258836fa25
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23336 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
721 lines
22 KiB
C++
721 lines
22 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/os2/treectrl.h
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// Purpose: wxTreeCtrl class
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// Author: David Webster
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// Modified by:
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// Created: 01/23/03
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// RCS-ID: $Id$
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// Copyright: (c) David Webster
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_TREECTRL_H_
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#define _WX_TREECTRL_H_
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma interface "treectrl.h"
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#endif
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#if wxUSE_TREECTRL
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#include "wx/textctrl.h"
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#include "wx/dynarray.h"
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#include "wx/treebase.h"
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#include "wx/hashmap.h"
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// the type for "untyped" data
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typedef long wxDataType;
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// fwd decl
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class WXDLLEXPORT wxImageList;
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class WXDLLEXPORT wxDragImage;
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struct WXDLLEXPORT wxTreeViewItem;
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// a callback function used for sorting tree items, it should return -1 if the
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// first item precedes the second, +1 if the second precedes the first or 0 if
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// they're equivalent
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class wxTreeItemData;
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// flags for deprecated `Expand(int action)'
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enum
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{
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wxTREE_EXPAND_EXPAND,
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wxTREE_EXPAND_COLLAPSE,
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wxTREE_EXPAND_COLLAPSE_RESET,
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wxTREE_EXPAND_TOGGLE
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};
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// flags for deprecated InsertItem() variant
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#define wxTREE_INSERT_FIRST 0xFFFF0001
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#define wxTREE_INSERT_LAST 0xFFFF0002
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// hash storing attributes for our items
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WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr);
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// ----------------------------------------------------------------------------
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// wxTreeCtrl
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTreeCtrl : public wxControl
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{
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public:
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// creation
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// --------
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wxTreeCtrl() { Init(); }
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wxTreeCtrl( wxWindow* pParent
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,wxWindowID vId = -1
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,const wxPoint& rPos = wxDefaultPosition
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,const wxSize& rSize = wxDefaultSize
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,long lStyle = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
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,const wxValidator& rValidator = wxDefaultValidator
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,const wxString& rsName = wxTreeCtrlNameStr
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)
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{
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Create( pParent
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,vId
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,rPos
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,rSize
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,lStyle
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,rValidator
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,rsName
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);
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}
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virtual ~wxTreeCtrl();
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bool Create( wxWindow* pParent
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,wxWindowID vId = -1
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,const wxPoint& rPos = wxDefaultPosition
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,const wxSize& rSize = wxDefaultSize
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,long lStyle = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT
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,const wxValidator& rValidator = wxDefaultValidator
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,const wxString& rsName = wxTreeCtrlNameStr
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);
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//
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// Accessors
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// ---------
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//
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//
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// Get the total number of items in the control
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//
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size_t GetCount(void) const;
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//
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// Indent is the number of pixels the children are indented relative to
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// the parents position. SetIndent() also redraws the control
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// immediately.
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//
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unsigned int GetIndent(void) const;
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void SetIndent(unsigned int uIndent);
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//
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// Spacing is the number of pixels between the start and the Text
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//
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unsigned int GetSpacing(void) const { return 18; } // return wxGTK default
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void SetSpacing(unsigned int uSpacing) { }
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//
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// Image list: these functions allow to associate an image list with
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// the control and retrieve it. Note that the control does _not_ delete
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// the associated image list when it's deleted in order to allow image
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// lists to be shared between different controls.
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//
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// OS/2 doesn't really use imagelists as MSW does, but since the MSW
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// control is the basis for this one, until I decide how to get rid of
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// the need for them they are here for now.
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//
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wxImageList* GetImageList(void) const;
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wxImageList* GetStateImageList(void) const;
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void AssignImageList(wxImageList* pImageList);
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void AssignStateImageList(wxImageList* pImageList);
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void SetImageList(wxImageList* pImageList);
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void SetStateImageList(wxImageList* pImageList);
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//
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// Functions to work with tree ctrl items. Unfortunately, they can _not_ be
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// member functions of wxTreeItem because they must know the tree the item
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// belongs to for Windows implementation and storing the pointer to
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// wxTreeCtrl in each wxTreeItem is just too much waste.
