- recolor chip when background = list color

- auto update custom widget color preview

app/src/main/java/org/tasks/preferences/fragments/WidgetSettings.kt

@@ -164,6 +164,7 @@ class WidgetSettings : InjectingPreferenceFragment() {
         updateFilter()
         updateTheme()
         updateColor()
+        updateCustomThemeColor()
 
         val customThemeColor = findPreference(R.string.p_widget_custom_theme_color)
         customThemeColor.onPreferenceClickListener = Preference.OnPreferenceClickListener {

app/src/main/java/org/tasks/widget/TasksWidgetViewFactory.kt

@@ -64,6 +64,14 @@ internal class TasksWidgetViewFactory(
 
     init {
         chipProvider.isDark = settings.isDark
+
+        val widgetThemes = context.resources.getStringArray(R.array.widget_themes)
+        val customThemeName = context.getString(R.string.theme_custom)
+        val customThemeIndex = widgetThemes.indexOf(customThemeName)
+
+        if (widgetPreferences.themeIndex == customThemeIndex) {
+            chipProvider.customBackgroundColor = widgetPreferences.customThemeColor
+        }
     }
 
     override fun onCreate() {}

app/src/main/java/org/tasks/widget/WidgetChipProvider.kt

@@ -32,6 +32,7 @@ class WidgetChipProvider @Inject constructor(
     private val inventory: Inventory,
 ) {
     var isDark = false
+    @ColorInt var customBackgroundColor: Int? = null
 
     fun getSubtaskChip(task: TaskContainer): RemoteViews {
         return newChip().apply {
@@ -127,13 +128,18 @@ class WidgetChipProvider @Inject constructor(
         }
 
     private fun newChip(@ColorInt color: Int = 0) = RemoteViews(BuildConfig.APPLICATION_ID, R.layout.widget_chip).apply {
-        val tint = if (color == 0) {
+        var tint = if (color == 0) {
             context.getColor(
                 if (isDark) R.color.icon_tint_dark_alpha else R.color.icon_tint_light_alpha
             )
         } else {
             color
         }
+
+        if (customBackgroundColor != null && tint == customBackgroundColor) {
+            tint = context.getColor(if (isDark) R.color.white_87 else R.color.black_87)
+        }
+
         setColorFilter(R.id.chip_icon, tint)
         setColorFilter(R.id.chip_background, tint)
         setTextColor(R.id.chip_text, tint)