RLGWebD: termemu.js annotate

annotate termemu.js @ 213:08665c56c6a0 default tip

Fix race condition related to watching DGL games. It's possible for a dgamelaunch game to end and cause rlgwebd to stop watching it before rlgwebd has started watching it.

author	John "Elwin" Edwards
date	Sun, 16 Aug 2020 20:56:18 -0400
parents	d60063a674e1
children

rev	line source
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1 /* termemu.js: a mostly xterm-compatible terminal emulator for a webpage */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	2 /* SELF-HOSTING 2011-09-23 */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	3
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	4 // How detailed the debugging should be.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	5 var debugSuppress = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	6 // Some char values.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	7 var csiPre = [63, 62, 33];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	8 var csiPost = [36, 34, 39, 32];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	9 function csiFinal(code) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	10 /* @A-Z */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	11 if (code >= 64 && code <= 90)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	12 return true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	13 /* `a-z{\| */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	14 if (code >= 96 && code <= 124)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	15 return true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	16 return false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	17 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	18 var esc7ctl = [68, 69, 72, 77, 78, 79, 80, 86, 87, 88, 90, 91, 92, 93, 94, 95];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	19 var escSingle = [55, 56, 61, 62, 70, 99, 108, 109, 110, 111, 124, 125, 126];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	20 var escDouble = [32, 35, 37, 40, 41, 42, 43, 45, 46, 47];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	21
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	22 var decChars = {96: 0x2666, 97: 0x2592, 102: 0xB0, 103: 0xB1,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	23 106: 0x2518, 107: 0x2510, 108: 0x250C, 109: 0x2514,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	24 110: 0x253C, 111: 0x23BA, 112: 0x23BB, 113: 0x2500,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	25 114: 0x23BC, 115: 0x23BD, 116: 0x251C, 117: 0x2524,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	26 118: 0x2534, 119: 0x252C, 120: 0x2502, 121: 0x2264,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	27 122: 0x2265, 123: 0x03C0, 124: 0x2260, 125: 0xA3, 126: 0xB7};
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 /* Not everything that should be saved by DECSC has been implemented yet. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	30 function Cursor(src) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	31 if (src) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	32 this.x = src.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	33 this.y = src.y;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	34 this.bold = src.bold;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	35 this.inverse = src.inverse;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	36 this.uline = src.uline;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	37 this.fg = src.fg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	38 this.bg = src.bg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	39 this.cset = src.cset;
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	40 this.visible = src.visible;
0 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.x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	44 this.y = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	45 this.bold = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	46 this.inverse = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	47 this.uline = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	48 this.fg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	49 this.bg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	50 this.cset = "B";
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	51 this.visible = true;
0 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 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	54 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	55
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	56 // An object representing the terminal emulator.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	57 var termemu = {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	58 /* Some elements of the page. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	59 inwrap: null, // A non-table div wrapping the screen
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	60 view: null, // The div holding the terminal screen
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	61 screen: null, // The div representing the active screen area
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	62 normbuf: null, // The normal screen buffer
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	63 altbuf: null, // The alternate screen buffer
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	64 histbuf: null, // The screen history buffer
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	65 /* Attributes */
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	66 w: 0, // Screen width
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	67 h: 0, // Screen height
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	68 fgColor: "#b2b2b2", // Default color for text
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	69 bgColor: "black", // Default background color
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	70 scrT: 0, // top and bottom of scrolling region
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	71 scrB: 0, // init() will set this properly
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	72 c: null, // Contains cursor position and text attributes
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	73 offedge: false, // Going off the edge doesn't mean adding a new line
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	74 lastcode: 0, // Last printed character
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	75 clearAttrs: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	76 /* Make sure to reset ALL attribute properties and NOTHING else. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	77 this.c.bold = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	78 this.c.inverse = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	79 this.c.uline = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	80 this.c.fg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	81 this.c.bg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	82 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	83 saved: null, // saved cursor
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	84 normc: null, // Stores the normal screen buffer cursor when using altbuf
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	85 ansicolors: ["#000000", "#b21818", "#18b218", "#b26818", "#1818b2",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	86 "#b218b2", "#18b2b2", "#b2b2b2"],
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	87 brightcolors: ["#686868", "#ff5454", "#54ff54", "#ffff54", "#5454ff",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	88 "#ff54ff", "#54ffff", "#ffffff"],
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	89 cssColor: function (fg) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	90 /* returns a CSS color specification for the text or background */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	91 var n;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	92 var fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	93 var cube6 = ["00", "5f", "87", "af", "d7", "ff"];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	94 if (this.c.inverse)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	95 fg = !fg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	96 if (fg) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	97 n = this.c.fg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	98 fallback = this.fgColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	99 if (n == null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	100 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	101 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	102 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	103 n = this.c.bg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	104 fallback = this.bgColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	105 if (n == null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	106 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	107 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	108 if (n < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	109 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	110 else if (n < 8) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	111 if (this.c.bold && fg)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	112 return this.brightcolors[n];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	113 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	114 return this.ansicolors[n];
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 else if (n < 16)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	117 return this.brightcolors[n - 8];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	118 else if (n < 232) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	119 var r = cube6[Math.floor((n - 16) / 36)];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	120 var g = cube6[Math.floor((n - 16) / 6) % 6];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	121 var b = cube6[(n - 16) % 6];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	122 return "#" + r + g + b;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	123 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	124 else if (n < 256) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	125 var colstr = ((n - 232) * 10 + 8).toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	126 if (colstr.length < 2)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	127 colstr = "0" + colstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	128 return "#" + colstr + colstr + colstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	129 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	130 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	131 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	132 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	133 // These keyboard-related things don't really belong here.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	134 shift: false,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	135 shiftp: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	136 return this.shift;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	137 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	138 toggleshift: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	139 this.shift = !this.shift;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	140 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	141 ctrl: false,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	142 ctrlp: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	143 return this.ctrl;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	144 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	145 togglectrl: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	146 this.ctrl = !this.ctrl;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	147 },
