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