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[wine/multimedia.git] / dlls / comctl32 / comboex.c
bloba1b6cff23e12329ca3604e985270d7da117d20b7
1 /*
2 * ComboBoxEx control
4 * Copyright 1998, 1999 Eric Kohl
5 * Copyright 2000, 2001, 2002 Guy Albertelli <galberte@neo.lrun.com>
6 * Copyright 2002 Dimitrie O. Paun
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * NOTE
24 * This code was audited for completeness against the documented features
25 * of Comctl32.dll version 6.0 on Sep. 9, 2002, by Dimitrie O. Paun.
27 * Unless otherwise noted, we believe this code to be complete, as per
28 * the specification mentioned above.
29 * If you discover missing features, or bugs, please note them below.
33 #include <stdarg.h>
34 #include <string.h>
35 #include "windef.h"
36 #include "winbase.h"
37 #include "wingdi.h"
38 #include "winuser.h"
39 #include "winnls.h"
40 #include "commctrl.h"
41 #include "comctl32.h"
42 #include "wine/debug.h"
43 #include "wine/unicode.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(comboex);
47 /* Item structure */
48 typedef struct _CBE_ITEMDATA
50 struct _CBE_ITEMDATA *next;
51 UINT mask;
52 LPWSTR pszText;
53 LPWSTR pszTemp;
54 int cchTextMax;
55 int iImage;
56 int iSelectedImage;
57 int iOverlay;
58 int iIndent;
59 LPARAM lParam;
60 } CBE_ITEMDATA;
62 /* ComboBoxEx structure */
63 typedef struct
65 HIMAGELIST himl;
66 HWND hwndSelf; /* my own hwnd */
67 HWND hwndNotify; /* my parent hwnd */
68 HWND hwndCombo;
69 HWND hwndEdit;
70 DWORD dwExtStyle;
71 INT selected; /* index of selected item */
72 DWORD flags; /* WINE internal flags */
73 HFONT defaultFont;
74 HFONT font;
75 INT nb_items; /* Number of items */
76 BOOL unicode; /* TRUE if this window is Unicode */
77 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
78 CBE_ITEMDATA *edit; /* item data for edit item */
79 CBE_ITEMDATA *items; /* Array of items */
80 } COMBOEX_INFO;
82 /* internal flags in the COMBOEX_INFO structure */
83 #define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
84 * CBEN_BEGINEDIT issued
85 * but CBEN_ENDEDIT{A|W}
86 * not yet issued. */
87 #define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
88 #define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
89 #define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
90 #define WCBE_MOUSECAPTURED 0x00000008 /* Combo has captured mouse */
91 #define WCBE_MOUSEDRAGGED 0x00000010 /* User has dragged in combo */
93 #define ID_CB_EDIT 1001
97 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
98 * the ComboEx version of the Combo Window Proc so that when the
99 * WM_DRAWITEM message is then passed to ComboEx, we know that this
100 * particular WM_DRAWITEM message is for listbox only items. Any message
101 * without this flag is then for the Edit control field.
103 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
104 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
106 #define ODS_COMBOEXLBOX 0x4000
110 /* Height in pixels of control over the amount of the selected font */
111 #define CBE_EXTRA 3
113 /* Indent amount per MS documentation */
114 #define CBE_INDENT 10
116 /* Offset in pixels from left side for start of image or text */
117 #define CBE_STARTOFFSET 6
119 /* Offset between image and text */
120 #define CBE_SEP 4
122 #define COMBO_SUBCLASSID 1
123 #define EDIT_SUBCLASSID 2
125 #define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongPtrW (hwnd, 0))
127 static LRESULT CALLBACK COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
128 UINT_PTR uId, DWORD_PTR ref_data);
129 static LRESULT CALLBACK COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
130 UINT_PTR uId, DWORD_PTR ref_data);
131 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
132 typedef INT (WINAPI *cmp_func_t)(LPCWSTR, LPCWSTR);
134 static inline BOOL is_textW(LPCWSTR str)
136 return str && str != LPSTR_TEXTCALLBACKW;
139 static inline BOOL is_textA(LPCSTR str)
141 return str && str != LPSTR_TEXTCALLBACKA;
144 static inline LPCSTR debugstr_txt(LPCWSTR str)
146 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
147 return debugstr_w(str);
150 static void COMBOEX_DumpItem (CBE_ITEMDATA const *item)
152 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
153 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
154 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
155 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
156 if (item->mask & CBEIF_TEXT)
157 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
161 static void COMBOEX_DumpInput (COMBOBOXEXITEMW const *input)
163 TRACE("input - mask=%08x, iItem=%ld, pszText=%p, cchTM=%d, iImage=%d\n",
164 input->mask, input->iItem, input->pszText, input->cchTextMax,
165 input->iImage);
166 if (input->mask & CBEIF_TEXT)
167 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
168 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
169 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
173 static inline CBE_ITEMDATA *get_item_data(const COMBOEX_INFO *infoPtr, INT index)
175 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
176 index, 0);
179 static inline cmp_func_t get_cmp_func(COMBOEX_INFO const *infoPtr)
181 return infoPtr->dwExtStyle & CBES_EX_CASESENSITIVE ? lstrcmpW : lstrcmpiW;
184 static INT COMBOEX_Notify (const COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
186 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
187 hdr->hwndFrom = infoPtr->hwndSelf;
188 hdr->code = code;
189 if (infoPtr->NtfUnicode)
190 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
191 else
192 return SendMessageA (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
196 static INT
197 COMBOEX_NotifyItem (const COMBOEX_INFO *infoPtr, UINT code, NMCOMBOBOXEXW *hdr)
199 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
200 if (infoPtr->NtfUnicode)
201 return COMBOEX_Notify (infoPtr, code, &hdr->hdr);
202 else {
203 LPWSTR wstr = hdr->ceItem.pszText;
204 LPSTR astr = 0;
205 INT ret, len = 0;
207 if ((hdr->ceItem.mask & CBEIF_TEXT) && is_textW(wstr)) {
208 len = WideCharToMultiByte (CP_ACP, 0, wstr, -1, 0, 0, NULL, NULL);
209 if (len > 0) {
210 astr = Alloc ((len + 1)*sizeof(CHAR));
211 if (!astr) return 0;
212 WideCharToMultiByte (CP_ACP, 0, wstr, -1, astr, len, 0, 0);
213 hdr->ceItem.pszText = (LPWSTR)astr;
217 if (code == CBEN_ENDEDITW) code = CBEN_ENDEDITA;
218 else if (code == CBEN_GETDISPINFOW) code = CBEN_GETDISPINFOA;
219 else if (code == CBEN_DRAGBEGINW) code = CBEN_DRAGBEGINA;
221 ret = COMBOEX_Notify (infoPtr, code, (NMHDR *)hdr);
223 if (astr && hdr->ceItem.pszText == (LPWSTR)astr)
224 hdr->ceItem.pszText = wstr;
226 Free(astr);
228 return ret;
233 static INT COMBOEX_NotifyEndEdit (const COMBOEX_INFO *infoPtr, NMCBEENDEDITW *neew, LPCWSTR wstr)
235 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
236 if (infoPtr->NtfUnicode) {
237 lstrcpynW(neew->szText, wstr, CBEMAXSTRLEN);
238 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITW, &neew->hdr);
239 } else {
240 NMCBEENDEDITA neea;
242 neea.hdr = neew->hdr;
243 neea.fChanged = neew->fChanged;
244 neea.iNewSelection = neew->iNewSelection;
245 WideCharToMultiByte (CP_ACP, 0, wstr, -1, neea.szText, CBEMAXSTRLEN, 0, 0);
246 neea.iWhy = neew->iWhy;
248 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITA, &neea.hdr);
253 static void COMBOEX_NotifyDragBegin(const COMBOEX_INFO *infoPtr, LPCWSTR wstr)
255 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
256 if (infoPtr->NtfUnicode) {
257 NMCBEDRAGBEGINW ndbw;
259 ndbw.iItemid = -1;
260 lstrcpynW(ndbw.szText, wstr, CBEMAXSTRLEN);
261 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINW, &ndbw.hdr);
262 } else {
263 NMCBEDRAGBEGINA ndba;
265 ndba.iItemid = -1;
266 WideCharToMultiByte (CP_ACP, 0, wstr, -1, ndba.szText, CBEMAXSTRLEN, 0, 0);
268 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINA, &ndba.hdr);
273 static void COMBOEX_FreeText (CBE_ITEMDATA *item)
275 if (is_textW(item->pszText)) Free(item->pszText);
276 item->pszText = 0;
277 Free(item->pszTemp);
278 item->pszTemp = 0;
282 static INT COMBOEX_GetIndex(COMBOEX_INFO const *infoPtr, CBE_ITEMDATA const *item)
284 CBE_ITEMDATA const *moving;
285 INT index;
287 moving = infoPtr->items;
288 index = infoPtr->nb_items - 1;
290 while (moving && (moving != item)) {
291 moving = moving->next;
292 index--;
294 if (!moving || (index < 0)) {
295 ERR("COMBOBOXEX item structures broken. Please report!\n");
296 return -1;
298 return index;
302 static LPCWSTR COMBOEX_GetText(const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
304 NMCOMBOBOXEXW nmce;
305 LPWSTR text, buf;
306 INT len;
308 if (item->pszText != LPSTR_TEXTCALLBACKW)
309 return item->pszText;
311 ZeroMemory(&nmce, sizeof(nmce));
312 nmce.ceItem.mask = CBEIF_TEXT;
313 nmce.ceItem.lParam = item->lParam;
314 nmce.ceItem.iItem = COMBOEX_GetIndex(infoPtr, item);
