final (?) changes to the generic tree ctrl -- seems to work ok
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
@@ -1,351 +1,433 @@
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/*
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/////////////////////////////////////////////////////////////////////////////
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* Author: Robert Roebling
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// Name: treectrl.h
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*
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// Purpose: wxTreeCtrl class
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* Copyright: (C) 1997,1998 Robert Roebling
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// Author: Robert Roebling
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*
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// Modified by:
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* This library is free software; you can redistribute it and/or
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// Created: 01/02/97
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* modify it under the terms of the wxWindows Licence, which
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// RCS-ID: $Id$
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* you have received with this library (see Licence.htm).
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// Copyright: (c) 1997,1998 Robert Roebling
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*
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// Licence: wxWindows license
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*/
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/////////////////////////////////////////////////////////////////////////////
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#ifndef __GTKTREECTRLH_G__
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#ifndef _GENERIC_TREECTRL_H_
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#define __GTKTREECTRLH_G__
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#define _GENERIC_TREECTRL_H_
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#ifdef __GNUG__
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#ifdef __GNUG__
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#pragma interface "treectrl.h"
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#pragma interface "treectrl.h"
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#endif
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#endif
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#include "wx/defs.h"
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#include "wx/defs.h"
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#include "wx/string.h"
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#include "wx/string.h"
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#include "wx/list.h"
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#include "wx/object.h"
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#include "wx/control.h"
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#include "wx/event.h"
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#include "wx/event.h"
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#include "wx/imaglist.h"
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#include "wx/scrolwin.h"
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#include "wx/scrolwin.h"
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#include "wx/dcclient.h"
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#include "wx/textctrl.h"
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//-----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// classes
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// forward declaration
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//-----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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class wxTreeItem;
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class wxTreeEvent;
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class wxGenericTreeItem;
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class wxTreeCtrl;
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class wxImageList;
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class wxImageList;
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class wxGenericTreeItem;
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//-----------------------------------------------------------------------------
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class wxTreeItemData;
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// constants
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typedef int (*wxTreeItemCmpFunc)(wxTreeItemData *item1, wxTreeItemData *item2);
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//-----------------------------------------------------------------------------
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// WXDLLEXPORT extern const char *wxTreeNameStr;
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// -----------------------------------------------------------------------------
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// wxTreeItemId - unique identifier of a tree element
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// -----------------------------------------------------------------------------
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#define wxTREE_MASK_HANDLE 0x0001
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class WXDLLEXPORT wxTreeItemId
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#define wxTREE_MASK_STATE 0x0002
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#define wxTREE_MASK_TEXT 0x0004
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#define wxTREE_MASK_IMAGE 0x0008
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#define wxTREE_MASK_SELECTED_IMAGE 0x0010
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#define wxTREE_MASK_CHILDREN 0x0020
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#define wxTREE_MASK_DATA 0x0040
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#define wxTREE_STATE_BOLD 0x0001
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#define wxTREE_STATE_DROPHILITED 0x0002
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#define wxTREE_STATE_EXPANDED 0x0004
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#define wxTREE_STATE_EXPANDEDONCE 0x0008
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#define wxTREE_STATE_FOCUSED 0x0010
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#define wxTREE_STATE_SELECTED 0x0020
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#define wxTREE_STATE_CUT 0x0040
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#define wxTREE_HITTEST_ABOVE 0x0001 // Above the client area.
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#define wxTREE_HITTEST_BELOW 0x0002 // Below the client area.
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#define wxTREE_HITTEST_NOWHERE 0x0004 // In the client area but below the last item.
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#define wxTREE_HITTEST_ONITEMBUTTON 0x0010 // On the button associated with an item.
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#define wxTREE_HITTEST_ONITEMICON 0x0020 // On the bitmap associated with an item.
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#define wxTREE_HITTEST_ONITEMINDENT 0x0040 // In the indentation associated with an item.
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#define wxTREE_HITTEST_ONITEMLABEL 0x0080 // On the label (string) associated with an item.
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#define wxTREE_HITTEST_ONITEMRIGHT 0x0100 // In the area to the right of an item.
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#define wxTREE_HITTEST_ONITEMSTATEICON 0x0200 // On the state icon for a tree view item that is in a user-defined state.
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#define wxTREE_HITTEST_TOLEFT 0x0400 // To the right of the client area.
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#define wxTREE_HITTEST_TORIGHT 0x0800 // To the left of the client area.
