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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/listctrl.h
3 // Purpose: interface of wxListCtrl
4 // Author: wxWidgets team
5 // RCS-ID: $Id$
6 // Licence: wxWindows license
7 /////////////////////////////////////////////////////////////////////////////
8
9 /**
10 @class wxListCtrl
11
12 A list control presents lists in a number of formats: list view, report view,
13 icon view and small icon view. In any case, elements are numbered from zero.
14 For all these modes, the items are stored in the control and must be added to
15 it using wxListCtrl::InsertItem method.
16
17 A special case of report view quite different from the other modes of the list
18 control is a virtual control in which the items data (including text, images
19 and attributes) is managed by the main program and is requested by the control
20 itself only when needed which allows to have controls with millions of items
21 without consuming much memory. To use virtual list control you must use
22 wxListCtrl::SetItemCount first and overload at least wxListCtrl::OnGetItemText
23 (and optionally wxListCtrl::OnGetItemImage or wxListCtrl::OnGetItemColumnImage and
24 wxListCtrl::OnGetItemAttr) to return the information about the items when the
25 control requests it.
26 Virtual list control can be used as a normal one except that no operations
27 which can take time proportional to the number of items in the control happen
28 -- this is required to allow having a practically infinite number of items.
29 For example, in a multiple selection virtual list control, the selections won't
30 be sent when many items are selected at once because this could mean iterating
31 over all the items.
32
33 Using many of wxListCtrl features is shown in the
34 @ref page_samples_listctrl "corresponding sample".
35
36 To intercept events from a list control, use the event table macros described
37 in wxListEvent.
38
39 <b>wxMac Note</b>: Starting with wxWidgets 2.8, wxListCtrl uses a native
40 implementation for report mode, and uses a generic implementation for other
41 modes. You can use the generic implementation for report mode as well by setting
42 the @c mac.listctrl.always_use_generic system option (see wxSystemOption) to 1.
43
44
45 @beginStyleTable
46 @style{wxLC_LIST}
47 Multicolumn list view, with optional small icons. Columns are
48 computed automatically, i.e. you don't set columns as in
49 wxLC_REPORT. In other words, the list wraps, unlike a wxListBox.
50 @style{wxLC_REPORT}
51 Single or multicolumn report view, with optional header.
52 @style{wxLC_VIRTUAL}
53 The application provides items text on demand. May only be used
54 with wxLC_REPORT.
55 @style{wxLC_ICON}
56 Large icon view, with optional labels.
57 @style{wxLC_SMALL_ICON}
58 Small icon view, with optional labels.
59 @style{wxLC_ALIGN_TOP}
60 Icons align to the top. Win32 default, Win32 only.
61 @style{wxLC_ALIGN_LEFT}
62 Icons align to the left.
63 @style{wxLC_AUTOARRANGE}
64 Icons arrange themselves. Win32 only.
65 @style{wxLC_EDIT_LABELS}
66 Labels are editable: the application will be notified when editing
67 starts.
68 @style{wxLC_NO_HEADER}
69 No header in report mode.
70 @style{wxLC_SINGLE_SEL}
71 Single selection (default is multiple).
72 @style{wxLC_SORT_ASCENDING}
73 Sort in ascending order. (You must still supply a comparison callback
74 in wxListCtrl::SortItems.)
75 @style{wxLC_SORT_DESCENDING}
76 Sort in descending order. (You must still supply a comparison callback
77 in wxListCtrl::SortItems.)
