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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 | // ---------------------------------------------------------------------------- | |
88 | // private functions | |
89 | // ---------------------------------------------------------------------------- | |
90 | ||
91 | // convert our state and mask flags to LV_ITEM constants | |
92 | static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem); | |
93 | ||
94 | // convert wxListItem to LV_ITEM | |
95 | static void wxConvertToMSWListItem(const wxListCtrl *ctrl, | |
96 | const wxListItem& info, LV_ITEM& lvItem); | |
97 | ||
98 | // convert LV_ITEM to wxListItem | |
99 | static void wxConvertFromMSWListItem(HWND hwndListCtrl, | |
100 | wxListItem& info, | |
101 | /* const */ LV_ITEM& lvItem); | |
102 | ||
103 | // ---------------------------------------------------------------------------- | |
104 | // events | |
105 | // ---------------------------------------------------------------------------- | |
106 | ||
107 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG) | |
108 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG) | |
109 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT) | |
110 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT) | |
111 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM) | |
112 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS) | |
113 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO) | |
114 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO) | |
115 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED) | |
116 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED) | |
117 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN) | |
118 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM) | |
119 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK) | |
120 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK) | |
121 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK) | |
122 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED) | |
123 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT) | |
124 | ||
125 | IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) | |
126 | IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl) | |
127 | IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) | |
128 | ||
129 | BEGIN_EVENT_TABLE(wxListCtrl, wxControl) | |
130 | EVT_PAINT(wxListCtrl::OnPaint) | |
131 | END_EVENT_TABLE() | |
132 | ||
133 | // ============================================================================ | |
134 | // implementation | |
135 | // ============================================================================ | |
136 | ||
137 | // ---------------------------------------------------------------------------- | |
138 | // wxListEvent | |
139 | // ---------------------------------------------------------------------------- | |
140 | ||
141 | void wxListEvent::CopyObject(wxObject& object_dest) const | |
142 | { | |
143 | wxListEvent *obj = (wxListEvent *)&object_dest; | |
144 | ||
145 | wxNotifyEvent::CopyObject(object_dest); | |
146 | ||
147 | obj->m_code = m_code; | |
148 | obj->m_itemIndex = m_itemIndex; | |
149 | obj->m_oldItemIndex = m_oldItemIndex; | |
150 | obj->m_col = m_col; | |
151 | obj->m_cancelled = m_cancelled; | |
152 | obj->m_pointDrag = m_pointDrag; | |
153 | obj->m_item.m_mask = m_item.m_mask; | |
154 | obj->m_item.m_itemId = m_item.m_itemId; | |
155 | obj->m_item.m_col = m_item.m_col; | |
156 | obj->m_item.m_state = m_item.m_state; | |
157 | obj->m_item.m_stateMask = m_item.m_stateMask; | |
158 | obj->m_item.m_text = m_item.m_text; | |
159 | obj->m_item.m_image = m_item.m_image; | |
160 | obj->m_item.m_data = m_item.m_data; | |
161 | obj->m_item.m_format = m_item.m_format; | |
162 | obj->m_item.m_width = m_item.m_width; | |
163 | ||
164 | if ( m_item.HasAttributes() ) | |
165 | { | |
166 | obj->m_item.SetTextColour(m_item.GetTextColour()); | |
167 | obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour()); | |
168 | obj->m_item.SetFont(m_item.GetFont()); | |
169 | } | |
170 | } | |
171 | ||
172 | // ---------------------------------------------------------------------------- | |
173 | // wxListCtrl construction | |
174 | // ---------------------------------------------------------------------------- | |
175 | ||
176 | void wxListCtrl::Init() | |
177 | { | |
178 | m_imageListNormal = NULL; | |
179 | m_imageListSmall = NULL; | |
180 | m_imageListState = NULL; | |
181 | m_ownsImageListNormal = m_ownsImageListSmall = m_ownsImageListState = FALSE; | |
182 | m_baseStyle = 0; | |
183 | m_colCount = 0; | |
184 | m_textCtrl = NULL; | |
185 | m_hasAnyAttr = FALSE; | |
186 | } | |
187 | ||
188 | bool wxListCtrl::Create(wxWindow *parent, | |
189 | wxWindowID id, | |
190 | const wxPoint& pos, | |
191 | const wxSize& size, | |
192 | long style, | |
193 | const wxValidator& validator, | |
194 | const wxString& name) | |
195 | { | |
196 | #if wxUSE_VALIDATORS | |
197 | SetValidator(validator); | |
198 | #endif // wxUSE_VALIDATORS | |
199 | ||
200 | SetName(name); | |
201 | ||
202 | int x = pos.x; | |
203 | int y = pos.y; | |
204 | int width = size.x; | |
205 | int height = size.y; | |
206 | ||
207 | m_windowStyle = style; | |
208 | ||
209 | SetParent(parent); | |
210 | ||
211 | if (width <= 0) | |
212 | width = 100; | |
213 | if (height <= 0) | |
214 | height = 30; | |
215 | if (x < 0) | |
216 | x = 0; | |
217 | if (y < 0) | |
218 | y = 0; | |
219 | ||
220 | m_windowId = (id == -1) ? NewControlId() : id; | |
221 | ||
222 | DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | | |
223 | LVS_SHAREIMAGELISTS | LVS_SHOWSELALWAYS; | |
224 | ||
225 | if ( m_windowStyle & wxCLIP_SIBLINGS ) | |
226 | wstyle |= WS_CLIPSIBLINGS; | |
227 | ||
228 | if ( wxStyleHasBorder(m_windowStyle) ) | |
229 | wstyle |= WS_BORDER; | |
230 | m_baseStyle = wstyle; | |
231 | ||
232 | if ( !DoCreateControl(x, y, width, height) ) | |
233 | return FALSE; | |
234 | ||
235 | if (parent) | |
236 | parent->AddChild(this); | |
237 | ||
238 | return TRUE; | |
239 | } | |
240 | ||
241 | bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) | |
242 | { | |
243 | DWORD wstyle = m_baseStyle; | |
244 | ||
245 | bool want3D; | |
246 | WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); | |
247 | ||
248 | // Even with extended styles, need to combine with WS_BORDER | |
249 | // for them to look right. | |
250 | if ( want3D ) | |
251 | wstyle |= WS_BORDER; | |
252 | ||
253 | long oldStyle = 0; // Dummy | |
254 | wstyle |= ConvertToMSWStyle(oldStyle, m_windowStyle); | |
255 | ||
256 | // Create the ListView control. | |
257 | m_hWnd = (WXHWND)CreateWindowEx(exStyle, | |
258 | WC_LISTVIEW, | |
259 | wxT(""), | |
260 | wstyle, | |
261 | x, y, w, h, | |
