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Increase the number of visible OS X combo items.
[wxWidgets.git] / src / cocoa / menu.mm
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/cocoa/menu.mm
3 // Purpose: wxMenu and wxMenuBar implementation
4 // Author: David Elliott
5 // Modified by:
6 // Created: 2002/12/09
7 // Copyright: (c) 2002 David Elliott
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 // ============================================================================
12 // declarations
13 // ============================================================================
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 #include "wx/wxprec.h"
20
21 #include "wx/menu.h"
22
23 #ifndef WX_PRECOMP
24 #include "wx/log.h"
25 #endif // WX_PRECOMP
26
27 #include "wx/cocoa/autorelease.h"
28 #include "wx/cocoa/string.h"
29
30 #import <Foundation/NSString.h>
31 #include "wx/cocoa/objc/NSMenu.h"
32
33 #if wxUSE_MENUS
34
35 // ----------------------------------------------------------------------------
36 // globals
37 // ----------------------------------------------------------------------------
38
39 // ============================================================================
40 // wxMenu implementation
41 // ============================================================================
42
43 bool wxMenu::Create(const wxString& title, long style)
44 {
45 wxAutoNSAutoreleasePool pool;
46 m_cocoaNSMenu = [[WX_GET_OBJC_CLASS(WXNSMenu) alloc] initWithTitle: wxNSStringWithWxString(title)];
47 AssociateNSMenu(m_cocoaNSMenu);
48 return true;
49 }
50
51 wxMenu::~wxMenu()
52 {
53 DisassociateNSMenu(m_cocoaNSMenu);
54 if(!m_cocoaDeletes)
55 [m_cocoaNSMenu release];
56 }
57
58 wxMenuItem* wxMenu::DoAppend(wxMenuItem *item)
59 {
60 wxAutoNSAutoreleasePool pool;
61 if(!wxMenuBase::DoAppend(item))
62 return NULL;
63 [m_cocoaNSMenu addItem: item->GetNSMenuItem()];
64 return item;
65 }
66
67 wxMenuItem* wxMenu::DoInsert(unsigned long pos, wxMenuItem *item)
68 {
69 wxAutoNSAutoreleasePool pool;
70 if(!wxMenuBase::DoInsert(pos,item))
71 return NULL;
72 [m_cocoaNSMenu insertItem:item->GetNSMenuItem() atIndex:pos];
73 return item;
74 }
75
76 wxMenuItem* wxMenu::DoRemove(wxMenuItem *item)
77 {
78 wxAutoNSAutoreleasePool pool;
79 wxMenuItem *retitem = wxMenuBase::DoRemove(item);
80 wxASSERT(retitem->GetNSMenuItem());
81 [m_cocoaNSMenu removeItem:retitem->GetNSMenuItem()];
82 return retitem;
83 }
84
85 // This autoreleases the menu on the assumption that something is
86 // going to retain it shortly (for instance, it is going to be returned from
87 // an overloaded [NSStatusItem menu] or from the applicationDockMenu:
88 // NSApplication delegate method.
89 //
90 // It then sets a bool flag m_cocoaDeletes. When the NSMenu is dealloc'd
91 // (dealloc is the Cocoa destructor) we delete ourselves. In this manner we
92 // can be available for Cocoa calls until Cocoa is finished with us.
93 //
94 // I can see very few reasons to undo this. Nevertheless, it is implemented.
