向GUI添加简单时钟

时间：2018-01-09 12:40:08

标签： python pyqt pyqt5 qt-designer qlcdnumber

我有一些非常通用/空白的GUI代码，包含一些标签和按钮以及一个LCD小部件。我还有一些单独窗口的代码，它只使用LCD小部件来显示时间。我的问题是如何将时钟代码插入到通用GUI代码中以使LCD小部件显示时间？

from PyQt5.QtCore import QTime, QTimer
from PyQt5.QtWidgets import QApplication, QLCDNumber
class DigitalClock(QLCDNumber):

    def __init__(self, parent=None):
        super(DigitalClock, self).__init__(parent)
        self.setSegmentStyle(QLCDNumber.Filled)
        timer = QTimer(self)
        timer.timeout.connect(self.showTime)
        timer.start(1000)
        self.showTime()
        self.setWindowTitle("Digital Clock")
        self.resize(150, 60)

    def showTime(self):
        time = QTime.currentTime()
        text = time.toString('hh:mm')
        if (time.second() % 2) == 0:
            text = text[:2] + ' ' + text[3:]
        self.display(text)

if __name__ == '__main__':
    import sys
    app = QApplication(sys.argv)
    clock = DigitalClock()
    clock.show()
    sys.exit(app.exec_())

这是简单时钟的代码，我想将其插入到以下内容中，以使LCD小部件显示像这样的时间：

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_mainWindow(object):
    def setupUi(self, mainWindow):
        mainWindow.setObjectName("mainWindow")
        mainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(mainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.Clock = QtWidgets.QWidget(self.centralwidget)
        self.Clock.setGeometry(QtCore.QRect(60, 420, 120, 80))
        self.Clock.setObjectName("Clock")
        self.DigitalClock = QtWidgets.QLCDNumber(self.centralwidget)
        self.DigitalClock.setGeometry(QtCore.QRect(110, 190, 64, 23))
        self.DigitalClock.setDigitCount(8)
        self.DigitalClock.setObjectName("DigitalClock")
        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(100, 60, 75, 23))
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(100, 110, 75, 23))
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_3.setGeometry(QtCore.QRect(100, 150, 75, 23))
        self.pushButton_3.setObjectName("pushButton_3")
        self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_4.setGeometry(QtCore.QRect(230, 60, 75, 23))
        self.pushButton_4.setObjectName("pushButton_4")
        self.pushButton_5 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_5.setGeometry(QtCore.QRect(220, 100, 75, 23))
        self.pushButton_5.setObjectName("pushButton_5")
        self.pushButton_6 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_6.setGeometry(QtCore.QRect(230, 150, 75, 23))
        self.pushButton_6.setObjectName("pushButton_6")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(20, 60, 47, 13))
        self.label.setObjectName("label")
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setGeometry(QtCore.QRect(20, 120, 47, 13))
        self.label_2.setObjectName("label_2")
        self.label_3 = QtWidgets.QLabel(self.centralwidget)
        self.label_3.setGeometry(QtCore.QRect(20, 160, 47, 13))
        self.label_3.setObjectName("label_3")
        mainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(mainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
        self.menubar.setObjectName("menubar")
        mainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(mainWindow)
        self.statusbar.setObjectName("statusbar")
        mainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(mainWindow)
        QtCore.QMetaObject.connectSlotsByName(mainWindow)

    def retranslateUi(self, mainWindow):
        _translate = QtCore.QCoreApplication.translate
        mainWindow.setWindowTitle(_translate("mainWindow", "Sim Monitor"))
        self.pushButton.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_2.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_3.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_4.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_5.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_6.setText(_translate("mainWindow", "PushButton"))
        self.label.setText(_translate("mainWindow", "TextLabel"))
        self.label_2.setText(_translate("mainWindow", "TextLabel"))
        self.label_3.setText(_translate("mainWindow", "TextLabel"))


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    mainWindow = QtWidgets.QMainWindow()
    ui = Ui_mainWindow()
    ui.setupUi(mainWindow)
    mainWindow.show()
    sys.exit(app.exec_())

2 个答案:

答案 0 :(得分：2)

简单解决方案：

假设第一个文件名为DigitalClock.py，第二个文件名为main.py，则只需将导入添加到main.py并更改QLCDNumber创建的行：

<强> main.py 

from DigitalClock import DigitalClock
# ...
self.DigitalClock = DigitalClock(self.centralwidget) # QtWidgets.QLCDNumber(self.centralwidget)

长期解决方案：

推广QLCDNumber以使用DigitalClock，你可以参考这个other answer的指南，你可以用DigitalClock和PyQt5.QtMultimediaWidgets用DigitalClock交换QVideoWidget。

另一种方法是创建一个小部件插件，以便它可以直接在Qt Designer中使用。

答案 1 :(得分：0)

