mirror of
https://github.com/wavetermdev/xterm.js.git
synced 2026-08-05 13:43:48 -07:00
Create terminal.buffer convenience attribute
This commit is contained in:
Paris Kasidiaris
committed by
Paris Kasidiaris
Paris Kasidiaris
parent
95cb6f30bb
commit
8ede1fc9d2
+6
-2
@@ -4,13 +4,15 @@
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import { ITerminal } from './Interfaces';
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import { Buffer } from './Buffer';
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import { EventEmitter } from './EventEmitter';
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export class BufferSet {
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export class BufferSet extends EventEmitter {
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private _normal: Buffer;
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private _alt: Buffer;
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private _activeBuffer: Buffer;
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constructor(private _terminal: ITerminal) {
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super();
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this._normal = new Buffer(this._terminal);
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this._alt = new Buffer(this._terminal);
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this._activeBuffer = this._normal;
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@@ -36,9 +38,11 @@ export class BufferSet {
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public activateNormalBuffer(): void {
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this._activeBuffer = this._normal;
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this.emit('activate', this._normal);
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}
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public activateAltBuffer(): void {
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this._activeBuffer = this._normal;
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this._activeBuffer = this._alt;
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this.emit('activate', this._alt);
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}
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}
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+35
-35
@@ -33,15 +33,15 @@ export class InputHandler implements IInputHandler {
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// FIXME: needs handling after cursor jumps
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if (!ch_width && this._terminal.x) {
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// dont overflow left
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if (this._terminal.lines.get(row)[this._terminal.x - 1]) {
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if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {
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if (this._terminal.buffer.lines.get(row)[this._terminal.x - 1]) {
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if (!this._terminal.buffer.lines.get(row)[this._terminal.x - 1][2]) {
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// found empty cell after fullwidth, need to go 2 cells back
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if (this._terminal.lines.get(row)[this._terminal.x - 2])
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this._terminal.lines.get(row)[this._terminal.x - 2][1] += char;
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if (this._terminal.buffer.lines.get(row)[this._terminal.x - 2])
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this._terminal.buffer.lines.get(row)[this._terminal.x - 2][1] += char;
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} else {
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this._terminal.lines.get(row)[this._terminal.x - 1][1] += char;
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this._terminal.buffer.lines.get(row)[this._terminal.x - 1][1] += char;
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}
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this._terminal.updateRange(this._terminal.y);
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}
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@@ -77,25 +77,25 @@ export class InputHandler implements IInputHandler {
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for (let moves = 0; moves < ch_width; ++moves) {
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// remove last cell, if it's width is 0
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// we have to adjust the second last cell as well
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const removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();
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const removed = this._terminal.buffer.lines.get(this._terminal.y + this._terminal.ybase).pop();
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if (removed[2] === 0
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&& this._terminal.lines.get(row)[this._terminal.cols - 2]
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&& this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2) {
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this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
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&& this._terminal.buffer.lines.get(row)[this._terminal.cols - 2]
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&& this._terminal.buffer.lines.get(row)[this._terminal.cols - 2][2] === 2) {
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this._terminal.buffer.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];
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}
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// insert empty cell at cursor
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this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
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this._terminal.buffer.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);
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}
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}
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this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];
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this._terminal.buffer.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];
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this._terminal.x++;
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this._terminal.updateRange(this._terminal.y);
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// fullwidth char - set next cell width to zero and advance cursor
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if (ch_width === 2) {
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this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
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this._terminal.buffer.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];
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this._terminal.x++;
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}
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}
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@@ -194,8 +194,8 @@ export class InputHandler implements IInputHandler {
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ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
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while (param-- && j < this._terminal.cols) {
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this._terminal.lines.get(row).splice(j++, 0, ch);
