From f4412eb2323ee5cc70071f8f7a6119673e775f4f Mon Sep 17 00:00:00 2001
From: Duy Tran Khanh <khanhduytran0@users.noreply.github.com>
Date: Sat, 13 Feb 2021 11:20:10 +0700
Subject: [PATCH] New option: treat back button as right mouse

Some Android devices treats right mouse input as back button, so enable
to convert back to right mouse.
---
 .../net/kdt/pojavlaunch/AndroidLWJGLKeycode.java   | 14 ++++++++++----
 .../kdt/pojavlaunch/prefs/LauncherPreferences.java |  2 ++
 app_pojavlauncher/src/main/res/values/strings.xml  |  2 ++
 app_pojavlauncher/src/main/res/xml/pref_main.xml   |  5 +++++
 4 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/AndroidLWJGLKeycode.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/AndroidLWJGLKeycode.java
index ff9a12487..ec8134034 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/AndroidLWJGLKeycode.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/AndroidLWJGLKeycode.java
@@ -5,6 +5,8 @@ import android.view.*;
 
 import java.net.CookieHandler;
 import java.util.*;
+
+import net.kdt.pojavlaunch.prefs.LauncherPreferences;
 import org.lwjgl.glfw.*;
 
 public class AndroidLWJGLKeycode {
@@ -173,12 +175,16 @@ public class AndroidLWJGLKeycode {
 
         try {
                 //System.out.println(((int)keyEvent.getDisplayLabel()) + " " +keyEvent.getDisplayLabel());
-                 if(keyEvent.getUnicodeChar() != 0) {
-                     char key = (char)keyEvent.getUnicodeChar();
+            if (keyEvent.getKeyCode() == KeyEvent.KEYCODE_BACK && LauncherPreferences.PREF_BACK_TO_RIGHT_MOUSE) {
+                BaseMainActivity.sendMouseButton(LWJGLGLFWKeycode.GLFW_MOUSE_BUTTON_RIGHT, keyEvent.getAction() == KeyEvent.ACTION_DOWN);
+            } else {
+                if(keyEvent.getUnicodeChar() != 0) {
+                    char key = (char)keyEvent.getUnicodeChar();
                      BaseMainActivity.sendKeyPress(androidToLwjglMap.get(keyEvent.getKeyCode()),key,0,CallbackBridge.getCurrentMods(),keyEvent.getAction() == KeyEvent.ACTION_DOWN);
-                 }else{
+                }else{
                      BaseMainActivity.sendKeyPress(androidToLwjglMap.get(keyEvent.getKeyCode()),CallbackBridge.getCurrentMods(),keyEvent.getAction()==KeyEvent.ACTION_DOWN);
-                 }
+                }
+            }
         } catch (Throwable th) {
             th.printStackTrace();
         }
diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
index e1682d0c1..dff619aaa 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/prefs/LauncherPreferences.java
@@ -13,6 +13,7 @@ public class LauncherPreferences
 	public static boolean PREF_FREEFORM = false;
 	public static boolean PREF_HIDE_SIDEBAR = false;
 	public static boolean PREF_IGNORE_NOTCH = false;
+	public static boolean PREF_BACK_TO_RIGHT_MOUSE = false;
 	public static int PREF_NOTCH_SIZE = 0;
 	public static float PREF_BUTTONSIZE = 100f;
 	public static float PREF_MOUSESCALE = 100f;
@@ -28,6 +29,7 @@ public class LauncherPreferences
 		PREF_FREEFORM = DEFAULT_PREF.getBoolean("freeform", false);
 		PREF_HIDE_SIDEBAR = DEFAULT_PREF.getBoolean("hideSidebar", false);
 		PREF_IGNORE_NOTCH = DEFAULT_PREF.getBoolean("ignoreNotch", false);
+		PREF_BACK_TO_RIGHT_MOUSE = DEFAULT_PREF.getBoolean("backToRightMouse", true);
 		PREF_VERTYPE_RELEASE = DEFAULT_PREF.getBoolean("vertype_release", true);
 		PREF_VERTYPE_SNAPSHOT = DEFAULT_PREF.getBoolean("vertype_snapshot", false);
 		PREF_VERTYPE_OLDALPHA = DEFAULT_PREF.getBoolean("vertype_oldalpha", false);
diff --git a/app_pojavlauncher/src/main/res/values/strings.xml b/app_pojavlauncher/src/main/res/values/strings.xml
index 7e89b4240..2a44fc521 100644
--- a/app_pojavlauncher/src/main/res/values/strings.xml
+++ b/app_pojavlauncher/src/main/res/values/strings.xml
@@ -85,6 +85,8 @@
     <string name="mcl_setting_subtitle_resolution_scaler">Allows you to decrease the game resolution. 100% is full resolution</string>
     <string name="mcl_setting_title_longpresstrigger">How long will trigger after long press</string>
     <string name="mcl_setting_subtitle_longpresstrigger">Change trigger time for long press in destroy block and drop item.</string>
+    <string name="mcl_setting_title_backtorightmouse">Treat back button as right mouse</string>
+    <string name="mcl_setting_subtitle_backtorightmouse">Some devices treats external right mouse as back button. If you are using external mouse, you should enable this.</string>
     <string name="mcl_setting_title_buttonscale">Control buttons scaling</string>
     <string name="mcl_setting_subtitle_buttonscale">Upscale them if buttons are too small.</string>
     <string name="mcl_setting_title_mousescale">Mouse scaling</string>
diff --git a/app_pojavlauncher/src/main/res/xml/pref_main.xml b/app_pojavlauncher/src/main/res/xml/pref_main.xml
index 2cd769c92..03b10d33d 100644
--- a/app_pojavlauncher/src/main/res/xml/pref_main.xml
+++ b/app_pojavlauncher/src/main/res/xml/pref_main.xml
@@ -49,6 +49,11 @@
             android:key="autoRam"
             android:summary="@string/auto_ram_subtitle"
             android:title="@string/auto_ram_title" />
+        <androidx.preference.SwitchPreferenceCompat
+            android:defaultValue="true"
+            android:key="backToRightMouse"
+            android:summary="@string/mcl_setting_subtitle_backtorightmouse"
+            android:title="@string/mcl_setting_title_backtorightmouse" />
 
         <androidx.preference.EditTextPreference
             android:dialogTitle="@string/mcl_setting_title_javaargs"