Merge branch 'master' into issue_3074_fix

This commit is contained in:
Daniel Imms
2021-08-30 10:37:44 -07:00
committed by GitHub
58 changed files with 3802 additions and 354 deletions
+4 -4
View File
@@ -4,10 +4,10 @@
*/
import * as Strings from 'browser/LocalizableStrings';
import { ITerminal } from 'browser/Types';
import { ITerminal, IRenderDebouncer } from 'browser/Types';
import { IBuffer } from 'common/buffer/Types';
import { isMac } from 'common/Platform';
import { RenderDebouncer } from 'browser/RenderDebouncer';
import { TimeBasedDebouncer } from 'browser/TimeBasedDebouncer';
import { addDisposableDomListener } from 'browser/Lifecycle';
import { Disposable } from 'common/Lifecycle';
import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
@@ -28,7 +28,7 @@ export class AccessibilityManager extends Disposable {
private _liveRegion: HTMLElement;
private _liveRegionLineCount: number = 0;
private _renderRowsDebouncer: RenderDebouncer;
private _renderRowsDebouncer: IRenderDebouncer;
private _screenDprMonitor: ScreenDprMonitor;
private _topBoundaryFocusListener: (e: FocusEvent) => void;
@@ -72,7 +72,7 @@ export class AccessibilityManager extends Disposable {
this._refreshRowsDimensions();
this._accessibilityTreeRoot.appendChild(this._rowContainer);
this._renderRowsDebouncer = new RenderDebouncer(this._renderRows.bind(this));
this._renderRowsDebouncer = new TimeBasedDebouncer(this._renderRows.bind(this));
this._refreshRows();
this._liveRegion = document.createElement('div');
+2 -2
View File
@@ -3,12 +3,12 @@
* @license MIT
*/
import { IDisposable } from 'common/Types';
import { IRenderDebouncer } from 'browser/Types';
/**
* Debounces calls to render terminal rows using animation frames.
*/
export class RenderDebouncer implements IDisposable {
export class RenderDebouncer implements IRenderDebouncer {
private _rowStart: number | undefined;
private _rowEnd: number | undefined;
private _rowCount: number | undefined;
+80 -28
View File
@@ -94,6 +94,20 @@ export class Terminal extends CoreTerminal implements ITerminal {
*/
private _keyDownHandled: boolean = false;
/**
* Records whether the keypress event has already been handled and triggered a data event, if so
* the input event should not trigger a data event but should still print to the textarea so
* screen readers will announce it.
*/
private _keyPressHandled: boolean = false;
/**
* Records whether there has been a keydown event for a dead key without a corresponding keydown
* event for the composed/alternative character. If we cancel the keydown event for the dead key,
* no events will be emitted for the final character.
*/
private _unprocessedDeadKey: boolean = false;
public linkifier: ILinkifier;
public linkifier2: ILinkifier2;
public viewport: IViewport | undefined;
@@ -113,8 +127,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
public get onSelectionChange(): IEvent<void> { return this._onSelectionChange.event; }
private _onTitleChange = new EventEmitter<string>();
public get onTitleChange(): IEvent<string> { return this._onTitleChange.event; }
private _onBell = new EventEmitter<void>();
public get onBell (): IEvent<void> { return this._onBell.event; }
private _onBell = new EventEmitter<void>();
public get onBell(): IEvent<void> { return this._onBell.event; }
private _onFocus = new EventEmitter<void>();
public get onFocus(): IEvent<void> { return this._onFocus.event; }
@@ -224,6 +238,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
// The DOM renderer needs a row refresh to update the cursor styles
this.refresh(this.buffer.y, this.buffer.y);
break;
case 'customGlyphs':
case 'drawBoldTextInBrightColors':
case 'letterSpacing':
case 'lineHeight':
@@ -267,8 +282,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
* Binds the desired focus behavior on a given terminal object.
*/
private _onTextAreaFocus(ev: KeyboardEvent): void {
if (this._coreService.decPrivateModes.sendFocus) {
this._coreService.triggerDataEvent(C0.ESC + '[I');
if (this.coreService.decPrivateModes.sendFocus) {
this.coreService.triggerDataEvent(C0.ESC + '[I');
}
this.updateCursorStyle(ev);
this.element!.classList.add('focus');
@@ -292,8 +307,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
// screen readers reading it out.
this.textarea!.value = '';
this.refresh(this.buffer.y, this.buffer.y);
if (this._coreService.decPrivateModes.sendFocus) {
this._coreService.triggerDataEvent(C0.ESC + '[O');
if (this.coreService.decPrivateModes.sendFocus) {
this.coreService.triggerDataEvent(C0.ESC + '[O');
}
this.element!.classList.remove('focus');
this._onBlur.fire();
@@ -340,7 +355,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
copyHandler(event, this._selectionService!);
}));
const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this._coreService);
const pasteHandlerWrapper = (event: ClipboardEvent): void => handlePasteEvent(event, this.textarea!, this.coreService);
this.register(addDisposableDomListener(this.textarea!, 'paste', pasteHandlerWrapper));
this.register(addDisposableDomListener(this.element!, 'paste', pasteHandlerWrapper));
@@ -382,6 +397,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
this.register(addDisposableDomListener(this.textarea!, 'compositionstart', () => this._compositionHelper!.compositionstart()));
this.register(addDisposableDomListener(this.textarea!, 'compositionupdate', (e: CompositionEvent) => this._compositionHelper!.compositionupdate(e)));
this.register(addDisposableDomListener(this.textarea!, 'compositionend', () => this._compositionHelper!.compositionend()));
this.register(addDisposableDomListener(this.textarea!, 'input', (ev: InputEvent) => this._inputEvent(ev), true));
this.register(this.onRender(() => this._compositionHelper!.updateCompositionElements()));
this.register(this.onRender(e => this._queueLinkification(e.start, e.end)));
}
@@ -408,7 +424,6 @@ export class Terminal extends CoreTerminal implements ITerminal {
this.element.classList.add('terminal');
this.element.classList.add('xterm');
this.element.setAttribute('tabindex', '0');
this.element.setAttribute('role', 'document');
parent.appendChild(this.element);
// Performance: Use a document fragment to build the terminal
@@ -526,7 +541,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
this.register(addDisposableDomListener(this.element, 'mousedown', (e: MouseEvent) => this._selectionService!.onMouseDown(e)));
// apply mouse event classes set by escape codes before terminal was attached
if (this._coreMouseService.areMouseEventsActive) {
if (this.coreMouseService.areMouseEventsActive) {
this._selectionService.disable();
this.element.classList.add('enable-mouse-events');
} else {
@@ -644,7 +659,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
return false;
}
return self._coreMouseService.triggerMouseEvent({
return self.coreMouseService.triggerMouseEvent({
col: pos.x - 33, // FIXME: why -33 here?
row: pos.y - 33,
button: but,
@@ -699,11 +714,11 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
}
};
this.register(this._coreMouseService.onProtocolChange(events => {
this.register(this.coreMouseService.onProtocolChange(events => {
// apply global changes on events
if (events) {
if (this.optionsService.options.logLevel === 'debug') {
this._logService.debug('Binding to mouse events:', this._coreMouseService.explainEvents(events));
this._logService.debug('Binding to mouse events:', this.coreMouseService.explainEvents(events));
}
this.element!.classList.add('enable-mouse-events');
this._selectionService!.disable();
@@ -746,7 +761,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
}));
// force initial onProtocolChange so we dont miss early mouse requests
this._coreMouseService.activeProtocol = this._coreMouseService.activeProtocol;
this.coreMouseService.activeProtocol = this.coreMouseService.activeProtocol;
/**
* "Always on" event listeners.
@@ -758,7 +773,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
// Don't send the mouse button to the pty if mouse events are disabled or
// if the selection manager is having selection forced (ie. a modifier is
// held).
if (!this._coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {
if (!this.coreMouseService.areMouseEventsActive || this._selectionService!.shouldForceSelection(ev)) {
return;
}
@@ -791,12 +806,12 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
// Construct and send sequences
const sequence = C0.ESC + (this._coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
const sequence = C0.ESC + (this.coreService.decPrivateModes.applicationCursorKeys ? 'O' : '[') + (ev.deltaY < 0 ? 'A' : 'B');
let data = '';
for (let i = 0; i < Math.abs(amount); i++) {
data += sequence;
}
this._coreService.triggerDataEvent(data, true);
this.coreService.triggerDataEvent(data, true);
}
return;
}
@@ -812,13 +827,13 @@ export class Terminal extends CoreTerminal implements ITerminal {
}, { passive: false }));
this.register(addDisposableDomListener(el, 'touchstart', (ev: TouchEvent) => {
if (this._coreMouseService.areMouseEventsActive) return;
if (this.coreMouseService.areMouseEventsActive) return;
this.viewport!.onTouchStart(ev);
return this.cancel(ev);
}, { passive: true }));
this.register(addDisposableDomListener(el, 'touchmove', (ev: TouchEvent) => {
if (this._coreMouseService.areMouseEventsActive) return;
if (this.coreMouseService.areMouseEventsActive) return;
if (!this.viewport!.onTouchMove(ev)) {
return this.cancel(ev);
}
@@ -860,8 +875,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
* Display the cursor element
*/
private _showCursor(): void {
if (!this._coreService.isCursorInitialized) {
this._coreService.isCursorInitialized = true;
if (!this.coreService.isCursorInitialized) {
this.coreService.isCursorInitialized = true;
this.refresh(this.buffer.y, this.buffer.y);
}
}
@@ -872,7 +887,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
public paste(data: string): void {
paste(data, this.textarea!, this._coreService);
paste(data, this.textarea!, this.coreService);
}
/**
@@ -1025,7 +1040,11 @@ export class Terminal extends CoreTerminal implements ITerminal {
return false;
}
const result = evaluateKeyboardEvent(event, this._coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
if (event.key === 'Dead' || event.key === 'AltGraph') {
this._unprocessedDeadKey = true;
}
const result = evaluateKeyboardEvent(event, this.coreService.decPrivateModes.applicationCursorKeys, this.browser.isMac, this.options.macOptionIsMeta);
this.updateCursorStyle(event);
@@ -1052,6 +1071,11 @@ export class Terminal extends CoreTerminal implements ITerminal {
return true;
}
if (this._unprocessedDeadKey) {
this._unprocessedDeadKey = false;
return true;
}
// If ctrl+c or enter is being sent, clear out the textarea. This is done so that screen readers
// will announce deleted characters. This will not work 100% of the time but it should cover
// most scenarios.
@@ -1061,7 +1085,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
this._onKey.fire({ key: result.key, domEvent: event });
this._showCursor();
this._coreService.triggerDataEvent(result.key, true);
this.coreService.triggerDataEvent(result.key, true);
// Cancel events when not in screen reader mode so events don't get bubbled up and handled by
// other listeners. When screen reader mode is enabled, this could cause issues if the event
@@ -1074,10 +1098,11 @@ export class Terminal extends CoreTerminal implements ITerminal {
this._keyDownHandled = true;
}
private _isThirdLevelShift(browser: IBrowser, ev: IKeyboardEvent): boolean {
private _isThirdLevelShift(browser: IBrowser, ev: KeyboardEvent): boolean {
const thirdLevelKey =
(browser.isMac && !this.options.macOptionIsMeta && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||
(browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);
(browser.isWindows && ev.altKey && ev.ctrlKey && !ev.metaKey) ||
(browser.isWindows && ev.getModifierState('AltGraph'));
if (ev.type === 'keypress') {
return thirdLevelKey;
@@ -1097,6 +1122,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
}
this.updateCursorStyle(ev);
this._keyPressHandled = false;
}
/**
@@ -1108,6 +1134,8 @@ export class Terminal extends CoreTerminal implements ITerminal {
protected _keyPress(ev: KeyboardEvent): boolean {
let key;
this._keyPressHandled = false;
if (this._keyDownHandled) {
return false;
}
@@ -1138,11 +1166,35 @@ export class Terminal extends CoreTerminal implements ITerminal {
this._onKey.fire({ key, domEvent: ev });
this._showCursor();
this._coreService.triggerDataEvent(key, true);
this.coreService.triggerDataEvent(key, true);
this._keyPressHandled = true;
return true;
}
/**
* Handle an input event.