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//
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// Item's label
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//
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wxString GetItemText(const wxTreeItemId& rItem) const;
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void SetItemText( const wxTreeItemId& rItem
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,const wxString& rsText
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);
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//
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// One of the images associated with the item (normal by default)
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//
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int GetItemImage( const wxTreeItemId& rItem
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,wxTreeItemIcon vWhich = wxTreeItemIcon_Normal
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) const;
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void SetItemImage( const wxTreeItemId& rItem
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,int nImage
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,wxTreeItemIcon vWhich = wxTreeItemIcon_Normal
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);
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//
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// Data associated with the item
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//
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wxTreeItemData* GetItemData(const wxTreeItemId& rItem) const;
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void SetItemData( const wxTreeItemId& rItem
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,wxTreeItemData* pData
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);
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//
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// Item's text colour
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//
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wxColour GetItemTextColour(const wxTreeItemId& rItem) const;
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void SetItemTextColour( const wxTreeItemId& rItem
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,const wxColour& rColor
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);
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//
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// Item's background colour
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//
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wxColour GetItemBackgroundColour(const wxTreeItemId& rItem) const;
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void SetItemBackgroundColour( const wxTreeItemId& rItem
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,const wxColour& rColour
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);
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//
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// Item's font
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//
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wxFont GetItemFont(const wxTreeItemId& rItem) const;
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void SetItemFont( const wxTreeItemId& rItem
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,const wxFont& rFont
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);
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//
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// Force appearance of [+] button near the item. This is useful to
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// allow the user to expand the items which don't have any children now
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// - but instead add them only when needed, thus minimizing memory
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// usage and loading time.
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//
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void SetItemHasChildren( const wxTreeItemId& rItem
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,bool bHas = TRUE
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);
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//
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// The item will be shown in bold
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//
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void SetItemBold( const wxTreeItemId& rItem
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,bool bBold = TRUE
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);
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//
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// The item will be shown with a drop highlight
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//
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void SetItemDropHighlight( const wxTreeItemId& rItem
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,bool bHighlight = TRUE
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);
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//
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// Item status inquiries
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// ---------------------
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//
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//
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// Is the item visible (it might be outside the view or not expanded)?
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//
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bool IsVisible(const wxTreeItemId& rItem) const;
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//
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// Does the item has any children?
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//
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bool ItemHasChildren(const wxTreeItemId& rItem) const;
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//
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// Is the item expanded (only makes sense if HasChildren())?
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//
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bool IsExpanded(const wxTreeItemId& rItem) const;
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//
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// Is this item currently selected (the same as has focus)?
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//
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bool IsSelected(const wxTreeItemId& rItem) const;
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//
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// Is item text in bold font?
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//
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bool IsBold(const wxTreeItemId& rItem) const;
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//
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// Number of children
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// ------------------
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//
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//
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// If 'recursively' is FALSE, only immediate children count, otherwise
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// the returned number is the number of all items in this branch
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//
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size_t GetChildrenCount( const wxTreeItemId& rItem
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,bool bRecursively = TRUE
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) const;
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//
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// Navigation
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// ----------
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//
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//
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// Get the root tree item
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//
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wxTreeItemId GetRootItem(void) const;
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//
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// Get the item currently selected (may return NULL if no selection)
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//
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wxTreeItemId GetSelection(void) const;
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//
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// Get the items currently selected, return the number of such item
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//
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size_t GetSelections(wxArrayTreeItemIds& rSelections) const;
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//
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// Get the parent of this item (may return NULL if root)
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//
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wxTreeItemId GetItemParent(const wxTreeItemId& rItem) const;
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#if WXWIN_COMPATIBILITY_2_2
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// deprecated: Use GetItemParent instead.
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wxTreeItemId GetParent(const wxTreeItemId& rItem) const
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{ return GetItemParent(rItem); }
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// Expose the base class method hidden by the one above.
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wxWindow* GetParent(void) const { return wxControl::GetParent(); }
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#endif // WXWIN_COMPATIBILITY_2_2
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// for this enumeration function you must pass in a "cookie" parameter
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// which is opaque for the application but is necessary for the library
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// to make these functions reentrant (i.e. allow more than one
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// enumeration on one and the same object simultaneously). Of course,
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// the "cookie" passed to GetFirstChild() and GetNextChild() should be
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// the same!
