eiac/xterm.js
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Create new event with emitter object to simplify code

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This commit is contained in:
Daniel Imms
2022-10-01 08:45:40 -07:00
parent 969db2bcf9
commit ed15a8e170
33 changed files with 247 additions and 307 deletions
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addons/xterm-addon-webgl/src/WebglAddon.ts
+5 -7
View File
@@ -7,7 +7,7 @@ import { Terminal, ITerminalAddon, IEvent } from 'xterm';
import { WebglRenderer } from './WebglRenderer';
import { ICharacterJoinerService, ICoreBrowserService, IRenderService } from 'browser/services/Services';
import { IColorSet } from 'browser/Types';
import { EventEmitter, forwardEvent } from 'common/EventEmitter';
import { EventEmitter, forwardEvent, initEvent } from 'common/EventEmitter';
import { isSafari } from 'common/Platform';
import { ICoreService, IDecorationService } from 'common/services/Services';
@@ -15,10 +15,8 @@ export class WebglAddon implements ITerminalAddon {
private _terminal?: Terminal;
private _renderer?: WebglRenderer;
private readonly _onChangeTextureAtlas = new EventEmitter<HTMLElement>();
public readonly onChangeTextureAtlas = this._onChangeTextureAtlas.event;
private readonly _onContextLoss = new EventEmitter<void>();
public readonly onContextLoss = this._onContextLoss.event;
public readonly onChangeTextureAtlas = initEvent<HTMLElement>();
public readonly onContextLoss = initEvent<void>();
constructor(
private _preserveDrawingBuffer?: boolean
@@ -39,8 +37,8 @@ export class WebglAddon implements ITerminalAddon {
const decorationService: IDecorationService = (terminal as any)._core._decorationService;
const colors: IColorSet = (terminal as any)._core._colorManager.colors;
this._renderer = new WebglRenderer(terminal, colors, characterJoinerService, coreBrowserService, coreService, decorationService, this._preserveDrawingBuffer);
forwardEvent(this._renderer.onContextLoss, this._onContextLoss);
forwardEvent(this._renderer.onChangeTextureAtlas, this._onChangeTextureAtlas);
forwardEvent(this._renderer.onContextLoss, this.onContextLoss);
forwardEvent(this._renderer.onChangeTextureAtlas, this.onChangeTextureAtlas);
renderService.setRenderer(this._renderer);
}
addons/xterm-addon-webgl/src/WebglRenderer.ts
+8 -11
View File
@@ -18,7 +18,7 @@ import { IRenderLayer } from './renderLayer/Types';
import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/Types';
import { observeDevicePixelDimensions } from 'browser/renderer/DevicePixelObserver';
import { ITerminal, IColorSet } from 'browser/Types';
import { EventEmitter } from 'common/EventEmitter';
import { EventEmitter, initEvent } from 'common/EventEmitter';
import { CellData } from 'common/buffer/CellData';
import { addDisposableDomListener } from 'browser/Lifecycle';
import { ICharacterJoinerService, ICoreBrowserService } from 'browser/services/Services';
@@ -53,12 +53,9 @@ export class WebglRenderer extends Disposable implements IRenderer {
private _isAttached: boolean;
private _contextRestorationTimeout: number | undefined;
private readonly _onChangeTextureAtlas = new EventEmitter<HTMLCanvasElement>();
public readonly onChangeTextureAtlas = this._onChangeTextureAtlas.event;
private readonly _onRequestRedraw = new EventEmitter<IRequestRedrawEvent>();
public readonly onRequestRedraw = this._onRequestRedraw.event;
private readonly _onContextLoss = new EventEmitter<void>();
public readonly onContextLoss = this._onContextLoss.event;
public readonly onChangeTextureAtlas = initEvent<HTMLCanvasElement>();
public readonly onRequestRedraw = initEvent<IRequestRedrawEvent>();
public readonly onContextLoss = initEvent<void>();
constructor(
private _terminal: Terminal,
@@ -75,7 +72,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
this._renderLayers = [
new LinkRenderLayer(this._core.screenElement!, 2, this._colors, this._core, this._coreBrowserService),
new CursorRenderLayer(_terminal, this._core.screenElement!, 3, this._colors, this._onRequestRedraw, this._coreBrowserService, coreService)
new CursorRenderLayer(_terminal, this._core.screenElement!, 3, this._colors, this.onRequestRedraw, this._coreBrowserService, coreService)
];
this.dimensions = {
scaledCharWidth: 0,
@@ -115,7 +112,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
this._contextRestorationTimeout = setTimeout(() => {
this._contextRestorationTimeout = undefined;
console.warn('webgl context not restored; firing onContextLoss');
this._onContextLoss.fire(e);
this.onContextLoss.fire(e);
}, 3000 /* ms */);
}));
this.register(addDisposableDomListener(this._canvas, 'webglcontextrestored', (e) => {
@@ -283,7 +280,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
throw new Error('The webgl renderer only works with the webgl char atlas');
}
if (this._charAtlas !== atlas) {
this._onChangeTextureAtlas.fire(atlas.cacheCanvas);
this.onChangeTextureAtlas.fire(atlas.cacheCanvas);
}
this._charAtlas = atlas;
this._charAtlas.warmUp();
@@ -676,7 +673,7 @@ export class WebglRenderer extends Disposable implements IRenderer {
}
private _requestRedrawViewport(): void {
this._onRequestRedraw.fire({ start: 0, end: this._terminal.rows - 1 });
this.onRequestRedraw.fire({ start: 0, end: this._terminal.rows - 1 });
}
}