Fixed a couple of bugs in RtlGetFullPathName_U.
[wine.git] / dlls / comctl32 / comboex.c
blob9c288f6cac9370c6b16a0a47c4d4e961e3559dfa
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 belive 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
50 VOID *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 hwndCombo;
68 HWND hwndEdit;
69 WNDPROC prevEditWndProc; /* previous Edit WNDPROC value */
70 WNDPROC prevComboWndProc; /* previous Combo WNDPROC value */
71 DWORD dwExtStyle;
72 INT selected; /* index of selected item */
73 DWORD flags; /* WINE internal flags */
74 HFONT defaultFont;
75 HFONT font;
76 INT nb_items; /* Number of items */
77 BOOL unicode; /* TRUE if this window is Unicode */
78 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
79 CBE_ITEMDATA *edit; /* item data for edit item */
80 CBE_ITEMDATA *items; /* Array of items */
81 } COMBOEX_INFO;
83 /* internal flags in the COMBOEX_INFO structure */
84 #define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
85 * CBEN_BEGINEDIT issued
86 * but CBEN_ENDEDIT{A|W}
87 * not yet issued. */
88 #define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
89 #define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
90 #define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
91 #define WCBE_MOUSECAPTURED 0x00000008 /* Combo has captured mouse */
92 #define WCBE_MOUSEDRAGGED 0x00000010 /* User has dragged in combo */
94 #define ID_CB_EDIT 1001
98 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
99 * the ComboEx version of the Combo Window Proc so that when the
100 * WM_DRAWITEM message is then passed to ComboEx, we know that this
101 * particular WM_DRAWITEM message is for listbox only items. Any messasges
102 * without this flag is then for the Edit control field.
104 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
105 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
107 #define ODS_COMBOEXLBOX 0x4000
111 /* Height in pixels of control over the amount of the selected font */
112 #define CBE_EXTRA 3
114 /* Indent amount per MS documentation */
115 #define CBE_INDENT 10
117 /* Offset in pixels from left side for start of image or text */
118 #define CBE_STARTOFFSET 6
120 /* Offset between image and text */
121 #define CBE_SEP 4
123 #define COMBOEX_SUBCLASS_PROP "CCComboEx32SubclassInfo"
124 #define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongW (hwnd, 0))
127 /* Things common to the entire DLL */
128 static LRESULT WINAPI
129 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
130 static LRESULT WINAPI
131 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
132 static int CALLBACK
133 COMBOEX_PathWordBreakProc(LPWSTR lpch, int ichCurrent, int cch, int code);
134 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
135 typedef INT (WINAPI *cmp_func_t)(LPCWSTR, LPCWSTR);
137 inline static BOOL is_textW(LPCWSTR str)
139 return str && str != LPSTR_TEXTCALLBACKW;
142 inline static BOOL is_textA(LPCSTR str)
144 return str && str != LPSTR_TEXTCALLBACKA;
147 inline static LPCSTR debugstr_txt(LPCWSTR str)
149 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
150 return debugstr_w(str);
153 static void COMBOEX_DumpItem (CBE_ITEMDATA *item)
155 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
156 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
157 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
158 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
159 if (item->mask & CBEIF_TEXT)
160 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
164 static void COMBOEX_DumpInput (COMBOBOXEXITEMW *input)
166 TRACE("input - mask=%08x, iItem=%d, pszText=%p, cchTM=%d, iImage=%d\n",
167 input->mask, input->iItem, input->pszText, input->cchTextMax,
168 input->iImage);
169 if (input->mask & CBEIF_TEXT)
170 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
171 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
172 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
176 inline static CBE_ITEMDATA *get_item_data(COMBOEX_INFO *infoPtr, INT index)
178 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
179 (WPARAM)index, 0);
182 inline static cmp_func_t get_cmp_func(COMBOEX_INFO *infoPtr)
184 return infoPtr->dwExtStyle & CBES_EX_CASESENSITIVE ? lstrcmpW : lstrcmpiW;
187 static INT COMBOEX_Notify (COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
189 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
190 hdr->hwndFrom = infoPtr->hwndSelf;
191 hdr->code = code;
192 if (infoPtr->NtfUnicode)
193 return SendMessageW (GetParent(infoPtr->hwndSelf), WM_NOTIFY, 0,
194 (LPARAM)hdr);
195 else
196 return SendMessageA (GetParent(infoPtr->hwndSelf), WM_NOTIFY, 0,
197 (LPARAM)hdr);
201 static INT
202 COMBOEX_NotifyItem (COMBOEX_INFO *infoPtr, INT code, NMCOMBOBOXEXW *hdr)
204 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
205 if (infoPtr->NtfUnicode)
206 return COMBOEX_Notify (infoPtr, code, &hdr->hdr);
207 else {
208 LPWSTR wstr = hdr->ceItem.pszText;
209 LPSTR astr = 0;
210 INT ret, len = 0;
212 if ((hdr->ceItem.mask & CBEIF_TEXT) && is_textW(wstr)) {
213 len = WideCharToMultiByte (CP_ACP, 0, wstr, -1, 0, 0, NULL, NULL);
214 if (len > 0) {
215 astr = (LPSTR)Alloc ((len + 1)*sizeof(CHAR));
216 if (!astr) return 0;
217 WideCharToMultiByte (CP_ACP, 0, wstr, -1, astr, len, 0, 0);
218 hdr->ceItem.pszText = (LPWSTR)astr;
222 if (code == CBEN_ENDEDITW) code = CBEN_ENDEDITA;
223 else if (code == CBEN_GETDISPINFOW) code = CBEN_GETDISPINFOA;
224 else if (code == CBEN_DRAGBEGINW) code = CBEN_DRAGBEGINA;
226 ret = COMBOEX_Notify (infoPtr, code, (NMHDR *)hdr);
228 if (astr && hdr->ceItem.pszText == (LPWSTR)astr)
229 hdr->ceItem.pszText = wstr;
231 if (astr) Free(astr);
233 return ret;
238 static INT COMBOEX_NotifyEndEdit (COMBOEX_INFO *infoPtr, NMCBEENDEDITW *neew, LPCWSTR wstr)
240 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
241 if (infoPtr->NtfUnicode) {
242 lstrcpynW(neew->szText, wstr, CBEMAXSTRLEN);
243 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITW, &neew->hdr);
244 } else {
245 NMCBEENDEDITA neea;
247 memcpy (&neea.hdr, &neew->hdr, sizeof(NMHDR));
248 neea.fChanged = neew->fChanged;
249 neea.iNewSelection = neew->iNewSelection;
250 WideCharToMultiByte (CP_ACP, 0, wstr, -1, neea.szText, CBEMAXSTRLEN, 0, 0);
251 neea.iWhy = neew->iWhy;
253 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITA, &neea.hdr);
258 static void COMBOEX_NotifyDragBegin(COMBOEX_INFO *infoPtr, LPCWSTR wstr)
260 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
261 if (infoPtr->NtfUnicode) {
262 NMCBEDRAGBEGINW ndbw;
264 ndbw.iItemid = -1;
265 lstrcpynW(ndbw.szText, wstr, CBEMAXSTRLEN);
266 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINW, &ndbw.hdr);
267 } else {
268 NMCBEDRAGBEGINA ndba;
270 ndba.iItemid = -1;
271 WideCharToMultiByte (CP_ACP, 0, wstr, -1, ndba.szText, CBEMAXSTRLEN, 0, 0);
273 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINA, &ndba.hdr);
278 static void COMBOEX_FreeText (CBE_ITEMDATA *item)
280 if (is_textW(item->pszText)) Free(item->pszText);
281 item->pszText = 0;
282 if (item->pszTemp) Free(item->pszTemp);
283 item->pszTemp = 0;
287 static LPCWSTR COMBOEX_GetText(COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
289 NMCOMBOBOXEXW nmce;
290 LPWSTR text, buf;
291 INT len;
293 if (item->pszText != LPSTR_TEXTCALLBACKW)
294 return item->pszText;
296 ZeroMemory(&nmce, sizeof(nmce));
297 nmce.ceItem.mask = CBEIF_TEXT;
298 nmce.ceItem.lParam = item->lParam;
299 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
301 if (is_textW(nmce.ceItem.pszText)) {
302 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
303 buf = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
304 if (buf)
305 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
306 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
307 COMBOEX_FreeText(item);
308 item->pszText = buf;
309 } else {
310 if (item->pszTemp) Free(item->pszTemp);
311 item->pszTemp = buf;
313 text = buf;
314 } else
315 text = nmce.ceItem.pszText;
317 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
318 item->pszText = text;
319 return text;
323 static void COMBOEX_GetComboFontSize (COMBOEX_INFO *infoPtr, SIZE *size)
325 HFONT nfont, ofont;
326 HDC mydc;
328 mydc = GetDC (0); /* why the entire screen???? */
329 nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
330 ofont = (HFONT) SelectObject (mydc, nfont);
331 GetTextExtentPointA (mydc, "A", 1, size);
332 SelectObject (mydc, ofont);
333 ReleaseDC (0, mydc);
334 TRACE("selected font hwnd=%p, height=%ld\n", nfont, size->cy);
338 static void COMBOEX_CopyItem (CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
340 if (cit->mask & CBEIF_TEXT) {
342 * when given a text buffer actually use that buffer
344 if (cit->pszText) {
345 if (is_textW(item->pszText))
346 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
347 else
348 cit->pszText[0] = 0;
349 } else {
350 cit->pszText = item->pszText;
351 cit->cchTextMax = item->cchTextMax;
354 if (cit->mask & CBEIF_IMAGE)
