RLGWebD: termemu.js annotate

annotate termemu.js @ 190:11b7baed2e21

Stop printing credentials in the logfile. This was nice for debugging, but could lead to security problems.

author	John "Elwin" Edwards
date	Sat, 31 Jan 2015 18:13:24 -0500
parents	1d3cfe10974a
children	d60063a674e1

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
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	74 clearAttrs: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	75 /* 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	76 this.c.bold = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	77 this.c.inverse = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	78 this.c.uline = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	79 this.c.fg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	80 this.c.bg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	81 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	82 saved: null, // saved cursor
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	83 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	84 ansicolors: ["#000000", "#b21818", "#18b218", "#b26818", "#1818b2",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	85 "#b218b2", "#18b2b2", "#b2b2b2"],
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	86 brightcolors: ["#686868", "#ff5454", "#54ff54", "#ffff54", "#5454ff",
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	87 "#ff54ff", "#54ffff", "#ffffff"],
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	88 cssColor: function (fg) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	89 /* 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	90 var n;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	91 var fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	92 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	93 if (this.c.inverse)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	94 fg = !fg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	95 if (fg) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	96 n = this.c.fg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	97 fallback = this.fgColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	98 if (n == null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	99 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	100 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	101 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	102 n = this.c.bg;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	103 fallback = this.bgColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	104 if (n == null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	105 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	106 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	107 if (n < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	108 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	109 else if (n < 8) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	110 if (this.c.bold && fg)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	111 return this.brightcolors[n];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	112 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	113 return this.ansicolors[n];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	114 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	115 else if (n < 16)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	116 return this.brightcolors[n - 8];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	117 else if (n < 232) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	118 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	119 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	120 var b = cube6[(n - 16) % 6];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	121 return "#" + r + g + b;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	122 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	123 else if (n < 256) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	124 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	125 if (colstr.length < 2)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	126 colstr = "0" + colstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	127 return "#" + colstr + colstr + colstr;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	128 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	129 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	130 return fallback;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	131 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	132 // 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	133 shift: false,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	134 shiftp: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	135 return this.shift;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	136 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	137 toggleshift: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	138 this.shift = !this.shift;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	139 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	140 ctrl: false,
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	141 ctrlp: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	142 return this.ctrl;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	143 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	144 togglectrl: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	145 this.ctrl = !this.ctrl;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	146 },
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	147 init: function (divID, h, w) {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	148 /* Makes a div full of character cells. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	149 if (this.screen != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	150 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	151 var owrap = document.getElementById(divID);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	152 if (!owrap)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	153 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	154 while (owrap.firstChild != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	155 owrap.removeChild(owrap.firstChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	156 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	157 /* Set up the sizes. */
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	158 var tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	159 tn = Number(h);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	160 if (tn > 0 && tn < 256)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	161 this.h = tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	162 else
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	163 this.h = 24;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	164 tn = Number(w);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	165 if (tn > 0 && tn < 256)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	166 this.w = tn;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	167 else
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	168 this.w = 80;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	169 this.scrB = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	170 /* Create the contents of the terminal div */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	171 this.inwrap = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	172 this.inwrap.id = "inwrap";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	173 owrap.appendChild(this.inwrap);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	174 var termdiv = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	175 termdiv.id = "term";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	176 termdiv.style.fontSize = "12px";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	177 this.inwrap.appendChild(termdiv);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	178 /* Set up the screen buffers */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	179 this.histbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	180 this.histbuf.id = "histbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	181 termdiv.appendChild(this.histbuf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	182 this.normbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	183 this.normbuf.id = "normbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	184 termdiv.appendChild(this.normbuf);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	185 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	186 this.normbuf.appendChild(this.makeRow());
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	187 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	188 this.altbuf = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	189 this.altbuf.id = "altbuf";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	190 termdiv.appendChild(this.altbuf);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	191 this.altbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	192 /* 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	193 /* Attach them. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	194 this.view = termdiv;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	195 this.screen = this.normbuf;
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	196 this.fixsize();
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	197 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	198 },
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	199 resize: function (h, w) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	200 if (this.screen == null)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	201 return;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	202 if (!(h > 0 && h < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	203 h = this.h;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	204 if (!(w > 0 && w < 256))
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	205 w = this.w;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	206 /* 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	207 var allrows = Array().concat(this.histbuf.childNodes,
