Add experimental app widget compose reimplementation
This commit is contained in:
MM20
parent
2e4100f676
commit
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package de.mm20.launcher2.ui.component.view
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import android.graphics.drawable.ColorDrawable
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import android.graphics.drawable.Drawable
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import android.view.View
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import android.view.ViewGroup
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import android.widget.FrameLayout
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import android.widget.ImageView
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import android.widget.LinearLayout
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import android.widget.ListView
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import android.widget.TextView
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import androidx.compose.foundation.background
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.combinedClickable
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxHeight
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import androidx.compose.foundation.layout.fillMaxWidth
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import androidx.compose.foundation.layout.height
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.layout.wrapContentHeight
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import androidx.compose.foundation.layout.wrapContentWidth
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import androidx.compose.material3.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.DisposableEffect
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import androidx.compose.runtime.getValue
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import androidx.compose.runtime.mutableStateOf
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import androidx.compose.runtime.remember
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import androidx.compose.runtime.setValue
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.composed
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import androidx.compose.ui.draw.drawBehind
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.graphicsLayer
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import androidx.compose.ui.graphics.nativeCanvas
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import androidx.compose.ui.platform.LocalDensity
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import androidx.core.view.children
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import androidx.lifecycle.compose.LocalLifecycleOwner
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import kotlin.math.roundToInt
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/**
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* A reimplementation of View using composables.
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* Only views that are supported by RemoteViews are supported here.
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*/
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@Composable
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fun ComposeAndroidView(
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view: () -> View,
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modifier: Modifier = Modifier
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) {
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var view_ by remember { mutableStateOf<View?>(null) }
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val lifecycleOwner = LocalLifecycleOwner.current
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DisposableEffect(Unit) {
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view_ = view()
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onDispose {
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view_ = null
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}
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}
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if (view_ != null) {
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ComposeAndroidView(view_!!, modifier)
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}
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}
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@Composable
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fun ComposeAndroidView(
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view: View,
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modifier: Modifier = Modifier
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) {
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if (view.visibility == View.GONE) {
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return
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}
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if (view.visibility == View.INVISIBLE) {
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Spacer(modifier = modifier)
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}
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val mod = modifier.view(view)
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when (view) {
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is FrameLayout -> ComposeFrameLayout(view, mod)
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is LinearLayout -> ComposeLinearLayout(view, mod)
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is ListView -> ComposeListView(view, mod)
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is TextView -> ComposeTextView(view, mod)
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is ImageView -> ComposeImageView(view, mod)
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is ViewGroup -> {
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Column(modifier = mod) {
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for (child in view.children) {
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ComposeAndroidView(
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child,
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modifier = Modifier.layoutParams(child.layoutParams)
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)
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}
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Text(view.javaClass.toString(), modifier = mod)
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}
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}
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else -> Text(view.javaClass.toString(), modifier = mod)
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}
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}
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internal fun Modifier.view(view: View): Modifier = this then Modifier.composed {
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val density = LocalDensity.current
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val backgroundDrawable = view.background
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val background = when (backgroundDrawable) {
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is ColorDrawable -> Modifier.background(Color(backgroundDrawable.color))
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is Drawable -> Modifier.drawBehind {
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backgroundDrawable.setBounds(
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0, 0, size.width.roundToInt(), size.height.roundToInt()
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)
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backgroundDrawable.draw(this.drawContext.canvas.nativeCanvas)
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}
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else -> Modifier
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}
