Make OrbitClock somewhat respect orbital dynamics (#276)

* orbitclock adjustments

* cleanup

* switch to LaunchedEffect

* radii-diff golden ratio && readability

* equal space between planets && large label on hour

* size adjustments

* smooth animations

* incorporate ms

* cleanup and synchronization fix (somewhat?)

* Translated using Weblate (Portuguese (Brazil))

Currently translated at 100.0% (568 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Chinese (Traditional))

Currently translated at 100.0% (568 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Chinese (Traditional))

Currently translated at 64.1% (68 of 106 strings)

Translation: Kvæsitso/units

* Fix favorites in favorite widget hidden even when clock widget favorites are disabled

* Fix crash

* Add preference to disable themed icons for themed icon packs

* Add tooltip to icon pack themed toggle

* Version 1.23.1

* Translated using Weblate (Dutch)

Currently translated at 99.4% (565 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Chinese (Traditional))

Currently translated at 100.0% (106 of 106 strings)

Translation: Kvæsitso/units

* Translated using Weblate (Dutch)

Currently translated at 100.0% (568 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Chinese (Simplified))

Currently translated at 99.2% (564 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Russian)

Currently translated at 100.0% (106 of 106 strings)

Translation: Kvæsitso/units

* Added translation using Weblate (Hungarian)

* Translated using Weblate (Turkish)

Currently translated at 34.9% (37 of 106 strings)

Translation: Kvæsitso/units

* Added translation using Weblate (Hungarian)

* Added translation using Weblate (Ukrainian)

* Translated using Weblate (Hungarian)

Currently translated at 4.2% (24 of 568 strings)

Translation: Kvæsitso/i18n

* Added translation using Weblate (Ukrainian)

* Docs: update docusaurus

* Docs: Add FAQ page

* Update Jetpack Compose and Accompanist

* Add TagChip component

* Translated using Weblate (Ukrainian)

Currently translated at 5.9% (34 of 568 strings)

Translation: Kvæsitso/i18n

* Translated using Weblate (Ukrainian)

Currently translated at 0.9% (1 of 106 strings)

Translation: Kvæsitso/units

* Extend FAQ

* Restore EmptyClock when branch

* orbitclock adjustments

* cleanup

* switch to LaunchedEffect

* radii-diff golden ratio && readability

* equal space between planets && large label on hour

* size adjustments

* smooth animations

* incorporate ms

* cleanup and synchronization fix (somewhat?)

* Restore EmptyClock when branch

app/ui/src/main/java/de/mm20/launcher2/ui/ktx/Float.kt

@@ -4,6 +4,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.dp
+import kotlin.math.PI
 
 /**
  * Converts the given pixel size to a Dp value based on the current density

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/ClockWidget.kt

@@ -34,7 +34,6 @@ import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.AnalogClock
 import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.BinaryClock
 import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.DigitalClock1
 import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.DigitalClock2
-import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.EmptyClock
 import de.mm20.launcher2.ui.launcher.widgets.clock.clocks.OrbitClock
 import de.mm20.launcher2.ui.launcher.widgets.clock.parts.PartProvider
 import de.mm20.launcher2.ui.locals.LocalPreferDarkContentOverWallpaper
@@ -155,16 +154,16 @@ fun ClockWidget(
 @Composable
 fun Clock(
     style: ClockStyle?,
-    layout: ClockWidgetLayout,
+    layout: ClockWidgetLayout
 ) {
     val time = LocalTime.current
     when (style) {
-        ClockStyle.DigitalClock1 -> DigitalClock1(time = time, layout = layout)
+        ClockStyle.DigitalClock1 -> DigitalClock1(time, layout)
         ClockStyle.DigitalClock2 -> DigitalClock2(time, layout)
         ClockStyle.BinaryClock -> BinaryClock(time, layout)
         ClockStyle.AnalogClock -> AnalogClock(time, layout)
         ClockStyle.OrbitClock -> OrbitClock(time, layout)
-        ClockStyle.EmptyClock -> EmptyClock(time, layout)
+        ClockStyle.EmptyClock -> {}
         else -> {}
     }
 }

