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Add Expert Mode debug screen for raw getevent output (issue #2081)
Creates a new debug screen accessible from Settings > Debugging that shows raw getevent output using the system bridge. Displays getevent -il on open (device info) and supports recording getevent -lt events via a red record/stop FAB. Output can be copied to clipboard or saved to file. Requires Expert Mode. https://claude.ai/code/session_01QG84he6gs9tqgY9QrFhtKb
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7 files changed

Lines changed: 485 additions & 0 deletions

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‎base/src/main/java/io/github/sds100/keymapper/base/BaseMainNavHost.kt‎

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@@ -27,6 +27,7 @@ import io.github.sds100.keymapper.base.constraints.ChooseConstraintScreen
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import io.github.sds100.keymapper.base.constraints.ChooseConstraintViewModel
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import io.github.sds100.keymapper.base.expertmode.ExpertModeScreen
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import io.github.sds100.keymapper.base.expertmode.ExpertModeSetupScreen
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import io.github.sds100.keymapper.base.debug.GetEventScreen
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import io.github.sds100.keymapper.base.logging.LogScreen
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import io.github.sds100.keymapper.base.onboarding.HandleAccessibilityServiceDialogs
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import io.github.sds100.keymapper.base.onboarding.SetupAccessibilityServiceDelegateImpl
@@ -165,6 +166,14 @@ fun BaseMainNavHost(
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)
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}
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composable<NavDestination.GetEvent> {
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GetEventScreen(
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modifier = Modifier.fillMaxSize(),
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viewModel = hiltViewModel(),
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onBackClick = { navController.popBackStack() },
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)
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}
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composable<NavDestination.ChooseSetting> {
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ChooseSettingScreen(
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modifier = Modifier.fillMaxSize(),

