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