20250809

# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QPushButton
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         label1 = QLabel('Label1', self)
# #         label1.move(20, 20)
# #         label2 = QLabel('Label2', self)
# #         label2.move(20, 60)
# #
# #         btn1 = QPushButton('Button1', self)
# #         btn1.move(80, 13)
# #         btn2 = QPushButton('Button2', self)
# #         btn2.move(80, 53)
# #
# #         self.setWindowTitle('Absolute Positioning')
# #         self.setGeometry(300, 300, 400, 200)
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QHBoxLayout, QVBoxLayout
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         okButton = QPushButton('OK')
# #         cancelButton = QPushButton('Cancel')
# #
# #         hbox = QHBoxLayout()
# #         hbox.addStretch(1)
# #         hbox.addWidget(okButton)
# #         hbox.addWidget(cancelButton)
# #         hbox.addStretch(1)
# #
# #         vbox = QVBoxLayout()
# #         vbox.addStretch(3)
# #         vbox.addLayout(hbox)
# #         vbox.addStretch(1)
# #
# #         self.setLayout(vbox)
# #
# #         self.setWindowTitle('Box Layout')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import (QApplication, QWidget, QGridLayout, QLabel, QLineEdit, QTextEdit)
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         grid = QGridLayout()
# #         self.setLayout(grid)
# #
# #         grid.addWidget(QLabel('Title:'), 0, 0)
# #         grid.addWidget(QLabel('Author:'), 1, 0)
# #         grid.addWidget(QLabel('Review:'), 2, 0)
# #
# #         grid.addWidget(QLineEdit(), 0, 1)
# #         grid.addWidget(QLineEdit(), 1, 1)
# #         grid.addWidget(QTextEdit(), 2, 1)
# #
# #         self.setWindowTitle('QGridLayout')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QVBoxLayout
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         btn1 = QPushButton('&Button1', self)
# #         btn1.setCheckable(True)
# #         btn1.toggle()
# #
# #         btn2 = QPushButton(self)
# #         btn2.setText('Button&2')
# #
# #         btn3 = QPushButton('Button3', self)
# #         btn3.setEnabled(False)
# #
# #         vbox = QVBoxLayout()
# #         vbox.addWidget(btn1)
# #         vbox.addWidget(btn2)
# #         vbox.addWidget(btn3)
# #
# #         self.setLayout(vbox)
# #         self.setWindowTitle('QPushButton')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout
# # from PyQt5.QtCore import Qt
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         label1 = QLabel('First Label', self)
# #         label1.setAlignment(Qt.AlignCenter)
# #
# #         label2 = QLabel('Second Label', self)
# #         label2.setAlignment(Qt.AlignVCenter)
# #
# #         font1 = label1.font()
# #         font1.setPointSize(20)
# #
# #         font2 = label2.font()
# #         font2.setFamily('Times New Roman')
# #         font2.setBold(True)
# #
# #         label1.setFont(font1)
# #         label2.setFont(font2)
# #
# #         layout = QVBoxLayout()
# #         layout.addWidget(label1)
# #         layout.addWidget(label2)
# #
# #         self.setLayout(layout)
# #
# #         self.setWindowTitle('QLabel')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QCheckBox
# # from PyQt5.QtCore import Qt
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         cb = QCheckBox('Show title', self)
# #         cb.move(20, 20)
# #         cb.toggle()
# #         cb.stateChanged.connect(self.changeTitle)
# #
# #         self.setWindowTitle('QCheckBox')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #     def changeTitle(self, state):
# #         if state == Qt.Checked:
# #             self.setWindowTitle('QCheckBox')
# #         else:
# #             self.setWindowTitle(' ')
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QRadioButton
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         rbtn1 = QRadioButton('First Button', self)