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#define wxTREE_HITTEST_ONITEM (wxTREE_HITTEST_ONITEMICON | wxTREE_HITTEST_ONITEMLABEL | wxTREE_HITTEST_ONITEMSTATEICON)
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// Flags for GetNextItem
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enum {
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wxTREE_NEXT_CARET, // Retrieves the currently selected item.
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wxTREE_NEXT_CHILD, // Retrieves the first child item. The hItem parameter must be NULL.
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wxTREE_NEXT_DROPHILITE, // Retrieves the item that is the target of a drag-and-drop operation.
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wxTREE_NEXT_FIRSTVISIBLE, // Retrieves the first visible item.
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wxTREE_NEXT_NEXT, // Retrieves the next sibling item.
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wxTREE_NEXT_NEXTVISIBLE, // Retrieves the next visible item that follows the specified item.
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wxTREE_NEXT_PARENT, // Retrieves the parent of the specified item.
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wxTREE_NEXT_PREVIOUS, // Retrieves the previous sibling item.
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wxTREE_NEXT_PREVIOUSVISIBLE, // Retrieves the first visible item that precedes the specified item.
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wxTREE_NEXT_ROOT // Retrieves the first child item of the root item of which the specified item is a part.
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};
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// Flags for ExpandItem
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enum {
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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 InsertItem
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enum {
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wxTREE_INSERT_LAST = -1,
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wxTREE_INSERT_FIRST = -2,
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wxTREE_INSERT_SORT = -3
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};
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/* defined in "wx/event.h"
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wxEVT_COMMAND_TREE_BEGIN_DRAG,
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wxEVT_COMMAND_TREE_BEGIN_RDRAG,
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wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT,
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wxEVT_COMMAND_TREE_END_LABEL_EDIT,
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wxEVT_COMMAND_TREE_DELETE_ITEM,
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wxEVT_COMMAND_TREE_GET_INFO,
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wxEVT_COMMAND_TREE_SET_INFO,
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wxEVT_COMMAND_TREE_ITEM_EXPANDED,
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wxEVT_COMMAND_TREE_ITEM_EXPANDING,
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wxEVT_COMMAND_TREE_SEL_CHANGED,
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wxEVT_COMMAND_TREE_SEL_CHANGING,
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wxEVT_COMMAND_TREE_KEY_DOWN
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*/
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//-----------------------------------------------------------------------------
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// wxTreeItem
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//-----------------------------------------------------------------------------
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class WXDLLEXPORT wxTreeItem: public wxObject
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{
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{
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friend class wxTreeCtrl;
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friend class wxTreeEvent;
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public:
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public:
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long m_mask;
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// ctors
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long m_itemId;
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// 0 is invalid value for HTREEITEM
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long m_state;
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wxTreeItemId() { m_pItem = 0; }
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long m_stateMask;
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wxString m_text;
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int m_image;
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int m_selectedImage;
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int m_children;
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long m_data;
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wxTreeItem();
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// default copy ctor/assignment operator are ok for us
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// Accessors
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// accessors
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inline long GetMask() const { return m_mask; }
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// is this a valid tree item?
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inline long GetItemId() const { return m_itemId; }
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bool IsOk() const { return m_pItem != 0; }
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inline long GetState() const { return m_state; }
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inline long GetStateMask() const { return m_stateMask; }
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inline wxString GetText() const { return m_text; }
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inline int GetImage() const { return m_image; }
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inline int GetSelectedImage() const { return m_selectedImage; }
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inline int GetChildren() const { return m_children; }
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inline long GetData() const { return m_data; }
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inline void SetMask(long mask) { m_mask = mask; }
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// deprecated: only for compatibility
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inline void SetItemId(long id) { m_itemId = m_itemId = id; }
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wxTreeItemId(long itemId) { m_pItem = (wxGenericTreeItem *)itemId; }
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inline void GetState(long state) { m_state = state; }
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operator long() const { return (long)m_pItem; }
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inline void SetStateMask(long stateMask) { m_stateMask = stateMask; }
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inline void GetText(const wxString& text) { m_text = text; }
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inline void SetImage(int image) { m_image = image; }
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inline void SetSelectedImage(int selImage) { m_selectedImage = selImage; }
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inline void SetChildren(int children) { m_children = children; }
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inline void SetData(long data) { m_data = data; }
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DECLARE_DYNAMIC_CLASS(wxTreeItem)
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protected:
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// for wxTreeCtrl usage only
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wxTreeItemId(wxGenericTreeItem *pItem) { m_pItem = pItem; }
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wxGenericTreeItem *m_pItem;
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};
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};
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//-----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// wxTreeEvent
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// wxTreeItemData is some (arbitrary) user class associated with some item.