* Key Resources:
* - https://developer.mozilla.org/en-US/docs/Web/API/InputEvent
* @param ev The input event to be handled.
*/
protected _inputEvent(ev: InputEvent): boolean {
if (ev.data && ev.inputType === 'insertText') {
if (this._keyPressHandled) {
return false;
}
const text = ev.data;
this.coreService.triggerDataEvent(text, true);
this.cancel(ev);
return true;
}
return false;
}
/**
* Ring the bell.
* Note: We could do sweet things with webaudio here
@@ -1247,12 +1299,12 @@ export class Terminal extends CoreTerminal implements ITerminal {
case WindowsOptionsReportType.GET_WIN_SIZE_PIXELS:
const canvasWidth = this._renderService.dimensions.scaledCanvasWidth.toFixed(0);
const canvasHeight = this._renderService.dimensions.scaledCanvasHeight.toFixed(0);
this._coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);
this.coreService.triggerDataEvent(`${C0.ESC}[4;${canvasHeight};${canvasWidth}t`);
break;
case WindowsOptionsReportType.GET_CELL_SIZE_PIXELS:
const cellWidth = this._renderService.dimensions.scaledCellWidth.toFixed(0);
const cellHeight = this._renderService.dimensions.scaledCellHeight.toFixed(0);
this._coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);
this.coreService.triggerDataEvent(`${C0.ESC}[6;${cellHeight};${cellWidth}t`);
break;
}
}
+3 -1
View File
@@ -13,7 +13,7 @@ import { IBufferLine, ICellData, IAttributeData, ICircularList, XtermListener, I
import { Buffer } from 'common/buffer/Buffer';
import * as Browser from 'common/Platform';
import { Terminal } from 'browser/Terminal';
import { IUnicodeService, IOptionsService } from 'common/services/Services';
import { IUnicodeService, IOptionsService, ICoreService, ICoreMouseService } from 'common/services/Services';
import { IFunctionIdentifier, IParams } from 'common/parser/Types';
import { AttributeData } from 'common/buffer/AttributeData';
@@ -43,6 +43,8 @@ export class MockTerminal implements ITerminal {
public onRender!: IEvent<{ start: number, end: number }>;
public onResize!: IEvent<{ cols: number, rows: number }>;
public markers!: IMarker[];
public coreMouseService!: ICoreMouseService;
public coreService!: ICoreService;
public optionsService!: IOptionsService;
public unicodeService!: IUnicodeService;
public addMarker(cursorYOffset: number): IMarker {
+86
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@@ -0,0 +1,86 @@
/**
* Copyright (c) 2018 The xterm.js authors. All rights reserved.
* @license MIT
*/
const RENDER_DEBOUNCE_THRESHOLD_MS = 1000; // 1 Second
import { IRenderDebouncer } from 'browser/Types';
/**
* Debounces calls to update screen readers to update at most once configurable interval of time.
*/
export class TimeBasedDebouncer implements IRenderDebouncer {
private _rowStart: number | undefined;
private _rowEnd: number | undefined;
private _rowCount: number | undefined;
// The last moment that the Terminal was refreshed at
private _lastRefreshMs = 0;
// Whether a trailing refresh should be triggered due to a refresh request that was throttled
private _additionalRefreshRequested = false;
private _refreshTimeoutID: number | undefined;
constructor(
private _renderCallback: (start: number, end: number) => void,
private readonly _debounceThresholdMS = RENDER_DEBOUNCE_THRESHOLD_MS
) {
}
public dispose(): void {
if (this._refreshTimeoutID) {
clearTimeout(this._refreshTimeoutID);
}
}
public refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void {
this._rowCount = rowCount;
// Get the min/max row start/end for the arg values
rowStart = rowStart !== undefined ? rowStart : 0;
rowEnd = rowEnd !== undefined ? rowEnd : this._rowCount - 1;
// Set the properties to the updated values
this._rowStart = this._rowStart !== undefined ? Math.min(this._rowStart, rowStart) : rowStart;
this._rowEnd = this._rowEnd !== undefined ? Math.max(this._rowEnd, rowEnd) : rowEnd;
// Only refresh if the time since last refresh is above a threshold, otherwise wait for
// enough time to pass before refreshing again.
const refreshRequestTime: number = Date.now();
if (refreshRequestTime - this._lastRefreshMs >= this._debounceThresholdMS) {
// Enough time has lapsed since the last refresh; refresh immediately
this._lastRefreshMs = refreshRequestTime;
this._innerRefresh();
} else if (!this._additionalRefreshRequested) {
// This is the first additional request throttled; set up trailing refresh
const elapsed = refreshRequestTime - this._lastRefreshMs;
const waitPeriodBeforeTrailingRefresh = this._debounceThresholdMS - elapsed;
this._additionalRefreshRequested = true;
this._refreshTimeoutID = window.setTimeout(() => {
this._lastRefreshMs = Date.now();
this._innerRefresh();
this._additionalRefreshRequested = false;
this._refreshTimeoutID = undefined; // No longer need to clear the timeout
}, waitPeriodBeforeTrailingRefresh);
}
}
private _innerRefresh(): void {
// Make sure values are set
if (this._rowStart === undefined || this._rowEnd === undefined || this._rowCount === undefined) {
return;
}
// Clamp values
const start = Math.max(this._rowStart, 0);
const end = Math.min(this._rowEnd, this._rowCount - 1);
// Reset debouncer (this happens before render callback as the render could trigger it again)
this._rowStart = undefined;
this._rowEnd = undefined;
// Run render callback
this._renderCallback(start, end);
}
}
+4
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@@ -309,3 +309,7 @@ export interface ICharacterJoiner {
id: number;
handler: CharacterJoinerHandler;
}
export interface IRenderDebouncer extends IDisposable {
refresh(rowStart: number | undefined, rowEnd: number | undefined, rowCount: number): void;
}
+32 -11
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@@ -3,14 +3,14 @@
* @license MIT
*/
import { Terminal as ITerminalApi, ITerminalOptions, IMarker, IDisposable, ILinkMatcherOptions, ITheme, ILocalizableStrings, ITerminalAddon, ISelectionPosition, IBufferNamespace as IBufferNamespaceApi, IParser, ILinkProvider, IUnicodeHandling, FontWeight } from 'xterm';
import { Terminal as ITerminalApi, ITerminalOptions, IMarker, IDisposable, ILinkMatcherOptions, ITheme, ILocalizableStrings, ITerminalAddon, ISelectionPosition, IBufferNamespace as IBufferNamespaceApi, IParser, ILinkProvider, IUnicodeHandling, FontWeight, IModes } from 'xterm';
import { ITerminal } from 'browser/Types';
import { Terminal as TerminalCore } from '../Terminal';
import * as Strings from '../LocalizableStrings';
import { Terminal as TerminalCore } from 'browser/Terminal';
import * as Strings from 'browser/LocalizableStrings';
import { IEvent } from 'common/EventEmitter';
import { ParserApi } from 'common/public/ParserApi';
import { UnicodeApi } from 'common/public/UnicodeApi';
import { AddonManager } from './AddonManager';
import { AddonManager } from 'common/public/AddonManager';
import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
export class Terminal implements ITerminalApi {
@@ -30,17 +30,17 @@ export class Terminal implements ITerminalApi {
}
}
public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }
public get onData(): IEvent<string> { return this._core.onData; }
public get onBinary(): IEvent<string> { return this._core.onBinary; }
public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
public get onBell(): IEvent<void> { return this._core.onBell; }
public get onScroll(): IEvent<number> { return this._core.onScroll; }
public get onBinary(): IEvent<string> { return this._core.onBinary; }
public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
public get onData(): IEvent<string> { return this._core.onData; }
public get onKey(): IEvent<{ key: string, domEvent: KeyboardEvent }> { return this._core.onKey; }
public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
public get onRender(): IEvent<{ start: number, end: number }> { return this._core.onRender; }
public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }
public get onScroll(): IEvent<number> { return this._core.onScroll; }
public get onSelectionChange(): IEvent<void> { return this._core.onSelectionChange; }
public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
public get element(): HTMLElement | undefined { return this._core.element; }
public get parser(): IParser {
@@ -68,6 +68,27 @@ export class Terminal implements ITerminalApi {
this._checkProposedApi();
return this._core.markers;
}
public get modes(): IModes {
const m = this._core.coreService.decPrivateModes;
let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';
switch (this._core.coreMouseService.activeProtocol) {
case 'X10': mouseTrackingMode = 'x10'; break;
case 'VT200': mouseTrackingMode = 'vt200'; break;
case 'DRAG': mouseTrackingMode = 'drag'; break;
case 'ANY': mouseTrackingMode = 'any'; break;
}
return {
applicationCursorKeysMode: m.applicationCursorKeys,
applicationKeypadMode: m.applicationKeypad,
bracketedPasteMode: m.bracketedPasteMode,
insertMode: this._core.coreService.modes.insertMode,
mouseTrackingMode: mouseTrackingMode,
originMode: m.origin,
reverseWraparoundMode: m.reverseWraparound,
sendFocusMode: m.sendFocus,
wraparoundMode: m.wraparound
};
}
public blur(): void {
this._core.blur();
}
+30 -8
View File
@@ -17,6 +17,7 @@ import { IBufferService, IOptionsService } from 'common/services/Services';
import { throwIfFalsy } from 'browser/renderer/RendererUtils';
import { channels, color, rgba } from 'browser/Color';
import { removeElementFromParent } from 'browser/Dom';
import { tryDrawCustomChar } from 'browser/renderer/CustomGlyphs';
export abstract class BaseRenderLayer implements IRenderLayer {
private _canvas: HTMLCanvasElement;
@@ -259,10 +260,20 @@ export abstract class BaseRenderLayer implements IRenderLayer {
this._ctx.font = this._getFont(false, false);
this._ctx.textBaseline = 'ideographic';
this._clipRow(y);
this._ctx.fillText(
cell.getChars(),
x * this._scaledCellWidth + this._scaledCharLeft,
y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight);
// Draw custom characters if applicable
let drawSuccess = false;
if (this._optionsService.options.customGlyphs !== false) {
drawSuccess = tryDrawCustomChar(this._ctx, cell.getChars(), x * this._scaledCellWidth, y * this._scaledCellHeight, this._scaledCellWidth, this._scaledCellHeight);
}
// Draw the character
if (!drawSuccess) {
this._ctx.fillText(
cell.getChars(),
x * this._scaledCellWidth + this._scaledCharLeft,
y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight);
}
}
/**
@@ -373,14 +384,25 @@ export abstract class BaseRenderLayer implements IRenderLayer {
if (cell.isDim()) {
this._ctx.globalAlpha = DIM_OPACITY;
}
// Draw custom characters if applicable
let drawSuccess = false;
if (this._optionsService.options.customGlyphs !== false) {
drawSuccess = tryDrawCustomChar(this._ctx, cell.getChars(), x * this._scaledCellWidth, y * this._scaledCellHeight, this._scaledCellWidth, this._scaledCellHeight);
}
// Draw the character
this._ctx.fillText(
cell.getChars(),
x * this._scaledCellWidth + this._scaledCharLeft,
y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight);
if (!drawSuccess) {
this._ctx.fillText(
cell.getChars(),
x * this._scaledCellWidth + this._scaledCharLeft,
y * this._scaledCellHeight + this._scaledCharTop + this._scaledCharHeight);
}
this._ctx.restore();
}
/**
* Clips a row to ensure no pixels will be drawn outside the cells in the row.
