def __init__(self):
        QWidget.__init__(self)
        vlayout = QVBoxLayout()
        self.setLayout(vlayout)
        self.explorer = ExplorerWidget(self, show_cd_only=None)
        vlayout.addWidget(self.explorer)

        hlayout1 = QHBoxLayout()
        vlayout.addLayout(hlayout1)
        label = QLabel("<b>Open file:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout1.addWidget(label)
        self.label1 = QLabel()
        hlayout1.addWidget(self.label1)
        self.explorer.sig_open_file.connect(self.label1.setText)

        hlayout2 = QHBoxLayout()
        vlayout.addLayout(hlayout2)
        label = QLabel("<b>Open dir:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout2.addWidget(label)
        self.label2 = QLabel()
        hlayout2.addWidget(self.label2)
        self.explorer.open_dir.connect(self.label2.setText)

        hlayout3 = QHBoxLayout()
        vlayout.addLayout(hlayout3)
        label = QLabel("<b>Option changed:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout3.addWidget(label)
        self.label3 = QLabel()
        hlayout3.addWidget(self.label3)
        self.explorer.sig_option_changed.connect(lambda x, y: self.label3.setText("option_changed: %r, %r" % (x, y)))
        self.explorer.open_dir.connect(lambda: self.explorer.treewidget.refresh(".."))

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.runconf = RunConfiguration()

        common_group = QGroupBox(_("General settings"))
        common_layout = QGridLayout()
        common_group.setLayout(common_layout)
        self.clo_cb = QCheckBox(_("Command line options:"))
        common_layout.addWidget(self.clo_cb, 0, 0)
        self.clo_edit = QLineEdit()
        self.connect(self.clo_cb, SIGNAL("toggled(bool)"), self.clo_edit.setEnabled)
        self.clo_edit.setEnabled(False)
        common_layout.addWidget(self.clo_edit, 0, 1)
        self.wd_cb = QCheckBox(_("Working directory:"))
        common_layout.addWidget(self.wd_cb, 1, 0)
        wd_layout = QHBoxLayout()
        self.wd_edit = QLineEdit()
        self.connect(self.wd_cb, SIGNAL("toggled(bool)"), self.wd_edit.setEnabled)
        self.wd_edit.setEnabled(False)
        wd_layout.addWidget(self.wd_edit)
        browse_btn = QPushButton(get_std_icon("DirOpenIcon"), "", self)
        browse_btn.setToolTip(_("Select directory"))
        self.connect(browse_btn, SIGNAL("clicked()"), self.select_directory)
        wd_layout.addWidget(browse_btn)
        common_layout.addLayout(wd_layout, 1, 1)

        radio_group = QGroupBox(_("Interpreter"))
        radio_layout = QVBoxLayout()
        radio_group.setLayout(radio_layout)
        self.current_radio = QRadioButton(_("Execute in current Python " "or IPython interpreter"))
        radio_layout.addWidget(self.current_radio)
        self.new_radio = QRadioButton(_("Execute in a new dedicated " "Python interpreter"))
        radio_layout.addWidget(self.new_radio)
        self.systerm_radio = QRadioButton(_("Execute in an external " "system terminal"))
        radio_layout.addWidget(self.systerm_radio)

        new_group = QGroupBox(_("Dedicated Python interpreter"))
        self.connect(self.current_radio, SIGNAL("toggled(bool)"), new_group.setDisabled)
        new_layout = QGridLayout()
        new_group.setLayout(new_layout)
        self.interact_cb = QCheckBox(_("Interact with the Python " "interpreter after execution"))
        new_layout.addWidget(self.interact_cb, 1, 0, 1, -1)
        self.pclo_cb = QCheckBox(_("Command line options:"))
        new_layout.addWidget(self.pclo_cb, 2, 0)
        self.pclo_edit = QLineEdit()
        self.connect(self.pclo_cb, SIGNAL("toggled(bool)"), self.pclo_edit.setEnabled)
        self.pclo_edit.setEnabled(False)
        new_layout.addWidget(self.pclo_edit, 2, 1)
        pclo_label = QLabel(_("The <b>-u</b> option is " "added to these commands"))
        pclo_label.setWordWrap(True)
        new_layout.addWidget(pclo_label, 3, 1)

