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keyguard-app-Bitwarden-Vaultwarden
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fix: Properly animate text field focused state for every font size

This commit is contained in:
Artem Chepurnoy 2024-03-30 11:28:21 +02:00
parent 8cd3b2bb40
commit 7c9d9c1022
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GPG Key ID: FAC37D0CF674043E
1 changed files with 67 additions and 34 deletions
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101
common/src/commonMain/kotlin/com/artemchep/keyguard/ui/TextItem.kt
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@ -37,7 +37,6 @@ import androidx.compose.material.icons.outlined.AutoAwesome
import androidx.compose.material.icons.outlined.Clear
import androidx.compose.material.icons.outlined.Email
import androidx.compose.material.icons.outlined.Password
import androidx.compose.material3.ExperimentalMaterial3Api
import androidx.compose.material3.Icon
import androidx.compose.material3.IconButton
import androidx.compose.material3.LocalContentColor
@ -71,6 +70,7 @@ import androidx.compose.ui.graphics.compositeOver
import androidx.compose.ui.graphics.graphicsLayer
import androidx.compose.ui.graphics.luminance
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.layout.Layout
import androidx.compose.ui.platform.testTag
import androidx.compose.ui.text.AnnotatedString
import androidx.compose.ui.text.TextStyle
@ -111,6 +111,8 @@ import kotlinx.coroutines.flow.flowOn
import kotlinx.coroutines.flow.map
import kotlinx.datetime.Clock
import kotlinx.datetime.Instant
import kotlin.math.max
import kotlin.math.roundToInt
@Composable
fun UrlFlatTextField(
@ -367,14 +369,13 @@ fun FlatTextField(
modifier = Modifier
.weight(1f),
) {
Box(
val focused = hasFocus || value.text.isNotEmpty()
TextFieldLabelLayout(
modifier = Modifier
.heightIn(min = 48.dp),
contentAlignment = Alignment.TopStart,
.heightIn(min = 50.dp),
expanded = focused,
) {
if (label != null) {
val focused = hasFocus || value.text.isNotEmpty()
val focusedTextSize = MaterialTheme.typography.bodySmall.fontSize.value
val normalTextSize = LocalTextStyle.current.fontSize.value
val textSize by animateFloatAsState(
@ -392,44 +393,26 @@ fun FlatTextField(
targetValue = if (focused) focusedTextColor else normalTextColor,
)
val padding by animateDpAsState(
targetValue = if (focused) 16.dp else 0.dp,
)
Box(
Text(
modifier = Modifier
.heightIn(min = 48.dp)
.fillMaxWidth()
.animateContentSize()
.graphicsLayer {
alpha = disabledAlphaState.value
translationY = -padding.value
},
contentAlignment = Alignment.CenterStart,
) {
Text(
modifier = Modifier
.fillMaxWidth(),
text = label,
fontSize = textSize.sp,
maxLines = 1,
color = textColor,
)
}
text = label,
fontSize = textSize.sp,
maxLines = 1,
color = textColor,
)
}
val focused = (hasFocus || value.text.isNotEmpty()) && label != null
val padding by animateDpAsState(
targetValue = if (focused) 8.dp else 0.dp,
)
val finalPlaceholder = placeholder ?: value.hint
PlainTextField(
modifier = fieldModifier
.fillMaxWidth()
.focusRequester2(fieldFocusRequester)
.heightIn(min = 48.dp),
boxModifier = boxModifier
.graphicsLayer {
translationY = padding.value
},
.focusRequester2(fieldFocusRequester),
boxModifier = boxModifier,
placeholder = if (finalPlaceholder != null) {
// composable
{
@ -644,6 +627,56 @@ private data class Afh(
val createdAt: Instant,
)
@Composable
private fun TextFieldLabelLayout(
modifier: Modifier = Modifier,
expanded: Boolean,
content: @Composable () -> Unit,
) {
val progress by animateFloatAsState(
targetValue = if (expanded) 1f else 0f,
)
Box(
modifier = modifier,
contentAlignment = Alignment.Center,
) {
Layout(
content = content,
) { measurables, constraints ->
val itemConstraints = constraints.copy(
minHeight = 0,
)
val placeables = measurables
.map { measurable ->
measurable.measure(itemConstraints)
}
val width = constraints.maxWidth
val height = kotlin.run {
val maxHeight = placeables
.maxOf { it.height }
if (placeables.size == 2) {
val (label, field) = placeables
val height = (label.height * progress).roundToInt() + field.height
max(height, maxHeight)
} else {
maxHeight
}
}
layout(width, height) {
if (placeables.size == 2) {
val (label, field) = placeables
label.placeRelative(0, 0)
field.placeRelative(0, (label.height * progress).roundToInt())
} else {
placeables.first()
.placeRelative(0, 0)
}
}
}
}
}
@Composable
fun PlainTextField(
value: String,