49 lines
1.0 KiB
TypeScript
49 lines
1.0 KiB
TypeScript
import faux from "./builtins.ts";
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import { getKeysPressed, shiftKeyDown, shiftMap, K } from "./keyboard.ts";
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import { font } from "./font.ts";
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let line = "";
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let index = 0;
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const update = () => {
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for (const key of getKeysPressed()) {
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let char = String.fromCharCode(key).toLowerCase();
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if (shiftKeyDown()) {
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if (char in shiftMap) {
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char = shiftMap[char as keyof typeof shiftMap];
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} else {
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char = char.toUpperCase();
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}
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}
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if (char in font) {
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line = line.slice(0, index)+char+line.slice(index);
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index += 1;
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} else if (key === K.BACKSPACE) {
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line = line.slice(0, -1);
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index -= 1;
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if (index < 0) {
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index = 0;
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}
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} else if (key === K.ARROW_LEFT) {
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index -= 1;
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if (index < 0) {
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index = 0;
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}
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} else if (key === K.ARROW_RIGHT) {
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index += 1;
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if (index > line.length) {
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index = line.length;
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}
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}
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}
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}
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const draw = () => {
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faux.clear_screen();
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faux.draw_rect((2+index)*4, 0, 5, 6, 3);
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faux.draw_text(0, 0, "> "+line);
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}
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export const repl = {
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update, draw
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} |