315 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
317 if (is_textW(nmce.ceItem.pszText)) {
318 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
319 buf = Alloc ((len + 1)*sizeof(WCHAR));
320 if (buf)
321 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
322 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
323 COMBOEX_FreeText(item);
324 item->pszText = buf;
325 } else {
326 Free(item->pszTemp);
327 item->pszTemp = buf;
329 text = buf;
330 } else
331 text = nmce.ceItem.pszText;
333 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
334 item->pszText = text;
335 return text;
339 static void COMBOEX_GetComboFontSize (const COMBOEX_INFO *infoPtr, SIZE *size)
341 static const WCHAR strA[] = { 'A', 0 };
342 HFONT nfont, ofont;
343 HDC mydc;
345 mydc = GetDC (0); /* why the entire screen???? */
346 nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
347 ofont = SelectObject (mydc, nfont);
348 GetTextExtentPointW (mydc, strA, 1, size);
349 SelectObject (mydc, ofont);
350 ReleaseDC (0, mydc);
351 TRACE("selected font hwnd=%p, height=%d\n", nfont, size->cy);
355 static void COMBOEX_CopyItem (const CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
357 if (cit->mask & CBEIF_TEXT) {
359 * when given a text buffer actually use that buffer
361 if (cit->pszText) {
362 if (is_textW(item->pszText))
363 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
364 else
365 cit->pszText[0] = 0;
366 } else {
367 cit->pszText = item->pszText;
368 cit->cchTextMax = item->cchTextMax;
371 if (cit->mask & CBEIF_IMAGE)
372 cit->iImage = item->iImage;
373 if (cit->mask & CBEIF_SELECTEDIMAGE)
374 cit->iSelectedImage = item->iSelectedImage;
375 if (cit->mask & CBEIF_OVERLAY)
376 cit->iOverlay = item->iOverlay;
377 if (cit->mask & CBEIF_INDENT)
378 cit->iIndent = item->iIndent;
379 if (cit->mask & CBEIF_LPARAM)
380 cit->lParam = item->lParam;
384 static void COMBOEX_AdjustEditPos (const COMBOEX_INFO *infoPtr)
386 SIZE mysize;
387 INT x, y, w, h, xioff;
388 RECT rect;
390 if (!infoPtr->hwndEdit) return;
392 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
393 IMAGEINFO iinfo;
394 iinfo.rcImage.left = iinfo.rcImage.right = 0;
395 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
396 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
397 } else xioff = 0;
399 GetClientRect (infoPtr->hwndCombo, &rect);
400 InflateRect (&rect, -2, -2);
401 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
403 /* reposition the Edit control based on whether icon exists */
404 COMBOEX_GetComboFontSize (infoPtr, &mysize);
405 TRACE("Combo font x=%d, y=%d\n", mysize.cx, mysize.cy);
406 x = xioff + CBE_STARTOFFSET + 1;
407 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
408 h = mysize.cy + 1;
409 y = rect.bottom - h - 1;
411 TRACE("Combo client (%s), setting Edit to (%d,%d)-(%d,%d)\n",
412 wine_dbgstr_rect(&rect), x, y, x + w, y + h);
413 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
414 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
418 static void COMBOEX_ReSize (const COMBOEX_INFO *infoPtr)
420 SIZE mysize;
421 LONG cy;
422 IMAGEINFO iinfo;
424 COMBOEX_GetComboFontSize (infoPtr, &mysize);
425 cy = mysize.cy + CBE_EXTRA;
426 if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
427 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
428 TRACE("upgraded height due to image: height=%d\n", cy);
430 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, -1, cy);
431 if (infoPtr->hwndCombo) {
432 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT, 0, cy);
433 if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
434 RECT comboRect, ourRect;
435 GetWindowRect(infoPtr->hwndCombo, &comboRect);
436 GetWindowRect(infoPtr->hwndSelf, &ourRect);
437 if (comboRect.bottom > ourRect.bottom)
438 SetWindowPos( infoPtr->hwndSelf, 0, 0, 0, ourRect.right - ourRect.left,
439 comboRect.bottom - comboRect.top,
440 SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
446 static void COMBOEX_SetEditText (const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
448 if (!infoPtr->hwndEdit) return;
450 if (item->mask & CBEIF_TEXT) {
451 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
452 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
453 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
458 static CBE_ITEMDATA * COMBOEX_FindItem(const COMBOEX_INFO *infoPtr, INT_PTR index)
460 CBE_ITEMDATA *item;
461 INT i;
463 if ((index >= infoPtr->nb_items) || (index < -1))
464 return 0;
465 if (index == -1)
466 return infoPtr->edit;
467 item = infoPtr->items;
468 i = infoPtr->nb_items - 1;
470 /* find the item in the list */
471 while (item && (i > index)) {
472 item = item->next;
473 i--;
475 if (!item || (i != index)) {
476 ERR("COMBOBOXEX item structures broken. Please report!\n");
477 return 0;
479 return item;
482 /* *** CBEM_xxx message support *** */
484 static UINT COMBOEX_GetListboxText(const COMBOEX_INFO *infoPtr, INT_PTR n, LPWSTR buf)
486 CBE_ITEMDATA *item;
487 LPCWSTR str;
489 item = COMBOEX_FindItem(infoPtr, n);
490 if (!item)
491 return 0;
493 str = COMBOEX_GetText(infoPtr, item);
494 if (!str)
496 if (buf)
498 if (infoPtr->unicode)
499 buf[0] = 0;
500 else
501 *((LPSTR)buf) = 0;
503 return 0;
506 if (infoPtr->unicode)
508 if (buf)
509 lstrcpyW(buf, str);
510 return lstrlenW(str);
512 else
514 UINT r;
515 r = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buf, 0x40000000, NULL, NULL);
516 if (r) r--;
517 return r;
522 static INT COMBOEX_DeleteItem (const COMBOEX_INFO *infoPtr, INT_PTR index)
524 TRACE("(index=%ld)\n", index);
526 /* if item number requested does not exist then return failure */
527 if ((index >= infoPtr->nb_items) || (index < 0)) return CB_ERR;
528 if (!COMBOEX_FindItem(infoPtr, index)) return CB_ERR;
530 /* doing this will result in WM_DELETEITEM being issued */
531 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, index, 0);
533 return infoPtr->nb_items;
537 static BOOL COMBOEX_GetItemW (const COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
539 INT_PTR index = cit->iItem;
540 CBE_ITEMDATA *item;
542 TRACE("\n");
544 /* if item number requested does not exist then return failure */
545 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
547 /* if the item is the edit control and there is no edit control, skip */
548 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
550 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
552 COMBOEX_CopyItem (item, cit);
554 return TRUE;
558 static BOOL COMBOEX_GetItemA (const COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
560 COMBOBOXEXITEMW tmpcit;
562 TRACE("\n");
564 tmpcit.mask = cit->mask;
565 tmpcit.iItem = cit->iItem;
566 tmpcit.pszText = 0;
567 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
569 if (cit->mask & CBEIF_TEXT)
571 if (is_textW(tmpcit.pszText) && cit->pszText)
572 WideCharToMultiByte(CP_ACP, 0, tmpcit.pszText, -1,
573 cit->pszText, cit->cchTextMax, NULL, NULL);
574 else if (cit->pszText) cit->pszText[0] = 0;
575 else cit->pszText = (LPSTR)tmpcit.pszText;
578 if (cit->mask & CBEIF_IMAGE)
579 cit->iImage = tmpcit.iImage;
580 if (cit->mask & CBEIF_SELECTEDIMAGE)
581 cit->iSelectedImage = tmpcit.iSelectedImage;
582 if (cit->mask & CBEIF_OVERLAY)
583 cit->iOverlay = tmpcit.iOverlay;
584 if (cit->mask & CBEIF_INDENT)
585 cit->iIndent = tmpcit.iIndent;
586 if (cit->mask & CBEIF_LPARAM)
587 cit->lParam = tmpcit.lParam;
589 return TRUE;
593 static inline BOOL COMBOEX_HasEditChanged (COMBOEX_INFO const *infoPtr)
595 return infoPtr->hwndEdit && (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
599 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW const *cit)
601 INT_PTR index;
602 CBE_ITEMDATA *item;
603 NMCOMBOBOXEXW nmcit;
605 TRACE("\n");
607 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
609 /* get real index of item to insert */
610 index = cit->iItem;
611 if (index == -1) index = infoPtr->nb_items;
612 if (index > infoPtr->nb_items) return -1;
614 /* get zero-filled space and chain it in */
615 if(!(item = Alloc (sizeof(*item)))) return -1;
617 /* locate position to insert new item in */
618 if (index == infoPtr->nb_items) {
619 /* fast path for iItem = -1 */
620 item->next = infoPtr->items;
621 infoPtr->items = item;
623 else {
624 INT i = infoPtr->nb_items-1;
625 CBE_ITEMDATA *moving = infoPtr->items;
627 while ((i > index) && moving) {
628 moving = moving->next;
629 i--;
631 if (!moving) {
632 ERR("COMBOBOXEX item structures broken. Please report!\n");
633 Free(item);
634 return -1;
636 item->next = moving->next;
637 moving->next = item;
640 /* fill in our hidden item structure */
641 item->mask = cit->mask;
642 if (item->mask & CBEIF_TEXT) {
643 INT len = 0;
645 if (is_textW(cit->pszText)) len = strlenW (cit->pszText);
646 if (len > 0) {
