]> git.saurik.com Git - wxWidgets.git/blob - src/msw/listctrl.cpp
don't use wxTheXXXList in wxXXX ctor/dtor, only objects explicitly created
[wxWidgets.git] / src / msw / listctrl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/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_ITEM_FOCUSED)
157 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
158
159 IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
160 IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
161 IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
162
163 BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
164 EVT_PAINT(wxListCtrl::OnPaint)
165 END_EVENT_TABLE()
166
167 // ============================================================================
168 // implementation
169 // ============================================================================
170
171 // ----------------------------------------------------------------------------
172 // wxListEvent
173 // ----------------------------------------------------------------------------
174
175 void wxListEvent::CopyObject(wxObject& object_dest) const
176 {
177 wxListEvent *obj = (wxListEvent *)&object_dest;
178
179 wxNotifyEvent::CopyObject(object_dest);
180
181 obj->m_code = m_code;
182 obj->m_itemIndex = m_itemIndex;
183 obj->m_oldItemIndex = m_oldItemIndex;
184 obj->m_col = m_col;
185 obj->m_cancelled = m_cancelled;
186 obj->m_pointDrag = m_pointDrag;
187 obj->m_item.m_mask = m_item.m_mask;
188 obj->m_item.m_itemId = m_item.m_itemId;
189 obj->m_item.m_col = m_item.m_col;
190 obj->m_item.m_state = m_item.m_state;
191 obj->m_item.m_stateMask = m_item.m_stateMask;
192 obj->m_item.m_text = m_item.m_text;
193 obj->m_item.m_image = m_item.m_image;
194 obj->m_item.m_data = m_item.m_data;
195 obj->m_item.m_format = m_item.m_format;
196 obj->m_item.m_width = m_item.m_width;
197
198 if ( m_item.HasAttributes() )
199 {
200 obj->m_item.SetTextColour(m_item.GetTextColour());
201 obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
202 obj->m_item.SetFont(m_item.GetFont());
203 }
204 }
205
206 // ----------------------------------------------------------------------------
207 // wxListCtrl construction
208 // ----------------------------------------------------------------------------
209
210 void wxListCtrl::Init()
211 {
212 m_imageListNormal = NULL;
213 m_imageListSmall = NULL;
214 m_imageListState = NULL;
215 m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE;
216 m_baseStyle = 0;
217 m_colCount = 0;
218 m_textCtrl = NULL;
219 m_hasAnyAttr = FALSE;
220 }
221
222 bool wxListCtrl::Create(wxWindow *parent,
223 wxWindowID id,
224 const wxPoint& pos,
225 const wxSize& size,
226 long style,
227 const wxValidator& validator,
228 const wxString& name)
229 {
230 #if wxUSE_VALIDATORS
231 SetValidator(validator);
232 #endif // wxUSE_VALIDATORS
233
234 SetName(name);
235
236 int x = pos.x;
237 int y = pos.y;
238 int width = size.x;
239 int height = size.y;
240
241 m_windowStyle = style;
242
243 SetParent(parent);
244
245 if (width <= 0)
246 width = 100;
247 if (height <= 0)
248 height = 30;
249 if (x < 0)
250 x = 0;
251 if (y < 0)
252 y = 0;
253
254 m_windowId = (id == -1) ? NewControlId() : id;
255
256 DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP |
257 LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS;
258
259 if ( m_windowStyle & wxCLIP_SIBLINGS )
260 wstyle |= WS_CLIPSIBLINGS;
261
262 if ( wxStyleHasBorder(m_windowStyle) )
263 wstyle |= WS_BORDER;
264 m_baseStyle = wstyle;
265
266 if ( !DoCreateControl(x, y, width, height) )
267 return FALSE;
268
269 if (parent)
270 parent->AddChild(this);
271
272 return TRUE;
273 }
274
275 bool wxListCtrl::DoCreateControl(int x, int y, int w, int h)
276 {
277 DWORD wstyle = m_baseStyle;
278
279 bool want3D;
280 WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
281
282 // Even with extended styles, need to combine with WS_BORDER
283 // for them to look right.
284 if ( want3D )
285 wstyle |= WS_BORDER;
286
287 long oldStyle = 0; // Dummy
288 wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle);
289
290 // Create the ListView control.
291 m_hWnd = (WXHWND)CreateWindowEx(exStyle,
292 WC_LISTVIEW,
293 wxT(""),
294 wstyle,
295 x, y, w, h,
296 GetWinHwnd(GetParent()),
297 (HMENU)m_windowId,
298 wxGetInstance(),
299 NULL);
300
301 if ( !m_hWnd )
302 {
303 wxLogError(_("Can't create list control window, check that comctl32.dll is installed."));
304
305 return FALSE;
306 }
307
308 // for comctl32.dll v 4.70+ we want to have this attribute because it's
309 // prettier (and also because wxGTK does it like this)
310 if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 )
311 {
312 ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE,
313 0, LVS_EX_FULLROWSELECT);
314 }
315
316 SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
317 SetForegroundColour(GetParent()->GetForegroundColour());
318
319 SubclassWin(m_hWnd);
320
321 return TRUE;
322 }
323
324 void wxListCtrl::UpdateStyle()
325 {
326 if ( GetHWND() )
327 {
328 // The new window view style
329 long dummy;
330 DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle);
331 dwStyleNew |= m_baseStyle;
332
333 // Get the current window style.
334 DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE);
335
336 // Only set the window style if the view bits have changed.
337 if ( dwStyleOld != dwStyleNew )
338 {
339 ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew);
340 }
341 }
342 }
343
344 void wxListCtrl::FreeAllAttrs(bool dontRecreate)
345 {
346 if ( m_hasAnyAttr )
347 {
348 for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() )
349 {
350 delete (wxListItemAttr *)node->Data();
351 }
352
353 m_attrs.Destroy();
354 if ( !dontRecreate )
355 {
356 m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor
357 }
358
359 m_hasAnyAttr = FALSE;
360 }
361 }
362
363 wxListCtrl::~wxListCtrl()
364 {
365 FreeAllAttrs(TRUE /* no need to recreate hash any more */);
366
367 if ( m_textCtrl )
368 {
369 m_textCtrl->SetHWND(0);
370 m_textCtrl->UnsubclassWin();
371 delete m_textCtrl;
372 m_textCtrl = NULL;
373 }
374
375 if (m_ownsImageListNormal) delete m_imageListNormal;
376 if (m_ownsImageListSmall) delete m_imageListSmall;
377 if (m_ownsImageListState) delete m_imageListState;
378 }
379
380 // ----------------------------------------------------------------------------
381 // set/get/change style
382 // ----------------------------------------------------------------------------
383
384 // Add or remove a single window style
385 void wxListCtrl::SetSingleStyle(long style, bool add)
386 {
387 long flag = GetWindowStyleFlag();
388
389 // Get rid of conflicting styles
390 if ( add )
391 {
392 if ( style & wxLC_MASK_TYPE)
393 flag = flag & ~wxLC_MASK_TYPE;
394 if ( style & wxLC_MASK_ALIGN )
395 flag = flag & ~wxLC_MASK_ALIGN;
396 if ( style & wxLC_MASK_SORT )
397 flag = flag & ~wxLC_MASK_SORT;
