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   License:   wxWindows License

.. include:: headings.inc

.. currentmodule:: wx.lib.agw.hypertreelist

.. highlight:: python



.. _wx.lib.agw.hypertreelist.TreeListHeaderWindow:

==========================================================================================================================================
|phoenix_title|  **wx.lib.agw.hypertreelist.TreeListHeaderWindow**
==========================================================================================================================================

A window which holds the header of :class:`HyperTreeList`. 



|

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

.. raw:: html

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   <img id="toggleBlock-trigger" src="_static/images/closed.png"/>
   Inheritance diagram for class <strong>TreeListHeaderWindow</strong>:
   </div>
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   <p class="graphviz">
   <center><img src="_static/images/inheritance/wx.lib.agw.hypertreelist.TreeListHeaderWindow_inheritance.png" alt="Inheritance diagram of TreeListHeaderWindow" usemap="#dummy" class="inheritance"/></center>
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   </p>

|


|super_classes| Known Superclasses
==================================

:class:`wx.Window`

|


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

================================================================================ ================================================================================
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.__init__`                  Default class constructor.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.AddColumn`                 Appends a column to the :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.AddColumnInfo`             Appends a column to the :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.AdjustDC`                  Shifts the :class:`wx.DC` origin to match the position of the main window horizontal
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.DrawCurrent`               Draws the column resize line on a :class:`ScreenDC`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumn`                 Returns a column item, an instance of :class:`TreeListItem`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumnAlignment`        Returns the column text alignment.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumnColour`           Returns the column text colour.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumnCount`            Returns the total number of columns.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumnText`             Returns the column text label.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetColumnWidth`            Returns the column width, in pixels.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.GetWidth`                  Returns the total width of all columns.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.InsertColumn`              Inserts a column to the :class:`TreeListHeaderWindow` at the position specified
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.InsertColumnInfo`          Inserts a column to the :class:`TreeListHeaderWindow` at the position specified
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.IsColumnEditable`          Returns ``True`` if the column is editable, ``False`` otherwise.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.IsColumnShown`             Returns ``True`` if the column is shown, ``False`` if it is hidden.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.OnMouse`                   Handles the ``wx.EVT_MOUSE_EVENTS`` event for :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.OnPaint`                   Handles the ``wx.EVT_PAINT`` event for :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.OnSetFocus`                Handles the ``wx.EVT_SET_FOCUS`` event for :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.RefreshColLabel`           Redraws the column.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.RemoveColumn`              Removes a column from the :class:`TreeListHeaderWindow`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SendListEvent`             Sends a :class:`ListEvent` for the parent window.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetBuffered`               Sets/unsets the double buffering for the header.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetColumn`                 Sets a column using an instance of :class:`TreeListColumnInfo`.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetColumnAlignment`        Sets the column text alignment.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetColumnColour`           Sets the column text colour.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetColumnText`             Sets the column text label.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetColumnWidth`            Sets the column width, in pixels.
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.SetCustomRenderer`         Associate a custom renderer with the header - all columns will use it
:meth:`~wx.lib.agw.hypertreelist.TreeListHeaderWindow.XToCol`                    Returns the column that corresponds to the logical input `x` coordinate.
================================================================================ ================================================================================


|


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


.. class:: TreeListHeaderWindow(wx.Window)

   A window which holds the header of :class:`HyperTreeList`. 

   .. method:: __init__(self, parent, id=wx.ID_ANY, owner=None, pos=wx.DefaultPosition, size=wx.DefaultSize, style=0, name="wxtreelistctrlcolumntitles")

      Default class constructor.
      
      :param `parent`: the window parent. Must not be ``None``;
      :param `id`: window identifier. A value of -1 indicates a default value;
      :param `owner`: the window owner, in this case an instance of :class:`TreeListMainWindow`;
      :param `pos`: the control position. A value of (-1, -1) indicates a default position,
       chosen by either the windowing system or wxPython, depending on platform;
      :param `size`: the control size. A value of (-1, -1) indicates a default size,
       chosen by either the windowing system or wxPython, depending on platform;
      :param `style`: the window style;
      :param `name`: the window name.


   .. method:: AddColumn(self, text, width=_DEFAULT_COL_WIDTH, flag=wx.ALIGN_LEFT, image=-1, shown=True, colour=None, edit=False)

      Appends a column to the :class:`TreeListHeaderWindow`.
      
      :param `text`: the column text label;
      :param `width`: the column width in pixels;
      :param `flag`: the column alignment flag, one of ``wx.ALIGN_LEFT``,
       ``wx.ALIGN_RIGHT``, ``wx.ALIGN_CENTER``;
      :param `image`: an index within the normal image list assigned to
       :class:`HyperTreeList` specifying the image to use for the column;
      :param `shown`: ``True`` to show the column, ``False`` to hide it;
      :param `colour`: a valid :class:`wx.Colour`, representing the text foreground colour
       for the column;
      :param `edit`: ``True`` to set the column as editable, ``False`` otherwise.


   .. method:: AddColumnInfo(self, colInfo)

      Appends a column to the :class:`TreeListHeaderWindow`.
      
      :param `colInfo`: an instance of :class:`TreeListColumnInfo`.


   .. method:: AdjustDC(self, dc)

      Shifts the :class:`wx.DC` origin to match the position of the main window horizontal
      scrollbar: this allows us to always use logical coordinates.
      
      :param `dc`: an instance of :class:`wx.DC`.


   .. method:: DrawCurrent(self)

      Draws the column resize line on a :class:`ScreenDC`. 


