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/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
  39 // ============================================================================
  40 // @class wxNSMenuNotificationObserver
  41 // ============================================================================
  42 @interface wxNSMenuNotificationObserver : NSObject
  43 {
  44 }
  45
  46 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = [[wxNSMenuNotificationObserver alloc] init];
  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
  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
  94 // ========================================================================
  95 // wxCocoaNSMenu
  96 // ========================================================================
  97 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
  98
  99 void wxCocoaNSMenu::AssociateNSMenu(WX_NSMenu cocoaNSMenu, unsigned int flags)
 100 {
 101     if(cocoaNSMenu)
 102     {
 103         sm_cocoaHash.insert(wxCocoaNSMenuHash::value_type(cocoaNSMenu,this));
 104         if(flags&OBSERVE_DidAddItem)
 105             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidAddItem:) name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 106         if(flags&OBSERVE_DidChangeItem)
 107             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidChangeItem:) name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 108         if(flags&OBSERVE_DidRemoveItem)
 109             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidRemoveItem:) name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 110         if(flags&OBSERVE_DidSendAction)
 111             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidSendAction:) name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 112         if(flags&OBSERVE_WillSendAction)
 113             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuWillSendAction:) name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 114     }
 115 }
 116
 117 void wxCocoaNSMenu::DisassociateNSMenu(WX_NSMenu cocoaNSMenu)
 118 {
 119     if(cocoaNSMenu)
 120     {
 121         sm_cocoaHash.erase(cocoaNSMenu);
 122         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 123         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 124         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 125         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 126         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 127     }
 128 }
 129
 130 #endif // wxUSE_MENUS