/usr/include/GNUstep/AppKit/NSScroller.h is in libgnustep-gui-dev 0.25.0-4+b1.
This file is owned by root:root, with mode 0o644.
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NSScroller.h
The scroller class
Copyright (C) 1996 Free Software Foundation, Inc.
Author: Ovidiu Predescu <ovidiu@net-community.com>
A completely rewritten version of the original source by Scott Christley.
Date: July 1997
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 Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _GNUstep_H_NSScroller
#define _GNUstep_H_NSScroller
#import <GNUstepBase/GSVersionMacros.h>
#import <AppKit/NSControl.h>
#import <AppKit/NSCell.h>
@class NSEvent;
enum _NSScrollArrowPosition {
#if OS_API_VERSION(MAC_OS_X_VERSION_10_1, GS_API_LATEST)
NSScrollerArrowsDefaultSetting = 0,
#endif
NSScrollerArrowsMaxEnd = 0,
NSScrollerArrowsMinEnd,
NSScrollerArrowsNone
};
typedef NSUInteger NSScrollArrowPosition;
enum _NSScrollerPart {
NSScrollerNoPart = 0,
NSScrollerDecrementPage,
NSScrollerKnob,
NSScrollerIncrementPage,
NSScrollerDecrementLine,
NSScrollerIncrementLine,
NSScrollerKnobSlot
};
typedef NSUInteger NSScrollerPart;
enum _NSScrollerUsablePart {
NSNoScrollerParts = 0,
NSOnlyScrollerArrows,
NSAllScrollerParts
};
typedef NSUInteger NSUsableScrollerParts;
enum _NSScrollerArrow {
NSScrollerIncrementArrow = 0,
NSScrollerDecrementArrow
};
typedef NSUInteger NSScrollerArrow;
@interface NSScroller : NSControl <NSCoding>
{
double _doubleValue;
CGFloat _knobProportion;
CGFloat _pendingKnobProportion;
id _target;
SEL _action;
NSScrollerPart _hitPart;
NSScrollArrowPosition _arrowsPosition;
NSUsableScrollerParts _usableParts;
struct _scFlagsType {
// total 7 bits. 25 bits left.
unsigned isHorizontal: 1;
unsigned isEnabled: 1;
unsigned control_tint: 3;
unsigned control_size: 2;
} _scFlags;
}
//
// Laying out the NSScroller
//
+ (CGFloat)scrollerWidth;
- (NSScrollArrowPosition)arrowsPosition;
- (void)checkSpaceForParts;
- (NSRect)rectForPart:(NSScrollerPart)partCode;
- (void)setArrowsPosition:(NSScrollArrowPosition)where;
- (NSUsableScrollerParts)usableParts;
//
// Setting the NSScroller's Values
//
- (CGFloat)knobProportion;
#if OS_API_VERSION(GS_API_MACOSX, MAC_OS_X_VERSION_10_5)
- (void)setFloatValue:(float)aFloat knobProportion:(CGFloat)ratio;
#endif
//
// Displaying
//
- (void)drawArrow:(NSScrollerArrow)whichButton highlight:(BOOL)flag;
- (void)drawKnobSlot;
- (void)drawKnob;
- (void)drawParts;
- (void)highlight:(BOOL)flag;
//
// Handling Events
//
- (NSScrollerPart)hitPart;
/* Return the part of the scroller which contains thePoint. thePoint
* is in the window's coordinate system.
*/
- (NSScrollerPart)testPart:(NSPoint)thePoint;
- (void)trackKnob:(NSEvent *)theEvent;
- (void)trackScrollButtons:(NSEvent *)theEvent;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (CGFloat)scrollerWidthForControlSize:(NSControlSize)controlSize;
- (void)setControlSize:(NSControlSize)controlSize;
- (NSControlSize)controlSize;
- (void)setControlTint:(NSControlTint)controlTint;
- (NSControlTint)controlTint;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
- (void)setKnobProportion:(CGFloat)proportion;
- (void)drawKnobSlotInRect:(NSRect)slotRect highlight:(BOOL)flag;
#endif
@end
#endif // _GNUstep_H_NSScroller
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