X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fxterm%2Fsrc%2Frenderer%2Fdom%2FDomRenderer.ts;fp=node_modules%2Fxterm%2Fsrc%2Frenderer%2Fdom%2FDomRenderer.ts;h=ef927f2087c55e105e29d4b9175168ceabeda938;hp=0000000000000000000000000000000000000000;hb=4339da12467b75fb8b6ca831f4bf0081c485ed2c;hpb=af450fde25a9ccf4767b29254c463ffb8ef25237

diff --git a/node_modules/xterm/src/renderer/dom/DomRenderer.ts b/node_modules/xterm/src/renderer/dom/DomRenderer.ts
new file mode 100644
index 0000000..ef927f2
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+++ b/node_modules/xterm/src/renderer/dom/DomRenderer.ts
@@ -0,0 +1,392 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IRenderer, IRenderDimensions, CharacterJoinerHandler } from 'browser/renderer/Types';
+import { ITerminal } from '../../Types';
+import { BOLD_CLASS, ITALIC_CLASS, CURSOR_CLASS, CURSOR_STYLE_BLOCK_CLASS, CURSOR_BLINK_CLASS, CURSOR_STYLE_BAR_CLASS, CURSOR_STYLE_UNDERLINE_CLASS, DomRendererRowFactory } from 'browser/renderer/dom/DomRendererRowFactory';
+import { INVERTED_DEFAULT_COLOR } from 'browser/renderer/atlas/Constants';
+import { Disposable } from 'common/Lifecycle';
+import { IColorSet, ILinkifierEvent } from 'browser/Types';
+import { ICharSizeService } from 'browser/services/Services';
+import { IOptionsService } from 'common/services/Services';
+
+const TERMINAL_CLASS_PREFIX = 'xterm-dom-renderer-owner-';
+const ROW_CONTAINER_CLASS = 'xterm-rows';
+const FG_CLASS_PREFIX = 'xterm-fg-';
+const BG_CLASS_PREFIX = 'xterm-bg-';
+const FOCUS_CLASS = 'xterm-focus';
+const SELECTION_CLASS = 'xterm-selection';
+
+let nextTerminalId = 1;
+
+/**
+ * A fallback renderer for when canvas is slow. This is not meant to be
+ * particularly fast or feature complete, more just stable and usable for when
+ * canvas is not an option.
+ */
+export class DomRenderer extends Disposable implements IRenderer {
+  private _rowFactory: DomRendererRowFactory;
+  private _terminalClass: number = nextTerminalId++;
+
+  private _themeStyleElement: HTMLStyleElement;
+  private _dimensionsStyleElement: HTMLStyleElement;
+  private _rowContainer: HTMLElement;
+  private _rowElements: HTMLElement[] = [];
+  private _selectionContainer: HTMLElement;
+
+  public dimensions: IRenderDimensions;
+
+  constructor(
+    private _terminal: ITerminal,
+    private _colors: IColorSet,
+    private _charSizeService: ICharSizeService,
+    private _optionsService: IOptionsService
+  ) {
+    super();
+
+    this._rowContainer = document.createElement('div');
+    this._rowContainer.classList.add(ROW_CONTAINER_CLASS);
+    this._rowContainer.style.lineHeight = 'normal';
+    this._rowContainer.setAttribute('aria-hidden', 'true');
+    this._refreshRowElements(this._terminal.cols, this._terminal.rows);
+    this._selectionContainer = document.createElement('div');
+    this._selectionContainer.classList.add(SELECTION_CLASS);
+    this._selectionContainer.setAttribute('aria-hidden', 'true');
+
+    this.dimensions = {
+      scaledCharWidth: null,
+      scaledCharHeight: null,
+      scaledCellWidth: null,
+      scaledCellHeight: null,
+      scaledCharLeft: null,
+      scaledCharTop: null,
+      scaledCanvasWidth: null,
+      scaledCanvasHeight: null,
+      canvasWidth: null,
+      canvasHeight: null,
+      actualCellWidth: null,
+      actualCellHeight: null
+    };
+    this._updateDimensions();
+    this._injectCss();
+
+    this._rowFactory = new DomRendererRowFactory(document, this._optionsService);
+
+    this._terminal.element.classList.add(TERMINAL_CLASS_PREFIX + this._terminalClass);
+    this._terminal.screenElement.appendChild(this._rowContainer);
+    this._terminal.screenElement.appendChild(this._selectionContainer);
+
+    this._terminal.linkifier.onLinkHover(e => this._onLinkHover(e));
+    this._terminal.linkifier.onLinkLeave(e => this._onLinkLeave(e));
+  }
+
+  public dispose(): void {
+    this._terminal.element.classList.remove(TERMINAL_CLASS_PREFIX + this._terminalClass);
