RLGWebD: shterm.js annotate

annotate shterm.js @ 145:3308eaa00c91

Use SVG for the bell icon instead of PNG. Browsers that support WebSockets tend to support SVG too. This also removes the need to install Inkscape to convert the file to PNG.

author	John "Elwin" Edwards
date	Thu, 31 Oct 2013 20:44:35 -0700
parents	789c094675f4
children	c4a32007d2dc

rev	line source
1 9bef0941c6dd Add a few comments. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1 /* shterm.js: browser-side JavaScript to handle I/O for termemu.js when it
9bef0941c6dd Add a few comments. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	2 * is running a shell via the webtty.js server.
9bef0941c6dd Add a few comments. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	3 */
9bef0941c6dd Add a few comments. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	4
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	5 var isalive = false; // Whether the session is currently active.
14 155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	6 var nsend = 0; // The number of the next packet to send.
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	7 var nrecv = 0; // The next packet expected.
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	8 var msgQ = []; // Queue for out-of-order messages.
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	9 var conn = null; // WebSocket
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	10
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	11 // A state machine that keeps track of polling the server.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	12 var ajaxstate = {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	13 state: 0,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	14 timerID: null,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	15 clear: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	16 if (this.timerID != null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	17 window.clearTimeout(this.timerID);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	18 this.timerID = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	19 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	20 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	21 set: function (ms) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	22 this.clear();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	23 this.timerID = window.setTimeout(getData, ms);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	24 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	25 gotdata: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	26 this.set(100);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	27 this.state = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	28 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	29 gotnothing: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	30 if (this.state == 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	31 this.set(100);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	32 this.state = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	33 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	34 else if (this.state == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	35 this.set(300);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	36 this.state = 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	37 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	38 else if (this.state == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	39 this.set(1000);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	40 this.state = 3;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	41 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	42 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	43 this.set(5000);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	44 this.state = 3;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	45 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	46 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	47 posted: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	48 this.set(100);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	49 this.state = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	50 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	51 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	52
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	53 function writeData(hexstr) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	54 var codenum;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	55 var codes = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	56 var nc;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	57 var u8wait = 0; /* Stores bits from previous bytes of multibyte sequences. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	58 var expect = 0; /* The number of 10------ bytes expected. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	59 /* UTF-8 translation. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	60 for (var i = 0; i < hexstr.length; i += 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	61 nc = Number("0x" + hexstr.substr(i, 2));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	62 if (nc < 0x7F) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	63 /* 0------- */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	64 codes.push(nc);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	65 /* Any incomplete sequence will be discarded. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	66 u8wait = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	67 expect = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	68 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	69 else if (nc < 0xC0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	70 /* 10------ : part of a multibyte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	71 if (expect > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	72 u8wait <<= 6;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	73 u8wait += (nc & 0x3F);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	74 expect--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	75 if (expect == 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	76 codes.push(u8wait);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	77 u8wait = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	78 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	79 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	80 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	81 /* Assume an initial byte was missed. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	82 u8wait = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	83 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	84 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	85 /* These will all discard any incomplete sequence. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	86 else if (nc < 0xE0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	87 /* 110----- : introduces 2-byte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	88 u8wait = (nc & 0x1F);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	89 expect = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	90 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	91 else if (nc < 0xF0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	92 /* 1110---- : introduces 3-byte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	93 u8wait = (nc & 0x0F);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	94 expect = 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	95 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	96 else if (nc < 0xF8) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	97 /* 11110--- : introduces 4-byte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	98 u8wait = (nc & 0x07);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	99 expect = 3;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	100 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	101 else if (nc < 0xFC) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	102 /* 111110-- : introduces 5-byte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	103 u8wait = (nc & 0x03);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	104 expect = 4;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	105 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	106 else if (nc < 0xFE) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	107 /* 1111110- : introduces 6-byte sequence */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	108 u8wait = (nc & 0x01);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	109 expect = 5;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	110 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	111 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	112 /* 1111111- : should never appear */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	113 u8wait = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	114 expect = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	115 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	116 /* Supporting all 31 bits is probably overkill... */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	117 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	118 termemu.write(codes);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	119 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	120 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	121
14 155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	122 function processMsg(response) {
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	123 if (response.t != "d" \|\| typeof(response.d) != "string")
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	124 return;
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	125 if (response.n === nrecv) {
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	126 writeData(response.d);
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	127 nrecv++;
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	128 var next;
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	129 /* msgQ must be shifted every time nrecv is incremented, but the process
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	130 * stops whenever an empty space, corresponding to an unarrived message,
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	131 * is encountered.