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/ClockWidgetVM.kt

@@ -3,7 +3,6 @@ package de.mm20.launcher2.ui.launcher.widgets.clock
 import android.content.Context
 import android.content.Intent
 import android.provider.AlarmClock
-import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.asLiveData
 import androidx.lifecycle.viewModelScope
@@ -56,7 +55,6 @@ class ClockWidgetVM : ViewModel(), KoinComponent {
         }
     }
 
-
     val layout = dataStore.data.map { it.clockWidget.layout }.asLiveData()
     val clockStyle = dataStore.data.map { it.clockWidget.clockStyle }.asLiveData()
 

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/clocks/EmptyClock.kt

@@ -1,12 +0,0 @@
-package de.mm20.launcher2.ui.launcher.widgets.clock.clocks
-
-import androidx.compose.runtime.Composable
-import de.mm20.launcher2.preferences.Settings
-
-@Composable
-fun EmptyClock(
-    time: Long,
-    layout: Settings.ClockWidgetSettings.ClockWidgetLayout
-) {
-    // Nothing to see here
-}

app/ui/src/main/java/de/mm20/launcher2/ui/launcher/widgets/clock/clocks/OrbitClock.kt

@@ -1,14 +1,21 @@
 package de.mm20.launcher2.ui.launcher.widgets.clock.clocks
 
 import android.text.format.DateFormat
-import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.animateFloat
+import androidx.compose.animation.core.infiniteRepeatable
+import androidx.compose.animation.core.rememberInfiniteTransition
+import androidx.compose.animation.core.tween
 import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.geometry.Offset
 import androidx.compose.ui.geometry.center
@@ -23,108 +30,224 @@ import androidx.compose.ui.text.rememberTextMeasurer
 import androidx.compose.ui.unit.center
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.toOffset
+import de.mm20.launcher2.ktx.TWO_PI
 import de.mm20.launcher2.preferences.Settings
-import java.util.Calendar
+import java.time.Instant
-import kotlin.math.PI
+import java.time.ZoneId
+import java.time.ZonedDateTime
 import kotlin.math.cos
 import kotlin.math.sin
 
+private const val PHI_F = 1.618033988749895.toFloat()
+
+private val currentTime
+    get() = Instant.ofEpochMilli(System.currentTimeMillis()).atZone(ZoneId.systemDefault())
+
 @Composable
 fun OrbitClock(
-    time: Long,
+    _time: Long,
     layout: Settings.ClockWidgetSettings.ClockWidgetLayout
 ) {
     val verticalLayout = layout == Settings.ClockWidgetSettings.ClockWidgetLayout.Vertical
-    val date = Calendar.getInstance()
-    date.timeInMillis = time
-    val minute = date[Calendar.MINUTE]
-    val hour = if (DateFormat.is24HourFormat(LocalContext.current)) date[Calendar.HOUR_OF_DAY] else date[Calendar.HOUR]
 
