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added possibility to throw different objects and crash directly from the main frame...
[wxWidgets.git] / src / cocoa / menuitem.mm
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1///////////////////////////////////////////////////////////////////////////////
2// Name: menuitem.cpp
3// Purpose: wxMenuItem implementation
4// Author: David Elliott
5// Modified by:
6// Created: 2002/12/15
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7// RCS-ID: $Id$
8// Copyright: 2002-2004 David Elliott
9// Licence: wxWindows licence
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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"
2fc2d511 26 #include "wx/log.h"
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27#endif
28
29#include "wx/cocoa/ObjcPose.h"
7fc77f30 30#include "wx/cocoa/autorelease.h"
b0c0a393 31#include "wx/cocoa/string.h"
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32
33#import <AppKit/NSMenuItem.h>
34#import <AppKit/NSMenu.h>
35#import <Foundation/NSString.h>
1ee4156a 36#import <AppKit/NSCell.h> // NSOnState, NSOffState
1e85b547 37#import <AppKit/NSEvent.h> // modifier key masks
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38
39#if wxUSE_MENUS
40
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41// ----------------------------------------------------------------------------
42// functions prototypes
43// ----------------------------------------------------------------------------
44
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45// ============================================================================
46// @class wxNSMenuItemTarget
47// ============================================================================
48@interface wxNSMenuItemTarget : NSObject
49{
50}
51
52- (void)wxMenuItemAction: (id)sender;
42036ca8 53- (BOOL)validateMenuItem: (id)menuItem;
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54@end //interface wxNSMenuItemTarget
55
56@implementation wxNSMenuItemTarget : NSObject
57
58- (void)wxMenuItemAction: (id)sender
59{
48580976 60 wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction"));
2fc2d511 61 wxMenuItem *item = wxMenuItem::GetFromCocoa(sender);
2b030203 62 wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!"));
d04995b3 63 item->CocoaItemSelected();
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64}
65
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66- (BOOL)validateMenuItem: (id)menuItem
67{
065e208e 68 // TODO: Do wxWidgets validation here and avoid sending during idle time
48580976 69 wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction"));
42036ca8 70 wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem);
2b030203 71 wxCHECK_MSG(item,NO,wxT("validateMenuItem received but no wxMenuItem exists!"));
d04995b3 72 return item->Cocoa_validateMenuItem();
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73}
74
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75@end //implementation wxNSMenuItemTarget
76
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77// ============================================================================
78// wxMenuItemCocoa implementation
79// ============================================================================
80IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
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81wxMenuItemCocoaHash wxMenuItemCocoa::sm_cocoaHash;
82
d04995b3 83wxObjcAutoRefFromAlloc<struct objc_object *> wxMenuItemCocoa::sm_cocoaTarget = [[wxNSMenuItemTarget alloc] init];
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84
85// ----------------------------------------------------------------------------
86// wxMenuItemBase
87// ----------------------------------------------------------------------------
88
89wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
90 int itemid,
91 const wxString& name,
92 const wxString& help,
93 wxItemKind kind,
94 wxMenu *subMenu)
95{
96 return new wxMenuItem(parentMenu, itemid, name, help, kind, subMenu);
97}
98
99/* static */
100wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
101{
102 return wxStripMenuCodes(text);
103}
104
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105void wxMenuItemCocoa::CocoaSetKeyEquivalent()
106{
107 wxAcceleratorEntry *accel = GetAccel();
108 if(!accel)
109 return;
110
111 int accelFlags = accel->GetFlags();
112 int keyModifierMask = 0;
113 if(accelFlags & wxACCEL_ALT)
114 keyModifierMask |= NSAlternateKeyMask;
115 if(accelFlags & wxACCEL_CTRL)
116 keyModifierMask |= NSCommandKeyMask;
117 int keyCode = accel->GetKeyCode();
118 if(isalpha(keyCode))
119 { // For alpha characters use upper/lower rather than NSShiftKeyMask
120 char alphaChar;
121 if(accelFlags & wxACCEL_SHIFT)
122 alphaChar = toupper(keyCode);
123 else
124 alphaChar = tolower(keyCode);
125 [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]];
126 [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask];
127 }
128 else
129 {
130 if(accelFlags & wxACCEL_SHIFT)
131 keyModifierMask |= NSShiftKeyMask;
132 if(keyCode < 128) // low ASCII includes backspace/tab/etc.