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val padding = with(density) {
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Modifier.padding(
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start = view.paddingStart.toDp(),
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top = view.paddingTop.toDp(),
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end = view.paddingEnd.toDp(),
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bottom = view.paddingBottom.toDp()
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)
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}
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val clickable = when {
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view.isClickable || view.isLongClickable -> Modifier.combinedClickable(
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enabled = view.isEnabled,
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onClick = {
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if (view.isClickable) view.performClick()
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},
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onLongClick = { view.performLongClick() }
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)
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view.isClickable -> Modifier.clickable(
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enabled = view.isEnabled,
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onClick = { view.performClick() }
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)
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else -> Modifier
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}
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val graphicsLayer = Modifier.graphicsLayer {
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translationX = view.translationX
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translationY = view.translationY
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rotationX = view.rotationX
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rotationY = view.rotationY
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rotationZ = view.rotation
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scaleX = view.scaleX
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scaleY = view.scaleY
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shadowElevation = view.elevation
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cameraDistance = view.cameraDistance
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}
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background then clickable then padding then graphicsLayer
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}
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internal fun Modifier.layoutParams(params: ViewGroup.LayoutParams?) = this then Modifier.composed {
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params ?: return@composed Modifier
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val density = LocalDensity.current
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val margins = if (params is ViewGroup.MarginLayoutParams) {
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with(density) {
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Modifier.padding(
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start = params.marginStart.coerceAtLeast(0).toDp(),
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top = params.topMargin.coerceAtLeast(0).toDp(),
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end = params.marginEnd.coerceAtLeast(0).toDp(),
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bottom = params.bottomMargin.coerceAtLeast(0).toDp()
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)
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}
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} else {
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Modifier
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}
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val width = when (params.width) {
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ViewGroup.LayoutParams.MATCH_PARENT -> Modifier.fillMaxWidth()
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ViewGroup.LayoutParams.WRAP_CONTENT -> Modifier.wrapContentWidth()
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else -> Modifier.width(with(density) { params.width.toDp() })
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}
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val height = when (params.height) {
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ViewGroup.LayoutParams.MATCH_PARENT -> Modifier.fillMaxHeight()
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ViewGroup.LayoutParams.WRAP_CONTENT -> Modifier.wrapContentHeight()
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else -> Modifier.height(with(density) { params.height.toDp() })
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}
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margins then width then height
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}
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package de.mm20.launcher2.ui.component.view
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import android.view.Gravity
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import android.view.ViewGroup
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import android.widget.FrameLayout
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import androidx.compose.foundation.layout.Box
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import androidx.compose.foundation.layout.BoxScope
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.core.view.children
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@Composable
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internal fun ComposeFrameLayout(
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view: FrameLayout,
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modifier: Modifier,
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) {
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Box(
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modifier = modifier,
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contentAlignment = Alignment.TopStart,
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) {
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for (child in view.children) {
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ComposeAndroidView(
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child,
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modifier = Modifier.frameLayoutChild(
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this@Box,
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child.layoutParams
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)
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)
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}
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}
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}
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private fun Modifier.frameLayoutChild(scope: BoxScope, params: ViewGroup.LayoutParams) = this then
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Modifier.layoutParams(params) then
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with(scope) {
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if (params !is FrameLayout.LayoutParams) return@with Modifier
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val alignment = when (params.gravity) {
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Gravity.START or Gravity.TOP -> Alignment.TopStart
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Gravity.START or Gravity.BOTTOM -> Alignment.BottomStart
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Gravity.END or Gravity.TOP -> Alignment.TopEnd
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Gravity.END or Gravity.BOTTOM -> Alignment.BottomEnd