355 cit->iImage = item->iImage;
356 if (cit->mask & CBEIF_SELECTEDIMAGE)
357 cit->iSelectedImage = item->iSelectedImage;
358 if (cit->mask & CBEIF_OVERLAY)
359 cit->iOverlay = item->iOverlay;
360 if (cit->mask & CBEIF_INDENT)
361 cit->iIndent = item->iIndent;
362 if (cit->mask & CBEIF_LPARAM)
363 cit->lParam = item->lParam;
367 static void COMBOEX_AdjustEditPos (COMBOEX_INFO *infoPtr)
369 SIZE mysize;
370 INT x, y, w, h, xioff;
371 RECT rect;
373 if (!infoPtr->hwndEdit) return;
375 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
376 IMAGEINFO iinfo;
377 iinfo.rcImage.left = iinfo.rcImage.right = 0;
378 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
379 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
380 } else xioff = 0;
382 GetClientRect (infoPtr->hwndCombo, &rect);
383 InflateRect (&rect, -2, -2);
384 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
386 /* reposition the Edit control based on whether icon exists */
387 COMBOEX_GetComboFontSize (infoPtr, &mysize);
388 TRACE("Combo font x=%ld, y=%ld\n", mysize.cx, mysize.cy);
389 x = xioff + CBE_STARTOFFSET + 1;
390 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
391 h = mysize.cy + 1;
392 y = rect.bottom - h - 1;
394 TRACE("Combo client (%ld,%ld)-(%ld,%ld), setting Edit to (%d,%d)-(%d,%d)\n",
395 rect.left, rect.top, rect.right, rect.bottom, x, y, x + w, y + h);
396 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
397 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
401 static void COMBOEX_ReSize (COMBOEX_INFO *infoPtr)
403 SIZE mysize;
404 UINT cy;
405 IMAGEINFO iinfo;
407 COMBOEX_GetComboFontSize (infoPtr, &mysize);
408 cy = mysize.cy + CBE_EXTRA;
409 if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
410 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
411 TRACE("upgraded height due to image: height=%d\n", cy);
413 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, (WPARAM)-1, (LPARAM)cy);
414 if (infoPtr->hwndCombo) {
415 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
416 (WPARAM) 0, (LPARAM) cy);
417 if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
418 RECT comboRect;
419 if (GetWindowRect(infoPtr->hwndCombo, &comboRect)) {
420 RECT ourRect;
421 if (GetWindowRect(infoPtr->hwndSelf, &ourRect)) {
422 if (comboRect.bottom > ourRect.bottom) {
423 POINT pt = { ourRect.left, ourRect.top };
424 if (ScreenToClient(infoPtr->hwndSelf, &pt))
425 MoveWindow( infoPtr->hwndSelf, pt.x, pt.y, ourRect.right - ourRect.left,
426 comboRect.bottom - comboRect.top, FALSE);
435 static void COMBOEX_SetEditText (COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
437 if (!infoPtr->hwndEdit) return;
438 /* native issues the following messages to the {Edit} control */
439 /* WM_SETTEXT (0,addr) */
440 /* EM_SETSEL32 (0,0) */
441 /* EM_SETSEL32 (0,-1) */
442 if (item->mask & CBEIF_TEXT) {
443 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
444 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
445 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
450 static CBE_ITEMDATA * COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT index)
452 CBE_ITEMDATA *item;
453 INT i;
455 if ((index > infoPtr->nb_items) || (index < -1))
456 return 0;
457 if (index == -1)
458 return infoPtr->edit;
459 item = infoPtr->items;
460 i = infoPtr->nb_items - 1;
462 /* find the item in the list */
463 while (item && (i > index)) {
464 item = (CBE_ITEMDATA *)item->next;
465 i--;
467 if (!item || (i != index)) {
468 ERR("COMBOBOXEX item structures broken. Please report!\n");
469 return 0;
471 return item;
475 static inline BOOL COMBOEX_HasEdit(COMBOEX_INFO *infoPtr)
477 return infoPtr->hwndEdit ? TRUE : FALSE;
481 /* *** CBEM_xxx message support *** */
484 static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT index)
486 CBE_ITEMDATA *item;
488 TRACE("(index=%d)\n", index);
490 /* if item number requested does not exist then return failure */
491 if ((index > infoPtr->nb_items) || (index < 0)) return CB_ERR;
492 if (!(item = COMBOEX_FindItem(infoPtr, index))) return CB_ERR;
494 /* doing this will result in WM_DELETEITEM being issued */
495 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, (WPARAM)index, 0);
497 return infoPtr->nb_items;
501 static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
503 INT index = cit->iItem;
504 CBE_ITEMDATA *item;
506 TRACE("(...)\n");
508 /* if item number requested does not exist then return failure */
509 if ((index > infoPtr->nb_items) || (index < -1)) return FALSE;
511 /* if the item is the edit control and there is no edit control, skip */
512 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
514 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
516 COMBOEX_CopyItem (item, cit);
518 return TRUE;
522 static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
524 COMBOBOXEXITEMW tmpcit;
526 TRACE("(...)\n");
528 tmpcit.mask = cit->mask;
529 tmpcit.iItem = cit->iItem;
530 tmpcit.pszText = 0;
531 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
533 if (is_textW(tmpcit.pszText) && cit->pszText)
534 WideCharToMultiByte (CP_ACP, 0, tmpcit.pszText, -1,
535 cit->pszText, cit->cchTextMax, NULL, NULL);
536 else if (cit->pszText) cit->pszText[0] = 0;
537 else cit->pszText = (LPSTR)tmpcit.pszText;
539 cit->iImage = tmpcit.iImage;
540 cit->iSelectedImage = tmpcit.iSelectedImage;
541 cit->iOverlay = tmpcit.iOverlay;
542 cit->iIndent = tmpcit.iIndent;
543 cit->lParam = tmpcit.lParam;
545 return TRUE;
549 inline static BOOL COMBOEX_HasEditChanged (COMBOEX_INFO *infoPtr)
551 return COMBOEX_HasEdit(infoPtr) &&
552 (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
556 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
558 INT index;
559 CBE_ITEMDATA *item;
560 NMCOMBOBOXEXW nmcit;
562 TRACE("\n");
564 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
566 /* get real index of item to insert */
567 index = cit->iItem;
568 if (index == -1) index = infoPtr->nb_items;
569 if (index > infoPtr->nb_items) index = infoPtr->nb_items;
571 /* get zero-filled space and chain it in */
572 if(!(item = (CBE_ITEMDATA *)Alloc (sizeof(*item)))) return -1;
574 /* locate position to insert new item in */
575 if (index == infoPtr->nb_items) {
576 /* fast path for iItem = -1 */
577 item->next = infoPtr->items;
578 infoPtr->items = item;
580 else {
581 INT i = infoPtr->nb_items-1;
582 CBE_ITEMDATA *moving = infoPtr->items;
584 while ((i > index) && moving) {
585 moving = (CBE_ITEMDATA *)moving->next;
586 i--;
588 if (!moving) {
589 ERR("COMBOBOXEX item structures broken. Please report!\n");
590 Free(item);
591 return -1;
593 item->next = moving->next;
594 moving->next = item;
597 /* fill in our hidden item structure */
598 item->mask = cit->mask;
599 if (item->mask & CBEIF_TEXT) {
600 INT len = 0;
602 if (is_textW(cit->pszText)) len = strlenW (cit->pszText);
603 if (len > 0) {
604 item->pszText = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
605 if (!item->pszText) {
606 Free(item);
607 return -1;
609 strcpyW (item->pszText, cit->pszText);
611 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
612 item->pszText = LPSTR_TEXTCALLBACKW;
613 item->cchTextMax = cit->cchTextMax;
615 if (item->mask & CBEIF_IMAGE)
616 item->iImage = cit->iImage;
617 if (item->mask & CBEIF_SELECTEDIMAGE)
618 item->iSelectedImage = cit->iSelectedImage;
619 if (item->mask & CBEIF_OVERLAY)
620 item->iOverlay = cit->iOverlay;
621 if (item->mask & CBEIF_INDENT)
622 item->iIndent = cit->iIndent;
623 if (item->mask & CBEIF_LPARAM)
624 item->lParam = cit->lParam;
625 infoPtr->nb_items++;
627 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
629 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING,
630 (WPARAM)cit->iItem, (LPARAM)item);
632 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
633 COMBOEX_CopyItem (item, &nmcit.ceItem);
634 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
636 return index;
641 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
643 COMBOBOXEXITEMW citW;
644 LPWSTR wstr = NULL;
645 INT ret;
647 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
648 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
649 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
650 wstr = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
651 if (!wstr) return -1;
652 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
653 citW.pszText = wstr;
655 ret = COMBOEX_InsertItemW(infoPtr, &citW);
657 if (wstr) Free(wstr);
659 return ret;
663 static DWORD
664 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
666 DWORD dwTemp;
668 TRACE("(mask=x%08lx, style=0x%08lx)\n", mask, style);
670 dwTemp = infoPtr->dwExtStyle;
672 if (mask)
673 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
674 else
675 infoPtr->dwExtStyle = style;
677 /* see if we need to change the word break proc on the edit */
678 if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC) {
679 SendMessageW(infoPtr->hwndEdit, EM_SETWORDBREAKPROC, 0,
680 (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) ?