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	148 init: function (divID, h, w) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	149 /* Makes a div full of character cells. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	150 if (this.screen != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	151 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	152 var owrap = document.getElementById(divID);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	153 if (!owrap)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	154 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	155 while (owrap.firstChild != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	156 owrap.removeChild(owrap.firstChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	157 this.c = new Cursor(null);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	158 /* Set up the sizes. */
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	159 var tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	160 tn = Number(h);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	161 if (tn > 0 && tn < 256)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	162 this.h = tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	163 else
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	164 this.h = 24;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	165 tn = Number(w);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	166 if (tn > 0 && tn < 256)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	167 this.w = tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	168 else
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	169 this.w = 80;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	170 this.scrB = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	171 /* Create the contents of the terminal div */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	172 this.inwrap = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	173 this.inwrap.id = "inwrap";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	174 owrap.appendChild(this.inwrap);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	175 var termdiv = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	176 termdiv.id = "term";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	177 termdiv.style.fontSize = "12px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	178 this.inwrap.appendChild(termdiv);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	179 /* Set up the screen buffers */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	180 this.histbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	181 this.histbuf.id = "histbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	182 termdiv.appendChild(this.histbuf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	183 this.normbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	184 this.normbuf.id = "normbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	185 termdiv.appendChild(this.normbuf);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	186 for (var row = 0; row < this.h; row++) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	187 this.normbuf.appendChild(this.makeRow());
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	188 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	189 this.altbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	190 this.altbuf.id = "altbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	191 termdiv.appendChild(this.altbuf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	192 this.altbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	193 /* altbuf will be filled when it is used. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	194 /* Attach them. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	195 this.view = termdiv;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	196 this.screen = this.normbuf;
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	197 this.fixsize();
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	198 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	199 },
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	200 resize: function (h, w) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	201 if (this.screen == null)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	202 return;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	203 if (!(h > 0 && h < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	204 h = this.h;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	205 if (!(w > 0 && w < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	206 w = this.w;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	207 /* First give all the rows the right number of cells. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	208 var allrows = Array().concat(this.histbuf.childNodes,
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	209 this.normbuf.childNodes,
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	210 this.altbuf.childNodes);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	211 for (var i = 0; i < allrows.length; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	212 var row = allrows[i];
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	213 for (var j = Math.min(w, this.w); j < Math.max(w, this.w); j++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	214 if (w < this.w)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	215 row.removeChild(row.childNodes.lastChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	216 else
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	217 row.appendChild(this.makeCell(' '));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	218 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	219 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	220 this.w = w;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	221 /* Now the rows. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	222 /* Resizing altbuf isn't always necessary. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	223 /* TODO resize and scrolling region interact in complicated ways that I
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	224 * don't want to reverse-engineer. For the moment, just don't do that.
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	225 */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	226 if (h > this.h) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	227 for (var i = this.h; i < h; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	228 this.normbuf.appendChild(this.makeRow());
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	229 this.altbuf.appendChild(this.makeRow());
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	230 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	231 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	232 else if (h < this.h) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	233 for (var i = h; i < this.h; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	234 this.histbuf.appendChild(this.normbuf.firstChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	235 if (this.altbuf.firstChild)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	236 this.altbuf.removeChild(this.altbuf.firstChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	237 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	238 }
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	239 /* Keep it on the bottom */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	240 if (this.scrB == this.h - 1)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	241 this.scrB = h - 1;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	242 else if (this.scrB >= h)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	243 this.scrB = h - 1;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	244 if (this.scrT >= h - 1)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	245 this.scrT = 0;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	246 this.h = h;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	247 this.fixsize();
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	248 /* If the cursor is now offscreen, cmove()'s sanity checks will fix it. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	249 this.cmove(null, null);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	250 debug(1, "Size is now " + this.w + "x" + this.h);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	251 return;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	252 },
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	253 valign: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	254 if (this.screen == this.normbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	255 this.inwrap.scrollTop = this.histbuf.clientHeight;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	256 },
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	257 fixsize: function () {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	258 var owrap = document.getElementById("termwrap");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	259 /* Set the height up properly. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	260 this.inwrap.style.height = this.screen.scrollHeight.toString() + "px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	261 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	262 // Figure out how wide the vertical scrollbar is.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	263 var dwid = this.inwrap.offsetWidth - this.inwrap.clientWidth;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	264 // And resize accordingly.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	265 this.inwrap.style.width = (this.view.scrollWidth + dwid).toString() + "px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	266 owrap.style.width = this.inwrap.offsetWidth.toString() + "px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	267 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	268 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	269 comseq: [], // Part of an impending control sequence
