Slider.kt
/*
* Copyright 2023 The Android Open Source Project
*
* 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 androidx.wear.compose.materialcore
import androidx.annotation.RestrictTo
import androidx.compose.foundation.LocalIndication
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.fillMaxHeight
import androidx.compose.foundation.layout.width
import androidx.compose.runtime.Composable
import androidx.compose.runtime.State
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.drawWithContent
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.drawscope.DrawScope
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.LayoutDirection
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
@Composable
public fun InlineSliderButton(
enabled: Boolean,
onClick: () -> Unit,
contentAlignment: Alignment,
buttonControlSize: Dp,
modifier: Modifier,
content: @Composable () -> Unit
) {
Box(
modifier = Modifier
.width(buttonControlSize)
.fillMaxHeight()
.repeatableClickable(
enabled = enabled,
onClick = onClick,
interactionSource = null,
indication = LocalIndication.current
)
.then(modifier),
contentAlignment = contentAlignment
) {
content()
}
}
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public fun Modifier.drawProgressBar(
selectedBarColor: State<Color>,
unselectedBarColor: State<Color>,
barSeparatorColor: State<Color>,
visibleSegments: Int,
valueRatio: Float,
direction: LayoutDirection,
drawSelectedProgressBar:
(color: Color, valueRatio: Float, direction: LayoutDirection, drawScope: DrawScope) -> Unit,
drawUnselectedProgressBar:
(color: Color, valueRatio: Float, direction: LayoutDirection, drawScope: DrawScope) -> Unit,
drawProgressBarSeparator: (color: Color, position: Float, drawScope: DrawScope) -> Unit,
): Modifier = drawWithContent {
drawUnselectedProgressBar(unselectedBarColor.value, valueRatio, direction, this)
drawSelectedProgressBar(selectedBarColor.value, valueRatio, direction, this)
for (separator in 1 until visibleSegments) {
val x = separator * size.width / visibleSegments
drawProgressBarSeparator(barSeparatorColor.value, x, this)
}
}
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public fun <T> directedValue(layoutDirection: LayoutDirection, ltrValue: T, rtlValue: T): T =
if (layoutDirection == LayoutDirection.Ltr) ltrValue else rtlValue