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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/listctrl.h
3 // Purpose: wxListCtrl class
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 04.12.99
7 // RCS-ID: $Id$
8 // Copyright: (c) wxWidgets team
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_LISTBASE_H_BASE_
13 #define _WX_LISTBASE_H_BASE_
14
15 #include "wx/defs.h"
16
17 #if wxUSE_LISTCTRL
18
19 #include "wx/colour.h"
20 #include "wx/font.h"
21 #include "wx/gdicmn.h"
22
23 #include "wx/event.h"
24
25 // ----------------------------------------------------------------------------
26 // types
27 // ----------------------------------------------------------------------------
28
29 // type of compare function for wxListCtrl sort operation
30 typedef int (wxCALLBACK *wxListCtrlCompare)(long item1, long item2, long sortData);
31
32 // ----------------------------------------------------------------------------
33 // wxListCtrl constants
34 // ----------------------------------------------------------------------------
35
36 // style flags
37 #define wxLC_VRULES 0x0001
38 #define wxLC_HRULES 0x0002
39
40 #define wxLC_ICON 0x0004
41 #define wxLC_SMALL_ICON 0x0008
42 #define wxLC_LIST 0x0010
43 #define wxLC_REPORT 0x0020
44
45 #define wxLC_ALIGN_TOP 0x0040
46 #define wxLC_ALIGN_LEFT 0x0080
47 #define wxLC_AUTOARRANGE 0x0100
48 #define wxLC_VIRTUAL 0x0200
49 #define wxLC_EDIT_LABELS 0x0400
50 #define wxLC_NO_HEADER 0x0800
51 #define wxLC_NO_SORT_HEADER 0x1000
52 #define wxLC_SINGLE_SEL 0x2000
53 #define wxLC_SORT_ASCENDING 0x4000
54 #define wxLC_SORT_DESCENDING 0x8000
55
56 #define wxLC_MASK_TYPE (wxLC_ICON | wxLC_SMALL_ICON | wxLC_LIST | wxLC_REPORT)
57 #define wxLC_MASK_ALIGN (wxLC_ALIGN_TOP | wxLC_ALIGN_LEFT)
58 #define wxLC_MASK_SORT (wxLC_SORT_ASCENDING | wxLC_SORT_DESCENDING)
59
60 // for compatibility only
61 #define wxLC_USER_TEXT wxLC_VIRTUAL
62
63 // Omitted because
64 // (a) too much detail
65 // (b) not enough style flags
66 // (c) not implemented anyhow in the generic version
67 //
68 // #define wxLC_NO_SCROLL
69 // #define wxLC_NO_LABEL_WRAP
70 // #define wxLC_OWNERDRAW_FIXED
71 // #define wxLC_SHOW_SEL_ALWAYS
72
73 // Mask flags to tell app/GUI what fields of wxListItem are valid
74 #define wxLIST_MASK_STATE 0x0001
75 #define wxLIST_MASK_TEXT 0x0002
76 #define wxLIST_MASK_IMAGE 0x0004
77 #define wxLIST_MASK_DATA 0x0008
78 #define wxLIST_SET_ITEM 0x0010
79 #define wxLIST_MASK_WIDTH 0x0020
80 #define wxLIST_MASK_FORMAT 0x0040
81
82 // State flags for indicating the state of an item
83 #define wxLIST_STATE_DONTCARE 0x0000
84 #define wxLIST_STATE_DROPHILITED 0x0001 // MSW only
85 #define wxLIST_STATE_FOCUSED 0x0002
86 #define wxLIST_STATE_SELECTED 0x0004
87 #define wxLIST_STATE_CUT 0x0008 // MSW only
88 #define wxLIST_STATE_DISABLED 0x0010 // OS2 only
89 #define wxLIST_STATE_FILTERED 0x0020 // OS2 only
90 #define wxLIST_STATE_INUSE 0x0040 // OS2 only
91 #define wxLIST_STATE_PICKED 0x0080 // OS2 only
92 #define wxLIST_STATE_SOURCE 0x0100 // OS2 only
93
94 // Hit test flags, used in HitTest
95 #define wxLIST_HITTEST_ABOVE 0x0001 // Above the client area.
96 #define wxLIST_HITTEST_BELOW 0x0002 // Below the client area.
97 #define wxLIST_HITTEST_NOWHERE 0x0004 // In the client area but below the last item.