‎base/src/main/java/io/github/sds100/keymapper/base/debug/GetEventScreen.kt‎

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package io.github.sds100.keymapper.base.debug
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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.Spacer
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import androidx.compose.foundation.layout.calculateEndPadding
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import androidx.compose.foundation.layout.calculateStartPadding
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import androidx.compose.foundation.layout.displayCutoutPadding
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import androidx.compose.foundation.layout.fillMaxSize
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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.width
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import androidx.compose.foundation.rememberScrollState
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import androidx.compose.foundation.text.selection.SelectionContainer
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import androidx.compose.foundation.verticalScroll
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.automirrored.rounded.ArrowBack
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import androidx.compose.material.icons.outlined.ContentCopy
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import androidx.compose.material.icons.outlined.Delete
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import androidx.compose.material.icons.outlined.Share
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import androidx.compose.material.icons.rounded.FiberManualRecord
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import androidx.compose.material.icons.rounded.Stop
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import androidx.compose.material3.BottomAppBar
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import androidx.compose.material3.ButtonDefaults
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import androidx.compose.material3.ElevatedCard
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import androidx.compose.material3.ExperimentalMaterial3Api
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import androidx.compose.material3.FloatingActionButton
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import androidx.compose.material3.FloatingActionButtonDefaults
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import androidx.compose.material3.Icon
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import androidx.compose.material3.IconButton
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import androidx.compose.material3.LinearProgressIndicator
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import androidx.compose.material3.MaterialTheme
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import androidx.compose.material3.OutlinedButton
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import androidx.compose.material3.Scaffold
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import androidx.compose.material3.Surface
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import androidx.compose.material3.Text
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import androidx.compose.material3.TopAppBar
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.LaunchedEffect
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalLayoutDirection
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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.tooling.preview.Preview
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import androidx.compose.ui.unit.dp
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import androidx.hilt.navigation.compose.hiltViewModel
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import io.github.sds100.keymapper.base.R
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import io.github.sds100.keymapper.base.compose.KeyMapperTheme
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import io.github.sds100.keymapper.base.utils.ExpertModeStatus
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@Composable
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fun GetEventScreen(
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modifier: Modifier = Modifier,
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viewModel: GetEventViewModel = hiltViewModel(),
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onBackClick: () -> Unit,
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) {
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GetEventScreen(
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modifier = modifier,
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state = viewModel.state,
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onBackClick = onBackClick,
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onToggleRecordClick = viewModel::onToggleRecordClick,
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onClearClick = viewModel::onClearClick,
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onCopyToClipboardClick = viewModel::onCopyToClipboardClick,
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onSaveToFileClick = viewModel::onSaveToFileClick,
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onSetupExpertModeClick = viewModel::onSetupExpertModeClick,
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)
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}
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@OptIn(ExperimentalMaterial3Api::class)
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@Composable
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private fun GetEventScreen(
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modifier: Modifier = Modifier,
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state: GetEventViewModel.State,
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onBackClick: () -> Unit = {},
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onToggleRecordClick: () -> Unit = {},
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onClearClick: () -> Unit = {},
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onCopyToClipboardClick: () -> Unit = {},
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onSaveToFileClick: () -> Unit = {},
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onSetupExpertModeClick: () -> Unit = {},
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) {
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val hasOutput = state.output.isNotEmpty()
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Scaffold(
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modifier = modifier.displayCutoutPadding(),
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topBar = {
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TopAppBar(
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title = { Text(stringResource(R.string.title_debug_getevent)) },
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)
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},
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bottomBar = {
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BottomAppBar(
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floatingActionButton = {
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if (state.expertModeStatus == ExpertModeStatus.ENABLED) {
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val containerColor = if (state.isRecording) {
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MaterialTheme.colorScheme.errorContainer
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} else {
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MaterialTheme.colorScheme.primaryContainer
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}
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val contentColor = if (state.isRecording) {
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MaterialTheme.colorScheme.onErrorContainer
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} else {
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MaterialTheme.colorScheme.onPrimaryContainer
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}
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FloatingActionButton(
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onClick = onToggleRecordClick,
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containerColor = containerColor,
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contentColor = contentColor,
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elevation = FloatingActionButtonDefaults.bottomAppBarFabElevation(),
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) {
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if (state.isRecording) {
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Icon(
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imageVector = Icons.Rounded.Stop,
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contentDescription = stringResource(R.string.debug_getevent_stop_recording),
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)
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} else {
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Icon(
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imageVector = Icons.Rounded.FiberManualRecord,
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contentDescription = stringResource(R.string.debug_getevent_start_recording),
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)
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}
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}
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}
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},
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actions = {
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IconButton(onClick = onBackClick) {
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Icon(
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imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
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contentDescription = stringResource(R.string.action_go_back),
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)
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}
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Spacer(modifier = Modifier.weight(1f))
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IconButton(
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onClick = onCopyToClipboardClick,
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enabled = hasOutput,
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) {
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Icon(
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imageVector = Icons.Outlined.ContentCopy,
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contentDescription = stringResource(R.string.debug_getevent_copy),
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)
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}
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IconButton(
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onClick = onSaveToFileClick,
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enabled = hasOutput,
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) {
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Icon(
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imageVector = Icons.Outlined.Share,
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contentDescription = stringResource(R.string.debug_getevent_save),
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)
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}
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IconButton(
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onClick = onClearClick,
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enabled = hasOutput,
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) {
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Icon(
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imageVector = Icons.Outlined.Delete,
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contentDescription = stringResource(R.string.debug_getevent_clear),
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)
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}
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},
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)
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},
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) { innerPadding ->
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val layoutDirection = LocalLayoutDirection.current
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val startPadding = innerPadding.calculateStartPadding(layoutDirection)
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val endPadding = innerPadding.calculateEndPadding(layoutDirection)
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Surface(
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modifier = Modifier
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.fillMaxSize()
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.padding(
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top = innerPadding.calculateTopPadding(),
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bottom = innerPadding.calculateBottomPadding(),
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start = startPadding,
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end = endPadding,
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),
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) {
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Content(
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modifier = Modifier.fillMaxSize(),
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state = state,
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onSetupExpertModeClick = onSetupExpertModeClick,
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)
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}
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}
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}
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@Composable
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private fun Content(
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modifier: Modifier = Modifier,
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state: GetEventViewModel.State,
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onSetupExpertModeClick: () -> Unit,
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) {
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val scrollState = rememberScrollState()
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LaunchedEffect(state.output) {
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if (state.output.isNotEmpty()) {
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scrollState.animateScrollTo(scrollState.maxValue)
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}
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}
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Column(
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modifier = modifier
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.verticalScroll(scrollState)
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.padding(16.dp),
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verticalArrangement = Arrangement.spacedBy(16.dp),
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) {
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if (state.expertModeStatus != ExpertModeStatus.ENABLED) {
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ElevatedCard(modifier = Modifier.fillMaxWidth()) {
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Column(
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modifier = Modifier.padding(16.dp),
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verticalArrangement = Arrangement.spacedBy(8.dp),
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) {
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Text(
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text = stringResource(R.string.debug_getevent_expert_mode_required),
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style = MaterialTheme.typography.bodyMedium,
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)
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OutlinedButton(
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onClick = onSetupExpertModeClick,
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colors = ButtonDefaults.outlinedButtonColors(),
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) {
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Text(stringResource(R.string.action_shell_command_setup_expert_mode))
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}
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}
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}
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}
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if (state.isLoadingDeviceInfo) {
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LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
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}
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if (state.isRecording) {
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LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
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}
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if (state.output.isNotEmpty()) {
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SelectionContainer {
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Text(
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text = state.output,
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style = MaterialTheme.typography.bodySmall.copy(
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fontFamily = FontFamily.Monospace,
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),
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)
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}
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}
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Spacer(modifier = Modifier.height(8.dp))
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}
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}
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@Preview
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@Composable
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private fun PreviewWithOutput() {
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KeyMapperTheme {
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GetEventScreen(
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state = GetEventViewModel.State(
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output = "add device 1: /dev/input/event0\n name: \"gpio-keys\"\n\nadd device 2: /dev/input/event1\n name: \"sec_touchscreen\"",
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expertModeStatus = ExpertModeStatus.ENABLED,
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),
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)
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}
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}
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@Preview
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@Composable
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private fun PreviewRecording() {
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KeyMapperTheme {
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GetEventScreen(
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state = GetEventViewModel.State(
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output = "add device 1: /dev/input/event0\n name: \"gpio-keys\"",
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isRecording = true,
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expertModeStatus = ExpertModeStatus.ENABLED,
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),
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)
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}
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}
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@Preview
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@Composable
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private fun PreviewExpertModeDisabled() {
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KeyMapperTheme {
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GetEventScreen(
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state = GetEventViewModel.State(
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expertModeStatus = ExpertModeStatus.DISABLED,
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),
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)
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}
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}

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