# #         rbtn1.move(50, 50)
# #         rbtn1.setChecked(True)
# #
# #         rbtn2 = QRadioButton(self)
# #         rbtn2.move(50, 70)
# #         rbtn2.setText('Second Button')
# #
# #         self.setGeometry(300, 300, 300, 200)
# #         self.setWindowTitle('QRadioButton')
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QComboBox
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         self.lbl = QLabel('Option1', self)
# #         self.lbl.move(50, 150)
# #
# #         cb = QComboBox(self)
# #         cb.addItem('Option1')
# #         cb.addItem('Option2')
# #         cb.addItem('Option3')
# #         cb.addItem('Option4')
# #         cb.move(50, 50)
# #
# #         cb.activated[str].connect(self.onActivated)
# #
# #         self.setWindowTitle('QComboBox')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #     def onActivated(self, text):
# #         self.lbl.setText(text)
# #         self.lbl.adjustSize()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QLineEdit
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         self.lbl = QLabel(self)
# #         self.lbl.move(60, 40)
# #
# #         qle = QLineEdit(self)
# #         qle.move(60, 100)
# #         qle.textChanged[str].connect(self.onChanged)
# #
# #         self.setWindowTitle('QLineEdit')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #     def onChanged(self, text):
# #         self.lbl.setText(text)
# #         self.lbl.adjustSize()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QProgressBar
# # from PyQt5.QtCore import QBasicTimer
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         self.pbar = QProgressBar(self)
# #         self.pbar.setGeometry(30, 40, 200, 25)
# #
# #         self.btn = QPushButton('Start', self)
# #         self.btn.move(40, 80)
# #         self.btn.clicked.connect(self.doAction)
# #
# #         self.timer = QBasicTimer()
# #         self.step = 0
# #
# #         self.setWindowTitle('QProgressBar')
# #         self.setGeometry(300, 300, 300, 200)
# #         self.show()
# #
# #     def timerEvent(self, e):
# #         if self.step >= 100:
# #             self.timer.stop()
# #             self.btn.setText('Finished')
# #             return
# #
# #         self.step = self.step + 1
# #         self.pbar.setValue(self.step)
# #
# #     def doAction(self):
# #         if self.timer.isActive():
# #             self.timer.stop()
# #             self.btn.setText('Start')
# #         else:
# #             self.timer.start(100, self)
# #             self.btn.setText('Stop')
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QSlider, QDial, QPushButton
# # from PyQt5.QtCore import Qt
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         self.slider = QSlider(Qt.Horizontal, self)
# #         self.slider.move(30, 30)
# #         self.slider.setRange(0, 50)
# #         self.slider.setSingleStep(2)
# #
# #         self.dial = QDial(self)
# #         self.dial.move(30, 50)
# #         self.dial.setRange(0, 50)
# #
# #         btn = QPushButton('Default', self)
# #         btn.move(35, 160)
# #
# #         self.slider.valueChanged.connect(self.dial.setValue)
# #         self.dial.valueChanged.connect(self.slider.setValue)
# #         btn.clicked.connect(self.button_clicked)
# #
# #         self.setWindowTitle('QSlider and QDial')
# #         self.setGeometry(300, 300, 400, 200)
# #         self.show()
# #
# #     def button_clicked(self):
# #         self.slider.setValue(0)
# #         self.dial.setValue(0)
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# # import sys
# # from PyQt5.QtWidgets import QApplication, QWidget, QHBoxLayout, QFrame, QSplitter
# # from PyQt5.QtCore import Qt
# #
# #
# # class MyApp(QWidget):
# #
# #     def __init__(self):
# #         super().