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Start isolating buffer attributes into Buffer class

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This commit is contained in:
Paris Kasidiaris
2017-07-16 03:47:15 +03:00
committed by Paris Kasidiaris
parent 8ede1fc9d2
commit bbafdd3d06
8 changed files with 222 additions and 242 deletions
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src/InputHandler.ts
+128 -141
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@@ -27,37 +27,36 @@ export class InputHandler implements IInputHandler {
char = this._terminal.charset[char];
}
let row = this._terminal.y + this._terminal.ybase;
let row = this._terminal.buffer.y + this._terminal.buffer.ybase;
// insert combining char in last cell
// FIXME: needs handling after cursor jumps
if (!ch_width && this._terminal.x) {
if (!ch_width && this._terminal.buffer.x) {
// dont overflow left
if (this._terminal.buffer.lines.get(row)[this._terminal.x - 1]) {
if (!this._terminal.buffer.lines.get(row)[this._terminal.x - 1][2]) {
if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1]) {
if (!this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][2]) {
// found empty cell after fullwidth, need to go 2 cells back
if (this._terminal.buffer.lines.get(row)[this._terminal.x - 2])
this._terminal.buffer.lines.get(row)[this._terminal.x - 2][1] += char;
if (this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2])
this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 2][1] += char;
} else {
this._terminal.buffer.lines.get(row)[this._terminal.x - 1][1] += char;
this._terminal.buffer.lines.get(row)[this._terminal.buffer.x - 1][1] += char;
}
this._terminal.updateRange(this._terminal.y);
this._terminal.updateRange(this._terminal.buffer.y);
}
return;
}
// goto next line if ch would overflow
// TODO: needs a global min terminal width of 2
if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {
if (this._terminal.buffer.x + ch_width - 1 >= this._terminal.cols) {
// autowrap - DECAWM
if (this._terminal.wraparoundMode) {
this._terminal.x = 0;
this._terminal.y++;
if (this._terminal.y > this._terminal.scrollBottom) {
// Insert a new line, scroll and mark as a wrapped line
this._terminal.y--;
this._terminal.buffer.x = 0;
this._terminal.buffer.y++;
if (this._terminal.buffer.y > this._terminal.scrollBottom) {
this._terminal.buffer.y--;
this._terminal.scroll(true);
} else {
// The line already exists (eg. the initial viewport), mark it as a
@@ -69,7 +68,7 @@ export class InputHandler implements IInputHandler {
return;
}
}
row = this._terminal.y + this._terminal.ybase;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
// insert mode: move characters to right
if (this._terminal.insertMode) {
@@ -77,7 +76,7 @@ export class InputHandler implements IInputHandler {
for (let moves = 0; moves < ch_width; ++moves) {
// remove last cell, if it's width is 0
// we have to adjust the second last cell as well
const removed = this._terminal.buffer.lines.get(this._terminal.y + this._terminal.ybase).pop();
const removed = this._terminal.buffer.lines.get(this._terminal.buffer.y + this._terminal.buffer.ybase).pop();
if (removed[2] === 0
&& this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]
&& this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {
@@ -85,18 +84,18 @@ export class InputHandler implements IInputHandler {
}
// insert empty cell at cursor
this._terminal.buffer.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 0, [this._terminal.curAttr, ' ', 1]);
}
}
this._terminal.buffer.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];
this._terminal.x++;
this._terminal.updateRange(this._terminal.y);
this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, char, ch_width];
this._terminal.buffer.x++;
this._terminal.updateRange(this._terminal.buffer.y);
// fullwidth char - set next cell width to zero and advance cursor
if (ch_width === 2) {
this._terminal.buffer.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
this._terminal.x++;
this._terminal.buffer.lines.get(row)[this._terminal.buffer.x] = [this._terminal.curAttr, '', 0];
this._terminal.buffer.x++;
}
}
}
@@ -122,16 +121,16 @@ export class InputHandler implements IInputHandler {
*/
public lineFeed(): void {
if (this._terminal.convertEol) {
this._terminal.x = 0;
this._terminal.buffer.x = 0;
}
this._terminal.y++;
if (this._terminal.y > this._terminal.scrollBottom) {
this._terminal.y--;
this._terminal.buffer.y++;
if (this._terminal.buffer.y > this._terminal.scrollBottom) {
this._terminal.buffer.y--;
this._terminal.scroll();
}
// If the end of the line is hit, prevent this action from wrapping around to the next line.