262 | GetWinHwnd(GetParent()), | |
263 | (HMENU)m_windowId, | |
264 | wxGetInstance(), | |
265 | NULL); | |
266 | ||
267 | if ( !m_hWnd ) | |
268 | { | |
269 | wxLogError(_("Can't create list control window, check that comctl32.dll is installed.")); | |
270 | ||
271 | return FALSE; | |
272 | } | |
273 | ||
274 | // for comctl32.dll v 4.70+ we want to have this attribute because it's | |
275 | // prettier (and also because wxGTK does it like this) | |
276 | if ( (wstyle & LVS_REPORT) && wxTheApp->GetComCtl32Version() >= 470 ) | |
277 | { | |
278 | ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, | |
279 | 0, LVS_EX_FULLROWSELECT); | |
280 | } | |
281 | ||
282 | SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); | |
283 | SetForegroundColour(GetParent()->GetForegroundColour()); | |
284 | ||
285 | SubclassWin(m_hWnd); | |
286 | ||
287 | return TRUE; | |
288 | } | |
289 | ||
290 | void wxListCtrl::UpdateStyle() | |
291 | { | |
292 | if ( GetHWND() ) | |
293 | { | |
294 | // The new window view style | |
295 | long dummy; | |
296 | DWORD dwStyleNew = ConvertToMSWStyle(dummy, m_windowStyle); | |
297 | dwStyleNew |= m_baseStyle; | |
298 | ||
299 | // Get the current window style. | |
300 | DWORD dwStyleOld = ::GetWindowLong(GetHwnd(), GWL_STYLE); | |
301 | ||
302 | // Only set the window style if the view bits have changed. | |
303 | if ( dwStyleOld != dwStyleNew ) | |
304 | { | |
305 | ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew); | |
306 | } | |
307 | } | |
308 | } | |
309 | ||
310 | void wxListCtrl::FreeAllAttrs(bool dontRecreate) | |
311 | { | |
312 | if ( m_hasAnyAttr ) | |
313 | { | |
314 | for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) | |
315 | { | |
316 | delete (wxListItemAttr *)node->Data(); | |
317 | } | |
318 | ||
319 | m_attrs.Destroy(); | |
320 | if ( !dontRecreate ) | |
321 | { | |
322 | m_attrs.Create(wxKEY_INTEGER, 1000); // just as def ctor | |
323 | } | |
324 | ||
325 | m_hasAnyAttr = FALSE; | |
326 | } | |
327 | } | |
328 | ||
329 | wxListCtrl::~wxListCtrl() | |
330 | { | |
331 | FreeAllAttrs(TRUE /* no need to recreate hash any more */); | |
332 | ||
333 | if ( m_textCtrl ) | |
334 | { | |
335 | m_textCtrl->SetHWND(0); | |
336 | m_textCtrl->UnsubclassWin(); | |
337 | delete m_textCtrl; | |
338 | m_textCtrl = NULL; | |
339 | } | |
340 | ||
341 | if (m_ownsImageListNormal) delete m_imageListNormal; | |
342 | if (m_ownsImageListSmall) delete m_imageListSmall; | |
343 | if (m_ownsImageListState) delete m_imageListState; | |
344 | } | |
345 | ||
346 | // ---------------------------------------------------------------------------- | |
347 | // set/get/change style | |
348 | // ---------------------------------------------------------------------------- | |
349 | ||
350 | // Add or remove a single window style | |
351 | void wxListCtrl::SetSingleStyle(long style, bool add) | |
352 | { | |
353 | long flag = GetWindowStyleFlag(); | |
354 | ||
355 | // Get rid of conflicting styles | |
356 | if ( add ) | |
357 | { | |
358 | if ( style & wxLC_MASK_TYPE) | |
359 | flag = flag & ~wxLC_MASK_TYPE; | |
360 | if ( style & wxLC_MASK_ALIGN ) | |
361 | flag = flag & ~wxLC_MASK_ALIGN; | |
362 | if ( style & wxLC_MASK_SORT ) | |
363 | flag = flag & ~wxLC_MASK_SORT; | |
364 | } | |
365 | ||
366 | if ( flag & style ) | |
367 | { | |
368 | if ( !add ) | |
369 | flag -= style; | |
370 | } | |
371 | else | |
372 | { | |
373 | if ( add ) | |
374 | { | |
375 | flag |= style; | |
376 | } | |
377 | } | |
378 | ||
379 | m_windowStyle = flag; | |
380 | ||
381 | UpdateStyle(); | |
382 | } | |
383 | ||
384 | // Set the whole window style | |
385 | void wxListCtrl::SetWindowStyleFlag(long flag) | |
386 | { | |
387 | m_windowStyle = flag; | |
388 | ||
389 | UpdateStyle(); | |
390 | } | |
391 | ||
392 | // Can be just a single style, or a bitlist | |
393 | long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const | |
394 | { | |
395 | long wstyle = 0; | |
396 | if ( style & wxLC_ICON ) | |
397 | { | |
398 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) | |
399 | oldStyle -= LVS_SMALLICON; | |
400 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) | |
401 | oldStyle -= LVS_REPORT; | |
402 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) | |
403 | oldStyle -= LVS_LIST; | |
404 | wstyle |= LVS_ICON; | |
405 | } | |
406 | ||
407 | if ( style & wxLC_SMALL_ICON ) | |
408 | { | |
409 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) | |
410 | oldStyle -= LVS_ICON; | |
411 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) | |
412 | oldStyle -= LVS_REPORT; | |
413 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) | |
414 | oldStyle -= LVS_LIST; | |
415 | wstyle |= LVS_SMALLICON; | |
416 | } | |
417 | ||
418 | if ( style & wxLC_LIST ) | |
419 | { | |
420 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) | |
421 | oldStyle -= LVS_ICON; | |
422 | if ( (oldStyle & LVS_TYPEMASK) == LVS_REPORT ) | |
423 | oldStyle -= LVS_REPORT; | |
424 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) | |
425 | oldStyle -= LVS_SMALLICON; | |
426 | wstyle |= LVS_LIST; | |
427 | } | |
428 | ||
429 | if ( style & wxLC_REPORT ) | |
430 | { | |
431 | if ( (oldStyle & LVS_TYPEMASK) == LVS_ICON ) | |
432 | oldStyle -= LVS_ICON; | |
433 | if ( (oldStyle & LVS_TYPEMASK) == LVS_LIST ) | |
434 | oldStyle -= LVS_LIST; | |
435 | if ( (oldStyle & LVS_TYPEMASK) == LVS_SMALLICON ) | |
436 | oldStyle -= LVS_SMALLICON; | |
437 | ||
438 | wstyle |= LVS_REPORT; | |
439 | } | |
440 | ||
441 | if ( style & wxLC_ALIGN_LEFT ) | |
442 | { | |
443 | if ( oldStyle & LVS_ALIGNTOP ) | |
444 | oldStyle -= LVS_ALIGNTOP; | |
445 | wstyle |= LVS_ALIGNLEFT; | |
446 | } | |
447 | ||
448 | if ( style & wxLC_ALIGN_TOP ) | |
449 | { | |
450 | if ( oldStyle & LVS_ALIGNLEFT ) | |
451 | oldStyle -= LVS_ALIGNLEFT; | |
452 | wstyle |= LVS_ALIGNTOP; | |
453 | } | |
454 | ||
455 | if ( style & wxLC_AUTOARRANGE ) | |
456 | wstyle |= LVS_AUTOARRANGE; | |
457 | ||
458 | if ( style & wxLC_NO_SORT_HEADER ) | |
459 | wstyle |= LVS_NOSORTHEADER; | |
460 | ||
461 | if ( style & wxLC_NO_HEADER ) | |
462 | wstyle |= LVS_NOCOLUMNHEADER; | |
463 | ||
464 | if ( style & wxLC_EDIT_LABELS ) | |
465 | wstyle |= LVS_EDITLABELS; | |
466 | ||
467 | if ( style & wxLC_SINGLE_SEL ) | |
468 | wstyle |= LVS_SINGLESEL; | |
469 | ||
470 | if ( style & wxLC_SORT_ASCENDING ) | |
471 | { | |
472 | if ( oldStyle & LVS_SORTDESCENDING ) | |
473 | oldStyle -= LVS_SORTDESCENDING; | |
474 | wstyle |= LVS_SORTASCENDING; | |
475 | } | |
476 | ||
477 | if ( style & wxLC_SORT_DESCENDING ) | |
478 | { | |
479 | if ( oldStyle & LVS_SORTASCENDING ) | |
480 | oldStyle -= LVS_SORTASCENDING; | |
481 | wstyle |= LVS_SORTDESCENDING; | |
482 | } | |
483 | ||
484 | #if !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) | |
