Minor theming updates.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@24268 72102866-910b-0410-8b05-ffd578937521

Source/NSButtonImageSource.m

@@ -0,0 +1,110 @@
+/* 
+   NSButtonImageSource.m
+
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+   Author:  Richard Frith-Macdonald <rfm@gnu.org>
+   Date: 2006
+   
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02111 USA.
+*/ 
+
+#include "NSButtonImageSource.h"
+
+
+@implementation NSButtonImageSource
+
+NSMutableDictionary	*sources = nil;
+
++ (id) buttonImageSourceWithName: (NSString*)name
+{
+  NSButtonImageSource	*source;
+
+  source = [sources objectForKey: name];
+  if (source == nil)
+    {
+      source = [self alloc];
+      source->imageName = [name copy];
+      source->images = [NSMutableDictionary new];
+      [sources setObject: source forKey: sources->imageName];
+      RELEASE(source);
+    }
+  return source;
+}
+
++ (void) initialize
+{
+  if (sources == nil)
+    {
+      sources = [NSMutableDictionary new];
+    }
+}
+
+- (id) copyWithZone: (NSZone*)zone
+{
+  return RETAIN(self);
+}
+
+- (void) dealloc
+{
+  RELEASE(images);
+  RELEASE(imageName);
+  [super dealloc];
+}
+
+- (void) encodeWithCoder: (NSCoder *)coder
+{
+  if ([coder allowsKeyedCoding])
+    {
+      [coder encodeObject: imageName forKey: @"NSImageName"];
+    }
+  else
+    {
+      [NSException raise: NSInvalidArgumentException 
+		  format: @"Can't encode %@ with %@.",
+	NSStringFromClass([self class]), NSStringFromClass([coder class])];
+    }
+}
+
+- (id) imageForState: (struct NSButtonState)state
+{
+}
+
+- (id) initWithCoder: (NSCoder *)coder
+{
+  if ([coder allowsKeyedCoding])
+    {
+      NSString	*name = [coder decodeObjectForKey: @"NSImageName"];
+
+      ASSIGN(self, [[self class] buttonImageSourceWithName: name]);
+    }
+  else
+    {
+      NSString	*className = NSStringFromClass([self class]);
+
+      RELEASE(self);
+      [NSException raise: NSInvalidArgumentException 
+		  format: @"Can't decode %@ with %@.",
+	className, NSStringFromClass([coder class])];
+    }
+
+  return self;
+}
+
+@end
+