/**************************************************************************** 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 ////////////////////////////////////////////////////////////////////////// CCTextFieldTTF::CCTextFieldTTF() : m_pDelegate(0) , m_nCharCount(0) , m_pInputText(new std::string) , m_pPlaceHolder(new std::string) // prevent CCLabelTTF initWithString assertion { m_ColorSpaceHolder.r = m_ColorSpaceHolder.g = m_ColorSpaceHolder.b = 127; } CCTextFieldTTF::~CCTextFieldTTF() { CC_SAFE_DELETE(m_pInputText); CC_SAFE_DELETE(m_pPlaceHolder); } ////////////////////////////////////////////////////////////////////////// // static constructor ////////////////////////////////////////////////////////////////////////// CCTextFieldTTF * CCTextFieldTTF::textFieldWithPlaceHolder(const char *placeholder, CCSize dimensions, CCTextAlignment alignment, const char *fontName, float fontSize) { CCTextFieldTTF *pRet = new CCTextFieldTTF(); if(pRet && pRet->initWithPlaceHolder("", dimensions, alignment, fontName, fontSize)) { pRet->autorelease(); if (placeholder) { pRet->setPlaceHolder(placeholder); } return pRet; } CC_SAFE_DELETE(pRet); return NULL; } CCTextFieldTTF * CCTextFieldTTF::textFieldWithPlaceHolder(const char *placeholder, const char *fontName, float fontSize) { CCTextFieldTTF *pRet = new CCTextFieldTTF(); if(pRet && pRet->initWithString("", fontName, fontSize)) { pRet->autorelease(); if (placeholder) { pRet->setPlaceHolder(placeholder); } return pRet; } CC_SAFE_DELETE(pRet); return NULL; } ////////////////////////////////////////////////////////////////////////// // initialize ////////////////////////////////////////////////////////////////////////// bool CCTextFieldTTF::initWithPlaceHolder(const char *placeholder, CCSize dimensions, CCTextAlignment alignment, const char *fontName, float fontSize) { if (placeholder) { CC_SAFE_DELETE(m_pPlaceHolder); m_pPlaceHolder = new std::string(placeholder); } return CCLabelTTF::initWithString(m_pPlaceHolder->c_str(), dimensions, alignment, fontName, fontSize); } bool CCTextFieldTTF::initWithPlaceHolder(const char *placeholder, const char *fontName, float fontSize) { if (placeholder) { CC_SAFE_DELETE(m_pPlaceHolder); m_pPlaceHolder = new std::string(placeholder); } return CCLabelTTF::initWithString(m_pPlaceHolder->c_str(), fontName, fontSize); } ////////////////////////////////////////////////////////////////////////// // CCIMEDelegate ////////////////////////////////////////////////////////////////////////// bool CCTextFieldTTF::attachWithIME() { bool bRet = CCIMEDelegate::attachWithIME(); if (bRet) { // open keyboard CCEGLView * pGlView = CCDirector::sharedDirector()->getOpenGLView(); if (pGlView) { pGlView->setIMEKeyboardState(true); } } return bRet; } bool CCTextFieldTTF::detachWithIME() { bool bRet = CCIMEDelegate::detachWithIME(); if (bRet) { // close keyboard CCEGLView * pGlView = CCDirector::sharedDirector()->getOpenGLView(); if (pGlView) { pGlView->setIMEKeyboardState(false); } } return bRet; } bool CCTextFieldTTF::canAttachWithIME() { return (m_pDelegate) ? (! m_pDelegate->onTextFieldAttachWithIME(this)) : true; } bool CCTextFieldTTF::canDetachWithIME() { return (m_pDelegate) ? (! m_pDelegate->onTextFieldDetachWithIME(this)) : true; } void CCTextFieldTTF::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 (m_pDelegate && m_pDelegate->onTextFieldInsertText(this, sInsert.c_str(), len)) { // delegate doesn't want insert text return; } m_nCharCount += _calcCharCount(sInsert.c_str()); std::string sText(*m_pInputText); sText.append(sInsert); setString(sText.c_str()); } if ((int)sInsert.npos == nPos) { return; } // '\n' has inserted, let delegate process first if (m_pDelegate && m_pDelegate->onTextFieldInsertText(this, "\n", 1)) { return; } // if delegate hasn't process, detach with ime as default detachWithIME(); } void CCTextFieldTTF::deleteBackward() { int nStrLen = m_pInputText->length(); if (! nStrLen) { // there is no string return; } // get the delete byte number int nDeleteLen = 1; // default, erase 1 byte while(0x80 == (0xC0 & m_pInputText->at(nStrLen - nDeleteLen))) { ++nDeleteLen; } if (m_pDelegate && m_pDelegate->onTextFieldDeleteBackward(this, m_pInputText->c_str() + nStrLen - nDeleteLen, nDeleteLen)) { // delegate don't wan't delete backward return; } // if delete all text, show space holder string if (nStrLen <= nDeleteLen) { CC_SAFE_DELETE(m_pInputText); m_pInputText = new std::string; m_nCharCount = 0; CCLabelTTF::setString(m_pPlaceHolder->c_str()); return; } // set new input text std::string sText(m_pInputText->c_str(), nStrLen - nDeleteLen); setString(sText.c_str()); } const char * CCTextFieldTTF::getContentText() { return m_pInputText->c_str(); } void CCTextFieldTTF::draw() { if (m_pDelegate && m_pDelegate->onDraw(this)) { return; } if (m_pInputText->length()) { CCLabelTTF::draw(); return; } // draw placeholder ccColor3B color = getColor(); setColor(m_ColorSpaceHolder); CCLabelTTF::draw(); setColor(color); } ////////////////////////////////////////////////////////////////////////// // properties ////////////////////////////////////////////////////////////////////////// // input text property void CCTextFieldTTF::setString(const char *text) { CC_SAFE_DELETE(m_pInputText); if (text) { m_pInputText = new std::string(text); } else { m_pInputText = new std::string; } // if there is no input text, display placeholder instead if (! m_pInputText->length()) { CCLabelTTF::setString(m_pPlaceHolder->c_str()); } else { CCLabelTTF::setString(m_pInputText->c_str()); } m_nCharCount = _calcCharCount(m_pInputText->c_str()); } const char* CCTextFieldTTF::getString(void) { return m_pInputText->c_str(); } // place holder text property void CCTextFieldTTF::setPlaceHolder(const char * text) { CC_SAFE_DELETE(m_pPlaceHolder); m_pPlaceHolder = (text) ? new std::string(text) : new std::string; if (! m_pInputText->length()) { CCLabelTTF::setString(m_pPlaceHolder->c_str()); } } const char * CCTextFieldTTF::getPlaceHolder(void) { return m_pPlaceHolder->c_str(); } NS_CC_END;