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[wxWidgets.git] / src / msw / listctrl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: listctrl.cpp
3 // Purpose: wxListCtrl
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 04/01/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart and Markus Holzem
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #ifdef __GNUG__
21 #pragma implementation "listctrl.h"
22 #pragma implementation "listctrlbase.h"
23 #endif
24
25 // For compilers that support precompilation, includes "wx.h".
26 #include "wx/wxprec.h"
27
28 #ifdef __BORLANDC__
29 #pragma hdrstop
30 #endif
31
32 #if wxUSE_LISTCTRL && defined(__WIN95__)
33
34 #ifndef WX_PRECOMP
35 #include "wx/app.h"
36 #include "wx/intl.h"
37 #include "wx/log.h"
38 #include "wx/settings.h"
39 #endif
40
41 #include "wx/textctrl.h"
42 #include "wx/imaglist.h"
43 #include "wx/listctrl.h"
44 #include "wx/dcclient.h"
45
46 #include "wx/msw/private.h"
47
48 #if ((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
49 #include "wx/msw/gnuwin32/extra.h"
50 #else
51 #include <commctrl.h>
52 #endif
53
54 #ifndef LVHT_ONITEM
55 #define LVHT_ONITEM \
56 (LVHT_ONITEMICON | LVHT_ONITEMLABEL | LVHT_ONITEMSTATEICON)
57 #endif
58
59 #ifndef LVM_SETEXTENDEDLISTVIEWSTYLE
60 #define LVM_SETEXTENDEDLISTVIEWSTYLE (0x1000 + 54)
61 #endif
62
63 #ifndef LVS_EX_FULLROWSELECT
64 #define LVS_EX_FULLROWSELECT 0x00000020
65 #endif
66
67 #ifndef LVS_OWNERDATA
68 #define LVS_OWNERDATA 0x1000
69 #endif
70
71 // mingw32/cygwin don't have declarations for comctl32.dll 4.70+ stuff
72 #ifndef NM_CACHEHINT
73 typedef struct tagNMLVCACHEHINT
74 {
75 NMHDR hdr;
76 int iFrom;
77 int iTo;
78 } NMLVCACHEHINT;
79
80 #define NM_CACHEHINT NMLVCACHEHINT
81 #endif
82
83 #ifndef LVN_ODCACHEHINT
84 #define LVN_ODCACHEHINT (-113)
85 #endif
86
87 #ifndef ListView_GetHeader
88 #define ListView_GetHeader(w) (HWND)SendMessage((w),LVM_GETHEADER,0,0)
89 #endif
90
91 #ifndef LVM_GETHEADER
92 #define LVM_GETHEADER (LVM_FIRST+31)
93 #endif
94
95 #ifndef Header_GetItemRect
96 #define Header_GetItemRect(w,i,r) \
97 (BOOL)SendMessage((w),HDM_GETITEMRECT,(WPARAM)(i),(LPARAM)(r))
98 #endif
99
100 #ifndef HDM_GETITEMRECT
101 #define HDM_GETITEMRECT (HDM_FIRST+7)
102 #endif
103
104 #ifndef LVCF_IMAGE
105 #define LVCF_IMAGE 0x0010
106 #endif
107
108 #ifndef LVCFMT_BITMAP_ON_RIGHT
109 #define LVCFMT_BITMAP_ON_RIGHT 0x1000
110 #endif
111
112 // ----------------------------------------------------------------------------
113 // private functions
114 // ----------------------------------------------------------------------------
115
116 // convert our state and mask flags to LV_ITEM constants
117 static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem);
118
119 // convert wxListItem to LV_ITEM
120 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
121 const wxListItem& info, LV_ITEM& lvItem);
122
123 // convert LV_ITEM to wxListItem
124 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
125 wxListItem& info,
126 /* const */ LV_ITEM& lvItem);
127
128 // convert our wxListItem to LV_COLUMN
129 static void wxConvertToMSWListCol(int col, const wxListItem& item,
130 LV_COLUMN& lvCol);
131
132 // ----------------------------------------------------------------------------
133 // events
134 // ----------------------------------------------------------------------------
135
136 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG)
137 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG)
138 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT)
139 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT)
140 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM)
141 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS)
142 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO)
143 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO)
144 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED)
145 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
146 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
147 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
148 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
149 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
150 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
151 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
152 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
153 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
154 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
155 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
156 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
157
158 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
159 IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
160 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
161
162 BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
163 EVT_PAINT(wxListCtrl::OnPaint)
164 END_EVENT_TABLE()
165
166 // ============================================================================
167 // implementation
168 // ============================================================================
169
170 // ----------------------------------------------------------------------------
171 // wxListEvent
172 // ----------------------------------------------------------------------------
173
174 void wxListEvent::CopyObject(wxObject& object_dest) const
175 {
176 wxListEvent *obj = (wxListEvent *)&object_dest;
177
178 wxNotifyEvent::CopyObject(object_dest);
179
180 obj->m_code = m_code;
181 obj->m_itemIndex = m_itemIndex;
182 obj->m_oldItemIndex = m_oldItemIndex;
183 obj->m_col = m_col;
184 obj->m_cancelled = m_cancelled;
185 obj->m_pointDrag = m_pointDrag;
186 obj->m_item.m_mask = m_item.m_mask;
187 obj->m_item.m_itemId = m_item.m_itemId;
188 obj->m_item.m_col = m_item.m_col;
189 obj->m_item.m_state = m_item.m_state;
190 obj->m_item.m_stateMask = m_item.m_stateMask;
191 obj->m_item.m_text = m_item.m_text;
192 obj->m_item.m_image = m_item.m_image;
193 obj->m_item.m_data = m_item.m_data;
194 obj->m_item.m_format = m_item.m_format;
195 obj->m_item.m_width = m_item.m_width;
196
197 if ( m_item.HasAttributes() )
198 {
199 obj->m_item.SetTextColour(m_item.GetTextColour());
200 obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
201 obj->m_item.SetFont(m_item.GetFont());
202 }
203 }
204
205 // ----------------------------------------------------------------------------
206 // wxListCtrl construction
207 // ----------------------------------------------------------------------------
208
209 void wxListCtrl::Init()
210 {
211 m_imageListNormal = NULL;
212 m_imageListSmall = NULL;
213 m_imageListState = NULL;
214 m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
215 m_baseStyle = 0;
216 m_colCount = 0;
217 m_textCtrl = NULL;
218 m_hasAnyAttr = FALSE;
219 }
220
221 bool wxListCtrl::Create(wxWindow *parent,
222 wxWindowID id,
223 const wxPoint& pos,
224 const wxSize& size,
225 long style,
226 const wxValidator& validator,
227 const wxString& name)
228 {
229 #if wxUSE_VALIDATORS
230 SetValidator(validator);
231 #endif // wxUSE_VALIDATORS
232
233 SetName(name);
234
235 int x = pos.x;
236 int y = pos.y;
237 int width = size.x;
238 int height = size.y;
239
240 m_windowStyle = style;
241
242 SetParent(parent);
243
244 if (width <= 0)
245 width = 100;
246 if (height <= 0)
247 height = 30;
248 if (x < 0)
249 x = 0;
250 if (y < 0)
251 y = 0;
252
253 m_windowId = (id == -1) ? NewControlId() : id;
254
255 DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
256 LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
257
258 if ( m_windowStyle & wxCLIP_SIBLINGS )
259 wstyle |= WS_CLIPSIBLINGS;
260
261 if ( wxStyleHasBorder(m_windowStyle) )
262 wstyle |= WS_BORDER;
263 m_baseStyle = wstyle;
264
265 if ( !DoCreateControl(x, y, width, height) )
266 return FALSE;
267
268 if (parent)
269 parent->AddChild(this);
270
271 return TRUE;
272 }
273
274 bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
275 {
276 DWORD wstyle = m_baseStyle;
277
278 bool want3D;
279 WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
280
281 // Even with extended styles, need to combine with WS_BORDER
282 // for them to look right.
283 if ( want3D )
284 wstyle |= WS_BORDER;
285
286 long oldStyle = 0; // Dummy
287 wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
288
289 // Create the ListView control.
