77 lines
2.7 KiB
Kotlin
77 lines
2.7 KiB
Kotlin
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package eu.kanade.presentation.util
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import androidx.compose.foundation.combinedClickable
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import androidx.compose.foundation.interaction.MutableInteractionSource
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import androidx.compose.material3.LocalMinimumTouchTargetEnforcement
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import androidx.compose.runtime.remember
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.composed
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import androidx.compose.ui.draw.alpha
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import androidx.compose.ui.layout.LayoutModifier
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import androidx.compose.ui.layout.Measurable
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import androidx.compose.ui.layout.MeasureResult
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import androidx.compose.ui.layout.MeasureScope
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import androidx.compose.ui.platform.LocalViewConfiguration
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import androidx.compose.ui.platform.debugInspectorInfo
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import androidx.compose.ui.unit.Constraints
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import androidx.compose.ui.unit.DpSize
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import kotlin.math.roundToInt
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fun Modifier.secondaryItemAlpha(): Modifier = this.alpha(.78f)
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fun Modifier.clickableNoIndication(
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onLongClick: (() -> Unit)? = null,
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onClick: () -> Unit,
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): Modifier = composed {
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this.combinedClickable(
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interactionSource = remember { MutableInteractionSource() },
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indication = null,
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onLongClick = onLongClick,
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onClick = onClick,
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)
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}
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@Suppress("ModifierInspectorInfo")
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fun Modifier.minimumTouchTargetSize(): Modifier = composed(
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inspectorInfo = debugInspectorInfo {
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name = "minimumTouchTargetSize"
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properties["README"] = "Adds outer padding to measure at least 48.dp (default) in " +
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"size to disambiguate touch interactions if the element would measure smaller"
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},
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) {
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if (LocalMinimumTouchTargetEnforcement.current) {
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val size = LocalViewConfiguration.current.minimumTouchTargetSize
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MinimumTouchTargetModifier(size)
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} else {
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Modifier
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}
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}
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private class MinimumTouchTargetModifier(val size: DpSize) : LayoutModifier {
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override fun MeasureScope.measure(
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measurable: Measurable,
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constraints: Constraints,
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): MeasureResult {
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val placeable = measurable.measure(constraints)
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// Be at least as big as the minimum dimension in both dimensions
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val width = maxOf(placeable.width, size.width.roundToPx())
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val height = maxOf(placeable.height, size.height.roundToPx())
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return layout(width, height) {
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val centerX = ((width - placeable.width) / 2f).roundToInt()
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val centerY = ((height - placeable.height) / 2f).roundToInt()
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placeable.place(centerX, centerY)
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}
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}
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override fun equals(other: Any?): Boolean {
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val otherModifier = other as? MinimumTouchTargetModifier ?: return false
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return size == otherModifier.size
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}
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override fun hashCode(): Int {
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return size.hashCode()
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}
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}
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