioGroupStart,
 231                   _T("should only be called for the next radio items") );
 232
 233     m_radioGroup.start = start;
 234 }
 235
 236 void wxMenuItem::SetRadioGroupEnd(int end)
 237 {
 238     wxASSERT_MSG( m_isRadioGroupStart,
 239                   _T("should only be called for the first radio item") );
 240
 241     m_radioGroup.end = end;
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // wxMenuItemBase
 246 // ----------------------------------------------------------------------------
 247
 248 /* static */
 249 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 250 {
 251     return wxStripMenuCodes(text);
 252 }
 253
 254 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 255                                 int id,
 256                                 const wxString& name,
 257                                 const wxString& help,
 258                                 wxItemKind kind,
 259                                 wxMenu *subMenu)
 260 {
 261     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 262 }