src/cocoa/NSMenu.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        cocoa/NSMenu.mm
   3 // Purpose:     wxCocoaNSMenu implementation
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2002/12/09
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2002 David Elliott
   9 // Licence:     wxWidgets licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13 #if wxUSE_MENUS
  14 #ifndef WX_PRECOMP
  15     #include "wx/log.h"
  16 #endif // WX_PRECOMP
  17
  18 #include "wx/cocoa/ObjcRef.h"
  19 #include "wx/cocoa/NSMenu.h"
  20
  21 #import <Foundation/NSNotification.h>
  22 #include "wx/cocoa/objc/NSMenu.h"
  23
  24 // ============================================================================
  25 // @class WXNSMenu
  26 // ============================================================================
  27
  28 @implementation WXNSMenu : NSMenu
  29
  30 - (void)dealloc
  31 {
  32     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa(self);
  33     if(menu)
  34         menu->Cocoa_dealloc();
  35     [super dealloc];
  36 }
  37
  38 @end // WXNSMenu
  39 WX_IMPLEMENT_GET_OBJC_CLASS(WXNSMenu,NSMenu)
  40
  41 // ============================================================================
  42 // @class wxNSMenuNotificationObserver
  43 // ============================================================================
  44 @interface wxNSMenuNotificationObserver : NSObject
  45 {
  46 }
  47
  48 - (void)menuDidAddItem: (NSNotification *)notification;
  49 - (void)menuDidChangeItem: (NSNotification *)notification;
  50 - (void)menuDidRemoveItem: (NSNotification *)notification;
  51 - (void)menuDidSendAction: (NSNotification *)notification;
  52 - (void)menuWillSendAction: (NSNotification *)notification;
  53 @end // interface wxNSMenuNotificationObserver
  54 WX_DECLARE_GET_OBJC_CLASS(wxNSMenuNotificationObserver,NSObject)
  55
  56 @implementation wxNSMenuNotificationObserver : NSObject
  57
  58 - (void)menuDidAddItem: (NSNotification *)notification
  59 {
  60     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  61     wxCHECK_RET(menu,wxT("menuDidAddItem received but no wxMenu exists"));
  62     menu->CocoaNotification_menuDidAddItem(notification);
  63 }
  64
  65 - (void)menuDidChangeItem: (NSNotification *)notification
  66 {
  67     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  68     wxCHECK_RET(menu,wxT("menuDidChangeItem received but no wxMenu exists"));
  69     menu->CocoaNotification_menuDidChangeItem(notification);
  70 }
  71
  72 - (void)menuDidRemoveItem: (NSNotification *)notification
  73 {
  74     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  75     wxCHECK_RET(menu,wxT("menuDidRemoveItem received but no wxMenu exists"));
  76     menu->CocoaNotification_menuDidRemoveItem(notification);
  77 }
  78
  79 - (void)menuDidSendAction: (NSNotification *)notification
  80 {
  81     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  82     wxCHECK_RET(menu,wxT("menuDidSendAction received but no wxMenu exists"));
  83     menu->CocoaNotification_menuDidSendAction(notification);
  84 }
  85
  86 - (void)menuWillSendAction: (NSNotification *)notification
  87 {
  88     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  89     wxCHECK_RET(menu,wxT("menuWillSendAction received but no wxMenu exists"));
  90     menu->CocoaNotification_menuWillSendAction(notification);
  91 }
  92
  93 @end // implementation wxNSMenuNotificationObserver
  94 WX_IMPLEMENT_GET_OBJC_CLASS(wxNSMenuNotificationObserver,NSObject)
  95
  96 // ========================================================================
  97 // wxCocoaNSMenu
  98 // ========================================================================
  99 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
 100
 101 // New CF-retained observer (this should have been using wxObjcAutoRefFromAlloc to begin with)
 102 static wxObjcAutoRefFromAlloc<wxNSMenuNotificationObserver*> s_cocoaNSMenuObserver([[WX_GET_OBJC_CLASS(wxNSMenuNotificationObserver) alloc] init]);
 103 // For compatibility with old code
 104 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = s_cocoaNSMenuObserver;
 105
 106 void wxCocoaNSMenu::AssociateNSMenu(WX_NSMenu cocoaNSMenu, unsigned int flags)
 107 {
 108     if(cocoaNSMenu)
 109     {
 110         sm_cocoaHash.insert(wxCocoaNSMenuHash::value_type(cocoaNSMenu,this));
 111         if(flags&OBSERVE_DidAddItem)
 112             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidAddItem:) name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 113         if(flags&OBSERVE_DidChangeItem)
 114             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidChangeItem:) name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 115         if(flags&OBSERVE_DidRemoveItem)
 116             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidRemoveItem:) name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 117         if(flags&OBSERVE_DidSendAction)
 118             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidSendAction:) name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 119         if(flags&OBSERVE_WillSendAction)
 120             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuWillSendAction:) name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 121     }
 122 }
 123
 124 void wxCocoaNSMenu::DisassociateNSMenu(WX_NSMenu cocoaNSMenu)
 125 {
 126     if(cocoaNSMenu)
 127     {
 128         sm_cocoaHash.erase(cocoaNSMenu);
 129         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 130         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 131         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 132         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 133         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 134     }
 135 }
 136
 137 #endif // wxUSE_MENUS