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this._terminal.lines.get(row).pop();
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this._terminal.buffer.lines.get(row).splice(j++, 0, ch);
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this._terminal.buffer.lines.get(row).pop();
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}
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}
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@@ -392,9 +392,9 @@ export class InputHandler implements IInputHandler {
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break;
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case 3:
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// Clear scrollback (everything not in viewport)
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const scrollBackSize = this._terminal.lines.length - this._terminal.rows;
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const scrollBackSize = this._terminal.buffer.lines.length - this._terminal.rows;
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if (scrollBackSize > 0) {
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this._terminal.lines.trimStart(scrollBackSize);
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this._terminal.buffer.lines.trimStart(scrollBackSize);
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this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0);
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this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0);
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// Force a scroll event to refresh viewport
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@@ -446,9 +446,9 @@ export class InputHandler implements IInputHandler {
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j = this._terminal.rows - 1 + this._terminal.ybase - j + 1;
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while (param--) {
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if (this._terminal.lines.length === this._terminal.lines.maxLength) {
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if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
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// Trim the start of lines to make room for the new line
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this._terminal.lines.trimStart(1);
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this._terminal.buffer.lines.trimStart(1);
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this._terminal.ybase--;
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this._terminal.ydisp--;
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row--;
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@@ -456,8 +456,8 @@ export class InputHandler implements IInputHandler {
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}
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// test: echo -e '\e[44m\e[1L\e[0m'
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// blankLine(true) - xterm/linux behavior
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this._terminal.lines.splice(row, 0, this._terminal.blankLine(true));
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this._terminal.lines.splice(j, 1);
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this._terminal.buffer.lines.splice(row, 0, this._terminal.blankLine(true));
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this._terminal.buffer.lines.splice(j, 1);
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}
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// this.maxRange();
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@@ -482,16 +482,16 @@ export class InputHandler implements IInputHandler {
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j = this._terminal.rows - 1 + this._terminal.ybase - j;
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while (param--) {
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if (this._terminal.lines.length === this._terminal.lines.maxLength) {
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if (this._terminal.buffer.lines.length === this._terminal.buffer.lines.maxLength) {
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// Trim the start of lines to make room for the new line
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this._terminal.lines.trimStart(1);
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this._terminal.buffer.lines.trimStart(1);
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this._terminal.ybase -= 1;
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this._terminal.ydisp -= 1;
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}
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// test: echo -e '\e[44m\e[1M\e[0m'
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// blankLine(true) - xterm/linux behavior
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this._terminal.lines.splice(j + 1, 0, this._terminal.blankLine(true));
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this._terminal.lines.splice(row, 1);
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this._terminal.buffer.lines.splice(j + 1, 0, this._terminal.blankLine(true));
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this._terminal.buffer.lines.splice(row, 1);
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}
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// this.maxRange();
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@@ -515,8 +515,8 @@ export class InputHandler implements IInputHandler {
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ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
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while (param--) {
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this._terminal.lines.get(row).splice(this._terminal.x, 1);
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this._terminal.lines.get(row).push(ch);
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this._terminal.buffer.lines.get(row).splice(this._terminal.x, 1);
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this._terminal.buffer.lines.get(row).push(ch);
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}
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}
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@@ -526,8 +526,8 @@ export class InputHandler implements IInputHandler {
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public scrollUp(params: number[]): void {
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let param = params[0] || 1;
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while (param--) {
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this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);
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this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());
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this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);
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this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());
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}
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// this.maxRange();
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this._terminal.updateRange(this._terminal.scrollTop);
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@@ -540,8 +540,8 @@ export class InputHandler implements IInputHandler {
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public scrollDown(params: number[]): void {
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let param = params[0] || 1;
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while (param--) {