398 }
399
400 if ( flag & style )
401 {
402 if ( !add )
403 flag -= style;
404 }
405 else
406 {
407 if ( add )
408 {
409 flag |= style;
410 }
411 }
412
413 m_windowStyle = flag;
414
415 UpdateStyle();
416 }
417
418 // Set the whole window style
419 void wxListCtrl::SetWindowStyleFlag(long flag)
420 {
421 m_windowStyle = flag;
422
423 UpdateStyle();
424 }
425
426 // Can be just a single style, or a bitlist
427 long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const
428 {
429 long wstyle = 0;
430 if ( style & wxLC_ICON )
431 {
432 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
433 oldStyle -= LVS_SMALLICON;
434 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
435 oldStyle -= LVS_REPORT;
436 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
437 oldStyle -= LVS_LIST;
438 wstyle |= LVS_ICON;
439 }
440
441 if ( style & wxLC_SMALL_ICON )
442 {
443 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
444 oldStyle -= LVS_ICON;
445 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
446 oldStyle -= LVS_REPORT;
447 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
448 oldStyle -= LVS_LIST;
449 wstyle |= LVS_SMALLICON;
450 }
451
452 if ( style & wxLC_LIST )
453 {
454 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
455 oldStyle -= LVS_ICON;
456 if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT )
457 oldStyle -= LVS_REPORT;
458 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
459 oldStyle -= LVS_SMALLICON;
460 wstyle |= LVS_LIST;
461 }
462
463 if ( style & wxLC_REPORT )
464 {
465 if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON )
466 oldStyle -= LVS_ICON;
467 if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST )
468 oldStyle -= LVS_LIST;
469 if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON )
470 oldStyle -= LVS_SMALLICON;
471
472 wstyle |= LVS_REPORT;
473 }
474
475 if ( style & wxLC_ALIGN_LEFT )
476 {
477 if ( oldStyle & LVS_ALIGNTOP )
478 oldStyle -= LVS_ALIGNTOP;
479 wstyle |= LVS_ALIGNLEFT;
480 }
481
482 if ( style & wxLC_ALIGN_TOP )
483 {
484 if ( oldStyle & LVS_ALIGNLEFT )
485 oldStyle -= LVS_ALIGNLEFT;
486 wstyle |= LVS_ALIGNTOP;
487 }
488
489 if ( style & wxLC_AUTOARRANGE )
490 wstyle |= LVS_AUTOARRANGE;
491
492 if ( style & wxLC_NO_SORT_HEADER )
493 wstyle |= LVS_NOSORTHEADER;
494
495 if ( style & wxLC_NO_HEADER )
496 wstyle |= LVS_NOCOLUMNHEADER;
497
498 if ( style & wxLC_EDIT_LABELS )
499 wstyle |= LVS_EDITLABELS;
500
501 if ( style & wxLC_SINGLE_SEL )
502 wstyle |= LVS_SINGLESEL;
503
504 if ( style & wxLC_SORT_ASCENDING )
505 {
506 if ( oldStyle & LVS_SORTDESCENDING )
507 oldStyle -= LVS_SORTDESCENDING;
508 wstyle |= LVS_SORTASCENDING;
509 }
510
511 if ( style & wxLC_SORT_DESCENDING )
512 {
513 if ( oldStyle & LVS_SORTASCENDING )
514 oldStyle -= LVS_SORTASCENDING;
515 wstyle |= LVS_SORTDESCENDING;
516 }
517
518 #if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
519 if ( style & wxLC_VIRTUAL )
520 {
521 int ver = wxTheApp->GetComCtl32Version();
522 if ( ver < 470 )
523 {
524 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."),
525 ver / 100, ver % 100);
526 }
527
528 wstyle |= LVS_OWNERDATA;
529 }
530 #endif
531
532 return wstyle;
533 }
534
535 // ----------------------------------------------------------------------------
536 // accessors
537 // ----------------------------------------------------------------------------
538
539 // Sets the foreground, i.e. text, colour
540 bool wxListCtrl::SetForegroundColour(const wxColour& col)
541 {
542 if ( !wxWindow::SetForegroundColour(col) )
543 return FALSE;
544
545 ListView_SetTextColor(GetHwnd(), wxColourToRGB(col));
546
547 return TRUE;
548 }
549
550 // Sets the background colour
551 bool wxListCtrl::SetBackgroundColour(const wxColour& col)
552 {
553 if ( !wxWindow::SetBackgroundColour(col) )
554 return FALSE;
555
556 // we set the same colour for both the "empty" background and the items
557 // background
558 COLORREF color = wxColourToRGB(col);
559 ListView_SetBkColor(GetHwnd(), color);
560 ListView_SetTextBkColor(GetHwnd(), color);
561
562 return TRUE;
563 }
564
565 // Gets information about this column
566 bool wxListCtrl::GetColumn(int col, wxListItem& item) const
567 {
568 LV_COLUMN lvCol;
569 wxZeroMemory(lvCol);
570
571 if ( item.m_mask & wxLIST_MASK_TEXT )
572 {
573 lvCol.mask |= LVCF_TEXT;
574 lvCol.pszText = new wxChar[513];
575 lvCol.cchTextMax = 512;
576 }
577
578 bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0;
579
580 // item.m_subItem = lvCol.iSubItem;
581 item.m_width = lvCol.cx;
582
583 if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText )
584 {
585 item.m_text = lvCol.pszText;
586 delete[] lvCol.pszText;
587 }
588
589 if ( item.m_mask & wxLIST_MASK_FORMAT )
590 {
591 if (lvCol.fmt == LVCFMT_LEFT)
592 item.m_format = wxLIST_FORMAT_LEFT;
593 else if (lvCol.fmt == LVCFMT_RIGHT)
594 item.m_format = wxLIST_FORMAT_RIGHT;
595 else if (lvCol.fmt == LVCFMT_CENTER)
596 item.m_format = wxLIST_FORMAT_CENTRE;
597 }
598
599 return success;
600 }
601
602 // Sets information about this column
603 bool wxListCtrl::SetColumn(int col, wxListItem& item)
604 {
605 LV_COLUMN lvCol;
606 wxConvertToMSWListCol(col, item, lvCol);
607
608 return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0;
609 }
610
611 // Gets the column width
612 int wxListCtrl::GetColumnWidth(int col) const
613 {
614 return ListView_GetColumnWidth(GetHwnd(), col);
615 }
616
617 // Sets the column width
618 bool wxListCtrl::SetColumnWidth(int col, int width)
619 {
620 int col2 = col;
621 if ( m_windowStyle & wxLC_LIST )
622 col2 = -1;
623
624 int width2 = width;
625 if ( width2 == wxLIST_AUTOSIZE)
626 width2 = LVSCW_AUTOSIZE;
627 else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
628 width2 = LVSCW_AUTOSIZE_USEHEADER;
629
630 return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0;
631 }
632
633 // Gets the number of items that can fit vertically in the
634 // visible area of the list control (list or report view)
635 // or the total number of items in the list control (icon
636 // or small icon view)
637 int wxListCtrl::GetCountPerPage() const
638 {
639 return ListView_GetCountPerPage(GetHwnd());
640 }
641
642 // Gets the edit control for editing labels.
643 wxTextCtrl* wxListCtrl::GetEditControl() const
644 {
645 return m_textCtrl;
646 }
647
648 // Gets information about the item
649 bool wxListCtrl::GetItem(wxListItem& info) const
650 {
651 LV_ITEM lvItem;
652 wxZeroMemory(lvItem);
653
654 lvItem.iItem = info.m_itemId;
655 lvItem.iSubItem = info.m_col;
656
657 if ( info.m_mask & wxLIST_MASK_TEXT )
658 {
659 lvItem.mask |= LVIF_TEXT;
660 lvItem.pszText = new wxChar[513];
661 lvItem.cchTextMax = 512;
662 }
663 else
664 {
665 lvItem.pszText = NULL;
666 }
667
668 if (info.m_mask & wxLIST_MASK_DATA)
669 lvItem.mask |= LVIF_PARAM;
670
671 if (info.m_mask & wxLIST_MASK_IMAGE)
