iosMain.com.outsidesource.oskitcompose.modifier.iOSPointer.kt Maven / Gradle / Ivy

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An opinionated architecture/library for Compose Multiplatform development

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package com.outsidesource.oskitcompose.modifier

import androidx.compose.foundation.gestures.awaitEachGesture
import androidx.compose.foundation.gestures.awaitFirstDown
import androidx.compose.ui.Modifier
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.input.pointer.*

actual fun Modifier.kmpPointerMoveFilter(
    onMove: (Offset) -> Boolean,
    onEnter: () -> Boolean,
    onExit: () -> Boolean,
): Modifier = this.pointerInput(Unit) {
    awaitEachGesture {
        awaitFirstDown()
        onEnter()

        while (true) {
            val event = awaitPointerEvent().changes.first()
            if (event.changedToUp()) {
                onExit()
                break
            } else if (event.positionChanged()) {
                onMove(event.position)
            }
        }
    }
}

actual fun Modifier.kmpOnExternalDrag(
    enabled: Boolean,
    onDragStart: (KMPExternalDragValue) -> Unit,
    onDrag: (KMPExternalDragValue) -> Unit,
    onDragExit: () -> Unit,
    onDrop: (KMPExternalDragValue) -> Unit,
): Modifier = this