Refactor adaptive layout

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/App.kt

@@ -15,7 +15,9 @@ import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.TextUnitType
 import ch.dissem.yaep.domain.Game
+import ch.dissem.yaep.ui.common.focus.FocusFollowingFocusable
 import ch.dissem.yaep.ui.common.focus.SelectionManager
+import ch.dissem.yaep.ui.common.layout.AdaptiveGameLayout
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.IO
@@ -26,7 +28,7 @@ import kotlin.time.ExperimentalTime
 @OptIn(ExperimentalTime::class)
 fun App(
     modifier: Modifier = Modifier,
-    rootSelectionManager: SelectionManager<*>,
+    rootSelectionManager: SelectionManager<FocusFollowingFocusable>,
     spacing: Dp,
     game: Game,
     onNewGame: () -> Unit,

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/adaptive game layout.kt

@@ -1,480 +0,0 @@
-package ch.dissem.yaep.ui.common
-
-import androidx.compose.foundation.layout.Box
-import androidx.compose.material3.HorizontalDivider
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.input.key.Key
-import androidx.compose.ui.layout.Layout
-import androidx.compose.ui.layout.Measurable
-import androidx.compose.ui.layout.Placeable
-import androidx.compose.ui.unit.Constraints
-import androidx.compose.ui.unit.Constraints.Companion.fixed
-import androidx.compose.ui.unit.Constraints.Companion.fixedWidth
-import androidx.compose.ui.unit.Dp
-import androidx.compose.ui.unit.dp
-import ch.dissem.yaep.ui.common.AspectRatio.LANDSCAPE
-import ch.dissem.yaep.ui.common.AspectRatio.PORTRAIT
-import ch.dissem.yaep.ui.common.AspectRatio.SQUARISH
-import ch.dissem.yaep.ui.common.focus.FocusFollowingFocusable
-import ch.dissem.yaep.ui.common.focus.GridSelectionManager
-import ch.dissem.yaep.ui.common.focus.LinearSelectionManager
-import ch.dissem.yaep.ui.common.focus.SelectionManager
-import kotlin.math.ceil
-import kotlin.math.max
-import kotlin.math.min
-
-
-private enum class AspectRatio {
-    PORTRAIT, LANDSCAPE, SQUARISH;
-
-    companion object {
-        private const val ASPECT_RATIO_LANDSCAPE = 1.4f
-        private const val ASPECT_RATIO_PORTRAIT = 1 / ASPECT_RATIO_LANDSCAPE
-
-        fun from(constraints: Constraints): AspectRatio {
-            val ratio = constraints.maxWidth.toFloat() / constraints.maxHeight.toFloat()
-            return when {
-                ratio < ASPECT_RATIO_PORTRAIT -> PORTRAIT
-                ratio > ASPECT_RATIO_LANDSCAPE -> LANDSCAPE
-                else -> SQUARISH
-            }
-        }
-    }
-}
-
-@Composable
-fun AdaptiveGameLayout(
-    modifier: Modifier = Modifier,
-    selectionManager: SelectionManager<*>,
-    grid: @Composable (GridSelectionManager) -> Unit,
-    horizontalClues: @Composable (SelectionManager<*>) -> Unit,
-    verticalClues: @Composable (SelectionManager<*>) -> Unit,
-    time: @Composable () -> Unit,
-    divider: @Composable () -> Unit = { HorizontalDivider() },
-    spacing: Dp = 8.dp
-) {
-    val gridFocusable = selectionManager.add()
-    val gridSelectionManager = gridFocusable.create(GridSelectionManager())
-
-    val horizontalCluesFocusable = selectionManager.add()
-    val horizontalCluesSelectionManager = horizontalCluesFocusable.create(
-        LinearSelectionManager(Key.DirectionRight, Key.DirectionLeft)
-    )
-
-    val verticalCluesFocusable = selectionManager.add()
-    val verticalCluesSelectionManager = verticalCluesFocusable.create(
-        LinearSelectionManager(Key.DirectionRight, Key.DirectionLeft)
-    )
-    Layout(
-        contents = listOf(
-            {
-                Box(modifier = Modifier.focus(gridFocusable))
-                LaunchedEffect(Unit) {
-                    if (gridFocusable is FocusFollowingFocusable) {
-                        gridFocusable.focusRequester.requestFocus()
-                    }
-                }
-            },
-            { Box(modifier = Modifier.focus(horizontalCluesFocusable)) },
-            { Box(modifier = Modifier.focus(verticalCluesFocusable)) },
-            { grid(gridSelectionManager) },
-            { horizontalClues(horizontalCluesSelectionManager) },
-            { verticalClues(verticalCluesSelectionManager) },
-            time,
-            divider,
-            divider
-        ),
-        modifier = modifier
-    ) { measurables, constraints ->
-        layout(width = constraints.maxWidth, height = constraints.maxHeight) {
-            val aspectRatio = AspectRatio.from(constraints)
-
-            val gridBoxMeasurable = measurables[0][0]
-            val horizontalCluesBoxMeasurable = measurables[1][0]