485 | if ( style & wxLC_VIRTUAL ) | |
486 | { | |
487 | int ver = wxTheApp->GetComCtl32Version(); | |
488 | if ( ver < 470 ) | |
489 | { | |
490 | 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."), | |
491 | ver / 100, ver % 100); | |
492 | } | |
493 | ||
494 | wstyle |= LVS_OWNERDATA; | |
495 | } | |
496 | #endif | |
497 | ||
498 | return wstyle; | |
499 | } | |
500 | ||
501 | // ---------------------------------------------------------------------------- | |
502 | // accessors | |
503 | // ---------------------------------------------------------------------------- | |
504 | ||
505 | // Sets the foreground, i.e. text, colour | |
506 | bool wxListCtrl::SetForegroundColour(const wxColour& col) | |
507 | { | |
508 | if ( !wxWindow::SetForegroundColour(col) ) | |
509 | return FALSE; | |
510 | ||
511 | ListView_SetTextColor(GetHwnd(), wxColourToRGB(col)); | |
512 | ||
513 | return TRUE; | |
514 | } | |
515 | ||
516 | // Sets the background colour | |
517 | bool wxListCtrl::SetBackgroundColour(const wxColour& col) | |
518 | { | |
519 | if ( !wxWindow::SetBackgroundColour(col) ) | |
520 | return FALSE; | |
521 | ||
522 | // we set the same colour for both the "empty" background and the items | |
523 | // background | |
524 | COLORREF color = wxColourToRGB(col); | |
525 | ListView_SetBkColor(GetHwnd(), color); | |
526 | ListView_SetTextBkColor(GetHwnd(), color); | |
527 | ||
528 | return TRUE; | |
529 | } | |
530 | ||
531 | // Gets information about this column | |
532 | bool wxListCtrl::GetColumn(int col, wxListItem& item) const | |
533 | { | |
534 | LV_COLUMN lvCol; | |
535 | lvCol.mask = 0; | |
536 | lvCol.fmt = 0; | |
537 | lvCol.pszText = NULL; | |
538 | ||
539 | if ( item.m_mask & wxLIST_MASK_TEXT ) | |
540 | { | |
541 | lvCol.mask |= LVCF_TEXT; | |
542 | lvCol.pszText = new wxChar[513]; | |
543 | lvCol.cchTextMax = 512; | |
544 | } | |
545 | ||
546 | bool success = (ListView_GetColumn(GetHwnd(), col, & lvCol) != 0); | |
547 | ||
548 | // item.m_subItem = lvCol.iSubItem; | |
549 | item.m_width = lvCol.cx; | |
550 | ||
551 | if ( (item.m_mask & wxLIST_MASK_TEXT) && lvCol.pszText ) | |
552 | { | |
553 | item.m_text = lvCol.pszText; | |
554 | delete[] lvCol.pszText; | |
555 | } | |
556 | ||
557 | if ( item.m_mask & wxLIST_MASK_FORMAT ) | |
558 | { | |
559 | if (lvCol.fmt == LVCFMT_LEFT) | |
560 | item.m_format = wxLIST_FORMAT_LEFT; | |
561 | else if (lvCol.fmt == LVCFMT_RIGHT) | |
562 | item.m_format = wxLIST_FORMAT_RIGHT; | |
563 | else if (lvCol.fmt == LVCFMT_CENTER) | |
564 | item.m_format = wxLIST_FORMAT_CENTRE; | |
565 | } | |
566 | ||
567 | return success; | |
568 | } | |
569 | ||
570 | // Sets information about this column | |
571 | bool wxListCtrl::SetColumn(int col, wxListItem& item) | |
572 | { | |
573 | LV_COLUMN lvCol; | |
574 | lvCol.mask = 0; | |
575 | lvCol.fmt = 0; | |
576 | lvCol.pszText = NULL; | |
577 | ||
578 | if ( item.m_mask & wxLIST_MASK_TEXT ) | |
579 | { | |
580 | lvCol.mask |= LVCF_TEXT; | |
581 | lvCol.pszText = WXSTRINGCAST item.m_text; | |
582 | lvCol.cchTextMax = 0; // Ignored | |
583 | } | |
584 | if ( item.m_mask & wxLIST_MASK_FORMAT ) | |
585 | { | |
586 | lvCol.mask |= LVCF_FMT; | |
587 | ||
588 | if ( item.m_format == wxLIST_FORMAT_LEFT ) | |
589 | lvCol.fmt = LVCFMT_LEFT; | |
590 | if ( item.m_format == wxLIST_FORMAT_RIGHT ) | |
591 | lvCol.fmt = LVCFMT_RIGHT; | |
592 | if ( item.m_format == wxLIST_FORMAT_CENTRE ) | |
593 | lvCol.fmt = LVCFMT_CENTER; | |
594 | } | |
595 | ||
596 | if ( item.m_mask & wxLIST_MASK_WIDTH ) | |
597 | { | |
598 | lvCol.mask |= LVCF_WIDTH; | |
599 | lvCol.cx = item.m_width; | |
600 | ||
601 | if ( lvCol.cx == wxLIST_AUTOSIZE) | |
602 | lvCol.cx = LVSCW_AUTOSIZE; | |
603 | else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER) | |
604 | lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; | |
605 | } | |
606 | lvCol.mask |= LVCF_SUBITEM; | |
607 | lvCol.iSubItem = col; | |
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 | return (ListView_DeleteItem(GetHwnd(), (int) item) != 0); | |
1054 | } | |
1055 | ||
1056 | // Deletes all items | |
1057 | bool wxListCtrl::DeleteAllItems() | |
1058 | { | |
1059 | return (ListView_DeleteAllItems(GetHwnd()) != 0); | |
1060 | } | |
1061 | ||
1062 | // Deletes all items | |
1063 | bool wxListCtrl::DeleteAllColumns() | |
1064 | { | |
1065 | while ( m_colCount > 0 ) | |
1066 | { | |
1067 | if ( ListView_DeleteColumn(GetHwnd(), 0) == 0 ) | |
1068 | { | |
1069 | wxLogLastError(wxT("ListView_DeleteColumn")); | |
1070 | ||
1071 | return FALSE; | |
1072 | } | |
1073 | ||
1074 | m_colCount--; | |
1075 | } | |
1076 | ||
1077 | wxASSERT_MSG( m_colCount == 0, wxT("no columns should be left") ); | |
1078 | ||
1079 | return TRUE; | |
1080 | } | |
1081 | ||
1082 | // Deletes a column | |
1083 | bool wxListCtrl::DeleteColumn(int col) | |
1084 | { | |
1085 | bool success = (ListView_DeleteColumn(GetHwnd(), col) != 0); | |
1086 | ||
1087 | if ( success && (m_colCount > 0) ) | |
1088 | m_colCount --; | |
1089 | return success; | |
1090 | } | |
1091 | ||
1092 | // Clears items, and columns if there are any. | |
1093 | void wxListCtrl::ClearAll() | |
1094 | { | |
1095 | DeleteAllItems(); | |
1096 | if ( m_colCount > 0 ) | |
1097 | DeleteAllColumns(); | |
1098 | } | |
1099 | ||
1100 | wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) | |
1101 | { | |
1102 | wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) ); | |
1103 | ||
1104 | // VS: ListView_EditLabel requires that the list has focus. | |
1105 | SetFocus(); | |
1106 | HWND hWnd = (HWND) ListView_EditLabel(GetHwnd(), item); | |
1107 | ||
1108 | if (m_textCtrl) | |
1109 | { | |
1110 | m_textCtrl->SetHWND(0); | |
1111 | m_textCtrl->UnsubclassWin(); | |
1112 | delete m_textCtrl; | |
1113 | m_textCtrl = NULL; | |
1114 | } | |
1115 | ||
1116 | m_textCtrl = (wxTextCtrl*) textControlClass->CreateObject(); | |
1117 | m_textCtrl->SetHWND((WXHWND) hWnd); | |
1118 | m_textCtrl->SubclassWin((WXHWND) hWnd); | |
1119 | ||
1120 | return m_textCtrl; | |
1121 | } | |
1122 | ||
1123 | // End label editing, optionally cancelling the edit | |
1124 | bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) | |
1125 | { | |
1126 | wxFAIL_MSG( _T("not implemented") ); | |
1127 | ||
1128 | return FALSE; | |
1129 | } | |
1130 | ||
1131 | // Ensures this item is visible | |
1132 | bool wxListCtrl::EnsureVisible(long item) | |
1133 | { | |
1134 | return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0; | |
1135 | } | |
1136 | ||
1137 | // Find an item whose label matches this string, starting from the item after 'start' | |
1138 | // or the beginning if 'start' is -1. | |
1139 | long wxListCtrl::FindItem(long start, const wxString& str, bool partial) | |
1140 | { | |
1141 | LV_FINDINFO findInfo; | |
1142 | ||