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this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);
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this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());
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this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);
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this._terminal.buffer.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());
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}
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// this.maxRange();
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this._terminal.updateRange(this._terminal.scrollTop);
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@@ -565,7 +565,7 @@ export class InputHandler implements IInputHandler {
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ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm
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while (param-- && j < this._terminal.cols) {
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this._terminal.lines.get(row)[j++] = ch;
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this._terminal.buffer.lines.get(row)[j++] = ch;
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}
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}
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@@ -615,7 +615,7 @@ export class InputHandler implements IInputHandler {
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*/
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public repeatPrecedingCharacter(params: number[]): void {
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let param = params[0] || 1
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, line = this._terminal.lines.get(this._terminal.ybase + this._terminal.y)
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, line = this._terminal.buffer.lines.get(this._terminal.ybase + this._terminal.y)
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, ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1];
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while (param--) {
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@@ -949,7 +949,7 @@ export class InputHandler implements IInputHandler {
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case 1047: // alt screen buffer
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if (!this._terminal.normal) {
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let normal = {
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lines: this._terminal.lines,
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lines: this._terminal.buffers.normal.lines,
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ybase: this._terminal.ybase,
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ydisp: this._terminal.ydisp,
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x: this._terminal.x,
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@@ -1128,7 +1128,7 @@ export class InputHandler implements IInputHandler {
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case 47: // normal screen buffer
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case 1047: // normal screen buffer - clearing it first
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if (this._terminal.normal) {
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this._terminal.lines = this._terminal.normal.lines;
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this._terminal.buffers.activateNormalBuffer();
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this._terminal.ybase = this._terminal.normal.ybase;
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this._terminal.ydisp = this._terminal.normal.ydisp;
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this._terminal.x = this._terminal.normal.x;
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@@ -1138,7 +1138,7 @@ export class InputHandler implements IInputHandler {
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this._terminal.tabs = this._terminal.normal.tabs;
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this._terminal.normal = null;
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// Ensure the selection manager has the correct buffer
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this._terminal.selectionManager.setBuffer(this._terminal.lines);
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this._terminal.selectionManager.setBuffer(this._terminal.buffer.lines);
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// if (params === 1049) {
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// this.x = this.savedX;
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// this.y = this.savedY;
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+1
-1
@@ -141,7 +141,7 @@ export class Renderer {
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for (; y <= end; y++) {
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let row = y + this._terminal.ydisp;
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let line = this._terminal.lines.get(row);
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let line = this._terminal.buffer.lines.get(row);
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let x;
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if (this._terminal.y === y - (this._terminal.ybase - this._terminal.ydisp) &&
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+2
-2
@@ -68,9 +68,9 @@ export class Viewport {
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* Updates dimensions and synchronizes the scroll area if necessary.
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*/
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public syncScrollArea(): void {
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if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
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if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {
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// If buffer height changed
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this.lastRecordedBufferLength = this.terminal.lines.length;
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this.lastRecordedBufferLength = this.terminal.buffer.lines.length;
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this.refresh();
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} else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
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// If viewport height changed
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+40
-29
@@ -244,19 +244,25 @@ function Terminal(options) {
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// leftover surrogate high from previous write invocation
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this.surrogate_high = '';
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// Create the terminal's buffers and set the current buffer
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this.buffers = new BufferSet(this);
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this.buffer = this.buffers.active; // Convenience shortcut;
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this.buffers.on('activate', function (buffer) {
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this.buffer = buffer;
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});
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/**
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* An array of all lines in the entire buffer, including the prompt. The lines are array of
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* characters which are 2-length arrays where [0] is an attribute and [1] is the character.
