element-web/src/Keyboard.js
lukebarnard d5e2a73d99 Add alt condition back in, rename to specify igorance of shift
because this is really what this function is for - we want to
ignore specifically shift but not necessarily alt (despite
this probably not having any real impact).
2018-01-04 12:06:19 +00:00

79 lines
1.8 KiB
JavaScript

/*
Copyright 2016 OpenMarket Ltd
Copyright 2017 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/* a selection of key codes, as used in KeyboardEvent.keyCode */
export const KeyCode = {
BACKSPACE: 8,
TAB: 9,
ENTER: 13,
SHIFT: 16,
ESCAPE: 27,
SPACE: 32,
PAGE_UP: 33,
PAGE_DOWN: 34,
END: 35,
HOME: 36,
LEFT: 37,
UP: 38,
RIGHT: 39,
DOWN: 40,
DELETE: 46,
KEY_A: 65,
KEY_B: 66,
KEY_C: 67,
KEY_D: 68,
KEY_E: 69,
KEY_F: 70,
KEY_G: 71,
KEY_H: 72,
KEY_I: 73,
KEY_J: 74,
KEY_K: 75,
KEY_L: 76,
KEY_M: 77,
KEY_N: 78,
KEY_O: 79,
KEY_P: 80,
KEY_Q: 81,
KEY_R: 82,
KEY_S: 83,
KEY_T: 84,
KEY_U: 85,
KEY_V: 86,
KEY_W: 87,
KEY_X: 88,
KEY_Y: 89,
KEY_Z: 90,
};
export function isOnlyCtrlOrCmdKeyEvent(ev) {
const isMac = navigator.platform.toUpperCase().indexOf('MAC') >= 0;
if (isMac) {
return ev.metaKey && !ev.altKey && !ev.ctrlKey && !ev.shiftKey;
} else {
return ev.ctrlKey && !ev.altKey && !ev.metaKey && !ev.shiftKey;
}
}
export function isOnlyCtrlOrCmdIgnoreShiftKeyEvent(ev) {
const isMac = navigator.platform.toUpperCase().indexOf('MAC') >= 0;
if (isMac) {
return ev.metaKey && !ev.altKey && !ev.ctrlKey;
} else {
return ev.ctrlKey && !ev.altKey && !ev.metaKey;
}
}