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灯光亮度支持触控拖动

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zzh 2025-11-27 14:15:31 +08:00
parent f1bf8fd581
commit a9f61e0663
1 changed files with 35 additions and 15 deletions
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50
app/src/main/java/com/example/smarthome/ui/MainScaffold.kt
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@ -40,6 +40,7 @@ import android.view.SoundEffectConstants
import androidx.compose.foundation.horizontalScroll
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.gestures.detectTapGestures
import androidx.compose.foundation.gestures.detectHorizontalDragGestures
import androidx.compose.ui.input.pointer.pointerInput
import androidx.compose.foundation.layout.offset
import androidx.compose.ui.draw.rotate
@ -1342,23 +1343,47 @@ fun LightList(modifier: Modifier = Modifier) {
@Composable
fun DotsProgress(percent: Float, onPercentChange: (Float) -> Unit = {}, enabled: Boolean = true) {
val total = 12
Row(
horizontalArrangement = Arrangement.spacedBy(4.dp),
verticalAlignment = Alignment.CenterVertically,
modifier = Modifier.pointerInput(enabled) {
if (enabled) {
detectTapGestures { offset ->
// 计算点击的是第几个点
val dotWidth = 6.dp.toPx()
modifier = Modifier
.pointerInput(enabled) {
if (enabled) {
val dotWidth = 8.dp.toPx()
val spacing = 4.dp.toPx()
val totalWidth = (dotWidth + spacing) * total - spacing
val clickedIndex = ((offset.x / totalWidth) * total).toInt().coerceIn(0, total - 1)
// 更新百分比
val newPercent = (clickedIndex + 1).toFloat() / total
onPercentChange(newPercent)
// 支持拖动手势
detectHorizontalDragGestures(
onDragStart = { offset ->
// 开始拖动时立即更新
val newPercent = (offset.x / totalWidth).coerceIn(0f, 1f)
onPercentChange(newPercent)
},
onDragEnd = { },
onDragCancel = { },
onHorizontalDrag = { change, _ ->
change.consume()
val newPercent = (change.position.x / totalWidth).coerceIn(0f, 1f)
onPercentChange(newPercent)
}
)
}
}
.pointerInput(enabled) {
if (enabled) {
val dotWidth = 8.dp.toPx()
val spacing = 4.dp.toPx()
val totalWidth = (dotWidth + spacing) * total - spacing
// 也支持点击
detectTapGestures { offset ->
val newPercent = (offset.x / totalWidth).coerceIn(0f, 1f)
onPercentChange(newPercent)
}
}
}
}
) {
repeat(total) { i ->
val filled = i < (percent * total).toInt()
@ -1367,11 +1392,6 @@ fun DotsProgress(percent: Float, onPercentChange: (Float) -> Unit = {}, enabled:
.size(8.dp)
.clip(RoundedCornerShape(4.dp))
.background(if (filled) Color(0xFFA9F0FF) else Color(0xFF3A3A3A))
.clickable(enabled = enabled) {
// 点击某个点直接设置到该亮度
val newPercent = (i + 1).toFloat() / total
onPercentChange(newPercent)
}
)
}
}