290 m_hWnd = (WXHWND)CreateWindowEx(exStyle,
291 WC_LISTVIEW,
292 wxT(""),
293 wstyle,
294 x, y, w, h,
295 GetWinHwnd(GetParent()),
296 (HMENU)m_windowId,
297 wxGetInstance(),
298 NULL);
299
300 if ( !m_hWnd )
301 {
302 wxLogError(_("Can't create list control window, check that comctl32.dll is installed."));
303
304 return FALSE;
305 }
306
307 // for comctl32.dll v 4.70+ we want to have this attribute because it's
308 // prettier (and also because wxGTK does it like this)
309 if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 )
310 {
311 ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
312 0, LVS_EX_FULLROWSELECT);
313 }
314
315 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
316 SetForegroundColour(GetParent()->GetForegroundColour());
317
318 SubclassWin(m_hWnd);
319
320 return TRUE;
321 }
322
323 void wxListCtrl::UpdateStyle()
324 {
325 if ( GetHWND() )
326 {
327 // The new window view style
328 long dummy;
329 DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle);
330 dwStyleNew |= m_baseStyle;
331
332 // Get the current window style.
333 DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
334
335 // Only set the window style if the view bits have changed.
336 if ( dwStyleOld != dwStyleNew )
337 {
338 ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
339 }
340 }
341 }
342
343 void wxListCtrl::FreeAllAttrs(bool dontRecreate)
344 {
345 if ( m_hasAnyAttr )
346 {
347 for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
348 {
349 delete (wxListItemAttr *)node->Data();
350 }
351
352 m_attrs.Destroy();
353 if ( !dontRecreate )
354 {
355 m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor
356 }
357
358 m_hasAnyAttr = FALSE;
359 }
360 }
361
362 wxListCtrl::~wxListCtrl()
363 {
364 FreeAllAttrs(TRUE /* no need to recreate hash any more */);
365
366 if ( m_textCtrl )
367 {
368 m_textCtrl->SetHWND(0);
369 m_textCtrl->UnsubclassWin();
370 delete m_textCtrl;
371 m_textCtrl = NULL;
372 }
373
374 if (m_ownsImageListNormal) delete m_imageListNormal;
375 if (m_ownsImageListSmall) delete m_imageListSmall;
376 if (m_ownsImageListState) delete m_imageListState;
377 }
378
379 // ----------------------------------------------------------------------------
380 // set/get/change style
381 // ----------------------------------------------------------------------------
382
383 // Add or remove a single window style
384 void wxListCtrl::SetSingleStyle(long style, bool add)
385 {
386 long flag = GetWindowStyleFlag();
387
388 // Get rid of conflicting styles
389 if ( add )
390 {
391 if ( style & wxLC_MASK_TYPE)
392 flag = flag & ~wxLC_MASK_TYPE;
393 if ( style & wxLC_MASK_ALIGN )
394 flag = flag & ~wxLC_MASK_ALIGN;
395 if ( style & wxLC_MASK_SORT )
396 flag = flag & ~wxLC_MASK_SORT;
397 }
398
399 if ( flag & style )
400 {
401 if ( !add )
402 flag -= style;
403 }
404 else
405 {
406 if ( add )
407 {
408 flag |= style;
409 }
410 }
411
412 m_windowStyle = flag;
413
414 UpdateStyle();
415 }
416
417 // Set the whole window style
418 void wxListCtrl::SetWindowStyleFlag(long flag)
419 {
420 m_windowStyle = flag;
421
422 UpdateStyle();
423 }
424
425 // Can be just a single style, or a bitlist
426 long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
427 {
428 long wstyle = 0;
429 if ( style & wxLC_ICON )
430 {
431 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
432 oldStyle -= LVS_SMALLICON;
433 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
434 oldStyle -= LVS_REPORT;
435 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
436 oldStyle -= LVS_LIST;
437 wstyle |= LVS_ICON;
438 }
439
440 if ( style & wxLC_SMALL_ICON )
441 {
442 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
443 oldStyle -= LVS_ICON;
444 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
445 oldStyle -= LVS_REPORT;
446 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
447 oldStyle -= LVS_LIST;
448 wstyle |= LVS_SMALLICON;
449 }
450
451 if ( style & wxLC_LIST )
452 {
453 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
454 oldStyle -= LVS_ICON;
455 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
456 oldStyle -= LVS_REPORT;
457 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
458 oldStyle -= LVS_SMALLICON;
459 wstyle |= LVS_LIST;
460 }
461
462 if ( style & wxLC_REPORT )
463 {
464 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
465 oldStyle -= LVS_ICON;
466 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
467 oldStyle -= LVS_LIST;
468 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
469 oldStyle -= LVS_SMALLICON;
470
471 wstyle |= LVS_REPORT;
472 }
473
474 if ( style & wxLC_ALIGN_LEFT )
475 {
476 if ( oldStyle & LVS_ALIGNTOP )
477 oldStyle -= LVS_ALIGNTOP;
478 wstyle |= LVS_ALIGNLEFT;
479 }
480
481 if ( style & wxLC_ALIGN_TOP )
482 {
483 if ( oldStyle & LVS_ALIGNLEFT )
484 oldStyle -= LVS_ALIGNLEFT;
485 wstyle |= LVS_ALIGNTOP;
486 }
487
488 if ( style & wxLC_AUTOARRANGE )
489 wstyle |= LVS_AUTOARRANGE;
490
491 if ( style & wxLC_NO_SORT_HEADER )
492 wstyle |= LVS_NOSORTHEADER;
493
494 if ( style & wxLC_NO_HEADER )
495 wstyle |= LVS_NOCOLUMNHEADER;
496
497 if ( style & wxLC_EDIT_LABELS )
498 wstyle |= LVS_EDITLABELS;
499
500 if ( style & wxLC_SINGLE_SEL )
501 wstyle |= LVS_SINGLESEL;
502
503 if ( style & wxLC_SORT_ASCENDING )
504 {
505 if ( oldStyle & LVS_SORTDESCENDING )
506 oldStyle -= LVS_SORTDESCENDING;
507 wstyle |= LVS_SORTASCENDING;
508 }
509
510 if ( style & wxLC_SORT_DESCENDING )
511 {
512 if ( oldStyle & LVS_SORTASCENDING )
513 oldStyle -= LVS_SORTASCENDING;
514 wstyle |= LVS_SORTDESCENDING;
515 }
516
517 #if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
518 if ( style & wxLC_VIRTUAL )
519 {
520 int ver = wxTheApp->GetComCtl32Version();
521 if ( ver < 470 )
522 {
523 wxLogWarning(_("Please install a newer version of comctl32.dll\n(at least version 4.70 is required but you have %d.%02d)\nor this program won't operate correctly."),
524 ver / 100, ver % 100);
525 }
526
527 wstyle |= LVS_OWNERDATA;
528 }
529 #endif
530
531 return wstyle;
532 }
533
534 // ----------------------------------------------------------------------------
535 // accessors
536 // ----------------------------------------------------------------------------
537
538 // Sets the foreground, i.e. text, colour
539 bool wxListCtrl::SetForegroundColour(const wxColour& col)
540 {
541 if ( !wxWindow::SetForegroundColour(col) )
542 return FALSE;
543
544 ListView_SetTextColor(GetHwnd(), wxColourToRGB(col));
545
546 return TRUE;
547 }
548
549 // Sets the background colour
550 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
551 {
552 if ( !wxWindow::SetBackgroundColour(col) )
553 return FALSE;
554
555 // we set the same colour for both the "empty" background and the items
556 // background
557 COLORREF color = wxColourToRGB(col);
558 ListView_SetBkColor(GetHwnd(), color);
559 ListView_SetTextBkColor(GetHwnd(), color);
560
561 return TRUE;
562 }
563
564 // Gets information about this column
565 bool wxListCtrl::GetColumn(int col, wxListItem& item) const
566 {
567 LV_COLUMN lvCol;
568 wxZeroMemory(lvCol);
569
570 if ( item.m_mask & wxLIST_MASK_TEXT )
571 {
572 lvCol.mask |= LVCF_TEXT;
573 lvCol.pszText = new wxChar[513];
574 lvCol.cchTextMax = 512;
575 }
576
577 bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0;
578
579 // item.m_subItem = lvCol.iSubItem;
580 item.m_width = lvCol.cx;
581
582 if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
583 {
584 item.m_text = lvCol.pszText;
585 delete[] lvCol.pszText;
586 }
587
588 if ( item.m_mask & wxLIST_MASK_FORMAT )
589 {
590 if (lvCol.fmt == LVCFMT_LEFT)
591 item.m_format = wxLIST_FORMAT_LEFT;
592 else if (lvCol.fmt == LVCFMT_RIGHT)
593 item.m_format = wxLIST_FORMAT_RIGHT;
594 else if (lvCol.fmt == LVCFMT_CENTER)
595 item.m_format = wxLIST_FORMAT_CENTRE;
596 }
597
598 return success;
599 }
600
601 // Sets information about this column
602 bool wxListCtrl::SetColumn(int col, wxListItem& item)
603 {
604 LV_COLUMN lvCol;
605 wxConvertToMSWListCol(col, item, lvCol);
606
607 return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0;
608 }
609
610 // Gets the column width
611 int wxListCtrl::GetColumnWidth(int col) const
612 {
613 return ListView_GetColumnWidth(GetHwnd(), col);
614 }
615
616 // Sets the column width
617 bool wxListCtrl::SetColumnWidth(int col, int width)
618 {
619 int col2 = col;
620 if ( m_windowStyle & wxLC_LIST )
621 col2 = -1;
622
623 int width2 = width;
624 if ( width2 == wxLIST_AUTOSIZE)
625 width2 = LVSCW_AUTOSIZE;
626 else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
627 width2 = LVSCW_AUTOSIZE_USEHEADER;
628
629 return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0;
630 }
631
632 // Gets the number of items that can fit vertically in the
633 // visible area of the list control (list or report view)
634 // or the total number of items in the list control (icon
635 // or small icon view)
636 int wxListCtrl::GetCountPerPage() const
637 {
638 return ListView_GetCountPerPage(GetHwnd());
639 }
640
641 // Gets the edit control for editing labels.
