src/osx/cocoa/menuitem.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/menuitem.mm
   3 // Purpose:     wxMenuItem implementation
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: menuitem.cpp 54129 2008-06-11 19:30:52Z SC $
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/menuitem.h"
  15 #include "wx/stockitem.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/app.h"
  19     #include "wx/menu.h"
  20 #endif // WX_PRECOMP
  21
  22 #include "wx/osx/private.h"
  23
  24 @implementation wxNSMenuItem
  25
  26 - (id) init
  27 {
  28     [super init];
  29      return self;
  30 }
  31
  32 - (void) clickedAction: (id) sender
  33 {
  34     if ( impl )
  35     {
  36         impl->GetWXPeer()->GetMenu()->HandleCommandProcess(impl->GetWXPeer());
  37      }
  38 }
  39
  40 - (BOOL)validateMenuItem:(NSMenuItem *) menuItem
  41 {
  42     if( impl )
  43     {
  44         impl->GetWXPeer()->GetMenu()->HandleCommandUpdateStatus(impl->GetWXPeer());
  45         return impl->GetWXPeer()->IsEnabled();
  46     }
  47     return YES ;
  48 }
  49
  50 - (void)setImplementation: (wxMenuItemImpl *) theImplementation
  51 {
  52     impl = theImplementation;
  53 }
  54
  55 - (wxMenuItemImpl*) implementation
  56 {
  57     return impl;
  58 }
  59
  60 @end
  61
  62 void wxMacCocoaMenuItemSetAccelerator( NSMenuItem* menuItem, wxAcceleratorEntry* entry )
  63 {
  64     unsigned int modifiers = 0 ;
  65     int key = entry->GetKeyCode() ;
  66     if ( key )
  67     {
  68         if (entry->GetFlags() & wxACCEL_CTRL);
  69             modifiers |= NSCommandKeyMask;
  70
  71         if (entry->GetFlags() & wxACCEL_ALT)
  72             modifiers |= NSAlternateKeyMask ;
  73
  74         // this may be ignored later for alpha chars
  75
  76         if (entry->GetFlags() & wxACCEL_SHIFT)
  77             modifiers |= NSShiftKeyMask ;
  78
  79         unichar shortcut = 0;
  80         if ( key >= WXK_F1 && key <= WXK_F15 )
  81         {
  82             modifiers |= NSFunctionKeyMask ;
  83             shortcut = NSF1FunctionKey + ( key - WXK_F1 );
  84         }
  85         else
  86         {
  87             switch ( key )
  88             {
  89 /*
  90                 // standard function keys from here
  91                 case WXK_TAB :
  92                     modifiers |= NSFunctionKeyMask ;
  93                     shortcut = NSTabCharacter ;
  94                     break ;
  95
  96                 case kEnterCharCode :
  97                     modifiers |= NSFunctionKeyMask ;
  98                     cocoaKey = NSTabCharacter ;
  99                     break ;
 100
 101                 case WXK_RETURN :
 102                     modifiers |= NSFunctionKeyMask ;
 103                     cocoaKey = NSTabCharacter ;
 104                     break ;
 105
 106                 case WXK_ESCAPE :
 107                     modifiers |= NSFunctionKeyMask ;
 108                     cocoaKey = kEscapeCharCode ;
 109                     break ;
 110
 111                 case WXK_SPACE :
 112                     shortcut = ' ' ;
 113                     break ;
 114
 115
 116                 case WXK_CLEAR :
 117                     cocoaKey = kClearCharCode ;
 118                     break ;
 119
 120                 case WXK_PAGEUP :
 121                     cocoaKey = kPageUpCharCode ;
 122                     break ;
 123
 124                 case WXK_PAGEDOWN :
 125                     cocoaKey = kPageDownCharCode ;
 126                     break ;
 127
 128                 case WXK_LEFT :
 129                     cocoaKey = kLeftArrowCharCode ;
 130                     break ;
 131
 132                 case WXK_UP :
 133                     cocoaKey = kUpArrowCharCode ;
 134                     break ;
 135
 136                 case WXK_RIGHT :
 137                     cocoaKey = kRightArrowCharCode ;
 138                     break ;
 139
 140                 case WXK_DOWN :
 141                     cocoaKey = kDownArrowCharCode ;
 142                     break ;
 143
 144                 case WXK_HOME :
 145                     cocoaKey = kHomeCharCode ;
 146                     break ;
 147
 148                 case WXK_END :
 149                     cocoaKey = kEndCharCode ;
 150                     break ;
 151 */
 152                 // TODO Test all above with their function key equiv.