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x--;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x--;
}
}
@@ -140,7 +139,7 @@ export class InputHandler implements IInputHandler {
* Carriage Return (Ctrl-M).
*/
public carriageReturn(): void {
this._terminal.x = 0;
this._terminal.buffer.x = 0;
}
/**
@@ -148,8 +147,8 @@ export class InputHandler implements IInputHandler {
* Backspace (Ctrl-H).
*/
public backspace(): void {
if (this._terminal.x > 0) {
this._terminal.x--;
if (this._terminal.buffer.x > 0) {
this._terminal.buffer.x--;
}
}
@@ -158,7 +157,7 @@ export class InputHandler implements IInputHandler {
* Horizontal Tab (HT) (Ctrl-I).
*/
public tab(): void {
this._terminal.x = this._terminal.nextStop();
this._terminal.buffer.x = this._terminal.nextStop();
}
/**
@@ -189,8 +188,8 @@ export class InputHandler implements IInputHandler {
param = params[0];
if (param < 1) param = 1;
row = this._terminal.y + this._terminal.ybase;
j = this._terminal.x;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
j = this._terminal.buffer.x;
ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
while (param-- && j < this._terminal.cols) {
@@ -208,9 +207,9 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y -= param;
if (this._terminal.y < 0) {
this._terminal.y = 0;
this._terminal.buffer.y -= param;
if (this._terminal.buffer.y < 0) {
this._terminal.buffer.y = 0;
}
}
@@ -223,13 +222,13 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y += param;
if (this._terminal.y >= this._terminal.rows) {
this._terminal.y = this._terminal.rows - 1;
this._terminal.buffer.y += param;
if (this._terminal.buffer.y >= this._terminal.rows) {
this._terminal.buffer.y = this._terminal.rows - 1;
}
// If the end of the line is hit, prevent this action from wrapping around to the next line.
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x--;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x--;
}
}
@@ -242,9 +241,9 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.x += param;
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x = this._terminal.cols - 1;
this._terminal.buffer.x += param;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x = this._terminal.cols - 1;
}
}
@@ -258,12 +257,12 @@ export class InputHandler implements IInputHandler {
param = 1;
}
// If the end of the line is hit, prevent this action from wrapping around to the next line.
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x--;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x--;
}
this._terminal.x -= param;
if (this._terminal.x < 0) {
this._terminal.x = 0;
this._terminal.buffer.x -= param;
if (this._terminal.buffer.x < 0) {
this._terminal.buffer.x = 0;
}
}
@@ -277,11 +276,11 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y += param;
if (this._terminal.y >= this._terminal.rows) {
this._terminal.y = this._terminal.rows - 1;
this._terminal.buffer.y += param;
if (this._terminal.buffer.y >= this._terminal.rows) {
this._terminal.buffer.y = this._terminal.rows - 1;
}
this._terminal.x = 0;
this._terminal.buffer.x = 0;
};
@@ -295,11 +294,11 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y -= param;
if (this._terminal.y < 0) {
this._terminal.y = 0;
this._terminal.buffer.y -= param;
if (this._terminal.buffer.y < 0) {
this._terminal.buffer.y = 0;
}
this._terminal.x = 0;
this._terminal.buffer.x = 0;
};
@@ -312,7 +311,7 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.x = param - 1;
this._terminal.buffer.x = param - 1;
}
/**
@@ -342,8 +341,8 @@ export class InputHandler implements IInputHandler {
col = this._terminal.cols - 1;
}
this._terminal.x = col;
this._terminal.y = row;
this._terminal.buffer.x = col;
this._terminal.buffer.y = row;
}
/**
@@ -353,7 +352,7 @@ export class InputHandler implements IInputHandler {
public cursorForwardTab(params: number[]): void {
let param = params[0] || 1;
while (param--) {
this._terminal.x = this._terminal.nextStop();
this._terminal.buffer.x = this._terminal.nextStop();
}
}
@@ -373,15 +372,15 @@ export class InputHandler implements IInputHandler {
let j;
switch (params[0]) {
case 0:
this._terminal.eraseRight(this._terminal.x, this._terminal.y);
j = this._terminal.y + 1;
this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
j = this._terminal.buffer.y + 1;
for (; j < this._terminal.rows; j++) {
