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54 lines
2.1 KiB
C
54 lines
2.1 KiB
C
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/*
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NSGestureRecognizer.h
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Abstract base class for monitoring user events
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Copyright (C) 2017 Free Software Foundation, Inc.
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Author: Daniel Ferreira <dtf@stanford.edu>
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Date: 2017
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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_NSGestureRecognizer
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#define _GNUstep_H_NSGestureRecognizer
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#import <Foundation/Foundation.h>
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#import <AppKit/NSEvent.h>
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@interface NSGestureRecognizer : NSObject <NSCoding>
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@end
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@protocol NSGestureRecognizerDelegate <NSObject>
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#if GS_PROTOCOLS_HAVE_OPTIONAL
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@optional
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#else
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@end
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@interface NSGestureRecognizer (NSGestureRecognizerDelegate)
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#endif
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- (BOOL)gestureRecognizer:(NSGestureRecognizer *)gestureRecognizer shouldAttemptToRecognizeWithEvent:(NSEvent *)event;
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- (BOOL)gestureRecognizerShouldBegin:(NSGestureRecognizer *)gestureRecognizer;
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- (BOOL)gestureRecognizer:(NSGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(NSGestureRecognizer *)otherGestureRecognizer;
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- (BOOL)gestureRecognizer:(NSGestureRecognizer *)gestureRecognizer shouldRequireFailureOfGestureRecognizer:(NSGestureRecognizer *)otherGestureRecognizer;
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- (BOOL)gestureRecognizer:(NSGestureRecognizer *)gestureRecognizer shouldBeRequiredToFailByGestureRecognizer:(NSGestureRecognizer *)otherGestureRecognizer;
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@end
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#endif
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