src/cocoa/menu.mm

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/cocoa/menu.cpp
   3 // Purpose:     wxMenu and wxMenuBar 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:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #include "wx/menu.h"
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/log.h"
  26 #endif // WX_PRECOMP
  27
  28 #include "wx/cocoa/autorelease.h"
  29 #include "wx/cocoa/string.h"
  30
  31 #import <Foundation/NSString.h>
  32 #include "wx/cocoa/objc/NSMenu.h"
  33
  34 #if wxUSE_MENUS
  35
  36 // ----------------------------------------------------------------------------
  37 // globals
  38 // ----------------------------------------------------------------------------
  39
  40 // ============================================================================
  41 // wxMenu implementation
  42 // ============================================================================
  43
  44 bool wxMenu::Create(const wxString& title, long style)
  45 {
  46     wxAutoNSAutoreleasePool pool;
  47     m_cocoaNSMenu = [[WX_GET_OBJC_CLASS(WXNSMenu) alloc] initWithTitle: wxNSStringWithWxString(title)];
  48     AssociateNSMenu(m_cocoaNSMenu);
  49     return true;
  50 }
  51
  52 wxMenu::~wxMenu()
  53 {
  54     DisassociateNSMenu(m_cocoaNSMenu);
  55     if(!m_cocoaDeletes)
  56         [m_cocoaNSMenu release];
  57 }
  58
  59 wxMenuItem* wxMenu::DoAppend(wxMenuItem *item)
  60 {
  61     wxAutoNSAutoreleasePool pool;
  62     if(!wxMenuBase::DoAppend(item))
  63         return NULL;
  64     [m_cocoaNSMenu addItem: item->GetNSMenuItem()];
  65     return item;
  66 }
  67
  68 wxMenuItem* wxMenu::DoInsert(unsigned long pos, wxMenuItem *item)
  69 {
  70     wxAutoNSAutoreleasePool pool;
  71     if(!wxMenuBase::DoInsert(pos,item))
  72         return NULL;
  73     [m_cocoaNSMenu insertItem:item->GetNSMenuItem() atIndex:pos];
  74     return item;
  75 }
  76
  77 wxMenuItem* wxMenu::DoRemove(wxMenuItem *item)
  78 {
  79     wxAutoNSAutoreleasePool pool;
  80     wxMenuItem *retitem = wxMenuBase::DoRemove(item);
  81     wxASSERT(retitem->GetNSMenuItem());
  82     [m_cocoaNSMenu removeItem:retitem->GetNSMenuItem()];
  83     return retitem;
  84 }
  85
  86 // This autoreleases the menu on the assumption that something is
  87 // going to retain it shortly (for instance, it is going to be returned from
  88 // an overloaded [NSStatusItem menu] or from the applicationDockMenu:
  89 // NSApplication delegate method.
  90 //
  91 // It then sets a bool flag m_cocoaDeletes.  When the NSMenu is dealloc'd
  92 // (dealloc is the Cocoa destructor) we delete ourselves.  In this manner we
  93 // can be available for Cocoa calls until Cocoa is finished with us.
  94 //
  95 // I can see very few reasons to undo this.  Nevertheless, it is implemented.