-            val verticalCluesBoxMeasurable = measurables[2][0]
-
-            val gridMeasurable = measurables[3][0]
-            val horizontalCluesMeasurables = measurables[4]
-            val verticalCluesMeasurables = measurables[5]
-            val timeMeasurable = measurables[6][0]
-            val dividerMeasurable = measurables[7][0]
-
-            val spacingPx = spacing.roundToPx()
-
-            when (aspectRatio) {
-                PORTRAIT -> {
-                    val divider2Measurable = measurables[8][0]
-                    portrait(
-                        constraints,
-                        spacingPx,
-                        gridMeasurable,
-                        gridBoxMeasurable,
-                        horizontalCluesMeasurables,
-                        horizontalCluesBoxMeasurable,
-                        verticalCluesMeasurables,
-                        verticalCluesBoxMeasurable,
-                        timeMeasurable,
-                        dividerMeasurable,
-                        divider2Measurable
-                    )
-                }
-
-                SQUARISH -> {
-                    squarish(
-                        constraints,
-                        spacingPx,
-                        gridMeasurable,
-                        gridBoxMeasurable,
-                        horizontalCluesMeasurables,
-                        horizontalCluesBoxMeasurable,
-                        verticalCluesMeasurables,
-                        verticalCluesBoxMeasurable,
-                        timeMeasurable
-                    )
-                }
-
-                LANDSCAPE -> {
-                    landscape(
-                        constraints,
-                        spacingPx,
-                        gridMeasurable,
-                        gridBoxMeasurable,
-                        horizontalCluesMeasurables,
-                        horizontalCluesBoxMeasurable,
-                        verticalCluesMeasurables,
-                        verticalCluesBoxMeasurable,
-                        timeMeasurable,
-                        dividerMeasurable
-                    )
-                }
-            }
-        }
-    }
-}
-
-private fun Placeable.PlacementScope.portrait(
-    constraints: Constraints,
-    spacingPx: Int,
-    gridMeasurable: Measurable,
-    gridBoxMeasurable: Measurable,
-    horizontalCluesMeasurables: List<Measurable>,
-    horizontalCluesBoxMeasurable: Measurable,
-    verticalCluesMeasurables: List<Measurable>,
-    verticalCluesBoxMeasurable: Measurable,
-    timeMeasurable: Measurable,
-    divider1Measurable: Measurable,
-    divider2Measurable: Measurable
-) {
-    val gridSize = constraints.maxWidth
-    val gridItemSize = (gridSize - 12 * spacingPx) / 18
-
-    val gridConstraints = fixed(gridSize, gridSize)
-    val horizontalCluesConstraints = fixed(
-        width = 3 * gridItemSize + 2 * spacingPx,
-        height = gridItemSize + 2 * spacingPx
-    )
-    val verticalCluesConstraints = fixed(
-        width = gridItemSize + 2 * spacingPx,
-        height = 3 * gridItemSize + 2 * spacingPx
-    )
-    val timeConstraints = Constraints()
-    val dividerConstraints = fixedWidth(gridSize)
-
-    val gridPlaceable = gridMeasurable.measure(gridConstraints)
-    val gridBoxPlaceable = gridBoxMeasurable.measure(gridConstraints)
-    val horizontalCluesPlaceables = horizontalCluesMeasurables.map {
-        it.measure(horizontalCluesConstraints)
-    }
-    val verticalCluesPlaceables = verticalCluesMeasurables.map {
-        it.measure(verticalCluesConstraints)
-    }
-    val timePlaceable = timeMeasurable.measure(timeConstraints)
-    val divider1Placeable = divider1Measurable.measure(dividerConstraints)
-    val divider2Placeable = divider2Measurable.measure(dividerConstraints)
-
-    val horizontalCluesBoxPlaceable = horizontalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = gridSize,
-                itemConstraints = horizontalCluesConstraints,
-                itemCount = horizontalCluesMeasurables.size
-            )
-        )
-    val verticalCluesBoxPlaceable = verticalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = gridSize,
-                itemConstraints = verticalCluesConstraints,
-                itemCount = verticalCluesMeasurables.size
-            )
-        )
-
-    // Position the grid
-    gridPlaceable.place(0, 0)
-    gridBoxPlaceable.place(0, 0)
-
-    divider1Placeable.place(0, gridSize + spacingPx)
-
-    // Position the horizontal clues
