一直在伸手,惭愧.
代码不多,开发环境 mingw 5.5.1
/*
* .h文件
*/
#include <QWidget>
class QHBoxLayout;
class
QLabel;
class QPushButton;
class QPropertyAnimation;
class JSwitchTitle : public
QWidget{
Q_OBJECT
public:
explicit JSwitchTitle(QWidget *parent = 0);
void addTitles(QStringList titles);
signals:
public slots:
void slotTitleClicked();
private:
QHBoxLayout* m_pHLayout;
bool m_bDrawLine = false;
QRect m_lineNew;
QRect m_lineOld;
QLabel* m_pLine;
QList<QPushButton*> m_btns;
QPropertyAnimation* m_pLabMv;
};
/*
* cpp文件
*/
#include <QHBoxLayout>
#include <QDebug>
#include <QPropertyAnimation>
#include <QLabel>
#include <QPushButton>
JSwitchTitle::JSwitchTitle(QWidget *parent) : QWidget(parent)
{
m_pHLayout = new QHBoxLayout(this);
qDebug()<<"w"<<this->width();
qDebug()<<"h"<<this->height();
m_pHLayout->setContentsMargins(20,9,20,9);
m_pLine = new QLabel(this);
m_pLine->setStyleSheet("background-color: rgb(55, 174, 254);");
m_pLine->hide();
m_pLabMv = new QPropertyAnimation(m_pLine,"geometry");
}
void JSwitchTitle::addTitles(QStringList titles)
{
foreach(
QString title,titles)
{
QPushButton* pBtn = new QPushButton(this);
pBtn->setStyleSheet("QPushButton{color:rgb(68,68,68);font-size:17px;font-family:微软雅黑;border:none}"
"QPushButton:hover{color:rgb(40,143,231);}");
pBtn->setText(title);
pBtn->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);
connect(pBtn,&QPushButton::clicked,this,&JSwitchTitle::slotTitleClicked);
m_pHLayout->addWidget(pBtn);
m_btns.append(pBtn);
}
}
void JSwitchTitle::slotTitleClicked()
{
QPushButton* pBtn = dynamic_cast<QPushButton*>(sender());
QPoint labTopLeft = pBtn->geometry().bottomLeft();
QSize labSize;
labSize.setWidth(pBtn->width());
labSize.setHeight(3);
m_pLabMv->stop();
if(!m_pLine->isVisible())
{
m_pLine->resize(labSize);
m_pLine->move(labTopLeft);
m_lineNew = QRect(labTopLeft,labSize);
m_lineOld = m_lineNew;
m_pLine->show();
}
else
{
m_pLabMv->setDuration(500);
m_lineNew = QRect(labTopLeft,labSize);
m_pLabMv->setStartValue(m_lineOld);
m_pLabMv->setEndValue(m_lineNew);
m_pLabMv->setEasingCurve(QEasingCurve::OutBounce); // 缓和曲线风格
m_pLabMv->start();
m_lineOld = m_lineNew;
}
}
