QT 时钟显示 linux

#include "Clock.h" Clock::Clock() { this->year = 0; this->month = 0; this->day = 0; this->hour = 0; this ->min = 0; this->sec = 0; this->dial = new Dial(); this->hPointer = new Pointer(); this->mPointer = new Pointer(); this->sPointer = new Pointer(); } Clock::~Clock() { delete dial; delete hPointer; delete mPointer; delete sPointer; dial = NULL; hPointer = NULL; mPointer = NULL; sPointer = NULL; } void Clock::setPosition(QPoint position) { this->position = position; } void Clock::setSize(int size) { this->size = size; } void Clock::setTime(const int& year,const int& month,const int& day, const int& hour,const int& min,const int& sec) { this->year = year; this->month = month; this->day = day; this->hour = hour; this->min = min; this->sec = sec; } void Clock::paintDial(QPainter* const &painter) { dial->setPosition(this->position); dial->setSize(this->size - 10); dial->paint(painter); } void Clock::paintSecPointer(QPainter* const &painter) { QColor color(0,222,100); this->sPointer->setColor(color); this->sPointer->setLength(100); this->sPointer->setPoint(this->position); this->sPointer->setTheta(0.5); this->sPointer->setAngle((this->sec*6+270)%360); this->sPointer->paint(painter); } void Clock::paintMinPointer(QPainter* const &painter) { QColor color(240,12,12); this->mPointer->setColor(color); this->mPointer->setLength(80); this->mPointer->setPoint(this->position); this->mPointer->setTheta(1); this->mPointer->setAngle((this->min*6+270)%360); this->mPointer->paint(painter); } void Clock::paintHourPointer(QPainter* const &painter) { QColor color(121,121,12); this->mPointer->setColor(color); this->mPointer->setLength(50); this->mPointer->setPoint(this->position); this->mPointer->setTheta(2); this->mPointer->setAngle((int)(this->hour*30+this->min*0.5+270)%360); this->mPointer->paint(painter); } void Clock::paint(QPainter* const &painter) { this->paintDial(painter); this->paintSecPointer(painter); this->paintMinPointer(painter); this->paintHourPointer(painter); }