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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/generic/treectlg.h
3// Purpose: wxTreeCtrl class
4// Author: Robert Roebling
5// Modified by:
6// Created: 01/02/97
7// RCS-ID: $Id$
8// Copyright: (c) 1997,1998 Robert Roebling
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _GENERIC_TREECTRL_H_
13#define _GENERIC_TREECTRL_H_
14
15#if wxUSE_TREECTRL
16
17#include "wx/scrolwin.h"
18#include "wx/pen.h"
19
20// -----------------------------------------------------------------------------
21// forward declaration
22// -----------------------------------------------------------------------------
23
24class WXDLLEXPORT wxGenericTreeItem;
25
26class WXDLLEXPORT wxTreeItemData;
27
28class WXDLLEXPORT wxTreeRenameTimer;
29class WXDLLEXPORT wxTreeFindTimer;
30class WXDLLEXPORT wxTreeTextCtrl;
31class WXDLLEXPORT wxTextCtrl;
32
33// -----------------------------------------------------------------------------
34// wxGenericTreeCtrl - the tree control
35// -----------------------------------------------------------------------------
36
37class WXDLLEXPORT wxGenericTreeCtrl : public wxTreeCtrlBase,
38 public wxScrollHelper
39{
40public:
41 // creation
42 // --------
43
44 wxGenericTreeCtrl() : wxTreeCtrlBase(), wxScrollHelper(this) { Init(); }
45
46 wxGenericTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY,
47 const wxPoint& pos = wxDefaultPosition,
48 const wxSize& size = wxDefaultSize,
49 long style = wxTR_DEFAULT_STYLE,
50 const wxValidator &validator = wxDefaultValidator,
51 const wxString& name = wxTreeCtrlNameStr)
52 : wxTreeCtrlBase(),
53 wxScrollHelper(this)
54 {
55 Init();
56 Create(parent, id, pos, size, style, validator, name);
57 }
58
59 virtual ~wxGenericTreeCtrl();
60
61 bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
62 const wxPoint& pos = wxDefaultPosition,
63 const wxSize& size = wxDefaultSize,
64 long style = wxTR_DEFAULT_STYLE,
65 const wxValidator &validator = wxDefaultValidator,
66 const wxString& name = wxTreeCtrlNameStr);
67
68
69 // implement base class pure virtuals
70 // ----------------------------------
71
72 virtual unsigned int GetCount() const;
73
74 virtual unsigned int GetIndent() const { return m_indent; }
75 virtual void SetIndent(unsigned int indent);
76
77
78 virtual void SetImageList(wxImageList *imageList);
79 virtual void SetStateImageList(wxImageList *imageList);
80
81 virtual wxString GetItemText(const wxTreeItemId& item) const;
82 virtual int GetItemImage(const wxTreeItemId& item,
83 wxTreeItemIcon which = wxTreeItemIcon_Normal) const;
84 virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const;
85 virtual wxColour GetItemTextColour(const wxTreeItemId& item) const;
86 virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const;
87 virtual wxFont GetItemFont(const wxTreeItemId& item) const;
88
89 virtual void SetItemText(const wxTreeItemId& item, const wxString& text);
90 virtual void SetItemImage(const wxTreeItemId& item,
91 int image,
92 wxTreeItemIcon which = wxTreeItemIcon_Normal);
93 virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data);
94
95 virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true);
96 virtual void SetItemBold(const wxTreeItemId& item, bool bold = true);
97 virtual void SetItemDropHighlight(const wxTreeItemId& item, bool highlight = true);
98 virtual void SetItemTextColour(const wxTreeItemId& item, const wxColour& col);
99 virtual void SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col);
100 virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font);
101
102 virtual bool IsVisible(const wxTreeItemId& item) const;
103 virtual bool ItemHasChildren(const wxTreeItemId& item) const;
104 virtual bool IsExpanded(const wxTreeItemId& item) const;
105 virtual bool IsSelected(const wxTreeItemId& item) const;
106 virtual bool IsBold(const wxTreeItemId& item) const;
107
108 virtual size_t GetChildrenCount(const wxTreeItemId& item,
109 bool recursively = true) const;
110
111 // navigation
112 // ----------
113
114 virtual wxTreeItemId GetRootItem() const { return m_anchor; }
115 virtual wxTreeItemId GetSelection() const { return m_current; }
116 virtual size_t GetSelections(wxArrayTreeItemIds&) const;
117
118 virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const;
119 virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item,
120 wxTreeItemIdValue& cookie) const;
