Python QLabel.setOpenExternalLinks方法代码示例

# 需要导入模块: from AnyQt.QtWidgets import QLabel [as 别名]
# 或者: from AnyQt.QtWidgets.QLabel import setOpenExternalLinks [as 别名]
    def setupUi(self):
        self.setLayout(QVBoxLayout())
        self.layout().setContentsMargins(0, 0, 0, 0)
        self.layout().setSpacing(0)

        self.__mainLayout = QVBoxLayout()
        self.__mainLayout.setContentsMargins(0, 40, 0, 40)
        self.__mainLayout.setSpacing(65)

        self.layout().addLayout(self.__mainLayout)

        self.setStyleSheet(WELCOME_WIDGET_BUTTON_STYLE)

        bottom_bar = QWidget(objectName="bottom-bar")
        bottom_bar_layout = QHBoxLayout()
        bottom_bar_layout.setContentsMargins(20, 10, 20, 10)
        bottom_bar.setLayout(bottom_bar_layout)
        bottom_bar.setSizePolicy(QSizePolicy.MinimumExpanding,
                                 QSizePolicy.Maximum)

        check = QCheckBox(self.tr("Show at startup"), bottom_bar)
        check.setChecked(False)

        self.__showAtStartupCheck = check

        feedback = QLabel(
            '<a href="http://orange.biolab.si/survey/long.html">Help us improve!</a>')
        feedback.setTextInteractionFlags(Qt.TextBrowserInteraction)
        feedback.setOpenExternalLinks(True)

        bottom_bar_layout.addWidget(check, alignment=Qt.AlignVCenter | \
                                    Qt.AlignLeft)
        bottom_bar_layout.addWidget(feedback, alignment=Qt.AlignVCenter | \
                                    Qt.AlignRight)

        self.layout().addWidget(bottom_bar, alignment=Qt.AlignBottom,
                                stretch=1)

        self.setSizeGripEnabled(False)
        self.setFixedSize(620, 390)

# 需要导入模块: from AnyQt.QtWidgets import QLabel [as 别名]
# 或者: from AnyQt.QtWidgets.QLabel import setOpenExternalLinks [as 别名]
class MessagesWidget(QWidget):
    """
    An iconified multiple message display area.

    `MessagesWidget` displays a short message along with an icon. If there
    are multiple messages they are summarized. The user can click on the
    widget to display the full message text in a popup view.
    """
    #: Signal emitted when an embedded html link is clicked
    #: (if `openExternalLinks` is `False`).
    linkActivated = Signal(str)

    #: Signal emitted when an embedded html link is hovered.
    linkHovered = Signal(str)

    Severity = Severity
    #: General informative message.
    Information = Severity.Information
    #: A warning message severity.
    Warning = Severity.Warning
    #: An error message severity.
    Error = Severity.Error

    Message = Message

    def __init__(self, parent=None, openExternalLinks=False,
                 defaultStyleSheet="", **kwargs):
        kwargs.setdefault(
            "sizePolicy",
            QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
        )
        super().__init__(parent, **kwargs)
        self.__openExternalLinks = openExternalLinks  # type: bool
        self.__messages = OrderedDict()  # type: Dict[Hashable, Message]
        #: The full (joined all messages text - rendered as html), displayed
        #: in a tooltip.
        self.__fulltext = ""
        #: The full text displayed in a popup. Is empty if the message is
        #: short
        self.__popuptext = ""
        #: Leading icon
        self.__iconwidget = IconWidget(
            sizePolicy=QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        )
        #: Inline  message text
        self.__textlabel = QLabel(
            wordWrap=False,
            textInteractionFlags=Qt.LinksAccessibleByMouse,
            openExternalLinks=self.__openExternalLinks,
            sizePolicy=QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Minimum)
        )
        #: Indicator that extended contents are accessible with a click on the
        #: widget.
        self.__popupicon = QLabel(
            sizePolicy=QSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum),
            text="\N{VERTICAL ELLIPSIS}",
            visible=False,
        )
        self.__textlabel.linkActivated.connect(self.linkActivated)
        self.__textlabel.linkHovered.connect(self.linkHovered)
        self.setLayout(QHBoxLayout())
        self.layout().setContentsMargins(2, 1, 2, 1)
        self.layout().setSpacing(0)
        self.layout().addWidget(self.__iconwidget)
        self.layout().addSpacing(4)
        self.layout().addWidget(self.__textlabel)
        self.layout().addWidget(self.__popupicon)
        self.__textlabel.setAttribute(Qt.WA_MacSmallSize)
        self.__defaultStyleSheet = defaultStyleSheet

    def sizeHint(self):
        sh = super().sizeHint()
        h = self.style().pixelMetric(QStyle.PM_SmallIconSize)
        if all(m.isEmpty() for m in self.messages()):
            sh.setWidth(0)
        return sh.expandedTo(QSize(0, h + 2))

    def minimumSizeHint(self):
        msh = super().minimumSizeHint()
        h = self.style().pixelMetric(QStyle.PM_SmallIconSize)
        if all(m.isEmpty() for m in self.messages()):
            msh.setWidth(0)
        else:
            msh.setWidth(h + 2)
        return msh.expandedTo(QSize(0, h + 2))

    def setOpenExternalLinks(self, state):
        # type: (bool) -> None
        """
        If `True` then `linkActivated` signal will be emitted when the user
        clicks on an html link in a message, otherwise links are opened
        using `QDesktopServices.openUrl`
        """
        # TODO: update popup if open
        self.__openExternalLinks = state
        self.__textlabel.setOpenExternalLinks(state)

    def openExternalLinks(self):
        # type: () -> bool
        """
#.........这里部分代码省略.........