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https://github.com/gnustep/libs-gui.git
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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@20342 72102866-910b-0410-8b05-ffd578937521
1562 lines
35 KiB
Objective-C
1562 lines
35 KiB
Objective-C
/** <title>NSMenu</title>
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Copyright (C) 1999 Free Software Foundation, Inc.
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Author: Fred Kiefer <FredKiefer@gmx.de>
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Date: Aug 2001
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Author: David Lazaro Saz <khelekir@encomix.es>
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Date: Oct 1999
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Author: Michael Hanni <mhanni@sprintmail.com>
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Date: 1999
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Author: Felipe A. Rodriguez <far@ix.netcom.com>
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Date: July 1998
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and:
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Author: Ovidiu Predescu <ovidiu@net-community.com>
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Date: May 1997
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This file is part of the GNUstep GUI Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <Foundation/NSCoder.h>
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#include <Foundation/NSArray.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSProcessInfo.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSNotification.h>
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#include "AppKit/NSMatrix.h"
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#include "AppKit/NSApplication.h"
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#include "AppKit/NSWindow.h"
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#include "AppKit/NSEvent.h"
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#include "AppKit/NSFont.h"
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#include "AppKit/NSImage.h"
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#include "AppKit/NSMenu.h"
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#include "AppKit/NSMenuItem.h"
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#include "AppKit/NSMenuView.h"
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#include "AppKit/NSPanel.h"
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#include "AppKit/NSPopUpButton.h"
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#include "AppKit/NSPopUpButtonCell.h"
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#include "AppKit/NSScreen.h"
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#include "AppKit/NSAttributedString.h"
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/*
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Drawing related:
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NSMenu superMenu (if not root menu, the parent meu)
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^
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| +------------------> NSMenuView view (content, draws the menu items)
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| |
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NSMenu +----------+-------> NSMenuPanel A (regular window, torn off window)
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| | `-------> NSMenuPanel B (transient window)
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| |
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| +------------------> NSString title (title)
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v
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NSMenu attachedMenu (the menu that is attached to this one, during navigation)
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+--[NSMenuPanel]------+
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| +-[NSMenuView]----+ |
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| | title if applic | |
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| | +-------------+ | |
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| | | NSMenuItem- | | |
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| | | Cell | | |
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| | +-------------+ | |
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| | . | |
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| | . | |
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| +-----------------+ |
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+---------------------+
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The two windows
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---------------
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Basically we have for a menu two windows, window A and window B.
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Window A is the regular window and Window B is used for transient windows.
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At any one time, the views, like title view, NSMenuView are put either in
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window A or in window B. They are moved over from one window to the oter
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when needed.
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the code is supposed to know when it is using window A or B.
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But it will probably only work correctly when
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window A correspond to _transient == NO
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window B correspond to _transient == YES
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*/
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/* Subclass of NSPanel since menus cannot become key */
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@interface NSMenuPanel : NSPanel
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@end
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@interface NSMenuView (GNUstepPrivate)
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- (NSArray *)_itemCells;
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@end
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static NSZone *menuZone = NULL;
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static NSString *NSMenuLocationsKey = @"NSMenuLocations";
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static NSString *NSEnqueuedMenuMoveName = @"EnqueuedMoveNotificationName";
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static NSNotificationCenter *nc;
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@interface NSMenu (GNUstepPrivate)
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- (NSString *) _locationKey;
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- (NSMenuPanel *) _createWindow;
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- (void) _updateUserDefaults: (id) notification;
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- (void) _rightMouseDisplay: (NSEvent*)theEvent;
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@end
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@implementation NSMenuPanel
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- (BOOL) canBecomeKeyWindow
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{
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/* See [NSWindow-_lossOfKeyOrMainWindow] */
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if (self == (NSMenuPanel *)[[NSApp mainMenu] window])
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return YES;
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return NO;
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}
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@end
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@implementation NSMenu (GNUstepPrivate)
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- (NSString*) _locationKey
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{
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if (_superMenu == nil)
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{
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if ([NSApp mainMenu] == self)
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{
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return @"\033"; /* Root menu. */
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}
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else
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{
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return nil; /* Unused menu. */
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}
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}
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else if (_superMenu->_superMenu == nil)
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{
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return [NSString stringWithFormat: @"\033%@", [self title]];
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}
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else
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{
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return [[_superMenu _locationKey] stringByAppendingFormat: @"\033%@",
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[self title]];
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}
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}
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/* Create a non autorelease window for this menu. */
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- (NSMenuPanel*) _createWindow
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{
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NSMenuPanel *win = [[NSMenuPanel alloc]
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initWithContentRect: NSZeroRect
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styleMask: NSBorderlessWindowMask
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backing: NSBackingStoreBuffered
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defer: YES];
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[win setLevel: NSSubmenuWindowLevel];
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[win setWorksWhenModal: NO];
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[win setBecomesKeyOnlyIfNeeded: YES];
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return win;
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}
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/**
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Will track the mouse movement. It will trigger the updating of the user
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defaults in due time.