 153                 // from NSEvent.h
 154                 default :
 155                     if(entry->GetFlags() & wxACCEL_SHIFT)
 156                         shortcut = toupper(key);
 157                     else
 158                         shortcut = tolower(key);
 159                     break ;
 160             }
 161         }
 162
 163         [menuItem setKeyEquivalent:[NSString stringWithCharacters:&shortcut length:1]];
 164         [menuItem setKeyEquivalentModifierMask:modifiers];
 165     }
 166 }
 167
 168 class wxMenuItemCocoaImpl : public wxMenuItemImpl
 169 {
 170 public :
 171     wxMenuItemCocoaImpl( wxMenuItem* peer, NSMenuItem* item ) : wxMenuItemImpl(peer), m_osxMenuItem(item)
 172     {
 173         if ( ![m_osxMenuItem isSeparatorItem] )
 174             [(wxNSMenuItem*)m_osxMenuItem setImplementation:this];
 175     }
 176
 177     ~wxMenuItemCocoaImpl();
 178
 179     void SetBitmap( const wxBitmap& bitmap )
 180     {
 181         [m_osxMenuItem setImage:bitmap.GetNSImage()];
 182     }
 183
 184     void Enable( bool enable )
 185     {
 186         [m_osxMenuItem setEnabled:enable];
 187     }
 188
 189     void Check( bool check )
 190     {
 191         [m_osxMenuItem setState:( check ?  NSOnState :  NSOffState) ];
 192     }
 193
 194     void Hide( bool hide )
 195     {
 196         [m_osxMenuItem setHidden:hide ];
 197     }
 198
 199     void SetLabel( const wxString& text, wxAcceleratorEntry *entry )
 200     {
 201         wxCFStringRef cfText(text);
 202         [m_osxMenuItem setTitle:cfText.AsNSString()];
 203
 204         if ( entry )
 205             wxMacCocoaMenuItemSetAccelerator( m_osxMenuItem, entry );
 206
 207     }
 208
 209     void * GetHMenuItem() { return m_osxMenuItem; }
 210
 211 protected :
 212     NSMenuItem* m_osxMenuItem ;
 213 } ;
 214
 215 wxMenuItemCocoaImpl::~wxMenuItemCocoaImpl()
 216 {
 217     if ( ![m_osxMenuItem isSeparatorItem] )
 218         [(wxNSMenuItem*)m_osxMenuItem setImplementation:nil];
 219 }
 220
 221
 222 wxMenuItemImpl* wxMenuItemImpl::Create( wxMenuItem* peer, wxMenu *pParentMenu,
 223                        int id,
 224                        const wxString& text,
 225                        wxAcceleratorEntry *entry,
 226                        const wxString& strHelp,
 227                        wxItemKind kind,
 228                        wxMenu *pSubMenu )
 229 {
 230     wxMenuItemImpl* c = NULL;
 231     NSMenuItem* item = nil;
 232
 233     if ( kind == wxITEM_SEPARATOR )
 234     {
 235         item = [[NSMenuItem separatorItem] retain];
 236     }
 237     else
 238     {
 239         wxCFStringRef cfText(text);
 240         wxNSMenuItem* temp = [ [ wxNSMenuItem alloc ] init ];
 241         if ( ! pParentMenu->GetNoEventsMode() )
 242         {
 243             [temp setTarget: temp];
 244             [temp setAction: @selector(clickedAction:)];
 245         }
 246         [temp setTitle:cfText.AsNSString()];
 247         if ( pSubMenu )
 248         {
 249             pSubMenu->GetPeer()->SetTitle( text );
 250             [temp setSubmenu:pSubMenu->GetHMenu()];
 251         }
 252         else
 253         {
 254             if ( entry )
 255                 wxMacCocoaMenuItemSetAccelerator( temp, entry );
 256         }
 257         item = temp;
 258     }
 259     c = new wxMenuItemCocoaImpl( peer, item );
 260     return c;
 261 }