642 wxTextCtrl* wxListCtrl::GetEditControl() const
643 {
644 return m_textCtrl;
645 }
646
647 // Gets information about the item
648 bool wxListCtrl::GetItem(wxListItem& info) const
649 {
650 LV_ITEM lvItem;
651 wxZeroMemory(lvItem);
652
653 lvItem.iItem = info.m_itemId;
654 lvItem.iSubItem = info.m_col;
655
656 if ( info.m_mask & wxLIST_MASK_TEXT )
657 {
658 lvItem.mask |= LVIF_TEXT;
659 lvItem.pszText = new wxChar[513];
660 lvItem.cchTextMax = 512;
661 }
662 else
663 {
664 lvItem.pszText = NULL;
665 }
666
667 if (info.m_mask & wxLIST_MASK_DATA)
668 lvItem.mask |= LVIF_PARAM;
669
670 if (info.m_mask & wxLIST_MASK_IMAGE)
671 lvItem.mask |= LVIF_IMAGE;
672
673 if ( info.m_mask & wxLIST_MASK_STATE )
674 {
675 lvItem.mask |= LVIF_STATE;
676 // the other bits are hardly interesting anyhow
677 lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
678 }
679
680 bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
681 if ( !success )
682 {
683 wxLogError(_("Couldn't retrieve information about list control item %d."),
684 lvItem.iItem);
685 }
686 else
687 {
688 // give NULL as hwnd as we already have everything we need
689 wxConvertFromMSWListItem(NULL, info, lvItem);
690 }
691
692 if (lvItem.pszText)
693 delete[] lvItem.pszText;
694
695 return success;
696 }
697
698 // Sets information about the item
699 bool wxListCtrl::SetItem(wxListItem& info)
700 {
701 LV_ITEM item;
702 wxConvertToMSWListItem(this, info, item);
703
704 item.cchTextMax = 0;
705 if ( !ListView_SetItem(GetHwnd(), &item) )
706 {
707 wxLogDebug(_T("ListView_SetItem() failed"));
708
709 return FALSE;
710 }
711
712 // we need to update the item immediately to show the new image
713 bool updateNow = (info.m_mask & wxLIST_MASK_IMAGE) != 0;
714
715 // check whether it has any custom attributes
716 if ( info.HasAttributes() )
717 {
718 wxListItemAttr *attr = (wxListItemAttr *)m_attrs.Get(item.iItem);
719
720 if ( attr == NULL )
721 m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
722 else
723 *attr = *info.GetAttributes();
724
725 m_hasAnyAttr = TRUE;
726
727 // if the colour has changed, we must redraw the item
728 updateNow = TRUE;
729 }
730
731 if ( updateNow )
732 {
733 // we need this to make the change visible right now
734 ListView_Update(GetHwnd(), item.iItem);
735 }
736
737 return TRUE;
738 }
739
740 long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId)
741 {
742 wxListItem info;
743 info.m_text = label;
744 info.m_mask = wxLIST_MASK_TEXT;
745 info.m_itemId = index;
746 info.m_col = col;
747 if ( imageId > -1 )
748 {
749 info.m_image = imageId;
750 info.m_mask |= wxLIST_MASK_IMAGE;
751 }
752 return SetItem(info);
753 }
754
755
756 // Gets the item state
757 int wxListCtrl::GetItemState(long item, long stateMask) const
758 {
759 wxListItem info;
760
761 info.m_mask = wxLIST_MASK_STATE;
762 info.m_stateMask = stateMask;
763 info.m_itemId = item;
764
765 if (!GetItem(info))
766 return 0;
767
768 return info.m_state;
769 }
770
771 // Sets the item state
772 bool wxListCtrl::SetItemState(long item, long state, long stateMask)
773 {
774 // NB: don't use SetItem() here as it doesn't work with the virtual list
775 // controls
776 LV_ITEM lvItem;
777 wxZeroMemory(lvItem);
778
779 wxConvertToMSWFlags(state, stateMask, lvItem);
780
781 if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
782 (WPARAM)item, (LPARAM)&lvItem) )
783 {
784 wxLogLastError(_T("ListView_SetItemState"));
785
786 return FALSE;
787 }
788
789 return TRUE;
790 }
791
792 // Sets the item image
793 bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage))
794 {
795 wxListItem info;
796
797 info.m_mask = wxLIST_MASK_IMAGE;
798 info.m_image = image;
799 info.m_itemId = item;
800
801 return SetItem(info);
802 }
803
804 // Gets the item text
805 wxString wxListCtrl::GetItemText(long item) const
806 {
807 wxListItem info;
808
809 info.m_mask = wxLIST_MASK_TEXT;
810 info.m_itemId = item;
811
812 if (!GetItem(info))
813 return wxString("");
814 return info.m_text;
815 }
816
817 // Sets the item text
818 void wxListCtrl::SetItemText(long item, const wxString& str)
819 {
820 wxListItem info;
821
822 info.m_mask = wxLIST_MASK_TEXT;
823 info.m_itemId = item;
824 info.m_text = str;
825
826 SetItem(info);
827 }
828
829 // Gets the item data
830 long wxListCtrl::GetItemData(long item) const
831 {
832 wxListItem info;
833
834 info.m_mask = wxLIST_MASK_DATA;
835 info.m_itemId = item;
836
837 if (!GetItem(info))
838 return 0;
839 return info.m_data;
840 }
841
842 // Sets the item data
843 bool wxListCtrl::SetItemData(long item, long data)
844 {
845 wxListItem info;
846
847 info.m_mask = wxLIST_MASK_DATA;
848 info.m_itemId = item;
849 info.m_data = data;
850
851 return SetItem(info);
852 }
853
854 // Gets the item rectangle
855 bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
856 {
857 RECT rect2;
858
859 int code2 = LVIR_BOUNDS;
860 if ( code == wxLIST_RECT_BOUNDS )
861 code2 = LVIR_BOUNDS;
862 else if ( code == wxLIST_RECT_ICON )
863 code2 = LVIR_ICON;
864 else if ( code == wxLIST_RECT_LABEL )
865 code2 = LVIR_LABEL;
866
867 #ifdef __WXWINE__
868 bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
869 #else
870 bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
871 #endif
872
873 rect.x = rect2.left;
874 rect.y = rect2.top;
875 rect.width = rect2.right - rect2.left;
876 rect.height = rect2.bottom - rect2.top;
877 return success;
878 }
879
880 // Gets the item position
881 bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
882 {
883 POINT pt;
884
885 bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0);
886
887 pos.x = pt.x; pos.y = pt.y;
888 return success;
889 }
890
891 // Sets the item position.
892 bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
893 {
894 return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0);
895 }
896
897 // Gets the number of items in the list control
898 int wxListCtrl::GetItemCount() const
899 {
900 return ListView_GetItemCount(GetHwnd());
901 }
902
903 // Retrieves the spacing between icons in pixels.
904 // If small is TRUE, gets the spacing for the small icon
905 // view, otherwise the large icon view.
906 int wxListCtrl::GetItemSpacing(bool isSmall) const
907 {
908 return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
909 }
910
911 // Gets the number of selected items in the list control
912 int wxListCtrl::GetSelectedItemCount() const
913 {
914 return ListView_GetSelectedCount(GetHwnd());
915 }
916
917 // Gets the text colour of the listview
918 wxColour wxListCtrl::GetTextColour() const
919 {
920 COLORREF ref = ListView_GetTextColor(GetHwnd());
921 wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
922 return col;
923 }
924
925 // Sets the text colour of the listview
926 void wxListCtrl::SetTextColour(const wxColour& col)
927 {
928 ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
929 }
930
931 // Gets the index of the topmost visible item when in
932 // list or report view
933 long wxListCtrl::GetTopItem() const
934 {
935 return (long) ListView_GetTopIndex(GetHwnd());
936 }
937
938 // Searches for an item, starting from 'item'.