        # TODO: Add option for "Post-mortem debugging"

        layout = QVBoxLayout()
        layout.addWidget(common_group)
        layout.addWidget(radio_group)
        layout.addWidget(new_group)
        self.setLayout(layout)

 def __init__(self, parent, statusbar):
     StatusBarWidget.__init__(self, parent, statusbar)
     layout = self.layout()
     layout.addWidget(QLabel(_("Line:")))
     self.line = QLabel()
     self.line.setFont(self.label_font)
     layout.addWidget(self.line)
     layout.addWidget(QLabel(_("Column:")))
     self.column = QLabel()
     self.column.setFont(self.label_font)
     layout.addWidget(self.column)
     self.setLayout(layout)

class EncodingStatus(StatusBarWidget):
    def __init__(self, parent, statusbar):
        StatusBarWidget.__init__(self, parent, statusbar)
        layout = self.layout()
        layout.addWidget(QLabel(_("Encoding:")))
        self.encoding = QLabel()
        self.encoding.setFont(self.label_font)
        layout.addWidget(self.encoding)
        layout.addSpacing(20)
        
    def encoding_changed(self, encoding):
        self.encoding.setText(str(encoding).upper().ljust(15))

class EOLStatus(StatusBarWidget):
    def __init__(self, parent, statusbar):
        StatusBarWidget.__init__(self, parent, statusbar)
        layout = self.layout()
        layout.addWidget(QLabel(_("End-of-lines:")))
        self.eol = QLabel()
        self.eol.setFont(self.label_font)
        layout.addWidget(self.eol)
        layout.addSpacing(20)
        
    def eol_changed(self, os_name):
        os_name = to_text_string(os_name)
        self.eol.setText({"nt": "CRLF", "posix": "LF"}.get(os_name, "CR"))

class ReadWriteStatus(StatusBarWidget):
    def __init__(self, parent, statusbar):
        StatusBarWidget.__init__(self, parent, statusbar)
        layout = self.layout()
        layout.addWidget(QLabel(_("Permissions:")))
        self.readwrite = QLabel()
        self.readwrite.setFont(self.label_font)
        layout.addWidget(self.readwrite)
        layout.addSpacing(20)
        
    def readonly_changed(self, readonly):
        readwrite = "R" if readonly else "RW"
        self.readwrite.setText(readwrite.ljust(3))

 def fix_size(self, content, extra=50):
     """Adjusts the width of the file switcher, based on the content."""
     # Update size of dialog based on longest shortened path
     strings = []
     if content:
         for rich_text in content:
             label = QLabel(rich_text)
             label.setTextFormat(Qt.PlainText)
             strings.append(label.text())
             fm = label.fontMetrics()
         max_width = max([fm.width(s)*1.3 for s in strings])
         self.list.setMinimumWidth(max_width + extra)
         self.set_dialog_position()

    def setup_page(self):

        settings_group = QGroupBox(_("Settings"))
        use_color_box = self.create_checkbox(
            _("Use deterministic colors to differentiate functions"),
            'use_colors', default=True)

        results_group = QGroupBox(_("Results"))
        results_label1 = QLabel(_("Memory profiler plugin results "
                                  "(the output of memory_profiler)\n"
                                  "is stored here:"))
        results_label1.setWordWrap(True)

        # Warning: do not try to regroup the following QLabel contents with
        # widgets above -- this string was isolated here in a single QLabel
        # on purpose: to fix Issue 863 of Profiler plugon
        results_label2 = QLabel(MemoryProfilerWidget.DATAPATH)

        results_label2.setTextInteractionFlags(Qt.TextSelectableByMouse)
        results_label2.setWordWrap(True)

        settings_layout = QVBoxLayout()
        settings_layout.addWidget(use_color_box)
        settings_group.setLayout(settings_layout)

        results_layout = QVBoxLayout()
        results_layout.addWidget(results_label1)
        results_layout.addWidget(results_label2)
        results_group.setLayout(results_layout)

        vlayout = QVBoxLayout()
        vlayout.addWidget(settings_group)
        vlayout.addWidget(results_group)
        vlayout.addStretch(1)
        self.setLayout(vlayout)

    def setup_page(self):
        """
        Create the Spyder Config page for this plugin.