681 (LPARAM)COMBOEX_PathWordBreakProc : 0);
684 /* test if the control's appearance has changed */
685 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
686 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
687 /* if state of EX_NOEDITIMAGE changes, invalidate all */
688 TRACE("EX_NOEDITIMAGE state changed to %ld\n",
689 infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
690 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
691 COMBOEX_AdjustEditPos (infoPtr);
692 if (infoPtr->hwndEdit)
693 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
696 return dwTemp;
700 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
702 HIMAGELIST himlTemp = infoPtr->himl;
704 TRACE("(...)\n");
706 infoPtr->himl = himl;
708 COMBOEX_ReSize (infoPtr);
709 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
711 /* reposition the Edit control based on whether icon exists */
712 COMBOEX_AdjustEditPos (infoPtr);
713 return himlTemp;
716 static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
718 INT index = cit->iItem;
719 CBE_ITEMDATA *item;
721 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
723 /* if item number requested does not exist then return failure */
724 if ((index > infoPtr->nb_items) || (index < -1)) return FALSE;
726 /* if the item is the edit control and there is no edit control, skip */
727 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
729 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
731 /* add/change stuff to the internal item structure */
732 item->mask |= cit->mask;
733 if (cit->mask & CBEIF_TEXT) {
734 INT len = 0;
736 COMBOEX_FreeText(item);
737 if (is_textW(cit->pszText)) len = strlenW(cit->pszText);
738 if (len > 0) {
739 item->pszText = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
740 if (!item->pszText) return FALSE;
741 strcpyW(item->pszText, cit->pszText);
742 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
743 item->pszText = LPSTR_TEXTCALLBACKW;
744 item->cchTextMax = cit->cchTextMax;
746 if (cit->mask & CBEIF_IMAGE)
747 item->iImage = cit->iImage;
748 if (cit->mask & CBEIF_SELECTEDIMAGE)
749 item->iSelectedImage = cit->iSelectedImage;
750 if (cit->mask & CBEIF_OVERLAY)
751 item->iOverlay = cit->iOverlay;
752 if (cit->mask & CBEIF_INDENT)
753 item->iIndent = cit->iIndent;
754 if (cit->mask & CBEIF_LPARAM)
755 cit->lParam = cit->lParam;
757 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
759 /* if original request was to update edit control, do some fast foot work */
760 if (cit->iItem == -1) {
761 COMBOEX_SetEditText (infoPtr, item);
762 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
764 return TRUE;
767 static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
769 COMBOBOXEXITEMW citW;
770 LPWSTR wstr = NULL;
771 BOOL ret;
773 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
774 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
775 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
776 wstr = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
777 if (!wstr) return FALSE;
778 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
779 citW.pszText = wstr;
781 ret = COMBOEX_SetItemW(infoPtr, &citW);
783 if (wstr) Free(wstr);
785 return ret;
789 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
791 BOOL bTemp = infoPtr->unicode;
793 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
795 infoPtr->unicode = value;
797 return bTemp;
801 /* *** CB_xxx message support *** */
803 static INT
804 COMBOEX_FindStringExact (COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
806 INT i;
807 cmp_func_t cmptext = get_cmp_func(infoPtr);
808 INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
810 /* now search from after starting loc and wrapping back to start */
811 for(i=start+1; i<count; i++) {
812 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
813 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
815 for(i=0; i<=start; i++) {
816 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
817 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
819 return CB_ERR;
823 static DWORD COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT index)
825 CBE_ITEMDATA *item1, *item2;
826 DWORD ret = 0;
828 item1 = get_item_data(infoPtr, index);
829 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
830 item2 = COMBOEX_FindItem (infoPtr, index);
831 if (item2 != item1) {
832 ERR("data structures damaged!\n");
833 return CB_ERR;
835 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
836 TRACE("returning 0x%08lx\n", ret);
837 } else {
838 ret = (DWORD)item1;
839 TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
841 return ret;
845 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT index)
847 CBE_ITEMDATA *item;
848 INT sel;
850 if (!(item = COMBOEX_FindItem(infoPtr, index)))
851 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
853 TRACE("selecting item %d text=%s\n", index, debugstr_txt(item->pszText));
854 infoPtr->selected = index;
856 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
857 COMBOEX_SetEditText (infoPtr, item);
858 return sel;
862 static DWORD COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT index, DWORD data)
864 CBE_ITEMDATA *item1, *item2;
866 item1 = get_item_data(infoPtr, index);
867 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
868 item2 = COMBOEX_FindItem (infoPtr, index);
869 if (item2 != item1) {
870 ERR("data structures damaged!\n");
871 return CB_ERR;
873 item1->mask |= CBEIF_LPARAM;
874 item1->lParam = data;
875 TRACE("setting lparam to 0x%08lx\n", data);
876 return 0;
878 TRACE("non-valid result from combo 0x%08lx\n", (DWORD)item1);
879 return (LRESULT)item1;
883 static INT COMBOEX_SetItemHeight (COMBOEX_INFO *infoPtr, INT index, UINT height)
885 RECT cb_wrect, cbx_wrect, cbx_crect;
887 /* First, lets forward the message to the normal combo control
888 just like Windows. */
889 if (infoPtr->hwndCombo)
890 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
891 index, height) == CB_ERR) return CB_ERR;
893 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
894 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
895 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
896 /* the height of comboex as height of the combo + comboex border */
897 height = cb_wrect.bottom-cb_wrect.top
898 + cbx_wrect.bottom-cbx_wrect.top
899 - (cbx_crect.bottom-cbx_crect.top);
900 TRACE("EX window=(%ld,%ld)-(%ld,%ld), client=(%ld,%ld)-(%ld,%ld)\n",
901 cbx_wrect.left, cbx_wrect.top, cbx_wrect.right, cbx_wrect.bottom,
902 cbx_crect.left, cbx_crect.top, cbx_crect.right, cbx_crect.bottom);
903 TRACE("CB window=(%ld,%ld)-(%ld,%ld), EX setting=(0,0)-(%ld,%d)\n",
904 cb_wrect.left, cb_wrect.top, cb_wrect.right, cb_wrect.bottom,
905 cbx_wrect.right-cbx_wrect.left, height);
906 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
907 cbx_wrect.right-cbx_wrect.left, height,
908 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
910 return 0;
914 /* *** WM_xxx message support *** */
917 static LRESULT COMBOEX_Create (HWND hwnd, LPCREATESTRUCTA cs)
919 WCHAR COMBOBOX[] = { 'C', 'o', 'm', 'b', 'o', 'B', 'o', 'x', 0 };
920 WCHAR EDIT[] = { 'E', 'D', 'I', 'T', 0 };
921 WCHAR NIL[] = { 0 };
922 COMBOEX_INFO *infoPtr;
923 LOGFONTW mylogfont;
924 RECT wnrc1, clrc1, cmbwrc;
925 INT i;
927 /* allocate memory for info structure */
928 infoPtr = (COMBOEX_INFO *)Alloc (sizeof(COMBOEX_INFO));
929 if (!infoPtr) return -1;
931 /* initialize info structure */
932 /* note that infoPtr is allocated zero-filled */
934 infoPtr->hwndSelf = hwnd;
935 infoPtr->selected = -1;
937 infoPtr->unicode = IsWindowUnicode (hwnd);
939 i = SendMessageW(GetParent (hwnd), WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
940 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
941 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
942 i = NFR_ANSI;
944 infoPtr->NtfUnicode = (i == NFR_UNICODE);
946 SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
948 /* create combo box */
949 GetWindowRect(hwnd, &wnrc1);
950 GetClientRect(hwnd, &clrc1);
951 TRACE("EX window=(%ld,%ld)-(%ld,%ld) client=(%ld,%ld)-(%ld,%ld)\n",
952 wnrc1.left, wnrc1.top, wnrc1.right, wnrc1.bottom,
953 clrc1.left, clrc1.top, clrc1.right, clrc1.bottom);
955 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
956 /* specified. It then creates it's own version of the EDIT control */
957 /* and makes the ComboBox the parent. This is because a normal */
958 /* DROPDOWNLIST does not have a EDIT control, but we need one. */
959 /* We also need to place the edit control at the proper location */
960 /* (allow space for the icons). */
962 infoPtr->hwndCombo = CreateWindowW (COMBOBOX, NIL,
963 /* following line added to match native */
964 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
965 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
966 /* was base and is necessary */
967 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
968 GetWindowLongW (hwnd, GWL_STYLE),
969 cs->y, cs->x, cs->cx, cs->cy, hwnd,
970 (HMENU) GetWindowLongW (hwnd, GWL_ID),
971 (HINSTANCE)GetWindowLongW (hwnd, GWL_HINSTANCE), NULL);
974 * native does the following at this point according to trace:
975 * GetWindowThreadProcessId(hwndCombo,0)
976 * GetCurrentThreadId()
977 * GetWindowThreadProcessId(hwndCombo, &???)
