save categories size

desktop/app/src/main/kotlin/com/abdownloadmanager/desktop/pages/home/HomeComponent.kt

@@ -18,7 +18,9 @@ import com.abdownloadmanager.desktop.utils.action.simpleAction
 import com.abdownloadmanager.desktop.utils.mvi.ContainsEffects
 import com.abdownloadmanager.desktop.utils.mvi.supportEffects
 import androidx.compose.runtime.*
+import androidx.compose.ui.unit.Dp
 import androidx.compose.ui.unit.DpSize
+import androidx.compose.ui.unit.coerceIn
 import androidx.compose.ui.unit.dp
 import com.arkivanov.decompose.ComponentContext
 import ir.amirab.downloader.downloaditem.DownloadCredentials
@@ -49,7 +51,7 @@ sealed interface HomeEffects {
     data object BringToFront : HomeEffects
 
     data class DeleteItems(
-        val list: List<Long>
+        val list: List<Long>,
     ) : HomeEffects
 }
 
@@ -272,9 +274,22 @@ class HomeComponent(
         _windowSize.update { dpSize }
     }
 
+    private val _categoriesWidth = homePageStateToPersist.mapTwoWayStateFlow(
+        map = {
+            it.categoriesWidth.dp.coerceIn(CATEGORIES_SIZE_RANGE)
+        },
+        unMap = {
+            copy(categoriesWidth = it.coerceIn(CATEGORIES_SIZE_RANGE).value)
+        }
+    )
+    val categoriesWidth = _categoriesWidth.asStateFlow()
+    fun setCategoriesWidth(updater: (Dp) -> Dp) {
+        _categoriesWidth.value = updater(_categoriesWidth.value)
+    }
+
 
     private fun requestDelete(
-        downloadList: List<Long>
+        downloadList: List<Long>,
     ) {
         sendEffect(HomeEffects.DeleteItems(downloadList))
     }
@@ -645,4 +660,8 @@ class HomeComponent(
         "DELETE" to downloadActions.deleteAction
         "ctrl I" to downloadActions.openDownloadDialogAction
     }
+
+    companion object {
+        val CATEGORIES_SIZE_RANGE = 0.dp..500.dp
+    }
 }

desktop/app/src/main/kotlin/com/abdownloadmanager/desktop/pages/home/HomePage.kt

@@ -22,7 +22,6 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import com.abdownloadmanager.desktop.ui.widget.Text
 import androidx.compose.runtime.*
-import com.abdownloadmanager.desktop.utils.externaldraggable.*
 import com.abdownloadmanager.desktop.utils.externaldraggable.onExternalDrag
 import androidx.compose.ui.*
 import androidx.compose.ui.draw.alpha
@@ -111,21 +110,24 @@ fun HomePage(component: HomeComponent) {
             Spacer(Modifier.height(4.dp))
             TopBar(component)
             Spacer(Modifier.height(6.dp))
-            Spacer(Modifier.fillMaxWidth()
-                .height(1.dp)
-                .background(myColors.surface)
+            Spacer(
+                Modifier.fillMaxWidth()
+                    .height(1.dp)
+                    .background(myColors.surface)
             )
             Row() {
-                var width by remember { mutableStateOf(170.dp) }
-                Categories(Modifier.padding(top = 8.dp)
-                    .width(width), component
+                val categoriesWidth by component.categoriesWidth.collectAsState()
+                Categories(
+                    Modifier.padding(top = 8.dp)
+                        .width(categoriesWidth), component
                 )
                 Spacer(Modifier.size(8.dp))
                 //split pane
-                Handle(Modifier.width(5.dp)
-                    .fillMaxHeight()
-                ) {
-                    width += it
+                Handle(
+                    Modifier.width(5.dp)
+                        .fillMaxHeight()
+                ) { delta ->
+                    component.setCategoriesWidth { it + delta }
                 }
                 Column(Modifier.weight(1f)) {
                     Row(
@@ -262,7 +264,7 @@ private fun ShowDeletePrompts(
                 ActionButton(
                     text = "Delete",
                     onClick = onConfirm,
-                    borderColor = SolidColor(myColors.error ),
+                    borderColor = SolidColor(myColors.error),
                     contentColor = myColors.error,
                 )
                 Spacer(Modifier.width(8.dp))
@@ -274,7 +276,7 @@ private fun ShowDeletePrompts(
 
 @Stable
 class DeletePromptState(
-    val downloadList: List<Long>
+    val downloadList: List<Long>,
 ) {
     var alsoDeleteFile by mutableStateOf(false)
 }

desktop/app/src/main/kotlin/com/abdownloadmanager/desktop/pages/home/HomePersistedState.kt

@@ -17,6 +17,7 @@ import org.koin.core.component.inject
 data class HomePageStateToPersist(
     val downloadListState: TableState.SerializableTableState? = null,
     val windowSize: Pair<Float, Float> = 1000f to 500f,
+    val categoriesWidth: Float = 170f,
 ) {
     class ConfigLens(prefix: String) : Lens<MapConfig, HomePageStateToPersist>,
         KoinComponent {
@@ -25,6 +26,7 @@ data class HomePageStateToPersist(
         class Keys(prefix: String) {
             val windowWidth = floatKeyOf("${prefix}window.width")
             val windowHeight = floatKeyOf("${prefix}window.height")
+            val categoriesWidth = floatKeyOf("${prefix}categories.width")
             val downloadListTableState = keyOfEncoded<TableState.SerializableTableState>("${prefix}downloadListState")
         }
 
@@ -34,6 +36,7 @@ data class HomePageStateToPersist(
             return with(json) {
                 HomePageStateToPersist(
                     downloadListState = source.getDecoded(keys.downloadListTableState),
+                    categoriesWidth = source.get(keys.categoriesWidth) ?: default.categoriesWidth,
                     windowSize = run {
                         val width = source.get(keys.windowWidth)
                         val height = source.get(keys.windowHeight)
@@ -51,6 +54,7 @@ data class HomePageStateToPersist(
             with(json) {
                 source.put(keys.windowWidth, focus.windowSize.first)
                 source.put(keys.windowHeight, focus.windowSize.second)
+                source.put(keys.categoriesWidth, focus.categoriesWidth)
                 source.putEncodedNullable(keys.downloadListTableState, focus.downloadListState)
             }
             return source