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     wxUnusedVar(sender);
  36     if ( impl )
  37     {
  38         impl->GetWXPeer()->GetMenu()->HandleCommandProcess(impl->GetWXPeer());
  39      }
  40 }
  41
  42 - (BOOL)validateMenuItem:(NSMenuItem *) menuItem
  43 {
  44     wxUnusedVar(menuItem);
  45     if( impl )
  46     {
  47         impl->GetWXPeer()->GetMenu()->HandleCommandUpdateStatus(impl->GetWXPeer());
  48         return impl->GetWXPeer()->IsEnabled();
  49     }
  50     return YES ;
  51 }
  52
  53 - (void)setImplementation: (wxMenuItemImpl *) theImplementation
  54 {
  55     impl = theImplementation;
  56 }
  57
  58 - (wxMenuItemImpl*) implementation
  59 {
  60     return impl;
  61 }
  62
  63 @end
  64
  65 void wxMacCocoaMenuItemSetAccelerator( NSMenuItem* menuItem, wxAcceleratorEntry* entry )
  66 {
  67     unsigned int modifiers = 0 ;
  68     int key = entry->GetKeyCode() ;
  69     if ( key )
  70     {
  71         if (entry->GetFlags() & wxACCEL_CTRL)
  72             modifiers |= NSCommandKeyMask;
  73
  74         if (entry->GetFlags() & wxACCEL_ALT)
  75             modifiers |= NSAlternateKeyMask ;
  76
  77         // this may be ignored later for alpha chars
  78
  79         if (entry->GetFlags() & wxACCEL_SHIFT)
  80             modifiers |= NSShiftKeyMask ;
  81
  82         unichar shortcut = 0;
  83         if ( key >= WXK_F1 && key <= WXK_F15 )
  84         {
  85             modifiers |= NSFunctionKeyMask ;
  86             shortcut = NSF1FunctionKey + ( key - WXK_F1 );
  87         }
  88         else
  89         {
  90             switch ( key )
  91             {
  92 /*
  93                 // standard function keys from here
  94                 case WXK_TAB :
  95                     modifiers |= NSFunctionKeyMask ;
  96                     shortcut = NSTabCharacter ;
  97                     break ;
  98
  99                 case kEnterCharCode :
 100                     modifiers |= NSFunctionKeyMask ;
 101                     cocoaKey = NSTabCharacter ;
 102                     break ;
 103
 104                 case WXK_RETURN :
 105                     modifiers |= NSFunctionKeyMask ;
 106                     cocoaKey = NSTabCharacter ;
 107                     break ;
 108
 109                 case WXK_ESCAPE :
 110                     modifiers |= NSFunctionKeyMask ;
 111                     cocoaKey = kEscapeCharCode ;
 112                     break ;
 113
 114                 case WXK_SPACE :
 115                     shortcut = ' ' ;
 116                     break ;
 117
 118
 119                 case WXK_CLEAR :
 120                     cocoaKey = kClearCharCode ;
 121                     break ;
 122
 123                 case WXK_PAGEUP :
 124                     cocoaKey = kPageUpCharCode ;
 125                     break ;
 126
 127                 case WXK_PAGEDOWN :
 128                     cocoaKey = kPageDownCharCode ;
 129                     break ;
 130
 131                 case WXK_LEFT :
 132                     cocoaKey = kLeftArrowCharCode ;
 133                     break ;
 134
 135                 case WXK_UP :
 136                     cocoaKey = kUpArrowCharCode ;
 137                     break ;
 138
 139                 case WXK_RIGHT :
 140                     cocoaKey = kRightArrowCharCode ;
 141                     break ;
 142
 143                 case WXK_DOWN :
 144                     cocoaKey = kDownArrowCharCode ;
 145                     break ;
 146
 147                 case WXK_HOME :
 148                     cocoaKey = kHomeCharCode ;
 149                     break ;
 150
 151                 case WXK_END :
 152                     cocoaKey = kEndCharCode ;
 153                     break ;
 154 */
 155                 // TODO Test all above with their function key equiv.
