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Python QPropertyAnimation.setKeyValues方法代码示例

本文整理汇总了Python中PyQt4.QtCore.QPropertyAnimation.setKeyValues方法的典型用法代码示例。如果您正苦于以下问题:Python QPropertyAnimation.setKeyValues方法的具体用法?Python QPropertyAnimation.setKeyValues怎么用?Python QPropertyAnimation.setKeyValues使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PyQt4.QtCore.QPropertyAnimation的用法示例。


在下文中一共展示了QPropertyAnimation.setKeyValues方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: NodeBodyItem

# 需要导入模块: from PyQt4.QtCore import QPropertyAnimation [as 别名]
# 或者: from PyQt4.QtCore.QPropertyAnimation import setKeyValues [as 别名]
class NodeBodyItem(GraphicsPathObject):
    """
    The central part (body) of the `NodeItem`.
    """
    def __init__(self, parent=None):
        GraphicsPathObject.__init__(self, parent)
        assert(isinstance(parent, NodeItem))

        self.__processingState = 0
        self.__progress = -1
        self.__animationEnabled = False
        self.__isSelected = False
        self.__hasFocus = False
        self.__hover = False
        self.__shapeRect = QRectF(-10, -10, 20, 20)

        self.setAcceptHoverEvents(True)

        self.setFlag(QGraphicsItem.ItemSendsScenePositionChanges, True)
        self.setFlag(QGraphicsItem.ItemSendsGeometryChanges, True)

        self.setPen(QPen(Qt.NoPen))

        self.setPalette(default_palette())

        self.shadow = QGraphicsDropShadowEffect(
            blurRadius=3,
            color=QColor(SHADOW_COLOR),
            offset=QPointF(0, 0),
            )

        self.setGraphicsEffect(self.shadow)
        self.shadow.setEnabled(True)

        self.__blurAnimation = QPropertyAnimation(self.shadow, "blurRadius",
                                                  self)
        self.__blurAnimation.setDuration(100)
        self.__blurAnimation.finished.connect(self.__on_finished)

        self.__pingAnimation = QPropertyAnimation(self, "scale", self)
        self.__pingAnimation.setDuration(250)
        self.__pingAnimation.setKeyValues([(0.0, 1.0), (0.5, 1.1), (1.0, 1.0)])

    # TODO: The body item should allow the setting of arbitrary painter
    # paths (for instance rounded rect, ...)
    def setShapeRect(self, rect):
        """
        Set the item's shape `rect`. The item should be confined within
        this rect.

        """
        path = QPainterPath()
        path.addEllipse(rect)
        self.setPath(path)
        self.__shapeRect = rect

    def setPalette(self, palette):
        """
        Set the body color palette (:class:`QPalette`).
        """
        self.palette = palette
        self.__updateBrush()

    def setAnimationEnabled(self, enabled):
        """
        Set the node animation enabled.
        """
        if self.__animationEnabled != enabled:
            self.__animationEnabled = enabled

    def setProcessingState(self, state):
        """
        Set the processing state of the node.
        """
        if self.__processingState != state:
            self.__processingState = state
            if not state and self.__animationEnabled:
                self.ping()

    def setProgress(self, progress):
        """
        Set the progress indicator state of the node. `progress` should
        be a number between 0 and 100.

        """
        self.__progress = progress
        self.update()

    def ping(self):
        """
        Trigger a 'ping' animation.
        """
        animation_restart(self.__pingAnimation)

    def hoverEnterEvent(self, event):
        self.__hover = True
        self.__updateShadowState()
        return GraphicsPathObject.hoverEnterEvent(self, event)

    def hoverLeaveEvent(self, event):
#.........这里部分代码省略.........
开发者ID:pauloortins,项目名称:Computer-Vision-Classes---UFBA,代码行数:103,代码来源:nodeitem.py


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