android: Reset setting on long press

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/AbstractSetting.kt

@@ -8,4 +8,5 @@ interface AbstractSetting {
     val section: String?
     val isRuntimeEditable: Boolean
     val valueAsString: String
+    val defaultValue: Any
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/BooleanSetting.kt

@@ -6,7 +6,7 @@ package org.yuzu.yuzu_emu.features.settings.model
 enum class BooleanSetting(
     override val key: String,
     override val section: String,
-    val defaultValue: Boolean
+    override val defaultValue: Boolean
 ) : AbstractBooleanSetting {
     // No boolean settings currently exist
     EMPTY_SETTING("", "", false);

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/FloatSetting.kt

@@ -6,7 +6,7 @@ package org.yuzu.yuzu_emu.features.settings.model
 enum class FloatSetting(
     override val key: String,
     override val section: String,
-    val defaultValue: Float
+    override val defaultValue: Float
 ) : AbstractFloatSetting {
     // No float settings currently exist
     EMPTY_SETTING("", "", 0f);

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/IntSetting.kt

@@ -6,7 +6,7 @@ package org.yuzu.yuzu_emu.features.settings.model
 enum class IntSetting(
     override val key: String,
     override val section: String,
-    val defaultValue: Int
+    override val defaultValue: Int
 ) : AbstractIntSetting {
     RENDERER_USE_SPEED_LIMIT(
         "use_speed_limit",

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/StringSetting.kt

@@ -6,7 +6,7 @@ package org.yuzu.yuzu_emu.features.settings.model
 enum class StringSetting(
     override val key: String,
     override val section: String,
-    defaultValue: String
+    override val defaultValue: String
 ) : AbstractStringSetting {
     // No string settings currently exist
     EMPTY_SETTING("", "", "");

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/model/view/DateTimeSetting.kt

@@ -5,7 +5,6 @@ package org.yuzu.yuzu_emu.features.settings.model.view
 
 import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
 import org.yuzu.yuzu_emu.features.settings.model.AbstractStringSetting
-import org.yuzu.yuzu_emu.features.settings.model.StringSetting
 
 class DateTimeSetting(
     val key: String? = null,

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsAdapter.kt

@@ -13,6 +13,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.setFragmentResultListener
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.datepicker.MaterialDatePicker
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -24,6 +25,11 @@ import org.yuzu.yuzu_emu.databinding.DialogSliderBinding
 import org.yuzu.yuzu_emu.databinding.ListItemSettingBinding
 import org.yuzu.yuzu_emu.databinding.ListItemSettingSwitchBinding
 import org.yuzu.yuzu_emu.databinding.ListItemSettingsHeaderBinding
+import org.yuzu.yuzu_emu.features.settings.model.AbstractBooleanSetting
+import org.yuzu.yuzu_emu.features.settings.model.AbstractFloatSetting
+import org.yuzu.yuzu_emu.features.settings.model.AbstractIntSetting
+import org.yuzu.yuzu_emu.features.settings.model.AbstractSetting
+import org.yuzu.yuzu_emu.features.settings.model.AbstractStringSetting
 import org.yuzu.yuzu_emu.features.settings.model.FloatSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.*
 import org.yuzu.yuzu_emu.features.settings.ui.viewholder.*
@@ -52,21 +58,27 @@ class SettingsAdapter(
             SettingsItem.TYPE_HEADER -> {
                 HeaderViewHolder(ListItemSettingsHeaderBinding.inflate(inflater), this)
             }
+
             SettingsItem.TYPE_SWITCH -> {
                 SwitchSettingViewHolder(ListItemSettingSwitchBinding.inflate(inflater), this)
             }
+
             SettingsItem.TYPE_SINGLE_CHOICE, SettingsItem.TYPE_STRING_SINGLE_CHOICE -> {
                 SingleChoiceViewHolder(ListItemSettingBinding.inflate(inflater), this)
             }
+
             SettingsItem.TYPE_SLIDER -> {
                 SliderViewHolder(ListItemSettingBinding.inflate(inflater), this)
             }
+
             SettingsItem.TYPE_SUBMENU -> {
                 SubmenuViewHolder(ListItemSettingBinding.inflate(inflater), this)
             }
+
             SettingsItem.TYPE_DATETIME_SETTING -> {
                 DateTimeViewHolder(ListItemSettingBinding.inflate(inflater), this)
             }
+
             else -> {
                 // TODO: Create an error view since we can't return null now
                 HeaderViewHolder(ListItemSettingsHeaderBinding.inflate(inflater), this)
@@ -176,7 +188,10 @@ class SettingsAdapter(
             item.setSelectedValue(rtcString)
             clickedItem = null
         }
-        datePicker.show((fragmentView.activityView as AppCompatActivity).supportFragmentManager, "DatePicker")
+        datePicker.show(
+            (fragmentView.activityView as AppCompatActivity).supportFragmentManager,
+            "DatePicker"
+        )
     }
 
     fun onSliderClick(item: SliderSetting, position: Int) {
@@ -231,6 +246,7 @@ class SettingsAdapter(
                 fragmentView.putSetting(setting)
                 closeDialog()
             }
+
             is StringSingleChoiceSetting -> {
                 val scSetting = clickedItem as StringSingleChoiceSetting
                 val value = scSetting.getValueAt(which)
@@ -239,6 +255,7 @@ class SettingsAdapter(
                 fragmentView.putSetting(setting)
                 closeDialog()
             }
+
             is SliderSetting -> {
                 val sliderSetting = clickedItem as SliderSetting
                 if (sliderSetting.selectedValue != sliderProgress) {
@@ -259,6 +276,25 @@ class SettingsAdapter(
         sliderProgress = -1
     }
 
