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fix(recorder): 修复日期记录器多选模式下拖动多选中断问题

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This commit is contained in:
xfy 2026-07-23 14:42:49 +08:00
parent c6377d85f9
commit c3510cde39
1 changed files with 26 additions and 15 deletions
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41
core/src/main/kotlin/plus/rua/project/ui/DateRecorderScreen.kt
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@ -53,6 +53,8 @@ import androidx.compose.material.icons.filled.Delete
import androidx.compose.material.icons.filled.PhotoCamera
import androidx.compose.material.icons.filled.Sort
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.getValue
import androidx.compose.runtime.rememberUpdatedState
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.graphics.graphicsLayer
import androidx.compose.ui.input.pointer.pointerInput
@ -364,15 +366,17 @@ private fun RecordGrid(
val gridState = rememberLazyGridState()
val coroutineScope = rememberCoroutineScope()
var initialDragIndex by remember { mutableStateOf<Int?>(null) }
var initialSelectedIds by remember { mutableStateOf<Set<Long>>(emptySet()) }
val currentRecords by rememberUpdatedState(records)
val currentSelectionMode by rememberUpdatedState(selectionMode)
val currentSelectedIds by rememberUpdatedState(selectedIds)
val currentOnSetSelectedIds by rememberUpdatedState(onSetSelectedIds)
LazyVerticalGrid(
state = gridState,
columns = GridCells.Adaptive(minSize = 100.dp),
modifier = Modifier
.fillMaxSize()
.pointerInput(records, selectionMode, selectedIds) {
.pointerInput(Unit) {
awaitEachGesture {
val down = awaitFirstDown(pass = PointerEventPass.Initial, requireUnconsumed = false)
val startOffset = down.position
@ -381,7 +385,7 @@ private fun RecordGrid(
var isDragSelecting = false
var isScrolling = false
val initialSelected = if (selectionMode) selectedIds else emptySet()
val initialSelected = if (currentSelectionMode) currentSelectedIds else emptySet()
while (true) {
val event = awaitPointerEvent(pass = PointerEventPass.Initial)
@ -389,25 +393,32 @@ private fun RecordGrid(
if (!pointerChange.pressed) break
val currentOffset = pointerChange.position
val distance = (currentOffset - startOffset).getDistance()
val delta = currentOffset - startOffset
val distance = delta.getDistance()
val elapsedTime = pointerChange.uptimeMillis - startTime
if (!isDragSelecting && !isScrolling) {
if (selectionMode) {
// 多选模式下：滑动超过 6px 立刻触发极速滑动多选
if (distance >= 6f) {
if (currentSelectionMode) {
// 多选模式下：如果快速纵向滑动，判定为普通滚屏；否则在移动超过 16px 或按住超过 120ms 后触发拖拽多选
if (distance > 20f && elapsedTime < 120L && kotlin.math.abs(delta.y) > kotlin.math.abs(delta.x) * 2f) {
isScrolling = true
} else if (distance >= 16f || (elapsedTime >= 120L && distance >= 6f)) {
isDragSelecting = true
val startId = records[startIndex].id
onSetSelectedIds(initialSelected + startId)
val startId = currentRecords.getOrNull(startIndex)?.id
if (startId != null) {
currentOnSetSelectedIds(initialSelected + startId)
}
}
} else {
// 普通模式下：按住满 250ms 或按住移动超过 10px（且未快滑滚屏）触发长按多选
if (distance > 30f && elapsedTime < 200L) {
if (distance > 30f && elapsedTime < 200L && kotlin.math.abs(delta.y) > kotlin.math.abs(delta.x) * 1.5f) {
isScrolling = true // 快速划过判定为普通滚屏
} else if (elapsedTime >= 250L || (elapsedTime >= 150L && distance >= 10f)) {
isDragSelecting = true
val startId = records[startIndex].id
onSetSelectedIds(setOf(startId))
val startId = currentRecords.getOrNull(startIndex)?.id
if (startId != null) {
currentOnSetSelectedIds(setOf(startId))
}
}
}
}
@ -418,8 +429,8 @@ private fun RecordGrid(
if (currentIndex != null) {
val minIdx = minOf(startIndex, currentIndex)
val maxIdx = maxOf(startIndex, currentIndex)
val draggedIds = (minIdx..maxIdx).mapNotNull { records.getOrNull(it)?.id }.toSet()
onSetSelectedIds(initialSelected + draggedIds)
val draggedIds = (minIdx..maxIdx).mapNotNull { currentRecords.getOrNull(it)?.id }.toSet()
currentOnSetSelectedIds(initialSelected + draggedIds)
}
// 边界滑动自动滚屏