* @param y The row to clip.
@@ -58,6 +58,14 @@ export class CursorRenderLayer extends BaseRenderLayer {
// TODO: Consider initial options? Maybe onOptionsChanged should be called at the end of open?
}
public dispose(): void {
if (this._cursorBlinkStateManager) {
this._cursorBlinkStateManager.dispose();
this._cursorBlinkStateManager = undefined;
}
super.dispose();
}
public resize(dim: IRenderDimensions): void {
super.resize(dim);
// Resizing the canvas discards the contents of the canvas so clear state
+563
View File
@@ -0,0 +1,563 @@
/**
* Copyright (c) 2021 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { throwIfFalsy } from 'browser/renderer/RendererUtils';
interface IBlockVector {
x: number;
y: number;
w: number;
h: number;
}
export const blockElementDefinitions: { [index: string]: IBlockVector[] | undefined } = {
// Block elements (0x2580-0x2590)
'▀': [{ x: 0, y: 0, w: 8, h: 4 }], // UPPER HALF BLOCK
'▁': [{ x: 0, y: 7, w: 8, h: 1 }], // LOWER ONE EIGHTH BLOCK
'▂': [{ x: 0, y: 6, w: 8, h: 2 }], // LOWER ONE QUARTER BLOCK
'▃': [{ x: 0, y: 5, w: 8, h: 3 }], // LOWER THREE EIGHTHS BLOCK
'▄': [{ x: 0, y: 4, w: 8, h: 4 }], // LOWER HALF BLOCK
'▅': [{ x: 0, y: 3, w: 8, h: 5 }], // LOWER FIVE EIGHTHS BLOCK
'▆': [{ x: 0, y: 2, w: 8, h: 6 }], // LOWER THREE QUARTERS BLOCK
'▇': [{ x: 0, y: 1, w: 8, h: 7 }], // LOWER SEVEN EIGHTHS BLOCK
'█': [{ x: 0, y: 0, w: 8, h: 8 }], // FULL BLOCK
'▉': [{ x: 0, y: 0, w: 7, h: 8 }], // LEFT SEVEN EIGHTHS BLOCK
'▊': [{ x: 0, y: 0, w: 6, h: 8 }], // LEFT THREE QUARTERS BLOCK
'▋': [{ x: 0, y: 0, w: 5, h: 8 }], // LEFT FIVE EIGHTHS BLOCK
'▌': [{ x: 0, y: 0, w: 4, h: 8 }], // LEFT HALF BLOCK
'▍': [{ x: 0, y: 0, w: 3, h: 8 }], // LEFT THREE EIGHTHS BLOCK
'▎': [{ x: 0, y: 0, w: 2, h: 8 }], // LEFT ONE QUARTER BLOCK
'▏': [{ x: 0, y: 0, w: 1, h: 8 }], // LEFT ONE EIGHTH BLOCK
'▐': [{ x: 4, y: 0, w: 4, h: 8 }], // RIGHT HALF BLOCK
// Block elements (0x2594-0x2595)
'▔': [{ x: 0, y: 0, w: 9, h: 1 }], // UPPER ONE EIGHTH BLOCK
'▕': [{ x: 7, y: 0, w: 1, h: 8 }], // RIGHT ONE EIGHTH BLOCK
// Terminal graphic characters (0x2596-0x259F)
'▖': [{ x: 0, y: 4, w: 4, h: 4 }], // QUADRANT LOWER LEFT
'▗': [{ x: 4, y: 4, w: 4, h: 4 }], // QUADRANT LOWER RIGHT
'▘': [{ x: 0, y: 0, w: 4, h: 4 }], // QUADRANT UPPER LEFT
'▙': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
'▚': [{ x: 0, y: 0, w: 4, h: 4 }, { x: 4, y: 4, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND LOWER RIGHT
'▛': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 0, y: 0, w: 4, h: 8 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
'▜': [{ x: 0, y: 0, w: 8, h: 4 }, { x: 4, y: 0, w: 4, h: 8 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
'▝': [{ x: 4, y: 0, w: 4, h: 4 }], // QUADRANT UPPER RIGHT
'▞': [{ x: 4, y: 0, w: 4, h: 4 }, { x: 0, y: 4, w: 4, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT
'▟': [{ x: 4, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT
// VERTICAL ONE EIGHTH BLOCK-2 through VERTICAL ONE EIGHTH BLOCK-7
'\u{1FB70}': [{ x: 1, y: 0, w: 1, h: 8 }],
'\u{1FB71}': [{ x: 2, y: 0, w: 1, h: 8 }],
'\u{1FB72}': [{ x: 3, y: 0, w: 1, h: 8 }],
'\u{1FB73}': [{ x: 4, y: 0, w: 1, h: 8 }],
'\u{1FB74}': [{ x: 5, y: 0, w: 1, h: 8 }],
'\u{1FB75}': [{ x: 6, y: 0, w: 1, h: 8 }],
// HORIZONTAL ONE EIGHTH BLOCK-2 through HORIZONTAL ONE EIGHTH BLOCK-7
'\u{1FB76}': [{ x: 0, y: 1, w: 8, h: 1 }],
'\u{1FB77}': [{ x: 0, y: 2, w: 8, h: 1 }],
'\u{1FB78}': [{ x: 0, y: 3, w: 8, h: 1 }],
'\u{1FB79}': [{ x: 0, y: 4, w: 8, h: 1 }],
'\u{1FB7A}': [{ x: 0, y: 5, w: 8, h: 1 }],
'\u{1FB7B}': [{ x: 0, y: 6, w: 8, h: 1 }],
// LEFT AND LOWER ONE EIGHTH BLOCK
'\u{1FB7C}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
// LEFT AND UPPER ONE EIGHTH BLOCK
'\u{1FB7D}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
// RIGHT AND UPPER ONE EIGHTH BLOCK
'\u{1FB7E}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
// RIGHT AND LOWER ONE EIGHTH BLOCK
'\u{1FB7F}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
// UPPER AND LOWER ONE EIGHTH BLOCK
'\u{1FB80}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
// HORIZONTAL ONE EIGHTH BLOCK-1358
'\u{1FB81}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 2, w: 8, h: 1 }, { x: 0, y: 4, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
// UPPER ONE QUARTER BLOCK
'\u{1FB82}': [{ x: 0, y: 0, w: 8, h: 2 }],
// UPPER THREE EIGHTHS BLOCK
'\u{1FB83}': [{ x: 0, y: 0, w: 8, h: 3 }],
// UPPER FIVE EIGHTHS BLOCK
'\u{1FB84}': [{ x: 0, y: 0, w: 8, h: 5 }],
// UPPER THREE QUARTERS BLOCK
'\u{1FB85}': [{ x: 0, y: 0, w: 8, h: 6 }],
// UPPER SEVEN EIGHTHS BLOCK
'\u{1FB86}': [{ x: 0, y: 0, w: 8, h: 7 }],
// RIGHT ONE QUARTER BLOCK
'\u{1FB87}': [{ x: 6, y: 0, w: 2, h: 8 }],
// RIGHT THREE EIGHTHS B0OCK
'\u{1FB88}': [{ x: 5, y: 0, w: 3, h: 8 }],
// RIGHT FIVE EIGHTHS BL0CK
'\u{1FB89}': [{ x: 3, y: 0, w: 5, h: 8 }],
// RIGHT THREE QUARTERS 0LOCK
'\u{1FB8A}': [{ x: 2, y: 0, w: 6, h: 8 }],
// RIGHT SEVEN EIGHTHS B0OCK
'\u{1FB8B}': [{ x: 1, y: 0, w: 7, h: 8 }],
// CHECKER BOARD FILL
'\u{1FB95}': [
{ x: 0, y: 0, w: 2, h: 2 }, { x: 4, y: 0, w: 2, h: 2 },
{ x: 2, y: 2, w: 2, h: 2 }, { x: 6, y: 2, w: 2, h: 2 },
{ x: 0, y: 4, w: 2, h: 2 }, { x: 4, y: 4, w: 2, h: 2 },
{ x: 2, y: 6, w: 2, h: 2 }, { x: 6, y: 6, w: 2, h: 2 }
],
// INVERSE CHECKER BOARD FILL
'\u{1FB96}': [
{ x: 2, y: 0, w: 2, h: 2 }, { x: 6, y: 0, w: 2, h: 2 },
{ x: 0, y: 2, w: 2, h: 2 }, { x: 4, y: 2, w: 2, h: 2 },
{ x: 2, y: 4, w: 2, h: 2 }, { x: 6, y: 4, w: 2, h: 2 },
{ x: 0, y: 6, w: 2, h: 2 }, { x: 4, y: 6, w: 2, h: 2 }
],
// HEAVY HORIZONTAL FILL (upper middle and lower one quarter block)
'\u{1FB97}': [{ x: 0, y: 2, w: 8, h: 2 }, { x: 0, y: 6, w: 8, h: 2 }]
};
type PatternDefinition = number[][];
/**
* Defines the repeating pattern used by special characters, the pattern is made up of a 2d array of
* pixel values to be filled (1) or not filled (0).