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*/
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this.lines = new CircularList(this.scrollback);
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var i = this.rows;
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while (i--) {
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this.lines.push(this.blankLine());
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this.buffer.lines.push(this.blankLine());
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}
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// Ensure the selection manager has the correct buffer
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if (this.selectionManager) {
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this.selectionManager.setBuffer(this.lines);
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this.selectionManager.setBuffer(this.buffer.lines);
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}
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this.tabs;
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@@ -432,17 +438,17 @@ Terminal.prototype.setOption = function(key, value) {
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}
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if (this.options[key] !== value) {
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if (this.lines.length > value) {
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const amountToTrim = this.lines.length - value;
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if (this.buffer.length > value) {
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const amountToTrim = this.buffer.lines.length - value;
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const needsRefresh = (this.ydisp - amountToTrim < 0);
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this.lines.trimStart(amountToTrim);
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this.buffer.lines.trimStart(amountToTrim);
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this.ybase = Math.max(this.ybase - amountToTrim, 0);
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this.ydisp = Math.max(this.ydisp - amountToTrim, 0);
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if (needsRefresh) {
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this.refresh(0, this.rows - 1);
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}
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}
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this.lines.maxLength = value;
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this.buffer.lines.maxLength = value;
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this.viewport.syncScrollArea();
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}
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break;
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@@ -727,6 +733,7 @@ Terminal.prototype.open = function(parent, focus) {
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this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);
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this.renderer = new Renderer(this);
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<<<<<<< HEAD
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this.selectionManager = new SelectionManager(this, this.lines, this.rowContainer, this.charMeasure);
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this.selectionManager.on('refresh', data => {
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this.renderer.refreshSelection(data.start, data.end);
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@@ -739,6 +746,10 @@ Terminal.prototype.open = function(parent, focus) {
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this.textarea.focus();
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this.textarea.select();
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});
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=======
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this.selectionManager = new SelectionManager(this, this.buffer.lines, this.rowContainer, this.charMeasure);
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this.selectionManager.on('refresh', data => this.renderer.refreshSelection(data.start, data.end));
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>>>>>>> Create `terminal.buffer` convenience attribute
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this.on('scroll', () => this.selectionManager.refresh());
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this.viewportElement.addEventListener('scroll', () => this.selectionManager.refresh());
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@@ -1171,8 +1182,8 @@ Terminal.prototype.scroll = function(isWrapped) {
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var row;
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// Make room for the new row in lines
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if (this.lines.length === this.lines.maxLength) {
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this.lines.trimStart(1);
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if (this.buffer.lines.length === this.buffer.lines.maxLength) {
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this.buffer.lines.trimStart(1);
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this.ybase--;
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if (this.ydisp !== 0) {
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this.ydisp--;
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@@ -1192,12 +1203,12 @@ Terminal.prototype.scroll = function(isWrapped) {
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// subtract the bottom scroll region
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row -= this.rows - 1 - this.scrollBottom;
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if (row === this.lines.length) {
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if (row === this.buffer.lines.length) {
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// Optimization: pushing is faster than splicing when they amount to the same behavior
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this.lines.push(this.blankLine(undefined, isWrapped));
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this.buffer.lines.push(this.blankLine(undefined, isWrapped));
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} else {
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// add our new line
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this.lines.splice(row, 0, this.blankLine(undefined, isWrapped));
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this.buffer.lines.splice(row, 0, this.blankLine(undefined, isWrapped));
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}
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if (this.scrollTop !== 0) {
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@@ -1207,7 +1218,7 @@ Terminal.prototype.scroll = function(isWrapped) {
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this.ydisp = this.ybase;
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}
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}
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this.lines.splice(this.ybase + this.scrollTop, 1);
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this.buffer.lines.splice(this.ybase + this.scrollTop, 1);
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}
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// this.maxRange();
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@@ -1960,10 +1971,10 @@ Terminal.prototype.resize = function(x, y) {
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j = this.cols;
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if (j < x) {
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ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?