672 lvItem.mask |= LVIF_IMAGE;
673
674 if ( info.m_mask & wxLIST_MASK_STATE )
675 {
676 lvItem.mask |= LVIF_STATE;
677 // the other bits are hardly interesting anyhow
678 lvItem.stateMask = LVIS_SELECTED | LVIS_FOCUSED;
679 }
680
681 bool success = ListView_GetItem((HWND)GetHWND(), &lvItem) != 0;
682 if ( !success )
683 {
684 wxLogError(_("Couldn't retrieve information about list control item %d."),
685 lvItem.iItem);
686 }
687 else
688 {
689 // give NULL as hwnd as we already have everything we need
690 wxConvertFromMSWListItem(NULL, info, lvItem);
691 }
692
693 if (lvItem.pszText)
694 delete[] lvItem.pszText;
695
696 return success;
697 }
698
699 // Sets information about the item
700 bool wxListCtrl::SetItem(wxListItem& info)
701 {
702 LV_ITEM item;
703 wxConvertToMSWListItem(this, info, item);
704
705 item.cchTextMax = 0;
706 if ( !ListView_SetItem(GetHwnd(), &item) )
707 {
708 wxLogDebug(_T("ListView_SetItem() failed"));
709
710 return FALSE;
711 }
712
713 // we need to update the item immediately to show the new image
714 bool updateNow = (info.m_mask & wxLIST_MASK_IMAGE) != 0;
715
716 // check whether it has any custom attributes
717 if ( info.HasAttributes() )
718 {
719 wxListItemAttr *attr = (wxListItemAttr *)m_attrs.Get(item.iItem);
720
721 if ( attr == NULL )
722 m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
723 else
724 *attr = *info.GetAttributes();
725
726 m_hasAnyAttr = TRUE;
727
728 // if the colour has changed, we must redraw the item
729 updateNow = TRUE;
730 }
731
732 if ( updateNow )
733 {
734 // we need this to make the change visible right now
735 ListView_Update(GetHwnd(), item.iItem);
736 }
737
738 return TRUE;
739 }
740
741 long wxListCtrl::SetItem(long index, int col, const wxString& label, int imageId)
742 {
743 wxListItem info;
744 info.m_text = label;
745 info.m_mask = wxLIST_MASK_TEXT;
746 info.m_itemId = index;
747 info.m_col = col;
748 if ( imageId > -1 )
749 {
750 info.m_image = imageId;
751 info.m_mask |= wxLIST_MASK_IMAGE;
752 }
753 return SetItem(info);
754 }
755
756
757 // Gets the item state
758 int wxListCtrl::GetItemState(long item, long stateMask) const
759 {
760 wxListItem info;
761
762 info.m_mask = wxLIST_MASK_STATE;
763 info.m_stateMask = stateMask;
764 info.m_itemId = item;
765
766 if (!GetItem(info))
767 return 0;
768
769 return info.m_state;
770 }
771
772 // Sets the item state
773 bool wxListCtrl::SetItemState(long item, long state, long stateMask)
774 {
775 // NB: don't use SetItem() here as it doesn't work with the virtual list
776 // controls
777 LV_ITEM lvItem;
778 wxZeroMemory(lvItem);
779
780 wxConvertToMSWFlags(state, stateMask, lvItem);
781
782 if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
783 (WPARAM)item, (LPARAM)&lvItem) )
784 {
785 wxLogLastError(_T("ListView_SetItemState"));
786
787 return FALSE;
788 }
789
790 return TRUE;
791 }
792
793 // Sets the item image
794 bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage))
795 {
796 wxListItem info;
797
798 info.m_mask = wxLIST_MASK_IMAGE;
799 info.m_image = image;
800 info.m_itemId = item;
801
802 return SetItem(info);
803 }
804
805 // Gets the item text
806 wxString wxListCtrl::GetItemText(long item) const
807 {
808 wxListItem info;
809
810 info.m_mask = wxLIST_MASK_TEXT;
811 info.m_itemId = item;
812
813 if (!GetItem(info))
814 return wxString("");
815 return info.m_text;
816 }
817
818 // Sets the item text
819 void wxListCtrl::SetItemText(long item, const wxString& str)
820 {
821 wxListItem info;
822
823 info.m_mask = wxLIST_MASK_TEXT;
824 info.m_itemId = item;
825 info.m_text = str;
826
827 SetItem(info);
828 }
829
830 // Gets the item data
831 long wxListCtrl::GetItemData(long item) const
832 {
833 wxListItem info;
834
835 info.m_mask = wxLIST_MASK_DATA;
836 info.m_itemId = item;
837
838 if (!GetItem(info))
839 return 0;
840 return info.m_data;
841 }
842
843 // Sets the item data
844 bool wxListCtrl::SetItemData(long item, long data)
845 {
846 wxListItem info;
847
848 info.m_mask = wxLIST_MASK_DATA;
849 info.m_itemId = item;
850 info.m_data = data;
851
852 return SetItem(info);
853 }
854
855 // Gets the item rectangle
856 bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
857 {
858 RECT rect2;
859
860 int code2 = LVIR_BOUNDS;
861 if ( code == wxLIST_RECT_BOUNDS )
862 code2 = LVIR_BOUNDS;
863 else if ( code == wxLIST_RECT_ICON )
864 code2 = LVIR_ICON;
865 else if ( code == wxLIST_RECT_LABEL )
866 code2 = LVIR_LABEL;
867
868 #ifdef __WXWINE__
869 bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
870 #else
871 bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
872 #endif
873
874 rect.x = rect2.left;
875 rect.y = rect2.top;
876 rect.width = rect2.right - rect2.left;
877 rect.height = rect2.bottom - rect2.top;
878 return success;
879 }
880
881 // Gets the item position
882 bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const
883 {
884 POINT pt;
885
886 bool success = (ListView_GetItemPosition(GetHwnd(), (int) item, &pt) != 0);
887
888 pos.x = pt.x; pos.y = pt.y;
889 return success;
890 }
891
892 // Sets the item position.
893 bool wxListCtrl::SetItemPosition(long item, const wxPoint& pos)
894 {
895 return (ListView_SetItemPosition(GetHwnd(), (int) item, pos.x, pos.y) != 0);
896 }
897
898 // Gets the number of items in the list control
899 int wxListCtrl::GetItemCount() const
900 {
901 return ListView_GetItemCount(GetHwnd());
902 }
903
904 // Retrieves the spacing between icons in pixels.
905 // If small is TRUE, gets the spacing for the small icon
906 // view, otherwise the large icon view.
907 int wxListCtrl::GetItemSpacing(bool isSmall) const
908 {
909 return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall);
910 }
911
912 // Gets the number of selected items in the list control
913 int wxListCtrl::GetSelectedItemCount() const
914 {
915 return ListView_GetSelectedCount(GetHwnd());
916 }
917
918 // Gets the text colour of the listview
919 wxColour wxListCtrl::GetTextColour() const
920 {
921 COLORREF ref = ListView_GetTextColor(GetHwnd());
922 wxColour col(GetRValue(ref), GetGValue(ref), GetBValue(ref));
923 return col;
924 }
925
926 // Sets the text colour of the listview
927 void wxListCtrl::SetTextColour(const wxColour& col)
928 {
929 ListView_SetTextColor(GetHwnd(), PALETTERGB(col.Red(), col.Green(), col.Blue()));
930 }
931
932 // Gets the index of the topmost visible item when in
933 // list or report view
934 long wxListCtrl::GetTopItem() const
935 {
936 return (long) ListView_GetTopIndex(GetHwnd());
937 }
938
939 // Searches for an item, starting from 'item'.
940 // 'geometry' is one of
941 // wxLIST_NEXT_ABOVE/ALL/BELOW/LEFT/RIGHT.
942 // 'state' is a state bit flag, one or more of
943 // wxLIST_STATE_DROPHILITED/FOCUSED/SELECTED/CUT.
944 // item can be -1 to find the first item that matches the
945 // specified flags.
946 // Returns the item or -1 if unsuccessful.