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//-----------------------------------------------------------------------------
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//
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// Because the objects of this class are deleted by the tree, they should
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class WXDLLEXPORT wxTreeEvent: public wxCommandEvent
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// always be allocated on the heap!
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxTreeItemData
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{
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{
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DECLARE_DYNAMIC_CLASS(wxTreeEvent)
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friend class wxTreeCtrl;
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public:
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// creation/destruction
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// --------------------
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// default ctor
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wxTreeItemData() { }
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public:
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// default copy ctor/assignment operator are ok
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wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
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int m_code;
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// dtor is virtual and all the items are deleted by the tree control
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wxTreeItem m_item;
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// when it's deleted, so you normally don't have to care about freeing
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long m_oldItem;
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// memory allocated in your wxTreeItemData-derived class
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wxPoint m_pointDrag;
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virtual ~wxTreeItemData() { }
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inline long GetOldItem() const { return m_oldItem; }
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// accessor: get the item associated with us
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inline wxTreeItem& GetItem() const { return (wxTreeItem&) m_item; }
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const wxTreeItemId& GetId() const { return m_pItem; }
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inline wxPoint GetPoint() const { return m_pointDrag; }
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void SetId(const wxTreeItemId& id) { m_pItem = id; }
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inline void SetCode(int code) { m_code = code; }
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inline int GetCode() const { return m_code; }
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protected:
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wxTreeItemId m_pItem;
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};
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// -----------------------------------------------------------------------------
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// wxTreeEvent - the event generated by the tree control
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// -----------------------------------------------------------------------------
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class WXDLLEXPORT wxTreeEvent : public wxCommandEvent
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{
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friend class wxTreeCtrl;
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public:
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wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
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// accessors
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// get the item on which the operation was performed or the newly
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// selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
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wxTreeItemId GetItem() const { return m_item; }
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// for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
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// selected item
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wxTreeItemId GetOldItem() const { return m_itemOld; }
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// the point where the mouse was when the drag operation started (for
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// wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only)
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wxPoint GetPoint() const { return m_pointDrag; }
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// keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
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int GetCode() const { return m_code; }
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// set return code for wxEVT_COMMAND_TREE_ITEM_{EXPAND|COLLAPS}ING events
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// call this to forbid the change in item status
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void Veto() { m_code = TRUE; }
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// for implementation usage only
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bool WasVetoed() const { return m_code; }
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private:
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// @@ we could save some space by using union here
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int m_code;
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wxTreeItemId m_item,
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m_itemOld;
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wxPoint m_pointDrag;
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DECLARE_DYNAMIC_CLASS(wxTreeEvent)
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};
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};