978 * GetCurrentProcessId()
982 * Setup a property to hold the pointer to the COMBOBOXEX
983 * data structure.
985 SetPropA(infoPtr->hwndCombo, COMBOEX_SUBCLASS_PROP, hwnd);
986 infoPtr->prevComboWndProc = (WNDPROC)SetWindowLongW(infoPtr->hwndCombo,
987 GWL_WNDPROC, (LONG)COMBOEX_ComboWndProc);
988 infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
992 * Now create our own EDIT control so we can position it.
993 * It is created only for CBS_DROPDOWN style
995 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
996 infoPtr->hwndEdit = CreateWindowExW (0, EDIT, NIL,
997 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
998 0, 0, 0, 0, /* will set later */
999 infoPtr->hwndCombo,
1000 (HMENU) GetWindowLongW (hwnd, GWL_ID),
1001 (HINSTANCE)GetWindowLongW (hwnd, GWL_HINSTANCE), NULL);
1003 /* native does the following at this point according to trace:
1004 * GetWindowThreadProcessId(hwndEdit,0)
1005 * GetCurrentThreadId()
1006 * GetWindowThreadProcessId(hwndEdit, &???)
1007 * GetCurrentProcessId()
1011 * Setup a property to hold the pointer to the COMBOBOXEX
1012 * data structure.
1014 SetPropA(infoPtr->hwndEdit, COMBOEX_SUBCLASS_PROP, hwnd);
1015 infoPtr->prevEditWndProc = (WNDPROC)SetWindowLongW(infoPtr->hwndEdit,
1016 GWL_WNDPROC, (LONG)COMBOEX_EditWndProc);
1017 infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1021 * Locate the default font if necessary and then set it in
1022 * all associated controls
1024 if (!infoPtr->font) {
1025 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1026 &mylogfont, 0);
1027 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1029 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1030 if (infoPtr->hwndEdit) {
1031 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1032 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, (WPARAM)EC_USEFONTINFO, 0);
1035 COMBOEX_ReSize (infoPtr);
1037 /* Above is fairly certain, below is much less certain. */
1039 GetWindowRect(hwnd, &wnrc1);
1040 GetClientRect(hwnd, &clrc1);
1041 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1042 TRACE("EX window=(%ld,%ld)-(%ld,%ld) client=(%ld,%ld)-(%ld,%ld) CB wnd=(%ld,%ld)-(%ld,%ld)\n",
1043 wnrc1.left, wnrc1.top, wnrc1.right, wnrc1.bottom,
1044 clrc1.left, clrc1.top, clrc1.right, clrc1.bottom,
1045 cmbwrc.left, cmbwrc.top, cmbwrc.right, cmbwrc.bottom);
1046 SetWindowPos(infoPtr->hwndCombo, HWND_TOP,
1047 0, 0, wnrc1.right-wnrc1.left, wnrc1.bottom-wnrc1.top,
1048 SWP_NOACTIVATE | SWP_NOREDRAW);
1050 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1051 TRACE("CB window=(%ld,%ld)-(%ld,%ld)\n",
1052 cmbwrc.left, cmbwrc.top, cmbwrc.right, cmbwrc.bottom);
1053 SetWindowPos(hwnd, HWND_TOP,
1054 0, 0, cmbwrc.right-cmbwrc.left, cmbwrc.bottom-cmbwrc.top,
1055 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1057 COMBOEX_AdjustEditPos (infoPtr);
1060 * Create an item structure to represent the data in the
1061 * EDIT control. It is allocated zero-filled.
1063 infoPtr->edit = (CBE_ITEMDATA *)Alloc (sizeof (CBE_ITEMDATA));
1064 if (!infoPtr->edit) {
1065 COMBOEX_Destroy(infoPtr);
1066 return -1;
1069 return 0;
1073 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1075 LRESULT lret;
1076 INT command = HIWORD(wParam);
1077 CBE_ITEMDATA *item = 0;
1078 WCHAR wintext[520];
1079 INT cursel, n, oldItem;
1080 NMCBEENDEDITW cbeend;
1081 DWORD oldflags;
1082 HWND parent = GetParent (infoPtr->hwndSelf);
1084 TRACE("for command %d\n", command);
1086 switch (command)
1088 case CBN_DROPDOWN:
1089 SetFocus (infoPtr->hwndCombo);
1090 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1091 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1093 case CBN_CLOSEUP:
1094 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1096 * from native trace of first dropdown after typing in URL in IE4
1097 * CB_GETCURSEL(Combo)
1098 * GetWindowText(Edit)
1099 * CB_GETCURSEL(Combo)
1100 * CB_GETCOUNT(Combo)
1101 * CB_GETITEMDATA(Combo, n)
1102 * WM_NOTIFY(parent, CBEN_ENDEDITA|W)
1103 * CB_GETCURSEL(Combo)
1104 * CB_SETCURSEL(COMBOEX, n)
1105 * SetFocus(Combo)
1106 * the rest is supposition
1108 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1109 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1110 InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1111 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1112 if (cursel == -1) {
1113 cmp_func_t cmptext = get_cmp_func(infoPtr);
1114 /* find match from edit against those in Combobox */
1115 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1116 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1117 for (cursel = 0; cursel < n; cursel++){
1118 item = get_item_data(infoPtr, cursel);
1119 if ((INT)item == CB_ERR) break;
1120 if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1122 if ((cursel == n) || ((INT)item == CB_ERR)) {
1123 TRACE("failed to find match??? item=%p cursel=%d\n",
1124 item, cursel);
1125 if (infoPtr->hwndEdit)
1126 SetFocus(infoPtr->hwndEdit);
1127 return 0;
1130 else {
1131 item = get_item_data(infoPtr, cursel);
1132 if ((INT)item == CB_ERR) {
1133 TRACE("failed to find match??? item=%p cursel=%d\n",
1134 item, cursel);
1135 if (infoPtr->hwndEdit)
1136 SetFocus(infoPtr->hwndEdit);
1137 return 0;
1141 /* Save flags for testing and reset them */
1142 oldflags = infoPtr->flags;
1143 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1145 if (oldflags & WCBE_ACTEDIT) {
1146 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1147 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1148 CB_GETCURSEL, 0, 0);
1149 cbeend.iWhy = CBENF_DROPDOWN;
1151 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1154 /* if selection has changed the set the new current selection */
1155 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1156 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1157 infoPtr->selected = cursel;
1158 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1159 SetFocus(infoPtr->hwndCombo);
1161 return 0;
1163 case CBN_SELCHANGE:
1165 * CB_GETCURSEL(Combo)
1166 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1167 * lstrlenA
1168 * WM_SETTEXT(Edit)
1169 * WM_GETTEXTLENGTH(Edit)
1170 * WM_GETTEXT(Edit)
1171 * EM_SETSEL(Edit, 0,0)
1172 * WM_GETTEXTLENGTH(Edit)
1173 * WM_GETTEXT(Edit)
1174 * EM_SETSEL(Edit, 0,len)
1175 * return WM_COMMAND to parent
1177 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1178 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1179 ERR("item %d not found. Problem!\n", oldItem);
1180 break;
1182 infoPtr->selected = oldItem;
1183 COMBOEX_SetEditText (infoPtr, item);
1184 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1186 case CBN_SELENDOK:
1188 * We have to change the handle since we are the control
1189 * issuing the message. IE4 depends on this.