947 long wxListCtrl::GetNextItem(long item, int geom, int state) const
948 {
949 long flags = 0;
950
951 if ( geom == wxLIST_NEXT_ABOVE )
952 flags |= LVNI_ABOVE;
953 if ( geom == wxLIST_NEXT_ALL )
954 flags |= LVNI_ALL;
955 if ( geom == wxLIST_NEXT_BELOW )
956 flags |= LVNI_BELOW;
957 if ( geom == wxLIST_NEXT_LEFT )
958 flags |= LVNI_TOLEFT;
959 if ( geom == wxLIST_NEXT_RIGHT )
960 flags |= LVNI_TORIGHT;
961
962 if ( state & wxLIST_STATE_CUT )
963 flags |= LVNI_CUT;
964 if ( state & wxLIST_STATE_DROPHILITED )
965 flags |= LVNI_DROPHILITED;
966 if ( state & wxLIST_STATE_FOCUSED )
967 flags |= LVNI_FOCUSED;
968 if ( state & wxLIST_STATE_SELECTED )
969 flags |= LVNI_SELECTED;
970
971 return (long) ListView_GetNextItem(GetHwnd(), item, flags);
972 }
973
974
975 wxImageList *wxListCtrl::GetImageList(int which) const
976 {
977 if ( which == wxIMAGE_LIST_NORMAL )
978 {
979 return m_imageListNormal;
980 }
981 else if ( which == wxIMAGE_LIST_SMALL )
982 {
983 return m_imageListSmall;
984 }
985 else if ( which == wxIMAGE_LIST_STATE )
986 {
987 return m_imageListState;
988 }
989 return NULL;
990 }
991
992 void wxListCtrl::SetImageList(wxImageList *imageList, int which)
993 {
994 int flags = 0;
995 if ( which == wxIMAGE_LIST_NORMAL )
996 {
997 flags = LVSIL_NORMAL;
998 if (m_ownsImageListNormal) delete m_imageListNormal;
999 m_imageListNormal = imageList;
1000 m_ownsImageListNormal = FALSE;
1001 }
1002 else if ( which == wxIMAGE_LIST_SMALL )
1003 {
1004 flags = LVSIL_SMALL;
1005 if (m_ownsImageListSmall) delete m_imageListSmall;
1006 m_imageListSmall = imageList;
1007 m_ownsImageListSmall = FALSE;
1008 }
1009 else if ( which == wxIMAGE_LIST_STATE )
1010 {
1011 flags = LVSIL_STATE;
1012 if (m_ownsImageListState) delete m_imageListState;
1013 m_imageListState = imageList;
1014 m_ownsImageListState = FALSE;
1015 }
1016 ListView_SetImageList(GetHwnd(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags);
1017 }
1018
1019 void wxListCtrl::AssignImageList(wxImageList *imageList, int which)
1020 {
1021 SetImageList(imageList, which);
1022 if ( which == wxIMAGE_LIST_NORMAL )
1023 m_ownsImageListNormal = TRUE;
1024 else if ( which == wxIMAGE_LIST_SMALL )
1025 m_ownsImageListSmall = TRUE;
1026 else if ( which == wxIMAGE_LIST_STATE )
1027 m_ownsImageListState = TRUE;
1028 }
1029
1030 // ----------------------------------------------------------------------------
1031 // Operations
1032 // ----------------------------------------------------------------------------
1033
1034 // Arranges the items
1035 bool wxListCtrl::Arrange(int flag)
1036 {
1037 UINT code = 0;
1038 if ( flag == wxLIST_ALIGN_LEFT )
1039 code = LVA_ALIGNLEFT;
1040 else if ( flag == wxLIST_ALIGN_TOP )
1041 code = LVA_ALIGNTOP;
1042 else if ( flag == wxLIST_ALIGN_DEFAULT )
1043 code = LVA_DEFAULT;
1044 else if ( flag == wxLIST_ALIGN_SNAP_TO_GRID )
1045 code = LVA_SNAPTOGRID;
1046
1047 return (ListView_Arrange(GetHwnd(), code) != 0);
1048 }
1049
1050 // Deletes an item
1051 bool wxListCtrl::DeleteItem(long item)
1052 {
1053 if ( !ListView_DeleteItem(GetHwnd(), (int) item) )
1054 {
1055 wxLogLastError(_T("ListView_DeleteItem"));
1056 return FALSE;
1057 }
1058
1059 // the virtual list control doesn't refresh itself correctly, help it
1060 if ( IsVirtual() )
1061 {
1062 // we need to refresh all the lines below the one which was deleted
1063 wxRect rectItem;
1064 if ( item > 0 && GetItemCount() )
1065 {
1066 GetItemRect(item - 1, rectItem);
1067 }
1068 else
1069 {
1070 rectItem.y =
1071 rectItem.height = 0;
1072 }
1073
1074 wxRect rectWin = GetRect();
1075 rectWin.height = rectWin.GetBottom() - rectItem.GetBottom();
1076 rectWin.y = rectItem.GetBottom();
1077
1078 RefreshRect(rectWin);
1079 }
1080
1081 return TRUE;
1082 }
1083
1084 // Deletes all items
1085 bool wxListCtrl::DeleteAllItems()
1086 {
1087 return ListView_DeleteAllItems(GetHwnd()) != 0;
1088 }
1089
1090 // Deletes all items
1091 bool wxListCtrl::DeleteAllColumns()
1092 {
1093 while ( m_colCount > 0 )
1094 {
1095 if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 )
1096 {
1097 wxLogLastError(wxT("ListView_DeleteColumn"));
1098
1099 return FALSE;
1100 }
1101
1102 m_colCount--;
1103 }
1104
1105 wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") );
1106
1107 return TRUE;
1108 }
1109
1110 // Deletes a column
1111 bool wxListCtrl::DeleteColumn(int col)
1112 {
1113 bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0);
1114
1115 if ( success && (m_colCount > 0) )
1116 m_colCount --;
1117 return success;
1118 }
1119
1120 // Clears items, and columns if there are any.
1121 void wxListCtrl::ClearAll()
1122 {
1123 DeleteAllItems();
1124 if ( m_colCount > 0 )
1125 DeleteAllColumns();
1126 }
1127
1128 wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass)
1129 {
1130 wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) );
1131
1132 // VS: ListView_EditLabel requires that the list has focus.
1133 SetFocus();
1134 HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item);
1135
1136 if (m_textCtrl)
1137 {
1138 m_textCtrl->SetHWND(0);
1139 m_textCtrl->UnsubclassWin();
1140 delete m_textCtrl;
1141 m_textCtrl = NULL;
1142 }
1143
1144 m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject();
1145 m_textCtrl->SetHWND((WXHWND) hWnd);
1146 m_textCtrl->SubclassWin((WXHWND) hWnd);
1147
1148 return m_textCtrl;
1149 }
1150
1151 // End label editing, optionally cancelling the edit
1152 bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel))
1153 {
1154 wxFAIL_MSG( _T("not implemented") );
1155
1156 return FALSE;
1157 }
1158
1159 // Ensures this item is visible
1160 bool wxListCtrl::EnsureVisible(long item)
1161 {
1162 return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0;
1163 }
1164
1165 // Find an item whose label matches this string, starting from the item after 'start'
1166 // or the beginning if 'start' is -1.
1167 long wxListCtrl::FindItem(long start, const wxString& str, bool partial)
1168 {
1169 LV_FINDINFO findInfo;
1170
1171 findInfo.flags = LVFI_STRING;
1172 if ( partial )
1173 findInfo.flags |= LVFI_PARTIAL;
1174 findInfo.psz = str;
1175
1176 // ListView_FindItem() excludes the first item from search and to look
1177 // through all the items you need to start from -1 which is unnatural and
1178 // inconsistent with the generic version - so we adjust the index
1179 if (start != -1)
1180 start --;
1181 return ListView_FindItem(GetHwnd(), (int) start, &findInfo);
1182 }
1183
1184 // Find an item whose data matches this data, starting from the item after 'start'
1185 // or the beginning if 'start' is -1.
1186 long wxListCtrl::FindItem(long start, long data)
1187 {
1188 LV_FINDINFO findInfo;
1189
1190 findInfo.flags = LVFI_PARAM;
1191 findInfo.lParam = data;
1192
1193 return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1194 }
1195
1196 // Find an item nearest this position in the specified direction, starting from
1197 // the item after 'start' or the beginning if 'start' is -1.
1198 long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction)
1199 {
1200 LV_FINDINFO findInfo;
1201
1202 findInfo.flags = LVFI_NEARESTXY;
1203 findInfo.pt.x = pt.x;
1204 findInfo.pt.y = pt.y;
1205 findInfo.vkDirection = VK_RIGHT;
1206
1207 if ( direction == wxLIST_FIND_UP )
1208 findInfo.vkDirection = VK_UP;
1209 else if ( direction == wxLIST_FIND_DOWN )
1210 findInfo.vkDirection = VK_DOWN;
1211 else if ( direction == wxLIST_FIND_LEFT )
1212 findInfo.vkDirection = VK_LEFT;
1213 else if ( direction == wxLIST_FIND_RIGHT )
1214 findInfo.vkDirection = VK_RIGHT;
1215
1216 return ListView_FindItem(GetHwnd(), (int) start, & findInfo);
1217 }
1218
1219 // Determines which item (if any) is at the specified point,
1220 // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
1221 long wxListCtrl::HitTest(const wxPoint& point, int& flags)
1222 {
1223 LV_HITTESTINFO hitTestInfo;
1224 hitTestInfo.pt.x = (int) point.x;
1225 hitTestInfo.pt.y = (int) point.y;
1226
1227 ListView_HitTest(GetHwnd(), & hitTestInfo);
1228
1229 flags = 0;
1230 if ( hitTestInfo.flags & LVHT_ABOVE )
1231 flags |= wxLIST_HITTEST_ABOVE;
1232 if ( hitTestInfo.flags & LVHT_BELOW )
1233 flags |= wxLIST_HITTEST_BELOW;
1234 if ( hitTestInfo.flags & LVHT_NOWHERE )
1235 flags |= wxLIST_HITTEST_NOWHERE;
1236 if ( hitTestInfo.flags & LVHT_ONITEMICON )
1237 flags |= wxLIST_HITTEST_ONITEMICON;
1238 if ( hitTestInfo.flags & LVHT_ONITEMLABEL )
1239 flags |= wxLIST_HITTEST_ONITEMLABEL;
1240 if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON )
1241 flags |= wxLIST_HITTEST_ONITEMSTATEICON;
1242 if ( hitTestInfo.flags & LVHT_TOLEFT )
1243 flags |= wxLIST_HITTEST_TOLEFT;
1244 if ( hitTestInfo.flags & LVHT_TORIGHT )
1245 flags |= wxLIST_HITTEST_TORIGHT;
1246
1247 return (long) hitTestInfo.iItem;
1248 }
1249
1250 // Inserts an item, returning the index of the new item if successful,
1251 // -1 otherwise.