DigitalClockFile.py 

EmbeddedHeaderUtils

generatedUI.py（来自QtDesigner）

from PyQt5.QtCore import QTime, QTimer
from PyQt5.QtWidgets import QApplication, QLCDNumber

class DigitalClock(QLCDNumber):

    def __init__(self, parent=None):
        super(DigitalClock, self).__init__(parent)
        self.setSegmentStyle(QLCDNumber.Filled)
        self.setDigitCount(10)
        timer = QTimer(self)
        timer.timeout.connect(self.showTime)
        timer.start(1000)
        self.showTime()
        self.setWindowTitle("Digital Clock")
        self.resize(150, 60)

    def showTime(self):
        time = QTime.currentTime()
        text = time.toString('hh:mm:ss')
        if (time.second() % 2) == 0:
            text = text[:2] + ' ' + text[3:5]+' '+text[6:]
        self.display(text)

if __name__ == '__main__':
    import sys
    app = QApplication(sys.argv)
    clock = DigitalClock()
    clock.show()
    sys.exit(app.exec_())

main.py 

from PyQt5 import QtCore, QtGui, QtWidgets
import sys

class Ui_mainWindow(object):
    def setupUi(self, mainWindow):
        mainWindow.setObjectName("mainWindow")
        mainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(mainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.Clock = QtWidgets.QWidget(self.centralwidget)
        self.Clock.setGeometry(QtCore.QRect(60, 420, 120, 80))
        self.Clock.setObjectName("Clock")

#       Remove DigitalClock FROM YOUR UI DESIGN,Since you already implemented your Digital Clock
#       I would suggest regenerating .py from .ui after deleting digitalClock
#       instead of commenting uot like me

#        self.DigitalClock = QtWidgets.QLCDNumber(self.centralwidget)
#        self.DigitalClock.setGeometry(QtCore.QRect(110, 190, 64, 23))
#        self.DigitalClock.setDigitCount(8)
#        self.DigitalClock.setObjectName("DigitalClock")


        self.pushButton = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton.setGeometry(QtCore.QRect(100, 60, 75, 23))
        self.pushButton.setObjectName("pushButton")
        self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_2.setGeometry(QtCore.QRect(100, 110, 75, 23))
        self.pushButton_2.setObjectName("pushButton_2")
        self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_3.setGeometry(QtCore.QRect(100, 150, 75, 23))
        self.pushButton_3.setObjectName("pushButton_3")
        self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_4.setGeometry(QtCore.QRect(230, 60, 75, 23))
        self.pushButton_4.setObjectName("pushButton_4")
        self.pushButton_5 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_5.setGeometry(QtCore.QRect(220, 100, 75, 23))
        self.pushButton_5.setObjectName("pushButton_5")
        self.pushButton_6 = QtWidgets.QPushButton(self.centralwidget)
        self.pushButton_6.setGeometry(QtCore.QRect(230, 150, 75, 23))
        self.pushButton_6.setObjectName("pushButton_6")
        self.label = QtWidgets.QLabel(self.centralwidget)
        self.label.setGeometry(QtCore.QRect(20, 60, 47, 13))
        self.label.setObjectName("label")
        self.label_2 = QtWidgets.QLabel(self.centralwidget)
        self.label_2.setGeometry(QtCore.QRect(20, 120, 47, 13))
        self.label_2.setObjectName("label_2")
        self.label_3 = QtWidgets.QLabel(self.centralwidget)
        self.label_3.setGeometry(QtCore.QRect(20, 160, 47, 13))
        self.label_3.setObjectName("label_3")
        mainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(mainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 21))
        self.menubar.setObjectName("menubar")
        mainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(mainWindow)
        self.statusbar.setObjectName("statusbar")
        mainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(mainWindow)
        QtCore.QMetaObject.connectSlotsByName(mainWindow)

    def retranslateUi(self, mainWindow):
        _translate = QtCore.QCoreApplication.translate
        mainWindow.setWindowTitle(_translate("mainWindow", "Sim Monitor"))
        self.pushButton.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_2.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_3.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_4.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_5.setText(_translate("mainWindow", "PushButton"))
        self.pushButton_6.setText(_translate("mainWindow", "PushButton"))
        self.label.setText(_translate("mainWindow", "TextLabel"))
        self.label_2.setText(_translate("mainWindow", "TextLabel"))
        self.label_3.setText(_translate("mainWindow", "TextLabel"))

if  __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    mainWindow = QtWidgets.QMainWindow()
    ui = Ui_mainWindow()
    ui.setupUi(mainWindow)
    mainWindow.show()
    sys.exit(app.exec_())

在单个目录中添加所有这三个文件。因为你已经实现了DigitalClock，所以不要在UI中添加时钟，只需继承QtDEsigner生成的类，并在继承的modifiedUI.py中添加你的时钟，只需运行main.py即可实现期望的任务。希望它有帮助

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