Initial revision

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@1580 72102866-910b-0410-8b05-ffd578937521

Source/NSScroller.m

@@ -0,0 +1,177 @@
+/* 
+   NSScroller.m
+
+   The scroller class
+
+   Copyright (C) 1996 Free Software Foundation, Inc.
+
+   Author:  Scott Christley <scottc@net-community.com>
+   Date: 1996
+   
+   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.
+
+   If you are interested in a warranty or support for this source code,
+   contact Scott Christley <scottc@net-community.com> for more information.
+   
+   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/ 
+
+#include <gnustep/gui/NSScroller.h>
+#include <gnustep/gui/NSWindow.h>
+#include <gnustep/base/NSCoder.h>
+
+@implementation NSScroller
+
+//
+// Class methods
+//
++ (void)initialize
+{
+  if (self == [NSScroller class])
+    {
+      // Initial version
+      [self setVersion:1];
+    }
+}
+
+//
+// Laying out the NSScroller 
+//
++ (float)scrollerWidth
+{
+  return 0;
+}
+
+//
+// Instance methods
+//
+- init
+{
+  return [self initWithFrame:NSZeroRect];
+}
+
+- initWithFrame:(NSRect)frameRect
+{
+  [super initWithFrame:frameRect];
+  if (frame.size.width > frame.size.height)
+    is_horizontal = YES;
+  else
+    is_horizontal = NO;
+  target = nil;
+  action = NULL;
+  return self;
+}
+//
+// Laying out the NSScroller 
+//
+- (NSScrollArrowPosition)arrowsPosition
+{
+  return 0;
+}
+
+- (void)checkSpaceForParts
+{}
+
+- (NSRect)rectForPart:(NSScrollerPart)partCode
+{
+  return NSZeroRect;
+}
+
+- (void)setArrowsPosition:(NSScrollArrowPosition)where
+{}
+
+- (NSUsableScrollerParts)usableParts
+{
+  return 0;
+}
+
+//
+// Setting the NSScroller's Values
+//
+- (float)knobProportion
+{
+  return 0;
+}
+
+- (void)setFloatValue:(float)aFloat
+       knobProportion:(float)ratio
+{}
+
+//
+// Displaying 
+//
+- (void)drawRect:(NSRect)rect
+{
+}
+
+- (void)drawArrow:(NSScrollerArrow)whichButton
+	highlight:(BOOL)flag
+{}
+
+- (void)drawKnob
+{}
+
+- (void)drawParts
+{}
+
+- (void)highlight:(BOOL)flag
+{}
+
+//
+// Handling Events 
+//
+- (NSScrollerPart)hitPart
+{
+  return 0;
+}
+
+- (NSScrollerPart)testPart:(NSPoint)thePoint
+{
+  return 0;
+}
+
+- (void)trackKnob:(NSEvent *)theEvent
+{}
+
+- (void)trackScrollButtons:(NSEvent *)theEvent
+{}
+
+//
+// NSCoding protocol
+//
+- (void)encodeWithCoder:aCoder
+{
+  [super encodeWithCoder:aCoder];
+
+  [aCoder encodeValueOfObjCType: @encode(BOOL) at: &is_horizontal];
+  [aCoder encodeValueOfObjCType: @encode(SEL) at: &action];
+  [aCoder encodeObjectReference: target withName: @"Target"];
+  [aCoder encodeValuesOfObjCTypes: "ff", &percent, &cur_value];
+}
+
+- initWithCoder:aDecoder
+{
+  [super initWithCoder:aDecoder];
+
+  [aDecoder decodeValueOfObjCType: @encode(BOOL) at: &is_horizontal];
+  [aDecoder decodeValueOfObjCType: @encode(SEL) at: &action];
+  [aDecoder decodeObjectAt: &target withName: NULL];
+  [aDecoder decodeValuesOfObjCTypes: "ff", &percent, &cur_value];
+
+  return self;
+}
+
+@end
+