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