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.397395619494580:ebd7c333cfea793d40328e7a426b2e12_69e0c8afeebc690f3d63adea.69e0cf96eebc690f3d63aeb2.69e0cf953618a4cfdcfad5bf:Trae CN.T(2026/4/16 20:01:26) #24

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.397395619494580:ebd7c333cfea793d40328e7a426b2e12_69e0c8afeebc690f3d63adea.69e0cf96eebc690f3d63aeb2.69e0cf953618a4cfdcfad5bf:Trae CN.T(2026/4/16 20:01:26) #24

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4160827
feat(输入框): 添加令牌计数显示功能
yangou-hash Apr 16, 2026
c1ef419
feat(PromptInput): 添加对粘贴内容引用的令牌计算支持
yangou-hash Apr 16, 2026
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61 changes: 60 additions & 1 deletion src/components/PromptInput/PromptInput.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,8 @@ import { useMaybeTruncateInput } from './useMaybeTruncateInput.js';
import { usePromptInputPlaceholder } from './usePromptInputPlaceholder.js';
import { useShowFastIconHint } from './useShowFastIconHint.js';
import { useSwarmBanner } from './useSwarmBanner.js';
import { expandPastedTextRefs, parseReferences } from '../../history.js';
import { roughTokenCountEstimation } from '../../services/tokenEstimation.js';
import { isNonSpacePrintable, isVimModeEnabled } from './utils.js';
type Props = {
debug: boolean;
Expand Down Expand Up @@ -250,6 +252,63 @@ function PromptInput({
show: false
});
const [cursorOffset, setCursorOffset] = useState<number>(input.length);

const calculateTotalTokens = useCallback((text: string, contents: Record<number, PastedContent>): number => {
const expandedText = expandPastedTextRefs(text, contents);
let tokens = roughTokenCountEstimation(expandedText);

const refs = parseReferences(text);
for (const ref of refs) {
const content = contents[ref.id];
if (content?.type === 'image') {
tokens += 2000;
}
}

return tokens;
}, []);

const [tokenCount, setTokenCount] = useState<number>(
input.length === 0 ? 0 : calculateTotalTokens(input, pastedContents)
);
const [isCalculatingTokens, setIsCalculatingTokens] = useState(false);
const tokenDebounceTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);

useEffect(() => {
if (tokenDebounceTimerRef.current) {
clearTimeout(tokenDebounceTimerRef.current);
tokenDebounceTimerRef.current = null;
}

if (input.length === 0) {
setTokenCount(0);
setIsCalculatingTokens(false);
return;
}

setIsCalculatingTokens(true);

tokenDebounceTimerRef.current = setTimeout(() => {
const tokens = calculateTotalTokens(input, pastedContents);
setTokenCount(tokens);
setIsCalculatingTokens(false);
tokenDebounceTimerRef.current = null;
}, 300);

return () => {
if (tokenDebounceTimerRef.current) {
clearTimeout(tokenDebounceTimerRef.current);
}
};
}, [input, pastedContents, calculateTotalTokens]);

