src/cocoa/NSMenu.mm

   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
  38 WX_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
  53 WX_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
  93 WX_IMPLEMENT_GET_OBJC_CLASS(wxNSMenuNotificationObserver,NSObject)
  94
  95 // ========================================================================
  96 // wxCocoaNSMenu
  97 // ========================================================================
  98 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
  99
 100 // New CF-retained observer (this should have been using wxObjcAutoRefFromAlloc to begin with)
 101 static wxObjcAutoRefFromAlloc<wxNSMenuNotificationObserver*> s_cocoaNSMenuObserver([[WX_GET_OBJC_CLASS(wxNSMenuNotificationObserver) alloc] init]);
 102 // For compatibility with old code
 103 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = s_cocoaNSMenuObserver;
 104
 105 void 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
 123 void 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