        As of Dec 2014, there are no options available to set, so we only
        display the data path.
        """
        results_group = QGroupBox(_("Results"))
        results_label1 = QLabel(_("Results are stored here:"))
        results_label1.setWordWrap(True)

        # Warning: do not try to regroup the following QLabel contents with
        # widgets above -- this string was isolated here in a single QLabel
        # on purpose: to fix Issue 863
        results_label2 = QLabel(CoverageWidget.DATAPATH)

        results_label2.setTextInteractionFlags(Qt.TextSelectableByMouse)
        results_label2.setWordWrap(True)

        results_layout = QVBoxLayout()
        results_layout.addWidget(results_label1)
        results_layout.addWidget(results_label2)
        results_group.setLayout(results_layout)

        vlayout = QVBoxLayout()
        vlayout.addWidget(results_group)
        vlayout.addStretch(1)
        self.setLayout(vlayout)

 def create_lineedit(self, text, option, default=NoDefault,
                     tip=None, alignment=Qt.Vertical):
     label = QLabel(text)
     label.setWordWrap(True)
     edit = QLineEdit()
     layout = QVBoxLayout() if alignment == Qt.Vertical else QHBoxLayout()
     layout.addWidget(label)
     layout.addWidget(edit)
     layout.setContentsMargins(0, 0, 0, 0)
     if tip:
         edit.setToolTip(tip)
     self.lineedits[edit] = (option, default)
     widget = QWidget(self)
     widget.setLayout(layout)
     return widget

class BaseTimerStatus(StatusBarWidget):
    TITLE = None
    TIP = None
    def __init__(self, parent, statusbar):
        StatusBarWidget.__init__(self, parent, statusbar)
        self.setToolTip(self.TIP)
        layout = self.layout()
        layout.addWidget(QLabel(self.TITLE))
        self.label = QLabel()
        self.label.setFont(self.label_font)
        layout.addWidget(self.label)
        layout.addSpacing(20)
        if self.is_supported():
            self.timer = QTimer()
            self.timer.timeout.connect(self.update_label)
            self.timer.start(2000)
        else:
            self.timer = None
            self.hide()
    
    def set_interval(self, interval):
        """Set timer interval (ms)"""
        if self.timer is not None:
            self.timer.setInterval(interval)
    
    def import_test(self):
        """Raise ImportError if feature is not supported"""
        raise NotImplementedError

    def is_supported(self):
        """Return True if feature is supported"""
        try:
            self.import_test()
            return True
        except ImportError:
            return False
    
    def get_value(self):
        """Return value (e.g. CPU or memory usage)"""
        raise NotImplementedError
        
    def update_label(self):
        """Update status label widget, if widget is visible"""
        if self.isVisible():
            self.label.setText('%d %%' % self.get_value())

    def setup_page(self):
        """ Setup of the configuration page. All widgets need to be added here"""
        
        setup_group = QGroupBox(_("RateLaw Plugin Configuration"))
        setup_label = QLabel(_("RateLaw plugin configuration needs to be "\
                               "implemented here.\n"))
        setup_label.setWordWrap(True)

        # Warning: do not try to regroup the following QLabel contents with 
        # widgets above -- this string was isolated here in a single QLabel
        # on purpose: to fix Issue 863
        setup_layout = QVBoxLayout()
        setup_layout.addWidget(setup_label)
        setup_group.setLayout(setup_layout)

        vlayout = QVBoxLayout()
        vlayout.addWidget(setup_group)
        vlayout.addStretch(1)
        self.setLayout(vlayout)

 def __init__(self, parent):
     QWidget.__init__(self, parent)
     layout = QHBoxLayout()
     row_nb = 14
     cindex = 0
     for child in dir(QStyle):
         if child.startswith('SP_'):
             if cindex == 0:
                 col_layout = QVBoxLayout()
             icon_layout = QHBoxLayout()
             icon = get_std_icon(child)
             label = QLabel()
             label.setPixmap(icon.pixmap(32, 32))
             icon_layout.addWidget( label )
             icon_layout.addWidget( QLineEdit(child.replace('SP_', '')) )
             col_layout.addLayout(icon_layout)
             cindex = (cindex+1) % row_nb
             if cindex == 0:
                 layout.addLayout(col_layout)                    
     self.setLayout(layout)
     self.setWindowTitle('Standard Platform Icons')
     self.setWindowIcon(get_std_icon('TitleBarMenuButton'))

