.. wxPython Phoenix documentation
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Copyright: (c) 2011-2018 by Total Control Software
License: wxWindows License
.. include:: headings.inc
.. _wx.ListEvent:
==========================================================================================================================================
|phoenix_title| **wx.ListEvent**
==========================================================================================================================================
A list event holds information about events associated with :ref:`wx.ListCtrl` objects.
.. _ListEvent-events:
|events| Events Emitted by this Class
=====================================
Handlers bound for the following event types will receive a :ref:`wx.ListEvent` parameter.
- EVT_LIST_BEGIN_DRAG: Begin dragging with the left mouse button.
- EVT_LIST_BEGIN_RDRAG: Begin dragging with the right mouse button.
- EVT_LIST_BEGIN_LABEL_EDIT: Begin editing a label. This can be prevented by calling :meth:`~wx.NotifyEvent.Veto`
- EVT_LIST_END_LABEL_EDIT: Finish editing a label. This can be prevented by calling :meth:`~wx.NotifyEvent.Veto`
- EVT_LIST_DELETE_ITEM: Delete an item.
- EVT_LIST_DELETE_ALL_ITEMS: Delete all items.
- EVT_LIST_ITEM_SELECTED: The item has been selected.
- EVT_LIST_ITEM_DESELECTED: The item has been deselected.
- EVT_LIST_ITEM_ACTIVATED: The item has been activated (``ENTER`` or double click).
- EVT_LIST_ITEM_FOCUSED: The currently focused item has changed.
- EVT_LIST_ITEM_MIDDLE_CLICK: The middle mouse button has been clicked on an item.
- EVT_LIST_ITEM_RIGHT_CLICK: The right mouse button has been clicked on an item.
- EVT_LIST_KEY_DOWN: A key has been pressed. :meth:`~wx.ListEvent.GetIndex` may be -1 if no item is selected.
- EVT_LIST_INSERT_ITEM: An item has been inserted.
- EVT_LIST_COL_CLICK: A column (m_col) has been left-clicked.
- EVT_LIST_COL_RIGHT_CLICK: A column (m_col) (which can be -1 if the click occurred outside any column) has been right-clicked.
- EVT_LIST_COL_BEGIN_DRAG: The user started resizing a column - can be vetoed.
- EVT_LIST_COL_DRAGGING: The divider between columns is being dragged.
- EVT_LIST_COL_END_DRAG: A column has been resized by the user.
- EVT_LIST_CACHE_HINT: Prepare cache for a virtual list control
.. seealso:: :ref:`wx.ListCtrl`
|
|class_hierarchy| Class Hierarchy
=================================
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<img id="toggleBlock-trigger" src="_static/images/closed.png"/>
Inheritance diagram for class <strong>ListEvent</strong>:
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<div id="toggleBlock-summary" style="display:block;"></div>
<div id="toggleBlock-content" style="display:none;">
<p class="graphviz">
<center><img src="_static/images/inheritance/wx.ListEvent_inheritance.png" alt="Inheritance diagram of ListEvent" usemap="#dummy" class="inheritance"/></center>
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<map id="dummy" name="dummy"> <area shape="rect" id="node1" href="wx.ListEvent.html" title="A list event holds information about events associated with wx.ListCtrl objects." alt="" coords="28,315,135,344"/> <area shape="rect" id="node2" href="wx.NotifyEvent.html" title="This class is not used by the event handlers by itself, but is a base class for other event classes (such as wx.BookCtrlEvent)." alt="" coords="20,237,143,267"/> <area shape="rect" id="node3" href="wx.CommandEvent.html" title="This event class contains information about command events, which originate from a variety of simple controls." alt="" coords="5,160,157,189"/> <area shape="rect" id="node4" href="wx.Event.html" title="An event is a structure holding information about an event passed to a callback or member function." alt="" coords="40,83,123,112"/> <area shape="rect" id="node5" href="wx.Object.html" title="This is the root class of many of the wxWidgets classes." alt="" coords="37,5,125,35"/> </map>
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|
|method_summary| Methods Summary
================================
================================================================================ ================================================================================
:meth:`~wx.ListEvent.__init__` Constructor.