this._terminal.eraseLine(j);
}
break;
case 1:
this._terminal.eraseLeft(this._terminal.x, this._terminal.y);
j = this._terminal.y;
this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
j = this._terminal.buffer.y;
while (j--) {
this._terminal.eraseLine(j);
}
@@ -395,8 +394,8 @@ export class InputHandler implements IInputHandler {
const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
if (scrollBackSize > 0) {
this._terminal.buffer.lines.trimStart(scrollBackSize);
this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0);
this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0);
this._terminal.buffer.ybase = Math.max(this._terminal.buffer.ybase - scrollBackSize, 0);
this._terminal.buffer.ydisp = Math.max(this._terminal.buffer.ydisp - scrollBackSize, 0);
// Force a scroll event to refresh viewport
this._terminal.emit('scroll', 0);
}
@@ -418,13 +417,13 @@ export class InputHandler implements IInputHandler {
public eraseInLine(params: number[]): void {
switch (params[0]) {
case 0:
this._terminal.eraseRight(this._terminal.x, this._terminal.y);
this._terminal.eraseRight(this._terminal.buffer.x, this._terminal.buffer.y);
break;
case 1:
this._terminal.eraseLeft(this._terminal.x, this._terminal.y);
this._terminal.eraseLeft(this._terminal.buffer.x, this._terminal.buffer.y);
break;
case 2:
this._terminal.eraseLine(this._terminal.y);
this._terminal.eraseLine(this._terminal.buffer.y);
break;
}
}
@@ -440,17 +439,17 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
row = this._terminal.y + this._terminal.ybase;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
j = this._terminal.rows - 1 - this._terminal.scrollBottom;
j = this._terminal.rows - 1 + this._terminal.ybase - j + 1;
j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j + 1;
while (param--) {
if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
// Trim the start of lines to make room for the new line
this._terminal.buffer.lines.trimStart(1);
this._terminal.ybase--;
this._terminal.ydisp--;
this._terminal.buffer.ybase--;
this._terminal.buffer.ydisp--;
row--;
j--;
}
@@ -461,7 +460,7 @@ export class InputHandler implements IInputHandler {
}
// this.maxRange();
this._terminal.updateRange(this._terminal.y);
this._terminal.updateRange(this._terminal.buffer.y);
this._terminal.updateRange(this._terminal.scrollBottom);
}
@@ -476,17 +475,17 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
row = this._terminal.y + this._terminal.ybase;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
j = this._terminal.rows - 1 - this._terminal.scrollBottom;
j = this._terminal.rows - 1 + this._terminal.ybase - j;
j = this._terminal.rows - 1 + this._terminal.buffer.ybase - j;
while (param--) {
if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
// Trim the start of lines to make room for the new line
this._terminal.buffer.lines.trimStart(1);
this._terminal.ybase -= 1;
this._terminal.ydisp -= 1;
this._terminal.buffer.ybase -= 1;
this._terminal.buffer.ydisp -= 1;
}
// test: echo -e '\e[44m\e[1M\e[0m'
// blankLine(true) - xterm/linux behavior
@@ -495,7 +494,7 @@ export class InputHandler implements IInputHandler {
}
// this.maxRange();
this._terminal.updateRange(this._terminal.y);
this._terminal.updateRange(this._terminal.buffer.y);
this._terminal.updateRange(this._terminal.scrollBottom);
}
@@ -511,11 +510,11 @@ export class InputHandler implements IInputHandler {
param = 1;
}
row = this._terminal.y + this._terminal.ybase;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
while (param--) {
this._terminal.buffer.lines.get(row).splice(this._terminal.x, 1);
this._terminal.buffer.lines.get(row).splice(this._terminal.buffer.x, 1);
this._terminal.buffer.lines.get(row).push(ch);
}
}
@@ -526,8 +525,8 @@ export class InputHandler implements IInputHandler {
public scrollUp(params: number[]): void {
let param = params[0] || 1;
while (param--) {
this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);
this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());
this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.scrollTop, 1);
this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());
}
// this.maxRange();
this._terminal.updateRange(this._terminal.scrollTop);
@@ -540,8 +539,8 @@ export class InputHandler implements IInputHandler {
