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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_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 wxEventType eventType = wxEVT_NULL;
1490
1491 NMHDR *nmhdr = (NMHDR *)lParam;
1492
1493 // check for messages from the header (in report view)
1494 HWND hwndHdr = ListView_GetHeader(GetHwnd());
1495
1496 // is it a message from the header?
1497 if ( nmhdr->hwndFrom == hwndHdr )
1498 {
1499 NMHEADER *nmHDR = (NMHEADER *)nmhdr;
1500 event.m_itemIndex = -1;
1501
1502 switch ( nmhdr->code )
1503 {
1504 // yet another comctl32.dll bug: under NT/W2K it sends Unicode
1505 // TRACK messages even to ANSI programs: on my system I get
1506 // HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all!
1507 //
1508 // work around is to simply catch both versions and hope that it
1509 // works (why should this message exist in ANSI and Unicode is
1510 // beyond me as it doesn't deal with strings at all...)
1511 case HDN_BEGINTRACKA:
1512 case HDN_BEGINTRACKW:
1513 eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
1514 // fall through
1515
1516 case HDN_TRACKA:
1517 case HDN_TRACKW:
1518 if ( eventType == wxEVT_NULL )
1519 eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
1520 // fall through
1521
1522 case HDN_ENDTRACKA:
1523 case HDN_ENDTRACKW:
1524 if ( eventType == wxEVT_NULL )
1525 eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
1526 event.m_col = nmHDR->iItem;
1527 break;
1528
1529 case NM_RCLICK:
1530 {
1531 eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
1532 event.m_col = -1;
1533
1534 // find the column clicked: we have to search for it
1535 // ourselves as the notification message doesn't provide
1536 // this info
1537
1538 // where did the click occur?
1539 POINT ptClick;
1540 if ( !::GetCursorPos(&ptClick) )
1541 {
1542 wxLogLastError(_T("GetCursorPos"));
1543 }
1544
1545 if ( !::ScreenToClient(hwndHdr, &ptClick) )
1546 {
1547 wxLogLastError(_T("ScreenToClient(listctrl header)"));
1548 }
1549
1550 event.m_pointDrag.x = ptClick.x;
1551 event.m_pointDrag.y = ptClick.y;
1552
1553 int colCount = Header_GetItemCount(hwndHdr);
1554
1555 RECT rect;
1556 for ( int col = 0; col < colCount; col++ )
1557 {
1558 if ( Header_GetItemRect(hwndHdr, col, &rect) )
1559 {
1560 if ( ::PtInRect(&rect, ptClick) )
1561 {
1562 event.m_col = col;
1563 break;
1564 }
1565 }
1566 }
1567 }
1568 break;
1569
1570 default:
1571 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1572 }
1573 }
1574 else if ( nmhdr->hwndFrom == GetHwnd() )
1575 {
1576 // almost all messages use NM_LISTVIEW
1577 NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
1578
1579 // this is true for almost all events
1580 event.m_item.m_data = nmLV->lParam;
1581
1582 switch ( nmhdr->code )
1583 {
1584 case LVN_BEGINRDRAG:
1585 eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
1586 // fall through
1587
1588 case LVN_BEGINDRAG:
1589 if ( eventType == wxEVT_NULL )
1590 {
1591 eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
1592 }
1593
1594 event.m_itemIndex = nmLV->iItem;
1595 event.m_pointDrag.x = nmLV->ptAction.x;
1596 event.m_pointDrag.y = nmLV->ptAction.y;
1597 break;
1598
1599 case LVN_BEGINLABELEDIT:
1600 {
1601 eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
