Python-сообщество

#!/usr/bin/python3
import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from time import time
text = ''
for i in range(10000):
        text += 'text' + str(i)+' '
if __name__=="__main__":
        def on_clicked():
                text_browser.setFocus()
                text_browser.ensureCursorVisible()
        app = QApplication(sys.argv)
        start_time = time()
        window = QWidget()
        window.setWindowTitle("Класс QTextEdit")
        text_browser = QTextEdit()
        text_browser.setHtml(text)
        cursor = text_browser.textCursor()
        cursor.setPosition(2000)
        print('text:',text_browser.toPlainText()[2000:2010])
        text_browser.setTextCursor(cursor)
        text_browser.setFocus()
        text_browser.ensureCursorVisible()
        button = QPushButton("Показать позицию с курсором")
        button.clicked.connect(on_clicked)
        box = QVBoxLayout()
        box.addWidget(text_browser)
        box.addWidget(button)
        window.setLayout(box)
        window.showMaximized()
        end_time = time()
        print('Завершено за %s с.' % (str(end_time - start_time)))
        sys.exit(app.exec_())

#!/usr/bin/python3
import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from time import time
html_code = ''
for i in range(10000):
		html_code += 'text' + str(i)+' '
class createGUI(QTextEdit):
	def __init__(self):
		QTextEdit.__init__(self)
		self.setHtml(html_code)
	def update_cursor(self):
		cursor = self.textCursor()
		# text263
		cursor.setPosition(2000)
		self.setTextCursor(cursor)
		self.setFocus()
		self.ensureCursorVisible()
if __name__=="__main__":
		app = QApplication(sys.argv)
		start_time = time()
		widget = createGUI()
		widget.showMaximized()
		widget.update_cursor()
		end_time = time()
		print('Finished in %s s.' % (str(end_time - start_time)))
		sys.exit(app.exec_())

self.text_browser.setSizePolicy(QSizePolicy.Maximum,QSizePolicy.Maximum)

#!/usr/bin/python3
import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from time import time
html_code = ''
for i in range(10000):
	html_code += 'text' + str(i) + ' '
class myWindow(QMainWindow):
	def __init__(self):
		QMainWindow.__init__(self)
		self.setWindowTitle("Класс QTextEdit")
		self.layout = QVBoxLayout()
		self.text_browser = QTextEdit(self)
		self.text_browser.setHtml(html_code)
		self.layout.addWidget(self.text_browser)
		self.setLayout(self.layout)
if __name__=="__main__":
	app = QApplication(sys.argv)
	start_time = time()
	window = myWindow()
	window.showMaximized()
	end_time = time()
	print('Finished in %s s.' % (str(end_time - start_time)))
	sys.exit(app.exec_())

import sys
from PySide import QtCore, QtGui
from time import time
html_code = "text"*100
class myWindow(QtGui.QMainWindow):
	def __init__(self):
		QtGui.QMainWindow.__init__(self)
		self.setWindowTitle("Класс QTextEdit")
		self.centralwidget = QtGui.QWidget(self)
		layout = QtGui.QVBoxLayout(self.centralwidget)
		self.text_browser = QtGui.QTextEdit(self)
		self.text_browser.setHtml(html_code)
		layout.addWidget(self.text_browser)
		self.setCentralWidget(self.centralwidget)
if __name__=="__main__":
	app = QtGui.QApplication(sys.argv)
	start_time = time()
	window = myWindow()
	window.showMaximized()
	end_time = time()
	print('Finished in %s s.' % (str(end_time - start_time)))
	sys.exit(app.exec_())

#!/usr/bin/python3
import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from time import time
html_code = ''
for i in range(10000):
	html_code += 'text' + str(i) + ' '
class myWindow(QMainWindow):
	def __init__(self):
		QMainWindow.__init__(self)
		self.setWindowTitle("Класс QTextEdit")
		self.centralwidget = QWidget(self)
		self.layout = QVBoxLayout(self.centralwidget)
		self.text_browser = QTextEdit(self)
		self.text_browser.setHtml(html_code)
		self.layout.addWidget(self.text_browser)
		self.setCentralWidget(self.centralwidget)
	def update_cursor(self):
		cursor = self.text_browser.textCursor()
		# text263
		cursor.setPosition(2000)
		self.text_browser.setTextCursor(cursor)
		self.text_browser.ensureCursorVisible()
if __name__=="__main__":
	app = QApplication(sys.argv)
	start_time = time()
	window = myWindow()
	window.setWindowTitle("Класс QTextEdit")
	window.showMaximized()
	window.update_cursor()
	end_time = time()
	print('Finished in %s s.' % (str(end_time - start_time)))
	sys.exit(app.exec_())

html_code = "".join(['text%i<br>'%x for x in range(10000)])