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/menu.h"
  17 #include "wx/menuitem.h"
  18
  19 #include <wx/mac/uma.h>
  20 // ============================================================================
  21 // implementation
  22 // ============================================================================
  23
  24 // ----------------------------------------------------------------------------
  25 // dynamic classes implementation
  26 // ----------------------------------------------------------------------------
  27
  28 #if !USE_SHARED_LIBRARY
  29   IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
  30 #endif  //USE_SHARED_LIBRARY
  31
  32 // ----------------------------------------------------------------------------
  33 // wxMenuItem
  34 // ----------------------------------------------------------------------------
  35
  36 //
  37 // Helper Functions to get Mac Menus the way they should be ;-)
  38 //
  39
  40 void wxMacCtoPString(const char* theCString, Str255 thePString);
  41
  42 // remove inappropriate characters, if useShortcuts is false, the ampersand will not auto-generate a mac menu-shortcut
  43
  44 int wxMenuItem::MacBuildMenuString(StringPtr outMacItemText, SInt16 *outMacShortcutChar , UInt8 *outMacModifiers , const char *inItemText , bool useShortcuts )
  45 {
  46         char *p = (char *) &outMacItemText[1] ;
  47         short macModifiers = 0 ;
  48         char macShortCut = 0 ;
  49         const char *inItemName ;
  50         wxString inItemTextMac ;
  51
  52         if (wxApp::s_macDefaultEncodingIsPC)
  53         {
  54                 inItemTextMac =  wxMacMakeMacStringFromPC( inItemText ) ;
  55                 inItemName = inItemTextMac ;
  56         }
  57         else
  58         {
  59                 inItemName = inItemText ;
  60         }
  61
  62         if ( useShortcuts && !wxApp::s_macSupportPCMenuShortcuts )
  63                 useShortcuts = false ;
  64
  65         // we have problems with a leading hypen - it will be taken as a separator
  66
  67         while ( *inItemName == '-' )
  68                 inItemName++ ;
  69
  70         while( *inItemName )
  71         {
  72                 switch ( *inItemName )
  73                 {
  74                         // special characters for macintosh menus -> use some replacement
  75                         case ';' :
  76                                 *p++ = ',' ;
  77                                 break ;
  78                         case '^' :
  79                                 *p++ = ' ' ;
  80                                 break ;
  81                         case '!' :
  82                                 *p++ = ' ' ;
  83                                 break ;
  84                         case '<' :
  85                                 *p++ = '[' ;
  86                                 break ;
  87                         case '>' :
  88                                 *p++ = ']' ;
  89                                 break ;
  90                         case '/' :
  91                                 *p++ = '|' ;
  92                                 break ;
  93                         case '(' :
  94                                 *p++ = '[' ;
  95                                 break ;
  96                         case ')' :
  97                                 *p++ = ']' ;
  98                                 break ;
  99                         // shortcuts
 100                         case '&' :
 101                                 {
 102                                         ++inItemName ;
 103                                         if ( *inItemName )
 104                                         {
 105                                                 *p++ = *inItemName ;
 106                                                 if ( useShortcuts )
 107                                                         macShortCut = *inItemName ;
 108                                         }
 109                                         else
 110                                                 --inItemName ;
 111                                 }
 112                                 break ;
 113                         // win-like accelerators
 114                         case '\t' :
 115                                 {
 116                                         ++inItemName ;
 117                                         while( *inItemName )
 118                                         {
 119                                                 if (strncmp("Ctrl", inItemName, 4) == 0)
 120                                                 {
 121                                                         inItemName = inItemName + 5;
 122                                                         macShortCut = *inItemName;
 123                                                 }
 124                                                 else if (strncmp("Cntrl", inItemName, 5) == 0)
 125                                                 {
 126                                                         inItemName = inItemName + 6;
 127                                                         macShortCut = *inItemName;
 128                                                 }
 129                                                 else if (strncmp("Alt", inItemName, 3) == 0)
 130                                                 {
 131                                                         inItemName = inItemName + 4;
 132                                                         macModifiers |= kMenuOptionModifier ;
 133                                                         macShortCut = *inItemName ;
 134                                                 }
 135                                                 else if (strncmp("Shift", inItemName, 5) == 0)
 136                                                 {
 137                                                         inItemName = inItemName + 6;
 138                                                         macModifiers |= kMenuShiftModifier ;
 139                                                         macShortCut = *inItemName ;
 140                                                 }
 141                                                 else if (strncmp("F", inItemName, 1) == 0)
 142                                                 {
 143                                                         inItemName += strlen( inItemName ) ;
 144                                                         // no function keys at the moment
 145                                                         // macModifiers |= kMenuShiftModifier ;