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	270 flipCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	271 /* Swaps the text and background colors of the active location. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	272 /* This will change when other cursor styles are supported. */
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	273 /* Check: the cursor might be offscreen if it was resized. */
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	274 if (!this.c.visible)
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	275 return;
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	276 if (this.c.x != null && this.c.y != null && this.c.x >= 0 &&
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	277 this.c.x < this.w && this.c.y >= 0 && this.c.y < this.h) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	278 var oldcell = this.screen.childNodes[this.c.y].childNodes[this.c.x];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	279 var tempswap = oldcell.style.color;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	280 oldcell.style.color = oldcell.style.backgroundColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	281 oldcell.style.backgroundColor = tempswap;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	282 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	283 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	284 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	285 saveCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	286 this.saved = new Cursor(this.c);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	287 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	288 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	289 restoreCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	290 if (!this.saved) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	291 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	292 this.c = new Cursor(null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	293 }
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 this.cmove(this.saved.y, this.saved.x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	296 this.c = new Cursor(this.saved);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	297 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	298 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	299 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	300 toAltBuf: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	301 if (this.screen == this.altbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	302 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	303 while (this.altbuf.firstChild != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	304 this.altbuf.removeChild(this.altbuf.firstChild);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	305 for (var i = 0; i < this.h; i++) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	306 this.altbuf.appendChild(this.makeRow());
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	307 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	308 this.normc = new Cursor(this.c);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	309 this.altbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	310 this.normbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	311 this.histbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	312 this.screen = this.altbuf;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	313 debug(0, "Altbuf with charset " + this.c.cset);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	314 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	315 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	316 toNormBuf: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	317 if (this.screen == this.normbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	318 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	319 this.altbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	320 this.normbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	321 this.histbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	322 this.screen = this.normbuf;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	323 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	324 /* The cursor isn't actually at this position in normbuf, but cmove will
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	325 * flip it anyway. Flip it again to compensate. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	326 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	327 this.cmove(this.normc.y, this.normc.x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	328 this.c = new Cursor(this.normc);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	329 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	330 cmove: function (y, x) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	331 /* Move the cursor. NOTE coords are [row, col] as in curses. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	332 /* If x or y is null, that coordinate is not altered. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	333 /* Sanity checks and initializations. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	334 if (x == null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	335 if (this.c.x != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	336 x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	337 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	338 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	339 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	340 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	341 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	342 if (x < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	343 x = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	344 else if (x >= this.w)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	345 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	346 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	347 if (y == null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	348 if (this.c.y != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	349 y = this.c.y;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	350 else
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 else if (y < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	354 y = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	355 else if (y >= this.h)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	356 y = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	357 /* Un-reverse video the current location. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	358 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	359 this.c.x = x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	360 this.c.y = y;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	361 /* Reverse-video the new location. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	362 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	363 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	364 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	365 historize: function (n) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	366 if (n < 0 \|\| n >= this.screen.childNodes.length)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	367 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	368 var oldrow = this.screen.childNodes[n];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	369 if (this.screen != this.altbuf && this.scrT == 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	370 this.histbuf.appendChild(oldrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	371 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	372 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	373 this.screen.removeChild(oldrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	374 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	375 /* These may not be the correct heights... */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	376 this.inwrap.style.height = this.screen.clientHeight.toString() + "px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	377 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	378 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	379 scroll: function (lines) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	380 if (lines == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	381 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	382 var count;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	383 if (lines > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	384 count = lines;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	385 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	386 count = -lines;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	387 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	388 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	389 var blankrow = this.makeRow();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	390 /* Careful with the order */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	391 if (lines > 0) {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	392 if (this.scrB == this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	393 this.screen.appendChild(blankrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	394 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	395 this.screen.insertBefore(blankrow, this.screen.childNodes[this.scrB
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	396 + 1]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	397 this.historize(this.scrT);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	398 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	399 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	400 /* Historize here? */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	401 this.screen.removeChild(this.screen.childNodes[this.scrB]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	402 this.screen.insertBefore(blankrow, this.screen.childNodes[this.scrT]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	403 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	404 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	405 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	406 this.valign(); // needed?