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Gravity.START or Gravity.CENTER_VERTICAL -> Alignment.CenterStart
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Gravity.END or Gravity.CENTER_VERTICAL -> Alignment.CenterEnd
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Gravity.CENTER_HORIZONTAL or Gravity.TOP -> Alignment.TopCenter
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Gravity.CENTER_HORIZONTAL or Gravity.BOTTOM -> Alignment.BottomCenter
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Gravity.CENTER_HORIZONTAL or Gravity.CENTER_VERTICAL -> Alignment.Center
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else -> Alignment.TopStart
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}
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Modifier.align(alignment)
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}
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package de.mm20.launcher2.ui.component.view
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import android.graphics.BlendModeColorFilter
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import android.graphics.ColorMatrixColorFilter
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import android.widget.ImageView
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.alpha
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.ColorFilter
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import androidx.compose.ui.graphics.ColorMatrix
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import androidx.compose.ui.graphics.toArgb
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import androidx.compose.ui.layout.ContentScale
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import coil.compose.AsyncImage
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@Composable
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internal fun ComposeImageView(
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view: ImageView,
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modifier: Modifier,
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) {
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AsyncImage(
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modifier = modifier.alpha(view.imageAlpha / 255f),
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model = view.drawable,
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contentDescription = view.contentDescription?.toString(),
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contentScale = when (view.scaleType) {
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ImageView.ScaleType.CENTER -> ContentScale.None
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ImageView.ScaleType.FIT_XY -> ContentScale.FillBounds
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ImageView.ScaleType.FIT_START,
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ImageView.ScaleType.FIT_CENTER,
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ImageView.ScaleType.FIT_END -> ContentScale.Fit
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ImageView.ScaleType.CENTER_CROP -> ContentScale.Crop
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ImageView.ScaleType.CENTER_INSIDE -> ContentScale.Inside
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else -> ContentScale.None
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},
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alignment = when (view.scaleType) {
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ImageView.ScaleType.FIT_XY,
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ImageView.ScaleType.CENTER,
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ImageView.ScaleType.FIT_CENTER,
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ImageView.ScaleType.CENTER_CROP,
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ImageView.ScaleType.CENTER_INSIDE -> Alignment.Center
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ImageView.ScaleType.FIT_START -> Alignment.TopStart
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ImageView.ScaleType.FIT_END -> Alignment.BottomEnd
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else -> Alignment.Center
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},
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)
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}
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package de.mm20.launcher2.ui.component.view
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import android.view.Gravity
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import android.view.ViewGroup
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import android.widget.LinearLayout
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.ColumnScope
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.RowScope
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import androidx.compose.foundation.layout.fillMaxHeight
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Alignment
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import androidx.compose.ui.Modifier
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import androidx.core.view.children
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@Composable
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internal fun ComposeLinearLayout(
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view: LinearLayout,
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modifier: Modifier,
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) {
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if (view.orientation == LinearLayout.VERTICAL) {
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val horizontalAlignment = when (view.gravity and Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) {
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Gravity.START -> Alignment.Start
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Gravity.CENTER_HORIZONTAL -> Alignment.CenterHorizontally
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Gravity.END -> Alignment.End
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else -> Alignment.Start
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}
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val verticalArrangement = when (view.gravity and Gravity.VERTICAL_GRAVITY_MASK) {
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Gravity.TOP -> Arrangement.Top
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Gravity.CENTER_VERTICAL -> Arrangement.Center
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Gravity.BOTTOM -> Arrangement.Bottom
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else -> Arrangement.Top
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}
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Column(
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modifier = modifier,
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horizontalAlignment = horizontalAlignment,
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verticalArrangement = verticalArrangement,
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) {
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for (child in view.children) {
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ComposeAndroidView(
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child,
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modifier = Modifier.linearLayoutChild(
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this@Column,
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child.layoutParams
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)
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)
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}
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}
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} else {
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val horizontalArrangement =
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when (view.gravity and Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) {
