#include #include "statusBar.h" StatusBar::StatusBar(QWidget *parent) : QStatusBar(parent) ,m_pScaleLevel(nullptr) { m_pScaleLevel = new QLabel("当前级数:10",this); m_pScaleLevel->setMinimumWidth(250); addWidget(m_pScaleLevel); } StatusBar::~StatusBar() { } void StatusBar::onScaleLevelChanged(double f) { m_pScaleLevel->setText(QString::fromWCharArray(L"当前级数:")+QString::number(f)); }