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Python QBoxLayout.setMargin方法代碼示例

本文整理匯總了Python中PyQt5.QtWidgets.QBoxLayout.setMargin方法的典型用法代碼示例。如果您正苦於以下問題:Python QBoxLayout.setMargin方法的具體用法?Python QBoxLayout.setMargin怎麽用?Python QBoxLayout.setMargin使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在PyQt5.QtWidgets.QBoxLayout的用法示例。


在下文中一共展示了QBoxLayout.setMargin方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: QPageWidget

# 需要導入模塊: from PyQt5.QtWidgets import QBoxLayout [as 別名]
# 或者: from PyQt5.QtWidgets.QBoxLayout import setMargin [as 別名]
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.currentChanged.emit()

    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())
#.........這裏部分代碼省略.........
開發者ID:PisiLinuxRepos,項目名稱:pisilinux-desktop-services,代碼行數:103,代碼來源:qpagewidget.py


注:本文中的PyQt5.QtWidgets.QBoxLayout.setMargin方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。