comctl32: Remove superfluous casts as HANDLE to other handle types.
[wine/multimedia.git] / dlls / comctl32 / comboex.c
blobaa5af6edcc3a30e8e7e121b0bbc21de899fe7424
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 WNDPROC prevEditWndProc; /* previous Edit WNDPROC value */
71 WNDPROC prevComboWndProc; /* previous Combo WNDPROC value */
72 DWORD dwExtStyle;
73 INT selected; /* index of selected item */
74 DWORD flags; /* WINE internal flags */
75 HFONT defaultFont;
76 HFONT font;
77 INT nb_items; /* Number of items */
78 BOOL unicode; /* TRUE if this window is Unicode */
79 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
80 CBE_ITEMDATA *edit; /* item data for edit item */
81 CBE_ITEMDATA *items; /* Array of items */
82 } COMBOEX_INFO;
84 /* internal flags in the COMBOEX_INFO structure */
85 #define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
86 * CBEN_BEGINEDIT issued
87 * but CBEN_ENDEDIT{A|W}
88 * not yet issued. */
89 #define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
90 #define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
91 #define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
92 #define WCBE_MOUSECAPTURED 0x00000008 /* Combo has captured mouse */
93 #define WCBE_MOUSEDRAGGED 0x00000010 /* User has dragged in combo */
95 #define ID_CB_EDIT 1001
99 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
100 * the ComboEx version of the Combo Window Proc so that when the
101 * WM_DRAWITEM message is then passed to ComboEx, we know that this
102 * particular WM_DRAWITEM message is for listbox only items. Any messasges
103 * without this flag is then for the Edit control field.
105 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
106 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
108 #define ODS_COMBOEXLBOX 0x4000
112 /* Height in pixels of control over the amount of the selected font */
113 #define CBE_EXTRA 3
115 /* Indent amount per MS documentation */
116 #define CBE_INDENT 10
118 /* Offset in pixels from left side for start of image or text */
119 #define CBE_STARTOFFSET 6
121 /* Offset between image and text */
122 #define CBE_SEP 4
124 static const WCHAR COMBOEX_SUBCLASS_PROP[] = {
125 'C','C','C','o','m','b','o','E','x','3','2',
126 'S','u','b','c','l','a','s','s','I','n','f','o',0
129 #define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongPtrW (hwnd, 0))
132 /* Things common to the entire DLL */
133 static LRESULT WINAPI COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
134 static LRESULT WINAPI COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
135 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
136 typedef INT (WINAPI *cmp_func_t)(LPCWSTR, LPCWSTR);
138 static inline BOOL is_textW(LPCWSTR str)
140 return str && str != LPSTR_TEXTCALLBACKW;
143 static inline BOOL is_textA(LPCSTR str)
145 return str && str != LPSTR_TEXTCALLBACKA;
148 static inline LPCSTR debugstr_txt(LPCWSTR str)
150 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
151 return debugstr_w(str);
154 static void COMBOEX_DumpItem (CBE_ITEMDATA const *item)
156 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
157 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
158 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
159 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
160 if (item->mask & CBEIF_TEXT)
161 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
165 static void COMBOEX_DumpInput (COMBOBOXEXITEMW const *input)
167 TRACE("input - mask=%08x, iItem=%d, pszText=%p, cchTM=%d, iImage=%d\n",
168 input->mask, input->iItem, input->pszText, input->cchTextMax,
169 input->iImage);
170 if (input->mask & CBEIF_TEXT)
171 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
172 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
173 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
177 static inline CBE_ITEMDATA *get_item_data(COMBOEX_INFO *infoPtr, INT index)
179 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
180 (WPARAM)index, 0);
183 static inline cmp_func_t get_cmp_func(COMBOEX_INFO const *infoPtr)
185 return infoPtr->dwExtStyle & CBES_EX_CASESENSITIVE ? lstrcmpW : lstrcmpiW;
188 static INT COMBOEX_Notify (COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
190 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
191 hdr->hwndFrom = infoPtr->hwndSelf;
192 hdr->code = code;
193 if (infoPtr->NtfUnicode)
194 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
195 else
196 return SendMessageA (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
200 static INT
201 COMBOEX_NotifyItem (COMBOEX_INFO *infoPtr, UINT code, NMCOMBOBOXEXW *hdr)
203 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
