3f66f6a5b3
This keyword is not expanded by Git which means it's not replaced with the correct revision value in the releases made using git-based scripts and it's confusing to have lines with unexpanded "$Id$" in the released files. As expanding them with Git is not that simple (it could be done with git archive and export-subst attribute) and there are not many benefits in having them in the first place, just remove all these lines. If nothing else, this will make an eventual transition to Git simpler. Closes #14487. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
101 lines
3.6 KiB
C++
101 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/selstore.h
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// Purpose: wxSelectionStore stores selected items in a control
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 08.06.03 (extracted from src/generic/listctrl.cpp)
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// Copyright: (c) 2000-2003 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_SELSTORE_H_
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#define _WX_SELSTORE_H_
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#include "wx/dynarray.h"
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// ----------------------------------------------------------------------------
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// wxSelectedIndices is just a sorted array of indices
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// ----------------------------------------------------------------------------
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inline int CMPFUNC_CONV wxUIntCmp(unsigned n1, unsigned n2)
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{
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return (int)(n1 - n2);
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}
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WX_DEFINE_SORTED_EXPORTED_ARRAY_CMP_INT(unsigned, wxUIntCmp, wxSelectedIndices);
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// ----------------------------------------------------------------------------
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// wxSelectionStore is used to store the selected items in the virtual
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// controls, i.e. it is well suited for storing even when the control contains
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// a huge (practically infinite) number of items.
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//
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// Of course, internally it still has to store the selected items somehow (as
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// an array currently) but the advantage is that it can handle the selection
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// of all items (common operation) efficiently and that it could be made even
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// smarter in the future (e.g. store the selections as an array of ranges +
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// individual items) without changing its API.
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSelectionStore
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{
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public:
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wxSelectionStore() : m_itemsSel(wxUIntCmp) { Init(); }
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// set the total number of items we handle
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void SetItemCount(unsigned count);
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// special case of SetItemCount(0)
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void Clear() { m_itemsSel.Clear(); m_count = 0; m_defaultState = false; }
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// must be called when a new item is inserted/added
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void OnItemAdd(unsigned WXUNUSED(item)) { wxFAIL_MSG( wxT("TODO") ); }
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// must be called when an item is deleted
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void OnItemDelete(unsigned item);
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// select one item, use SelectRange() insted if possible!
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//
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// returns true if the items selection really changed
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bool SelectItem(unsigned item, bool select = true);
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// select the range of items (inclusive)
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//
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// return true and fill the itemsChanged array with the indices of items
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// which have changed state if "few" of them did, otherwise return false
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// (meaning that too many items changed state to bother counting them
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// individually)
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bool SelectRange(unsigned itemFrom, unsigned itemTo,
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bool select = true,
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wxArrayInt *itemsChanged = NULL);
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// return true if the given item is selected
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bool IsSelected(unsigned item) const;
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// return the total number of selected items
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unsigned GetSelectedCount() const
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{
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return m_defaultState ? m_count - m_itemsSel.GetCount()
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: m_itemsSel.GetCount();
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}
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private:
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// (re)init
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void Init() { m_defaultState = false; }
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// the total number of items we handle
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unsigned m_count;
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// the default state: normally, false (i.e. off) but maybe set to true if
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// there are more selected items than non selected ones - this allows to
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// handle selection of all items efficiently
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bool m_defaultState;
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// the array of items whose selection state is different from default
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wxSelectedIndices m_itemsSel;
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wxDECLARE_NO_COPY_CLASS(wxSelectionStore);
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};
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#endif // _WX_SELSTORE_H_
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