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 #include "wx/cocoa/ObjcPose.h"
  20
  21 #import <Foundation/NSNotification.h>
  22 #include "wx/cocoa/objc/NSMenu.h"
  23
  24 // ============================================================================
  25 // @class wxPoserNSMenu
  26 // ============================================================================
  27
  28 WX_IMPLEMENT_POSER(wxPoserNSMenu);
  29 @implementation wxPoserNSMenu : NSMenu
  30
  31 - (void)dealloc
  32 {
  33     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa(self);
  34     if(menu)
  35         menu->Cocoa_dealloc();
  36     [super dealloc];
  37 }
  38
  39 @end // wxPoserNSMenu
  40
  41 // ============================================================================
  42 // @class wxNSMenuNotificationObserver
  43 // ============================================================================
  44 @interface wxNSMenuNotificationObserver : NSObject
  45 {
  46 }
  47
  48 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = [[wxNSMenuNotificationObserver alloc] init];
  49
  50 - (void)menuDidAddItem: (NSNotification *)notification;
  51 - (void)menuDidChangeItem: (NSNotification *)notification;
  52 - (void)menuDidRemoveItem: (NSNotification *)notification;
  53 - (void)menuDidSendAction: (NSNotification *)notification;
  54 - (void)menuWillSendAction: (NSNotification *)notification;
  55 @end // interface wxNSMenuNotificationObserver
  56
  57 @implementation wxNSMenuNotificationObserver : NSObject
  58
  59 - (void)menuDidAddItem: (NSNotification *)notification
  60 {
  61     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  62     wxCHECK_RET(menu,wxT("menuDidAddItem received but no wxMenu exists"));
  63     menu->CocoaNotification_menuDidAddItem(notification);
  64 }
  65
  66 - (void)menuDidChangeItem: (NSNotification *)notification
  67 {
  68     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  69     wxCHECK_RET(menu,wxT("menuDidChangeItem received but no wxMenu exists"));
  70     menu->CocoaNotification_menuDidChangeItem(notification);
  71 }
  72
  73 - (void)menuDidRemoveItem: (NSNotification *)notification
  74 {
  75     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  76     wxCHECK_RET(menu,wxT("menuDidRemoveItem received but no wxMenu exists"));
  77     menu->CocoaNotification_menuDidRemoveItem(notification);
  78 }
  79
  80 - (void)menuDidSendAction: (NSNotification *)notification
  81 {
  82     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  83     wxCHECK_RET(menu,wxT("menuDidSendAction received but no wxMenu exists"));
  84     menu->CocoaNotification_menuDidSendAction(notification);
  85 }
  86
  87 - (void)menuWillSendAction: (NSNotification *)notification
  88 {
  89     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  90     wxCHECK_RET(menu,wxT("menuWillSendAction received but no wxMenu exists"));
  91     menu->CocoaNotification_menuWillSendAction(notification);
  92 }
  93
  94 @end // implementation wxNSMenuNotificationObserver
  95
  96 // ========================================================================
  97 // wxCocoaNSMenu
  98 // ========================================================================
  99 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
 100
 101 void wxCocoaNSMenu::AssociateNSMenu(WX_NSMenu cocoaNSMenu, unsigned int flags)
 102 {
 103     if(cocoaNSMenu)
 104     {
 105         sm_cocoaHash.insert(wxCocoaNSMenuHash::value_type(cocoaNSMenu,this));
 106         if(flags&OBSERVE_DidAddItem)
 107             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidAddItem:) name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 108         if(flags&OBSERVE_DidChangeItem)
 109             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidChangeItem:) name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 110         if(flags&OBSERVE_DidRemoveItem)
 111             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidRemoveItem:) name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 112         if(flags&OBSERVE_DidSendAction)
 113             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidSendAction:) name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 114         if(flags&OBSERVE_WillSendAction)
 115             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuWillSendAction:) name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 116     }
 117 }
 118
 119 void wxCocoaNSMenu::DisassociateNSMenu(WX_NSMenu cocoaNSMenu)
 120 {
 121     if(cocoaNSMenu)
 122     {
 123         sm_cocoaHash.erase(cocoaNSMenu);
 124         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 125         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 126         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 127         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 128         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 129     }
 130 }
 131
 132 #endif // wxUSE_MENUS