204 if (infoPtr->NtfUnicode)
205 return COMBOEX_Notify (infoPtr, code, &hdr->hdr);
206 else {
207 LPWSTR wstr = hdr->ceItem.pszText;
208 LPSTR astr = 0;
209 INT ret, len = 0;
211 if ((hdr->ceItem.mask & CBEIF_TEXT) && is_textW(wstr)) {
212 len = WideCharToMultiByte (CP_ACP, 0, wstr, -1, 0, 0, NULL, NULL);
213 if (len > 0) {
214 astr = Alloc ((len + 1)*sizeof(CHAR));
215 if (!astr) return 0;
216 WideCharToMultiByte (CP_ACP, 0, wstr, -1, astr, len, 0, 0);
217 hdr->ceItem.pszText = (LPWSTR)astr;
221 if (code == CBEN_ENDEDITW) code = CBEN_ENDEDITA;
222 else if (code == CBEN_GETDISPINFOW) code = CBEN_GETDISPINFOA;
223 else if (code == CBEN_DRAGBEGINW) code = CBEN_DRAGBEGINA;
225 ret = COMBOEX_Notify (infoPtr, code, (NMHDR *)hdr);
227 if (astr && hdr->ceItem.pszText == (LPWSTR)astr)
228 hdr->ceItem.pszText = wstr;
230 Free(astr);
232 return ret;
237 static INT COMBOEX_NotifyEndEdit (COMBOEX_INFO *infoPtr, NMCBEENDEDITW *neew, LPCWSTR wstr)
239 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
240 if (infoPtr->NtfUnicode) {
241 lstrcpynW(neew->szText, wstr, CBEMAXSTRLEN);
242 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITW, &neew->hdr);
243 } else {
244 NMCBEENDEDITA neea;
246 neea.hdr = neew->hdr;
247 neea.fChanged = neew->fChanged;
248 neea.iNewSelection = neew->iNewSelection;
249 WideCharToMultiByte (CP_ACP, 0, wstr, -1, neea.szText, CBEMAXSTRLEN, 0, 0);
250 neea.iWhy = neew->iWhy;
252 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITA, &neea.hdr);
257 static void COMBOEX_NotifyDragBegin(COMBOEX_INFO *infoPtr, LPCWSTR wstr)
259 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
260 if (infoPtr->NtfUnicode) {
261 NMCBEDRAGBEGINW ndbw;
263 ndbw.iItemid = -1;
264 lstrcpynW(ndbw.szText, wstr, CBEMAXSTRLEN);
265 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINW, &ndbw.hdr);
266 } else {
267 NMCBEDRAGBEGINA ndba;
269 ndba.iItemid = -1;
270 WideCharToMultiByte (CP_ACP, 0, wstr, -1, ndba.szText, CBEMAXSTRLEN, 0, 0);
272 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINA, &ndba.hdr);
277 static void COMBOEX_FreeText (CBE_ITEMDATA *item)
279 if (is_textW(item->pszText)) Free(item->pszText);
280 item->pszText = 0;
281 Free(item->pszTemp);
282 item->pszTemp = 0;
286 static INT COMBOEX_GetIndex(COMBOEX_INFO const *infoPtr, CBE_ITEMDATA const *item)
288 CBE_ITEMDATA const *moving;
289 INT index;
291 moving = infoPtr->items;
292 index = infoPtr->nb_items - 1;
294 while (moving && (moving != item)) {
295 moving = moving->next;
296 index--;
298 if (!moving || (index < 0)) {
299 ERR("COMBOBOXEX item structures broken. Please report!\n");
300 return -1;
302 return index;
306 static LPCWSTR COMBOEX_GetText(COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
308 NMCOMBOBOXEXW nmce;
309 LPWSTR text, buf;
310 INT len;
312 if (item->pszText != LPSTR_TEXTCALLBACKW)
313 return item->pszText;
315 ZeroMemory(&nmce, sizeof(nmce));
316 nmce.ceItem.mask = CBEIF_TEXT;
317 nmce.ceItem.lParam = item->lParam;
318 nmce.ceItem.iItem = COMBOEX_GetIndex(infoPtr, item);
319 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
321 if (is_textW(nmce.ceItem.pszText)) {
322 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
323 buf = Alloc ((len + 1)*sizeof(WCHAR));
324 if (buf)
325 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
326 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
327 COMBOEX_FreeText(item);
328 item->pszText = buf;
329 } else {
330 Free(item->pszTemp);
331 item->pszTemp = buf;
333 text = buf;
334 } else
335 text = nmce.ceItem.pszText;
337 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
338 item->pszText = text;
339 return text;
343 static void COMBOEX_GetComboFontSize (COMBOEX_INFO *infoPtr, SIZE *size)
345 static const WCHAR strA[] = { 'A', 0 };
346 HFONT nfont, ofont;
347 HDC mydc;
349 mydc = GetDC (0); /* why the entire screen???? */
350 nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
351 ofont = SelectObject (mydc, nfont);
352 GetTextExtentPointW (mydc, strA, 1, size);
353 SelectObject (mydc, ofont);
354 ReleaseDC (0, mydc);
355 TRACE("selected font hwnd=%p, height=%d\n", nfont, size->cy);
359 static void COMBOEX_CopyItem (CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
361 if (cit->mask & CBEIF_TEXT) {
363 * when given a text buffer actually use that buffer
365 if (cit->pszText) {
366 if (is_textW(item->pszText))
367 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
368 else
369 cit->pszText[0] = 0;
370 } else {
371 cit->pszText = item->pszText;
372 cit->cchTextMax = item->cchTextMax;
375 if (cit->mask & CBEIF_IMAGE)
376 cit->iImage = item->iImage;
377 if (cit->mask & CBEIF_SELECTEDIMAGE)