78 @style{wxLC_HRULES}
79 Draws light horizontal rules between rows in report mode.
80 @style{wxLC_VRULES}
81 Draws light vertical rules between columns in report mode.
82 @endStyleTable
83
84
85 @beginEventTable{wxListEvent}
86 @event{EVT_LIST_BEGIN_DRAG(id, func)}
87 Begin dragging with the left mouse button.
88 @event{EVT_LIST_BEGIN_RDRAG(id, func)}
89 Begin dragging with the right mouse button..
90 @event{EVT_BEGIN_LABEL_EDIT(id, func)}
91 Begin editing a label. This can be prevented by calling Veto().
92 @event{EVT_LIST_END_LABEL_EDIT(id, func)}
93 Finish editing a label. This can be prevented by calling Veto().
94 @event{EVT_LIST_DELETE_ITEM(id, func)}
95 An item was deleted.
96 @event{EVT_LIST_DELETE_ALL_ITEMS(id, func)}
97 All items were deleted.
98 @event{EVT_LIST_ITEM_SELECTED(id, func)}
99 The item has been selected.
100 @event{EVT_LIST_ITEM_DESELECTED(id, func)}
101 The item has been deselected.
102 @event{EVT_LIST_ITEM_ACTIVATED(id, func)}
103 The item has been activated (ENTER or double click).
104 @event{EVT_LIST_ITEM_FOCUSED(id, func)}
105 The currently focused item has changed.
106 @event{EVT_LIST_ITEM_MIDDLE_CLICK(id, func)}
107 The middle mouse button has been clicked on an item.
108 @event{EVT_LIST_ITEM_RIGHT_CLICK(id, func)}
109 The right mouse button has been clicked on an item.
110 @event{EVT_LIST_KEY_DOWN(id, func)}
111 A key has been pressed.
112 @event{EVT_LIST_INSERT_ITEM(id, func)}
113 An item has been inserted.
114 @event{EVT_LIST_COL_CLICK(id, func)}
115 A column (m_col) has been left-clicked.
116 @event{EVT_LIST_COL_RIGHT_CLICK(id, func)}
117 A column (m_col) has been right-clicked.
118 @event{EVT_LIST_COL_BEGIN_DRAG(id, func)}
119 The user started resizing a column - can be vetoed.
120 @event{EVT_LIST_COL_DRAGGING(id, func)}
121 The divider between columns is being dragged.
122 @event{EVT_LIST_COL_END_DRAG(id, func)}
123 A column has been resized by the user.
124 @event{EVT_LIST_CACHE_HINT(id, func)}
125 Prepare cache for a virtual list control.
126 @endEventTable
127
128
129 @library{wxcore}
130 @category{ctrl}
131 @appearance{listctrl.png}
132
133 @see @ref overview_listctrl, wxListView, wxListBox, wxTreeCtrl, wxImageList,
134 wxListEvent, wxListItem, wxEditableListBox
135 */
136 class wxListCtrl : public wxControl
137 {
138 public:
139 /**
140 Default constructor.
141 */
142 wxListCtrl();
143
144 /**
145 Constructor, creating and showing a list control.
146
147 @param parent
148 Parent window. Must not be @NULL.
149 @param id
150 Window identifier. The value wxID_ANY indicates a default value.
151 @param pos
152 Window position.
153 @param size
154 Window size.
155 If wxDefaultSize is specified then the window is sized appropriately.
156 @param style
157 Window style. See wxListCtrl.
158 @param validator
159 Window validator.
160 @param name
161 Window name.
162
163 @see Create(), wxValidator
164 */
165 wxListCtrl(wxWindow* parent, wxWindowID id,
166 const wxPoint& pos = wxDefaultPosition,
167 const wxSize& size = wxDefaultSize,
168 long style = wxLC_ICON,
169 const wxValidator& validator = wxDefaultValidator,
170 const wxString& name = wxListCtrlNameStr);
171
172 /**
173 Destructor, destroying the list control.
174 */
175 virtual ~wxListCtrl();
176
177 /**
178 Arranges the items in icon or small icon view.
179 This only has effect on Win32. @a flag is one of:
180 - wxLIST_ALIGN_DEFAULT: Default alignment.
181 - wxLIST_ALIGN_LEFT: Align to the left side of the control.
182 - wxLIST_ALIGN_TOP: Align to the top side of the control.
183 - wxLIST_ALIGN_SNAP_TO_GRID: Snap to grid.
184 */
185 bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);
186
187 /**
188 Sets the image list associated with the control and takes ownership of it
189 (i.e. the control will, unlike when using SetImageList(), delete the list
190 when destroyed). @a which is one of @c wxIMAGE_LIST_NORMAL, @c wxIMAGE_LIST_SMALL,
191 @c wxIMAGE_LIST_STATE (the last is unimplemented).
192
193 @see SetImageList()
194 */
195 void AssignImageList(wxImageList* imageList, int which);
196
197 /**
198 Deletes all items and all columns.
199 */
200 void ClearAll();
201
202 /**
203 Creates the list control. See wxListCtrl() for further details.
204 */
205 bool Create(wxWindow* parent, wxWindowID id,
206 const wxPoint& pos = wxDefaultPosition,
207 const wxSize& size = wxDefaultSize,
208 long style = wxLC_ICON,
209 const wxValidator& validator = wxDefaultValidator,
210 const wxString& name = wxListCtrlNameStr);
211
212 /**
213 Deletes all items in the list control.
214
215 @note This function does @e not send the @c wxEVT_COMMAND_LIST_DELETE_ITEM
216 event because deleting many items from the control would be too slow
217 then (unlike wxListCtrl::DeleteItem).
218 */
219 bool DeleteAllItems();
220
221 /**
222 Deletes a column.
223 */
224 bool DeleteColumn(int col);
225
226 /**
227 Deletes the specified item.
228 This function sends the @c wxEVT_COMMAND_LIST_DELETE_ITEM event for the
229 item being deleted.
230
231 @see DeleteAllItems()
232 */
233 bool DeleteItem(long item);
234
235 /**
236 Starts editing the label of the given item.
237
238 This function generates a @c EVT_LIST_BEGIN_LABEL_EDIT event which can be
239 vetoed so that no text control will appear for in-place editing.
240
241 If the user changed the label (i.e. s/he does not press ESC or leave
242 the text control without changes, a @c EVT_LIST_END_LABEL_EDIT event
243 will be sent which can be vetoed as well.
244 */
245 wxTextCtrl* EditLabel(long item,
246 wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
247
248 /**
249 Ensures this item is visible.
250 */
251 bool EnsureVisible(long item);
252
253 /**
254 Find an item whose label matches this string, starting from start or the
255 beginning if start is @c -1. The string comparison is case insensitive.
256
257 If @a partial is @true then this method will look for items which begin with @a str.
258 */
259 long FindItem(long start, const wxString& str,
260 bool partial = false);
261
262 /**
263 Find an item whose data matches this data, starting from start or the
264 beginning if 'start' is @c -1.
265 */
266 long FindItem(long start, wxUIntPtr data);
267
268 /**
269 Find an item nearest this position in the specified direction,
270 starting from @a start or the beginning if @a start is -1.
271 */
272 long FindItem(long start, const wxPoint& pt, int direction);
273
274 /**
275 Gets information about this column.
276 See SetItem() for more information.
277 */
278 bool GetColumn(int col, wxListItem& item) const;
279
280 /**
281 Returns the number of columns.
282 */
283 int GetColumnCount() const;
284
285 /**
286 Gets the column index from its position in visual order.
287
288 After calling SetColumnsOrder(), the index returned by this function
289 corresponds to the value of the element number @a pos in the array
290 returned by GetColumnsOrder().
291
292 Please see SetColumnsOrder() documentation for an example and
293 additional remarks about the columns ordering.
294
295 @see GetColumnOrder()
296 */
297 int GetColumnIndexFromOrder(int pos) const;
298
299 /**
300 Gets the column visual order position.
301
302 This function returns the index of the column which appears at the
303 given visual position, e.g. calling it with @a col equal to 0 returns
304 the index of the first shown column.
305
306 Please see SetColumnsOrder() documentation for an example and
307 additional remarks about the columns ordering.
308
309 @see GetColumnsOrder(), GetColumnIndexFromOrder()
310 */
311 int GetColumnOrder(int col) const;
312
313 /**
314 Gets the column width (report view only).
315 */
316 int GetColumnWidth(int col) const;
317
318 /**
319 Returns the array containing the orders of all columns.
320
321 On error, an empty array is returned.
322
323 Please see SetColumnsOrder() documentation for an example and
324 additional remarks about the columns ordering.
325
326 @see GetColumnOrder(), GetColumnIndexFromOrder()
327 */
328 wxArrayInt GetColumnsOrder() const;
329
330 /**
331 Gets the number of items that can fit vertically in the visible area of
332 the list control (list or report view) or the total number of items in
333 the list control (icon or small icon view).