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typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
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typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
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// ----------------------------------------------------------------------------
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// macros for handling tree control events
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// ----------------------------------------------------------------------------
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// GetItem() returns the item being dragged, GetPoint() the mouse coords
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#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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// GetItem() returns the itme whose label is being edited
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#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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// provide/update information about GetItem() item
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#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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// GetItem() is the item being expanded/collapsed, the "ING" versions can use
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#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
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#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
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#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
// GetOldItem() is the item which had the selection previously, GetItem() is
|
||||||
// wxGenericTreeItem
|
// the item which acquires selection
|
||||||
//-----------------------------------------------------------------------------
|
#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
||||||
|
#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
||||||
|
|
||||||
class WXDLLEXPORT wxGenericTreeItem: public wxTreeItem
|
// GetCode() returns the key code
|
||||||
{
|
// NB: this is the only message for which GetItem() is invalid (you may get the
|
||||||
DECLARE_DYNAMIC_CLASS(wxGenericTreeItem)
|
// item from GetSelection())
|
||||||
|
#define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
||||||
|
|
||||||
public:
|
// GetItem() returns the item being deleted, the associated data (if any) will
|
||||||
bool m_hasChildren,
|
// be deleted just after the return of this event handler (if any)
|
||||||
m_isCollapsed;
|
#define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
||||||
|
|
||||||
int m_x,m_y;
|
// -----------------------------------------------------------------------------
|
||||||
int m_height,m_width;
|
// wxTreeCtrl - the tree control
|
||||||
int m_xCross,m_yCross;
|
// -----------------------------------------------------------------------------
|
||||||
int m_level;
|
|
||||||
wxList m_children;
|
|
||||||
wxGenericTreeItem *m_parent;
|
|
||||||
bool m_hasHilight;
|
|
||||||
|
|
||||||
wxGenericTreeItem() {};
|
class WXDLLEXPORT wxTreeCtrl : public wxScrolledWindow
|
||||||
wxGenericTreeItem( wxGenericTreeItem *parent );
|
|
||||||
wxGenericTreeItem( wxGenericTreeItem *parent, const wxTreeItem& item, wxDC *dc );
|
|
||||||
void SetItem( const wxTreeItem &item, wxDC *dc );
|
|
||||||
void SetText( const wxString &text, wxDC *dc );
|
|
||||||
void Reset();
|
|
||||||
void GetItem( wxTreeItem &item ) const;
|
|
||||||
void AddChild( const wxTreeItem &item );
|
|
||||||
bool HasChildren();
|
|
||||||
bool HasPlus();
|
|
||||||
int NumberOfVisibleDescendents();
|
|
||||||
int NumberOfVisibleChildren();
|
|
||||||
wxGenericTreeItem *FindItem( long itemId ) const;
|
|
||||||
void AddChild( wxGenericTreeItem *child );
|
|
||||||
void SetCross( int x, int y );
|
|
||||||
void GetSize( int &x, int &y );
|
|
||||||
long HitTest( const wxPoint& point, int &flags );
|
|
||||||
void PrepareEvent( wxTreeEvent &event );
|
|
||||||
void SendKeyDown( wxWindow *target );
|
|
||||||
void SendSelected( wxWindow *target );
|
|
||||||
void SendDelete( wxWindow *target );
|
|
||||||
void SendExpand( wxWindow *target );
|
|
||||||
void SendCollapse( wxWindow *target );
|
|
||||||
void SetHilight( bool set = TRUE );
|
|
||||||
bool HasHilight();
|
|
||||||
bool IsExpanded() const { return !m_isCollapsed; }
|
|
||||||
};
|
|
||||||
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
// wxTreeCtrl
|
|
||||||
//-----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
class wxTreeCtrl: public wxScrolledWindow
|
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
wxTreeCtrl();
|
// creation
|
||||||
wxTreeCtrl(wxWindow *parent, const wxWindowID id = -1,
|
// --------
|
||||||
const wxPoint& pos = wxDefaultPosition,
|
wxTreeCtrl() { Init(); }
|
||||||
const wxSize& size = wxDefaultSize,
|
|
||||||
long style = wxTR_HAS_BUTTONS,
|
|
||||||
const wxString& name = "wxTreeCtrl" );
|
|
||||||
~wxTreeCtrl();
|
|
||||||
bool Create(wxWindow *parent, const wxWindowID id = -1,
|
|
||||||
const wxPoint& pos = wxDefaultPosition,
|
|
||||||
const wxSize& size = wxDefaultSize,
|
|
||||||
long style = wxTR_HAS_BUTTONS,
|
|
||||||
const wxString& name = "wxTreeCtrl");
|
|
||||||
|
|
||||||
int GetCount() const;
|
wxTreeCtrl(wxWindow *parent, wxWindowID id = -1,
|
||||||
long InsertItem( long parent, const wxString& label, int image = -1,
|
const wxPoint& pos = wxDefaultPosition,
|
||||||
int selImage = -1, long insertAfter = wxTREE_INSERT_LAST );
|
const wxSize& size = wxDefaultSize,
|
||||||
long InsertItem( long parent, wxTreeItem &info,
|
long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
|
||||||
long insertAfter = wxTREE_INSERT_LAST );
|
const wxString& name = "wxTreeCtrl")
|
||||||
void DeleteItem( long item );
|
{
|
||||||
void DeleteChildren( long item );
|
Create(parent, id, pos, size, style, name);
|
||||||
bool DeleteAllItems();
|
}
|
||||||
bool ExpandItem(long item) { return ExpandItem(item, wxTREE_EXPAND_EXPAND); }
|
|
||||||
bool CollapseItem(long item) { return ExpandItem(item, wxTREE_EXPAND_COLLAPSE); }
|
|
||||||
bool ToggleItem(long item) { return ExpandItem(item, wxTREE_EXPAND_TOGGLE); }
|
|
||||||
bool ExpandItem( long item, int action );
|
|
||||||
|
|
||||||
// is the item expanded now?
