214 lines
9.0 KiB
TypeScript
214 lines
9.0 KiB
TypeScript
/**
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* Copyright (c) 2018 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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import { BaseWindow } from './baseWindow';
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import type { IControlWindow } from '../controlBar';
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import type { IImageAddonOptions } from '@xterm/addon-image';
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export class AddonImageWindow extends BaseWindow implements IControlWindow {
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public readonly id = 'addon-image';
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public readonly label = 'image';
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private _imageStorageLimitInput!: HTMLInputElement;
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private _imageShowPlaceholderCheckbox!: HTMLInputElement;
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private _imageOptionsTextarea!: HTMLTextAreaElement;
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public build(container: HTMLElement): void {
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// Storage limit
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const storageLimitLabel = document.createElement('label');
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storageLimitLabel.textContent = 'Storage Limit (in MB) ';
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this._imageStorageLimitInput = document.createElement('input');
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this._imageStorageLimitInput.type = 'number';
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this._imageStorageLimitInput.id = 'image-storagelimit';
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storageLimitLabel.appendChild(this._imageStorageLimitInput);
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container.appendChild(storageLimitLabel);
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container.appendChild(document.createElement('br'));
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// Show placeholder
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const placeholderLabel = document.createElement('label');
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placeholderLabel.textContent = 'Show Placeholder ';
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this._imageShowPlaceholderCheckbox = document.createElement('input');
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this._imageShowPlaceholderCheckbox.type = 'checkbox';
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this._imageShowPlaceholderCheckbox.id = 'image-showplaceholder';
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placeholderLabel.appendChild(this._imageShowPlaceholderCheckbox);
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container.appendChild(placeholderLabel);
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container.appendChild(document.createElement('br'));
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container.appendChild(document.createElement('br'));
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// Ctor options
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const optionsLabel = document.createElement('label');
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optionsLabel.appendChild(document.createTextNode('Ctor options (applied on addon relaunch)'));
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optionsLabel.appendChild(document.createElement('br'));
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this._imageOptionsTextarea = document.createElement('textarea');
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this._imageOptionsTextarea.id = 'image-options';
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this._imageOptionsTextarea.cols = 40;
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this._imageOptionsTextarea.rows = 12;
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optionsLabel.appendChild(this._imageOptionsTextarea);
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container.appendChild(optionsLabel);
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container.appendChild(document.createElement('br'));
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container.appendChild(document.createElement('br'));
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// Sixel demos
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const dlSixel = document.createElement('dl');
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const dtSixel = document.createElement('dt');
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dtSixel.textContent = 'Sixel';
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dlSixel.appendChild(dtSixel);
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this._addDdWithButton(dlSixel, 'image-demo1', 'snake');
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this._addDdWithButton(dlSixel, 'image-demo2', 'oranges');
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container.appendChild(dlSixel);
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// IIP demos
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const dlIip = document.createElement('dl');
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const dtIip = document.createElement('dt');
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dtIip.textContent = 'IIP (iTerm)';
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dlIip.appendChild(dtIip);
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this._addDdWithButton(dlIip, 'image-demo3', 'palette (png File)');
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this._addDdWithButton(dlIip, 'image-demo4', 'dice (qoi MultipartFile)');
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container.appendChild(dlIip);
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// Kitty demos
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const dlKitty = document.createElement('dl');
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const dtKitty = document.createElement('dt');
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dtKitty.textContent = 'Kitty';
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dlKitty.appendChild(dtKitty);
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this._addDdWithButton(dlKitty, 'image-demo-kitty1', 'palette');
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container.appendChild(dlKitty);
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this._initImageAddonExposed();
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}
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public get imageStorageLimitInput(): HTMLInputElement {
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return this._imageStorageLimitInput;
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}
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public get imageShowPlaceholderCheckbox(): HTMLInputElement {
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return this._imageShowPlaceholderCheckbox;
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}
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public get imageOptionsTextarea(): HTMLTextAreaElement {
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return this._imageOptionsTextarea;
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}
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private _addDdWithButton(dl: HTMLElement, id: string, label: string): void {
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const dd = document.createElement('dd');
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const button = document.createElement('button');
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button.id = id;
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button.textContent = label;
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dd.appendChild(button);
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dl.appendChild(dd);
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}
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private _initImageAddonExposed(): void {
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const imageAddon = this._addons.image.instance!;
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const defaultOptions: IImageAddonOptions = (imageAddon as any)._defaultOpts;
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const limitStorageElement = document.querySelector<HTMLInputElement>('#image-storagelimit')!;
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limitStorageElement.valueAsNumber = imageAddon.storageLimit;
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this._addDomListener(limitStorageElement, 'change', () => {
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try {
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imageAddon.storageLimit = limitStorageElement.valueAsNumber;