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	208 this.normbuf.childNodes,
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	209 this.altbuf.childNodes);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	210 for (var i = 0; i < allrows.length; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	211 var row = allrows[i];
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	212 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	213 if (w < this.w)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	214 row.removeChild(row.childNodes.lastChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	215 else
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	216 row.appendChild(this.makeCell(' '));
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	217 }
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 this.w = w;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	220 /* Now the rows. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	221 /* Resizing altbuf isn't always necessary. */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	222 /* 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	223 * 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	224 */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	225 if (h > this.h) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	226 for (var i = this.h; i < h; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	227 this.normbuf.appendChild(this.makeRow());
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	228 this.altbuf.appendChild(this.makeRow());
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	229 }
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 else if (h < this.h) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	232 for (var i = h; i < this.h; i++) {
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	233 this.histbuf.appendChild(this.normbuf.firstChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	234 if (this.altbuf.firstChild)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	235 this.altbuf.removeChild(this.altbuf.firstChild);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	236 }
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 /* Keep it on the bottom */
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	239 if (this.scrB == this.h - 1)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	240 this.scrB = h - 1;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	241 else if (this.scrB >= h)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	242 this.scrB = h - 1;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	243 if (this.scrT >= h - 1)
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	244 this.scrT = 0;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	245 this.h = h;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	246 this.fixsize();
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	247 /* 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	248 this.cmove(null, null);
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	249 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	250 return;
826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	251 },
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	252 valign: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	253 if (this.screen == this.normbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	254 this.inwrap.scrollTop = this.histbuf.clientHeight;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	255 },
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	256 fixsize: function () {
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	257 var owrap = document.getElementById("termwrap");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	258 /* Set the height up properly. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	259 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	260 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	261 // 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	262 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	263 // And resize accordingly.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	264 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	265 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	266 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	267 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	268 comseq: [], // Part of an impending control sequence
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	269 flipCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	270 /* 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	271 /* 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	272 /* Check: the cursor might be offscreen if it was resized. */
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	273 if (!this.c.visible)
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	274 return;
9 826a7ced69f8 Make the emulator screen resizable. John "Elwin" Edwards <elwin@sdf.org> parents: 4 diff changeset	275 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	276 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	277 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	278 var tempswap = oldcell.style.color;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	279 oldcell.style.color = oldcell.style.backgroundColor;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	280 oldcell.style.backgroundColor = tempswap;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	281 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	282 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	283 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	284 saveCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	285 this.saved = new Cursor(this.c);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	286 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	287 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	288 restoreCursor: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	289 if (!this.saved) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	290 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	291 this.c = new Cursor(null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	292 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	293 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	294 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	295 this.c = new Cursor(this.saved);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	296 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	297 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	298 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	299 toAltBuf: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	300 if (this.screen == this.altbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	301 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	302 while (this.altbuf.firstChild != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	303 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	304 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	305 this.altbuf.appendChild(this.makeRow());
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	306 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	307 this.normc = new Cursor(this.c);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	308 this.altbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	309 this.normbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	310 this.histbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	311 this.screen = this.altbuf;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	312 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	313 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	314 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	315 toNormBuf: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	316 if (this.screen == this.normbuf)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	317 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	318 this.altbuf.style.display = "none";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	319 this.normbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	320 this.histbuf.style.display = "table-row-group";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	321 this.screen = this.normbuf;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	322 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	323 /* 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	324 * 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	325 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	326 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	327 this.c = new Cursor(this.normc);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	328 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	329 cmove: function (y, x) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	330 /* 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	331 /* 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	332 /* Sanity checks and initializations. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	333 if (x == null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	334 if (this.c.x != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	335 x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	336 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	337 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	338 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	339 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	340 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	341 if (x < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	342 x = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	343 else if (x >= this.w)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	344 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	345 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	346 if (y == null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	347 if (this.c.y != null)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	348 y = this.c.y;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	349 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	350 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	351 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	352 else if (y < 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	353 y = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	354 else if (y >= this.h)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	355 y = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	356 /* Un-reverse video the current location. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	357 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	358 this.c.x = x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	359 this.c.y = y;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	360 /* Reverse-video the new location. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	361 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	362 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	363 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	364 historize: function (n) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	365 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	366 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	367 var oldrow = this.screen.childNodes[n];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	368 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	369 this.histbuf.appendChild(oldrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	370 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	371 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	372 this.screen.removeChild(oldrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	373 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	374 /* These may not be the correct heights... */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	375 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	376 this.valign();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	377 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	378 scroll: function (lines) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	379 if (lines == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	380 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	381 var count;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	382 if (lines > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	383 count = lines;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	384 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	385 count = -lines;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	386 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	387 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	388 var blankrow = this.makeRow();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	389 /* Careful with the order */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	390 if (lines > 0) {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	391 if (this.scrB == this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	392 this.screen.appendChild(blankrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	393 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	394 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	395 + 1]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	396 this.historize(this.scrT);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	397 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	398 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	399 /* Historize here? */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	400 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	401 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	402 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	403 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	404 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	405 this.valign(); // needed?
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	406 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	407 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	408 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	409 newline: function (doReturn) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	410 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	411 this.scroll(1);
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	412 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	413 this.cmove(this.c.y + 1, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	414 /* 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	415 * nothing can be done. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	416 if (doReturn) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	417 this.cmove(null, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	418 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	419 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	420 antinewline: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	421 if (this.c.y == this.scrT)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	422 this.scroll(-1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	423 else if (this.c.y > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	424 this.cmove(this.c.y - 1, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	425 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	426 advance: function () {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	427 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	428 this.cmove(null, this.c.x + 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	429 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	430 this.offedge = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	431 }
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 placechar: function (str) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	434 if (this.offedge) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	435 this.newline(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	436 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	437 var nextch = str.charAt(0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	438 var newcell = this.makeCell(nextch);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	439 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	440 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	441 this.flipCursor(); // The replace removed the cursor.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	442 /* Update the cursor. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	443 this.advance();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	444 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	445 reset: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	446 /* 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	447 /* 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	448 this.toNormBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	449 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	450 this.c.cset = 'B';
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	451 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	452 this.saved = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	453 this.normc = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	454 this.scrT = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	455 this.scrB = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	456 while (this.histbuf.firstChild != null) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	457 this.histbuf.removeChild(this.histbuf.firstChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	458 }
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	459 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	460 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	461 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	462 this.flipCursor(); // make it appear in the new row
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	463 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	464 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	465 write: function (codes) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	466 //dchunk(codes);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	467 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	468 /* 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	469 if (this.comseq.length > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	470 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	471 /* Just ESC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	472 if (codes[i] == 55) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	473 /* ESC 7 : save cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	474 this.saveCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	475 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	476 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	477 else if (codes[i] == 56) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	478 /* ESC 8 : restore cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	479 this.restoreCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	480 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	481 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	482 else if (codes[i] == 61) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	483 /* ESC = : application keypad */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	484 keyHexCodes.appKeypad(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	485 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	486 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	487 else if (codes[i] == 62) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	488 /* ESC > : normal keypad */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	489 keyHexCodes.appKeypad(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	490 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	491 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	492 else if (codes[i] == 68) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	493 /* ESC D = IND */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	494 this.newline(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	495 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	496 