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*/
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- (void) _menuMoved: (id) notification
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{
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NSNotification *resend;
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resend = [NSNotification notificationWithName: NSEnqueuedMenuMoveName
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object: self];
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[[NSNotificationQueue defaultQueue]
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enqueueNotification: resend
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postingStyle: NSPostASAP
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coalesceMask: NSNotificationCoalescingOnSender
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forModes: [NSArray arrayWithObject: NSDefaultRunLoopMode]];
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}
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/**
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Save the current menu position in the standard user defaults
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*/
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- (void) _updateUserDefaults: (id) notification
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{
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NSString *key;
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NSDebugLLog (@"NSMenu", @"Synchronizing user defaults");
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key = [self _locationKey];
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if (key != nil)
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{
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NSUserDefaults *defaults;
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NSMutableDictionary *menuLocations;
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NSString *locString;
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defaults = [NSUserDefaults standardUserDefaults];
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menuLocations = [defaults objectForKey: NSMenuLocationsKey];
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if ([menuLocations isKindOfClass: [NSDictionary class]])
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menuLocations = [menuLocations mutableCopy];
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else
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menuLocations = nil;
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if ([_aWindow isVisible]
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&& ([self isTornOff] || ([NSApp mainMenu] == self)))
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{
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if (menuLocations == nil)
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{
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menuLocations = AUTORELEASE([[NSMutableDictionary alloc]
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initWithCapacity: 2]);
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}
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locString = [[self window] stringWithSavedFrame];
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[menuLocations setObject: locString forKey: key];
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}
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else
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{
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[menuLocations removeObjectForKey: key];
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}
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if ([menuLocations count] > 0)
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{
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[defaults setObject: menuLocations forKey: NSMenuLocationsKey];
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}
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else
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{
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[defaults removeObjectForKey: NSMenuLocationsKey];
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}
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[defaults synchronize];
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}
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}
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- (void) _rightMouseDisplay: (NSEvent*)theEvent
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{
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[self displayTransient];
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[_view mouseDown: theEvent];
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[self closeTransient];
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}
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@end
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@implementation NSMenu
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/*
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* Class Methods
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*/
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+ (void) initialize
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{
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if (self == [NSMenu class])
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{
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[self setVersion: 1];
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nc = [NSNotificationCenter defaultCenter];
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menuZone = NSCreateZone(0, 0, YES);
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}
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}
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+ (void) setMenuZone: (NSZone*)zone
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{
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menuZone = zone;
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}
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+ (NSZone*) menuZone
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{
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return menuZone;
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}
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/*
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*
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*/
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- (id) init
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{
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return [self initWithTitle: [[NSProcessInfo processInfo] processName]];
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}
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- (void) dealloc
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{
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[nc removeObserver: self];
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// Now clean the pointer to us stored each _items element
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[_items makeObjectsPerformSelector: @selector(setMenu:) withObject: nil];
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RELEASE(_notifications);
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RELEASE(_title);
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RELEASE(_items);
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[_view setMenu: nil];
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RELEASE(_view);
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RELEASE(_aWindow);
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RELEASE(_bWindow);
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[super dealloc];
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}
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/*
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*/
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- (id) initWithTitle: (NSString*)aTitle
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{
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NSMenuView *menuRep;
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[super init];
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// Keep the title.
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ASSIGN(_title, aTitle);
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// Create an array to store our menu items.
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_items = [[NSMutableArray alloc] init];
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_changedMessagesEnabled = YES;
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_notifications = [[NSMutableArray alloc] init];
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_needsSizing = YES;
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// According to the spec, menus do autoenable by default.
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_autoenable = YES;
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/* Please note that we own all this menu network of objects. So,
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none of these objects should be retaining us. When we are deallocated,
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we release all the objects we own, and that should cause deallocation
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of the whole menu network. */
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// Create the windows that will display the menu.
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_aWindow = [self _createWindow];
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_bWindow = [self _createWindow];
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[_bWindow setLevel: NSPopUpMenuWindowLevel];
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// Create a NSMenuView to draw our menu items.
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menuRep = [[NSMenuView alloc] initWithFrame: NSZeroRect];
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[self setMenuRepresentation: menuRep];
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RELEASE(menuRep);
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/* Set up the notification to start the process of redisplaying
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the menus where the user left them the last time.
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Use NSApplicationDidFinishLaunching, and not
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NSApplicationWillFinishLaunching, so that the programmer can set
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up menus in NSApplicationWillFinishLaunching.
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*/
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[nc addObserver: self
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selector: @selector(_showTornOffMenuIfAny:)
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name: NSApplicationDidFinishLaunchingNotification
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object: NSApp];
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[nc addObserver: self
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selector: @selector(_showOnActivateApp:)
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name: NSApplicationWillBecomeActiveNotification
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object: NSApp];
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[nc addObserver: self
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selector: @selector (_menuMoved:)
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name: NSWindowDidMoveNotification
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object: _aWindow];
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[nc addObserver: self
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selector: @selector (_updateUserDefaults:)
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name: NSEnqueuedMenuMoveName
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object: self];
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return self;
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}
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/*
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* Setting Up the Menu Commands
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*/
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- (void) insertItem: (id <NSMenuItem>)newItem
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atIndex: (int)index
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{
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NSNotification *inserted;
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NSDictionary *d;
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if (![(id)newItem conformsToProtocol: @protocol(NSMenuItem)])
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{
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NSLog(@"You must use an object that conforms to NSMenuItem.\n");
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return;
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}
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/*
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* If the item is already attached to another menu it
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* isn't added.
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*/
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if ([newItem menu] != nil)
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{
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NSLog(@"The object %@ is already attached to a menu, then it isn't possible to add it.\n", newItem);
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return;
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}
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[_items insertObject: newItem atIndex: index];
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_needsSizing = YES;
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// Create the notification for the menu representation.
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d = [NSDictionary
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dictionaryWithObject: [NSNumber numberWithInt: index]
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forKey: @"NSMenuItemIndex"];
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inserted = [NSNotification
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notificationWithName: NSMenuDidAddItemNotification
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object: self
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userInfo: d];
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if (_changedMessagesEnabled)
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[nc postNotification: inserted];
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else
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[_notifications addObject: inserted];
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// Set this after the insert notification has been send.
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[newItem setMenu: self];
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}
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- (id <NSMenuItem>) insertItemWithTitle: (NSString*)aString
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action: (SEL)aSelector
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keyEquivalent: (NSString*)charCode
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atIndex: (unsigned int)index
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{
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NSMenuItem *anItem = [[NSMenuItem alloc] initWithTitle: aString
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action: aSelector
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keyEquivalent: charCode];
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// Insert the new item into the menu.
