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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/msw/treectrl.h
3// Purpose: wxTreeCtrl class
4// Author: Julian Smart
5// Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_TREECTRL_H_
13#define _WX_TREECTRL_H_
14
15// ----------------------------------------------------------------------------
16// headers
17// ----------------------------------------------------------------------------
18
19#if wxUSE_TREECTRL
20
21#include "wx/textctrl.h"
22#include "wx/dynarray.h"
23#include "wx/treebase.h"
24#include "wx/hashmap.h"
25
26#ifdef __GNUWIN32__
27 // Cygwin windows.h defines these identifiers
28 #undef GetFirstChild
29 #undef GetNextSibling
30#endif // Cygwin
31
32// fwd decl
33class WXDLLEXPORT wxImageList;
34class WXDLLEXPORT wxDragImage;
35struct WXDLLEXPORT wxTreeViewItem;
36
37#if WXWIN_COMPATIBILITY_2_6
38 // NB: all the following flags are for compatbility only and will be removed in the
39 // next versions
40 // flags for deprecated InsertItem() variant (their values are the same as of
41 // TVI_FIRST and TVI_LAST)
42 #define wxTREE_INSERT_FIRST 0xFFFF0001
43 #define wxTREE_INSERT_LAST 0xFFFF0002
44#endif
45
46// hash storing attributes for our items
47WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr);
48
49// ----------------------------------------------------------------------------
50// wxTreeCtrl
51// ----------------------------------------------------------------------------
52
53class WXDLLEXPORT wxTreeCtrl : public wxTreeCtrlBase
54{
55public:
56 // creation
57 // --------
58 wxTreeCtrl() { Init(); }
59
60 wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY,
61 const wxPoint& pos = wxDefaultPosition,
62 const wxSize& size = wxDefaultSize,
63 long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
64 const wxValidator& validator = wxDefaultValidator,
65 const wxString& name = wxTreeCtrlNameStr)
66 {
67 Create(parent, id, pos, size, style, validator, name);
68 }
69
70 virtual ~wxTreeCtrl();
71
72 bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
73 const wxPoint& pos = wxDefaultPosition,
74 const wxSize& size = wxDefaultSize,
75 long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT,
76 const wxValidator& validator = wxDefaultValidator,
77 const wxString& name = wxTreeCtrlNameStr);
78
79 // implement base class pure virtuals
80 // ----------------------------------
81
82 virtual unsigned int GetCount() const;
83
84 virtual unsigned int GetIndent() const;
85 virtual void SetIndent(unsigned int indent);
86
87 virtual void SetImageList(wxImageList *imageList);
88 virtual void SetStateImageList(wxImageList *imageList);
89
90 virtual wxString GetItemText(const wxTreeItemId& item) const;
91 virtual int GetItemImage(const wxTreeItemId& item,
92 wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
93 virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
94 virtual wxColour GetItemTextColour(const wxTreeItemId& item) const;
95 virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
96 virtual wxFont GetItemFont(const wxTreeItemId& item) const;
97
98 virtual void SetItemText(const wxTreeItemId& item, const wxString& text);
99 virtual void SetItemImage(const wxTreeItemId& item, int image,
100 wxTreeItemIcon which = wxTreeItemIcon_Normal);
101 virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
102 virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true);
103 virtual void SetItemBold(const wxTreeItemId& item, bool bold = true);
104 virtual void SetItemDropHighlight(const wxTreeItemId& item,
105 bool highlight = true);
106 virtual void SetItemTextColour(const wxTreeItemId& item,
107 const wxColour& col);
108 virtual void SetItemBackgroundColour(const wxTreeItemId& item,
109 const wxColour& col);
110 virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font);
111
112 // item status inquiries
113 // ---------------------
114
115 virtual bool IsVisible(const wxTreeItemId& item) const;
116 virtual bool ItemHasChildren(const wxTreeItemId& item) const;
117 virtual bool IsExpanded(const wxTreeItemId& item) const;
118 virtual bool IsSelected(const wxTreeItemId& item) const;
119 virtual bool IsBold(const wxTreeItemId& item) const;
120
121 virtual size_t GetChildrenCount(const wxTreeItemId& item,
122 bool recursively = true) const;
123
124 // navigation
125 // ----------
126
127 virtual wxTreeItemId GetRootItem() const;
128 virtual wxTreeItemId GetSelection() const;
129 virtual size_t GetSelections(wxArrayTreeItemIds& selections) const;
130
131 virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
132 virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item,
133 wxTreeItemIdValue& cookie) const;
134 virtual wxTreeItemId GetNextChild(const wxTreeItemId& item,
135 wxTreeItemIdValue& cookie) const;
136 virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
137
138 virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
139 virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
140
141 virtual wxTreeItemId GetFirstVisibleItem() const;
142 virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
143 virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
144
145 // operations
146 // ----------
147
148 virtual wxTreeItemId AddRoot(const wxString& text,
149 int image = -1, int selectedImage = -1,
150 wxTreeItemData *data = NULL);
151
152 virtual void Delete(const wxTreeItemId& item);
153 virtual void DeleteChildren(const wxTreeItemId& item);
154 virtual void DeleteAllItems();
155
156 virtual void Expand(const wxTreeItemId& item);
157 virtual void Collapse(const wxTreeItemId& item);