1191 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1193 case CBN_KILLFOCUS:
1195 * from native trace:
1197 * pass to parent
1198 * WM_GETTEXT(Edit, 104)
1199 * CB_GETCURSEL(Combo) rets -1
1200 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1201 * CB_GETCURSEL(Combo)
1202 * InvalidateRect(Combo, 0, 0)
1203 * return 0
1205 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1206 if (infoPtr->flags & WCBE_ACTEDIT) {
1207 GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1208 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1209 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1210 CB_GETCURSEL, 0, 0);
1211 cbeend.iWhy = CBENF_KILLFOCUS;
1213 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1214 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1216 /* possible CB_GETCURSEL */
1217 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1218 return 0;
1220 default:
1222 * We have to change the handle since we are the control
1223 * issuing the message. IE4 depends on this.
1224 * We also need to set the focus back to the Edit control
1225 * after passing the command to the parent of the ComboEx.
1227 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1228 if (infoPtr->hwndEdit)
1229 SetFocus(infoPtr->hwndEdit);
1230 return lret;
1232 return 0;
1236 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT *dis)
1238 CBE_ITEMDATA *item, *olditem;
1239 NMCOMBOBOXEXW nmcit;
1240 UINT i;
1242 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1243 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1245 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1247 olditem = infoPtr->items;
1248 i = infoPtr->nb_items - 1;
1250 if (i == dis->itemID) {
1251 infoPtr->items = infoPtr->items->next;
1253 else {
1254 item = olditem;
1255 i--;
1257 /* find the prior item in the list */
1258 while (item->next && (i > dis->itemID)) {
1259 item = (CBE_ITEMDATA *)item->next;
1260 i--;
1262 if (!item->next || (i != dis->itemID)) {
1263 ERR("COMBOBOXEX item structures broken. Please report!\n");
1264 return FALSE;
1266 olditem = item->next;
1267 item->next = (CBE_ITEMDATA *)((CBE_ITEMDATA *)item->next)->next;
1269 infoPtr->nb_items--;
1271 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1272 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1273 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1275 COMBOEX_FreeText(olditem);
1276 Free(olditem);
1278 return TRUE;
1282 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT *dis)
1284 WCHAR nil[] = { 0 };
1285 CBE_ITEMDATA *item = 0;
1286 SIZE txtsize;
1287 RECT rect;
1288 LPCWSTR str = nil;
1289 UINT xbase, x, y;
1290 INT len;
1291 COLORREF nbkc, ntxc, bkc, txc;
1292 int drawimage, drawstate, xioff;
1294 if (!IsWindowEnabled(infoPtr->hwndCombo)) return 0;
1296 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1297 dis->CtlType, dis->CtlID);
1298 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1299 dis->itemID, dis->itemAction, dis->itemState);
1300 TRACE("hWnd=%p hDC=%p (%ld,%ld)-(%ld,%ld) itemData=0x%08lx\n",
1301 dis->hwndItem, dis->hDC, dis->rcItem.left,
1302 dis->rcItem.top, dis->rcItem.right, dis->rcItem.bottom,
1303 dis->itemData);
1305 /* MSDN says: */
1306 /* "itemID - Specifies the menu item identifier for a menu */
1307 /* item or the index of the item in a list box or combo box. */
1308 /* For an empty list box or combo box, this member can be -1. */
1309 /* This allows the application to draw only the focus */
1310 /* rectangle at the coordinates specified by the rcItem */
1311 /* member even though there are no items in the control. */
1312 /* This indicates to the user whether the list box or combo */
1313 /* box has the focus. How the bits are set in the itemAction */
1314 /* member determines whether the rectangle is to be drawn as */
1315 /* though the list box or combo box has the focus. */
1316 if (dis->itemID == 0xffffffff) {
1317 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1318 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1320 TRACE("drawing item -1 special focus, rect=(%ld,%ld)-(%ld,%ld)\n",
1321 dis->rcItem.left, dis->rcItem.top,
1322 dis->rcItem.right, dis->rcItem.bottom);
1324 else if ((dis->CtlType == ODT_COMBOBOX) &&
1325 (dis->itemAction == ODA_DRAWENTIRE)) {
1326 /* draw of edit control data */
1328 /* testing */
1330 RECT exrc, cbrc, edrc;
1331 GetWindowRect (infoPtr->hwndSelf, &exrc);
1332 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1333 edrc.left=edrc.top=edrc.right=edrc.bottom=-1;
1334 if (infoPtr->hwndEdit)
1335 GetWindowRect (infoPtr->hwndEdit, &edrc);
1336 TRACE("window rects ex=(%ld,%ld)-(%ld,%ld), cb=(%ld,%ld)-(%ld,%ld), ed=(%ld,%ld)-(%ld,%ld)\n",
1337 exrc.left, exrc.top, exrc.right, exrc.bottom,
1338 cbrc.left, cbrc.top, cbrc.right, cbrc.bottom,
1339 edrc.left, edrc.top, edrc.right, edrc.bottom);
1342 else {
1343 ERR("NOT drawing item -1 special focus, rect=(%ld,%ld)-(%ld,%ld), action=%08x, state=%08x\n",
1344 dis->rcItem.left, dis->rcItem.top,
1345 dis->rcItem.right, dis->rcItem.bottom,
1346 dis->itemAction, dis->itemState);
1347 return 0;
1351 /* If draw item is -1 (edit control) setup the item pointer */
1352 if (dis->itemID == 0xffffffff) {
1353 item = infoPtr->edit;
1355 if (infoPtr->hwndEdit) {
1356 INT len;
1358 /* free previous text of edit item */
1359 COMBOEX_FreeText(item);
1360 item->mask &= ~CBEIF_TEXT;
1361 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1362 item->mask |= CBEIF_TEXT;
1363 item->pszText = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
1364 if (item->pszText)
1365 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1367 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1368 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1374 /* if the item pointer is not set, then get the data and locate it */
1375 if (!item) {
1376 item = get_item_data(infoPtr, dis->itemID);
1377 if (item == (CBE_ITEMDATA *)CB_ERR) {
1378 ERR("invalid item for id %d \n", dis->itemID);
1379 return 0;
1383 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1385 xbase = CBE_STARTOFFSET;
1386 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1387 INT indent = item->iIndent;
1388 if (indent == I_INDENTCALLBACK) {
1389 NMCOMBOBOXEXW nmce;
1390 ZeroMemory(&nmce, sizeof(nmce));
1391 nmce.ceItem.mask = CBEIF_INDENT;
1392 nmce.ceItem.lParam = item->lParam;
1393 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1394 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1395 item->iIndent = nmce.ceItem.iIndent;
1396 indent = nmce.ceItem.iIndent;
1398 xbase += (indent * CBE_INDENT);
1401 drawimage = -2;
1402 drawstate = ILD_NORMAL;
1403 if (item->mask & CBEIF_IMAGE)
1404 drawimage = item->iImage;
1405 if (dis->itemState & ODS_COMBOEXLBOX) {
1406 /* drawing listbox entry */
1407 if (dis->itemState & ODS_SELECTED) {
1408 if (item->mask & CBEIF_SELECTEDIMAGE)
1409 drawimage = item->iSelectedImage;
1410 drawstate = ILD_SELECTED;
1412 } else {
1413 /* drawing combo/edit entry */
1414 if (IsWindowVisible(infoPtr->hwndEdit)) {
1415 /* if we have an edit control, the slave the
1416 * selection state to the Edit focus state
1418 if (infoPtr->flags & WCBE_EDITFOCUSED) {
1419 if (item->mask & CBEIF_SELECTEDIMAGE)
1420 drawimage = item->iSelectedImage;
1421 drawstate = ILD_SELECTED;
1423 } else {
1424 /* if we don't have an edit control, use
1425 * the requested state.