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[self insertItem: anItem atIndex: index];
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// For returns sake.
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return AUTORELEASE(anItem);
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}
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- (void) addItem: (id <NSMenuItem>)newItem
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{
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[self insertItem: newItem atIndex: [_items count]];
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}
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- (id <NSMenuItem>) addItemWithTitle: (NSString*)aString
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action: (SEL)aSelector
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keyEquivalent: (NSString*)keyEquiv
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{
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return [self insertItemWithTitle: aString
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action: aSelector
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keyEquivalent: keyEquiv
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atIndex: [_items count]];
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}
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- (void) removeItem: (id <NSMenuItem>)anItem
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{
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int index = [self indexOfItem: anItem];
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if (-1 == index)
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return;
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[self removeItemAtIndex: index];
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}
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- (void) removeItemAtIndex: (int)index
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{
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NSNotification *removed;
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NSDictionary *d;
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id anItem = [_items objectAtIndex: index];
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if (!anItem)
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return;
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[anItem setMenu: nil];
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[_items removeObjectAtIndex: index];
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_needsSizing = YES;
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d = [NSDictionary dictionaryWithObject: [NSNumber numberWithInt: index]
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forKey: @"NSMenuItemIndex"];
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removed = [NSNotification
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notificationWithName: NSMenuDidRemoveItemNotification
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object: self
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userInfo: d];
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if (_changedMessagesEnabled)
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[nc postNotification: removed];
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else
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[_notifications addObject: removed];
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}
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- (void) itemChanged: (id <NSMenuItem>)anObject
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{
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NSNotification *changed;
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NSDictionary *d;
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int index = [self indexOfItem: anObject];
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if (-1 == index)
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return;
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_needsSizing = YES;
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d = [NSDictionary dictionaryWithObject: [NSNumber numberWithInt: index]
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forKey: @"NSMenuItemIndex"];
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changed = [NSNotification
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notificationWithName: NSMenuDidChangeItemNotification
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object: self
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userInfo: d];
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if (_changedMessagesEnabled)
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[nc postNotification: changed];
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else
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[_notifications addObject: changed];
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// Update the menu.
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[self update];
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}
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/*
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* Finding Menu Items
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*/
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- (id <NSMenuItem>) itemWithTag: (int)aTag
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{
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unsigned i;
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unsigned count = [_items count];
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for (i = 0; i < count; i++)
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{
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id menuItem = [_items objectAtIndex: i];
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if ([menuItem tag] == aTag)
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return menuItem;
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}
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return nil;
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}
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- (id <NSMenuItem>) itemWithTitle: (NSString*)aString
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{
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unsigned i;
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unsigned count = [_items count];
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for (i = 0; i < count; i++)
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{
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id menuItem = [_items objectAtIndex: i];
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if ([[menuItem title] isEqualToString: aString])
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return menuItem;
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}
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return nil;
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}
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- (id <NSMenuItem>) itemAtIndex: (int)index
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{
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if (index >= (int)[_items count] || index < 0)
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[NSException raise: NSRangeException
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format: @"Range error in method -itemAtIndex: "];
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return [_items objectAtIndex: index];
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}
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- (int) numberOfItems
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{
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return [_items count];
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}
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- (NSArray*) itemArray
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{
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return (NSArray*)_items;
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}
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/*
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* Finding Indices of Menu Items
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*/
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- (int) indexOfItem: (id <NSMenuItem>)anObject
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{
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int index;
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index = [_items indexOfObjectIdenticalTo: anObject];
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if (index == NSNotFound)
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return -1;
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else
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return index;
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}
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- (int) indexOfItemWithTitle: (NSString*)aTitle
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{
|
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id anItem;
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if ((anItem = [self itemWithTitle: aTitle]))
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return [_items indexOfObjectIdenticalTo: anItem];
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else
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return -1;
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}
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- (int) indexOfItemWithTag: (int)aTag
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{
|
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id anItem;
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|
|
|
if ((anItem = [self itemWithTag: aTag]))
|
|
return [_items indexOfObjectIdenticalTo: anItem];
|
|
else
|
|
return -1;
|
|
}
|
|
|
|
- (int) indexOfItemWithTarget: (id)anObject
|
|
andAction: (SEL)actionSelector
|
|
{
|
|
unsigned i;
|
|
unsigned count = [_items count];
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
NSMenuItem *menuItem = [_items objectAtIndex: i];
|
|
|
|
if (actionSelector == 0 || sel_eq([menuItem action], actionSelector))
|
|
{
|
|
if ([[menuItem target] isEqual: anObject])
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
- (int) indexOfItemWithRepresentedObject: (id)anObject
|
|
{
|
|
int i, count = [_items count];
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if ([[[_items objectAtIndex: i] representedObject]
|
|
isEqual: anObject])
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
- (int) indexOfItemWithSubmenu: (NSMenu *)anObject
|
|
{
|
|
int i, count = [_items count];
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
id item = [_items objectAtIndex: i];
|
|
|
|
if ([item hasSubmenu] &&
|
|
[[item submenu] isEqual: anObject])
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
//
|
|
// Managing Submenus.
|
|
//
|
|
- (void) setSubmenu: (NSMenu *)aMenu
|
|
forItem: (id <NSMenuItem>)anItem
|
|
{
|
|
[anItem setSubmenu: aMenu];
|
|
}
|
|
|
|
- (void) submenuAction: (id)sender
|
|
{
|
|
}
|
|
|
|
|
|
- (NSMenu *) attachedMenu
|
|
{
|
|
if (_attachedMenu && _transient
|
|
&& !_attachedMenu->_transient)
|
|
return nil;
|
|
|
|
return _attachedMenu;
|
|
}
|
|
|
|
|
|
/**
|
|
Look for the semantics in the header. Note that
|
|
this implementation works because there are ... cases:
|
|
<enum>
|
|
<item>
|
|
This menu is transient, its supermenu is also transient.
