src/osx/carbon/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/menu.cpp
   3 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
   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 // wxWidgets headers
  17 // -----------------
  18
  19 #include "wx/wxprec.h"
  20
  21 #include "wx/menu.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/log.h"
  25     #include "wx/app.h"
  26     #include "wx/utils.h"
  27     #include "wx/frame.h"
  28     #include "wx/menuitem.h"
  29 #endif
  30
  31 #include "wx/osx/private.h"
  32 #include "wx/stockitem.h"
  33
  34 // other standard headers
  35 // ----------------------
  36 #include <string.h>
  37
  38 // under carbon there's no such thing as a MenuItemRef, everything is done
  39 // on the 'parent' menu via index APIs (first line having index 1 !)
  40 // so to make things still work, we store the wxMenuItemImpl instance as a
  41 // RefCon at the respective menu line
  42
  43 class wxMenuItemCarbonImpl : public wxMenuItemImpl
  44 {
  45 public :
  46     wxMenuItemCarbonImpl( wxMenuItem* peer ) : wxMenuItemImpl(peer)
  47     {
  48         // the parent menu ref is only set, once the item has been attached
  49         m_parentMenuRef = NULL;
  50     }
  51
  52     ~wxMenuItemCarbonImpl();
  53
  54     void SetBitmap( const wxBitmap& bitmap )
  55     {
  56         MenuItemIndex i = FindMenuItemIndex() ;
  57         if ( i > 0 )
  58         {
  59             if ( bitmap.Ok() )
  60             {
  61 #if wxUSE_BMPBUTTON
  62                 ControlButtonContentInfo info ;
  63                 wxMacCreateBitmapButton( &info , bitmap ) ;
  64                 if ( info.contentType != kControlNoContent )
  65                 {
  66                     if ( info.contentType == kControlContentIconRef )
  67                         SetMenuItemIconHandle( m_parentMenuRef, i ,
  68                             kMenuIconRefType , (Handle) info.u.iconRef ) ;
  69                     else if ( info.contentType == kControlContentCGImageRef )
  70                        SetMenuItemIconHandle( m_parentMenuRef, i ,
  71                             kMenuCGImageRefType , (Handle) info.u.imageRef ) ;
  72                 }
  73                 wxMacReleaseBitmapButton( &info ) ;
  74 #endif
  75             }
  76         }
  77     }
  78
  79     void Enable( bool enable )
  80     {
  81         MenuItemIndex i = FindMenuItemIndex() ;
  82         if ( i > 0 )
  83         {
  84
  85             if ( GetWXPeer()->GetId() == wxApp::s_macPreferencesMenuItemId)
  86             {
  87                 if ( enable )
  88                     EnableMenuCommand( NULL , kHICommandPreferences ) ;
  89                 else
  90                     DisableMenuCommand( NULL , kHICommandPreferences ) ;
  91             }
  92             else if ( GetWXPeer()->GetId() == wxApp::s_macExitMenuItemId)
  93             {
  94                 if ( enable )
  95                     EnableMenuCommand( NULL , kHICommandQuit ) ;
  96                 else
  97                     DisableMenuCommand( NULL , kHICommandQuit ) ;
  98             }
  99
 100             if ( enable )
 101                 EnableMenuItem(m_parentMenuRef , i);
 102             else
 103                 DisableMenuItem(m_parentMenuRef , i);
 104
 105             if ( GetWXPeer()->IsSubMenu() )
 106             {
 107                 UMAEnableMenuItem( GetWXPeer()->GetSubMenu()->GetHMenu() , 0 , enable ) ;
 108             }
 109         }
 110     }
 111
 112     void Check( bool check )