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	132 */
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	133 while ((next = msgQ.shift()) !== undefined) {
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	134 writeData(next.d);
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	135 nrecv++;
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	136 }
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	137 }
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	138 else if (response.n > nrecv) {
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	139 /* The current message comes after one still missing. Queue this one
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	140 * for later use.
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	141 */
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	142 debug(1, "Got packet " + response.n + ", expected " + nrecv);
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	143 msgQ[response.n - nrecv - 1] = response;
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	144 }
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	145 else {
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	146 /* This message's number was encountered previously. */
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	147 debug(1, "Discarding packet " + response.n + ", expected " + nrecv);
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	148 }
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	149 }
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	150
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	151 function getData() {
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	152 if (!isalive)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	153 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	154 var datareq = new XMLHttpRequest();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	155 datareq.onreadystatechange = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	156 if (datareq.readyState == 4 && datareq.status == 200) {
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	157 var response = JSON.parse(this.responseText);
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	158 if (!response.t)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	159 return;
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	160 else if (response.t == "E") {
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	161 if (response.c == 1) {
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	162 isalive = false;
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	163 debug(1, "Server error: " + response.s);
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	164 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	165 }
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	166 else if (response.t == "n")
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	167 ajaxstate.gotnothing();
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	168 else if (response.t == "d") {
14 155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	169 processMsg(response);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	170 ajaxstate.gotdata();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	171 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	172 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	173 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	174 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	175 datareq.open('GET', '/feed', true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	176 datareq.send(null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	177 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	178 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	179
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	180 function postResponseHandler() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	181 if (this.readyState == 4 && this.status == 200) {
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	182 var response = JSON.parse(this.responseText);
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	183 if (!response.t \|\| response.t == "n")
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	184 return;
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	185 else if (response.t == "E") {
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	186 if (response.c == 1) {
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	187 isalive = false;
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	188 debug(1, "Server error: " + response.s);
481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	189 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	190 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	191 }
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	192 else if (response.t != "d")
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	193 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	194 /* It is a data message */
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	195 if (response.d) {
14 155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	196 processMsg(response);
155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	197 //debug(1, "Got packet " + response.n);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	198 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	199 ajaxstate.posted();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	200 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	201 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	202 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	203
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	204 function sendback(str) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	205 /* For responding to terminal queries. */
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	206 if (conn) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	207 var msgObj = {"t": "d", "d": str};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	208 conn.send(JSON.stringify(msgObj));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	209 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	210 else {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	211 var formdata = {"t": "d", "n": nsend++, "d": str};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	212 var datareq = new XMLHttpRequest();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	213 datareq.onreadystatechange = postResponseHandler;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	214 datareq.open('POST', '/feed', true);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	215 datareq.send(JSON.stringify(formdata));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	216 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	217 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	218 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	219
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	220 function sendkey(ev) {
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	221 if (!isalive)
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	222 return;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	223 var keynum = ev.keyCode;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	224 var code;
70 d7eb63cd7a16 Try to get some compatibility for keys. John "Elwin" Edwards <elwin@sdf.org> parents: 58 diff changeset	225 if (keynum >= 65 && keynum <= 90) {
d7eb63cd7a16 Try to get some compatibility for keys. John "Elwin" Edwards <elwin@sdf.org> parents: 58 diff changeset	226 /* Letters. */
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	227 if (ev.ctrlKey)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	228 keynum -= 64;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	229 else if (!ev.shiftKey)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	230 keynum += 32;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	231 code = keynum.toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	232 if (code.length < 2)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	233 code = "0" + code;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	234 }
70 d7eb63cd7a16 Try to get some compatibility for keys. John "Elwin" Edwards <elwin@sdf.org> parents: 58 diff changeset	235 else if (keynum >= 48 && keynum <= 57) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	236 /* The number row. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	237 if (ev.shiftKey) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	238 code = numShifts[keynum - 48].toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	239 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	240 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	241 code = keynum.toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	242 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	243 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	244 else if (keynum in keyHexCodes) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	245 if (ev.shiftKey)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	246 code = keyHexCodes[keynum][1];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	247 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	248 code = keyHexCodes[keynum][0];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	249 }
70 d7eb63cd7a16 Try to get some compatibility for keys. John "Elwin" Edwards <elwin@sdf.org> parents: 58 diff changeset	250 else if (keynum >= 16 && keynum <= 20) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	251 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	252 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	253 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	254 debug(1, "Ignoring keycode " + keynum);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	255 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	256 }