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limitStorageElement.valueAsNumber = imageAddon.storageLimit;
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console.log('changed storageLimit to', imageAddon.storageLimit);
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} catch (e) {
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limitStorageElement.valueAsNumber = imageAddon.storageLimit;
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console.log('storageLimit at', imageAddon.storageLimit);
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throw e;
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}
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});
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const showPlaceholderElement = document.querySelector<HTMLInputElement>('#image-showplaceholder')!;
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showPlaceholderElement.checked = imageAddon.showPlaceholder;
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this._addDomListener(showPlaceholderElement, 'change', () => {
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imageAddon.showPlaceholder = showPlaceholderElement.checked;
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});
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const ctorOptionsElement = document.querySelector<HTMLTextAreaElement>('#image-options')!;
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ctorOptionsElement.value = JSON.stringify(defaultOptions, null, 2);
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const sixelDemo = (url: string) => () => fetch(url)
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.then(resp => resp.arrayBuffer())
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.then(buffer => {
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this._terminal.write('\r\n');
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this._terminal.write(new Uint8Array(buffer));
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});
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const iipDemo = (url: string) => () => fetch(url)
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.then(resp => resp.arrayBuffer())
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.then(buffer => {
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const data = new Uint8Array(buffer);
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let sdata = '';
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for (let i = 0; i < data.length; ++i) sdata += String.fromCharCode(data[i]);
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this._terminal.write('\r\n');
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this._terminal.write(`\x1b]1337;File=inline=1;size=${data.length}:${btoa(sdata)}\x1b\\`);
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});
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const iipDemoMulti = (url: string) => () => fetch(url)
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.then(resp => resp.arrayBuffer())
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.then(buffer => {
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const data = new Uint8Array(buffer);
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let sdata = '';
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for (let i = 0; i < data.length; ++i) sdata += String.fromCharCode(data[i]);
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const encoded = btoa(sdata);
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this._terminal.write('\r\n');
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this._terminal.write(`\x1b]1337;MultipartFile=inline=1\x1b\\`);
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for (let i = 0; i < encoded.length; i += 100) {
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this._terminal.write(`\x1b]1337;FilePart=${encoded.slice(i, i + 100)}\x1b\\`);
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}
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this._terminal.write(`\x1b]1337;FileEnd\x1b\\`);
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});
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const kittyDemo = (url: string) => () => fetch(url)
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.then(resp => resp.arrayBuffer())
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.then(buffer => {
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const data = new Uint8Array(buffer);
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let sdata = '';
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for (let i = 0; i < data.length; ++i) sdata += String.fromCharCode(data[i]);
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const payload = btoa(sdata);
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this._terminal.write('\r\n');
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this._terminal.write(`\x1b_Ga=T,f=100;${payload}\x1b\\`);
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});
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document.getElementById('image-demo1')!.addEventListener('click',
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sixelDemo('https://raw.githubusercontent.com/saitoha/libsixel/master/images/snake.six'));
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document.getElementById('image-demo2')!.addEventListener('click',
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sixelDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/testfiles/test2.sixel'));
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document.getElementById('image-demo3')!.addEventListener('click',
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iipDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/palette.png'));
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document.getElementById('image-demo4')!.addEventListener('click',
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iipDemoMulti('https://raw.githubusercontent.com/jerch/xterm-wasm-parts/master/fixtures/qoi/dice.qoi'));
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document.getElementById('image-demo-kitty1')!.addEventListener('click',
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kittyDemo('https://raw.githubusercontent.com/jerch/node-sixel/master/palette.png'));
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// demo for image retrieval API
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this._terminal.element!.addEventListener('click', (ev: MouseEvent) => {
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if (!ev.ctrlKey || !imageAddon) return;
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// TODO...
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// if (ev.altKey) {
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// const sel = term.getSelectionPosition();
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// if (sel) {
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// addons.image.instance
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// .extractCanvasAtBufferRange(term.getSelectionPosition())
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// ?.toBlob(data => window.open(URL.createObjectURL(data), '_blank'));
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// return;
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// }
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// }
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const pos = (this._terminal as any)._core._mouseCoordsService!.getCoords(ev, (this._terminal as any)._core.screenElement!, this._terminal.cols, this._terminal.rows);
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const x = pos[0] - 1;
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const y = pos[1] - 1;
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const canvas = ev.shiftKey
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// ctrl+shift+click: get single tile
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? imageAddon.extractTileAtBufferCell(x, this._terminal.buffer.active.viewportY + y)
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// ctrl+click: get original image
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: imageAddon.getImageAtBufferCell(x, this._terminal.buffer.active.viewportY + y);
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canvas?.toBlob(data => data && window.open(URL.createObjectURL(data), '_blank'));
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});
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}
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private _addDomListener(element: HTMLElement, type: string, handler: (...args: any[]) => any): void {
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element.addEventListener(type, handler);
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(this._terminal as any)._core._register({ dispose: () => element.removeEventListener(type, handler) });
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}
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}
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