-    val horizontalCluesOffsetY = gridSize + 2 * spacingPx
-
-    var offsetY = placeClues(
-        placeables = horizontalCluesPlaceables,
-        offsetX = 0,
-        offsetY = horizontalCluesOffsetY,
-        maxWidth = gridSize
-    )
-    horizontalCluesBoxPlaceable.place(0, horizontalCluesOffsetY)
-    verticalCluesBoxPlaceable.place(0, horizontalCluesOffsetY)
-
-    // Add divider in between
-    divider2Placeable.place(0, offsetY + spacingPx)
-
-    // Position the vertical clues
-    val verticalCluesOffsetY = offsetY + spacingPx + divider2Placeable.height
-    offsetY = placeClues(
-        placeables = verticalCluesPlaceables,
-        offsetX = 0,
-        offsetY = verticalCluesOffsetY,
-        maxWidth = gridSize
-    )
-    verticalCluesBoxPlaceable.place(0, verticalCluesOffsetY)
-
-    // Position the time
-    val remainingSpace = constraints.maxHeight - offsetY
-    if (remainingSpace < timePlaceable.height) {
-        val scale = remainingSpace.toFloat() / timePlaceable.height.toFloat()
-        if (scale > 0.1f) {
-            timePlaceable.placeWithLayer(
-                x = constraints.maxWidth - timePlaceable.width - spacingPx,
-                y = constraints.maxHeight - timePlaceable.height
-            ) {
-                scaleX = scale
-                scaleY = scale
-                translationX = (timePlaceable.width * (1 - scale)) / 2f
-                translationY = (timePlaceable.height * (1 - scale)) / 2f
-            }
-        }
-    } else {
-        timePlaceable.place(
-            x = constraints.maxWidth - timePlaceable.width - spacingPx,
-            y = constraints.maxHeight - timePlaceable.height
-        )
-    }
-}
-
-private fun Placeable.PlacementScope.squarish(
-    constraints: Constraints,
-    spacingPx: Int,
-    gridMeasurable: Measurable,
-    gridBoxMeasurable: Measurable,
-    horizontalCluesMeasurables: List<Measurable>,
-    horizontalCluesBoxMeasurable: Measurable,
-    verticalCluesMeasurables: List<Measurable>,
-    verticalCluesBoxMeasurable: Measurable,
-    timeMeasurable: Measurable
-) {
-    val gridSize = (7 * min(constraints.maxWidth, constraints.maxHeight)) / 10
-    val gridItemSize = (gridSize - 12 * spacingPx) / 18
-    val rightBarWidth = constraints.maxWidth - gridSize - spacingPx
-
-    val gridConstraints = fixed(gridSize, gridSize)
-    val horizontalCluesConstraints = fixed(
-        width = 3 * gridItemSize + 2 * spacingPx,
-        height = gridItemSize + 2 * spacingPx
-    )
-    val verticalCluesConstraints = fixed(
-        width = gridItemSize + 2 * spacingPx,
-        height = 3 * gridItemSize + 2 * spacingPx
-    )
-    val timeConstraints = Constraints()
-
-    val gridPlaceable = gridMeasurable.measure(gridConstraints)
-    val gridBoxPlaceable = gridBoxMeasurable.measure(gridConstraints)
-    val horizontalCluesPlaceables = horizontalCluesMeasurables.map {
-        it.measure(horizontalCluesConstraints)
-    }
-    val horizontalCluesBoxPlaceable = horizontalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = rightBarWidth,
-                itemConstraints = horizontalCluesConstraints,
-                itemCount = horizontalCluesMeasurables.size
-            )
-        )
-
-    val verticalCluesPlaceables = verticalCluesMeasurables.map {
-        it.measure(verticalCluesConstraints)
-    }
-    val verticalCluesBoxPlaceable = verticalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = rightBarWidth,
-                itemConstraints = verticalCluesConstraints,
-                itemCount = verticalCluesMeasurables.size
-            )
-        )
-    val timePlaceable = timeMeasurable.measure(timeConstraints)
-
-    // Position the grid
-    gridPlaceable.place(0, 0)
-    gridBoxPlaceable.place(0, 0)
-
-    // Position the horizontal clues
-    val horizontalCluesOffsetX = gridSize + 2 * spacingPx
-    placeClues(
-        placeables = horizontalCluesPlaceables,
-        offsetX = horizontalCluesOffsetX,
-        offsetY = 0,
-        maxWidth = rightBarWidth
-    )
-    horizontalCluesBoxPlaceable.place(horizontalCluesOffsetX, 0)
-
-    // Position the vertical clues
-    val verticalCluesOffsetY = gridSize + 2 * spacingPx
-    placeClues(
-        placeables = verticalCluesPlaceables,
-        offsetX = 0,
-        offsetY = verticalCluesOffsetY,
-        maxWidth = gridSize
-    )
-    verticalCluesBoxPlaceable.place(0, verticalCluesOffsetY)
-
-    // Position the time
-    timePlaceable.place(
-        x = constraints.maxWidth - timePlaceable.width - spacingPx,
