72 lines
1.9 KiB
Java
72 lines
1.9 KiB
Java
/*
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* Pixel Dungeon
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* Copyright (C) 2012-2015 Oleg Dolya
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*
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* Shattered Pixel Dungeon
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* Copyright (C) 2014-2021 Evan Debenham
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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package com.watabou.input;
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import com.watabou.utils.PointF;
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import com.watabou.utils.Signal;
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import java.util.ArrayList;
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public class ScrollEvent {
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public PointF pos;
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public float amount;
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public ScrollEvent(PointF mousePos, float amount){
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this.amount = amount;
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this.pos = mousePos;
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}
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// **********************
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// *** Static members ***
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// **********************
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private static Signal<ScrollEvent> scrollSignal = new Signal<>( true );
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public static void addScrollListener( Signal.Listener<ScrollEvent> listener ){
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scrollSignal.add(listener);
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}
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public static void removeScrollListener( Signal.Listener<ScrollEvent> listener ){
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scrollSignal.remove(listener);
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}
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public static void clearListeners(){
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scrollSignal.removeAll();
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}
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//Accumulated key events
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private static ArrayList<ScrollEvent> scrollEvents = new ArrayList<>();
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public static synchronized void addScrollEvent( ScrollEvent event ){
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scrollEvents.add( event );
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}
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public static synchronized void processScrollEvents(){
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for (ScrollEvent k : scrollEvents){
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scrollSignal.dispatch(k);
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}
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scrollEvents.clear();
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}
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}
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