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	497 else if (codes[i] == 69) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	498 /* ESC E = NEL */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	499 this.newline(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	500 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	501 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	502 else if (codes[i] == 77) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	503 /* ESC M = RI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	504 this.antinewline();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	505 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	506 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	507 else if (codes[i] == 91) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	508 /* ESC [ = CSI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	509 this.comseq[0] = 155;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	510 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	511 else if (codes[i] == 93) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	512 /* ESC [ = OSC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	513 this.comseq[0] = 157;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	514 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	515 else if (codes[i] == 99) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	516 /* ESC c = reset */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	517 this.reset();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	518 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	519 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	520 else if (escSingle.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	521 /* An unimplemented two-char sequence. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	522 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	523 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	524 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	525 else if (escDouble.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	526 /* A three-char sequence. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	527 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	528 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	529 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	530 /* Nothing else is implemented yet. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	531 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	532 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	533 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	534 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	535 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	536 /* 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	537 * of N. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	538 if (this.comseq[1] == 40) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	539 if (codes[i] == 48) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	540 this.c.cset = "0";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	541 debug(0, "Switching to DEC graphics.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	542 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	543 else if (codes[i] == 66) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	544 this.c.cset = "B";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	545 debug(0, "Switching to ASCII.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	546 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	547 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	548 debug(1, "Unimplemented character set: " +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	549 String.fromCharCode(codes[i]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	550 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	551 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	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, "Unknown sequence ESC " +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	555 String.fromCharCode(this.comseq[1]) + " 0x" +
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	556 codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	557 this.comseq = [];
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 if (this.comseq[0] == 157) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	560 /* Commands beginning with OSC */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	561 /* Check for string terminator */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	562 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	563 this.comseq[this.comseq.length - 1] == 27)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	564 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	565 this.comseq.pop();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	566 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	567 this.oscProcess();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	568 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	569 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	570 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	571 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	572 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	573 else if (this.comseq[0] == 155) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	574 /* Commands starting with CSI */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	575 // 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	576 // i.e. letter @ ` lbrace \|
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	577 // ?>! must come directly after CSI
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	578 // $"'space must come directly before terminator
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	579 // FIXME put this checking code into csiProcess
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	580 if (csiPre.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	581 if (this.comseq.length > 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	582 /* 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	583 debug(1, "Invalid CSI sequence: misplaced prefix");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	584 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	585 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	586 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	587 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	588 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	589 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	590 !csiFinal(codes[i])) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	591 /* Chars is csiPost must come right before the final char */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	592 debug(1, "Invalid CSI sequence: misplaced postfix");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	593 this.comseq = [];
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 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	596 csiPost.indexOf(codes[i]) >= 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	597 /* Numbers and ; can go anywhere */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	598 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	599 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	600 else if (csiFinal(codes[i])) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	601 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	602 this.csiProcess();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	603 this.comseq = [];
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 {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	606 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	607 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	608 }
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 {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	611 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	612 this.comseq = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	613 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	614 continue;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	615 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	616 /* Treat it as a single character. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	617 if (codes[i] == 5) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	618 sendback("06");
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 else if (codes[i] == 7) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	621 /* bell */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	622 bell(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	623 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	624 else if (codes[i] == 8) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	625 /* backspace */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	626 if (this.offedge)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	627 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	628 else if (this.c.x > 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	629 this.cmove(null, this.c.x - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	630 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	631 else if (codes[i] == 9) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	632 /* tab */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	633 var xnew;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	634 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	635 xnew = 8 * (Math.floor(this.c.x / 8) + 1);
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	636 if (xnew >= this.w)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	637 xnew = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	638 this.cmove(null, xnew);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	639 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	640 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	641 this.offedge = true;