-        y = constraints.maxHeight - timePlaceable.height
-    )
-}
-
-private fun Placeable.PlacementScope.landscape(
-    constraints: Constraints,
-    spacingPx: Int,
-    gridMeasurable: Measurable,
-    gridBoxMeasurable: Measurable,
-    horizontalCluesMeasurables: List<Measurable>,
-    horizontalCluesBoxMeasurable: Measurable,
-    verticalCluesMeasurables: List<Measurable>,
-    verticalCluesBoxMeasurable: Measurable,
-    timeMeasurable: Measurable,
-    dividerMeasurable: Measurable
-) {
-    val gridSize = constraints.maxHeight
-    val gridItemSize = (gridSize - 12 * spacingPx) / 18
-    val rightBarWidth = constraints.maxWidth - gridSize - 2 * spacingPx
-
-    val gridConstraints = fixed(gridSize, gridSize)
-    val baseSpace = gridSize - 2 * spacingPx
-    val horizontalCluesConstraints = fixed(
-        width = 3 * gridItemSize + 2 * spacingPx,
-        height = gridItemSize + 2 * spacingPx
-    )
-    val verticalCluesConstraints = fixed(
-        width = gridItemSize + 2 * spacingPx,
-        height = 3 * gridItemSize + 2 * spacingPx
-    )
-    val timeConstraints = Constraints.fixedHeight(baseSpace / 10)
-    val dividerConstraints = fixedWidth(rightBarWidth - 2 * spacingPx)
-
-    val gridPlaceable = gridMeasurable.measure(gridConstraints)
-    val gridBoxPlaceable = gridBoxMeasurable.measure(gridConstraints)
-    val horizontalCluesPlaceables = horizontalCluesMeasurables.map {
-        it.measure(horizontalCluesConstraints)
-    }
-    val horizontalCluesBoxPlaceable = horizontalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = rightBarWidth,
-                itemConstraints = horizontalCluesConstraints,
-                itemCount = horizontalCluesMeasurables.size
-            )
-        )
-
-    val verticalCluesPlaceables = verticalCluesMeasurables.map {
-        it.measure(verticalCluesConstraints)
-    }
-    val verticalCluesBoxPlaceable = verticalCluesBoxMeasurable
-        .measure(
-            cluesBoxConstraints(
-                width = rightBarWidth,
-                itemConstraints = verticalCluesConstraints,
-                itemCount = verticalCluesMeasurables.size
-            )
-        )
-
-    val timePlaceable = timeMeasurable.measure(timeConstraints)
-    val dividerPlaceable = dividerMeasurable.measure(dividerConstraints)
-
-    // Position the grid
-    gridPlaceable.place(0, 0)
-    gridBoxPlaceable.place(0, 0)
-
-    // Position the horizontal clues4
-    val horizontalCluesOffsetX = gridSize + 2 * spacingPx
-    val offsetY = placeClues(
-        placeables = horizontalCluesPlaceables,
-        offsetX = horizontalCluesOffsetX,
-        offsetY = 0,
-        maxWidth = rightBarWidth
-    )
-    horizontalCluesBoxPlaceable.place(horizontalCluesOffsetX, 0)
-
-    // Add divider in between
-    dividerPlaceable.place(gridSize + 3 * spacingPx, offsetY + spacingPx)
-
-    // Position the vertical clues
-    val verticalCluesOffsetX = gridSize + 2 * spacingPx
-    val verticalCluesOffsetY = offsetY + spacingPx + dividerPlaceable.height
-    placeClues(
-        placeables = verticalCluesPlaceables,
-        offsetX = verticalCluesOffsetX,
-        offsetY = verticalCluesOffsetY,
-        maxWidth = rightBarWidth
-    )
-    verticalCluesBoxPlaceable.place(verticalCluesOffsetX, verticalCluesOffsetY)
-
-    // Position the time
-    timePlaceable.place(
-        x = constraints.maxWidth - timePlaceable.width - spacingPx,
-        y = constraints.maxHeight - timePlaceable.height
-    )
-}
-
-private fun cluesBoxConstraints(
-    width: Int,
-    itemConstraints: Constraints,
-    itemCount: Int
-): Constraints = fixed(
-    width,
-    itemConstraints.maxHeight * ceil(itemCount.toFloat() / (width / itemConstraints.maxWidth)).toInt()
-)
-
-private fun Placeable.PlacementScope.placeClues(
-    placeables: List<Placeable>,
-    offsetX: Int,
-    offsetY: Int,
-    maxWidth: Int
-): Int {
-    if (placeables.isEmpty()) return offsetY
-
-    val itemWidth = placeables.first().width
-    val itemHeight = placeables.first().height
-    val columns = max(1, maxWidth / itemWidth)
-    val spacing = if (columns == 1) 0 else (maxWidth - columns * itemWidth) / (columns - 1)
-    var currentX = offsetX
-    var currentY = offsetY
-    var i = 0
-    for (placeable in placeables) {
-        placeable.place(currentX, currentY)
-        currentX += itemWidth + spacing
-        i++
-        if (i % columns == 0 && i < placeables.size) {
-            currentX = offsetX
-            currentY += itemHeight
-        }
-    }
-    return currentY + itemHeight
-}
-

