本文整理汇总了Python中PyQt4.QtCore.QTimeLine.setUpdateInterval方法的典型用法代码示例。如果您正苦于以下问题：Python QTimeLine.setUpdateInterval方法的具体用法？Python QTimeLine.setUpdateInterval怎么用？Python QTimeLine.setUpdateInterval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类PyQt4.QtCore.QTimeLine的用法示例。
在下文中一共展示了QTimeLine.setUpdateInterval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: QPageWidget
# 需要导入模块: from PyQt4.QtCore import QTimeLine [as 别名]
# 或者: from PyQt4.QtCore.QTimeLine import setUpdateInterval [as 别名]
class QPageWidget(QScrollArea):
""" The QPageWidget provides a stack widget with animated page transitions. """
def __init__(self, parent = None, direction = "ltr", rtf = False):
""" Creates a new QPageWidget on given parent object.
parent: QWidget parent
direction: "ltr" -> Left To Right
"ttb" -> Top To Bottom
rtf: Return to first, if its True it flips to the first page
when next page requested at the last page
"""
# First initialize, QPageWidget is based on QScrollArea
QScrollArea.__init__(self, parent)
# Properties for QScrollArea
self.setFrameShape(QFrame.NoFrame)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setWidgetResizable(True)
# Main widget, which stores all Pages in it
self.widget = QWidget(self)
# Layout based on QBoxLayout which supports Vertical or Horizontal layout
if direction == "ltr":
self.layout = QBoxLayout(QBoxLayout.LeftToRight, self.widget)
self.__scrollBar = self.horizontalScrollBar()
self.__base_value = self.width
else:
self.layout = QBoxLayout(QBoxLayout.TopToBottom, self.widget)
self.__scrollBar = self.verticalScrollBar()
self.__base_value = self.height
self.layout.setSpacing(0)
self.layout.setMargin(0)
# Return to first
self.__return_to_first = rtf
# TMP_PAGE, its using as last page in stack
# A workaround for a QScrollArea bug
self.__tmp_page = Page(QWidget(self.widget))
self.__pages = [self.__tmp_page]
self.__current = 0
self.__last = 0
# Set main widget
self.setWidget(self.widget)
# Animation TimeLine
self.__timeline = QTimeLine()
self.__timeline.setUpdateInterval(2)
# Updates scrollbar position when frame changed
self.__timeline.frameChanged.connect(lambda x: self.__scrollBar.setValue(x))
# End of the animation
self.__timeline.finished.connect(self._animateFinished)
# Initialize animation
self.setAnimation()
self.setDuration()
def _animateFinished(self):
""" Its called by TimeLine when animation finished.
It first runs the outMethod of last Page and then the inMethod of current Page
Finally tt gives the focus to the current page and fixes the scrollBar
"""
# Disable other widgets
for page in self.__pages:
if not page == self.__pages[self.__current]:
page.widget.setEnabled(False)
# Run last page's outMethod if exists
if self.__pages[self.__last].outMethod:
self.__pages[self.__last].outMethod()
# Run new page's inMethod if exists
if self.__pages[self.__current].inMethod:
self.__pages[self.__current].inMethod()
# Give focus to the current Page
self.__pages[self.__current].widget.setFocus()
# Update scrollbar position for current page
self.__scrollBar.setValue(self.__current * self.__base_value())
# Emit currentChanged SIGNAL
self.emit(SIGNAL("currentChanged()"))
def event(self, event):
""" Overrides the main event handler to catch resize events """
# Catch Resize event
if event.type() == QEvent.Resize:
# Update each page size limits to mainwidget's new size
for page in self.__pages:
page.widget.setMinimumSize(self.size())
page.widget.setMaximumSize(self.size())
#.........这里部分代码省略.........