2
考虑下面的最小例子。它完美,直到我去掉下面几行:mpylayer,PyQt4和lineEdit
# self.mainwi = QtGui.QWidget(self)
# self.lineEdit1 = QtGui.QLineEdit(self.mainwi)
# self.setCentralWidget(self.lineEdit1)
如果这些线是未加注释,我可以写在LineEdit场的文本,但按钮没有反应。任何想法它有什么问题,如何解决这个问题?
我应该补充一点,我是编程python的绝对初学者。
#!/usr/bin/python
import mpylayer
import sys
from PyQt4 import QtCore
from PyQt4 import QtGui
class DmplayerGUI(QtGui.QMainWindow):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.dirty = False
self.mp = mpylayer.MPlayerControl()
#Toolbar
## items
### Play
self.play = QtGui.QAction(QtGui.QIcon('icons/play_32.png'), 'Play', self)
self.play.setShortcut('Ctrl+A')
self.connect(self.play, QtCore.SIGNAL('triggered()'), self.DPlay)
### Pause
self.pause = QtGui.QAction(QtGui.QIcon('icons/pause_32.png'), 'Pause', self)
self.pause.setShortcut('Ctrl+P')
self.connect(self.pause, QtCore.SIGNAL('triggered()'), self.DPause)
## toolbar
self.toolbar = self.addToolBar('Toolbar')
self.toolbar.addAction(self.play)
self.toolbar.addAction(self.pause)
# self.mainwi = QtGui.QWidget(self)
# self.lineEdit1 = QtGui.QLineEdit(self.mainwi)
# self.setCentralWidget(self.lineEdit1)
# play
def DPlay(self):
self.mp.loadfile('video.mp4')
# pause
def DPause(self):
self.mp.pause(self)
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
dp = DmplayerGUI()
dp.show()
sys.exit(app.exec_())
你为什么不把自己的'self.mainwi'设置为你的中央控件? –
@ dex19dt我认为这是一个绝对的初学者错误:-) – student