1427 if (dis->itemState & ODS_SELECTED) {
1428 if (item->mask & CBEIF_SELECTEDIMAGE)
1429 drawimage = item->iSelectedImage;
1430 drawstate = ILD_SELECTED;
1435 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1436 IMAGEINFO iinfo;
1437 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1438 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1439 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1440 } else xioff = 0;
1442 /* setup pointer to text to be drawn */
1443 str = COMBOEX_GetText(infoPtr, item);
1444 if (!str) str = nil;
1446 len = strlenW (str);
1447 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1449 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1450 int overlay = item->iOverlay;
1452 if (drawimage == I_IMAGECALLBACK) {
1453 NMCOMBOBOXEXW nmce;
1454 ZeroMemory(&nmce, sizeof(nmce));
1455 nmce.ceItem.mask = (drawstate == ILD_NORMAL) ? CBEIF_IMAGE : CBEIF_SELECTEDIMAGE;
1456 nmce.ceItem.lParam = item->lParam;
1457 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1458 if (drawstate == ILD_NORMAL) {
1459 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1460 drawimage = nmce.ceItem.iImage;
1461 } else if (drawstate == ILD_SELECTED) {
1462 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1463 drawimage = nmce.ceItem.iSelectedImage;
1464 } else ERR("Bad draw state = %d\n", drawstate);
1467 if (overlay == I_IMAGECALLBACK) {
1468 NMCOMBOBOXEXW nmce;
1469 ZeroMemory(&nmce, sizeof(nmce));
1470 nmce.ceItem.mask = CBEIF_OVERLAY;
1471 nmce.ceItem.lParam = item->lParam;
1472 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1473 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1474 item->iOverlay = nmce.ceItem.iOverlay;
1475 overlay = nmce.ceItem.iOverlay;
1478 if (drawimage >= 0 &&
1479 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1480 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1481 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1482 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1485 /* now draw the text */
1486 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1487 nbkc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1488 COLOR_HIGHLIGHT : COLOR_WINDOW);
1489 bkc = SetBkColor (dis->hDC, nbkc);
1490 ntxc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1491 COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT);
1492 txc = SetTextColor (dis->hDC, ntxc);
1493 x = xbase + xioff;
1494 y = dis->rcItem.top +
1495 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1496 rect.left = x;
1497 rect.right = x + txtsize.cx;
1498 rect.top = dis->rcItem.top + 1;
1499 rect.bottom = dis->rcItem.bottom - 1;
1500 TRACE("drawing item %d text, rect=(%ld,%ld)-(%ld,%ld)\n",
1501 dis->itemID, rect.left, rect.top, rect.right, rect.bottom);
1502 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1503 &rect, str, len, 0);
1504 SetBkColor (dis->hDC, bkc);
1505 SetTextColor (dis->hDC, txc);
1509 if (dis->itemAction & ODA_FOCUS) {
1510 rect.left = xbase + xioff - 1;
1511 rect.right = rect.left + txtsize.cx + 2;
1512 rect.top = dis->rcItem.top;
1513 rect.bottom = dis->rcItem.bottom;
1514 DrawFocusRect(dis->hDC, &rect);
1517 return 0;
1521 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1523 if (infoPtr->hwndCombo)
1524 DestroyWindow (infoPtr->hwndCombo);
1526 if (infoPtr->edit) {
1527 Free (infoPtr->edit);
1528 infoPtr->edit = 0;
1531 if (infoPtr->items) {
1532 CBE_ITEMDATA *item, *next;
1534 item = infoPtr->items;
1535 while (item) {
1536 next = (CBE_ITEMDATA *)item->next;
1537 COMBOEX_FreeText (item);
1538 Free (item);
1539 item = next;
1541 infoPtr->items = 0;
1544 if (infoPtr->defaultFont)
1545 DeleteObject (infoPtr->defaultFont);
1547 /* free comboex info data */
1548 Free (infoPtr);
1549 SetWindowLongW (infoPtr->hwndSelf, 0, 0);
1550 return 0;
1554 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO *infoPtr, MEASUREITEMSTRUCT *mis)
1556 SIZE mysize;
1557 HDC hdc;
1559 hdc = GetDC (0);
1560 GetTextExtentPointA (hdc, "W", 1, &mysize);
1561 ReleaseDC (0, hdc);
1562 mis->itemHeight = mysize.cy + CBE_EXTRA;
1564 TRACE("adjusted height hwnd=%p, height=%d\n",
1565 infoPtr->hwndSelf, mis->itemHeight);
1567 return 0;
1571 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1573 /* WARNING: The COMBOEX_INFO structure is not yet created */
1574 DWORD oldstyle, newstyle;
1576 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1577 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL);
1578 if (newstyle != oldstyle) {
1579 TRACE("req style %08lx, reseting style %08lx\n",
1580 oldstyle, newstyle);
1581 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1583 return 1;
1587 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1589 if (lParam == NF_REQUERY) {
1590 INT i = SendMessageW(GetParent (infoPtr->hwndSelf),
1591 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1592 infoPtr->NtfUnicode = (i == NFR_UNICODE) ? 1 : 0;
1594 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1598 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1600 TRACE("(width=%d, height=%d)\n", width, height);
1602 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1604 COMBOEX_AdjustEditPos (infoPtr);
1606 return 0;
1610 static LRESULT COMBOEX_WindowPosChanging (COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1612 RECT cbx_wrect, cbx_crect, cb_wrect;
1613 UINT width, height;
1615 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1616 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1617 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1619 /* width is winpos value + border width of comboex */
1620 width = wp->cx
1621 + (cbx_wrect.right-cbx_wrect.left)
1622 - (cbx_crect.right-cbx_crect.left);
1624 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1625 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1626 TRACE("EX window=(%ld,%ld)-(%ld,%ld), client=(%ld,%ld)-(%ld,%ld)\n",
1627 cbx_wrect.left, cbx_wrect.top, cbx_wrect.right, cbx_wrect.bottom,
1628 cbx_crect.left, cbx_crect.top, cbx_crect.right, cbx_crect.bottom);
1629 TRACE("CB window=(%ld,%ld)-(%ld,%ld), EX setting=(0,0)-(%d,%ld)\n",
1630 cb_wrect.left, cb_wrect.top, cb_wrect.right, cb_wrect.bottom,
1631 width, cb_wrect.bottom-cb_wrect.top);
1633 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1634 width,
1635 cb_wrect.bottom-cb_wrect.top,
1636 SWP_NOACTIVATE);
1638 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1640 /* height is combo window height plus border width of comboex */
1641 height = (cb_wrect.bottom-cb_wrect.top)
1642 + (cbx_wrect.bottom-cbx_wrect.top)
1643 - (cbx_crect.bottom-cbx_crect.top);
1644 if (wp->cy < height) wp->cy = height;
1645 if (infoPtr->hwndEdit) {
1646 COMBOEX_AdjustEditPos (infoPtr);
1647 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1650 return 0;
1653 static inline int is_delimiter(WCHAR c)
1655 switch(c) {
1656 case '/':
1657 case '\\':
1658 case '.':
1659 return TRUE;
1661 return FALSE;
1664 static int CALLBACK
1665 COMBOEX_PathWordBreakProc(LPWSTR lpch, int ichCurrent, int cch, int code)
1667 if (code == WB_ISDELIMITER) {
1668 return is_delimiter(lpch[ichCurrent]);
1669 } else {
1670 int dir = (code == WB_LEFT) ? -1 : 1;
1671 for(; 0 <= ichCurrent && ichCurrent < cch; ichCurrent += dir)
1672 if (is_delimiter(lpch[ichCurrent])) return ichCurrent;
1674 return ichCurrent;
1677 static LRESULT WINAPI
1678 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1680 HWND hwndComboex = (HWND)GetPropA(hwnd, COMBOEX_SUBCLASS_PROP);
1681 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1682 NMCBEENDEDITW cbeend;
1683 WCHAR edit_text[260];
1684 COLORREF obkc;
1685 HDC hDC;
1686 RECT rect;
1687 LRESULT lret;
1689 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx, info_ptr=%p\n",
1690 hwnd, uMsg, wParam, lParam, infoPtr);
1692 if (!infoPtr) return 0;
1694 switch (uMsg)
1697 case WM_CHAR:
1698 /* handle (ignore) the return character */
1699 if (wParam == VK_RETURN) return 0;
1700 /* all other characters pass into the real Edit */
1701 return CallWindowProcW (infoPtr->prevEditWndProc,
1702 hwnd, uMsg, wParam, lParam);
1704 case WM_ERASEBKGND:
1706 * The following was determined by traces of the native
1708 hDC = (HDC) wParam;
1709 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1710 GetClientRect (hwnd, &rect);
1711 TRACE("erasing (%ld,%ld)-(%ld,%ld)\n",
1712 rect.left, rect.top, rect.right, rect.bottom);
1713 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1714 SetBkColor (hDC, obkc);
1715 return CallWindowProcW (infoPtr->prevEditWndProc,
1716 hwnd, uMsg, wParam, lParam);
1718 case WM_KEYDOWN: {
1719 INT oldItem, selected, step = 1;
1720 CBE_ITEMDATA *item;
1722 switch ((INT)wParam)
1724 case VK_ESCAPE:
1725 /* native version seems to do following for COMBOEX */
1727 * GetWindowTextA(Edit,&?, 0x104) x
1728 * CB_GETCURSEL to Combo rets -1 x