|
virtual ~wxTreeCtrl();
|
||||||
bool IsItemExpanded(long item)
|
|
||||||
{
|
|
||||||
wxGenericTreeItem *pItem = FindItem(item);
|
|
||||||
return pItem && (pItem->GetState() & wxTREE_STATE_EXPANDED);
|
|
||||||
}
|
|
||||||
|
|
||||||
bool GetItem( wxTreeItem &info ) const;
|
bool Create(wxWindow *parent, wxWindowID id = -1,
|
||||||
long GetItemData( long item ) const;
|
const wxPoint& pos = wxDefaultPosition,
|
||||||
wxString GetItemText( long item ) const;
|
const wxSize& size = wxDefaultSize,
|
||||||
int GetItemImage(long item) const;
|
long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
|
||||||
long GetParent( long item ) const;
|
const wxString& name = "wxTreeCtrl");
|
||||||
long GetRootItem() const;
|
|
||||||
long GetChild(long item) const;
|
|
||||||
long GetNextItem(long item, int code) const;
|
|
||||||
long GetSelection() const;
|
|
||||||
bool SelectItem( long item );
|
|
||||||
bool ItemHasChildren( long item ) const;
|
|
||||||
void SetIndent( int indent );
|
|
||||||
int GetIndent() const;
|
|
||||||
bool SetItem( wxTreeItem &info );
|
|
||||||
bool SetItemData( long item, long data );
|
|
||||||
bool SetItemText( long item, const wxString &text );
|
|
||||||
void SetItemImage(long item, int image, int imageSel) const;
|
|
||||||
long HitTest( const wxPoint& point, int &flags );
|
|
||||||
|
|
||||||
int GetItemState(long item, long stateMask) const;
|
// accessors
|
||||||
bool SetItemState(long item, long state, long stateMask);
|
// ---------
|
||||||
|
|
||||||
void AdjustMyScrollbars();
|
// get the total number of items in the control
|
||||||
void PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
|
size_t GetCount() const;
|
||||||
void OnPaint( const wxPaintEvent &event );
|
|
||||||
void OnSetFocus( const wxFocusEvent &event );
|
|
||||||
void OnKillFocus( const wxFocusEvent &event );
|
|
||||||
void OnChar( wxKeyEvent &event );
|
|
||||||
void OnMouse( const wxMouseEvent &event );
|
|
||||||
|
|
||||||
wxImageList *GetImageList(int which = wxIMAGE_LIST_NORMAL) const;
|
// indent is the number of pixels the children are indented relative to
|
||||||
void SetImageList(wxImageList *imageList, int which = wxIMAGE_LIST_NORMAL);
|
// the parents position. SetIndent() also redraws the control
|
||||||
|
// immediately.
|
||||||
|
unsigned int GetIndent() const { return m_indent; }
|
||||||
|
void SetIndent(unsigned int indent);
|
||||||
|
|
||||||
|
// image list: these functions allow to associate an image list with
|
||||||
|
// the control and retrieve it. Note that the control does _not_ delete
|
||||||
|
// the associated image list when it's deleted in order to allow image
|
||||||
|
// lists to be shared between different controls.
|
||||||
|
//
|
||||||
|
// The normal image list is for the icons which correspond to the
|
||||||
|
// normal tree item state (whether it is selected or not).
|
||||||
|
// Additionally, the application might choose to show a state icon
|
||||||
|
// which corresponds to an app-defined item state (for example,
|
||||||
|
// checked/unchecked) which are taken from the state image list.
|
||||||
|
wxImageList *GetImageList() const;
|
||||||
|
wxImageList *GetStateImageList() const;
|
||||||
|
|
||||||
|
void SetImageList(wxImageList *imageList);
|
||||||
|
void SetStateImageList(wxImageList *imageList);
|
||||||
|
|
||||||
|
// Functions to work with tree ctrl items.
|
||||||
|
|
||||||
|
// accessors
|
||||||
|
// ---------
|
||||||
|
|
||||||
|
// retrieve items label
|
||||||
|
wxString GetItemText(const wxTreeItemId& item) const;
|
||||||
|
// get the normal item image
|
||||||
|
int GetItemImage(const wxTreeItemId& item) const;
|
||||||
|
// get the selected item image
|
||||||
|
int GetItemSelectedImage(const wxTreeItemId& item) const;
|
||||||
|
// get the data associated with the item
|
||||||
|
wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
|
||||||
|
|
||||||
|
// modifiers
|
||||||
|
// ---------
|
||||||
|
|
||||||
|
// set items label
|
||||||
|
void SetItemText(const wxTreeItemId& item, const wxString& text);
|
||||||
|
// set the normal item image
|
||||||
|
void SetItemImage(const wxTreeItemId& item, int image);
|
||||||
|
// set the selected item image
|
||||||
|
void SetItemSelectedImage(const wxTreeItemId& item, int image);
|
||||||
|
// associate some data with the item
|
||||||
|
void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
|
||||||
|
|
||||||
|
// force appearance of [+] button near the item. This is useful to
|
||||||
|
// allow the user to expand the items which don't have any children now
|
||||||
|
// - but instead add them only when needed, thus minimizing memory
|
||||||
|
// usage and loading time.