378 cit->iSelectedImage = item->iSelectedImage;
379 if (cit->mask & CBEIF_OVERLAY)
380 cit->iOverlay = item->iOverlay;
381 if (cit->mask & CBEIF_INDENT)
382 cit->iIndent = item->iIndent;
383 if (cit->mask & CBEIF_LPARAM)
384 cit->lParam = item->lParam;
388 static void COMBOEX_AdjustEditPos (COMBOEX_INFO *infoPtr)
390 SIZE mysize;
391 INT x, y, w, h, xioff;
392 RECT rect;
394 if (!infoPtr->hwndEdit) return;
396 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
397 IMAGEINFO iinfo;
398 iinfo.rcImage.left = iinfo.rcImage.right = 0;
399 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
400 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
401 } else xioff = 0;
403 GetClientRect (infoPtr->hwndCombo, &rect);
404 InflateRect (&rect, -2, -2);
405 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
407 /* reposition the Edit control based on whether icon exists */
408 COMBOEX_GetComboFontSize (infoPtr, &mysize);
409 TRACE("Combo font x=%d, y=%d\n", mysize.cx, mysize.cy);
410 x = xioff + CBE_STARTOFFSET + 1;
411 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
412 h = mysize.cy + 1;
413 y = rect.bottom - h - 1;
415 TRACE("Combo client (%s), setting Edit to (%d,%d)-(%d,%d)\n",
416 wine_dbgstr_rect(&rect), x, y, x + w, y + h);
417 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
418 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
422 static void COMBOEX_ReSize (COMBOEX_INFO *infoPtr)
424 SIZE mysize;
425 LONG cy;
426 IMAGEINFO iinfo;
428 COMBOEX_GetComboFontSize (infoPtr, &mysize);
429 cy = mysize.cy + CBE_EXTRA;
430 if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
431 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
432 TRACE("upgraded height due to image: height=%d\n", cy);
434 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, (WPARAM)-1, (LPARAM)cy);
435 if (infoPtr->hwndCombo) {
436 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
437 (WPARAM) 0, (LPARAM) cy);
438 if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
439 RECT comboRect;
440 if (GetWindowRect(infoPtr->hwndCombo, &comboRect)) {
441 RECT ourRect;
442 if (GetWindowRect(infoPtr->hwndSelf, &ourRect)) {
443 if (comboRect.bottom > ourRect.bottom) {
444 POINT pt = { ourRect.left, ourRect.top };
445 if (ScreenToClient(infoPtr->hwndSelf, &pt))
446 MoveWindow( infoPtr->hwndSelf, pt.x, pt.y, ourRect.right - ourRect.left,
447 comboRect.bottom - comboRect.top, FALSE);
456 static void COMBOEX_SetEditText (COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
458 if (!infoPtr->hwndEdit) return;
459 /* native issues the following messages to the {Edit} control */
460 /* WM_SETTEXT (0,addr) */
461 /* EM_SETSEL32 (0,0) */
462 /* EM_SETSEL32 (0,-1) */
463 if (item->mask & CBEIF_TEXT) {
464 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
465 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
466 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
471 static CBE_ITEMDATA * COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT index)
473 CBE_ITEMDATA *item;
474 INT i;
476 if ((index >= infoPtr->nb_items) || (index < -1))
477 return 0;
478 if (index == -1)
479 return infoPtr->edit;
480 item = infoPtr->items;
481 i = infoPtr->nb_items - 1;
483 /* find the item in the list */
484 while (item && (i > index)) {
485 item = item->next;
486 i--;
488 if (!item || (i != index)) {
489 ERR("COMBOBOXEX item structures broken. Please report!\n");
490 return 0;
492 return item;
496 static inline BOOL COMBOEX_HasEdit(COMBOEX_INFO const *infoPtr)
498 return infoPtr->hwndEdit ? TRUE : FALSE;
502 /* *** CBEM_xxx message support *** */
504 static UINT COMBOEX_GetListboxText(COMBOEX_INFO *infoPtr, int n, LPWSTR buf)
506 CBE_ITEMDATA *item;
507 LPCWSTR str;
509 item = COMBOEX_FindItem(infoPtr, n);
510 if (!item)
511 return 0;
513 str = COMBOEX_GetText(infoPtr, item);
515 if (infoPtr->unicode)
517 if (buf)
518 lstrcpyW(buf, str);
519 return lstrlenW(str);
521 else
523 UINT r;
524 r = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buf, 0x40000000, NULL, NULL);
525 if (r) r--;
526 return r;
531 static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT index)
533 TRACE("(index=%d)\n", index);
535 /* if item number requested does not exist then return failure */
536 if ((index >= infoPtr->nb_items) || (index < 0)) return CB_ERR;
537 if (!COMBOEX_FindItem(infoPtr, index)) return CB_ERR;
539 /* doing this will result in WM_DELETEITEM being issued */
540 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, (WPARAM)index, 0);
542 return infoPtr->nb_items;
546 static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
548 INT index = cit->iItem;
549 CBE_ITEMDATA *item;