121 virtual wxTreeItemId GetNextChild(const wxTreeItemId& item,
122 wxTreeItemIdValue& cookie) const;
123 virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const;
124 virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const;
125 virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const;
126
127 virtual wxTreeItemId GetFirstVisibleItem() const;
128 virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const;
129 virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const;
130
131
132 // operations
133 // ----------
134
135 virtual wxTreeItemId AddRoot(const wxString& text,
136 int image = -1, int selectedImage = -1,
137 wxTreeItemData *data = NULL);
138
139 virtual void Delete(const wxTreeItemId& item);
140 virtual void DeleteChildren(const wxTreeItemId& item);
141 virtual void DeleteAllItems();
142
143 virtual void Expand(const wxTreeItemId& item);
144 virtual void Collapse(const wxTreeItemId& item);
145 virtual void CollapseAndReset(const wxTreeItemId& item);
146 virtual void Toggle(const wxTreeItemId& item);
147
148 virtual void Unselect();
149 virtual void UnselectAll();
150 virtual void SelectItem(const wxTreeItemId& item, bool select = true);
151
152 virtual void EnsureVisible(const wxTreeItemId& item);
153 virtual void ScrollTo(const wxTreeItemId& item);
154
155 virtual wxTextCtrl *EditLabel(const wxTreeItemId& item,
156 wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl));
157 virtual wxTextCtrl *GetEditControl() const;
158 virtual void EndEditLabel(const wxTreeItemId& item,
159 bool discardChanges = false);
160
161 virtual void SortChildren(const wxTreeItemId& item);
162
163 // items geometry
164 // --------------
165
166 virtual bool GetBoundingRect(const wxTreeItemId& item,
167 wxRect& rect,
168 bool textOnly = false) const;
169
170
171 // this version specific methods
172 // -----------------------------
173
174 wxImageList *GetButtonsImageList() const { return m_imageListButtons; }
175 void SetButtonsImageList(wxImageList *imageList);
176 void AssignButtonsImageList(wxImageList *imageList);
177
178 void SetDropEffectAboveItem( bool above = false ) { m_dropEffectAboveItem = above; }
179 bool GetDropEffectAboveItem() const { return m_dropEffectAboveItem; }
180
181 wxTreeItemId GetNext(const wxTreeItemId& item) const;
182
183 void ExpandAll(const wxTreeItemId& item);
184
185#if WXWIN_COMPATIBILITY_2_6
186 // use EditLabel() instead
187 void Edit( const wxTreeItemId& item ) { EditLabel(item); }
188#endif // WXWIN_COMPATIBILITY_2_6
189
190#if WXWIN_COMPATIBILITY_2_4
191 // deprecated functions: use Set/GetItemImage directly
192 wxDEPRECATED( int GetItemSelectedImage(const wxTreeItemId& item) const );
193 wxDEPRECATED( void SetItemSelectedImage(const wxTreeItemId& item, int image) );
194
195 // use the versions taking wxTreeItemIdValue cookies (note that
196 // GetNextChild() is not inside wxDEPRECATED on purpose, as otherwise we
197 // get twice as many warnings without any added benefit: it is always used
198 // with GetFirstChild() anyhow)
199 wxDEPRECATED( wxTreeItemId GetFirstChild(const wxTreeItemId& item,
200 long& cookie) const );
201 wxTreeItemId GetNextChild(const wxTreeItemId& item,
202 long& cookie) const;
203#endif // WXWIN_COMPATIBILITY_2_4
204
205 // implementation only from now on
206
207 // overridden base class virtuals
208 virtual bool SetBackgroundColour(const wxColour& colour);
209 virtual bool SetForegroundColour(const wxColour& colour);
210
211 virtual void Freeze();
212 virtual void Thaw();
213
214 virtual bool SetFont( const wxFont &font );
215 virtual void SetWindowStyle(const long styles);
216
217 // callbacks
218 void OnPaint( wxPaintEvent &event );
219 void OnSetFocus( wxFocusEvent &event );
220 void OnKillFocus( wxFocusEvent &event );
221 void OnChar( wxKeyEvent &event );
222 void OnMouse( wxMouseEvent &event );
223 void OnGetToolTip( wxTreeEvent &event );
224 void OnInternalIdle( );
225
226 virtual wxVisualAttributes GetDefaultAttributes() const
227 {
228 return GetClassDefaultAttributes(GetWindowVariant());
229 }
230
231 static wxVisualAttributes
232 GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
233
234 // implementation helpers
235 void AdjustMyScrollbars();
236
237 WX_FORWARD_TO_SCROLL_HELPER()
238
239protected:
240 friend class wxGenericTreeItem;
241 friend class wxTreeRenameTimer;
242 friend class wxTreeFindTimer;
243 friend class wxTreeTextCtrl;
244
245 wxFont m_normalFont;
246 wxFont m_boldFont;
247