 113     {
 114         MenuItemIndex i = FindMenuItemIndex() ;
 115         if ( i > 0 )
 116         {
 117             if ( check )
 118                 ::SetItemMark( m_parentMenuRef, i, 0x12 ) ; // checkmark
 119             else
 120                 ::SetItemMark( m_parentMenuRef, i, 0 ) ; // no mark
 121         }
 122     }
 123
 124     void Hide( bool hide )
 125     {
 126         MenuItemIndex i = FindMenuItemIndex() ;
 127         if ( i > 0 )
 128         {
 129             if ( hide )
 130                 ChangeMenuItemAttributes( m_parentMenuRef, i, kMenuItemAttrHidden, 0 );
 131             else
 132                 ChangeMenuItemAttributes( m_parentMenuRef, i, 0 , kMenuItemAttrHidden );
 133         }
 134     }
 135
 136     void SetLabel( const wxString& text, wxAcceleratorEntry *entry )
 137     {
 138         MenuItemIndex i = FindMenuItemIndex() ;
 139         if ( i > 0 )
 140         {
 141             SetMenuItemTextWithCFString( m_parentMenuRef, i, wxCFStringRef(text));
 142             UMASetMenuItemShortcut( m_parentMenuRef, i , entry ) ;
 143          }
 144     }
 145
 146     void * GetHMenuItem() { return NULL; }
 147
 148     // Carbon Only
 149
 150     void AttachToParent( MenuRef parentMenuRef, MenuItemIndex index )
 151     {
 152         m_parentMenuRef = parentMenuRef;
 153         if ( m_parentMenuRef && index > 0 )
 154             SetMenuItemRefCon( m_parentMenuRef, index, (URefCon) this );
 155     }
 156
 157     MenuItemIndex FindMenuItemIndex()
 158     {
 159         MenuItemIndex hit = 0 ;
 160         if ( m_parentMenuRef )
 161         {
 162             for ( MenuItemIndex i = 1 ; i <= CountMenuItems(m_parentMenuRef) ; ++i )
 163             {
 164                 URefCon storedRef = 0;
 165                 GetMenuItemRefCon(m_parentMenuRef, i, &storedRef );
 166                 if ( storedRef == (URefCon) this )
 167                 {
 168                     hit = i;
 169                     break;
 170                 }
 171             }
 172         }
 173         return hit;
 174     }
 175 protected :
 176     MenuRef m_parentMenuRef;
 177 } ;
 178
 179 //
 180 // wxMenuImpl
 181 //
 182
 183 class wxMenuCarbonImpl : public wxMenuImpl
 184 {
 185 public :
 186     wxMenuCarbonImpl( wxMenu* peer , MenuRef menu) : wxMenuImpl(peer), m_osxMenu(menu)
 187     {
 188     }
 189
 190     virtual ~wxMenuCarbonImpl();
 191
 192     virtual void InsertOrAppend(wxMenuItem *pItem, size_t pos)
 193     {
 194         // MacOS counts menu items from 1 and inserts after, therefore having the
 195         // same effect as wx 0 based and inserting before, we must correct pos
 196         // after however for updates to be correct
 197
 198         MenuItemIndex index = pos;
 199         if ( pos == (size_t) -1 )
 200             index = CountMenuItems(m_osxMenu);
 201
 202         if ( pItem->IsSeparator() )
 203         {
 204             InsertMenuItemTextWithCFString( m_osxMenu, CFSTR(""), index, kMenuItemAttrSeparator, 0);
 205             // now switch to the Carbon 1 based counting
 206             index += 1 ;
 207         }
 208         else
 209         {
 210             InsertMenuItemTextWithCFString( m_osxMenu, CFSTR("placeholder"), index, 0, 0 );
 211
 212             // now switch to the Carbon 1 based counting
 213             index += 1 ;
 214             if ( pItem->IsSubMenu() )
 215             {
 216                 MenuRef submenu = pItem->GetSubMenu()->GetHMenu();
 217                 SetMenuItemHierarchicalMenu(m_osxMenu, index, submenu);