334 */
335 int GetCountPerPage() const;
336
337 /**
338 Returns the edit control being currently used to edit a label.
339 Returns @NULL if no label is being edited.
340
341 @note It is currently only implemented for wxMSW and the generic version,
342 not for the native Mac OS X version.
343 */
344 wxTextCtrl* GetEditControl() const;
345
346 /**
347 Returns the specified image list. @a which may be one of:
348 - wxIMAGE_LIST_NORMAL: The normal (large icon) image list.
349 - wxIMAGE_LIST_SMALL: The small icon image list.
350 - wxIMAGE_LIST_STATE: The user-defined state image list (unimplemented).
351 */
352 wxImageList* GetImageList(int which) const;
353
354 /**
355 Gets information about the item. See SetItem() for more information.
356
357 You must call @e info.SetId() to set the ID of item you're interested in
358 before calling this method, and @e info.SetMask() with the flags indicating
359 what fields you need to retrieve from @a info.
360 */
361 bool GetItem(wxListItem& info) const;
362
363 /**
364 Returns the colour for this item.
365 If the item has no specific colour, returns an invalid colour
366 (and not the default background control of the control itself).
367
368 @see GetItemTextColour()
369 */
370 wxColour GetItemBackgroundColour(long item) const;
371
372 /**
373 Returns the number of items in the list control.
374 */
375 int GetItemCount() const;
376
377 /**
378 Gets the application-defined data associated with this item.
379 */
380 wxUIntPtr GetItemData(long item) const;
381
382 /**
383 Returns the item's font.
384 */
385 wxFont GetItemFont(long item) const;
386
387 /**
388 Returns the position of the item, in icon or small icon view.
389 */
390 bool GetItemPosition(long item, wxPoint& pos) const;
391
392 /**
393 Returns the rectangle representing the item's size and position, in physical
394 coordinates.
395
396 @a code is one of wxLIST_RECT_BOUNDS, wxLIST_RECT_ICON, wxLIST_RECT_LABEL.
397 */
398 bool GetItemRect(long item, wxRect& rect,
399 int code = wxLIST_RECT_BOUNDS) const;
400
401 /**
402 Retrieves the spacing between icons in pixels: horizontal spacing is
403 returned as @c x component of the wxSize object and the vertical spacing
404 as its @c y component.
405 */
406 wxSize GetItemSpacing() const;
407
408 /**
409 Gets the item state. For a list of state flags, see SetItem().
410 The @a stateMask indicates which state flags are of interest.
411 */
412 int GetItemState(long item, long stateMask) const;
413
414 /**
415 Gets the item text for this item.
416 */
417 wxString GetItemText(long item) const;
418
419 /**
420 Returns the colour for this item.
421
422 If the item has no specific colour, returns an invalid colour (and not the
423 default foreground control of the control itself as this wouldn't allow
424 distinguishing between items having the same colour as the current control
425 foreground and items with default colour which, hence, have always the
426 same colour as the control).
427 */
428 wxColour GetItemTextColour(long item) const;
429
430 /**
431 Searches for an item with the given geometry or state, starting from
432 @a item but excluding the @a item itself.
433
434 If @a item is -1, the first item that matches the specified flags will be returned.
435 Returns the first item with given state following @a item or -1 if no such item found.
436 This function may be used to find all selected items in the control like this:
437
438 @code
439 long item = -1;
440 for ( ;; )
441 {
442 item = listctrl->GetNextItem(item,
443 wxLIST_NEXT_ALL,
444 wxLIST_STATE_SELECTED);
445 if ( item == -1 )
446 break;
447
448 // this item is selected - do whatever is needed with it
449 wxLogMessage("Item %ld is selected.", item);
450 }
451 @endcode
452
453 @a geometry can be one of:
454 - wxLIST_NEXT_ABOVE: Searches for an item above the specified item.
455 - wxLIST_NEXT_ALL: Searches for subsequent item by index.
456 - wxLIST_NEXT_BELOW: Searches for an item below the specified item.
457 - wxLIST_NEXT_LEFT: Searches for an item to the left of the specified item.
458 - wxLIST_NEXT_RIGHT: Searches for an item to the right of the specified item.
459
460 @note this parameter is only supported by wxMSW currently and ignored on
461 other platforms.
462
463 @a state can be a bitlist of the following:
464 - wxLIST_STATE_DONTCARE: Don't care what the state is.
465 - wxLIST_STATE_DROPHILITED: The item indicates it is a drop target.
466 - wxLIST_STATE_FOCUSED: The item has the focus.
467 - wxLIST_STATE_SELECTED: The item is selected.
468 - wxLIST_STATE_CUT: The item is selected as part of a cut and paste operation.
469 */
470 long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL,
471 int state = wxLIST_STATE_DONTCARE) const;
472
473 /**
474 Returns the number of selected items in the list control.
475 */
476 int GetSelectedItemCount() const;
477
478 /**
479 Returns the rectangle representing the size and position, in physical
480 coordinates, of the given subitem, i.e. the part of the row @a item in the
481 column @a subItem.
482
483 This method is only meaningfull when the wxListCtrl is in the report mode.
484 If @a subItem parameter is equal to the special value
485 @c wxLIST_GETSUBITEMRECT_WHOLEITEM the return value is the same as
486 for GetItemRect().
487
488 @a code can be one of @c wxLIST_RECT_BOUNDS, @c wxLIST_RECT_ICON or
489 @c wxLIST_RECT_LABEL.
490
491 @since 2.7.0
492 */
493 bool GetSubItemRect(long item, long subItem, wxRect& rect,
494 int code = wxLIST_RECT_BOUNDS) const;
495
496 /**
497 Gets the text colour of the list control.
498 */
499 wxColour GetTextColour() const;
500
501 /**
502 Gets the index of the topmost visible item when in list or report view.
503 */
504 long GetTopItem() const;
505
506 /**
507 Returns the rectangle taken by all items in the control. In other words, if the
508 controls client size were equal to the size of this rectangle, no scrollbars
509 would be needed and no free space would be left.
510
511 Note that this function only works in the icon and small icon views, not in
512 list or report views (this is a limitation of the native Win32 control).
