4 * Copyright 2020 Elias Fleckenstein <eliasfleckenstein@web.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
23 dragonblocks.KeyHandler = class{
27 this.downHandlers = {};
28 addEventListener("keydown", event => {dragonblocks.keyHandler.handler(event)});
29 addEventListener("keyup", event => {dragonblocks.keyHandler.handler(event)});
30 addEventListener("wheel", event => {dragonblocks.keyHandler.handler(event)});
33 this.locked[key] = true;
36 for(let key in this.upHandlers)
38 for(let key in this.downHandlers)
42 dragonblocks.keyHandler.locked[key] = false;
45 for(let key in this.locked)
49 this.downHandlers[key] = func;
53 this.upHandlers[key] = func;
60 if(this.locked[event.key])
62 if(this.downHandlers[event.key]){
63 event.preventDefault();
64 (this.downHandlers[event.key])();
68 if(this.locked[event.key])
70 if(this.upHandlers[event.key]){
71 event.preventDefault();
72 (this.upHandlers[event.key])();
76 if(this.locked["scroll"])
78 if(event.deltaY > 0 && this.downHandlers["scroll"]){
79 event.preventDefault();
80 (this.downHandlers["scroll"])();
82 else if(this.upHandlers["scroll"]){
83 event.preventDefault();
84 (this.upHandlers["scroll"])();
90 dragonblocks.keyHandler = new dragonblocks.KeyHandler();
91 dragonblocks.registerOnStarted(_ => {
92 dragonblocks.keyHandler.unlockAll();