-    val mu by animateFloatAsState(minute / 60f * 2f * PI.toFloat())
+    val timeState = remember { mutableStateOf<ZonedDateTime>(currentTime) }
-    val heta by animateFloatAsState((hour % 12) / 12f * 2f * PI.toFloat() + (minute / 60f) * 1f / 6f * PI.toFloat())
+
+    LaunchedEffect(_time) {
+        timeState.value = currentTime
+    }
+
+    val time by timeState
+
+    val second = time.second
+    val minute = time.minute
+    val hour = time.hour
+    val formattedHour = (
+            if (DateFormat.is24HourFormat(LocalContext.current))
+                hour
+            else
+                hour % 12
+            ).toString()
+
+    val secsAngleStart = second / 60f * Float.TWO_PI
+    val minsAngleStart = minute / 60f * Float.TWO_PI + secsAngleStart / 60f
+    val hourAngleStart = hour % 12 / 12f * Float.TWO_PI + minsAngleStart / 12f
+
+    val infiniteTransition = rememberInfiniteTransition(label = "timeInfiniteTransition")
+
+    val animatedSecs by infiniteTransition.animateFloat(
+        initialValue = secsAngleStart,
+        targetValue = secsAngleStart + Float.TWO_PI,
+        animationSpec = infiniteRepeatable(
+            animation = tween(
+                durationMillis = 60 * 1000,
+                easing = LinearEasing
+            )
+        ),
+        label = "secondsAnimation"
+    )
+    val animatedMins by infiniteTransition.animateFloat(
+        initialValue = minsAngleStart,
+        targetValue = minsAngleStart + Float.TWO_PI,
+        animationSpec = infiniteRepeatable(
+            animation = tween(
+                durationMillis = 60 * 60 * 1000,
+                easing = LinearEasing
+            )
+        ),
+        label = "minutesAnimation"
+    )
+    val animatedHrs by infiniteTransition.animateFloat(
+        initialValue = hourAngleStart,
+        targetValue = hourAngleStart + Float.TWO_PI,
+        animationSpec = infiniteRepeatable(
+            animation = tween(
+                durationMillis = 12 * 60 * 60 * 1000,
+                easing = LinearEasing
+            )
+        ),
+        label = "hoursAnimation"
+    )
 
     val color = LocalContentColor.current
 
-    val measurer = rememberTextMeasurer()
+    val textMeasurer = rememberTextMeasurer()
-    val textStyle = MaterialTheme.typography.labelMedium
+    val minuteStyle = MaterialTheme.typography.labelMedium
+    val hourStyle = MaterialTheme.typography.labelLarge
 
     val strokeWidth = if (verticalLayout) 2.dp else 1.dp
 
-    Canvas(modifier = Modifier
+    Canvas(
-        .padding(bottom = if (verticalLayout) 8.dp else 0.dp)
+        modifier = Modifier
-        .size(if (verticalLayout) 192.dp else 56.dp)
+            .padding(bottom = if (verticalLayout) 8.dp else 0.dp)
+            .size(if (verticalLayout) 192.dp else 56.dp)
     ) {
-        val rm = size.width * 0.45f
+
-        val rh = size.width * 0.25f
+        val rs = size.width * 0.08f
+        val rm = size.width * 0.22f
+        val rh = rm + (rm - rs) * PHI_F
+
+        val sSize = size.width * 0.0175f
+        val mSize = size.width * 0.08f
+        val hSize = rh + sSize + rs - 2f * rm
+
+        if (verticalLayout) {
+            drawCircle(
+                color = color.copy(alpha = 0.5f),
+                radius = rs,
+                style = Stroke(
+                    width = strokeWidth.toPx(),
+                    pathEffect = PathEffect.dashPathEffect(floatArrayOf(2.dp.toPx(), 2.dp.toPx()))
+                )
+            )
+        }
         drawCircle(
             color = color.copy(alpha = 0.5f),
             radius = rm,
-            style = Stroke(width = strokeWidth.toPx(),
+            style = Stroke(
-                pathEffect = PathEffect.dashPathEffect(floatArrayOf(4.dp.toPx(), 4.dp.toPx()))
+                width = strokeWidth.toPx(),
+                pathEffect = PathEffect.dashPathEffect(
+                    floatArrayOf(
+                        (2 * PHI_F).dp.toPx(),
+                        (2 * PHI_F).dp.toPx()
+                    )
+                )
             )
         )
         drawCircle(
             color = color.copy(alpha = 0.5f),
             radius = rh,
-            style = Stroke(width = strokeWidth.toPx(),
+            style = Stroke(
-                pathEffect = PathEffect.dashPathEffect(floatArrayOf(4.dp.toPx(), 4.dp.toPx())),
+                width = strokeWidth.toPx(),
+                pathEffect = PathEffect.dashPathEffect(
+                    floatArrayOf(
+                        (2 * PHI_F * PHI_F).dp.toPx(),
+                        (2 * PHI_F * PHI_F).dp.toPx()
+                    )
+                ),
             )
         )
 