513 */
514 wxRect GetViewRect() const;
515
516 /**
517 Determines which item (if any) is at the specified point, giving details
518 in @a flags. Returns index of the item or @c wxNOT_FOUND if no item is at
519 the specified point.
520
521 @a flags will be a combination of the following flags:
522 - wxLIST_HITTEST_ABOVE: Above the client area.
523 - wxLIST_HITTEST_BELOW: Below the client area.
524 - wxLIST_HITTEST_NOWHERE: In the client area but below the last item.
525 - wxLIST_HITTEST_ONITEMICON: On the bitmap associated with an item.
526 - wxLIST_HITTEST_ONITEMLABEL: On the label (string) associated with an item.
527 - wxLIST_HITTEST_ONITEMRIGHT: In the area to the right of an item.
528 - wxLIST_HITTEST_ONITEMSTATEICON: On the state icon for a tree view item
529 that is in a user-defined state.
530 - wxLIST_HITTEST_TOLEFT: To the right of the client area.
531 - wxLIST_HITTEST_TORIGHT: To the left of the client area.
532 - wxLIST_HITTEST_ONITEM: Combination of @c wxLIST_HITTEST_ONITEMICON,
533 @c wxLIST_HITTEST_ONITEMLABEL, @c wxLIST_HITTEST_ONITEMSTATEICON.
534
535 If @a ptrSubItem is not @NULL and the wxListCtrl is in the report
536 mode the subitem (or column) number will also be provided.
537 This feature is only available in version 2.7.0 or higher and is currently only
538 implemented under wxMSW and requires at least comctl32.dll of verion 4.70 on
539 the host system or the value stored in @a ptrSubItem will be always -1.
540 To compile this feature into wxWidgets library you need to have access to
541 commctrl.h of version 4.70 that is provided by Microsoft.
542 */
543 long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
544
545 /**
546 For report view mode (only), inserts a column. For more details, see SetItem().
547 */
548 long InsertColumn(long col, wxListItem& info);
549
550 /**
551 For report view mode (only), inserts a column. For more details, see SetItem().
552 */
553 long InsertColumn(long col, const wxString& heading,
554 int format = wxLIST_FORMAT_LEFT,
555 int width = -1);
556
557 /**
558 Inserts an item, returning the index of the new item if successful, -1 otherwise.
559
560 @param info
561 wxListItem object
562 */
563 long InsertItem(wxListItem& info);
564
565 /**
566 Insert an string item.
567
568 @param index
569 Index of the new item, supplied by the application
570 @param label
571 String label
572 */
573 long InsertItem(long index, const wxString& label);
574
575 /**
576 Insert an image item.
577
578 @param index
579 Index of the new item, supplied by the application
580 @param imageIndex
581 Index into the image list associated with this control and view style
582 */
583 long InsertItem(long index, int imageIndex);
584
585 /**
586 Insert an image/string item.
587
588 @param index
589 Index of the new item, supplied by the application
590 @param label
591 String label
592 @param imageIndex
593 Index into the image list associated with this control and view style
594 */
595 long InsertItem(long index, const wxString& label,
596 int imageIndex);
597
598 /**
599 Redraws the given @e item.
600
601 This is only useful for the virtual list controls as without calling this
602 function the displayed value of the item doesn't change even when the
603 underlying data does change.
604
605 @see RefreshItems()
606 */
607 void RefreshItem(long item);
608
609 /**
610 Redraws the items between @a itemFrom and @e itemTo.
611 The starting item must be less than or equal to the ending one.
612
613 Just as RefreshItem() this is only useful for virtual list controls.
614 */
615 void RefreshItems(long itemFrom, long itemTo);
616
617 /**
618 Scrolls the list control. If in icon, small icon or report view mode,
619 @a dx specifies the number of pixels to scroll. If in list view mode,
620 @a dx specifies the number of columns to scroll. @a dy always specifies
621 the number of pixels to scroll vertically.
622
623 @note This method is currently only implemented in the Windows version.
624 */
625 bool ScrollList(int dx, int dy);
626
627 /**
628 Sets the background colour.
629
630 Note that the wxWindow::GetBackgroundColour() function of wxWindow base
631 class can be used to retrieve the current background colour.
632 */
633 virtual bool SetBackgroundColour(const wxColour& col);
634
635 /**
636 Sets information about this column.
637 See SetItem() for more information.
638 */
639 bool SetColumn(int col, wxListItem& item);
640
641 /**
642 Sets the column width.
643
644 @a width can be a width in pixels or @c wxLIST_AUTOSIZE (-1) or
645 @c wxLIST_AUTOSIZE_USEHEADER (-2).
646
647 @c wxLIST_AUTOSIZE will resize the column to the length of its longest item.
648
649 @c wxLIST_AUTOSIZE_USEHEADER will resize the column to the length of the
650 header (Win32) or 80 pixels (other platforms).
651
652 In small or normal icon view, @a col must be -1, and the column width is set
653 for all columns.
654 */
655 bool SetColumnWidth(int col, int width);
656
657 /**
658 Changes the order in which the columns are shown.
659
660 By default, the columns of a list control appear on the screen in order
661 of their indices, i.e. the column 0 appears first, the column 1 next
662 and so on. However by using this function it is possible to arbitrarily
663 reorder the columns visual order and the user can also rearrange the
664 columns interactively by dragging them. In this case, the index of the
665 column is not the same as its order and the functions GetColumnOrder()
666 and GetColumnIndexFromOrder() should be used to translate between them.
667 Notice that all the other functions still work with the column indices,
668 i.e. the visual positioning of the columns on screen doesn't affect the
669 code setting or getting their values for example.
670
671 The @a orders array must have the same number elements as the number of
672 columns and contain each position exactly once. Its n-th element
673 contains the index of the column to be shown in n-th position, so for a
674 control with three columns passing an array with elements 2, 0 and 1
675 results in the third column being displayed first, the first one next
676 and the second one last.