1602 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1603 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1604 event.m_itemIndex = event.m_item.m_itemId;
1605 }
1606 break;
1607
1608 case LVN_COLUMNCLICK:
1609 eventType = wxEVT_COMMAND_LIST_COL_CLICK;
1610 event.m_itemIndex = -1;
1611 event.m_col = nmLV->iSubItem;
1612 break;
1613
1614 case LVN_DELETEALLITEMS:
1615 eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
1616 event.m_itemIndex = -1;
1617
1618 FreeAllAttrs();
1619
1620 break;
1621
1622 case LVN_DELETEITEM:
1623 eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
1624 event.m_itemIndex = nmLV->iItem;
1625
1626 if ( m_hasAnyAttr )
1627 {
1628 delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
1629 }
1630 break;
1631
1632 case LVN_ENDLABELEDIT:
1633 {
1634 eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
1635 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1636 wxConvertFromMSWListItem(NULL, event.m_item, info->item);
1637 if ( info->item.pszText == NULL || info->item.iItem == -1 )
1638 return FALSE;
1639
1640 event.m_itemIndex = event.m_item.m_itemId;
1641 }
1642 break;
1643
1644 case LVN_SETDISPINFO:
1645 {
1646 eventType = wxEVT_COMMAND_LIST_SET_INFO;
1647 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1648 wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
1649 }
1650 break;
1651
1652 case LVN_INSERTITEM:
1653 eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
1654 event.m_itemIndex = nmLV->iItem;
1655 break;
1656
1657 case LVN_ITEMCHANGED:
1658 // This needs to be sent to wxListCtrl as a rather more concrete
1659 // event. For now, just detect a selection or deselection.
1660 if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) )
1661 {
1662 eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
1663 event.m_itemIndex = nmLV->iItem;
1664 }
1665 else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
1666 {
1667 eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
1668 event.m_itemIndex = nmLV->iItem;
1669 }
1670 else
1671 {
1672 return FALSE;
1673 }
1674 break;
1675
1676 case LVN_KEYDOWN:
1677 {
1678 LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
1679 WORD wVKey = info->wVKey;
1680
1681 // get the current selection
1682 long lItem = GetNextItem(-1,
1683 wxLIST_NEXT_ALL,
1684 wxLIST_STATE_SELECTED);
1685
1686 // <Enter> or <Space> activate the selected item if any (but
1687 // not with Shift and/or Ctrl as then they have a predefined
1688 // meaning for the list view)
1689 if ( lItem != -1 &&
1690 (wVKey == VK_RETURN || wVKey == VK_SPACE) &&
1691 !(wxIsShiftDown() || wxIsCtrlDown()) )
1692 {
1693 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1694 }
1695 else
1696 {
1697 eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
1698
1699 // wxCharCodeMSWToWX() returns 0 if the key is an ASCII
1700 // value which should be used as is
1701 int code = wxCharCodeMSWToWX(wVKey);
1702 event.m_code = code ? code : wVKey;
1703 }
1704
1705 event.m_itemIndex =
1706 event.m_item.m_itemId = lItem;
1707
1708 if ( lItem != -1 )
1709 {
1710 // fill the other fields too
1711 event.m_item.m_text = GetItemText(lItem);
1712 event.m_item.m_data = GetItemData(lItem);
1713 }
1714 }
1715 break;
1716
1717 case NM_DBLCLK:
1718 // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