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// get the first child of this item
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wxTreeItemId GetFirstChild(const wxTreeItemId& item,
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wxTreeItemIdValue& cookie) const;
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// get the next child
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wxTreeItemId GetNextChild(const wxTreeItemId& item,
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wxTreeItemIdValue& cookie) const;
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//
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// Get the last child of this item - this method doesn't use cookies
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//
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wxTreeItemId GetLastChild(const wxTreeItemId& rItem) const;
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//
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// Get the next sibling of this item
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//
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wxTreeItemId GetNextSibling(const wxTreeItemId& rItem) const;
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//
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// Get the previous sibling
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//
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wxTreeItemId GetPrevSibling(const wxTreeItemId& rItem) const;
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//
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// Get first visible item
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//
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wxTreeItemId GetFirstVisibleItem(void) const;
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//
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// Get the next visible item: item must be visible itself!
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// see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
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//
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wxTreeItemId GetNextVisible(const wxTreeItemId& rItem) const;
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//
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// Get the previous visible item: item must be visible itself!
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//
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wxTreeItemId GetPrevVisible(const wxTreeItemId& rItem) const;
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//
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// Operations
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// ----------
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//
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//
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// Add the root node to the tree
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//
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wxTreeItemId AddRoot( const wxString& rsText
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,int nImage = -1
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,int nSelectedImage = -1
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,wxTreeItemData* pData = NULL
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);
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//
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// Insert a new item in as the first child of the parent
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//
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wxTreeItemId PrependItem( const wxTreeItemId& rParent
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,const wxString& rsText
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,int nImage = -1
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,int nSelectedImage = -1
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,wxTreeItemData* pData = NULL
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);
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//
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// Insert a new item after a given one
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//
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wxTreeItemId InsertItem( const wxTreeItemId& rParent
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,const wxTreeItemId& rIdPrevious
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,const wxString& rsText
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,int nImage = -1
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,int nSelectedImage = -1
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,wxTreeItemData* pData = NULL
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);
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//
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// Insert a new item before the one with the given index
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//
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wxTreeItemId InsertItem( const wxTreeItemId& pParent
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,size_t nIndex
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,const wxString& rsText
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,int nImage = -1
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,int nSelectedImage = -1
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,wxTreeItemData* pData = NULL
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);
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//
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// Insert a new item in as the last child of the parent
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//
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wxTreeItemId AppendItem( const wxTreeItemId& rParent
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,const wxString& rsText
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,int nImage = -1
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,int nSelectedImage = -1
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,wxTreeItemData* pData = NULL
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);
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//
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// Delete this item and associated data if any
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//
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void Delete(const wxTreeItemId& rItem);
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//
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// Delete all children (but don't delete the item itself)
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//
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void DeleteChildren(const wxTreeItemId& rItem);
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//
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// Delete all items from the tree
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//
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void DeleteAllItems(void);
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//
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// Expand this item
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//
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void Expand(const wxTreeItemId& rItem);
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//
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// Collapse the item without removing its children
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//
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void Collapse(const wxTreeItemId& rItem);
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//
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// Collapse the item and remove all children
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//
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void CollapseAndReset(const wxTreeItemId& rItem);
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//
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// Toggles the current state
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//
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void Toggle(const wxTreeItemId& rItem);
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//
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// Remove the selection from currently selected item (if any)
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//
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void Unselect(void);
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//
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// Unselect all items (only makes sense for multiple selection control)
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//
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void UnselectAll(void);
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//
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// Select this item
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//
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void SelectItem(const wxTreeItemId& rItem);
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//
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// Make sure this item is visible (expanding the parent item and/or
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// scrolling to this item if necessary)
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//
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void EnsureVisible(const wxTreeItemId& rItem);
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//
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// Scroll to this item (but don't expand its parent)
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//
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void ScrollTo(const wxTreeItemId& rItem);
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//
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// OS/2 does not use a separate edit field for editting text. Here for
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// interface compatibility, only.
