android: Port "Lock drawer" feature from Citra

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

@@ -23,7 +23,8 @@ enum class IntSetting(override val key: String) : AbstractIntSetting {
     THEME("theme"),
     THEME_MODE("theme_mode"),
     OVERLAY_SCALE("control_scale"),
-    OVERLAY_OPACITY("control_opacity");
+    OVERLAY_OPACITY("control_opacity"),
+    LOCK_DRAWER("lock_drawer");
 
     override fun getInt(needsGlobal: Boolean): Int = NativeConfig.getInt(key, needsGlobal)
 

src/android/app/src/main/java/org/yuzu/yuzu_emu/fragments/EmulationFragment.kt

@@ -182,11 +182,11 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
             }
 
             override fun onDrawerOpened(drawerView: View) {
-                // No op
+                binding.drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED)
             }
 
             override fun onDrawerClosed(drawerView: View) {
-                // No op
+                binding.drawerLayout.setDrawerLockMode(IntSetting.LOCK_DRAWER.getInt())
             }
 
             override fun onDrawerStateChanged(newState: Int) {
@@ -196,6 +196,28 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
         binding.drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED)
         binding.inGameMenu.getHeaderView(0).findViewById<TextView>(R.id.text_game_title).text =
             game.title
+
+        binding.inGameMenu.menu.findItem(R.id.menu_lock_drawer).apply {
+            val lockMode = IntSetting.LOCK_DRAWER.getInt()
+            val titleId = if (lockMode == DrawerLayout.LOCK_MODE_LOCKED_CLOSED) {
+                R.string.unlock_drawer
+            } else {
+                R.string.lock_drawer
+            }
+            val iconId = if (lockMode == DrawerLayout.LOCK_MODE_UNLOCKED) {
+                R.drawable.ic_unlock
+            } else {
+                R.drawable.ic_lock
+            }
+
+            title = getString(titleId)
+            icon = ResourcesCompat.getDrawable(
+                resources,
+                iconId,
+                requireContext().theme
+            )
+        }
+
         binding.inGameMenu.setNavigationItemSelectedListener {
             when (it.itemId) {
                 R.id.menu_pause_emulation -> {
@@ -242,6 +264,32 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                     true
                 }
 
+                R.id.menu_lock_drawer -> {
+                    when (IntSetting.LOCK_DRAWER.getInt()) {
+                        DrawerLayout.LOCK_MODE_UNLOCKED -> {
+                            IntSetting.LOCK_DRAWER.setInt(DrawerLayout.LOCK_MODE_LOCKED_CLOSED)
+                            it.title = resources.getString(R.string.unlock_drawer)
+                            it.icon = ResourcesCompat.getDrawable(
+                                resources,
+                                R.drawable.ic_lock,
+                                requireContext().theme
+                            )
+                        }
+
+                        DrawerLayout.LOCK_MODE_LOCKED_CLOSED -> {
+                            IntSetting.LOCK_DRAWER.setInt(DrawerLayout.LOCK_MODE_UNLOCKED)
+                            it.title = resources.getString(R.string.lock_drawer)
+                            it.icon = ResourcesCompat.getDrawable(
+                                resources,
+                                R.drawable.ic_unlock,
+                                requireContext().theme
+                            )
+                        }
+                    }
+                    NativeConfig.saveGlobalConfig()
+                    true
+                }
+
                 R.id.menu_exit -> {
                     emulationState.stop()
                     emulationViewModel.setIsEmulationStopping(true)
@@ -326,7 +374,7 @@ class EmulationFragment : Fragment(), SurfaceHolder.Callback {
                 repeatOnLifecycle(Lifecycle.State.CREATED) {
                     emulationViewModel.emulationStarted.collectLatest {
                         if (it) {
-                            binding.drawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_UNLOCKED)
+                            binding.drawerLayout.setDrawerLockMode(IntSetting.LOCK_DRAWER.getInt())
                             ViewUtils.showView(binding.surfaceInputOverlay)
                             ViewUtils.hideView(binding.loadingIndicator)
 

src/android/app/src/main/jni/android_settings.h

@@ -63,6 +63,7 @@ struct Values {
     Settings::Setting<bool> show_input_overlay{linkage, true, "show_input_overlay",
                                                Settings::Category::Overlay};
     Settings::Setting<bool> touchscreen{linkage, true, "touchscreen", Settings::Category::Overlay};
+    Settings::Setting<s32> lock_drawer{linkage, false, "lock_drawer", Settings::Category::Overlay};
 };
 
 extern Values values;

src/android/app/src/main/res/drawable/ic_lock.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:viewportHeight="24"
+    android:viewportWidth="24"
+    android:width="24dp">
+    <path
+        android:fillColor="?attr/colorControlNormal"
+        android:pathData="M18,8h-1L17,6c0,-2.76 -2.24,-5 -5,-5S7,3.24 7,6v2L6,8c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2L20,10c0,-1.1 -0.9,-2 -2,-2zM12,17c-1.1,0 -2,-0.9 -2,-2s0.9,-2 2,-2 2,0.9 2,2 -0.9,2 -2,2zM15.1,8L8.9,8L8.9,6c0,-1.71 1.39,-3.1 3.1,-3.1 1.71,0 3.1,1.39 3.1,3.1v2z" />
+</vector>

src/android/app/src/main/res/menu/menu_in_game.xml

@@ -21,6 +21,11 @@
         android:icon="@drawable/ic_controller"
         android:title="@string/emulation_input_overlay" />
 
+    <item
+        android:id="@+id/menu_lock_drawer"
+        android:icon="@drawable/ic_unlock"
+        android:title="@string/emulation_input_overlay" />
+
     <item
         android:id="@+id/menu_exit"
         android:icon="@drawable/ic_exit"

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

@@ -381,6 +381,8 @@
     <string name="emulation_unpause">Unpause emulation</string>
     <string name="emulation_input_overlay">Overlay options</string>
     <string name="touchscreen">Touchscreen</string>
+    <string name="lock_drawer">Lock drawer</string>
+    <string name="unlock_drawer">Unlock drawer</string>
 
     <string name="load_settings">Loading settings…</string>