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Editing: WidgetRedirector.cpython-33.pyc
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� �� f} c @ sV d d l TGd d � d � Z Gd d � d � Z d d � Z e d k rR e � n d S( i ( u *c B sb | Ee Z d Z d Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S( u WidgetRedirectoru� Support for redirecting arbitrary widget subcommands. Some Tk operations don't normally pass through Tkinter. For example, if a character is inserted into a Text widget by pressing a key, a default Tk binding to the widget's 'insert' operation is activated, and the Tk library processes the insert without calling back into Tkinter. Although a binding to <Key> could be made via Tkinter, what we really want to do is to hook the Tk 'insert' operation itself. When a widget is instantiated, a Tcl command is created whose name is the same as the pathname widget._w. This command is used to invoke the various widget operations, e.g. insert (for a Text widget). We are going to hook this command and provide a facility ('register') to intercept the widget operation. In IDLE, the function being registered provides access to the top of a Percolator chain. At the bottom of the chain is a call to the original Tk widget operation. c C se i | _ | | _ | j | _ } | j } | d | _ | j d | | j � | j | | j � d S( Nu _origu rename( u _operationsu widgetu tku _wu origu callu createcommandu dispatch( u selfu widgetu tku w( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu __init__ s u WidgetRedirector.__init__c C s d | j j j | j j f S( Nu WidgetRedirector(%s<%s>)( u widgetu __class__u __name__u _w( u self( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu __repr__& s u WidgetRedirector.__repr__c C s{ x$ t | j � D] } | j | � q W| j } | ` | j } | ` | j } | j } | j | � | j d | | � d S( Nu rename( u listu _operationsu unregisteru widgetu origu tku _wu deletecommandu call( u selfu operationu widgetu origu tku w( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu close* s u WidgetRedirector.closec C s- | | j | <t | j | | � t | | � S( N( u _operationsu setattru widgetu OriginalCommand( u selfu operationu function( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu register5 s u WidgetRedirector.registerc C sW | | j k rO | j | } | j | =t | j | � rK t | j | � n | Sd Sd S( N( u _operationsu hasattru widgetu delattru None( u selfu operationu function( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu unregister: s u WidgetRedirector.unregisterc G s` | j j | � } y1 | r% | | � S| j j | j | f | � SWn t k r[ d SYn Xd S( u Callback from Tcl which runs when the widget is referenced. If an operation has been registered in self._operations, apply the associated function to the args passed into Tcl. Otherwise, pass the operation through to Tk via the original Tcl function. Note that if a registered function is called, the operation is not passed through to Tk. Apply the function returned by self.register() to *args to accomplish that. For an example, see ColorDelegator.py. u N( u _operationsu getu tku callu origu TclError( u selfu operationu argsu m( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu dispatchD s ! u WidgetRedirector.dispatchN( u __name__u __module__u __qualname__u __doc__u __init__u __repr__u closeu registeru unregisteru dispatch( u __locals__( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu WidgetRedirector s u WidgetRedirectorc B s8 | Ee Z d Z d d � Z d d � Z d d � Z d S( u OriginalCommandc C sR | | _ | | _ | j | _ | j | _ | j j | _ | j | j f | _ d S( N( u rediru operationu tku origu callu tk_callu orig_and_operation( u selfu rediru operation( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu __init__\ s u OriginalCommand.__init__c C s d | j | j f S( Nu OriginalCommand(%r, %r)( u rediru operation( u self( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu __repr__d s u OriginalCommand.__repr__c G s | j | j | � S( N( u tk_callu orig_and_operation( u selfu args( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu __call__g s u OriginalCommand.__call__N( u __name__u __module__u __qualname__u __init__u __repr__u __call__( u __locals__( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu OriginalCommandZ s u OriginalCommandc C s� t � } | j d | j � t � } | j � | j � t | � } d d � } | j d | � a | j � | j d � | j � | j � | j � d S( Nu WM_DELETE_WINDOWc W s t d | � t | � d S( Nu insert( u printu previous_tcl_fcn( u args( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu my_inserts s u main.<locals>.my_insertu insert( u Tku wm_protocolu quitu Textu packu focus_setu WidgetRedirectoru registeru previous_tcl_fcnu mainloopu unregisteru closeu destroy( u rootu textu rediru my_insert( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu maink s u mainu __main__N( u tkinteru WidgetRedirectoru OriginalCommandu mainu __name__( ( ( u= /opt/alt/python33/lib64/python3.3/idlelib/WidgetRedirector.pyu <module> s W
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