|
||||||
|
void SetItemHasChildren(const wxTreeItemId& item, bool has = TRUE);
|
||||||
|
|
||||||
|
// item status inquiries
|
||||||
|
// ---------------------
|
||||||
|
|
||||||
|
// is the item visible (it might be outside the view or not expanded)?
|
||||||
|
bool IsVisible(const wxTreeItemId& item) const;
|
||||||
|
// does the item has any children?
|
||||||
|
bool ItemHasChildren(const wxTreeItemId& item) const;
|
||||||
|
// is the item expanded (only makes sense if HasChildren())?
|
||||||
|
bool IsExpanded(const wxTreeItemId& item) const;
|
||||||
|
// is this item currently selected (the same as has focus)?
|
||||||
|
bool IsSelected(const wxTreeItemId& item) const;
|
||||||
|
|
||||||
|
// navigation
|
||||||
|
// ----------
|
||||||
|
|
||||||
|
// wxTreeItemId.IsOk() will return FALSE if there is no such item
|
||||||
|
|
||||||
|
// get the root tree item
|
||||||
|
wxTreeItemId GetRootItem() const { return m_anchor; }
|
||||||
|
|
||||||
|
// get the item currently selected (may return NULL if no selection)
|
||||||
|
wxTreeItemId GetSelection() const { return m_current; }
|
||||||
|
|
||||||
|
// get the parent of this item (may return NULL if root)
|
||||||
|
wxTreeItemId GetParent(const wxTreeItemId& item) const;
|
||||||
|
|
||||||
|
// for this enumeration function you must pass in a "cookie" parameter
|
||||||
|
// which is opaque for the application but is necessary for the library
|
||||||
|
// 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
|
||||||
|
wxTreeItemId GetFirstChild(const wxTreeItemId& item, long& cookie) const;
|
||||||
|
// get the next child
|
||||||
|
wxTreeItemId GetNextChild(const wxTreeItemId& item, long& cookie) const;
|
||||||
|
|
||||||
|
// get the next sibling of this item
|
||||||
|
wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
|
||||||
|
// get the previous sibling
|
||||||
|
wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
|
||||||
|
|
||||||
|
// get first visible item
|
||||||
|
wxTreeItemId GetFirstVisibleItem() const;
|
||||||
|
// get the next visible item: item must be visible itself!
|
||||||
|
// see IsVisible() and wxTreeCtrl::GetFirstVisibleItem()
|
||||||
|
wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
|
||||||
|
// get the previous visible item: item must be visible itself!
|
||||||
|
wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
|
||||||
|
|
||||||
|
// operations
|
||||||
|
// ----------
|
||||||
|
|
||||||
|
// add the root node to the tree
|
||||||
|
wxTreeItemId AddRoot(const wxString& text,
|
||||||
|
int image = -1, int selectedImage = -1,
|
||||||
|
wxTreeItemData *data = NULL);
|
||||||
|
|
||||||
|
// insert a new item in as the first child of the parent
|
||||||
|
wxTreeItemId PrependItem(const wxTreeItemId& parent,
|
||||||
|
const wxString& text,
|
||||||
|
int image = -1, int selectedImage = -1,
|
||||||
|
wxTreeItemData *data = NULL);
|
||||||
|
|
||||||
|
// insert a new item after a given one
|
||||||
|
wxTreeItemId InsertItem(const wxTreeItemId& parent,
|
||||||
|
const wxTreeItemId& idPrevious,
|
||||||
|
const wxString& text,
|
||||||
|
int image = -1, int selectedImage = -1,
|
||||||
|
wxTreeItemData *data = NULL);
|
||||||
|
|
||||||
|
// insert a new item in as the last child of the parent
|
||||||
|
wxTreeItemId AppendItem(const wxTreeItemId& parent,
|
||||||
|
const wxString& text,
|
||||||
|
int image = -1, int selectedImage = -1,
|
||||||
|
wxTreeItemData *data = NULL);
|
||||||
|
|
||||||
|
// delete this item and associated data if any
|
||||||
|
void Delete(const wxTreeItemId& item);
|
||||||
|
// delete all items from the tree
|
||||||
|
void DeleteAllItems();
|
||||||
|
|
||||||
|
// expand this item
|
||||||
|
void Expand(const wxTreeItemId& item);
|
||||||
|
// collapse the item without removing its children
|
||||||
|
void Collapse(const wxTreeItemId& item);
|
||||||
|
// collapse the item and remove all children
|
||||||
|
void CollapseAndReset(const wxTreeItemId& item);
|
||||||
|
// toggles the current state
|
||||||
|
void Toggle(const wxTreeItemId& item);
|
||||||
|
|
||||||
|
// remove the selection from currently selected item (if any)
|
||||||
|
void Unselect();
|
||||||
|
// select this item
|
||||||
|
void SelectItem(const wxTreeItemId& item);
|
||||||
|
// make sure this item is visible (expanding the parent item and/or
|
||||||
|
// scrolling to this item if necessary)
|
||||||
|
void EnsureVisible(const wxTreeItemId& item);
|
||||||
|
// scroll to this item (but don't expand its parent)
|
||||||
|
void ScrollTo(const wxTreeItemId& item);
|
||||||
|
|
||||||
|
// start editing the item label: this (temporarily) replaces the item
|
||||||
|
// with a one line edit control. The item will be selected if it hadn't
|
||||||
|
// been before. textCtrlClass parameter allows you to create an edit
|
||||||
|
// control of arbitrary user-defined class deriving from wxTextCtrl.
