Python QVBoxLayout.setContentsMargins方法代码示例

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __setupUi(self):
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)

        view = QTreeView(objectName="tool-tree-view")
        view.setUniformRowHeights(True)
        view.setFrameStyle(QTreeView.NoFrame)
        view.setModel(self.__model)
        view.setRootIsDecorated(False)
        view.setHeaderHidden(True)
        view.setItemsExpandable(True)
        view.setEditTriggers(QTreeView.NoEditTriggers)
        view.setItemDelegate(ToolTreeItemDelegate(self))

        view.activated.connect(self.__onActivated)
        view.clicked.connect(self.__onActivated)
        view.entered.connect(self.__onEntered)

        view.installEventFilter(self)

        self.__view = view

        layout.addWidget(view)

        self.setLayout(layout)

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

        self.toolbox = WidgetToolBox()

        self.help = QuickHelpWidget(objectName="quick-help")

        self.__splitter = QSplitter()
        self.__splitter.setOrientation(Qt.Vertical)

        self.__splitter.addWidget(self.toolbox)
        self.__splitter.addWidget(self.help)

        self.toolbar = DynamicResizeToolBar()
        self.toolbar.setMovable(False)
        self.toolbar.setFloatable(False)

        self.toolbar.setSizePolicy(QSizePolicy.Ignored,
                                   QSizePolicy.Preferred)

        layout.addWidget(self.__splitter, 10)
        layout.addWidget(self.toolbar)

        self.setLayout(layout)
        self.__splitterResizer = SplitterResizer(self)
        self.__splitterResizer.setSplitterAndWidget(self.__splitter, self.help)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, parent=None, **kwargs):
        super().__init__(parent, **kwargs)
        self.setWindowFlags(self.windowFlags() | Qt.Popup)

        layout = QVBoxLayout()
        layout.setContentsMargins(6, 6, 6, 6)

        self.__menu = MenuPage()
        self.__menu.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)

        if sys.platform == "darwin":
            self.__menu.view().setAttribute(Qt.WA_MacShowFocusRect, False)

        self.__menu.triggered.connect(self.__onTriggered)
        self.__menu.hovered.connect(self.hovered)

        self.__dragListener = ItemViewDragStartEventListener(self)
        self.__dragListener.dragStarted.connect(self.__onDragStarted)

        self.__menu.view().viewport().installEventFilter(self.__dragListener)

        layout.addWidget(self.__menu)

        self.setLayout(layout)

        self.__action = None
        self.__loop = None
        self.__item = None

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, parent):
        QFrame.__init__(self, parent)
        self.setContentsMargins(0, 0, 0, 0)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(1)
        self._setNameLineEdit = QLineEdit(self)
        layout.addWidget(self._setNameLineEdit)

        self._setListView = QListView(self)
        self._listModel = QStandardItemModel(self)
        self._proxyModel = QSortFilterProxyModel(self)
        self._proxyModel.setSourceModel(self._listModel)

        self._setListView.setModel(self._proxyModel)
        self._setListView.setItemDelegate(ListItemDelegate(self))

        self._setNameLineEdit.textChanged.connect(
            self._proxyModel.setFilterFixedString)

        self._completer = QCompleter(self._listModel, self)

        self._setNameLineEdit.setCompleter(self._completer)

        self._listModel.itemChanged.connect(self._onSetNameChange)
        layout.addWidget(self._setListView)
        buttonLayout = QHBoxLayout()

        self._addAction = QAction(
            "+", self, toolTip="Add a new sort key")
        self._updateAction = QAction(
            "Update", self, toolTip="Update/save current selection")
        self._removeAction = QAction(
            "\u2212", self, toolTip="Remove selected sort key.")

        self._addToolButton = QToolButton(self)
        self._updateToolButton = QToolButton(self)
        self._removeToolButton = QToolButton(self)
        self._updateToolButton.setSizePolicy(
                QSizePolicy.MinimumExpanding, QSizePolicy.Minimum)

        self._addToolButton.setDefaultAction(self._addAction)
        self._updateToolButton.setDefaultAction(self._updateAction)
        self._removeToolButton.setDefaultAction(self._removeAction)

        buttonLayout.addWidget(self._addToolButton)
        buttonLayout.addWidget(self._updateToolButton)
        buttonLayout.addWidget(self._removeToolButton)

        layout.addLayout(buttonLayout)
        self.setLayout(layout)

        self._addAction.triggered.connect(self.addCurrentSelection)
        self._updateAction.triggered.connect(self.updateSelectedSelection)
        self._removeAction.triggered.connect(self.removeSelectedSelection)

        self._setListView.selectionModel().selectionChanged.connect(
            self._onListViewSelectionChanged)
        self.selectionModel = None
        self._selections = []