|
|
In this case we just do the check between the transient windows
|
|
and everything is fine
|
|
</item>
|
|
<item>
|
|
The menu is transient, its supermenu is not transient.
|
|
This can go WRONG
|
|
</item>
|
|
</enum>
|
|
*/
|
|
- (BOOL) isAttached
|
|
{
|
|
return _superMenu && [_superMenu attachedMenu] == self;
|
|
}
|
|
|
|
- (BOOL) isTornOff
|
|
{
|
|
return _is_tornoff;
|
|
}
|
|
|
|
- (NSPoint) locationForSubmenu: (NSMenu*)aSubmenu
|
|
{
|
|
return [_view locationForSubmenu: aSubmenu];
|
|
}
|
|
|
|
- (NSMenu *) supermenu
|
|
{
|
|
return _superMenu;
|
|
}
|
|
|
|
- (void) setSupermenu: (NSMenu *)supermenu
|
|
{
|
|
/* The supermenu retains us (indirectly). Do not retain it. */
|
|
_superMenu = supermenu;
|
|
}
|
|
|
|
//
|
|
// Enabling and Disabling Menu Items
|
|
//
|
|
- (void) setAutoenablesItems: (BOOL)flag
|
|
{
|
|
_autoenable = flag;
|
|
}
|
|
|
|
- (BOOL) autoenablesItems
|
|
{
|
|
return _autoenable;
|
|
}
|
|
|
|
- (void) update
|
|
{
|
|
// We use this as a recursion check.
|
|
if (!_changedMessagesEnabled)
|
|
return;
|
|
|
|
if ([self autoenablesItems])
|
|
{
|
|
unsigned i, count;
|
|
|
|
count = [_items count];
|
|
|
|
// Temporary disable automatic displaying of menu.
|
|
[self setMenuChangedMessagesEnabled: NO];
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
NSMenuItem *item = [_items objectAtIndex: i];
|
|
SEL action = [item action];
|
|
id validator = nil;
|
|
BOOL wasEnabled = [item isEnabled];
|
|
BOOL shouldBeEnabled;
|
|
|
|
// Update the submenu items if any.
|
|
if ([item hasSubmenu])
|
|
[[item submenu] update];
|
|
|
|
// If there is no action - there can be no validator for the item.
|
|
if (action)
|
|
{
|
|
validator = [NSApp targetForAction: action
|
|
to: [item target]
|
|
from: item];
|
|
}
|
|
else if (_popUpButtonCell != nil)
|
|
{
|
|
if (NULL != (action = [_popUpButtonCell action]))
|
|
{
|
|
validator = [NSApp targetForAction: action
|
|
to: [_popUpButtonCell target]
|
|
from: [_popUpButtonCell controlView]];
|
|
}
|
|
}
|
|
|
|
if (validator == nil)
|
|
{
|
|
if ((action == NULL) && (_popUpButtonCell != nil))
|
|
{
|
|
shouldBeEnabled = YES;
|
|
}
|
|
else
|
|
{
|
|
shouldBeEnabled = NO;
|
|
}
|
|
}
|
|
else if ([validator
|
|
respondsToSelector: @selector(validateMenuItem:)])
|
|
{
|
|
shouldBeEnabled = [validator validateMenuItem: item];
|
|
}
|
|
else
|
|
{
|
|
shouldBeEnabled = YES;
|
|
}
|
|
|
|
if (shouldBeEnabled != wasEnabled)
|
|
{
|
|
[item setEnabled: shouldBeEnabled];
|
|
}
|
|
}
|
|
|
|
// Reenable displaying of menus
|
|
[self setMenuChangedMessagesEnabled: YES];
|
|
}
|
|
|
|
if (_needsSizing && ([_aWindow isVisible] || [_bWindow isVisible]))
|
|
{
|
|
NSDebugLLog (@"NSMenu", @" Calling Size To Fit (A)");
|
|
[self sizeToFit];
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
//
|
|
// Handling Keyboard Equivalents
|
|
//
|
|
- (BOOL) performKeyEquivalent: (NSEvent*)theEvent
|
|
{
|
|
unsigned i;
|
|
unsigned count = [_items count];
|
|
NSEventType type = [theEvent type];
|
|
|
|
if (type != NSKeyDown && type != NSKeyUp)
|
|
return NO;
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
NSMenuItem *item = [_items objectAtIndex: i];
|
|
|
|
if ([item hasSubmenu])
|
|
{
|
|
// FIXME: Should we only check active submenus?
|
|
// Recurse through submenus.
|
|
if ([[item submenu] performKeyEquivalent: theEvent])
|
|
{
|
|
// The event has been handled by an item in the submenu.
|
|
return YES;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// FIXME: Should also check the modifier mask
|
|
if ([[item keyEquivalent] isEqualToString:
|
|
[theEvent charactersIgnoringModifiers]])
|
|
{
|
|
if ([item isEnabled])
|
|
{
|
|
[_view performActionWithHighlightingForItemAtIndex: i];
|
|
}
|
|
return YES;
|
|
}
|
|
}
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
//
|
|
// Simulating Mouse Clicks
|
|
//
|
|
- (void) performActionForItemAtIndex: (int)index
|
|
{
|
|
id<NSMenuItem> item = [_items objectAtIndex: index];
|
|
NSDictionary *d;
|
|
SEL action;
|
|
|
|
if (![item isEnabled])
|
|
return;
|
|
|
|
// Send the actual action and the estipulated notifications.
