/**************************************************************************** Copyright (c) 2010 cocos2d-x.org http://www.cocos2d-x.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include "CCTextFieldTTF.h" #include "CCDirector.h" #include "CCEGLView.h" NS_CC_BEGIN static int _calcCharCount(const char * pszText) { int n = 0; char ch = 0; while ((ch = *pszText)) { CC_BREAK_IF(! ch); if (0x80 != (0xC0 & ch)) { ++n; } ++pszText; } return n; } ////////////////////////////////////////////////////////////////////////// // constructor and destructor ////////////////////////////////////////////////////////////////////////// TextFieldTTF::TextFieldTTF() : _delegate(0) , _charCount(0) , _inputText(new std::string) , _placeHolder(new std::string) // prevent LabelTTF initWithString assertion , _secureTextEntry(false) { _colorSpaceHolder.r = _colorSpaceHolder.g = _colorSpaceHolder.b = 127; } TextFieldTTF::~TextFieldTTF() { CC_SAFE_DELETE(_inputText); CC_SAFE_DELETE(_placeHolder); } ////////////////////////////////////////////////////////////////////////// // static constructor ////////////////////////////////////////////////////////////////////////// TextFieldTTF * TextFieldTTF::textFieldWithPlaceHolder(const char *placeholder, const Size& dimensions, TextAlignment alignment, const char *fontName, float fontSize) { TextFieldTTF *pRet = new TextFieldTTF(); if(pRet && pRet->initWithPlaceHolder("", dimensions, alignment, fontName, fontSize)) { pRet->autorelease(); if (placeholder) { pRet->setPlaceHolder(placeholder); } return pRet; } CC_SAFE_DELETE(pRet); return NULL; } TextFieldTTF * TextFieldTTF::textFieldWithPlaceHolder(const char *placeholder, const char *fontName, float fontSize) { TextFieldTTF *pRet = new TextFieldTTF(); if(pRet && pRet->initWithString("", fontName, fontSize)) { pRet->autorelease(); if (placeholder) { pRet->setPlaceHolder(placeholder); } return pRet; } CC_SAFE_DELETE(pRet); return NULL; } ////////////////////////////////////////////////////////////////////////// // initialize ////////////////////////////////////////////////////////////////////////// bool TextFieldTTF::initWithPlaceHolder(const char *placeholder, const Size& dimensions, TextAlignment alignment, const char *fontName, float fontSize) { if (placeholder) { CC_SAFE_DELETE(_placeHolder); _placeHolder = new std::string(placeholder); } return LabelTTF::initWithString(_placeHolder->c_str(), fontName, fontSize, dimensions, alignment); } bool TextFieldTTF::initWithPlaceHolder(const char *placeholder, const char *fontName, float fontSize) { if (placeholder) { CC_SAFE_DELETE(_placeHolder); _placeHolder = new std::string(placeholder); } return LabelTTF::initWithString(_placeHolder->c_str(), fontName, fontSize); } ////////////////////////////////////////////////////////////////////////// // IMEDelegate ////////////////////////////////////////////////////////////////////////// bool TextFieldTTF::attachWithIME() { bool bRet = IMEDelegate::attachWithIME(); if (bRet) { // open keyboard EGLView * pGlView = Director::sharedDirector()->getOpenGLView(); if (pGlView) { pGlView->setIMEKeyboardState(true); } } return bRet; } bool TextFieldTTF::detachWithIME() { bool bRet = IMEDelegate::detachWithIME(); if (bRet) { // close keyboard EGLView * pGlView = Director::sharedDirector()->getOpenGLView(); if (pGlView) { pGlView->setIMEKeyboardState(false); } } return bRet; } bool TextFieldTTF::canAttachWithIME() { return (_delegate) ? (! _delegate->onTextFieldAttachWithIME(this)) : true; } bool TextFieldTTF::canDetachWithIME() { return (_delegate) ? (! _delegate->onTextFieldDetachWithIME(this)) : true; } void TextFieldTTF::insertText(const char * text, int len) { std::string sInsert(text, len); // insert \n means input end int nPos = sInsert.find('\n'); if ((int)sInsert.npos != nPos) { len = nPos; sInsert.erase(nPos); } if (len > 0) { if (_delegate && _delegate->onTextFieldInsertText(this, sInsert.c_str(), len)) { // delegate doesn't want to insert text return; } _charCount += _calcCharCount(sInsert.c_str()); std::string sText(*_inputText); sText.append(sInsert); setString(sText.c_str()); } if ((int)sInsert.npos == nPos) { return; } // '\n' inserted, let delegate process first if (_delegate && _delegate->onTextFieldInsertText(this, "\n", 1)) { return; } // if delegate hasn't processed, detach from IME by default detachWithIME(); } void TextFieldTTF::deleteBackward() { int nStrLen = _inputText->length(); if (! nStrLen) { // there is no string return; } // get the delete byte number int nDeleteLen = 1; // default, erase 1 byte while(0x80 == (0xC0 & _inputText->at(nStrLen - nDeleteLen))) { ++nDeleteLen; } if (_delegate && _delegate->onTextFieldDeleteBackward(this, _inputText->c_str() + nStrLen - nDeleteLen, nDeleteLen)) { // delegate doesn't wan't to delete backwards return; } // if all text deleted, show placeholder string if (nStrLen <= nDeleteLen) { CC_SAFE_DELETE(_inputText); _inputText = new std::string; _charCount = 0; LabelTTF::setString(_placeHolder->c_str()); return; } // set new input text std::string sText(_inputText->c_str(), nStrLen - nDeleteLen); setString(sText.c_str()); } const char * TextFieldTTF::getContentText() { return _inputText->c_str(); } void TextFieldTTF::draw() { if (_delegate && _delegate->onDraw(this)) { return; } if (_inputText->length()) { LabelTTF::draw(); return; } // draw placeholder Color3B color = getColor(); setColor(_colorSpaceHolder); LabelTTF::draw(); setColor(color); } const Color3B& TextFieldTTF::getColorSpaceHolder() { return _colorSpaceHolder; } void TextFieldTTF::setColorSpaceHolder(const Color3B& color) { _colorSpaceHolder = color; } ////////////////////////////////////////////////////////////////////////// // properties ////////////////////////////////////////////////////////////////////////// // input text property void TextFieldTTF::setString(const char *text) { static char bulletString[] = {(char)0xe2, (char)0x80, (char)0xa2, (char)0x00}; std::string displayText; int length; CC_SAFE_DELETE(_inputText); if (text) { _inputText = new std::string(text); displayText = *_inputText; if (_secureTextEntry) { displayText = ""; length = _inputText->length(); while (length) { displayText.append(bulletString); --length; } } } else { _inputText = new std::string; } // if there is no input text, display placeholder instead if (! _inputText->length()) { LabelTTF::setString(_placeHolder->c_str()); } else { LabelTTF::setString(displayText.c_str()); } _charCount = _calcCharCount(_inputText->c_str()); } const char* TextFieldTTF::getString(void) const { return _inputText->c_str(); } // place holder text property void TextFieldTTF::setPlaceHolder(const char * text) { CC_SAFE_DELETE(_placeHolder); _placeHolder = (text) ? new std::string(text) : new std::string; if (! _inputText->length()) { LabelTTF::setString(_placeHolder->c_str()); } } const char * TextFieldTTF::getPlaceHolder(void) { return _placeHolder->c_str(); } // secureTextEntry void TextFieldTTF::setSecureTextEntry(bool value) { if (_secureTextEntry != value) { _secureTextEntry = value; setString(getString()); } } bool TextFieldTTF::isSecureTextEntry() { return _secureTextEntry; } NS_CC_END