eiac/xterm.js
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Merge branch 'master' into event_emitter_2

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Daniel Imms
2019-04-07 13:56:50 -04:00
parent 2f8d49c74d 25745777c6
commit b2ab89ddaa
19 changed files with 699 additions and 444 deletions
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src/Buffer.ts
+30 -18
View File
@@ -4,15 +4,17 @@
*/
import { CircularList, IInsertEvent } from './common/CircularList';
import { ITerminal, IBuffer, IBufferLine, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult, ICellData } from './Types';
import { ITerminal, IBuffer, IBufferLine, BufferIndex, IBufferStringIterator, IBufferStringIteratorResult, ICellData, IAttributeData } from './Types';
import { EventEmitter } from './common/EventEmitter';
import { IMarker } from 'xterm';
import { BufferLine, CellData } from './BufferLine';
import { BufferLine, CellData, AttributeData } from './BufferLine';
import { reflowLargerApplyNewLayout, reflowLargerCreateNewLayout, reflowLargerGetLinesToRemove, reflowSmallerGetNewLineLengths } from './BufferReflow';
import { DEFAULT_COLOR } from './renderer/atlas/Types';
export const DEFAULT_ATTR = (0 << 18) | (DEFAULT_COLOR << 9) | (256 << 0);
export const DEFAULT_ATTR_DATA = new AttributeData();
export const CHAR_DATA_ATTR_INDEX = 0;
export const CHAR_DATA_CHAR_INDEX = 1;
export const CHAR_DATA_WIDTH_INDEX = 2;
@@ -55,7 +57,7 @@ export class Buffer implements IBuffer {
public tabs: any;
public savedY: number;
public savedX: number;
public savedCurAttr: number;
public savedCurAttrData = DEFAULT_ATTR_DATA.clone();
public markers: Marker[] = [];
private _nullCell: ICellData = CellData.fromCharData([0, NULL_CELL_CHAR, NULL_CELL_WIDTH, NULL_CELL_CODE]);
private _whitespaceCell: ICellData = CellData.fromCharData([0, WHITESPACE_CELL_CHAR, WHITESPACE_CELL_WIDTH, WHITESPACE_CELL_CODE]);
@@ -77,19 +79,29 @@ export class Buffer implements IBuffer {
this.clear();
}
public getNullCell(fg: number = 0, bg: number = 0): ICellData {
this._nullCell.fg = fg;
this._nullCell.bg = bg;
public getNullCell(attr?: IAttributeData): ICellData {
if (attr) {
this._nullCell.fg = attr.fg;
this._nullCell.bg = attr.bg;
} else {
this._nullCell.fg = 0;
this._nullCell.bg = 0;
}
return this._nullCell;
}
public getWhitespaceCell(fg: number = 0, bg: number = 0): ICellData {
this._whitespaceCell.fg = fg;
this._whitespaceCell.bg = bg;
public getWhitespaceCell(attr?: IAttributeData): ICellData {
if (attr) {
this._whitespaceCell.fg = attr.fg;
this._whitespaceCell.bg = attr.bg;
} else {
this._whitespaceCell.fg = 0;
this._whitespaceCell.bg = 0;
}
return this._whitespaceCell;
}
public getBlankLine(attr: number, isWrapped?: boolean): IBufferLine {
public getBlankLine(attr: IAttributeData, isWrapped?: boolean): IBufferLine {
return new BufferLine(this._terminal.cols, this.getNullCell(attr), isWrapped);
}
@@ -121,10 +133,10 @@ export class Buffer implements IBuffer {
/**
* Fills the buffer's viewport with blank lines.
*/
public fillViewportRows(fillAttr?: number): void {
public fillViewportRows(fillAttr?: IAttributeData): void {
if (this.lines.length === 0) {
if (fillAttr === undefined) {
fillAttr = DEFAULT_ATTR;
fillAttr = DEFAULT_ATTR_DATA;
}
let i = this._rows;
while (i--) {
@@ -154,7 +166,7 @@ export class Buffer implements IBuffer {
*/
public resize(newCols: number, newRows: number): void {
// store reference to null cell with default attrs
const nullCell = this.getNullCell(DEFAULT_ATTR);
const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
// Increase max length if needed before adjustments to allow space to fill
// as required.
@@ -269,7 +281,7 @@ export class Buffer implements IBuffer {
}
private _reflowLarger(newCols: number, newRows: number): void {
const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, newCols, this.ybase + this.y);
const toRemove: number[] = reflowLargerGetLinesToRemove(this.lines, newCols, this.ybase + this.y, this.getNullCell(DEFAULT_ATTR_DATA));
if (toRemove.length > 0) {
const newLayoutResult = reflowLargerCreateNewLayout(this.lines, toRemove);
reflowLargerApplyNewLayout(this.lines, newLayoutResult.layout);
@@ -278,7 +290,7 @@ export class Buffer implements IBuffer {
}
private _reflowLargerAdjustViewport(newCols: number, newRows: number, countRemoved: number): void {
const nullCell = this.getNullCell(DEFAULT_ATTR);
const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
// Adjust viewport based on number of items removed
let viewportAdjustments = countRemoved;
while (viewportAdjustments-- > 0) {
@@ -300,7 +312,7 @@ export class Buffer implements IBuffer {
}
private _reflowSmaller(newCols: number, newRows: number): void {
const nullCell = this.getNullCell(DEFAULT_ATTR);
const nullCell = this.getNullCell(DEFAULT_ATTR_DATA);
// Gather all BufferLines that need to be inserted into the Buffer here so that they can be
// batched up and only committed once
const toInsert = [];
@@ -341,7 +353,7 @@ export class Buffer implements IBuffer {
// Add the new lines
const newLines: BufferLine[] = [];
for (let i = 0; i < linesToAdd; i++) {
const newLine = this.getBlankLine(DEFAULT_ATTR, true) as BufferLine;
const newLine = this.getBlankLine(DEFAULT_ATTR_DATA, true) as BufferLine;
newLines.push(newLine);
}
if (newLines.length > 0) {