1143 | findInfo.flags = LVFI_STRING; | |
1144 | if ( partial ) | |
1145 | findInfo.flags |= LVFI_PARTIAL; | |
1146 | findInfo.psz = str; | |
1147 | ||
1148 | // ListView_FindItem() excludes the first item from search and to look | |
1149 | // through all the items you need to start from -1 which is unnatural and | |
1150 | // inconsistent with the generic version - so we adjust the index | |
1151 | if (start != -1) | |
1152 | start --; | |
1153 | return ListView_FindItem(GetHwnd(), (int) start, &findInfo); | |
1154 | } | |
1155 | ||
1156 | // Find an item whose data matches this data, starting from the item after 'start' | |
1157 | // or the beginning if 'start' is -1. | |
1158 | long wxListCtrl::FindItem(long start, long data) | |
1159 | { | |
1160 | LV_FINDINFO findInfo; | |
1161 | ||
1162 | findInfo.flags = LVFI_PARAM; | |
1163 | findInfo.lParam = data; | |
1164 | ||
1165 | return ListView_FindItem(GetHwnd(), (int) start, & findInfo); | |
1166 | } | |
1167 | ||
1168 | // Find an item nearest this position in the specified direction, starting from | |
1169 | // the item after 'start' or the beginning if 'start' is -1. | |
1170 | long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction) | |
1171 | { | |
1172 | LV_FINDINFO findInfo; | |
1173 | ||
1174 | findInfo.flags = LVFI_NEARESTXY; | |
1175 | findInfo.pt.x = pt.x; | |
1176 | findInfo.pt.y = pt.y; | |
1177 | findInfo.vkDirection = VK_RIGHT; | |
1178 | ||
1179 | if ( direction == wxLIST_FIND_UP ) | |
1180 | findInfo.vkDirection = VK_UP; | |
1181 | else if ( direction == wxLIST_FIND_DOWN ) | |
1182 | findInfo.vkDirection = VK_DOWN; | |
1183 | else if ( direction == wxLIST_FIND_LEFT ) | |
1184 | findInfo.vkDirection = VK_LEFT; | |
1185 | else if ( direction == wxLIST_FIND_RIGHT ) | |
1186 | findInfo.vkDirection = VK_RIGHT; | |
1187 | ||
1188 | return ListView_FindItem(GetHwnd(), (int) start, & findInfo); | |
1189 | } | |
1190 | ||
1191 | // Determines which item (if any) is at the specified point, | |
1192 | // giving details in 'flags' (see wxLIST_HITTEST_... flags above) | |
1193 | long wxListCtrl::HitTest(const wxPoint& point, int& flags) | |
1194 | { | |
1195 | LV_HITTESTINFO hitTestInfo; | |
1196 | hitTestInfo.pt.x = (int) point.x; | |
1197 | hitTestInfo.pt.y = (int) point.y; | |
1198 | ||
1199 | ListView_HitTest(GetHwnd(), & hitTestInfo); | |
1200 | ||
1201 | flags = 0; | |
1202 | if ( hitTestInfo.flags & LVHT_ABOVE ) | |
1203 | flags |= wxLIST_HITTEST_ABOVE; | |
1204 | if ( hitTestInfo.flags & LVHT_BELOW ) | |
1205 | flags |= wxLIST_HITTEST_BELOW; | |
1206 | if ( hitTestInfo.flags & LVHT_NOWHERE ) | |
1207 | flags |= wxLIST_HITTEST_NOWHERE; | |
1208 | if ( hitTestInfo.flags & LVHT_ONITEMICON ) | |
1209 | flags |= wxLIST_HITTEST_ONITEMICON; | |
1210 | if ( hitTestInfo.flags & LVHT_ONITEMLABEL ) | |
1211 | flags |= wxLIST_HITTEST_ONITEMLABEL; | |
1212 | if ( hitTestInfo.flags & LVHT_ONITEMSTATEICON ) | |
1213 | flags |= wxLIST_HITTEST_ONITEMSTATEICON; | |
1214 | if ( hitTestInfo.flags & LVHT_TOLEFT ) | |
1215 | flags |= wxLIST_HITTEST_TOLEFT; | |
1216 | if ( hitTestInfo.flags & LVHT_TORIGHT ) | |
1217 | flags |= wxLIST_HITTEST_TORIGHT; | |
1218 | ||
1219 | return (long) hitTestInfo.iItem; | |
1220 | } | |
1221 | ||
1222 | // Inserts an item, returning the index of the new item if successful, | |
1223 | // -1 otherwise. | |
1224 | long wxListCtrl::InsertItem(wxListItem& info) | |
1225 | { | |
1226 | wxASSERT_MSG( !IsVirtual(), _T("can't be used with virtual controls") ); | |
1227 | ||
1228 | LV_ITEM item; | |
1229 | wxConvertToMSWListItem(this, info, item); | |
1230 | ||
1231 | // check whether it has any custom attributes | |
1232 | if ( info.HasAttributes() ) | |
1233 | { | |
1234 | ||
1235 | wxListItemAttr *attr; | |
1236 | attr = (wxListItemAttr*) m_attrs.Get(item.iItem); | |
1237 | ||
1238 | if (attr == NULL) | |
1239 | ||
1240 | m_attrs.Put(item.iItem, (wxObject *)new wxListItemAttr(*info.GetAttributes())); | |
1241 | ||
1242 | else *attr = *info.GetAttributes(); | |
1243 | ||
1244 | m_hasAnyAttr = TRUE; | |
1245 | } | |
1246 | ||
1247 | return (long) ListView_InsertItem(GetHwnd(), & item); | |
1248 | } | |
1249 | ||
1250 | long wxListCtrl::InsertItem(long index, const wxString& label) | |
1251 | { | |
1252 | wxListItem info; | |
1253 | info.m_text = label; | |
1254 | info.m_mask = wxLIST_MASK_TEXT; | |
1255 | info.m_itemId = index; | |
1256 | return InsertItem(info); | |
1257 | } | |
1258 | ||
1259 | // Inserts an image item | |
1260 | long wxListCtrl::InsertItem(long index, int imageIndex) | |
1261 | { | |
1262 | wxListItem info; | |
1263 | info.m_image = imageIndex; | |
1264 | info.m_mask = wxLIST_MASK_IMAGE; | |
1265 | info.m_itemId = index; | |
1266 | return InsertItem(info); | |
1267 | } | |
1268 | ||
1269 | // Inserts an image/string item | |
1270 | long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex) | |
1271 | { | |
1272 | wxListItem info; | |
1273 | info.m_image = imageIndex; | |
1274 | info.m_text = label; | |
1275 | info.m_mask = wxLIST_MASK_IMAGE | wxLIST_MASK_TEXT; | |
1276 | info.m_itemId = index; | |
1277 | return InsertItem(info); | |
1278 | } | |
1279 | ||
1280 | // For list view mode (only), inserts a column. | |
1281 | long wxListCtrl::InsertColumn(long col, wxListItem& item) | |
1282 | { | |
1283 | LV_COLUMN lvCol; | |
1284 | lvCol.mask = 0; | |
1285 | lvCol.fmt = 0; | |
1286 | lvCol.pszText = NULL; | |
1287 | ||
1288 | if ( item.m_mask & wxLIST_MASK_TEXT ) | |
1289 | { | |
1290 | lvCol.mask |= LVCF_TEXT; | |
1291 | lvCol.pszText = WXSTRINGCAST item.m_text; | |
1292 | lvCol.cchTextMax = 0; // Ignored | |
1293 | } | |
1294 | if ( item.m_mask & wxLIST_MASK_FORMAT ) | |
1295 | { | |
1296 | lvCol.mask |= LVCF_FMT; | |
1297 | ||
1298 | if ( item.m_format == wxLIST_FORMAT_LEFT ) | |
1299 | lvCol.fmt = LVCFMT_LEFT; | |
1300 | if ( item.m_format == wxLIST_FORMAT_RIGHT ) | |
1301 | lvCol.fmt = LVCFMT_RIGHT; | |
1302 | if ( item.m_format == wxLIST_FORMAT_CENTRE ) | |
1303 | lvCol.fmt = LVCFMT_CENTER; | |
1304 | } | |
1305 | ||
1306 | lvCol.mask |= LVCF_WIDTH; | |
1307 | if ( item.m_mask & wxLIST_MASK_WIDTH ) | |
1308 | { | |
1309 | if ( item.m_width == wxLIST_AUTOSIZE) | |
1310 | lvCol.cx = LVSCW_AUTOSIZE; | |
1311 | else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER) | |
1312 | lvCol.cx = LVSCW_AUTOSIZE_USEHEADER; | |
1313 | else | |
1314 | lvCol.cx = item.m_width; | |
1315 | } | |
1316 | else | |
1317 | { | |
1318 | // always give some width to the new column: this one is compatible | |
1319 | // with wxGTK | |
1320 | lvCol.cx = 80; | |
1321 | } | |
1322 | ||
1323 | lvCol.mask |= LVCF_SUBITEM; | |
1324 | lvCol.iSubItem = col; | |
1325 | ||
1326 | bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1; | |
1327 | if ( success ) | |
1328 | { | |