1719 // anything else
1720 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1721 {
1722 return TRUE;
1723 }
1724
1725 // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
1726 // if it happened on an item (and not on empty place)
1727 if ( nmLV->iItem == -1 )
1728 {
1729 // not on item
1730 return FALSE;
1731 }
1732
1733 eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
1734 event.m_itemIndex = nmLV->iItem;
1735 event.m_item.m_text = GetItemText(nmLV->iItem);
1736 event.m_item.m_data = GetItemData(nmLV->iItem);
1737 break;
1738
1739 case NM_RCLICK:
1740 // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
1741 // don't do anything else
1742 if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
1743 {
1744 return TRUE;
1745 }
1746
1747 // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event
1748 LV_HITTESTINFO lvhti;
1749 wxZeroMemory(lvhti);
1750
1751 ::GetCursorPos(&(lvhti.pt));
1752 ::ScreenToClient(GetHwnd(),&(lvhti.pt));
1753 if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 )
1754 {
1755 if ( lvhti.flags & LVHT_ONITEM )
1756 {
1757 eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK;
1758 event.m_itemIndex = lvhti.iItem;
1759 event.m_pointDrag.x = lvhti.pt.x;
1760 event.m_pointDrag.y = lvhti.pt.y;
1761 }
1762 }
1763 break;
1764
1765 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1766 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
1767 case NM_CUSTOMDRAW:
1768 *result = OnCustomDraw(lParam);
1769
1770 return TRUE;
1771 #endif // _WIN32_IE >= 0x300
1772
1773 case LVN_ODCACHEHINT:
1774 {
1775 const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
1776
1777 eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
1778
1779 // we get some really stupid cache hints like ones for items in
1780 // range 0..0 for an empty control or, after deleting an item,
1781 // for items in invalid range - filter this garbage out
1782 if ( cacheHint->iFrom < cacheHint->iTo )
1783 {
1784 event.m_oldItemIndex = cacheHint->iFrom;
1785
1786 long iMax = GetItemCount();
1787 event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
1788 : iMax - 1;
1789 }
1790 else
1791 {
1792 return FALSE;
1793 }
1794 }
1795 break;
1796
1797 case LVN_GETDISPINFO:
1798 if ( IsVirtual() )
1799 {
1800 LV_DISPINFO *info = (LV_DISPINFO *)lParam;
1801
1802 LV_ITEM& lvi = info->item;
1803 long item = lvi.iItem;
1804
1805 if ( lvi.mask & LVIF_TEXT )
1806 {
1807 wxString text = OnGetItemText(item, lvi.iSubItem);
1808 wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
1809 }
1810
1811 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
1812 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
1813 if ( lvi.mask & LVIF_IMAGE )
1814 {
1815 lvi.iImage = OnGetItemImage(item);
1816 }
1817 #endif
1818
1819 // a little dose of healthy paranoia: as we never use
1820 // LVM_SETCALLBACKMASK we're not supposed to get these ones
1821 wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
1822 _T("we don't support state callbacks yet!") );
1823
1824 return TRUE;
1825 }
1826 // fall through
1827
1828 default:
1829 return wxControl::MSWOnNotify(idCtrl, lParam, result);
1830 }
1831 }
1832 else
1833 {
1834 // where did this one come from?
1835 return FALSE;
1836 }
1837
1838 // process the event
1839 // -----------------