 218                 // carbon is using the title of the submenu, eg in the menubar
 219                 SetMenuTitleWithCFString(submenu, wxCFStringRef(pItem->GetItemLabelText()));
 220             }
 221             else
 222             {
 223                 SetMenuItemCommandID( m_osxMenu, index , wxIdToMacCommand(pItem->GetId()) ) ;
 224             }
 225         }
 226
 227         wxMenuItemCarbonImpl* impl = (wxMenuItemCarbonImpl*) pItem->GetPeer();
 228         impl->AttachToParent( m_osxMenu, index );
 229         // only now can all settings be updated correctly
 230         pItem->UpdateItemText();
 231         pItem->UpdateItemStatus();
 232         pItem->UpdateItemBitmap();
 233     }
 234
 235     virtual void Remove( wxMenuItem *pItem )
 236     {
 237         wxMenuItemCarbonImpl* impl = (wxMenuItemCarbonImpl*) pItem->GetPeer();
 238         if ( impl )
 239         {
 240             MenuItemIndex i = impl->FindMenuItemIndex();
 241             if ( i > 0 )
 242             {
 243                 DeleteMenuItem(m_osxMenu , i);
 244                 impl->AttachToParent( NULL, 0 );
 245             }
 246         }
 247     }
 248
 249     virtual void MakeRoot()
 250     {
 251         SetRootMenu( m_osxMenu );
 252     }
 253
 254     virtual void SetTitle( const wxString& text )
 255     {
 256         SetMenuTitleWithCFString(m_osxMenu, wxCFStringRef(text));
 257     }
 258
 259     WXHMENU GetHMenu() { return m_osxMenu; }
 260
 261     virtual void PopUp( wxWindow *WXUNUSED(win), int x, int y )
 262     {
 263         long menuResult = ::PopUpMenuSelect(m_osxMenu, y, x, 0) ;
 264         if ( HiWord(menuResult) != 0 )
 265         {
 266             MenuCommand macid;
 267             GetMenuItemCommandID( GetMenuHandle(HiWord(menuResult)) , LoWord(menuResult) , &macid );
 268             int id = wxMacCommandToId( macid );
 269             wxMenuItem* item = NULL ;
 270             wxMenu* realmenu ;
 271             item = m_peer->FindItem( id, &realmenu ) ;
 272             if ( item )
 273             {
 274                 m_peer->HandleCommandProcess(item, NULL );
 275             }
 276         }
 277     }
 278
 279     static wxMenuImpl* Create( wxMenu* peer, const wxString& title );
 280     static wxMenuImpl* CreateRootMenu( wxMenu* peer );
 281 protected :
 282     wxCFRef<MenuRef> m_osxMenu;
 283 } ;
 284
 285 // static const short kwxMacAppleMenuId = 1 ;
 286
 287 // Find an item given the Macintosh Menu Reference
 288
 289 WX_DECLARE_HASH_MAP(WXHMENU, wxMenu*, wxPointerHash, wxPointerEqual, MacMenuMap);
 290
 291 static MacMenuMap wxWinMacMenuList;
 292
 293 wxMenu *wxFindMenuFromMacMenu(WXHMENU inMenuRef)
 294 {
 295     MacMenuMap::iterator node = wxWinMacMenuList.find(inMenuRef);
 296
 297     return (node == wxWinMacMenuList.end()) ? NULL : node->second;
 298 }
 299
 300 void wxAssociateMenuWithMacMenu(WXHMENU inMenuRef, wxMenu *menu) ;
 301 void wxAssociateMenuWithMacMenu(WXHMENU inMenuRef, wxMenu *menu)
 302 {
 303     // adding NULL MenuRef is (first) surely a result of an error and
 304     // (secondly) breaks menu command processing
 305     wxCHECK_RET( inMenuRef != (WXHMENU) NULL, wxT("attempt to add a NULL MenuRef to menu list") );
 306
 307     wxWinMacMenuList[inMenuRef] = menu;
 308 }
 309
 310 void wxRemoveMacMenuAssociation(wxMenu *menu) ;
 311 void wxRemoveMacMenuAssociation(wxMenu *menu)
 312 {
 313    // iterate over all the elements in the class
 314     MacMenuMap::iterator it;
