PyQt--钟表

在学习PyQt，就照着学写了一个程序，有点Low，功能少，还不能报时，以后慢慢改进，初学者互进，高手指点....

import sys

from PyQt5.QtWidgetsimport *

from PyQt5.QtGuiimport *

from PyQt5.QtCoreimport *

sed = [QPoint(0, -90), QPoint(2, 0), QPoint(0, 8), QPoint(-2, 0)]# 四个坐标点均为逻辑坐标系中的点

minute = [QPoint(0, -70), QPoint(3, 0), QPoint(0, 8), QPoint(-3, 0)]# 四个坐标点均为逻辑坐标系中的点

hour = [QPoint(0, -50), QPoint(3, 0), QPoint(0, 8), QPoint(-3, 0)]# 四个坐标点均为逻辑坐标系中的点

class Clock(QWidget):

def __init__(self, parent=None):

super(Clock, self).__init__(parent)

self.setWindowTitle("Clock")

self.pix=QPixmap('apple.png')

windWidth=300

        windHight=350

        self.resize(windWidth,windHight)

self.pix =self.pix.scaled(int(windWidth), int(windHight))

self.setMask(self.pix.mask())

self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint)

        self.timer = QTimer(self)

self.timer.start(1000)

self.timer.timeout.connect(self.update)# 计时每秒刷新一次，每次刷新触发一次paintEvent

        self.clockFont = QFont('宋体', 10)

self.setFont(self.clockFont)

def paintEvent(self, event):

painter = QPainter(self)

painter.setRenderHint(QPainter.Antialiasing, True)# 消除锯齿

        painter.drawPixmap(0, 0, self.pix.width(), self.pix.height(), self.pix)

side =min(self.width(), self.height())

# print(side)

        painter.setViewport((self.width() - side) /2, (self.height() - side) /2, side,

                            side)# 设置视窗矩形区域device coordinate system

        painter.setWindow(0, 0, 200, 200)# logical coordinate system.

        painter.begin(self)

# 自定义的绘画方法

        self.draw(painter)

painter.end()

def draw(self, qp):

thickPen = QPen(Qt.black, 1.5, Qt.SolidLine)

thinPen = QPen(Qt.black, 0.5, Qt.SolidLine)

time = QTime().currentTime()

qp.translate(100, 130)# 逻辑坐标系原点切换至新的坐标

# 秒针设置

        qp.setRenderHint(QPainter.Antialiasing)

qp.setBrush(Qt.red)

qp.setPen(Qt.red)

qp.save()

qp.rotate(6.0 * time.second())

qp.drawConvexPolygon(QPolygon(sed))# 画出秒针

        qp.restore()

# 分针设置

        qp.setRenderHint(QPainter.Antialiasing)

qp.setBrush(Qt.blue)

qp.setPen(Qt.blue)

qp.save()

qp.rotate(6.0 * (time.minute() + time.second() /60.0))

qp.drawConvexPolygon(QPolygon(minute))

qp.restore()

# 时针设置

        qp.setRenderHint(QPainter.Antialiasing)

qp.setBrush(Qt.black)

qp.setPen(Qt.black)

qp.save()

qp.rotate(30.0 * (time.hour() + time.minute() /60.0))

qp.drawConvexPolygon(QPolygon(hour))

qp.restore()

# 刻度线及时间标注

        for iin range(1, 61):

qp.save()

qp.rotate(6 * i)

if i %5 ==0:

qp.setPen(thickPen)

qp.drawLine(0, -98, 0, -82)# 逻辑坐标系中的坐标

                qp.drawText(-20, -82, 40, 40, Qt.AlignTop | Qt.AlignHCenter, str(int(i /5)))

else:

qp.setPen(thinPen)

qp.drawLine(0, -98, 0, -88)

qp.restore()

def mousePressEvent(self, QMouseEvent):

if QMouseEvent.button()==Qt.LeftButton:

self.m_drag=True

            self.m_DragPosition=QMouseEvent.globalPos()-self.pos()

QMouseEvent.accept()

self.setCursor(QCursor(Qt.OpenHandCursor))

if QMouseEvent.button()==Qt.RightButton:

self.close()

def mouseMoveEvent(self, QMouseEvent):

if Qt.LeftButtonand self.m_drag:

self.move(QMouseEvent.globalPos() -self.m_DragPosition)

QMouseEvent.accept()

def mouseReleaseEvent(self, QMouseEvent):

self.m_drag =False

            self.setCursor(QCursor(Qt.ArrowCursor))

if __name__ =="__main__":

app = QApplication(sys.argv)

demo = Clock()

demo.show()

sys.exit(app.exec_())