  96 void wxMenu::SetCocoaDeletes(bool cocoaDeletes)
  97 {
  98     if(m_cocoaDeletes==cocoaDeletes)
  99         return;
 100     m_cocoaDeletes = cocoaDeletes;
 101     if(m_cocoaDeletes)
 102         [m_cocoaNSMenu autorelease];
 103     else
 104         [m_cocoaNSMenu retain];
 105 }
 106
 107 void wxMenu::Cocoa_dealloc()
 108 {
 109     if(m_cocoaDeletes)
 110         delete this;
 111 }
 112
 113 // ============================================================================
 114 // wxMenuBar implementation
 115 // ============================================================================
 116
 117 bool wxMenuBar::Create(long style)
 118 {
 119     wxAutoNSAutoreleasePool pool;
 120     m_cocoaNSMenu = [[NSMenu alloc] initWithTitle: @"wxMenuBar"];
 121
 122     NSMenuItem *dummyItem = [[NSMenuItem alloc] initWithTitle:@"App menu"
 123         /* Note: title gets clobbered by app name anyway */
 124         action:nil keyEquivalent:@""];
 125     [m_cocoaNSMenu addItem:dummyItem];
 126     [dummyItem release];
 127     return true;
 128 }
 129
 130 wxMenuBar::wxMenuBar(size_t n,
 131                      wxMenu *menus[],
 132                      const wxString titles[],
 133                      long style)
 134 {
 135     Create(style);
 136
 137     for ( size_t i = 0; i < n; ++i )
 138         Append(menus[i], titles[i]);
 139 }
 140
 141 wxMenuBar::~wxMenuBar()
 142 {
 143     [m_cocoaNSMenu release];
 144 }
 145
 146 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 147 {
 148     wxAutoNSAutoreleasePool pool;
 149     wxLogTrace(wxTRACE_COCOA,wxT("append menu=%p, title=%s"),menu,title.c_str());
 150     if(!wxMenuBarBase::Append(menu,title))
 151         return false;
 152     wxASSERT(menu);
 153     wxASSERT(menu->GetNSMenu());
 154     NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc], wxStripMenuCodes(title));
 155     NSMenuItem *newItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:NULL keyEquivalent:@""];
 156     [menu->GetNSMenu() setTitle:menuTitle];
 157     [newItem setSubmenu:menu->GetNSMenu()];
 158
 159     [m_cocoaNSMenu addItem:newItem];
 160
 161     [menuTitle release];
 162     [newItem release];
 163     return true;
 164 }
 165
 166 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 167 {
 168     wxAutoNSAutoreleasePool pool;
 169     wxLogTrace(wxTRACE_COCOA,wxT("insert pos=%lu, menu=%p, title=%s"),pos,menu,title.c_str());
 170     // Get the current menu at this position
 171     wxMenu *nextmenu = GetMenu(pos);
 172     if(!wxMenuBarBase::Insert(pos,menu,title))
 173         return false;
 174     wxASSERT(menu);
 175     wxASSERT(menu->GetNSMenu());
 176     NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc], title);
 177     NSMenuItem *newItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:NULL keyEquivalent:@""];
 178     [menu->GetNSMenu() setTitle:menuTitle];
 179     [newItem setSubmenu:menu->GetNSMenu()];
 180
 181     int itemindex = [m_cocoaNSMenu indexOfItemWithSubmenu:nextmenu->GetNSMenu()];
 182     wxASSERT(itemindex>=0);
 183     [m_cocoaNSMenu insertItem:newItem atIndex:itemindex];
 184
 185     [menuTitle release];
 186     [newItem release];
 187     return true;
 188 }
 189
 190 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 191 {
 192     return NULL;
 193 }
 194
 195 wxMenu *wxMenuBar::Remove(size_t pos)
 196 {
 197     wxMenu *menu = wxMenuBarBase::Remove(pos);
 198     wxASSERT(menu);
 199     int itemindex = [GetNSMenu() indexOfItemWithSubmenu:menu->GetNSMenu()];
 200     wxASSERT(itemindex>=0);
 201     [m_cocoaNSMenu removeItemAtIndex:itemindex];
 202     return menu;
 203 }
 204
 205
 206 void wxMenuBar::EnableTop(size_t pos, bool enable)
 207 {
 208 }
 209
 210 bool wxMenuBar::IsEnabledTop(size_t pos) const
 211 {
 212     return false;
 213 }
 214
 215 void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label)
 216 {
 217 }
 218
 219 wxString wxMenuBar::GetMenuLabel(size_t pos) const
 220 {
 221     wxMenu *menu = GetMenu(pos);
 222     int itemindex = [m_cocoaNSMenu indexOfItemWithSubmenu:menu->GetNSMenu()];
 223     wxASSERT(itemindex>=0);
 224     return wxStringWithNSString([[m_cocoaNSMenu itemAtIndex:itemindex] title]);
 225 }
 226
 227 void wxMenuBar::Attach(wxFrame *frame)
 228 {
 229     wxMenuBarBase::Attach(frame);
 230 }
 231
 232 void wxMenuBar::Detach()
 233 {
 234     wxMenuBarBase::Detach();
 235 }
 236
 237 wxSize wxMenuBar::DoGetBestClientSize() const
 238 {
 239     return wxDefaultSize;
 240 }
 241
 242 #endif // wxUSE_MENUS