677
678 Example of using it:
679 @code
680 wxListCtrl *list = new wxListCtrl(...);
681 for ( int i = 0; i < 3; i++ )
682 list->InsertColumn(i, wxString::Format("Column %d", i));
683
684 wxArrayInt order(3);
685 order[0] = 2;
686 order[1] = 0;
687 order[2] = 1;
688 list->SetColumnsOrder(order);
689
690 // now list->GetColumnsOrder() will return order and
691 // list->GetColumnIndexFromOrder(n) will return order[n] and
692 // list->GetColumnOrder() will return 1, 2 and 0 for the column 0,
693 // 1 and 2 respectively
694 @endcode
695
696 Please notice that this function makes sense for report view only and
697 currently is only implemented in wxMSW port. To avoid explicit tests
698 for @c __WXMSW__ in your code, please use @c wxHAS_LISTCTRL_COLUMN_ORDER
699 as this will allow it to start working under the other platforms when
700 support for the column reordering is added there.
701
702 @see GetColumnsOrder()
703 */
704 bool SetColumnsOrder(const wxArrayInt& orders) const;
705
706 /**
707 Sets the image list associated with the control.
708
709 @a which is one of @c wxIMAGE_LIST_NORMAL, @c wxIMAGE_LIST_SMALL,
710 @c wxIMAGE_LIST_STATE (the last is unimplemented).
711
712 This method does not take ownership of the image list, you have to
713 delete it yourself.
714
715 @see AssignImageList()
716 */
717 void SetImageList(wxImageList* imageList, int which);
718
719 /**
720 Sets the data of an item.
721
722 Using the wxListItem's mask and state mask, you can change only selected
723 attributes of a wxListCtrl item.
724 */
725 bool SetItem(wxListItem& info);
726
727 /**
728 Sets an item string field at a particular column.
729 */
730 long SetItem(long index, int column, const wxString& label, int imageId = -1);
731
732 /**
733 Sets the background colour for this item.
734 This function only works in report view mode.
735 The colour can be retrieved using GetItemBackgroundColour().
736 */
737 void SetItemBackgroundColour(long item, const wxColour& col);
738
739 /**
740 Sets the image associated with the item.
741 In report view, you can specify the column.
742 The image is an index into the image list associated with the list control.
743 */
744 bool SetItemColumnImage(long item, long column, int image);
745
746 /**
747 This method can only be used with virtual list controls.
748
749 It is used to indicate to the control the number of items it contains.
750 After calling it, the main program should be ready to handle calls to
751 various item callbacks (such as wxListCtrl::OnGetItemText) for all
752 items in the range from 0 to @a count.
753
754 Notice that the control is not necessarily redrawn after this call as
755 it may be undesirable if an item which is not visible on the screen
756 anyhow was added to or removed from a control displaying many items, if
757 you do need to refresh the display you can just call Refresh() manually.
758 */
759 void SetItemCount(long count);
760
761 /**
762 Associates application-defined data with this item.
763
764 Notice that this function cannot be used to associate pointers with the control
765 items, use SetItemPtrData() instead.
766 */
767 bool SetItemData(long item, long data);
768
769 /**
770 Sets the item's font.
771 */
772 void SetItemFont(long item, const wxFont& font);
773
774 /**
775 Sets the unselected and selected images associated with the item.
776 The images are indices into the image list associated with the list control.
777 */
778 bool SetItemImage(long item, int image, int selImage = -1);
779
780 /**
781 Sets the unselected and selected images associated with the item.
782 The images are indices into the image list associated with the list control.
783
784 @deprecated
785 This form is deprecated: @a selImage is not used; use the other
786 SetItemImage() overload.
787 */
788 bool SetItemImage(long item, int image, int selImage = -1);
789
790 /**
791 Sets the position of the item, in icon or small icon view. Windows only.
792 */
793 bool SetItemPosition(long item, const wxPoint& pos);
794
795 /**
796 Associates application-defined data with this item.
797
798 The @a data parameter may be either an integer or a pointer cast to the
799 @c wxUIntPtr type which is guaranteed to be large enough to be able to
800 contain all integer types and pointers.
801
802 @since 2.8.4
803 */
804 bool SetItemPtrData(long item, wxUIntPtr data);
805
806 /**
807 Sets the item state. For a list of state flags, see SetItem().
808 The @b stateMask indicates which state flags are valid.
809 */
810 bool SetItemState(long item, long state, long stateMask);
811
812 /**
813 Sets the item text for this item.
814 */
815 void SetItemText(long item, const wxString& text);
816
817 /**
818 Sets the colour for this item.
819 This function only works in report view.
820 The colour can be retrieved using GetItemTextColour().
821 */
822 void SetItemTextColour(long item, const wxColour& col);
823
824 /**
825 Adds or removes a single window style.
826 */
827 void SetSingleStyle(long style, bool add = true);
828
829 /**
830 Sets the text colour of the list control.
831 */
832 void SetTextColour(const wxColour& col);
833
834 /**
835 Sets the whole window style, deleting all items.
836 */
837 void SetWindowStyleFlag(long style);
838
839 /**
840 Call this function to sort the items in the list control. Sorting is done
841 using the specified @a fnSortCallBack function. This function must have the
842 following prototype:
843 @code
844 int wxCALLBACK wxListCompareFunction(long item1, long item2, long sortData)
845 @endcode
846
847 It is called each time when the two items must be compared and should return 0
848 if the items are equal, negative value if the first item is less than the
849 second one and positive value if the first one is greater than the second one
850 (the same convention as used by @c qsort(3)).
851
852 The parameter @e item1 is the client data associated with the first item (NOT the index).
853 The parameter @e item2 is the client data associated with the second item (NOT the index).
854 The parameter @e data is the value passed to SortItems() itself.
855
856 Notice that the control may only be sorted on client data associated with
857 the items, so you must use SetItemData if you want to be able to sort the
858 items in the control.
859
860 Please see the @ref page_samples_listctrl for an example of using this function.
861 */
862 bool SortItems(wxListCtrlCompare fnSortCallBack, long data);
863
864 protected:
865
866 /**
867 This function may be overloaded in the derived class for a control with
868 @c wxLC_VIRTUAL style. It should return the attribute for the specified
869 @c item or @NULL to use the default appearance parameters.
870
871 wxListCtrl will not delete the pointer or keep a reference of it.