647 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
648 if (!item->pszText) {
649 Free(item);
650 return -1;
652 strcpyW (item->pszText, cit->pszText);
654 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
655 item->pszText = LPSTR_TEXTCALLBACKW;
656 item->cchTextMax = cit->cchTextMax;
658 if (item->mask & CBEIF_IMAGE)
659 item->iImage = cit->iImage;
660 if (item->mask & CBEIF_SELECTEDIMAGE)
661 item->iSelectedImage = cit->iSelectedImage;
662 if (item->mask & CBEIF_OVERLAY)
663 item->iOverlay = cit->iOverlay;
664 if (item->mask & CBEIF_INDENT)
665 item->iIndent = cit->iIndent;
666 if (item->mask & CBEIF_LPARAM)
667 item->lParam = cit->lParam;
668 infoPtr->nb_items++;
670 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
672 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING, cit->iItem, (LPARAM)item);
674 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
675 nmcit.ceItem.mask=~0;
676 COMBOEX_CopyItem (item, &nmcit.ceItem);
677 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
679 return index;
684 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
686 COMBOBOXEXITEMW citW;
687 LPWSTR wstr = NULL;
688 INT ret;
690 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
691 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
692 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
693 wstr = Alloc ((len + 1)*sizeof(WCHAR));
694 if (!wstr) return -1;
695 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
696 citW.pszText = wstr;
698 ret = COMBOEX_InsertItemW(infoPtr, &citW);
700 Free(wstr);
702 return ret;
706 static DWORD
707 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
709 DWORD dwTemp;
711 TRACE("(mask=x%08x, style=0x%08x)\n", mask, style);
713 dwTemp = infoPtr->dwExtStyle;
715 if (mask)
716 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
717 else
718 infoPtr->dwExtStyle = style;
720 /* see if we need to change the word break proc on the edit */
721 if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC)
722 SetPathWordBreakProc(infoPtr->hwndEdit,
723 (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) ? TRUE : FALSE);
725 /* test if the control's appearance has changed */
726 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
727 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
728 /* if state of EX_NOEDITIMAGE changes, invalidate all */
729 TRACE("EX_NOEDITIMAGE state changed to %d\n",
730 infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
731 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
732 COMBOEX_AdjustEditPos (infoPtr);
733 if (infoPtr->hwndEdit)
734 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
737 return dwTemp;
741 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
743 HIMAGELIST himlTemp = infoPtr->himl;
745 TRACE("\n");
747 infoPtr->himl = himl;
749 COMBOEX_ReSize (infoPtr);
750 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
752 /* reposition the Edit control based on whether icon exists */
753 COMBOEX_AdjustEditPos (infoPtr);
754 return himlTemp;
757 static BOOL COMBOEX_SetItemW (const COMBOEX_INFO *infoPtr, const COMBOBOXEXITEMW *cit)
759 INT_PTR index = cit->iItem;
760 CBE_ITEMDATA *item;
762 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
764 /* if item number requested does not exist then return failure */
765 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
767 /* if the item is the edit control and there is no edit control, skip */
768 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
770 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
772 /* add/change stuff to the internal item structure */
773 item->mask |= cit->mask;
774 if (cit->mask & CBEIF_TEXT) {
775 INT len = 0;
777 COMBOEX_FreeText(item);
778 if (is_textW(cit->pszText)) len = strlenW(cit->pszText);
779 if (len > 0) {
780 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
781 if (!item->pszText) return FALSE;
782 strcpyW(item->pszText, cit->pszText);
783 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
784 item->pszText = LPSTR_TEXTCALLBACKW;
785 item->cchTextMax = cit->cchTextMax;
787 if (cit->mask & CBEIF_IMAGE)
788 item->iImage = cit->iImage;
789 if (cit->mask & CBEIF_SELECTEDIMAGE)
790 item->iSelectedImage = cit->iSelectedImage;
791 if (cit->mask & CBEIF_OVERLAY)
792 item->iOverlay = cit->iOverlay;
793 if (cit->mask & CBEIF_INDENT)
794 item->iIndent = cit->iIndent;
795 if (cit->mask & CBEIF_LPARAM)
796 item->lParam = cit->lParam;
798 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
800 /* if original request was to update edit control, do some fast foot work */
801 if (cit->iItem == -1 && cit->mask & CBEIF_TEXT) {
802 COMBOEX_SetEditText (infoPtr, item);
803 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
805 return TRUE;
808 static BOOL COMBOEX_SetItemA (const COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
810 COMBOBOXEXITEMW citW;
811 LPWSTR wstr = NULL;
812 BOOL ret;
814 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
815 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
816 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
817 wstr = Alloc ((len + 1)*sizeof(WCHAR));
818 if (!wstr) return FALSE;
819 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
820 citW.pszText = wstr;
822 ret = COMBOEX_SetItemW(infoPtr, &citW);
824 Free(wstr);
826 return ret;
830 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
832 BOOL bTemp = infoPtr->unicode;
834 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
836 infoPtr->unicode = value;
838 return bTemp;
842 /* *** CB_xxx message support *** */
844 static INT
845 COMBOEX_FindStringExact (const COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
847 INT i;
848 cmp_func_t cmptext = get_cmp_func(infoPtr);
849 INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
851 /* now search from after starting loc and wrapping back to start */
852 for(i=start+1; i<count; i++) {
853 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
854 if ((LRESULT)item == CB_ERR) continue;
855 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
857 for(i=0; i<=start; i++) {
858 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
859 if ((LRESULT)item == CB_ERR) continue;
860 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
862 return CB_ERR;
866 static DWORD_PTR COMBOEX_GetItemData (const COMBOEX_INFO *infoPtr, INT_PTR index)
868 CBE_ITEMDATA const *item1;
869 CBE_ITEMDATA const *item2;
870 DWORD_PTR ret = 0;
872 item1 = get_item_data(infoPtr, index);
873 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
874 item2 = COMBOEX_FindItem (infoPtr, index);
875 if (item2 != item1) {
876 ERR("data structures damaged!\n");
877 return CB_ERR;
879 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
880 TRACE("returning 0x%08lx\n", ret);
881 } else {
882 ret = (DWORD_PTR)item1;
883 TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
885 return ret;
889 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT_PTR index)
891 CBE_ITEMDATA *item;
892 INT sel;
894 if (!(item = COMBOEX_FindItem(infoPtr, index)))
895 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
897 TRACE("selecting item %ld text=%s\n", index, debugstr_txt(item->pszText));
898 infoPtr->selected = index;
900 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
901 COMBOEX_SetEditText (infoPtr, item);
902 return sel;
906 static DWORD_PTR COMBOEX_SetItemData (const COMBOEX_INFO *infoPtr, INT_PTR index, DWORD_PTR data)
908 CBE_ITEMDATA *item1;
909 CBE_ITEMDATA const *item2;
911 item1 = get_item_data(infoPtr, index);
912 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
913 item2 = COMBOEX_FindItem (infoPtr, index);
914 if (item2 != item1) {
915 ERR("data structures damaged!\n");
916 return CB_ERR;
918 item1->mask |= CBEIF_LPARAM;
919 item1->lParam = data;
920 TRACE("setting lparam to 0x%08lx\n", data);
921 return 0;
923 TRACE("non-valid result from combo %p\n", item1);
924 return (DWORD_PTR)item1;
928 static INT COMBOEX_SetItemHeight (COMBOEX_INFO const *infoPtr, INT index, UINT height)
930 RECT cb_wrect, cbx_wrect, cbx_crect;
932 /* First, lets forward the message to the normal combo control
933 just like Windows. */
934 if (infoPtr->hwndCombo)
935 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
936 index, height) == CB_ERR) return CB_ERR;
938 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
939 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
940 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
941 /* the height of comboex as height of the combo + comboex border */
942 height = cb_wrect.bottom-cb_wrect.top
943 + cbx_wrect.bottom-cbx_wrect.top
944 - (cbx_crect.bottom-cbx_crect.top);
945 TRACE("EX window=(%s), client=(%s)\n",
946 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
947 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
