feat: allow using middle mouse button for aim #185

Author: Xtr126

app/src/main/cpp/mouse_read.c

@@ -90,6 +90,7 @@ void* send_mouse_events(void* context) {
             case REL_WHEEL :
             case BTN_MOUSE :
             case BTN_RIGHT :
+            case BTN_MIDDLE :
             case BTN_EXTRA :
             case BTN_SIDE :
                 if (mouse_lock) (*env)->CallVoidMethod(env, pctx->inputServiceObj, mouseEvent, ie.code, ie.value);

app/src/main/java/xtr/keymapper/editor/SettingsOverlay.java

@@ -2,10 +2,12 @@
 
 import android.content.Context;
 import android.os.Build;
+import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
@@ -96,6 +98,20 @@ private void init() {
         binding.switchProfile.setOnKeyListener(SettingsOverlay::onKey);
         binding.mouseAimKey.setOnKeyListener(SettingsOverlay::onKey);
 
+        binding.mouseAimKey.setOnGenericMotionListener((v, event) -> {
+            // Handle middle mouse button
+            if (event.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) {
+                if (event.getAction() == MotionEvent.ACTION_BUTTON_PRESS) {
+                    if (event.getActionButton() == MotionEvent.BUTTON_TERTIARY) {
+                        // Middle mouse button was pressed
+                        ((EditText) v).setText("MMB");
+                        return true;
+                    }
+                }
+            }
+            return false; // Event not handled
+        });
+
 
         mouseAimActions();
         loadTouchpadInputSettings();
@@ -299,6 +315,7 @@ public void onRegisterKeyEventListener() {
     }
 
     public void onUnRegisterKeyEventListener() {
+        // Accept key events from View
         binding.launchEditor.setOnKeyListener(SettingsOverlay::onKey);
         binding.pauseResume.setOnKeyListener(SettingsOverlay::onKey);
         binding.switchProfile.setOnKeyListener(SettingsOverlay::onKey);

app/src/main/java/xtr/keymapper/server/RemoteService.java

@@ -102,7 +102,6 @@ public void init() {
 
             } catch (Exception ex) {
                 Log.e(TAG, ex.getMessage(), ex);
-                Log.e(TAG, e.getMessage(), e);
             }
             System.exit(1);
         });

app/src/main/java/xtr/keymapper/server/event/MouseEventHandler.java

@@ -13,6 +13,8 @@
 import android.os.RemoteException;
 import android.util.Log;
 
+import java.util.Objects;
+
 import xtr.keymapper.keymap.KeymapConfig;
 import xtr.keymapper.mouse.MouseAimHandler;
 import xtr.keymapper.mouse.MousePinchZoom;
@@ -191,7 +193,8 @@ private void handleMouseEvent(int code, int value) {
             case BTN_EXTRA:
             case BTN_SIDE:
             case BTN_MIDDLE:
-                if (value == 1) triggerMouseAim();
+                if (value == 1 && Objects.equals(mInput.getKeymapConfig().mouseAimShortcutKey, "KEY_MMB"))
+                    triggerMouseAim();
 
             case REL_WHEEL:
                 if (mInput.getKeyEventHandler().ctrlKeyPressed && keymapConfig.ctrlMouseWheelZoom)