你可以通过这样的方式来实现你的目标：

import android.util.Log
import androidx.compose.foundation.clickable
import androidx.compose.foundation.interaction.MutableInteractionSource
import androidx.compose.foundation.interaction.PressInteraction
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.width
import androidx.compose.material.Card
import androidx.compose.material.ExperimentalMaterialApi
import androidx.compose.material.Text
import androidx.compose.material.TextField
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import kotlin.math.log

private const val TAG = "InputBar"

@OptIn(ExperimentalMaterialApi::class)
@Composable
fun InputBar(
    hint: String,
    onClick: () -> Unit
) {
    var isFillMaxWidth by remember { mutableStateOf(false) }
    val isExpandModifier = remember(isFillMaxWidth){
        Modifier
            .height(44.dp)
            .then(
                if (isFillMaxWidth) {
                    Log.i(TAG, "InputBar: fillMaxWidth")
                    Modifier.fillMaxWidth()
                } else {
                    Log.i(TAG, "InputBar: 150")
                    Modifier.width(150.dp)
                }

            )}
    Card(
        modifier = isExpandModifier,
    ) {
        Row(modifier = Modifier.fillMaxWidth()) {
            TextField(
                value = "",
                onValueChange = {

                },
                placeholder = { Text(hint) },
                interactionSource = remember { MutableInteractionSource() }
                    .also { interactionSource ->
                        LaunchedEffect(interactionSource) {
                            interactionSource.interactions.collect {
                                if (it is PressInteraction.Release) {
                                    // works like onClick
                                    isFillMaxWidth = !isFillMaxWidth
                                    Log.i(TAG, "InputBar: onClick")
                                }
                            }
                        }
                    }
            )
        }
    }
}