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/AspectRatio.kt

@@ -0,0 +1,21 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.ui.unit.Constraints
+
+enum class AspectRatio {
+    PORTRAIT, LANDSCAPE, SQUARISH;
+
+    companion object {
+        private const val ASPECT_RATIO_LANDSCAPE = 1.4f
+        private const val ASPECT_RATIO_PORTRAIT = 1 / ASPECT_RATIO_LANDSCAPE
+
+        fun from(constraints: Constraints): AspectRatio {
+            val ratio = constraints.maxWidth.toFloat() / constraints.maxHeight.toFloat()
+            return when {
+                ratio < ASPECT_RATIO_PORTRAIT -> PORTRAIT
+                ratio > ASPECT_RATIO_LANDSCAPE -> LANDSCAPE
+                else -> SQUARISH
+            }
+        }
+    }
+}

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/FocusGroup.kt

@@ -0,0 +1,13 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.ui.layout.Measurable
+
+data class FocusGroup(
+    val items: List<Measurable>,
+    val box: Measurable
+) {
+    val item: Measurable
+        get() = items.single()
+
+    val count = items.size
+}

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/adaptive game layout.kt

@@ -0,0 +1,157 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.key.Key
+import androidx.compose.ui.layout.Layout
+import androidx.compose.ui.layout.Placeable
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Constraints.Companion.fixed
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import ch.dissem.yaep.ui.common.focus.FocusFollowingFocusable
+import ch.dissem.yaep.ui.common.focus.GridSelectionManager
+import ch.dissem.yaep.ui.common.focus.LinearSelectionManager
+import ch.dissem.yaep.ui.common.focus.SelectionManager
+import ch.dissem.yaep.ui.common.layout.AspectRatio.LANDSCAPE
+import ch.dissem.yaep.ui.common.layout.AspectRatio.PORTRAIT
+import ch.dissem.yaep.ui.common.layout.AspectRatio.SQUARISH
+import kotlin.math.ceil
+import kotlin.math.max
+
+
+@Composable
+fun AdaptiveGameLayout(
+    modifier: Modifier = Modifier,
+    selectionManager: SelectionManager<FocusFollowingFocusable>,
+    grid: @Composable (GridSelectionManager) -> Unit,
+    horizontalClues: @Composable (SelectionManager<*>) -> Unit,
+    verticalClues: @Composable (SelectionManager<*>) -> Unit,
+    time: @Composable () -> Unit,
+    spacing: Dp = 8.dp
+) {
+    val gridFocusable = selectionManager.add()
+    val gridSelectionManager = gridFocusable.create(GridSelectionManager())
+
+    val horizontalCluesFocusable = selectionManager.add()
+    val horizontalCluesSelectionManager = horizontalCluesFocusable.create(
+        LinearSelectionManager(Key.DirectionRight, Key.DirectionLeft)
+    )
+
+    val verticalCluesFocusable = selectionManager.add()
+    val verticalCluesSelectionManager = verticalCluesFocusable.create(
+        LinearSelectionManager(Key.DirectionRight, Key.DirectionLeft)
+    )
+    Layout(
+        contents = listOf(
+            { grid(gridSelectionManager) },
+            { FocusBox(gridFocusable, requestFocus = true) },
+            { horizontalClues(horizontalCluesSelectionManager) },
+            { FocusBox(horizontalCluesFocusable) },
+            { verticalClues(verticalCluesSelectionManager) },
+            { FocusBox(verticalCluesFocusable) },
+            time,
+            {
+                HorizontalDivider()
+                HorizontalDivider()
+            }
+        ),
+        modifier = modifier
+    ) { measurables, constraints ->
+        layout(width = constraints.maxWidth, height = constraints.maxHeight) {
+            val aspectRatio = AspectRatio.from(constraints)
+
+            val gridGroup = FocusGroup(
+                measurables[0],
+                measurables[1][0],
+            )
+            val horizontalCluesGroup = FocusGroup(
+                measurables[2],
+                measurables[3][0]
+            )
+            val verticalCluesGroup = FocusGroup(
+                measurables[4],
+                measurables[5][0]
+            )
+            val timeMeasurable = measurables[6][0]
+            val dividerMeasurables = measurables[7]
+
+            val spacingPx = spacing.roundToPx()
+
+            when (aspectRatio) {
+                PORTRAIT -> {
+                    portrait(
+                        constraints,
+                        spacingPx,
+                        gridGroup,
+                        horizontalCluesGroup,
+                        verticalCluesGroup,
+                        timeMeasurable,
+                        dividerMeasurables
+                    )
+                }
+
+                SQUARISH -> {
+                    squarish(
+                        constraints,
+                        spacingPx,
+                        gridGroup,
+                        horizontalCluesGroup,
+                        verticalCluesGroup,
+                        timeMeasurable
+                    )
+                }
+
+                LANDSCAPE -> {
+                    landscape(
+                        constraints,
+                        spacingPx,
+                        gridGroup,
+                        horizontalCluesGroup,
+                        verticalCluesGroup,
+                        timeMeasurable,
+                        dividerMeasurables[0]
+                    )
+                }
+            }
+        }
+    }
+}
+
+internal fun cluesBoxConstraints(
+    width: Int,
+    itemConstraints: Constraints,
+    itemCount: Int
+): Constraints = fixed(
+    width,
+    itemConstraints.maxHeight * ceil(itemCount.toFloat() / (width / itemConstraints.maxWidth)).toInt()
+)
+
+internal fun Placeable.PlacementScope.placeClues(
+    placeables: List<Placeable>,
+    offsetX: Int,
+    offsetY: Int,
+    maxWidth: Int
+): Int {
+    if (placeables.isEmpty()) return offsetY
+
+    val itemWidth = placeables.first().width
+    val itemHeight = placeables.first().height
+    val columns = max(1, maxWidth / itemWidth)
+    val spacing = if (columns == 1) 0 else (maxWidth - columns * itemWidth) / (columns - 1)
+    var currentX = offsetX
+    var currentY = offsetY
+    var i = 0
+    for (placeable in placeables) {
+        placeable.place(currentX, currentY)
+        currentX += itemWidth + spacing
+        i++
+        if (i % columns == 0 && i < placeables.size) {
+            currentX = offsetX
+            currentY += itemHeight
+        }
+    }
+    return currentY + itemHeight
+}
+

