.. wxPython Phoenix documentation

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   Copyright: (c) 2011-2020 by Total Control Software
   License:   wxWindows License

.. include:: headings.inc



.. _wx.SplitterEvent:

==========================================================================================================================================
|phoenix_title|  **wx.SplitterEvent**
==========================================================================================================================================

This class represents the events generated by a splitter control.          

Also there is only one event class, the data associated to the different events is not the same and so not all accessor functions may be called for each event. The documentation mentions the kind of event(s) for which the given accessor function makes sense: calling it for other types of events will result in assert failure (in debug mode) and will return meaningless results. 

^^ 





.. _SplitterEvent-events:

|events| Events Emitted by this Class
=====================================

Handlers bound for the following event types will receive a :ref:`wx.SplitterEvent` parameter.

Event macros: 

- EVT_SPLITTER_SASH_POS_CHANGING: The sash position is in the process of being changed. May be used to modify the position of the tracking bar to properly reflect the position that would be set if the drag were to be completed at this point. Processes a  ``wxEVT_SPLITTER_SASH_POS_CHANGING``   event.   
- EVT_SPLITTER_SASH_POS_CHANGED: The sash position was changed. May be used to modify the sash position before it is set, or to prevent the change from taking place. Processes a  ``wxEVT_SPLITTER_SASH_POS_CHANGED``   event.   
- EVT_SPLITTER_UNSPLIT: The splitter has been just unsplit. Processes a  ``wxEVT_SPLITTER_UNSPLIT``   event.   
- EVT_SPLITTER_DCLICK: The sash was double clicked. The default behaviour is to unsplit the window when this happens (unless the minimum pane size has been set to a value greater than zero). Processes a  ``wxEVT_SPLITTER_DOUBLECLICKED``   event. ^^ 






         



.. seealso:: :ref:`wx.SplitterWindow`, :ref:`Events and Event Handling <events and event handling>`    







|

|class_hierarchy| Class Hierarchy
=================================

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   Inheritance diagram for class <strong>SplitterEvent</strong>:
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|


|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~wx.SplitterEvent.__init__`                                               Constructor.
:meth:`~wx.SplitterEvent.GetOldSize`                                             Returns the old size before the update.
:meth:`~wx.SplitterEvent.GetSashPosition`                                        Returns the new sash position.
:meth:`~wx.SplitterEvent.GetWindowBeingRemoved`                                  Returns a pointer to the window being removed when a splitter window is unsplit.
:meth:`~wx.SplitterEvent.GetX`                                                   Returns the x coordinate of the double-click point.
:meth:`~wx.SplitterEvent.GetY`                                                   Returns the y coordinate of the double-click point.
:meth:`~wx.SplitterEvent.SetSashPosition`                                        In the case of  ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events, sets the new sash position.
:meth:`~wx.SplitterEvent.SetSize`                                                Sets the size values of the window size.
================================================================================ ================================================================================


|


|property_summary| Properties Summary
=====================================

================================================================================ ================================================================================
:attr:`~wx.SplitterEvent.OldSize`                                                See :meth:`~wx.SplitterEvent.GetOldSize`
:attr:`~wx.SplitterEvent.SashPosition`                                           See :meth:`~wx.SplitterEvent.GetSashPosition` and :meth:`~wx.SplitterEvent.SetSashPosition`
:attr:`~wx.SplitterEvent.WindowBeingRemoved`                                     See :meth:`~wx.SplitterEvent.GetWindowBeingRemoved`
:attr:`~wx.SplitterEvent.X`                                                      See :meth:`~wx.SplitterEvent.GetX`
:attr:`~wx.SplitterEvent.Y`                                                      See :meth:`~wx.SplitterEvent.GetY`
================================================================================ ================================================================================


|


|api| Class API
===============


.. class:: wx.SplitterEvent(NotifyEvent)

   **Possible constructors**::

       SplitterEvent(eventType=wxEVT_NULL, splitter=None)
       
   
   This class represents the events generated by a splitter control.



