class RichText(QWidget):
    """
    WebView widget with find dialog
    """
    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)

    def set_font(self, font, fixed_font=None):
        """Set font"""
        self.webview.set_font(font, fixed_font=fixed_font)

    def set_html(self, html_text, base_url):
        """Set html text"""
        self.webview.setHtml(html_text, base_url)

    def clear(self):
        self.set_html('', self.webview.url())

class PlainText(QWidget):
    """
    Read-only editor widget with find dialog
    """
    # Signals
    focus_changed = Signal()

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

        # Read-only editor
        self.editor = codeeditor.CodeEditor(self)
        self.editor.setup_editor(linenumbers=False, language='py',
                                 scrollflagarea=False, edge_line=False)
        self.editor.focus_changed.connect(lambda: self.focus_changed.emit())
        self.editor.setReadOnly(True)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.editor)
        self.find_widget.hide()

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

    def set_font(self, font, color_scheme=None):
        """Set font"""
        self.editor.set_font(font, color_scheme=color_scheme)

    def set_color_scheme(self, color_scheme):
        """Set color scheme"""
        self.editor.set_color_scheme(color_scheme)

    def set_text(self, text, is_code):
        self.editor.set_highlight_current_line(is_code)
        self.editor.set_occurrence_highlighting(is_code)
        if is_code:
            self.editor.set_language('py')
        else:
            self.editor.set_language(None)
        self.editor.set_text(text)
        self.editor.set_cursor_position('sof')

    def clear(self):
        self.editor.clear()

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

        # Read-only editor
        self.editor = QsciEditor(self)
        self.editor.setup_editor(linenumbers=False, language='py',
                                 code_folding=True)
        self.connect(self.editor, SIGNAL("focus_changed()"),
                     lambda: self.emit(SIGNAL("focus_changed()")))
        self.editor.setReadOnly(True)
        self.editor.set_font( get_font(self.ID) )
        self.editor.toggle_wrap_mode( CONF.get(self.ID, 'wrap') )
        
        # Add entries to read-only editor context-menu
        font_action = create_action(self, translate("Editor", "&Font..."), None,
                                    'font.png',
                                    translate("Editor", "Set font style"),
                                    triggered=self.change_font)
        wrap_action = create_action(self, translate("Editor", "Wrap lines"),
                                    toggled=self.toggle_wrap_mode)
        wrap_action.setChecked( CONF.get(self.ID, 'wrap') )
        self.editor.readonly_menu.addSeparator()
        add_actions(self.editor.readonly_menu, (font_action, wrap_action))
        
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.editor)
        self.find_widget.hide()

    def __init__(self, parent):
        self.tabwidget = None
        self.menu_actions = None
        self.dockviewer = None
        
        self.editors = []
        self.filenames = []
        self.icons = []
        
        SpyderPluginWidget.__init__(self, parent)
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
        layout.addWidget(self.tabwidget)

        # Menu as corner widget
        options_button = create_toolbutton(self, text=self.tr("Options"),
                                           icon=get_icon('tooloptions.png'))
        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()
        layout.addWidget(self.find_widget)
        
        self.setLayout(layout)

    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=None, namespace=None, commands=[], message=None, exitfunc=None, profile=False, multithreaded=False
    ):
        if PYQT5:
            SpyderPluginWidget.__init__(self, parent, main=parent)
        else:
            SpyderPluginWidget.__init__(self, parent)

        debug_print("    ..internal console: initializing")
        self.dialog_manager = DialogManager()

        # Shell
        light_background = self.get_option("light_background")
        self.shell = InternalShell(
            parent,
            namespace,
            commands,
            message,
            self.get_option("max_line_count"),
            self.get_plugin_font(),
            exitfunc,
            profile,
            multithreaded,
            light_background=light_background,
        )
        self.shell.status.connect(lambda msg: self.show_message.emit(msg, 0))
        self.shell.go_to_error.connect(self.go_to_error)
        self.shell.focus_changed.connect(lambda: self.focus_changed.emit())

        # Redirecting some signals:
        self.shell.redirect_stdio.connect(lambda state: self.redirect_stdio.emit(state))

        # Initialize plugin
        self.initialize_plugin()

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)

        # Parameters
        self.shell.toggle_wrap_mode(self.get_option("wrap"))

        # Accepting drops
        self.setAcceptDrops(True)

    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)

    def __init__(self, parent=None, namespace=None, commands=[], message=None,
                 exitfunc=None, profile=False, multithreaded=False):
        SpyderPluginWidget.__init__(self, parent)
        
        debug_print("    ..internal console: initializing")
        self.dialog_manager = DialogManager()