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//
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wxTextCtrl* EditLabel( const wxTreeItemId& rItem
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,wxClassInfo* pTextCtrlClass = CLASSINFO(wxTextCtrl)
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);
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//
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// returns NULL for OS/2 in ALL cases
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//
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wxTextCtrl* GetEditControl(void) const {return (wxTextCtrl*)NULL;}
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//
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// End editing and accept or discard the changes to item label
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//
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void EndEditLabel( const wxTreeItemId& rItem
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,bool bDiscardChanges = FALSE
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);
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//
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// Sorting
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// -------
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//
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//
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// This function is called to compare 2 items and should return -1, 0
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// or +1 if the first item is less than, equal to or greater than the
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// second one. The base class version performs alphabetic comparaison
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// of item labels (GetText)
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//
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virtual int OnCompareItems( const wxTreeItemId& rItem1
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,const wxTreeItemId& rItem2
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);
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//
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// Sort the children of this item using OnCompareItems
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//
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void SortChildren(const wxTreeItemId& rItem);
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//
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// Helpers
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// -------
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//
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//
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// Determine to which item (if any) belongs the given point (the
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// coordinates specified are relative to the client area of tree ctrl)
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// and fill the flags parameter with a bitmask of wxTREE_HITTEST_xxx
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// constants.
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//
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// The first function is more portable (because easier to implement
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// on other platforms), but the second one returns some extra info.
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//
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wxTreeItemId HitTest(const wxPoint& rPoint)
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{ int nDummy = 0; return HitTest(rPoint, nDummy); }
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wxTreeItemId HitTest( const wxPoint& rPoint
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,int& rFlags
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);
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|
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//
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// Get the bounding rectangle of the item (or of its label only)
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//
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bool GetBoundingRect( const wxTreeItemId& rItem
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,wxRect& rRect
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,bool bTextOnly = FALSE
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) const;
|
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|
|
//
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// Deprecated
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// ----------
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|
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#if WXWIN_COMPATIBILITY_2_4
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// These methods are deprecated and will be removed in future versions of
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// wxWindows, they're here for compatibility only, don't use them in new
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// code (the comments indicate why these methods are now useless and how to
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// replace them)
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//
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//
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// Use Expand, Collapse, CollapseAndReset or Toggle
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//
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wxDEPRECATED( void ExpandItem( const wxTreeItemId& rItem
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,int nAction
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) );
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//
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// Use AddRoot, PrependItem or AppendItem
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//
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wxDEPRECATED( wxTreeItemId InsertItem( const wxTreeItemId& pParent
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,const wxString& rsText
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,int nImage = -1
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,int nSelImage = -1
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,long lInsertAfter = wxTREE_INSERT_LAST
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) );
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//
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// Use Set/GetImageList and Set/GetStateImageList
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//
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wxImageList* GetImageList(int nVal) const
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{ return GetImageList(); }
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void SetImageList(wxImageList* pImageList, int nVal)
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{ SetImageList(pImageList); }
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|
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//
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// Use Set/GetItemImage directly
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//
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int GetItemSelectedImage(const wxTreeItemId& rItem) const
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{ return GetItemImage(rItem, wxTreeItemIcon_Selected); }
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void SetItemSelectedImage(const wxTreeItemId& rItem, int nImage)
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{ SetItemImage(rItem, nImage, wxTreeItemIcon_Selected); }
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//
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|
// For this enumeration function you must pass in a "cookie" parameter
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|
// which is opaque for the application but is necessary for the library
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|
// to make these functions reentrant (i.e. allow more than one
|
|
// enumeration on one and the same object simultaneously). Of course,
|
|
// the "cookie" passed to GetFirstChild() and GetNextChild() should be
|
|
// the same!