   .. method:: __init__(self, eventType=wxEVT_NULL, splitter=None)

      Constructor.                  

      Used internally by wxWidgets only.                  


      :param `eventType`: 
      :type `eventType`: wx.EventType
      :param `splitter`: 
      :type `splitter`: wx.SplitterWindow







   .. method:: GetOldSize(self)

      Returns the old size before the update.                  

      The size value is already adjusted to the orientation of the sash. So for a vertical sash it's the width and for a horizontal sash it's the height. 

      May only be called while processing  ``wxEVT_SPLITTER_SASH_POS_CHANGING`` ,   ``wxEVT_SPLITTER_SASH_POS_RESIZE``   and   ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events.  
      May only be called while processing   ``wxEVT_SPLITTER_SASH_POS_CHANGING`` ,   ``wxEVT_SPLITTER_SASH_POS_RESIZE``   and   ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events.                   

      :rtype: `int`







      .. versionadded:: 4.1/wxWidgets-3.1.6  
         Returns the new size which is set after the update. The size value is already adjusted to the orientation of the sash. So for a vertical sash it's the width and for a horizontal sash it's the height.  







      .. versionadded:: 4.1/wxWidgets-3.1.6  
     








   .. method:: GetSashPosition(self)

      Returns the new sash position.                  

      May only be called while processing  ``wxEVT_SPLITTER_SASH_POS_CHANGING`` ,   ``wxEVT_SPLITTER_SASH_POS_RESIZE``   and   ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events.                   

      :rtype: `int`








   .. method:: GetWindowBeingRemoved(self)

      Returns a pointer to the window being removed when a splitter window is unsplit.                  

      May only be called while processing  ``wxEVT_SPLITTER_UNSPLIT``   events.                   

      :rtype: :ref:`wx.Window`








   .. method:: GetX(self)

      Returns the x coordinate of the double-click point.                  

      May only be called while processing  ``wxEVT_SPLITTER_DOUBLECLICKED``   events.                   

      :rtype: `int`








   .. method:: GetY(self)

      Returns the y coordinate of the double-click point.                  

      May only be called while processing  ``wxEVT_SPLITTER_DOUBLECLICKED``   events.                   

      :rtype: `int`








   .. method:: SetSashPosition(self, pos)

      In the case of  ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events, sets the new sash position.                   

      In the case of  ``wxEVT_SPLITTER_SASH_POS_CHANGING``   events, sets the new tracking bar position so visual feedback during dragging will represent that change that will actually take place. Set to -1 from the event handler code to prevent repositioning. 

      May only be called while processing  ``wxEVT_SPLITTER_SASH_POS_CHANGING`` ,   ``wxEVT_SPLITTER_SASH_POS_RESIZE``   and   ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events. 




      :param `pos`: New sash position.   
      :type `pos`: int




                  





   .. method:: SetSize(self, oldSize, newSize)

      Sets the size values of the window size.                  

      This size is adjusted to the sash orientation. For a vertical sash it should be the width and for a horizontal sash it's the height. 

      May only be called while processing  ``wxEVT_SPLITTER_SASH_POS_CHANGING`` ,   ``wxEVT_SPLITTER_SASH_POS_RESIZE``   and   ``wxEVT_SPLITTER_SASH_POS_CHANGED``   events.                   


      :param `oldSize`: 
      :type `oldSize`: int
      :param `newSize`: 
      :type `newSize`: int






      .. versionadded:: 4.1/wxWidgets-3.1.6  
     








   .. attribute:: OldSize

      See :meth:`~wx.SplitterEvent.GetOldSize`


   .. attribute:: SashPosition

      See :meth:`~wx.SplitterEvent.GetSashPosition` and :meth:`~wx.SplitterEvent.SetSashPosition`


   .. attribute:: WindowBeingRemoved

      See :meth:`~wx.SplitterEvent.GetWindowBeingRemoved`


   .. attribute:: X

      See :meth:`~wx.SplitterEvent.GetX`


   .. attribute:: Y

      See :meth:`~wx.SplitterEvent.GetY`