551 TRACE("(...)\n");
553 /* if item number requested does not exist then return failure */
554 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
556 /* if the item is the edit control and there is no edit control, skip */
557 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
559 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
561 COMBOEX_CopyItem (item, cit);
563 return TRUE;
567 static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
569 COMBOBOXEXITEMW tmpcit;
571 TRACE("(...)\n");
573 tmpcit.mask = cit->mask;
574 tmpcit.iItem = cit->iItem;
575 tmpcit.pszText = 0;
576 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
578 if (cit->mask & CBEIF_TEXT)
580 if (is_textW(tmpcit.pszText) && cit->pszText)
581 WideCharToMultiByte(CP_ACP, 0, tmpcit.pszText, -1,
582 cit->pszText, cit->cchTextMax, NULL, NULL);
583 else if (cit->pszText) cit->pszText[0] = 0;
584 else cit->pszText = (LPSTR)tmpcit.pszText;
587 if (cit->mask & CBEIF_IMAGE)
588 cit->iImage = tmpcit.iImage;
589 if (cit->mask & CBEIF_SELECTEDIMAGE)
590 cit->iSelectedImage = tmpcit.iSelectedImage;
591 if (cit->mask & CBEIF_OVERLAY)
592 cit->iOverlay = tmpcit.iOverlay;
593 if (cit->mask & CBEIF_INDENT)
594 cit->iIndent = tmpcit.iIndent;
595 if (cit->mask & CBEIF_LPARAM)
596 cit->lParam = tmpcit.lParam;
598 return TRUE;
602 static inline BOOL COMBOEX_HasEditChanged (COMBOEX_INFO const *infoPtr)
604 return COMBOEX_HasEdit(infoPtr) &&
605 (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
609 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW const *cit)
611 INT index;
612 CBE_ITEMDATA *item;
613 NMCOMBOBOXEXW nmcit;
615 TRACE("\n");
617 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
619 /* get real index of item to insert */
620 index = cit->iItem;
621 if (index == -1) index = infoPtr->nb_items;
622 if (index > infoPtr->nb_items) return -1;
624 /* get zero-filled space and chain it in */
625 if(!(item = Alloc (sizeof(*item)))) return -1;
627 /* locate position to insert new item in */
628 if (index == infoPtr->nb_items) {
629 /* fast path for iItem = -1 */
630 item->next = infoPtr->items;
631 infoPtr->items = item;
633 else {
634 INT i = infoPtr->nb_items-1;
635 CBE_ITEMDATA *moving = infoPtr->items;
637 while ((i > index) && moving) {
638 moving = moving->next;
639 i--;
641 if (!moving) {
642 ERR("COMBOBOXEX item structures broken. Please report!\n");
643 Free(item);
644 return -1;
646 item->next = moving->next;
647 moving->next = item;
650 /* fill in our hidden item structure */
651 item->mask = cit->mask;
652 if (item->mask & CBEIF_TEXT) {
653 INT len = 0;
655 if (is_textW(cit->pszText)) len = strlenW (cit->pszText);
656 if (len > 0) {
657 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
658 if (!item->pszText) {
659 Free(item);
660 return -1;
662 strcpyW (item->pszText, cit->pszText);
664 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
665 item->pszText = LPSTR_TEXTCALLBACKW;
666 item->cchTextMax = cit->cchTextMax;
668 if (item->mask & CBEIF_IMAGE)
669 item->iImage = cit->iImage;
670 if (item->mask & CBEIF_SELECTEDIMAGE)
671 item->iSelectedImage = cit->iSelectedImage;
672 if (item->mask & CBEIF_OVERLAY)
673 item->iOverlay = cit->iOverlay;
674 if (item->mask & CBEIF_INDENT)
675 item->iIndent = cit->iIndent;
676 if (item->mask & CBEIF_LPARAM)
677 item->lParam = cit->lParam;
678 infoPtr->nb_items++;
680 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
682 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING,
683 (WPARAM)cit->iItem, (LPARAM)item);
685 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
686 COMBOEX_CopyItem (item, &nmcit.ceItem);
687 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
689 return index;
694 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
696 COMBOBOXEXITEMW citW;
697 LPWSTR wstr = NULL;
698 INT ret;
700 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
701 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
702 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
703 wstr = Alloc ((len + 1)*sizeof(WCHAR));
704 if (!wstr) return -1;
705 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
706 citW.pszText = wstr;
708 ret = COMBOEX_InsertItemW(infoPtr, &citW);
710 Free(wstr);
712 return ret;
716 static DWORD
717 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
719 DWORD dwTemp;
721 TRACE("(mask=x%08x, style=0x%08x)\n", mask, style);
723 dwTemp = infoPtr->dwExtStyle;
725 if (mask)
726 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
727 else
728 infoPtr->dwExtStyle = style;
730 /* see if we need to change the word break proc on the edit */
731 if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC)
