fix #10, close clipboard manager automatically in some cases

app/src/main/kotlin/com/simplemobiletools/keyboard/services/SimpleKeyboardIME.kt

@@ -199,6 +199,13 @@ class SimpleKeyboardIME : InputMethodService(), MyKeyboardView.OnKeyboardActionL
         currentInputConnection?.commitText(text, 0)
     }
 
+    override fun onUpdateSelection(oldSelStart: Int, oldSelEnd: Int, newSelStart: Int, newSelEnd: Int, candidatesStart: Int, candidatesEnd: Int) {
+        super.onUpdateSelection(oldSelStart, oldSelEnd, newSelStart, newSelEnd, candidatesStart, candidatesEnd)
+        if (newSelStart == newSelEnd) {
+            keyboardView?.closeClipboardManager()
+        }
+    }
+
     private fun moveCursor(moveRight: Boolean) {
         val extractedText = currentInputConnection?.getExtractedText(ExtractedTextRequest(), 0) ?: return
         var newCursorPosition = extractedText.selectionStart

app/src/main/kotlin/com/simplemobiletools/keyboard/views/MyKeyboardView.kt

@@ -1293,7 +1293,7 @@ class MyKeyboardView @JvmOverloads constructor(context: Context, attrs: Attribut
         return true
     }
 
-    private fun closeClipboardManager() {
+    fun closeClipboardManager() {
         mClipboardManagerHolder?.clipboard_manager_holder?.beGone()
     }