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/focus box.kt

@@ -0,0 +1,44 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.focusable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.focus.onFocusEvent
+import androidx.compose.ui.graphics.Color
+import ch.dissem.yaep.ui.common.focus.FocusFollowingFocusable
+
+@Composable
+fun FocusBox(focusable: FocusFollowingFocusable, requestFocus: Boolean = false) {
+    val hasFocus by focusable.hasFocus.collectAsState(false)
+    Box(
+        modifier = Modifier
+            .focusRequester(focusable.focusRequester)
+            .onFocusEvent { state ->
+                focusable.setFocus(state)
+            }
+            .onFocusChanged {}
+            .focusable()
+            .clip(MaterialTheme.shapes.small)
+            .background(
+                if (hasFocus) {
+                    MaterialTheme.colorScheme.surfaceContainerHigh
+                } else {
+                    Color.Transparent
+                }
+            ),
+    )
+    if (requestFocus) {
+        LaunchedEffect(Unit) {
+            focusable.focusRequester.requestFocus()
+        }
+    }
+}

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/landscape.kt

@@ -0,0 +1,97 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.ui.layout.Measurable
+import androidx.compose.ui.layout.Placeable
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Constraints.Companion.fixed
+import androidx.compose.ui.unit.Constraints.Companion.fixedWidth
+
+internal fun Placeable.PlacementScope.landscape(
+    constraints: Constraints,
+    spacingPx: Int,
+    grid: FocusGroup,
+    horizontalClues: FocusGroup,
+    verticalClues: FocusGroup,
+    timeMeasurable: Measurable,
+    dividerMeasurable: Measurable
+) {
+    val gridSize = constraints.maxHeight
+    val gridItemSize = (gridSize - 12 * spacingPx) / 18
+    val rightBarWidth = constraints.maxWidth - gridSize - 2 * spacingPx
+
+    val gridConstraints = fixed(gridSize, gridSize)
+    val baseSpace = gridSize - 2 * spacingPx
+    val horizontalCluesConstraints = fixed(
+        width = 3 * gridItemSize + 2 * spacingPx,
+        height = gridItemSize + 2 * spacingPx
+    )
+    val verticalCluesConstraints = fixed(
+        width = gridItemSize + 2 * spacingPx,
+        height = 3 * gridItemSize + 2 * spacingPx
+    )
+    val timeConstraints = Constraints.fixedHeight(baseSpace / 10)
+    val dividerConstraints = fixedWidth(rightBarWidth - 2 * spacingPx)
+
+    val gridPlaceable = grid.item.measure(gridConstraints)
+    val gridBoxPlaceable = grid.box.measure(gridConstraints)
+    val horizontalCluesPlaceables = horizontalClues.items.map {
+        it.measure(horizontalCluesConstraints)
+    }
+    val horizontalCluesBoxPlaceable = horizontalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = rightBarWidth,
+                itemConstraints = horizontalCluesConstraints,
+                itemCount = horizontalClues.count
+            )
+        )
+
+    val verticalCluesPlaceables = verticalClues.items.map {
+        it.measure(verticalCluesConstraints)
+    }
+    val verticalCluesBoxPlaceable = verticalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = rightBarWidth,
+                itemConstraints = verticalCluesConstraints,
+                itemCount = verticalClues.count
+            )
+        )
+
+    val timePlaceable = timeMeasurable.measure(timeConstraints)
+    val dividerPlaceable = dividerMeasurable.measure(dividerConstraints)
+
+    // Position the grid
+    gridBoxPlaceable.place(0, 0)
+    gridPlaceable.place(0, 0)
+
+    // Position the horizontal clues4
+    val horizontalCluesOffsetX = gridSize + 2 * spacingPx
+    horizontalCluesBoxPlaceable.place(horizontalCluesOffsetX, 0)
+    val offsetY = placeClues(
+        placeables = horizontalCluesPlaceables,
+        offsetX = horizontalCluesOffsetX,
+        offsetY = 0,
+        maxWidth = rightBarWidth
+    )
+
+    // Add divider in between
+    dividerPlaceable.place(gridSize + 3 * spacingPx, offsetY + spacingPx)
+
+    // Position the vertical clues
+    val verticalCluesOffsetX = gridSize + 2 * spacingPx
+    val verticalCluesOffsetY = offsetY + spacingPx + dividerPlaceable.height
+    verticalCluesBoxPlaceable.place(verticalCluesOffsetX, verticalCluesOffsetY)
+    placeClues(
+        placeables = verticalCluesPlaceables,
+        offsetX = verticalCluesOffsetX,
+        offsetY = verticalCluesOffsetY,
+        maxWidth = rightBarWidth
+    )
+
+    // Position the time
+    timePlaceable.place(
+        x = constraints.maxWidth - timePlaceable.width - spacingPx,
+        y = constraints.maxHeight - timePlaceable.height
+    )
+}