-        val mPos = Offset(x = sin(mu) * rm, y = -cos(mu) * rm)
+        val sPos = Offset(x = sin(animatedSecs) * rs, y = -cos(animatedSecs) * rs)
-        val hPos = Offset(x = sin(heta) * rh, y = -cos(heta) * rh)
+        val mPos = Offset(x = sin(animatedMins) * rm, y = -cos(animatedMins) * rm)
+        val hPos = Offset(x = sin(animatedHrs) * rh, y = -cos(animatedHrs) * rh)
 
+        if (verticalLayout) {
+            drawCircle(
+                color = Color.Black,
+                radius = sSize,
+                center = size.center + sPos,
+                blendMode = BlendMode.DstOut
+            )
+        }
         drawCircle(
             color = Color.Black,
-            radius = size.width * 0.08f,
+            radius = mSize,
             center = size.center + mPos,
             blendMode = BlendMode.DstOut
         )
         drawCircle(
             color = Color.Black,
-            radius = size.width * 0.08f,
+            radius = hSize,
             center = size.center + hPos,
             blendMode = BlendMode.DstOut
         )
 
         if (verticalLayout) {
 
-            val textMResult = measurer.measure(
+            val textMResult = textMeasurer.measure(
                 AnnotatedString(minute.toString()),
                 maxLines = 1,
-                style = textStyle
+                style = minuteStyle
             )
 
-            val textHResult = measurer.measure(
+            val textHResult = textMeasurer.measure(
-                AnnotatedString(hour.toString()),
+                AnnotatedString(formattedHour),
                 maxLines = 1,
-                style = textStyle
+                style = hourStyle
             )
 
             drawText(
                 textMResult,
-                color = Color.Black,
+                color = color.invert(alpha = 0.65f),
-                topLeft = size.center - textMResult.size.center.toOffset() + mPos
+                topLeft = size.center - textMResult.size.center.toOffset() + mPos,
+                blendMode = BlendMode.Overlay
             )
             drawText(
                 textHResult,
-                color = Color.Black,
+                color = color.invert(alpha = 0.65f),
-                topLeft = size.center - textHResult.size.center.toOffset() + hPos
+                topLeft = size.center - textHResult.size.center.toOffset() + hPos,
+                blendMode = BlendMode.Overlay
             )
         }
 
+        if (verticalLayout) {
+            drawCircle(
+                color = color,
+                radius = sSize,
+                center = size.center + sPos,
+                blendMode = BlendMode.Overlay
+            )
+        }
         drawCircle(
             color = color,
-            radius = size.width * 0.08f,
+            radius = mSize,
-            center = size.center + hPos,
-            blendMode = BlendMode.SrcOut
-        )
-        drawCircle(
-            color = color,
-            radius = size.width * 0.08f,
             center = size.center + mPos,
-            blendMode = BlendMode.SrcOut
+            blendMode = BlendMode.Overlay
+        )
+        drawCircle(
+            color = color,
+            radius = hSize,
+            center = size.center + hPos,
+            blendMode = BlendMode.Overlay
         )
-
     }
 }
+
+private fun Color.invert(alpha: Float? = null): Color =
+    Color(
+        1f - red,
+        1f - green,
+        1f - blue,
+        alpha ?: this.alpha, colorSpace
+    )
+

core/ktx/src/main/java/de/mm20/launcher2/ktx/Float.kt

@@ -1,7 +1,12 @@
 package de.mm20.launcher2.ktx
 
+import kotlin.math.PI
 import kotlin.math.ceil
 
 fun Float.ceilToInt(): Int {
     return ceil(this).toInt()
 }
+
+private const val TWO_PI_F = (2.0 * PI).toFloat()
+val Float.Companion.TWO_PI: Float
+    get() = TWO_PI_F