Python call_tip_widget.CallTipWidget类代码示例

    def __init__(self, *args, **kw):
        super(FrontendWidget, self).__init__(*args, **kw)
        # FIXME: remove this when PySide min version is updated past 1.0.7
        # forcefully disable calltips if PySide is < 1.0.7, because they crash
        if qt.QT_API == qt.QT_API_PYSIDE:
            import PySide
            if PySide.__version_info__ < (1,0,7):
                self.log.warn("PySide %s < 1.0.7 detected, disabling calltips" % PySide.__version__)
                self.enable_calltips = False

        # FrontendWidget protected variables.
        self._bracket_matcher = BracketMatcher(self._control)
        self._call_tip_widget = CallTipWidget(self._control)
        self._completion_lexer = CompletionLexer(PythonLexer())
        self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None)
        self._hidden = False
        self._highlighter = FrontendHighlighter(self)
        self._input_splitter = self._input_splitter_class()
        self._kernel_manager = None
        self._kernel_client = None
        self._request_info = {}
        self._request_info['execute'] = {};
        self._callback_dict = {}

        # Configure the ConsoleWidget.
        self.tab_width = 4
        self._set_continuation_prompt('... ')

        # Configure the CallTipWidget.
        self._call_tip_widget.setFont(self.font)
        self.font_changed.connect(self._call_tip_widget.setFont)

        # Configure actions.
        action = self._copy_raw_action
        key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C
        action.setEnabled(False)
        action.setShortcut(QtGui.QKeySequence(key))
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.copy_raw)
        self.copy_available.connect(action.setEnabled)
        self.addAction(action)

        # Connect signal handlers.
        document = self._control.document()
        document.contentsChange.connect(self._document_contents_change)

        # Set flag for whether we are connected via localhost.
        self._local_kernel = kw.get('local_kernel',
                                    FrontendWidget._local_kernel)

    def __init__(self, *args, **kw):
        super(FrontendWidget, self).__init__(*args, **kw)

        # FrontendWidget protected variables.
        self._bracket_matcher = BracketMatcher(self._control)
        self._call_tip_widget = CallTipWidget(self._control)
        self._completion_lexer = CompletionLexer(PythonLexer())
        self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None)
        self._hidden = False
        self._highlighter = FrontendHighlighter(self)
        self._input_splitter = self._input_splitter_class(input_mode='cell')
        self._kernel_manager = None
        self._request_info = {}

        # Configure the ConsoleWidget.
        self.tab_width = 4
        self._set_continuation_prompt('... ')

        # Configure the CallTipWidget.
        self._call_tip_widget.setFont(self.font)
        self.font_changed.connect(self._call_tip_widget.setFont)

        # Configure actions.
        action = self._copy_raw_action
        key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C
        action.setEnabled(False)
        action.setShortcut(QtGui.QKeySequence(key))
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.copy_raw)
        self.copy_available.connect(action.setEnabled)
        self.addAction(action)

        # Connect signal handlers.
        document = self._control.document()
        document.contentsChange.connect(self._document_contents_change)

        # Set flag for whether we are connected via localhost.
        self._local_kernel = kw.get('local_kernel',
                                    FrontendWidget._local_kernel)

class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):
    """ A Qt frontend for a generic Python kernel.
    """

    # An option and corresponding signal for overriding the default kernel
    # interrupt behavior.
    custom_interrupt = Bool(False)
    custom_interrupt_requested = QtCore.pyqtSignal()

    # An option and corresponding signals for overriding the default kernel
    # restart behavior.
    custom_restart = Bool(False)
    custom_restart_kernel_died = QtCore.pyqtSignal(float)
    custom_restart_requested = QtCore.pyqtSignal()
   
    # Emitted when an 'execute_reply' has been received from the kernel and
    # processed by the FrontendWidget.
    executed = QtCore.pyqtSignal(object)

    # Emitted when an exit request has been received from the kernel.
    exit_requested = QtCore.pyqtSignal()
    
    # Protected class variables.
    _CallTipRequest = namedtuple('_CallTipRequest', ['id', 'pos'])
    _CompletionRequest = namedtuple('_CompletionRequest', ['id', 'pos'])
    _ExecutionRequest = namedtuple('_ExecutionRequest', ['id', 'kind'])
    _input_splitter_class = InputSplitter
    _local_kernel = False

    #---------------------------------------------------------------------------
    # 'object' interface
    #---------------------------------------------------------------------------
    
    def __init__(self, *args, **kw):
        super(FrontendWidget, self).__init__(*args, **kw)

        # FrontendWidget protected variables.
        self._bracket_matcher = BracketMatcher(self._control)
        self._call_tip_widget = CallTipWidget(self._control)
        self._completion_lexer = CompletionLexer(PythonLexer())
        self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None)
        self._hidden = False
        self._highlighter = FrontendHighlighter(self)
        self._input_splitter = self._input_splitter_class(input_mode='cell')
        self._kernel_manager = None
        self._request_info = {}

        # Configure the ConsoleWidget.
        self.tab_width = 4
        self._set_continuation_prompt('... ')

        # Configure the CallTipWidget.
        self._call_tip_widget.setFont(self.font)
        self.font_changed.connect(self._call_tip_widget.setFont)