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 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	644 else if (codes[i] >= 10 && codes[i] <= 12) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	645 /* newline, vertical tab, form feed */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	646 if (this.offedge)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	647 this.newline(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	648 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	649 this.newline(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	650 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	651 else if (codes[i] == 13) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	652 /* carriage return \r */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	653 this.cmove(null, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	654 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	655 else if (codes[i] == 14) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	656 /* shift out */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	657 // Currently assuming that G1 is DEC Special & Line Drawing
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	658 this.c.cset = "0";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	659 debug(0, "Using DEC graphics charset.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	660 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	661 else if (codes[i] == 15) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	662 /* shift in */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	663 // Currently assuming that G0 is ASCII
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	664 this.c.cset = "B";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	665 debug(0, "Using ASCII charset.");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	666 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	667 else if (codes[i] == 27) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	668 /* escape */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	669 this.comseq.push(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	670 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	671 else if (codes[i] < 32 \|\| (codes[i] >= 127 && codes[i] < 160)) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	672 /* Some kind of control character. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	673 debug(1, "Unprintable character 0x" + codes[i].toString(16));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	674 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	675 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	676 /* 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	677 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	678 // DEC special character set
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	679 this.placechar(String.fromCharCode(decChars[codes[i]]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	680 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	681 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	682 this.placechar(String.fromCharCode(codes[i]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	683 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	684 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	685 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	686 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	687 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	688 csiProcess: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	689 /* Processes the CSI sequence in this.comseq */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	690 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	691 if (this.comseq[0] != 155 \|\| !csiFinal(c))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	692 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	693 var comstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	694 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	695 comstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	696 debug(0, "CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	697 var reCSI = /^([>?!])?([0-9;]*)([ "$'])?([A-Za-z@`{\|])$/;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	698 var matchCSI = comstr.match(reCSI);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	699 if (!matchCSI) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	700 debug(1, "Unrecognized CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	701 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	702 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	703 var prefix = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	704 if (matchCSI[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	705 prefix = matchCSI[1];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	706 var postfix = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	707 if (matchCSI[3])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	708 postfix = matchCSI[3];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	709 var params = [];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	710 if (matchCSI[2]) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	711 var numstrs = matchCSI[2].split(";");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	712 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	713 if (numstrs[i])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	714 params.push(Number(numstrs[i]));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	715 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	716 params.push(null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	717 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	718 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	719 /* 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	720 var count = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	721 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	722 count = params[0];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	723 /* The final character determines the action. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	724 if (c == 64) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	725 /* @ - insert spaces at cursor */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	726 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	727 debug(1, "Invalid CSI @ sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	728 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	729 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	730 /* 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	731 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	732 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	733 var newspace;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	734 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	735 newspace = this.makeCell(' ');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	736 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	737 rowdiv.removeChild(rowdiv.lastChild);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	738 count--;
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 /* Finally, put the cursor back. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	741 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	742 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	743 else if (c >= 65 && c <= 71) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	744 /* 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	745 /* 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	746 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	747 debug(1, "Invalid CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	748 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	749 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	750 /* 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	751 if (c == 65)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	752 this.cmove(this.c.y - count, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	753 else if (c == 66)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	754 this.cmove(this.c.y + count, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	755 else if (c == 67)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	756 this.cmove(null, this.c.x + count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	757 else if (c == 68)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	758 this.cmove(null, this.c.x - count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	759 else if (c == 69)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	760 this.cmove(this.c.y + count, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	761 else if (c == 70)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	762 this.cmove(this.c.y - count, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	763 else if (c == 71)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	764 this.cmove(null, count - 1);
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 == 72) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	767 /* H - move */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	768 var x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	769 var y = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	770 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	771 debug(1, "Invalid CSI H sequence: " + comstr);
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 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	775 y = params[0] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	776 if (params[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	777 x = params[1] - 1;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	778 if (y >= this.h)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	779 y = this.h - 1;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	780 if (x >= this.w)
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	781 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	782 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	783 this.cmove(y, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	784 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	785 else if (c == 73) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	786 /* I - move forward by tabs */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	787 var x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	788 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	789 debug(1, "Invalid CSI I sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	790 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	791 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	792 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	793 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	794 if (x >= this.w) {
