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 #import <AppKit/NSMenu.h>
  23
  24 // ============================================================================
  25 // @class wxPoserNSMenu
  26 // ============================================================================
  27 @interface wxPoserNSMenu : NSMenu
  28 {
  29 }
  30
  31 - (void)dealloc;
  32
  33 @end // wxPoserNSMenu
  34
  35 WX_IMPLEMENT_POSER(wxPoserNSMenu);
  36 @implementation wxPoserNSMenu : NSMenu
  37
  38 - (void)dealloc
  39 {
  40     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa(self);
  41     if(menu)
  42         menu->Cocoa_dealloc();
  43     [super dealloc];
  44 }
  45
  46 @end // wxPoserNSMenu
  47
  48 // ============================================================================
  49 // @class wxNSMenuNotificationObserver
  50 // ============================================================================
  51 @interface wxNSMenuNotificationObserver : NSObject
  52 {
  53 }
  54
  55 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = [[wxNSMenuNotificationObserver alloc] init];
  56
  57 - (void)menuDidAddItem: (NSNotification *)notification;
  58 - (void)menuDidChangeItem: (NSNotification *)notification;
  59 - (void)menuDidRemoveItem: (NSNotification *)notification;
  60 - (void)menuDidSendAction: (NSNotification *)notification;
  61 - (void)menuWillSendAction: (NSNotification *)notification;
  62 @end // interface wxNSMenuNotificationObserver
  63
  64 @implementation wxNSMenuNotificationObserver : NSObject
  65
  66 - (void)menuDidAddItem: (NSNotification *)notification
  67 {
  68     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  69     wxCHECK_RET(menu,wxT("menuDidAddItem received but no wxMenu exists"));
  70     menu->CocoaNotification_menuDidAddItem(notification);
  71 }
  72
  73 - (void)menuDidChangeItem: (NSNotification *)notification
  74 {
  75     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  76     wxCHECK_RET(menu,wxT("menuDidChangeItem received but no wxMenu exists"));
  77     menu->CocoaNotification_menuDidChangeItem(notification);
  78 }
  79
  80 - (void)menuDidRemoveItem: (NSNotification *)notification
  81 {
  82     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  83     wxCHECK_RET(menu,wxT("menuDidRemoveItem received but no wxMenu exists"));
  84     menu->CocoaNotification_menuDidRemoveItem(notification);
  85 }
  86
  87 - (void)menuDidSendAction: (NSNotification *)notification
  88 {
  89     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  90     wxCHECK_RET(menu,wxT("menuDidSendAction received but no wxMenu exists"));
  91     menu->CocoaNotification_menuDidSendAction(notification);
  92 }
  93
  94 - (void)menuWillSendAction: (NSNotification *)notification
  95 {
  96     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  97     wxCHECK_RET(menu,wxT("menuWillSendAction received but no wxMenu exists"));
  98     menu->CocoaNotification_menuWillSendAction(notification);
  99 }
 100
 101 @end // implementation wxNSMenuNotificationObserver
 102
 103 // ========================================================================
 104 // wxCocoaNSMenu
 105 // ========================================================================
 106 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
 107
 108 void wxCocoaNSMenu::AssociateNSMenu(WX_NSMenu cocoaNSMenu, unsigned int flags)
 109 {
 110     if(cocoaNSMenu)
 111     {
 112         sm_cocoaHash.insert(wxCocoaNSMenuHash::value_type(cocoaNSMenu,this));
 113         if(flags&OBSERVE_DidAddItem)
 114             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidAddItem:) name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 115         if(flags&OBSERVE_DidChangeItem)
 116             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidChangeItem:) name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 117         if(flags&OBSERVE_DidRemoveItem)
 118             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidRemoveItem:) name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 119         if(flags&OBSERVE_DidSendAction)
 120             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidSendAction:) name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 121         if(flags&OBSERVE_WillSendAction)
 122             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuWillSendAction:) name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 123     }
 124 }
 125
 126 void wxCocoaNSMenu::DisassociateNSMenu(WX_NSMenu cocoaNSMenu)
 127 {
 128     if(cocoaNSMenu)
 129     {
 130         sm_cocoaHash.erase(cocoaNSMenu);
 131         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 132         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 133         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 134         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 135         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 136     }
 137 }
 138
 139 #endif // wxUSE_MENUS