        # Configure actions.
        action = self._copy_raw_action
        key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C
        action.setEnabled(False)
        action.setShortcut(QtGui.QKeySequence(key))
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.copy_raw)
        self.copy_available.connect(action.setEnabled)
        self.addAction(action)

        # Connect signal handlers.
        document = self._control.document()
        document.contentsChange.connect(self._document_contents_change)
        
        # set flag for whether we are connected via localhost
        self._local_kernel = kw.get('local_kernel', FrontendWidget._local_kernel)

    #---------------------------------------------------------------------------
    # 'ConsoleWidget' public interface
    #---------------------------------------------------------------------------

    def copy(self):
        """ Copy the currently selected text to the clipboard, removing prompts.
        """
        text = unicode(self._control.textCursor().selection().toPlainText())
        if text:
            lines = map(transform_classic_prompt, text.splitlines())
            text = '\n'.join(lines)
            QtGui.QApplication.clipboard().setText(text)

    #---------------------------------------------------------------------------
    # 'ConsoleWidget' abstract interface
    #---------------------------------------------------------------------------

    def _is_complete(self, source, interactive):
        """ Returns whether 'source' can be completely processed and a new
            prompt created. When triggered by an Enter/Return key press,
            'interactive' is True; otherwise, it is False.
        """
        complete = self._input_splitter.push(source)
        if interactive:
            complete = not self._input_splitter.push_accepts_more()
        return complete

    def _execute(self, source, hidden):
#.........这里部分代码省略.........

class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):
    """ A Qt frontend for a generic Python kernel.
    """

    # The text to show when the kernel is (re)started.
    banner = Unicode()

    # An option and corresponding signal for overriding the default kernel
    # interrupt behavior.
    custom_interrupt = Bool(False)
    custom_interrupt_requested = QtCore.Signal()

    # An option and corresponding signals for overriding the default kernel
    # restart behavior.
    custom_restart = Bool(False)
    custom_restart_kernel_died = QtCore.Signal(float)
    custom_restart_requested = QtCore.Signal()

    # Whether to automatically show calltips on open-parentheses.
    enable_calltips = Bool(True, config=True,
        help="Whether to draw information calltips on open-parentheses.")

    # Emitted when a user visible 'execute_request' has been submitted to the
    # kernel from the FrontendWidget. Contains the code to be executed.
    executing = QtCore.Signal(object)

    # Emitted when a user-visible 'execute_reply' has been received from the
    # kernel and processed by the FrontendWidget. Contains the response message.
    executed = QtCore.Signal(object)

    # Emitted when an exit request has been received from the kernel.
    exit_requested = QtCore.Signal(object)

    # Protected class variables.
    _transform_prompt = staticmethod(transform_classic_prompt)
    _CallTipRequest = namedtuple('_CallTipRequest', ['id', 'pos'])
    _CompletionRequest = namedtuple('_CompletionRequest', ['id', 'pos'])
    _ExecutionRequest = namedtuple('_ExecutionRequest', ['id', 'kind'])
    _input_splitter_class = InputSplitter
    _local_kernel = False
    _highlighter = Instance(FrontendHighlighter)

    #---------------------------------------------------------------------------
    # 'object' interface
    #---------------------------------------------------------------------------

    def __init__(self, *args, **kw):
        super(FrontendWidget, self).__init__(*args, **kw)
        # FIXME: remove this when PySide min version is updated past 1.0.7
        # forcefully disable calltips if PySide is < 1.0.7, because they crash
        if qt.QT_API == qt.QT_API_PYSIDE:
            import PySide
            if PySide.__version_info__ < (1,0,7):
                self.log.warn("PySide %s < 1.0.7 detected, disabling calltips" % PySide.__version__)
                self.enable_calltips = False

        # FrontendWidget protected variables.
        self._bracket_matcher = BracketMatcher(self._control)
        self._call_tip_widget = CallTipWidget(self._control)
        self._completion_lexer = CompletionLexer(PythonLexer())
        self._copy_raw_action = QtGui.QAction('Copy (Raw Text)', None)
        self._hidden = False
        self._highlighter = FrontendHighlighter(self)
        self._input_splitter = self._input_splitter_class(input_mode='cell')
        self._kernel_manager = None
        self._request_info = {}
        self._request_info['execute'] = {};
        self._callback_dict = {}

        # Configure the ConsoleWidget.
        self.tab_width = 4
        self._set_continuation_prompt('... ')

        # Configure the CallTipWidget.
        self._call_tip_widget.setFont(self.font)
        self.font_changed.connect(self._call_tip_widget.setFont)

        # Configure actions.
        action = self._copy_raw_action
        key = QtCore.Qt.CTRL | QtCore.Qt.SHIFT | QtCore.Qt.Key_C
        action.setEnabled(False)
        action.setShortcut(QtGui.QKeySequence(key))
        action.setShortcutContext(QtCore.Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.copy_raw)
        self.copy_available.connect(action.setEnabled)
        self.addAction(action)

        # Connect signal handlers.
        document = self._control.document()
        document.contentsChange.connect(self._document_contents_change)

        # Set flag for whether we are connected via localhost.
        self._local_kernel = kw.get('local_kernel',
                                    FrontendWidget._local_kernel)

    #---------------------------------------------------------------------------
    # 'ConsoleWidget' public interface
    #---------------------------------------------------------------------------

    def copy(self):
#.........这里部分代码省略.........