我正在通过继承QMainWindow
并覆盖keyPressEvent
和keyReleaseEvent
功能来处理多次按键,然后在按键是否按下的情况下更新字典...
def keyPressEvent(self,event):
self.pressedKeys[event.key()] = True
def keyReleaseEvent(self,event):
self.pressedKeys[event.key()] = False
...,pressedKeysArray
为:
pressedKeys = {Qt.Key_Left: False,
Qt.Key_Right: False,
Qt.Key_Down: False,
Qt.Key_Up: False}
但是,我希望能够获得两次右箭头单击,例如彼此之间相隔100或200毫秒。我将扩展pressedKeys
词典,使其包含可以设置为True
或False
的双击键,但是我不知道如何快速连续按下两次该键。
到目前为止是我的代码:
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
import sys
class MainWindow(QMainWindow):
pressedKeys = {Qt.Key_Left: False,
Qt.Key_Right: False,
Qt.Key_Down: False,
Qt.Key_Up: False}
def __init__(self,parent=None,*args,**kwargs):
QMainWindow.__init__(self,parent,*args,**kwargs)
self.parent = parent
self.timer = QTimer()
self.timer.timeout.connect(self.keyAction)
self.timer.start(50)
self.show()
def keyPressEvent(self,event):
self.pressedKeys[event.key()] = True
def keyReleaseEvent(self,event):
self.pressedKeys[event.key()] = False
def keyAction(self):
if self.pressedKeys[Qt.Key_Left] and self.pressedKeys[Qt.Key_Down]: print("rolling left")
elif self.pressedKeys[Qt.Key_Right] and self.pressedKeys[Qt.Key_Down]: print("rolling right")
elif self.pressedKeys[Qt.Key_Left]: print("running left")
elif self.pressedKeys[Qt.Key_Right]: print("running right")
elif self.pressedKeys[Qt.Key_Down]: print("crouching") #return here to block effect of 'up' key being pressed
if self.pressedKeys[Qt.Key_Up]: print("jumping")
def exceptHook(exectype,value,traceback):
sys.__excepthook__(exectype,value,traceback)
if __name__ == "__main__":
sys.excepthook = exceptHook
app = QApplication(sys.argv)
mainWindow = MainWindow()
app.quit()
class MainWindow(QMainWindow):
pressedKeys = {Qt.Key_Left: False, Qt.Key_Right: False,
Qt.Key_Down: False, Qt.Key_Up: False}
def __init__(self,parent=None,*args,**kwargs):
QMainWindow.__init__(self,parent,*args,**kwargs)
self.parent = parent
self.last_pressed = None
self.timer = QTimer()
self.timer.setSingleShot(True)
self.timer.timeout.connect(self.clear_pressed)
self.show()
def clear_pressed(self):
self.last_pressed = None
def keyPressEvent(self,event):
self.pressedKeys[event.key()] = True
if self.timer.isActive():
if self.last_pressed == event.key():
print('Double')
self.timer.stop()
else:
self.last_pressed = event.key()
self.timer.start(200)
self.keyAction()
def keyReleaseEvent(self,event):
self.pressedKeys[event.key()] = False
self.keyAction()