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Gravity.START -> Arrangement.Start
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Gravity.CENTER_HORIZONTAL -> Arrangement.Center
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Gravity.END -> Arrangement.End
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else -> Arrangement.Start
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}
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val verticalAlignment = when (view.gravity and Gravity.VERTICAL_GRAVITY_MASK) {
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Gravity.TOP -> Alignment.Top
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Gravity.CENTER_VERTICAL -> Alignment.CenterVertically
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Gravity.BOTTOM -> Alignment.Bottom
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else -> Alignment.Top
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}
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Row(
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modifier = modifier,
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verticalAlignment = verticalAlignment,
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horizontalArrangement = horizontalArrangement,
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) {
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for (child in view.children) {
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ComposeAndroidView(
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child,
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modifier = Modifier.linearLayoutChild(
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this@Row,
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child.layoutParams,
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)
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)
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}
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}
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}
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}
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private fun Modifier.linearLayoutChild(scope: RowScope, params: ViewGroup.LayoutParams) = this then
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Modifier.layoutParams(params) then
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with(scope) {
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if (params !is LinearLayout.LayoutParams) return@with Modifier
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val alignment = when (params.gravity and Gravity.VERTICAL_GRAVITY_MASK) {
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Gravity.TOP -> Modifier.align(Alignment.Top)
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Gravity.CENTER_VERTICAL -> Modifier.align(Alignment.CenterVertically)
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Gravity.BOTTOM -> Modifier.align(Alignment.Bottom)
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else -> Modifier
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}
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val weight = if ((params.weight) > 0f) {
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Modifier.weight(params.weight)
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} else {
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|
Modifier
|
||||||
|
}
|
||||||
|
|
||||||
|
alignment then weight
|
||||||
|
}
|
||||||
|
|
||||||
|
private fun Modifier.linearLayoutChild(scope: ColumnScope, params: ViewGroup.LayoutParams) =
|
||||||
|
this then
|
||||||
|
Modifier.layoutParams(params) then
|
||||||
|
with(scope) {
|
||||||
|
if (params !is LinearLayout.LayoutParams) return@with Modifier
|
||||||
|
val alignment = when (params.gravity and Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) {
|
||||||
|
Gravity.START -> Modifier.align(Alignment.Start)
|
||||||
|
Gravity.CENTER_HORIZONTAL -> Modifier.align(Alignment.CenterHorizontally)
|
||||||
|
Gravity.END -> Modifier.align(Alignment.End)
|
||||||
|
else -> Modifier
|
||||||
|
}
|
||||||
|
|
||||||
|
val weight = if ((params.weight) > 0f) {
|
||||||
|
Modifier.weight(params.weight)
|
||||||
|
} else {
|
||||||
|
Modifier
|
||||||
|
}
|
||||||
|
|
||||||
|
alignment then weight
|
||||||
|
}
|
||||||
@ -0,0 +1,28 @@
|
|||||||
|
package de.mm20.launcher2.ui.component.view
|
||||||
|
|
||||||
|
import android.widget.ListView
|
||||||
|
import androidx.compose.foundation.lazy.LazyColumn
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.ui.Modifier
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
fun ComposeListView(
|
||||||
|
view: ListView,
|
||||||
|
modifier: Modifier,
|
||||||
|
) {
|
||||||
|
val adapter = view.adapter ?: return
|
||||||
|
LazyColumn(
|
||||||
|
modifier = modifier,
|
||||||
|
) {
|
||||||
|
items(
|
||||||
|
adapter.count,
|
||||||
|
contentType = { adapter.getItemViewType(it) },
|
||||||
|
) { index ->
|
||||||
|
val itemView = adapter.getView(index, null, view)
|
||||||
|
ComposeAndroidView(
|
||||||
|
itemView,
|
||||||
|
modifier = Modifier.layoutParams(itemView.layoutParams)
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,19 @@
|
|||||||
|
package de.mm20.launcher2.ui.component.view
|
||||||
|
|
||||||
|
import android.widget.ProgressBar
|
||||||
|
import androidx.compose.material.CircularProgressIndicator
|
||||||
|
import androidx.compose.material.MaterialTheme
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.ui.Modifier
|
||||||
|
import androidx.compose.ui.graphics.Color
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
internal fun ComposeProgressBar(
|
||||||
|
view: ProgressBar,
|
||||||
|
modifier: Modifier,
|
||||||
|
) {
|
||||||
|
CircularProgressIndicator(
|
||||||
|
color = view.progressTintList?.defaultColor?.let { Color(it) } ?: MaterialTheme.colors.primary,
|
||||||
|
modifier = modifier,
|
||||||
|
)
|
||||||
|
}
|
||||||
@ -0,0 +1,52 @@
|
|||||||
|
package de.mm20.launcher2.ui.component.view
|
||||||
|
|
||||||
|
import android.widget.TextView
|
||||||
|
import androidx.compose.material3.MaterialTheme
|
||||||
|
import androidx.compose.material3.Text
|
||||||
|
import androidx.compose.runtime.Composable
|
||||||
|
import androidx.compose.ui.Modifier
|
||||||
|
import androidx.compose.ui.graphics.Color
|
||||||
|
import androidx.compose.ui.platform.LocalDensity
|
||||||
|
import androidx.compose.ui.text.font.DeviceFontFamilyName
|
||||||
|
import androidx.compose.ui.text.font.FontFamily
|
||||||
|
import androidx.compose.ui.text.font.FontStyle
|
||||||
|
import androidx.compose.ui.text.font.FontWeight
|
||||||
|
import androidx.compose.ui.text.font.SystemFontFamily
|
||||||
|
import androidx.compose.ui.text.style.TextAlign
|
||||||
|
import de.mm20.launcher2.ktx.isAtLeastApiLevel
|
||||||
|
|
||||||
|
@Composable
|
||||||
|
internal fun ComposeTextView(
|
||||||
|
view: TextView,
|
||||||
|
modifier: Modifier,
|
||||||
|
) {
|
||||||
|
val density = LocalDensity.current
|
||||||
|
Text(
|
||||||
|
text = view.text.toString(),
|
||||||
|
color = Color(view.textColors.defaultColor),
|
||||||
|
style = MaterialTheme.typography.bodyMedium.copy(
|
||||||
|
fontSize = with(density) {
|
||||||
|
view.textSize.toSp()
|
||||||
|
},
|
||||||
|
fontWeight = if (isAtLeastApiLevel(28)) {
|
||||||
|
FontWeight(view.typeface.weight)
|
||||||
|
} else if (view.typeface.isBold) {
|
||||||
|
FontWeight.Bold
|
||||||
|
} else {
|
||||||
|
FontWeight.Normal
|
||||||
|
},
|
||||||
|
fontStyle = if (view.typeface.isItalic) {
|
||||||
|
FontStyle.Italic
|
||||||
|
} else {
|
||||||
|
FontStyle.Normal
|
||||||
|
},
|
||||||
|
),
|
||||||
|
modifier = modifier,
|
||||||
|
textAlign = when (view.textAlignment) {
|
||||||
|
TextView.TEXT_ALIGNMENT_CENTER -> TextAlign.Center
|
||||||
|
TextView.TEXT_ALIGNMENT_TEXT_START -> TextAlign.Start
|
||||||
|
TextView.TEXT_ALIGNMENT_TEXT_END -> TextAlign.End
|
||||||
|
else -> TextAlign.Start
|
||||||
|
}
|
||||||
|
)
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user