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, parent=None, **kwargs):
        QWidget.__init__(self, parent, **kwargs)
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)
        self.setLayout(layout)

        self.setSizePolicy(QSizePolicy.Fixed,
                           QSizePolicy.Expanding)
        self.__tabs = []

        self.__currentIndex = -1
        self.__changeOnHover = False

        self.__iconSize = QSize(26, 26)

        self.__group = QButtonGroup(self, exclusive=True)
        self.__group.buttonPressed[QAbstractButton].connect(
            self.__onButtonPressed
        )
        self.setMouseTracking(True)

        self.__sloppyButton = None
        self.__sloppyRegion = QRegion()
        self.__sloppyTimer = QTimer(self, singleShot=True)
        self.__sloppyTimer.timeout.connect(self.__onSloppyTimeout)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __setupUi(self):
        vlayout = QVBoxLayout()
        vlayout.setContentsMargins(0, 0, 0, 0)
        top_layout = QVBoxLayout(objectName="top-layout")
        margin = self.__margin
        top_layout.setContentsMargins(margin, margin, margin, margin)
        # Optional heading label

        self.__heading = QLabel(
            self, objectName="heading", visible=False
        )
        # Horizontal row with full text description and a large preview
        # image.
        hlayout = QHBoxLayout()
        hlayout.setContentsMargins(0, 0, 0, 0)
        self.__label = QLabel(
            self, objectName="description-label",
            wordWrap=True, alignment=Qt.AlignTop | Qt.AlignLeft
        )

        self.__label.setWordWrap(True)
        self.__label.setFixedSize(220, PREVIEW_SIZE[1])
        self.__label.setMinimumWidth(PREVIEW_SIZE[0] // 2)
        self.__label.setMaximumHeight(PREVIEW_SIZE[1])

        self.__image = QSvgWidget(self, objectName="preview-image")
        self.__image.setFixedSize(*PREVIEW_SIZE)

        self.__imageFrame = DropShadowFrame(self)
        self.__imageFrame.setWidget(self.__image)

        hlayout.addWidget(self.__label)
        hlayout.addWidget(self.__image)

        # Path text below the description and image
        path_layout = QHBoxLayout()
        path_layout.setContentsMargins(0, 0, 0, 0)
        path_label = QLabel("<b>{0!s}</b>".format(self.tr("Path:")), self,
                            objectName="path-label")
        self.__path = TextLabel(self, objectName="path-text")

        path_layout.addWidget(path_label)
        path_layout.addWidget(self.__path)

        top_layout.addWidget(self.__heading)
        top_layout.addLayout(hlayout)
        top_layout.addLayout(path_layout)

        vlayout.addLayout(top_layout)

        # An list view with small preview icons.
        self.__previewList = LinearIconView(
            objectName="preview-list-view",
            wordWrap=True
        )
        self.__previewList.doubleClicked.connect(self.__onDoubleClicked)

        vlayout.addWidget(self.__previewList)
        self.setLayout(vlayout)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, master):
        QWidget.__init__(self)
        gui.OWComponent.__init__(self, master)
        self.master = master
        self.preprocessor = master.preprocessor
        self.value = getattr(self.preprocessor, self.attribute)

        # Title bar.
        title_holder = QWidget()
        title_holder.setSizePolicy(QSizePolicy.MinimumExpanding,
                                   QSizePolicy.Fixed)
        title_holder.setStyleSheet("""
        .QWidget {
        background: qlineargradient( x1:0 y1:0, x2:0 y2:1,
        stop:0 #F8F8F8, stop:1 #C8C8C8);
        border-bottom: 1px solid #B3B3B3;
        }
        """)
        self.titleArea = QHBoxLayout()
        self.titleArea.setContentsMargins(10, 5, 10, 5)
        self.titleArea.setSpacing(0)
        title_holder.setLayout(self.titleArea)

        self.title_label = QLabel(self.title)
        self.title_label.mouseDoubleClickEvent = self.on_toggle
        self.title_label.setStyleSheet('font-size: 12px; border: 2px solid red;')
        self.titleArea.addWidget(self.title_label)

        self.off_label = QLabel('[disabled]')
        self.off_label.setStyleSheet('color: #B0B0B0; margin-left: 5px;')
        self.titleArea.addWidget(self.off_label)
        self.off_label.hide()

        self.titleArea.addStretch()

