src/osx/cocoa/menu.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/cocoa/menu.mm
   3 // Purpose:     wxMenu, wxMenuBar, wxMenuItem
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: menu.cpp 54129 2008-06-11 19:30:52Z SC $
   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
  33 // other standard headers
  34 // ----------------------
  35 #include <string.h>
  36
  37 @class wxNSMenuItem;
  38
  39 @interface wxNSMenu : NSMenu
  40 {
  41    wxMenuImpl* impl;
  42 }
  43
  44 - (void) setImplementation:(wxMenuImpl*) item;
  45 - (wxMenuImpl*) implementation;
  46
  47 @end
  48
  49 @implementation wxNSMenu
  50
  51 - (id) init
  52 {
  53     [super init];
  54     return self;
  55 }
  56
  57 - (void)setImplementation: (wxMenuImpl *) theImplementation
  58 {
  59     impl = theImplementation;
  60 }
  61
  62 - (wxMenuImpl*) implementation
  63 {
  64     return impl;
  65 }
  66
  67 @end
  68
  69 @interface wxNSMenuController : NSObject
  70 {
  71 }
  72
  73 - (void)menuWillOpen:(NSMenu *)menu;
  74 - (void)menuDidClose:(NSMenu *)menu;
  75 - (void)menu:(NSMenu *)menu willHighlightItem:(NSMenuItem *)item;
  76
  77 @end
  78
  79 @implementation wxNSMenuController
  80
  81 - (id) init
  82 {
  83     [super init];
  84     return self;
  85 }
  86
  87 - (void)menuWillOpen:(NSMenu *)smenu
  88 {
  89     wxNSMenu* menu = (wxNSMenu*) smenu;
  90     wxMenuImpl* menuimpl = [menu implementation];
  91     if ( menuimpl )
  92     {
  93         wxMenu* wxpeer = (wxMenu*) menuimpl->GetWXPeer();
  94         wxpeer->HandleMenuOpened();
  95     }
  96 }
  97
  98 - (void)menuDidClose:(NSMenu *)smenu
  99 {
 100     wxNSMenu* menu = (wxNSMenu*) smenu;
 101     wxMenuImpl* menuimpl = [menu implementation];
 102     if ( menuimpl )
 103     {
 104         wxMenu* wxpeer = (wxMenu*) menuimpl->GetWXPeer();
 105         wxpeer->HandleMenuClosed();
 106     }
 107 }
 108
 109 - (void)menu:(NSMenu *)smenu willHighlightItem:(NSMenuItem *)item
 110 {
 111     wxNSMenu* menu = (wxNSMenu*) smenu;
 112     wxMenuImpl* menuimpl = [menu implementation];
 113     if ( menuimpl )
 114     {
 115         wxMenu* wxpeer = (wxMenu*) menuimpl->GetWXPeer();
 116         if ( [ item isKindOfClass:[wxNSMenuItem class] ] )
 117         {
 118             wxMenuItemImpl* menuitemimpl = (wxMenuItemImpl*) [ (wxNSMenuItem*) item implementation ];
 119             if ( wxpeer && menuitemimpl )
 120             {
 121                 wxpeer->HandleMenuItemHighlighted( menuitemimpl->GetWXPeer() );
 122             }
 123         }
 124     }
 125 }
 126
 127 @end
 128
 129 class wxMenuCocoaImpl : public wxMenuImpl
 130 {
 131 public :
 132     wxMenuCocoaImpl( wxMenu* peer , NSMenu* menu) : wxMenuImpl(peer), m_osxMenu(menu)
 133     {
 134     }
 135
 136     virtual ~wxMenuCocoaImpl();
 137
 138     virtual void InsertOrAppend(wxMenuItem *pItem, size_t pos)
 139     {
 140         if ( pos == (size_t) -1 )
 141             [m_osxMenu addItem:(NSMenuItem*) pItem->GetPeer()->GetHMenuItem() ];
 142         else
 143             [m_osxMenu insertItem:(NSMenuItem*) pItem->GetPeer()->GetHMenuItem() atIndex:pos];
 144     }
 145
 146     virtual void Remove( wxMenuItem *pItem )
 147     {
 148         [m_osxMenu removeItem:(NSMenuItem*) pItem->GetPeer()->GetHMenuItem()];
 149     }
 150
 151     virtual void MakeRoot()
 152     {
 153         [NSApp setMainMenu:m_osxMenu];
 154         [NSApp setAppleMenu:[[m_osxMenu itemAtIndex:0] submenu]];
 155     }
 156
 157     virtual void Enable( bool enable )
 158     {
 159     }
 160
 161     virtual void SetTitle( const wxString& text )
 162     {
 163         wxCFStringRef cfText(text);
 164         [m_osxMenu setTitle:cfText.AsNSString()];
 165     }
 166
 167     virtual void PopUp( wxWindow *win, int x, int y )
 168     {
 169         win->ScreenToClient( &x , &y ) ;
 170         NSView *view = win->GetPeer()->GetWXWidget();
 171         NSRect frame = [view frame];
 172         frame.origin.x = x;
 173         frame.origin.y = y;
 174         frame.size.width = 1;
 175         frame.size.height = 1;
 176         NSPopUpButtonCell *popUpButtonCell = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO];
 177         [popUpButtonCell setAutoenablesItems:NO];
 178         [popUpButtonCell setAltersStateOfSelectedItem:NO];
 179         [popUpButtonCell setMenu:m_osxMenu];
 180         [popUpButtonCell selectItem:nil];
 181         [popUpButtonCell performClickWithFrame:frame inView:view];
 182         [popUpButtonCell release];
 183     }
 184
 185     WXHMENU GetHMenu() { return m_osxMenu; }
 186
 187     static wxMenuImpl* Create( wxMenu* peer, const wxString& title );
 188     static wxMenuImpl* CreateRootMenu( wxMenu* peer );
 189 protected :
 190     NSMenu* m_osxMenu;
 191 } ;
 192
 193 wxMenuCocoaImpl::~wxMenuCocoaImpl()
 194 {
 195     [m_osxMenu release];
 196 }
 197
 198 wxMenuImpl* wxMenuImpl::Create( wxMenu* peer, const wxString& title )
 199 {
 200     static wxNSMenuController* controller = NULL;
 201     if ( controller == NULL )
 202     {
 203         controller = [[wxNSMenuController alloc] init];
 204     }
 205     wxCFStringRef cfText( title );
 206     wxNSMenu* menu = [[wxNSMenu alloc] initWithTitle:cfText.AsNSString()];
 207     wxMenuImpl* c = new wxMenuCocoaImpl( peer, menu );
 208     [menu setDelegate:controller];
 209     [menu setImplementation:c];
 210     return c;
 211 }