1/////////////////////////////////////////////////////////////////////////////// 2// Name: src/cocoa/menuitem.mm 3// Purpose: wxMenuItem implementation 4// Author: David Elliott 5// Modified by: 6// Created: 2002/12/15 7// RCS-ID: $Id: menuitem.mm 48107 2007-08-15 16:12:45Z DE $ 8// Copyright: 2002-2004 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#if wxUSE_MENUS 23 24#include "wx/menuitem.h" 25 26#include "wx/cocoa/objc/objc_uniquifying.h" 27 28#ifndef WX_PRECOMP 29 #include "wx/menu.h" 30 #include "wx/utils.h" 31 #include "wx/frame.h" 32 #include "wx/log.h" 33#endif 34 35#include "wx/cocoa/autorelease.h" 36#include "wx/cocoa/string.h" 37 38#import <AppKit/NSMenuItem.h> 39#import <AppKit/NSMenu.h> 40#import <Foundation/NSString.h> 41#import <AppKit/NSCell.h> // NSOnState, NSOffState 42#import <AppKit/NSEvent.h> // modifier key masks 43 44// ---------------------------------------------------------------------------- 45// functions prototypes 46// ---------------------------------------------------------------------------- 47 48// ============================================================================ 49// @class wxNSMenuItemTarget 50// ============================================================================ 51@interface wxNSMenuItemTarget : NSObject 52{ 53} 54 55- (void)wxMenuItemAction: (id)sender; 56- (BOOL)validateMenuItem: (id)menuItem; 57@end //interface wxNSMenuItemTarget 58WX_DECLARE_GET_OBJC_CLASS(wxNSMenuItemTarget,NSObject) 59 60@implementation wxNSMenuItemTarget : NSObject 61 62- (void)wxMenuItemAction: (id)sender 63{ 64 wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction")); 65 wxMenuItem *item = wxMenuItem::GetFromCocoa(sender); 66 wxCHECK_RET(item,wxT("wxMenuItemAction received but no wxMenuItem exists!")); 67 item->CocoaItemSelected(); 68} 69 70- (BOOL)validateMenuItem: (id)menuItem 71{ 72 // TODO: Do wxWidgets validation here and avoid sending during idle time 73 wxLogTrace(wxTRACE_COCOA,wxT("wxMenuItemAction")); 74 wxMenuItem *item = wxMenuItem::GetFromCocoa(menuItem); 75 wxCHECK_MSG(item,NO,wxT("validateMenuItem received but no wxMenuItem exists!")); 76 return item->Cocoa_validateMenuItem(); 77} 78 79@end //implementation wxNSMenuItemTarget 80WX_IMPLEMENT_GET_OBJC_CLASS(wxNSMenuItemTarget,NSObject) 81 82// ============================================================================ 83// wxMenuItemCocoa implementation 84// ============================================================================ 85IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject) 86wxMenuItemCocoaHash wxMenuItemCocoa::sm_cocoaHash; 87 88wxObjcAutoRefFromAlloc<struct objc_object *> wxMenuItemCocoa::sm_cocoaTarget = [[WX_GET_OBJC_CLASS(wxNSMenuItemTarget) alloc] init]; 89 90// ---------------------------------------------------------------------------- 91// wxMenuItemBase 92// ---------------------------------------------------------------------------- 93 94wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu, 95 int itemid, 96 const wxString& name, 97 const wxString& help, 98 wxItemKind kind, 99 wxMenu *subMenu) 100{ 101 return new wxMenuItem(parentMenu, itemid, name, help, kind, subMenu); 102} 103 104/* static */ 105wxString wxMenuItemBase::GetLabelFromText(const wxString& text) 106{ 107 return wxStripMenuCodes(text); 108} 109 110void wxMenuItemCocoa::CocoaSetKeyEquivalent() 111{ 112 wxAcceleratorEntry *accel = GetAccel(); 113 if(!accel) 114 return; 115 116 int accelFlags = accel->GetFlags(); 117 int keyModifierMask = 0; 118 if(accelFlags & wxACCEL_ALT) 119 keyModifierMask |= NSAlternateKeyMask; 120 if(accelFlags & wxACCEL_CTRL) 121 keyModifierMask |= NSCommandKeyMask; 122 int keyCode = accel->GetKeyCode(); 123 if(isalpha(keyCode)) 124 { // For alpha characters use upper/lower rather than NSShiftKeyMask 125 char alphaChar; 126 if(accelFlags & wxACCEL_SHIFT) 127 alphaChar = toupper(keyCode); 128 else 129 alphaChar = tolower(keyCode); 130 [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]]; 131 [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask]; 132 } 133 else 134 { 135 if(accelFlags & wxACCEL_SHIFT) 136 keyModifierMask |= NSShiftKeyMask; 137 if(keyCode < 128) // low ASCII includes backspace/tab/etc. 138 { char alphaChar = keyCode; 139 [m_cocoaNSMenuItem setKeyEquivalent:[NSString stringWithCString:&alphaChar length:1]]; 140 } 141 else 142 { // TODO 143 } 144 [m_cocoaNSMenuItem setKeyEquivalentModifierMask:keyModifierMask]; 145 } 146} 147 148// ---------------------------------------------------------------------------- 149// ctor & dtor 150// ---------------------------------------------------------------------------- 151wxMenuItemCocoa::wxMenuItemCocoa(wxMenu *pParentMenu, 152 int itemid, 153 const wxString& strName, 154 const wxString& strHelp, 155 wxItemKind kind, 156 wxMenu *pSubMenu) 157 : wxMenuItemBase(pParentMenu, itemid, strName, strHelp, kind, pSubMenu) 158{ 159 wxAutoNSAutoreleasePool pool; 160 if(m_kind == wxITEM_SEPARATOR) 161 m_cocoaNSMenuItem = [[NSMenuItem separatorItem] retain]; 162 else 163 { 164 NSString *menuTitle = wxInitNSStringWithWxString([NSString alloc],wxStripMenuCodes(strName)); 165 SEL action; 166 if(pSubMenu) 167 action = nil; 168 else 169 action = @selector(wxMenuItemAction:); 170 m_cocoaNSMenuItem = [[NSMenuItem alloc] initWithTitle:menuTitle action:action keyEquivalent:@""]; 171 sm_cocoaHash.insert(wxMenuItemCocoaHash::value_type(m_cocoaNSMenuItem,this)); 172 if(pSubMenu) 173 { 174 wxASSERT(pSubMenu->GetNSMenu()); 175 [pSubMenu->GetNSMenu() setTitle:menuTitle]; 176 [m_cocoaNSMenuItem setSubmenu:pSubMenu->GetNSMenu()]; 177 } 178 else 179 [m_cocoaNSMenuItem setTarget: sm_cocoaTarget]; 180 [menuTitle release]; 181 CocoaSetKeyEquivalent(); 182 } 183} 184 185wxMenuItem::~wxMenuItem() 186{ 187 sm_cocoaHash.erase(m_cocoaNSMenuItem); 188 [m_cocoaNSMenuItem release]; 189} 190 191void wxMenuItem::CocoaItemSelected() 192{ 193 wxMenu *menu = GetMenu(); 194 wxCHECK_RET(menu,wxT("wxMenuItemAction received but wxMenuItem is not in a wxMenu")); 195 wxMenuBar *menubar = menu->GetMenuBar(); 196 if(menubar) 197 { 198 wxFrame *frame = menubar->GetFrame(); 199 wxCHECK_RET(frame, wxT("wxMenuBar MUST be attached to a wxFrame!")); 200 frame->ProcessCommand(GetId()); 201 } 202 else 203 { 204 if(IsCheckable()) 205 Toggle(); 206 GetMenu()->SendEvent(GetId(), IsCheckable()?IsChecked():-1); 207 } 208} 209 210bool