__init__()
# #         self.initUI()
# #
# #     def initUI(self):
# #         hbox = QHBoxLayout()
# #
# #         top = QFrame()
# #         top.setFrameShape(QFrame.Box)
# #
# #         midleft = QFrame()
# #         midleft.setFrameShape(QFrame.StyledPanel)
# #
# #         midright = QFrame()
# #         midright.setFrameShape(QFrame.Panel)
# #
# #         bottom = QFrame()
# #         bottom.setFrameShape(QFrame.WinPanel)
# #         bottom.setFrameShadow(QFrame.Sunken)
# #
# #         splitter1 = QSplitter(Qt.Horizontal)
# #         splitter1.addWidget(midleft)
# #         splitter1.addWidget(midright)
# #
# #         splitter2 = QSplitter(Qt.Vertical)
# #         splitter2.addWidget(top)
# #         splitter2.addWidget(splitter1)
# #         splitter2.addWidget(bottom)
# #
# #         hbox.addWidget(splitter2)
# #         self.setLayout(hbox)
# #
# #         self.setGeometry(300, 300, 300, 200)
# #         self.setWindowTitle('QSplitter')
# #         self.show()
# #
# #
# # if __name__ == '__main__':
# #     app = QApplication(sys.argv)
# #     ex = MyApp()
# #     sys.exit(app.exec_())
#
# import sys
# from PyQt5.QtWidgets import (QApplication, QWidget, QGroupBox, QRadioButton
# , QCheckBox, QPushButton, QMenu, QGridLayout, QVBoxLayout)
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         grid = QGridLayout()
#         grid.addWidget(self.createFirstExclusiveGroup(), 0, 0)
#         grid.addWidget(self.createSecondExclusiveGroup(), 1, 0)
#         grid.addWidget(self.createNonExclusiveGroup(), 0, 1)
#         grid.addWidget(self.createPushButtonGroup(), 1, 1)
#
#         self.setLayout(grid)
#
#         self.setWindowTitle('Box Layout')
#         self.setGeometry(300, 300, 480, 320)
#         self.show()
#
#     def createFirstExclusiveGroup(self):
#         groupbox = QGroupBox('Exclusive Radio Buttons')
#
#         radio1 = QRadioButton('Radio1')
#         radio2 = QRadioButton('Radio2')
#         radio3 = QRadioButton('Radio3')
#         radio1.setChecked(True)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(radio1)
#         vbox.addWidget(radio2)
#         vbox.addWidget(radio3)
#         groupbox.setLayout(vbox)
#
#         return groupbox
#
#     def createSecondExclusiveGroup(self):
#         groupbox = QGroupBox('Exclusive Radio Buttons')
#         groupbox.setCheckable(True)
#         groupbox.setChecked(False)
#
#         radio1 = QRadioButton('Radio1')
#         radio2 = QRadioButton('Radio2')
#         radio3 = QRadioButton('Radio3')
#         radio1.setChecked(True)
#         checkbox = QCheckBox('Independent Checkbox')
#         checkbox.setChecked(True)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(radio1)
#         vbox.addWidget(radio2)
#         vbox.addWidget(radio3)
#         vbox.addWidget(checkbox)
#         vbox.addStretch(1)
#         groupbox.setLayout(vbox)
#
#         return groupbox
#
#     def createNonExclusiveGroup(self):
#         groupbox = QGroupBox('Non-Exclusive Checkboxes')
#         groupbox.setFlat(True)
#
#         checkbox1 = QCheckBox('Checkbox1')
#         checkbox2 = QCheckBox('Checkbox2')
#         checkbox2.setChecked(True)
#         tristatebox = QCheckBox('Tri-state Button')
#         tristatebox.setTristate(True)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(checkbox1)
#         vbox.addWidget(checkbox2)
#         vbox.addWidget(tristatebox)
#         vbox.addStretch(1)
#         groupbox.setLayout(vbox)
#
#         return groupbox
#
#     def createPushButtonGroup(self):
#         groupbox = QGroupBox('Push Buttons')
#         groupbox.setCheckable(True)
#         groupbox.setChecked(True)
#
#         pushbutton = QPushButton('Normal Button')
#         togglebutton = QPushButton('Toggle Button')
#         togglebutton.setCheckable(True)
#         togglebutton.setChecked(True)
#         flatbutton = QPushButton('Flat Button')
#         flatbutton.setFlat(True)
#         popupbutton = QPushButton('Popup Button')
#         menu = QMenu(self)
#         menu.addAction('First Item')
#         menu.addAction('Second Item')
#         menu.addAction('Third Item')
#         menu.addAction('Fourth Item')
#         popupbutton.setMenu(menu)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(pushbutton)
#         vbox.addWidget(togglebutton)
#         vbox.addWidget(flatbutton)
#         vbox.addWidget(popupbutton)
#         vbox.addStretch(1)
#         groupbox.setLayout(vbox)
#
#         return groupbox
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())