+    fun onLongClick(setting: AbstractSetting, position: Int): Boolean {
+        MaterialAlertDialogBuilder(context)
+            .setMessage(R.string.reset_setting_confirmation)
+            .setPositiveButton(android.R.string.ok) { dialog: DialogInterface, which: Int ->
+                when (setting) {
+                    is AbstractBooleanSetting -> setting.boolean = setting.defaultValue as Boolean
+                    is AbstractFloatSetting -> setting.float = setting.defaultValue as Float
+                    is AbstractIntSetting -> setting.int = setting.defaultValue as Int
+                    is AbstractStringSetting -> setting.string = setting.defaultValue as String
+                }
+                notifyItemChanged(position)
+                fragmentView.onSettingChanged()
+            }
+            .setNegativeButton(android.R.string.cancel, null)
+            .show()
+
+        return true
+    }
+
     fun closeDialog() {
         if (dialog != null) {
             if (clickedPosition != -1) {

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/SettingsFragmentPresenter.kt

@@ -326,6 +326,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val isRuntimeEditable: Boolean = false
                 override val valueAsString: String
                     get() = preferences.getInt(Settings.PREF_THEME, 0).toString()
+                override val defaultValue: Any = 0
             }
 
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
@@ -362,6 +363,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val isRuntimeEditable: Boolean = false
                 override val valueAsString: String
                     get() = preferences.getInt(Settings.PREF_THEME_MODE, -1).toString()
+                override val defaultValue: Any = -1
             }
 
             add(
@@ -386,6 +388,7 @@ class SettingsFragmentPresenter(private val fragmentView: SettingsFragmentView)
                 override val isRuntimeEditable: Boolean = false
                 override val valueAsString: String
                     get() = preferences.getBoolean(Settings.PREF_BLACK_BACKGROUNDS, false).toString()
+                override val defaultValue: Any = false
             }
 
             add(

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/DateTimeViewHolder.kt

@@ -5,6 +5,7 @@ package org.yuzu.yuzu_emu.features.settings.ui.viewholder
 
 import android.view.View
 import org.yuzu.yuzu_emu.databinding.ListItemSettingBinding
+import org.yuzu.yuzu_emu.features.settings.model.AbstractStringSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.DateTimeSetting
 import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
@@ -29,4 +30,11 @@ class DateTimeViewHolder(val binding: ListItemSettingBinding, adapter: SettingsA
             adapter.onDateTimeClick(setting, bindingAdapterPosition)
         }
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        if (setting.isEditable) {
+            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+        }
+        return false
+    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/HeaderViewHolder.kt

@@ -22,4 +22,9 @@ class HeaderViewHolder(val binding: ListItemSettingsHeaderBinding, adapter: Sett
     override fun onClick(clicked: View) {
         // no-op
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        // no-op
+        return true
+    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SettingViewHolder.kt

@@ -9,10 +9,11 @@ import org.yuzu.yuzu_emu.features.settings.model.view.SettingsItem
 import org.yuzu.yuzu_emu.features.settings.ui.SettingsAdapter
 
 abstract class SettingViewHolder(itemView: View, protected val adapter: SettingsAdapter) :
-    RecyclerView.ViewHolder(itemView), View.OnClickListener {
+    RecyclerView.ViewHolder(itemView), View.OnClickListener, View.OnLongClickListener {
 
     init {
         itemView.setOnClickListener(this)
+        itemView.setOnLongClickListener(this)
     }
 
     /**
@@ -30,4 +31,6 @@ abstract class SettingViewHolder(itemView: View, protected val adapter: Settings
      * @param clicked The view that was clicked on.
      */
     abstract override fun onClick(clicked: View)
+
+    abstract override fun onLongClick(clicked: View): Boolean
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SingleChoiceViewHolder.kt

@@ -50,4 +50,11 @@ class SingleChoiceViewHolder(val binding: ListItemSettingBinding, adapter: Setti
             )
         }
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        if (setting.isEditable) {
+            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+        }
+        return false
+    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SliderViewHolder.kt

@@ -29,4 +29,11 @@ class SliderViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAda
             adapter.onSliderClick(setting, bindingAdapterPosition)
         }
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        if (setting.isEditable) {
+            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+        }
+        return false
+    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SubmenuViewHolder.kt

@@ -27,4 +27,9 @@ class SubmenuViewHolder(val binding: ListItemSettingBinding, adapter: SettingsAd
     override fun onClick(clicked: View) {
         adapter.onSubmenuClick(item)
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        // no-op
+        return true
+    }
 }

src/android/app/src/main/java/org/yuzu/yuzu_emu/features/settings/ui/viewholder/SwitchSettingViewHolder.kt

@@ -38,4 +38,11 @@ class SwitchSettingViewHolder(val binding: ListItemSettingSwitchBinding, adapter
             binding.switchWidget.toggle()
         }
     }
+
+    override fun onLongClick(clicked: View): Boolean {
+        if (setting.isEditable) {
+            return adapter.onLongClick(setting.setting!!, bindingAdapterPosition)
+        }
+        return false
+    }
 }

src/android/app/src/main/res/values/strings.xml

@@ -141,6 +141,7 @@
     <string name="gameid_saved">Saved settings for %1$s</string>
     <string name="error_saving">Error saving %1$s.ini: %2$s</string>
     <string name="loading">Loading...</string>
+    <string name="reset_setting_confirmation">Do you want to reset this setting back to its default value?</string>
 
     <!-- GPU driver installation -->
     <string name="select_gpu_driver">Select GPU driver</string>