1840
1841 event.SetEventObject( this );
1842 event.SetEventType(eventType);
1843
1844 if ( !GetEventHandler()->ProcessEvent(event) )
1845 return FALSE;
1846
1847 // post processing
1848 // ---------------
1849
1850 switch ( nmhdr->code )
1851 {
1852 case LVN_DELETEALLITEMS:
1853 // always return TRUE to suppress all additional LVN_DELETEITEM
1854 // notifications - this makes deleting all items from a list ctrl
1855 // much faster
1856 *result = TRUE;
1857
1858 return TRUE;
1859
1860 case LVN_ENDLABELEDIT:
1861 // logic here is inversed compared to all the other messages
1862 *result = event.IsAllowed();
1863
1864 return TRUE;
1865 }
1866
1867 *result = !event.IsAllowed();
1868
1869 return TRUE;
1870 }
1871
1872 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300
1873
1874 WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam)
1875 {
1876 LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam;
1877 NMCUSTOMDRAW& nmcd = lplvcd->nmcd;
1878 switch ( nmcd.dwDrawStage )
1879 {
1880 case CDDS_PREPAINT:
1881 // if we've got any items with non standard attributes,
1882 // notify us before painting each item
1883 //
1884 // for virtual controls, always suppose that we have attributes as
1885 // there is no way to check for this
1886 return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW
1887 : CDRF_DODEFAULT;
1888
1889 case CDDS_ITEMPREPAINT:
1890 {
1891 size_t item = (size_t)nmcd.dwItemSpec;
1892 if ( item >= (size_t)GetItemCount() )
1893 {
1894 // we get this message with item == 0 for an empty control,
1895 // we must ignore it as calling OnGetItemAttr() would be
1896 // wrong
1897 return CDRF_DODEFAULT;
1898 }
1899
1900 wxListItemAttr *attr =
1901 IsVirtual() ? OnGetItemAttr(item)
1902 : (wxListItemAttr *)m_attrs.Get(item);
1903
1904 if ( !attr )
1905 {
1906 // nothing to do for this item
1907 return CDRF_DODEFAULT;
1908 }
1909
1910 HFONT hFont;
1911 wxColour colText, colBack;
1912 if ( attr->HasFont() )
1913 {
1914 wxFont font = attr->GetFont();
1915 hFont = (HFONT)font.GetResourceHandle();
1916 }
1917 else
1918 {
1919 hFont = 0;
1920 }
1921
1922 if ( attr->HasTextColour() )
1923 {
1924 colText = attr->GetTextColour();
1925 }
1926 else
1927 {
1928 colText = GetTextColour();
1929 }
1930
1931 if ( attr->HasBackgroundColour() )
1932 {
1933 colBack = attr->GetBackgroundColour();
1934 }
1935 else
1936 {
1937 colBack = GetBackgroundColour();
1938 }
1939
1940 lplvcd->clrText = wxColourToRGB(colText);
1941 lplvcd->clrTextBk = wxColourToRGB(colBack);
1942
1943 // note that if we wanted to set colours for
1944 // individual columns (subitems), we would have
1945 // returned CDRF_NOTIFYSUBITEMREDRAW from here
1946 if ( hFont )
1947 {
1948 ::SelectObject(nmcd.hdc, hFont);
1949
1950 return CDRF_NEWFONT;
1951 }
1952 }
1953 // fall through to return CDRF_DODEFAULT
1954
1955 default:
1956 return CDRF_DODEFAULT;
1957 }
1958 }
1959
1960 #endif // NM_CUSTOMDRAW supported
1961
1962 // Necessary for drawing hrules and vrules, if specified
1963 void wxListCtrl::OnPaint(wxPaintEvent& event)
1964 {
1965 wxPaintDC dc(this);
1966
1967 wxControl::OnPaint(event);
1968
1969 // Reset the device origin since it may have been set
1970 dc.SetDeviceOrigin(0, 0);
1971
1972 bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0);
