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#! /usr/bin/env python3
# -*- coding:utf-8 -*-
###############################################################
# kenwaldek MIT-license
# Title: PyQt5 lesson 14 Version: 1.0
# Date: 09-01-17 Language: python3
# Description: pyqt5 gui and opening files
# pythonprogramming.net from PyQt4 to PyQt5
###############################################################
# do something
import sys
from PyQt5.QtCore import QCoreApplication, Qt
from PyQt5.QtGui import QIcon, QColor
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow, QPushButton, QAction, QMessageBox
from PyQt5.QtWidgets import QCalendarWidget, QFontDialog, QColorDialog, QTextEdit, QFileDialog
from PyQt5.QtWidgets import QCheckBox, QProgressBar, QComboBox, QLabel, QStyleFactory, QLineEdit, QInputDialog
class window(QMainWindow):
def __init__(self):
super(window, self).__init__()
self.setGeometry(50, 50, 800, 500)
self.setWindowTitle('pyqt5 Tut')
self.setWindowIcon(QIcon('pic.png'))
extractAction = QAction('&Get to the choppah', self)
extractAction.setShortcut('Ctrl+Q')
extractAction.setStatusTip('leave the app')
extractAction.triggered.connect(self.close_application)
openEditor = QAction('&Editor', self)
openEditor.setShortcut('Ctrl+E')
openEditor.setStatusTip('Open Editor')
openEditor.triggered.connect(self.editor)
openFile = QAction('&Open File', self)
openFile.setShortcut('Ctrl+O')
openFile.setStatusTip('Open File')
openFile.triggered.connect(self.file_open)
self.statusBar()
mainMenu = self.menuBar()
fileMenu = mainMenu.addMenu('&File')
fileMenu.addAction(extractAction)
fileMenu.addAction(openFile)
editorMenu = mainMenu.addMenu('&Editor')
editorMenu.addAction(openEditor)
extractAction = QAction(QIcon('pic.png'), 'flee the scene', self)
extractAction.triggered.connect(self.close_application)
self.toolBar = self.addToolBar('extraction')
self.toolBar.addAction(extractAction)
fontChoice = QAction('Font', self)
fontChoice.triggered.connect(self.font_choice)
# self.toolBar = self.addToolBar('Font')
self.toolBar.addAction(fontChoice)
cal = QCalendarWidget(self)
cal.move(500, 200)
cal.resize(200, 200)
self.home()
def editor(self):
self.textEdit = QTextEdit()
self.setCentralWidget(self.textEdit)
def file_open(self):
# need to make name an tupple otherwise i had an error and app crashed
name, _ = QFileDialog.getOpenFileName(self, 'Open File', options=QFileDialog.DontUseNativeDialog)
print('tot na dialog gelukt')
file = open(name, 'r')
print('na het inlezen gelukt')
self.editor()
with file:
text = file.read()
self.textEdit.setText(text)
##End of code problem
def color_picker(self):
color = QColorDialog.getColor()
self.styleChoice.setStyleSheet('QWidget{background-color: %s}' % color.name())
def font_choice(self):
font, valid = QFontDialog.getFont()
if valid:
self.styleChoice.setFont(font)
def home(self):
btn = QPushButton('quit', self)
btn.clicked.connect(self.close_application)
btn.resize(btn.sizeHint())
btn.move(0, 100)
checkBox = QCheckBox('Enlarge window', self)
# checkBox.toggle() # if you want to be checked in in the begin
checkBox.move(0, 50)
checkBox.stateChanged.connect(self.enlarge_window)
self.progress = QProgressBar(self)
self.progress.setGeometry(200, 80, 250, 20)
self.btn = QPushButton('download', self)
self.btn.move(200, 120)
self.btn.clicked.connect(self.download)
self.styleChoice = QLabel('Windows', self)
comboBox = QComboBox(self)
comboBox.addItem('motif')
comboBox.addItem('Windows')
comboBox.addItem('cde')
comboBox.addItem('Plastique')
comboBox.addItem('Cleanlooks')
comboBox.addItem('windowsvista')
comboBox.move(25, 250)
self.styleChoice.move(25, 150)
comboBox.activated[str].connect(self.style_choice)
color = QColor(0,0,0)
fontColer = QAction('font bg color', self)
fontColer.triggered.connect(self.color_picker)
self.toolBar.addAction(fontColer)
self.show()
def style_choice(self, text):
self.styleChoice.setText(text)
QApplication.setStyle(QStyleFactory.create(text))
def download(self):
self.completed = 0
while self.completed < 100:
self.completed += 0.0001
self.progress.setValue(self.completed)
def enlarge_window(self, state):
if state == Qt.Checked:
self.setGeometry(50, 50, 1000, 600)
else:
self.setGeometry(50, 50 , 500, 300)
def close_application(self):
choice = QMessageBox.question(self, 'Message',
"Are you sure to quit?", QMessageBox.Yes |
QMessageBox.No, QMessageBox.No)
if choice == QMessageBox.Yes:
print('quit application')
sys.exit()
else:
pass
if __name__ == "__main__": # had to add this otherwise app crashed
def run():
app = QApplication(sys.argv)
Gui = window()
sys.exit(app.exec_())
run()