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Merge pull request #1957 from billyvg/feat/add-ctrl-u-clear-line

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feat: Add `ctrl+u/k/w` hotkeys
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hydroflame 2021-12-18 14:35:12 -05:00 committed by GitHub
commit c723c7ecd2
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1 changed files with 51 additions and 13 deletions
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64
src/Terminal/ui/TerminalInput.tsx
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@ -48,12 +48,26 @@ export function TerminalInput({ terminal, router, player }: IProps): React.React
const terminalInput = useRef<HTMLInputElement>(null);
const [value, setValue] = useState(command);
const [postUpdateValue, setPostUpdateValue] = useState<{postUpdate: () => void} | null>()
const [possibilities, setPossibilities] = useState<string[]>([]);
const classes = useStyles();
function saveValue(value: string): void {
command = value;
setValue(value);
// Need to run after state updates, for example if we need to move cursor
// *after* we modify input
useEffect(() => {
if (postUpdateValue?.postUpdate) {
postUpdateValue.postUpdate();
setPostUpdateValue(null);
}
}, [postUpdateValue])
function saveValue(newValue: string, postUpdate?: () => void): void {
command = newValue;
setValue(newValue);
if (postUpdate) {
setPostUpdateValue({postUpdate});
}
}
function handleValueChange(event: React.ChangeEvent<HTMLInputElement>): void {
@ -76,24 +90,36 @@ export function TerminalInput({ terminal, router, player }: IProps): React.React
}
break;
case "deletewordbefore": // Delete rest of word before the cursor
for (let delStart = start - 1; delStart > 0; --delStart) {
if (inputText.charAt(delStart) === " ") {
saveValue(inputText.substr(0, delStart) + inputText.substr(start));
for (let delStart = start - 1; delStart > -2; --delStart) {
if ((inputText.charAt(delStart) === " " || delStart === -1) && delStart !== start - 1) {
saveValue(inputText.substr(0, delStart + 1) + inputText.substr(start), () => {
// Move cursor to correct location
// foo bar |baz bum --> foo |baz bum
const ref = terminalInput.current;
ref?.setSelectionRange(delStart+1, delStart+1);
});
return;
}
}
break;
case "deletewordafter": // Delete rest of word after the cursor
case "deletewordafter": // Delete rest of word after the cursor, including trailing space
for (let delStart = start + 1; delStart <= value.length + 1; ++delStart) {
if (inputText.charAt(delStart) === " ") {
saveValue(inputText.substr(0, start) + inputText.substr(delStart));
if (inputText.charAt(delStart) === " " || delStart === value.length + 1) {
saveValue(inputText.substr(0, start) + inputText.substr(delStart + 1), () => {
// Move cursor to correct location
// foo bar |baz bum --> foo bar |bum
const ref = terminalInput.current;
ref?.setSelectionRange(start, start)
});
return;
}
}
break;
case "clearafter": // Deletes everything after cursor
saveValue(inputText.substr(0, start));
break;
case "clearbefore:": // Deleetes everything before cursor
case "clearbefore": // Deletes everything before cursor
saveValue(inputText.substr(start), () => moveTextCursor("home"));
break;
}
}
@ -320,11 +346,23 @@ export function TerminalInput({ terminal, router, player }: IProps): React.React
event.preventDefault();
}
if (event.keyCode === KEY.W && event.ctrlKey) {
event.preventDefault();
modifyInput("deletewordbefore");
}
if (event.keyCode === KEY.U && event.ctrlKey) {
event.preventDefault();
modifyInput("clearbefore");
}
if (event.keyCode === KEY.K && event.ctrlKey) {
event.preventDefault();
modifyInput("clearafter");
}
// TODO AFTER THIS:
// alt + d deletes word after cursor
// ^w deletes word before cursor
// ^k clears line after cursor
// ^u clears line before cursor
}
}