1329 | m_colCount++; | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | wxLogDebug(wxT("Failed to insert the column '%s' into listview!"), | |
1334 | lvCol.pszText); | |
1335 | } | |
1336 | ||
1337 | return success; | |
1338 | } | |
1339 | ||
1340 | long wxListCtrl::InsertColumn(long col, | |
1341 | const wxString& heading, | |
1342 | int format, | |
1343 | int width) | |
1344 | { | |
1345 | wxListItem item; | |
1346 | item.m_mask = wxLIST_MASK_TEXT | wxLIST_MASK_FORMAT; | |
1347 | item.m_text = heading; | |
1348 | if ( width > -1 ) | |
1349 | { | |
1350 | item.m_mask |= wxLIST_MASK_WIDTH; | |
1351 | item.m_width = width; | |
1352 | } | |
1353 | item.m_format = format; | |
1354 | ||
1355 | return InsertColumn(col, item); | |
1356 | } | |
1357 | ||
1358 | // Scrolls the list control. If in icon, small icon or report view mode, | |
1359 | // x specifies the number of pixels to scroll. If in list view mode, x | |
1360 | // specifies the number of columns to scroll. | |
1361 | // If in icon, small icon or list view mode, y specifies the number of pixels | |
1362 | // to scroll. If in report view mode, y specifies the number of lines to scroll. | |
1363 | bool wxListCtrl::ScrollList(int dx, int dy) | |
1364 | { | |
1365 | return (ListView_Scroll(GetHwnd(), dx, dy) != 0); | |
1366 | } | |
1367 | ||
1368 | // Sort items. | |
1369 | ||
1370 | // fn is a function which takes 3 long arguments: item1, item2, data. | |
1371 | // item1 is the long data associated with a first item (NOT the index). | |
1372 | // item2 is the long data associated with a second item (NOT the index). | |
1373 | // data is the same value as passed to SortItems. | |
1374 | // The return value is a negative number if the first item should precede the second | |
1375 | // item, a positive number of the second item should precede the first, | |
1376 | // or zero if the two items are equivalent. | |
1377 | ||
1378 | // data is arbitrary data to be passed to the sort function. | |
1379 | bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) | |
1380 | { | |
1381 | return (ListView_SortItems(GetHwnd(), (PFNLVCOMPARE) fn, data) != 0); | |
1382 | } | |
1383 | ||
1384 | // ---------------------------------------------------------------------------- | |
1385 | // message processing | |
1386 | // ---------------------------------------------------------------------------- | |
1387 | ||
1388 | bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) | |
1389 | { | |
1390 | if (cmd == EN_UPDATE) | |
1391 | { | |
1392 | wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); | |
1393 | event.SetEventObject( this ); | |
1394 | ProcessCommand(event); | |
1395 | return TRUE; | |
1396 | } | |
1397 | else if (cmd == EN_KILLFOCUS) | |
1398 | { | |
1399 | wxCommandEvent event(wxEVT_KILL_FOCUS, id); | |
1400 | event.SetEventObject( this ); | |
1401 | ProcessCommand(event); | |
1402 | return TRUE; | |
1403 | } | |
1404 | else | |
1405 | return FALSE; | |
1406 | } | |
1407 | ||
1408 | bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) | |
1409 | { | |
1410 | // prepare the event | |
1411 | // ----------------- | |
1412 | ||
1413 | wxListEvent event(wxEVT_NULL, m_windowId); | |
1414 | wxEventType eventType = wxEVT_NULL; | |
1415 | ||
1416 | NMHDR *nmhdr = (NMHDR *)lParam; | |
1417 | ||
1418 | // almost all messages use NM_LISTVIEW | |
1419 | NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; | |
1420 | ||
1421 | // this is true for almost all events | |
1422 | event.m_item.m_data = nmLV->lParam; | |
1423 | ||
1424 | switch ( nmhdr->code ) | |
1425 | { | |
1426 | case LVN_BEGINRDRAG: | |
1427 | eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG; | |
1428 | // fall through | |
1429 | ||
1430 | case LVN_BEGINDRAG: | |
1431 | if ( eventType == wxEVT_NULL ) | |
1432 | { | |
1433 | eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG; | |
1434 | } | |
1435 | ||
1436 | event.m_itemIndex = nmLV->iItem; | |
1437 | event.m_pointDrag.x = nmLV->ptAction.x; | |
1438 | event.m_pointDrag.y = nmLV->ptAction.y; | |
1439 | break; | |
1440 | ||
1441 | case LVN_BEGINLABELEDIT: | |
1442 | { | |
1443 | eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; | |
1444 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; | |
1445 | wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); | |
1446 | event.m_itemIndex = event.m_item.m_itemId; | |
1447 | } | |
1448 | break; | |
1449 | ||
1450 | case LVN_COLUMNCLICK: | |
1451 | eventType = wxEVT_COMMAND_LIST_COL_CLICK; | |
1452 | event.m_itemIndex = -1; | |
1453 | event.m_col = nmLV->iSubItem; | |
1454 | break; | |
1455 | ||
1456 | case LVN_DELETEALLITEMS: | |
1457 | eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS; | |
1458 | event.m_itemIndex = -1; | |
1459 | ||
1460 | FreeAllAttrs(); | |
1461 | ||
1462 | break; | |
1463 | ||
1464 | case LVN_DELETEITEM: | |
1465 | eventType = wxEVT_COMMAND_LIST_DELETE_ITEM; | |
1466 | event.m_itemIndex = nmLV->iItem; | |
1467 | ||
1468 | if ( m_hasAnyAttr ) | |
1469 | { | |
1470 | delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem); | |
1471 | } | |
1472 | break; | |
1473 | ||
1474 | case LVN_ENDLABELEDIT: | |
1475 | { | |
1476 | eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; | |
1477 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; | |
1478 | wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); | |
1479 | if ( info->item.pszText == NULL || info->item.iItem == -1 ) | |
1480 | return FALSE; | |
1481 | ||
1482 | event.m_itemIndex = event.m_item.m_itemId; | |
1483 | } | |
1484 | break; | |
1485 | ||
1486 | case LVN_SETDISPINFO: | |
1487 | { | |
1488 | eventType = wxEVT_COMMAND_LIST_SET_INFO; | |
1489 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; | |
1490 | wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); | |
1491 | } | |
1492 | break; | |
1493 | ||
1494 | case LVN_INSERTITEM: | |
1495 | eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; | |
1496 | event.m_itemIndex = nmLV->iItem; | |
1497 | break; | |
1498 | ||
1499 | case LVN_ITEMCHANGED: | |
1500 | // This needs to be sent to wxListCtrl as a rather more concrete | |
1501 | // event. For now, just detect a selection or deselection. | |
1502 | if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) ) | |
1503 | { | |
1504 | eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED; | |
1505 | event.m_itemIndex = nmLV->iItem; | |
1506 | } | |
1507 | else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) ) | |
1508 | { | |
1509 | eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED; | |
1510 | event.m_itemIndex = nmLV->iItem; | |
1511 | } | |
1512 | else | |
1513 | { | |
1514 | return FALSE; | |
1515 | } | |
1516 | break; | |
1517 | ||
1518 | case LVN_KEYDOWN: | |
1519 | { | |
1520 | LV_KEYDOWN *info = (LV_KEYDOWN *)lParam; | |