|
||||||
|
wxTextCtrl* EditLabel(const wxTreeItemId& item,
|
||||||
|
wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
|
||||||
|
// returns the same pointer as StartEdit() if the item is being edited,
|
||||||
|
// NULL otherwise (it's assumed that no more than one item may be
|
||||||
|
// edited simultaneously)
|
||||||
|
wxTextCtrl* GetEditControl() const;
|
||||||
|
// end editing and accept or discard the changes to item label
|
||||||
|
void EndEditLabel(const wxTreeItemId& item, bool discardChanges = FALSE);
|
||||||
|
|
||||||
|
// sort the children of this item using the specified callback function
|
||||||
|
// (it should return -1, 0 or +1 as usual), if it's not specified
|
||||||
|
// alphabetical comparaison is performed.
|
||||||
|
//
|
||||||
|
// NB: this function is not reentrant!
|
||||||
|
void SortChildren(const wxTreeItemId& item,
|
||||||
|
wxTreeItemCmpFunc *cmpFunction = NULL);
|
||||||
|
|
||||||
|
// implementation
|
||||||
|
// --------------
|
||||||
|
// wxWindows callbacks
|
||||||
|
void OnPaint( const wxPaintEvent &event );
|
||||||
|
void OnSetFocus( const wxFocusEvent &event );
|
||||||
|
void OnKillFocus( const wxFocusEvent &event );
|
||||||
|
void OnChar( wxKeyEvent &event );
|
||||||
|
void OnMouse( const wxMouseEvent &event );
|
||||||
|
|
||||||
|
protected:
|
||||||
|
wxGenericTreeItem *m_anchor;
|
||||||
|
wxGenericTreeItem *m_current;
|
||||||
|
bool m_hasFocus;
|
||||||
|
int m_xScroll,m_yScroll;
|
||||||
|
unsigned int m_indent;
|
||||||
|
int m_lineHeight;
|
||||||
|
wxPen m_dottedPen;
|
||||||
|
wxBrush *m_hilightBrush;
|
||||||
|
wxImageList *m_imageListNormal,
|
||||||
|
*m_imageListState;
|
||||||
|
|
||||||
|
// the common part of all ctors
|
||||||
|
void Init();
|
||||||
|
|
||||||
|
// misc helpers
|
||||||
|
wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
|
||||||
|
size_t previous,
|
||||||
|
const wxString& text,
|
||||||
|
int image, int selectedImage,
|
||||||
|
wxTreeItemData *data);
|
||||||
|
|
||||||
|
void AdjustMyScrollbars();
|
||||||
|
void PaintLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
|
||||||
|
|
||||||
|
void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
|
||||||
|
void CalculatePositions();
|
||||||
|
|
||||||
|
void RefreshSubtree( wxGenericTreeItem *item );
|
||||||
|
void RefreshLine( wxGenericTreeItem *item );
|
||||||
|
|
||||||
private:
|
private:
|
||||||
// set the selection to the specified item generating appropriate event(s)
|
DECLARE_EVENT_TABLE()
|
||||||
void SelectItem(wxGenericTreeItem *item);
|
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
|
||||||
|
|
||||||
wxGenericTreeItem *m_anchor;
|
|
||||||
wxGenericTreeItem *m_current;
|
|
||||||
bool m_hasFocus;
|
|
||||||
int m_xScroll,m_yScroll;
|
|
||||||
int m_indent;
|
|
||||||
long m_lastId;
|
|
||||||
int m_lineHeight;
|
|
||||||
wxPen m_dottedPen;
|
|
||||||
bool m_isCreated;
|
|
||||||
wxBrush *m_hilightBrush;
|
|
||||||
wxImageList *m_imageList;
|
|
||||||
wxImageList *m_smallImageList;
|
|
||||||
|
|
||||||
void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
|
|
||||||
void CalculatePositions();
|
|
||||||
