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/log.h"
  20     #include "wx/menu.h"
  21 #endif // WX_PRECOMP
  22
  23 #include "wx/osx/private.h"
  24
  25 @implementation wxNSMenuItem
  26
  27 - (id) init
  28 {
  29     [super init];
  30      return self;
  31 }
  32
  33 - (void) clickedAction: (id) sender
  34 {
  35     if ( impl )
  36     {
  37         impl->GetWXPeer()->GetMenu()->HandleCommandProcess(impl->GetWXPeer());
  38      }
  39 }
  40
  41 - (BOOL)validateMenuItem:(NSMenuItem *) menuItem
  42 {
  43     if( impl )
  44     {
  45         impl->GetWXPeer()->GetMenu()->HandleCommandUpdateStatus(impl->GetWXPeer());
  46         return impl->GetWXPeer()->IsEnabled();
  47     }
  48     return YES ;
  49 }
  50
  51 - (void)setImplementation: (wxMenuItemImpl *) theImplementation
  52 {
  53     impl = theImplementation;
  54 }
  55
  56 - (wxMenuItemImpl*) implementation
  57 {
  58     return impl;
  59 }
  60
  61 @end
  62
  63 void wxMacCocoaMenuItemSetAccelerator( NSMenuItem* menuItem, wxAcceleratorEntry* entry )
  64 {
  65     unsigned int modifiers = 0 ;
  66     int key = entry->GetKeyCode() ;
  67     if ( key )
  68     {
  69         if (entry->GetFlags() & wxACCEL_CTRL);
  70             modifiers |= NSCommandKeyMask;
  71
  72         if (entry->GetFlags() & wxACCEL_ALT)
  73             modifiers |= NSAlternateKeyMask ;
  74
  75         // this may be ignored later for alpha chars
  76
  77         if (entry->GetFlags() & wxACCEL_SHIFT)
  78             modifiers |= NSShiftKeyMask ;
  79
  80         unichar shortcut = 0;
  81         if ( key >= WXK_F1 && key <= WXK_F15 )
  82         {
  83             modifiers |= NSFunctionKeyMask ;
  84             shortcut = NSF1FunctionKey + ( key - WXK_F1 );
  85         }
  86         else
  87         {
  88             switch ( key )
  89             {
  90 /*
  91                 // standard function keys from here
  92                 case WXK_TAB :
  93                     modifiers |= NSFunctionKeyMask ;
  94                     shortcut = NSTabCharacter ;
  95                     break ;
  96
  97                 case kEnterCharCode :
  98                     modifiers |= NSFunctionKeyMask ;
  99                     cocoaKey = NSTabCharacter ;
 100                     break ;
 101
 102                 case WXK_RETURN :
 103                     modifiers |= NSFunctionKeyMask ;
 104                     cocoaKey = NSTabCharacter ;
 105                     break ;
 106
 107                 case WXK_ESCAPE :
 108                     modifiers |= NSFunctionKeyMask ;
 109                     cocoaKey = kEscapeCharCode ;
 110                     break ;
 111
 112                 case WXK_SPACE :
 113                     shortcut = ' ' ;
 114                     break ;
 115
 116
 117                 case WXK_CLEAR :
 118                     cocoaKey = kClearCharCode ;
 119                     break ;
 120
 121                 case WXK_PAGEUP :
 122                     cocoaKey = kPageUpCharCode ;
 123                     break ;
 124
 125                 case WXK_PAGEDOWN :
 126                     cocoaKey = kPageDownCharCode ;
 127                     break ;
 128
 129                 case WXK_LEFT :
 130                     cocoaKey = kLeftArrowCharCode ;
 131                     break ;
 132
 133                 case WXK_UP :
 134                     cocoaKey = kUpArrowCharCode ;
 135                     break ;
 136
 137                 case WXK_RIGHT :
 138                     cocoaKey = kRightArrowCharCode ;
 139                     break ;
 140
 141                 case WXK_DOWN :
 142                     cocoaKey = kDownArrowCharCode ;
 143                     break ;
 144
 145                 case WXK_HOME :
 146                     cocoaKey = kHomeCharCode ;
 147                     break ;
 148
 149                 case WXK_END :
 150                     cocoaKey = kEndCharCode ;
 151                     break ;
 152 */
 153                 // TODO Test all above with their function key equiv.