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	795 x = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	796 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	797 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	798 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	799 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	800 this.cmove(null, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	801 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	802 else if (c == 74) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	803 /* J - erase display */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	804 var start;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	805 var end;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	806 var cols;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	807 if (prefix == '?')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	808 debug(1, "Warning: CSI ?J not implemented");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	809 else if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	810 debug(1, "Invalid CSI J sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	811 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	812 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	813 if (!params[0]) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	814 /* Either 0 or not given */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	815 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	816 end = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	817 cols = 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	818 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	819 else if (params[0] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	820 start = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	821 end = this.c.y - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	822 cols = -1;
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 else if (params[0] == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	825 start = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	826 end = this.h - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	827 cols = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	828 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	829 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	830 debug(1, "Unimplemented parameter in CSI J sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	831 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	832 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	833 for (var nrow = start; nrow <= end; nrow++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	834 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	835 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	836 if (cols != 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	837 /* 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	838 * need special treatment. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	839 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	840 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	841 cursrow.replaceChild(this.makeCell(' '), cursrow.childNodes[ncol]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	842 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	843 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	844 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	845 /* Always flip after replacing the active position. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	846 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	847 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	848 else if (c == 75) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	849 /* K - erase line */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	850 /* 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	851 * 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	852 var start;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	853 var end;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	854 if (prefix == '?')
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	855 debug(1, "Warning: CSI ?K not implemented");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	856 else if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	857 debug(1, "Invalid CSI K sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	858 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	859 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	860 /* 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	861 if (params[0] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	862 start = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	863 end = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	864 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	865 else if (params[0] == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	866 start = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	867 end = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	868 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	869 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	870 start = this.c.x;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	871 end = this.w - 1;
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	872 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	873 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	874 for (var i = start; i <= end; i++) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	875 rowdiv.replaceChild(this.makeCell(' '), rowdiv.childNodes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	876 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	877 /* Deleting stuff tends to clear this */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	878 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	879 /* 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	880 * visible again. */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	881 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	882 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	883 else if (c == 76 \|\| c == 77) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	884 /* L - insert lines at the current position.
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	885 * M - delete current lines */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	886 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	887 debug(1, "Invalid CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	888 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	889 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	890 /* CSI LM have no effect outside of the scrolling region */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	891 if (this.c.y < this.scrT \|\| this.c.y > this.scrB)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	892 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	893 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	894 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	895 var blankrow = this.makeRow();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	896 if (c == 76) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	897 this.historize(this.scrB);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	898 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	899 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	900 else {
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	901 if (this.scrB == this.h - 1)
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	902 this.screen.appendChild(blankrow);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	903 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	904 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	905 + 1]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	906 this.historize(this.c.y);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	907 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	908 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	909 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	910 /* 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	911 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	912 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	913 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	914 else if (c == 80) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	915 /* 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	916 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	917 debug(1, "Invalid CSI P sequence: " + comstr);
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 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	921 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	922 cursrow.removeChild(cursrow.childNodes[this.c.x]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	923 cursrow.appendChild(this.makeCell(' '));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	924 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	925 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	926 this.offedge = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	927 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	928 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	929 else if (c == 83 \|\| c == 84) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	930 /* S - scroll up, T - scroll down */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	931 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	932 debug(1, "Invalid CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	933 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	934 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	935 if (c == 83)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	936 this.scroll(count);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	937 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	938 this.scroll(-count);