# class Person :
#     def __init__(self):
#         self.age = 10
#         self.name = "abcd"
#
#     def speak(self):
#         print("age",self.age," name ",self.name)
#
# class Student(Person) :
#     def __init__(self):
#         super().__init__()
#         self.school = "def"
#     def stu_speak(self):
#         super().speak()
#         print("im student")
#
# b = Student()
# b.stu_speak()


# class Circle:
#     def __init__(self,radius,name):
#         self.radius = radius
#         self.name = name
#
#     def setRadius(self,r):
#         self.radius = r
#
#     def speak(self):
#         print("radius is",self.radius," name is ",self.name)
#
# a = Circle(50,"pizza")
# a.speak()
#
# a.setRadius(500)
# a.speak()

# a = Circle()
# b = Circle()
#
# a.radius = 10
# a.name = "pizza"
#
# a.speak()

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QTabWidget, QVBoxLayout
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         tab1 = QWidget()
#         tab2 = QWidget()
#
#         tabs = QTabWidget()
#         tabs.addTab(tab1, 'Tab1')
#         tabs.addTab(tab2, 'Tab2')
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(tabs)
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QTabWidget')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout
# from PyQt5.QtGui import QPixmap
# from PyQt5.QtCore import Qt
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         pixmap = QPixmap('landscape.jpg')
#
#         lbl_img = QLabel()
#         lbl_img.setPixmap(pixmap)
#         lbl_size = QLabel('Width: '+str(pixmap.width())+', Height: '+str(pixmap.height()))
#         lbl_size.setAlignment(Qt.AlignCenter)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lbl_img)
#         vbox.addWidget(lbl_size)
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QPixmap')
#         self.move(300, 300)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QVBoxLayout, QCalendarWidget
# from PyQt5.QtCore import QDate
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         cal = QCalendarWidget(self)
#         cal.setGridVisible(True)
#         cal.clicked[QDate].connect(self.showDate)
#
#         self.lbl = QLabel(self)
#         date = cal.selectedDate()
#         self.lbl.setText(date.toString())
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(cal)
#         vbox.addWidget(self.lbl)
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QCalendarWidget')
#         self.setGeometry(300, 300, 400, 300)
#         self.show()
#
#     def showDate(self, date):
#         self.lbl.setText(date.toString())
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QSpinBox, QVBoxLayout
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.lbl1 = QLabel('QSpinBox')
#         self.spinbox = QSpinBox()
#         self.spinbox.setMinimum(-10)
#         self.spinbox.setMaximum(30)
#         # self.spinbox.setRange(-10, 30)
#         self.spinbox.setSingleStep(2)
#         self.lbl2 = QLabel('0')
#
#         self.spinbox.valueChanged.connect(self.value_changed)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(self.lbl1)
#         vbox.addWidget(self.spinbox)
#         vbox.addWidget(self.lbl2)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QSpinBox')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def value_changed(self):
#         self.lbl2.setText(str(self.spinbox.value()))
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QDoubleSpinBox, QVBoxLayout
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.lbl1 = QLabel('QDoubleSpinBox')
#         self.dspinbox = QDoubleSpinBox()
#         self.dspinbox.setRange(0, 100)
#         self.dspinbox.setSingleStep(0.5)
#         self.dspinbox.setPrefix('$ ')
#         self.dspinbox.setDecimals(1)
#         self.lbl2 = QLabel('$ 0.0')
#
#         self.dspinbox.valueChanged.connect(self.value_changed)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(self.lbl1)
#         vbox.addWidget(self.dspinbox)
#         vbox.addWidget(self.lbl2)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QDoubleSpinBox')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def value_changed(self):
#         self.lbl2.setText('$ ' + str(self.dspinbox.value()))
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QDateEdit, QVBoxLayout
# from PyQt5.QtCore import QDate
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         lbl = QLabel('QDateEdit')
#
#         dateedit = QDateEdit(self)
#         dateedit.setDate(QDate.currentDate())
#         dateedit.setMinimumDate(QDate(1900, 1, 1))
#         dateedit.setMaximumDate(QDate(2100, 12, 31))
#         # dateedit.setDateRange(QDate(1900, 1, 1), QDate(2100, 12, 31))
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lbl)