939 // 'geometry' is one of
940 // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
941 // 'state' is a state bit flag, one or more of
942 // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
943 // item can be -1 to find the first item that matches the
944 // specified flags.
945 // Returns the item or -1 if unsuccessful.
946 long wxListCtrl::GetNextItem(long item, int geom, int state) const
947 {
948 long flags = 0;
949
950 if ( geom == wxLIST_NEXT_ABOVE )
951 flags |= LVNI_ABOVE;
952 if ( geom == wxLIST_NEXT_ALL )
953 flags |= LVNI_ALL;
954 if ( geom == wxLIST_NEXT_BELOW )
955 flags |= LVNI_BELOW;
956 if ( geom == wxLIST_NEXT_LEFT )
957 flags |= LVNI_TOLEFT;
958 if ( geom == wxLIST_NEXT_RIGHT )
959 flags |= LVNI_TORIGHT;
960
961 if ( state & wxLIST_STATE_CUT )
962 flags |= LVNI_CUT;
963 if ( state & wxLIST_STATE_DROPHILITED )
964 flags |= LVNI_DROPHILITED;
965 if ( state & wxLIST_STATE_FOCUSED )
966 flags |= LVNI_FOCUSED;
967 if ( state & wxLIST_STATE_SELECTED )
968 flags |= LVNI_SELECTED;
969
970 return (long) ListView_GetNextItem(GetHwnd(), item, flags);
971 }
972
973
974 wxImageList *wxListCtrl::GetImageList(int which) const
975 {
976 if ( which == wxIMAGE_LIST_NORMAL )
977 {
978 return m_imageListNormal;
979 }
980 else if ( which == wxIMAGE_LIST_SMALL )
981 {
982 return m_imageListSmall;
983 }
984 else if ( which == wxIMAGE_LIST_STATE )
985 {
986 return m_imageListState;
987 }
988 return NULL;
989 }
990
991 void wxListCtrl::SetImageList(wxImageList *imageList, int which)
992 {
993 int flags = 0;
994 if ( which == wxIMAGE_LIST_NORMAL )
995 {
996 flags = LVSIL_NORMAL;
997 if (m_ownsImageListNormal) delete m_imageListNormal;
998 m_imageListNormal = imageList;
999 m_ownsImageListNormal = FALSE;
1000 }
1001 else if ( which == wxIMAGE_LIST_SMALL )
1002 {
1003 flags = LVSIL_SMALL;
1004 if (m_ownsImageListSmall) delete m_imageListSmall;
1005 m_imageListSmall = imageList;
1006 m_ownsImageListSmall = FALSE;
1007 }
1008 else if ( which == wxIMAGE_LIST_STATE )
1009 {
1010 flags = LVSIL_STATE;
1011 if (m_ownsImageListState) delete m_imageListState;
1012 m_imageListState = imageList;
1013 m_ownsImageListState = FALSE;
1014 }
1015 ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
1016 }
1017
1018 void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
1019 {
1020 SetImageList(imageList, which);
1021 if ( which == wxIMAGE_LIST_NORMAL )
1022 m_ownsImageListNormal = TRUE;
1023 else if ( which == wxIMAGE_LIST_SMALL )
1024 m_ownsImageListSmall = TRUE;
1025 else if ( which == wxIMAGE_LIST_STATE )
1026 m_ownsImageListState = TRUE;
1027 }
1028
1029 // ----------------------------------------------------------------------------
1030 // Operations
1031 // ----------------------------------------------------------------------------
1032
1033 // Arranges the items
1034 bool wxListCtrl::Arrange(int flag)
1035 {
1036 UINT code = 0;
1037 if ( flag == wxLIST_ALIGN_LEFT )
1038 code = LVA_ALIGNLEFT;
1039 else if ( flag == wxLIST_ALIGN_TOP )
1040 code = LVA_ALIGNTOP;
1041 else if ( flag == wxLIST_ALIGN_DEFAULT )
1042 code = LVA_DEFAULT;
1043 else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
1044 code = LVA_SNAPTOGRID;
1045
1046 return (ListView_Arrange(GetHwnd(), code) != 0);
1047 }
1048
1049 // Deletes an item
1050 bool wxListCtrl::DeleteItem(long item)
1051 {
1052 return (ListView_DeleteItem(GetHwnd(), (int) item) != 0);
1053 }
1054
1055 // Deletes all items
1056 bool wxListCtrl::DeleteAllItems()
1057 {
1058 return (ListView_DeleteAllItems(GetHwnd()) != 0);
1059 }
1060
1061 // Deletes all items
1062 bool wxListCtrl::DeleteAllColumns()
1063 {
1064 while ( m_colCount > 0 )
1065 {
1066 if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
1067 {
1068 wxLogLastError(wxT("ListView_DeleteColumn"));
1069
1070 return FALSE;
1071 }
1072
1073 m_colCount--;
1074 }
1075
1076 wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") );
1077
1078 return TRUE;
1079 }
1080
1081 // Deletes a column
1082 bool wxListCtrl::DeleteColumn(int col)
1083 {
1084 bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0);
1085
1086 if ( success && (m_colCount > 0) )
1087 m_colCount --;
1088 return success;
1089 }
1090
1091 // Clears items, and columns if there are any.
1092 void wxListCtrl::ClearAll()
1093 {
1094 DeleteAllItems();
1095 if ( m_colCount > 0 )
1096 DeleteAllColumns();
1097 }
1098
1099 wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
1100 {
1101 wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
1102
1103 // VS: ListView_EditLabel requires that the list has focus.
1104 SetFocus();
1105 HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item);
1106
1107 if (m_textCtrl)
1108 {
1109 m_textCtrl->SetHWND(0);
1110 m_textCtrl->UnsubclassWin();
1111 delete m_textCtrl;
1112 m_textCtrl = NULL;
1113 }
1114
1115 m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
1116 m_textCtrl->SetHWND((WXHWND) hWnd);
1117 m_textCtrl->SubclassWin((WXHWND) hWnd);
1118
1119 return m_textCtrl;
1120 }
1121
1122 // End label editing, optionally cancelling the edit
1123 bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel))
1124 {
1125 wxFAIL_MSG( _T("not implemented") );
1126
1127 return FALSE;
1128 }
1129
1130 // Ensures this item is visible
1131 bool wxListCtrl::EnsureVisible(long item)
1132 {
1133 return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0;
1134 }
1135
1136 // Find an item whose label matches this string, starting from the item after 'start'
1137 // or the beginning if 'start' is -1.
1138 long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
1139 {
1140 LV_FINDINFO findInfo;
1141
1142 findInfo.flags = LVFI_STRING;
1143 if ( partial )
1144 findInfo.flags |= LVFI_PARTIAL;
1145 findInfo.psz = str;
1146
1147 // ListView_FindItem() excludes the first item from search and to look
1148 // through all the items you need to start from -1 which is unnatural and
1149 // inconsistent with the generic version - so we adjust the index
1150 if (start != -1)
1151 start --;
1152 return ListView_FindItem(GetHwnd(), (int) start, &findInfo);
1153 }
1154
1155 // Find an item whose data matches this data, starting from the item after 'start'
1156 // or the beginning if 'start' is -1.
1157 long wxListCtrl::FindItem(long start, long data)
1158 {
1159 LV_FINDINFO findInfo;
1160
1161 findInfo.flags = LVFI_PARAM;
1162 findInfo.lParam = data;
1163
1164 return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1165 }
1166
1167 // Find an item nearest this position in the specified direction, starting from
1168 // the item after 'start' or the beginning if 'start' is -1.