+    this._terminal.screenElement.removeChild(this._rowContainer);
+    this._terminal.screenElement.removeChild(this._selectionContainer);
+    this._terminal.screenElement.removeChild(this._themeStyleElement);
+    this._terminal.screenElement.removeChild(this._dimensionsStyleElement);
+    super.dispose();
+  }
+
+  private _updateDimensions(): void {
+    this.dimensions.scaledCharWidth = this._charSizeService.width * window.devicePixelRatio;
+    this.dimensions.scaledCharHeight = Math.ceil(this._charSizeService.height * window.devicePixelRatio);
+    this.dimensions.scaledCellWidth = this.dimensions.scaledCharWidth + Math.round(this._terminal.options.letterSpacing);
+    this.dimensions.scaledCellHeight = Math.floor(this.dimensions.scaledCharHeight * this._terminal.options.lineHeight);
+    this.dimensions.scaledCharLeft = 0;
+    this.dimensions.scaledCharTop = 0;
+    this.dimensions.scaledCanvasWidth = this.dimensions.scaledCellWidth * this._terminal.cols;
+    this.dimensions.scaledCanvasHeight = this.dimensions.scaledCellHeight * this._terminal.rows;
+    this.dimensions.canvasWidth = Math.round(this.dimensions.scaledCanvasWidth / window.devicePixelRatio);
+    this.dimensions.canvasHeight = Math.round(this.dimensions.scaledCanvasHeight / window.devicePixelRatio);
+    this.dimensions.actualCellWidth = this.dimensions.canvasWidth / this._terminal.cols;
+    this.dimensions.actualCellHeight = this.dimensions.canvasHeight / this._terminal.rows;
+
+    this._rowElements.forEach(element => {
+      element.style.width = `${this.dimensions.canvasWidth}px`;
+      element.style.height = `${this.dimensions.actualCellHeight}px`;
+      element.style.lineHeight = `${this.dimensions.actualCellHeight}px`;
+      // Make sure rows don't overflow onto following row
+      element.style.overflow = 'hidden';
+    });
+
+    if (!this._dimensionsStyleElement) {
+      this._dimensionsStyleElement = document.createElement('style');
+      this._terminal.screenElement.appendChild(this._dimensionsStyleElement);
+    }
+
+    const styles =
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} span {` +
+        ` display: inline-block;` +
+        ` height: 100%;` +
+        ` vertical-align: top;` +
+        ` width: ${this.dimensions.actualCellWidth}px` +
+        `}`;
+
+    this._dimensionsStyleElement.innerHTML = styles;
+
+    this._selectionContainer.style.height = (<any>this._terminal)._viewportElement.style.height;
+    this._terminal.screenElement.style.width = `${this.dimensions.canvasWidth}px`;
+    this._terminal.screenElement.style.height = `${this.dimensions.canvasHeight}px`;
+  }
+
+  public setColors(colors: IColorSet): void {
+    this._colors = colors;
+    this._injectCss();
+  }
+
+  private _injectCss(): void {
+    if (!this._themeStyleElement) {
+      this._themeStyleElement = document.createElement('style');
+      this._terminal.screenElement.appendChild(this._themeStyleElement);
+    }
+
+    // Base CSS
+    let styles =
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} {` +
+        ` color: ${this._colors.foreground.css};` +
+        ` background-color: ${this._colors.background.css};` +
+        ` font-family: ${this._terminal.options.fontFamily};` +
+        ` font-size: ${this._terminal.options.fontSize}px;` +
+        `}`;
+    // Text styles
+    styles +=
+        `${this._terminalSelector} span:not(.${BOLD_CLASS}) {` +
+        ` font-weight: ${this._terminal.options.fontWeight};` +
+        `}` +
+        `${this._terminalSelector} span.${BOLD_CLASS} {` +
+        ` font-weight: ${this._terminal.options.fontWeightBold};` +
+        `}` +
+        `${this._terminalSelector} span.${ITALIC_CLASS} {` +
+        ` font-style: italic;` +
+        `}`;
+    // Blink animation
+    styles +=
+        `@keyframes blink_box_shadow {` +
+        ` 50% {` +
+        `  box-shadow: none;` +
+        ` }` +
+        `}`;
+    styles +=
+        `@keyframes blink_block {` +
+        ` 0% {` +
+        `  background-color: ${this._colors.cursor.css};` +