872 You can return the same wxListItemAttr pointer for every OnGetItemAttr() call.
873
874 The base class version always returns @NULL.
875
876 @see OnGetItemImage(), OnGetItemColumnImage(), OnGetItemText()
877 */
878 virtual wxListItemAttr* OnGetItemAttr(long item) const;
879
880 /**
881 Overload this function in the derived class for a control with
882 @c wxLC_VIRTUAL and @c wxLC_REPORT styles in order to specify the image
883 index for the given line and column.
884
885 The base class version always calls OnGetItemImage() for the first column, else
886 it returns -1.
887
888 @see OnGetItemText(), OnGetItemImage(), OnGetItemAttr()
889 */
890 virtual int OnGetItemColumnImage(long item, long column) const;
891
892 /**
893 This function must be overloaded in the derived class for a control with
894 @c wxLC_VIRTUAL style having an "image list" (see SetImageList(); if the
895 control doesn't have an image list, it is not necessary to overload it).
896 It should return the index of the items image in the controls image list
897 or -1 for no image.
898
899 In a control with @c wxLC_REPORT style, OnGetItemImage() only gets called for
900 the first column of each line.
901
902 The base class version always returns -1.
903
904 @see OnGetItemText(), OnGetItemColumnImage(), OnGetItemAttr()
905 */
906 virtual int OnGetItemImage(long item) const;
907
908 /**
909 This function @b must be overloaded in the derived class for a control with
910 @c wxLC_VIRTUAL style. It should return the string containing the text of
911 the given @a column for the specified @c item.
912
913 @see SetItemCount(), OnGetItemImage(), OnGetItemColumnImage(), OnGetItemAttr()
914 */
915 virtual wxString OnGetItemText(long item, long column) const;
916 };
917
918
919
920 /**
921 @class wxListEvent
922
923 A list event holds information about events associated with wxListCtrl objects.
924
925 @beginEventTable{wxListEvent}
926 @event{EVT_LIST_BEGIN_DRAG(id, func)}
927 Begin dragging with the left mouse button.
928 @event{EVT_LIST_BEGIN_RDRAG(id, func)}
929 Begin dragging with the right mouse button.
930 @event{EVT_LIST_BEGIN_LABEL_EDIT(id, func)}
931 Begin editing a label. This can be prevented by calling Veto().
932 @event{EVT_LIST_END_LABEL_EDIT(id, func)}
933 Finish editing a label. This can be prevented by calling Veto().
934 @event{EVT_LIST_DELETE_ITEM(id, func)}
935 Delete an item.
936 @event{EVT_LIST_DELETE_ALL_ITEMS(id, func)}
937 Delete all items.
938 @event{EVT_LIST_ITEM_SELECTED(id, func)}
939 The item has been selected.
940 @event{EVT_LIST_ITEM_DESELECTED(id, func)}
941 The item has been deselected.
942 @event{EVT_LIST_ITEM_ACTIVATED(id, func)}
943 The item has been activated (ENTER or double click).
944 @event{EVT_LIST_ITEM_FOCUSED(id, func)}
945 The currently focused item has changed.
946 @event{EVT_LIST_ITEM_MIDDLE_CLICK(id, func)}
947 The middle mouse button has been clicked on an item.
948 @event{EVT_LIST_ITEM_RIGHT_CLICK(id, func)}
949 The right mouse button has been clicked on an item.
950 @event{EVT_LIST_KEY_DOWN(id, func)}
951 A key has been pressed.
952 @event{EVT_LIST_INSERT_ITEM(id, func)}
953 An item has been inserted.
954 @event{EVT_LIST_COL_CLICK(id, func)}
955 A column (m_col) has been left-clicked.
956 @event{EVT_LIST_COL_RIGHT_CLICK(id, func)}
957 A column (m_col) (which can be -1 if the click occurred outside any column)
958 has been right-clicked.
959 @event{EVT_LIST_COL_BEGIN_DRAG(id, func)}
960 The user started resizing a column - can be vetoed.
961 @event{EVT_LIST_COL_DRAGGING(id, func)}
962 The divider between columns is being dragged.
963 @event{EVT_LIST_COL_END_DRAG(id, func)}
964 A column has been resized by the user.
965 @event{EVT_LIST_CACHE_HINT(id, func)}
966 Prepare cache for a virtual list control
967 @endEventTable
968
969
970 @library{wxbase}
971 @category{events}
972
973 @see wxListCtrl
974 */
975 class wxListEvent : public wxNotifyEvent
976 {
977 public:
978 /**
979 Constructor.
980 */
981 wxListEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
982
983 /**
984 For @c EVT_LIST_CACHE_HINT event only: return the first item which the
985 list control advises us to cache.
986 */
987 long GetCacheFrom() const;
988
989 /**
990 For @c EVT_LIST_CACHE_HINT event only: return the last item (inclusive)
991 which the list control advises us to cache.
992 */
993 long GetCacheTo() const;
994
995 /**
996 The column position: it is only used with @c COL events.
997
998 For the column dragging events, it is the column to the left of the divider
999 being dragged, for the column click events it may be -1 if the user clicked
1000 in the list control header outside any column.
1001 */
1002 int GetColumn() const;
1003
1004 /**
1005 The data.
1006 */
1007 long GetData() const;
1008
1009 /**
1010 The image.
1011 */
1012 int GetImage() const;
1013
1014 /**
1015 The item index.
1016 */
1017 long GetIndex() const;
1018
1019 /**
1020 An item object, used by some events. See also wxListCtrl::SetItem.
1021 */
1022 const wxListItem& GetItem() const;
1023
1024 /**
1025 Key code if the event is a keypress event.
1026 */
1027 int GetKeyCode() const;
1028
1029 /**
1030 The (new) item label for @c EVT_LIST_END_LABEL_EDIT event.
1031 */
1032 const wxString& GetLabel() const;
1033
1034 /**
1035 The mask.
1036 */
1037 long GetMask() const;
1038
1039 /**
1040 The position of the mouse pointer if the event is a drag event.
1041 */
1042 wxPoint GetPoint() const;
1043
1044 /**
1045 The text.
1046 */
1047 const wxString& GetText() const;
1048
1049 /**
1050 This method only makes sense for @c EVT_LIST_END_LABEL_EDIT message and
1051 returns @true if it the label editing has been cancelled by the user
1052 (GetLabel() returns an empty string in this case but it doesn't allow the
1053 application to distinguish between really cancelling the edit and the
1054 admittedly rare case when the user wants to rename it to an empty string).