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	257 ev.preventDefault();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	258 if (conn) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	259 var msgObj = {"t": "d", "d": code};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	260 conn.send(JSON.stringify(msgObj));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	261 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	262 else {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	263 var formdata = {"t": "d", "n": nsend++, "d": code};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	264 var datareq = new XMLHttpRequest();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	265 datareq.onreadystatechange = postResponseHandler;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	266 datareq.open('POST', '/feed', true);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	267 datareq.send(JSON.stringify(formdata));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	268 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	269 //dkey(code);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	270 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	271 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	272
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	273 var charshifts = { '-': "5f", '=': "2b", '[': "7b", ']': "7d", '\\': "7c",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	274 ';': "3a", '\'': "22", ',': "3c", '.': "3e", '/': "3f", '`': "7e"
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	275 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	276
76 a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	277 var kpkeys = { "KP1": "1b4f46", "KP2": "1b4f42", "KP3": "1b5b367e",
a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	278 "KP4": "1b4f44", "KP5": "1b5b45", "KP6": "1b4f43",
a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	279 "KP7": "1b4f48", "KP8": "1b4f41", "KP9": "1b5b357e" };
a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	280
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	281 function vkey(c) {
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	282 if (!isalive)
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	283 return;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	284 var keystr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	285 if (c.match(/^[a-z]$/)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	286 if (termemu.ctrlp()) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	287 var n = c.charCodeAt(0) - 96;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	288 keystr = n.toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	289 if (keystr.length < 2)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	290 keystr = "0" + keystr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	291 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	292 else if (termemu.shiftp())
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	293 keystr = c.toUpperCase().charCodeAt(0).toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	294 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	295 keystr = c.charCodeAt(0).toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	296 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	297 else if (c.match(/^[0-9]$/)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	298 if (termemu.shiftp())
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	299 keystr = numShifts[c.charCodeAt(0) - 48].toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	300 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	301 keystr = c.charCodeAt(0).toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	302 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	303 else if (c == '\n')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	304 keystr = "0a";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	305 else if (c == '\t')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	306 keystr = "09";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	307 else if (c == '\b')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	308 keystr = "08";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	309 else if (c == ' ')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	310 keystr = "20";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	311 else if (c in charshifts) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	312 if (termemu.shiftp())
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	313 keystr = charshifts[c];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	314 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	315 keystr = c.charCodeAt(0).toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	316 }
76 a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	317 else if (c in kpkeys) {
a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	318 keystr = kpkeys[c];
a497ecd116d9 Improvements to the keyboard. John "Elwin" Edwards <elwin@sdf.org> parents: 70 diff changeset	319 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	320 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	321 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	322 //writeData("Sending " + keystr);
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	323 if (conn) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	324 var msgObj = {"t": "d", "d": keystr};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	325 conn.send(JSON.stringify(msgObj));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	326 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	327 else {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	328 var formdata = {"t": "d", "n": nsend++, "d": keystr};
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	329 var datareq = new XMLHttpRequest();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	330 datareq.onreadystatechange = postResponseHandler;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	331 datareq.open('POST', '/feed', true);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	332 datareq.send(JSON.stringify(formdata));
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	333 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	334 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	335 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	336
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	337 function setup() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	338 keyHexCodes.init();
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	339 termemu.init("termwrap", 24, 80);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	340 setTitle("Not connected.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	341 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	342 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	343
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	344 function toggleshift() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	345 termemu.toggleshift();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	346 keydiv = document.getElementById("shiftkey");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	347 if (termemu.shiftp())
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	348 keydiv.className = "keysel";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	349 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	350 keydiv.className = "key";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	351 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	352 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	353
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	354 function togglectrl() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	355 termemu.togglectrl();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	356 keydiv = document.getElementById("ctrlkey");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	357 if (termemu.ctrlp())
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	358 keydiv.className = "keysel";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	359 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	360 keydiv.className = "key";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	361 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	362 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	363
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	364 function loginWS(h, w) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	365 if (conn)
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	366 return;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	367 var sockurl = "ws://" + window.location.host + "/sock?w=" + w + "&h=" + h;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	368 conn = new WebSocket(sockurl);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	369 conn.onopen = function (event) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	370 isalive = true;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	371 setTitle("Logged in");
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	372 debug(1, "Logged in via WebSocket");
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	373 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	374 conn.onmessage = function (event) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	375 var msgObj = JSON.parse(event.data);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	376 if (msgObj.t == 'l') {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	377 termemu.resize(msgObj.h, msgObj.w);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	378 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	379 else if (msgObj.t == 'd') {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	380 debug(0, msgObj.d);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	381 writeData(msgObj.d);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	382 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	383 else if (msgObj.t == 'q') {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	384 debug(0, "Quit message!");
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	385 conn.close();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	386 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	387 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	388 conn.onclose = function (event) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	389 conn = null;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	390 isalive = false;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	391 debug(1, "WebSocket connection closed.");
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	392 setTitle("Not connected.");
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	393 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	394 }
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	395
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	396 function login(h, w) {
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	397 if (isalive)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	398 return;