+        `  color: ${this._colors.cursorAccent.css};` +
+        ` }` +
+        ` 50% {` +
+        `  background-color: ${this._colors.cursorAccent.css};` +
+        `  color: ${this._colors.cursor.css};` +
+        ` }` +
+        `}`;
+    // Cursor
+    styles +=
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}:not(.${FOCUS_CLASS}) .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +
+        ` outline: 1px solid ${this._colors.cursor.css};` +
+        ` outline-offset: -1px;` +
+        `}` +
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_BLINK_CLASS}:not(.${CURSOR_STYLE_BLOCK_CLASS}) {` +
+        ` animation: blink_box_shadow 1s step-end infinite;` +
+        `}` +
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_BLINK_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +
+        ` animation: blink_block 1s step-end infinite;` +
+        `}` +
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS}.${FOCUS_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BLOCK_CLASS} {` +
+        ` background-color: ${this._colors.cursor.css};` +
+        ` color: ${this._colors.cursorAccent.css};` +
+        `}` +
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_BAR_CLASS} {` +
+        ` box-shadow: 1px 0 0 ${this._colors.cursor.css} inset;` +
+        `}` +
+        `${this._terminalSelector} .${ROW_CONTAINER_CLASS} .${CURSOR_CLASS}.${CURSOR_STYLE_UNDERLINE_CLASS} {` +
+        ` box-shadow: 0 -1px 0 ${this._colors.cursor.css} inset;` +
+        `}`;
+    // Selection
+    styles +=
+        `${this._terminalSelector} .${SELECTION_CLASS} {` +
+        ` position: absolute;` +
+        ` top: 0;` +
+        ` left: 0;` +
+        ` z-index: 1;` +
+        ` pointer-events: none;` +
+        `}` +
+        `${this._terminalSelector} .${SELECTION_CLASS} div {` +
+        ` position: absolute;` +
+        ` background-color: ${this._colors.selection.css};` +
+        `}`;
+    // Colors
+    this._colors.ansi.forEach((c, i) => {
+      styles +=
+          `${this._terminalSelector} .${FG_CLASS_PREFIX}${i} { color: ${c.css}; }` +
+          `${this._terminalSelector} .${BG_CLASS_PREFIX}${i} { background-color: ${c.css}; }`;
+    });
+    styles +=
+        `${this._terminalSelector} .${FG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { color: ${this._colors.background.css}; }` +
+        `${this._terminalSelector} .${BG_CLASS_PREFIX}${INVERTED_DEFAULT_COLOR} { background-color: ${this._colors.foreground.css}; }`;
+
+    this._themeStyleElement.innerHTML = styles;
+  }
+
+  public onDevicePixelRatioChange(): void {
+    this._updateDimensions();
+  }
+
+  private _refreshRowElements(cols: number, rows: number): void {
+    // Add missing elements
+    for (let i = this._rowElements.length; i <= rows; i++) {
+      const row = document.createElement('div');
+      this._rowContainer.appendChild(row);
+      this._rowElements.push(row);
+    }
+    // Remove excess elements
+    while (this._rowElements.length > rows) {
+      this._rowContainer.removeChild(this._rowElements.pop());
+    }
+  }
+
+  public onResize(cols: number, rows: number): void {
+    this._refreshRowElements(cols, rows);
+    this._updateDimensions();
+  }
+
+  public onCharSizeChanged(): void {
+    this._updateDimensions();
+  }
+
+  public onBlur(): void {
+    this._rowContainer.classList.remove(FOCUS_CLASS);
+  }
+
+  public onFocus(): void {
+    this._rowContainer.classList.add(FOCUS_CLASS);
+  }
+
+  public onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void {
+    // Remove all selections
+    while (this._selectionContainer.children.length) {
+      this._selectionContainer.removeChild(this._selectionContainer.children[0]);
+    }
+
+    // Selection does not exist
+    if (!start || !end) {
+      return;
+    }
+
+    // Translate from buffer position to viewport position
+    const viewportStartRow = start[1] - this._terminal.buffer.ydisp;
+    const viewportEndRow = end[1] - this._terminal.buffer.ydisp;