1729 * WM_NOTIFY to COMBOEX parent (rebar) x
1730 * (CBEN_ENDEDIT{A|W}
1731 * fChanged = FALSE x
1732 * inewSelection = -1 x
1733 * txt="www.hoho" x
1734 * iWhy = 3 x
1735 * CB_GETCURSEL to Combo rets -1 x
1736 * InvalidateRect(Combo, 0) x
1737 * WM_SETTEXT to Edit x
1738 * EM_SETSEL to Edit (0,0) x
1739 * EM_SETSEL to Edit (0,-1) x
1740 * RedrawWindow(Combo, 0, 0, 5) x
1742 TRACE("special code for VK_ESCAPE\n");
1744 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1746 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1747 cbeend.fChanged = FALSE;
1748 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1749 CB_GETCURSEL, 0, 0);
1750 cbeend.iWhy = CBENF_ESCAPE;
1752 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1753 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1754 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1755 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1756 ERR("item %d not found. Problem!\n", oldItem);
1757 break;
1759 infoPtr->selected = oldItem;
1760 COMBOEX_SetEditText (infoPtr, item);
1761 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1762 RDW_INVALIDATE);
1763 break;
1765 case VK_RETURN:
1766 /* native version seems to do following for COMBOEX */
1768 * GetWindowTextA(Edit,&?, 0x104) x
1769 * CB_GETCURSEL to Combo rets -1 x
1770 * CB_GETCOUNT to Combo rets 0
1771 * if >0 loop
1772 * CB_GETITEMDATA to match
1773 * *** above 3 lines simulated by FindItem x
1774 * WM_NOTIFY to COMBOEX parent (rebar) x
1775 * (CBEN_ENDEDIT{A|W} x
1776 * fChanged = TRUE (-1) x
1777 * iNewSelection = -1 or selected x
1778 * txt= x
1779 * iWhy = 2 (CBENF_RETURN) x
1780 * CB_GETCURSEL to Combo rets -1 x
1781 * if -1 send CB_SETCURSEL to Combo -1 x
1782 * InvalidateRect(Combo, 0, 0) x
1783 * SetFocus(Edit) x
1784 * CallWindowProc(406615a8, Edit, 0x100, 0xd, 0x1c0001)
1787 TRACE("special code for VK_RETURN\n");
1789 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1791 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1792 selected = SendMessageW (infoPtr->hwndCombo,
1793 CB_GETCURSEL, 0, 0);
1795 if (selected != -1) {
1796 cmp_func_t cmptext = get_cmp_func(infoPtr);
1797 item = COMBOEX_FindItem (infoPtr, selected);
1798 TRACE("handling VK_RETURN, selected = %d, selected_text=%s\n",
1799 selected, debugstr_txt(item->pszText));
1800 TRACE("handling VK_RETURN, edittext=%s\n",
1801 debugstr_w(edit_text));
1802 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1803 /* strings not equal -- indicate edit has changed */
1804 selected = -1;
1808 cbeend.iNewSelection = selected;
1809 cbeend.fChanged = TRUE;
1810 cbeend.iWhy = CBENF_RETURN;
1811 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1812 /* abort the change, restore previous */
1813 TRACE("Notify requested abort of change\n");
1814 COMBOEX_SetEditText (infoPtr, infoPtr->edit);
1815 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1816 RDW_INVALIDATE);
1817 return 0;
1819 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1820 if (oldItem != -1) {
1821 /* if something is selected, then deselect it */
1822 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL,
1823 (WPARAM)-1, 0);
1825 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1826 SetFocus(infoPtr->hwndEdit);
1827 break;
1829 case VK_UP:
1830 step = -1;
1831 case VK_DOWN:
1832 /* by default, step is 1 */
1833 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1834 if (oldItem >= 0 && oldItem + step >= 0)
1835 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1836 return 0;
1837 default:
1838 return CallWindowProcW (infoPtr->prevEditWndProc,
1839 hwnd, uMsg, wParam, lParam);
1841 return 0;
1844 case WM_SETFOCUS:
1845 /* remember the focus to set state of icon */
1846 lret = CallWindowProcW (infoPtr->prevEditWndProc,
1847 hwnd, uMsg, wParam, lParam);
1848 infoPtr->flags |= WCBE_EDITFOCUSED;
1849 return lret;
1851 case WM_KILLFOCUS:
1853 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1855 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1856 if (infoPtr->flags & WCBE_ACTEDIT) {
1857 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1859 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1860 cbeend.fChanged = FALSE;
1861 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1862 CB_GETCURSEL, 0, 0);
1863 cbeend.iWhy = CBENF_KILLFOCUS;
1865 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1867 /* fall through */
1869 default:
1870 return CallWindowProcW (infoPtr->prevEditWndProc,
1871 hwnd, uMsg, wParam, lParam);
1873 return 0;
1877 static LRESULT WINAPI
1878 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1880 HWND hwndComboex = (HWND)GetPropA(hwnd, COMBOEX_SUBCLASS_PROP);
1881 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1882 NMCBEENDEDITW cbeend;
1883 NMMOUSE nmmse;
1884 COLORREF obkc;
1885 HDC hDC;
1886 HWND focusedhwnd;
1887 RECT rect;
1888 POINT pt;
1889 WCHAR edit_text[260];
1891 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx, info_ptr=%p\n",
1892 hwnd, uMsg, wParam, lParam, infoPtr);
1894 if (!infoPtr) return 0;
1896 switch (uMsg)
1899 case WM_DRAWITEM:
1901 * The only way this message should come is from the
1902 * child Listbox issuing the message. Flag this so
1903 * that ComboEx knows this is listbox.
1905 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1906 return CallWindowProcW (infoPtr->prevComboWndProc,
1907 hwnd, uMsg, wParam, lParam);
1909 case WM_ERASEBKGND:
1911 * The following was determined by traces of the native
1913 hDC = (HDC) wParam;
1914 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1915 GetClientRect (hwnd, &rect);
1916 TRACE("erasing (%ld,%ld)-(%ld,%ld)\n",
1917 rect.left, rect.top, rect.right, rect.bottom);
1918 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1919 SetBkColor (hDC, obkc);
1920 return CallWindowProcW (infoPtr->prevComboWndProc,
1921 hwnd, uMsg, wParam, lParam);
1923 case WM_SETCURSOR:
1925 * WM_NOTIFY to comboex parent (rebar)
1926 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1927 * CallWindowProc (previous)
1929 nmmse.dwItemSpec = 0;
1930 nmmse.dwItemData = 0;
1931 nmmse.pt.x = 0;
1932 nmmse.pt.y = 0;
1933 nmmse.dwHitInfo = lParam;
1934 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1935 return CallWindowProcW (infoPtr->prevComboWndProc,
1936 hwnd, uMsg, wParam, lParam);
1938 case WM_LBUTTONDOWN:
1939 GetClientRect (hwnd, &rect);
1940 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1941 CB_GETITEMHEIGHT, -1, 0);
1942 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1943 POINTSTOPOINT(pt, MAKEPOINTS(lParam));
1944 if (PtInRect(&rect, pt))
1945 return CallWindowProcW (infoPtr->prevComboWndProc,
1946 hwnd, uMsg, wParam, lParam);
1947 infoPtr->flags |= WCBE_MOUSECAPTURED;
1948 SetCapture(hwnd);
1949 break;
1951 case WM_LBUTTONUP:
1952 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1953 return CallWindowProcW (infoPtr->prevComboWndProc,
1954 hwnd, uMsg, wParam, lParam);
1955 ReleaseCapture();
1956 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1957 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1958 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1959 } else {
1960 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1962 break;
1964 case WM_MOUSEMOVE:
1965 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
1966 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
1967 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1968 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
1969 infoPtr->flags |= WCBE_MOUSEDRAGGED;
1971 return CallWindowProcW (infoPtr->prevComboWndProc,
1972 hwnd, uMsg, wParam, lParam);
1974 case WM_COMMAND:
1975 switch (HIWORD(wParam)) {
1977 case EN_UPDATE:
1978 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
1979 * on the EN_UPDATE
1981 return 0;
1983 case EN_KILLFOCUS:
1985 * Native does:
1987 * GetFocus() retns AA
1988 * GetWindowTextA(Edit)
1989 * CB_GETCURSEL(Combo) (got -1)
1990 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1991 * CB_GETCURSEL(Combo) (got -1)
1992 * InvalidateRect(Combo, 0, 0)
1993 * WM_KILLFOCUS(Combo, AA)
1994 * return 0;
1996 focusedhwnd = GetFocus();
1997 if (infoPtr->flags & WCBE_ACTEDIT) {
1998 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1999 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
2000 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
2001 CB_GETCURSEL, 0, 0);
2002 cbeend.iWhy = CBENF_KILLFOCUS;
2004 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
2005 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
2007 /* possible CB_GETCURSEL */
2008 InvalidateRect (infoPtr->hwndCombo, 0, 0);
2009 if (focusedhwnd)
2010 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
2011 (WPARAM)focusedhwnd, 0);
2012 return 0;
2014 case EN_SETFOCUS: {
2016 * For EN_SETFOCUS this issues the same calls and messages
2017 * as the native seems to do.