        # Shell
        light_background = self.get_option('light_background')
        self.shell = InternalShell(parent, namespace, commands, message,
                                   self.get_option('max_line_count'),
                                   self.get_plugin_font(), exitfunc, profile,
                                   multithreaded,
                                   light_background=light_background)
        self.connect(self.shell, SIGNAL('status(QString)'),
                     lambda msg:
                     self.emit(SIGNAL('show_message(QString,int)'), msg, 0))
        self.connect(self.shell, SIGNAL("go_to_error(QString)"),
                     self.go_to_error)
        self.connect(self.shell, SIGNAL("focus_changed()"),
                     lambda: self.emit(SIGNAL("focus_changed()")))
        # Redirecting some SIGNALs:
        self.connect(self.shell, SIGNAL('redirect_stdio(bool)'),
                     lambda state: self.emit(SIGNAL('redirect_stdio(bool)'),
                                             state))
        
        # Initialize plugin
        self.initialize_plugin()
                
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()
        self.register_widget_shortcuts("Editor", self.find_widget)

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)
        
        # Parameters
        self.shell.toggle_wrap_mode(self.get_option('wrap'))
            
        # Accepting drops
        self.setAcceptDrops(True)

    def setupUi(self):
        self.tabs = QTabWidget()
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_file)
        self.tabs.currentChanged.connect(self._current_editor_changed)
        self.tabs.setMovable(True)
        self.tabs.setDocumentMode(True)

        self.find_widget = FindReplace(self, enable_replace=True)
        self.find_widget.hide()

        self.content_widget = QWidget()
        layout = QGridLayout(self.content_widget)
        layout.addWidget(self.tabs)
        layout.addWidget(self.find_widget)

        self.setWidget(self.content_widget)

        self.setAcceptDrops(True)

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

        self.tabwidget = None
        self.menu_actions = None

        self.extconsole = None         # External console plugin
        self.inspector = None          # Object inspector plugin
        self.historylog = None         # History log plugin
        self.variableexplorer = None   # Variable explorer plugin
        
        self.clients = []
        
        # Initialize plugin
        self.initialize_plugin()
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        if hasattr(self.tabwidget, 'setDocumentMode')\
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
                     
        self.tabwidget.set_close_function(self.close_client)

        layout.addWidget(self.tabwidget)

        # 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)
            
        # Accepting drops
        self.setAcceptDrops(True)

    def __init__(self, parent, light_mode):
        self.light_mode = light_mode
        self.commands = []
        self.tabwidget = None
        self.menu_actions = None
        self.inspector = None
        self.historylog = None
        self.variableexplorer = None # variable explorer plugin
        
        self.ipython_count = 0
        self.python_count = 0
        self.terminal_count = 0
        
        if CONF.get(self.ID, 'ipython_options', None) is None:
            CONF.set(self.ID, 'ipython_options',
                     self.get_default_ipython_options())
        
        self.shells = []
        self.filenames = []
        self.icons = []
        
        SpyderPluginWidget.__init__(self, parent)
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
                     
        self.tabwidget.set_close_function(self.close_console)

        layout.addWidget(self.tabwidget)
        
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.hide()
        layout.addWidget(self.find_widget)
        
        self.setLayout(layout)
            
        # Accepting drops
        self.setAcceptDrops(True)

    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)
        layout.addWidget(self.tabwidget)

        # 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):
        QWidget.__init__(self, parent)
        self.editor = None

        # Read-only editor
        self.editor = codeeditor.CodeEditor(self)
        self.editor.setup_editor(linenumbers=False, language="py", scrollflagarea=False, edge_line=False)
        self.editor.focus_changed.connect(lambda: self.focus_changed.emit())
        self.editor.setReadOnly(True)

        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.editor)
        self.find_widget.hide()

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

    def __init__(self, parent=None, namespace=None, commands=None, message="",
                 debug=False, exitfunc=None, profile=False):
        # Shell
        self.shell = InteractiveShell(parent, namespace, commands, message,
                                      get_font(self.ID),
                                      debug, exitfunc, profile)
        self.connect(self.shell, SIGNAL('status(QString)'),
                     lambda msg:
                     self.emit(SIGNAL('show_message(QString,int)'), msg, 0))
        self.connect(self.shell, SIGNAL("go_to_error(QString)"),
                     self.go_to_error)
        self.connect(self.shell, SIGNAL("focus_changed()"),
                     lambda: self.emit(SIGNAL("focus_changed()")))
        # Redirecting some SIGNALs:
        self.connect(self.shell, SIGNAL('redirect_stdio(bool)'),
                     lambda state: self.emit(SIGNAL('redirect_stdio(bool)'),
                                             state))
        
