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better fix for MIPSpro warnings: removed unneeded calls to floor()
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484523cf 1/////////////////////////////////////////////////////////////////////////////
5e0e6ceb 2// Name: treebase.h
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3// Purpose: wxTreeCtrl base classes and types
4// Author: Julian Smart et al
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 _WX_TREEBASE_H_
13#define _WX_TREEBASE_H_
14
15#ifdef __GNUG__
16 #pragma interface "treebase.h"
17#endif
18
19// ----------------------------------------------------------------------------
20// headers
21// ----------------------------------------------------------------------------
22
1e6feb95 23#if wxUSE_TREECTRL
33737618 24
618a5e38 25#include "wx/window.h" // for wxClientData
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26#include "wx/event.h"
27
28// ----------------------------------------------------------------------------
29// wxTreeItemId identifies an element of the tree. In this implementation, it's
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30// just a trivial wrapper around Win32 HTREEITEM or a pointer to some private
31// data structure in the generic version. It's opaque for the application and
32// the only method which can be used by user code is IsOk().
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33// ----------------------------------------------------------------------------
34
35// Using this typedef removes an ambiguity when calling Remove()
36typedef unsigned long wxTreeItemIdValue;
37
38class WXDLLEXPORT wxTreeItemId
39{
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40public:
41 // ctors
42 // 0 is invalid value for HTREEITEM
43 wxTreeItemId() { m_pItem = 0; }
44
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45 // this one is used in the generic version
46 wxTreeItemId(void *pItem) { m_pItem = (long) pItem; }
47
48 // and this one under MSW
49 wxTreeItemId(long lItem) { m_pItem = lItem; }
50
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51 // default copy ctor/assignment operator are ok for us
52
53 // accessors
54 // is this a valid tree item?
55 bool IsOk() const { return m_pItem != 0; }
56
57 // deprecated: only for compatibility
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58 operator wxTreeItemIdValue() const { return m_pItem; }
59
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60 wxTreeItemIdValue m_pItem;
61};
62
63// ----------------------------------------------------------------------------
64// wxTreeItemData is some (arbitrary) user class associated with some item. The
65// main advantage of having this class (compared to old untyped interface) is
66// that wxTreeItemData's are destroyed automatically by the tree and, as this
67// class has virtual dtor, it means that the memory will be automatically
68// freed. OTOH, we don't just use wxObject instead of wxTreeItemData because
69// the size of this class is critical: in any real application, each tree leaf
70// will have wxTreeItemData associated with it and number of leaves may be
71// quite big.
72//
73// Because the objects of this class are deleted by the tree, they should
74// always be allocated on the heap!
75// ----------------------------------------------------------------------------
76
77class WXDLLEXPORT wxTreeItemData: public wxClientData
78{
79friend class WXDLLEXPORT wxTreeCtrl;
80friend class WXDLLEXPORT wxGenericTreeCtrl;
81public:
82 // creation/destruction
83 // --------------------
84 // default ctor
85 wxTreeItemData() { }
86
87 // default copy ctor/assignment operator are ok
88
89 // accessor: get the item associated with us
90 const wxTreeItemId& GetId() const { return m_pItem; }
91 void SetId(const wxTreeItemId& id) { m_pItem = id; }
92
93protected:
94 wxTreeItemId m_pItem;
95};
96
97WX_DEFINE_EXPORTED_ARRAY(wxTreeItemId, wxArrayTreeItemIds);
98
99// ----------------------------------------------------------------------------
100// constants
101// ----------------------------------------------------------------------------
102
103// enum for different images associated with a treectrl item
104enum wxTreeItemIcon
105{
106 wxTreeItemIcon_Normal, // not selected, not expanded
107 wxTreeItemIcon_Selected, // selected, not expanded
108 wxTreeItemIcon_Expanded, // not selected, expanded
109 wxTreeItemIcon_SelectedExpanded, // selected, expanded
110 wxTreeItemIcon_Max
111};
112
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113enum wxButtonImage // effectively the same as wxTreeItemIcon
114{
115 wxCLOSED_BUTTON = 0, // closed, not selected
116 wxCLOSED_BUTTON_SELECTED, // closed, selected
117 wxOPEN_BUTTON, // open, not selected
118 wxOPEN_BUTTON_SELECTED // open, selected
119};
120
121/*
122 * wxTreeCtrl flags
123 */
124// TODO: maybe renumber these?