public scrollDown(params: number[]): void {
let param = params[0] || 1;
while (param--) {
this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);
this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());
this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.scrollBottom, 1);
this._terminal.buffer.lines.splice(this._terminal.buffer.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());
}
// this.maxRange();
this._terminal.updateRange(this._terminal.scrollTop);
@@ -560,8 +559,8 @@ export class InputHandler implements IInputHandler {
param = 1;
}
row = this._terminal.y + this._terminal.ybase;
j = this._terminal.x;
row = this._terminal.buffer.y + this._terminal.buffer.ybase;
j = this._terminal.buffer.x;
ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
while (param-- && j < this._terminal.cols) {
@@ -575,7 +574,7 @@ export class InputHandler implements IInputHandler {
public cursorBackwardTab(params: number[]): void {
let param = params[0] || 1;
while (param--) {
this._terminal.x = this._terminal.prevStop();
this._terminal.buffer.x = this._terminal.prevStop();
}
}
@@ -588,9 +587,9 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.x = param - 1;
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x = this._terminal.cols - 1;
this._terminal.buffer.x = param - 1;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x = this._terminal.cols - 1;
}
}
@@ -604,9 +603,9 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.x += param;
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x = this._terminal.cols - 1;
this._terminal.buffer.x += param;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x = this._terminal.cols - 1;
}
}
@@ -615,11 +614,11 @@ export class InputHandler implements IInputHandler {
*/
public repeatPrecedingCharacter(params: number[]): void {
let param = params[0] || 1
, line = this._terminal.buffer.lines.get(this._terminal.ybase + this._terminal.y)
, ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1];
, line = this._terminal.buffer.lines.get(this._terminal.buffer.ybase + this._terminal.buffer.y)
, ch = line[this._terminal.buffer.x - 1] || [this._terminal.defAttr, ' ', 1];
while (param--) {
line[this._terminal.x++] = ch;
line[this._terminal.buffer.x++] = ch;
}
}
@@ -698,9 +697,9 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y = param - 1;
if (this._terminal.y >= this._terminal.rows) {
this._terminal.y = this._terminal.rows - 1;
this._terminal.buffer.y = param - 1;
if (this._terminal.buffer.y >= this._terminal.rows) {
this._terminal.buffer.y = this._terminal.rows - 1;
}
}
@@ -714,13 +713,13 @@ export class InputHandler implements IInputHandler {
if (param < 1) {
param = 1;
}
this._terminal.y += param;
if (this._terminal.y >= this._terminal.rows) {
this._terminal.y = this._terminal.rows - 1;
this._terminal.buffer.y += param;
if (this._terminal.buffer.y >= this._terminal.rows) {
this._terminal.buffer.y = this._terminal.rows - 1;
}
// If the end of the line is hit, prevent this action from wrapping around to the next line.
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x--;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x--;
}
}
@@ -733,14 +732,14 @@ export class InputHandler implements IInputHandler {
if (params[0] < 1) params[0] = 1;
if (params[1] < 1) params[1] = 1;
this._terminal.y = params[0] - 1;
if (this._terminal.y >= this._terminal.rows) {
this._terminal.y = this._terminal.rows - 1;
this._terminal.buffer.y = params[0] - 1;
if (this._terminal.buffer.y >= this._terminal.rows) {
this._terminal.buffer.y = this._terminal.rows - 1;
}
this._terminal.x = params[1] - 1;
if (this._terminal.x >= this._terminal.cols) {
this._terminal.x = this._terminal.cols - 1;
this._terminal.buffer.x = params[1] - 1;
if (this._terminal.buffer.x >= this._terminal.cols) {
this._terminal.buffer.x = this._terminal.cols - 1;
}
}
@@ -755,7 +754,7 @@ export class InputHandler implements IInputHandler {
public tabClear(params: number[]): void {
let param = params[0];
if (param <= 0) {
delete this._terminal.tabs[this._terminal.x];
delete this._terminal.tabs[this._terminal.buffer.x];
} else if (param === 3) {
this._terminal.tabs = {};
}
@@ -907,7 +906,7 @@ export class InputHandler implements IInputHandler {
// TODO: Why are params[0] compares nested within a switch for params[0]?