732 SetPathWordBreakProc(infoPtr->hwndEdit,
733 (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) ? TRUE : FALSE);
735 /* test if the control's appearance has changed */
736 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
737 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
738 /* if state of EX_NOEDITIMAGE changes, invalidate all */
739 TRACE("EX_NOEDITIMAGE state changed to %d\n",
740 infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
741 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
742 COMBOEX_AdjustEditPos (infoPtr);
743 if (infoPtr->hwndEdit)
744 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
747 return dwTemp;
751 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
753 HIMAGELIST himlTemp = infoPtr->himl;
755 TRACE("(...)\n");
757 infoPtr->himl = himl;
759 COMBOEX_ReSize (infoPtr);
760 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
762 /* reposition the Edit control based on whether icon exists */
763 COMBOEX_AdjustEditPos (infoPtr);
764 return himlTemp;
767 static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
769 INT index = cit->iItem;
770 CBE_ITEMDATA *item;
772 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
774 /* if item number requested does not exist then return failure */
775 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
777 /* if the item is the edit control and there is no edit control, skip */
778 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
780 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
782 /* add/change stuff to the internal item structure */
783 item->mask |= cit->mask;
784 if (cit->mask & CBEIF_TEXT) {
785 INT len = 0;
787 COMBOEX_FreeText(item);
788 if (is_textW(cit->pszText)) len = strlenW(cit->pszText);
789 if (len > 0) {
790 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
791 if (!item->pszText) return FALSE;
792 strcpyW(item->pszText, cit->pszText);
793 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
794 item->pszText = LPSTR_TEXTCALLBACKW;
795 item->cchTextMax = cit->cchTextMax;
797 if (cit->mask & CBEIF_IMAGE)
798 item->iImage = cit->iImage;
799 if (cit->mask & CBEIF_SELECTEDIMAGE)
800 item->iSelectedImage = cit->iSelectedImage;
801 if (cit->mask & CBEIF_OVERLAY)
802 item->iOverlay = cit->iOverlay;
803 if (cit->mask & CBEIF_INDENT)
804 item->iIndent = cit->iIndent;
805 if (cit->mask & CBEIF_LPARAM)
806 cit->lParam = cit->lParam;
808 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
810 /* if original request was to update edit control, do some fast foot work */
811 if (cit->iItem == -1) {
812 COMBOEX_SetEditText (infoPtr, item);
813 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
815 return TRUE;
818 static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
820 COMBOBOXEXITEMW citW;
821 LPWSTR wstr = NULL;
822 BOOL ret;
824 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
825 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
826 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
827 wstr = Alloc ((len + 1)*sizeof(WCHAR));
828 if (!wstr) return FALSE;
829 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
830 citW.pszText = wstr;
832 ret = COMBOEX_SetItemW(infoPtr, &citW);
834 Free(wstr);
836 return ret;
840 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
842 BOOL bTemp = infoPtr->unicode;
844 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
846 infoPtr->unicode = value;
848 return bTemp;
852 /* *** CB_xxx message support *** */
854 static INT
855 COMBOEX_FindStringExact (COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
857 INT i;
858 cmp_func_t cmptext = get_cmp_func(infoPtr);
859 INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
861 /* now search from after starting loc and wrapping back to start */
862 for(i=start+1; i<count; i++) {
863 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
864 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
866 for(i=0; i<=start; i++) {
867 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
868 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
870 return CB_ERR;
874 static DWORD_PTR COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT index)
876 CBE_ITEMDATA const *item1;
877 CBE_ITEMDATA const *item2;
878 DWORD_PTR ret = 0;
880 item1 = get_item_data(infoPtr, index);
881 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
882 item2 = COMBOEX_FindItem (infoPtr, index);
883 if (item2 != item1) {
884 ERR("data structures damaged!\n");
885 return CB_ERR;
887 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
888 TRACE("returning 0x%08lx\n", ret);
889 } else {
890 ret = (DWORD_PTR)item1;
891 TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
