Add teardrop icon shape

i18n/src/main/res/values/strings.xml

@@ -450,6 +450,7 @@
     <string name="preference_icon_shape_squircle">Squircle</string>
     <string name="preference_icon_shape_triangle">Reuleaux triangle</string>
     <string name="preference_icon_shape_circle">Circle</string>
+    <string name="preference_icon_shape_teardrop">Teardrop</string>
     <string name="preference_icon_shape_hexagon">Hexagon</string>
     <string name="preference_category_searchbar">Search bar</string>
     <string name="preference_screen_services">Services</string>

preferences/src/main/proto/settings.proto

@@ -219,6 +219,7 @@ message Settings {
       Hexagon = 6;
       Pentagon = 7;
       EasterEgg = 8;
+      Teardrop = 9;
     }
     IconShape shape = 1;
     bool themed_icons = 2;

ui/src/main/java/de/mm20/launcher2/ui/component/ShapedLauncherIcon.kt

@@ -368,6 +368,7 @@ fun getShape(iconShape: IconShape): Shape {
         IconShape.Squircle -> SquircleShape
         IconShape.Hexagon -> HexagonShape
         IconShape.Pentagon -> PentagonShape
+        IconShape.Teardrop -> TeardropShape
         IconShape.EasterEgg -> EasterEggShape
         IconShape.UNRECOGNIZED -> CircleShape
     }
@@ -466,6 +467,36 @@ private val PentagonShape: Shape
         close()
     }
 
+private val TeardropShape: Shape
+get() = GenericShape { size, _ ->
+    moveTo(0.5f * size.width, 0f)
+    cubicTo(
+        0.776f * size.width, 0f,
+        size.width, 0.224f * size.height,
+        size.width, 0.5f * size.height,
+    )
+    lineTo(
+        size.width, 0.88f * size.height,
+    )
+    cubicTo(
+        size.width, 0.946f * size.height,
+        0.946f * size.width, size.height,
+        0.88f * size.width, size.height,
+    )
+    lineTo(0.5f * size.width, size.height)
+    cubicTo(
+        0.224f * size.width, size.height,
+        0f, 0.776f * size.height,
+        0f, 0.5f * size.height,
+    )
+    cubicTo(
+        0f, 0.224f * size.height,
+        0.224f * size.width, 0f,
+        0.5f * size.width, 0f,
+    )
+    close()
+}
+
 private val EasterEggShape: Shape
     get() = GenericShape { size, _ ->
         moveTo(

ui/src/main/java/de/mm20/launcher2/ui/settings/appearance/AppearanceSettingsScreen.kt

@@ -592,6 +592,7 @@ private fun getShapeName(shape: IconSettings.IconShape?): String? {
             IconSettings.IconShape.Pentagon -> R.string.preference_icon_shape_pentagon
             IconSettings.IconShape.PlatformDefault -> R.string.preference_icon_shape_platform
             IconSettings.IconShape.Circle -> R.string.preference_icon_shape_circle
+            IconSettings.IconShape.Teardrop -> R.string.preference_icon_shape_teardrop
             else -> return null
         }
     )