1252 long wxListCtrl::InsertItem(wxListItem& info)
1253 {
1254 wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") );
1255
1256 LV_ITEM item;
1257 wxConvertToMSWListItem(this, info, item);
1258
1259 // check whether it has any custom attributes
1260 if ( info.HasAttributes() )
1261 {
1262
1263 wxListItemAttr *attr;
1264 attr = (wxListItemAttr*) m_attrs.Get(item.iItem);
1265
1266 if (attr == NULL)
1267
1268 m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes()));
1269
1270 else *attr = *info.GetAttributes();
1271
1272 m_hasAnyAttr = TRUE;
1273 }
1274
1275 return (long) ListView_InsertItem(GetHwnd(), & item);
1276 }
1277
1278 long wxListCtrl::InsertItem(long index, const wxString& label)
1279 {
1280 wxListItem info;
1281 info.m_text = label;
1282 info.m_mask = wxLIST_MASK_TEXT;
1283 info.m_itemId = index;
1284 return InsertItem(info);
1285 }
1286
1287 // Inserts an image item
1288 long wxListCtrl::InsertItem(long index, int imageIndex)
1289 {
1290 wxListItem info;
1291 info.m_image = imageIndex;
1292 info.m_mask = wxLIST_MASK_IMAGE;
1293 info.m_itemId = index;
1294 return InsertItem(info);
1295 }
1296
1297 // Inserts an image/string item
1298 long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex)
1299 {
1300 wxListItem info;
1301 info.m_image = imageIndex;
1302 info.m_text = label;
1303 info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT;
1304 info.m_itemId = index;
1305 return InsertItem(info);
1306 }
1307
1308 // For list view mode (only), inserts a column.
1309 long wxListCtrl::InsertColumn(long col, wxListItem& item)
1310 {
1311 LV_COLUMN lvCol;
1312 wxConvertToMSWListCol(col, item, lvCol);
1313
1314 if ( !(lvCol.mask & LVCF_WIDTH) )
1315 {
1316 // always give some width to the new column: this one is compatible
1317 // with the generic version
1318 lvCol.mask |= LVCF_WIDTH;
1319 lvCol.cx = 80;
1320 }
1321
1322 // when we insert a column which can contain an image, we must specify this
1323 // flag right now as doing it later in SetColumn() has no effect
1324 //
1325 // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no
1326 // way to dynamically set/clear the bitmap as the column without a bitmap
1327 // on the left looks ugly (there is a hole)
1328 //
1329 // unfortunately with my version of comctl32.dll (5.80), the left column
1330 // image is always on the left and it seems that it's a "feature" - I
1331 // didn't find any way to work around it in any case
1332 if ( lvCol.mask & LVCF_IMAGE )
1333 {
1334 lvCol.mask |= LVCF_FMT;
1335 lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT;
1336 }
1337
1338 bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1;
1339 if ( success )
1340 {
1341 m_colCount++;
1342 }
1343 else
1344 {
1345 wxLogDebug(wxT("Failed to insert the column '%s' into listview!"),
1346 lvCol.pszText);
1347 }
1348
1349 return success;
1350 }
1351
1352 long wxListCtrl::InsertColumn(long col,
1353 const wxString& heading,
1354 int format,
1355 int width)
1356 {
1357 wxListItem item;
1358 item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT;
1359 item.m_text = heading;
1360 if ( width > -1 )
1361 {
1362 item.m_mask |= wxLIST_MASK_WIDTH;
1363 item.m_width = width;
1364 }
1365 item.m_format = format;
1366
1367 return InsertColumn(col, item);
1368 }
1369
1370 // Scrolls the list control. If in icon, small icon or report view mode,
1371 // x specifies the number of pixels to scroll. If in list view mode, x
1372 // specifies the number of columns to scroll.
1373 // If in icon, small icon or list view mode, y specifies the number of pixels
1374 // to scroll. If in report view mode, y specifies the number of lines to scroll.
1375 bool wxListCtrl::ScrollList(int dx, int dy)
1376 {
1377 return (ListView_Scroll(GetHwnd(), dx, dy) != 0);
1378 }
1379
1380 // Sort items.
1381
1382 // fn is a function which takes 3 long arguments: item1, item2, data.
1383 // item1 is the long data associated with a first item (NOT the index).
1384 // item2 is the long data associated with a second item (NOT the index).
1385 // data is the same value as passed to SortItems.
1386 // The return value is a negative number if the first item should precede the second
1387 // item, a positive number of the second item should precede the first,
1388 // or zero if the two items are equivalent.
1389
1390 // data is arbitrary data to be passed to the sort function.
1391
1392 // FIXME: this is horrible and MT-unsafe and everything else but I don't have
1393 // time for anything better right now (VZ)
1394 static long gs_sortData = 0;
1395 static wxListCtrl *gs_sortCtrl = NULL;
1396 static wxListCtrlCompare gs_sortFunction = NULL;
1397
1398 int wxCMPFUNC_CONV wxListCtrlCompareFn(const void *arg1, const void *arg2)
1399 {
1400 int n1 = *(const int *)arg1,
1401 n2 = *(const int *)arg2;
1402
1403 return gs_sortFunction(gs_sortCtrl->GetItemData(n1),
1404 gs_sortCtrl->GetItemData(n2),
1405 gs_sortData);
1406 }
1407
1408 bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data)
1409 {
1410 // sort the attributes too
1411 if ( m_hasAnyAttr )
1412 {
1413 int n,
1414 count = GetItemCount();
1415 int *aItems = new int[count];
1416 for ( n = 0; n < count; n++ )
1417 {
1418 aItems[n] = n;
1419 }
1420
1421 gs_sortData = data;
1422 gs_sortCtrl = this;
1423 gs_sortFunction = fn;
1424
1425 qsort(aItems, count, sizeof(int), wxListCtrlCompareFn);
1426
1427 gs_sortData = 0;
1428 gs_sortCtrl = NULL;
1429 gs_sortFunction = NULL;
1430
1431 wxHashTable attrsNew(wxKEY_INTEGER, 1000);
1432 for ( n = 0; n < count; n++ )
1433 {
1434 wxObject *attr = m_attrs.Delete(aItems[n]);
1435 if ( attr )
1436 {
1437 attrsNew.Put(n, attr);
1438 }
1439 }
1440
1441 m_attrs.Destroy();
1442 m_attrs = attrsNew;
1443
1444 delete [] aItems;
1445 }
1446
1447 if ( !ListView_SortItems(GetHwnd(), (PFNLVCOMPARE)fn, data) )
1448 {
1449 wxLogDebug(_T("ListView_SortItems() failed"));
1450
1451 return FALSE;
1452 }
1453
1454 return TRUE;
1455 }
1456
1457
1458
1459 // ----------------------------------------------------------------------------
1460 // message processing
1461 // ----------------------------------------------------------------------------
1462
1463 bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id)
1464 {
1465 if (cmd == EN_UPDATE)
1466 {
1467 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id);
1468 event.SetEventObject( this );
1469 ProcessCommand(event);
1470 return TRUE;
1471 }
1472 else if (cmd == EN_KILLFOCUS)
1473 {
1474 wxCommandEvent event(wxEVT_KILL_FOCUS, id);
1475 event.SetEventObject( this );
1476 ProcessCommand(event);
1477 return TRUE;
1478 }
1479 else
1480 return FALSE;
1481 }
1482
1483 bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
1484 {
1485 // prepare the event
1486 // -----------------
1487
1488 wxListEvent event(wxEVT_NULL, m_windowId);
1489 event.SetEventObject(this);
1490
1491 wxEventType eventType = wxEVT_NULL;
1492
1493 NMHDR *nmhdr = (NMHDR *)lParam;
1494
1495 // if your compiler is as broken as this, you should really change it: this
1496 // code is needed for normal operation! #ifdef below is only useful for
1497 // automatic rebuilds which are done with a very old compiler version
1498 #ifdef LVM_FIRST
1499
1500 // check for messages from the header (in report view)
1501 HWND hwndHdr = ListView_GetHeader(GetHwnd());
1502
1503 // is it a message from the header?
1504 if ( nmhdr->hwndFrom == hwndHdr )
1505 {
1506 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1507 event.m_itemIndex = -1;
1508
1509 switch ( nmhdr->code )
1510 {
1511 // yet another comctl32.dll bug: under NT/W2K it sends Unicode
1512 // TRACK messages even to ANSI programs: on my system I get
1513 // HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all!
1514 //
1515 // work around is to simply catch both versions and hope that it
1516 // works (why should this message exist in ANSI and Unicode is
1517 // beyond me as it doesn't deal with strings at all...)
