src/mac/carbon/menuitem.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        menuitem.cpp
   3 // Purpose:     wxMenuItem implementation
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   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 // Helper Functions to get Mac Menus the way they should be ;-)
  39 //
  40
  41 void wxMacCtoPString(const char* theCString, Str255 thePString);
  42
  43 // remove inappropriate characters, if useShortcuts is false, the ampersand will not auto-generate a mac menu-shortcut
  44
  45 int wxMenuItem::MacBuildMenuString(StringPtr outMacItemText, SInt16 *outMacShortcutChar , UInt8 *outMacModifiers , const char *inItemText , bool useShortcuts )
  46 {
  47         char *p = (char *) &outMacItemText[1] ;
  48         short macModifiers = 0 ;
  49         char macShortCut = 0 ;
  50         const char *inItemName ;
  51         wxString inItemTextMac ;
  52
  53         if (wxApp::s_macDefaultEncodingIsPC)
  54         {
  55                 inItemTextMac =  wxMacMakeMacStringFromPC( inItemText ) ;
  56                 inItemName = inItemTextMac ;
  57         }
  58         else
  59         {
  60                 inItemName = inItemText ;
  61         }
  62
  63         if ( useShortcuts && !wxApp::s_macSupportPCMenuShortcuts )
  64                 useShortcuts = false ;
  65
  66         // we have problems with a leading hypen - it will be taken as a separator
  67
  68         while ( *inItemName == '-' )
  69                 inItemName++ ;
  70
  71         while( *inItemName )
  72         {
  73                 switch ( *inItemName )
  74                 {
  75                         // special characters for macintosh menus -> use some replacement
  76                         case ';' :
  77                                 *p++ = ',' ;
  78                                 break ;
  79                         case '^' :
  80                                 *p++ = ' ' ;
  81                                 break ;
  82                         case '!' :
  83                                 *p++ = ' ' ;
  84                                 break ;
  85                         case '<' :
  86                                 *p++ = '[' ;
  87                                 break ;
  88                         case '>' :
  89                                 *p++ = ']' ;
  90                                 break ;
  91                         case '/' :
  92                                 *p++ = '|' ;
  93                                 break ;
  94                         case '(' :
  95                                 *p++ = '[' ;
  96                                 break ;
  97                         case ')' :
  98                                 *p++ = ']' ;
  99                                 break ;
 100                         // shortcuts
 101                         case '&' :
 102                                 {
 103                                         ++inItemName ;
 104                                         if ( *inItemName )
 105                                         {
 106                                                 *p++ = *inItemName ;
 107                                                 if ( useShortcuts )
 108                                                         macShortCut = *inItemName ;
 109                                         }
 110                                         else
 111                                                 --inItemName ;
 112                                 }
 113                                 break ;
 114                         // win-like accelerators
 115                         case '\t' :
 116                                 {
 117                                         ++inItemName ;
 118                                         while( *inItemName )
 119                                         {
 120                                                 if (strncmp("Ctrl", inItemName, 4) == 0)
 121                                                 {
 122                                                         inItemName = inItemName + 5;
 123                                                         macShortCut = *inItemName;
 124                                                 }
 125                                                 else if (strncmp("Cntrl", inItemName, 5) == 0)
 126                                                 {
 127                                                         inItemName = inItemName + 6;
 128                                                         macShortCut = *inItemName;
 129                                                 }
 130                                                 else if (strncmp("Alt", inItemName, 3) == 0)
 131                                                 {
 132                                                         inItemName = inItemName + 4;
 133                                                         macModifiers |= kMenuOptionModifier ;
 134                                                         macShortCut = *inItemName ;
 135                                                 }
 136                                                 else if (strncmp("Shift", inItemName, 5) == 0)
 137                                                 {
 138                                                         inItemName = inItemName + 6;
 139                                                         macModifiers |= kMenuShiftModifier ;
 140                                                         macShortCut = *inItemName ;
 141                                                 }
 142                                                 else if (strncmp("F", inItemName, 1) == 0)
 143                                                 {
 144                                                         inItemName += strlen( inItemName ) ;
 145                                                         // no function keys at the moment
 146                                                         // macModifiers |= kMenuShiftModifier ;
 147                                                         // macShortCut = *inItemName ;
 148                                                 }
 149                                                 else
 150                                                 {
 151                                                         break ;
