Add mouse click events for web displays
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TODO.md
2
TODO.md
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@ -1,6 +1,6 @@
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# TODO
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- Add click events
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- Add click events for ansi display
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- Fix resizing on web_div display
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- Prevent ctrl+c on web display
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- Optimize drawing to display, by allowing sequences of characters with the same
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@ -0,0 +1 @@
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--ignore=web-demo/textui.js
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5
demo.ts
5
demo.ts
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@ -17,6 +17,11 @@ const config: Partial<UIConfig> = {
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ui.drawing.color(1, 0).text(key, { x, y: 7 });
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x += key.length + 1;
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},
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onMouseClick: (loc) => {
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const text = `${loc.x}:${loc.y}`;
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ui.drawing.color(1, 0).text(text, { x, y: 7 });
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x += text.length + 1;
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},
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};
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const ui = new TextUI(display, config);
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await ui.init();
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16
mod.ts
16
mod.ts
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@ -2,18 +2,13 @@ import { AnsiTerminalDisplay } from "./ansi.ts";
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import { UIConfig } from "./config.ts";
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import { Display } from "./display.ts";
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import { TextUI } from "./ui.ts";
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import {
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CanvasTerminalDisplay,
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DivTerminalDisplay,
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PreTerminalDisplay,
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} from "./web.ts";
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import { CanvasTerminalDisplay, DivTerminalDisplay } from "./web.ts";
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export { TextUI };
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export const UI_DISPLAY_TYPES = {
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autodetect: undefined,
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ansi: AnsiTerminalDisplay,
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web_pre: PreTerminalDisplay,
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web_div: DivTerminalDisplay,
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web_canvas: CanvasTerminalDisplay,
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dummy: Display,
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@ -26,8 +21,15 @@ export async function createTextUI(
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if (display_type == "autodetect") {
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if (typeof (window as any).document != "undefined") {
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display_type = "web_canvas";
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} else {
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// TODO if canvas is not available, fall back to div
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} else if (typeof (Deno as any) != "undefined") {
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display_type = "ansi";
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} else {
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const message = "Cannot initialize display";
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if (typeof alert == "function") {
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alert(message);
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}
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throw new Error(message);
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}
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}
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@ -14,6 +14,11 @@ export async function demo(display_type) {
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ui.drawing.color(1, 0).text(key, { x, y: 7 });
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x += key.length + 1;
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},
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onMouseClick: (loc) => {
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const text = `${loc.x}:${loc.y}`;
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ui.drawing.color(1, 0).text(text, { x, y: 7 });
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x += text.length + 1;
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},
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}, display_type);
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function draw() {
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ui.drawing.color(2, 0).text("hello", { x: 10, y: 3 });
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@ -1,14 +0,0 @@
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="stylesheet" href="demo.css">
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<script type="module">
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import { demo } from "./demo.js";
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demo("web_pre");
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</script>
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</head>
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<body></body>
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</html>
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61
web.ts
61
web.ts
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@ -59,10 +59,6 @@ class WebDisplay extends Display {
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async setChar(at: BufferLocation, char: Char): Promise<void> {
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}
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async getKeyStrokes(): Promise<string[]> {
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return [];
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}
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//
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// Get the size in pixels of the target area
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//
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@ -134,43 +130,6 @@ class WebDisplay extends Display {
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}
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}
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//
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// Basic terminal display using a single "pre" tag
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//
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export class PreTerminalDisplay extends WebDisplay {
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element: any;
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override async init(): Promise<void> {
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await super.init();
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if (!this.element) {
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this.element = this.document.createElement("pre");
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this.parent.appendChild(this.element);
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}
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const { w, h } = this.size;
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const line = Array(w).fill(" ").join("");
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this.element.textContent = Array(h).fill(line).join("\n");
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}
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override async uninit(): Promise<void> {
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if (this.element) {
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this.parent.removeChild(this.element);
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this.element = null;
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}
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await super.uninit();
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}
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override async setChar(at: BufferLocation, char: Char): Promise<void> {
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const { w, h } = this.size;
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const offset = at.y * (w + 1) + at.x;
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const text = this.element.textContent;
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this.element.textContent = text.slice(0, offset) + char.ch +
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text.slice(offset + 1);
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}
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}
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//
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// Terminal display using one div per char
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//
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@ -232,11 +191,9 @@ export class DivTerminalDisplay extends WebDisplay {
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div.style.overflow = "hidden";
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this.parent.appendChild(div);
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divs.push(div);
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/*div.addEventListener("click", () => {
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if (this.onclick) {
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this.onclick({ x, y });
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}
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});*/
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div.addEventListener("click", () => {
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this.pushEvent({ click: { x, y } });
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});
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}
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}
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@ -262,14 +219,14 @@ export class CanvasTerminalDisplay extends WebDisplay {
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this.compose = new Canvas(this.document, undefined);
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this.present = new Canvas(this.document, this.parent);
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/*this.present.element.addEventListener("click", (ev) => {
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if (this.onclick) {
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this.onclick({
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this.present.element.addEventListener("click", (ev: any) => {
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this.pushEvent({
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click: {
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x: Math.round((ev.offsetX * this.ratio) / this.char_size.x),
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y: Math.round((ev.offsetY * this.ratio) / this.char_size.y),
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});
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}
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});*/
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},
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});
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});
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}
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override getTargetSize(): { x: number; y: number } {
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