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/portrait.kt

@@ -0,0 +1,114 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.ui.layout.Measurable
+import androidx.compose.ui.layout.Placeable
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Constraints.Companion.fixed
+import androidx.compose.ui.unit.Constraints.Companion.fixedWidth
+
+internal fun Placeable.PlacementScope.portrait(
+    constraints: Constraints,
+    spacingPx: Int,
+    grid: FocusGroup,
+    horizontalClues: FocusGroup,
+    verticalClues: FocusGroup,
+    timeMeasurable: Measurable,
+    dividerMeasurables: List<Measurable>
+) {
+    val gridSize = constraints.maxWidth
+    val gridItemSize = (gridSize - 12 * spacingPx) / 18
+
+    val gridConstraints = fixed(gridSize, gridSize)
+    val horizontalCluesConstraints = fixed(
+        width = 3 * gridItemSize + 2 * spacingPx,
+        height = gridItemSize + 2 * spacingPx
+    )
+    val verticalCluesConstraints = fixed(
+        width = gridItemSize + 2 * spacingPx,
+        height = 3 * gridItemSize + 2 * spacingPx
+    )
+    val timeConstraints = Constraints()
+    val dividerConstraints = fixedWidth(gridSize)
+
+    val gridPlaceable = grid.item.measure(gridConstraints)
+    val gridBoxPlaceable = grid.box.measure(gridConstraints)
+    val horizontalCluesPlaceables = horizontalClues.items.map {
+        it.measure(horizontalCluesConstraints)
+    }
+    val verticalCluesPlaceables = verticalClues.items.map {
+        it.measure(verticalCluesConstraints)
+    }
+    val timePlaceable = timeMeasurable.measure(timeConstraints)
+    val divider1Placeable = dividerMeasurables[0].measure(dividerConstraints)
+    val divider2Placeable = dividerMeasurables[1].measure(dividerConstraints)
+
+    val horizontalCluesBoxPlaceable = horizontalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = gridSize,
+                itemConstraints = horizontalCluesConstraints,
+                itemCount = horizontalClues.count
+            )
+        )
+    val verticalCluesBoxPlaceable = verticalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = gridSize,
+                itemConstraints = verticalCluesConstraints,
+                itemCount = verticalClues.count
+            )
+        )
+
+    // Position the grid
+    gridBoxPlaceable.place(0, 0)
+    gridPlaceable.place(0, 0)
+
+    divider1Placeable.place(0, gridSize + spacingPx)
+
+    // Position the horizontal clues
+    val horizontalCluesOffsetY = gridSize + 2 * spacingPx
+
+    horizontalCluesBoxPlaceable.place(0, horizontalCluesOffsetY)
+    var offsetY = placeClues(
+        placeables = horizontalCluesPlaceables,
+        offsetX = 0,
+        offsetY = horizontalCluesOffsetY,
+        maxWidth = gridSize
+    )
+
+    // Add divider in between
+    divider2Placeable.place(0, offsetY + spacingPx)
+
+    // Position the vertical clues
+    val verticalCluesOffsetY = offsetY + spacingPx + divider2Placeable.height
+    verticalCluesBoxPlaceable.place(0, verticalCluesOffsetY)
+    offsetY = placeClues(
+        placeables = verticalCluesPlaceables,
+        offsetX = 0,
+        offsetY = verticalCluesOffsetY,
+        maxWidth = gridSize
+    )
+    verticalCluesBoxPlaceable.place(0, verticalCluesOffsetY)
+
+    // Position the time
+    val remainingSpace = constraints.maxHeight - offsetY
+    if (remainingSpace < timePlaceable.height) {
+        val scale = remainingSpace.toFloat() / timePlaceable.height.toFloat()
+        if (scale > 0.1f) {
+            timePlaceable.placeWithLayer(
+                x = constraints.maxWidth - timePlaceable.width - spacingPx,
+                y = constraints.maxHeight - timePlaceable.height
+            ) {
+                scaleX = scale
+                scaleY = scale
+                translationX = (timePlaceable.width * (1 - scale)) / 2f
+                translationY = (timePlaceable.height * (1 - scale)) / 2f
+            }
+        }
+    } else {
+        timePlaceable.place(
+            x = constraints.maxWidth - timePlaceable.width - spacingPx,
+            y = constraints.maxHeight - timePlaceable.height
+        )
+    }
+}