948 wine_dbgstr_rect(&cbx_wrect), cbx_wrect.right-cbx_wrect.left, height);
949 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
950 cbx_wrect.right-cbx_wrect.left, height,
951 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
953 return 0;
957 /* *** WM_xxx message support *** */
960 static LRESULT COMBOEX_Create (HWND hwnd, CREATESTRUCTA const *cs)
962 static const WCHAR NIL[] = { 0 };
963 COMBOEX_INFO *infoPtr;
964 LOGFONTW mylogfont;
965 RECT win_rect;
966 INT i;
968 /* allocate memory for info structure */
969 infoPtr = Alloc (sizeof(COMBOEX_INFO));
970 if (!infoPtr) return -1;
972 /* initialize info structure */
973 /* note that infoPtr is allocated zero-filled */
975 infoPtr->hwndSelf = hwnd;
976 infoPtr->selected = -1;
978 infoPtr->unicode = IsWindowUnicode (hwnd);
979 infoPtr->hwndNotify = cs->hwndParent;
981 i = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
982 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
983 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
984 i = NFR_ANSI;
986 infoPtr->NtfUnicode = (i == NFR_UNICODE);
988 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
990 if (TRACE_ON(comboex)) {
991 RECT client, rect;
992 GetWindowRect(hwnd, &rect);
993 GetClientRect(hwnd, &client);
994 TRACE("EX window=(%s), client=(%s)\n",
995 wine_dbgstr_rect(&rect), wine_dbgstr_rect(&client));
998 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
999 /* specified. It then creates it's own version of the EDIT control */
1000 /* and makes the ComboBox the parent. This is because a normal */
1001 /* DROPDOWNLIST does not have an EDIT control, but we need one. */
1002 /* We also need to place the edit control at the proper location */
1003 /* (allow space for the icons). */
1005 infoPtr->hwndCombo = CreateWindowW (WC_COMBOBOXW, NIL,
1006 /* following line added to match native */
1007 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
1008 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
1009 /* was base and is necessary */
1010 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
1011 GetWindowLongW (hwnd, GWL_STYLE),
1012 cs->y, cs->x, cs->cx, cs->cy, hwnd,
1013 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1014 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1017 * native does the following at this point according to trace:
1018 * GetWindowThreadProcessId(hwndCombo,0)
1019 * GetCurrentThreadId()
1020 * GetWindowThreadProcessId(hwndCombo, &???)
1021 * GetCurrentProcessId()
1024 SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID,
1025 (DWORD_PTR)hwnd);
1026 infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1029 * Now create our own EDIT control so we can position it.
1030 * It is created only for CBS_DROPDOWN style
1032 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
1033 infoPtr->hwndEdit = CreateWindowExW (0, WC_EDITW, NIL,
1034 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
1035 0, 0, 0, 0, /* will set later */
1036 infoPtr->hwndCombo,
1037 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1038 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1040 /* native does the following at this point according to trace:
1041 * GetWindowThreadProcessId(hwndEdit,0)
1042 * GetCurrentThreadId()
1043 * GetWindowThreadProcessId(hwndEdit, &???)
1044 * GetCurrentProcessId()
1046 SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID,
1047 (DWORD_PTR)hwnd);
1049 infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1053 * Locate the default font if necessary and then set it in
1054 * all associated controls
1056 if (!infoPtr->font) {
1057 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1058 &mylogfont, 0);
1059 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1061 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1062 if (infoPtr->hwndEdit) {
1063 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1064 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, EC_USEFONTINFO, 0);
1067 COMBOEX_ReSize (infoPtr);
1069 /* Above is fairly certain, below is much less certain. */
1071 GetWindowRect(hwnd, &win_rect);
1073 if (TRACE_ON(comboex)) {
1074 RECT client, rect;
1075 GetClientRect(hwnd, &client);
1076 GetWindowRect(infoPtr->hwndCombo, &rect);
1077 TRACE("EX window=(%s) client=(%s) CB wnd=(%s)\n",
1078 wine_dbgstr_rect(&win_rect), wine_dbgstr_rect(&client),
1079 wine_dbgstr_rect(&rect));
1081 SetWindowPos(infoPtr->hwndCombo, HWND_TOP, 0, 0,
1082 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1083 SWP_NOACTIVATE | SWP_NOREDRAW);
1085 GetWindowRect(infoPtr->hwndCombo, &win_rect);
1086 TRACE("CB window=(%s)\n", wine_dbgstr_rect(&win_rect));
1087 SetWindowPos(hwnd, HWND_TOP, 0, 0,
1088 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1089 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1091 COMBOEX_AdjustEditPos (infoPtr);
1094 * Create an item structure to represent the data in the
1095 * EDIT control. It is allocated zero-filled.
1097 infoPtr->edit = Alloc (sizeof (CBE_ITEMDATA));
1098 if (!infoPtr->edit) {
1099 COMBOEX_Destroy(infoPtr);
1100 return -1;
1103 return 0;
1107 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam)
1109 LRESULT lret;
1110 INT command = HIWORD(wParam);
1111 CBE_ITEMDATA *item = 0;
1112 WCHAR wintext[520];
1113 INT cursel, n;
1114 INT_PTR oldItem;
1115 NMCBEENDEDITW cbeend;
1116 DWORD oldflags;
1117 HWND parent = infoPtr->hwndNotify;
1119 TRACE("for command %d\n", command);
1121 switch (command)
1123 case CBN_DROPDOWN:
1124 SetFocus (infoPtr->hwndCombo);
1125 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1126 infoPtr->flags |= WCBE_ACTEDIT;
1127 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1128 case CBN_CLOSEUP:
1129 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1131 * from native trace of first dropdown after typing in URL in IE4
1132 * CB_GETCURSEL(Combo)
1133 * GetWindowText(Edit)
1134 * CB_GETCURSEL(Combo)
1135 * CB_GETCOUNT(Combo)
1136 * CB_GETITEMDATA(Combo, n)
1137 * WM_NOTIFY(parent, CBEN_ENDEDITA|W)
1138 * CB_GETCURSEL(Combo)
1139 * CB_SETCURSEL(COMBOEX, n)
1140 * SetFocus(Combo)
1141 * the rest is supposition
1143 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1144 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1145 if (infoPtr->hwndEdit) InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1146 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1147 if (cursel == -1) {
1148 cmp_func_t cmptext = get_cmp_func(infoPtr);
1149 /* find match from edit against those in Combobox */
1150 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1151 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1152 for (cursel = 0; cursel < n; cursel++){
1153 item = get_item_data(infoPtr, cursel);
1154 if ((INT_PTR)item == CB_ERR) break;
1155 if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1157 if ((cursel == n) || ((INT_PTR)item == CB_ERR)) {
1158 TRACE("failed to find match??? item=%p cursel=%d\n",
1159 item, cursel);
1160 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1161 return 0;
1164 else {
1165 item = get_item_data(infoPtr, cursel);
1166 if ((INT_PTR)item == CB_ERR) {
1167 TRACE("failed to find match??? item=%p cursel=%d\n",
1168 item, cursel);
1169 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1170 return 0;
1174 /* Save flags for testing and reset them */
1175 oldflags = infoPtr->flags;
1176 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1178 if (oldflags & WCBE_ACTEDIT) {
1179 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1180 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1181 CB_GETCURSEL, 0, 0);
1182 cbeend.iWhy = CBENF_DROPDOWN;
1184 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1187 /* if selection has changed the set the new current selection */
1188 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1189 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1190 infoPtr->selected = cursel;
1191 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1192 SetFocus(infoPtr->hwndCombo);
1194 return 0;
1196 case CBN_SELCHANGE:
1198 * CB_GETCURSEL(Combo)
1199 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1200 * lstrlenA
1201 * WM_SETTEXT(Edit)
1202 * WM_GETTEXTLENGTH(Edit)
1203 * WM_GETTEXT(Edit)
1204 * EM_SETSEL(Edit, 0,0)
1205 * WM_GETTEXTLENGTH(Edit)
1206 * WM_GETTEXT(Edit)
1207 * EM_SETSEL(Edit, 0,len)
1208 * return WM_COMMAND to parent
1210 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1211 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1212 ERR("item %ld not found. Problem!\n", oldItem);
1213 break;
1215 infoPtr->selected = oldItem;
1216 COMBOEX_SetEditText (infoPtr, item);
1217 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1219 case CBN_SELENDOK:
1220 case CBN_SELENDCANCEL:
1222 * We have to change the handle since we are the control
1223 * issuing the message. IE4 depends on this.