   .. method:: GetColumn(self, column)

      Returns a column item, an instance of :class:`TreeListItem`.
      
      :param `column`: an integer specifying the column index.


   .. method:: GetColumnAlignment(self, column)

      Returns the column text alignment.
      
      :param `column`: an integer specifying the column index.


   .. method:: GetColumnColour(self, column)

      Returns the column text colour.
      
      :param `column`: an integer specifying the column index.


   .. method:: GetColumnCount(self)

      Returns the total number of columns. 


   .. method:: GetColumnText(self, column)

      Returns the column text label.
      
      :param `column`: an integer specifying the column index.


   .. method:: GetColumnWidth(self, column)

      Returns the column width, in pixels.
      
      :param `column`: an integer specifying the column index.


   .. method:: GetWidth(self)

      Returns the total width of all columns. 


   .. method:: InsertColumn(self, before, text, width=_DEFAULT_COL_WIDTH, flag=wx.ALIGN_LEFT, image=-1, shown=True, colour=None, edit=False)

      Inserts a column to the :class:`TreeListHeaderWindow` at the position specified
      by `before`.
      
      :param `before`: the index at which we wish to insert the new column;
      :param `text`: the column text label;
      :param `width`: the column width in pixels;
      :param `flag`: the column alignment flag, one of ``wx.ALIGN_LEFT``,
       ``wx.ALIGN_RIGHT``, ``wx.ALIGN_CENTER``;
      :param `image`: an index within the normal image list assigned to
       :class:`HyperTreeList` specifying the image to use for the column;
      :param `shown`: ``True`` to show the column, ``False`` to hide it;
      :param `colour`: a valid :class:`wx.Colour`, representing the text foreground colour
       for the column;
      :param `edit`: ``True`` to set the column as editable, ``False`` otherwise.


   .. method:: InsertColumnInfo(self, before, colInfo)

      Inserts a column to the :class:`TreeListHeaderWindow` at the position specified
      by `before`.
      
      :param `before`: the index at which we wish to insert the new column;
      :param `colInfo`: an instance of :class:`TreeListColumnInfo`.


   .. method:: IsColumnEditable(self, column)

      Returns ``True`` if the column is editable, ``False`` otherwise.
      
      :param `column`: an integer specifying the column index.


   .. method:: IsColumnShown(self, column)

      Returns ``True`` if the column is shown, ``False`` if it is hidden.
      
      :param `column`: an integer specifying the column index.


   .. method:: OnMouse(self, event)

      Handles the ``wx.EVT_MOUSE_EVENTS`` event for :class:`TreeListHeaderWindow`.
      
      :param `event`: a :class:`MouseEvent` event to be processed.


   .. method:: OnPaint(self, event)

      Handles the ``wx.EVT_PAINT`` event for :class:`TreeListHeaderWindow`.
      
      :param `event`: a :class:`PaintEvent` event to be processed.


   .. method:: OnSetFocus(self, event)

      Handles the ``wx.EVT_SET_FOCUS`` event for :class:`TreeListHeaderWindow`.
      
      :param `event`: a :class:`FocusEvent` event to be processed.


   .. method:: RefreshColLabel(self, col)

      Redraws the column.
      
      :param `col`: the index of the column to redraw.


   .. method:: RemoveColumn(self, column)

      Removes a column from the :class:`TreeListHeaderWindow`.
      
      :param `column`: an integer specifying the column index.


   .. method:: SendListEvent(self, evtType, pos)

      Sends a :class:`ListEvent` for the parent window.
      
      :param `evtType`: the event type;
      :param `pos`: an instance of :class:`wx.Point`.


   .. method:: SetBuffered(self, buffered)

      Sets/unsets the double buffering for the header.
      
      :param `buffered`: ``True`` to use double-buffering, ``False`` otherwise.
      
      :note: Currently we are using double-buffering only on Windows XP.


   .. method:: SetColumn(self, column, info)

      Sets a column using an instance of :class:`TreeListColumnInfo`.
      
      :param `column`: an integer specifying the column index;
      :param `info`: an instance of :class:`TreeListColumnInfo`.


   .. method:: SetColumnAlignment(self, column, flag)

      Sets the column text alignment.
      
      :param `column`: an integer specifying the column index;
      :param `flag`: the new text alignment flag.
      
      :see: :meth:`TreeListColumnInfo.SetAlignment() <TreeListColumnInfo.SetAlignment>` for a list of valid alignment
       flags.


   .. method:: SetColumnColour(self, column, colour)

      Sets the column text colour.
      
      :param `column`: an integer specifying the column index;
      :param `colour`: a valid :class:`wx.Colour` object.


   .. method:: SetColumnText(self, column, text)

      Sets the column text label.
      
      :param `column`: an integer specifying the column index;
      :param `text`: the new column label.


   .. method:: SetColumnWidth(self, column, width)

      Sets the column width, in pixels.
      
      :param `column`: an integer specifying the column index;
      :param `width`: the new width for the column, in pixels.


   .. method:: SetCustomRenderer(self, renderer=None)

      Associate a custom renderer with the header - all columns will use it
      
      :param `renderer`: a class able to correctly render header buttons
      
      :note: the renderer class **must** implement the method `DrawHeaderButton`


   .. method:: XToCol(self, x)

      Returns the column that corresponds to the logical input `x` coordinate.
      
      :param `x`: the `x` position to evaluate.
      
      :return: The column that corresponds to the logical input `x` coordinate,
       or ``wx.NOT_FOUND`` if there is no column at the `x` position.


