By Moky

Updated:

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把下面代码加到你自定义的Widget里面即可:

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class MyWidget(QtGui.QWidget):
    def __init__(self)
        self._visible = False
        self._fadeInAniFinished = True
        self._fadeOutAniFinished = True
        self._fadeInAni = None
        self._fadeOutAni = None
        self._initAni()
 
    def _initAni(self):
        """
        初始化动画效果
        :return:
        """
        self._fadeInAni = QtCore.QPropertyAnimation(self, "windowOpacity")
        self._fadeInAni.setDuration(100)
        self._fadeInAni.setStartValue(0)
        self._fadeInAni.setEndValue(1)
        self._fadeInAni.finished.connect(self._setFadeInAniFinished)
 
        self._fadeOutAni = QtCore.QPropertyAnimation(self, "windowOpacity")
        self._fadeOutAni.setDuration(150)
        self._fadeOutAni.setStartValue(1)
        self._fadeOutAni.setEndValue(0)
        self._fadeOutAni.finished.connect(self._setFadeOutAniFinished)
 
    def setVisible(self, bool_visible):
        """
        设置是否可见
        :param bool_visible:
        :return:
        """
        self._visible = bool_visible
        if bool_visible:
            if not self._fadeOutAniFinished:
                self._fadeOutAni.stop()
                self._setFadeOutAniFinished()
            if not self._fadeInAniFinished:
                return
            self._fadeInAniFinished = False
            super(TipsWindow, self).setVisible(True)
            self._fadeInAni.start()
        else:
            if not self._fadeInAniFinished:
                self._fadeInAni.stop()
                self._setFadeInAniFinished()
            if not self._fadeOutAniFinished:
                return
            self._fadeOutAniFinished = False
            self._fadeOutAni.start()
 
    def isVisible(self):
        """
        是否可见
        :return:
        """
        return self._visible
 
    def _setFadeInAniFinished(self):
        """
        淡入动画结束
        :return:
        """
        self._fadeInAniFinished = True
 
    def _setFadeOutAniFinished(self):
        """
        淡出动画结束
        :return:
        """
        super(TipsWindow, self).setVisible(False)
        self._fadeOutAniFinished = True
淡出淡入动画
PyQt
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