893 return ret;
897 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT index)
899 CBE_ITEMDATA *item;
900 INT sel;
902 if (!(item = COMBOEX_FindItem(infoPtr, index)))
903 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
905 TRACE("selecting item %d text=%s\n", index, debugstr_txt(item->pszText));
906 infoPtr->selected = index;
908 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
909 COMBOEX_SetEditText (infoPtr, item);
910 return sel;
914 static DWORD_PTR COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT index, DWORD_PTR data)
916 CBE_ITEMDATA *item1;
917 CBE_ITEMDATA const *item2;
919 item1 = get_item_data(infoPtr, index);
920 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
921 item2 = COMBOEX_FindItem (infoPtr, index);
922 if (item2 != item1) {
923 ERR("data structures damaged!\n");
924 return CB_ERR;
926 item1->mask |= CBEIF_LPARAM;
927 item1->lParam = data;
928 TRACE("setting lparam to 0x%08lx\n", data);
929 return 0;
931 TRACE("non-valid result from combo %p\n", item1);
932 return (DWORD_PTR)item1;
936 static INT COMBOEX_SetItemHeight (COMBOEX_INFO const *infoPtr, INT index, UINT height)
938 RECT cb_wrect, cbx_wrect, cbx_crect;
940 /* First, lets forward the message to the normal combo control
941 just like Windows. */
942 if (infoPtr->hwndCombo)
943 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
944 index, height) == CB_ERR) return CB_ERR;
946 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
947 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
948 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
949 /* the height of comboex as height of the combo + comboex border */
950 height = cb_wrect.bottom-cb_wrect.top
951 + cbx_wrect.bottom-cbx_wrect.top
952 - (cbx_crect.bottom-cbx_crect.top);
953 TRACE("EX window=(%s), client=(%s)\n",
954 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
955 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
956 wine_dbgstr_rect(&cbx_wrect), cbx_wrect.right-cbx_wrect.left, height);
957 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
958 cbx_wrect.right-cbx_wrect.left, height,
959 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
961 return 0;
965 /* *** WM_xxx message support *** */
968 static LRESULT COMBOEX_Create (HWND hwnd, CREATESTRUCTA const *cs)
970 static const WCHAR COMBOBOX[] = { 'C', 'o', 'm', 'b', 'o', 'B', 'o', 'x', 0 };
971 static const WCHAR EDIT[] = { 'E', 'D', 'I', 'T', 0 };
972 static const WCHAR NIL[] = { 0 };
973 COMBOEX_INFO *infoPtr;
974 LOGFONTW mylogfont;
975 RECT wnrc1, clrc1, cmbwrc;
976 INT i;
978 /* allocate memory for info structure */
979 infoPtr = Alloc (sizeof(COMBOEX_INFO));
980 if (!infoPtr) return -1;
982 /* initialize info structure */
983 /* note that infoPtr is allocated zero-filled */
985 infoPtr->hwndSelf = hwnd;
986 infoPtr->selected = -1;
988 infoPtr->unicode = IsWindowUnicode (hwnd);
989 infoPtr->hwndNotify = cs->hwndParent;
991 i = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
992 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
993 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
994 i = NFR_ANSI;
996 infoPtr->NtfUnicode = (i == NFR_UNICODE);
998 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1000 /* create combo box */
1001 GetWindowRect(hwnd, &wnrc1);
1002 GetClientRect(hwnd, &clrc1);
1003 TRACE("EX window=(%s), client=(%s)\n",
1004 wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1));
1006 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
1007 /* specified. It then creates it's own version of the EDIT control */
1008 /* and makes the ComboBox the parent. This is because a normal */
1009 /* DROPDOWNLIST does not have an EDIT control, but we need one. */
1010 /* We also need to place the edit control at the proper location */
1011 /* (allow space for the icons). */
1013 infoPtr->hwndCombo = CreateWindowW (COMBOBOX, NIL,
1014 /* following line added to match native */
1015 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
1016 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
1017 /* was base and is necessary */
1018 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
1019 GetWindowLongW (hwnd, GWL_STYLE),
1020 cs->y, cs->x, cs->cx, cs->cy, hwnd,
1021 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1022 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1025 * native does the following at this point according to trace:
1026 * GetWindowThreadProcessId(hwndCombo,0)
1027 * GetCurrentThreadId()
1028 * GetWindowThreadProcessId(hwndCombo, &???)
1029 * GetCurrentProcessId()
1033 * Setup a property to hold the pointer to the COMBOBOXEX
1034 * data structure.