248 wxGenericTreeItem *m_anchor;
249 wxGenericTreeItem *m_current,
250 *m_key_current,
251 // A hint to select a parent item after deleting a child
252 *m_select_me;
253 unsigned short m_indent;
254 int m_lineHeight;
255 wxPen m_dottedPen;
256 wxBrush *m_hilightBrush,
257 *m_hilightUnfocusedBrush;
258 bool m_hasFocus;
259 bool m_dirty;
260 bool m_ownsImageListButtons;
261 bool m_isDragging; // true between BEGIN/END drag events
262 bool m_lastOnSame; // last click on the same item as prev
263 wxImageList *m_imageListButtons;
264
265 int m_freezeCount;
266 int m_dragCount;
267 wxPoint m_dragStart;
268 wxGenericTreeItem *m_dropTarget;
269 wxCursor m_oldCursor; // cursor is changed while dragging
270 wxGenericTreeItem *m_oldSelection;
271 wxGenericTreeItem *m_underMouse; // for visual effects
272 wxTreeTextCtrl *m_textCtrl;
273
274 wxTimer *m_renameTimer;
275
276 // incremental search data
277 wxString m_findPrefix;
278 wxTimer *m_findTimer;
279
280 bool m_dropEffectAboveItem;
281
282 // the common part of all ctors
283 void Init();
284
285 // misc helpers
286 void SendDeleteEvent(wxGenericTreeItem *itemBeingDeleted);
287
288 void DrawBorder(const wxTreeItemId& item);
289 void DrawLine(const wxTreeItemId& item, bool below);
290 void DrawDropEffect(wxGenericTreeItem *item);
291
292 void DoSelectItem(const wxTreeItemId& id,
293 bool unselect_others = true,
294 bool extended_select = false);
295
296 virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent,
297 size_t previous,
298 const wxString& text,
299 int image,
300 int selectedImage,
301 wxTreeItemData *data);
302 virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent,
303 const wxTreeItemId& idPrevious,
304 const wxString& text,
305 int image = -1, int selImage = -1,
306 wxTreeItemData *data = NULL);
307 virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags);
308
309 // called by wxTextTreeCtrl when it marks itself for deletion
310 void ResetTextControl();
311
312 // find the first item starting with the given prefix after the given item
313 wxTreeItemId FindItem(const wxTreeItemId& id, const wxString& prefix) const;
314
315 bool HasButtons() const { return HasFlag(wxTR_HAS_BUTTONS); }
316
317 void CalculateLineHeight();
318 int GetLineHeight(wxGenericTreeItem *item) const;
319 void PaintLevel( wxGenericTreeItem *item, wxDC& dc, int level, int &y );
320 void PaintItem( wxGenericTreeItem *item, wxDC& dc);
321
322 void CalculateLevel( wxGenericTreeItem *item, wxDC &dc, int level, int &y );
323 void CalculatePositions();
324 void CalculateSize( wxGenericTreeItem *item, wxDC &dc );
325
326 void RefreshSubtree( wxGenericTreeItem *item );
327 void RefreshLine( wxGenericTreeItem *item );
328
329 // redraw all selected items
330 void RefreshSelected();
331
332 // RefreshSelected() recursive helper
333 void RefreshSelectedUnder(wxGenericTreeItem *item);
334
335 void OnRenameTimer();
336 bool OnRenameAccept(wxGenericTreeItem *item, const wxString& value);
337 void OnRenameCancelled(wxGenericTreeItem *item);
338
339 void FillArray(wxGenericTreeItem*, wxArrayTreeItemIds&) const;
340 void SelectItemRange( wxGenericTreeItem *item1, wxGenericTreeItem *item2 );
341 bool TagAllChildrenUntilLast(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select);
342 bool TagNextChildren(wxGenericTreeItem *crt_item, wxGenericTreeItem *last_item, bool select);
343 void UnselectAllChildren( wxGenericTreeItem *item );
344 void ChildrenClosing(wxGenericTreeItem* item);
345
346private:
347 DECLARE_EVENT_TABLE()
348 DECLARE_DYNAMIC_CLASS(wxGenericTreeCtrl)
349 DECLARE_NO_COPY_CLASS(wxGenericTreeCtrl)
350};
351
352#if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
353/*
354 * wxTreeCtrl has to be a real class or we have problems with
355 * the run-time information.
356 */
357
358class WXDLLEXPORT wxTreeCtrl: public wxGenericTreeCtrl
359{
360 DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
361
362public:
363 wxTreeCtrl() {}
364
365 wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY,
366 const wxPoint& pos = wxDefaultPosition,
367 const wxSize& size = wxDefaultSize,
368 long style = wxTR_DEFAULT_STYLE,
369 const wxValidator &validator = wxDefaultValidator,
370 const wxString& name = wxTreeCtrlNameStr)
371 : wxGenericTreeCtrl(parent, id, pos, size, style, validator, name)
372 {
373 }
374};
375#endif // !__WXMSW__ || __WXUNIVERSAL__
376
377#endif // wxUSE_TREECTRL
378
379#endif // _GENERIC_TREECTRL_H_