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i = this.lines.length;
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i = this.buffer.lines.length;
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while (i--) {
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while (this.lines.get(i).length < x) {
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this.lines.get(i).push(ch);
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while (this.buffer.lines.get(i).length < x) {
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this.buffer.lines.get(i).push(ch);
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}
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}
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}
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@@ -1978,8 +1989,8 @@ Terminal.prototype.resize = function(x, y) {
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el = this.element;
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while (j++ < y) {
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// y is rows, not this.y
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if (this.lines.length < y + this.ybase) {
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if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {
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if (this.buffer.lines.length < y + this.ybase) {
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if (this.ybase > 0 && this.buffer.lines.length <= this.ybase + this.y + addToY + 1) {
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// There is room above the buffer and there are no empty elements below the line,
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// scroll up
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this.ybase--;
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@@ -1991,7 +2002,7 @@ Terminal.prototype.resize = function(x, y) {
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} else {
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// Add a blank line if there is no buffer left at the top to scroll to, or if there
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// are blank lines after the cursor
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this.lines.push(this.blankLine());
|
||||
this.buffer.lines.push(this.blankLine());
|
||||
}
|
||||
}
|
||||
if (this.children.length < y) {
|
||||
@@ -2000,10 +2011,10 @@ Terminal.prototype.resize = function(x, y) {
|
||||
}
|
||||
} else { // (j > y)
|
||||
while (j-- > y) {
|
||||
if (this.lines.length > y + this.ybase) {
|
||||
if (this.lines.length > this.ybase + this.y + 1) {
|
||||
if (this.buffer.lines.length > y + this.ybase) {
|
||||
if (this.buffer.lines.length > this.ybase + this.y + 1) {
|
||||
// The line is a blank line below the cursor, remove it
|
||||
this.lines.pop();
|
||||
this.buffer.lines.pop();
|
||||
} else {
|
||||
// The line is the cursor, scroll down
|
||||
this.ybase++;
|
||||
@@ -2121,7 +2132,7 @@ Terminal.prototype.nextStop = function(x) {
|
||||
* @param {number} y The line in which to operate.
|
||||
*/
|
||||
Terminal.prototype.eraseRight = function(x, y) {
|
||||
var line = this.lines.get(this.ybase + y);
|
||||
var line = this.buffer.lines.get(this.ybase + y);
|
||||
if (!line) {
|
||||
return;
|
||||
}
|
||||
@@ -2140,7 +2151,7 @@ Terminal.prototype.eraseRight = function(x, y) {
|
||||
* @param {number} y The line in which to operate.
|
||||
*/
|
||||
Terminal.prototype.eraseLeft = function(x, y) {
|
||||
var line = this.lines.get(this.ybase + y);
|
||||
var line = this.buffer.lines.get(this.ybase + y);
|
||||
if (!line) {
|
||||
return;
|
||||
}
|
||||
@@ -2160,13 +2171,13 @@ Terminal.prototype.clear = function() {
|
||||
// Don't clear if it's already clear
|
||||
return;
|
||||
}
|
||||
this.lines.set(0, this.lines.get(this.ybase + this.y));
|
||||
this.lines.length = 1;
|
||||
this.buffer.lines.set(0, this.buffer.lines.get(this.ybase + this.y));
|
||||
this.buffer.lines.length = 1;
|
||||
this.ydisp = 0;
|
||||
this.ybase = 0;
|
||||
this.y = 0;
|
||||
for (var i = 1; i < this.rows; i++) {
|
||||
this.lines.push(this.blankLine());
|
||||
this.buffer.lines.push(this.blankLine());
|
||||
}
|
||||
this.refresh(0, this.rows - 1);
|
||||
this.emit('scroll', this.ydisp);
|
||||
@@ -2299,8 +2310,8 @@ Terminal.prototype.reverseIndex = function() {
|
||||
// possibly move the code below to term.reverseScroll();
|
||||
// test: echo -ne '\e[1;1H\e[44m\eM\e[0m'
|
||||
// blankLine(true) is xterm/linux behavior
|
||||
this.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1);
|
||||
this.lines.set(this.y + this.ybase, this.blankLine(true));
|
||||
this.buffer.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1);
|
||||
this.buffer.lines.set(this.y + this.ybase, this.blankLine(true));
|
||||
this.updateRange(this.scrollTop);
|
||||
this.updateRange(this.scrollBottom);
|
||||
} else {
|
||||
|
||||
Reference in New Issue
Block a user