125#define wxTR_NO_BUTTONS 0x0000 // for convenience
126#define wxTR_HAS_BUTTONS 0x0004 // generates a +/- button
127#define wxTR_TWIST_BUTTONS 0x0008 // twister buttons
128#define wxTR_NO_LINES 0x0100 // don't generate level connectors
129#define wxTR_MAC_BUTTONS wxTR_TWIST_BUTTONS // backward compatibility
130
131#define wxTR_SINGLE 0x0000 // for convenience
132#define wxTR_MULTIPLE 0x0020 // can select multiple items
133#define wxTR_EXTENDED 0x0040 // TODO: allow extended selection
134
135#define wxTR_EDIT_LABELS 0x0200 // can edit item labels
136#define wxTR_LINES_AT_ROOT 0x0010 // specific to wxMSW
137#define wxTR_HIDE_ROOT 0x0800 // don't display root node
138#define wxTR_ROW_LINES 0x0400 // put border around items
139#define wxTR_HAS_VARIABLE_ROW_HEIGHT 0x0080 // what it says
140
141// TODO: different default styles for wxGTK, wxMotif, whatever?
142#ifdef __WXMAC__
143 #define wxTR_DEFAULT_STYLE (wxTR_TWIST_BUTTONS|wxTR_NO_LINES|wxTR_ROW_LINES)
144#else
145 #define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS|wxTR_LINES_AT_ROOT)
146#endif
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147
148// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine
149// where exactly the specified point is situated:
150
151static const int wxTREE_HITTEST_ABOVE = 0x0001;
152static const int wxTREE_HITTEST_BELOW = 0x0002;
153static const int wxTREE_HITTEST_NOWHERE = 0x0004;
154 // on the button associated with an item.
155static const int wxTREE_HITTEST_ONITEMBUTTON = 0x0008;
156 // on the bitmap associated with an item.
157static const int wxTREE_HITTEST_ONITEMICON = 0x0010;
158 // on the indent associated with an item.
159static const int wxTREE_HITTEST_ONITEMINDENT = 0x0020;
160 // on the label (string) associated with an item.
161static const int wxTREE_HITTEST_ONITEMLABEL = 0x0040;
162 // on the right of the label associated with an item.
163static const int wxTREE_HITTEST_ONITEMRIGHT = 0x0080;
164 // on the label (string) associated with an item.
165static const int wxTREE_HITTEST_ONITEMSTATEICON = 0x0100;
166 // on the left of the wxTreeCtrl.
167static const int wxTREE_HITTEST_TOLEFT = 0x0200;
168 // on the right of the wxTreeCtrl.
169static const int wxTREE_HITTEST_TORIGHT = 0x0400;
170 // on the upper part (first half) of the item.
171static const int wxTREE_HITTEST_ONITEMUPPERPART = 0x0800;
172 // on the lower part (second half) of the item.
173static const int wxTREE_HITTEST_ONITEMLOWERPART = 0x1000;
174
175 // anywhere on the item
176static const int wxTREE_HITTEST_ONITEM = wxTREE_HITTEST_ONITEMICON |
177 wxTREE_HITTEST_ONITEMLABEL;
178
179// tree ctrl default name
161f4f73 180WXDLLEXPORT_DATA(extern const wxChar*) wxTreeCtrlNameStr;
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181
182// ----------------------------------------------------------------------------
183// wxTreeItemAttr: a structure containing the visual attributes of an item
184// ----------------------------------------------------------------------------
185
186class WXDLLEXPORT wxTreeItemAttr
187{
188public:
189 // ctors
190 wxTreeItemAttr() { }
191 wxTreeItemAttr(const wxColour& colText,
192 const wxColour& colBack,
193 const wxFont& font)
194 : m_colText(colText), m_colBack(colBack), m_font(font) { }
195
196 // setters
197 void SetTextColour(const wxColour& colText) { m_colText = colText; }
198 void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
199 void SetFont(const wxFont& font) { m_font = font; }
200
201 // accessors
202 bool HasTextColour() const { return m_colText.Ok(); }
203 bool HasBackgroundColour() const { return m_colBack.Ok(); }
204 bool HasFont() const { return m_font.Ok(); }
205
206 const wxColour& GetTextColour() const { return m_colText; }
207 const wxColour& GetBackgroundColour() const { return m_colBack; }
208 const wxFont& GetFont() const { return m_font; }
209
210private:
211 wxColour m_colText,
212 m_colBack;
213 wxFont m_font;
214};
215
216// ----------------------------------------------------------------------------
217// wxTreeEvent is a special class for all events associated with tree controls
218//
219// NB: note that not all accessors make sense for all events, see the event
220// descriptions below
221// ----------------------------------------------------------------------------
222
223class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
224{
225 friend class WXDLLEXPORT wxTreeCtrl;
226 friend class WXDLLEXPORT wxGenericTreeCtrl;
227
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228 DECLARE_DYNAMIC_CLASS(wxTreeEvent);
229
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230public:
231 wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
232
233 // accessors
234 // get the item on which the operation was performed or the newly
235 // selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
236 wxTreeItemId GetItem() const { return m_item; }
237
238 // for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
239 // selected item
240 wxTreeItemId GetOldItem() const { return m_itemOld; }
241
242 // the point where the mouse was when the drag operation started (for
33737618 243 // wxEVT_COMMAND_TREE_BEGIN_(R)DRAG events only) or click position
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244 wxPoint GetPoint() const { return m_pointDrag; }
245
246 // keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
247 int GetCode() const { return m_code; }
248
249 // label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
250 const wxString& GetLabel() const { return m_label; }
251
252private:
253 // we could probably save some space by using union here
254 int m_code;
255 wxTreeItemId m_item,
256 m_itemOld;