        # Root.
        self.rootArea = QVBoxLayout()
        self.rootArea.setContentsMargins(0, 0, 0, 0)
        self.rootArea.setSpacing(0)
        self.setLayout(self.rootArea)
        self.rootArea.addWidget(title_holder)

        self.contents = QWidget()
        contentArea = QVBoxLayout()
        contentArea.setContentsMargins(15, 10, 15, 10)
        self.contents.setLayout(contentArea)
        self.rootArea.addWidget(self.contents)

        self.method_layout = self.Layout()
        self.setup_method_layout()
        self.contents.layout().addLayout(self.method_layout)

        if self.toggle_enabled:
            self.on_off_button = OnOffButton(enabled=self.enabled)
            self.on_off_button.stateChanged.connect(self.on_toggle)
            self.on_off_button.setContentsMargins(0, 0, 0, 0)
            self.titleArea.addWidget(self.on_off_button)
            self.display_widget(update_master_width=False)

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

        self.editor = SchemeInfoEdit(self)
        self.editor.layout().setContentsMargins(20, 20, 20, 20)
        self.editor.layout().setSpacing(15)
        self.editor.setSizePolicy(QSizePolicy.MinimumExpanding,
                                  QSizePolicy.MinimumExpanding)

        heading = self.tr("Workflow Info")
        heading = "<h3>{0}</h3>".format(heading)
        self.heading = QLabel(heading, self, objectName="heading")

        # Insert heading
        self.editor.layout().insertRow(0, self.heading)

        self.buttonbox = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Cancel,
            Qt.Horizontal,
            self
            )

        # Insert button box
        self.editor.layout().addRow(self.buttonbox)

        widget = StyledWidget(self, objectName="auto-show-container")
        check_layout = QHBoxLayout()
        check_layout.setContentsMargins(20, 10, 20, 10)
        self.__showAtNewSchemeCheck = \
            QCheckBox(self.tr("Show when I make a New Workflow."),
                      self,
                      objectName="auto-show-check",
                      checked=False,
                      )

        check_layout.addWidget(self.__showAtNewSchemeCheck)
        check_layout.addWidget(
               QLabel(self.tr("You can also edit Workflow Info later "
                              "(File -> Workflow Info)."),
                      self,
                      objectName="auto-show-info"),
               alignment=Qt.AlignRight)
        widget.setLayout(check_layout)
        widget.setSizePolicy(QSizePolicy.MinimumExpanding,
                             QSizePolicy.Fixed)

        if self.__autoCommit:
            self.buttonbox.accepted.connect(self.editor.commit)

        self.buttonbox.accepted.connect(self.accept)
        self.buttonbox.rejected.connect(self.reject)

        layout.addWidget(self.editor, stretch=10)
        layout.addWidget(widget)

        self.setLayout(layout)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __setupUi(self):
        self.setLayout(QVBoxLayout(self))
        self.layout().setContentsMargins(6, 6, 6, 6)

        self.__search = SearchWidget(self, objectName="search-line")

        self.__search.setPlaceholderText(
            self.tr("Search for widget or select from the list.")
        )

        self.layout().addWidget(self.__search)

        self.__frame = QFrame(self, objectName="menu-frame")
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(2)
        self.__frame.setLayout(layout)

        self.layout().addWidget(self.__frame)

        self.__pages = PagedMenu(self, objectName="paged-menu")
        self.__pages.currentChanged.connect(self.setCurrentIndex)
        self.__pages.triggered.connect(self.triggered)
        self.__pages.hovered.connect(self.hovered)

        self.__frame.layout().addWidget(self.__pages)

        self.setSizePolicy(QSizePolicy.Fixed,
                           QSizePolicy.Expanding)

        self.__suggestPage = SuggestMenuPage(self, objectName="suggest-page")
        self.__suggestPage.setActionRole(QtWidgetRegistry.WIDGET_ACTION_ROLE)
        self.__suggestPage.setIcon(icon_loader().get("icons/Search.svg"))

        if sys.platform == "darwin":
            view = self.__suggestPage.view()
            view.verticalScrollBar().setAttribute(Qt.WA_MacMiniSize, True)
            # Don't show the focus frame because it expands into the tab bar.
            view.setAttribute(Qt.WA_MacShowFocusRect, False)

        i = self.addPage(self.tr("Quick Search"), self.__suggestPage)
        button = self.__pages.tabButton(i)
        button.setObjectName("search-tab-button")
        button.setStyleSheet(
            "TabButton {\n"
            "    qproperty-flat_: false;\n"
            "    border: none;"
            "}\n")

        self.__search.textEdited.connect(self.__on_textEdited)

        self.__navigator = ItemViewKeyNavigator(self)
        self.__navigator.setView(self.__suggestPage.view())
        self.__search.installEventFilter(self.__navigator)

        self.__grip = WindowSizeGrip(self)
        self.__grip.raise_()

