def create_spinbox(self, prefix, suffix, option, default=NoDefault,
                    min_=None, max_=None, step=None, tip=None):
     if prefix:
         plabel = QLabel(prefix)
     else:
         plabel = None
     if suffix:
         slabel = QLabel(suffix)
     else:
         slabel = None
     spinbox = QSpinBox()
     if min_ is not None:
         spinbox.setMinimum(min_)
     if max_ is not None:
         spinbox.setMaximum(max_)
     if step is not None:
         spinbox.setSingleStep(step)
     if tip is not None:
         spinbox.setToolTip(tip)
     self.spinboxes[spinbox] = (option, default)
     layout = QHBoxLayout()
     for subwidget in (plabel, spinbox, slabel):
         if subwidget is not None:
             layout.addWidget(subwidget)
     layout.addStretch(1)
     layout.setContentsMargins(0, 0, 0, 0)
     widget = QWidget(self)
     widget.setLayout(layout)
     return widget

    def __init__(self, parent):
        QWidget.__init__(self, parent)

        vert_layout = QVBoxLayout()

        # Type frame
        type_layout = QHBoxLayout()
        type_label = QLabel(_("Import as"))
        type_layout.addWidget(type_label)

        self.array_btn = array_btn = QRadioButton(_("array"))
        array_btn.setEnabled(ndarray is not FakeObject)
        array_btn.setChecked(ndarray is not FakeObject)
        type_layout.addWidget(array_btn)

        list_btn = QRadioButton(_("list"))
        list_btn.setChecked(not array_btn.isChecked())
        type_layout.addWidget(list_btn)

        if pd:
            self.df_btn = df_btn = QRadioButton(_("DataFrame"))
            df_btn.setChecked(False)
            type_layout.addWidget(df_btn)

        h_spacer = QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Minimum)
        type_layout.addItem(h_spacer)
        type_frame = QFrame()
        type_frame.setLayout(type_layout)

        self._table_view = PreviewTable(self)
        vert_layout.addWidget(type_frame)
        vert_layout.addWidget(self._table_view)
        self.setLayout(vert_layout)

 def __init__(self, parent):
     QWidget.__init__(self, parent)
     
     self.shellwidget = None
     self.is_internal_shell = None
     self.ipyclient = None
     self.is_ipykernel = None
     
     self.is_visible = True # Do not modify: light mode won't work!
     
     self.setup_in_progress = None
     
     # Remote dict editor settings
     self.check_all = None
     self.exclude_private = None
     self.exclude_uppercase = None
     self.exclude_capitalized = None
     self.exclude_unsupported = None
     self.excluded_names = None
     self.truncate = None
     self.minmax = None
     self.remote_editing = None
     self.autorefresh = None
     
     self.editor = None
     self.exclude_private_action = None
     self.exclude_uppercase_action = None
     self.exclude_capitalized_action = None
     self.exclude_unsupported_action = None
     
     self.filename = None

    def __init__(self, parent=None, name_filters=['*.py', '*.pyw'],
                 valid_types=('.py', '.pyw'), show_all=False,
                 show_cd_only=None, show_toolbar=True, show_icontext=True):
        QWidget.__init__(self, parent)
        
        self.treewidget = ExplorerTreeWidget(self, show_cd_only=show_cd_only)
        self.treewidget.setup(name_filters=name_filters,
                              valid_types=valid_types, show_all=show_all)
        self.treewidget.chdir(os.getcwdu())
        
        toolbar_action = create_action(self, _("Show toolbar"),
                                       toggled=self.toggle_toolbar)
        icontext_action = create_action(self, _("Show icons and text"),
                                        toggled=self.toggle_icontext)
        self.treewidget.common_actions += [None,
                                           toolbar_action, icontext_action]
        
