src/cocoa/menuitem.mm

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        menuitem.cpp
   3 // Purpose:     wxMenuItem implementation
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2002/12/15
   7 // RCS-ID:      $Id:
   8 // Copyright:   2002 David Elliott
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21 #ifndef WX_PRECOMP
  22     #include "wx/menu.h"
  23     #include "wx/menuitem.h"
  24     #include "wx/utils.h"
  25     #include "wx/frame.h"
  26     #include "wx/log.h"
  27 #endif
  28
  29 #include "wx/cocoa/ObjcPose.h"
  30 #include "wx/cocoa/autorelease.h"
  31 #include "wx/cocoa/string.h"
  32
  33 #import <AppKit/NSMenuItem.h>
  34 #import <AppKit/NSMenu.h>
  35 #import <Foundation/NSString.h>
  36
  37 #if wxUSE_MENUS
  38
  39 // ----------------------------------------------------------------------------
  40 // functions prototypes
  41 // ----------------------------------------------------------------------------
  42
  43 // ============================================================================
  44 // @class wxNSMenuItemTarget
  45 // ============================================================================
  46 @interface wxNSMenuItemTarget : NSObject
  47 {
  48 }
  49
  50 - (void)wxMenuItemAction: (id)sender;
  51 - (BOOL)validateMenuItem: (id)menuItem;
  52 @end //interface wxNSMenuItemTarget
  53
  54 @implementation wxNSMenuItemTarget : NSObject
  55
  56 - (void)wxMenuItemAction: (id)sender
  57 {
  58     wxLogDebug(wxT("wxMenuItemAction"));
  59     wxMenuItem *item = wxMenuItem::GetFromCocoa(sender);
  60     wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!"));
  61
  62     wxMenu *menu = item->GetMenu();
  63     wxCHECK_RET(menu,wxT("wxMenuItemAction received but wxMenuItem is not in a wxMenu"));
  64     wxMenuBar *menubar = menu->GetMenuBar();
  65     if(menubar)
  66     {
  67         wxFrame *frame = menubar->GetFrame();
  68         wxCHECK_RET(frame, wxT("wxMenuBar MUST be attached to a wxFrame!"));
  69         frame->ProcessCommand(item->GetId());
  70     }
  71 }
  72
  73 - (BOOL)validateMenuItem: (id)menuItem
  74 {
  75     // TODO: Do wxWindows validation here and avoid sending during idle time
  76     wxLogDebug(wxT("wxMenuItemAction"));
  77     wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem);
  78     wxCHECK_MSG(item,NO,wxT("validateMenuItem received but no wxMenuItem exists!"));
  79     return item->IsEnabled();
  80 }
  81
  82 @end //implementation wxNSMenuItemTarget
  83
  84 // ============================================================================
  85 // @class wxPoserNSMenuItem
  86 // ============================================================================
  87 @interface wxPoserNSMenuItem : NSMenuItem
  88 {
  89 }
  90
  91 @end // wxPoserNSMenuItem
  92
  93 WX_IMPLEMENT_POSER(wxPoserNSMenuItem);
  94 @implementation wxPoserNSMenuItem : NSMenuItem
  95
  96 @end // wxPoseRNSMenuItem
  97
  98 // ============================================================================
  99 // wxMenuItemCocoa implementation
 100 // ============================================================================
 101 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 102 wxMenuItemCocoaHash wxMenuItemCocoa::sm_cocoaHash;
 103
 104 struct objc_object *wxMenuItemCocoa::sm_cocoaTarget = [[wxNSMenuItemTarget alloc] init];
 105
 106 // ----------------------------------------------------------------------------
 107 // wxMenuItemBase
 108 // ----------------------------------------------------------------------------
 109
 110 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 111                                 int itemid,
 112                                 const wxString& name,
 113                                 const wxString& help,
 114                                 wxItemKind kind,
 115                                 wxMenu *subMenu)
 116 {
 117     return new wxMenuItem(parentMenu, itemid, name, help, kind, subMenu);
 118 }
 119
 120 /* static */
 121 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 122 {
 123     return wxStripMenuCodes(text);
 124 }
 125
 126 // ----------------------------------------------------------------------------
 127 // ctor & dtor
 128 // ----------------------------------------------------------------------------
 129 wxMenuItemCocoa::wxMenuItemCocoa(wxMenu *pParentMenu,
 130                        int itemid,
 131                        const wxString& strName,
 132                        const wxString& strHelp,
 133                        wxItemKind kind,
 134                        wxMenu *pSubMenu)
 135           : wxMenuItemBase(pParentMenu, itemid, strName, strHelp, kind, pSubMenu)
 136 {
 137     wxAutoNSAutoreleasePool pool;
 138     NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc],wxStripMenuCodes(strName));
 139     m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:@selector(wxMenuItemAction:) keyEquivalent:@""];
 140     sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this));
 141     [m_cocoaNSMenuItem setTarget:sm_cocoaTarget];
 142     if(pSubMenu)
 143     {
 144         wxASSERT(pSubMenu->GetNSMenu());
 145         [pSubMenu->GetNSMenu() setTitle:menuTitle];
 146         [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()];
 147     }
 148     [menuTitle release];
 149 }
 150
 151 wxMenuItem::~wxMenuItem()
 152 {
 153     sm_cocoaHash.erase(m_cocoaNSMenuItem);
 154     [m_cocoaNSMenuItem release];
 155 }
 156
 157 // ----------------------------------------------------------------------------
 158 // misc
 159 // ----------------------------------------------------------------------------
 160
 161 // change item state
 162 // -----------------
 163
 164 void wxMenuItem::Enable(bool bDoEnable)
 165 {
 166     wxMenuItemBase::Enable(bDoEnable);
 167 }
 168
 169 void wxMenuItem::Check(bool bDoCheck)
 170 {
 171     wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
 172     wxMenuItemBase::Check(bDoCheck);
 173 }
 174
 175 void wxMenuItem::SetText(const wxString& label)
 176 {
 177     wxMenuItemBase::SetText(label);
 178 }
 179
 180 void wxMenuItem::SetCheckable(bool checkable)
 181 {
 182     wxMenuItemBase::SetCheckable(checkable);
 183 }
 184
 185 #endif // wxUSE_MENUS