1225 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1227 case CBN_KILLFOCUS:
1229 * from native trace:
1231 * pass to parent
1232 * WM_GETTEXT(Edit, 104)
1233 * CB_GETCURSEL(Combo) rets -1
1234 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1235 * CB_GETCURSEL(Combo)
1236 * InvalidateRect(Combo, 0, 0)
1237 * return 0
1239 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1240 if (infoPtr->flags & WCBE_ACTEDIT) {
1241 GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1242 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1243 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1244 CB_GETCURSEL, 0, 0);
1245 cbeend.iWhy = CBENF_KILLFOCUS;
1247 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1248 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1250 /* possible CB_GETCURSEL */
1251 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1252 return 0;
1254 case CBN_SETFOCUS:
1255 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1257 default:
1259 * We have to change the handle since we are the control
1260 * issuing the message. IE4 depends on this.
1261 * We also need to set the focus back to the Edit control
1262 * after passing the command to the parent of the ComboEx.
1264 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1265 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1266 return lret;
1268 return 0;
1272 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1274 CBE_ITEMDATA *item, *olditem;
1275 NMCOMBOBOXEXW nmcit;
1276 UINT i;
1278 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1279 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1281 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1283 olditem = infoPtr->items;
1284 i = infoPtr->nb_items - 1;
1286 if (i == dis->itemID) {
1287 infoPtr->items = infoPtr->items->next;
1289 else {
1290 item = olditem;
1291 i--;
1293 /* find the prior item in the list */
1294 while (item->next && (i > dis->itemID)) {
1295 item = item->next;
1296 i--;
1298 if (!item->next || (i != dis->itemID)) {
1299 ERR("COMBOBOXEX item structures broken. Please report!\n");
1300 return FALSE;
1302 olditem = item->next;
1303 item->next = item->next->next;
1305 infoPtr->nb_items--;
1307 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1308 nmcit.ceItem.mask=~0;
1309 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1310 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1312 COMBOEX_FreeText(olditem);
1313 Free(olditem);
1315 return TRUE;
1319 static LRESULT COMBOEX_DrawItem (const COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1321 static const WCHAR nil[] = { 0 };
1322 CBE_ITEMDATA *item = 0;
1323 SIZE txtsize;
1324 RECT rect;
1325 LPCWSTR str = nil;
1326 UINT xbase, x, y;
1327 INT len;
1328 COLORREF nbkc, ntxc, bkc, txc;
1329 int drawimage, drawstate, xioff;
1331 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1332 dis->CtlType, dis->CtlID);
1333 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1334 dis->itemID, dis->itemAction, dis->itemState);
1335 TRACE("hWnd=%p hDC=%p (%s) itemData=0x%08lx\n",
1336 dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1338 /* MSDN says: */
1339 /* "itemID - Specifies the menu item identifier for a menu */
1340 /* item or the index of the item in a list box or combo box. */
1341 /* For an empty list box or combo box, this member can be -1. */
1342 /* This allows the application to draw only the focus */
1343 /* rectangle at the coordinates specified by the rcItem */
1344 /* member even though there are no items in the control. */
1345 /* This indicates to the user whether the list box or combo */
1346 /* box has the focus. How the bits are set in the itemAction */
1347 /* member determines whether the rectangle is to be drawn as */
1348 /* though the list box or combo box has the focus. */
1349 if (dis->itemID == 0xffffffff) {
1350 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1351 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1353 TRACE("drawing item -1 special focus, rect=(%s)\n",
1354 wine_dbgstr_rect(&dis->rcItem));
1356 else if ((dis->CtlType == ODT_COMBOBOX) &&
1357 (dis->itemAction == ODA_DRAWENTIRE)) {
1358 /* draw of edit control data */
1360 if (TRACE_ON(comboex)) {
1361 RECT exrc, cbrc, edrc;
1362 GetWindowRect (infoPtr->hwndSelf, &exrc);
1363 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1364 edrc.left = edrc.top = edrc.right = edrc.bottom = -1;
1365 if (infoPtr->hwndEdit) GetWindowRect (infoPtr->hwndEdit, &edrc);
1366 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1367 wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1368 wine_dbgstr_rect(&edrc));
1371 else {
1372 ERR("NOT drawing item -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1373 wine_dbgstr_rect(&dis->rcItem),
1374 dis->itemAction, dis->itemState);
1375 return 0;
1379 /* If draw item is -1 (edit control) setup the item pointer */
1380 if (dis->itemID == 0xffffffff) {
1381 item = infoPtr->edit;
1383 if (infoPtr->hwndEdit) {
1384 INT len;
1386 /* free previous text of edit item */
1387 COMBOEX_FreeText(item);
1388 item->mask &= ~CBEIF_TEXT;
1389 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1390 item->mask |= CBEIF_TEXT;
1391 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
1392 if (item->pszText)
1393 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1395 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1396 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1402 /* if the item pointer is not set, then get the data and locate it */
1403 if (!item) {
1404 item = get_item_data(infoPtr, dis->itemID);
1405 if (item == (CBE_ITEMDATA *)CB_ERR) {
1406 ERR("invalid item for id %d\n", dis->itemID);
1407 return 0;
1411 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1413 xbase = CBE_STARTOFFSET;
1414 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1415 INT indent = item->iIndent;
1416 if (indent == I_INDENTCALLBACK) {
1417 NMCOMBOBOXEXW nmce;
1418 ZeroMemory(&nmce, sizeof(nmce));
1419 nmce.ceItem.mask = CBEIF_INDENT;
1420 nmce.ceItem.lParam = item->lParam;
1421 nmce.ceItem.iItem = dis->itemID;
1422 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1423 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1424 item->iIndent = nmce.ceItem.iIndent;
1425 indent = nmce.ceItem.iIndent;
1427 xbase += (indent * CBE_INDENT);
1430 drawimage = -2;
1431 drawstate = ILD_NORMAL;
1432 if (item->mask & CBEIF_IMAGE)
1433 drawimage = item->iImage;
1434 if (dis->itemState & ODS_COMBOEXLBOX) {
1435 /* drawing listbox entry */
1436 if (dis->itemState & ODS_SELECTED) {
1437 if (item->mask & CBEIF_SELECTEDIMAGE)
1438 drawimage = item->iSelectedImage;
1439 drawstate = ILD_SELECTED;
1441 } else {
1442 /* drawing combo/edit entry */
1443 if (IsWindowVisible(infoPtr->hwndEdit)) {
1444 /* if we have an edit control, the slave the
1445 * selection state to the Edit focus state
1447 if (infoPtr->flags & WCBE_EDITFOCUSED) {
1448 if (item->mask & CBEIF_SELECTEDIMAGE)
1449 drawimage = item->iSelectedImage;
1450 drawstate = ILD_SELECTED;
1452 } else {
1453 /* if we don't have an edit control, use
1454 * the requested state.