:meth:`~wx.ListEvent.GetCacheFrom` For ``EVT_LIST_CACHE_HINT`` event only: return the first item which the list control advises us to cache.
:meth:`~wx.ListEvent.GetCacheTo` For ``EVT_LIST_CACHE_HINT`` event only: return the last item (inclusive) which the list control advises us to cache.
:meth:`~wx.ListEvent.GetColumn` The column position: it is only used with ``COL`` events.
:meth:`~wx.ListEvent.GetData` The data.
:meth:`~wx.ListEvent.GetImage` The image.
:meth:`~wx.ListEvent.GetIndex` The item index.
:meth:`~wx.ListEvent.GetItem` An item object, used by some events.
:meth:`~wx.ListEvent.GetKeyCode` Key code if the event is a keypress event.
:meth:`~wx.ListEvent.GetLabel` The (new) item label for ``EVT_LIST_END_LABEL_EDIT`` event.
:meth:`~wx.ListEvent.GetMask` The mask.
:meth:`~wx.ListEvent.GetPoint` The position of the mouse pointer if the event is a drag event.
:meth:`~wx.ListEvent.GetText` The text.
:meth:`~wx.ListEvent.IsEditCancelled` This method only makes sense for ``EVT_LIST_END_LABEL_EDIT`` message and returns ``True`` if it the label editing has been cancelled by the user ( :meth:`~ListEvent.GetLabel` returns an empty string in this case but it doesn't allow the application to distinguish between really cancelling the edit and the admittedly rare case when the user wants to rename it to an empty string).
:meth:`~wx.ListEvent.SetCacheFrom`
:meth:`~wx.ListEvent.SetCacheTo`
:meth:`~wx.ListEvent.SetColumn`
:meth:`~wx.ListEvent.SetIndex`
:meth:`~wx.ListEvent.SetItem`
:meth:`~wx.ListEvent.SetKeyCode`
:meth:`~wx.ListEvent.SetPoint`
================================================================================ ================================================================================
|
|property_summary| Properties Summary
=====================================
================================================================================ ================================================================================
:attr:`~wx.ListEvent.CacheFrom` See :meth:`~wx.ListEvent.GetCacheFrom` and :meth:`~wx.ListEvent.SetCacheFrom`
:attr:`~wx.ListEvent.CacheTo` See :meth:`~wx.ListEvent.GetCacheTo` and :meth:`~wx.ListEvent.SetCacheTo`
:attr:`~wx.ListEvent.Column` See :meth:`~wx.ListEvent.GetColumn` and :meth:`~wx.ListEvent.SetColumn`
:attr:`~wx.ListEvent.Data` See :meth:`~wx.ListEvent.GetData`
:attr:`~wx.ListEvent.Image` See :meth:`~wx.ListEvent.GetImage`
:attr:`~wx.ListEvent.Index` See :meth:`~wx.ListEvent.GetIndex` and :meth:`~wx.ListEvent.SetIndex`
:attr:`~wx.ListEvent.Item` See :meth:`~wx.ListEvent.GetItem` and :meth:`~wx.ListEvent.SetItem`
:attr:`~wx.ListEvent.KeyCode` See :meth:`~wx.ListEvent.GetKeyCode` and :meth:`~wx.ListEvent.SetKeyCode`
:attr:`~wx.ListEvent.Label` See :meth:`~wx.ListEvent.GetLabel`
:attr:`~wx.ListEvent.Mask` See :meth:`~wx.ListEvent.GetMask`
:attr:`~wx.ListEvent.Point` See :meth:`~wx.ListEvent.GetPoint` and :meth:`~wx.ListEvent.SetPoint`
:attr:`~wx.ListEvent.Text` See :meth:`~wx.ListEvent.GetText`
================================================================================ ================================================================================
|
|api| Class API
===============
.. class:: wx.ListEvent(NotifyEvent)
**Possible constructors**::
ListEvent(commandType=wxEVT_NULL, id=0)
A list event holds information about events associated with ListCtrl
objects.
.. method:: __init__(self, commandType=wxEVT_NULL, id=0)
Constructor.
:param `commandType`:
:type `commandType`: wx.EventType
:param `id`:
:type `id`: int
.. method:: GetCacheFrom(self)
For ``EVT_LIST_CACHE_HINT`` event only: return the first item which the list control advises us to cache.