98 #define wxLIST_HITTEST_ONITEMICON 0x0020 // On the bitmap associated with an item.
99 #define wxLIST_HITTEST_ONITEMLABEL 0x0080 // On the label (string) associated with an item.
100 #define wxLIST_HITTEST_ONITEMRIGHT 0x0100 // In the area to the right of an item.
101 #define wxLIST_HITTEST_ONITEMSTATEICON 0x0200 // On the state icon for a tree view item that is in a user-defined state.
102 #define wxLIST_HITTEST_TOLEFT 0x0400 // To the left of the client area.
103 #define wxLIST_HITTEST_TORIGHT 0x0800 // To the right of the client area.
104
105 #define wxLIST_HITTEST_ONITEM (wxLIST_HITTEST_ONITEMICON | wxLIST_HITTEST_ONITEMLABEL | wxLIST_HITTEST_ONITEMSTATEICON)
106
107 // Flags for GetNextItem (MSW only except wxLIST_NEXT_ALL)
108 enum
109 {
110 wxLIST_NEXT_ABOVE, // Searches for an item above the specified item
111 wxLIST_NEXT_ALL, // Searches for subsequent item by index
112 wxLIST_NEXT_BELOW, // Searches for an item below the specified item
113 wxLIST_NEXT_LEFT, // Searches for an item to the left of the specified item
114 wxLIST_NEXT_RIGHT // Searches for an item to the right of the specified item
115 };
116
117 // Alignment flags for Arrange (MSW only except wxLIST_ALIGN_LEFT)
118 enum
119 {
120 wxLIST_ALIGN_DEFAULT,
121 wxLIST_ALIGN_LEFT,
122 wxLIST_ALIGN_TOP,
123 wxLIST_ALIGN_SNAP_TO_GRID
124 };
125
126 // Column format (MSW only except wxLIST_FORMAT_LEFT)
127 enum wxListColumnFormat
128 {
129 wxLIST_FORMAT_LEFT,
130 wxLIST_FORMAT_RIGHT,
131 wxLIST_FORMAT_CENTRE,
132 wxLIST_FORMAT_CENTER = wxLIST_FORMAT_CENTRE
133 };
134
135 // Autosize values for SetColumnWidth
136 enum
137 {
138 wxLIST_AUTOSIZE = -1,
139 wxLIST_AUTOSIZE_USEHEADER = -2 // partly supported by generic version
140 };
141
142 // Flag values for GetItemRect
143 enum
144 {
145 wxLIST_RECT_BOUNDS,
146 wxLIST_RECT_ICON,
147 wxLIST_RECT_LABEL
148 };
149
150 // Flag values for FindItem (MSW only)
151 enum
152 {
153 wxLIST_FIND_UP,
154 wxLIST_FIND_DOWN,
155 wxLIST_FIND_LEFT,
156 wxLIST_FIND_RIGHT
157 };
158
159 // ----------------------------------------------------------------------------
160 // wxListItemAttr: a structure containing the visual attributes of an item
161 // ----------------------------------------------------------------------------
162
163 // TODO: this should be renamed to wxItemAttr or something general like this
164 // and used as base class for wxTextAttr which duplicates this class
165 // entirely currently
166 class WXDLLEXPORT wxListItemAttr
167 {
168 public:
169 // ctors
170 wxListItemAttr() { }
171 wxListItemAttr(const wxColour& colText,
172 const wxColour& colBack,
173 const wxFont& font)
174 : m_colText(colText), m_colBack(colBack), m_font(font)
175 {
176 }
177
178 // default copy ctor, assignment operator and dtor are ok
179
180
181 // setters
182 void SetTextColour(const wxColour& colText) { m_colText = colText; }
183 void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
184 void SetFont(const wxFont& font) { m_font = font; }
185
186 // accessors
187 bool HasTextColour() const { return m_colText.Ok(); }
188 bool HasBackgroundColour() const { return m_colBack.Ok(); }
189 bool HasFont() const { return m_font.Ok(); }
190
191 const wxColour& GetTextColour() const { return m_colText; }
192 const wxColour& GetBackgroundColour() const { return m_colBack; }
193 const wxFont& GetFont() const { return m_font; }
194
195
196 // this is almost like assignment operator except it doesn't overwrite the
197 // fields unset in the source attribute
198 void AssignFrom(const wxListItemAttr& source)
199 {
200 if ( source.HasTextColour() )
201 SetTextColour(source.GetTextColour());
202 if ( source.HasBackgroundColour() )
203 SetBackgroundColour(source.GetBackgroundColour());
204 if ( source.HasFont() )
205 SetFont(source.GetFont());
206 }
207
208 private:
209 wxColour m_colText,
210 m_colBack;
211 wxFont m_font;
212 };
213
214 // ----------------------------------------------------------------------------
215 // wxListItem: the item or column info, used to exchange data with wxListCtrl
216 // ----------------------------------------------------------------------------
217
218 class WXDLLEXPORT wxListItem : public wxObject
219 {
220 public:
