feat: add sharedpreference for solid border switch

app/src/main/java/org/fcitx/fcitx5/android/data/theme/ThemePrefs.kt

@@ -36,8 +36,11 @@ class ThemePrefs(sharedPreferences: SharedPreferences) :
 
     val keyBorder = switch(R.string.key_border, "key_border", false)
 
+    val keySolidBorder = switch(R.string.key_solid_border, "key_solid_border", false)
+
     val keyRippleEffect = switch(R.string.key_ripple_effect, "key_ripple_effect", false)
 
+
     val keyHorizontalMargin: ManagedPreference.PInt
     val keyHorizontalMarginLandscape: ManagedPreference.PInt
 

app/src/main/java/org/fcitx/fcitx5/android/input/keyboard/KeyDrawable.kt

@@ -48,13 +48,30 @@ fun borderedKeyBackgroundDrawable(
     radius: Float,
     shadowWidth: Int,
     hMargin: Int,
-    vMargin: Int
+    vMargin: Int,
+    shouldDrawBorder: Boolean = false
 ): Drawable = LayerDrawable(
     arrayOf(
         radiusDrawable(radius, shadowColor),
         radiusDrawable(radius, bkgColor),
     )
 ).apply {
-    setLayerInset(0, hMargin - shadowWidth, vMargin - shadowWidth, hMargin - shadowWidth, vMargin - shadowWidth)
+    if (shouldDrawBorder) {
+        setLayerInset(
+            0,
+            hMargin - shadowWidth,
+            vMargin - shadowWidth,
+            hMargin - shadowWidth,
+            vMargin - shadowWidth
+        )
+    } else {
+        setLayerInset(
+            0,
+            hMargin,
+            vMargin,
+            hMargin,
+            vMargin- shadowWidth
+        )
+    }
     setLayerInset(1, hMargin, vMargin, hMargin, vMargin)
 }

app/src/main/java/org/fcitx/fcitx5/android/input/keyboard/KeyView.kt

@@ -56,6 +56,7 @@ abstract class KeyView(ctx: Context, val theme: Theme, val def: KeyDef.Appearanc
 
     val bordered: Boolean
     val rippled: Boolean
+    val solidBordered: Boolean
     val radius: Float
     val hMargin: Int
     val vMargin: Int
@@ -64,6 +65,7 @@ abstract class KeyView(ctx: Context, val theme: Theme, val def: KeyDef.Appearanc
         val prefs = ThemeManager.prefs
         bordered = prefs.keyBorder.getValue()
         rippled = prefs.keyRippleEffect.getValue()
+        solidBordered = prefs.keySolidBorder.getValue()
         radius = dp(prefs.keyRadius.getValue().toFloat())
         val landscape = resources.configuration.orientation == Configuration.ORIENTATION_LANDSCAPE
         val hMarginPref =
@@ -126,7 +128,7 @@ abstract class KeyView(ctx: Context, val theme: Theme, val def: KeyDef.Appearanc
             // background: key border
             appearanceView.background = borderedKeyBackgroundDrawable(
                 bkgColor, theme.keyShadowColor,
-                radius, shadowWidth, hMargin, vMargin
+                radius, shadowWidth, hMargin, vMargin, solidBordered
             )
             // foreground: press highlight or ripple
             setupPressHighlight()

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

@@ -315,4 +315,5 @@
     <string name="emoji_skin_tone_type_5">🏾 Type-5</string>
     <string name="emoji_skin_tone_type_6">🏿 Type-6</string>
     <string name="hide_unsupported_emojis">Hide unsupported Emojis</string>
+    <string name="key_solid_border">Enable solid border instead of shadow</string>
 </resources>