158 virtual void CollapseAndReset(const wxTreeItemId& item);
159 virtual void Toggle(const wxTreeItemId& item);
160
161 virtual void Unselect();
162 virtual void UnselectAll();
163 virtual void SelectItem(const wxTreeItemId& item, bool select = true);
164
165 virtual void EnsureVisible(const wxTreeItemId& item);
166 virtual void ScrollTo(const wxTreeItemId& item);
167
168 virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
169 wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
170 virtual wxTextCtrl *GetEditControl() const;
171 virtual void EndEditLabel(const wxTreeItemId& WXUNUSED(item),
172 bool discardChanges = false)
173 {
174 DoEndEditLabel(discardChanges);
175 }
176
177 virtual void SortChildren(const wxTreeItemId& item);
178
179 virtual bool GetBoundingRect(const wxTreeItemId& item,
180 wxRect& rect,
181 bool textOnly = false) const;
182
183 // deprecated
184 // ----------
185
186#if WXWIN_COMPATIBILITY_2_4
187 // these methods are deprecated and will be removed in future versions of
188 // wxWidgets, they're here for compatibility only, don't use them in new
189 // code (the comments indicate why these methods are now useless and how to
190 // replace them)
191
192 // use Expand, Collapse, CollapseAndReset or Toggle
193 wxDEPRECATED( void ExpandItem(const wxTreeItemId& item, int action) );
194
195 // use Set/GetImageList and Set/GetStateImageList
196 // Use base class GetImageList()
197 wxDEPRECATED( void SetImageList(wxImageList *imageList, int) );
198
199 // use Set/GetItemImage directly
200 wxDEPRECATED( int GetItemSelectedImage(const wxTreeItemId& item) const );
201 wxDEPRECATED( void SetItemSelectedImage(const wxTreeItemId& item, int image) );
202
203 // use the versions taking wxTreeItemIdValue cookies
204 wxDEPRECATED( wxTreeItemId GetFirstChild(const wxTreeItemId& item,
205 long& cookie) const );
206 wxDEPRECATED( wxTreeItemId GetNextChild(const wxTreeItemId& item,
207 long& cookie) const );
208#endif // WXWIN_COMPATIBILITY_2_4
209
210
211 // implementation
212 // --------------
213
214 virtual wxVisualAttributes GetDefaultAttributes() const
215 {
216 return GetClassDefaultAttributes(GetWindowVariant());
217 }
218
219 static wxVisualAttributes
220 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
221
222
223 virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
224 virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
225 virtual bool MSWCommand(WXUINT param, WXWORD id);
226 virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
227
228 // override some base class virtuals
229 virtual bool SetBackgroundColour(const wxColour &colour);
230 virtual bool SetForegroundColour(const wxColour &colour);
231
232 // get/set the check state for the item (only for wxTR_MULTIPLE)
233 bool IsItemChecked(const wxTreeItemId& item) const;
234 void SetItemCheck(const wxTreeItemId& item, bool check = true);
235
236 // set/get the item state.image (state == -1 means cycle to the next one)
237 void SetState(const wxTreeItemId& node, int state);
238 int GetState(const wxTreeItemId& node);
239
240protected:
241 // SetImageList helper
242 void SetAnyImageList(wxImageList *imageList, int which);
243
244 // refresh a single item
245 void RefreshItem(const wxTreeItemId& item);
246
247 // end edit label
248 void DoEndEditLabel(bool discardChanges = false);
249
250
251 // data used only while editing the item label:
252 wxTextCtrl *m_textCtrl; // text control in which it is edited
253 wxTreeItemId m_idEdited; // the item being edited
254
255 virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
256 size_t pos,
257 const wxString& text,
258 int image, int selectedImage,
259 wxTreeItemData *data);
260 virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent,
261 const wxTreeItemId& idPrevious,
262 const wxString& text,
263 int image = -1, int selImage = -1,
264 wxTreeItemData *data = NULL);
265 virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags);
266
267private:
268 // the common part of all ctors
269 void Init();
270
271 // helper functions
272 inline bool DoGetItem(wxTreeViewItem *tvItem) const;
273 inline void DoSetItem(wxTreeViewItem *tvItem);
274
275 inline void DoExpand(const wxTreeItemId& item, int flag);
276
277 int DoGetItemImageFromData(const wxTreeItemId& item,
278 wxTreeItemIcon which) const;
279 void DoSetItemImageFromData(const wxTreeItemId& item,
280 int image,
281 wxTreeItemIcon which) const;
282 void DoSetItemImages(const wxTreeItemId& item, int image, int imageSel);
283
284 void DeleteTextCtrl();
285
286 // support for additional item images which we implement using
287 // wxTreeItemIndirectData technique - see the comments in msw/treectrl.cpp
288 void SetIndirectItemData(const wxTreeItemId& item,
289 class wxTreeItemIndirectData *data);
290 bool HasIndirectData(const wxTreeItemId& item) const;
291 bool IsDataIndirect(wxTreeItemData *data) const
292 { return data && data->GetId().m_pItem == 0; }
293
294 // the hash storing the items attributes (indexed by item ids)
295 wxMapTreeAttr m_attrs;
296
297 // true if the hash above is not empty
298 bool m_hasAnyAttr;
299
300 // used for dragging
301 wxDragImage *m_dragImage;
302
303 // Virtual root item, if wxTR_HIDE_ROOT is set.
304 void* m_pVirtualRoot;
305
306 // the starting item for selection with Shift
307 wxTreeItemId m_htSelStart, m_htClickedItem;
308 wxPoint m_ptClick;
309
310 friend class wxTreeItemIndirectData;
311 friend class wxTreeSortHelper;
312
313 DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
314 DECLARE_NO_COPY_CLASS(wxTreeCtrl)
315};
316
317#endif // wxUSE_TREECTRL
318
319#endif
320 // _WX_TREECTRL_H_
wxWidgets (Impactor)