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