class CursorPositionStatus(StatusBarWidget):
    def __init__(self, parent, statusbar):
        StatusBarWidget.__init__(self, parent, statusbar)
        layout = self.layout()
        layout.addWidget(QLabel(_("Line:")))
        self.line = QLabel()
        self.line.setFont(self.label_font)
        layout.addWidget(self.line)
        layout.addWidget(QLabel(_("Column:")))
        self.column = QLabel()
        self.column.setFont(self.label_font)
        layout.addWidget(self.column)
        self.setLayout(layout)
        
    def cursor_position_changed(self, line, index):
        self.line.setText("%-6d" % (line+1))
        self.column.setText("%-4d" % (index+1))

class DependenciesDialog(QDialog):
    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setWindowTitle("Spyder %s: %s" % (__version__, _("Optional Dependencies")))
        self.setModal(True)

        self.view = DependenciesTableView(self, [])

        important_mods = ["rope", "pyflakes", "IPython", "matplotlib"]
        self.label = QLabel(
            _(
                "Spyder depends on several Python modules to "
                "provide additional functionality for its "
                "plugins. The table below shows the required "
                "and installed versions (if any) of all of "
                "them.<br><br>"
                "Although Spyder can work without any of these "
                "modules, it's strongly recommended that at "
                "least you try to install <b>%s</b> and "
                "<b>%s</b> to have a much better experience."
            )
            % (", ".join(important_mods[:-1]), important_mods[-1])
        )
        self.label.setWordWrap(True)
        self.label.setAlignment(Qt.AlignJustify)
        self.label.setContentsMargins(5, 8, 12, 10)

        btn = QPushButton(_("Copy to clipboard"))
        self.connect(btn, SIGNAL("clicked()"), self.copy_to_clipboard)
        bbox = QDialogButtonBox(QDialogButtonBox.Ok)
        self.connect(bbox, SIGNAL("accepted()"), SLOT("accept()"))
        hlayout = QHBoxLayout()
        hlayout.addWidget(btn)
        hlayout.addStretch()
        hlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(self.label)
        vlayout.addWidget(self.view)
        vlayout.addLayout(hlayout)

        self.setLayout(vlayout)
        self.resize(560, 350)

    def set_data(self, dependencies):
        self.view.model.set_data(dependencies)
        self.view.adjust_columns()
        self.view.sortByColumn(0, Qt.DescendingOrder)

    def copy_to_clipboard(self):
        from spyderlib.dependencies import status

        QApplication.clipboard().setText(status())

class DependenciesDialog(QDialog):
    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setWindowTitle("Spyder %s: %s" % (__version__,
                                               _("Dependencies")))
        self.setWindowIcon(ima.icon('tooloptions'))
        self.setModal(True)

        self.view = DependenciesTableView(self, [])

        opt_mods = ['NumPy', 'Matplotlib', 'Pandas', 'SymPy']
        self.label = QLabel(_("Spyder depends on several Python modules to "
                              "provide the right functionality for all its "
                              "panes. The table below shows the required "
                              "and installed versions (if any) of all of "
                              "them.<br><br>"
                              "<b>Note</b>: You can safely use Spyder "
                              "without the following modules installed: "
                              "<b>%s</b> and <b>%s</b>")
                              % (', '.join(opt_mods[:-1]), opt_mods[-1]))
        self.label.setWordWrap(True)
        self.label.setAlignment(Qt.AlignJustify)
        self.label.setContentsMargins(5, 8, 12, 10)

        btn = QPushButton(_("Copy to clipboard"), )
        btn.clicked.connect(self.copy_to_clipboard)
        bbox = QDialogButtonBox(QDialogButtonBox.Ok)
        bbox.accepted.connect(self.accept)
        hlayout = QHBoxLayout()
        hlayout.addWidget(btn)
        hlayout.addStretch()
        hlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(self.label)
        vlayout.addWidget(self.view)
        vlayout.addLayout(hlayout)