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	399 if (window.WebSocket) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	400 loginWS(h, w);
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	401 return;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	402 }
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	403 params = {"login": true, "h": h, "w": w};
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	404 var req = new XMLHttpRequest();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	405 req.onreadystatechange = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	406 if (req.readyState == 4 && req.status == 200) {
10 d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	407 var logindict = JSON.parse(req.responseText);
d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	408 if (logindict.login) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	409 /* Success */
10 d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	410 termemu.resize(logindict.h, logindict.w);
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	411 isalive = true;
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	412 nsend = 0;
14 155f3c104759 shterm.js: Client-side message ordering John "Elwin" Edwards <elwin@sdf.org> parents: 13 diff changeset	413 nrecv = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	414 setTitle("Logged in");
10 d051aad3e95f webtty: begin experimenting with JSON protocol. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	415 debug(1, "Logged in with id " + logindict.id);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	416 getData();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	417 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	418 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	419 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	420 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	421 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	422 req.open('POST', '/login', true);
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	423 req.send(JSON.stringify(params));
bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	424 //req.send("login=login&h=" + String(h) + "&w=" + String(w));
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	425 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	426 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	427
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	428 function stop() {
140 789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	429 if (conn) {
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	430 conn.close();
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	431 return;
789c094675f4 WebTTY: use WebSockets when possible. John "Elwin" Edwards parents: 76 diff changeset	432 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	433 var req = new XMLHttpRequest();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	434 req.onreadystatechange = function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	435 if (req.readyState == 4 && req.status == 200) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	436 /* Figure out whether or not it worked. */
11 481dcee353c9 webtty: switch all server responses to JSON. John "Elwin" Edwards <elwin@sdf.org> parents: 10 diff changeset	437 /* FIXME the server might respond with output. */
58 7a50b4412fea Move credentials into the drivers. John "Elwin" Edwards <elwin@sdf.org> parents: 14 diff changeset	438 isalive = false;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	439 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	440 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	441 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	442 req.open('POST', '/feed', true);
13 bf7c26d0b66d webtty: switch upward protocol to JSON John "Elwin" Edwards <elwin@sdf.org> parents: 12 diff changeset	443 req.send(JSON.stringify({"t": "q", "n": nsend++}));
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	444 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	445 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	446
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	447 function setTitle(tstr) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	448 var titlespan = document.getElementById("ttitle");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	449 var tnode = document.createTextNode(tstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	450 if (titlespan.childNodes.length == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	451 titlespan.appendChild(tnode);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	452 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	453 titlespan.replaceChild(tnode, titlespan.childNodes[0]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	454 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	455 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	456
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	457 function debug(level, msg) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	458 if (level < debugSuppress)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	459 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	460 var msgdiv = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	461 var msgtext = document.createTextNode(msg);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	462 msgdiv.appendChild(msgtext);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	463 document.getElementById("debug").appendChild(msgdiv);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	464 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	465 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	466
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	467 /* This should be a termemu method. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	468 function textsize(larger) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	469 var cssSize = document.getElementById("term").style.fontSize;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	470 if (!cssSize)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	471 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	472 var match = cssSize.match(/\d*/);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	473 if (!match)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	474 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	475 var csize = Number(match[0]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	476 var nsize;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	477 if (larger) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	478 if (csize >= 48)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	479 nsize = 48;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	480 else if (csize >= 20)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	481 nsize = csize + 4;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	482 else if (csize >= 12)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	483 nsize = csize + 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	484 else if (csize >= 8)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	485 nsize = csize + 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	486 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	487 nsize = 8;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	488 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	489 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	490 if (csize <= 8)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	491 nsize = 8;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	492 else if (csize <= 12)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	493 nsize = csize - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	494 else if (csize <= 20)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	495 nsize = csize - 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	496 else if (csize <= 48)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	497 nsize = csize - 4;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	498 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	499 nsize = 48;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	500 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	501 document.getElementById("term").style.fontSize = nsize.toString() + "px";
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 7 diff changeset	502 termemu.fixsize();
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	503 debug(1, "Changing font size to " + nsize.toString());
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	504 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	505 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	506
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	507 function bell(on) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	508 var imgnode = document.getElementById("bell");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	509 if (on) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	510 imgnode.style.visibility = "visible";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	511 window.setTimeout(bell, 1500, false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	512 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	513 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	514 imgnode.style.visibility = "hidden";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	515 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	516 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	517
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	518 function dkey(codestr) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	519 var dstr = "Keystring: ";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	520 for (var i = 0; i < codestr.length; i += 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	521 code = Number("0x" + codestr.substr(i, 2));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	522 if (code < 32 \|\| (code >= 127 && code < 160))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	523 dstr += "\\x" + code.toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	524 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	525 dstr += String.fromCharCode(code);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	526 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	527 debug(1, dstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	528 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	529 }