 146                                                         // macShortCut = *inItemName ;
 147                                                 }
 148                                                 else
 149                                                 {
 150                                                         break ;
 151                                                 }
 152                                         }
 153
 154                                         if ( *inItemName == 0 )
 155                                                 --inItemName ;
 156
 157                                 }
 158                                 break ;
 159                         default :
 160                                 *p++ = *inItemName ;
 161                 }
 162                 ++inItemName ;
 163         }
 164
 165         outMacItemText[0] = (p - (char *)outMacItemText) - 1;
 166         if ( outMacShortcutChar )
 167                 *outMacShortcutChar = macShortCut ;
 168         if ( outMacModifiers )
 169                 *outMacModifiers = macModifiers ;
 170
 171         return 0 ;
 172 }
 173
 174 // ctor & dtor
 175 // -----------
 176
 177 wxMenuItem::wxMenuItem(wxMenu *pParentMenu, int id,
 178                        const wxString& text, const wxString& strHelp,
 179                        bool bCheckable,
 180                        wxMenu *pSubMenu)
 181 {
 182     wxASSERT( pParentMenu != NULL );
 183
 184     m_parentMenu  = pParentMenu;
 185     m_subMenu     = pSubMenu;
 186     m_isEnabled   = TRUE;
 187     m_isChecked   = FALSE;
 188     m_id          = id;
 189     m_text        = text;
 190     m_isCheckable = bCheckable;
 191     m_help        = strHelp;
 192
 193
 194     if ( m_text ==  "E&xit"  ||m_text == "Exit" )
 195     {
 196         m_text = "Quit\tCtrl+Q" ;
 197     }
 198 }
 199
 200 wxMenuItem::~wxMenuItem()
 201 {
 202 }
 203
 204 bool wxMenuItem::IsChecked() const
 205 {
 206     return wxMenuItemBase::IsChecked() ;
 207 }
 208
 209 wxString wxMenuItem::GetLabel() const
 210 {
 211     return wxStripMenuCodes(m_text);
 212 }
 213
 214 // accelerators
 215 // ------------
 216
 217 #if wxUSE_ACCEL
 218
 219 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 220 {
 221     return wxGetAccelFromString(GetText());
 222 }
 223
 224 #endif // wxUSE_ACCEL
 225
 226 // misc
 227 // ----
 228
 229 /*
 230
 231 // delete the sub menu
 232 void wxMenuItem::DeleteSubMenu()
 233 {
 234   wxASSERT( m_subMenu != NULL );
 235
 236   delete m_subMenu;
 237   m_subMenu = NULL;
 238 }
 239
 240 */
 241
 242 // change item state
 243 // -----------------
 244
 245 void wxMenuItem::Enable(bool bDoEnable)
 246 {
 247   if ( m_isEnabled != bDoEnable ) {
 248     if ( m_subMenu == NULL )
 249     {
 250         // normal menu item
 251             if ( m_parentMenu->GetHMenu() )
 252             {
 253                         int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 254                         if ( index >= 1 )
 255                         {
 256                                 if ( bDoEnable )
 257                                         UMAEnableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 258                                 else
 259                                         UMADisableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 260                         }
 261             }
 262     }
 263     else
 264     {
 265                 // submenu
 266             if ( m_parentMenu->GetHMenu() )
 267             {
 268                         int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 269                         if ( index >= 1 )
 270                         {
 271                                 if ( bDoEnable )
 272                                         UMAEnableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 273                                 else
 274                                         UMADisableMenuItem( m_parentMenu->GetHMenu() , index ) ;
 275                         }
 276             }
 277     }
 278
 279     m_isEnabled = bDoEnable;
 280   }
 281 }
 282
 283 void wxMenuItem::Check(bool bDoCheck)
 284 {
 285   wxCHECK_RET( IsCheckable(), "only checkable items may be checked" );
 286
 287   if ( m_isChecked != bDoCheck )
 288   {
 289     m_isChecked = bDoCheck;
 290         if ( m_parentMenu->GetHMenu() )
 291     {
 292                 int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 293                 if ( index >= 1 )
 294                 {
 295                         if ( bDoCheck )
 296                                         ::SetItemMark( m_parentMenu->GetHMenu() , index , 0x12 ) ; // checkmark
 297                                 else
 298                                         ::SetItemMark( m_parentMenu->GetHMenu() , index , 0 ) ; // no mark
 299                 }
 300         }
 301   }
 302 }
 303
 304 void wxMenuItem::SetText(const wxString& text)
 305 {
 306     // don't do anything if label didn't change
 307     if ( m_text == text )
 308         return;
 309
 310     wxMenuItemBase::SetText(text);
 311 //    OWNER_DRAWN_ONLY( wxOwnerDrawn::SetName(text) );
 312
 313     wxCHECK_RET( m_parentMenu && m_parentMenu->GetHMenu(), wxT("menuitem without menu") );
 314         if ( m_parentMenu->GetHMenu() )
 315     {
 316                 int index = m_parentMenu->MacGetIndexFromItem( this ) ;
 317                 if ( index >= 1 )
 318                 {
 319                         Str255 label;
 320                         MacBuildMenuString( label , NULL , NULL , text ,false);
 321                         UMASetMenuItemText( m_parentMenu->GetHMenu() , index , label ) ; // checkmark
 322                 }
 323         }
 324
 325 #if wxUSE_ACCEL
 326     m_parentMenu->UpdateAccel(this);
 327 #endif // wxUSE_ACCEL
 328
 329 }
 330 void wxMenuItem::SetCheckable(bool checkable)
 331 {
 332     wxMenuItemBase::SetCheckable(checkable);
 333    // OWNER_DRAWN_ONLY( wxOwnerDrawn::SetCheckable(checkable) );
 334 }
 335
 336 // ----------------------------------------------------------------------------
 337 // wxMenuItemBase
 338 // ----------------------------------------------------------------------------
 339
 340 /* static */
 341 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 342 {
 343     return wxStripMenuCodes(text);
 344 }
 345
 346 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 347                                 int id,
 348                                 const wxString& name,
 349                                 const wxString& help,
 350                                 bool isCheckable,
 351                                 wxMenu *subMenu)
 352 {
 353     return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
 354 }