useEffect(() => {
return () => {
if (tokenDebounceTimerRef.current) {
clearTimeout(tokenDebounceTimerRef.current);
}
};
}, []);
// Track the last input value set via internal handlers so we can detect
// external input changes (e.g. speech-to-text injection) and move cursor to end.
const lastInternalInputRef = React.useRef(input);
Expand Down Expand Up @@ -2271,7 +2330,7 @@ function PromptInput({
{textInputElement}
</Box>
</Box>}
<PromptInputFooter apiKeyStatus={apiKeyStatus} debug={debug} exitMessage={exitMessage} vimMode={isVimModeEnabled() ? vimMode : undefined} mode={mode} autoUpdaterResult={autoUpdaterResult} isAutoUpdating={isAutoUpdating} verbose={verbose} onAutoUpdaterResult={onAutoUpdaterResult} onChangeIsUpdating={setIsAutoUpdating} suggestions={suggestions} selectedSuggestion={selectedSuggestion} maxColumnWidth={maxColumnWidth} toolPermissionContext={effectiveToolPermissionContext} helpOpen={helpOpen} suppressHint={input.length > 0} isLoading={isLoading} tasksSelected={tasksSelected} teamsSelected={teamsSelected} bridgeSelected={bridgeSelected} tmuxSelected={tmuxSelected} teammateFooterIndex={teammateFooterIndex} ideSelection={ideSelection} mcpClients={mcpClients} isPasting={isPasting} isInputWrapped={isInputWrapped} messages={messages} isSearching={isSearchingHistory} historyQuery={historyQuery} setHistoryQuery={setHistoryQuery} historyFailedMatch={historyFailedMatch} onOpenTasksDialog={isFullscreenEnvEnabled() ? handleOpenTasksDialog : undefined} />
<PromptInputFooter apiKeyStatus={apiKeyStatus} debug={debug} exitMessage={exitMessage} vimMode={isVimModeEnabled() ? vimMode : undefined} mode={mode} autoUpdaterResult={autoUpdaterResult} isAutoUpdating={isAutoUpdating} verbose={verbose} onAutoUpdaterResult={onAutoUpdaterResult} onChangeIsUpdating={setIsAutoUpdating} suggestions={suggestions} selectedSuggestion={selectedSuggestion} maxColumnWidth={maxColumnWidth} toolPermissionContext={effectiveToolPermissionContext} helpOpen={helpOpen} suppressHint={input.length > 0} isLoading={isLoading} tasksSelected={tasksSelected} teamsSelected={teamsSelected} bridgeSelected={bridgeSelected} tmuxSelected={tmuxSelected} teammateFooterIndex={teammateFooterIndex} ideSelection={ideSelection} mcpClients={mcpClients} isPasting={isPasting} isInputWrapped={isInputWrapped} messages={messages} isSearching={isSearchingHistory} historyQuery={historyQuery} setHistoryQuery={setHistoryQuery} historyFailedMatch={historyFailedMatch} onOpenTasksDialog={isFullscreenEnvEnabled() ? handleOpenTasksDialog : undefined} tokenCount={tokenCount} isCalculatingTokens={isCalculatingTokens} />
{isFullscreenEnvEnabled() ? null : autoModeOptInDialog}
{isFullscreenEnvEnabled() ?
// position=absolute takes zero layout height so the spinner
Expand Down
9 changes: 8 additions & 1 deletion src/components/PromptInput/PromptInputFooter.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ type Props = {
setHistoryQuery: (query: string) => void;
historyFailedMatch: boolean;
onOpenTasksDialog?: (taskId?: string) => void;
tokenCount: number;
isCalculatingTokens: boolean;
};
function PromptInputFooter({
apiKeyStatus,
Expand Down Expand Up @@ -92,7 +94,9 @@ function PromptInputFooter({
historyQuery,
setHistoryQuery,
historyFailedMatch,
onOpenTasksDialog
onOpenTasksDialog,
tokenCount,
isCalculatingTokens
}: Props): ReactNode {
const settings = useSettings();
const {
Expand Down Expand Up @@ -142,6 +146,9 @@ function PromptInputFooter({
<PromptInputFooterLeftSide exitMessage={exitMessage} vimMode={vimMode} mode={mode} toolPermissionContext={toolPermissionContext} suppressHint={suppressHint} isLoading={isLoading} tasksSelected={pillSelected} teamsSelected={teamsSelected} teammateFooterIndex={teammateFooterIndex} tmuxSelected={tmuxSelected} isPasting={isPasting} isSearching={isSearching} historyQuery={historyQuery} setHistoryQuery={setHistoryQuery} historyFailedMatch={historyFailedMatch} onOpenTasksDialog={onOpenTasksDialog} />
</Box>
<Box flexShrink={1} gap={1}>
<Text dimColor>
{isCalculatingTokens ? '...' : `${tokenCount} tokens`}
</Text>
{isFullscreen ? null : <Notifications apiKeyStatus={apiKeyStatus} autoUpdaterResult={autoUpdaterResult} debug={debug} isAutoUpdating={isAutoUpdating} verbose={verbose} messages={messages} onAutoUpdaterResult={onAutoUpdaterResult} onChangeIsUpdating={onChangeIsUpdating} ideSelection={ideSelection} mcpClients={mcpClients} isInputWrapped={isInputWrapped} isNarrow={isNarrow} />}
{"external" === 'ant' && isUndercover() && <Text dimColor>undercover</Text>}
<BridgeStatusIndicator bridgeSelected={bridgeSelected} />
Expand Down