1169 long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction)
1170 {
1171 LV_FINDINFO findInfo;
1172
1173 findInfo.flags = LVFI_NEARESTXY;
1174 findInfo.pt.x = pt.x;
1175 findInfo.pt.y = pt.y;
1176 findInfo.vkDirection = VK_RIGHT;
1177
1178 if ( direction == wxLIST_FIND_UP )
1179 findInfo.vkDirection = VK_UP;
1180 else if ( direction == wxLIST_FIND_DOWN )
1181 findInfo.vkDirection = VK_DOWN;
1182 else if ( direction == wxLIST_FIND_LEFT )
1183 findInfo.vkDirection = VK_LEFT;
1184 else if ( direction == wxLIST_FIND_RIGHT )
1185 findInfo.vkDirection = VK_RIGHT;
1186
1187 return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1188 }
1189
1190 // Determines which item (if any) is at the specified point,
1191 // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
1192 long wxListCtrl::HitTest(const wxPoint& point, int& flags)
1193 {
1194 LV_HITTESTINFO hitTestInfo;
1195 hitTestInfo.pt.x = (int) point.x;
1196 hitTestInfo.pt.y = (int) point.y;
1197
1198 ListView_HitTest(GetHwnd(), & hitTestInfo);
1199
1200 flags = 0;
1201 if ( hitTestInfo.flags & LVHT_ABOVE )
1202 flags |= wxLIST_HITTEST_ABOVE;
1203 if ( hitTestInfo.flags & LVHT_BELOW )
1204 flags |= wxLIST_HITTEST_BELOW;
1205 if ( hitTestInfo.flags & LVHT_NOWHERE )
1206 flags |= wxLIST_HITTEST_NOWHERE;
1207 if ( hitTestInfo.flags & LVHT_ONITEMICON )
1208 flags |= wxLIST_HITTEST_ONITEMICON;
1209 if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
1210 flags |= wxLIST_HITTEST_ONITEMLABEL;
1211 if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
1212 flags |= wxLIST_HITTEST_ONITEMSTATEICON;
1213 if ( hitTestInfo.flags & LVHT_TOLEFT )
1214 flags |= wxLIST_HITTEST_TOLEFT;
1215 if ( hitTestInfo.flags & LVHT_TORIGHT )
1216 flags |= wxLIST_HITTEST_TORIGHT;
1217
1218 return (long) hitTestInfo.iItem;
1219 }
1220
1221 // Inserts an item, returning the index of the new item if successful,
1222 // -1 otherwise.
1223 long wxListCtrl::InsertItem(wxListItem& info)
1224 {
1225 wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
1226
1227 LV_ITEM item;
1228 wxConvertToMSWListItem(this, info, item);
1229
1230 // check whether it has any custom attributes
1231 if ( info.HasAttributes() )
1232 {
1233
1234 wxListItemAttr *attr;
1235 attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
1236
1237 if (attr == NULL)
1238
1239 m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
1240
1241 else *attr = *info.GetAttributes();
1242
1243 m_hasAnyAttr = TRUE;
1244 }
1245
1246 return (long) ListView_InsertItem(GetHwnd(), & item);
1247 }
1248
1249 long wxListCtrl::InsertItem(long index, const wxString& label)
1250 {
1251 wxListItem info;
1252 info.m_text = label;
1253 info.m_mask = wxLIST_MASK_TEXT;
1254 info.m_itemId = index;
1255 return InsertItem(info);
1256 }
1257
1258 // Inserts an image item
1259 long wxListCtrl::InsertItem(long index, int imageIndex)
1260 {
1261 wxListItem info;
1262 info.m_image = imageIndex;
1263 info.m_mask = wxLIST_MASK_IMAGE;
1264 info.m_itemId = index;
1265 return InsertItem(info);
1266 }
1267
1268 // Inserts an image/string item
1269 long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
1270 {
1271 wxListItem info;
1272 info.m_image = imageIndex;
1273 info.m_text = label;
1274 info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
1275 info.m_itemId = index;
1276 return InsertItem(info);
1277 }
1278
1279 // For list view mode (only), inserts a column.
1280 long wxListCtrl::InsertColumn(long col, wxListItem& item)
1281 {
1282 LV_COLUMN lvCol;
1283 wxConvertToMSWListCol(col, item, lvCol);
1284
1285 if ( !(lvCol.mask & LVCF_WIDTH) )
1286 {
1287 // always give some width to the new column: this one is compatible
1288 // with the generic version
1289 lvCol.mask |= LVCF_WIDTH;
1290 lvCol.cx = 80;
1291 }
1292
1293 // when we insert a column which can contain an image, we must specify this
1294 // flag right now as doing it later in SetColumn() has no effect
1295 //
1296 // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no
1297 // way to dynamically set/clear the bitmap as the column without a bitmap
1298 // on the left looks ugly (there is a hole)
1299 //
1300 // unfortunately with my version of comctl32.dll (5.80), the left column
1301 // image is always on the left and it seems that it's a "feature" - I
1302 // didn't find any way to work around it in any case
1303 if ( lvCol.mask & LVCF_IMAGE )
1304 {
1305 lvCol.mask |= LVCF_FMT;
1306 lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT;
1307 }
1308
1309 bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1;
1310 if ( success )
1311 {
1312 m_colCount++;
1313 }
1314 else
1315 {
1316 wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
1317 lvCol.pszText);
1318 }
1319
1320 return success;
1321 }
1322
1323 long wxListCtrl::InsertColumn(long col,
1324 const wxString& heading,
1325 int format,
1326 int width)
1327 {
1328 wxListItem item;
1329 item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
1330 item.m_text = heading;
1331 if ( width > -1 )
1332 {
1333 item.m_mask |= wxLIST_MASK_WIDTH;
1334 item.m_width = width;
1335 }
1336 item.m_format = format;
1337
1338 return InsertColumn(col, item);
1339 }
1340
1341 // Scrolls the list control. If in icon, small icon or report view mode,
1342 // x specifies the number of pixels to scroll. If in list view mode, x
1343 // specifies the number of columns to scroll.
1344 // If in icon, small icon or list view mode, y specifies the number of pixels
1345 // to scroll. If in report view mode, y specifies the number of lines to scroll.
1346 bool wxListCtrl::ScrollList(int dx, int dy)
1347 {
1348 return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
1349 }
1350
1351 // Sort items.
1352
1353 // fn is a function which takes 3 long arguments: item1, item2, data.
1354 // item1 is the long data associated with a first item (NOT the index).
1355 // item2 is the long data associated with a second item (NOT the index).
1356 // data is the same value as passed to SortItems.
1357 // The return value is a negative number if the first item should precede the second
1358 // item, a positive number of the second item should precede the first,
1359 // or zero if the two items are equivalent.
1360
1361 // data is arbitrary data to be passed to the sort function.
1362
1363 // FIXME: this is horrible and MT-unsafe and everything else but I don't have
1364 // time for anything better right now (VZ)
1365 static long gs_sortData = 0;
1366 static wxListCtrl *gs_sortCtrl = NULL;
1367 static wxListCtrlCompare gs_sortFunction = NULL;
1368
1369 int wxCMPFUNC_CONV wxListCtrlCompareFn(const void *arg1, const void *arg2)
1370 {
1371 int n1 = *(const int *)arg1,
1372 n2 = *(const int *)arg2;
1373
1374 return gs_sortFunction(gs_sortCtrl->GetItemData(n1),
1375 gs_sortCtrl->GetItemData(n2),
1376 gs_sortData);
1377 }
1378
1379 bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
1380 {
1381 // sort the attributes too
1382 if ( m_hasAnyAttr )
1383 {
1384 int n,
1385 count = GetItemCount();
1386 int *aItems = new int[count];
1387 for ( n = 0; n < count; n++ )
1388 {
1389 aItems[n] = n;
1390 }
1391
1392 gs_sortData = data;
1393 gs_sortCtrl = this;
1394 gs_sortFunction = fn;
1395
1396 qsort(aItems, count, sizeof(int), wxListCtrlCompareFn);
1397
1398 gs_sortData = 0;
1399 gs_sortCtrl = NULL;
1400 gs_sortFunction = NULL;
1401
1402 wxHashTable attrsNew(wxKEY_INTEGER, 1000);
1403 for ( n = 0; n < count; n++ )
1404 {
1405 wxObject *attr = m_attrs.Delete(aItems[n]);
1406 if ( attr )
1407 {
1408 attrsNew.Put(n, attr);
1409 }
1410 }
1411
1412 m_attrs.Destroy();
1413 m_attrs = attrsNew;
1414
1415 delete [] aItems;
1416 }
1417
1418 if ( !ListView_SortItems(GetHwnd(), (PFNLVCOMPARE)fn, data) )
1419 {
1420 wxLogDebug(_T("ListView_SortItems() failed"));
1421
1422 return FALSE;
1423 }
1424
1425 return TRUE;
1426 }
1427
1428
1429
1430 // ----------------------------------------------------------------------------
1431 // message processing
1432 // ----------------------------------------------------------------------------
1433
1434 bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
1435 {
1436 if (cmd == EN_UPDATE)
1437 {
1438 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
1439 event.SetEventObject( this );
1440 ProcessCommand(event);
1441 return TRUE;
1442 }
1443 else if (cmd == EN_KILLFOCUS)
1444 {
1445 wxCommandEvent event(wxEVT_KILL_FOCUS, id);
1446 event.SetEventObject( this );
1447 ProcessCommand(event);
1448 return TRUE;
1449 }
1450 else
1451 return FALSE;
1452 }
1453
1454 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1455 {
1456 // prepare the event
1457 // -----------------
1458
1459 wxListEvent event(wxEVT_NULL, m_windowId);
1460 wxEventType eventType = wxEVT_NULL;
1461
1462 NMHDR *nmhdr = (NMHDR *)lParam;
1463
1464 // check for messages from the header (in report view)
1465 HWND hwndHdr = ListView_GetHeader(GetHwnd());
1466
1467 // is it a message from the header?