1973 bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0);
1974
1975 if (!drawHRules && !drawVRules)
1976 return;
1977 if ((GetWindowStyle() & wxLC_REPORT) == 0)
1978 return;
1979
1980 wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
1981 dc.SetPen(pen);
1982 dc.SetBrush(* wxTRANSPARENT_BRUSH);
1983
1984 wxSize clientSize = GetClientSize();
1985 wxRect itemRect;
1986 int cy=0;
1987
1988 int itemCount = GetItemCount();
1989 int i;
1990 if (drawHRules)
1991 {
1992 long top = GetTopItem();
1993 for (i = top; i < top + GetCountPerPage() + 1; i++)
1994 {
1995 if (GetItemRect(i, itemRect))
1996 {
1997 cy = itemRect.GetTop();
1998 if (i != 0) // Don't draw the first one
1999 {
2000 dc.DrawLine(0, cy, clientSize.x, cy);
2001 }
2002 // Draw last line
2003 if (i == itemCount - 1)
2004 {
2005 cy = itemRect.GetBottom();
2006 dc.DrawLine(0, cy, clientSize.x, cy);
2007 }
2008 }
2009 }
2010 }
2011 i = itemCount - 1;
2012 if (drawVRules && (i > -1))
2013 {
2014 wxRect firstItemRect;
2015 GetItemRect(0, firstItemRect);
2016
2017 if (GetItemRect(i, itemRect))
2018 {
2019 int col;
2020 int x = itemRect.GetX();
2021 for (col = 0; col < GetColumnCount(); col++)
2022 {
2023 int colWidth = GetColumnWidth(col);
2024 x += colWidth ;
2025 dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom());
2026 }
2027 }
2028 }
2029 }
2030
2031 // ----------------------------------------------------------------------------
2032 // virtual list controls
2033 // ----------------------------------------------------------------------------
2034
2035 wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const
2036 {
2037 // this is a pure virtual function, in fact - which is not really pure
2038 // because the controls which are not virtual don't need to implement it
2039 wxFAIL_MSG( _T("not supposed to be called") );
2040
2041 return wxEmptyString;
2042 }
2043
2044 int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const
2045 {
2046 // same as above
2047 wxFAIL_MSG( _T("not supposed to be called") );
2048
2049 return -1;
2050 }
2051
2052 wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const
2053 {
2054 wxASSERT_MSG( item >= 0 && item < GetItemCount(),
2055 _T("invalid item index in OnGetItemAttr()") );
2056
2057 // no attributes by default
2058 return NULL;
2059 }
2060
2061 void wxListCtrl::SetItemCount(long count)
2062 {
2063 wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") );
2064
2065 if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) )
2066 {
2067 wxLogLastError(_T("ListView_SetItemCount"));
2068 }
2069 }
2070
2071 void wxListCtrl::RefreshItem(long item)
2072 {
2073 if ( !ListView_Update(GetHwnd(), item) )
2074 {
2075 wxLogLastError(_T("ListView_Update"));
2076 }
2077 }
2078
2079 void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
2080 {
2081 wxRect rect1, rect2;
2082 GetItemRect(itemFrom, rect1);
2083 GetItemRect(itemTo, rect2);
2084
2085 wxRect rect = rect1;
2086 rect.height = rect2.GetBottom() - rect1.GetTop();
2087
2088 RefreshRect(rect);
2089 }
2090
2091 // ----------------------------------------------------------------------------
2092 // wxListItem
2093 // ----------------------------------------------------------------------------
2094
2095 // List item structure
2096 wxListItem::wxListItem()
