文件夹样式可与书架样式分开设置

app/src/main/java/io/legado/app/constant/PreferKey.kt

@@ -259,6 +259,12 @@ object PreferKey {
     const val bookshelfLayoutGridPortrait = "bookshelfLayoutGridPortrait"
     const val bookshelfLayoutListLandscape = "bookshelfLayoutListLandscape"
     const val bookshelfLayoutListPortrait = "bookshelfLayoutListPortrait"
+    const val bookshelfFolderLayoutModePortrait = "bookshelfFolderLayoutModePortrait"
+    const val bookshelfFolderLayoutModeLandscape = "bookshelfFolderLayoutModeLandscape"
+    const val bookshelfFolderLayoutGridPortrait = "bookshelfFolderLayoutGridPortrait"
+    const val bookshelfFolderLayoutGridLandscape = "bookshelfFolderLayoutGridLandscape"
+    const val bookshelfFolderLayoutListPortrait = "bookshelfFolderLayoutListPortrait"
+    const val bookshelfFolderLayoutListLandscape = "bookshelfFolderLayoutListLandscape"
     const val bookshelfTitleSmallFont = "bookshelfTitleSmallFont"
     const val bookshelfTitleCenter = "bookshelfTitleCenter"
     const val bookshelfTitleMaxLines = "bookshelfTitleMaxLines"

app/src/main/java/io/legado/app/ui/config/bookshelfConfig/BookshelfConfig.kt

@@ -123,6 +123,36 @@ object BookshelfConfig {
      */
     var bookshelfLayoutListLandscape by prefDelegate(PreferKey.bookshelfLayoutListLandscape, 1)
 
+    /**
+     * 文件夹竖屏布局模式: 0:列表, 1:网格
+     */
+    var bookshelfFolderLayoutModePortrait by prefDelegate(PreferKey.bookshelfFolderLayoutModePortrait, 1)
+
+    /**
+     * 文件夹竖屏网格列数
+     */
+    var bookshelfFolderLayoutGridPortrait by prefDelegate(PreferKey.bookshelfFolderLayoutGridPortrait, 3)
+
+    /**
+     * 文件夹横屏布局模式: 0:列表, 1:网格
+     */
+    var bookshelfFolderLayoutModeLandscape by prefDelegate(PreferKey.bookshelfFolderLayoutModeLandscape, 1)
+
+    /**
+     * 文件夹横屏网格列数
+     */
+    var bookshelfFolderLayoutGridLandscape by prefDelegate(PreferKey.bookshelfFolderLayoutGridLandscape, 7)
+
+    /**
+     * 文件夹竖屏列表列数
+     */
+    var bookshelfFolderLayoutListPortrait by prefDelegate(PreferKey.bookshelfFolderLayoutListPortrait, 1)
+
+    /**
+     * 文件夹横屏列表列数
+     */
+    var bookshelfFolderLayoutListLandscape by prefDelegate(PreferKey.bookshelfFolderLayoutListLandscape, 1)
+
     /**
      * 网格模式布局样式: 0:标准, 1:紧凑, 2:仅封面
      */

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfConfigSheet.kt

@@ -91,10 +91,13 @@ fun BookshelfConfigSheet(
                 onValueChange = { BookshelfConfig.bookshelfSortOrder = it.toInt() }
             )
 
-            // Layout Mode
+            // Layout Mode (non-folder)
             val layoutMode =
                 if (isLandscape) BookshelfConfig.bookshelfLayoutModeLandscape
                 else BookshelfConfig.bookshelfLayoutModePortrait
+            val folderLayoutMode =
+                if (isLandscape) BookshelfConfig.bookshelfFolderLayoutModeLandscape
+                else BookshelfConfig.bookshelfFolderLayoutModePortrait
 
             CompactDropdownSettingItem(
                 title = stringResource(R.string.layout_mode),
@@ -108,8 +111,57 @@ fun BookshelfConfigSheet(
                 }
             )
 