*/
const patternCharacterDefinitions: { [key: string]: PatternDefinition | undefined } = {
// Shade characters (0x2591-0x2593)
'░': [ // LIGHT SHADE (25%)
[1, 0, 0, 0],
[0, 0, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 0]
],
'▒': [ // MEDIUM SHADE (50%)
[1, 0],
[0, 0],
[0, 1],
[0, 0]
],
'▓': [ // DARK SHADE (75%)
[0, 1],
[1, 1],
[1, 0],
[1, 1]
]
};
const enum Shapes {
/** │ */ TOP_TO_BOTTOM = 'M.5,0 L.5,1',
/** ─ */ LEFT_TO_RIGHT = 'M0,.5 L1,.5',
/** └ */ TOP_TO_RIGHT = 'M.5,0 L.5,.5 L1,.5',
/** ┘ */ TOP_TO_LEFT = 'M.5,0 L.5,.5 L0,.5',
/** ┐ */ LEFT_TO_BOTTOM = 'M0,.5 L.5,.5 L.5,1',
/** ┌ */ RIGHT_TO_BOTTOM = 'M0.5,1 L.5,.5 L1,.5',
/** ╵ */ MIDDLE_TO_TOP = 'M.5,.5 L.5,0',
/** ╴ */ MIDDLE_TO_LEFT = 'M.5,.5 L0,.5',
/** ╶ */ MIDDLE_TO_RIGHT = 'M.5,.5 L1,.5',
/** ╷ */ MIDDLE_TO_BOTTOM = 'M.5,.5 L.5,1',
/** ┴ */ T_TOP = 'M0,.5 L1,.5 M.5,.5 L.5,0',
/** ┤ */ T_LEFT = 'M.5,0 L.5,1 M.5,.5 L0,.5',
/** ├ */ T_RIGHT = 'M.5,0 L.5,1 M.5,.5 L1,.5',
/** ┬ */ T_BOTTOM = 'M0,.5 L1,.5 M.5,.5 L.5,1',
/** ┼ */ CROSS = 'M0,.5 L1,.5 M.5,0 L.5,1',
/** ╌ */ TWO_DASHES_HORIZONTAL = 'M.1,.5 L.4,.5 M.6,.5 L.9,.5', // .2 empty, .3 filled
/** ┄ */ THREE_DASHES_HORIZONTAL = 'M.0667,.5 L.2667,.5 M.4,.5 L.6,.5 M.7333,.5 L.9333,.5', // .1333 empty, .2 filled
/** ┉ */ FOUR_DASHES_HORIZONTAL = 'M.05,.5 L.2,.5 M.3,.5 L.45,.5 M.55,.5 L.7,.5 M.8,.5 L.95,.5', // .1 empty, .15 filled
/** ╎ */ TWO_DASHES_VERTICAL = 'M.5,.1 L.5,.4 M.5,.6 L.5,.9',
/** ┆ */ THREE_DASHES_VERTICAL = 'M.5,.0667 L.5,.2667 M.5,.4 L.5,.6 M.5,.7333 L.5,.9333',
/** ┊ */ FOUR_DASHES_VERTICAL = 'M.5,.05 L.5,.2 M.5,.3 L.5,.45 L.5,.55 M.5,.7 L.5,.95',
}
const enum Style {
NORMAL = 1,
BOLD = 3
}
/**
* This contains the definitions of all box drawing characters in the format of SVG paths (ie. the
* svg d attribute).
*/
export const boxDrawingDefinitions: { [character: string]: { [fontWeight: number]: string | ((xp: number, yp: number) => string) } | undefined } = {
// Uniform normal and bold
'─': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT },
'━': { [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
'│': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM },
'┃': { [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
'┌': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM },
'┏': { [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
'┐': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM },
'┓': { [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
'└': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT },
'┗': { [Style.BOLD]: Shapes.TOP_TO_RIGHT },
'┘': { [Style.NORMAL]: Shapes.TOP_TO_LEFT },
'┛': { [Style.BOLD]: Shapes.TOP_TO_LEFT },
'├': { [Style.NORMAL]: Shapes.T_RIGHT },
'┣': { [Style.BOLD]: Shapes.T_RIGHT },
'┤': { [Style.NORMAL]: Shapes.T_LEFT },
'┫': { [Style.BOLD]: Shapes.T_LEFT },
'┬': { [Style.NORMAL]: Shapes.T_BOTTOM },
'┳': { [Style.BOLD]: Shapes.T_BOTTOM },
'┴': { [Style.NORMAL]: Shapes.T_TOP },
'┻': { [Style.BOLD]: Shapes.T_TOP },
'┼': { [Style.NORMAL]: Shapes.CROSS },
'╋': { [Style.BOLD]: Shapes.CROSS },
'╴': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT },
'╸': { [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'╵': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP },
'╹': { [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'╶': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT },
'╺': { [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'╷': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM },
'╻': { [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
// Double border
'═': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
'║': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
'╒': { [Style.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
'╓': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},1 L${.5 - xp},.5 L1,.5 M${.5 + xp},.5 L${.5 + xp},1` },
'╔': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
'╕': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L.5,${.5 - yp} L.5,1 M0,${.5 + yp} L.5,${.5 + yp}` },
'╖': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},1 L${.5 + xp},.5 L0,.5 M${.5 - xp},.5 L${.5 - xp},1` },
'╗': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},1` },
'╘': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 + yp} L1,${.5 + yp} M.5,${.5 - yp} L1,${.5 - yp}` },
'╙': { [Style.NORMAL]: (xp, yp) => `M1,.5 L${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
'╚': { [Style.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0 M1,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},0` },
'╛': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L.5,${.5 + yp} L.5,0 M0,${.5 - yp} L.5,${.5 - yp}` },
'╜': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 + xp},.5 L${.5 + xp},0 M${.5 - xp},.5 L${.5 - xp},0` },
'╝': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M0,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},0` },
'╞': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
'╟': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1 M${.5 + xp},.5 L1,.5` },
'╠': { [Style.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
'╡': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L.5,${.5 - yp} M0,${.5 + yp} L.5,${.5 + yp}` },
'╢': { [Style.NORMAL]: (xp, yp) => `M0,.5 L${.5 - xp},.5 M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
'╣': { [Style.NORMAL]: (xp, yp) => `M${.5 + xp},0 L${.5 + xp},1 M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0` },
'╤': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp} M.5,${.5 + yp} L.5,1` },
'╥': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},1 M${.5 + xp},.5 L${.5 + xp},1` },
'╦': { [Style.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
'╧': { [Style.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - yp} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
'╨': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
'╩': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L1,${.5 + yp} M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
'╪': { [Style.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
'╫': { [Style.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
'╬': { [Style.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
// Diagonal
'╱': { [Style.NORMAL]: 'M1,0 L0,1' },
'╲': { [Style.NORMAL]: 'M0,0 L1,1' },
'╳': { [Style.NORMAL]: 'M1,0 L0,1 M0,0 L1,1' },
// Mixed weight
'╼': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'╽': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'╾': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'╿': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┍': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┎': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'┑': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┒': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'┕': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┖': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┙': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┚': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┝': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┞': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┟': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'┠': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
'┡': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.TOP_TO_RIGHT },
'┢': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
'┥': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┦': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┧': { [Style.NORMAL]: Shapes.TOP_TO_LEFT, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'┨': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
'┩': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.TOP_TO_LEFT },
'┪': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
'┭': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┮': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┯': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
'┰': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'┱': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
'┲': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
'┵': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┶': { [Style.NORMAL]: Shapes.TOP_TO_LEFT, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┷': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
'┸': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'┹': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: Shapes.TOP_TO_LEFT },
'┺': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: Shapes.TOP_TO_RIGHT },
'┽': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}`, [Style.BOLD]: Shapes.MIDDLE_TO_LEFT },
'┾': { [Style.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}`, [Style.BOLD]: Shapes.MIDDLE_TO_RIGHT },
'┿': { [Style.NORMAL]: Shapes.TOP_TO_BOTTOM, [Style.BOLD]: Shapes.LEFT_TO_RIGHT },
'╀': { [Style.NORMAL]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}`, [Style.BOLD]: Shapes.MIDDLE_TO_TOP },
'╁': { [Style.NORMAL]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}`, [Style.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
'╂': { [Style.NORMAL]: Shapes.LEFT_TO_RIGHT, [Style.BOLD]: Shapes.TOP_TO_BOTTOM },
'╃': { [Style.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [Style.BOLD]: Shapes.TOP_TO_LEFT },
'╄': { [Style.NORMAL]: Shapes.LEFT_TO_BOTTOM, [Style.BOLD]: Shapes.TOP_TO_RIGHT },
'╅': { [Style.NORMAL]: Shapes.TOP_TO_RIGHT, [Style.BOLD]: Shapes.LEFT_TO_BOTTOM },
'╆': { [Style.NORMAL]: Shapes.TOP_TO_LEFT, [Style.BOLD]: Shapes.RIGHT_TO_BOTTOM },
'╇': { [Style.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [Style.BOLD]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}` },
'╈': { [Style.NORMAL]: Shapes.MIDDLE_TO_TOP, [Style.BOLD]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}` },
'╉': { [Style.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}` },
'╊': { [Style.NORMAL]: Shapes.MIDDLE_TO_LEFT, [Style.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}` },
// Dashed
'╌': { [Style.NORMAL]: Shapes.TWO_DASHES_HORIZONTAL },
'╍': { [Style.BOLD]: Shapes.TWO_DASHES_HORIZONTAL },
'┄': { [Style.NORMAL]: Shapes.THREE_DASHES_HORIZONTAL },
'┅': { [Style.BOLD]: Shapes.THREE_DASHES_HORIZONTAL },
'┈': { [Style.NORMAL]: Shapes.FOUR_DASHES_HORIZONTAL },
'┉': { [Style.BOLD]: Shapes.FOUR_DASHES_HORIZONTAL },
'╎': { [Style.NORMAL]: Shapes.TWO_DASHES_VERTICAL },
'╏': { [Style.BOLD]: Shapes.TWO_DASHES_VERTICAL },
'┆': { [Style.NORMAL]: Shapes.THREE_DASHES_VERTICAL },
'┇': { [Style.BOLD]: Shapes.THREE_DASHES_VERTICAL },
'┊': { [Style.NORMAL]: Shapes.FOUR_DASHES_VERTICAL },
'┋': { [Style.BOLD]: Shapes.FOUR_DASHES_VERTICAL },
// Curved
'╭': { [Style.NORMAL]: 'C.5,1,.5,.5,1,.5' },
'╮': { [Style.NORMAL]: 'C.5,1,.5,.5,0,.5' },
'╯': { [Style.NORMAL]: 'C.5,0,.5,.5,0,.5' },
'╰': { [Style.NORMAL]: 'C.5,0,.5,.5,1,.5' }
};
/**
* Try drawing a custom block element or box drawing character, returning whether it was
* successfully drawn.