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 else if (c == 88) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	941 /* X - erase characters */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	942 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	943 debug(1, "Invalid CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	944 return;
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 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	947 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	948 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	949 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	950 this.flipCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	951 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	952 else if (c == 90) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	953 /* Z - tab backwards */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	954 var x = this.c.x;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	955 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	956 debug(1, "Invalid CSI Z sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	957 return;
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 while (count > 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	960 x = 8 * (Math.ceil(x / 8) - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	961 if (x < 0) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	962 x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	963 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	964 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	965 count--;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	966 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	967 this.cmove(null, x);
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 else if (c == 96) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	970 /* ` - go to col */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	971 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	972 debug(1, "Invalid CSI ` sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	973 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	974 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	975 this.cmove(null, count - 1);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	976 }
149 6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	977 else if (c == 99) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	978 /* c - query terminal attributes */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	979 if (prefix !== null) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	980 debug(1, "Unimplemented CSI sequence: " + comstr);
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	981 return;
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	982 }
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	983 /* "CSI ? 1 ; 2 c" - VT100 */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	984 sendback("1b5b3f313b3263");
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	985 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	986 else if (c == 100) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	987 /* d - go to row */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	988 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	989 debug(1, "Invalid CSI d sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	990 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	991 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	992 this.cmove(count - 1, null);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	993 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	994 else if (c == 102) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	995 /* f - move */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	996 var x = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	997 var y = 0;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	998 if (prefix \|\| postfix) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	999 debug(1, "Invalid CSI f sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1000 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1001 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1002 if (params[0])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1003 y = params[0] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1004 if (params[1])
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1005 x = params[1] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1006 this.cmove(y, x);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1007 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1008 else if (c == 104) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1009 /* h - set modes */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1010 if (prefix != '?') {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1011 debug(1, "Unimplemented CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1012 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1013 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1014 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	1015 if (params[i] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1016 keyHexCodes.appCursor(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1017 }
54 de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1018 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	1019 /* 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	1020 debug(0, "Wraparound mode");
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1021 }
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1022 else if (params[i] == 25) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1023 /* Show the cursor. */
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1024 if (!this.c.visible) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1025 this.c.visible = true;
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1026 this.flipCursor();
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1027 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1028 debug(0, "Showing cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1029 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1030 else if (params[i] == 1048) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1031 this.saveCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1032 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1033 else if (params[i] == 1049) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1034 this.toAltBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1035 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1036 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1037 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	1038 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1039 }
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 else if (c == 108) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1042 /* l - reset modes */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1043 if (prefix != '?') {
54 de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1044 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	1045 /* 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	1046 debug(0, "Replace mode");
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1047 }
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1048 else {
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1049 debug(1, "Unimplemented CSI sequence: " + comstr);
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1050 return;
de01aafd4dd6 termemu.js: don't warn on certain control sequences. John "Elwin" Edwards <elwin@sdf.org> parents: 9 diff changeset	1051 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1052 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1053 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	1054 if (params[i] == 1) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1055 keyHexCodes.appCursor(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1056 }
150 1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1057 else if (params[i] == 12) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1058 debug(0, "Stopping blinking cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1059 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1060 else if (params[i] == 25) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1061 /* Hide the cursor. */
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1062 if (this.c.visible) {
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1063 this.flipCursor();
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1064 this.c.visible = false;
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1065 }
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1066 debug(0, "Hiding cursor");
1d3cfe10974a termemu.js: implement cursor hiding. John "Elwin" Edwards parents: 149 diff changeset	1067 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1068 else if (params[i] == 1048) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1069 this.restoreCursor();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1070 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1071 else if (params[i] == 1049) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1072 this.toNormBuf();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1073 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1074 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1075 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	1076 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1077 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1078 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1079 else if (c == 109) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1080 /* m - character attributes */
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1081 if (prefix !== null) {
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1082 debug(1, "Unimplemented CSI sequence: " + comstr);
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1083 return;