+    const viewportCappedStartRow = Math.max(viewportStartRow, 0);
+    const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);
+
+    // No need to draw the selection
+    if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {
+      return;
+    }
+
+    // Create the selections
+    const documentFragment = document.createDocumentFragment();
+
+    if (columnSelectMode) {
+      documentFragment.appendChild(
+        this._createSelectionElement(viewportCappedStartRow, start[0], end[0], viewportCappedEndRow - viewportCappedStartRow + 1)
+      );
+    } else {
+      // Draw first row
+      const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;
+      const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));
+      // Draw middle rows
+      const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;
+      documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));
+      // Draw final row
+      if (viewportCappedStartRow !== viewportCappedEndRow) {
+        // Only draw viewportEndRow if it's not the same as viewporttartRow
+        const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;
+        documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));
+      }
+    }
+    this._selectionContainer.appendChild(documentFragment);
+  }
+
+  /**
+   * Creates a selection element at the specified position.
+   * @param row The row of the selection.
+   * @param colStart The start column.
+   * @param colEnd The end columns.
+   */
+  private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {
+    const element = document.createElement('div');
+    element.style.height = `${rowCount * this.dimensions.actualCellHeight}px`;
+    element.style.top = `${row * this.dimensions.actualCellHeight}px`;
+    element.style.left = `${colStart * this.dimensions.actualCellWidth}px`;
+    element.style.width = `${this.dimensions.actualCellWidth * (colEnd - colStart)}px`;
+    return element;
+  }
+
+  public onCursorMove(): void {
+    // No-op, the cursor is drawn when rows are drawn
+  }
+
+  public onOptionsChanged(): void {
+    // Force a refresh
+    this._updateDimensions();
+    this._injectCss();
+    this._terminal.refresh(0, this._terminal.rows - 1);
+  }
+
+  public clear(): void {
+    this._rowElements.forEach(e => e.innerHTML = '');
+  }
+
+  public renderRows(start: number, end: number): void {
+    const terminal = this._terminal;
+
+    const cursorAbsoluteY = terminal.buffer.ybase + terminal.buffer.y;
+    const cursorX = this._terminal.buffer.x;
+    const cursorBlink = this._terminal.options.cursorBlink;
+
+    for (let y = start; y <= end; y++) {
+      const rowElement = this._rowElements[y];
+      rowElement.innerHTML = '';
+
+      const row = y + terminal.buffer.ydisp;
+      const lineData = terminal.buffer.lines.get(row);
+      const cursorStyle = terminal.options.cursorStyle;
+      rowElement.appendChild(this._rowFactory.createRow(lineData, row === cursorAbsoluteY, cursorStyle, cursorX, cursorBlink, this.dimensions.actualCellWidth, terminal.cols));
+    }
+  }
+
+  private get _terminalSelector(): string {
+    return `.${TERMINAL_CLASS_PREFIX}${this._terminalClass}`;
+  }
+
+  public registerCharacterJoiner(handler: CharacterJoinerHandler): number { return -1; }
+  public deregisterCharacterJoiner(joinerId: number): boolean { return false; }
+
+  private _onLinkHover(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, true);
+  }
+
+  private _onLinkLeave(e: ILinkifierEvent): void {
+    this._setCellUnderline(e.x1, e.x2, e.y1, e.y2, e.cols, false);
+  }
+
+  private _setCellUnderline(x: number, x2: number, y: number, y2: number, cols: number, enabled: boolean): void {
+    while (x !== x2 || y !== y2) {
+      const row = this._rowElements[y];
+      if (!row) {
+        return;
+      }
+      const span = <HTMLElement>row.children[x];
+      if (span) {
+        span.style.textDecoration = enabled ? 'underline' : 'none';
+      }
+      if (++x >= cols) {
+        x = 0;
+        y++;
+      }
+    }
+  }
+}