82 lines
2.1 KiB
JavaScript
82 lines
2.1 KiB
JavaScript
import * as actions from '../shared/actions';
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const DEFAULT_KEYMAP = {
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':': [ actions.CMD_OPEN ],
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'o': [ actions.CMD_TABS_OPEN, false ],
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'O': [ actions.CMD_TABS_OPEN, true ],
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'b': [ actions.CMD_BUFFER ],
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'k': [ actions.SCROLL_LINES, -1 ],
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'j': [ actions.SCROLL_LINES, 1 ],
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'<C-E>': [ actions.SCROLL_LINES, -1 ],
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'<C-Y>': [ actions.SCROLL_LINES, 1 ],
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'<C-U>': [ actions.SCROLL_PAGES, -0.5 ],
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'<C-D>': [ actions.SCROLL_PAGES, 0.5 ],
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'<C-B>': [ actions.SCROLL_PAGES, -1 ],
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'<C-F>': [ actions.SCROLL_PAGES, 1 ],
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'gg': [ actions.SCROLL_TOP ],
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'G': [ actions.SCROLL_BOTTOM ],
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'0': [ actions.SCROLL_LEFT ],
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'$': [ actions.SCROLL_RIGHT ],
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'd': [ actions.TABS_CLOSE ],
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'u': [ actions.TABS_REOPEN],
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'h': [ actions.TABS_PREV, 1 ],
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'l': [ actions.TABS_NEXT, 1 ],
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'r': [ actions.TABS_RELOAD, false ],
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'R': [ actions.TABS_RELOAD, true ],
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'zi': [ actions.ZOOM_IN ],
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'zo': [ actions.ZOOM_OUT ],
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'zz': [ actions.ZOOM_NEUTRAL],
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'f': [ actions.FOLLOW_START, false ],
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'F': [ actions.FOLLOW_START, true ],
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'H': [ actions.HISTORY_PREV ],
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'L': [ actions.HISTORY_NEXT ],
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}
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export default class KeyQueue {
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constructor(keymap = DEFAULT_KEYMAP) {
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this.data = [];
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this.keymap = keymap;
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}
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push(key) {
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this.data.push(key);
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let current = this.asKeymapChars();
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let filtered = Object.keys(this.keymap).filter((keys) => {
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return keys.startsWith(current);
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});
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if (filtered.length == 0) {
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this.data = [];
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return null;
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} else if (filtered.length === 1 && current === filtered[0]) {
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let action = this.keymap[filtered[0]];
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this.data = [];
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return action;
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}
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return null;
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}
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asKeymapChars() {
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return this.data.map((k) => {
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let c = String.fromCharCode(k.code);
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if (k.ctrl) {
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return '<C-' + c.toUpperCase() + '>';
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} else {
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return c
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}
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}).join('');
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}
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asCaretChars() {
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return this.data.map((k) => {
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let c = String.fromCharCode(k.code);
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if (k.ctrl) {
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return '^' + c.toUpperCase();
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} else {
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return c;
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}
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}).join('');
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}
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}
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