        self.setLayout(vlayout)
        self.resize(630, 420)
        
    def set_data(self, dependencies):
        self.view.model.set_data(dependencies)
        self.view.adjust_columns()
        self.view.sortByColumn(0, Qt.DescendingOrder)
    
    def copy_to_clipboard(self):
        from spyderlib.dependencies import status
        QApplication.clipboard().setText(status())

    def __init__(self, parent):
        QDialog.__init__(self, parent)
        self.setWindowTitle("Spyder %s: %s" % (__version__,
                                               _("Optional Dependencies")))
        self.setWindowIcon(ima.icon('tooloptions'))
        self.setModal(True)

        self.view = DependenciesTableView(self, [])

        important_mods = ['rope', 'pyflakes', 'IPython', 'matplotlib']
        self.label = QLabel(_("Spyder depends on several Python modules to "
                              "provide additional functionality for its "
                              "plugins. The table below shows the required "
                              "and installed versions (if any) of all of "
                              "them.<br><br>"
                              "Although Spyder can work without any of these "
                              "modules, it's strongly recommended that at "
                              "least you try to install <b>%s</b> and "
                              "<b>%s</b> to have a much better experience.")
                              % (', '.join(important_mods[:-1]),
                                 important_mods[-1]))
        self.label.setWordWrap(True)
        self.label.setAlignment(Qt.AlignJustify)
        self.label.setContentsMargins(5, 8, 12, 10)

        btn = QPushButton(_("Copy to clipboard"), )
        btn.clicked.connect(self.copy_to_clipboard)
        bbox = QDialogButtonBox(QDialogButtonBox.Ok)
        bbox.accepted.connect(self.accept)
        hlayout = QHBoxLayout()
        hlayout.addWidget(btn)
        hlayout.addStretch()
        hlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(self.label)
        vlayout.addWidget(self.view)
        vlayout.addLayout(hlayout)

        self.setLayout(vlayout)
        self.resize(630, 420)

class FileExplorerTest(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        vlayout = QVBoxLayout()
        self.setLayout(vlayout)
        self.explorer = ExplorerWidget(self, show_cd_only=None)
        vlayout.addWidget(self.explorer)
        
        hlayout1 = QHBoxLayout()
        vlayout.addLayout(hlayout1)
        label = QLabel("<b>Open file:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout1.addWidget(label)
        self.label1 = QLabel()
        hlayout1.addWidget(self.label1)
        self.explorer.sig_open_file.connect(self.label1.setText)
        
        hlayout2 = QHBoxLayout()
        vlayout.addLayout(hlayout2)
        label = QLabel("<b>Open dir:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout2.addWidget(label)
        self.label2 = QLabel()
        hlayout2.addWidget(self.label2)
        self.connect(self.explorer, SIGNAL("open_dir(QString)"),
                     self.label2.setText)
        
        hlayout3 = QHBoxLayout()
        vlayout.addLayout(hlayout3)
        label = QLabel("<b>Option changed:</b>")
        label.setAlignment(Qt.AlignRight)
        hlayout3.addWidget(label)
        self.label3 = QLabel()
        hlayout3.addWidget(self.label3)
        self.explorer.sig_option_changed.connect(
           lambda x, y: self.label3.setText('option_changed: %r, %r' % (x, y)))

        self.connect(self.explorer, SIGNAL("open_parent_dir()"),
                     lambda: self.explorer.listwidget.refresh('..'))

    def setup_page(self):
        results_group = QGroupBox(_("Results"))
        results_label1 = QLabel(_("Profiler plugin results "\
                                  "(the output of python's profile/cProfile)\n"
                                  "are stored here:"))
        results_label1.setWordWrap(True)