*/
export function tryDrawCustomChar(
ctx: CanvasRenderingContext2D,
c: string,
xOffset: number,
yOffset: number,
scaledCellWidth: number,
scaledCellHeight: number
): boolean {
const blockElementDefinition = blockElementDefinitions[c];
if (blockElementDefinition) {
drawBlockElementChar(ctx, blockElementDefinition, xOffset, yOffset, scaledCellWidth, scaledCellHeight);
return true;
}
const patternDefinition = patternCharacterDefinitions[c];
if (patternDefinition) {
drawPatternChar(ctx, patternDefinition, xOffset, yOffset, scaledCellWidth, scaledCellHeight);
return true;
}
const boxDrawingDefinition = boxDrawingDefinitions[c];
if (boxDrawingDefinition) {
drawBoxDrawingChar(ctx, boxDrawingDefinition, xOffset, yOffset, scaledCellWidth, scaledCellHeight);
return true;
}
return false;
}
function drawBlockElementChar(
ctx: CanvasRenderingContext2D,
charDefinition: IBlockVector[],
xOffset: number,
yOffset: number,
scaledCellWidth: number,
scaledCellHeight: number
): void {
for (let i = 0; i < charDefinition.length; i++) {
const box = charDefinition[i];
const xEighth = scaledCellWidth / 8;
const yEighth = scaledCellHeight / 8;
ctx.fillRect(
xOffset + box.x * xEighth,
yOffset + box.y * yEighth,
box.w * xEighth,
box.h * yEighth
);
}
}
const cachedPatterns: Map<PatternDefinition, Map</* fillStyle */string, CanvasPattern>> = new Map();
function drawPatternChar(
ctx: CanvasRenderingContext2D,
charDefinition: number[][],
xOffset: number,
yOffset: number,
scaledCellWidth: number,
scaledCellHeight: number
): void {
let patternSet = cachedPatterns.get(charDefinition);
if (!patternSet) {
patternSet = new Map();
cachedPatterns.set(charDefinition, patternSet);
}
const fillStyle = ctx.fillStyle;
if (typeof fillStyle !== 'string') {
throw new Error(`Unexpected fillStyle type "${fillStyle}"`);
}
let pattern = patternSet.get(fillStyle);
if (!pattern) {
const width = charDefinition[0].length;
const height = charDefinition.length;
const tmpCanvas = document.createElement('canvas');
tmpCanvas.width = width;
tmpCanvas.height = height;
const tmpCtx = throwIfFalsy(tmpCanvas.getContext('2d'));
const imageData = new ImageData(width, height);
// Extract rgba from fillStyle
let r: number;
let g: number;
let b: number;
let a: number;
if (fillStyle.startsWith('#')) {
r = parseInt(fillStyle.substr(1, 2), 16);
g = parseInt(fillStyle.substr(3, 2), 16);
b = parseInt(fillStyle.substr(5, 2), 16);
a = fillStyle.length > 7 && parseInt(fillStyle.substr(7, 2), 16) || 1;
} else if (fillStyle.startsWith('rgba')) {
([r, g, b, a] = fillStyle.substring(5, fillStyle.length - 1).split(',').map(e => parseFloat(e)));
} else {
throw new Error(`Unexpected fillStyle color format "${fillStyle}" when drawing pattern glyph`);
}
for (let y = 0; y < height; y++) {
for (let x = 0; x < width; x++) {
imageData.data[(y * width + x) * 4 ] = r;
imageData.data[(y * width + x) * 4 + 1] = g;
imageData.data[(y * width + x) * 4 + 2] = b;
imageData.data[(y * width + x) * 4 + 3] = charDefinition[y][x] * (a * 255);
}
}
tmpCtx.putImageData(imageData, 0, 0);
pattern = throwIfFalsy(ctx.createPattern(tmpCanvas, null));
patternSet.set(fillStyle, pattern);
}
ctx.fillStyle = pattern;
ctx.fillRect(xOffset, yOffset, scaledCellWidth, scaledCellHeight);
}
/**
* Draws the following box drawing characters by mapping a subset of SVG d attribute instructions to
* canvas draw calls.
*
* Box styles: ┎┰┒┍┯┑╓╥╖╒╤╕ ┏┳┓┌┲┓┌┬┐┏┱┐
* ┌─┬─┐ ┏━┳━┓ ╔═╦═╗ ┠╂┨┝┿┥╟╫╢╞╪╡ ┡╇┩├╊┫┢╈┪┣╉┤
* │ │ │ ┃ ┃ ┃ ║ ║ ║ ┖┸┚┕┷┙╙╨╜╘╧╛ └┴┘└┺┛┗┻┛┗┹┘
* ├─┼─┤ ┣━╋━┫ ╠═╬═╣ ┏┱┐┌┲┓┌┬┐┌┬┐ ┏┳┓┌┮┓┌┬┐┏┭┐
* │ │ │ ┃ ┃ ┃ ║ ║ ║ ┡╃┤├╄┩├╆┪┢╅┤ ┞╀┦├┾┫┟╁┧┣┽┤
* └─┴─┘ ┗━┻━┛ ╚═╩═╝ └┴┘└┴┘└┺┛┗┹┘ └┴┘└┶┛┗┻┛┗┵┘
*
* Other:
* ╭─╮ ╲ ╱ ╷╻╎╏┆┇┊┋ ╺╾╴ ╌╌╌ ┄┄┄ ┈┈┈
* │ │ ╳ ╽╿╎╏┆┇┊┋ ╶╼╸ ╍╍╍ ┅┅┅ ┉┉┉
* ╰─╯ ╱ ╲ ╹╵╎╏┆┇┊┋
*
* All box drawing characters:
* ─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏
* ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟
* ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯
* ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿
* ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏
* ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟
* ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯
* ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿
*
* ---
*
* Box drawing alignment tests: █
* ▉
* ╔══╦══╗ ┌──┬──┐ ╭──┬──╮ ╭──┬──╮ ┏━━┳━━┓ ┎┒┏┑ ╷ ╻ ┏┯┓ ┌┰┐ ▊ ╱╲╱╲╳╳╳
* ║┌─╨─┐║ │╔═╧═╗│ │╒═╪═╕│ │╓─╁─╖│ ┃┌─╂─┐┃ ┗╃╄┙ ╶┼╴╺╋╸┠┼┨ ┝╋┥ ▋ ╲╱╲╱╳╳╳
* ║│╲ ╱│║ │║ ║│ ││ │ ││ │║ ┃ ║│ ┃│ ╿ │┃ ┍╅╆┓ ╵ ╹ ┗┷┛ └┸┘ ▌ ╱╲╱╲╳╳╳
* ╠╡ ╳ ╞╣ ├╢ ╟┤ ├┼─┼─┼┤ ├╫─╂─╫┤ ┣┿╾┼╼┿┫ ┕┛┖┚ ┌┄┄┐ ╎ ┏┅┅┓ ┋ ▍ ╲╱╲╱╳╳╳
* ║│╱ ╲│║ │║ ║│ ││ │ ││ │║ ┃ ║│ ┃│ ╽ │┃ ░░▒▒▓▓██ ┊ ┆ ╎ ╏ ┇ ┋ ▎
* ║└─╥─┘║ │╚═╤═╝│ │╘═╪═╛│ │╙─╀─╜│ ┃└─╂─┘┃ ░░▒▒▓▓██ ┊ ┆ ╎ ╏ ┇ ┋ ▏
* ╚══╩══╝ └──┴──┘ ╰──┴──╯ ╰──┴──╯ ┗━━┻━━┛ └╌╌┘ ╎ ┗╍╍┛ ┋ ▁▂▃▄▅▆▇█
*
* Source: https://www.w3.org/2001/06/utf-8-test/UTF-8-demo.html
*/
function drawBoxDrawingChar(
ctx: CanvasRenderingContext2D,
charDefinition: { [fontWeight: number]: string | ((xp: number, yp: number) => string) },
xOffset: number,
yOffset: number,
scaledCellWidth: number,
scaledCellHeight: number
): void {
ctx.strokeStyle = ctx.fillStyle;
for (const [fontWeight, instructions] of Object.entries(charDefinition)) {
ctx.beginPath();
ctx.lineWidth = window.devicePixelRatio * Number.parseInt(fontWeight);
let actualInstructions: string;
if (typeof instructions === 'function') {
const xp = .15;
const yp = .15 / scaledCellHeight * scaledCellWidth;
actualInstructions = instructions(xp, yp);
} else {
actualInstructions = instructions;
}
for (const instruction of actualInstructions.split(' ')) {
const type = instruction[0];
const f = svgToCanvasInstructionMap[type];
if (!f) {
console.error(`Could not find drawing instructions for "${type}"`);
continue;
}
const args: string[] = instruction.substring(1).split(',');
if (!args[0] || !args[1]) {
continue;
}
f(ctx, translateArgs(args, scaledCellWidth, scaledCellHeight, xOffset, yOffset));
}
ctx.stroke();
ctx.closePath();
}
}
function clamp(value: number, max: number, min: number = 0): number {
return Math.max(Math.min(value, max), min);
}
const svgToCanvasInstructionMap: { [index: string]: any } = {
'C': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.bezierCurveTo(args[0], args[1], args[2], args[3], args[4], args[5]),
'L': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.lineTo(args[0], args[1]),
'M': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.moveTo(args[0], args[1])
};
function translateArgs(args: string[], cellWidth: number, cellHeight: number, xOffset: number, yOffset: number): number[] {
const result = args.map(e => parseFloat(e) || parseInt(e));
if (result.length < 2) {
throw new Error('Too few arguments for instruction');
}
for (let x = 0; x < result.length; x += 2) {
// Translate from 0-1 to 0-cellWidth
result[x] *= cellWidth;
// Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
// line at 100% devicePixelRatio
if (result[x] !== 0) {
result[x] = clamp(Math.round(result[x] + 0.5) - 0.5, cellWidth, 0);
}
// Apply the cell's offset (ie. x*cellWidth)
result[x] += xOffset;
}
for (let y = 1; y < result.length; y += 2) {
// Translate from 0-1 to 0-cellHeight
result[y] *= cellHeight;
// Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
// line at 100% devicePixelRatio
if (result[y] !== 0) {
result[y] = clamp(Math.round(result[y] + 0.5) - 0.5, cellHeight, 0);
}
// Apply the cell's offset (ie. x*cellHeight)
result[y] += yOffset;
}
return result;
}
+22 -2
View File
@@ -266,11 +266,10 @@ export class DynamicCharAtlas extends BaseCharAtlas {
}
// Draw the character
this._tmpCtx.fillText(glyph.chars, 0, this._config.scaledCharHeight);
this._tmpCtx.restore();
// clear the background from the character to avoid issues with drawing over the previous
// character if it extends past it's bounds
const imageData = this._tmpCtx.getImageData(
let imageData = this._tmpCtx.getImageData(
0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight
);
let isEmpty = false;
@@ -278,6 +277,27 @@ export class DynamicCharAtlas extends BaseCharAtlas {
isEmpty = clearColor(imageData, backgroundColor);
}
// If this charcater is underscore and empty, shift it up until it is visible, try for a maximum
// of 5 pixels.