wxGenericTreeItem *FindItem( long itemId ) const;
|
|
||||||
void RefreshLine( wxGenericTreeItem *item );
|
|
||||||
|
|
||||||
DECLARE_EVENT_TABLE()
|
|
||||||
DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
|
|
||||||
};
|
};
|
||||||
|
|
||||||
#endif
|
#endif // _GENERIC_TREECTRL_H_
|
||||||
// __GTKTREECTRLH_G__
|
|
||||||
|
|||||||
@@ -182,7 +182,7 @@ void MyTreeCtrl::AddItemsRecursively(const wxTreeItemId& idParent,
|
|||||||
for ( size_t n = 0; n < numChildren; n++ )
|
for ( size_t n = 0; n < numChildren; n++ )
|
||||||
{
|
{
|
||||||
// at depth 1 elements won't have any more children
|
// at depth 1 elements won't have any more children
|
||||||
str.Printf("%s child %d", depth == 1 ? "File" : "Folder", n);
|
str.Printf("%s child %d", depth == 1 ? "File" : "Folder", n + 1);
|
||||||
int image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
|
int image = depth == 1 ? TreeCtrlIcon_File : TreeCtrlIcon_Folder;
|
||||||
wxTreeItemId id = AppendItem(idParent, str, image, image,
|
wxTreeItemId id = AppendItem(idParent, str, image, image,
|
||||||
new MyTreeItemData(str));
|
new MyTreeItemData(str));
|
||||||
@@ -226,11 +226,13 @@ TREE_EVENT_HANDLER(OnSelChanging)
|
|||||||
|
|
||||||
void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
|
void MyTreeCtrl::OnItemCollapsing(wxTreeEvent& event)
|
||||||
{
|
{
|
||||||
|
wxLogMessage("OnItemCollapsing");
|
||||||
|
|
||||||
// for testing, prevent the user from collapsing the root item
|
// for testing, prevent the user from collapsing the root item
|
||||||
wxTreeItemId itemId = event.GetItem();
|
wxTreeItemId itemId = event.GetItem();
|
||||||
if ( !GetParent(itemId).IsOk() )
|
if ( !GetParent(itemId).IsOk() )
|
||||||
{
|
{
|
||||||
wxMessageBox("Root item shouldn't collapse");
|
wxMessageBox("You can't collapse the root item.");
|
||||||
|
|
||||||
event.Veto();
|
event.Veto();
|
||||||
}
|
}
|
||||||
@@ -259,6 +261,6 @@ void MyTreeItemData::ShowInfo(wxTreeCtrl *tree)
|
|||||||
{
|
{
|
||||||
wxLogMessage("Item '%s': %sselected, %sexpanded.",
|
wxLogMessage("Item '%s': %sselected, %sexpanded.",
|
||||||
m_desc.c_str(),
|
m_desc.c_str(),
|
||||||
Bool2String(tree->IsExpanded(m_itemId)),
|
Bool2String(tree->IsSelected(GetId())),
|
||||||
Bool2String(tree->IsSelected(m_itemId)));
|
Bool2String(tree->IsExpanded(GetId())));
|
||||||
}
|
}
|
||||||
|
|||||||
@@ -69,7 +69,12 @@ class MyFrame: public wxFrame
|
|||||||
class MyTreeItemData : public wxTreeItemData
|
class MyTreeItemData : public wxTreeItemData
|
||||||
{
|
{
|
||||||
public:
|
public:
|
||||||
|
MyTreeItemData(const wxString& desc) : m_desc(desc) { }
|
||||||
|
|
||||||
void ShowInfo(wxTreeCtrl *tree);
|
void ShowInfo(wxTreeCtrl *tree);
|
||||||
|
|
||||||
|
private:
|
||||||
|
wxString m_desc;
|
||||||
};
|
};
|
||||||
|
|
||||||
// ID for the menu quit command
|
// ID for the menu quit command
|
||||||
@@ -78,4 +83,8 @@ public:
|
|||||||
|
|
||||||
#define TREE_CTRL 1000
|
#define TREE_CTRL 1000
|
||||||
|
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
TreeCtrlIcon_File,
|
||||||
|
TreeCtrlIcon_Folder
|
||||||
|
};
|
||||||
|
|||||||
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user