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MW1a.py
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MW1a.py
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from PySide2.QtWidgets import *
from PySide2.QtGui import QMouseEvent, Qt, QKeyEvent
from PySide2.QtCore import QObject, QEvent
from datetime import datetime
from math import sqrt
from random import randint
from ru_to_us import ru_to_us
class MouseWidget_a(QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.setMouseTracking(True)
self.__label = QLabel(self)
self.__label1 = QLabel(self)
layout = QHBoxLayout(self)
layout.addWidget(self.__label)
layout.addWidget(self.__label1)
self.__label.setText('A')
self.__label1.setText('B')
self.setLayout(layout)
self.__label.setFixedSize(200, 40)
self.__label1.setFixedSize(200, 40)
self.resize(500, 400)
self.__moved = False
self.__press_cnt, self.__release_cnt = 0, 0
self.__x, self.__y = 0, 0
self.__t = datetime.now()
self.__t1 = datetime.now()
#1a
# def mouseMoveEvent(self, event: QMouseEvent):
# pos = event.pos()
# x, y = pos.x(), pos.y()
# text = f'(x, y) = ({x}, {y})'
# self.__label.setText(text)
#1b
# def mousePressEvent(self, event: QMouseEvent):
# if event.MouseButtonPress:
# self.__press_cnt += 1
# text = f'{self.__press_cnt}: MousePressed'
# self.__label.setText(text)
#
# def mouseReleaseEvent(self, event:QMouseEvent):
# if event.MouseButtonRelease:
# self.__release_cnt += 1
# text = f'{self.__release_cnt}: MouseReleased'
# self.__label1.setText(text)
# 1c
# def mousePressEvent(self, event: QMouseEvent):
# if event.button() == Qt.RightButton:
# text = f'Right button pressed'
# self.__label.setText(text)
# if event.button() == Qt.LeftButton:
# text = f'Left button pressed'
# self.__label.setText(text)
# 1d
# def mousePressEvent(self, event: QMouseEvent):
# if event.button() == Qt.LeftButton:
# self.setCursor(Qt.WaitCursor)
#
# def mouseReleaseEvent(self, event: QMouseEvent):
# self.setCursor(Qt.ArrowCursor)
# 1e
# def mouseMoveEvent(self, event: QMouseEvent):
# if self.__moved:
# x = event.globalX() - self.__x
# y = event.globalY() - self.__y
# self.move(x, y)
#
#
# def mousePressEvent(self, event: QMouseEvent):
# if event.button() == Qt.LeftButton:
# self.setCursor(Qt.ClosedHandCursor)
# self.__moved = True
# self.__x = event.pos().x()
# self.__y = event.pos().y()
#
# def mouseReleaseEvent(self, event: QMouseEvent):
# if event.MouseButtonRelease:
# self.setCursor(Qt.ArrowCursor)
# self.__moved = False
# 1f
# def __f(self, event):
# t = self.pos().x() < event.globalX() < self.pos().x()+self.size().width()
# t = t or self.pos().y() < event.globalY() < self.pos().x()+self.size().height()
# return t
#
# def mouseMoveEvent(self, event: QMouseEvent):
# if self.__f(event):
# x, y = event.globalX()+randint(-150, 150), event.globalY()+randint(-150, 150)
# self.move(x, y)
# self.repaint()
# 1g
# def mousePressEvent(self, event: QMouseEvent):
# self.__t = datetime.now()
#
# def mouseReleaseEvent(self, event:QMouseEvent):
# self.__t1 = datetime.now()
# dt = (self.__t1 - self.__t).microseconds
# self.__label.setText(str(dt))
# 2a
# def mouseMoveEvent(self, event: QMouseEvent):
# t = datetime.now()
# dt = (t - self.__t).microseconds
# dx = (event.x() - self.__x)/dt
# dy = (event.y() - self.__y)/dt
# self.__x, self.y, self.__t = event.x(), event.y(), t
# v = (10**6)*sqrt(dx**2+dy**2)
#
# self.__label.setText(str(v))
# 2b
# def keyReleaseEvent(self, event: QKeyEvent):
# t = datetime.now()
# dt = (t - self.__t1).microseconds/1000
# self.__label.setText(str(dt))
# 3
class FilterWidget(QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.__lineEdit = QLineEdit(self)
self.__lineEdit.installEventFilter(self)
def eventFilter(self, target: QObject, event: QEvent):
if event.type() == QEvent.KeyPress:
if target is self.__lineEdit:
if event.key() in ru_to_us:
key = ru_to_us[event.key()]
self.__lineEdit.setText(self.__lineEdit.text()+chr(key))
return True
self.__lineEdit.keyPressEvent(event)
return True
return super().eventFilter(target,event)