2097 {
2098 m_mask = 0;
2099 m_itemId = 0;
2100 m_col = 0;
2101 m_state = 0;
2102 m_stateMask = 0;
2103 m_image = 0;
2104 m_data = 0;
2105
2106 m_format = wxLIST_FORMAT_CENTRE;
2107 m_width = 0;
2108
2109 m_attr = NULL;
2110 }
2111
2112 void wxListItem::Clear()
2113 {
2114 m_mask = 0;
2115 m_itemId = 0;
2116 m_col = 0;
2117 m_state = 0;
2118 m_stateMask = 0;
2119 m_image = 0;
2120 m_data = 0;
2121 m_format = wxLIST_FORMAT_CENTRE;
2122 m_width = 0;
2123 m_text = wxEmptyString;
2124
2125 if (m_attr) delete m_attr;
2126 m_attr = NULL;
2127 }
2128
2129 void wxListItem::ClearAttributes()
2130 {
2131 if (m_attr) delete m_attr;
2132 m_attr = NULL;
2133 }
2134
2135 static void wxConvertFromMSWListItem(HWND hwndListCtrl,
2136 wxListItem& info,
2137 LV_ITEM& lvItem)
2138 {
2139 info.m_data = lvItem.lParam;
2140 info.m_mask = 0;
2141 info.m_state = 0;
2142 info.m_stateMask = 0;
2143 info.m_itemId = lvItem.iItem;
2144
2145 long oldMask = lvItem.mask;
2146
2147 bool needText = FALSE;
2148 if (hwndListCtrl != 0)
2149 {
2150 if ( lvItem.mask & LVIF_TEXT )
2151 needText = FALSE;
2152 else
2153 needText = TRUE;
2154
2155 if ( needText )
2156 {
2157 lvItem.pszText = new wxChar[513];
2158 lvItem.cchTextMax = 512;
2159 }
2160 lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM;
2161 ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem);
2162 }
2163
2164 if ( lvItem.mask & LVIF_STATE )
2165 {
2166 info.m_mask |= wxLIST_MASK_STATE;
2167
2168 if ( lvItem.stateMask & LVIS_CUT)
2169 {
2170 info.m_stateMask |= wxLIST_STATE_CUT;
2171 if ( lvItem.state & LVIS_CUT )
2172 info.m_state |= wxLIST_STATE_CUT;
2173 }
2174 if ( lvItem.stateMask & LVIS_DROPHILITED)
2175 {
2176 info.m_stateMask |= wxLIST_STATE_DROPHILITED;
2177 if ( lvItem.state & LVIS_DROPHILITED )
2178 info.m_state |= wxLIST_STATE_DROPHILITED;
2179 }
2180 if ( lvItem.stateMask & LVIS_FOCUSED)
2181 {
2182 info.m_stateMask |= wxLIST_STATE_FOCUSED;
2183 if ( lvItem.state & LVIS_FOCUSED )
2184 info.m_state |= wxLIST_STATE_FOCUSED;
2185 }
2186 if ( lvItem.stateMask & LVIS_SELECTED)
2187 {
2188 info.m_stateMask |= wxLIST_STATE_SELECTED;
2189 if ( lvItem.state & LVIS_SELECTED )
2190 info.m_state |= wxLIST_STATE_SELECTED;
2191 }
2192 }
2193
2194 if ( lvItem.mask & LVIF_TEXT )
2195 {
2196 info.m_mask |= wxLIST_MASK_TEXT;
2197 info.m_text = lvItem.pszText;
2198 }
2199 if ( lvItem.mask & LVIF_IMAGE )
2200 {
2201 info.m_mask |= wxLIST_MASK_IMAGE;
2202 info.m_image = lvItem.iImage;
2203 }
2204 if ( lvItem.mask & LVIF_PARAM )
2205 info.m_mask |= wxLIST_MASK_DATA;
2206 if ( lvItem.mask & LVIF_DI_SETITEM )
2207 info.m_mask |= wxLIST_SET_ITEM;
2208 info.m_col = lvItem.iSubItem;
2209
2210 if (needText)
2211 {
2212 if (lvItem.pszText)
2213 delete[] lvItem.pszText;
2214 }
2215 lvItem.mask = oldMask;
2216 }
2217
2218 static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem)
2219 {
2220 if (stateMask & wxLIST_STATE_CUT)
2221 {
2222 lvItem.stateMask |= LVIS_CUT;
2223 if (state & wxLIST_STATE_CUT)
2224 lvItem.state |= LVIS_CUT;
2225 }
2226 if (stateMask & wxLIST_STATE_DROPHILITED)
2227 {
2228 lvItem.stateMask |= LVIS_DROPHILITED;
2229 if (state & wxLIST_STATE_DROPHILITED)
2230 lvItem.state |= LVIS_DROPHILITED;
2231 }
2232 if (stateMask & wxLIST_STATE_FOCUSED)
2233 {
2234 lvItem.stateMask |= LVIS_FOCUSED;
