358 lines
12 KiB
Kotlin
358 lines
12 KiB
Kotlin
package eu.kanade.presentation.components
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import androidx.compose.foundation.interaction.MutableInteractionSource
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.RowScope
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.text.BasicTextField
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import androidx.compose.foundation.text.KeyboardActions
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import androidx.compose.foundation.text.KeyboardOptions
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import androidx.compose.material.TextFieldDefaults
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import androidx.compose.material.icons.Icons
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import androidx.compose.material.icons.outlined.ArrowBack
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import androidx.compose.material.icons.outlined.Close
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import androidx.compose.material.icons.outlined.MoreVert
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import androidx.compose.material.icons.outlined.Search
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import androidx.compose.material3.DropdownMenuItem
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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.MaterialTheme
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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.material3.TopAppBarDefaults
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import androidx.compose.material3.TopAppBarScrollBehavior
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import androidx.compose.material3.surfaceColorAtElevation
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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.runtime.derivedStateOf
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.key
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.focus.FocusRequester
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import androidx.compose.ui.focus.focusRequester
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import androidx.compose.ui.graphics.SolidColor
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import androidx.compose.ui.graphics.vector.ImageVector
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import androidx.compose.ui.platform.LocalFocusManager
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import androidx.compose.ui.platform.LocalSoftwareKeyboardController
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import androidx.compose.ui.res.stringResource
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import androidx.compose.ui.text.font.FontWeight
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import androidx.compose.ui.text.input.ImeAction
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import androidx.compose.ui.text.input.VisualTransformation
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import androidx.compose.ui.text.style.TextOverflow
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.sp
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import eu.kanade.presentation.util.runOnEnterKeyPressed
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import eu.kanade.presentation.util.secondaryItemAlpha
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import eu.kanade.tachiyomi.R
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@Composable
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fun AppBar(
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modifier: Modifier = Modifier,
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// Text
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title: String?,
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subtitle: String? = null,
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// Up button
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navigateUp: (() -> Unit)? = null,
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navigationIcon: ImageVector = Icons.Outlined.ArrowBack,
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// Menu
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actions: @Composable RowScope.() -> Unit = {},
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// Action mode
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actionModeCounter: Int = 0,
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onCancelActionMode: () -> Unit = {},
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actionModeActions: @Composable RowScope.() -> Unit = {},
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// Banners
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downloadedOnlyMode: Boolean = false,
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incognitoMode: Boolean = false,
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scrollBehavior: TopAppBarScrollBehavior? = null,
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) {
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val isActionMode by remember(actionModeCounter) {
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derivedStateOf { actionModeCounter > 0 }
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}
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AppBar(
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modifier = modifier,
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titleContent = {
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if (isActionMode) {
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AppBarTitle(actionModeCounter.toString())
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} else {
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AppBarTitle(title, subtitle)
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}
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},
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navigateUp = navigateUp,
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navigationIcon = navigationIcon,
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actions = {
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if (isActionMode) {
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actionModeActions()
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} else {
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actions()
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}
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},
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isActionMode = isActionMode,
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onCancelActionMode = onCancelActionMode,
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downloadedOnlyMode = downloadedOnlyMode,
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incognitoMode = incognitoMode,
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scrollBehavior = scrollBehavior,
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)
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}
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@Composable
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fun AppBar(
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modifier: Modifier = Modifier,
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// Title
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titleContent: @Composable () -> Unit,
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// Up button
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navigateUp: (() -> Unit)? = null,
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navigationIcon: ImageVector = Icons.Outlined.ArrowBack,
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// Menu
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actions: @Composable RowScope.() -> Unit = {},
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// Action mode
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isActionMode: Boolean = false,
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onCancelActionMode: () -> Unit = {},
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// Banners
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downloadedOnlyMode: Boolean = false,
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incognitoMode: Boolean = false,
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scrollBehavior: TopAppBarScrollBehavior? = null,
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) {
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Column(
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modifier = modifier,
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) {
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TopAppBar(
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navigationIcon = {
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if (isActionMode) {
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IconButton(onClick = onCancelActionMode) {
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Icon(
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imageVector = Icons.Outlined.Close,
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contentDescription = stringResource(R.string.action_cancel),
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)
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}
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} else {
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navigateUp?.let {
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IconButton(onClick = it) {
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Icon(
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imageVector = navigationIcon,
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contentDescription = stringResource(R.string.abc_action_bar_up_description),
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)
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}
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}
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}
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},
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title = titleContent,
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actions = actions,
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colors = TopAppBarDefaults.smallTopAppBarColors(
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containerColor = MaterialTheme.colorScheme.surfaceColorAtElevation(
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elevation = if (isActionMode) 3.dp else 0.dp,
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),
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),
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scrollBehavior = scrollBehavior,
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)
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AppStateBanners(downloadedOnlyMode, incognitoMode)
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}
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}
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@Composable
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fun AppBarTitle(
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title: String?,
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subtitle: String? = null,
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) {
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Column {
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title?.let {
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Text(
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text = it,
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maxLines = 1,
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overflow = TextOverflow.Ellipsis,
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)
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}
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subtitle?.let {
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Text(
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text = it,
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style = MaterialTheme.typography.bodyMedium,
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maxLines = 1,
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overflow = TextOverflow.Ellipsis,
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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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fun AppBarActions(
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actions: List<AppBar.AppBarAction>,
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) {
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var showMenu by remember { mutableStateOf(false) }
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actions.filterIsInstance<AppBar.Action>().map {
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IconButton(
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onClick = it.onClick,
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enabled = it.enabled,
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) {
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Icon(
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imageVector = it.icon,
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contentDescription = it.title,
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)
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}
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}
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val overflowActions = actions.filterIsInstance<AppBar.OverflowAction>()
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if (overflowActions.isNotEmpty()) {
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IconButton(onClick = { showMenu = !showMenu }) {
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Icon(Icons.Outlined.MoreVert, contentDescription = stringResource(R.string.abc_action_menu_overflow_description))
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}
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DropdownMenu(
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expanded = showMenu,
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onDismissRequest = { showMenu = false },
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) {
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overflowActions.map {
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DropdownMenuItem(
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onClick = {
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it.onClick()
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showMenu = false
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},
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text = { Text(it.title, fontWeight = FontWeight.Normal) },
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)
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}
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}
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}
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}
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/**
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* @param searchEnabled Set to false if you don't want to show search action.
