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https://github.com/wnagrodzki/DragGestureRecognizer_ObjC.git
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49 lines
2.4 KiB
C
49 lines
2.4 KiB
C
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/*
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* Copyright (c) 2014 Wojciech Nagrodzki
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#import <UIKit/UILongPressGestureRecognizer.h>
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@interface NGDragGestureRecognizer : UILongPressGestureRecognizer
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/**
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* The translation of the pan gesture in the coordinate system of the specified view.
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* The x and y values report the total translation over time. They are not delta values from the last time that the translation was reported.
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* Apply the translation value to the state of the view when the gesture is first recognized—do not concatenate the value each time the handler is called.
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*
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* @param view The view in whose coordinate system the translation of the long press pan gesture should be computed.
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If you want to adjust a view's location to keep it under the user's finger, request the translation in that view's superview's coordinate system.
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* @return A point identifying the new location of a view in the coordinate system of its designated superview.
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*/
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- (CGPoint)translationInView:(UIView *)view;
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/**
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* Sets the translation value in the coordinate system of the specified view.
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* Changing the translation value resets the velocity of the pan.
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*
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* @param translation A point that identifies the new translation value.
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* @param view A view in whose coordinate system the translation is to occur.
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*/
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- (void)setTranslation:(CGPoint)translation inView:(UIView *)view;
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@end
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