1468 if ( nmhdr->hwndFrom == hwndHdr )
1469 {
1470 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1471 event.m_itemIndex = -1;
1472
1473 switch ( nmhdr->code )
1474 {
1475 // yet another comctl32.dll bug: under NT/W2K it sends Unicode
1476 // TRACK messages even to ANSI programs: on my system I get
1477 // HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all!
1478 //
1479 // work around is to simply catch both versions and hope that it
1480 // works (why should this message exist in ANSI and Unicode is
1481 // beyond me as it doesn't deal with strings at all...)
1482 case HDN_BEGINTRACKA:
1483 case HDN_BEGINTRACKW:
1484 eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
1485 // fall through
1486
1487 case HDN_TRACKA:
1488 case HDN_TRACKW:
1489 if ( eventType == wxEVT_NULL )
1490 eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
1491 // fall through
1492
1493 case HDN_ENDTRACKA:
1494 case HDN_ENDTRACKW:
1495 if ( eventType == wxEVT_NULL )
1496 eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
1497 event.m_col = nmHDR->iItem;
1498 break;
1499
1500 case NM_RCLICK:
1501 {
1502 eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
1503 event.m_col = -1;
1504
1505 // find the column clicked: we have to search for it
1506 // ourselves as the notification message doesn't provide
1507 // this info
1508
1509 // where did the click occur?
1510 POINT ptClick;
1511 if ( !::GetCursorPos(&ptClick) )
1512 {
1513 wxLogLastError(_T("GetCursorPos"));
1514 }
1515
1516 if ( !::ScreenToClient(hwndHdr, &ptClick) )
1517 {
1518 wxLogLastError(_T("ScreenToClient(listctrl header)"));
1519 }
1520
1521 event.m_pointDrag.x = ptClick.x;
1522 event.m_pointDrag.y = ptClick.y;
1523
1524 int colCount = Header_GetItemCount(hwndHdr);
1525
1526 RECT rect;
1527 for ( int col = 0; col < colCount; col++ )
1528 {
1529 if ( Header_GetItemRect(hwndHdr, col, &rect) )
1530 {
1531 if ( ::PtInRect(&rect, ptClick) )
1532 {
1533 event.m_col = col;
1534 break;
1535 }
1536 }
1537 }
1538 }
1539 break;
1540
1541 default:
1542 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1543 }
1544 }
1545 else if ( nmhdr->hwndFrom == GetHwnd() )
1546 {
1547 // almost all messages use NM_LISTVIEW
1548 NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
1549
1550 // this is true for almost all events
1551 event.m_item.m_data = nmLV->lParam;
1552
1553 switch ( nmhdr->code )
1554 {
1555 case LVN_BEGINRDRAG:
1556 eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1557 // fall through
1558
1559 case LVN_BEGINDRAG:
1560 if ( eventType == wxEVT_NULL )
1561 {
1562 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1563 }
1564
1565 event.m_itemIndex = nmLV->iItem;
1566 event.m_pointDrag.x = nmLV->ptAction.x;
1567 event.m_pointDrag.y = nmLV->ptAction.y;
1568 break;
1569
1570 case LVN_BEGINLABELEDIT:
1571 {
1572 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1573 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1574 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1575 event.m_itemIndex = event.m_item.m_itemId;
1576 }
1577 break;
1578
1579 case LVN_COLUMNCLICK:
1580 eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1581 event.m_itemIndex = -1;
1582 event.m_col = nmLV->iSubItem;
1583 break;
1584
1585 case LVN_DELETEALLITEMS:
1586 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1587 event.m_itemIndex = -1;
1588
1589 FreeAllAttrs();
1590
1591 break;
1592
1593 case LVN_DELETEITEM:
1594 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1595 event.m_itemIndex = nmLV->iItem;
1596
1597 if ( m_hasAnyAttr )
1598 {
1599 delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
1600 }
1601 break;
1602
1603 case LVN_ENDLABELEDIT:
1604 {
1605 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1606 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1607 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1608 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1609 return FALSE;
1610
1611 event.m_itemIndex = event.m_item.m_itemId;
1612 }
1613 break;
1614
1615 case LVN_SETDISPINFO:
1616 {
1617 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1618 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1619 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1620 }
1621 break;
1622
1623 case LVN_INSERTITEM:
1624 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1625 event.m_itemIndex = nmLV->iItem;
1626 break;
1627
1628 case LVN_ITEMCHANGED:
1629 // This needs to be sent to wxListCtrl as a rather more concrete
1630 // event. For now, just detect a selection or deselection.
1631 if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) )
1632 {
1633 eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
1634 event.m_itemIndex = nmLV->iItem;
1635 }
1636 else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
1637 {
1638 eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1639 event.m_itemIndex = nmLV->iItem;
1640 }
1641 else
1642 {
1643 return FALSE;
1644 }
1645 break;
1646
1647 case LVN_KEYDOWN:
1648 {
1649 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1650 WORD wVKey = info->wVKey;
1651
1652 // get the current selection
1653 long lItem = GetNextItem(-1,
1654 wxLIST_NEXT_ALL,
1655 wxLIST_STATE_SELECTED);
1656
1657 // <Enter> or <Space> activate the selected item if any (but
1658 // not with Shift and/or Ctrl as then they have a predefined
1659 // meaning for the list view)
1660 if ( lItem != -1 &&
1661 (wVKey == VK_RETURN || wVKey == VK_SPACE) &&
1662 !(wxIsShiftDown() || wxIsCtrlDown()) )
1663 {
1664 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1665 }
1666 else
1667 {
1668 eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1669 event.m_code = wxCharCodeMSWToWX(wVKey);
1670 }
1671
1672 event.m_itemIndex =
1673 event.m_item.m_itemId = lItem;
1674
1675 if ( lItem != -1 )
1676 {
1677 // fill the other fields too
1678 event.m_item.m_text = GetItemText(lItem);
1679 event.m_item.m_data = GetItemData(lItem);
1680 }
1681 }
1682 break;
1683
1684 case NM_DBLCLK:
1685 // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1686 // anything else
1687 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1688 {
1689 return TRUE;
1690 }
1691
1692 // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1693 // if it happened on an item (and not on empty place)
1694 if ( nmLV->iItem == -1 )
1695 {
1696 // not on item
1697 return FALSE;
1698 }
1699
1700 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1701 event.m_itemIndex = nmLV->iItem;
1702 event.m_item.m_text = GetItemText(nmLV->iItem);
1703 event.m_item.m_data = GetItemData(nmLV->iItem);
1704 break;
1705
1706 case NM_RCLICK:
1707 // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
1708 // don't do anything else
1709 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1710 {
1711 return TRUE;
1712 }
1713
1714 // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
1715 LV_HITTESTINFO lvhti;
1716 wxZeroMemory(lvhti);
1717
1718 ::GetCursorPos(&(lvhti.pt));
1719 ::ScreenToClient(GetHwnd(),&(lvhti.pt));
1720 if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
1721 {
1722 if ( lvhti.flags & LVHT_ONITEM )
1723 {
1724 eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
1725 event.m_itemIndex = lvhti.iItem;
1726 event.m_pointDrag.x = lvhti.pt.x;
1727 event.m_pointDrag.y = lvhti.pt.y;
1728 }
1729 }
1730 break;
1731
1732 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1733 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
1734 case NM_CUSTOMDRAW:
1735 *result = OnCustomDraw(lParam);
1736
1737 return TRUE;
1738 #endif // _WIN32_IE >= 0x300
1739
1740 case LVN_ODCACHEHINT:
1741 {
1742 const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
1743
1744 eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
1745
1746 // we get some really stupid cache hints like ones for items in
1747 // range 0..0 for an empty control or, after deleting an item,
1748 // for items in invalid range - filter this garbage out
1749 if ( cacheHint->iFrom < cacheHint->iTo )
1750 {
1751 event.m_oldItemIndex = cacheHint->iFrom;
1752
1753 long iMax = GetItemCount();
1754 event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
1755 : iMax - 1;
1756 }
1757 else
1758 {
1759 return FALSE;
1760 }
1761 }
1762 break;
1763
1764 case LVN_GETDISPINFO:
1765 if ( IsVirtual() )
1766 {
1767 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1768
1769 LV_ITEM& lvi = info->item;
1770 long item = lvi.iItem;
1771
1772 if ( lvi.mask & LVIF_TEXT )
1773 {
1774 wxString text = OnGetItemText(item, lvi.iSubItem);
1775 wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
1776 }
1777
1778 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1779 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
1780 if ( lvi.mask & LVIF_IMAGE )
1781 {
1782 lvi.iImage = OnGetItemImage(item);
1783 }
1784 #endif
1785
1786 // a little dose of healthy paranoia: as we never use
1787 // LVM_SETCALLBACKMASK we're not supposed to get these ones
1788 wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
1789 _T("we don't support state callbacks yet!") );
1790
1791 return TRUE;
1792 }
1793 // fall through
1794
1795 default:
1796 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1797 }
1798 }
1799 else
1800 {
1801 // where did this one come from?
