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760cfa6d62
* Source/NSSliderCell.m: Rewrite this class to store and access the value directly. This brings the behaviour closer to Apple's horrible implementation.
123 lines
3.4 KiB
Objective-C
123 lines
3.4 KiB
Objective-C
/*
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NSSliderCell.h
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Ovidiu Predescu <ovidiu@net-community.com>
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Date: September 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 Lesser 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef _GNUstep_H_NSSliderCell
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#define _GNUstep_H_NSSliderCell
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#import <AppKit/NSActionCell.h>
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@class NSString;
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@class NSColor;
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@class NSFont;
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@class NSImage;
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typedef enum _NSTickMarkPosition
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{
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NSTickMarkBelow = 0,
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NSTickMarkAbove,
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NSTickMarkLeft = 0,
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NSTickMarkRight
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} NSTickMarkPosition;
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typedef enum _NSSliderType
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{
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NSLinearSlider = 0,
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NSCircularSlider
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} NSSliderType;
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@interface NSSliderCell : NSActionCell <NSCoding>
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{
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double _value;
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double _minValue;
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double _maxValue;
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double _altIncrementValue;
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id _titleCell;
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id _knobCell;
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NSRect _trackRect;
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BOOL _isVertical;
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BOOL _allowsTickMarkValuesOnly;
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NSInteger _numberOfTickMarks;
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NSTickMarkPosition _tickMarkPosition;
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NSSliderType _type;
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}
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/* Asking about the cell's behavior */
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- (double) altIncrementValue;
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+ (BOOL) prefersTrackingUntilMouseUp;
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- (NSRect) trackRect;
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/* Changing the cell's behavior */
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- (void) setAltIncrementValue: (double)increment;
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/* Displaying the cell */
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- (NSRect) knobRectFlipped: (BOOL)flipped;
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- (void) drawBarInside: (NSRect)rect flipped: (BOOL)flipped;
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- (void) drawKnob;
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- (void) drawKnob: (NSRect)knobRect;
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/* Asking about the cell's appearance */
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- (CGFloat) knobThickness;
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- (NSInteger) isVertical;
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- (NSString*) title;
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- (id) titleCell;
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- (NSColor*) titleColor;
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- (NSFont*) titleFont;
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- (NSSliderType) sliderType;
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/* Changing the cell's appearance */
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- (void) setKnobThickness: (CGFloat)thickness;
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- (void) setTitle: (NSString*)title;
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- (void) setTitleCell: (NSCell*)aCell;
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- (void) setTitleColor: (NSColor*)color;
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- (void) setTitleFont: (NSFont*)font;
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- (void) setSliderType:(NSSliderType)type;
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/* Asking about the value limits */
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- (double) minValue;
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- (double) maxValue;
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/* Changing the value limits */
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- (void) setMinValue: (double)aDouble;
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- (void) setMaxValue: (double)aDouble;
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#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
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// ticks
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- (BOOL) allowsTickMarkValuesOnly;
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- (double) closestTickMarkValueToValue: (double)aValue;
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- (NSInteger) indexOfTickMarkAtPoint: (NSPoint)point;
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- (NSInteger) numberOfTickMarks;
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- (NSRect) rectOfTickMarkAtIndex: (NSInteger)index;
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- (void) setAllowsTickMarkValuesOnly: (BOOL)flag;
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- (void) setNumberOfTickMarks: (NSInteger)numberOfTickMarks;
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- (void) setTickMarkPosition: (NSTickMarkPosition)position;
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- (NSTickMarkPosition) tickMarkPosition;
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- (double) tickMarkValueAtIndex: (NSInteger)index;
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#endif
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@end
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#endif /* _GNUstep_H_NSSliderCell */
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