1518 case HDN_BEGINTRACKA:
1519 case HDN_BEGINTRACKW:
1520 eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
1521 // fall through
1522
1523 case HDN_TRACKA:
1524 case HDN_TRACKW:
1525 if ( eventType == wxEVT_NULL )
1526 eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
1527 // fall through
1528
1529 case HDN_ENDTRACKA:
1530 case HDN_ENDTRACKW:
1531 if ( eventType == wxEVT_NULL )
1532 eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
1533 event.m_col = nmHDR->iItem;
1534 break;
1535
1536 case NM_RCLICK:
1537 {
1538 eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
1539 event.m_col = -1;
1540
1541 // find the column clicked: we have to search for it
1542 // ourselves as the notification message doesn't provide
1543 // this info
1544
1545 // where did the click occur?
1546 POINT ptClick;
1547 if ( !::GetCursorPos(&ptClick) )
1548 {
1549 wxLogLastError(_T("GetCursorPos"));
1550 }
1551
1552 if ( !::ScreenToClient(hwndHdr, &ptClick) )
1553 {
1554 wxLogLastError(_T("ScreenToClient(listctrl header)"));
1555 }
1556
1557 event.m_pointDrag.x = ptClick.x;
1558 event.m_pointDrag.y = ptClick.y;
1559
1560 int colCount = Header_GetItemCount(hwndHdr);
1561
1562 RECT rect;
1563 for ( int col = 0; col < colCount; col++ )
1564 {
1565 if ( Header_GetItemRect(hwndHdr, col, &rect) )
1566 {
1567 if ( ::PtInRect(&rect, ptClick) )
1568 {
1569 event.m_col = col;
1570 break;
1571 }
1572 }
1573 }
1574 }
1575 break;
1576
1577 default:
1578 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1579 }
1580 }
1581 else
1582 #endif // defined(LVM_FIRST)
1583 if ( nmhdr->hwndFrom == GetHwnd() )
1584 {
1585 // almost all messages use NM_LISTVIEW
1586 NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
1587
1588 // this is true for almost all events
1589 event.m_item.m_data = nmLV->lParam;
1590
1591 switch ( nmhdr->code )
1592 {
1593 case LVN_BEGINRDRAG:
1594 eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1595 // fall through
1596
1597 case LVN_BEGINDRAG:
1598 if ( eventType == wxEVT_NULL )
1599 {
1600 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1601 }
1602
1603 event.m_itemIndex = nmLV->iItem;
1604 event.m_pointDrag.x = nmLV->ptAction.x;
1605 event.m_pointDrag.y = nmLV->ptAction.y;
1606 break;
1607
1608 case LVN_BEGINLABELEDIT:
1609 {
1610 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1611 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1612 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1613 event.m_itemIndex = event.m_item.m_itemId;
1614 }
1615 break;
1616
1617 case LVN_COLUMNCLICK:
1618 eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1619 event.m_itemIndex = -1;
1620 event.m_col = nmLV->iSubItem;
1621 break;
1622
1623 case LVN_DELETEALLITEMS:
1624 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1625 event.m_itemIndex = -1;
1626
1627 FreeAllAttrs();
1628
1629 break;
1630
1631 case LVN_DELETEITEM:
1632 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1633 event.m_itemIndex = nmLV->iItem;
1634
1635 if ( m_hasAnyAttr )
1636 {
1637 delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
1638 }
1639 break;
1640
1641 case LVN_ENDLABELEDIT:
1642 {
1643 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1644 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1645 wxConvertFromMSWListItem(NULL, event.m_item, info->item);
1646 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1647 return FALSE;
1648
1649 event.m_itemIndex = event.m_item.m_itemId;
1650 }
1651 break;
1652
1653 case LVN_SETDISPINFO:
1654 {
1655 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1656 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1657 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1658 }
1659 break;
1660
1661 case LVN_INSERTITEM:
1662 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1663 event.m_itemIndex = nmLV->iItem;
1664 break;
1665
1666 case LVN_ITEMCHANGED:
1667 // we translate this catch all message into more interesting
1668 // (and more easy to process) wxWindows events
1669
1670 // first of all, we deal with the state change events only
1671 if ( nmLV->uChanged & LVIF_STATE )
1672 {
1673 // temp vars for readability
1674 const UINT stOld = nmLV->uOldState;
1675 const UINT stNew = nmLV->uNewState;
1676
1677 // has the focus changed?
1678 if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) )
1679 {
1680 eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED;
1681 event.m_itemIndex = nmLV->iItem;
1682 }
1683
1684 if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) )
1685 {
1686 if ( eventType != wxEVT_NULL )
1687 {
1688 // focus and selection have both changed: send the
1689 // focus event from here and the selection one
1690 // below
1691 event.SetEventType(eventType);
1692 (void)GetEventHandler()->ProcessEvent(event);
1693 }
1694 else // no focus event to send
1695 {
1696 // then need to set m_itemIndex as it wasn't done
1697 // above
1698 event.m_itemIndex = nmLV->iItem;
1699 }
1700
1701 eventType = stNew & LVIS_SELECTED
1702 ? wxEVT_COMMAND_LIST_ITEM_SELECTED
1703 : wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1704 }
1705 }
1706
1707 if ( eventType == wxEVT_NULL )
1708 {
1709 // not an interesting event for us
1710 return FALSE;
1711 }
1712
1713 break;
1714
1715 case LVN_KEYDOWN:
1716 {
1717 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1718 WORD wVKey = info->wVKey;
1719
1720 // get the current selection
1721 long lItem = GetNextItem(-1,
1722 wxLIST_NEXT_ALL,
1723 wxLIST_STATE_SELECTED);
1724
1725 // <Enter> or <Space> activate the selected item if any (but
1726 // not with Shift and/or Ctrl as then they have a predefined
1727 // meaning for the list view)
1728 if ( lItem != -1 &&
1729 (wVKey == VK_RETURN || wVKey == VK_SPACE) &&
1730 !(wxIsShiftDown() || wxIsCtrlDown()) )
1731 {
1732 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1733 }
1734 else
1735 {
1736 eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1737
1738 // wxCharCodeMSWToWX() returns 0 if the key is an ASCII
1739 // value which should be used as is
1740 int code = wxCharCodeMSWToWX(wVKey);
1741 event.m_code = code ? code : wVKey;
1742 }
1743
1744 event.m_itemIndex =
1745 event.m_item.m_itemId = lItem;
1746
1747 if ( lItem != -1 )
1748 {
1749 // fill the other fields too
1750 event.m_item.m_text = GetItemText(lItem);
1751 event.m_item.m_data = GetItemData(lItem);
1752 }
1753 }
1754 break;
1755
1756 case NM_DBLCLK:
1757 // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1758 // anything else
1759 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1760 {
1761 return TRUE;
1762 }
1763
1764 // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1765 // if it happened on an item (and not on empty place)
1766 if ( nmLV->iItem == -1 )
1767 {
1768 // not on item
1769 return FALSE;
1770 }
1771
1772 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1773 event.m_itemIndex = nmLV->iItem;
1774 event.m_item.m_text = GetItemText(nmLV->iItem);
1775 event.m_item.m_data = GetItemData(nmLV->iItem);
1776 break;
1777
1778 case NM_RCLICK:
1779 // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
1780 // don't do anything else
1781 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1782 {
1783 return TRUE;
1784 }
1785
1786 // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
1787 LV_HITTESTINFO lvhti;
1788 wxZeroMemory(lvhti);
1789
1790 ::GetCursorPos(&(lvhti.pt));
1791 ::ScreenToClient(GetHwnd(),&(lvhti.pt));
1792 if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
1793 {
1794 if ( lvhti.flags & LVHT_ONITEM )
1795 {
1796 eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
1797 event.m_itemIndex = lvhti.iItem;
1798 event.m_pointDrag.x = lvhti.pt.x;
1799 event.m_pointDrag.y = lvhti.pt.y;
1800 }
1801 }
1802 break;
1803
1804 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1805 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
1806 case NM_CUSTOMDRAW:
1807 *result = OnCustomDraw(lParam);
1808
1809 return TRUE;
1810 #endif // _WIN32_IE >= 0x300
1811
1812 case LVN_ODCACHEHINT:
1813 {
1814 const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
1815
1816 eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
1817
1818 // we get some really stupid cache hints like ones for items in
1819 // range 0..0 for an empty control or, after deleting an item,
1820 // for items in invalid range - filter this garbage out
1821 if ( cacheHint->iFrom < cacheHint->iTo )
1822 {
1823 event.m_oldItemIndex = cacheHint->iFrom;
1824
1825 long iMax = GetItemCount();
1826 event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
1827 : iMax - 1;
1828 }
1829 else
1830 {
1831 return FALSE;
1832 }
1833 }
1834 break;
1835
1836 case LVN_GETDISPINFO:
1837 if ( IsVirtual() )
1838 {
1839 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1840
1841 LV_ITEM& lvi = info->item;
1842 long item = lvi.iItem;
1843
1844 if ( lvi.mask & LVIF_TEXT )
1845 {
1846 wxString text = OnGetItemText(item, lvi.iSubItem);
1847 wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
1848 }
1849
1850 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1851 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
1852 if ( lvi.mask & LVIF_IMAGE )
1853 {
1854 lvi.iImage = OnGetItemImage(item);
1855 }
1856 #endif
1857
1858 // a little dose of healthy paranoia: as we never use
1859 // LVM_SETCALLBACKMASK we're not supposed to get these ones
1860 wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
1861 _T("we don't support state callbacks yet!") );
1862
1863 return TRUE;
1864 }
1865 // fall through
1866
1867 default:
1868 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1869 }
1870 }
1871 else
1872 {
1873 // where did this one come from?