1521 | WORD wVKey = info->wVKey; | |
1522 | ||
1523 | // get the current selection | |
1524 | long lItem = GetNextItem(-1, | |
1525 | wxLIST_NEXT_ALL, | |
1526 | wxLIST_STATE_SELECTED); | |
1527 | ||
1528 | // <Enter> or <Space> activate the selected item if any (but | |
1529 | // not with Shift and/or Ctrl as then they have a predefined | |
1530 | // meaning for the list view) | |
1531 | if ( lItem != -1 && | |
1532 | (wVKey == VK_RETURN || wVKey == VK_SPACE) && | |
1533 | !(wxIsShiftDown() || wxIsCtrlDown()) ) | |
1534 | { | |
1535 | eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; | |
1536 | } | |
1537 | else | |
1538 | { | |
1539 | eventType = wxEVT_COMMAND_LIST_KEY_DOWN; | |
1540 | event.m_code = wxCharCodeMSWToWX(wVKey); | |
1541 | } | |
1542 | ||
1543 | event.m_itemIndex = | |
1544 | event.m_item.m_itemId = lItem; | |
1545 | ||
1546 | if ( lItem != -1 ) | |
1547 | { | |
1548 | // fill the other fields too | |
1549 | event.m_item.m_text = GetItemText(lItem); | |
1550 | event.m_item.m_data = GetItemData(lItem); | |
1551 | } | |
1552 | } | |
1553 | break; | |
1554 | ||
1555 | case NM_DBLCLK: | |
1556 | // if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do | |
1557 | // anything else | |
1558 | if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) | |
1559 | { | |
1560 | return TRUE; | |
1561 | } | |
1562 | ||
1563 | // else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event | |
1564 | // if it happened on an item (and not on empty place) | |
1565 | if ( nmLV->iItem == -1 ) | |
1566 | { | |
1567 | // not on item | |
1568 | return FALSE; | |
1569 | } | |
1570 | ||
1571 | eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; | |
1572 | event.m_itemIndex = nmLV->iItem; | |
1573 | event.m_item.m_text = GetItemText(nmLV->iItem); | |
1574 | event.m_item.m_data = GetItemData(nmLV->iItem); | |
1575 | break; | |
1576 | ||
1577 | case NM_RCLICK: | |
1578 | /* TECH NOTE: NM_RCLICK isn't really good enough here. We want to | |
1579 | subclass and check for the actual WM_RBUTTONDOWN message, | |
1580 | because NM_RCLICK waits for the WM_RBUTTONUP message as well | |
1581 | before firing off. We want to have notify events for both down | |
1582 | -and- up. */ | |
1583 | { | |
1584 | // if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(), | |
1585 | // don't do anything else | |
1586 | if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) | |
1587 | { | |
1588 | return TRUE; | |
1589 | } | |
1590 | ||
1591 | // else translate it into wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK event | |
1592 | LV_HITTESTINFO lvhti; | |
1593 | wxZeroMemory(lvhti); | |
1594 | ||
1595 | ::GetCursorPos(&(lvhti.pt)); | |
1596 | ::ScreenToClient(GetHwnd(),&(lvhti.pt)); | |
1597 | if ( ListView_HitTest(GetHwnd(),&lvhti) != -1 ) | |
1598 | { | |
1599 | if ( lvhti.flags & LVHT_ONITEM ) | |
1600 | { | |
1601 | eventType = wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK; | |
1602 | event.m_itemIndex = lvhti.iItem; | |
1603 | event.m_pointDrag.x = lvhti.pt.x; | |
1604 | event.m_pointDrag.y = lvhti.pt.y; | |
1605 | } | |
1606 | } | |
1607 | } | |
1608 | break; | |
1609 | ||
1610 | #if 0 | |
1611 | case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ****** | |
1612 | { | |
1613 | // if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do | |
1614 | // anything else | |
1615 | if ( wxControl::MSWOnNotify(idCtrl, lParam, result) ) | |
1616 | { | |
1617 | return TRUE; | |
1618 | } | |
1619 | ||
1620 | // else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event | |
1621 | eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK; | |
1622 | NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam; | |
1623 | event.m_itemIndex = hdr->iItem; | |
1624 | } | |
1625 | break; | |
1626 | #endif // 0 | |
1627 | ||
1628 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \ | |
1629 | && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) | |
1630 | case NM_CUSTOMDRAW: | |
1631 | *result = OnCustomDraw(lParam); | |
1632 | ||
1633 | return TRUE; | |
1634 | #endif // _WIN32_IE >= 0x300 | |
1635 | ||
1636 | case LVN_ODCACHEHINT: | |
1637 | { | |
1638 | const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam; | |
1639 | ||
1640 | eventType = wxEVT_COMMAND_LIST_CACHE_HINT; | |
1641 | ||
1642 | // we get some really stupid cache hints like ones for items in | |
1643 | // range 0..0 for an empty control or, after deleting an item, | |
1644 | // for items in invalid range - filter this garbage out | |
1645 | if ( cacheHint->iFrom < cacheHint->iTo ) | |
1646 | { | |
1647 | event.m_oldItemIndex = cacheHint->iFrom; | |
1648 | ||
1649 | long iMax = GetItemCount(); | |
1650 | event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo | |
1651 | : iMax - 1; | |
1652 | } | |
1653 | else | |
1654 | { | |
1655 | return FALSE; | |
1656 | } | |
1657 | } | |
1658 | break; | |
1659 | ||
1660 | case LVN_GETDISPINFO: | |
1661 | if ( IsVirtual() ) | |
1662 | { | |
1663 | LV_DISPINFO *info = (LV_DISPINFO *)lParam; | |
1664 | ||
1665 | LV_ITEM& lvi = info->item; | |
1666 | long item = lvi.iItem; | |
1667 | ||
1668 | if ( lvi.mask & LVIF_TEXT ) | |
1669 | { | |
1670 | wxString text = OnGetItemText(item, lvi.iSubItem); | |
1671 | wxStrncpy(lvi.pszText, text, lvi.cchTextMax); | |
1672 | } | |
1673 | ||
1674 | if ( lvi.mask & LVIF_IMAGE ) | |
1675 | { | |
1676 | lvi.iImage = OnGetItemImage(item); | |
1677 | } | |
1678 | ||
1679 | // a little dose of healthy paranoia: as we never use | |
1680 | // LVM_SETCALLBACKMASK we're not supposed to get these ones | |
1681 | wxASSERT_MSG( !(lvi.mask & LVIF_STATE), | |
1682 | _T("we don't support state callbacks yet!") ); | |
1683 | ||
1684 | return TRUE; | |
1685 | } | |
1686 | // fall through | |
1687 | ||
1688 | default: | |
1689 | return wxControl::MSWOnNotify(idCtrl, lParam, result); | |
1690 | } | |
1691 | ||
1692 | // process the event | |
1693 | // ----------------- | |
1694 | ||
1695 | event.SetEventObject( this ); | |
1696 | event.SetEventType(eventType); | |
1697 | ||
1698 | if ( !GetEventHandler()->ProcessEvent(event) ) | |
1699 | return FALSE; | |
1700 | ||
1701 | // post processing | |
1702 | // --------------- | |
1703 | ||
1704 | switch ( nmhdr->code ) | |
1705 | { | |
1706 | case LVN_DELETEALLITEMS: | |
1707 | // always return TRUE to suppress all additional LVN_DELETEITEM | |
1708 | // notifications - this makes deleting all items from a list ctrl | |
1709 | // much faster | |
1710 | *result = TRUE; | |
1711 | ||
1712 | return TRUE; | |
1713 | ||
1714 | case LVN_ENDLABELEDIT: | |
1715 | // logic here is inversed compared to all the other messages | |
1716 | *result = event.IsAllowed(); | |
1717 | ||
1718 | return TRUE; | |
1719 | } | |
1720 | ||
1721 | *result = !event.IsAllowed(); | |