#         vbox.addWidget(dateedit)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QDateEdit')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QTimeEdit, QVBoxLayout
# from PyQt5.QtCore import QTime
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         lbl = QLabel('QTimeEdit')
#
#         timeedit = QTimeEdit(self)
#         timeedit.setTime(QTime.currentTime())
#         timeedit.setTimeRange(QTime(3, 00, 00), QTime(23, 30, 00))
#         timeedit.setDisplayFormat('hh:mm:ss')
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lbl)
#         vbox.addWidget(timeedit)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QTimeEdit')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QDateTimeEdit, QVBoxLayout
# from PyQt5.QtCore import QDateTime
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         lbl = QLabel('QTimeEdit')
#
#         datetimeedit = QDateTimeEdit(self)
#         datetimeedit.setDateTime(QDateTime.currentDateTime())
#         datetimeedit.setDateTimeRange(QDateTime(1900, 1, 1, 00, 00, 00), QDateTime(2100, 1, 1, 00, 00, 00))
#         datetimeedit.setDisplayFormat('yyyy.MM.dd hh:mm:ss')
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lbl)
#         vbox.addWidget(datetimeedit)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QDateTimeEdit')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import (QApplication, QWidget
# , QLineEdit, QTextBrowser, QPushButton, QVBoxLayout)
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.le = QLineEdit()
#         self.le.returnPressed.connect(self.append_text)
#
#         self.tb = QTextBrowser()
#         self.tb.setAcceptRichText(True)
#         self.tb.setOpenExternalLinks(True)
#
#         self.clear_btn = QPushButton('Clear')
#         self.clear_btn.pressed.connect(self.clear_text)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(self.le, 0)
#         vbox.addWidget(self.tb, 1)
#         vbox.addWidget(self.clear_btn, 2)
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QTextBrowser')
#         self.setGeometry(300, 300, 300, 300)
#         self.show()
#
#     def append_text(self):
#         text = self.le.text()
#         self.tb.append(text)
#         self.le.clear()
#
#     def clear_text(self):
#         self.tb.clear()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLabel, QTextEdit, QVBoxLayout
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.lbl1 = QLabel('Enter your sentence:')
#         self.te = QTextEdit()
#         self.te.setAcceptRichText(False)
#         self.lbl2 = QLabel('The number of words is 0')
#
#         self.te.textChanged.connect(self.text_changed)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(self.lbl1)
#         vbox.addWidget(self.te)
#         vbox.addWidget(self.lbl2)
#         vbox.addStretch()
#
#         self.setLayout(vbox)
#
#         self.setWindowTitle('QTextEdit')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def text_changed(self):
#         text = self.te.toPlainText()
#         self.lbl2.setText('The number of words is ' + str(len(text.split())))
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import *
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#
#         self.tableWidget = QTableWidget()
#         self.tableWidget.setRowCount(20)
#         self.tableWidget.setColumnCount(4)
#
#         self.tableWidget.setEditTriggers(QAbstractItemView.NoEditTriggers)
#         # self.tableWidget.setEditTriggers(QAbstractItemView.DoubleClicked)
#         # self.tableWidget.setEditTriggers(QAbstractItemView.AllEditTriggers)
#
#         self.tableWidget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
#         # self.tableWidget.horizontalHeader().setSectionResizeMode(QHeaderView.ResizeToContents)
#
#         for i in range(20):
#             for j in range(4):
#                 self.tableWidget.setItem(i, j, QTableWidgetItem(str(i+j)))
#
#         layout = QVBoxLayout()
#         layout.addWidget(self.tableWidget)
#         self.setLayout(layout)
#
#         self.setWindowTitle('QTableWidget')
#         self.setGeometry(300, 100, 600, 400)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import (QApplication, QWidget, QPushButton, QLineEdit, QInputDialog)
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.btn = QPushButton('Dialog', self)
#         self.btn.move(30, 30)
#         self.btn.clicked.connect(self.showDialog)
#
#         self.le = QLineEdit(self)
#         self.le.move(120, 35)
#
#         self.setWindowTitle('Input dialog')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def showDialog(self):
#         text, ok = QInputDialog.getText(self, 'Input Dialog', 'Enter your name:')
#
#         if ok:
#             self.le.setText(str(text))
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QFrame, QColorDialog
from PyQt5.QtGui import QColor


# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         col = QColor(0, 0, 0)
#
#         self.btn = QPushButton('Dialog', self)
#         self.btn.move(30, 30)
#         self.btn.clicked.connect(self.showDialog)
#
#         self.frm = QFrame(self)
#         self.frm.setStyleSheet('QWidget { background-color: %s }' % col.name())
#         self.frm.setGeometry(130, 35, 100, 100)
#
#         self.setWindowTitle('Color Dialog')
#         self.setGeometry(300, 300, 250, 180)
#         self.show()
#
#     def showDialog(self):
#         col = QColorDialog.getColor()
#
#         if col.isValid():
#             self.frm.setStyleSheet('QWidget { background-color: %s }' % col.name())
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import (QApplication, QWidget, QVBoxLayout
# , QPushButton, QSizePolicy, QLabel, QFontDialog)
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         btn = QPushButton('Dialog', self)
#         btn.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
#         btn.move(20, 20)
#         btn.clicked.connect(self.showDialog)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(btn)
#
#         self.lbl = QLabel('The quick brown fox jumps over the lazy dog', self)
#         self.lbl.move(130, 20)
#
#         vbox.addWidget(self.lbl)
#         self.setLayout(vbox)
#
#         self.setWindowTitle('Font Dialog')
#         self.setGeometry(300, 300, 250, 180)
#         self.show()
#
#     def showDialog(self):
#         font, ok = QFontDialog.getFont()
#
#         if ok:
#            self.lbl.setFont(font)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QMainWindow, QTextEdit, QAction, QFileDialog
# from PyQt5.QtGui import QIcon
#
#
# class MyApp(QMainWindow):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.textEdit = QTextEdit()
#         self.setCentralWidget(self.textEdit)
#         self.statusBar()
#
#         openFile = QAction(QIcon('open.png'), 'Open', self)
#         openFile.setShortcut('Ctrl+O')
#         openFile.setStatusTip('Open New File')
#         openFile.triggered.connect(self.showDialog)
#
#         menubar = self.menuBar()
#         menubar.setNativeMenuBar(False)
#         fileMenu = menubar.addMenu('&File')
#         fileMenu.addAction(openFile)
#
#         self.setWindowTitle('File Dialog')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def showDialog(self):
#         fname = QFileDialog.getOpenFileName(self, 'Open file', './')
#
#         if fname[0]:
#             f = open(fname[0], 'r')
#
#             with f:
#                 data = f.read()
#                 self.textEdit.setText(data)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QMessageBox
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.setWindowTitle('QMessageBox')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def closeEvent(self, event):
#         reply = QMessageBox.question(self, 'Message', 'Are you sure to quit?',
#                                     QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
#
#         if reply == QMessageBox.Yes:
#             event.accept()
#         else:
#             event.ignore()
#
#
# if __name__ == '__main__':
#    app = QApplication(sys.argv)
#    ex = MyApp()
#    sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QApplication, QWidget, QLCDNumber, QDial, QVBoxLayout
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         lcd = QLCDNumber(self)
#         dial = QDial(self)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lcd)
#         vbox.addWidget(dial)
#         self.setLayout(vbox)
#
#         dial.valueChanged.connect(lcd.display)
#
#         self.setWindowTitle('Signal and Slot')
#         self.setGeometry(300, 300, 200, 200)
#         self.show()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import (QApplication, QWidget
# , QLCDNumber, QDial, QPushButton, QVBoxLayout, QHBoxLayout)
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         lcd = QLCDNumber(self)
#         dial = QDial(self)
#         btn1 = QPushButton('Big', self)
#         btn2 = QPushButton('Small', self)
#
#         hbox = QHBoxLayout()
#         hbox.addWidget(btn1)
#         hbox.addWidget(btn2)
#
#         vbox = QVBoxLayout()
#         vbox.addWidget(lcd)
#         vbox.addWidget(dial)
#         vbox.addLayout(hbox)
#         self.setLayout(vbox)
#
#         dial.valueChanged.connect(lcd.display)
#         btn1.clicked.connect(self.resizeBig)
#         btn2.clicked.connect(self.resizeSmall)
#
#         self.setWindowTitle('Signal and Slot')
#         self.setGeometry(200, 200, 200, 250)
#         self.show()
#
#     def resizeBig(self):
#         self.resize(400, 500)
#
#     def resizeSmall(self):
#         self.resize(200, 250)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtCore import Qt
# from PyQt5.QtWidgets import QApplication, QWidget
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.setWindowTitle('Reimplementing event handler')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def keyPressEvent(self, e):
#         if e.key() == Qt.Key_Escape:
#             self.close()
#         elif e.key() == Qt.Key_F:
#             self.showFullScreen()
#         elif e.key() == Qt.Key_N:
#             self.showNormal()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QLabel


# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         x = 0
#         y = 0
#
#         self.text = 'x: {0}, y: {1}'.format(x, y)
#         self.label = QLabel(self.text, self)
#         self.label.move(20, 20)
#
#         self.setMouseTracking(True)
#
#         self.setWindowTitle('Reimplementing event handler')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def mouseMoveEvent(self, e):
#         x = e.x()
#         y = e.y()
#
#         text = 'x: {0}, y: {1}'.format(x, y)
#         self.label.setText(text)
#         self.label.adjustSize()


# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtCore import pyqtSignal, QObject
# from PyQt5.QtWidgets import QApplication, QMainWindow
#
#
# class Communicate(QObject):
#
#     closeApp = pyqtSignal()
#
#
# class MyApp(QMainWindow):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.c = Communicate()
#         self.c.closeApp.connect(self.close)
#
#         self.setWindowTitle('Emitting Signal')
#         self.setGeometry(300, 300, 300, 200)
#         self.show()
#
#     def mousePressEvent(self, e):
#         self.c.closeApp.emit()
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QWidget, QApplication
# from PyQt5.QtGui import QPainter, QPen
# from PyQt5.QtCore import Qt
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.setGeometry(300, 300, 400, 300)
#         self.setWindowTitle('Points')
#         self.show()
#
#     def paintEvent(self, e):
#         qp = QPainter()
#         qp.begin(self)
#         self.draw_point(qp)
#         qp.end()
#
#     def draw_point(self, qp):
#         qp.setPen(QPen(Qt.blue,  8))
#         qp.drawPoint(self.width()/2, self.height()/2)
#
#     def draw_point(self, qp):
#         qp.setPen(QPen(Qt.blue, 8))
#         qp.drawPoint(self.width() / 2, self.height() / 2)
#         qp.setPen(QPen(Qt.green, 12))
#         qp.drawPoint(self.width() / 4, 3 * self.height() / 4)
#         qp.setPen(QPen(Qt.red, 16))
#         qp.drawPoint(3 * self.width() / 4, self.height() / 4)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QWidget, QApplication
# from PyQt5.QtGui import QPainter, QPen
# from PyQt5.QtCore import Qt
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.setGeometry(300, 300, 400, 300)
#         self.setWindowTitle('drawLine')
#         self.show()
#
#     def paintEvent(self, e):
#         qp = QPainter()
#         qp.begin(self)
#         self.draw_line(qp)
#         qp.end()
#
#     def draw_line(self, qp):
#         qp.setPen(QPen(Qt.gray, 15))
#         qp.drawLine(30, 230, 200, 50)
#         qp.setPen(QPen(Qt.black, 30))
#         qp.drawLine(140, 60, 320, 280)
#         qp.setPen(QPen(Qt.white, 16))
#         qp.drawLine(330, 250, 40, 190)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())

