本文整理汇总了Python中AnyQt.QtWidgets.QLabel.setContentsMargins方法的典型用法代码示例。如果您正苦于以下问题：Python QLabel.setContentsMargins方法的具体用法？Python QLabel.setContentsMargins怎么用？Python QLabel.setContentsMargins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AnyQt.QtWidgets.QLabel的用法示例。
在下文中一共展示了QLabel.setContentsMargins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: PreviewDialog
# 需要导入模块: from AnyQt.QtWidgets import QLabel [as 别名]
# 或者: from AnyQt.QtWidgets.QLabel import setContentsMargins [as 别名]
class PreviewDialog(QDialog):
"""A Dialog for selecting an item from a PreviewItem.
"""
currentIndexChanged = Signal(int)
def __init__(self, parent=None, flags=Qt.WindowFlags(0),
model=None, **kwargs):
QDialog.__init__(self, parent, flags, **kwargs)
self.__setupUi()
if model is not None:
self.setModel(model)
def __setupUi(self):
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
self.setContentsMargins(0, 0, 0, 0)
heading = self.tr("Preview")
heading = "<h3>{0}</h3>".format(heading)
self.__heading = QLabel(heading, self,
objectName="heading")
self.__heading.setContentsMargins(12, 12, 12, 0)
self.__browser = previewbrowser.PreviewBrowser(self)
self.__buttons = QDialogButtonBox(QDialogButtonBox.Open | \
QDialogButtonBox.Cancel,
Qt.Horizontal,)
self.__buttons.button(QDialogButtonBox.Open).setAutoDefault(True)
# Set the Open dialog as disabled until the current index changes
self.__buttons.button(QDialogButtonBox.Open).setEnabled(False)
# The QDialogButtonsWidget messes with the layout if it is
# contained directly in the QDialog. So we create an extra
# layer of indirection.
buttons = QWidget(objectName="button-container")
buttons_l = QVBoxLayout()
buttons_l.setContentsMargins(12, 0, 12, 12)
buttons.setLayout(buttons_l)
buttons_l.addWidget(self.__buttons)
layout.addWidget(self.__heading)
layout.addWidget(self.__browser)
layout.addWidget(buttons)
self.__buttons.accepted.connect(self.accept)
self.__buttons.rejected.connect(self.reject)
self.__browser.currentIndexChanged.connect(
self.__on_currentIndexChanged
)
self.__browser.activated.connect(self.__on_activated)
layout.setSizeConstraint(QVBoxLayout.SetFixedSize)
self.setLayout(layout)
self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
def setItems(self, items):
"""Set the items (a list of strings) for preview/selection.
"""
model = QStringListModel(items)
self.setModel(model)
def setModel(self, model):
"""Set the model for preview/selection.
"""
self.__browser.setModel(model)
def model(self):
"""Return the model.
"""
return self.__browser.model()
def currentIndex(self):
return self.__browser.currentIndex()
def setCurrentIndex(self, index):
"""Set the current selected (shown) index.
"""
self.__browser.setCurrentIndex(index)
def setHeading(self, heading):
"""Set `heading` as the heading string ('<h3>Preview</h3>'
by default).
"""
self.__heading.setText(heading)
def heading(self):
"""Return the heading string.
"""
def __on_currentIndexChanged(self, index):
button = self.__buttons.button(QDialogButtonBox.Open)
button.setEnabled(index >= 0)
self.currentIndexChanged.emit(index)
#.........这里部分代码省略.........