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1084 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1085 if (params.length == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1086 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1087 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	1088 if (params[i] == null \|\| params[i] == 0)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1089 this.clearAttrs();
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1090 else if (params[i] == 1)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1091 this.c.bold = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1092 else if (params[i] == 4)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1093 this.c.uline = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1094 else if (params[i] == 7)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1095 this.c.inverse = true;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1096 else if (params[i] == 22)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1097 this.c.bold = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1098 else if (params[i] == 24)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1099 this.c.uline = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1100 else if (params[i] == 27)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1101 this.c.inverse = false;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1102 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	1103 this.c.fg = params[i] - 30;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1104 else if (params[i] == 39)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1105 this.c.fg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1106 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	1107 this.c.bg = params[i] - 40;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1108 else if (params[i] == 49)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1109 this.c.bg = null;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1110 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	1111 this.c.fg = params[i] - 82;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1112 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	1113 this.c.bg = params[i] - 92;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1114 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	1115 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	1116 this.c.fg = params[i+2];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1117 i += 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1118 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1119 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	1120 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	1121 this.c.bg = params[i+2];
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1122 i += 2;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1123 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1124 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1125 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	1126 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1127 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1128 else if (c == 114) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1129 /* r - set scrolling region */
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1130 var t = 0;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1131 var b = this.h - 1;
ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1132 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	1133 t = params[0] - 1;
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1134 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	1135 b = params[1] - 1;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1136 if (b <= t)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1137 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1138 this.scrT = t;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1139 this.scrB = b;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1140 this.cmove(0, 0);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1141 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1142 else {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1143 debug(1, "Unimplemented CSI sequence: " + comstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1144 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1145 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1146 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1147 oscProcess: function () {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1148 var numstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1149 var i;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1150 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	1151 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	1152 numstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1153 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1154 break;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1155 }
138 144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1156 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	1157 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	1158 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1159 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1160 var codenum = Number(numstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1161 var msgstr = "";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1162 i++;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1163 while (i < this.comseq.length) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1164 msgstr += String.fromCharCode(this.comseq[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1165 i++;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1166 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1167 if (codenum == 0 \|\| codenum == 2) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1168 setTitle(msgstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1169 }
149 6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1170 else if (codenum >= 110 && codenum <= 118) {
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1171 /* Reset colors that can't be changed yet anyway */
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1172 debug(0, "Resetting dynamic color " + codenum);
6758d832c10c Implement another control sequence. John "Elwin" Edwards parents: 138 diff changeset	1173 }
0 bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1174 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1175 debug(1, "Unimplemented OSC command " + codenum + " " + msgstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1176 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1177 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1178 makeCell: function(c) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1179 var tnode;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1180 if (c && c.charAt && c.charAt(0))
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1181 tnode = document.createTextNode(c.charAt(0));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1182 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1183 tnode = document.createTextNode(' ');
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1184 var cell = document.createElement("span");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1185 cell.className = "termcell";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1186 /* 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	1187 cell.style.color = this.cssColor(true);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1188 cell.style.backgroundColor = this.cssColor(false);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1189 if (this.c.bold)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1190 cell.style.fontWeight = "bold";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1191 if (this.c.uline)
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1192 cell.style.textDecoration = "underline";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1193 cell.appendChild(tnode);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1194 return cell;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1195 },
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1196 makeRow: function() {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1197 var blankrow = document.createElement("div");
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1198 blankrow.className = "termrow";
4 ee22eb9ab009 Client: don't assume the terminal is 24x80. John "Elwin" Edwards <elwin@sdf.org> parents: 0 diff changeset	1199 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	1200 blankrow.appendChild(this.makeCell(' '));
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1201 return blankrow;
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 };
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1204
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1205 function dchunk(codes) {
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1206 var dstr = "Chunk: ";
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1207 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	1208 if (codes[i] == 27)
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1209 dstr += "\\e";
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1210 else if (codes[i] == 92)
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1211 dstr += "\\\\";
144595e50376 termemu.js: handle some tmux-produced control sequences. John "Elwin" Edwards parents: 92 diff changeset	1212 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	1213 dstr += "\\x" + codes[i].toString(16);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1214 else
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1215 dstr += String.fromCharCode(codes[i]);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1216 }
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1217 debug(1, dstr);
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1218 return;
bd412f63ce0d Put this project under version control, finally. John "Elwin" Edwards <elwin@sdf.org> parents: diff changeset	1219 }