|
|
//
|
|
|
|
//
|
|
// Get the first child of this item
|
|
//
|
|
wxDEPRECATED( wxTreeItemId GetFirstChild( const wxTreeItemId& rItem
|
|
,long& rCookie
|
|
) const );
|
|
|
|
//
|
|
// Get the next child
|
|
//
|
|
wxDEPRECATED( wxTreeItemId GetNextChild( const wxTreeItemId& rItem
|
|
,long& rCookie
|
|
) const );
|
|
#endif // WXWIN_COMPATIBILITY_2_4
|
|
|
|
//
|
|
// Implementation
|
|
// --------------
|
|
//
|
|
|
|
virtual MRESULT OS2WindowProc( WXUINT uMsg
|
|
,WXWPARAM wParam
|
|
,WXLPARAM lParam
|
|
);
|
|
virtual bool OS2Command( WXUINT uParam
|
|
,WXWORD wId
|
|
);
|
|
// virtual bool OMSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
|
|
|
|
//
|
|
// Override some base class virtuals
|
|
//
|
|
virtual bool SetBackgroundColour(const wxColour& rColour);
|
|
virtual bool SetForegroundColour(const wxColour& rColour);
|
|
|
|
//
|
|
// Get/set the check state for the item (only for wxTR_MULTIPLE)
|
|
//
|
|
bool IsItemChecked(const wxTreeItemId& rItem) const;
|
|
void SetItemCheck( const wxTreeItemId& rItem
|
|
,bool bCheck = TRUE
|
|
);
|
|
|
|
protected:
|
|
//
|
|
// SetImageList helper
|
|
//
|
|
void SetAnyImageList( wxImageList* pImageList
|
|
,int nWhich
|
|
);
|
|
|
|
//
|
|
// Refresh a single item
|
|
//
|
|
void RefreshItem(const wxTreeItemId& rItem);
|
|
|
|
wxImageList* m_pImageListNormal; // images for tree elements
|
|
wxImageList* m_pImageListState; // special images for app defined states
|
|
bool m_bOwnsImageListNormal;
|
|
bool m_bOwnsImageListState;
|
|
|
|
private:
|
|
|
|
//
|
|
// The common part of all ctors
|
|
//
|
|
void Init(void);
|
|
|
|
//
|
|
// Helper functions
|
|
//
|
|
inline bool DoGetItem(wxTreeViewItem* pTvItem) const;
|
|
inline void DoSetItem(wxTreeViewItem* pTvItem);
|
|
|
|
inline void DoExpand( const wxTreeItemId& rItem
|
|
,int nFlag
|
|
);
|
|
wxTreeItemId DoInsertItem( const wxTreeItemId& pParent
|
|
,wxTreeItemId hInsertAfter
|
|
,const wxString& rsText
|
|
,int nImage
|
|
,int nSelectedImage
|
|
,wxTreeItemData* pData
|
|
);
|
|
int DoGetItemImageFromData( const wxTreeItemId& rItem
|
|
,wxTreeItemIcon vWhich
|
|
) const;
|
|
void DoSetItemImageFromData( const wxTreeItemId& rItem
|
|
,int nImage
|
|
,wxTreeItemIcon vWhich
|
|
) const;
|
|
void DoSetItemImages( const wxTreeItemId& rItem
|
|
,int nImage
|
|
,int nImageSel
|
|
);
|
|
void DeleteTextCtrl() { };
|
|
|
|
//
|
|
// support for additional item images which we implement using
|
|
// wxTreeItemIndirectData technique - see the comments in msw/treectrl.cpp
|
|
//
|
|
void SetIndirectItemData( const wxTreeItemId& rItem
|
|
,class wxTreeItemIndirectData* pData
|
|
);
|
|
bool HasIndirectData(const wxTreeItemId& rItem) const;
|
|
bool IsDataIndirect(wxTreeItemData* pData) const
|
|
{ return pData && pData->GetId().m_pItem == 0; }
|
|
|
|
//
|
|
// The hash storing the items attributes (indexed by items ids)
|
|
//
|
|
wxMapTreeAttr m_vAttrs;
|
|
|
|
//
|
|
// TRUE if the hash above is not empty
|
|
//
|
|
bool m_bHasAnyAttr;
|
|
|
|
//
|
|
// Used for dragging
|
|
//
|
|
wxDragImage* m_pDragImage;
|
|
|
|
// Virtual root item, if wxTR_HIDE_ROOT is set.
|
|
// void* m_pVirtualRoot;
|
|
|
|
// the starting item for selection with Shift
|
|
// WXHTREEITEM m_htSelStart;
|
|
//
|
|
friend class wxTreeItemIndirectData;
|
|
friend class wxTreeSortHelper;
|
|
|
|
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
|
|
DECLARE_NO_COPY_CLASS(wxTreeCtrl)
|
|
}; // end of CLASS wxTreeCtrl
|
|
|
|
#endif // wxUSE_TREECTRL
|
|
|
|
#endif
|
|
// _WX_TREECTRL_H_
|