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update · datapython/pythonprogramming@4872f50 · GitHub

/ pythonprogramming Public
forked from kenwaldek/pythonprogramming

Commit 4872f50

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kenwaldek
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update
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‎.idea/workspace.xml‎

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‎pyqt5_lesson15.py‎

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#! /usr/bin/env python3
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# -*- coding:utf-8 -*-
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###############################################################
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# kenwaldek GPL-license
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# Title: PyQt5 lesson 15 Version: 1.0
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# Date: 09-01-17 Language: python3
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# Description: pyqt5 gui and file saving
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# pythonprogramming.net from PyQt4 to PyQt5
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###############################################################
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# do something
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import sys
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from PyQt5.QtCore import QCoreApplication, Qt
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from PyQt5.QtGui import QIcon, QColor
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from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow, QPushButton, QAction, QMessageBox
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from PyQt5.QtWidgets import QCalendarWidget, QFontDialog, QColorDialog, QTextEdit, QFileDialog
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from PyQt5.QtWidgets import QCheckBox, QProgressBar, QComboBox, QLabel, QStyleFactory, QLineEdit, QInputDialog
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class window(QMainWindow):
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def __init__(self):
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super(window, self).__init__()
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self.setGeometry(50, 50, 800, 500)
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self.setWindowTitle('pyqt5 Tut')
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self.setWindowIcon(QIcon('pic.png'))
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extractAction = QAction('&Get to the choppah', self)
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extractAction.setShortcut('Ctrl+Q')
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extractAction.setStatusTip('leave the app')
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extractAction.triggered.connect(self.close_application)
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openEditor = QAction('&Editor', self)
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openEditor.setShortcut('Ctrl+E')
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openEditor.setStatusTip('Open Editor')
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openEditor.triggered.connect(self.editor)
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openFile = QAction('&Open File', self)
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openFile.setShortcut('Ctrl+O')
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openFile.setStatusTip('Open File')
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openFile.triggered.connect(self.file_open)
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saveFile = QAction('&Save File', self)
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saveFile.setShortcut('Ctrl+S')
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saveFile.setStatusTip('Save File')
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saveFile.triggered.connect(self.file_save)
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self.statusBar()
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mainMenu = self.menuBar()
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fileMenu = mainMenu.addMenu('&File')
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fileMenu.addAction(extractAction)
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fileMenu.addAction(openFile)
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fileMenu.addAction(saveFile)
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editorMenu = mainMenu.addMenu('&Editor')
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editorMenu.addAction(openEditor)
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extractAction = QAction(QIcon('pic.png'), 'flee the scene', self)
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extractAction.triggered.connect(self.close_application)
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self.toolBar = self.addToolBar('extraction')
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self.toolBar.addAction(extractAction)
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fontChoice = QAction('Font', self)
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fontChoice.triggered.connect(self.font_choice)
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# self.toolBar = self.addToolBar('Font')
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self.toolBar.addAction(fontChoice)
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cal = QCalendarWidget(self)
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cal.move(500, 200)
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cal.resize(200, 200)
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self.home()
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def editor(self):
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self.textEdit = QTextEdit()
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self.setCentralWidget(self.textEdit)
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def file_open(self):
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# need to make name an tupple otherwise i had an error and app crashed
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name, _ = QFileDialog.getOpenFileName(self, 'Open File', options=QFileDialog.DontUseNativeDialog)
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print('tot na dialog gelukt') # for debugging
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file = open(name, 'r')
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print('na het inlezen gelukt') # for debugging
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self.editor()
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with file:
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text = file.read()
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self.textEdit.setText(text)
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def file_save(self):
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name, _ = QFileDialog.getSaveFileName(self,'Save File')
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file = open(name, 'w')
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text = self.textEdit.toPlainText()
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file.write(text)
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file.close()
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##End of code problem
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def color_picker(self):
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color = QColorDialog.getColor()
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self.styleChoice.setStyleSheet('QWidget{background-color: %s}' % color.name())
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def font_choice(self):
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font, valid = QFontDialog.getFont()
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if valid:
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self.styleChoice.setFont(font)
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def home(self):
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btn = QPushButton('quit', self)
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btn.clicked.connect(self.close_application)
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btn.resize(btn.sizeHint())
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btn.move(0, 100)
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checkBox = QCheckBox('Enlarge window', self)
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# checkBox.toggle() # if you want to be checked in in the begin
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checkBox.move(0, 50)
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checkBox.stateChanged.connect(self.enlarge_window)
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self.progress = QProgressBar(self)
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self.progress.setGeometry(200, 80, 250, 20)
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self.btn = QPushButton('download', self)
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self.btn.move(200, 120)
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self.btn.clicked.connect(self.download)
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self.styleChoice = QLabel('Windows', self)
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comboBox = QComboBox(self)
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comboBox.addItem('motif')
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comboBox.addItem('Windows')
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comboBox.addItem('cde')
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comboBox.addItem('Plastique')
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comboBox.addItem('Cleanlooks')
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comboBox.addItem('windowsvista')
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comboBox.move(25, 250)
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self.styleChoice.move(25, 150)
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comboBox.activated[str].connect(self.style_choice)
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color = QColor(0,0,0)
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fontColer = QAction('font bg color', self)
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fontColer.triggered.connect(self.color_picker)
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self.toolBar.addAction(fontColer)
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self.show()
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def style_choice(self, text):
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self.styleChoice.setText(text)
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QApplication.setStyle(QStyleFactory.create(text))
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def download(self):
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self.completed = 0
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while self.completed < 100:
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self.completed += 0.0001
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self.progress.setValue(self.completed)
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def enlarge_window(self, state):
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if state == Qt.Checked:
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self.setGeometry(50, 50, 1000, 600)
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else:
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self.setGeometry(50, 50 , 500, 300)
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def close_application(self):
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choice = QMessageBox.question(self, 'Message',
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"Are you sure to quit?", QMessageBox.Yes |
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QMessageBox.No, QMessageBox.No)
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if choice == QMessageBox.Yes:
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print('quit application')
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sys.exit()
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else:
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pass
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if __name__ == "__main__": # had to add this otherwise app crashed
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def run():
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app = QApplication(sys.argv)
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Gui = window()
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sys.exit(app.exec_())
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run()

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