1055 */
1056 bool IsEditCancelled() const;
1057 };
1058
1059
1060
1061 /**
1062 @class wxListItemAttr
1063
1064 Represents the attributes (color, font, ...) of a wxListCtrl's wxListItem.
1065
1066 @library{wxbase}
1067 @category{ctrl}
1068
1069 @see @ref overview_listctrl, wxListCtrl, wxListItem
1070 */
1071 class wxListItemAttr
1072 {
1073 public:
1074 /**
1075 Default Constructor.
1076 */
1077 wxListItemAttr();
1078
1079 /**
1080 Construct a wxListItemAttr with the specified foreground and
1081 background colors and font.
1082 */
1083 wxListItemAttr(const wxColour& colText,
1084 const wxColour& colBack,
1085 const wxFont& font);
1086
1087 /**
1088 Returns the currently set background color.
1089 */
1090 const wxColour& GetBackgroundColour() const;
1091
1092 /**
1093 Returns the currently set font.
1094 */
1095 const wxFont& GetFont() const;
1096
1097 /**
1098 Returns the currently set text color.
1099 */
1100 const wxColour& GetTextColour() const;
1101
1102 /**
1103 Returns @true if the currently set background color is valid.
1104 */
1105 bool HasBackgroundColour() const;
1106
1107 /**
1108 Returns @true if the currently set font is valid.
1109 */
1110 bool HasFont() const;
1111
1112 /**
1113 Returns @true if the currently set text color is valid.
1114 */
1115 bool HasTextColour() const;
1116
1117 /**
1118 Sets a new background color.
1119 */
1120 void SetBackgroundColour(const wxColour& colour);
1121
1122 /**
1123 Sets a new font.
1124 */
1125 void SetFont(const wxFont& font);
1126
1127 /**
1128 Sets a new text color.
1129 */
1130 void SetTextColour(const wxColour& colour);
1131 };
1132
1133
1134
1135 /**
1136 @class wxListView
1137
1138 This class currently simply presents a simpler to use interface for the
1139 wxListCtrl -- it can be thought of as a @e façade for that complicated class.
1140
1141 Using it is preferable to using wxListCtrl directly whenever possible because
1142 in the future some ports might implement wxListView but not the full set of
1143 wxListCtrl features.
1144
1145 Other than different interface, this class is identical to wxListCtrl.
1146 In particular, it uses the same events, same window styles and so on.
1147
1148 @library{wxcore}
1149 @category{ctrl}
1150 @appearance{listview.png}
1151
1152 @see wxListView::SetColumnImage
1153 */
1154 class wxListView : public wxListCtrl
1155 {
1156 public:
1157 /**
1158 Resets the column image -- after calling this function, no image will be shown.
1159
1160 @param col
1161 the column to clear image for
1162
1163 @see SetColumnImage()
1164 */
1165 void ClearColumnImage(int col);
1166
1167 /**
1168 Sets focus to the item with the given @a index.
1169 */
1170 void Focus(long index);
1171
1172 /**
1173 Returns the first selected item in a (presumably) multiple selection control.
1174 Together with GetNextSelected() it can be used to iterate over all selected
1175 items in the control.
1176
1177 @return The first selected item, if any, -1 otherwise.
1178 */
1179 long GetFirstSelected() const;
1180
1181 /**
1182 Returns the currently focused item or -1 if none.
1183
1184 @see IsSelected(), Focus()
1185 */
1186 long GetFocusedItem() const;
1187
1188 /**
1189 Used together with GetFirstSelected() to iterate over all selected items
1190 in the control.
1191
1192 @return Returns the next selected item or -1 if there are no more of them.
1193 */
1194 long GetNextSelected(long item) const;
1195
1196 /**
1197 Returns @true if the item with the given @a index is selected,
1198 @false otherwise.
1199
1200 @see GetFirstSelected(), GetNextSelected()
1201 */
1202 bool IsSelected(long index) const;
1203
1204 /**
1205 Selects or unselects the given item.
1206
1207 @param n
1208 the item to select or unselect
1209 @param on
1210 if @true (default), selects the item, otherwise unselects it
1211
1212 @see wxListCtrl::SetItemState
1213 */
1214 void Select(long n, bool on = true);
1215
1216 /**
1217 Sets the column image for the specified column.
1218 To use the column images, the control must have a valid image list with
1219 at least one image.
1220
1221 @param col
1222 the column to set image for
1223 @param image
1224 the index of the column image in the controls image list
1225 */
1226 void SetColumnImage(int col, int image);
1227 };
1228
1229
1230 /**
1231 Column format (MSW only except wxLIST_FORMAT_LEFT).
1232 */
1233 enum wxListColumnFormat
1234 {
1235 wxLIST_FORMAT_LEFT,
1236 wxLIST_FORMAT_RIGHT,
1237 wxLIST_FORMAT_CENTRE,
1238 wxLIST_FORMAT_CENTER = wxLIST_FORMAT_CENTRE
1239 };
1240
1241 /**
1242 @class wxListItem
1243
1244 This class stores information about a wxListCtrl item or column.
1245
1246 wxListItem is a class which contains informations about:
1247 - Zero based item position; see SetId() and GetId().
1248 - Zero based column index; see SetColumn() and GetColumn().
1249 - The label (or header for columns); see SetText() and GetText().
1250 - The zero based index into an image list; see GetImage() and SetImage().
1251 - Application defined data; see SetData() and GetData().
1252 - For columns only: the width of the column; see SetWidth() and GetWidth().
1253 - For columns only: the format of the column; one of @c wxLIST_FORMAT_LEFT,
1254 @c wxLIST_FORMAT_RIGHT, @c wxLIST_FORMAT_CENTRE. See SetAlign() and GetAlign().
1255 - The state of the item; see SetState() and GetState().
1256 This is a bitlist of the following flags:
1257 - @c wxLIST_STATE_FOCUSED: The item has the focus.
1258 - @c wxLIST_STATE_SELECTED: The item is selected.