95 void wxMenu::SetCocoaDeletes(bool cocoaDeletes)
96 {
97 if(m_cocoaDeletes==cocoaDeletes)
98 return;
99 m_cocoaDeletes = cocoaDeletes;
100 if(m_cocoaDeletes)
101 [m_cocoaNSMenu autorelease];
102 else
103 [m_cocoaNSMenu retain];
104 }
105
106 void wxMenu::Cocoa_dealloc()
107 {
108 if(m_cocoaDeletes)
109 delete this;
110 }
111
112 // ============================================================================
113 // wxMenuBar implementation
114 // ============================================================================
115
116 bool wxMenuBar::Create(long style)
117 {
118 wxAutoNSAutoreleasePool pool;
119 m_cocoaNSMenu = [[NSMenu alloc] initWithTitle: @"wxMenuBar"];
120
121 NSMenuItem *dummyItem = [[NSMenuItem alloc] initWithTitle:@"App menu"
122 /* Note: title gets clobbered by app name anyway */
123 action:nil keyEquivalent:@""];
124 [m_cocoaNSMenu addItem:dummyItem];
125 [dummyItem release];
126 return true;
127 }
128
129 wxMenuBar::wxMenuBar(size_t n,
130 wxMenu *menus[],
131 const wxString titles[],
132 long style)
133 {
134 Create(style);
135
136 for ( size_t i = 0; i < n; ++i )
137 Append(menus[i], titles[i]);
138 }
139
140 wxMenuBar::~wxMenuBar()
141 {
142 [m_cocoaNSMenu release];
143 }
144
145 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
146 {
147 wxAutoNSAutoreleasePool pool;
148 wxLogTrace(wxTRACE_COCOA,wxT("append menu=%p, title=%s"),menu,title.c_str());
149 if(!wxMenuBarBase::Append(menu,title))
150 return false;
151 wxASSERT(menu);
152 wxASSERT(menu->GetNSMenu());
153 NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc], wxStripMenuCodes(title));
154 NSMenuItem *newItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:NULL keyEquivalent:@""];
155 [menu->GetNSMenu() setTitle:menuTitle];
156 [newItem setSubmenu:menu->GetNSMenu()];
157
158 [m_cocoaNSMenu addItem:newItem];
159
160 [menuTitle release];
161 [newItem release];
162 return true;
163 }
164
165 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
166 {
167 wxAutoNSAutoreleasePool pool;
168 wxLogTrace(wxTRACE_COCOA,wxT("insert pos=%lu, menu=%p, title=%s"),pos,menu,title.c_str());
169 // Get the current menu at this position
170 wxMenu *nextmenu = GetMenu(pos);
171 if(!wxMenuBarBase::Insert(pos,menu,title))
172 return false;
173 wxASSERT(menu);
174 wxASSERT(menu->GetNSMenu());
175 NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc], title);
176 NSMenuItem *newItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:NULL keyEquivalent:@""];
177 [menu->GetNSMenu() setTitle:menuTitle];
178 [newItem setSubmenu:menu->GetNSMenu()];
179
180 int itemindex = [m_cocoaNSMenu indexOfItemWithSubmenu:nextmenu->GetNSMenu()];
181 wxASSERT(itemindex>=0);
182 [m_cocoaNSMenu insertItem:newItem atIndex:itemindex];
183
184 [menuTitle release];
185 [newItem release];
186 return true;
187 }
188
189 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
190 {
191 return NULL;
192 }
193
194 wxMenu *wxMenuBar::Remove(size_t pos)
195 {
196 wxMenu *menu = wxMenuBarBase::Remove(pos);
197 wxASSERT(menu);
198 int itemindex = [GetNSMenu() indexOfItemWithSubmenu:menu->GetNSMenu()];
199 wxASSERT(itemindex>=0);
200 [m_cocoaNSMenu removeItemAtIndex:itemindex];
201 return menu;
202 }
203
204
205 void wxMenuBar::EnableTop(size_t pos, bool enable)
206 {
207 }
208
209 bool wxMenuBar::IsEnabledTop(size_t pos) const
210 {
211 return false;
212 }
213
214 void wxMenuBar::SetMenuLabel(size_t pos, const wxString& label)
215 {
216 }
217
218 wxString wxMenuBar::GetMenuLabel(size_t pos) const
219 {
220 wxMenu *menu = GetMenu(pos);
221 int itemindex = [m_cocoaNSMenu indexOfItemWithSubmenu:menu->GetNSMenu()];
222 wxASSERT(itemindex>=0);
223 return wxStringWithNSString([[m_cocoaNSMenu itemAtIndex:itemindex] title]);
224 }
225
226 void wxMenuBar::Attach(wxFrame *frame)
227 {
228 wxMenuBarBase::Attach(frame);
229 }
230
231 void wxMenuBar::Detach()
232 {
233 wxMenuBarBase::Detach();
234 }
235
236 wxSize wxMenuBar::DoGetBestClientSize() const
237 {
238 return wxDefaultSize;
239 }
240
241 #endif // wxUSE_MENUS