        # Setup toolbar
        self.toolbar = QToolBar(self)
        self.toolbar.setIconSize(QSize(16, 16))
        
        self.previous_action = create_action(self, text=_("Previous"),
                            icon=get_icon('previous.png'),
                            triggered=self.treewidget.go_to_previous_directory)
        self.toolbar.addAction(self.previous_action)
        self.previous_action.setEnabled(False)
        self.connect(self.treewidget, SIGNAL("set_previous_enabled(bool)"),
                     self.previous_action.setEnabled)
        
        self.next_action = create_action(self, text=_("Next"),
                            icon=get_icon('next.png'),
                            triggered=self.treewidget.go_to_next_directory)
        self.toolbar.addAction(self.next_action)
        self.next_action.setEnabled(False)
        self.connect(self.treewidget, SIGNAL("set_next_enabled(bool)"),
                     self.next_action.setEnabled)
        
        parent_action = create_action(self, text=_("Parent"),
                            icon=get_icon('up.png'),
                            triggered=self.treewidget.go_to_parent_directory)
        self.toolbar.addAction(parent_action)

        options_action = create_action(self, text=_("Options"),
                    icon=get_icon('tooloptions.png'))
        self.toolbar.addAction(options_action)
        widget = self.toolbar.widgetForAction(options_action)
        widget.setPopupMode(QToolButton.InstantPopup)
        menu = QMenu(self)
        add_actions(menu, self.treewidget.common_actions)
        options_action.setMenu(menu)
            
        toolbar_action.setChecked(show_toolbar)
        self.toggle_toolbar(show_toolbar)   
        icontext_action.setChecked(show_icontext)
        self.toggle_icontext(show_icontext)     
        
        vlayout = QVBoxLayout()
        vlayout.addWidget(self.toolbar)
        vlayout.addWidget(self.treewidget)
        self.setLayout(vlayout)

 def create_scedit(self, text, option, default=NoDefault, tip=None,
                   without_layout=False):
     label = QLabel(text)
     clayout = ColorLayout(QColor(Qt.black), self)
     clayout.lineedit.setMaximumWidth(80)
     if tip is not None:
         clayout.setToolTip(tip)
     cb_bold = QCheckBox()
     cb_bold.setIcon(ima.icon('bold'))
     cb_bold.setToolTip(_("Bold"))
     cb_italic = QCheckBox()
     cb_italic.setIcon(ima.icon('italic'))
     cb_italic.setToolTip(_("Italic"))
     self.scedits[(clayout, cb_bold, cb_italic)] = (option, default)
     if without_layout:
         return label, clayout, cb_bold, cb_italic
     layout = QHBoxLayout()
     layout.addWidget(label)
     layout.addLayout(clayout)
     layout.addSpacing(10)
     layout.addWidget(cb_bold)
     layout.addWidget(cb_italic)
     layout.addStretch(1)
     layout.setContentsMargins(0, 0, 0, 0)
     widget = QWidget(self)
     widget.setLayout(layout)
     return widget

    def __init__(self, parent):
        QWidget.__init__(self, parent)

        self.setWindowTitle("Breakpoints")
        self.dictwidget = BreakpointTableView(self, self._load_all_breakpoints())
        layout = QVBoxLayout()
        layout.addWidget(self.dictwidget)
        self.setLayout(layout)
        self.connect(
            self.dictwidget, SIGNAL("clear_all_breakpoints()"), lambda: self.emit(SIGNAL("clear_all_breakpoints()"))
        )
        self.connect(
            self.dictwidget,
            SIGNAL("clear_breakpoint(QString,int)"),
            lambda s1, lino: self.emit(SIGNAL("clear_breakpoint(QString,int)"), s1, lino),
        )
        self.connect(
            self.dictwidget,
            SIGNAL("edit_goto(QString,int,QString)"),
            lambda s1, lino, s2: self.emit(SIGNAL("edit_goto(QString,int,QString)"), s1, lino, s2),
        )
        self.connect(
            self.dictwidget,
            SIGNAL("set_or_edit_conditional_breakpoint()"),
            lambda: self.emit(SIGNAL("set_or_edit_conditional_breakpoint()")),
        )

    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, show_fullpath=True, fullpath_sorting=True,
                 show_all_files=True, show_comments=True):
        QWidget.__init__(self, parent)

        self.treewidget = OutlineExplorerTreeWidget(self,
                                            show_fullpath=show_fullpath,
                                            fullpath_sorting=fullpath_sorting,
                                            show_all_files=show_all_files,
                                            show_comments=show_comments)

        self.visibility_action = create_action(self,
                                           _("Show/hide outline explorer"),
                                           icon='outline_explorer_vis.png',
                                           toggled=self.toggle_visibility)
        self.visibility_action.setChecked(True)
        
        btn_layout = QHBoxLayout()
        btn_layout.setAlignment(Qt.AlignRight)
        for btn in self.setup_buttons():
            btn_layout.addWidget(btn)

