diff --git a/src/client/app/common/hotkey.ts b/src/client/app/common/hotkey.ts new file mode 100644 index 0000000000..10cbeea543 --- /dev/null +++ b/src/client/app/common/hotkey.ts @@ -0,0 +1,79 @@ +import keyCode from './keycode'; + +const getKeyMap = keymap => Object.keys(keymap).map(input => { + const result = {} as any; + + const { keyup, keydown } = keymap[input]; + + input.split('+').forEach(keyName => { + switch (keyName.toLowerCase()) { + case 'ctrl': + case 'alt': + case 'shift': + case 'meta': + result[keyName] = true; + break; + default: + result.keyCode = keyCode(keyName); + } + }); + + result.callback = { + keydown: keydown || keymap[input], + keyup + }; + + return result; +}); + +const ignoreElemens = ['input', 'textarea']; + +export default { + install(Vue) { + Vue.directive('hotkey', { + bind(el, binding) { + el._hotkey_global = binding.modifiers.global === true; + + el._keymap = getKeyMap(binding.value); + + el.dataset.reservedKeyCodes = el._keymap.map(key => `'${key.keyCode}'`).join(' '); + + el._keyHandler = e => { + const reservedKeyCodes = document.activeElement ? ((document.activeElement as any).dataset || {}).reservedKeyCodes || '' : ''; + if (document.activeElement && ignoreElemens.some(el => document.activeElement.matches(el))) return; + + for (const hotkey of el._keymap) { + if (el._hotkey_global && reservedKeyCodes.includes(`'${e.keyCode}'`)) break; + + const callback = hotkey.keyCode === e.keyCode && + !!hotkey.ctrl === e.ctrlKey && + !!hotkey.alt === e.altKey && + !!hotkey.shift === e.shiftKey && + !!hotkey.meta === e.metaKey && + hotkey.callback[e.type]; + + if (callback) { + e.preventDefault(); + e.stopPropagation(); + callback(e); + } + } + }; + + if (el._hotkey_global) { + document.addEventListener('keydown', el._keyHandler); + } else { + el.addEventListener('keydown', el._keyHandler); + } + }, + + unbind(el) { + if (el._hotkey_global) { + document.removeEventListener('keydown', el._keyHandler); + } else { + el.removeEventListener('keydown', el._keyHandler); + } + } + }); + } +}; diff --git a/src/client/app/common/keycode.ts b/src/client/app/common/keycode.ts new file mode 100644 index 0000000000..c5ea6cb484 --- /dev/null +++ b/src/client/app/common/keycode.ts @@ -0,0 +1,139 @@ +export default searchInput => { + // Keyboard Events + if (searchInput && typeof searchInput === 'object') { + const hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode; + if (hasKeyCode) { + searchInput = hasKeyCode; + } + } + + // Numbers + // if (typeof searchInput === 'number') { + // return names[searchInput] + // } + + // Everything else (cast to string) + const search = String(searchInput); + + // check codes + const foundNamedKeyCodes = codes[search.toLowerCase()]; + if (foundNamedKeyCodes) { + return foundNamedKeyCodes; + } + + // check aliases + const foundNamedKeyAliases = aliases[search.toLowerCase()]; + if (foundNamedKeyAliases) { + return foundNamedKeyAliases; + } + + // weird character? + if (search.length === 1) { + return search.charCodeAt(0); + } + + return undefined; +}; + +/** + * Get by name + * + * exports.code['enter'] // => 13 + */ + +export const codes = { + 'backspace': 8, + 'tab': 9, + 'enter': 13, + 'shift': 16, + 'ctrl': 17, + 'alt': 18, + 'pause/break': 19, + 'caps lock': 20, + 'esc': 27, + 'space': 32, + 'page up': 33, + 'page down': 34, + 'end': 35, + 'home': 36, + 'left': 37, + 'up': 38, + 'right': 39, + 'down': 40, + // 'add': 43, + 'insert': 45, + 'delete': 46, + 'command': 91, + 'left command': 91, + 'right command': 93, + 'numpad *': 106, + // 'numpad +': 107, + 'numpad +': 43, + 'numpad add': 43, // as a trick + 'numpad -': 109, + 'numpad .': 110, + 'numpad /': 111, + 'num lock': 144, + 'scroll lock': 145, + 'my computer': 182, + 'my calculator': 183, + ';': 186, + '=': 187, + ',': 188, + '-': 189, + '.': 190, + '/': 191, + '`': 192, + '[': 219, + '\\': 220, + ']': 221, + "'": 222 +}; + +// Helper aliases + +export const aliases = { + 'windows': 91, + '⇧': 16, + '⌥': 18, + '⌃': 17, + '⌘': 91, + 'ctl': 17, + 'control': 17, + 'option': 18, + 'pause': 19, + 'break': 19, + 'caps': 20, + 'return': 13, + 'escape': 27, + 'spc': 32, + 'pgup': 33, + 'pgdn': 34, + 'ins': 45, + 'del': 46, + 'cmd': 91 +}; + +/*! +* Programatically add the following +*/ + +// lower case chars +for (let i = 97; i < 123; i++) { + codes[String.fromCharCode(i)] = i - 32; +} + +// numbers +for (let i = 48; i < 58; i++) { + codes[i - 48] = i; +} + +// function keys +for (let i = 1; i < 13; i++) { + codes['f' + i] = i + 111; +} + +// numpad keys +for (let i = 0; i < 10; i++) { + codes['numpad ' + i] = i + 96; +} diff --git a/src/client/app/common/views/components/reaction-picker.vue b/src/client/app/common/views/components/reaction-picker.vue index a4828c987b..58985658c6 100644 --- a/src/client/app/common/views/components/reaction-picker.vue +++ b/src/client/app/common/views/components/reaction-picker.vue @@ -1,5 +1,5 @@