:rtype: `long`
.. method:: GetCacheTo(self)
For ``EVT_LIST_CACHE_HINT`` event only: return the last item (inclusive) which the list control advises us to cache.
:rtype: `long`
.. method:: GetColumn(self)
The column position: it is only used with ``COL`` events.
For the column dragging events, it is the column to the left of the divider being dragged, for the column click events it may be -1 if the user clicked in the list control header outside any column.
:rtype: `int`
.. method:: GetData(self)
The data.
:rtype: `wx.UIntPtr`
.. method:: GetImage(self)
The image.
:rtype: `int`
.. method:: GetIndex(self)
The item index.
:rtype: `long`
.. method:: GetItem(self)
An item object, used by some events.
See also :meth:`wx.ListCtrl.SetItem` .
:rtype: :ref:`wx.ListItem`
.. method:: GetKeyCode(self)
Key code if the event is a keypress event.
:rtype: `int`
.. method:: GetLabel(self)
The (new) item label for ``EVT_LIST_END_LABEL_EDIT`` event.
:rtype: `string`
.. method:: GetMask(self)
The mask.
:rtype: `long`
.. method:: GetPoint(self)
The position of the mouse pointer if the event is a drag event.
:rtype: :ref:`wx.Point`
.. method:: GetText(self)
The text.
:rtype: `string`
.. method:: IsEditCancelled(self)
This method only makes sense for ``EVT_LIST_END_LABEL_EDIT`` message and returns ``True`` if it the label editing has been cancelled by the user ( :meth:`GetLabel` returns an empty string in this case but it doesn't allow the application to distinguish between really cancelling the edit and the admittedly rare case when the user wants to rename it to an empty string).
:rtype: `bool`
.. method:: SetCacheFrom(self, cacheFrom)
:param `cacheFrom`:
:type `cacheFrom`: long
.. seealso:: :meth:`GetCacheFrom`
.. method:: SetCacheTo(self, cacheTo)
:param `cacheTo`:
:type `cacheTo`: long
.. seealso:: :meth:`GetCacheTo`
.. method:: SetColumn(self, col)
:param `col`:
:type `col`: int
.. seealso:: :meth:`GetColumn`
.. method:: SetIndex(self, index)
:param `index`:
:type `index`: long
.. seealso:: :meth:`GetIndex`
.. method:: SetItem(self, item)
:param `item`:
:type `item`: wx.ListItem
.. seealso:: :meth:`GetItem`
.. method:: SetKeyCode(self, code)
:param `code`:
:type `code`: int
.. seealso:: :meth:`GetKeyCode`
.. method:: SetPoint(self, point)
:param `point`:
:type `point`: wx.Point
.. seealso:: :meth:`GetPoint`
.. attribute:: CacheFrom
See :meth:`~wx.ListEvent.GetCacheFrom` and :meth:`~wx.ListEvent.SetCacheFrom`
.. attribute:: CacheTo
See :meth:`~wx.ListEvent.GetCacheTo` and :meth:`~wx.ListEvent.SetCacheTo`
.. attribute:: Column
See :meth:`~wx.ListEvent.GetColumn` and :meth:`~wx.ListEvent.SetColumn`
.. attribute:: Data
See :meth:`~wx.ListEvent.GetData`
.. attribute:: Image
See :meth:`~wx.ListEvent.GetImage`
.. attribute:: Index
See :meth:`~wx.ListEvent.GetIndex` and :meth:`~wx.ListEvent.SetIndex`
.. attribute:: Item
See :meth:`~wx.ListEvent.GetItem` and :meth:`~wx.ListEvent.SetItem`
.. attribute:: KeyCode
See :meth:`~wx.ListEvent.GetKeyCode` and :meth:`~wx.ListEvent.SetKeyCode`
.. attribute:: Label
See :meth:`~wx.ListEvent.GetLabel`
.. attribute:: Mask
See :meth:`~wx.ListEvent.GetMask`
.. attribute:: Point
See :meth:`~wx.ListEvent.GetPoint` and :meth:`~wx.ListEvent.SetPoint`
.. attribute:: Text
See :meth:`~wx.ListEvent.GetText`