PyQt5 Events

alekssandrap

Please can someone help me, I want to trigger the handleEvents() function?

import sys
import types
from types import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
 
import PyQt5.QtCore as core
import PyQt5.QtGui as gui
import PyQt5.QtWidgets as widgets
import PyQt5.uic as uic
 
 
 
 
import mainwindow_auto
 
class MainWindow(QMainWindow, mainwindow_auto.Ui_MainWindow):
   def __init__(self):
       super(self.__class__, self).__init__()
       self.setupUi(self)
       self.setGeometry(150, 150, 1280, 600)
       self.setWindowFlags(Qt.FramelessWindowHint)
 
       self.img = gui.QImage("test.png")
       self.painter = gui.QPainter()
       self.transformHistory = gui.QTransform()
       self.transformTotal = gui.QTransform()
       self.startPoint = core.QPoint()
       self.widget = QWidget()
 
       self.widget.grabGesture(core.Qt.PinchGesture)
       self.widget.grabGesture(core.Qt.TapGesture)
       # self.widget.event = types.MethodType(self.handleEvents, self.widget)
 
 
   def handleEvents(self, event):
       print("v")
       global transformHistory, transformTotal, startPoint
       if event.type() == core.QEvent.Gesture:
           print("dddd")
           g = event.gesture(core.Qt.PinchGesture)
           if g != None:
               upperLeft = self.mapToGlobal(core.QPoint())
               scale = g.totalScaleFactor()
               centerPoint = g.centerPoint() - upperLeft
               if g.state() == core.Qt.GestureStarted:
                   startPoint = g.centerPoint() - upperLeft
               transformTotal = transformHistory * gui.QTransform().scale(scale, scale)
               if g.state() == core.Qt.GestureFinished:
                   transformHistory = transformTotal
               self.update()
           else:
               g = event.gesture(core.Qt.TapGesture)
               if g.state() == core.Qt.GestureFinished:
                   print("tap ", g.position())
                   transformTotal = gui.QTransform()
                   transformHistory = gui.QTransform()
                   self.update()
       elif event.type() == core.QEvent.Paint:
           painter = QPainter()
           painter.begin(self)
           painter.setTransform(transformTotal)
           painter.drawImage(0, 0, self.img)
           painter.end()
       return True
 
 
   def keyPressEvent(self, e):
       print("b")
       if e.key() == Qt.Key_Escape:
           self.close()
 
 
 
if __name__ == '__main__':
   global form
   app = widgets.QApplication(sys.argv)
   form = MainWindow()
   print("a")
   form.show()
   sys.exit(app.exec_())