cocos2dx输入框带光标类

#include "DTCursorTextField.h" 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; } const static float DELTA = 20.0f; DTCursorTextField::DTCursorTextField() { CCTextFieldTTF(); m_pCursorSprite = NULL; m_pCursorAction = NULL; m_pInputText = NULL; isPsw = false; m_limitNum = 15; } DTCursorTextField::~DTCursorTextField() { //delete m_pInputText; } void DTCursorTextField::onEnter() { CCTextFieldTTF::onEnter(); CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this,kCCMenuHandlerPriority-1, false); this->setDelegate(this); } //静态生成函数 DTCursorTextField * DTCursorTextField::textFieldWithPlaceHolder(const char *placeholder, const char *fontName, float fontSize) { DTCursorTextField *pRet = new DTCursorTextField(); if(pRet && pRet->initWithString("", fontName, fontSize)) { pRet->autorelease(); if (placeholder) { pRet->setPlaceHolder(placeholder); } pRet->initCursorSprite(fontSize); pRet->setAnchorPoint(ccp(0,0.5f)); return pRet; } CC_SAFE_DELETE(pRet); return NULL; } void DTCursorTextField::initCursorSprite(int nHeight) { // 初始化光标 int column = 4; int pixels[24][4]; for (int i=0; i<nHeight; ++i) { for (int j=0; j<column; ++j) { pixels[i][j] = 0xffffffff; } } CCTexture2D *texture = new CCTexture2D(); texture->initWithData(pixels, kCCTexture2DPixelFormat_RGB888, 1, 1, CCSizeMake(column, nHeight)); m_pCursorSprite = CCSprite::spriteWithTexture(texture); CCSize winSize = getContentSize(); m_cursorPos = ccp(0, winSize.height / 2); m_pCursorSprite->setPosition(m_cursorPos); m_pCursorSprite->setVisible(false); this->addChild(m_pCursorSprite); m_pCursorAction = CCRepeatForever::create((CCActionInterval *) CCSequence::create(CCFadeOut::create(0.25f), CCFadeIn::create(0.25f), NULL)); m_pCursorSprite->runAction(m_pCursorAction); m_pInputText = new std::string(); } bool DTCursorTextField::ccTouchBegan(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { m_beginPos = pTouch->locationInView(); m_beginPos = CCDirector::sharedDirector()->convertToGL(m_beginPos); return true; } CCRect DTCursorTextField::getRect() { CCSize size = getContentSize(); return CCRectMake(0, -size.height / 2, size.width, size.height); } //设置触摸弹出输入法的区域大小 void DTCursorTextField::setDesignedSize(cocos2d::CCSize size) { m_designedSize = size; } CCSize DTCursorTextField::getDesignedSize() { return m_designedSize; } bool DTCursorTextField::isInTextField(cocos2d::CCTouch *pTouch) { return CCRect::CCRectContainsPoint(getRect(), convertTouchToNodeSpaceAR(pTouch)); } void DTCursorTextField::ccTouchEnded(cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent) { CCPoint endPos = pTouch->getLocationInView(); endPos = CCDirector::sharedDirector()->convertToGL(endPos); // 判断是否为点击事件 if (::abs(endPos.x - m_beginPos.x) > DELTA || ::abs(endPos.y - m_beginPos.y) > DELTA) { // 不是点击事件 m_beginPos.x = m_beginPos.y = -1; return; } CCLOG("width: %f, height: %f.", getContentSize().width, getContentSize().height); // 判断是打开输入法还是关闭输入法 isInTextField(pTouch) ? openIME() : closeIME(); } bool DTCursorTextField::onTextFieldAttachWithIME(cocos2d::CCTextFieldTTF *pSender) { if (m_pInputText->empty()) { return false; } m_pCursorSprite->setPositionX(getContentSize().width); return false; } bool DTCursorTextField::onTextFieldInsertText(cocos2d::CCTextFieldTTF *pSender, const char *text, int nLen) { CCLOG("Width: %f", pSender->getContentSize().width); CCLOG("Text: %s", text); CCLOG("Length: %d", nLen); std::string tempStr = m_pInputText->substr(); tempStr.append(text); if (tempStr.length() > m_limitNum) { return true; } m_pInputText->append(text); if (isPsw) { std::string tempStr; for (int i = 0; i < m_pInputText->size(); i++) { tempStr.append("*"); } setString(tempStr.c_str(), m_pInputText->c_str()); }else { setString(m_pInputText->c_str(), m_pInputText->c_str()); } m_pCursorSprite->setPositionX(getContentSize().width); return true; } bool DTCursorTextField::onTextFieldDeleteBackward(cocos2d::CCTextFieldTTF *pSender, const char *delText, int nLen) { m_pInputText->resize(m_pInputText->size() - nLen); CCLog(m_pInputText->c_str()); if (isPsw) { std::string tempStr; for (int i = 0; i < m_pInputText->size(); i++) { tempStr.append("*"); } setString(tempStr.c_str(), m_pInputText->c_str()); }else { setString(m_pInputText->c_str(), m_pInputText->c_str()); } m_pCursorSprite->setPositionX(getContentSize().width); if (m_pInputText->empty()) { m_pCursorSprite->setPositionX(0); } return true; } bool DTCursorTextField::onTextFieldDetachWithIME(cocos2d::CCTextFieldTTF *pSender) { return false; } void DTCursorTextField::openIME() { m_pCursorSprite->setVisible(true); this->attachWithIME(); } void DTCursorTextField::closeIME() { m_pCursorSprite->setVisible(false); this->detachWithIME(); } void DTCursorTextField::onExit() { this->detachWithIME(); CCTextFieldTTF::onExit(); CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this); } bool DTCursorTextField::getIsPsw() { return isPsw; } //设置星号显示否 void DTCursorTextField::setIsPsw( bool bFlag) { isPsw = bFlag; } int DTCursorTextField::getLimitNum() { return m_limitNum; } //设置字符长度 void DTCursorTextField::setLimitNum(int limitNum) { m_limitNum = limitNum; } void DTCursorTextField::setString(const char *displayTx, const char* inputTx) { // CC_SAFE_DELETE(m_pInputText); if (inputTx) { m_pInputText = new std::string(inputTx); } 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(displayTx); } m_nCharCount = _calcCharCount(m_pInputText->c_str()); } void DTCursorTextField::setColor(const ccColor3B& color3) { m_sColor = m_sColorUnmodified = color3; if (m_bOpacityModifyRGB) { m_sColor.r = color3.r * m_nOpacity/255.0f; m_sColor.g = color3.g * m_nOpacity/255.0f; m_sColor.b = color3.b * m_nOpacity/255.0f; } updateColor(); m_pCursorSprite->setColor(color3); }