1456 if (dis->itemState & ODS_SELECTED) {
1457 if (item->mask & CBEIF_SELECTEDIMAGE)
1458 drawimage = item->iSelectedImage;
1459 drawstate = ILD_SELECTED;
1464 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1465 IMAGEINFO iinfo;
1466 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1467 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1468 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1469 } else xioff = 0;
1471 /* setup pointer to text to be drawn */
1472 str = COMBOEX_GetText(infoPtr, item);
1473 if (!str) str = nil;
1475 len = strlenW (str);
1476 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1478 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1479 int overlay = item->iOverlay;
1481 if (drawimage == I_IMAGECALLBACK) {
1482 NMCOMBOBOXEXW nmce;
1483 ZeroMemory(&nmce, sizeof(nmce));
1484 nmce.ceItem.mask = (drawstate == ILD_NORMAL) ? CBEIF_IMAGE : CBEIF_SELECTEDIMAGE;
1485 nmce.ceItem.lParam = item->lParam;
1486 nmce.ceItem.iItem = dis->itemID;
1487 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1488 if (drawstate == ILD_NORMAL) {
1489 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1490 drawimage = nmce.ceItem.iImage;
1491 } else if (drawstate == ILD_SELECTED) {
1492 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1493 drawimage = nmce.ceItem.iSelectedImage;
1494 } else ERR("Bad draw state = %d\n", drawstate);
1497 if (overlay == I_IMAGECALLBACK) {
1498 NMCOMBOBOXEXW nmce;
1499 ZeroMemory(&nmce, sizeof(nmce));
1500 nmce.ceItem.mask = CBEIF_OVERLAY;
1501 nmce.ceItem.lParam = item->lParam;
1502 nmce.ceItem.iItem = dis->itemID;
1503 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1504 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1505 item->iOverlay = nmce.ceItem.iOverlay;
1506 overlay = nmce.ceItem.iOverlay;
1509 if (drawimage >= 0 &&
1510 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1511 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1512 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1513 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1516 /* now draw the text */
1517 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1518 nbkc = (dis->itemState & ODS_SELECTED) ?
1519 comctl32_color.clrHighlight : comctl32_color.clrWindow;
1520 bkc = SetBkColor (dis->hDC, nbkc);
1521 ntxc = (dis->itemState & ODS_SELECTED) ?
1522 comctl32_color.clrHighlightText : comctl32_color.clrWindowText;
1523 txc = SetTextColor (dis->hDC, ntxc);
1524 x = xbase + xioff;
1525 y = dis->rcItem.top +
1526 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1527 rect.left = x;
1528 rect.right = x + txtsize.cx;
1529 rect.top = dis->rcItem.top + 1;
1530 rect.bottom = dis->rcItem.bottom - 1;
1531 TRACE("drawing item %d text, rect=(%s)\n",
1532 dis->itemID, wine_dbgstr_rect(&rect));
1533 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1534 &rect, str, len, 0);
1535 SetBkColor (dis->hDC, bkc);
1536 SetTextColor (dis->hDC, txc);
1540 if (dis->itemAction & ODA_FOCUS) {
1541 rect.left = xbase + xioff - 1;
1542 rect.right = rect.left + txtsize.cx + 2;
1543 rect.top = dis->rcItem.top;
1544 rect.bottom = dis->rcItem.bottom;
1545 DrawFocusRect(dis->hDC, &rect);
1548 return 0;
1552 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1554 if (infoPtr->items)
1556 CBE_ITEMDATA *item, *next;
1558 item = infoPtr->items;
1559 while (item) {
1560 next = item->next;
1561 COMBOEX_FreeText (item);
1562 Free (item);
1563 item = next;
1565 infoPtr->items = 0;
1568 infoPtr->selected = -1;
1569 infoPtr->nb_items = 0;
1573 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1575 if (infoPtr->hwndCombo)
1576 RemoveWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
1578 if (infoPtr->hwndEdit)
1579 RemoveWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
1581 COMBOEX_FreeText (infoPtr->edit);
1582 Free (infoPtr->edit);
1583 infoPtr->edit = 0;
1585 COMBOEX_ResetContent (infoPtr);
1587 if (infoPtr->defaultFont)
1588 DeleteObject (infoPtr->defaultFont);
1590 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1592 /* free comboex info data */
1593 Free (infoPtr);
1595 return 0;
1599 static LRESULT COMBOEX_Enable (COMBOEX_INFO *infoPtr, BOOL enable)
1601 TRACE("hwnd=%p, enable=%s\n", infoPtr->hwndSelf, enable ? "TRUE":"FALSE");
1603 if (infoPtr->hwndEdit)
1604 EnableWindow(infoPtr->hwndEdit, enable);
1606 EnableWindow(infoPtr->hwndCombo, enable);
1608 /* Force the control to repaint when the enabled state changes. */
1609 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1611 return 1;
1615 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO const *infoPtr, MEASUREITEMSTRUCT *mis)
1617 static const WCHAR strW[] = { 'W', 0 };
1618 SIZE mysize;
1619 HDC hdc;
1621 hdc = GetDC (0);
1622 GetTextExtentPointW (hdc, strW, 1, &mysize);
1623 ReleaseDC (0, hdc);
1624 mis->itemHeight = mysize.cy + CBE_EXTRA;
1626 TRACE("adjusted height hwnd=%p, height=%d\n",
1627 infoPtr->hwndSelf, mis->itemHeight);
1629 return 0;
1633 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1635 /* WARNING: The COMBOEX_INFO structure is not yet created */
1636 DWORD oldstyle, newstyle;
1638 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1639 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL | WS_BORDER);
1640 if (newstyle != oldstyle) {
1641 TRACE("req style %08x, resetting style %08x\n",
1642 oldstyle, newstyle);
1643 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1645 return 1;
1649 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1651 if (lParam == NF_REQUERY) {
1652 INT i = SendMessageW(infoPtr->hwndNotify,
1653 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1654 infoPtr->NtfUnicode = (i == NFR_UNICODE) ? 1 : 0;
1656 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1660 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1662 TRACE("(width=%d, height=%d)\n", width, height);
1664 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1666 COMBOEX_AdjustEditPos (infoPtr);
1668 return 0;
1672 static LRESULT COMBOEX_SetRedraw(const COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1674 LRESULT ret = DefWindowProcW( infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam );
1675 if (wParam) RedrawWindow( infoPtr->hwndSelf, NULL, 0, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN );
1676 return ret;
1680 static LRESULT COMBOEX_WindowPosChanging (const COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1682 RECT cbx_wrect, cbx_crect, cb_wrect;
1683 INT width, height;
1685 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1686 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1687 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1689 /* width is winpos value + border width of comboex */
1690 width = wp->cx
1691 + (cbx_wrect.right-cbx_wrect.left)
1692 - (cbx_crect.right-cbx_crect.left);
1694 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1695 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1696 TRACE("EX window=(%s), client=(%s)\n",
1697 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1698 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
1699 wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1701 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1702 width,
1703 cb_wrect.bottom-cb_wrect.top,
1704 SWP_NOACTIVATE);
1706 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1708 /* height is combo window height plus border width of comboex */
1709 height = (cb_wrect.bottom-cb_wrect.top)
1710 + (cbx_wrect.bottom-cbx_wrect.top)
1711 - (cbx_crect.bottom-cbx_crect.top);
1712 wp->cy = height;
1713 if (infoPtr->hwndEdit) {
1714 COMBOEX_AdjustEditPos (infoPtr);
1715 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1718 return 0;
1721 static LRESULT CALLBACK
1722 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1723 UINT_PTR uId, DWORD_PTR ref_data)
1725 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1726 NMCBEENDEDITW cbeend;
1727 WCHAR edit_text[260];
1728 COLORREF obkc;
1729 HDC hDC;
1730 RECT rect;
1731 LRESULT lret;
1733 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1734 hwnd, uMsg, wParam, lParam, infoPtr);
1736 if (!infoPtr) return 0;
1738 switch (uMsg)
1741 case WM_CHAR:
1742 /* handle (ignore) the return character */
1743 if (wParam == VK_RETURN) return 0;
1744 /* all other characters pass into the real Edit */
1745 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1747 case WM_ERASEBKGND:
1749 * The following was determined by traces of the native
1751 hDC = (HDC) wParam;
1752 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1753 GetClientRect (hwnd, &rect);
1754 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1755 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1756 SetBkColor (hDC, obkc);