257 wxPoint m_pointDrag;
258 wxString m_label;
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259};
260
261typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
262
263// ----------------------------------------------------------------------------
2e4df4bf 264// tree control events and macros for handling them
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265// ----------------------------------------------------------------------------
266
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267BEGIN_DECLARE_EVENT_TYPES()
268 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG, 600)
269 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG, 601)
270 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, 602)
271 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT, 603)
272 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM, 604)
273 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO, 605)
274 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO, 606)
275 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED, 607)
276 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING, 608)
277 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, 609)
278 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, 610)
279 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED, 611)
280 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING, 612)
281 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN, 613)
282 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, 614)
283 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, 615)
284 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, 616)
285 DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG, 617)
286END_DECLARE_EVENT_TYPES()
287
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288// GetItem() returns the item being dragged, GetPoint() the mouse coords
289//
290// if you call event.Allow(), the drag operation will start and a
291// EVT_TREE_END_DRAG event will be sent when the drag is over.
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292#define EVT_TREE_BEGIN_DRAG(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
293#define EVT_TREE_BEGIN_RDRAG(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
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294
295// GetItem() is the item on which the drop occured (if any) and GetPoint() the
296// current mouse coords
2e4df4bf 297#define EVT_TREE_END_DRAG(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_END_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
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298
299// GetItem() returns the itme whose label is being edited, GetLabel() returns
300// the current item label for BEGIN and the would be new one for END.
301//
302// Vetoing BEGIN event means that label editing won't happen at all,
303// vetoing END means that the new value is discarded and the old one kept
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304#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
305#define EVT_TREE_END_LABEL_EDIT(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
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306
307// provide/update information about GetItem() item
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308#define EVT_TREE_GET_INFO(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
309#define EVT_TREE_SET_INFO(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
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310
311// GetItem() is the item being expanded/collapsed, the "ING" versions can use
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312#define EVT_TREE_ITEM_EXPANDED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
313#define EVT_TREE_ITEM_EXPANDING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
314#define EVT_TREE_ITEM_COLLAPSED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
315#define EVT_TREE_ITEM_COLLAPSING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
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316
317// GetOldItem() is the item which had the selection previously, GetItem() is
318// the item which acquires selection
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319#define EVT_TREE_SEL_CHANGED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
320#define EVT_TREE_SEL_CHANGING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
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321
322// GetCode() returns the key code
323// NB: this is the only message for which GetItem() is invalid (you may get the
324// item from GetSelection())
2e4df4bf 325#define EVT_TREE_KEY_DOWN(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
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326
327// GetItem() returns the item being deleted, the associated data (if any) will
328// be deleted just after the return of this event handler (if any)
2e4df4bf 329#define EVT_TREE_DELETE_ITEM(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL ),
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330
331// GetItem() returns the item that was activated (double click, enter, space)
2e4df4bf 332#define EVT_TREE_ITEM_ACTIVATED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
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333
334// GetItem() returns the item that was clicked on
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335#define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
336#define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL ),
484523cf 337
1e6feb95 338#endif // wxUSE_TREECTRL
33737618 339
618a5e38 340#endif // _WX_TREEBASE_H_
484523cf 341