 156                 // from NSEvent.h
 157                 default :
 158                     if(entry->GetFlags() & wxACCEL_SHIFT)
 159                         shortcut = toupper(key);
 160                     else
 161                         shortcut = tolower(key);
 162                     break ;
 163             }
 164         }
 165
 166         [menuItem setKeyEquivalent:[NSString stringWithCharacters:&shortcut length:1]];
 167         [menuItem setKeyEquivalentModifierMask:modifiers];
 168     }
 169 }
 170
 171 class wxMenuItemCocoaImpl : public wxMenuItemImpl
 172 {
 173 public :
 174     wxMenuItemCocoaImpl( wxMenuItem* peer, NSMenuItem* item ) : wxMenuItemImpl(peer), m_osxMenuItem(item)
 175     {
 176         if ( ![m_osxMenuItem isSeparatorItem] )
 177             [(wxNSMenuItem*)m_osxMenuItem setImplementation:this];
 178     }
 179
 180     ~wxMenuItemCocoaImpl();
 181
 182     void SetBitmap( const wxBitmap& bitmap )
 183     {
 184         [m_osxMenuItem setImage:bitmap.GetNSImage()];
 185     }
 186
 187     void Enable( bool enable )
 188     {
 189         [m_osxMenuItem setEnabled:enable];
 190     }
 191
 192     void Check( bool check )
 193     {
 194         [m_osxMenuItem setState:( check ?  NSOnState :  NSOffState) ];
 195     }
 196
 197     void Hide( bool hide )
 198     {
 199         // NB: setHidden is new as of 10.5 so we should not call it below there
 200         if ([m_osxMenuItem respondsToSelector:@selector(setHidden:)])
 201             [m_osxMenuItem setHidden:hide ];
 202         else
 203             wxLogDebug("wxMenuItemCocoaImpl::Hide not yet supported under OS X < 10.5");
 204     }
 205
 206     void SetLabel( const wxString& text, wxAcceleratorEntry *entry )
 207     {
 208         wxCFStringRef cfText(text);
 209         [m_osxMenuItem setTitle:cfText.AsNSString()];
 210
 211         if ( entry )
 212             wxMacCocoaMenuItemSetAccelerator( m_osxMenuItem, entry );
 213
 214     }
 215
 216     void * GetHMenuItem() { return m_osxMenuItem; }
 217
 218 protected :
 219     NSMenuItem* m_osxMenuItem ;
 220 } ;
 221
 222 wxMenuItemCocoaImpl::~wxMenuItemCocoaImpl()
 223 {
 224     if ( ![m_osxMenuItem isSeparatorItem] )
 225         [(wxNSMenuItem*)m_osxMenuItem setImplementation:nil];
 226     [m_osxMenuItem release];
 227 }
 228
 229
 230 wxMenuItemImpl* wxMenuItemImpl::Create( wxMenuItem* peer, wxMenu *pParentMenu,
 231                        int WXUNUSED(id),
 232                        const wxString& text,
 233                        wxAcceleratorEntry *entry,
 234                        const wxString& WXUNUSED(strHelp),
 235                        wxItemKind kind,
 236                        wxMenu *pSubMenu )
 237 {
 238     wxMenuItemImpl* c = NULL;
 239     NSMenuItem* item = nil;
 240
 241     if ( kind == wxITEM_SEPARATOR )
 242     {
 243         item = [[NSMenuItem separatorItem] retain];
 244     }
 245     else
 246     {
 247         wxCFStringRef cfText(text);
 248         wxNSMenuItem* temp = [ [ wxNSMenuItem alloc ] init ];
 249         if ( ! pParentMenu->GetNoEventsMode() )
 250         {
 251             [temp setTarget: temp];
 252             [temp setAction: @selector(clickedAction:)];
 253         }
 254         [temp setTitle:cfText.AsNSString()];
 255         if ( pSubMenu )
 256         {
 257             pSubMenu->GetPeer()->SetTitle( text );
 258             [temp setSubmenu:pSubMenu->GetHMenu()];
 259         }
 260         else
 261         {
 262             if ( entry )
 263                 wxMacCocoaMenuItemSetAccelerator( temp, entry );
 264         }
 265         item = temp;
 266     }
 267     c = new wxMenuItemCocoaImpl( peer, item );
 268     return c;
 269 }