2 ;;; Mudsync --- Live hackable MUD
3 ;;; Copyright © 2017 Christopher Allan Webber <cwebber@dustycloud.org>
5 ;;; This file is part of Mudsync.
7 ;;; Mudsync is free software; you can redistribute it and/or modify it
8 ;;; under the terms of the GNU General Public License as published by
9 ;;; the Free Software Foundation; either version 3 of the License, or
10 ;;; (at your option) any later version.
12 ;;; Mudsync is distributed in the hope that it will be useful, but
13 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 ;;; General Public License for more details.
17 ;;; You should have received a copy of the GNU General Public License
18 ;;; along with Mudsync. If not, see <http://www.gnu.org/licenses/>.
21 function scrollDown() {
22 var stream_metabox = document.getElementById("stream-metabox");
23 stream_metabox.scrollTop = stream_metabox.scrollHeight;
26 function withMaybeScroll(thunk) {
27 var stream_metabox = document.getElementById("stream-metabox");
28 var should_scroll = false;
29 // if within a reasonable threshold, we scroll
30 if((stream_metabox.scrollHeight - stream_metabox.offsetHeight)
31 - stream_metabox.scrollTop <= 50) {
36 stream_metabox.scrollTop = stream_metabox.scrollHeight;
41 function displayMessage(data, self_sent) {
42 var new_entry = document.createElement("div");
46 new_entry.setAttribute("class", "stream-entry self-sent");
47 document.getElementById("main-input").value = "";
49 new_entry.setAttribute("class", "stream-entry");
51 new_entry.innerHTML = data;
52 document.getElementById("stream").appendChild(new_entry);
56 function installWebsocket() {
57 // TODO: Don't hardcode the websocket path; pull it from the DOM
58 var address = "ws://".concat(window.location.hostname, ":", window.location.port);
59 var ws = new WebSocket(address);
60 ws.onmessage = function(evt) {
61 displayMessage(evt.data, false);
63 ws.onopen = function() {
64 console.log("connected");
66 ws.onclose = function () {
67 console.log("closed websocket");
72 function installUIHooks(ws) {
73 var input = document.getElementById("main-input");
74 input.onkeypress = function(e) {
75 if (!e) e = window.event;
76 var keyCode = e.keyCode || e.which;
77 if (keyCode == '13') {
78 var input_val = input.value;
81 displayMessage("> ".concat(input_val), true);
83 sendMessageToServer(ws, input_val);
88 function sendMessageToServer(ws, data) {
92 window.onload = function () {
94 window.onresize = scrollDown;