        PluginWidget.__init__(self, parent)
        
        # Find/replace widget
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.shell)
        self.find_widget.hide()

        # Main layout
        layout = QVBoxLayout()
        layout.addWidget(self.shell)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)
        
        # Parameters
        self.shell.toggle_wrap_mode( CONF.get(self.ID, 'wrap') )
        
        self.connect(self, SIGNAL("executing_command(bool)"),
                     self.change_cursor)
            
        # Accepting drops
        self.setAcceptDrops(True)

 def __init__(self, parent, commands=None):
     self.commands = commands
     self.tabwidget = None
     self.menu_actions = None
     self.docviewer = None
     self.historylog = None
     
     self.shells = []
     self.filenames = []
     self.icons = []
     
     PluginWidget.__init__(self, parent)
     
     layout = QVBoxLayout()
     self.tabwidget = Tabs(self, self.menu_actions)
     self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                  self.refresh)
     self.connect(self.tabwidget, SIGNAL("close_tab(int)"),
                  self.tabwidget.removeTab)
     self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                  self.move_tab)
     self.close_button = create_toolbutton(self.tabwidget,
                                       icon=get_icon("fileclose.png"),
                                       triggered=self.close_console,
                                       tip=self.tr("Close current console"))
     self.tabwidget.setCornerWidget(self.close_button)
     layout.addWidget(self.tabwidget)
     
     # Find/replace widget
     self.find_widget = FindReplace(self)
     self.find_widget.hide()
     layout.addWidget(self.find_widget)
     
     self.setLayout(layout)
         
     # Accepting drops
     self.setAcceptDrops(True)

class PluginEditorDock(QDockWidget):
    """ A dock for editing plugins.
    """

    template_code = \
        """from spykeutils.plugin import analysis_plugin, gui_data

class SamplePlugin(analysis_plugin.AnalysisPlugin):
    def get_name(self):
        return 'New plugin'

    def start(self, current, selections):
        print 'Plugin started.'
"""

    plugin_saved = pyqtSignal(str)
    file_available = pyqtSignal(bool)

    def __init__(self, title='Plugin Editor', default_path=None, parent=None):
        QDockWidget.__init__(self, title, parent)
        self.setupUi()

        self.thread_manager = ThreadManager(self)
        try:
            self.rope_project = codeeditor.get_rope_project()
        except IOError:  # Might happen when frozen
            self.rope_project = None

        data_path = QDesktopServices.storageLocation(
            QDesktopServices.DataLocation)
        self.default_path = default_path or os.getcwd()
        self.rope_temp_path = os.path.join(data_path, '.temp')
        self.tabs.currentChanged.connect(self._tab_changed)
        self.enter_completion = True

    def _tab_changed(self, tab):
        self.file_available.emit(tab != -1)

    def set_default_path(self, path):
        self.default_path = path

    def populate_groups(self):
        self.filterGroupComboBox.clear()
        self.filterGroupComboBox.addItem('')
        for g in sorted(self.groups[self.filterTypeComboBox.currentText()]):
            self.filterGroupComboBox.addItem(g)

    def setupUi(self):
        self.tabs = QTabWidget()
        self.tabs.setTabsClosable(True)
        self.tabs.tabCloseRequested.connect(self.close_file)
        self.tabs.currentChanged.connect(self._current_editor_changed)
        self.tabs.setMovable(True)
        self.tabs.setDocumentMode(True)

        self.find_widget = FindReplace(self, enable_replace=True)
        self.find_widget.hide()

        self.content_widget = QWidget()
        layout = QGridLayout(self.content_widget)
        layout.addWidget(self.tabs)
        layout.addWidget(self.find_widget)

        self.setWidget(self.content_widget)

        self.setAcceptDrops(True)

    def dragEnterEvent(self, event):
        if event.mimeData().hasUrls():
            for url in event.mimeData().urls():
                p = url.toString()
                if p.startswith('file://') and p.endswith('.py'):
                    event.acceptProposedAction()
                    return