|
|
d = [NSDictionary dictionaryWithObject: item forKey: @"MenuItem"];
|
|
[nc postNotificationName: NSMenuWillSendActionNotification
|
|
object: self
|
|
userInfo: d];
|
|
|
|
|
|
if (_popUpButtonCell != nil)
|
|
{
|
|
// Tell the popup button, which item was selected
|
|
[_popUpButtonCell selectItemAtIndex: index];
|
|
}
|
|
|
|
if ((action = [item action]) != NULL)
|
|
{
|
|
[NSApp sendAction: action
|
|
to: [item target]
|
|
from: item];
|
|
}
|
|
else if (_popUpButtonCell != nil)
|
|
{
|
|
if ((action = [_popUpButtonCell action]) != NULL)
|
|
[NSApp sendAction: action
|
|
to: [_popUpButtonCell target]
|
|
from: [_popUpButtonCell controlView]];
|
|
}
|
|
|
|
[nc postNotificationName: NSMenuDidSendActionNotification
|
|
object: self
|
|
userInfo: d];
|
|
}
|
|
|
|
//
|
|
// Setting the Title
|
|
//
|
|
- (void) setTitle: (NSString*)aTitle
|
|
{
|
|
ASSIGN(_title, aTitle);
|
|
|
|
_needsSizing = YES;
|
|
if ([_aWindow isVisible] || [_bWindow isVisible])
|
|
{
|
|
[self sizeToFit];
|
|
}
|
|
}
|
|
|
|
- (NSString*) title
|
|
{
|
|
return _title;
|
|
}
|
|
|
|
//
|
|
// Setting the Representing Object
|
|
//
|
|
- (void) setMenuRepresentation: (id)menuRep
|
|
{
|
|
NSView *contentView;
|
|
|
|
if (![menuRep isKindOfClass: [NSMenuView class]])
|
|
{
|
|
NSLog(@"You must use an NSMenuView, or a derivative thereof.\n");
|
|
return;
|
|
}
|
|
|
|
if (_view == menuRep)
|
|
{
|
|
return;
|
|
}
|
|
|
|
contentView = [_aWindow contentView];
|
|
if (_view != nil)
|
|
{
|
|
// remove the old representation
|
|
[contentView removeSubview: _view];
|
|
[_view setMenu: nil];
|
|
}
|
|
|
|
ASSIGN(_view, menuRep);
|
|
[_view setMenu: self];
|
|
|
|
// add the new representation
|
|
[contentView addSubview: _view];
|
|
}
|
|
|
|
- (id) menuRepresentation
|
|
{
|
|
return _view;
|
|
}
|
|
|
|
//
|
|
// Updating the Menu Layout
|
|
//
|
|
// Wim 20030301: Question, what happens when the notification trigger
|
|
// new notifications? I think it is not allowed to add items
|
|
// to the _notifications array while enumerating it.
|
|
- (void) setMenuChangedMessagesEnabled: (BOOL)flag
|
|
{
|
|
if (_changedMessagesEnabled != flag)
|
|
{
|
|
if (flag)
|
|
{
|
|
if ([_notifications count])
|
|
{
|
|
NSEnumerator *enumerator = [_notifications objectEnumerator];
|
|
id aNotification;
|
|
|
|
while ((aNotification = [enumerator nextObject]))
|
|
[nc postNotification: aNotification];
|
|
}
|
|
|
|
// Clean the notification array.
|
|
[_notifications removeAllObjects];
|
|
}
|
|
|
|
_changedMessagesEnabled = flag;
|
|
}
|
|
}
|
|
|
|
- (BOOL) menuChangedMessagesEnabled
|
|
{
|
|
return _changedMessagesEnabled;
|
|
}
|
|
|
|
- (void) sizeToFit
|
|
{
|
|
NSRect oldWindowFrame;
|
|
NSRect newWindowFrame;
|
|
NSRect menuFrame;
|
|
NSSize size;
|
|
|
|
[_view sizeToFit];
|
|
|
|
menuFrame = [_view frame];
|
|
size = menuFrame.size;
|
|
|
|
// Main
|
|
oldWindowFrame = [_aWindow frame];
|
|
newWindowFrame = [NSWindow frameRectForContentRect: menuFrame
|
|
styleMask: [_aWindow styleMask]];
|
|
|
|
if (oldWindowFrame.size.height > 1)
|
|
{
|
|
newWindowFrame.origin = NSMakePoint (oldWindowFrame.origin.x,
|
|
oldWindowFrame.origin.y
|
|
+ oldWindowFrame.size.height
|
|
- newWindowFrame.size.height);
|
|
}
|
|
[_aWindow setFrame: newWindowFrame display: NO];
|
|
|
|
// Transient
|
|
oldWindowFrame = [_bWindow frame];
|
|
newWindowFrame = [NSWindow frameRectForContentRect: menuFrame
|
|
styleMask: [_bWindow styleMask]];
|
|
if (oldWindowFrame.size.height > 1)
|
|
{
|
|
newWindowFrame.origin = NSMakePoint (oldWindowFrame.origin.x,
|
|
oldWindowFrame.origin.y
|
|
+ oldWindowFrame.size.height
|
|
- newWindowFrame.size.height);
|
|
}
|
|
[_bWindow setFrame: newWindowFrame display: NO];
|
|
|
|
if (_popUpButtonCell == nil)
|
|
{
|
|
[_view setFrameOrigin: NSMakePoint (0, 0)];
|
|
}
|
|
|
|
[_view setNeedsDisplay: YES];
|
|
|
|
_needsSizing = NO;
|
|
}
|
|
|
|
/*
|
|
* Displaying Context Sensitive Help