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	407 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	408 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	409 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	410 newline: function (doReturn) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	411 if (this.c.y == this.scrB)
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	412 this.scroll(1);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	413 else if (this.c.y < this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	414 this.cmove(this.c.y + 1, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	415 /* If the cursor is at the bottom but outside the scrolling region,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	416 * nothing can be done. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	417 if (doReturn) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	418 this.cmove(null, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	419 }
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 antinewline: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	422 if (this.c.y == this.scrT)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	423 this.scroll(-1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	424 else if (this.c.y > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	425 this.cmove(this.c.y - 1, null);
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 advance: function () {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	428 if (this.c.x < this.w - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	429 this.cmove(null, this.c.x + 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	430 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	431 this.offedge = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	432 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	433 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	434 placechar: function (str) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	435 if (this.offedge) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	436 this.newline(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	437 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	438 var nextch = str.charAt(0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	439 var newcell = this.makeCell(nextch);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	440 var rowdiv = this.screen.childNodes[this.c.y];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	441 rowdiv.replaceChild(newcell, rowdiv.childNodes[this.c.x]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	442 this.flipCursor(); // The replace removed the cursor.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	443 /* Update the cursor. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	444 this.advance();
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 reset: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	447 /* Reset ALL state, hopefully in the right order. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	448 /* TODO test this and compare it with xterm */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	449 this.toNormBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	450 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	451 this.c.cset = 'B';
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	452 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	453 this.saved = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	454 this.normc = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	455 this.scrT = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	456 this.scrB = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	457 while (this.histbuf.firstChild != null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	458 this.histbuf.removeChild(this.histbuf.firstChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	459 }
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	460 for (var i = 0; i < this.h; i++) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	461 this.screen.replaceChild(this.makeRow(), this.screen.childNodes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	462 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	463 this.flipCursor(); // make it appear in the new row
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	464 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	465 return;
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 write: function (codes) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	468 //dchunk(codes);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	469 for (var i = 0; i < codes.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	470 /* First see if there's an incomplete command sequence waiting. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	471 if (this.comseq.length > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	472 if (this.comseq.length == 1 && this.comseq[0] == 27) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	473 /* Just ESC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	474 if (codes[i] == 55) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	475 /* ESC 7 : save cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	476 this.saveCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	477 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	478 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	479 else if (codes[i] == 56) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	480 /* ESC 8 : restore cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	481 this.restoreCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	482 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	483 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	484 else if (codes[i] == 61) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	485 /* ESC = : application keypad */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	486 keyHexCodes.appKeypad(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	487 this.comseq = [];
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 if (codes[i] == 62) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	490 /* ESC > : normal keypad */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	491 keyHexCodes.appKeypad(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	492 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	493 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	494 else if (codes[i] == 68) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	495 /* ESC D = IND */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	496 this.newline(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	497 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	498 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	499 else if (codes[i] == 69) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	500 /* ESC E = NEL */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	501 this.newline(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	502 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	503 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	504 else if (codes[i] == 77) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	505 /* ESC M = RI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	506 this.antinewline();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	507 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	508 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	509 else if (codes[i] == 91) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	510 /* ESC [ = CSI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	511 this.comseq[0] = 155;
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 if (codes[i] == 93) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	514 /* ESC [ = OSC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	515 this.comseq[0] = 157;
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 else if (codes[i] == 99) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	518 /* ESC c = reset */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	519 this.reset();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	520 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	521 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	522 else if (escSingle.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	523 /* An unimplemented two-char sequence. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	524 debug(1, "Unimplemented sequence ESC " + codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	525 this.comseq = [];
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 else if (escDouble.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	528 /* A three-char sequence. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	529 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	530 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	531 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	532 /* Nothing else is implemented yet. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	533 debug(1, "Unrecognized sequence ESC " + codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	534 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	535 }
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	536 if (this.comseq.length == 0) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	537 // A complete sequence was processed, clear lastcode.
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	538 this.lastcode = 0;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	539 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	540 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	541 else if (this.comseq.length == 2 && this.comseq[0] == 27) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	542 /* An ESC C N sequence. Not implemented. Doesn't check validity
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	543 * of N. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	544 if (this.comseq[1] == 40) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	545 if (codes[i] == 48) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	546 this.c.cset = "0";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	547 debug(0, "Switching to DEC graphics.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	548 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	549 else if (codes[i] == 66) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	550 this.c.cset = "B";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	551 debug(0, "Switching to ASCII.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	552 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	553 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	554 debug(1, "Unimplemented character set: " +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	555 String.fromCharCode(codes[i]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	556 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	557 debug(0, "cset is now: " + this.c.cset);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	558 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	559 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	560 debug(1, "Unknown sequence ESC " +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	561 String.fromCharCode(this.comseq[1]) + " 0x" +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	562 codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	563 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	564 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	565 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	566 else if (this.comseq[0] == 157) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	567 /* Commands beginning with OSC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	568 /* Check for string terminator */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	569 if (codes[i] == 7 \|\| codes[i] == 156 \|\| (codes[i] == 92 &&
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	570 this.comseq[this.comseq.length - 1] == 27)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	571 if (codes[i] == 92 && this.comseq[this.comseq.length - 1] == 27)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	572 this.comseq.pop();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	573 debug(0, "Got " + (this.comseq.length - 1) + "-byte OSC sequence");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	574 this.oscProcess();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	575 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	576 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	577 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	578 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	579 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	580 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	581 else if (this.comseq[0] == 155) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	582 /* Commands starting with CSI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	583 // End at first char that's not numeric ; ? > ! $ " space '