1802 return FALSE;
1803 }
1804
1805 // process the event
1806 // -----------------
1807
1808 event.SetEventObject( this );
1809 event.SetEventType(eventType);
1810
1811 if ( !GetEventHandler()->ProcessEvent(event) )
1812 return FALSE;
1813
1814 // post processing
1815 // ---------------
1816
1817 switch ( nmhdr->code )
1818 {
1819 case LVN_DELETEALLITEMS:
1820 // always return TRUE to suppress all additional LVN_DELETEITEM
1821 // notifications - this makes deleting all items from a list ctrl
1822 // much faster
1823 *result = TRUE;
1824
1825 return TRUE;
1826
1827 case LVN_ENDLABELEDIT:
1828 // logic here is inversed compared to all the other messages
1829 *result = event.IsAllowed();
1830
1831 return TRUE;
1832 }
1833
1834 *result = !event.IsAllowed();
1835
1836 return TRUE;
1837 }
1838
1839 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1840
1841 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
1842 {
1843 LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
1844 NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
1845 switch ( nmcd.dwDrawStage )
1846 {
1847 case CDDS_PREPAINT:
1848 // if we've got any items with non standard attributes,
1849 // notify us before painting each item
1850 //
1851 // for virtual controls, always suppose that we have attributes as
1852 // there is no way to check for this
1853 return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
1854 : CDRF_DODEFAULT;
1855
1856 case CDDS_ITEMPREPAINT:
1857 {
1858 size_t item = (size_t)nmcd.dwItemSpec;
1859 if ( item >= (size_t)GetItemCount() )
1860 {
1861 // we get this message with item == 0 for an empty control,
1862 // we must ignore it as calling OnGetItemAttr() would be
1863 // wrong
1864 return CDRF_DODEFAULT;
1865 }
1866
1867 wxListItemAttr *attr =
1868 IsVirtual() ? OnGetItemAttr(item)
1869 : (wxListItemAttr *)m_attrs.Get(item);
1870
1871 if ( !attr )
1872 {
1873 // nothing to do for this item
1874 return CDRF_DODEFAULT;
1875 }
1876
1877 HFONT hFont;
1878 wxColour colText, colBack;
1879 if ( attr->HasFont() )
1880 {
1881 wxFont font = attr->GetFont();
1882 hFont = (HFONT)font.GetResourceHandle();
1883 }
1884 else
1885 {
1886 hFont = 0;
1887 }
1888
1889 if ( attr->HasTextColour() )
1890 {
1891 colText = attr->GetTextColour();
1892 }
1893 else
1894 {
1895 colText = GetTextColour();
1896 }
1897
1898 if ( attr->HasBackgroundColour() )
1899 {
1900 colBack = attr->GetBackgroundColour();
1901 }
1902 else
1903 {
1904 colBack = GetBackgroundColour();
1905 }
1906
1907 lplvcd->clrText = wxColourToRGB(colText);
1908 lplvcd->clrTextBk = wxColourToRGB(colBack);
1909
1910 // note that if we wanted to set colours for
1911 // individual columns (subitems), we would have
1912 // returned CDRF_NOTIFYSUBITEMREDRAW from here
1913 if ( hFont )
1914 {
1915 ::SelectObject(nmcd.hdc, hFont);
1916
1917 return CDRF_NEWFONT;
1918 }
1919 }
1920 // fall through to return CDRF_DODEFAULT
1921
1922 default:
1923 return CDRF_DODEFAULT;
1924 }
1925 }
1926
1927 #endif // NM_CUSTOMDRAW supported
1928
1929 // Necessary for drawing hrules and vrules, if specified
1930 void wxListCtrl::OnPaint(wxPaintEvent& event)
1931 {
1932 wxPaintDC dc(this);
1933
1934 wxControl::OnPaint(event);
1935
1936 // Reset the device origin since it may have been set
1937 dc.SetDeviceOrigin(0, 0);
1938
1939 bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
1940 bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
1941
1942 if (!drawHRules && !drawVRules)
1943 return;
1944 if ((GetWindowStyle() & wxLC_REPORT) == 0)
1945 return;
1946
1947 wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
1948 dc.SetPen(pen);
1949 dc.SetBrush(* wxTRANSPARENT_BRUSH);
1950
1951 wxSize clientSize = GetClientSize();
1952 wxRect itemRect;
1953 int cy=0;
1954
1955 int itemCount = GetItemCount();
1956 int i;
1957 if (drawHRules)
1958 {
1959 long top = GetTopItem();
1960 for (i = top; i < top + GetCountPerPage() + 1; i++)
1961 {
1962 if (GetItemRect(i, itemRect))
1963 {
1964 cy = itemRect.GetTop();
1965 if (i != 0) // Don't draw the first one
1966 {
1967 dc.DrawLine(0, cy, clientSize.x, cy);
1968 }
1969 // Draw last line
1970 if (i == itemCount - 1)
1971 {
1972 cy = itemRect.GetBottom();
1973 dc.DrawLine(0, cy, clientSize.x, cy);
1974 }
1975 }
1976 }
1977 }
1978 i = itemCount - 1;
1979 if (drawVRules && (i > -1))
1980 {
1981 wxRect firstItemRect;
1982 GetItemRect(0, firstItemRect);
1983
1984 if (GetItemRect(i, itemRect))
1985 {
1986 int col;
1987 int x = itemRect.GetX();
1988 for (col = 0; col < GetColumnCount(); col++)
1989 {
1990 int colWidth = GetColumnWidth(col);
1991 x += colWidth ;
1992 dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
1993 }
1994 }
1995 }
1996 }
1997
1998 // ----------------------------------------------------------------------------
1999 // virtual list controls
2000 // ----------------------------------------------------------------------------
2001
2002 wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
2003 {
2004 // this is a pure virtual function, in fact - which is not really pure
2005 // because the controls which are not virtual don't need to implement it
2006 wxFAIL_MSG( _T("not supposed to be called") );
2007
2008 return wxEmptyString;
2009 }
2010
2011 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
2012 {
2013 // same as above
2014 wxFAIL_MSG( _T("not supposed to be called") );
2015
2016 return -1;
2017 }
2018
2019 wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
2020 {
2021 wxASSERT_MSG( item >= 0 && item < GetItemCount(),
2022 _T("invalid item index in OnGetItemAttr()") );
2023
2024 // no attributes by default
2025 return NULL;
2026 }
2027
2028 void wxListCtrl::SetItemCount(long count)
2029 {
2030 wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
2031
2032 if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
2033 {
2034 wxLogLastError(_T("ListView_SetItemCount"));
2035 }
2036 }
2037
2038 void wxListCtrl::RefreshItem(long item)
2039 {
2040 if ( !ListView_Update(GetHwnd(), item) )
2041 {
2042 wxLogLastError(_T("ListView_Update"));
2043 }
2044 }
2045
2046 void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
2047 {
2048 wxRect rect1, rect2;
2049 GetItemRect(itemFrom, rect1);
2050 GetItemRect(itemTo, rect2);
2051
2052 wxRect rect = rect1;
2053 rect.height = rect2.GetBottom() - rect1.GetTop();
2054
2055 RefreshRect(rect);
2056 }
2057
2058 // ----------------------------------------------------------------------------
2059 // wxListItem
2060 // ----------------------------------------------------------------------------
2061
2062 // List item structure