1259 - @c wxLIST_STATE_DONTCARE: Don't care what the state is. Win32 only.
1260 - @c wxLIST_STATE_DROPHILITED: The item is highlighted to receive a drop event. Win32 only.
1261 - @c wxLIST_STATE_CUT: The item is in the cut state. Win32 only.
1262 - A mask indicating which state flags are valid; this is a bitlist of the
1263 flags reported above for the item state. See SetStateMask() and GetStateMask().
1264 - A mask indicating which fields of this class are valid; see SetMask() and GetMask().
1265 This is a bitlist of the following flags:
1266 - @c wxLIST_MASK_STATE: The state field is valid.
1267 - @c wxLIST_MASK_TEXT: The label field is valid.
1268 - @c wxLIST_MASK_IMAGE: The image field is valid.
1269 - @c wxLIST_MASK_DATA: The application-defined data field is valid.
1270 - @c wxLIST_MASK_WIDTH: The column width field is valid.
1271 - @c wxLIST_MASK_FORMAT: The column format field is valid.
1272
1273 The wxListItem object can also contain item-specific colour and font
1274 information: for this you need to call one of SetTextColour(), SetBackgroundColour()
1275 or SetFont() functions on it passing it the colour/font to use.
1276 If the colour/font is not specified, the default list control colour/font is used.
1277
1278 @library{wxbase}
1279 @category{ctrl}
1280
1281 @see wxListCtrl
1282 */
1283 class wxListItem : public wxObject
1284 {
1285 public:
1286 /**
1287 Constructor.
1288 */
1289 wxListItem();
1290
1291 /**
1292 Resets the item state to the default.
1293 */
1294 void Clear();
1295
1296 /**
1297 Returns the alignment for this item.
1298 Can be one of @c wxLIST_FORMAT_LEFT, @c wxLIST_FORMAT_RIGHT or @c wxLIST_FORMAT_CENTRE.
1299 */
1300 wxListColumnFormat GetAlign() const;
1301
1302 /**
1303 Returns the background colour for this item.
1304 */
1305 wxColour GetBackgroundColour() const;
1306
1307 /**
1308 Returns the zero-based column; meaningful only in report mode.
1309 */
1310 int GetColumn() const;
1311
1312 /**
1313 Returns client data associated with the control.
1314 Please note that client data is associated with the item and not with subitems.
1315 */
1316 wxUIntPtr GetData() const;
1317
1318 /**
1319 Returns the font used to display the item.
1320 */
1321 wxFont GetFont() const;
1322
1323 /**
1324 Returns the zero-based item position.
1325 */
1326 long GetId() const;
1327
1328 /**
1329 Returns the zero-based index of the image associated with the item into
1330 the image list.
1331 */
1332 int GetImage() const;
1333
1334 /**
1335 Returns a bit mask indicating which fields of the structure are valid.
1336
1337 Can be any combination of the following values:
1338 - wxLIST_MASK_STATE: @b GetState is valid.
1339 - wxLIST_MASK_TEXT: @b GetText is valid.
1340 - wxLIST_MASK_IMAGE: @b GetImage is valid.
1341 - wxLIST_MASK_DATA: @b GetData is valid.
1342 - wxLIST_MASK_WIDTH: @b GetWidth is valid.
1343 - wxLIST_MASK_FORMAT: @b GetFormat is valid.
1344 */
1345 long GetMask() const;
1346
1347 /**
1348 Returns a bit field representing the state of the item.
1349
1350 Can be any combination of:
1351 - wxLIST_STATE_DONTCARE: Don't care what the state is. Win32 only.
1352 - wxLIST_STATE_DROPHILITED: The item is highlighted to receive a drop event. Win32 only.
1353 - wxLIST_STATE_FOCUSED: The item has the focus.
1354 - wxLIST_STATE_SELECTED: The item is selected.
1355 - wxLIST_STATE_CUT: The item is in the cut state. Win32 only.
1356 */
1357 long GetState() const;
1358
1359 /**
1360 Returns the label/header text.
1361 */
1362 const wxString& GetText() const;
1363
1364 /**
1365 Returns the text colour.
1366 */
1367 wxColour GetTextColour() const;
1368
1369 /**
1370 Meaningful only for column headers in report mode. Returns the column width.
1371 */
1372 int GetWidth() const;
1373
1374 /**
1375 Sets the alignment for the item. See also GetAlign()
1376 */
1377 void SetAlign(wxListColumnFormat align);
1378
1379 /**
1380 Sets the background colour for the item.
1381 */
1382 void SetBackgroundColour(const wxColour& colBack);
1383
1384 /**
1385 Sets the zero-based column. Meaningful only in report mode.
1386 */
1387 void SetColumn(int col);
1388
1389 //@{
1390 /**
1391 Sets client data for the item.
1392 Please note that client data is associated with the item and not with subitems.
1393 */
1394 void SetData(long data);
1395 void SetData(void* data);
1396 //@}
1397
1398 /**
1399 Sets the font for the item.
1400 */
1401 void SetFont(const wxFont& font);
1402
1403 /**
1404 Sets the zero-based item position.
1405 */
1406 void SetId(long id);
1407
1408 /**
1409 Sets the zero-based index of the image associated with the item
1410 into the image list.
1411 */
1412 void SetImage(int image);
1413
1414 /**
1415 Sets the mask of valid fields. See GetMask().
1416 */
1417 void SetMask(long mask);
1418
1419 /**
1420 Sets the item state flags (note that the valid state flags are influenced
1421 by the value of the state mask, see wxListItem::SetStateMask).
1422
1423 See GetState() for valid flag values.
1424 */
1425 void SetState(long state);
1426
1427 /**
1428 Sets the bitmask that is used to determine which of the state flags
1429 are to be set. See also SetState().
1430 */
1431 void SetStateMask(long stateMask);
1432
1433 /**
1434 Sets the text label for the item.
1435 */
1436 void SetText(const wxString& text);
1437
1438 /**
1439 Sets the text colour for the item.
1440 */
1441 void SetTextColour(const wxColour& colText);
1442
1443 /**
1444 Meaningful only for column headers in report mode. Sets the column width.
1445 */
1446 void SetWidth(int width);
1447 };
1448