    def dropEvent(self, event):
        for url in event.mimeData().urls():
            p = url.toString()
            if p.startswith('file://') and p.endswith('.py'):
                self.add_file(p[7:])
        event.acceptProposedAction()

    def _setup_editor(self):
        font = QFont('Some font that does not exist')
        font.setStyleHint(font.TypeWriter, font.PreferDefault)
        editor = codeeditor.CodeEditor(self)
        editor.setup_editor(
            linenumbers=True, language='py',
            scrollflagarea=False, codecompletion_enter=self.enter_completion,
            tab_mode=False, edge_line=False, font=font,
            codecompletion_auto=True, go_to_definition=True,
            codecompletion_single=True, calltips=True)
        editor.setCursor(Qt.IBeamCursor)
        editor.horizontalScrollBar().setCursor(Qt.ArrowCursor)
        editor.verticalScrollBar().setCursor(Qt.ArrowCursor)
        return editor

    def _trigger_code_completion(self, automatic):
        editor = self.tabs.currentWidget()
        source_code = unicode(editor.toPlainText())
#.........这里部分代码省略.........

class HistoryLog(SpyderPluginWidget):
    """
    History log widget
    """
    CONF_SECTION = 'historylog'
    CONFIGWIDGET_CLASS = HistoryConfigPage
    def __init__(self, parent):
        self.tabwidget = None
        self.menu_actions = None
        self.dockviewer = None
        self.wrap_action = None
        
        self.editors = []
        self.filenames = []
        self.icons = []
        
        SpyderPluginWidget.__init__(self, parent)

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

        # Menu as corner widget
        options_button = create_toolbutton(self, text=_("Options"),
                                           icon=get_icon('tooloptions.png'))
        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)
            
    #------ SpyderPluginWidget API ---------------------------------------------    
    def get_plugin_title(self):
        """Return widget title"""
        return _('History log')
    
    def get_plugin_icon(self):
        """Return widget icon"""
        return get_icon('history.png')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        return self.tabwidget.currentWidget()
        
    def closing_plugin(self, cancelable=False):
        """Perform actions before parent main window is closed"""
        return True
    
    def refresh_plugin(self):
        """Refresh tabwidget"""
        if self.tabwidget.count():
            editor = self.tabwidget.currentWidget()
        else:
            editor = None
        self.find_widget.set_editor(editor)
        
    def get_plugin_actions(self):
        """Return a list of actions related to plugin"""
        history_action = create_action(self, _("History..."),
                                       None, 'history.png',
                                       _("Set history maximum entries"),
                                       triggered=self.change_history_depth)
        font_action = create_action(self, _("&Font..."), None,
                                    'font.png', _("Set shell font style"),
                                    triggered=self.change_font)
        self.wrap_action = create_action(self, _("Wrap lines"),
                                    toggled=self.toggle_wrap_mode)
        self.wrap_action.setChecked( self.get_option('wrap') )
        self.menu_actions = [history_action, font_action, self.wrap_action]
        return self.menu_actions

    def on_first_registration(self):
        """Action to be performed on first plugin registration"""
        self.main.tabify_plugins(self.main.extconsole, self)
    
    def register_plugin(self):
        """Register plugin in Spyder's main window"""
        self.connect(self, SIGNAL('focus_changed()'),
                     self.main.plugin_focus_changed)
#.........这里部分代码省略.........

class IPythonConsole(SpyderPluginWidget):
    """
    IPython Console plugin

    This is a widget with tabs where each one is an IPythonClient
    """
    CONF_SECTION = 'ipython_console'
    CONFIGWIDGET_CLASS = IPythonConsoleConfigPage
    DISABLE_ACTIONS_WHEN_HIDDEN = False

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

        self.tabwidget = None
        self.menu_actions = None

        self.extconsole = None         # External console plugin
        self.inspector = None          # Object inspector plugin
        self.historylog = None         # History log plugin
        self.variableexplorer = None   # Variable explorer plugin
        
        self.clients = []
        
        # Initialize plugin
        self.initialize_plugin()
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        if hasattr(self.tabwidget, 'setDocumentMode')\
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
                     
        self.tabwidget.set_close_function(self.close_console)

        layout.addWidget(self.tabwidget)