 315     for ( it = wxWinMacMenuList.begin(); it != wxWinMacMenuList.end(); ++it )
 316     {
 317         if ( it->second == menu )
 318         {
 319             wxWinMacMenuList.erase(it);
 320             break;
 321         }
 322     }
 323 }
 324
 325 wxMenuCarbonImpl::~wxMenuCarbonImpl()
 326 {
 327     wxRemoveMacMenuAssociation( GetWXPeer() );
 328 }
 329
 330 wxMenuImpl* wxMenuImpl::Create( wxMenu* peer, const wxString& title )
 331 {
 332     // create the menu
 333     static SInt16 s_macNextMenuId = 3;
 334     WXHMENU menu = NULL;
 335     CreateNewMenu( s_macNextMenuId++ , 0 , &menu ) ;
 336     if ( !menu )
 337     {
 338         wxLogLastError(wxT("CreateNewMenu failed"));
 339         return NULL;
 340     }
 341
 342     wxMenuImpl* c = new wxMenuCarbonImpl( peer, menu );
 343     c->SetTitle(title);
 344     wxAssociateMenuWithMacMenu( menu , peer ) ;
 345     return c;
 346 }
 347
 348 //
 349 //
 350 //
 351
 352 wxMenuItemCarbonImpl::~wxMenuItemCarbonImpl()
 353 {
 354 }
 355
 356
 357 wxMenuItemImpl* wxMenuItemImpl::Create( wxMenuItem* peer,
 358                         wxMenu * WXUNUSED(pParentMenu),
 359                        int WXUNUSED(id),
 360                        const wxString& WXUNUSED(text),
 361                        wxAcceleratorEntry *WXUNUSED(entry),
 362                        const wxString& WXUNUSED(strHelp),
 363                        wxItemKind WXUNUSED(kind),
 364                        wxMenu *WXUNUSED(pSubMenu) )
 365 {
 366     wxMenuItemImpl* c = NULL;
 367
 368     c = new wxMenuItemCarbonImpl( peer );
 369     return c;
 370 }
 371
 372 void wxInsertMenuItemsInMenu(wxMenu* menu, MenuRef wm, MenuItemIndex insertAfter)
 373 {
 374     wxMenuItemList::compatibility_iterator node;
 375     wxMenuItem *item;
 376     wxMenu *subMenu = NULL ;
 377     bool newItems = false;
 378
 379     for (node = menu->GetMenuItems().GetFirst(); node; node = node->GetNext())
 380     {
 381         item = (wxMenuItem *)node->GetData();
 382         subMenu = item->GetSubMenu() ;
 383         if (subMenu)
 384         {
 385             wxInsertMenuItemsInMenu(subMenu, (MenuRef)subMenu->GetHMenu(), 0);
 386         }
 387         if ( item->IsSeparator() )
 388         {
 389             if ( wm && newItems)
 390                 InsertMenuItemTextWithCFString( wm,
 391                     CFSTR(""), insertAfter, kMenuItemAttrSeparator, 0);
 392
 393             newItems = false;
 394         }
 395         else
 396         {
 397             wxAcceleratorEntry*
 398                 entry = wxAcceleratorEntry::Create( item->GetItemLabel() ) ;
 399
 400             MenuItemIndex winListPos = (MenuItemIndex)-1;
 401             OSStatus err = GetIndMenuItemWithCommandID(wm,
 402                         wxIdToMacCommand ( item->GetId() ), 1, NULL, &winListPos);
 403
 404             if ( wm && err == menuItemNotFoundErr )
 405             {
 406                 // NB: the only way to determine whether or not we should add
 407                 // a separator is to know if we've added menu items to the menu
 408                 // before the separator.
 409                 newItems = true;
 410                 UMAInsertMenuItem(wm, wxStripMenuCodes(item->GetItemLabel()) , wxFont::GetDefaultEncoding(), insertAfter, entry);
 411                 SetMenuItemCommandID( wm , insertAfter+1 , wxIdToMacCommand ( item->GetId() ) ) ;
 412                 SetMenuItemRefCon( wm , insertAfter+1 , (URefCon) item ) ;
 413             }
 414
 415             delete entry ;
 416         }
 417     }
 418 }
 419
 420