 154                 // from NSEvent.h
 155                 default :
 156                     if(entry->GetFlags() & wxACCEL_SHIFT)
 157                         shortcut = toupper(key);
 158                     else
 159                         shortcut = tolower(key);
 160                     break ;
 161             }
 162         }
 163
 164         [menuItem setKeyEquivalent:[NSString stringWithCharacters:&shortcut length:1]];
 165         [menuItem setKeyEquivalentModifierMask:modifiers];
 166     }
 167 }
 168
 169 class wxMenuItemCocoaImpl : public wxMenuItemImpl
 170 {
 171 public :
 172     wxMenuItemCocoaImpl( wxMenuItem* peer, NSMenuItem* item ) : wxMenuItemImpl(peer), m_osxMenuItem(item)
 173     {
 174         if ( ![m_osxMenuItem isSeparatorItem] )
 175             [(wxNSMenuItem*)m_osxMenuItem setImplementation:this];
 176     }
 177
 178     ~wxMenuItemCocoaImpl();
 179
 180     void SetBitmap( const wxBitmap& bitmap )
 181     {
 182         [m_osxMenuItem setImage:bitmap.GetNSImage()];
 183     }
 184
 185     void Enable( bool enable )
 186     {
 187         [m_osxMenuItem setEnabled:enable];
 188     }
 189
 190     void Check( bool check )
 191     {
 192         [m_osxMenuItem setState:( check ?  NSOnState :  NSOffState) ];
 193     }
 194
 195     void Hide( bool hide )
 196     {
 197         // NB: setHidden is new as of 10.5 so we should not call it below there
 198         if ([m_osxMenuItem respondsToSelector:@selector(setHidden:)])
 199             [m_osxMenuItem setHidden:hide ];
 200         else
 201             wxLogDebug("wxMenuItemCocoaImpl::Hide not yet supported under OS X < 10.5");
 202     }
 203
 204     void SetLabel( const wxString& text, wxAcceleratorEntry *entry )
 205     {
 206         wxCFStringRef cfText(text);
 207         [m_osxMenuItem setTitle:cfText.AsNSString()];
 208
 209         if ( entry )
 210             wxMacCocoaMenuItemSetAccelerator( m_osxMenuItem, entry );
 211
 212     }
 213
 214     void * GetHMenuItem() { return m_osxMenuItem; }
 215
 216 protected :
 217     NSMenuItem* m_osxMenuItem ;
 218 } ;
 219
 220 wxMenuItemCocoaImpl::~wxMenuItemCocoaImpl()
 221 {
 222     if ( ![m_osxMenuItem isSeparatorItem] )
 223         [(wxNSMenuItem*)m_osxMenuItem setImplementation:nil];
 224 }
 225
 226
 227 wxMenuItemImpl* wxMenuItemImpl::Create( wxMenuItem* peer, wxMenu *pParentMenu,
 228                        int id,
 229                        const wxString& text,
 230                        wxAcceleratorEntry *entry,
 231                        const wxString& strHelp,
 232                        wxItemKind kind,
 233                        wxMenu *pSubMenu )
 234 {
 235     wxMenuItemImpl* c = NULL;
 236     NSMenuItem* item = nil;
 237
 238     if ( kind == wxITEM_SEPARATOR )
 239     {
 240         item = [[NSMenuItem separatorItem] retain];
 241     }
 242     else
 243     {
 244         wxCFStringRef cfText(text);
 245         wxNSMenuItem* temp = [ [ wxNSMenuItem alloc ] init ];
 246         if ( ! pParentMenu->GetNoEventsMode() )
 247         {
 248             [temp setTarget: temp];
 249             [temp setAction: @selector(clickedAction:)];
 250         }
 251         [temp setTitle:cfText.AsNSString()];
 252         if ( pSubMenu )
 253         {
 254             pSubMenu->GetPeer()->SetTitle( text );
 255             [temp setSubmenu:pSubMenu->GetHMenu()];
 256         }
 257         else
 258         {
 259             if ( entry )
 260                 wxMacCocoaMenuItemSetAccelerator( temp, entry );
 261         }
 262         item = temp;
 263     }
 264     c = new wxMenuItemCocoaImpl( peer, item );
 265     return c;
 266 }