if (isEmpty && glyph.chars === '_' && !this._config.allowTransparency) {
for (let offset = 1; offset <= 5; offset++) {
// Draw the character
this._tmpCtx.fillText(glyph.chars, 0, this._config.scaledCharHeight - offset);
// clear the background from the character to avoid issues with drawing over the previous
// character if it extends past it's bounds
imageData = this._tmpCtx.getImageData(
0, 0, this._config.scaledCharWidth, this._config.scaledCharHeight
);
isEmpty = clearColor(imageData, backgroundColor);
if (!isEmpty) {
break;
}
}
}
this._tmpCtx.restore();
// copy the data from imageData to _cacheCanvas
const x = this._toCoordinateX(index);
const y = this._toCoordinateY(index);
+2 -2
View File
@@ -9,7 +9,7 @@ import { EventEmitter, IEvent } from 'common/EventEmitter';
import { Disposable } from 'common/Lifecycle';
import { ScreenDprMonitor } from 'browser/ScreenDprMonitor';
import { addDisposableDomListener } from 'browser/Lifecycle';
import { IColorSet } from 'browser/Types';
import { IColorSet, IRenderDebouncer } from 'browser/Types';
import { IOptionsService, IBufferService } from 'common/services/Services';
import { ICharSizeService, IRenderService } from 'browser/services/Services';
@@ -22,7 +22,7 @@ interface ISelectionState {
export class RenderService extends Disposable implements IRenderService {
public serviceBrand: undefined;
private _renderDebouncer: RenderDebouncer;
private _renderDebouncer: IRenderDebouncer;
private _screenDprMonitor: ScreenDprMonitor;
private _isPaused: boolean = false;
+11 -11
View File
@@ -47,11 +47,11 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
protected readonly _instantiationService: IInstantiationService;
protected readonly _bufferService: IBufferService;
protected readonly _logService: ILogService;
protected readonly _coreService: ICoreService;
protected readonly _charsetService: ICharsetService;
protected readonly _coreMouseService: ICoreMouseService;
protected readonly _dirtyRowService: IDirtyRowService;
public readonly coreMouseService: ICoreMouseService;
public readonly coreService: ICoreService;
public readonly unicodeService: IUnicodeService;
public readonly optionsService: IOptionsService;
@@ -100,10 +100,10 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
this._instantiationService.setService(IBufferService, this._bufferService);
this._logService = this._instantiationService.createInstance(LogService);
this._instantiationService.setService(ILogService, this._logService);
this._coreService = this.register(this._instantiationService.createInstance(CoreService, () => this.scrollToBottom()));
this._instantiationService.setService(ICoreService, this._coreService);
this._coreMouseService = this._instantiationService.createInstance(CoreMouseService);
this._instantiationService.setService(ICoreMouseService, this._coreMouseService);
this.coreService = this.register(this._instantiationService.createInstance(CoreService, () => this.scrollToBottom()));
this._instantiationService.setService(ICoreService, this.coreService);
this.coreMouseService = this._instantiationService.createInstance(CoreMouseService);
this._instantiationService.setService(ICoreMouseService, this.coreMouseService);
this._dirtyRowService = this._instantiationService.createInstance(DirtyRowService);
this._instantiationService.setService(IDirtyRowService, this._dirtyRowService);
this.unicodeService = this._instantiationService.createInstance(UnicodeService);
@@ -112,14 +112,14 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
this._instantiationService.setService(ICharsetService, this._charsetService);
// Register input handler and handle/forward events
this._inputHandler = new InputHandler(this._bufferService, this._charsetService, this._coreService, this._dirtyRowService, this._logService, this.optionsService, this._coreMouseService, this.unicodeService);
this._inputHandler = new InputHandler(this._bufferService, this._charsetService, this.coreService, this._dirtyRowService, this._logService, this.optionsService, this.coreMouseService, this.unicodeService);
this.register(forwardEvent(this._inputHandler.onLineFeed, this._onLineFeed));
this.register(this._inputHandler);
// Setup listeners
this.register(forwardEvent(this._bufferService.onResize, this._onResize));
this.register(forwardEvent(this._coreService.onData, this._onData));
this.register(forwardEvent(this._coreService.onBinary, this._onBinary));
this.register(forwardEvent(this.coreService.onData, this._onData));
this.register(forwardEvent(this.coreService.onBinary, this._onBinary));
this.register(this.optionsService.onOptionChange(key => this._updateOptions(key)));
this.register(this._bufferService.onScroll(event => {
this._onScroll.fire({ position: this._bufferService.buffer.ydisp, source: ScrollSource.TERMINAL });
@@ -250,8 +250,8 @@ export abstract class CoreTerminal extends Disposable implements ICoreTerminal {
this._inputHandler.reset();
this._bufferService.reset();
this._charsetService.reset();
this._coreService.reset();
this._coreMouseService.reset();
this.coreService.reset();
this.coreMouseService.reset();
}
protected _updateOptions(key: string): void {
+3 -1
View File
@@ -7,10 +7,12 @@ import { IFunctionIdentifier, ITerminalOptions as IPublicTerminalOptions } from
import { IEvent, IEventEmitter } from 'common/EventEmitter';
import { IDeleteEvent, IInsertEvent } from 'common/CircularList';
import { IParams } from 'common/parser/Types';
import { IOptionsService, IUnicodeService } from 'common/services/Services';
import { ICoreMouseService, ICoreService, IOptionsService, IUnicodeService } from 'common/services/Services';
import { IBufferSet } from 'common/buffer/Types';
export interface ICoreTerminal {
coreMouseService: ICoreMouseService;
coreService: ICoreService;
optionsService: IOptionsService;
unicodeService: IUnicodeService;
buffers: IBufferSet;
+1
View File
@@ -21,6 +21,7 @@ export const DEFAULT_OPTIONS: ITerminalOptions = Object.freeze({
cursorBlink: false,
cursorStyle: 'block',
cursorWidth: 1,
customGlyphs: true,
bellSound: DEFAULT_BELL_SOUND,
bellStyle: 'none',
drawBoldTextInBrightColors: true,
+1
View File
@@ -244,6 +244,7 @@ export interface ITerminalOptions {
cursorBlink: boolean;
cursorStyle: 'block' | 'underline' | 'bar';
cursorWidth: number;
customGlyphs: boolean;
disableStdin: boolean;
drawBoldTextInBrightColors: boolean;
fastScrollModifier: 'alt' | 'ctrl' | 'shift' | undefined;
+170
View File
@@ -0,0 +1,170 @@
/**
* Copyright (c) 2014 The xterm.js authors. All rights reserved.
* Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
* @license MIT
*
* Originally forked from (with the author's permission):
* Fabrice Bellard's javascript vt100 for jslinux:
* http://bellard.org/jslinux/
* Copyright (c) 2011 Fabrice Bellard
* The original design remains. The terminal itself
* has been extended to include xterm CSI codes, among
* other features.
*
* Terminal Emulation References:
* http://vt100.net/
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt
* http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
* http://invisible-island.net/vttest/
* http://www.inwap.com/pdp10/ansicode.txt
* http://linux.die.net/man/4/console_codes
* http://linux.die.net/man/7/urxvt
*/
import { DEFAULT_ATTR_DATA } from 'common/buffer/BufferLine';
import { IBuffer } from 'common/buffer/Types';
import { CoreTerminal } from 'common/CoreTerminal';
import { EventEmitter, forwardEvent, IEvent } from 'common/EventEmitter';
import { ITerminalOptions as IInitializedTerminalOptions } from 'common/services/Services';
import { IMarker, ITerminalOptions, ScrollSource } from 'common/Types';
export class Terminal extends CoreTerminal {
// TODO: We should remove options once components adopt optionsService
public get options(): IInitializedTerminalOptions { return this.optionsService.options; }
private _onBell = new EventEmitter<void>();
public get onBell(): IEvent<void> { return this._onBell.event; }
private _onCursorMove = new EventEmitter<void>();
public get onCursorMove(): IEvent<void> { return this._onCursorMove.event; }
private _onTitleChange = new EventEmitter<string>();
public get onTitleChange(): IEvent<string> { return this._onTitleChange.event; }
private _onA11yCharEmitter = new EventEmitter<string>();
public get onA11yChar(): IEvent<string> { return this._onA11yCharEmitter.event; }
private _onA11yTabEmitter = new EventEmitter<number>();
public get onA11yTab(): IEvent<number> { return this._onA11yTabEmitter.event; }
/**
* Creates a new `Terminal` object.
*
* @param options An object containing a set of options, the available options are:
* - `cursorBlink` (boolean): Whether the terminal cursor blinks
* - `cols` (number): The number of columns of the terminal (horizontal size)
* - `rows` (number): The number of rows of the terminal (vertical size)
*
* @public
* @class Xterm Xterm
* @alias module:xterm/src/xterm
*/
constructor(
options: ITerminalOptions = {}
) {
super(options);
this._setup();
// Setup InputHandler listeners
this.register(this._inputHandler.onRequestBell(() => this.bell()));
this.register(this._inputHandler.onRequestReset(() => this.reset()));
this.register(forwardEvent(this._inputHandler.onCursorMove, this._onCursorMove));
this.register(forwardEvent(this._inputHandler.onTitleChange, this._onTitleChange));
this.register(forwardEvent(this._inputHandler.onA11yChar, this._onA11yCharEmitter));
this.register(forwardEvent(this._inputHandler.onA11yTab, this._onA11yTabEmitter));
}
public dispose(): void {
if (this._isDisposed) {
return;
}
super.dispose();
this.write = () => { };
}
/**
* Convenience property to active buffer.
*/
public get buffer(): IBuffer {
return this.buffers.active;
}
protected _updateOptions(key: string): void {
super._updateOptions(key);
// TODO: These listeners should be owned by individual components
switch (key) {
case 'tabStopWidth': this.buffers.setupTabStops(); break;
}
}
// TODO: Support paste here?
public get markers(): IMarker[] {
return this.buffer.markers;
}
public addMarker(cursorYOffset: number): IMarker | undefined {
// Disallow markers on the alt buffer
if (this.buffer !== this.buffers.normal) {
return;
}
return this.buffer.addMarker(this.buffer.ybase + this.buffer.y + cursorYOffset);
}
public bell(): void {
this._onBell.fire();
}
/**
* Resizes the terminal.
*
* @param x The number of columns to resize to.
* @param y The number of rows to resize to.
*/
public resize(x: number, y: number): void {
if (x === this.cols && y === this.rows) {
return;
}
super.resize(x, y);
}
/**
* Clear the entire buffer, making the prompt line the new first line.
*/
public clear(): void {
if (this.buffer.ybase === 0 && this.buffer.y === 0) {
// Don't clear if it's already clear
return;
}
this.buffer.lines.set(0, this.buffer.lines.get(this.buffer.ybase + this.buffer.y)!);
this.buffer.lines.length = 1;
this.buffer.ydisp = 0;
this.buffer.ybase = 0;
this.buffer.y = 0;
for (let i = 1; i < this.rows; i++) {
this.buffer.lines.push(this.buffer.getBlankLine(DEFAULT_ATTR_DATA));
}
this._onScroll.fire({ position: this.buffer.ydisp, source: ScrollSource.TERMINAL });
}
/**
* Reset terminal.
* Note: Calling this directly from JS is synchronous but does not clear
* input buffers and does not reset the parser, thus the terminal will
* continue to apply pending input data.
* If you need in band reset (synchronous with input data) consider
* using DECSTR (soft reset, CSI ! p) or RIS instead (hard reset, ESC c).
*/
public reset(): void {
/**
* Since _setup handles a full terminal creation, we have to carry forward
* a few things that should not reset.