221 wxListItem() { Init(); m_attr = NULL; }
222 wxListItem(const wxListItem& item)
223 : wxObject(),
224 m_mask(item.m_mask),
225 m_itemId(item.m_itemId),
226 m_col(item.m_col),
227 m_state(item.m_state),
228 m_stateMask(item.m_stateMask),
229 m_text(item.m_text),
230 m_image(item.m_image),
231 m_data(item.m_data),
232 m_format(item.m_format),
233 m_width(item.m_width),
234 m_attr(NULL)
235 {
236 // copy list item attributes
237 if ( item.HasAttributes() )
238 m_attr = new wxListItemAttr(*item.GetAttributes());
239 }
240 virtual ~wxListItem() { delete m_attr; }
241
242 // resetting
243 void Clear() { Init(); m_text.clear(); ClearAttributes(); }
244 void ClearAttributes() { if ( m_attr ) { delete m_attr; m_attr = NULL; } }
245
246 // setters
247 void SetMask(long mask)
248 { m_mask = mask; }
249 void SetId(long id)
250 { m_itemId = id; }
251 void SetColumn(int col)
252 { m_col = col; }
253 void SetState(long state)
254 { m_mask |= wxLIST_MASK_STATE; m_state = state; m_stateMask |= state; }
255 void SetStateMask(long stateMask)
256 { m_stateMask = stateMask; }
257 void SetText(const wxString& text)
258 { m_mask |= wxLIST_MASK_TEXT; m_text = text; }
259 void SetImage(int image)
260 { m_mask |= wxLIST_MASK_IMAGE; m_image = image; }
261 void SetData(long data)
262 { m_mask |= wxLIST_MASK_DATA; m_data = data; }
263 void SetData(void *data)
264 { m_mask |= wxLIST_MASK_DATA; m_data = wxPtrToUInt(data); }
265
266 void SetWidth(int width)
267 { m_mask |= wxLIST_MASK_WIDTH; m_width = width; }
268 void SetAlign(wxListColumnFormat align)
269 { m_mask |= wxLIST_MASK_FORMAT; m_format = align; }
270
271 void SetTextColour(const wxColour& colText)
272 { Attributes().SetTextColour(colText); }
273 void SetBackgroundColour(const wxColour& colBack)
274 { Attributes().SetBackgroundColour(colBack); }
275 void SetFont(const wxFont& font)
276 { Attributes().SetFont(font); }
277
278 // accessors
279 long GetMask() const { return m_mask; }
280 long GetId() const { return m_itemId; }
281 int GetColumn() const { return m_col; }
282 long GetState() const { return m_state & m_stateMask; }
283 const wxString& GetText() const { return m_text; }
284 int GetImage() const { return m_image; }
285 wxUIntPtr GetData() const { return m_data; }
286
287 int GetWidth() const { return m_width; }
288 wxListColumnFormat GetAlign() const { return (wxListColumnFormat)m_format; }
289
290 wxListItemAttr *GetAttributes() const { return m_attr; }
291 bool HasAttributes() const { return m_attr != NULL; }
292
293 wxColour GetTextColour() const
294 { return HasAttributes() ? m_attr->GetTextColour() : wxNullColour; }
295 wxColour GetBackgroundColour() const
296 { return HasAttributes() ? m_attr->GetBackgroundColour()
297 : wxNullColour; }
298 wxFont GetFont() const
299 { return HasAttributes() ? m_attr->GetFont() : wxNullFont; }
300
301 // this conversion is necessary to make old code using GetItem() to
302 // compile
303 operator long() const { return m_itemId; }
304
305 // these members are public for compatibility
306
307 long m_mask; // Indicates what fields are valid
308 long m_itemId; // The zero-based item position
309 int m_col; // Zero-based column, if in report mode
310 long m_state; // The state of the item
311 long m_stateMask;// Which flags of m_state are valid (uses same flags)
312 wxString m_text; // The label/header text
313 int m_image; // The zero-based index into an image list
314 wxUIntPtr m_data; // App-defined data
315
316 // For columns only
317 int m_format; // left, right, centre
318 int m_width; // width of column
319
320 #ifdef __WXPM__
321 int m_miniImage; // handle to the mini image for OS/2
322 #endif
323
324 protected:
325 // creates m_attr if we don't have it yet
326 wxListItemAttr& Attributes()
327 {
328 if ( !m_attr )
329 m_attr = new wxListItemAttr;
330
331 return *m_attr;
332 }
333
334 void Init()
335 {
336 m_mask = 0;
337 m_itemId = 0;
338 m_col = 0;
339 m_state = 0;
340 m_stateMask = 0;
341 m_image = 0;
342 m_data = 0;
343
344 m_format = wxLIST_FORMAT_CENTRE;
345 m_width = 0;
346 }
347
348 wxListItemAttr *m_attr; // optional pointer to the items style
349
350 private:
351 // VZ: this is strange, we have a copy ctor but not operator=(), why?