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* @param searchQuery If null, use normal toolbar.
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* @param placeholderText If null, [R.string.action_search_hint] is used.
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*/
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@Composable
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fun SearchToolbar(
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titleContent: @Composable () -> Unit = {},
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navigateUp: (() -> Unit)? = null,
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searchEnabled: Boolean = true,
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searchQuery: String?,
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onChangeSearchQuery: (String?) -> Unit,
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placeholderText: String? = null,
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onSearch: (String) -> Unit = {},
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onClickCloseSearch: () -> Unit = { onChangeSearchQuery(null) },
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actions: @Composable RowScope.() -> Unit = {},
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incognitoMode: Boolean = false,
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downloadedOnlyMode: Boolean = false,
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scrollBehavior: TopAppBarScrollBehavior? = null,
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visualTransformation: VisualTransformation = VisualTransformation.None,
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interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
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) {
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val focusRequester = remember { FocusRequester() }
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var searchClickCount by remember { mutableStateOf(0) }
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AppBar(
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titleContent = {
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if (searchQuery == null) return@AppBar titleContent()
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val keyboardController = LocalSoftwareKeyboardController.current
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val focusManager = LocalFocusManager.current
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val searchAndClearFocus: () -> Unit = {
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onSearch(searchQuery)
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focusManager.clearFocus()
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keyboardController?.hide()
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}
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BasicTextField(
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value = searchQuery,
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onValueChange = onChangeSearchQuery,
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modifier = Modifier
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.fillMaxWidth()
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.focusRequester(focusRequester)
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.runOnEnterKeyPressed(action = searchAndClearFocus),
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textStyle = MaterialTheme.typography.titleMedium.copy(
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color = MaterialTheme.colorScheme.onBackground,
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fontWeight = FontWeight.Normal,
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fontSize = 18.sp,
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),
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keyboardOptions = KeyboardOptions(imeAction = ImeAction.Search),
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keyboardActions = KeyboardActions(onSearch = { searchAndClearFocus() }),
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singleLine = true,
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cursorBrush = SolidColor(MaterialTheme.colorScheme.onBackground),
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visualTransformation = visualTransformation,
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interactionSource = interactionSource,
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decorationBox = { innerTextField ->
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TextFieldDefaults.TextFieldDecorationBox(
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value = searchQuery,
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innerTextField = innerTextField,
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enabled = true,
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singleLine = true,
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visualTransformation = visualTransformation,
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interactionSource = interactionSource,
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placeholder = {
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(placeholderText ?: stringResource(R.string.action_search_hint)).let { placeholderText ->
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Text(
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modifier = Modifier.secondaryItemAlpha(),
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text = placeholderText,
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maxLines = 1,
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overflow = TextOverflow.Ellipsis,
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style = MaterialTheme.typography.titleMedium.copy(
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fontSize = 18.sp,
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fontWeight = FontWeight.Normal,
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),
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)
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}
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},
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)
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},
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)
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},
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navigateUp = if (searchQuery == null) navigateUp else onClickCloseSearch,
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actions = {
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key("search") {
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val onClick = {
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searchClickCount++
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onChangeSearchQuery("")
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}
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if (!searchEnabled) {
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// Don't show search action
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} else if (searchQuery == null) {
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IconButton(onClick) {
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Icon(Icons.Outlined.Search, contentDescription = stringResource(R.string.action_search))
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}
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} else if (searchQuery.isNotEmpty()) {
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IconButton(onClick) {
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Icon(Icons.Outlined.Close, contentDescription = stringResource(R.string.action_reset))
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}
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}
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}
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key("actions") { actions() }
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},
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isActionMode = false,
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downloadedOnlyMode = downloadedOnlyMode,
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incognitoMode = incognitoMode,
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scrollBehavior = scrollBehavior,
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)
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LaunchedEffect(searchClickCount) {
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if (searchQuery == null) return@LaunchedEffect
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try {
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focusRequester.requestFocus()
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} catch (_: Throwable) {
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// TextField is gone
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}
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}
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}
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sealed interface AppBar {
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sealed interface AppBarAction
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data class Action(
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val title: String,
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val icon: ImageVector,
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val onClick: () -> Unit,
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val enabled: Boolean = true,
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) : AppBarAction
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data class OverflowAction(
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val title: String,
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val onClick: () -> Unit,
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) : AppBarAction
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}
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