133 lines
4.8 KiB
TypeScript
133 lines
4.8 KiB
TypeScript
/**
|
|
* Copyright (c) 2018 The xterm.js authors. All rights reserved.
|
|
* @license MIT
|
|
*/
|
|
|
|
import { IBufferLine } from 'common/Types';
|
|
import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';
|
|
import { AttributeData } from 'common/buffer/AttributeData';
|
|
import { NULL_CELL_CODE, WHITESPACE_CELL_CHAR } from 'common/buffer/Constants';
|
|
import { CellData } from 'common/buffer/CellData';
|
|
import { ITerminalOptions, IOptionsService } from 'common/services/Services';
|
|
|
|
export const BOLD_CLASS = 'xterm-bold';
|
|
export const DIM_CLASS = 'xterm-dim';
|
|
export const ITALIC_CLASS = 'xterm-italic';
|
|
export const UNDERLINE_CLASS = 'xterm-underline';
|
|
export const CURSOR_CLASS = 'xterm-cursor';
|
|
export const CURSOR_BLINK_CLASS = 'xterm-cursor-blink';
|
|
export const CURSOR_STYLE_BLOCK_CLASS = 'xterm-cursor-block';
|
|
export const CURSOR_STYLE_BAR_CLASS = 'xterm-cursor-bar';
|
|
export const CURSOR_STYLE_UNDERLINE_CLASS = 'xterm-cursor-underline';
|
|
|
|
export class DomRendererRowFactory {
|
|
private _workCell: CellData = new CellData();
|
|
|
|
constructor(
|
|
private _document: Document,
|
|
private _optionsService: IOptionsService
|
|
) {
|
|
}
|
|
|
|
public createRow(lineData: IBufferLine, isCursorRow: boolean, cursorStyle: string | undefined, cursorX: number, cursorBlink: boolean, cellWidth: number, cols: number): DocumentFragment {
|
|
const fragment = this._document.createDocumentFragment();
|
|
|
|
// Find the line length first, this prevents the need to output a bunch of
|
|
// empty cells at the end. This cannot easily be integrated into the main
|
|
// loop below because of the colCount feature (which can be removed after we
|
|
// properly support reflow and disallow data to go beyond the right-side of
|
|
// the viewport).
|
|
let lineLength = 0;
|
|
for (let x = Math.min(lineData.length, cols) - 1; x >= 0; x--) {
|
|
if (lineData.loadCell(x, this._workCell).getCode() !== NULL_CELL_CODE || (isCursorRow && x === cursorX)) {
|
|
lineLength = x + 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (let x = 0; x < lineLength; x++) {
|
|
lineData.loadCell(x, this._workCell);
|
|
const width = this._workCell.getWidth();
|
|
|
|
// The character to the left is a wide character, drawing is owned by the char at x-1
|
|
if (width === 0) {
|
|
continue;
|
|
}
|
|
|
|
const charElement = this._document.createElement('span');
|
|
if (width > 1) {
|
|
charElement.style.width = `${cellWidth * width}px`;
|
|
}
|
|
|
|
if (isCursorRow && x === cursorX) {
|
|
charElement.classList.add(CURSOR_CLASS);
|
|
|
|
if (cursorBlink) {
|
|
charElement.classList.add(CURSOR_BLINK_CLASS);
|
|
}
|
|
|
|
switch (cursorStyle) {
|
|
case 'bar':
|
|
charElement.classList.add(CURSOR_STYLE_BAR_CLASS);
|
|
break;
|
|
case 'underline':
|
|
charElement.classList.add(CURSOR_STYLE_UNDERLINE_CLASS);
|
|
break;
|
|
default:
|
|
charElement.classList.add(CURSOR_STYLE_BLOCK_CLASS);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (this._workCell.isBold()) {
|
|
charElement.classList.add(BOLD_CLASS);
|
|
}
|
|
|
|
if (this._workCell.isItalic()) {
|
|
charElement.classList.add(ITALIC_CLASS);
|
|
}
|
|
|
|
if (this._workCell.isDim()) {
|
|
charElement.classList.add(DIM_CLASS);
|
|
}
|
|
|
|
if (this._workCell.isUnderline()) {
|
|
charElement.classList.add(UNDERLINE_CLASS);
|
|
}
|
|
|
|
charElement.textContent = this._workCell.getChars() || WHITESPACE_CELL_CHAR;
|
|
|
|
const swapColor = this._workCell.isInverse();
|
|
|
|
// fg
|
|
if (this._workCell.isFgRGB()) {
|
|
let style = charElement.getAttribute('style') || '';
|
|
style += `${swapColor ? 'background-' : ''}color:rgb(${(AttributeData.toColorRGB(this._workCell.getFgColor())).join(',')});`;
|
|
charElement.setAttribute('style', style);
|
|
} else if (this._workCell.isFgPalette()) {
|
|
let fg = this._workCell.getFgColor();
|
|
if (this._workCell.isBold() && fg < 8 && !swapColor && this._optionsService.options.drawBoldTextInBrightColors) {
|
|
fg += 8;
|
|
}
|
|
charElement.classList.add(`xterm-${swapColor ? 'b' : 'f'}g-${fg}`);
|
|
} else if (swapColor) {
|
|
charElement.classList.add(`xterm-bg-${INVERTED_DEFAULT_COLOR}`);
|
|
}
|
|
|
|
// bg
|
|
if (this._workCell.isBgRGB()) {
|
|
let style = charElement.getAttribute('style') || '';
|
|
style += `${swapColor ? '' : 'background-'}color:rgb(${(AttributeData.toColorRGB(this._workCell.getBgColor())).join(',')});`;
|
|
charElement.setAttribute('style', style);
|
|
} else if (this._workCell.isBgPalette()) {
|
|
charElement.classList.add(`xterm-${swapColor ? 'f' : 'b'}g-${this._workCell.getBgColor()}`);
|
|
} else if (swapColor) {
|
|
charElement.classList.add(`xterm-fg-${INVERTED_DEFAULT_COLOR}`);
|
|
}
|
|
|
|
fragment.appendChild(charElement);
|
|
}
|
|
return fragment;
|
|
}
|
|
}
|