1036 SetPropW(infoPtr->hwndCombo, COMBOEX_SUBCLASS_PROP, hwnd);
1037 infoPtr->prevComboWndProc = (WNDPROC)SetWindowLongPtrW(infoPtr->hwndCombo,
1038 GWLP_WNDPROC, (DWORD_PTR)COMBOEX_ComboWndProc);
1039 infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1043 * Now create our own EDIT control so we can position it.
1044 * It is created only for CBS_DROPDOWN style
1046 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
1047 infoPtr->hwndEdit = CreateWindowExW (0, EDIT, NIL,
1048 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
1049 0, 0, 0, 0, /* will set later */
1050 infoPtr->hwndCombo,
1051 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1052 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1054 /* native does the following at this point according to trace:
1055 * GetWindowThreadProcessId(hwndEdit,0)
1056 * GetCurrentThreadId()
1057 * GetWindowThreadProcessId(hwndEdit, &???)
1058 * GetCurrentProcessId()
1062 * Setup a property to hold the pointer to the COMBOBOXEX
1063 * data structure.
1065 SetPropW(infoPtr->hwndEdit, COMBOEX_SUBCLASS_PROP, hwnd);
1066 infoPtr->prevEditWndProc = (WNDPROC)SetWindowLongPtrW(infoPtr->hwndEdit,
1067 GWLP_WNDPROC, (DWORD_PTR)COMBOEX_EditWndProc);
1068 infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1072 * Locate the default font if necessary and then set it in
1073 * all associated controls
1075 if (!infoPtr->font) {
1076 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1077 &mylogfont, 0);
1078 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1080 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1081 if (infoPtr->hwndEdit) {
1082 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1083 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, (WPARAM)EC_USEFONTINFO, 0);
1086 COMBOEX_ReSize (infoPtr);
1088 /* Above is fairly certain, below is much less certain. */
1090 GetWindowRect(hwnd, &wnrc1);
1091 GetClientRect(hwnd, &clrc1);
1092 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1093 TRACE("EX window=(%s) client=(%s) CB wnd=(%s)\n",
1094 wine_dbgstr_rect(&wnrc1), wine_dbgstr_rect(&clrc1),
1095 wine_dbgstr_rect(&cmbwrc));
1096 SetWindowPos(infoPtr->hwndCombo, HWND_TOP,
1097 0, 0, wnrc1.right-wnrc1.left, wnrc1.bottom-wnrc1.top,
1098 SWP_NOACTIVATE | SWP_NOREDRAW);
1100 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1101 TRACE("CB window=(%s)\n", wine_dbgstr_rect(&cmbwrc));
1102 SetWindowPos(hwnd, HWND_TOP,
1103 0, 0, cmbwrc.right-cmbwrc.left, cmbwrc.bottom-cmbwrc.top,
1104 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1106 COMBOEX_AdjustEditPos (infoPtr);
1109 * Create an item structure to represent the data in the
1110 * EDIT control. It is allocated zero-filled.
1112 infoPtr->edit = Alloc (sizeof (CBE_ITEMDATA));
1113 if (!infoPtr->edit) {
1114 COMBOEX_Destroy(infoPtr);
1115 return -1;
1118 return 0;
1122 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1124 LRESULT lret;
1125 INT command = HIWORD(wParam);
1126 CBE_ITEMDATA *item = 0;
1127 WCHAR wintext[520];
1128 INT cursel, n, oldItem;
1129 NMCBEENDEDITW cbeend;
1130 DWORD oldflags;
1131 HWND parent = infoPtr->hwndNotify;
1133 TRACE("for command %d\n", command);
1135 switch (command)
1137 case CBN_DROPDOWN:
1138 SetFocus (infoPtr->hwndCombo);
1139 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1140 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1142 case CBN_CLOSEUP:
1143 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1145 * from native trace of first dropdown after typing in URL in IE4
1146 * CB_GETCURSEL(Combo)
1147 * GetWindowText(Edit)
1148 * CB_GETCURSEL(Combo)
1149 * CB_GETCOUNT(Combo)
1150 * CB_GETITEMDATA(Combo, n)
1151 * WM_NOTIFY(parent, CBEN_ENDEDITA|W)
1152 * CB_GETCURSEL(Combo)
1153 * CB_SETCURSEL(COMBOEX, n)
1154 * SetFocus(Combo)
1155 * the rest is supposition
1157 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1158 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1159 InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1160 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1161 if (cursel == -1) {
1162 cmp_func_t cmptext = get_cmp_func(infoPtr);
1163 /* find match from edit against those in Combobox */
1164 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1165 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1166 for (cursel = 0; cursel < n; cursel++){
1167 item = get_item_data(infoPtr, cursel);
1168 if ((INT_PTR)item == CB_ERR) break;
1169 if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1171 if ((cursel == n) || ((INT_PTR)item == CB_ERR)) {
1172 TRACE("failed to find match??? item=%p cursel=%d\n",
1173 item, cursel);
1174 if (infoPtr->hwndEdit)
1175 SetFocus(infoPtr->hwndEdit);
1176 return 0;
1179 else {
1180 item = get_item_data(infoPtr, cursel);
1181 if ((INT_PTR)item == CB_ERR) {
1182 TRACE("failed to find match??? item=%p cursel=%d\n",