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def _setup_gui_labels(self):
        vlayout = QVBoxLayout()
        vlayout.setContentsMargins(0, 0, 0, 0)
        vlayout.setSpacing(1)

        self.labels_edit = QTreeView()
        self.labels_edit.setEditTriggers(QTreeView.CurrentChanged)
        self.labels_edit.setRootIsDecorated(False)

        self.labels_model = DictItemsModel()
        self.labels_edit.setModel(self.labels_model)

        self.labels_edit.selectionModel().selectionChanged.connect(
            self.on_label_selection_changed)

        # Necessary signals to know when the labels change
        self.labels_model.dataChanged.connect(self.on_labels_changed)
        self.labels_model.rowsInserted.connect(self.on_labels_changed)
        self.labels_model.rowsRemoved.connect(self.on_labels_changed)

        vlayout.addWidget(self.labels_edit)
        hlayout = QHBoxLayout()
        hlayout.setContentsMargins(0, 0, 0, 0)
        hlayout.setSpacing(1)
        self.add_label_action = QAction(
            "+", self,
            toolTip="Add a new label.",
            triggered=self.on_add_label,
            enabled=False,
            shortcut=QKeySequence(QKeySequence.New))

        self.remove_label_action = QAction(
            unicodedata.lookup("MINUS SIGN"), self,
            toolTip="Remove selected label.",
            triggered=self.on_remove_label,
            enabled=False,
            shortcut=QKeySequence(QKeySequence.Delete))

        button_size = gui.toolButtonSizeHint()
        button_size = QSize(button_size, button_size)

        button = QToolButton(self)
        button.setFixedSize(button_size)
        button.setDefaultAction(self.add_label_action)
        hlayout.addWidget(button)

        button = QToolButton(self)
        button.setFixedSize(button_size)
        button.setDefaultAction(self.remove_label_action)
        hlayout.addWidget(button)
        hlayout.addStretch(10)
        vlayout.addLayout(hlayout)

        self.main_form.addRow("Labels:", vlayout)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
def main(argv=None):  # pragma: no cover
    from AnyQt.QtWidgets import QVBoxLayout, QCheckBox, QStatusBar
    app = QApplication(list(argv) if argv else [])
    l1 = QVBoxLayout()
    l1.setContentsMargins(0, 0, 0, 0)
    blayout = QVBoxLayout()
    l1.addLayout(blayout)
    sb = QStatusBar()

    w = QWidget()
    w.setLayout(l1)
    messages = [
        Message(Severity.Error, text="Encountered a HCF",
                detailedText="<em>AAA! It burns.</em>",
                textFormat=Qt.RichText),
        Message(Severity.Warning,
                text="ACHTUNG!",
                detailedText=(
                    "<div style=\"color: red\">DAS KOMPUTERMASCHINE IST "
                    "NICHT FÜR DER GEFINGERPOKEN</div>"
                ),
                textFormat=Qt.RichText),
        Message(Severity.Information,
                text="The rain in spain falls mostly on the plain",
                informativeText=(
                    "<a href=\"https://www.google.si/search?q="
                    "Average+Yearly+Precipitation+in+Spain\">Link</a>"
                ),
                textFormat=Qt.RichText),
        Message(Severity.Error,
                text="I did not do this!",
                informativeText="The computer made suggestions...",
                detailedText="... and the default options was yes."),
        Message(),
    ]
    mw = MessagesWidget(openExternalLinks=True)
    for i, m in enumerate(messages):
        cb = QCheckBox(m.text)

        def toogled(state, i=i, m=m):
            if state:
                mw.setMessage(i, m)
            else:
                mw.removeMessage(i)
        cb.toggled[bool].connect(toogled)
        blayout.addWidget(cb)

    sb.addWidget(mw)
    w.layout().addWidget(sb, 0)
    w.show()
    return app.exec_()