133 { char alphaChar = keyCode;
134 [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]];
135 }
136 else
137 { // TODO
138 }
139 [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask];
140 }
141}
142
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143// ----------------------------------------------------------------------------
144// ctor & dtor
145// ----------------------------------------------------------------------------
146wxMenuItemCocoa::wxMenuItemCocoa(wxMenu *pParentMenu,
147 int itemid,
148 const wxString& strName,
149 const wxString& strHelp,
150 wxItemKind kind,
151 wxMenu *pSubMenu)
152 : wxMenuItemBase(pParentMenu, itemid, strName, strHelp, kind, pSubMenu)
153{
7fc77f30 154 wxAutoNSAutoreleasePool pool;
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155 if(m_kind == wxITEM_SEPARATOR)
156 m_cocoaNSMenuItem = [[NSMenuItem separatorItem] retain];
157 else
fb896a32 158 {
67352554 159 NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc],wxStripMenuCodes(strName));
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160 SEL action;
161 if(pSubMenu)
162 action = nil;
163 else
164 action = @selector(wxMenuItemAction:);
165 m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:action keyEquivalent:@""];
67352554 166 sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this));
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167 if(pSubMenu)
168 {
169 wxASSERT(pSubMenu->GetNSMenu());
170 [pSubMenu->GetNSMenu() setTitle:menuTitle];
171 [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()];
172 }
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173 else
174 [m_cocoaNSMenuItem setTarget: sm_cocoaTarget];
67352554 175 [menuTitle release];
1e85b547 176 CocoaSetKeyEquivalent();
fb896a32 177 }
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178}
179
180wxMenuItem::~wxMenuItem()
181{
182 sm_cocoaHash.erase(m_cocoaNSMenuItem);
183 [m_cocoaNSMenuItem release];
184}
185
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186void wxMenuItem::CocoaItemSelected()
187{
188 wxMenu *menu = GetMenu();
189 wxCHECK_RET(menu,wxT("wxMenuItemAction received but wxMenuItem is not in a wxMenu"));
190 wxMenuBar *menubar = menu->GetMenuBar();
191 if(menubar)
192 {
193 wxFrame *frame = menubar->GetFrame();
194 wxCHECK_RET(frame, wxT("wxMenuBar MUST be attached to a wxFrame!"));
195 frame->ProcessCommand(GetId());
196 }
197 else
198 {
199 if(IsCheckable())
200 Toggle();
201 GetMenu()->SendEvent(GetId(), IsCheckable()?IsChecked():-1);
202 }
203}
204
205bool wxMenuItem::Cocoa_validateMenuItem()
206{
207 // TODO: do more sanity checking
208 // TODO: Do wxWindows validation here and avoid sending during idle time
209 return IsEnabled();
210}
211
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212// ----------------------------------------------------------------------------
213// misc
214// ----------------------------------------------------------------------------
215
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216void wxMenuItem::SetBitmaps(const wxBitmap& bmpChecked,
217 const wxBitmap& bmpUnchecked)
218{
219 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have bitmaps."));
220 wxAutoNSAutoreleasePool pool;
221 m_bmpChecked = bmpChecked;
222 m_bmpUnchecked = bmpUnchecked;
223 if(IsCheckable())
224 {
225 [m_cocoaNSMenuItem setOnStateImage: bmpChecked.GetNSImage(true)];
226 [m_cocoaNSMenuItem setOffStateImage: bmpUnchecked.GetNSImage(true)];
227 }
228 else
229 {
230 wxASSERT_MSG(!bmpUnchecked.Ok(),wxT("Normal menu items should only have one bitmap"));
231 [m_cocoaNSMenuItem setImage: bmpChecked.GetNSImage(true)];
232 }
233}
234
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235// change item state
236// -----------------
237
238void wxMenuItem::Enable(bool bDoEnable)
239{
240 wxMenuItemBase::Enable(bDoEnable);
e03a77c6 241 // NOTE: Nothing to do, we respond to validateMenuItem instead
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242}
243
1ee4156a 244void wxMenuItem::Check(bool check)
fb896a32 245{
2b030203 246 wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") );
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247 if(m_isChecked == check)
248 return;
249 wxAutoNSAutoreleasePool pool;
250 if(GetKind() == wxITEM_RADIO)
251 {
252 // it doesn't make sense to uncheck a radio item - what would this do?
253 if(!check)
254 return;
255 const wxMenuItemList& items = m_parentMenu->GetMenuItems();
256 // First search backwards for other radio items
257 wxMenuItemList::compatibility_iterator radioStart = items.Find(this);
258 for(wxMenuItemList::compatibility_iterator prevNode = radioStart;
259 prevNode && (prevNode->GetData()->GetKind() == wxITEM_RADIO);
260 prevNode = prevNode->GetPrevious())
261 {
262 radioStart = prevNode;
263 }
264 // Now starting there set the state of every item until we're
265 // out of radio items to set.
266 for(wxMenuItemList::compatibility_iterator node = radioStart;
267 node && (node->GetData()->GetKind() == wxITEM_RADIO);
268 node = node->GetNext())
269 {
270 wxMenuItem *item = node->GetData();
271 bool checkItem = (item == this);
272 item->wxMenuItemBase::Check(checkItem);
273 [item->m_cocoaNSMenuItem setState: checkItem?NSOnState:NSOffState];
274 }
275 }
276 else // normal check (non-radio) item
277 {
278 wxMenuItemBase::Check(check);
279 [m_cocoaNSMenuItem setState: check?NSOnState:NSOffState];
280 }
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281}
282
283void wxMenuItem::SetText(const wxString& label)
284{
285 wxMenuItemBase::SetText(label);
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286 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have titles."));
287 [m_cocoaNSMenuItem setTitle: wxNSStringWithWxString(wxStripMenuCodes(label))];
1e85b547 288 CocoaSetKeyEquivalent();
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289}
290
291void wxMenuItem::SetCheckable(bool checkable)
292{
1ee4156a 293 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items cannot be turned into normal menu items."));
fb896a32 294 wxMenuItemBase::SetCheckable(checkable);
1ee4156a 295 // NOTE: Cocoa does not discern between unchecked and normal items
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296}
297
298#endif // wxUSE_MENUS