improve textfield code

cocos/2d/CCTextFieldTTF.cpp

@@ -63,6 +63,7 @@ TextFieldTTF::TextFieldTTF()
 , _placeHolder("")   // prevent Label initWithString assertion
 , _colorText(Color4B::WHITE)
 , _secureTextEntry(false)
+,_passwordStyleText("\u25CF")
 , _cursorEnabled(false)
 , _cursorPosition(0)
 , _cursorChar(CURSOR_DEFAULT_CHAR)
@@ -71,7 +72,6 @@ TextFieldTTF::TextFieldTTF()
 {
     _colorSpaceHolder.r = _colorSpaceHolder.g = _colorSpaceHolder.b = 127;
     _colorSpaceHolder.a = 255;
-    _passwordStyleText = {(char)0xe2, (char)0x80, (char)0xa2, (char)0x00};
 }
 
 TextFieldTTF::~TextFieldTTF()
@@ -422,7 +422,7 @@ void TextFieldTTF::update(float delta)
             _cursorShowingTime = CURSOR_TIME_SHOW_HIDE;
         }
         // before cursor inserted '\b', need next letter
-        auto sprite = getLetter(_cursorPosition + 1);
+        auto sprite = getLetter((int)_cursorPosition + 1);
 
         if (sprite)
         {
@@ -687,6 +687,11 @@ void TextFieldTTF::setSecureTextEntry(bool value)
 
 void TextFieldTTF::setPasswordTextStyle(const std::string &text)
 {
+    if (text.length() < 1)
+    {
+        return;
+    }
+
     if (text != _passwordStyleText) {
         _passwordStyleText = text;
         setString(_inputText);

cocos/2d/CCTextFieldTTF.h

@@ -162,7 +162,7 @@ public:
      * Query the currently inputed character count.
      *@return The total input character count.
      */
-    inline int getCharCount() const { return _charCount; };
+    inline std::size_t getCharCount() const { return _charCount; };
     
     /**
      * Query the color of place holder.
@@ -279,7 +279,7 @@ protected:
     virtual void controlKey(EventKeyboard::KeyCode keyCode) override;
 
     TextFieldDelegate * _delegate;
-    int _charCount;
+    std::size_t _charCount;
 
     std::string _inputText;
 

cocos/ui/UITextField.cpp

@@ -194,7 +194,7 @@ int UICCTextField::getMaxLength()const
     return _maxLength;
 }
 
-int UICCTextField::getCharCount()const
+std::size_t UICCTextField::getCharCount()const
 {
     return TextFieldTTF::getCharCount();
 }
@@ -211,15 +211,6 @@ bool UICCTextField::isPasswordEnabled()const
 
 void UICCTextField::setPasswordStyleText(const std::string& styleText)
 {
-    if (styleText.length() > 1)
-    {
-        return;
-    }
-    char value = styleText[0];
-    if (value < 33 || value > 126)
-    {
-        return;
-    }
     this->setPasswordTextStyle(styleText);
 }
 
@@ -573,8 +564,6 @@ int TextField::getMaxLength()const
 void TextField::setPasswordEnabled(bool enable)
 {
     _textFieldRenderer->setPasswordEnabled(enable);
-    if (enable)
-        setPasswordStyleText(getPasswordStyleText());
 }
 
 bool TextField::isPasswordEnabled()const

cocos/ui/UITextField.h

@@ -119,7 +119,7 @@ public:
      * Return the total inputed characters.
      *@return Total inputed character count.
      */
-    int getCharCount()const;
+    std::size_t getCharCount()const;
     
     
     /**