1874 return FALSE;
1875 }
1876
1877 // process the event
1878 // -----------------
1879
1880 event.SetEventType(eventType);
1881
1882 if ( !GetEventHandler()->ProcessEvent(event) )
1883 return FALSE;
1884
1885 // post processing
1886 // ---------------
1887
1888 switch ( nmhdr->code )
1889 {
1890 case LVN_DELETEALLITEMS:
1891 // always return TRUE to suppress all additional LVN_DELETEITEM
1892 // notifications - this makes deleting all items from a list ctrl
1893 // much faster
1894 *result = TRUE;
1895
1896 return TRUE;
1897
1898 case LVN_ENDLABELEDIT:
1899 // logic here is inversed compared to all the other messages
1900 *result = event.IsAllowed();
1901
1902 return TRUE;
1903 }
1904
1905 *result = !event.IsAllowed();
1906
1907 return TRUE;
1908 }
1909
1910 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1911
1912 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
1913 {
1914 LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
1915 NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
1916 switch ( nmcd.dwDrawStage )
1917 {
1918 case CDDS_PREPAINT:
1919 // if we've got any items with non standard attributes,
1920 // notify us before painting each item
1921 //
1922 // for virtual controls, always suppose that we have attributes as
1923 // there is no way to check for this
1924 return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
1925 : CDRF_DODEFAULT;
1926
1927 case CDDS_ITEMPREPAINT:
1928 {
1929 size_t item = (size_t)nmcd.dwItemSpec;
1930 if ( item >= (size_t)GetItemCount() )
1931 {
1932 // we get this message with item == 0 for an empty control,
1933 // we must ignore it as calling OnGetItemAttr() would be
1934 // wrong
1935 return CDRF_DODEFAULT;
1936 }
1937
1938 wxListItemAttr *attr =
1939 IsVirtual() ? OnGetItemAttr(item)
1940 : (wxListItemAttr *)m_attrs.Get(item);
1941
1942 if ( !attr )
1943 {
1944 // nothing to do for this item
1945 return CDRF_DODEFAULT;
1946 }
1947
1948 HFONT hFont;
1949 wxColour colText, colBack;
1950 if ( attr->HasFont() )
1951 {
1952 wxFont font = attr->GetFont();
1953 hFont = (HFONT)font.GetResourceHandle();
1954 }
1955 else
1956 {
1957 hFont = 0;
1958 }
1959
1960 if ( attr->HasTextColour() )
1961 {
1962 colText = attr->GetTextColour();
1963 }
1964 else
1965 {
1966 colText = GetTextColour();
1967 }
1968
1969 if ( attr->HasBackgroundColour() )
1970 {
1971 colBack = attr->GetBackgroundColour();
1972 }
1973 else
1974 {
1975 colBack = GetBackgroundColour();
1976 }
1977
1978 lplvcd->clrText = wxColourToRGB(colText);
1979 lplvcd->clrTextBk = wxColourToRGB(colBack);
1980
1981 // note that if we wanted to set colours for
1982 // individual columns (subitems), we would have
1983 // returned CDRF_NOTIFYSUBITEMREDRAW from here
1984 if ( hFont )
1985 {
1986 ::SelectObject(nmcd.hdc, hFont);
1987
1988 return CDRF_NEWFONT;
1989 }
1990 }
1991 // fall through to return CDRF_DODEFAULT
1992
1993 default:
1994 return CDRF_DODEFAULT;
1995 }
1996 }
1997
1998 #endif // NM_CUSTOMDRAW supported
1999
2000 // Necessary for drawing hrules and vrules, if specified
2001 void wxListCtrl::OnPaint(wxPaintEvent& event)
2002 {
2003 wxPaintDC dc(this);
2004
2005 wxControl::OnPaint(event);
2006
2007 // Reset the device origin since it may have been set
2008 dc.SetDeviceOrigin(0, 0);
2009
2010 bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
2011 bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
2012
2013 if (!drawHRules && !drawVRules)
2014 return;
2015 if ((GetWindowStyle() & wxLC_REPORT) == 0)
2016 return;
2017
2018 wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
2019 dc.SetPen(pen);
2020 dc.SetBrush(* wxTRANSPARENT_BRUSH);
2021
2022 wxSize clientSize = GetClientSize();
2023 wxRect itemRect;
2024 int cy=0;
2025
2026 int itemCount = GetItemCount();
2027 int i;
2028 if (drawHRules)
2029 {
2030 long top = GetTopItem();
2031 for (i = top; i < top + GetCountPerPage() + 1; i++)
2032 {
2033 if (GetItemRect(i, itemRect))
2034 {
2035 cy = itemRect.GetTop();
2036 if (i != 0) // Don't draw the first one
2037 {
2038 dc.DrawLine(0, cy, clientSize.x, cy);
2039 }
2040 // Draw last line
2041 if (i == itemCount - 1)
2042 {
2043 cy = itemRect.GetBottom();
2044 dc.DrawLine(0, cy, clientSize.x, cy);
2045 }
2046 }
2047 }
2048 }
2049 i = itemCount - 1;
2050 if (drawVRules && (i > -1))
2051 {
2052 wxRect firstItemRect;
2053 GetItemRect(0, firstItemRect);
2054
2055 if (GetItemRect(i, itemRect))
2056 {
2057 int col;
2058 int x = itemRect.GetX();
2059 for (col = 0; col < GetColumnCount(); col++)
2060 {
2061 int colWidth = GetColumnWidth(col);
2062 x += colWidth ;
2063 dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
2064 }
2065 }
2066 }
2067 }
2068
2069 // ----------------------------------------------------------------------------
2070 // virtual list controls
2071 // ----------------------------------------------------------------------------
2072
2073 wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
2074 {
2075 // this is a pure virtual function, in fact - which is not really pure
2076 // because the controls which are not virtual don't need to implement it
2077 wxFAIL_MSG( _T("not supposed to be called") );
2078
2079 return wxEmptyString;
2080 }
2081
2082 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
2083 {
2084 // same as above
2085 wxFAIL_MSG( _T("not supposed to be called") );
2086
2087 return -1;
2088 }
2089
2090 wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
2091 {
2092 wxASSERT_MSG( item >= 0 && item < GetItemCount(),
2093 _T("invalid item index in OnGetItemAttr()") );
2094
2095 // no attributes by default
2096 return NULL;
2097 }
2098
2099 void wxListCtrl::SetItemCount(long count)
2100 {
2101 wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
2102
2103 if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
2104 {
2105 wxLogLastError(_T("ListView_SetItemCount"));
2106 }
2107 }
2108
2109 void wxListCtrl::RefreshItem(long item)
2110 {
2111 if ( !ListView_Update(GetHwnd(), item) )
2112 {
2113 wxLogLastError(_T("ListView_Update"));
2114 }
2115 }
2116
2117 void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
2118 {
2119 wxRect rect1, rect2;
2120 GetItemRect(itemFrom, rect1);
2121 GetItemRect(itemTo, rect2);
2122
2123 wxRect rect = rect1;
2124 rect.height = rect2.GetBottom() - rect1.GetTop();
2125
2126 RefreshRect(rect);
2127 }
2128
2129 // ----------------------------------------------------------------------------
2130 // wxListItem
2131 // ----------------------------------------------------------------------------
2132
2133 // List item structure
