Tetris

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from PyQt5.QtWidgets import QPushButton, QDialog, QRadioButton, QButtonGroup, QVBoxLayout, QLabel
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from PyQt5.QtCore import pyqtSignal
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from PyQt5 import QtGui
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from settingsTetris import Setting as st
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class ChangeSize(QDialog):
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    """Dialog window"""
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    SizeSignal = pyqtSignal()
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    def __init__(self):
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        super(ChangeSize, self).__init__()
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        self.initUI()
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        self.loadStyle()
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    def loadStyle(self):
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        styledialog = "static/styleDialog.css"
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        with open(styledialog, "r") as f:
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            self.setStyleSheet(f.read())
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    def initUI(self):
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        lb = QLabel('Choise height x width', self)
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        radio = QRadioButton('15х10', self)
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        radio.setChecked(True)
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        radio_2 = QRadioButton('18х12', self)
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        radio_3 = QRadioButton('20х15', self)
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        radio_4 = QRadioButton('25х20', self)
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        self.radioGroup = QButtonGroup()
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        self.radioGroup.addButton(radio)
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        self.radioGroup.addButton(radio_2)
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        self.radioGroup.addButton(radio_3)
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        self.radioGroup.addButton(radio_4)
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        self.radioGroup.buttonClicked.connect(self.buttonYesClicked)
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        self.radioDict = {radio: '1510', radio_2: '1812', radio_3: '2015', radio_4: '2520'}
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        layout = QVBoxLayout(self)
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        layout.addWidget(lb)
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        layout.addWidget(radio)
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        layout.addWidget(radio_2)
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        layout.addWidget(radio_3)
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        layout.addWidget(radio_4)
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        qbtn = QPushButton('Cancel', self)
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        qbtn.clicked.connect(self.close)
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        layout.addWidget(qbtn)
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        self.setWindowTitle('Change Size')
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        self.setWindowIcon(QtGui.QIcon('Photo/Settings.jpg'))
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        self.setFixedSize(250, 200)
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    def buttonYesClicked(self, button):
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        """Change parameters of main window"""
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        st.board_h = int(self.radioDict[button][:2])
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        st.board_w = int(self.radioDict[button][2:])
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        self.SizeSignal.emit()
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        self.close()
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