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	584 // i.e. letter @ ` lbrace \|
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	585 // ?>! must come directly after CSI
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	586 // $"'space must come directly before terminator
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	587 // FIXME put this checking code into csiProcess
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	588 if (csiPre.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	589 if (this.comseq.length > 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	590 /* Chars in csiPre can only occur right after the CSI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	591 debug(1, "Invalid CSI sequence: misplaced prefix");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	592 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	593 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	594 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	595 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	596 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	597 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	598 else if (csiPost.indexOf(this.comseq[this.comseq.length - 1]) >= 0 &&
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	599 !csiFinal(codes[i])) {
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	600 /* Chars in csiPost must come right before the final char */
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	601 debug(1, "Invalid CSI sequence: misplaced postfix");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	602 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	603 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	604 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	605 else if ((codes[i] >= 48 && codes[i] <= 57) \|\| codes[i] == 59 \|\|
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	606 csiPost.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	607 /* Numbers and ; can go anywhere */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	608 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	609 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	610 else if (csiFinal(codes[i])) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	611 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	612 this.csiProcess();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	613 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	614 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	615 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	616 debug(1, "Invalid CSI sequence: unknown code " + codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	617 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	618 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	619 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	620 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	621 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	622 debug(1, "Unknown sequence with " + this.comseq[0].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	623 this.comseq = [];
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	624 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	625 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	626 }
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	627 else if ((codes[i] >= 32 && codes[i] < 127) \|\| codes[i] >= 160) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	628 /* If it's ASCII, it's printable; take a risk on anything higher */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	629 if ((this.c.cset == "0") && (codes[i] in decChars)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	630 // DEC special character set
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	631 this.lastcode = decChars[codes[i]];
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	632 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	633 else {
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	634 this.lastcode = codes[i];
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	635 }
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	636 this.placechar(String.fromCharCode(this.lastcode));
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	637 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	638 else {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	639 /* Treat it as a single control character. */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	640 this.singleCtl(codes[i]);
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	641 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	642 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	643 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	644 },
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	645 singleCtl: function (ctlcode) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	646 if (ctlcode == 5) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	647 sendback("06");
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	648 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	649 else if (ctlcode == 7) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	650 /* bell */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	651 bell(true);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	652 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	653 else if (ctlcode == 8) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	654 /* backspace */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	655 if (this.offedge)
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	656 this.offedge = false;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	657 else if (this.c.x > 0)
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	658 this.cmove(null, this.c.x - 1);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	659 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	660 else if (ctlcode == 9) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	661 /* tab */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	662 var xnew;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	663 if (this.c.x < this.w - 1) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	664 xnew = 8 * (Math.floor(this.c.x / 8) + 1);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	665 if (xnew >= this.w)
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	666 xnew = this.w - 1;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	667 this.cmove(null, xnew);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	668 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	669 else {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	670 this.offedge = true;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	671 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	672 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	673 else if (ctlcode >= 10 && ctlcode <= 12) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	674 /* newline, vertical tab, form feed */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	675 if (this.offedge)
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	676 this.newline(true);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	677 else
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	678 this.newline(false);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	679 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	680 else if (ctlcode == 13) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	681 /* carriage return \r */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	682 this.cmove(null, 0);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	683 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	684 else if (ctlcode == 14) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	685 /* shift out */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	686 // Currently assuming that G1 is DEC Special & Line Drawing
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	687 this.c.cset = "0";
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	688 debug(0, "Using DEC graphics charset.");
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	689 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	690 else if (ctlcode == 15) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	691 /* shift in */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	692 // Currently assuming that G0 is ASCII
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	693 this.c.cset = "B";
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	694 debug(0, "Using ASCII charset.");
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	695 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	696 else if (ctlcode == 27) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	697 /* escape */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	698 this.comseq.push(27);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	699 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	700 else {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	701 debug(1, "Unprintable character 0x" + ctlcode.toString(16));
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	702 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	703 if (ctlcode != 27) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	704 // Sequences should preserve lastcode until they are completed
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	705 this.lastcode = 0;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	706 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	707 },
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	708 csiProcess: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	709 /* Processes the CSI sequence in this.comseq */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	710 var c = this.comseq[this.comseq.length - 1];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	711 if (this.comseq[0] != 155 \|\| !csiFinal(c))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	712 return;
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	713 var printed = false;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	714 var comstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	715 for (var i = 1; i < this.comseq.length; i++)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	716 comstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	717 debug(0, "CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	718 var reCSI = /^([>?!])?([0-9;]*)([ "$'])?([A-Za-z@`{\|])$/;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	719 var matchCSI = comstr.match(reCSI);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	720 if (!matchCSI) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	721 debug(1, "Unrecognized CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	722 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	723 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	724 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	725 var prefix = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	726 if (matchCSI[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	727 prefix = matchCSI[1];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	728 var postfix = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	729 if (matchCSI[3])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	730 postfix = matchCSI[3];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	731 var params = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	732 if (matchCSI[2]) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	733 var numstrs = matchCSI[2].split(";");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	734 for (var i = 0; i < numstrs.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	735 if (numstrs[i])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	736 params.push(Number(numstrs[i]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	737 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	738 params.push(null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	739 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	740 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	741 /* Useful if expecting a single parameter which is a count. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	742 var count = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	743 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	744 count = params[0];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	745 /* The final character determines the action. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	746 if (c == 64) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	747 /* @ - insert spaces at cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	748 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	749 debug(1, "Invalid CSI @ sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	750 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	751 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	752 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	753 /* The cursor stays still, but characters move out from under it. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	754 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	755 var rowdiv = this.screen.childNodes[this.c.y];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	756 var newspace;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	757 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	758 newspace = this.makeCell(' ');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	759 rowdiv.insertBefore(newspace, rowdiv.childNodes[this.c.x]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	760 rowdiv.removeChild(rowdiv.lastChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	761 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	762 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	763 /* Finally, put the cursor back. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	764 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	765 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	766 else if (c >= 65 && c <= 71) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	767 /* A - up, B - down, C - forward, D - backward */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	768 /* E - next line, F - previous line, G - to column */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	769 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	770 debug(1, "Invalid CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	771 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	772 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	773 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	774 /* These may be out of range, but cmove will take care of that. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	775 if (c == 65)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	776 this.cmove(this.c.y - count, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	777 else if (c == 66)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	778 this.cmove(this.c.y + count, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	779 else if (c == 67)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	780 this.cmove(null, this.c.x + count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	781 else if (c == 68)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	782 this.cmove(null, this.c.x - count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	783 else if (c == 69)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	784 this.cmove(this.c.y + count, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	785 else if (c == 70)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	786 this.cmove(this.c.y - count, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	787 else if (c == 71)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	788 this.cmove(null, count - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	789 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	790 else if (c == 72) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	791 /* H - move */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	792 var x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	793 var y = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	794 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	795 debug(1, "Invalid CSI H sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	796 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	797 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	798 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	799 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	800 y = params[0] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	801 if (params[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	802 x = params[1] - 1;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	803 if (y >= this.h)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	804 y = this.h - 1;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	805 if (x >= this.w)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	806 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	807 debug(0, "Moving to row " + y + ", col " + x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	808 this.cmove(y, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	809 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	810 else if (c == 73) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	811 /* I - move forward by tabs */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	812 var x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	813 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	814 debug(1, "Invalid CSI I sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	815 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	816 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	817 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	818 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	819 x = 8 * (Math.floor(x / 8) + 1);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	820 if (x >= this.w) {
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	821 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	822 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	823 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	824 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	825 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	826 this.cmove(null, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	827 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	828 else if (c == 74) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	829 /* J - erase display */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	830 var start;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	831 var end;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	832 var cols;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	833 if (prefix == '?')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	834 debug(1, "Warning: CSI ?J not implemented");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	835 else if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	836 debug(1, "Invalid CSI J sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	837 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	838 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	839 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	840 if (!params[0]) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	841 /* Either 0 or not given */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	842 start = this.c.y + 1;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	843 end = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	844 cols = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	845 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	846 else if (params[0] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	847 start = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	848 end = this.c.y - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	849 cols = -1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	850 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	851 else if (params[0] == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	852 start = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	853 end = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	854 cols = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	855 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	856 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	857 debug(1, "Unimplemented parameter in CSI J sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	858 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	859 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	860 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	861 for (var nrow = start; nrow <= end; nrow++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	862 this.screen.replaceChild(this.makeRow(), this.screen.childNodes[nrow]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	863 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	864 if (cols != 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	865 /* Otherwise, the whole screen was erased and the active row doesn't
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	866 * need special treatment. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	867 var cursrow = this.screen.childNodes[this.c.y];
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	868 for (var ncol = this.c.x; ncol >= 0 && ncol < this.w; ncol += cols) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	869 cursrow.replaceChild(this.makeCell(' '), cursrow.childNodes[ncol]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	870 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	871 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	872 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	873 /* Always flip after replacing the active position. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	874 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	875 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	876 else if (c == 75) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	877 /* K - erase line */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	878 /* The ? is for an erase method that respects an "uneraseable" attribute,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	879 * which isn't implemented, so the methods are equivalent for now. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	880 var start;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	881 var end;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	882 if (prefix == '?')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	883 debug(1, "Warning: CSI ?K not implemented");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	884 else if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	885 debug(1, "Invalid CSI K sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	886 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	887 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	888 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	889 /* 0 (default): right, 1: left, 2: all. Include cursor position. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	890 if (params[0] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	891 start = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	892 end = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	893 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	894 else if (params[0] == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	895 start = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	896 end = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	897 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	898 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	899 start = this.c.x;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	900 end = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	901 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	902 var rowdiv = this.screen.childNodes[this.c.y];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	903 for (var i = start; i <= end; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	904 rowdiv.replaceChild(this.makeCell(' '), rowdiv.childNodes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	905 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	906 /* Deleting stuff tends to clear this */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	907 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	908 /* The active position is always cleared, so the cursor must be made
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	909 * visible again. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	910 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	911 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	912 else if (c == 76 \|\| c == 77) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	913 /* L - insert lines at the current position.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	914 * M - delete current lines */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	915 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	916 debug(1, "Invalid CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	917 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	918 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	919 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	920 /* CSI LM have no effect outside of the scrolling region */
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	921 if (this.c.y < this.scrT \|\| this.c.y > this.scrB) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	922 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	923 return;