# import sys
# from PyQt5.QtWidgets import QWidget, QApplication
# from PyQt5.QtGui import QPainter, QPen, QColor, QBrush
# from PyQt5.QtCore import Qt
#
#
# class MyApp(QWidget):
#
#     def __init__(self):
#         super().__init__()
#         self.initUI()
#
#     def initUI(self):
#         self.setGeometry(300, 300, 400, 300)
#         self.setWindowTitle('drawRect')
#         self.show()
#
#     def paintEvent(self, e):
#         qp = QPainter()
#         qp.begin(self)
#         self.draw_rect(qp)
#         qp.end()
#
#     def draw_rect(self, qp):
#         qp.setBrush(QColor(50, 20, 25))
#         qp.setPen(QPen(QColor(10, 10, 10), 3))
#         qp.drawRect(20, 20, 100, 100)
#
#         qp.setBrush(QColor(40, 150, 20))
#         qp.setPen(QPen(Qt.blue, 2))
#         qp.drawRect(180, 120, 50, 120)
#
#         qp.setBrush(Qt.yellow)
#         qp.setPen(QPen(Qt.red, 5))
#         qp.drawRect(280, 30, 80, 40)
#
#
# if __name__ == '__main__':
#     app = QApplication(sys.argv)
#     ex = MyApp()
#     sys.exit(app.exec_())


import sys
from PyQt5.QtWidgets import QWidget, QApplication
from PyQt5.QtGui import QPainter, QPen, QColor, QBrush
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QVBoxLayout


class MyApp(QWidget):

    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.btn = QPushButton('START', self)
        self.btn.setGeometry(10, 10, 360, 50)
        self.btn.setStyleSheet("background-color : pink")
        
        self.btn1 = QPushButton('STOP', self)
        self.btn1.setGeometry(10, 80, 360, 50)
        self.btn1.setStyleSheet("background-color : orange")

        self.btn2 = QPushButton('SAVE', self)
        self.btn2.setGeometry(10, 150, 360, 50)
        self.btn2.setStyleSheet("background-color : yellow")

        self.btn3 = QPushButton('PRINT', self)
        self.btn3.setGeometry(10, 220, 360, 50)
        self.btn3.setStyleSheet("background-color : green")
        self.setGeometry(300, 300, 400, 300)
        self.setWindowTitle('drawRect')
        self.show()


    def paintEvent(self, e):
        qp = QPainter()
        qp.begin(self)
        self.draw_rect(qp)
        qp.end()

    def draw_rect(self, qp):
        qp.setBrush(QColor(250, 100, 160))
        qp.setPen(QPen(QColor(20, 20, 20), 2))
        qp.drawRect(10, 10, 360, 50)

        qp.setBrush(QColor(250, 150, 20))
        qp.setPen(QPen(Qt.blue, 2))
        qp.drawRect(10, 80, 360, 50)

        qp.setBrush(Qt.yellow)
        qp.setPen(QPen(Qt.red, 2))
        qp.drawRect(10, 150, 360, 50)

        qp.setBrush(QColor(100, 200, 150))
        qp.setPen(QPen(Qt.black, 2))
        qp.drawRect(10, 220, 360, 50)


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = MyApp()
    sys.exit(app.exec_())