|
|
*/
|
|
- (void) helpRequested: (NSEvent *)event
|
|
{
|
|
// TODO: Won't be implemented until we have NSHelp*
|
|
}
|
|
|
|
+ (void) popUpContextMenu: (NSMenu*)menu
|
|
withEvent: (NSEvent*)event
|
|
forView: (NSView*)view
|
|
{
|
|
[menu _rightMouseDisplay: event];
|
|
}
|
|
|
|
/*
|
|
* NSObject Protocol
|
|
*/
|
|
- (BOOL) isEqual: (id)anObject
|
|
{
|
|
if (self == anObject)
|
|
return YES;
|
|
if ([anObject isKindOfClass: [NSMenu class]])
|
|
{
|
|
if (![_title isEqualToString: [anObject title]])
|
|
return NO;
|
|
return [[self itemArray] isEqual: [anObject itemArray]];
|
|
}
|
|
return NO;
|
|
}
|
|
|
|
/*
|
|
* NSCoding Protocol
|
|
*/
|
|
- (void) encodeWithCoder: (NSCoder*)encoder
|
|
{
|
|
[encoder encodeObject: _title];
|
|
[encoder encodeObject: _items];
|
|
[encoder encodeValueOfObjCType: @encode(BOOL) at: &_autoenable];
|
|
}
|
|
|
|
- (id) initWithCoder: (NSCoder*)aDecoder
|
|
{
|
|
NSString *dTitle;
|
|
NSArray *dItems;
|
|
BOOL dAuto;
|
|
unsigned i;
|
|
|
|
if ([aDecoder allowsKeyedCoding])
|
|
{
|
|
dAuto = YES;
|
|
dTitle = [aDecoder decodeObjectForKey: @"NSTitle"];
|
|
dItems = [aDecoder decodeObjectForKey: @"NSMenuItems"];
|
|
}
|
|
else
|
|
{
|
|
dTitle = [aDecoder decodeObject];
|
|
dItems = [aDecoder decodeObject];
|
|
[aDecoder decodeValueOfObjCType: @encode(BOOL) at: &dAuto];
|
|
}
|
|
self = [self initWithTitle: dTitle];
|
|
[self setAutoenablesItems: dAuto];
|
|
|
|
[self setMenuChangedMessagesEnabled: NO];
|
|
/*
|
|
* Make sure that items and submenus are set correctly.
|
|
*/
|
|
for (i = 0; i < [dItems count]; i++)
|
|
{
|
|
NSMenuItem *item = [dItems objectAtIndex: i];
|
|
NSMenu *sub = [item submenu];
|
|
|
|
[self addItem: item];
|
|
// FIXME: We propably don't need this, as all the fields are
|
|
// already set up for the submenu item.
|
|
if (sub != nil)
|
|
{
|
|
[sub setSupermenu: nil];
|
|
[self setSubmenu: sub forItem: item];
|
|
}
|
|
}
|
|
[self setMenuChangedMessagesEnabled: YES];
|
|
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* NSCopying Protocol
|
|
*/
|
|
- (id) copyWithZone: (NSZone*)zone
|
|
{
|
|
NSMenu *new = [[NSMenu allocWithZone: zone] initWithTitle: _title];
|
|
unsigned i;
|
|
unsigned count = [_items count];
|
|
|
|
[new setAutoenablesItems: _autoenable];
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
// This works because the copy on NSMenuItem sets the menu to nil!!!
|
|
[new insertItem: [[_items objectAtIndex: i] copyWithZone: zone]
|
|
atIndex: i];
|
|
}
|
|
|
|
return new;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation NSMenu (GNUstepExtra)
|
|
|
|
#define IS_OFFSCREEN(WINDOW) \
|
|
!(NSContainsRect([[NSScreen mainScreen] frame], [WINDOW frame]))
|
|
|
|
- (void) setTornOff: (BOOL)flag
|
|
{
|
|
NSMenu *supermenu;
|
|
|
|
_is_tornoff = flag;
|
|
|
|
if (flag)
|
|
{
|
|
supermenu = [self supermenu];
|
|
if (supermenu != nil)
|
|
{
|
|
[[supermenu menuRepresentation] setHighlightedItemIndex: -1];
|
|
supermenu->_attachedMenu = nil;
|
|
}
|
|
}
|
|
[_view update];
|
|
}
|
|
|
|
- (void) _showTornOffMenuIfAny: (NSNotification*)notification
|
|
{
|
|
if ([NSApp mainMenu] != self)
|
|
{
|
|
NSString *key;
|
|
|
|
key = [self _locationKey];
|
|
if (key != nil)
|
|
{
|
|
NSString *location;
|
|
NSUserDefaults *defaults;
|
|
NSDictionary *menuLocations;
|
|
|
|
defaults = [NSUserDefaults standardUserDefaults];
|
|
menuLocations = [defaults objectForKey: NSMenuLocationsKey];
|
|
|
|
if ([menuLocations isKindOfClass: [NSDictionary class]])
|
|
location = [menuLocations objectForKey: key];
|
|
else
|
|
location = nil;
|
|
if (location && [location isKindOfClass: [NSString class]])
|
|
{
|
|
[self setTornOff: YES];
|
|
[self display];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
- (void) _showOnActivateApp: (NSNotification*)notification
|
|
{
|
|
if ([NSApp mainMenu] == self)
|
|
{
|
|
[self display];
|
|
// we must make sure that any attached submenu is visible too.