+            // Folder Layout Mode
+            AnimatedVisibility(visible = BookshelfConfig.bookGroupStyle == 2) {
+                Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
+                    CompactDropdownSettingItem(
+                        title = "文件夹布局模式",
+                        description = stringResource(if (isLandscape) R.string.screen_landscape else R.string.screen_portrait),
+                        selectedValue = folderLayoutMode.toString(),
+                        displayEntries = arrayOf(stringResource(R.string.layout_mode_list), stringResource(R.string.layout_mode_grid)),
+                        entryValues = arrayOf("0", "1"),
+                        onValueChange = {
+                            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutModeLandscape = it.toInt()
+                            else BookshelfConfig.bookshelfFolderLayoutModePortrait = it.toInt()
+                        }
+                    )
+
+                    AnimatedVisibility(visible = folderLayoutMode == 1) {
+                        val folderGridCount =
+                            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutGridLandscape
+                            else BookshelfConfig.bookshelfFolderLayoutGridPortrait
+                        CompactSliderSettingItem(
+                            title = stringResource(R.string.number_rows_columns),
+                            value = folderGridCount.toFloat(),
+                            valueRange = 1f..15f,
+                            steps = 14,
+                            onValueChange = {
+                                if (isLandscape) BookshelfConfig.bookshelfFolderLayoutGridLandscape = it.toInt()
+                                else BookshelfConfig.bookshelfFolderLayoutGridPortrait = it.toInt()
+                            }
+                        )
+                    }
+
+                    AnimatedVisibility(visible = folderLayoutMode != 1) {
+                        val folderListCount =
+                            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutListLandscape
+                            else BookshelfConfig.bookshelfFolderLayoutListPortrait
+                        CompactSliderSettingItem(
+                            title = stringResource(R.string.number_rows_columns),
+                            value = folderListCount.toFloat(),
+                            valueRange = 1f..5f,
+                            steps = 4,
+                            onValueChange = {
+                                if (isLandscape) BookshelfConfig.bookshelfFolderLayoutListLandscape = it.toInt()
+                                else BookshelfConfig.bookshelfFolderLayoutListPortrait = it.toInt()
+                            }
+                        )
+                    }
+                }
+            }
+
             AnimatedVisibility(
-                visible = BookshelfConfig.bookGroupStyle == 2 && layoutMode == 0
+                visible = BookshelfConfig.bookGroupStyle == 2 && folderLayoutMode == 0
             ) {
                 Column(
                     verticalArrangement = Arrangement.spacedBy(8.dp)

app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfScreen.kt

@@ -333,6 +333,21 @@ fun BookshelfScreen(
             if (isLandscape) BookshelfConfig.bookshelfLayoutListLandscape else BookshelfConfig.bookshelfLayoutListPortrait
         }
     }
+    val bookshelfFolderLayoutMode by remember {
+        derivedStateOf {
+            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutModeLandscape else BookshelfConfig.bookshelfFolderLayoutModePortrait
+        }
+    }
+    val bookshelfFolderLayoutGrid by remember {
+        derivedStateOf {
+            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutGridLandscape else BookshelfConfig.bookshelfFolderLayoutGridPortrait
+        }
+    }
+    val bookshelfFolderLayoutList by remember {
+        derivedStateOf {
+            if (isLandscape) BookshelfConfig.bookshelfFolderLayoutListLandscape else BookshelfConfig.bookshelfFolderLayoutListPortrait
+        }
+    }
     val currentMenuGroupId by remember {
         derivedStateOf { if (uiState.isSearch) uiState.selectedGroupId else currentTabGroupId }
     }
@@ -682,8 +697,8 @@ fun BookshelfScreen(
             ) { isRoot ->
                 if (bookGroupStyle == 2 && isRoot && !isUsingStandaloneSearchGroup) {
                     val folderColumns =
-                        if (bookshelfLayoutMode == 0) bookshelfLayoutList else bookshelfLayoutGrid
+                        if (bookshelfFolderLayoutMode == 0) bookshelfFolderLayoutList else bookshelfFolderLayoutGrid
-                    val isGridMode = bookshelfLayoutMode != 0
+                    val isGridMode = bookshelfFolderLayoutMode != 0
                     FastScrollLazyVerticalGrid(
                         columns = GridCells.Fixed(folderColumns.coerceAtLeast(1)),
                         modifier = Modifier
@@ -712,7 +727,7 @@ fun BookshelfScreen(
                             } else {
                                 null
                             }
-                            if (bookshelfLayoutMode == 0) {
+                            if (bookshelfFolderLayoutMode == 0) {
                                 BookGroupItemList(
                                     group = group,
                                     previewBooks = uiState.groupPreviews[group.groupId]