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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package com.tailscale.ipn.ui.view
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// TODO(angott): must mention usage of com.patrykandpatrick.vico library in LICENSES
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import android.graphics.Typeface
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import androidx.compose.animation.AnimatedContent
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import androidx.compose.animation.SizeTransform
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import androidx.compose.animation.fadeIn
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import androidx.compose.animation.fadeOut
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import androidx.compose.animation.slideInVertically
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import androidx.compose.animation.slideOutVertically
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import androidx.compose.animation.togetherWith
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.shape.CircleShape
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import androidx.compose.material3.Icon
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.collectAsState
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.remember
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.alpha
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.res.painterResource
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.font.FontFamily
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.text.style.TextAlign
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import androidx.compose.ui.unit.dp
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import androidx.lifecycle.viewmodel.compose.viewModel
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import com.patrykandpatrick.vico.compose.axis.axisGuidelineComponent
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import com.patrykandpatrick.vico.compose.axis.horizontal.rememberBottomAxis
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import com.patrykandpatrick.vico.compose.axis.vertical.rememberStartAxis
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import com.patrykandpatrick.vico.compose.chart.Chart
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import com.patrykandpatrick.vico.compose.chart.line.lineChart
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import com.patrykandpatrick.vico.compose.component.shapeComponent
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import com.patrykandpatrick.vico.compose.component.textComponent
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import com.patrykandpatrick.vico.compose.dimensions.dimensionsOf
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import com.patrykandpatrick.vico.compose.m3.style.m3ChartStyle
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import com.patrykandpatrick.vico.compose.style.ProvideChartStyle
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import com.patrykandpatrick.vico.compose.style.currentChartStyle
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import com.patrykandpatrick.vico.core.axis.AxisItemPlacer
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import com.patrykandpatrick.vico.core.chart.copy
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import com.patrykandpatrick.vico.core.entry.FloatEntry
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import com.patrykandpatrick.vico.core.entry.entryModelOf
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import com.tailscale.ipn.R
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import com.tailscale.ipn.ui.model.Tailcfg
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import com.tailscale.ipn.ui.util.ConnectionMode
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import com.tailscale.ipn.ui.viewModel.PingViewModel
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import java.text.DecimalFormat
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@Composable
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fun PingView(model: PingViewModel = viewModel()) {
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val connectionMode: ConnectionMode by
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model.connectionMode.collectAsState(initial = ConnectionMode.NotConnected())
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val peer: Tailcfg.Node? by model.peer.collectAsState()
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val lastLatencyValue: String by model.lastLatencyValue.collectAsState()
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val pingValues: List<Double> by model.latencyValues.collectAsState()
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val chartEntryModel =
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entryModelOf(
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pingValues.withIndex().map { FloatEntry((it.index + 1).toFloat(), it.value.toFloat()) })
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val errorMessage: String? by model.errorMessage.collectAsState()
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Column(
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verticalArrangement = Arrangement.spacedBy(16.dp),
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modifier = Modifier.fillMaxWidth().padding(horizontal = 16.dp).padding(bottom = 36.dp)) {
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Row {
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Column {
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Text(
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stringResource(R.string.pinging_node_name, peer?.ComputedName ?: "???"),
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fontStyle = MaterialTheme.typography.titleLarge.fontStyle,
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fontWeight = FontWeight.Bold)
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if (pingValues.isNotEmpty()) {
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AnimatedContent(targetState = connectionMode, contentKey = { it.contentKey() }) {
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targetConnectionMode ->
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Row(horizontalArrangement = Arrangement.spacedBy(4.dp)) {
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Icon(
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painter = painterResource(id = targetConnectionMode.iconDrawable()),
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contentDescription = null,
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tint = targetConnectionMode.color())
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Text(
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targetConnectionMode.titleString(),
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fontSize = MaterialTheme.typography.bodySmall.fontSize,
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color = targetConnectionMode.color())
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}
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}
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}
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}
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AnimatedContent(
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targetState = lastLatencyValue,
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transitionSpec = {
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// The new value slides down and fades in, while the previous value slides down
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// and fades out.
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(slideInVertically { height -> -height } + fadeIn())
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.togetherWith(slideOutVertically { height -> height } + fadeOut())
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.using(SizeTransform(clip = false))
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}) { latency ->
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Text(
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latency,
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fontFamily = FontFamily.Monospace,
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fontSize = MaterialTheme.typography.titleLarge.fontSize,
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textAlign = TextAlign.Right,
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modifier = Modifier.fillMaxWidth())
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}
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}
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if (pingValues.isNotEmpty()) {
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ProvideChartStyle(chartStyle = m3ChartStyle()) {
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val defaultLines = currentChartStyle.lineChart.lines
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val circlePoint =
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shapeComponent(
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shape = CircleShape,
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color = MaterialTheme.colorScheme.background,
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strokeColor = MaterialTheme.colorScheme.surfaceTint,
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strokeWidth = 2.dp)
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Chart(
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chart =
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lineChart(
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remember(defaultLines) {
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defaultLines.map { defaultLine ->
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defaultLine.copy(point = circlePoint, pointSizeDp = 10.0F)
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}
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},
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spacing = 0.dp,
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),
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model = chartEntryModel,
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startAxis =
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rememberStartAxis(
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valueFormatter = { value, _ ->
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DecimalFormat("#;−#").format(value) + " ms"
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},
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itemPlacer = remember { AxisItemPlacer.Vertical.default(maxItemCount = 5) },
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label =
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textComponent(
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color = MaterialTheme.colorScheme.secondary,
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typeface = Typeface.MONOSPACE,
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padding = dimensionsOf(end = 8.dp)),
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guideline =
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axisGuidelineComponent(
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color = MaterialTheme.colorScheme.secondaryContainer)),
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bottomAxis =
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rememberBottomAxis(
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itemPlacer = remember { AxisItemPlacer.Horizontal.default(spacing = 1) },
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label =
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textComponent(
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color = MaterialTheme.colorScheme.secondary,
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typeface = Typeface.MONOSPACE,
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),
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guideline =
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axisGuidelineComponent(
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color = MaterialTheme.colorScheme.secondaryContainer)),
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)
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}
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} else {
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errorMessage?.also { error ->
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Column(
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horizontalAlignment = Alignment.CenterHorizontally,
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verticalArrangement =
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Arrangement.spacedBy(6.dp, alignment = Alignment.CenterVertically),
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modifier = Modifier.fillMaxWidth().height(200.dp)) {
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Icon(
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painter = painterResource(id = R.drawable.warning),
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modifier = Modifier.size(48.dp),
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contentDescription = null,
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tint = Color.Red)
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Text(
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stringResource(id = R.string.pingFailed),
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fontSize = MaterialTheme.typography.titleMedium.fontSize,
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fontFamily = MaterialTheme.typography.titleMedium.fontFamily,
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fontWeight = FontWeight.Bold,
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textAlign = TextAlign.Center,
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color = Color.Red)
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Text(
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error,
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textAlign = TextAlign.Center,
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color = Color.Red,
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)
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}
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}
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?: run {
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Column(
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modifier = Modifier.fillMaxWidth().height(200.dp),
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verticalArrangement = Arrangement.Center,
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horizontalAlignment = Alignment.CenterHorizontally) {
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TailscaleLogoView(
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true, usesOnBackgroundColors = false, Modifier.size(36.dp).alpha(0.4f))
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}
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}
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}
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}
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}
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fun Double.roundedString(decimals: Int): String = "%.${decimals}f".format(this)
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Andrea Gottardo
5 months ago
committed by