🚀 Change Paragraph Indentation to Slider

* Changed "Paragraph indentation" option in Reader to use Slider
* In range from 0pt to 10pt (1pt = " ")

app/src/main/java/ua/acclorite/book_story/presentation/core/constants/DataStoreConstants.kt

@@ -27,7 +27,7 @@ object DataStoreConstants {
     val FONT_SIZE = intPreferencesKey("font_size")
     val LINE_HEIGHT = intPreferencesKey("line_height")
     val PARAGRAPH_HEIGHT = intPreferencesKey("paragraph_height")
-    val PARAGRAPH_INDENTATION = booleanPreferencesKey("paragraph_indentation")
+    val PARAGRAPH_INDENTATION = intPreferencesKey("paragraph_indentation_int")
     val TEXT_ALIGNMENT = stringPreferencesKey("text_alignment")
     val LETTER_SPACING = intPreferencesKey("letter_spacing")
     val CUTOUT_PADDING = booleanPreferencesKey("cutout_padding")

app/src/main/java/ua/acclorite/book_story/presentation/data/MainEvent.kt

@@ -14,7 +14,7 @@ sealed class MainEvent {
     data class OnChangeFontSize(val fontSize: Int) : MainEvent()
     data class OnChangeLineHeight(val lineHeight: Int) : MainEvent()
     data class OnChangeParagraphHeight(val paragraphHeight: Int) : MainEvent()
-    data class OnChangeParagraphIndentation(val bool: Boolean) : MainEvent()
+    data class OnChangeParagraphIndentation(val indentation: Int) : MainEvent()
     data class OnChangeShowStartScreen(val bool: Boolean) : MainEvent()
     data class OnChangeCheckForUpdates(val bool: Boolean) : MainEvent()
     data class OnChangeSidePadding(val sidePadding: Int) : MainEvent()

app/src/main/java/ua/acclorite/book_story/presentation/data/MainState.kt

@@ -63,7 +63,7 @@ data class MainState(
     val fontSize: Int = provideDefaultValue { 16 },
     val lineHeight: Int = provideDefaultValue { 4 },
     val paragraphHeight: Int = provideDefaultValue { 8 },
-    val paragraphIndentation: Boolean = provideDefaultValue { false },
+    val paragraphIndentation: Int = provideDefaultValue { 0 },
     val sidePadding: Int = provideDefaultValue { 6 },
     val verticalPadding: Int = provideDefaultValue { 0 },
     val doubleClickTranslation: Boolean = provideDefaultValue { false },

app/src/main/java/ua/acclorite/book_story/presentation/data/MainViewModel.kt

@@ -169,10 +169,10 @@ class MainViewModel @Inject constructor(
 
             is MainEvent.OnChangeParagraphIndentation -> {
                 viewModelScope.launch(Dispatchers.IO) {
-                    setDatastore.execute(DataStoreConstants.PARAGRAPH_INDENTATION, event.bool)
+                    setDatastore.execute(DataStoreConstants.PARAGRAPH_INDENTATION, event.indentation)
                     updateStateWithSavedHandle {
                         it.copy(
-                            paragraphIndentation = event.bool
+                            paragraphIndentation = event.indentation
                         )
                     }
                 }

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/ReaderScreen.kt

@@ -247,6 +247,13 @@ private fun ReaderScreen(lazyListState: LazyListState) {
             false -> FontStyle.Normal
         }
     }
+    val paragraphIndentation = remember(mainState.value.paragraphIndentation) {
+        var indentation = ""
+        repeat(mainState.value.paragraphIndentation) {
+            indentation += " "
+        }
+        indentation
+    }
 
     val density = LocalDensity.current
     val layoutDirection = LocalLayoutDirection.current
@@ -457,7 +464,7 @@ private fun ReaderScreen(lazyListState: LazyListState) {
                         fontSize = mainState.value.fontSize.sp,
                         letterSpacing = letterSpacing,
                         sidePadding = sidePadding,
-                        paragraphIndentation = mainState.value.paragraphIndentation,
+                        paragraphIndentation = paragraphIndentation,
                         fullscreenMode = mainState.value.fullscreen,
                         doubleClickTranslationEnabled = mainState.value.doubleClickTranslation,
                         toolbarHidden = toolbarHidden

app/src/main/java/ua/acclorite/book_story/presentation/screens/reader/components/ReaderTextParagraph.kt

@@ -41,7 +41,7 @@ import ua.acclorite.book_story.presentation.screens.settings.nested.reader.data.
  * @param fontSize Line's font size.
  * @param letterSpacing Letter spacing.
  * @param sidePadding Line's side padding.
- * @param paragraphIndentation Whether Paragraph Indentation is enabled for this line.
+ * @param paragraphIndentation Paragraph Indentation for this line.
  * @param fullscreenMode Whether Reader is in fullscreen mode.
  * @param doubleClickTranslationEnabled Whether Double Click Translation is enabled.
  * @param toolbarHidden Whether selection toolBar is hidden.
@@ -59,7 +59,7 @@ fun LazyItemScope.ReaderTextParagraph(
     fontSize: TextUnit,
     letterSpacing: TextUnit,
     sidePadding: Dp,
-    paragraphIndentation: Boolean,
+    paragraphIndentation: String,
     fullscreenMode: Boolean,
     doubleClickTranslationEnabled: Boolean,
     toolbarHidden: Boolean
@@ -82,10 +82,7 @@ fun LazyItemScope.ReaderTextParagraph(
     ) {
         BasicText(
             text = buildAnnotatedString {
-                if (paragraphIndentation) {
+                append(paragraphIndentation)
-                    append("  ")
-                }
-
                 append(line)
             },
             modifier = Modifier.then(

app/src/main/java/ua/acclorite/book_story/presentation/screens/settings/nested/reader/components/settings/ParagraphIndentationSetting.kt

@@ -5,7 +5,7 @@ import androidx.compose.ui.res.stringResource
 import ua.acclorite.book_story.R
 import ua.acclorite.book_story.presentation.core.components.LocalMainViewModel
 import ua.acclorite.book_story.presentation.data.MainEvent
-import ua.acclorite.book_story.presentation.screens.settings.components.SwitchWithTitle
+import ua.acclorite.book_story.presentation.screens.settings.components.SliderWithTitle
 
 /**
  * Paragraph Indentation setting.
@@ -16,12 +16,15 @@ fun ParagraphIndentationSetting() {
     val state = LocalMainViewModel.current.state
     val onMainEvent = LocalMainViewModel.current.onEvent
 
-    SwitchWithTitle(
+    SliderWithTitle(
-        selected = state.value.paragraphIndentation,
+        value = state.value.paragraphIndentation to "pt",
-        title = stringResource(id = R.string.paragraph_indentation_option)
+        fromValue = 0,
-    ) {
+        toValue = 10,
+        title = stringResource(id = R.string.paragraph_indentation_option),
+        onValueChange = {
             onMainEvent(
-            MainEvent.OnChangeParagraphIndentation(!state.value.paragraphIndentation)
+                MainEvent.OnChangeParagraphIndentation(it)
             )
         }
+    )
 }