2019 * for some cases however native does the following:
2020 * (noticed after SetFocus during LBUTTONDOWN on
2021 * on dropdown arrow)
2022 * WM_GETTEXTLENGTH (Edit);
2023 * WM_GETTEXT (Edit, len+1, str);
2024 * EM_SETSEL (Edit, 0, 0);
2025 * WM_GETTEXTLENGTH (Edit);
2026 * WM_GETTEXT (Edit, len+1, str);
2027 * EM_SETSEL (Edit, 0, len);
2028 * WM_NOTIFY (parent, CBEN_BEGINEDIT)
2030 NMHDR hdr;
2032 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
2033 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
2034 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
2035 infoPtr->flags |= WCBE_ACTEDIT;
2036 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
2037 return 0;
2040 case EN_CHANGE: {
2042 * For EN_CHANGE this issues the same calls and messages
2043 * as the native seems to do.
2045 WCHAR edit_text[260];
2046 LPCWSTR lastwrk;
2047 cmp_func_t cmptext = get_cmp_func(infoPtr);
2049 INT selected = SendMessageW (infoPtr->hwndCombo,
2050 CB_GETCURSEL, 0, 0);
2052 /* lstrlenA( lastworkingURL ) */
2054 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2055 if (selected == -1) {
2056 lastwrk = infoPtr->edit->pszText;
2058 else {
2059 CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
2060 lastwrk = COMBOEX_GetText(infoPtr, item);
2063 TRACE("handling EN_CHANGE, selected = %d, selected_text=%s\n",
2064 selected, debugstr_w(lastwrk));
2065 TRACE("handling EN_CHANGE, edittext=%s\n",
2066 debugstr_w(edit_text));
2068 /* cmptext is between lastworkingURL and GetWindowText */
2069 if (cmptext (lastwrk, edit_text)) {
2070 /* strings not equal -- indicate edit has changed */
2071 infoPtr->flags |= WCBE_EDITCHG;
2073 SendMessageW ( GetParent(infoPtr->hwndSelf), WM_COMMAND,
2074 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
2075 CBN_EDITCHANGE),
2076 (LPARAM)infoPtr->hwndSelf);
2077 return 0;
2080 case LBN_SELCHANGE:
2082 * Therefore from traces there is no additional code here
2086 * Using native COMCTL32 gets the following:
2087 * 1 == SHDOCVW.DLL issues call/message
2088 * 2 == COMCTL32.DLL issues call/message
2089 * 3 == WINE issues call/message
2092 * for LBN_SELCHANGE:
2093 * 1 CB_GETCURSEL(ComboEx)
2094 * 1 CB_GETDROPPEDSTATE(ComboEx)
2095 * 1 CallWindowProc( *2* for WM_COMMAND(LBN_SELCHANGE)
2096 * 2 CallWindowProc( *3* for WM_COMMAND(LBN_SELCHANGE)
2097 ** call CBRollUp( xxx, TRUE for LBN_SELCHANGE, TRUE)
2098 * 3 WM_COMMAND(ComboEx, CBN_SELENDOK)
2099 * WM_USER+49(ComboLB, 1,0) <=============!!!!!!!!!!!
2100 * 3 ShowWindow(ComboLB, SW_HIDE)
2101 * 3 RedrawWindow(Combo, RDW_UPDATENOW)
2102 * 3 WM_COMMAND(ComboEX, CBN_CLOSEUP)
2103 ** end of CBRollUp
2104 * 3 WM_COMMAND(ComboEx, CBN_SELCHANGE) (echo to parent)
2105 * ? LB_GETCURSEL <==|
2106 * ? LB_GETTEXTLEN |
2107 * ? LB_GETTEXT | Needs to be added to
2108 * ? WM_CTLCOLOREDIT(ComboEx) | Combo processing
2109 * ? LB_GETITEMDATA |
2110 * ? WM_DRAWITEM(ComboEx) <==|
2112 default:
2113 break;
2114 }/* fall through */
2115 default:
2116 return CallWindowProcW (infoPtr->prevComboWndProc,
2117 hwnd, uMsg, wParam, lParam);
2119 return 0;
2123 static LRESULT WINAPI
2124 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2126 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
2128 TRACE("hwnd=%p msg=%x wparam=%x lParam=%lx\n", hwnd, uMsg, wParam, lParam);
2130 if (!infoPtr) {
2131 if (uMsg == WM_CREATE)
2132 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2133 if (uMsg == WM_NCCREATE)
2134 COMBOEX_NCCreate (hwnd);
2135 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2138 switch (uMsg)
2140 case CBEM_DELETEITEM:
2141 return COMBOEX_DeleteItem (infoPtr, wParam);
2143 case CBEM_GETCOMBOCONTROL:
2144 return (LRESULT)infoPtr->hwndCombo;
2146 case CBEM_GETEDITCONTROL:
2147 return (LRESULT)infoPtr->hwndEdit;
2149 case CBEM_GETEXTENDEDSTYLE:
2150 return infoPtr->dwExtStyle;
2152 case CBEM_GETIMAGELIST:
2153 return (LRESULT)infoPtr->himl;
2155 case CBEM_GETITEMA:
2156 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2158 case CBEM_GETITEMW:
2159 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2161 case CBEM_GETUNICODEFORMAT:
2162 return infoPtr->unicode;
2164 case CBEM_HASEDITCHANGED:
2165 return COMBOEX_HasEditChanged (infoPtr);
2167 case CBEM_INSERTITEMA:
2168 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2170 case CBEM_INSERTITEMW:
2171 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2173 case CBEM_SETEXSTYLE:
2174 case CBEM_SETEXTENDEDSTYLE:
2175 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2177 case CBEM_SETIMAGELIST:
2178 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2180 case CBEM_SETITEMA:
2181 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2183 case CBEM_SETITEMW:
2184 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2186 case CBEM_SETUNICODEFORMAT:
2187 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2189 /*case CBEM_SETWINDOWTHEME:
2190 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2192 case WM_SETTEXT:
2193 case WM_GETTEXT:
2194 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2196 /* Combo messages we are not sure if we need to process or just forward */
2197 case CB_GETDROPPEDCONTROLRECT:
2198 case CB_GETITEMHEIGHT:
2199 case CB_GETLBTEXT:
2200 case CB_GETLBTEXTLEN:
2201 case CB_GETEXTENDEDUI:
2202 case CB_LIMITTEXT:
2203 case CB_RESETCONTENT:
2204 case CB_SELECTSTRING:
2206 /* Combo messages OK to just forward to the regular COMBO */
2207 case CB_GETCOUNT:
2208 case CB_GETCURSEL:
2209 case CB_GETDROPPEDSTATE:
2210 case CB_SETDROPPEDWIDTH:
2211 case CB_SETEXTENDEDUI:
2212 case CB_SHOWDROPDOWN:
2213 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2215 /* Combo messages we need to process specially */
2216 case CB_FINDSTRINGEXACT:
2217 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2219 case CB_GETITEMDATA:
2220 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2222 case CB_SETCURSEL:
2223 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2225 case CB_SETITEMDATA:
2226 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD)lParam);
2228 case CB_SETITEMHEIGHT:
2229 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2233 /* Window messages passed to parent */
2234 case WM_COMMAND:
2235 return COMBOEX_Command (infoPtr, wParam, lParam);
2237 case WM_NOTIFY:
2238 if (infoPtr->NtfUnicode)
2239 return SendMessageW (GetParent (hwnd), uMsg, wParam, lParam);
2240 else
2241 return SendMessageA (GetParent (hwnd), uMsg, wParam, lParam);
2244 /* Window messages we need to process */
2245 case WM_DELETEITEM:
2246 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2248 case WM_DRAWITEM:
2249 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2251 case WM_DESTROY:
2252 return COMBOEX_Destroy (infoPtr);
2254 case WM_MEASUREITEM:
2255 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2257 case WM_NOTIFYFORMAT:
2258 return COMBOEX_NotifyFormat (infoPtr, lParam);
2260 case WM_SIZE:
2261 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2263 case WM_WINDOWPOSCHANGING:
2264 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2266 default:
2267 if ((uMsg >= WM_USER) && (uMsg < WM_APP))
2268 ERR("unknown msg %04x wp=%08x lp=%08lx\n",uMsg,wParam,lParam);
2269 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2271 return 0;
2275 void COMBOEX_Register (void)
2277 WNDCLASSW wndClass;
2279 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2280 wndClass.style = CS_GLOBALCLASS;
2281 wndClass.lpfnWndProc = (WNDPROC)COMBOEX_WindowProc;
2282 wndClass.cbClsExtra = 0;
2283 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2284 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2285 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2286 wndClass.lpszClassName = WC_COMBOBOXEXW;
2288 RegisterClassW (&wndClass);
2292 void COMBOEX_Unregister (void)
2294 UnregisterClassW (WC_COMBOBOXEXW, NULL);