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	924 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	925 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	926 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	927 var blankrow = this.makeRow();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	928 if (c == 76) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	929 this.historize(this.scrB);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	930 this.screen.insertBefore(blankrow, this.screen.childNodes[this.c.y]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	931 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	932 else {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	933 if (this.scrB == this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	934 this.screen.appendChild(blankrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	935 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	936 this.screen.insertBefore(blankrow, this.screen.childNodes[this.scrB
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	937 + 1]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	938 this.historize(this.c.y);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	939 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	940 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	941 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	942 /* It doesn't seem necessary to reset this, but xterm does it. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	943 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	944 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	945 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	946 else if (c == 80) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	947 /* P - delete at active position, causing cells on the right to shift. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	948 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	949 debug(1, "Invalid CSI P sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	950 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	951 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	952 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	953 var cursrow = this.screen.childNodes[this.c.y];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	954 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	955 cursrow.removeChild(cursrow.childNodes[this.c.x]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	956 cursrow.appendChild(this.makeCell(' '));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	957 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	958 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	959 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	960 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	961 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	962 else if (c == 83 \|\| c == 84) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	963 /* S - scroll up, T - scroll down */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	964 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	965 debug(1, "Invalid CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	966 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	967 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	968 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	969 if (c == 83)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	970 this.scroll(count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	971 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	972 this.scroll(-count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	973 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	974 else if (c == 88) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	975 /* X - erase characters */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	976 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	977 debug(1, "Invalid CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	978 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	979 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	980 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	981 var row = this.screen.childNodes[this.c.y];
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	982 for (var i = 0; i < count && this.c.x + i < this.w; i++) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	983 row.replaceChild(this.makeCell(' '), row.childNodes[this.c.x + i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	984 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	985 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	986 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	987 else if (c == 90) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	988 /* Z - tab backwards */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	989 var x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	990 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	991 debug(1, "Invalid CSI Z sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	992 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	993 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	994 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	995 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	996 x = 8 * (Math.ceil(x / 8) - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	997 if (x < 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	998 x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	999 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1000 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1001 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1002 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1003 this.cmove(null, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1004 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1005 else if (c == 96) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1006 /* ` - go to col */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1007 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1008 debug(1, "Invalid CSI ` sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1009 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1010 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1011 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1012 this.cmove(null, count - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1013 }
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1014 else if (c == 98) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1015 /* b - repeat previous character */
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1016 if (this.lastcode !== 0) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1017 while (count > 0) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1018 this.placechar(String.fromCharCode(this.lastcode));
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1019 count--;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1020 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1021 printed = true;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1022 }
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1023 }
149 6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1024 else if (c == 99) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1025 /* c - query terminal attributes */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1026 if (prefix !== null) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1027 debug(1, "Unimplemented CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1028 this.lastcode = 0;
149 6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1029 return;
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1030 }
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1031 /* "CSI ? 1 ; 2 c" - VT100 */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1032 sendback("1b5b3f313b3263");
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1033 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1034 else if (c == 100) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1035 /* d - go to row */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1036 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1037 debug(1, "Invalid CSI d sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1038 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1039 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1040 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1041 this.cmove(count - 1, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1042 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1043 else if (c == 102) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1044 /* f - move */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1045 var x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1046 var y = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1047 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1048 debug(1, "Invalid CSI f sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1049 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1050 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1051 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1052 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1053 y = params[0] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1054 if (params[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1055 x = params[1] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1056 this.cmove(y, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1057 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1058 else if (c == 104) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1059 /* h - set modes */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1060 if (prefix != '?') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1061 debug(1, "Unimplemented CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1062 this.lastcode = 0;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1063 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1064 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1065 for (var i = 0; i < params.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1066 if (params[i] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1067 keyHexCodes.appCursor(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1068 }
54 de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1069 else if (params[i] == 7) {
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1070 /* Wraparound ON is the only mode implemented. */
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1071 debug(0, "Wraparound mode");
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1072 }
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1073 else if (params[i] == 25) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1074 /* Show the cursor. */
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1075 if (!this.c.visible) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1076 this.c.visible = true;
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1077 this.flipCursor();
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1078 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1079 debug(0, "Showing cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1080 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1081 else if (params[i] == 1048) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1082 this.saveCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1083 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1084 else if (params[i] == 1049) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1085 this.toAltBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1086 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1087 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1088 debug(1, "Unimplemented CSI ?h parameter: " + params[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1089 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1090 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1091 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1092 else if (c == 108) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1093 /* l - reset modes */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1094 if (prefix != '?') {
54 de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1095 if (prefix === null && params[0] == 4) {
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1096 /* Insert mode is not implemented. */
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1097 debug(0, "Replace mode");
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1098 }
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1099 else {
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1100 debug(1, "Unimplemented CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1101 this.lastcode = 0;
54 de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1102 return;
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1103 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1104 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1105 for (var i = 0; i < params.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1106 if (params[i] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1107 keyHexCodes.appCursor(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1108 }