        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.addWidget(self.treewidget)
        layout.addLayout(btn_layout)
        self.setLayout(layout)

    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=None):
        QWidget.__init__(self, parent=parent)
        SpyderPluginMixin.__init__(self, parent)
        layout = QVBoxLayout()
        self.setLayout(layout)

        # Initialize plugin
        self.initialize_plugin()

 def __init__(self, parent=None):
     QWidget.__init__(self, parent)
     vlayout = QVBoxLayout()
     self.setLayout(vlayout)
     self.treewidget = FilteredDirView(self)
     self.treewidget.setup_view()
     self.treewidget.set_root_path(r'D:\Python')
     self.treewidget.set_folder_names(['spyder', 'spyder-2.0'])
     vlayout.addWidget(self.treewidget)

 def create_tab(self, *widgets):
     """Create simple tab widget page: widgets added in a vertical layout"""
     widget = QWidget()
     layout = QVBoxLayout()
     for widg in widgets:
         layout.addWidget(widg)
     layout.addStretch(1)
     widget.setLayout(layout)
     return widget

 def hide(self):
     """Overrides Qt Method"""
     for widget in self.replace_widgets:
         widget.hide()
     QWidget.hide(self)
     self.visibility_changed.emit(False)
     if self.editor is not None:
         self.editor.setFocus()
         self.clear_matches()

    def __init__(self, parent,
                 search_text = r"# ?TODO|# ?FIXME|# ?XXX",
                 search_text_regexp=True, search_path=None,
                 include=[".", ".py"], include_idx=None, include_regexp=True,
                 exclude=r"\.pyc$|\.orig$|\.hg|\.svn", exclude_idx=None,
                 exclude_regexp=True,
                 supported_encodings=("utf-8", "iso-8859-1", "cp1252"),
                 in_python_path=False, more_options=False):
        QWidget.__init__(self, parent)
        
        self.setWindowTitle(_('Find in files'))

        self.search_thread = None
        self.get_pythonpath_callback = None
        
        self.find_options = FindOptions(self, search_text, search_text_regexp,
                                        search_path,
                                        include, include_idx, include_regexp,
                                        exclude, exclude_idx, exclude_regexp,
                                        supported_encodings, in_python_path,
                                        more_options)
        self.connect(self.find_options, SIGNAL('find()'), self.find)
        self.connect(self.find_options, SIGNAL('stop()'),
                     self.stop_and_reset_thread)
        
        self.result_browser = ResultsBrowser(self)
        
        collapse_btn = create_toolbutton(self)
        collapse_btn.setDefaultAction(self.result_browser.collapse_all_action)
        expand_btn = create_toolbutton(self)
        expand_btn.setDefaultAction(self.result_browser.expand_all_action)
        restore_btn = create_toolbutton(self)
        restore_btn.setDefaultAction(self.result_browser.restore_action)
#        collapse_sel_btn = create_toolbutton(self)
#        collapse_sel_btn.setDefaultAction(
#                                self.result_browser.collapse_selection_action)
#        expand_sel_btn = create_toolbutton(self)
#        expand_sel_btn.setDefaultAction(
#                                self.result_browser.expand_selection_action)
        
        btn_layout = QVBoxLayout()
        btn_layout.setAlignment(Qt.AlignTop)
        for widget in [collapse_btn, expand_btn, restore_btn]:
#                       collapse_sel_btn, expand_sel_btn]:
            btn_layout.addWidget(widget)
        
        hlayout = QHBoxLayout()
        hlayout.addWidget(self.result_browser)
        hlayout.addLayout(btn_layout)
        
        layout = QVBoxLayout()
        left, _x, right, bottom = layout.getContentsMargins()
        layout.setContentsMargins(left, 0, right, bottom)
        layout.addWidget(self.find_options)
        layout.addLayout(hlayout)
        self.setLayout(layout)

    def __init__(self, parent):
        QWidget.__init__(self, parent)

        self.parent = parent
        
        # Variables to adjust 
        self.duration_canvas = [666, 666]
        self.duration_tips = [333, 333]
        self.opacity_canvas = [0.0, 0.7]
        self.opacity_tips = [0.0, 1.0]
        self.color = Qt.black
        self.easing_curve = [QEasingCurve.Linear]

        self.current_step = 0
        self.step_current = 0
        self.steps = 0
        self.canvas = None
        self.tips = None
        self.frames = None
        self.spy_window = None

        self.widgets = None
        self.dockwidgets = None
        self.decoration = None
        self.run = None

        self.is_tour_set = False

        # Widgets
        self.canvas = FadingCanvas(self.parent, self.opacity_canvas,
                                   self.duration_canvas, self.easing_curve,
                                   self.color)
        self.tips = FadingTipBox(self.parent, self.opacity_tips,
                                 self.duration_tips, self.easing_curve)