2134 wxListItem::wxListItem()
2135 {
2136 m_mask = 0;
2137 m_itemId = 0;
2138 m_col = 0;
2139 m_state = 0;
2140 m_stateMask = 0;
2141 m_image = 0;
2142 m_data = 0;
2143
2144 m_format = wxLIST_FORMAT_CENTRE;
2145 m_width = 0;
2146
2147 m_attr = NULL;
2148 }
2149
2150 void wxListItem::Clear()
2151 {
2152 m_mask = 0;
2153 m_itemId = 0;
2154 m_col = 0;
2155 m_state = 0;
2156 m_stateMask = 0;
2157 m_image = 0;
2158 m_data = 0;
2159 m_format = wxLIST_FORMAT_CENTRE;
2160 m_width = 0;
2161 m_text = wxEmptyString;
2162
2163 if (m_attr) delete m_attr;
2164 m_attr = NULL;
2165 }
2166
2167 void wxListItem::ClearAttributes()
2168 {
2169 if (m_attr) delete m_attr;
2170 m_attr = NULL;
2171 }
2172
2173 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
2174 wxListItem& info,
2175 LV_ITEM& lvItem)
2176 {
2177 info.m_data = lvItem.lParam;
2178 info.m_mask = 0;
2179 info.m_state = 0;
2180 info.m_stateMask = 0;
2181 info.m_itemId = lvItem.iItem;
2182
2183 long oldMask = lvItem.mask;
2184
2185 bool needText = FALSE;
2186 if (hwndListCtrl != 0)
2187 {
2188 if ( lvItem.mask & LVIF_TEXT )
2189 needText = FALSE;
2190 else
2191 needText = TRUE;
2192
2193 if ( needText )
2194 {
2195 lvItem.pszText = new wxChar[513];
2196 lvItem.cchTextMax = 512;
2197 }
2198 lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
2199 ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem);
2200 }
2201
2202 if ( lvItem.mask & LVIF_STATE )
2203 {
2204 info.m_mask |= wxLIST_MASK_STATE;
2205
2206 if ( lvItem.stateMask & LVIS_CUT)
2207 {
2208 info.m_stateMask |= wxLIST_STATE_CUT;
2209 if ( lvItem.state & LVIS_CUT )
2210 info.m_state |= wxLIST_STATE_CUT;
2211 }
2212 if ( lvItem.stateMask & LVIS_DROPHILITED)
2213 {
2214 info.m_stateMask |= wxLIST_STATE_DROPHILITED;
2215 if ( lvItem.state & LVIS_DROPHILITED )
2216 info.m_state |= wxLIST_STATE_DROPHILITED;
2217 }
2218 if ( lvItem.stateMask & LVIS_FOCUSED)
2219 {
2220 info.m_stateMask |= wxLIST_STATE_FOCUSED;
2221 if ( lvItem.state & LVIS_FOCUSED )
2222 info.m_state |= wxLIST_STATE_FOCUSED;
2223 }
2224 if ( lvItem.stateMask & LVIS_SELECTED)
2225 {
2226 info.m_stateMask |= wxLIST_STATE_SELECTED;
2227 if ( lvItem.state & LVIS_SELECTED )
2228 info.m_state |= wxLIST_STATE_SELECTED;
2229 }
2230 }
2231
2232 if ( lvItem.mask & LVIF_TEXT )
2233 {
2234 info.m_mask |= wxLIST_MASK_TEXT;
2235 info.m_text = lvItem.pszText;
2236 }
2237 if ( lvItem.mask & LVIF_IMAGE )
2238 {
2239 info.m_mask |= wxLIST_MASK_IMAGE;
2240 info.m_image = lvItem.iImage;
2241 }
2242 if ( lvItem.mask & LVIF_PARAM )
2243 info.m_mask |= wxLIST_MASK_DATA;
2244 if ( lvItem.mask & LVIF_DI_SETITEM )
2245 info.m_mask |= wxLIST_SET_ITEM;
2246 info.m_col = lvItem.iSubItem;
2247
2248 if (needText)
2249 {
2250 if (lvItem.pszText)
2251 delete[] lvItem.pszText;
2252 }
2253 lvItem.mask = oldMask;
2254 }
2255
2256 static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem)
2257 {
2258 if (stateMask & wxLIST_STATE_CUT)
2259 {
2260 lvItem.stateMask |= LVIS_CUT;
2261 if (state & wxLIST_STATE_CUT)
2262 lvItem.state |= LVIS_CUT;
2263 }
2264 if (stateMask & wxLIST_STATE_DROPHILITED)
2265 {
2266 lvItem.stateMask |= LVIS_DROPHILITED;
2267 if (state & wxLIST_STATE_DROPHILITED)
2268 lvItem.state |= LVIS_DROPHILITED;
2269 }
2270 if (stateMask & wxLIST_STATE_FOCUSED)
2271 {
2272 lvItem.stateMask |= LVIS_FOCUSED;
2273 if (state & wxLIST_STATE_FOCUSED)
2274 lvItem.state |= LVIS_FOCUSED;
2275 }
2276 if (stateMask & wxLIST_STATE_SELECTED)
2277 {
2278 lvItem.stateMask |= LVIS_SELECTED;
2279 if (state & wxLIST_STATE_SELECTED)
2280 lvItem.state |= LVIS_SELECTED;
2281 }
2282 }
2283
2284 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
2285 const wxListItem& info,
2286 LV_ITEM& lvItem)
2287 {
2288 lvItem.iItem = (int) info.m_itemId;
2289
2290 lvItem.iImage = info.m_image;
2291 lvItem.lParam = info.m_data;
2292 lvItem.stateMask = 0;
2293 lvItem.state = 0;
2294 lvItem.mask = 0;
2295 lvItem.iSubItem = info.m_col;
2296
2297 if (info.m_mask & wxLIST_MASK_STATE)
2298 {
2299 lvItem.mask |= LVIF_STATE;
2300
2301 wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem);
2302 }
2303
2304 if (info.m_mask & wxLIST_MASK_TEXT)
2305 {
2306 lvItem.mask |= LVIF_TEXT;
2307 if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
2308 {
2309 lvItem.pszText = LPSTR_TEXTCALLBACK;
2310 }
2311 else
2312 {
2313 // pszText is not const, hence the cast
2314 lvItem.pszText = (wxChar *)info.m_text.c_str();
2315 if ( lvItem.pszText )
2316 lvItem.cchTextMax = info.m_text.Length();
2317 else
2318 lvItem.cchTextMax = 0;
2319 }
2320 }
2321 if (info.m_mask & wxLIST_MASK_IMAGE)
2322 lvItem.mask |= LVIF_IMAGE;
2323 if (info.m_mask & wxLIST_MASK_DATA)
2324 lvItem.mask |= LVIF_PARAM;
2325 }
2326
2327 static void wxConvertToMSWListCol(int col, const wxListItem& item,
2328 LV_COLUMN& lvCol)
2329 {
2330 wxZeroMemory(lvCol);
2331
2332 if ( item.m_mask & wxLIST_MASK_TEXT )
2333 {
2334 lvCol.mask |= LVCF_TEXT;
2335 lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
2336 }
2337
2338 if ( item.m_mask & wxLIST_MASK_FORMAT )
2339 {
2340 lvCol.mask |= LVCF_FMT;
2341
2342 if ( item.m_format == wxLIST_FORMAT_LEFT )
2343 lvCol.fmt = LVCFMT_LEFT;
2344 else if ( item.m_format == wxLIST_FORMAT_RIGHT )
2345 lvCol.fmt = LVCFMT_RIGHT;
2346 else if ( item.m_format == wxLIST_FORMAT_CENTRE )
2347 lvCol.fmt = LVCFMT_CENTER;
2348 }
2349
2350 if ( item.m_mask & wxLIST_MASK_WIDTH )
2351 {
2352 lvCol.mask |= LVCF_WIDTH;
2353 if ( item.m_width == wxLIST_AUTOSIZE)
2354 lvCol.cx = LVSCW_AUTOSIZE;
2355 else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
2356 lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
2357 else
2358 lvCol.cx = item.m_width;
2359 }
2360
2361 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
2362 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
2363 if ( item.m_mask & wxLIST_MASK_IMAGE )
2364 {
2365 if ( wxTheApp->GetComCtl32Version() >= 470 )
2366 {
2367 lvCol.mask |= LVCF_IMAGE;
2368 lvCol.iImage = item.m_image;
2369 }
2370 //else: it doesn't support item images anyhow
2371 }
2372 #endif
2373 }
2374
2375 // ----------------------------------------------------------------------------
2376 // List event
2377 // ----------------------------------------------------------------------------
2378
2379 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
2380
2381 wxListEvent::wxListEvent(wxEventType commandType, int id)
2382 : wxNotifyEvent(commandType, id)
2383 {
2384 m_code = 0;
2385 m_itemIndex = 0;
2386 m_oldItemIndex = 0;
2387 m_col = 0;
2388 m_cancelled = FALSE;
2389 }
2390
2391 #endif // wxUSE_LISTCTRL