*/
this.options.rows = this.rows;
this.options.cols = this.cols;
this._setup();
super.reset();
}
}
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import { IBuffer, IBufferSet } from 'common/buffer/Types';
import { IEvent } from 'common/EventEmitter';
import { IFunctionIdentifier, IParams } from 'common/parser/Types';
import { ICoreTerminal, IDisposable, IMarker, ITerminalOptions } from 'common/Types';
export interface ITerminal extends ICoreTerminal {
rows: number;
cols: number;
buffer: IBuffer;
buffers: IBufferSet;
markers: IMarker[];
// TODO: We should remove options once components adopt optionsService
options: ITerminalOptions;
onCursorMove: IEvent<void>;
onData: IEvent<string>;
onBinary: IEvent<string>;
onLineFeed: IEvent<void>;
onResize: IEvent<{ cols: number, rows: number }>;
onTitleChange: IEvent<string>;
resize(columns: number, rows: number): void;
addCsiHandler(id: IFunctionIdentifier, callback: (params: IParams) => boolean): IDisposable;
addDcsHandler(id: IFunctionIdentifier, callback: (data: string, param: IParams) => boolean): IDisposable;
addEscHandler(id: IFunctionIdentifier, callback: () => boolean): IDisposable;
addOscHandler(ident: number, callback: (data: string) => boolean): IDisposable;
addMarker(cursorYOffset: number): IMarker | undefined;
dispose(): void;
clear(): void;
write(data: string | Uint8Array, callback?: () => void): void;
reset(): void;
}
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/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { deepStrictEqual, strictEqual, throws } from 'assert';
import { Terminal } from 'headless/public/Terminal';
let term: Terminal;
describe('Headless API Tests', function(): void {
beforeEach(() => {
// Create default terminal to be used by most tests
term = new Terminal();
});
it('Default options', async () => {
strictEqual(term.cols, 80);
strictEqual(term.rows, 24);
});
it('Proposed API check', async () => {
term = new Terminal({ allowProposedApi: false });
throws(() => term.buffer, (error) => error.message === 'You must set the allowProposedApi option to true to use proposed API');
});
it('write', async () => {
await writeSync('foo');
await writeSync('bar');
await writeSync('文');
lineEquals(0, 'foobar文');
});
it('write with callback', async () => {
let result: string | undefined;
await new Promise<void>(r => {
term.write('foo', () => { result = 'a'; });
term.write('bar', () => { result += 'b'; });
term.write('文', () => {
result += 'c';
r();
});
});
lineEquals(0, 'foobar文');
strictEqual(result, 'abc');
});
it('write - bytes (UTF8)', async () => {
await writeSync(new Uint8Array([102, 111, 111])); // foo
await writeSync(new Uint8Array([98, 97, 114])); // bar
await writeSync(new Uint8Array([230, 150, 135])); // 文
lineEquals(0, 'foobar文');
});
it('write - bytes (UTF8) with callback', async () => {
let result: string | undefined;
await new Promise<void>(r => {
term.write(new Uint8Array([102, 111, 111]), () => { result = 'A'; }); // foo
term.write(new Uint8Array([98, 97, 114]), () => { result += 'B'; }); // bar
term.write(new Uint8Array([230, 150, 135]), () => { // 文
result += 'C';
r();
});
});
lineEquals(0, 'foobar文');
strictEqual(result, 'ABC');
});
it('writeln', async () => {
await writelnSync('foo');
await writelnSync('bar');
await writelnSync('文');
lineEquals(0, 'foo');
lineEquals(1, 'bar');
lineEquals(2, '文');
});
it('writeln with callback', async () => {
let result: string | undefined;
await new Promise<void>(r => {
term.writeln('foo', () => { result = '1'; });
term.writeln('bar', () => { result += '2'; });
term.writeln('文', () => {
result += '3';
r();
});
});
lineEquals(0, 'foo');
lineEquals(1, 'bar');
lineEquals(2, '文');
strictEqual(result, '123');
});
it('writeln - bytes (UTF8)', async () => {
await writelnSync(new Uint8Array([102, 111, 111]));
await writelnSync(new Uint8Array([98, 97, 114]));
await writelnSync(new Uint8Array([230, 150, 135]));
lineEquals(0, 'foo');
lineEquals(1, 'bar');
lineEquals(2, '文');
});
it('clear', async () => {
term = new Terminal({ rows: 5 });
for (let i = 0; i < 10; i++) {
await writeSync('\n\rtest' + i);
}
term.clear();
strictEqual(term.buffer.active.length, 5);
lineEquals(0, 'test9');
for (let i = 1; i < 5; i++) {
lineEquals(i, '');
}
});
it('getOption, setOption', async () => {
strictEqual(term.getOption('scrollback'), 1000);
term.setOption('scrollback', 50);
strictEqual(term.getOption('scrollback'), 50);
});
describe('loadAddon', () => {
it('constructor', async () => {
term = new Terminal({ cols: 5 });
let cols = 0;
term.loadAddon({
activate: (t) => cols = t.cols,
dispose: () => {}
});
strictEqual(cols, 5);
});
it('dispose (addon)', async () => {
let disposeCalled = false;
const addon = {
activate: () => {},
dispose: () => disposeCalled = true
};
term.loadAddon(addon);
strictEqual(disposeCalled, false);
addon.dispose();
strictEqual(disposeCalled, true);
});
it('dispose (terminal)', async () => {
let disposeCalled = false;
term.loadAddon({
activate: () => {},
dispose: () => disposeCalled = true
});
strictEqual(disposeCalled, false);
term.dispose();
strictEqual(disposeCalled, true);
});
});
describe('Events', () => {
it('onCursorMove', async () => {
let callCount = 0;
term.onCursorMove(e => callCount++);
await writeSync('foo');
strictEqual(callCount, 1);
await writeSync('bar');
strictEqual(callCount, 2);
});
it('onData', async () => {
const calls: string[] = [];
term.onData(e => calls.push(e));
await writeSync('\x1b[5n'); // DSR Status Report
deepStrictEqual(calls, ['\x1b[0n']);
});
it('onLineFeed', async () => {
let callCount = 0;
term.onLineFeed(() => callCount++);
await writelnSync('foo');
strictEqual(callCount, 1);
await writelnSync('bar');
strictEqual(callCount, 2);
});
it('onScroll', async () => {
term = new Terminal({ rows: 5 });
const calls: number[] = [];
term.onScroll(e => calls.push(e));
for (let i = 0; i < 4; i++) {
await writelnSync('foo');
}
deepStrictEqual(calls, []);
await writelnSync('bar');
deepStrictEqual(calls, [1]);
await writelnSync('baz');
deepStrictEqual(calls, [1, 2]);
});
it('onResize', async () => {
const calls: [number, number][] = [];
term.onResize(e => calls.push([e.cols, e.rows]));
deepStrictEqual(calls, []);
term.resize(10, 5);
deepStrictEqual(calls, [[10, 5]]);
term.resize(20, 15);
deepStrictEqual(calls, [[10, 5], [20, 15]]);
});
it('onTitleChange', async () => {
const calls: string[] = [];
term.onTitleChange(e => calls.push(e));
deepStrictEqual(calls, []);
await writeSync('\x1b]2;foo\x9c');
deepStrictEqual(calls, ['foo']);
});
it('onBell', async () => {
const calls: boolean[] = [];
term.onBell(() => calls.push(true));
deepStrictEqual(calls, []);
await writeSync('\x07');
deepStrictEqual(calls, [true]);
});
});
describe('buffer', () => {
it('cursorX, cursorY', async () => {
term = new Terminal({ rows: 5, cols: 5 });
strictEqual(term.buffer.active.cursorX, 0);
strictEqual(term.buffer.active.cursorY, 0);
await writeSync('foo');
strictEqual(term.buffer.active.cursorX, 3);
strictEqual(term.buffer.active.cursorY, 0);
await writeSync('\n');
strictEqual(term.buffer.active.cursorX, 3);
strictEqual(term.buffer.active.cursorY, 1);
await writeSync('\r');
strictEqual(term.buffer.active.cursorX, 0);
strictEqual(term.buffer.active.cursorY, 1);
await writeSync('abcde');
strictEqual(term.buffer.active.cursorX, 5);
strictEqual(term.buffer.active.cursorY, 1);
await writeSync('\n\r\n\n\n\n\n');
strictEqual(term.buffer.active.cursorX, 0);
strictEqual(term.buffer.active.cursorY, 4);
});
it('viewportY', async () => {
term = new Terminal({ rows: 5 });
strictEqual(term.buffer.active.viewportY, 0);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.viewportY, 0);
await writeSync('\n');
strictEqual(term.buffer.active.viewportY, 1);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.viewportY, 5);
term.scrollLines(-1);
strictEqual(term.buffer.active.viewportY, 4);
term.scrollToTop();
strictEqual(term.buffer.active.viewportY, 0);
});
it('baseY', async () => {
term = new Terminal({ rows: 5 });
strictEqual(term.buffer.active.baseY, 0);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.baseY, 0);
await writeSync('\n');
strictEqual(term.buffer.active.baseY, 1);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.baseY, 5);
term.scrollLines(-1);
strictEqual(term.buffer.active.baseY, 5);
term.scrollToTop();
strictEqual(term.buffer.active.baseY, 5);
});
it('length', async () => {
term = new Terminal({ rows: 5 });
strictEqual(term.buffer.active.length, 5);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.length, 5);
await writeSync('\n');
strictEqual(term.buffer.active.length, 6);
await writeSync('\n\n\n\n');
strictEqual(term.buffer.active.length, 10);
});
describe('getLine', () => {
it('invalid index', async () => {
term = new Terminal({ rows: 5 });
strictEqual(term.buffer.active.getLine(-1), undefined);
strictEqual(term.buffer.active.getLine(5), undefined);
});
it('isWrapped', async () => {
term = new Terminal({ cols: 5 });
strictEqual(term.buffer.active.getLine(0)!.isWrapped, false);
strictEqual(term.buffer.active.getLine(1)!.isWrapped, false);
await writeSync('abcde');
strictEqual(term.buffer.active.getLine(0)!.isWrapped, false);
strictEqual(term.buffer.active.getLine(1)!.isWrapped, false);
await writeSync('f');
strictEqual(term.buffer.active.getLine(0)!.isWrapped, false);
strictEqual(term.buffer.active.getLine(1)!.isWrapped, true);
});
it('translateToString', async () => {
term = new Terminal({ cols: 5 });
strictEqual(term.buffer.active.getLine(0)!.translateToString(), ' ');
strictEqual(term.buffer.active.getLine(0)!.translateToString(true), '');
await writeSync('foo');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), 'foo ');
strictEqual(term.buffer.active.getLine(0)!.translateToString(true), 'foo');
await writeSync('bar');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), 'fooba');
strictEqual(term.buffer.active.getLine(0)!.translateToString(true), 'fooba');
strictEqual(term.buffer.active.getLine(1)!.translateToString(true), 'r');
strictEqual(term.buffer.active.getLine(0)!.translateToString(false, 1), 'ooba');
strictEqual(term.buffer.active.getLine(0)!.translateToString(false, 1, 3), 'oo');
});
it('getCell', async () => {
term = new Terminal({ cols: 5 });
strictEqual(term.buffer.active.getLine(0)!.getCell(-1), undefined);
strictEqual(term.buffer.active.getLine(0)!.getCell(5), undefined);
strictEqual(term.buffer.active.getLine(0)!.getCell(0)!.getChars(), '');
strictEqual(term.buffer.active.getLine(0)!.getCell(0)!.getWidth(), 1);
await writeSync('a文');
strictEqual(term.buffer.active.getLine(0)!.getCell(0)!.getChars(), 'a');
strictEqual(term.buffer.active.getLine(0)!.getCell(0)!.getWidth(), 1);
strictEqual(term.buffer.active.getLine(0)!.getCell(1)!.getChars(), '文');
strictEqual(term.buffer.active.getLine(0)!.getCell(1)!.getWidth(), 2);
strictEqual(term.buffer.active.getLine(0)!.getCell(2)!.getChars(), '');
strictEqual(term.buffer.active.getLine(0)!.getCell(2)!.getWidth(), 0);
});
});
it('active, normal, alternate', async () => {
term = new Terminal({ cols: 5 });
strictEqual(term.buffer.active.type, 'normal');
strictEqual(term.buffer.normal.type, 'normal');
strictEqual(term.buffer.alternate.type, 'alternate');