commonUI/src/commonMain/kotlin/ch/dissem/yaep/ui/common/layout/squarish.kt

@@ -0,0 +1,89 @@
+package ch.dissem.yaep.ui.common.layout
+
+import androidx.compose.ui.layout.Measurable
+import androidx.compose.ui.layout.Placeable
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Constraints.Companion.fixed
+import kotlin.math.min
+
+internal fun Placeable.PlacementScope.squarish(
+    constraints: Constraints,
+    spacingPx: Int,
+    grid: FocusGroup,
+    horizontalClues: FocusGroup,
+    verticalClues: FocusGroup,
+    timeMeasurable: Measurable
+) {
+    val gridSize = (7 * min(constraints.maxWidth, constraints.maxHeight)) / 10
+    val gridItemSize = (gridSize - 12 * spacingPx) / 18
+    val rightBarWidth = constraints.maxWidth - gridSize - spacingPx
+
+    val gridConstraints = fixed(gridSize, gridSize)
+    val horizontalCluesConstraints = fixed(
+        width = 3 * gridItemSize + 2 * spacingPx,
+        height = gridItemSize + 2 * spacingPx
+    )
+    val verticalCluesConstraints = fixed(
+        width = gridItemSize + 2 * spacingPx,
+        height = 3 * gridItemSize + 2 * spacingPx
+    )
+    val timeConstraints = Constraints()
+
+
+    val gridPlaceable = grid.item.measure(gridConstraints)
+    val gridBoxPlaceable = grid.box.measure(gridConstraints)
+    val horizontalCluesPlaceables = horizontalClues.items.map {
+        it.measure(horizontalCluesConstraints)
+    }
+    val horizontalCluesBoxPlaceable = horizontalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = rightBarWidth,
+                itemConstraints = horizontalCluesConstraints,
+                itemCount = horizontalClues.count
+            )
+        )
+
+    val verticalCluesPlaceables = verticalClues.items.map {
+        it.measure(verticalCluesConstraints)
+    }
+    val verticalCluesBoxPlaceable = verticalClues.box
+        .measure(
+            cluesBoxConstraints(
+                width = rightBarWidth,
+                itemConstraints = verticalCluesConstraints,
+                itemCount = verticalClues.count
+            )
+        )
+    val timePlaceable = timeMeasurable.measure(timeConstraints)
+
+    // Position the grid
+    gridBoxPlaceable.place(0, 0)
+    gridPlaceable.place(0, 0)
+
+    // Position the horizontal clues
+    val horizontalCluesOffsetX = gridSize + 2 * spacingPx
+    horizontalCluesBoxPlaceable.place(horizontalCluesOffsetX, 0)
+    placeClues(
+        placeables = horizontalCluesPlaceables,
+        offsetX = horizontalCluesOffsetX,
+        offsetY = 0,
+        maxWidth = rightBarWidth
+    )
+
+    // Position the vertical clues
+    val verticalCluesOffsetY = gridSize + 2 * spacingPx
+    verticalCluesBoxPlaceable.place(0, verticalCluesOffsetY)
+    placeClues(
+        placeables = verticalCluesPlaceables,
+        offsetX = 0,
+        offsetY = verticalCluesOffsetY,
+        maxWidth = gridSize
+    )
+
+    // Position the time
+    timePlaceable.place(
+        x = constraints.maxWidth - timePlaceable.width - spacingPx,
+        y = constraints.maxHeight - timePlaceable.height
+    )
+}