|
|
[[self attachedMenu] display];
|
|
}
|
|
}
|
|
|
|
- (BOOL) isTransient
|
|
{
|
|
return _transient;
|
|
}
|
|
|
|
- (BOOL) isPartlyOffScreen
|
|
{
|
|
return IS_OFFSCREEN ([self window]);
|
|
}
|
|
|
|
- (void) _performMenuClose: (id)sender
|
|
{
|
|
if (_attachedMenu)
|
|
[_view detachSubmenu];
|
|
|
|
[_view setHighlightedItemIndex: -1];
|
|
[self close];
|
|
[self setTornOff: NO];
|
|
[self _updateUserDefaults: nil];
|
|
}
|
|
|
|
- (void) display
|
|
{
|
|
if (_transient)
|
|
{
|
|
NSDebugLLog (@"NSMenu",
|
|
@"trying to display while alreay displayed transient");
|
|
}
|
|
|
|
if (_needsSizing)
|
|
{
|
|
[self sizeToFit];
|
|
}
|
|
|
|
if (_superMenu && ![self isTornOff])
|
|
{
|
|
// query super menu for position
|
|
[_aWindow setFrameOrigin: [_superMenu locationForSubmenu: self]];
|
|
_superMenu->_attachedMenu = self;
|
|
}
|
|
else if ([_aWindow frame].origin.y <= 0
|
|
&& _popUpButtonCell == nil) // get geometry only if not set
|
|
{
|
|
[self setGeometry];
|
|
}
|
|
|
|
NSDebugLLog (@"NSMenu",
|
|
@"Display, origin: %@",
|
|
NSStringFromPoint ([_aWindow frame].origin));
|
|
|
|
[_aWindow orderFrontRegardless];
|
|
}
|
|
|
|
- (void) displayTransient
|
|
{
|
|
NSPoint location;
|
|
NSView *contentView;
|
|
|
|
if (_transient)
|
|
{
|
|
NSDebugLLog (@"NSMenu", @"displaying transient while it is transient");
|
|
return;
|
|
}
|
|
|
|
if (_needsSizing)
|
|
{
|
|
[self sizeToFit];
|
|
}
|
|
|
|
_oldHiglightedIndex = [[self menuRepresentation] highlightedItemIndex];
|
|
_transient = YES;
|
|
|
|
/*
|
|
* Cache the old submenu if any and query the supermenu our position.
|
|
* Otherwise, raise menu under the mouse.
|
|
*/
|
|
if (_superMenu != nil)
|
|
{
|
|
_oldAttachedMenu = _superMenu->_attachedMenu;
|
|
_superMenu->_attachedMenu = self;
|
|
location = [_superMenu locationForSubmenu: self];
|
|
}
|
|
else
|
|
{
|
|
NSRect frame = [_aWindow frame];
|
|
|
|
location = [_aWindow mouseLocationOutsideOfEventStream];
|
|
location = [_aWindow convertBaseToScreen: location];
|
|
location.x -= frame.size.width/2;
|
|
if (location.x < 0)
|
|
location.x = 0;
|
|
location.y -= frame.size.height - 10;
|
|
}
|
|
|
|
[_bWindow setFrameOrigin: location];
|
|
|
|
[_view removeFromSuperviewWithoutNeedingDisplay];
|
|
|
|
contentView = [_bWindow contentView];
|
|
[contentView addSubview: _view];
|
|
|
|
[_view update];
|
|
|
|
[_bWindow orderFront: self];
|
|
}
|
|
|
|
- (void) setGeometry
|
|
{
|
|
NSString *key;
|
|
NSUserDefaults *defaults;
|
|
NSDictionary *menuLocations;
|
|
NSString *location;
|
|
|
|
NSPoint origin;
|
|
NSScanner *scanner;
|
|
int value;
|
|
|
|
origin = NSMakePoint (0, [[NSScreen mainScreen] frame].size.height
|
|
- [_aWindow frame].size.height);
|
|
|
|
if (nil != (key = [self _locationKey]))
|
|
{
|
|
defaults = [NSUserDefaults standardUserDefaults];
|
|
menuLocations = [defaults objectForKey: NSMenuLocationsKey];
|
|
|
|
if ([menuLocations isKindOfClass: [NSDictionary class]])
|
|
location = [menuLocations objectForKey: key];
|
|
else
|
|
location = nil;
|
|
|
|
if (location && [location isKindOfClass: [NSString class]])
|
|
{
|
|
scanner = [NSScanner scannerWithString: location];
|
|
[scanner scanInt: &value];
|
|
origin.x = value;
|
|
[scanner scanInt: &value];
|
|
origin.y = value;
|
|
}
|
|
}
|
|
|
|
[_aWindow setFrameOrigin: origin];
|
|
[_bWindow setFrameOrigin: origin];
|
|
}
|
|
|
|
- (void) close
|
|
{
|
|
NSMenu *sub = [self attachedMenu];
|
|
|
|
|
|
if (_transient)
|
|
{
|
|
NSDebugLLog (@"NSMenu", @"We should not close ordinary menu while transient version is still open");
|
|
}
|
|
|
|
/*
|
|
* If we have an attached submenu, we must close that too - but then make
|
|
* sure we still have a record of it so that it can be re-displayed if we
|
|
* are redisplayed.
|
|
*/
|
|
if (sub != nil)
|
|
{
|
|
[sub close];
|
|
_attachedMenu = sub;
|
|
}
|
|
[_aWindow orderOut: self];
|
|
|
|
if (_superMenu && ![self isTornOff])
|
|
{
|
|
_superMenu->_attachedMenu = nil;
|
|
[[_superMenu menuRepresentation] setHighlightedItemIndex: -1];
|
|
}
|
|
}
|
|
|
|
- (void) closeTransient
|
|
{
|
|
NSView *contentView;
|
|
|
|
if (_transient == NO)
|
|
{
|
|
NSDebugLLog (@"NSMenu",
|
|
@"Closing transient: %@ while it is NOT transient now", _title);
|
|
return;
|
|
}
|
|
|
|
[_bWindow orderOut: self];
|
|
[_view removeFromSuperviewWithoutNeedingDisplay];
|
|
|
|
contentView = [_aWindow contentView];
|
|
[contentView addSubview: _view];
|
|
|
|
[contentView setNeedsDisplay: YES];
|
|
|
|
// Restore the old submenu (if any).