1722 | ||
1723 | return TRUE; | |
1724 | } | |
1725 | ||
1726 | #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 | |
1727 | ||
1728 | WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) | |
1729 | { | |
1730 | LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; | |
1731 | NMCUSTOMDRAW& nmcd = lplvcd->nmcd; | |
1732 | switch ( nmcd.dwDrawStage ) | |
1733 | { | |
1734 | case CDDS_PREPAINT: | |
1735 | // if we've got any items with non standard attributes, | |
1736 | // notify us before painting each item | |
1737 | // | |
1738 | // for virtual controls, always suppose that we have attributes as | |
1739 | // there is no way to check for this | |
1740 | return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW | |
1741 | : CDRF_DODEFAULT; | |
1742 | ||
1743 | case CDDS_ITEMPREPAINT: | |
1744 | { | |
1745 | size_t item = (size_t)nmcd.dwItemSpec; | |
1746 | if ( item >= (size_t)GetItemCount() ) | |
1747 | { | |
1748 | // we get this message with item == 0 for an empty control, | |
1749 | // we must ignore it as calling OnGetItemAttr() would be | |
1750 | // wrong | |
1751 | return CDRF_DODEFAULT; | |
1752 | } | |
1753 | ||
1754 | wxListItemAttr *attr = | |
1755 | IsVirtual() ? OnGetItemAttr(item) | |
1756 | : (wxListItemAttr *)m_attrs.Get(item); | |
1757 | ||
1758 | if ( !attr ) | |
1759 | { | |
1760 | // nothing to do for this item | |
1761 | return CDRF_DODEFAULT; | |
1762 | } | |
1763 | ||
1764 | HFONT hFont; | |
1765 | wxColour colText, colBack; | |
1766 | if ( attr->HasFont() ) | |
1767 | { | |
1768 | wxFont font = attr->GetFont(); | |
1769 | hFont = (HFONT)font.GetResourceHandle(); | |
1770 | } | |
1771 | else | |
1772 | { | |
1773 | hFont = 0; | |
1774 | } | |
1775 | ||
1776 | if ( attr->HasTextColour() ) | |
1777 | { | |
1778 | colText = attr->GetTextColour(); | |
1779 | } | |
1780 | else | |
1781 | { | |
1782 | colText = GetTextColour(); | |
1783 | } | |
1784 | ||
1785 | if ( attr->HasBackgroundColour() ) | |
1786 | { | |
1787 | colBack = attr->GetBackgroundColour(); | |
1788 | } | |
1789 | else | |
1790 | { | |
1791 | colBack = GetBackgroundColour(); | |
1792 | } | |
1793 | ||
1794 | lplvcd->clrText = wxColourToRGB(colText); | |
1795 | lplvcd->clrTextBk = wxColourToRGB(colBack); | |
1796 | ||
1797 | // note that if we wanted to set colours for | |
1798 | // individual columns (subitems), we would have | |
1799 | // returned CDRF_NOTIFYSUBITEMREDRAW from here | |
1800 | if ( hFont ) | |
1801 | { | |
1802 | ::SelectObject(nmcd.hdc, hFont); | |
1803 | ||
1804 | return CDRF_NEWFONT; | |
1805 | } | |
1806 | } | |
1807 | // fall through to return CDRF_DODEFAULT | |
1808 | ||
1809 | default: | |
1810 | return CDRF_DODEFAULT; | |
1811 | } | |
1812 | } | |
1813 | ||
1814 | #endif // NM_CUSTOMDRAW supported | |
1815 | ||
1816 | // Necessary for drawing hrules and vrules, if specified | |
1817 | void wxListCtrl::OnPaint(wxPaintEvent& event) | |
1818 | { | |
1819 | wxPaintDC dc(this); | |
1820 | ||
1821 | wxControl::OnPaint(event); | |
1822 | ||
1823 | // Reset the device origin since it may have been set | |
1824 | dc.SetDeviceOrigin(0, 0); | |
1825 | ||
1826 | bool drawHRules = ((GetWindowStyle() & wxLC_HRULES) != 0); | |
1827 | bool drawVRules = ((GetWindowStyle() & wxLC_VRULES) != 0); | |
1828 | ||
1829 | if (!drawHRules && !drawVRules) | |
1830 | return; | |
1831 | if ((GetWindowStyle() & wxLC_REPORT) == 0) | |
1832 | return; | |
1833 | ||
1834 | wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); | |
1835 | dc.SetPen(pen); | |
1836 | dc.SetBrush(* wxTRANSPARENT_BRUSH); | |
1837 | ||
1838 | wxSize clientSize = GetClientSize(); | |
1839 | wxRect itemRect; | |
1840 | int cy=0; | |
1841 | ||
1842 | int itemCount = GetItemCount(); | |
1843 | int i; | |
1844 | for (i = 0; i < itemCount; i++) | |
1845 | { | |
1846 | if (GetItemRect(i, itemRect)) | |
1847 | { | |
1848 | cy = itemRect.GetTop(); | |
1849 | if (i != 0) // Don't draw the first one | |
1850 | { | |
1851 | dc.DrawLine(0, cy, clientSize.x, cy); | |
1852 | } | |
1853 | // Draw last line | |
1854 | if (i == (GetItemCount() - 1)) | |
1855 | { | |
1856 | cy = itemRect.GetBottom(); | |
1857 | dc.DrawLine(0, cy, clientSize.x, cy); | |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | i = (GetItemCount() - 1); | |
1862 | if (drawVRules && (i > -1)) | |
1863 | { | |
1864 | wxRect firstItemRect; | |
1865 | GetItemRect(0, firstItemRect); | |
1866 | ||
1867 | if (GetItemRect(i, itemRect)) | |
1868 | { | |
1869 | int col; | |
1870 | int x = itemRect.GetX(); | |
1871 | for (col = 0; col < GetColumnCount(); col++) | |
1872 | { | |
1873 | int colWidth = GetColumnWidth(col); | |
1874 | x += colWidth ; | |
1875 | dc.DrawLine(x, firstItemRect.GetY() - 2, x, itemRect.GetBottom()); | |
1876 | } | |
1877 | } | |
1878 | } | |
1879 | } | |
1880 | ||
1881 | // ---------------------------------------------------------------------------- | |
1882 | // virtual list controls | |
1883 | // ---------------------------------------------------------------------------- | |
1884 | ||
1885 | wxString wxListCtrl::OnGetItemText(long WXUNUSED(item), long WXUNUSED(col)) const | |
1886 | { | |
1887 | // this is a pure virtual function, in fact - which is not really pure | |
1888 | // because the controls which are not virtual don't need to implement it | |
1889 | wxFAIL_MSG( _T("not supposed to be called") ); | |
1890 | ||
1891 | return wxEmptyString; | |
1892 | } | |
1893 | ||
1894 | int wxListCtrl::OnGetItemImage(long WXUNUSED(item)) const | |
1895 | { | |
1896 | // same as above | |
1897 | wxFAIL_MSG( _T("not supposed to be called") ); | |
1898 | ||
1899 | return -1; | |
1900 | } | |
1901 | ||
1902 | wxListItemAttr *wxListCtrl::OnGetItemAttr(long WXUNUSED_UNLESS_DEBUG(item)) const | |
1903 | { | |
1904 | wxASSERT_MSG( item >= 0 && item < GetItemCount(), | |
1905 | _T("invalid item index in OnGetItemAttr()") ); | |
1906 | ||
1907 | // no attributes by default | |
1908 | return NULL; | |
1909 | } | |
1910 | ||
1911 | void wxListCtrl::SetItemCount(long count) | |
1912 | { | |
1913 | wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); | |
1914 | ||
1915 | if ( !::SendMessage(GetHwnd(), LVM_SETITEMCOUNT, (WPARAM)count, 0) ) | |
1916 | { | |
1917 | wxLogLastError(_T("ListView_SetItemCount")); | |
1918 | } | |
1919 | } | |
1920 | ||
1921 | void wxListCtrl::RefreshItem(long item) | |
1922 | { | |
1923 | if ( !ListView_Update(GetHwnd(), item) ) | |
1924 | { | |
1925 | wxLogLastError(_T("ListView_Update")); | |
1926 | } | |
1927 | } | |
1928 | ||
1929 | void wxListCtrl::RefreshItems(long itemFrom, long itemTo) | |
1930 | { | |
1931 | wxRect rect1, rect2; | |
1932 | GetItemRect(itemFrom, rect1); | |
1933 | GetItemRect(itemTo, rect2); | |
1934 | ||
1935 | wxRect rect = rect1; | |
1936 | rect.height = rect2.GetBottom() - rect1.GetTop(); | |