this._terminal.x10Mouse = params[0] === 9;
this._terminal.buffer.x10Mouse = params[0] === 9;
this._terminal.vt200Mouse = params[0] === 1000;
this._terminal.normalMouse = params[0] > 1000;
this._terminal.mouseEvents = true;
@@ -949,11 +948,6 @@ export class InputHandler implements IInputHandler {
case 1047: // alt screen buffer
if (!this._terminal.normal) {
let normal = {
lines: this._terminal.buffers.normal.lines,
ybase: this._terminal.ybase,
ydisp: this._terminal.ydisp,
x: this._terminal.x,
y: this._terminal.y,
scrollTop: this._terminal.scrollTop,
scrollBottom: this._terminal.scrollBottom,
tabs: this._terminal.tabs
@@ -962,10 +956,7 @@ export class InputHandler implements IInputHandler {
// glevel: this._terminal.glevel,
// charsets: this._terminal.charsets
};
this._terminal.reset();
this._terminal.viewport.syncScrollArea();
this._terminal.normal = normal;
this._terminal.showCursor();
this._terminal.buffers.activateAltBuffer();
}
break;
}
@@ -1101,7 +1092,7 @@ export class InputHandler implements IInputHandler {
case 1000: // vt200 mouse
case 1002: // button event mouse
case 1003: // any event mouse
this._terminal.x10Mouse = false;
this._terminal.buffer.x10Mouse = false;
this._terminal.vt200Mouse = false;
this._terminal.normalMouse = false;
this._terminal.mouseEvents = false;
@@ -1128,11 +1119,6 @@ export class InputHandler implements IInputHandler {
case 47: // normal screen buffer
case 1047: // normal screen buffer - clearing it first
if (this._terminal.normal) {
this._terminal.buffers.activateNormalBuffer();
this._terminal.ybase = this._terminal.normal.ybase;
this._terminal.ydisp = this._terminal.normal.ydisp;
this._terminal.x = this._terminal.normal.x;
this._terminal.y = this._terminal.normal.y;
this._terminal.scrollTop = this._terminal.normal.scrollTop;
this._terminal.scrollBottom = this._terminal.normal.scrollBottom;
this._terminal.tabs = this._terminal.normal.tabs;
@@ -1143,6 +1129,7 @@ export class InputHandler implements IInputHandler {
// this.x = this.savedX;
// this.y = this.savedY;
// }
this._terminal.buffers.activateNormalBuffer();
this._terminal.refresh(0, this._terminal.rows - 1);
this._terminal.viewport.syncScrollArea();
this._terminal.showCursor();
@@ -1366,9 +1353,9 @@ export class InputHandler implements IInputHandler {
case 6:
// cursor position
this._terminal.send(C0.ESC + '['
+ (this._terminal.y + 1)
+ (this._terminal.buffer.y + 1)
+ ';'
+ (this._terminal.x + 1)
+ (this._terminal.buffer.x + 1)
+ 'R');
break;
}
@@ -1379,9 +1366,9 @@ export class InputHandler implements IInputHandler {
case 6:
// cursor position
this._terminal.send(C0.ESC + '[?'
+ (this._terminal.y + 1)
+ (this._terminal.buffer.y + 1)
+ ';'
+ (this._terminal.x + 1)
+ (this._terminal.buffer.x + 1)
+ 'R');
break;
case 15:
@@ -1419,7 +1406,7 @@ export class InputHandler implements IInputHandler {
this._terminal.scrollTop = 0;
this._terminal.scrollBottom = this._terminal.rows - 1;
this._terminal.curAttr = this._terminal.defAttr;
this._terminal.x = this._terminal.y = 0; // ?
this._terminal.buffer.x = this._terminal.buffer.y = 0; // ?
this._terminal.charset = null;
this._terminal.glevel = 0; // ??
this._terminal.charsets = [null]; // ??
@@ -1465,8 +1452,8 @@ export class InputHandler implements IInputHandler {
if (this._terminal.prefix) return;
this._terminal.scrollTop = (params[0] || 1) - 1;
this._terminal.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;
this._terminal.x = 0;
this._terminal.y = 0;
this._terminal.buffer.x = 0;
this._terminal.buffer.y = 0;
}
@@ -1475,8 +1462,8 @@ export class InputHandler implements IInputHandler {
* Save cursor (ANSI.SYS).
*/
public saveCursor(params: number[]): void {
this._terminal.savedX = this._terminal.x;
this._terminal.savedY = this._terminal.y;
this._terminal.savedX = this._terminal.buffer.x;
this._terminal.savedY = this._terminal.buffer.y;
}
@@ -1485,8 +1472,8 @@ export class InputHandler implements IInputHandler {
* Restore cursor (ANSI.SYS).
*/
public restoreCursor(params: number[]): void {
this._terminal.x = this._terminal.savedX || 0;
this._terminal.y = this._terminal.savedY || 0;
this._terminal.buffer.x = this._terminal.savedX || 0;
this._terminal.buffer.y = this._terminal.savedY || 0;
}
}