352 wxListItem& operator=(const wxListItem& item);
353
354 DECLARE_DYNAMIC_CLASS(wxListItem)
355 };
356
357 // ----------------------------------------------------------------------------
358 // wxListEvent - the event class for the wxListCtrl notifications
359 // ----------------------------------------------------------------------------
360
361 class WXDLLEXPORT wxListEvent : public wxNotifyEvent
362 {
363 public:
364 wxListEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
365 : wxNotifyEvent(commandType, winid)
366 , m_code(0)
367 , m_oldItemIndex(0)
368 , m_itemIndex(0)
369 , m_col(0)
370 , m_pointDrag()
371 , m_item()
372 , m_editCancelled(false)
373 { }
374
375 wxListEvent(const wxListEvent& event)
376 : wxNotifyEvent(event)
377 , m_code(event.m_code)
378 , m_oldItemIndex(event.m_oldItemIndex)
379 , m_itemIndex(event.m_itemIndex)
380 , m_col(event.m_col)
381 , m_pointDrag(event.m_pointDrag)
382 , m_item(event.m_item)
383 , m_editCancelled(event.m_editCancelled)
384 { }
385
386 int GetKeyCode() const { return m_code; }
387 long GetIndex() const { return m_itemIndex; }
388 int GetColumn() const { return m_col; }
389 wxPoint GetPoint() const { return m_pointDrag; }
390 const wxString& GetLabel() const { return m_item.m_text; }
391 const wxString& GetText() const { return m_item.m_text; }
392 int GetImage() const { return m_item.m_image; }
393 long GetData() const { return wx_static_cast(long, m_item.m_data); }
394 long GetMask() const { return m_item.m_mask; }
395 const wxListItem& GetItem() const { return m_item; }
396
397 // for wxEVT_COMMAND_LIST_CACHE_HINT only
398 long GetCacheFrom() const { return m_oldItemIndex; }
399 long GetCacheTo() const { return m_itemIndex; }
400
401 // was label editing canceled? (for wxEVT_COMMAND_LIST_END_LABEL_EDIT only)
402 bool IsEditCancelled() const { return m_editCancelled; }
403 void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; }
404
405 virtual wxEvent *Clone() const { return new wxListEvent(*this); }
406
407 //protected: -- not for backwards compatibility
408 int m_code;
409 long m_oldItemIndex; // only for wxEVT_COMMAND_LIST_CACHE_HINT
410 long m_itemIndex;
411 int m_col;
412 wxPoint m_pointDrag;
413
414 wxListItem m_item;
415
416 protected:
417 bool m_editCancelled;
418
419 private:
420 DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxListEvent)
421 };
422
423 // ----------------------------------------------------------------------------
424 // wxListCtrl event macros
425 // ----------------------------------------------------------------------------
426
427 BEGIN_DECLARE_EVENT_TYPES()
428 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG, 700)
429 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG, 701)
430 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT, 702)
431 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT, 703)
432 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM, 704)
433 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS, 705)
434 #if WXWIN_COMPATIBILITY_2_4
435 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO, 706)
436 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO, 707)
437 #endif
438 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED, 708)