2235 if (state & wxLIST_STATE_FOCUSED)
2236 lvItem.state |= LVIS_FOCUSED;
2237 }
2238 if (stateMask & wxLIST_STATE_SELECTED)
2239 {
2240 lvItem.stateMask |= LVIS_SELECTED;
2241 if (state & wxLIST_STATE_SELECTED)
2242 lvItem.state |= LVIS_SELECTED;
2243 }
2244 }
2245
2246 static void wxConvertToMSWListItem(const wxListCtrl *ctrl,
2247 const wxListItem& info,
2248 LV_ITEM& lvItem)
2249 {
2250 lvItem.iItem = (int) info.m_itemId;
2251
2252 lvItem.iImage = info.m_image;
2253 lvItem.lParam = info.m_data;
2254 lvItem.stateMask = 0;
2255 lvItem.state = 0;
2256 lvItem.mask = 0;
2257 lvItem.iSubItem = info.m_col;
2258
2259 if (info.m_mask & wxLIST_MASK_STATE)
2260 {
2261 lvItem.mask |= LVIF_STATE;
2262
2263 wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem);
2264 }
2265
2266 if (info.m_mask & wxLIST_MASK_TEXT)
2267 {
2268 lvItem.mask |= LVIF_TEXT;
2269 if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT )
2270 {
2271 lvItem.pszText = LPSTR_TEXTCALLBACK;
2272 }
2273 else
2274 {
2275 // pszText is not const, hence the cast
2276 lvItem.pszText = (wxChar *)info.m_text.c_str();
2277 if ( lvItem.pszText )
2278 lvItem.cchTextMax = info.m_text.Length();
2279 else
2280 lvItem.cchTextMax = 0;
2281 }
2282 }
2283 if (info.m_mask & wxLIST_MASK_IMAGE)
2284 lvItem.mask |= LVIF_IMAGE;
2285 if (info.m_mask & wxLIST_MASK_DATA)
2286 lvItem.mask |= LVIF_PARAM;
2287 }
2288
2289 static void wxConvertToMSWListCol(int col, const wxListItem& item,
2290 LV_COLUMN& lvCol)
2291 {
2292 wxZeroMemory(lvCol);
2293
2294 if ( item.m_mask & wxLIST_MASK_TEXT )
2295 {
2296 lvCol.mask |= LVCF_TEXT;
2297 lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
2298 }
2299
2300 if ( item.m_mask & wxLIST_MASK_FORMAT )
2301 {
2302 lvCol.mask |= LVCF_FMT;
2303
2304 if ( item.m_format == wxLIST_FORMAT_LEFT )
2305 lvCol.fmt = LVCFMT_LEFT;
2306 else if ( item.m_format == wxLIST_FORMAT_RIGHT )
2307 lvCol.fmt = LVCFMT_RIGHT;
2308 else if ( item.m_format == wxLIST_FORMAT_CENTRE )
2309 lvCol.fmt = LVCFMT_CENTER;
2310 }
2311
2312 if ( item.m_mask & wxLIST_MASK_WIDTH )
2313 {
2314 lvCol.mask |= LVCF_WIDTH;
2315 if ( item.m_width == wxLIST_AUTOSIZE)
2316 lvCol.cx = LVSCW_AUTOSIZE;
2317 else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
2318 lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
2319 else
2320 lvCol.cx = item.m_width;
2321 }
2322
2323 #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
2324 && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
2325 if ( item.m_mask & wxLIST_MASK_IMAGE )
2326 {
2327 if ( wxTheApp->GetComCtl32Version() >= 470 )
2328 {
2329 lvCol.mask |= LVCF_IMAGE;
2330 lvCol.iImage = item.m_image;
2331 }
2332 //else: it doesn't support item images anyhow
2333 }
2334 #endif
2335 }
2336
2337 // ----------------------------------------------------------------------------
2338 // List event
2339 // ----------------------------------------------------------------------------
2340
2341 IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
2342
2343 wxListEvent::wxListEvent(wxEventType commandType, int id)
2344 : wxNotifyEvent(commandType, id)
2345 {
2346 m_code = 0;
2347 m_itemIndex = 0;
2348 m_oldItemIndex = 0;
2349 m_col = 0;
2350 m_cancelled = FALSE;
2351 }
2352
2353 #endif // wxUSE_LISTCTRL
wxWidgets (Impactor)