1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "KeyboardHelper.h"
17 #include <X11/XKBlib.h>
18
GetKeyStateByKeyName(const std::string & keyName)19 short KeyboardHelper::GetKeyStateByKeyName(const std::string& keyName)
20 {
21 std::string name;
22 if (keyName == "CapsLock") {
23 name = "Caps Lock";
24 } else if (keyName == "NumLock") {
25 name = "Num Lock";
26 } else {
27 return -1;
28 }
29 Bool state;
30 Display* display = XOpenDisplay((char*)0);
31 Atom capsLock = XInternAtom(display, name.c_str(), False);
32 XkbGetNamedIndicator(display, capsLock, NULL, &state, NULL, NULL);
33 return state ? 1 : 0;
34 }