439 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED, 709)
440 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN, 710)
441 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM, 711)
442 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK, 712)
443 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, 713)
444 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK, 714)
445 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED, 715)
446 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT, 716)
447 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK, 717)
448 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, 718)
449 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING, 719)
450 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG, 720)
451 DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED, 721)
452 END_DECLARE_EVENT_TYPES()
453
454 typedef void (wxEvtHandler::*wxListEventFunction)(wxListEvent&);
455
456 #define wxListEventHandler(func) \
457 (wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxListEventFunction, &func)
458
459 #define wx__DECLARE_LISTEVT(evt, id, fn) \
460 wx__DECLARE_EVT1(wxEVT_COMMAND_LIST_ ## evt, id, wxListEventHandler(fn))
461
462 #define EVT_LIST_BEGIN_DRAG(id, fn) wx__DECLARE_LISTEVT(BEGIN_DRAG, id, fn)
463 #define EVT_LIST_BEGIN_RDRAG(id, fn) wx__DECLARE_LISTEVT(BEGIN_RDRAG, id, fn)
464 #define EVT_LIST_BEGIN_LABEL_EDIT(id, fn) wx__DECLARE_LISTEVT(BEGIN_LABEL_EDIT, id, fn)
465 #define EVT_LIST_END_LABEL_EDIT(id, fn) wx__DECLARE_LISTEVT(END_LABEL_EDIT, id, fn)
466 #define EVT_LIST_DELETE_ITEM(id, fn) wx__DECLARE_LISTEVT(DELETE_ITEM, id, fn)
467 #define EVT_LIST_DELETE_ALL_ITEMS(id, fn) wx__DECLARE_LISTEVT(DELETE_ALL_ITEMS, id, fn)
468 #define EVT_LIST_KEY_DOWN(id, fn) wx__DECLARE_LISTEVT(KEY_DOWN, id, fn)
469 #define EVT_LIST_INSERT_ITEM(id, fn) wx__DECLARE_LISTEVT(INSERT_ITEM, id, fn)
470
471 #define EVT_LIST_COL_CLICK(id, fn) wx__DECLARE_LISTEVT(COL_CLICK, id, fn)
472 #define EVT_LIST_COL_RIGHT_CLICK(id, fn) wx__DECLARE_LISTEVT(COL_RIGHT_CLICK, id, fn)
473 #define EVT_LIST_COL_BEGIN_DRAG(id, fn) wx__DECLARE_LISTEVT(COL_BEGIN_DRAG, id, fn)
474 #define EVT_LIST_COL_DRAGGING(id, fn) wx__DECLARE_LISTEVT(COL_DRAGGING, id, fn)
475 #define EVT_LIST_COL_END_DRAG(id, fn) wx__DECLARE_LISTEVT(COL_END_DRAG, id, fn)
476
477 #define EVT_LIST_ITEM_SELECTED(id, fn) wx__DECLARE_LISTEVT(ITEM_SELECTED, id, fn)
478 #define EVT_LIST_ITEM_DESELECTED(id, fn) wx__DECLARE_LISTEVT(ITEM_DESELECTED, id, fn)
479 #define EVT_LIST_ITEM_RIGHT_CLICK(id, fn) wx__DECLARE_LISTEVT(ITEM_RIGHT_CLICK, id, fn)
480 #define EVT_LIST_ITEM_MIDDLE_CLICK(id, fn) wx__DECLARE_LISTEVT(ITEM_MIDDLE_CLICK, id, fn)
481 #define EVT_LIST_ITEM_ACTIVATED(id, fn) wx__DECLARE_LISTEVT(ITEM_ACTIVATED, id, fn)
482 #define EVT_LIST_ITEM_FOCUSED(id, fn) wx__DECLARE_LISTEVT(ITEM_FOCUSED, id, fn)
483
484 #define EVT_LIST_CACHE_HINT(id, fn) wx__DECLARE_LISTEVT(CACHE_HINT, id, fn)
485
486
487 #if WXWIN_COMPATIBILITY_2_4
488 #define EVT_LIST_GET_INFO(id, fn) wx__DECLARE_LISTEVT(GET_INFO, id, fn)
489 #define EVT_LIST_SET_INFO(id, fn) wx__DECLARE_LISTEVT(SET_INFO, id, fn)
490 #endif
491
492 #endif // wxUSE_LISTCTRL
493
494 #endif
495 // _WX_LISTCTRL_H_BASE_