await writeSync('norm ');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), 'norm ');
strictEqual(term.buffer.normal.getLine(0)!.translateToString(), 'norm ');
strictEqual(term.buffer.alternate.getLine(0), undefined);
await writeSync('\x1b[?47h\r'); // use alternate screen buffer
strictEqual(term.buffer.active.type, 'alternate');
strictEqual(term.buffer.normal.type, 'normal');
strictEqual(term.buffer.alternate.type, 'alternate');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), ' ');
await writeSync('alt ');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), 'alt ');
strictEqual(term.buffer.normal.getLine(0)!.translateToString(), 'norm ');
strictEqual(term.buffer.alternate.getLine(0)!.translateToString(), 'alt ');
await writeSync('\x1b[?47l\r'); // use normal screen buffer
strictEqual(term.buffer.active.type, 'normal');
strictEqual(term.buffer.normal.type, 'normal');
strictEqual(term.buffer.alternate.type, 'alternate');
strictEqual(term.buffer.active.getLine(0)!.translateToString(), 'norm ');
strictEqual(term.buffer.normal.getLine(0)!.translateToString(), 'norm ');
strictEqual(term.buffer.alternate.getLine(0), undefined);
});
});
describe('modes', () => {
it('defaults', () => {
deepStrictEqual(term.modes, {
applicationCursorKeysMode: false,
applicationKeypadMode: false,
bracketedPasteMode: false,
insertMode: false,
mouseTrackingMode: 'none',
originMode: false,
reverseWraparoundMode: false,
sendFocusMode: false,
wraparoundMode: true
});
});
it('applicationCursorKeysMode', async () => {
await writeSync('\x1b[?1h');
strictEqual(term.modes.applicationCursorKeysMode, true);
await writeSync('\x1b[?1l');
strictEqual(term.modes.applicationCursorKeysMode, false);
});
it('applicationKeypadMode', async () => {
await writeSync('\x1b[?66h');
strictEqual(term.modes.applicationKeypadMode, true);
await writeSync('\x1b[?66l');
strictEqual(term.modes.applicationKeypadMode, false);
});
it('bracketedPasteMode', async () => {
await writeSync('\x1b[?2004h');
strictEqual(term.modes.bracketedPasteMode, true);
await writeSync('\x1b[?2004l');
strictEqual(term.modes.bracketedPasteMode, false);
});
it('insertMode', async () => {
await writeSync('\x1b[4h');
strictEqual(term.modes.insertMode, true);
await writeSync('\x1b[4l');
strictEqual(term.modes.insertMode, false);
});
it('mouseTrackingMode', async () => {
await writeSync('\x1b[?9h');
strictEqual(term.modes.mouseTrackingMode, 'x10');
await writeSync('\x1b[?9l');
strictEqual(term.modes.mouseTrackingMode, 'none');
await writeSync('\x1b[?1000h');
strictEqual(term.modes.mouseTrackingMode, 'vt200');
await writeSync('\x1b[?1000l');
strictEqual(term.modes.mouseTrackingMode, 'none');
await writeSync('\x1b[?1002h');
strictEqual(term.modes.mouseTrackingMode, 'drag');
await writeSync('\x1b[?1002l');
strictEqual(term.modes.mouseTrackingMode, 'none');
await writeSync('\x1b[?1003h');
strictEqual(term.modes.mouseTrackingMode, 'any');
await writeSync('\x1b[?1003l');
strictEqual(term.modes.mouseTrackingMode, 'none');
});
it('originMode', async () => {
await writeSync('\x1b[?6h');
strictEqual(term.modes.originMode, true);
await writeSync('\x1b[?6l');
strictEqual(term.modes.originMode, false);
});
it('reverseWraparoundMode', async () => {
await writeSync('\x1b[?45h');
strictEqual(term.modes.reverseWraparoundMode, true);
await writeSync('\x1b[?45l');
strictEqual(term.modes.reverseWraparoundMode, false);
});
it('sendFocusMode', async () => {
await writeSync('\x1b[?1004h');
strictEqual(term.modes.sendFocusMode, true);
await writeSync('\x1b[?1004l');
strictEqual(term.modes.sendFocusMode, false);
});
it('wraparoundMode', async () => {
await writeSync('\x1b[?7h');
strictEqual(term.modes.wraparoundMode, true);
await writeSync('\x1b[?7l');
strictEqual(term.modes.wraparoundMode, false);
});
});
it('dispose', async () => {
term.dispose();
strictEqual((term as any)._core._isDisposed, true);
});
});
function writeSync(text: string | Uint8Array): Promise<void> {
return new Promise<void>(r => term.write(text, r));
}
function writelnSync(text: string | Uint8Array): Promise<void> {
return new Promise<void>(r => term.writeln(text, r));
}
function lineEquals(index: number, text: string): void {
strictEqual(term.buffer.active.getLine(index)!.translateToString(true), text);
}
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/**
* Copyright (c) 2018 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IEvent } from 'common/EventEmitter';
import { BufferNamespaceApi } from 'common/public/BufferNamespaceApi';
import { ParserApi } from 'common/public/ParserApi';
import { UnicodeApi } from 'common/public/UnicodeApi';
import { IBufferNamespace as IBufferNamespaceApi, IMarker, IModes, IParser, ITerminalAddon, ITerminalOptions, IUnicodeHandling, Terminal as ITerminalApi } from 'xterm-headless';
import { Terminal as TerminalCore } from 'headless/Terminal';
import { AddonManager } from 'common/public/AddonManager';
export class Terminal implements ITerminalApi {
private _core: TerminalCore;
private _addonManager: AddonManager;
private _parser: IParser | undefined;
private _buffer: BufferNamespaceApi | undefined;
constructor(options?: ITerminalOptions) {
this._core = new TerminalCore(options);
this._addonManager = new AddonManager();
}
private _checkProposedApi(): void {
if (!this._core.optionsService.options.allowProposedApi) {
throw new Error('You must set the allowProposedApi option to true to use proposed API');
}
}
public get onBell(): IEvent<void> { return this._core.onBell; }
public get onBinary(): IEvent<string> { return this._core.onBinary; }
public get onCursorMove(): IEvent<void> { return this._core.onCursorMove; }
public get onData(): IEvent<string> { return this._core.onData; }
public get onLineFeed(): IEvent<void> { return this._core.onLineFeed; }
public get onResize(): IEvent<{ cols: number, rows: number }> { return this._core.onResize; }
public get onScroll(): IEvent<number> { return this._core.onScroll; }
public get onTitleChange(): IEvent<string> { return this._core.onTitleChange; }
public get parser(): IParser {
this._checkProposedApi();
if (!this._parser) {
this._parser = new ParserApi(this._core);
}
return this._parser;
}
public get unicode(): IUnicodeHandling {
this._checkProposedApi();
return new UnicodeApi(this._core);
}
public get rows(): number { return this._core.rows; }
public get cols(): number { return this._core.cols; }
public get buffer(): IBufferNamespaceApi {
this._checkProposedApi();
if (!this._buffer) {
this._buffer = new BufferNamespaceApi(this._core);
}
return this._buffer;
}
public get markers(): ReadonlyArray<IMarker> {
this._checkProposedApi();
return this._core.markers;
}
public get modes(): IModes {
const m = this._core.coreService.decPrivateModes;
let mouseTrackingMode: 'none' | 'x10' | 'vt200' | 'drag' | 'any' = 'none';
switch (this._core.coreMouseService.activeProtocol) {
case 'X10': mouseTrackingMode = 'x10'; break;
case 'VT200': mouseTrackingMode = 'vt200'; break;
case 'DRAG': mouseTrackingMode = 'drag'; break;
case 'ANY': mouseTrackingMode = 'any'; break;
}
return {
applicationCursorKeysMode: m.applicationCursorKeys,
applicationKeypadMode: m.applicationKeypad,
bracketedPasteMode: m.bracketedPasteMode,
insertMode: this._core.coreService.modes.insertMode,
mouseTrackingMode: mouseTrackingMode,
originMode: m.origin,
reverseWraparoundMode: m.reverseWraparound,
sendFocusMode: m.sendFocus,
wraparoundMode: m.wraparound
};
}
public resize(columns: number, rows: number): void {
this._verifyIntegers(columns, rows);
this._core.resize(columns, rows);
}
public registerMarker(cursorYOffset: number): IMarker | undefined {
this._checkProposedApi();
this._verifyIntegers(cursorYOffset);
return this._core.addMarker(cursorYOffset);
}
public addMarker(cursorYOffset: number): IMarker | undefined {
return this.registerMarker(cursorYOffset);
}
public dispose(): void {
this._addonManager.dispose();
this._core.dispose();
}
public scrollLines(amount: number): void {
this._verifyIntegers(amount);
this._core.scrollLines(amount);
}
public scrollPages(pageCount: number): void {
this._verifyIntegers(pageCount);
this._core.scrollPages(pageCount);
}
public scrollToTop(): void {
this._core.scrollToTop();
}
public scrollToBottom(): void {
this._core.scrollToBottom();
}
public scrollToLine(line: number): void {
this._verifyIntegers(line);
this._core.scrollToLine(line);
}
public clear(): void {
this._core.clear();
}
public write(data: string | Uint8Array, callback?: () => void): void {
this._core.write(data, callback);
}
public writeUtf8(data: Uint8Array, callback?: () => void): void {
this._core.write(data, callback);
}
public writeln(data: string | Uint8Array, callback?: () => void): void {
this._core.write(data);
this._core.write('\r\n', callback);
}
public getOption(key: 'bellSound' | 'bellStyle' | 'cursorStyle' | 'fontFamily' | 'logLevel' | 'rendererType' | 'termName' | 'wordSeparator'): string;
public getOption(key: 'allowTransparency' | 'altClickMovesCursor' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'visualBell'): boolean;
public getOption(key: 'cols' | 'fontSize' | 'letterSpacing' | 'lineHeight' | 'rows' | 'tabStopWidth' | 'scrollback'): number;
public getOption(key: string): any;
public getOption(key: any): any {
return this._core.optionsService.getOption(key);
}
public setOption(key: 'bellSound' | 'fontFamily' | 'termName' | 'wordSeparator', value: string): void;
public setOption(key: 'fontWeight' | 'fontWeightBold', value: 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number): void;
public setOption(key: 'logLevel', value: 'debug' | 'info' | 'warn' | 'error' | 'off'): void;
public setOption(key: 'bellStyle', value: 'none' | 'visual' | 'sound' | 'both'): void;
public setOption(key: 'cursorStyle', value: 'block' | 'underline' | 'bar'): void;
public setOption(key: 'allowTransparency' | 'altClickMovesCursor' | 'cancelEvents' | 'convertEol' | 'cursorBlink' | 'disableStdin' | 'macOptionIsMeta' | 'rightClickSelectsWord' | 'popOnBell' | 'visualBell', value: boolean): void;
public setOption(key: 'fontSize' | 'letterSpacing' | 'lineHeight' | 'tabStopWidth' | 'scrollback', value: number): void;
public setOption(key: 'cols' | 'rows', value: number): void;
public setOption(key: string, value: any): void;
public setOption(key: any, value: any): void {
this._core.optionsService.setOption(key, value);
}
public reset(): void {
this._core.reset();
}
public loadAddon(addon: ITerminalAddon): void {
// TODO: This could cause issues if the addon calls renderer apis
return this._addonManager.loadAddon(this as any, addon);
}
private _verifyIntegers(...values: number[]): void {
for (const value of values) {
if (value === Infinity || isNaN(value) || value % 1 !== 0) {
throw new Error('This API only accepts integers');
}
}
}
}
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{
"extends": "../tsconfig-library-base",
"compilerOptions": {
"lib": [
"es2015",
"es2016.Array.Include"
],
"outDir": "../../out",
"types": [
"../../node_modules/@types/mocha",
"../../node_modules/@types/node"
],
"baseUrl": "../",
"paths": {
"common/*": [ "./common/*" ]
}
},
"include": [
"./**/*",
"../../typings/xterm.d.ts", // common/Types.d.ts imports from 'xterm'
"../../typings/xterm-headless.d.ts"
],
"references": [
{ "path": "../common" }
]
}