wxMenuItem::Cocoa_validateMenuItem() 211{ 212 // TODO: do more sanity checking 213 // TODO: Do wxWindows validation here and avoid sending during idle time 214 return IsEnabled(); 215} 216 217// ---------------------------------------------------------------------------- 218// misc 219// ---------------------------------------------------------------------------- 220 221void wxMenuItem::SetBitmaps(const wxBitmap& bmpChecked, 222 const wxBitmap& bmpUnchecked) 223{ 224 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have bitmaps.")); 225 wxAutoNSAutoreleasePool pool; 226 m_bmpChecked = bmpChecked; 227 m_bmpUnchecked = bmpUnchecked; 228 if(IsCheckable()) 229 { 230 [m_cocoaNSMenuItem setOnStateImage: bmpChecked.GetNSImage(true)]; 231 [m_cocoaNSMenuItem setOffStateImage: bmpUnchecked.GetNSImage(true)]; 232 } 233 else 234 { 235 wxASSERT_MSG(!bmpUnchecked.Ok(),wxT("Normal menu items should only have one bitmap")); 236 [m_cocoaNSMenuItem setImage: bmpChecked.GetNSImage(true)]; 237 } 238} 239 240// change item state 241// ----------------- 242 243void wxMenuItem::Enable(bool bDoEnable) 244{ 245 wxMenuItemBase::Enable(bDoEnable); 246 // NOTE: Nothing to do, we respond to validateMenuItem instead 247} 248 249void wxMenuItem::Check(bool check) 250{ 251 wxCHECK_RET( IsCheckable(), wxT("only checkable items may be checked") ); 252 if(m_isChecked == check) 253 return; 254 wxAutoNSAutoreleasePool pool; 255 if(GetKind() == wxITEM_RADIO) 256 { 257 // it doesn't make sense to uncheck a radio item - what would this do? 258 if(!check) 259 return; 260 const wxMenuItemList& items = m_parentMenu->GetMenuItems(); 261 // First search backwards for other radio items 262 wxMenuItemList::compatibility_iterator radioStart = items.Find(this); 263 for(wxMenuItemList::compatibility_iterator prevNode = radioStart; 264 prevNode && (prevNode->GetData()->GetKind() == wxITEM_RADIO); 265 prevNode = prevNode->GetPrevious()) 266 { 267 radioStart = prevNode; 268 } 269 // Now starting there set the state of every item until we're 270 // out of radio items to set. 271 for(wxMenuItemList::compatibility_iterator node = radioStart; 272 node && (node->GetData()->GetKind() == wxITEM_RADIO); 273 node = node->GetNext()) 274 { 275 wxMenuItem *item = node->GetData(); 276 bool checkItem = (item == this); 277 item->wxMenuItemBase::Check(checkItem); 278 [item->m_cocoaNSMenuItem setState: checkItem?NSOnState:NSOffState]; 279 } 280 } 281 else // normal check (non-radio) item 282 { 283 wxMenuItemBase::Check(check); 284 [m_cocoaNSMenuItem setState: check?NSOnState:NSOffState]; 285 } 286} 287 288void wxMenuItem::SetText(const wxString& label) 289{ 290 wxMenuItemBase::SetText(label); 291 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items do not have titles.")); 292 [m_cocoaNSMenuItem setTitle: wxNSStringWithWxString(wxStripMenuCodes(label))]; 293 CocoaSetKeyEquivalent(); 294} 295 296void wxMenuItem::SetCheckable(bool checkable) 297{ 298 wxCHECK_RET(m_kind != wxITEM_SEPARATOR, wxT("Separator items cannot be turned into normal menu items.")); 299 wxMenuItemBase::SetCheckable(checkable); 300 // NOTE: Cocoa does not discern between unchecked and normal items 301} 302 303#endif // wxUSE_MENUS 304