1757 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1759 case WM_KEYDOWN: {
1760 INT_PTR oldItem, selected;
1761 CBE_ITEMDATA *item;
1763 switch ((INT)wParam)
1765 case VK_ESCAPE:
1766 /* native version seems to do following for COMBOEX */
1768 * GetWindowTextW(Edit,&?, 0x104) x
1769 * CB_GETCURSEL to Combo rets -1 x
1770 * WM_NOTIFY to COMBOEX parent (rebar) x
1771 * (CBEN_ENDEDIT{A|W}
1772 * fChanged = FALSE x
1773 * inewSelection = -1 x
1774 * txt="www.hoho" x
1775 * iWhy = 3 x
1776 * CB_GETCURSEL to Combo rets -1 x
1777 * InvalidateRect(Combo, 0) x
1778 * WM_SETTEXT to Edit x
1779 * EM_SETSEL to Edit (0,0) x
1780 * EM_SETSEL to Edit (0,-1) x
1781 * RedrawWindow(Combo, 0, 0, 5) x
1783 TRACE("special code for VK_ESCAPE\n");
1785 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1787 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1788 cbeend.fChanged = FALSE;
1789 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1790 CB_GETCURSEL, 0, 0);
1791 cbeend.iWhy = CBENF_ESCAPE;
1793 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1794 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1795 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1796 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1797 ERR("item %ld not found. Problem!\n", oldItem);
1798 break;
1800 infoPtr->selected = oldItem;
1801 COMBOEX_SetEditText (infoPtr, item);
1802 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1803 RDW_INVALIDATE);
1804 break;
1806 case VK_RETURN:
1807 /* native version seems to do following for COMBOEX */
1809 * GetWindowTextW(Edit,&?, 0x104) x
1810 * CB_GETCURSEL to Combo rets -1 x
1811 * CB_GETCOUNT to Combo rets 0
1812 * if >0 loop
1813 * CB_GETITEMDATA to match
1814 * *** above 3 lines simulated by FindItem x
1815 * WM_NOTIFY to COMBOEX parent (rebar) x
1816 * (CBEN_ENDEDIT{A|W} x
1817 * fChanged = TRUE (-1) x
1818 * iNewSelection = -1 or selected x
1819 * txt= x
1820 * iWhy = 2 (CBENF_RETURN) x
1821 * CB_GETCURSEL to Combo rets -1 x
1822 * if -1 send CB_SETCURSEL to Combo -1 x
1823 * InvalidateRect(Combo, 0, 0) x
1824 * SetFocus(Edit) x
1825 * CallWindowProc(406615a8, Edit, 0x100, 0xd, 0x1c0001)
1828 TRACE("special code for VK_RETURN\n");
1830 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1832 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1833 selected = SendMessageW (infoPtr->hwndCombo,
1834 CB_GETCURSEL, 0, 0);
1836 if (selected != -1) {
1837 cmp_func_t cmptext = get_cmp_func(infoPtr);
1838 item = COMBOEX_FindItem (infoPtr, selected);
1839 TRACE("handling VK_RETURN, selected = %ld, selected_text=%s\n",
1840 selected, debugstr_txt(item->pszText));
1841 TRACE("handling VK_RETURN, edittext=%s\n",
1842 debugstr_w(edit_text));
1843 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1844 /* strings not equal -- indicate edit has changed */
1845 selected = -1;
1849 cbeend.iNewSelection = selected;
1850 cbeend.fChanged = TRUE;
1851 cbeend.iWhy = CBENF_RETURN;
1852 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1853 /* abort the change, restore previous */
1854 TRACE("Notify requested abort of change\n");
1855 COMBOEX_SetEditText (infoPtr, infoPtr->edit);
1856 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1857 RDW_INVALIDATE);
1858 return 0;
1860 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1861 if (oldItem != -1) {
1862 /* if something is selected, then deselect it */
1863 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, -1, 0);
1865 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1866 SetFocus(infoPtr->hwndEdit);
1867 break;
1869 case VK_UP:
1870 case VK_DOWN:
1872 INT step = wParam == VK_DOWN ? 1 : -1;
1874 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1875 if (oldItem >= 0 && oldItem + step >= 0)
1876 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1877 return 0;
1879 default:
1880 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1882 return 0;
1885 case WM_SETFOCUS:
1886 /* remember the focus to set state of icon */
1887 lret = DefSubclassProc(hwnd, uMsg, wParam, lParam);
1888 infoPtr->flags |= WCBE_EDITFOCUSED;
1889 return lret;
1891 case WM_KILLFOCUS:
1893 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1895 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1896 if (infoPtr->flags & WCBE_ACTEDIT) {
1897 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1899 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1900 cbeend.fChanged = FALSE;
1901 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1902 CB_GETCURSEL, 0, 0);
1903 cbeend.iWhy = CBENF_KILLFOCUS;
1905 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1907 /* fall through */
1909 default:
1910 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1915 static LRESULT CALLBACK
1916 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1917 UINT_PTR uId, DWORD_PTR ref_data)
1919 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1920 NMCBEENDEDITW cbeend;
1921 NMMOUSE nmmse;
1922 COLORREF obkc;
1923 HDC hDC;
1924 HWND focusedhwnd;
1925 RECT rect;
1926 POINT pt;
1927 WCHAR edit_text[260];
1929 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1930 hwnd, uMsg, wParam, lParam, infoPtr);
1932 if (!infoPtr) return 0;
1934 switch (uMsg)
1937 case WM_DRAWITEM:
1939 * The only way this message should come is from the
1940 * child Listbox issuing the message. Flag this so
1941 * that ComboEx knows this is listbox.
1943 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1944 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1946 case WM_ERASEBKGND:
1948 * The following was determined by traces of the native
1950 hDC = (HDC) wParam;
1951 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1952 GetClientRect (hwnd, &rect);
1953 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1954 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1955 SetBkColor (hDC, obkc);
1956 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1958 case WM_SETCURSOR:
1960 * WM_NOTIFY to comboex parent (rebar)
1961 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1962 * CallWindowProc (previous)
1964 nmmse.dwItemSpec = 0;
1965 nmmse.dwItemData = 0;
1966 nmmse.pt.x = 0;
1967 nmmse.pt.y = 0;
1968 nmmse.dwHitInfo = lParam;
1969 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1970 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1972 case WM_LBUTTONDOWN:
1973 GetClientRect (hwnd, &rect);
1974 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1975 CB_GETITEMHEIGHT, -1, 0);
1976 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1977 pt.x = (short)LOWORD(lParam);
1978 pt.y = (short)HIWORD(lParam);
1979 if (PtInRect(&rect, pt))
1980 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1982 infoPtr->flags |= WCBE_MOUSECAPTURED;
1983 SetCapture(hwnd);
1984 break;
1986 case WM_LBUTTONUP:
1987 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1988 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1990 ReleaseCapture();
1991 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1992 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1993 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1994 } else {
1995 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1997 break;
1999 case WM_MOUSEMOVE:
2000 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
2001 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
2002 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2003 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
2004 infoPtr->flags |= WCBE_MOUSEDRAGGED;
2006 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
2008 case WM_COMMAND:
2009 switch (HIWORD(wParam)) {
2011 case EN_UPDATE:
2012 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
2013 * on the EN_UPDATE
2015 return 0;
2017 case EN_KILLFOCUS:
2019 * Native does:
2021 * GetFocus() retns AA
2022 * GetWindowTextW(Edit)
2023 * CB_GETCURSEL(Combo) (got -1)
2024 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
2025 * CB_GETCURSEL(Combo) (got -1)
2026 * InvalidateRect(Combo, 0, 0)
2027 * WM_KILLFOCUS(Combo, AA)
2028 * return 0;
2030 focusedhwnd = GetFocus();
2031 if (infoPtr->flags & WCBE_ACTEDIT) {
2032 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2033 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
2034 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
2035 CB_GETCURSEL, 0, 0);
2036 cbeend.iWhy = CBENF_KILLFOCUS;
2038 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
2039 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
2041 /* possible CB_GETCURSEL */
2042 InvalidateRect (infoPtr->hwndCombo, 0, 0);
2043 if (focusedhwnd)
2044 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
2045 (WPARAM)focusedhwnd, 0);
2046 return 0;
2048 case EN_SETFOCUS: {
2050 * For EN_SETFOCUS this issues the same calls and messages
2051 * as the native seems to do.
