Qt模仿微信界面

#include "glabel.h" #include <QPen> #include <QDebug> GLabel::GLabel(QWidget *parent,GLabel::PEOPLE f) : QLabel(parent) { people = f; parent_maxwidth = ((QWidget*)this->parent())->width(); init(); } void GLabel::init() { label_text = new QLabel(this); label_text->setWordWrap(true); label_text->setGeometry(20+30,20,this->width()-40-30,this->height()-40); label_text->setStyleSheet("QLabel{background:rgb(173,216,67)}");//rgb(173,216,67) label_text->show(); label_people = new QLabel(this); if(people == GLabel::She) { label_people->setGeometry(0,18,30,30); label_text->setStyleSheet("QLabel{background:rgb(173,216,67)}"); label_people->setPixmap(QPixmap(":/image/she.png")); } else { label_people->setGeometry(this->width()-30,18,30,30); label_text->setStyleSheet("QLabel{background:rgb(240,240,240)}"); label_people->setPixmap(QPixmap(":/image/he.png")); } } void GLabel::initUI(GLabel::PEOPLE f) { } void GLabel::setSize(QString &paramstr) { // int all_word_width = this->fontMetrics().width(paramstr); // int one_line_height = this->fontMetrics().lineSpacing(); int max_width = parent_maxwidth-50;//-label_people->width(); int all_word_width; label_text->setWordWrap(false); label_text->setText(paramstr); label_text->adjustSize(); all_word_width = label_text->width(); label_text->setWordWrap(true); float line_count; int line; if(all_word_width > max_width) { // line_count = (float)all_word_width/max_width; // line = (int)line_count; // if(line < line_count)line=line+2; label_text->setMaximumWidth(max_width-20-30); label_text->setText(paramstr); label_text->adjustSize(); qDebug()<<"the size of text"<<label_text->size()<<((QWidget*)this->parent())->width()-15; m_height = label_text->height()/*line*one_line_height*/; m_width = parent_maxwidth-15; // qDebug()<<"linr_count"<<line_count<<one_line_height<<max_width<<all_word_width; this->resize(m_width,m_height+40); } else { label_text->setWordWrap(false); m_height = 66; label_text->setText(paramstr); label_text->adjustSize(); m_width = label_text->width()+40+30; //label_text->setMinimumWidth(all_word_width); this->resize(m_width+10,m_height); } if(people == GLabel::She) label_text->setGeometry(20+40,20,this->width()-40-30,this->height()-40); else label_text->setGeometry(20,20,this->width()-40-30,this->height()-40); update(); } void GLabel::setOurText(QString paramstr) { setSize(paramstr); qDebug()<<"setSize"<<this->width()<<this->height(); //label_text->setWordWrap(true); // label_text->setText(paramstr); } void GLabel::mousePressEvent(QMouseEvent *e) { qDebug()<<"this pos is"<<e->pos(); } void GLabel::setHeadpic(QString dir) { label_people->setPixmap(QPixmap(dir)); } void GLabel::paintEvent(QPaintEvent *e) { //QPainter painter(this); if(people == GLabel::She) { QRectF rectangle(50.0, 10.0, this->width()-20-40, this->height()-20); QPainter painter(this); painter.setRenderHint( QPainter::Antialiasing, true ); painter.setBrush(QBrush(QColor(173,216,67))); painter.drawRoundedRect(rectangle,10,10); QPointF points[3] = { QPointF(40, 33), QPointF(51, 28), QPointF(51, 38), }; QPen pen; pen.setColor(QColor(173,216,67)); painter.setPen(pen); painter.drawPolygon(points, 3); QPen pen1; pen.setColor(Qt::black); painter.setPen(pen1); painter.drawLine(points[0],points[1]); painter.drawLine(points[0],points[2]); } else if(people == GLabel::Me) { QRectF rectangle(10.0, 10.0, this->width()-20-40, this->height()-20); QPainter painter(this); painter.setRenderHint( QPainter::Antialiasing, true ); painter.setBrush(QBrush(QColor(240,240,240))); painter.drawRoundedRect(rectangle,10,10); QPointF points[3] = { QPointF(this->width()-40, 33), QPointF(this->width()-51, 28), QPointF(this->width()-51,38), }; QPen pen; pen.setColor(QColor(240,240,240)); painter.setPen(pen); painter.drawPolygon(points, 3); QPen pen1; pen.setColor(Qt::black); painter.setPen(pen1); painter.drawLine(points[0],points[1]); painter.drawLine(points[0],points[2]); // label_text->setGeometry(20,20,this->width()-40-30,this->height()-40); label_people->setGeometry(this->width()-30,18,30,30); this->setGeometry(((QWidget*)this->parent())->width()-15-this->width(),this->y(),this->width(),this->height()); } // qDebug()<<"this size of pix"<<label_people->size(); // drawShe(); }