        # 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)
            
        # Accepting drops
        self.setAcceptDrops(True)
    
    #------ SpyderPluginWidget API --------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        return _('IPython console')
    
    def get_plugin_icon(self):
        """Return widget icon"""
        return get_icon('ipython_console.png')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
        client = self.tabwidget.currentWidget()
        if client is not None:
            return client.get_control()

    def get_current_client(self):
        """
        Return the currently selected client
        """
        client = self.tabwidget.currentWidget()
        if client is not None:
            return client

    def run_script_in_current_client(self, filename, wdir, args, debug):
        """Run script in current client, if any"""
        norm = lambda text: remove_backslashes(to_text_string(text))
        client = self.get_current_client()
        if client is not None:
            # Internal kernels, use runfile
            if client.kernel_widget_id is not None:
                line = "%s('%s'" % ('debugfile' if debug else 'runfile',
                                    norm(filename))
                if args:
                    line += ", args='%s'" % norm(args)
                if wdir:
                    line += ", wdir='%s'" % norm(wdir)
                line += ")"
            else: # External kernels, use %run
                line = "%run "
                if debug:
                    line += "-d "
                line += "\"%s\"" % to_text_string(filename)
                if args:
#.........这里部分代码省略.........

class IPythonConsole(SpyderPluginWidget):
    """
    IPython Console plugin

    This is a widget with tabs where each one is an IPythonClient
    """
    CONF_SECTION = 'ipython_console'
    CONFIGWIDGET_CLASS = IPythonConsoleConfigPage
    DISABLE_ACTIONS_WHEN_HIDDEN = False

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

        self.tabwidget = None
        self.menu_actions = None

        self.extconsole = None         # External console plugin
        self.inspector = None          # Object inspector plugin
        self.historylog = None         # History log plugin
        self.variableexplorer = None   # Variable explorer plugin
        
        self.clients = []
        
        # Initialize plugin
        self.initialize_plugin()
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        if hasattr(self.tabwidget, 'setDocumentMode')\
           and not sys.platform == 'darwin':
            # Don't set document mode to true on OSX because it generates
            # a crash when the console is detached from the main window
            # Fixes Issue 561
            self.tabwidget.setDocumentMode(True)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
                     
        self.tabwidget.set_close_function(self.close_client)

        layout.addWidget(self.tabwidget)

        # 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)
            
        # Accepting drops
        self.setAcceptDrops(True)
    
    #------ SpyderPluginMixin API ---------------------------------------------
    def on_first_registration(self):
        """Action to be performed on first plugin registration"""
        self.main.tabify_plugins(self.main.extconsole, self)

    def apply_plugin_settings(self, options):
        """Apply configuration file's plugin settings"""
        font_n = 'plugin_font'
        font_o = self.get_plugin_font()
        inspector_n = 'connect_to_oi'
        inspector_o = CONF.get('inspector', 'connect/ipython_console')
        for client in self.clients:
            control = client.get_control()
            if font_n in options:
                client.set_font(font_o)
            if inspector_n in options and control is not None:
                control.set_inspector_enabled(inspector_o)

    def toggle_view(self, checked):
        """Toggle view"""
        if checked:
            self.dockwidget.show()
            self.dockwidget.raise_()
            # Start a client in case there are none shown
            if not self.clients:
                if self.main.is_setting_up:
                    self.create_new_client(give_focus=False)
                else:
                    self.create_new_client(give_focus=True)
        else:
            self.dockwidget.hide()
    
    #------ SpyderPluginWidget API --------------------------------------------
    def get_plugin_title(self):
        """Return widget title"""
        return _('IPython console')
    
    def get_plugin_icon(self):
        """Return widget icon"""
        return get_icon('ipython_console.png')
    
    def get_focus_widget(self):
        """
        Return the widget to give focus to when
        this plugin's dockwidget is raised on top-level
        """
#.........这里部分代码省略.........

class HistoryLog(SpyderPluginWidget):
    """
    History log widget
    """
    ID = 'historylog'
    def __init__(self, parent):
        self.tabwidget = None
        self.menu_actions = None
        self.dockviewer = None
        
        self.editors = []
        self.filenames = []
        self.icons = []
        
        SpyderPluginWidget.__init__(self, parent)
        
        layout = QVBoxLayout()
        self.tabwidget = Tabs(self, self.menu_actions)
        self.connect(self.tabwidget, SIGNAL('currentChanged(int)'),
                     self.refresh_plugin)
        self.connect(self.tabwidget, SIGNAL('move_data(int,int)'),
                     self.move_tab)
        layout.addWidget(self.tabwidget)

        # Menu as corner widget
        options_button = create_toolbutton(self, text=self.tr("Options"),
                                           icon=