|
|
if (_superMenu != nil)
|
|
{
|
|
_superMenu->_attachedMenu = _oldAttachedMenu;
|
|
[[_superMenu menuRepresentation] setHighlightedItemIndex:
|
|
[_superMenu indexOfItemWithSubmenu: _superMenu->_attachedMenu]];
|
|
}
|
|
|
|
[[self menuRepresentation] setHighlightedItemIndex: _oldHiglightedIndex];
|
|
|
|
_transient = NO;
|
|
[_view update];
|
|
}
|
|
|
|
- (NSWindow*) window
|
|
{
|
|
if (_transient)
|
|
return (NSWindow *)_bWindow;
|
|
else
|
|
return (NSWindow *)_aWindow;
|
|
}
|
|
|
|
- (void) setMain: (BOOL)isMain
|
|
{
|
|
if (isMain)
|
|
{
|
|
// Set the title of the window.
|
|
// This wont be displayed, but the window manager may need it.
|
|
[[self window] setTitle: [[NSProcessInfo processInfo] processName]];
|
|
[[self window] setLevel: NSMainMenuWindowLevel];
|
|
[self setGeometry];
|
|
|
|
if ([NSApp isActive])
|
|
{
|
|
[self display];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
[self close];
|
|
[[self window] setLevel: NSSubmenuWindowLevel];
|
|
}
|
|
}
|
|
|
|
/**
|
|
Set the frame origin of the receiver to aPoint. If a submenu of
|
|
the receiver is attached. The frame origin of the submenu is set
|
|
appropriately.
|
|
*/
|
|
- (void) nestedSetFrameOrigin: (NSPoint) aPoint
|
|
{
|
|
NSWindow *theWindow = [self window];
|
|
|
|
// Move ourself and get our width.
|
|
[theWindow setFrameOrigin: aPoint];
|
|
|
|
// Do the same for attached menus.
|
|
if (_attachedMenu)
|
|
{
|
|
aPoint = [self locationForSubmenu: _attachedMenu];
|
|
[_attachedMenu nestedSetFrameOrigin: aPoint];
|
|
}
|
|
}
|
|
|
|
#define SHIFT_DELTA 18.0
|
|
|
|
- (void) shiftOnScreen
|
|
{
|
|
NSWindow *theWindow = _transient ? _bWindow : _aWindow;
|
|
NSRect frameRect = [theWindow frame];
|
|
NSRect screenRect = [[NSScreen mainScreen] frame];
|
|
NSPoint vector = {0.0, 0.0};
|
|
BOOL moveIt = NO;
|
|
|
|
// 1 - determine the amount we need to shift in the y direction.
|
|
if (NSMinY (frameRect) < 0)
|
|
{
|
|
vector.y = MIN (SHIFT_DELTA, -NSMinY (frameRect));
|
|
moveIt = YES;
|
|
}
|
|
else if (NSMaxY (frameRect) > NSMaxY (screenRect))
|
|
{
|
|
vector.y = -MIN (SHIFT_DELTA, NSMaxY (frameRect) - NSMaxY (screenRect));
|
|
moveIt = YES;
|
|
}
|
|
|
|
// 2 - determine the amount we need to shift in the x direction.
|
|
if (NSMinX (frameRect) < 0)
|
|
{
|
|
vector.x = MIN (SHIFT_DELTA, -NSMinX (frameRect));
|
|
moveIt = YES;
|
|
}
|
|
// Note the -3. This is done so the menu, after shifting completely
|
|
// has some spare room on the right hand side. This is needed otherwise
|
|
// the user can never access submenus of this menu.
|
|
else if (NSMaxX (frameRect) > NSMaxX (screenRect) - 3)
|
|
{
|
|
vector.x
|
|
= -MIN (SHIFT_DELTA, NSMaxX (frameRect) - NSMaxX (screenRect) + 3);
|
|
moveIt = YES;
|
|
}
|
|
|
|
if (moveIt)
|
|
{
|
|
NSMenu *candidateMenu;
|
|
NSMenu *masterMenu;
|
|
NSPoint masterLocation;
|
|
NSPoint destinationPoint;
|
|
|
|
// Look for the "master" menu, i.e. the one to move from.
|
|
for (candidateMenu = masterMenu = self;
|
|
(candidateMenu = masterMenu->_superMenu)
|
|
&& (!masterMenu->_is_tornoff
|
|
|| masterMenu->_transient);
|
|
masterMenu = candidateMenu);
|
|
|
|
masterLocation = [[masterMenu window] frame].origin;
|
|
destinationPoint.x = masterLocation.x + vector.x;
|
|
destinationPoint.y = masterLocation.y + vector.y;
|
|
|
|
[masterMenu nestedSetFrameOrigin: destinationPoint];
|
|
}
|
|
}
|
|
|
|
- (BOOL)_ownedByPopUp
|
|
{
|
|
return _popUpButtonCell != nil;
|
|
}
|
|
|
|
- (void)_setOwnedByPopUp: (NSPopUpButtonCell*)popUp
|
|
{
|
|
if (_popUpButtonCell != popUp)
|
|
{
|
|
_popUpButtonCell = popUp;
|
|
if (popUp != nil)
|
|
{
|
|
[_aWindow setLevel: NSPopUpMenuWindowLevel];
|
|
[_bWindow setLevel: NSPopUpMenuWindowLevel];
|
|
}
|
|
}
|
|
[self update];
|
|
}
|
|
|
|
- (NSString*) description
|
|
{
|
|
return [NSString stringWithFormat: @"NSMenu: %@ (%@)",
|
|
_title, _transient ? @"Transient": @"Normal"];
|
|
}
|
|
|
|
@end
|
|
|