        # Warning: do not try to regroup the following QLabel contents with 
        # widgets above -- this string was isolated here in a single QLabel
        # on purpose: to fix Issue 863
        results_label2 = QLabel(ProfilerWidget.DATAPATH)

        results_label2.setTextInteractionFlags(Qt.TextSelectableByMouse)
        results_label2.setWordWrap(True)

        results_layout = QVBoxLayout()
        results_layout.addWidget(results_label1)
        results_layout.addWidget(results_label2)
        results_group.setLayout(results_layout)

        vlayout = QVBoxLayout()
        vlayout.addWidget(results_group)
        vlayout.addStretch(1)
        self.setLayout(vlayout)

    def setup_and_check(self, data, title='', readonly=False,
                        xlabels=None, ylabels=None):
        """
        Setup ArrayEditor:
        return False if data is not supported, True otherwise
        """
        self.data = data
        is_record_array = data.dtype.names is not None
        is_masked_array = isinstance(data, np.ma.MaskedArray)
        if data.size == 0:
            self.error(_("Array is empty"))
            return False
        if data.ndim > 3:
            self.error(_("Arrays with more than 3 dimensions are not supported"))
            return False
        if xlabels is not None and len(xlabels) != self.data.shape[1]:
            self.error(_("The 'xlabels' argument length do no match array "
                         "column number"))
            return False
        if ylabels is not None and len(ylabels) != self.data.shape[0]:
            self.error(_("The 'ylabels' argument length do no match array row "
                         "number"))
            return False
        if not is_record_array:
            dtn = data.dtype.name
            if dtn not in SUPPORTED_FORMATS and not dtn.startswith('str') \
               and not dtn.startswith('unicode'):
                arr = _("%s arrays") % data.dtype.name
                self.error(_("%s are currently not supported") % arr)
                return False
        
        self.layout = QGridLayout()
        self.setLayout(self.layout)
        self.setWindowIcon(ima.icon('arredit'))
        if title:
            title = to_text_string(title) + " - " + _("NumPy array")
        else:
            title = _("Array editor")
        if readonly:
            title += ' (' + _('read only') + ')'
        self.setWindowTitle(title)
        self.resize(600, 500)
        
        # Stack widget
        self.stack = QStackedWidget(self)
        if is_record_array:
            for name in data.dtype.names:
                self.stack.addWidget(ArrayEditorWidget(self, data[name],
                                                   readonly, xlabels, ylabels))
        elif is_masked_array:
            self.stack.addWidget(ArrayEditorWidget(self, data, readonly,
                                                   xlabels, ylabels))
            self.stack.addWidget(ArrayEditorWidget(self, data.data, readonly,
                                                   xlabels, ylabels))
            self.stack.addWidget(ArrayEditorWidget(self, data.mask, readonly,
                                                   xlabels, ylabels))
        elif data.ndim == 3:
            pass
        else:
            self.stack.addWidget(ArrayEditorWidget(self, data, readonly,
                                                   xlabels, ylabels))
        self.arraywidget = self.stack.currentWidget()
        self.stack.currentChanged.connect(self.current_widget_changed)
        self.layout.addWidget(self.stack, 1, 0)

        # Buttons configuration
        btn_layout = QHBoxLayout()
        if is_record_array or is_masked_array or data.ndim == 3:
            if is_record_array:
                btn_layout.addWidget(QLabel(_("Record array fields:")))
                names = []
                for name in data.dtype.names:
                    field = data.dtype.fields[name]
                    text = name
                    if len(field) >= 3:
                        title = field[2]
                        if not is_text_string(title):
                            title = repr(title)
                        text += ' - '+title
                    names.append(text)
            else:
                names = [_('Masked data'), _('Data'), _('Mask')]
            if data.ndim == 3:
                # QSpinBox
                self.index_spin = QSpinBox(self, keyboardTracking=False)
                self.index_spin.valueChanged.connect(self.change_active_widget)
                # QComboBox
                names = [str(i) for i in range(3)]
                ra_combo = QComboBox(self)
                ra_combo.addItems(names)
                ra_combo.currentIndexChanged.connect(self.current_dim_changed)    
                # Adding the widgets to layout
                label = QLabel(_("Axis:"))
                btn_layout.addWidget(label)
                btn_layout.addWidget(ra_combo)
                self.shape_label = QLabel()
                btn_layout.addWidget(self.shape_label)
                label = QLabel(_("Index:"))
                btn_layout.addWidget(label)
                btn_layout.addWidget(self.index_spin)
#.........这里部分代码省略.........