2053 * for some cases however native does the following:
2054 * (noticed after SetFocus during LBUTTONDOWN on
2055 * on dropdown arrow)
2056 * WM_GETTEXTLENGTH (Edit);
2057 * WM_GETTEXT (Edit, len+1, str);
2058 * EM_SETSEL (Edit, 0, 0);
2059 * WM_GETTEXTLENGTH (Edit);
2060 * WM_GETTEXT (Edit, len+1, str);
2061 * EM_SETSEL (Edit, 0, len);
2062 * WM_NOTIFY (parent, CBEN_BEGINEDIT)
2064 NMHDR hdr;
2066 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
2067 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
2068 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
2069 infoPtr->flags |= WCBE_ACTEDIT;
2070 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
2071 return 0;
2074 case EN_CHANGE: {
2076 * For EN_CHANGE this issues the same calls and messages
2077 * as the native seems to do.
2079 WCHAR edit_text[260];
2080 LPCWSTR lastwrk;
2081 cmp_func_t cmptext = get_cmp_func(infoPtr);
2083 INT_PTR selected = SendMessageW (infoPtr->hwndCombo,
2084 CB_GETCURSEL, 0, 0);
2086 /* lstrlenW( lastworkingURL ) */
2088 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2089 if (selected == -1) {
2090 lastwrk = infoPtr->edit->pszText;
2092 else {
2093 CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
2094 lastwrk = COMBOEX_GetText(infoPtr, item);
2097 TRACE("handling EN_CHANGE, selected = %ld, selected_text=%s\n",
2098 selected, debugstr_w(lastwrk));
2099 TRACE("handling EN_CHANGE, edittext=%s\n",
2100 debugstr_w(edit_text));
2102 /* cmptext is between lastworkingURL and GetWindowText */
2103 if (cmptext (lastwrk, edit_text)) {
2104 /* strings not equal -- indicate edit has changed */
2105 infoPtr->flags |= WCBE_EDITCHG;
2107 SendMessageW ( infoPtr->hwndNotify, WM_COMMAND,
2108 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
2109 CBN_EDITCHANGE),
2110 (LPARAM)infoPtr->hwndSelf);
2111 return 0;
2114 case LBN_SELCHANGE:
2116 * Therefore from traces there is no additional code here
2120 * Using native COMCTL32 gets the following:
2121 * 1 == SHDOCVW.DLL issues call/message
2122 * 2 == COMCTL32.DLL issues call/message
2123 * 3 == WINE issues call/message
2126 * for LBN_SELCHANGE:
2127 * 1 CB_GETCURSEL(ComboEx)
2128 * 1 CB_GETDROPPEDSTATE(ComboEx)
2129 * 1 CallWindowProc( *2* for WM_COMMAND(LBN_SELCHANGE)
2130 * 2 CallWindowProc( *3* for WM_COMMAND(LBN_SELCHANGE)
2131 ** call CBRollUp( xxx, TRUE for LBN_SELCHANGE, TRUE)
2132 * 3 WM_COMMAND(ComboEx, CBN_SELENDOK)
2133 * WM_USER+49(ComboLB, 1,0) <=============!!!!!!!!!!!
2134 * 3 ShowWindow(ComboLB, SW_HIDE)
2135 * 3 RedrawWindow(Combo, RDW_UPDATENOW)
2136 * 3 WM_COMMAND(ComboEX, CBN_CLOSEUP)
2137 ** end of CBRollUp
2138 * 3 WM_COMMAND(ComboEx, CBN_SELCHANGE) (echo to parent)
2139 * ? LB_GETCURSEL <==|
2140 * ? LB_GETTEXTLEN |
2141 * ? LB_GETTEXT | Needs to be added to
2142 * ? WM_CTLCOLOREDIT(ComboEx) | Combo processing
2143 * ? LB_GETITEMDATA |
2144 * ? WM_DRAWITEM(ComboEx) <==|
2146 default:
2147 break;
2148 }/* fall through */
2149 default:
2150 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
2152 return 0;
2156 static LRESULT WINAPI
2157 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2159 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
2161 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, uMsg, wParam, lParam);
2163 if (!infoPtr) {
2164 if (uMsg == WM_CREATE)
2165 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2166 if (uMsg == WM_NCCREATE)
2167 COMBOEX_NCCreate (hwnd);
2168 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2171 switch (uMsg)
2173 case CBEM_DELETEITEM:
2174 return COMBOEX_DeleteItem (infoPtr, wParam);
2176 case CBEM_GETCOMBOCONTROL:
2177 return (LRESULT)infoPtr->hwndCombo;
2179 case CBEM_GETEDITCONTROL:
2180 return (LRESULT)infoPtr->hwndEdit;
2182 case CBEM_GETEXTENDEDSTYLE:
2183 return infoPtr->dwExtStyle;
2185 case CBEM_GETIMAGELIST:
2186 return (LRESULT)infoPtr->himl;
2188 case CBEM_GETITEMA:
2189 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2191 case CBEM_GETITEMW:
2192 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2194 case CBEM_GETUNICODEFORMAT:
2195 return infoPtr->unicode;
2197 case CBEM_HASEDITCHANGED:
2198 return COMBOEX_HasEditChanged (infoPtr);
2200 case CBEM_INSERTITEMA:
2201 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2203 case CBEM_INSERTITEMW:
2204 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2206 case CBEM_SETEXSTYLE:
2207 case CBEM_SETEXTENDEDSTYLE:
2208 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2210 case CBEM_SETIMAGELIST:
2211 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2213 case CBEM_SETITEMA:
2214 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2216 case CBEM_SETITEMW:
2217 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2219 case CBEM_SETUNICODEFORMAT:
2220 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2222 /*case CBEM_SETWINDOWTHEME:
2223 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2225 case WM_SETTEXT:
2226 case WM_GETTEXT:
2227 case WM_GETTEXTLENGTH:
2228 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2230 case CB_GETLBTEXT:
2231 return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2233 case CB_GETLBTEXTLEN:
2234 return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2236 case CB_RESETCONTENT:
2237 COMBOEX_ResetContent(infoPtr);
2238 /* fall through */
2240 /* Combo messages we are not sure if we need to process or just forward */
2241 case CB_GETDROPPEDCONTROLRECT:
2242 case CB_GETITEMHEIGHT:
2243 case CB_GETEXTENDEDUI:
2244 case CB_LIMITTEXT:
2245 case CB_SELECTSTRING:
2247 /* Combo messages OK to just forward to the regular COMBO */
2248 case CB_GETCOUNT:
2249 case CB_GETCURSEL:
2250 case CB_GETDROPPEDSTATE:
2251 case CB_SETDROPPEDWIDTH:
2252 case CB_SETEXTENDEDUI:
2253 case CB_SHOWDROPDOWN:
2254 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2256 /* Combo messages we need to process specially */
2257 case CB_FINDSTRINGEXACT:
2258 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2260 case CB_GETITEMDATA:
2261 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2263 case CB_SETCURSEL:
2264 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2266 case CB_SETITEMDATA:
2267 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2269 case CB_SETITEMHEIGHT:
2270 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2274 /* Window messages passed to parent */
2275 case WM_COMMAND:
2276 return COMBOEX_Command (infoPtr, wParam);
2278 case WM_NOTIFY:
2279 if (infoPtr->NtfUnicode)
2280 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2281 else
2282 return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2285 /* Window messages we need to process */
2286 case WM_DELETEITEM:
2287 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2289 case WM_DRAWITEM:
2290 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2292 case WM_DESTROY:
2293 return COMBOEX_Destroy (infoPtr);
2295 case WM_ENABLE:
2296 return COMBOEX_Enable (infoPtr, (BOOL)wParam);
2298 case WM_MEASUREITEM:
2299 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2301 case WM_NOTIFYFORMAT:
2302 return COMBOEX_NotifyFormat (infoPtr, lParam);
2304 case WM_SIZE:
2305 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2307 case WM_SETREDRAW:
2308 return COMBOEX_SetRedraw(infoPtr, wParam, lParam);
2310 case WM_WINDOWPOSCHANGING:
2311 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2313 case WM_SETFOCUS:
2314 SetFocus(infoPtr->hwndCombo);
2315 return 0;
2317 case WM_SYSCOLORCHANGE:
2318 COMCTL32_RefreshSysColors();
2319 return 0;
2321 default:
2322 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2323 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",uMsg,wParam,lParam);
2324 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2329 void COMBOEX_Register (void)
2331 WNDCLASSW wndClass;
2333 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2334 wndClass.style = CS_GLOBALCLASS;
2335 wndClass.lpfnWndProc = COMBOEX_WindowProc;
2336 wndClass.cbClsExtra = 0;
2337 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2338 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2339 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2340 wndClass.lpszClassName = WC_COMBOBOXEXW;
2342 RegisterClassW (&wndClass);
2346 void COMBOEX_Unregister (void)
2348 UnregisterClassW (WC_COMBOBOXEXW, NULL);