2063 wxListItem::wxListItem()
2064 {
2065 m_mask = 0;
2066 m_itemId = 0;
2067 m_col = 0;
2068 m_state = 0;
2069 m_stateMask = 0;
2070 m_image = 0;
2071 m_data = 0;
2072
2073 m_format = wxLIST_FORMAT_CENTRE;
2074 m_width = 0;
2075
2076 m_attr = NULL;
2077 }
2078
2079 void wxListItem::Clear()
2080 {
2081 m_mask = 0;
2082 m_itemId = 0;
2083 m_col = 0;
2084 m_state = 0;
2085 m_stateMask = 0;
2086 m_image = 0;
2087 m_data = 0;
2088 m_format = wxLIST_FORMAT_CENTRE;
2089 m_width = 0;
2090 m_text = wxEmptyString;
2091
2092 if (m_attr) delete m_attr;
2093 m_attr = NULL;
2094 }
2095
2096 void wxListItem::ClearAttributes()
2097 {
2098 if (m_attr) delete m_attr;
2099 m_attr = NULL;
2100 }
2101
2102 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
2103 wxListItem& info,
2104 LV_ITEM& lvItem)
2105 {
2106 info.m_data = lvItem.lParam;
2107 info.m_mask = 0;
2108 info.m_state = 0;
2109 info.m_stateMask = 0;
2110 info.m_itemId = lvItem.iItem;
2111
2112 long oldMask = lvItem.mask;
2113
2114 bool needText = FALSE;
2115 if (hwndListCtrl != 0)
2116 {
2117 if ( lvItem.mask & LVIF_TEXT )
2118 needText = FALSE;
2119 else
2120 needText = TRUE;
2121
2122 if ( needText )
2123 {
2124 lvItem.pszText = new wxChar[513];
2125 lvItem.cchTextMax = 512;
2126 }
2127 lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
2128 ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem);
2129 }
2130
2131 if ( lvItem.mask & LVIF_STATE )
2132 {
2133 info.m_mask |= wxLIST_MASK_STATE;
2134
2135 if ( lvItem.stateMask & LVIS_CUT)
2136 {
2137 info.m_stateMask |= wxLIST_STATE_CUT;
2138 if ( lvItem.state & LVIS_CUT )
2139 info.m_state |= wxLIST_STATE_CUT;
2140 }
2141 if ( lvItem.stateMask & LVIS_DROPHILITED)
2142 {
2143 info.m_stateMask |= wxLIST_STATE_DROPHILITED;
2144 if ( lvItem.state & LVIS_DROPHILITED )
2145 info.m_state |= wxLIST_STATE_DROPHILITED;
2146 }
2147 if ( lvItem.stateMask & LVIS_FOCUSED)
2148 {
2149 info.m_stateMask |= wxLIST_STATE_FOCUSED;
2150 if ( lvItem.state & LVIS_FOCUSED )
2151 info.m_state |= wxLIST_STATE_FOCUSED;
2152 }
2153 if ( lvItem.stateMask & LVIS_SELECTED)
2154 {
2155 info.m_stateMask |= wxLIST_STATE_SELECTED;
2156 if ( lvItem.state & LVIS_SELECTED )
2157 info.m_state |= wxLIST_STATE_SELECTED;
2158 }
2159 }
2160
2161 if ( lvItem.mask & LVIF_TEXT )
2162 {
2163 info.m_mask |= wxLIST_MASK_TEXT;
2164 info.m_text = lvItem.pszText;
2165 }
2166 if ( lvItem.mask & LVIF_IMAGE )
2167 {
2168 info.m_mask |= wxLIST_MASK_IMAGE;
2169 info.m_image = lvItem.iImage;
2170 }
2171 if ( lvItem.mask & LVIF_PARAM )
2172 info.m_mask |= wxLIST_MASK_DATA;
2173 if ( lvItem.mask & LVIF_DI_SETITEM )
2174 info.m_mask |= wxLIST_SET_ITEM;
2175 info.m_col = lvItem.iSubItem;
2176
2177 if (needText)
2178 {
2179 if (lvItem.pszText)
2180 delete[] lvItem.pszText;
2181 }
2182 lvItem.mask = oldMask;
2183 }
2184
2185 static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem)
2186 {
2187 if (stateMask & wxLIST_STATE_CUT)
2188 {
2189 lvItem.stateMask |= LVIS_CUT;
2190 if (state & wxLIST_STATE_CUT)
2191 lvItem.state |= LVIS_CUT;
2192 }
2193 if (stateMask & wxLIST_STATE_DROPHILITED)
2194 {
2195 lvItem.stateMask |= LVIS_DROPHILITED;
2196 if (state & wxLIST_STATE_DROPHILITED)
2197 lvItem.state |= LVIS_DROPHILITED;
2198 }
2199 if (stateMask & wxLIST_STATE_FOCUSED)
2200 {
2201 lvItem.stateMask |= LVIS_FOCUSED;
2202 if (state & wxLIST_STATE_FOCUSED)
2203 lvItem.state |= LVIS_FOCUSED;
2204 }
2205 if (stateMask & wxLIST_STATE_SELECTED)
2206 {
2207 lvItem.stateMask |= LVIS_SELECTED;
2208 if (state & wxLIST_STATE_SELECTED)
2209 lvItem.state |= LVIS_SELECTED;
2210 }
2211 }
2212
2213 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
2214 const wxListItem& info,
2215 LV_ITEM& lvItem)
2216 {
2217 lvItem.iItem = (int) info.m_itemId;
2218
2219 lvItem.iImage = info.m_image;
2220 lvItem.lParam = info.m_data;
2221 lvItem.stateMask = 0;
2222 lvItem.state = 0;
2223 lvItem.mask = 0;
2224 lvItem.iSubItem = info.m_col;
2225
2226 if (info.m_mask & wxLIST_MASK_STATE)
2227 {
2228 lvItem.mask |= LVIF_STATE;
2229
2230 wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem);
2231 }
2232
2233 if (info.m_mask & wxLIST_MASK_TEXT)
2234 {
2235 lvItem.mask |= LVIF_TEXT;
2236 if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
2237 {
2238 lvItem.pszText = LPSTR_TEXTCALLBACK;
2239 }
2240 else
2241 {
2242 // pszText is not const, hence the cast
2243 lvItem.pszText = (wxChar *)info.m_text.c_str();
2244 if ( lvItem.pszText )
2245 lvItem.cchTextMax = info.m_text.Length();
2246 else
2247 lvItem.cchTextMax = 0;
2248 }
2249 }
2250 if (info.m_mask & wxLIST_MASK_IMAGE)
2251 lvItem.mask |= LVIF_IMAGE;
2252 if (info.m_mask & wxLIST_MASK_DATA)
2253 lvItem.mask |= LVIF_PARAM;
2254 }
2255
2256 static void wxConvertToMSWListCol(int col, const wxListItem& item,
2257 LV_COLUMN& lvCol)
2258 {
2259 wxZeroMemory(lvCol);
2260
2261 if ( item.m_mask & wxLIST_MASK_TEXT )
2262 {
2263 lvCol.mask |= LVCF_TEXT;
2264 lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
2265 }
2266
2267 if ( item.m_mask & wxLIST_MASK_FORMAT )
2268 {
2269 lvCol.mask |= LVCF_FMT;
2270
2271 if ( item.m_format == wxLIST_FORMAT_LEFT )
2272 lvCol.fmt = LVCFMT_LEFT;
2273 else if ( item.m_format == wxLIST_FORMAT_RIGHT )
2274 lvCol.fmt = LVCFMT_RIGHT;
2275 else if ( item.m_format == wxLIST_FORMAT_CENTRE )
2276 lvCol.fmt = LVCFMT_CENTER;
2277 }
2278
2279 if ( item.m_mask & wxLIST_MASK_WIDTH )
2280 {
2281 lvCol.mask |= LVCF_WIDTH;
2282 if ( item.m_width == wxLIST_AUTOSIZE)
2283 lvCol.cx = LVSCW_AUTOSIZE;
2284 else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
2285 lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
2286 else
2287 lvCol.cx = item.m_width;
2288 }
2289
2290 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
2291 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
2292 if ( item.m_mask & wxLIST_MASK_IMAGE )
2293 {
2294 if ( wxTheApp->GetComCtl32Version() >= 470 )
2295 {
2296 lvCol.mask |= LVCF_IMAGE;
2297 lvCol.iImage = item.m_image;
2298 }
2299 //else: it doesn't support item images anyhow
2300 }
2301 #endif
2302 }
2303
2304 // ----------------------------------------------------------------------------
2305 // List event
2306 // ----------------------------------------------------------------------------
2307
2308 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
2309
2310 wxListEvent::wxListEvent(wxEventType commandType, int id)
2311 : wxNotifyEvent(commandType, id)
2312 {
2313 m_code = 0;
2314 m_itemIndex = 0;
2315 m_oldItemIndex = 0;
2316 m_col = 0;
2317 m_cancelled = FALSE;
2318 }
2319
2320 #endif // wxUSE_LISTCTRL