 152                                                 }
 153                                         }
 154
 155                                         if ( *inItemName == 0 )
 156                                                 --inItemName ;
 157
 158                                 }
 159                                 break ;
 160                         default :
 161                                 *p++ = *inItemName ;
 162                 }
 163                 ++inItemName ;
 164         }
 165
 166         outMacItemText[0] = (p - (char *)outMacItemText) - 1;
 167         if ( outMacShortcutChar )
 168                 *outMacShortcutChar = macShortCut ;
 169         if ( outMacModifiers )
 170                 *outMacModifiers = macModifiers ;
 171
 172         return 0 ;
 173 }
 174
 175 // ctor & dtor
 176 // -----------
 177
 178 wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
 179                        const wxString& text, const wxString& strHelp,
 180                        bool bCheckable,
 181                        wxMenu *pSubMenu)
 182 {
 183     wxASSERT( pParentMenu != NULL );
 184
 185     m_parentMenu  = pParentMenu;
 186     m_subMenu     = pSubMenu;
 187     m_isEnabled   = TRUE;
 188     m_isChecked   = FALSE;
 189     m_id          = id;
 190     m_text        = text;
 191     m_isCheckable = bCheckable;
 192     m_help        = strHelp;
 193
 194
 195     if ( m_text ==  "E&xit"  ||m_text == "Exit" )
 196     {
 197         m_text = "Quit\tCtrl+Q" ;
 198     }
 199 }
 200
 201 wxMenuItem::~wxMenuItem()
 202 {
 203 }
 204
 205 bool wxMenuItem::IsChecked() const
 206 {
 207     return wxMenuItemBase::IsChecked() ;
 208 }
 209
 210 wxString wxMenuItem::GetLabel() const
 211 {
 212     return wxStripMenuCodes(m_text);
 213 }
 214
 215 // accelerators
 216 // ------------
 217
 218 #if wxUSE_ACCEL
 219
 220 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 221 {
 222     return wxGetAccelFromString(GetText());
 223 }
 224
 225 #endif // wxUSE_ACCEL
 226
 227 // misc
 228 // ----
 229
 230 /*
 231
 232 // delete the sub menu
 233 void wxMenuItem::DeleteSubMenu()
 234 {
 235   wxASSERT( m_subMenu != NULL );
 236
 237   delete m_subMenu;
 238   m_subMenu = NULL;
 239 }
 240
 241 */
 242
 243 // change item state
 244 // -----------------
 245
 246 void wxMenuItem::Enable(bool bDoEnable)
 247 {
 248   if ( m_isEnabled != bDoEnable ) {
 249     if ( m_subMenu == NULL )
 250     {
 251         // normal menu item
 252             if ( m_parentMenu->GetHMenu() )
 253             {
 254                         int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 255                         if ( index >= 1 )
 256                         {
 257                                 if ( bDoEnable )
 258                                         UMAEnableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 259                                 else
 260                                         UMADisableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 261                         }
 262             }
 263     }
 264     else
 265     {
 266                 // submenu
 267             if ( m_parentMenu->GetHMenu() )
 268             {
 269                         int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 270                         if ( index >= 1 )
 271                         {
 272                                 if ( bDoEnable )
 273                                         UMAEnableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 274                                 else
 275                                         UMADisableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 276                         }
 277             }
 278     }
 279
 280     m_isEnabled = bDoEnable;
 281   }
 282 }
 283
 284 void wxMenuItem::Check(bool bDoCheck)
 285 {
 286   wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
 287
 288   if ( m_isChecked != bDoCheck )
 289   {
 290     m_isChecked = bDoCheck;
 291         if ( m_parentMenu->GetHMenu() )
 292     {
 293                 int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 294                 if ( index >= 1 )
 295                 {
 296                         if ( bDoCheck )
 297                                         ::SetItemMark( m_parentMenu->GetHMenu() , index , 0x12 ) ; // checkmark
 298                                 else
 299                                         ::SetItemMark( m_parentMenu->GetHMenu() , index , 0 ) ; // no mark
 300                 }
 301         }
 302   }
 303 }
 304
 305 void wxMenuItem::SetText(const wxString& text)
 306 {
 307     // don't do anything if label didn't change
 308     if ( m_text == text )
 309         return;
 310
 311     wxMenuItemBase::SetText(text);
 312 //    OWNER_DRAWN_ONLY( wxOwnerDrawn::SetName(text) );
 313
 314     wxCHECK_RET( m_parentMenu && m_parentMenu->GetHMenu(), wxT("menuitem without menu") );
 315         if ( m_parentMenu->GetHMenu() )
 316     {
 317                 int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 318                 if ( index >= 1 )
 319                 {
 320                         Str255 label;
 321                         MacBuildMenuString( label , NULL , NULL , text ,false);
 322                         UMASetMenuItemText( m_parentMenu->GetHMenu() , index , label ) ; // checkmark
 323                 }
 324         }
 325
 326 #if wxUSE_ACCEL
 327     m_parentMenu->UpdateAccel(this);
 328 #endif // wxUSE_ACCEL
 329
 330 }
 331 void wxMenuItem::SetCheckable(bool checkable)
 332 {
 333     wxMenuItemBase::SetCheckable(checkable);
 334    // OWNER_DRAWN_ONLY( wxOwnerDrawn::SetCheckable(checkable) );
 335 }
 336
 337 // ----------------------------------------------------------------------------
 338 // wxMenuItemBase
 339 // ----------------------------------------------------------------------------
 340
 341 /* static */
 342 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 343 {
 344     return wxStripMenuCodes(text);
 345 }
 346
 347 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 348                                 int id,
 349                                 const wxString& name,
 350                                 const wxString& help,
 351                                 bool isCheckable,
 352                                 wxMenu *subMenu)
 353 {
 354     return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
 355 }