110 lines
3.9 KiB
TypeScript
110 lines
3.9 KiB
TypeScript
import React, { useRef, useLayoutEffect, useState, useEffect } from 'react';
|
|
import { ArrowUp, Square } from 'lucide-react';
|
|
import { AppState } from '../types';
|
|
|
|
interface InputSectionProps {
|
|
query: string;
|
|
setQuery: (q: string) => void;
|
|
onRun: () => void;
|
|
onStop: () => void;
|
|
appState: AppState;
|
|
}
|
|
|
|
const InputSection = ({ query, setQuery, onRun, onStop, appState }: InputSectionProps) => {
|
|
const textareaRef = useRef<HTMLTextAreaElement>(null);
|
|
const [isComposing, setIsComposing] = useState(false);
|
|
|
|
const adjustHeight = () => {
|
|
if (textareaRef.current) {
|
|
// Reset height to auto to allow shrinking when text is deleted
|
|
textareaRef.current.style.height = 'auto';
|
|
|
|
const scrollHeight = textareaRef.current.scrollHeight;
|
|
const maxHeight = 200;
|
|
|
|
// Set new height based on scrollHeight, capped at 200px
|
|
textareaRef.current.style.height = `${Math.min(scrollHeight, maxHeight)}px`;
|
|
|
|
// Only show scrollbar if we hit the max height limit
|
|
if (scrollHeight > maxHeight) {
|
|
textareaRef.current.style.overflowY = 'auto';
|
|
} else {
|
|
textareaRef.current.style.overflowY = 'hidden';
|
|
}
|
|
}
|
|
};
|
|
|
|
// Focus input on mount and when app becomes idle (e.g. after "New Chat" or completion)
|
|
useEffect(() => {
|
|
if (appState === 'idle' && textareaRef.current) {
|
|
textareaRef.current.focus();
|
|
}
|
|
}, [appState]);
|
|
|
|
// useLayoutEffect prevents visual flickering by adjusting height before paint
|
|
useLayoutEffect(() => {
|
|
adjustHeight();
|
|
}, [query]);
|
|
|
|
const handleKeyDown = (e: React.KeyboardEvent) => {
|
|
// If user presses Enter without Shift
|
|
if (e.key === 'Enter' && !e.shiftKey) {
|
|
// robust check for IME composition (e.g. Chinese/Japanese inputs)
|
|
if (isComposing || (e.nativeEvent as any).isComposing) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
if (query.trim() && appState === 'idle') {
|
|
onRun();
|
|
}
|
|
}
|
|
};
|
|
|
|
const isRunning = appState !== 'idle';
|
|
|
|
return (
|
|
<div className="w-full">
|
|
{/* Container: Flex items-end ensures button stays at bottom right as text grows */}
|
|
<div className="w-full flex items-end p-2 bg-white/70 backdrop-blur-xl border border-slate-200/50 rounded-[26px] shadow-2xl focus-within:ring-2 focus-within:ring-blue-500/20 focus-within:bg-white/90 transition-colors duration-200">
|
|
|
|
<textarea
|
|
ref={textareaRef}
|
|
value={query}
|
|
onChange={(e) => setQuery(e.target.value)}
|
|
onKeyDown={handleKeyDown}
|
|
onCompositionStart={() => setIsComposing(true)}
|
|
onCompositionEnd={() => setIsComposing(false)}
|
|
placeholder="Ask a complex question..."
|
|
rows={1}
|
|
autoFocus
|
|
className="flex-1 max-h-[200px] py-3 pl-4 pr-2 bg-transparent border-none focus:ring-0 resize-none outline-none text-slate-800 placeholder:text-slate-400 leading-relaxed custom-scrollbar text-base"
|
|
style={{ minHeight: '48px' }}
|
|
/>
|
|
|
|
<div className="flex-shrink-0 pb-0.5 pr-0.5">
|
|
{isRunning ? (
|
|
<button
|
|
onClick={onStop}
|
|
className="flex items-center justify-center w-10 h-10 rounded-full bg-slate-900 text-white hover:bg-slate-700 transition-colors shadow-md"
|
|
>
|
|
<Square size={14} className="fill-current" />
|
|
</button>
|
|
) : (
|
|
<button
|
|
onClick={() => {
|
|
if (query.trim()) onRun();
|
|
}}
|
|
disabled={!query.trim()}
|
|
className="flex items-center justify-center w-10 h-10 rounded-full bg-blue-600 text-white hover:bg-blue-700 disabled:bg-slate-200 disabled:text-slate-400 transition-all shadow-md hover:scale-105 active:scale-95"
|
|
>
|
|
<ArrowUp size={20} />
|
|
</button>
|
|
)}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
};
|
|
|
|
export default InputSection; |