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109 lines
2.9 KiB
Mathematica
109 lines
2.9 KiB
Mathematica
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/* Runtime MacOSX compatibility functionality
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Copyright (C) 2000 Free Software Foundation, Inc.
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Written by: Richard frith-Macdonald <rfm@gnu.org>
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Date: August 1994
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This file is part of the GNUstep Base 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; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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*/
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#include <config.h>
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#include <Foundation/Foundation.h>
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/*
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* Runtime MacOS-X compatibility flags.
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*/
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static BOOL setupDone = NO;
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static BOOL MacOSXCompatible = NO;
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static BOOL MacOSXCompatibleGeometry = NO;
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static BOOL MacOSXCompatiblePropertyLists = NO;
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/*
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* A trivial class to monitor user defaults to see how we should be
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* producing strings describing geometry structures.
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*/
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@interface GSBaseDefaultObserver : NSObject
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+ (void) defaultsChanged: (NSNotification*)aNotification;
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@end
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@implementation GSBaseDefaultObserver
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+ (void) defaultsChanged: (NSNotification*)aNotification
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{
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NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
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id def;
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Class sClass = [NSString class];
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MacOSXCompatible = [defaults boolForKey: @"GSMacOSXCompatible"];
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def = [defaults objectForKey: @"GSMacOSXCompatibleGeometry"];
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if (def != nil && [def isKindOfClass: sClass] == YES)
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{
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MacOSXCompatibleGeometry = [def boolValue];
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}
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else
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{
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MacOSXCompatibleGeometry = MacOSXCompatible;
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}
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def = [defaults objectForKey: @"GSMacOSXCompatiblePropertyLists"];
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if (def != nil && [def isKindOfClass: sClass] == YES)
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{
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MacOSXCompatiblePropertyLists = [def boolValue];
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}
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else
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{
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MacOSXCompatiblePropertyLists = MacOSXCompatible;
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}
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}
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@end
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static void
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compatibilitySetup()
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{
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if (setupDone == NO)
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{
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setupDone = YES;
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[[NSNotificationCenter defaultCenter]
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addObserver: [GSBaseDefaultObserver class]
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selector: @selector(defaultsChanged:)
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name: NSUserDefaultsDidChangeNotification
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object: nil];
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[[GSBaseDefaultObserver class] defaultsChanged: nil];
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}
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}
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BOOL GSMacOSXCompatible()
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{
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if (setupDone == NO)
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compatibilitySetup();
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return MacOSXCompatible;
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}
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BOOL GSMacOSXCompatibleGeometry()
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{
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if (setupDone == NO)
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compatibilitySetup();
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return MacOSXCompatibleGeometry;
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}
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BOOL GSMacOSXCompatiblePropertyLists()
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{
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if (setupDone == NO)
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compatibilitySetup();
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return MacOSXCompatiblePropertyLists;
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}
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