1937 | ||
1938 | RefreshRect(rect); | |
1939 | } | |
1940 | ||
1941 | // ---------------------------------------------------------------------------- | |
1942 | // wxListItem | |
1943 | // ---------------------------------------------------------------------------- | |
1944 | ||
1945 | // List item structure | |
1946 | wxListItem::wxListItem() | |
1947 | { | |
1948 | m_mask = 0; | |
1949 | m_itemId = 0; | |
1950 | m_col = 0; | |
1951 | m_state = 0; | |
1952 | m_stateMask = 0; | |
1953 | m_image = 0; | |
1954 | m_data = 0; | |
1955 | ||
1956 | m_format = wxLIST_FORMAT_CENTRE; | |
1957 | m_width = 0; | |
1958 | ||
1959 | m_attr = NULL; | |
1960 | } | |
1961 | ||
1962 | void wxListItem::Clear() | |
1963 | { | |
1964 | m_mask = 0; | |
1965 | m_itemId = 0; | |
1966 | m_col = 0; | |
1967 | m_state = 0; | |
1968 | m_stateMask = 0; | |
1969 | m_image = 0; | |
1970 | m_data = 0; | |
1971 | m_format = wxLIST_FORMAT_CENTRE; | |
1972 | m_width = 0; | |
1973 | m_text = wxEmptyString; | |
1974 | ||
1975 | if (m_attr) delete m_attr; | |
1976 | m_attr = NULL; | |
1977 | } | |
1978 | ||
1979 | void wxListItem::ClearAttributes() | |
1980 | { | |
1981 | if (m_attr) delete m_attr; | |
1982 | m_attr = NULL; | |
1983 | } | |
1984 | ||
1985 | static void wxConvertFromMSWListItem(HWND hwndListCtrl, | |
1986 | wxListItem& info, | |
1987 | LV_ITEM& lvItem) | |
1988 | { | |
1989 | info.m_data = lvItem.lParam; | |
1990 | info.m_mask = 0; | |
1991 | info.m_state = 0; | |
1992 | info.m_stateMask = 0; | |
1993 | info.m_itemId = lvItem.iItem; | |
1994 | ||
1995 | long oldMask = lvItem.mask; | |
1996 | ||
1997 | bool needText = FALSE; | |
1998 | if (hwndListCtrl != 0) | |
1999 | { | |
2000 | if ( lvItem.mask & LVIF_TEXT ) | |
2001 | needText = FALSE; | |
2002 | else | |
2003 | needText = TRUE; | |
2004 | ||
2005 | if ( needText ) | |
2006 | { | |
2007 | lvItem.pszText = new wxChar[513]; | |
2008 | lvItem.cchTextMax = 512; | |
2009 | } | |
2010 | lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM; | |
2011 | ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem); | |
2012 | } | |
2013 | ||
2014 | if ( lvItem.mask & LVIF_STATE ) | |
2015 | { | |
2016 | info.m_mask |= wxLIST_MASK_STATE; | |
2017 | ||
2018 | if ( lvItem.stateMask & LVIS_CUT) | |
2019 | { | |
2020 | info.m_stateMask |= wxLIST_STATE_CUT; | |
2021 | if ( lvItem.state & LVIS_CUT ) | |
2022 | info.m_state |= wxLIST_STATE_CUT; | |
2023 | } | |
2024 | if ( lvItem.stateMask & LVIS_DROPHILITED) | |
2025 | { | |
2026 | info.m_stateMask |= wxLIST_STATE_DROPHILITED; | |
2027 | if ( lvItem.state & LVIS_DROPHILITED ) | |
2028 | info.m_state |= wxLIST_STATE_DROPHILITED; | |
2029 | } | |
2030 | if ( lvItem.stateMask & LVIS_FOCUSED) | |
2031 | { | |
2032 | info.m_stateMask |= wxLIST_STATE_FOCUSED; | |
2033 | if ( lvItem.state & LVIS_FOCUSED ) | |
2034 | info.m_state |= wxLIST_STATE_FOCUSED; | |
2035 | } | |
2036 | if ( lvItem.stateMask & LVIS_SELECTED) | |
2037 | { | |
2038 | info.m_stateMask |= wxLIST_STATE_SELECTED; | |
2039 | if ( lvItem.state & LVIS_SELECTED ) | |
2040 | info.m_state |= wxLIST_STATE_SELECTED; | |
2041 | } | |
2042 | } | |
2043 | ||
2044 | if ( lvItem.mask & LVIF_TEXT ) | |
2045 | { | |
2046 | info.m_mask |= wxLIST_MASK_TEXT; | |
2047 | info.m_text = lvItem.pszText; | |
2048 | } | |
2049 | if ( lvItem.mask & LVIF_IMAGE ) | |
2050 | { | |
2051 | info.m_mask |= wxLIST_MASK_IMAGE; | |
2052 | info.m_image = lvItem.iImage; | |
2053 | } | |
2054 | if ( lvItem.mask & LVIF_PARAM ) | |
2055 | info.m_mask |= wxLIST_MASK_DATA; | |
2056 | if ( lvItem.mask & LVIF_DI_SETITEM ) | |
2057 | info.m_mask |= wxLIST_SET_ITEM; | |
2058 | info.m_col = lvItem.iSubItem; | |
2059 | ||
2060 | if (needText) | |
2061 | { | |
2062 | if (lvItem.pszText) | |
2063 | delete[] lvItem.pszText; | |
2064 | } | |
2065 | lvItem.mask = oldMask; | |
2066 | } | |
2067 | ||
2068 | static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem) | |
2069 | { | |
2070 | if (stateMask & wxLIST_STATE_CUT) | |
2071 | { | |
2072 | lvItem.stateMask |= LVIS_CUT; | |
2073 | if (state & wxLIST_STATE_CUT) | |
2074 | lvItem.state |= LVIS_CUT; | |
2075 | } | |
2076 | if (stateMask & wxLIST_STATE_DROPHILITED) | |
2077 | { | |
2078 | lvItem.stateMask |= LVIS_DROPHILITED; | |
2079 | if (state & wxLIST_STATE_DROPHILITED) | |
2080 | lvItem.state |= LVIS_DROPHILITED; | |
2081 | } | |
2082 | if (stateMask & wxLIST_STATE_FOCUSED) | |
2083 | { | |
2084 | lvItem.stateMask |= LVIS_FOCUSED; | |
2085 | if (state & wxLIST_STATE_FOCUSED) | |
2086 | lvItem.state |= LVIS_FOCUSED; | |
2087 | } | |
2088 | if (stateMask & wxLIST_STATE_SELECTED) | |
2089 | { | |
2090 | lvItem.stateMask |= LVIS_SELECTED; | |
2091 | if (state & wxLIST_STATE_SELECTED) | |
2092 | lvItem.state |= LVIS_SELECTED; | |
2093 | } | |
2094 | } | |
2095 | ||
2096 | static void wxConvertToMSWListItem(const wxListCtrl *ctrl, | |
2097 | const wxListItem& info, | |
2098 | LV_ITEM& lvItem) | |
2099 | { | |
2100 | lvItem.iItem = (int) info.m_itemId; | |
2101 | ||
2102 | lvItem.iImage = info.m_image; | |
2103 | lvItem.lParam = info.m_data; | |
2104 | lvItem.stateMask = 0; | |
2105 | lvItem.state = 0; | |
2106 | lvItem.mask = 0; | |
2107 | lvItem.iSubItem = info.m_col; | |
2108 | ||
2109 | if (info.m_mask & wxLIST_MASK_STATE) | |
2110 | { | |
2111 | lvItem.mask |= LVIF_STATE; | |
2112 | ||
2113 | wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem); | |
2114 | } | |
2115 | ||
2116 | if (info.m_mask & wxLIST_MASK_TEXT) | |
2117 | { | |
2118 | lvItem.mask |= LVIF_TEXT; | |
2119 | if ( ctrl->GetWindowStyleFlag() & wxLC_USER_TEXT ) | |
2120 | { | |
2121 | lvItem.pszText = LPSTR_TEXTCALLBACK; | |
2122 | } | |
2123 | else | |
2124 | { | |
2125 | // pszText is not const, hence the cast | |
2126 | lvItem.pszText = (wxChar *)info.m_text.c_str(); | |
2127 | if ( lvItem.pszText ) | |
2128 | lvItem.cchTextMax = info.m_text.Length(); | |
2129 | else | |
2130 | lvItem.cchTextMax = 0; | |
2131 | } | |
2132 | } | |
2133 | if (info.m_mask & wxLIST_MASK_IMAGE) | |
2134 | lvItem.mask |= LVIF_IMAGE; | |
2135 | if (info.m_mask & wxLIST_MASK_DATA) | |
2136 | lvItem.mask |= LVIF_PARAM; | |
2137 | } | |
2138 | ||
2139 | // ---------------------------------------------------------------------------- | |
2140 | // List event | |
2141 | // ---------------------------------------------------------------------------- | |
2142 | ||
2143 | IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) | |
2144 | ||
2145 | wxListEvent::wxListEvent(wxEventType commandType, int id) | |
2146 | : wxNotifyEvent(commandType, id) | |
2147 | { | |
2148 | m_code = 0; | |
2149 | m_itemIndex = 0; | |
2150 | m_oldItemIndex = 0; | |
2151 | m_col = 0; | |
2152 | m_cancelled = FALSE; | |
2153 | } | |
2154 | ||
2155 | #endif // wxUSE_LISTCTRL |