net.peanuuutz.fork.ui.foundation.layout.Spacer.kt Maven / Gradle / Ivy

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/*
 * Copyright 2020 The Android Open Source Project
 * Modifications Copyright 2022 Peanuuutz
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.peanuuutz.fork.ui.foundation.layout

import androidx.compose.runtime.Composable
import net.peanuuutz.fork.ui.ui.layout.EmptyPlacement
import net.peanuuutz.fork.ui.ui.layout.Layout
import net.peanuuutz.fork.ui.ui.layout.MeasurePolicy
import net.peanuuutz.fork.ui.ui.layout.MeasureResult
import net.peanuuutz.fork.ui.ui.modifier.Modifier

@Composable
fun Spacer(modifier: Modifier = Modifier) {
    Layout(modifier = modifier, measurePolicy = SpacerMeasurePolicy)
}

// ======== Internal ========

private val SpacerMeasurePolicy: MeasurePolicy = MeasurePolicy { _, constraints ->
    val width = if (constraints.hasFixedWidth) constraints.minWidth else 0
    val height = if (constraints.hasFixedHeight) constraints.minHeight else 0
    MeasureResult(width, height, EmptyPlacement)
}