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1109 else if (params[i] == 12) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1110 debug(0, "Stopping blinking cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1111 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1112 else if (params[i] == 25) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1113 /* Hide the cursor. */
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1114 if (this.c.visible) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1115 this.flipCursor();
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1116 this.c.visible = false;
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1117 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1118 debug(0, "Hiding cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1119 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1120 else if (params[i] == 1048) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1121 this.restoreCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1122 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1123 else if (params[i] == 1049) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1124 this.toNormBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1125 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1126 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1127 debug(1, "Unimplemented CSI ?l parameter: " + params[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1128 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1129 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1130 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1131 else if (c == 109) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1132 /* m - character attributes */
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1133 if (prefix !== null) {
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1134 debug(1, "Unimplemented CSI sequence: " + comstr);
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1135 this.lastcode = 0;
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1136 return;
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1137 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1138 if (params.length == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1139 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1140 for (var i = 0; i < params.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1141 if (params[i] == null \|\| params[i] == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1142 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1143 else if (params[i] == 1)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1144 this.c.bold = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1145 else if (params[i] == 4)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1146 this.c.uline = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1147 else if (params[i] == 7)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1148 this.c.inverse = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1149 else if (params[i] == 22)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1150 this.c.bold = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1151 else if (params[i] == 24)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1152 this.c.uline = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1153 else if (params[i] == 27)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1154 this.c.inverse = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1155 else if (params[i] >= 30 && params[i] <= 37)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1156 this.c.fg = params[i] - 30;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1157 else if (params[i] == 39)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1158 this.c.fg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1159 else if (params[i] >= 40 && params[i] <= 47)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1160 this.c.bg = params[i] - 40;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1161 else if (params[i] == 49)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1162 this.c.bg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1163 else if (params[i] >= 90 && params[i] <= 97)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1164 this.c.fg = params[i] - 82;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1165 else if (params[i] >= 100 && params[i] <= 107)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1166 this.c.bg = params[i] - 92;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1167 else if (params[i] == 38 && params[i + 1] == 5) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1168 if (i + 2 < params.length && params[i+2] != null && params[i+2] < 256)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1169 this.c.fg = params[i+2];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1170 i += 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1171 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1172 else if (params[i] == 48 && params[i + 1] == 5) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1173 if (i + 2 < params.length && params[i+2] != null && params[i+2] < 256)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1174 this.c.bg = params[i+2];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1175 i += 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1176 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1177 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1178 debug(1, "Unimplemented CSI m parameter: " + params[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1179 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1180 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1181 else if (c == 114) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1182 /* r - set scrolling region */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1183 var t = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1184 var b = this.h - 1;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1185 if (params[0] && params[0] <= this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1186 t = params[0] - 1;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1187 if (params[1] && params[1] <= this.h)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1188 b = params[1] - 1;
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1189 if (b > t) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1190 this.scrT = t;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1191 this.scrB = b;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1192 this.cmove(0, 0);
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1193 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1194 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1195 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1196 debug(1, "Unimplemented CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1197 }
211 d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1198 if (!printed) {
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1199 this.lastcode = 0;
d60063a674e1 Terminal emulation: implement the CSI b sequence. John "Elwin" Edwards parents: 150 diff changeset	1200 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1201 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1202 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1203 oscProcess: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1204 var numstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1205 var i;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1206 for (i = 1; i < this.comseq.length; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1207 if (this.comseq[i] >= 48 && this.comseq[i] <= 57)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1208 numstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1209 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1210 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1211 }
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1212 if (i < this.comseq.length && this.comseq[i] != 59) {
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1213 debug(1, "Invalid OSC sequence: " + this.comseq.toString());
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1214 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1215 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1216 var codenum = Number(numstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1217 var msgstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1218 i++;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1219 while (i < this.comseq.length) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1220 msgstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1221 i++;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1222 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1223 if (codenum == 0 \|\| codenum == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1224 setTitle(msgstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1225 }
149 6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1226 else if (codenum >= 110 && codenum <= 118) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1227 /* Reset colors that can't be changed yet anyway */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1228 debug(0, "Resetting dynamic color " + codenum);
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1229 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1230 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1231 debug(1, "Unimplemented OSC command " + codenum + " " + msgstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1232 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1233 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1234 makeCell: function(c) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1235 var tnode;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1236 if (c && c.charAt && c.charAt(0))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1237 tnode = document.createTextNode(c.charAt(0));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1238 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1239 tnode = document.createTextNode(' ');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1240 var cell = document.createElement("span");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1241 cell.className = "termcell";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1242 /* cssColor will handle reverse-video and bold->bright */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1243 cell.style.color = this.cssColor(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1244 cell.style.backgroundColor = this.cssColor(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1245 if (this.c.bold)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1246 cell.style.fontWeight = "bold";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1247 if (this.c.uline)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1248 cell.style.textDecoration = "underline";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1249 cell.appendChild(tnode);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1250 return cell;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1251 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1252 makeRow: function() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1253 var blankrow = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1254 blankrow.className = "termrow";
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1255 for (var i = 0; i < this.w; i++)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1256 blankrow.appendChild(this.makeCell(' '));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1257 return blankrow;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1258 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1259 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1260
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1261 function dchunk(codes) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1262 var dstr = "Chunk: ";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1263 for (var i = 0; i < codes.length; i++) {
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1264 if (codes[i] == 27)
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1265 dstr += "\\e";
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1266 else if (codes[i] == 92)
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1267 dstr += "\\\\";
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1268 else if (codes[i] < 32 \|\| (codes[i] >= 127 && codes[i] < 160))
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1269 dstr += "\\x" + codes[i].toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1270 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1271 dstr += String.fromCharCode(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1272 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1273 debug(1, dstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1274 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1275 }