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Merge pull request #12 from timhuang1018/feature/sudoku-grid-crop-hint
Feature/sudoku grid crop hint window
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84 changes: 84 additions & 0 deletions
84
krop-core/src/commonMain/kotlin/io/keeppro/widget/CropHintWindow.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| package io.keeppro.widget | ||
|
|
||
| import androidx.compose.animation.AnimatedVisibility | ||
| import androidx.compose.animation.EnterTransition | ||
| import androidx.compose.animation.fadeOut | ||
| import androidx.compose.foundation.layout.BoxScope | ||
| 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.runtime.rememberCoroutineScope | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.geometry.Rect | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.layout.layout | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.Job | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.collectLatest | ||
| import kotlinx.coroutines.launch | ||
| import kotlinx.coroutines.withContext | ||
|
|
||
| @Composable | ||
| fun BoxScope.CropHintWindow( | ||
| gridLineColor: Color, | ||
| cropWindow: Rect, | ||
| windowStateFlow: MutableStateFlow<Boolean>, | ||
| ) { | ||
| var cropWindowVisible by remember { mutableStateOf(false) } | ||
| var delayJob by remember { mutableStateOf<Job?>(null) } | ||
| val scope = rememberCoroutineScope() | ||
|
|
||
| LaunchedEffect(Unit) { | ||
| windowStateFlow.collectLatest { | ||
| cropWindowVisible = it | ||
| if (it) { | ||
| delayJob?.cancel() | ||
| delayJob = scope.launch { | ||
| delay(1500) | ||
| withContext(Dispatchers.Main) { | ||
| windowStateFlow.value = false | ||
| } | ||
| } | ||
| } else { | ||
| delayJob?.cancel() | ||
| delayJob = null | ||
| } | ||
| } | ||
| } | ||
|
|
||
|
|
||
| AnimatedVisibility( | ||
| visible = cropWindowVisible, | ||
| enter = EnterTransition.None, | ||
| exit = fadeOut() | ||
| ) { | ||
|
|
||
| SudokuGrid( | ||
| gridLineColor = gridLineColor, | ||
| modifier = Modifier.layout { measurable, constraints -> | ||
| val placeable = measurable.measure( | ||
| constraints = constraints.copy( | ||
| maxWidth = cropWindow.width.toInt(), | ||
| maxHeight = cropWindow.height.toInt(), | ||
| minWidth = cropWindow.width.toInt(), | ||
| minHeight = cropWindow.height.toInt() | ||
| ) | ||
| ) | ||
| layout( | ||
| width = cropWindow.width.toInt(), | ||
| height = cropWindow.height.toInt() | ||
| ) { | ||
| placeable.place( | ||
| (-cropWindow.topLeft.x.toInt()), | ||
| (-cropWindow.topLeft.y.toInt()) | ||
| ) | ||
| } | ||
| }) | ||
| } | ||
|
|
||
| } |
39 changes: 39 additions & 0 deletions
39
krop-core/src/commonMain/kotlin/io/keeppro/widget/SudokuGrid.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package io.keeppro.widget | ||
|
|
||
| import androidx.compose.foundation.Canvas | ||
| import androidx.compose.foundation.layout.BoxScope | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.geometry.Offset | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.unit.dp | ||
|
|
||
| @Composable | ||
| fun BoxScope.SudokuGrid(gridLineColor: Color, modifier: Modifier = Modifier) { | ||
| Canvas(modifier = modifier) { | ||
| val gridSize = 3 // For a 3x3 grid | ||
| val lineThickness = 2.dp.toPx() | ||
| val cellSizeX = size.width / gridSize | ||
| val cellSizeY = size.height / gridSize | ||
|
|
||
| // Draw the grid lines | ||
| for (i in 1 until gridSize) { | ||
| val x = i * cellSizeX | ||
| val y = i * cellSizeY | ||
| if (i < gridSize) { | ||
| drawLine( | ||
| color = gridLineColor, | ||
| start = Offset(x, 0f), | ||
| end = Offset(x, size.height), | ||
| strokeWidth = lineThickness | ||
| ) | ||
| } | ||
| drawLine( | ||
| color = gridLineColor, | ||
| start = Offset(0f, y), | ||
| end = Offset(size.width, y), | ||
| strokeWidth = lineThickness | ||
| ) | ||
| } | ||
| } | ||
| } |
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