refactor(keyboard): tidy KeyboardView

Author: WhiredPlanck

app/src/main/java/com/osfans/trime/ime/core/InputView.kt

@@ -285,8 +285,8 @@ class InputView(
                         quickBar.view.visibility =
                             if (it.value) View.GONE else View.VISIBLE
                     }
-                    "_hide_key_hint" -> keyboardWindow.oldMainInputView.mainKeyboardView.setShowHint(!it.value)
-                    "_hide_key_symbol" -> keyboardWindow.oldMainInputView.mainKeyboardView.setShowSymbol(!it.value)
+                    "_hide_key_hint" -> keyboardWindow.oldMainInputView.mainKeyboardView.showKeyHint = !it.value
+                    "_hide_key_symbol" -> keyboardWindow.oldMainInputView.mainKeyboardView.showKeySymbol = !it.value
                 }
                 keyboardWindow.oldMainInputView.mainKeyboardView.invalidateAllKeys()
             }

app/src/main/java/com/osfans/trime/ime/keyboard/Keyboard.kt

@@ -460,16 +460,22 @@ class Keyboard() {
         c: Int,
         key: Key?,
     ) {
-        if (c == KeyEvent.KEYCODE_SHIFT_LEFT || c == KeyEvent.KEYCODE_SHIFT_RIGHT) {
-            mShiftKey = key
-        } else if (c == KeyEvent.KEYCODE_CTRL_LEFT || c == KeyEvent.KEYCODE_CTRL_RIGHT) {
-            mCtrlKey = key
-        } else if (c == KeyEvent.KEYCODE_META_LEFT || c == KeyEvent.KEYCODE_META_RIGHT) {
-            mMetaKey = key
-        } else if (c == KeyEvent.KEYCODE_ALT_LEFT || c == KeyEvent.KEYCODE_ALT_RIGHT) {
-            mAltKey = key
-        } else if (c == KeyEvent.KEYCODE_SYM) {
-            mSymKey = key
+        when (c) {
+            KeyEvent.KEYCODE_SHIFT_LEFT, KeyEvent.KEYCODE_SHIFT_RIGHT -> {
+                mShiftKey = key
+            }
+            KeyEvent.KEYCODE_CTRL_LEFT, KeyEvent.KEYCODE_CTRL_RIGHT -> {
+                mCtrlKey = key
+            }
+            KeyEvent.KEYCODE_META_LEFT, KeyEvent.KEYCODE_META_RIGHT -> {
+                mMetaKey = key
+            }
+            KeyEvent.KEYCODE_ALT_LEFT, KeyEvent.KEYCODE_ALT_RIGHT -> {
+                mAltKey = key
+            }
+            KeyEvent.KEYCODE_SYM -> {
+                mSymKey = key
+            }
         }
     }