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