        # Widgets setup
        # Needed to fix issue #2204
        self.setAttribute(Qt.WA_TransparentForMouseEvents)

        # Signals and slots
        self.tips.button_next.clicked.connect(self.next_step)
        self.tips.button_previous.clicked.connect(self.previous_step)
        self.tips.button_close.clicked.connect(self.close_tour)
        self.tips.button_run.clicked.connect(self.run_code)
        self.tips.button_home.clicked.connect(self.first_step)
        self.tips.button_end.clicked.connect(self.last_step)
        self.tips.button_run.clicked.connect(
            lambda: self.tips.button_run.setDisabled(True))
        self.tips.combo_title.currentIndexChanged.connect(self.go_to_step)

        # Main window move or resize
        self.parent.sig_resized.connect(self._resized)
        self.parent.sig_moved.connect(self._moved)

        # To capture the arrow keys that allow moving the tour
        self.tips.sig_key_pressed.connect(self._key_pressed)

def get_std_icon(name, size=None):
    """Get standard platform icon
    Call 'show_std_icons()' for details"""
    if not name.startswith('SP_'):
        name = 'SP_' + name
    icon = QWidget().style().standardIcon(getattr(QStyle, name))
    if size is None:
        return icon
    else:
        return QIcon(icon.pixmap(size, size))

 def keyPressEvent(self, event):
     """Reimplemented to handle key events"""
     ctrl = event.modifiers() & Qt.ControlModifier
     shift = event.modifiers() & Qt.ShiftModifier
     if event.key() in (Qt.Key_Enter, Qt.Key_Return):
         self.find.emit()
     elif event.key() == Qt.Key_F and ctrl and shift:
         # Toggle find widgets
         self.parent().toggle_visibility.emit(not self.isVisible())
     else:
         QWidget.keyPressEvent(self, event)

    def __init__(self, parent):
        self.tabwidget = None
        self.menu_actions = None
        self.dockviewer = None
        self.wrap_action = None
        
        self.editors = []
        self.filenames = []
        self.icons = []
        if PYQT5:        
            SpyderPluginWidget.__init__(self, parent, main = parent)
        else:
            SpyderPluginWidget.__init__(self, parent)

        # Initialize plugin
        self.initialize_plugin()
        
        self.set_default_color_scheme()
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.tabwidget.currentChanged.connect(self.refresh_plugin)
        self.tabwidget.move_data.connect(self.move_tab)

        if sys.platform == 'darwin':
            tab_container = QWidget()
            tab_container.setObjectName('tab-container')
            tab_layout = QHBoxLayout(tab_container)
            tab_layout.setContentsMargins(0, 0, 0, 0)
            tab_layout.addWidget(self.tabwidget)
            layout.addWidget(tab_container)
        else:
            layout.addWidget(self.tabwidget)

        self.tabwidget.setStyleSheet("QTabWidget::pane {border: 0;}")

        # Menu as corner widget
        options_button = create_toolbutton(self, text=_('Options'),
                                           icon=ima.icon('tooloptions'))
        options_button.setPopupMode(QToolButton.InstantPopup)
        menu = QMenu(self)
        add_actions(menu, self.menu_actions)
        options_button.setMenu(menu)
        self.tabwidget.setCornerWidget(options_button)
        
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)
        
        layout.addWidget(self.find_widget)
        
        self.setLayout(layout)

    def __init__(self, parent, statusbar):
        QWidget.__init__(self, parent)

        self.label_font = font = get_font('editor')
        font.setPointSize(self.font().pointSize())
        font.setBold(True)
        
        layout = QHBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        self.setLayout(layout)

        statusbar.addPermanentWidget(self)

    def __init__(self, parent):
        QWidget.__init__(self, parent)

        self.webview = FrameWebView(self)
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.webview)
        self.find_widget.hide()

        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.addWidget(self.webview)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)