monaco-editor-core
Version:
A browser based code editor
109 lines (108 loc) • 4.14 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { decodeKeybinding } from '../../../base/common/keybindings.js';
import { OS } from '../../../base/common/platform.js';
import { CommandsRegistry } from '../../commands/common/commands.js';
import { Registry } from '../../registry/common/platform.js';
import { combinedDisposable, DisposableStore, toDisposable } from '../../../base/common/lifecycle.js';
import { LinkedList } from '../../../base/common/linkedList.js';
/**
* Stores all built-in and extension-provided keybindings (but not ones that user defines themselves)
*/
class KeybindingsRegistryImpl {
constructor() {
this._coreKeybindings = new LinkedList();
this._extensionKeybindings = [];
this._cachedMergedKeybindings = null;
}
/**
* Take current platform into account and reduce to primary & secondary.
*/
static bindToCurrentPlatform(kb) {
if (OS === 1 /* OperatingSystem.Windows */) {
if (kb && kb.win) {
return kb.win;
}
}
else if (OS === 2 /* OperatingSystem.Macintosh */) {
if (kb && kb.mac) {
return kb.mac;
}
}
else {
if (kb && kb.linux) {
return kb.linux;
}
}
return kb;
}
registerKeybindingRule(rule) {
const actualKb = KeybindingsRegistryImpl.bindToCurrentPlatform(rule);
const result = new DisposableStore();
if (actualKb && actualKb.primary) {
const kk = decodeKeybinding(actualKb.primary, OS);
if (kk) {
result.add(this._registerDefaultKeybinding(kk, rule.id, rule.args, rule.weight, 0, rule.when));
}
}
if (actualKb && Array.isArray(actualKb.secondary)) {
for (let i = 0, len = actualKb.secondary.length; i < len; i++) {
const k = actualKb.secondary[i];
const kk = decodeKeybinding(k, OS);
if (kk) {
result.add(this._registerDefaultKeybinding(kk, rule.id, rule.args, rule.weight, -i - 1, rule.when));
}
}
}
return result;
}
registerCommandAndKeybindingRule(desc) {
return combinedDisposable(this.registerKeybindingRule(desc), CommandsRegistry.registerCommand(desc));
}
_registerDefaultKeybinding(keybinding, commandId, commandArgs, weight1, weight2, when) {
const remove = this._coreKeybindings.push({
keybinding: keybinding,
command: commandId,
commandArgs: commandArgs,
when: when,
weight1: weight1,
weight2: weight2,
extensionId: null,
isBuiltinExtension: false
});
this._cachedMergedKeybindings = null;
return toDisposable(() => {
remove();
this._cachedMergedKeybindings = null;
});
}
getDefaultKeybindings() {
if (!this._cachedMergedKeybindings) {
this._cachedMergedKeybindings = Array.from(this._coreKeybindings).concat(this._extensionKeybindings);
this._cachedMergedKeybindings.sort(sorter);
}
return this._cachedMergedKeybindings.slice(0);
}
}
export const KeybindingsRegistry = new KeybindingsRegistryImpl();
// Define extension point ids
export const Extensions = {
EditorModes: 'platform.keybindingsRegistry'
};
Registry.add(Extensions.EditorModes, KeybindingsRegistry);
function sorter(a, b) {
if (a.weight1 !== b.weight1) {
return a.weight1 - b.weight1;
}
if (a.command && b.command) {
if (a.command < b.command) {
return -1;
}
if (a.command > b.command) {
return 1;
}
}
return a.weight2 - b.weight2;
}