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __setupUi(self):
        vlayout = QVBoxLayout()
        vlayout.setContentsMargins(0, 0, 0, 0)
        top_layout = QHBoxLayout()
        top_layout.setContentsMargins(12, 12, 12, 12)

        # Top row with full text description and a large preview
        # image.
        self.__label = QLabel(self, objectName="description-label",
                              wordWrap=True,
                              alignment=Qt.AlignTop | Qt.AlignLeft)

        self.__label.setWordWrap(True)
        self.__label.setFixedSize(220, PREVIEW_SIZE[1])

        self.__image = QSvgWidget(self, objectName="preview-image")
        self.__image.setFixedSize(*PREVIEW_SIZE)

        self.__imageFrame = DropShadowFrame(self)
        self.__imageFrame.setWidget(self.__image)

        # Path text below the description and image
        path_layout = QHBoxLayout()
        path_layout.setContentsMargins(12, 0, 12, 0)
        path_label = QLabel("<b>{0!s}</b>".format(self.tr("Path:")), self,
                            objectName="path-label")

        self.__path = TextLabel(self, objectName="path-text")

        path_layout.addWidget(path_label)
        path_layout.addWidget(self.__path)

        self.__selectAction = \
            QAction(self.tr("Select"), self,
                    objectName="select-action",
                    )

        top_layout.addWidget(self.__label, 1,
                             alignment=Qt.AlignTop | Qt.AlignLeft)
        top_layout.addWidget(self.__image, 1,
                             alignment=Qt.AlignTop | Qt.AlignRight)

        vlayout.addLayout(top_layout)
        vlayout.addLayout(path_layout)

        # An list view with small preview icons.
        self.__previewList = LinearIconView(objectName="preview-list-view")
        self.__previewList.doubleClicked.connect(self.__onDoubleClicked)

        vlayout.addWidget(self.__previewList)
        self.setLayout(vlayout)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, parent=None):
        super().__init__(parent)
        self.corpus = None
        self.initial_ngram_range = None     # initial range of input corpus — used for inplace
        self.preprocessor = preprocess.Preprocessor()

        # -- INFO --
        info_box = gui.widgetBox(self.controlArea, 'Info')
        info_box.setFixedWidth(self.control_area_width)
        self.controlArea.layout().addStretch()
        self.info_label = gui.label(info_box, self, '')
        self.update_info()

        # -- PIPELINE --
        frame = QFrame()
        frame.setContentsMargins(0, 0, 0, 0)
        frame.setFrameStyle(QFrame.Box)
        frame.setStyleSheet('.QFrame { border: 1px solid #B3B3B3; }')
        frame_layout = QVBoxLayout()
        frame_layout.setContentsMargins(0, 0, 0, 0)
        frame_layout.setSpacing(0)
        frame.setLayout(frame_layout)

        self.stages = []
        for stage in self.preprocessors:
            widget = stage(self)
            self.stages.append(widget)
            setattr(self, stage.attribute, widget)
            frame_layout.addWidget(widget)
            widget.change_signal.connect(self.settings_invalidated)

        frame_layout.addStretch()
        self.scroll = QScrollArea()
        self.scroll.setWidget(frame)
        self.scroll.setWidgetResizable(True)
        self.scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.scroll.resize(frame_layout.sizeHint())
        self.scroll.setMinimumHeight(500)
        self.set_minimal_width()
        self.mainArea.layout().addWidget(self.scroll)

        # Buttons area
        self.report_button.setFixedWidth(self.control_area_width)

        commit_button = gui.auto_commit(self.buttonsArea, self, 'autocommit',
                                        'Commit', box=False)
        commit_button.setFixedWidth(self.control_area_width - 5)

        self.buttonsArea.layout().addWidget(commit_button)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    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)

# 需要导入模块: from AnyQt.QtWidgets import QVBoxLayout [as 别名]
# 或者: from AnyQt.QtWidgets.QVBoxLayout import setContentsMargins [as 别名]
    def __init__(self, parent=None, **kwargs):
        super().__init__(parent, **kwargs)
        self.__dropindicator = QSpacerItem(
            16, 16, QSizePolicy.Expanding, QSizePolicy.Fixed
        )
        self.__dragstart = (None, None, None)

        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)

        self.__flowlayout = QVBoxLayout()
        layout.addLayout(self.__flowlayout)
        layout.addSpacerItem(
            QSpacerItem(1, 1, QSizePolicy.Expanding, QSizePolicy.Expanding))

        self.setLayout(layout)
        self.setAcceptDrops(True)