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 #if 0 // There is no reason to pose for NSMenu at this time.
  25 // ============================================================================
  26 // @class wxPoserNSMenu
  27 // ============================================================================
  28 @interface wxPoserNSMenu : NSMenu
  29 {
  30 }
  31
  32 @end // wxPoserNSMenu
  33
  34 WX_IMPLEMENT_POSER(wxPoserNSMenu);
  35 @implementation wxPoserNSMenu : NSMenu
  36
  37 @end // wxPoserNSMenu
  38 #endif // 0
  39
  40 // ============================================================================
  41 // @class wxNSMenuNotificationObserver
  42 // ============================================================================
  43 @interface wxNSMenuNotificationObserver : NSObject
  44 {
  45 }
  46
  47 struct objc_object *wxCocoaNSMenu::sm_cocoaObserver = [[wxNSMenuNotificationObserver alloc] init];
  48
  49 - (void)menuDidAddItem: (NSNotification *)notification;
  50 - (void)menuDidChangeItem: (NSNotification *)notification;
  51 - (void)menuDidRemoveItem: (NSNotification *)notification;
  52 - (void)menuDidSendAction: (NSNotification *)notification;
  53 - (void)menuWillSendAction: (NSNotification *)notification;
  54 @end // interface wxNSMenuNotificationObserver
  55
  56 @implementation wxNSMenuNotificationObserver : NSObject
  57
  58 - (void)menuDidAddItem: (NSNotification *)notification
  59 {
  60     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  61     wxCHECK_RET(menu,wxT("menuDidAddItem received but no wxMenu exists"));
  62     menu->CocoaNotification_menuDidAddItem(notification);
  63 }
  64
  65 - (void)menuDidChangeItem: (NSNotification *)notification
  66 {
  67     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  68     wxCHECK_RET(menu,wxT("menuDidChangeItem received but no wxMenu exists"));
  69     menu->CocoaNotification_menuDidChangeItem(notification);
  70 }
  71
  72 - (void)menuDidRemoveItem: (NSNotification *)notification
  73 {
  74     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  75     wxCHECK_RET(menu,wxT("menuDidRemoveItem received but no wxMenu exists"));
  76     menu->CocoaNotification_menuDidRemoveItem(notification);
  77 }
  78
  79 - (void)menuDidSendAction: (NSNotification *)notification
  80 {
  81     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  82     wxCHECK_RET(menu,wxT("menuDidSendAction received but no wxMenu exists"));
  83     menu->CocoaNotification_menuDidSendAction(notification);
  84 }
  85
  86 - (void)menuWillSendAction: (NSNotification *)notification
  87 {
  88     wxCocoaNSMenu *menu = wxCocoaNSMenu::GetFromCocoa([notification object]);
  89     wxCHECK_RET(menu,wxT("menuWillSendAction received but no wxMenu exists"));
  90     menu->CocoaNotification_menuWillSendAction(notification);
  91 }
  92
  93 @end // implementation wxNSMenuNotificationObserver
  94
  95 // ========================================================================
  96 // wxCocoaNSMenu
  97 // ========================================================================
  98 WX_IMPLEMENT_OBJC_INTERFACE_HASHMAP(NSMenu)
  99
 100 void wxCocoaNSMenu::AssociateNSMenu(WX_NSMenu cocoaNSMenu, unsigned int flags)
 101 {
 102     if(cocoaNSMenu)
 103     {
 104         sm_cocoaHash.insert(wxCocoaNSMenuHash::value_type(cocoaNSMenu,this));
 105         if(flags&OBSERVE_DidAddItem)
 106             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidAddItem:) name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 107         if(flags&OBSERVE_DidChangeItem)
 108             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidChangeItem:) name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 109         if(flags&OBSERVE_DidRemoveItem)
 110             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidRemoveItem:) name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 111         if(flags&OBSERVE_DidSendAction)
 112             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuDidSendAction:) name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 113         if(flags&OBSERVE_WillSendAction)
 114             [[NSNotificationCenter defaultCenter] addObserver:(id)sm_cocoaObserver selector:@selector(menuWillSendAction:) name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 115     }
 116 }
 117
 118 void wxCocoaNSMenu::DisassociateNSMenu(WX_NSMenu cocoaNSMenu)
 119 {
 120     if(cocoaNSMenu)
 121     {
 122         sm_cocoaHash.erase(cocoaNSMenu);
 123         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidAddItemNotification object:cocoaNSMenu];
 124         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidChangeItemNotification object:cocoaNSMenu];
 125         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidRemoveItemNotification object:cocoaNSMenu];
 126         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuDidSendActionNotification object:cocoaNSMenu];
 127         [[NSNotificationCenter defaultCenter] removeObserver:(id)sm_cocoaObserver name:NSMenuWillSendActionNotification object:cocoaNSMenu];
 128     }
 129 }
 130
 131 #endif // wxUSE_MENUS