1183 item, cursel);
1184 if (infoPtr->hwndEdit)
1185 SetFocus(infoPtr->hwndEdit);
1186 return 0;
1190 /* Save flags for testing and reset them */
1191 oldflags = infoPtr->flags;
1192 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1194 if (oldflags & WCBE_ACTEDIT) {
1195 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1196 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1197 CB_GETCURSEL, 0, 0);
1198 cbeend.iWhy = CBENF_DROPDOWN;
1200 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1203 /* if selection has changed the set the new current selection */
1204 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1205 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1206 infoPtr->selected = cursel;
1207 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1208 SetFocus(infoPtr->hwndCombo);
1210 return 0;
1212 case CBN_SELCHANGE:
1214 * CB_GETCURSEL(Combo)
1215 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1216 * lstrlenA
1217 * WM_SETTEXT(Edit)
1218 * WM_GETTEXTLENGTH(Edit)
1219 * WM_GETTEXT(Edit)
1220 * EM_SETSEL(Edit, 0,0)
1221 * WM_GETTEXTLENGTH(Edit)
1222 * WM_GETTEXT(Edit)
1223 * EM_SETSEL(Edit, 0,len)
1224 * return WM_COMMAND to parent
1226 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1227 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1228 ERR("item %d not found. Problem!\n", oldItem);
1229 break;
1231 infoPtr->selected = oldItem;
1232 COMBOEX_SetEditText (infoPtr, item);
1233 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1235 case CBN_SELENDOK:
1236 case CBN_SELENDCANCEL:
1238 * We have to change the handle since we are the control
1239 * issuing the message. IE4 depends on this.
1241 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1243 case CBN_KILLFOCUS:
1245 * from native trace:
1247 * pass to parent
1248 * WM_GETTEXT(Edit, 104)
1249 * CB_GETCURSEL(Combo) rets -1
1250 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1251 * CB_GETCURSEL(Combo)
1252 * InvalidateRect(Combo, 0, 0)
1253 * return 0
1255 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1256 if (infoPtr->flags & WCBE_ACTEDIT) {
1257 GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1258 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1259 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1260 CB_GETCURSEL, 0, 0);
1261 cbeend.iWhy = CBENF_KILLFOCUS;
1263 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1264 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1266 /* possible CB_GETCURSEL */
1267 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1268 return 0;
1270 case CBN_SETFOCUS:
1271 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1273 default:
1275 * We have to change the handle since we are the control
1276 * issuing the message. IE4 depends on this.
1277 * We also need to set the focus back to the Edit control
1278 * after passing the command to the parent of the ComboEx.
1280 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1281 if (infoPtr->hwndEdit)
1282 SetFocus(infoPtr->hwndEdit);
1283 return lret;
1285 return 0;
1289 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1291 CBE_ITEMDATA *item, *olditem;
1292 NMCOMBOBOXEXW nmcit;
1293 UINT i;
1295 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1296 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1298 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1300 olditem = infoPtr->items;
1301 i = infoPtr->nb_items - 1;
1303 if (i == dis->itemID) {
1304 infoPtr->items = infoPtr->items->next;
1306 else {
1307 item = olditem;
1308 i--;
1310 /* find the prior item in the list */
1311 while (item->next && (i > dis->itemID)) {
1312 item = item->next;
1313 i--;
1315 if (!item->next || (i != dis->itemID)) {
1316 ERR("COMBOBOXEX item structures broken. Please report!\n");
1317 return FALSE;
1319 olditem = item->next;
1320 item->next = item->next->next;
1322 infoPtr->nb_items--;
1324 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1325 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1326 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1328 COMBOEX_FreeText(olditem);
1329 Free(olditem);
1331 return TRUE;
1335 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1337 static const WCHAR nil[] = { 0 };
1338 CBE_ITEMDATA *item = 0;
1339 SIZE txtsize;
1340 RECT rect;
1341 LPCWSTR str = nil;
1342 UINT xbase, x, y;
1343 INT len;
1344 COLORREF nbkc, ntxc, bkc, txc;
1345 int drawimage, drawstate, xioff;
1347 if (!IsWindowEnabled(infoPtr->hwndCombo)) return 0;
1349 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1350 dis->CtlType, dis->CtlID);
1351 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1352 dis->itemID, dis->itemAction, dis->itemState);
1353 TRACE("hWnd=%p hDC=%p (%s) itemData=0x%08lx\n",
1354 dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1356 /* MSDN says: */
1357 /* "itemID - Specifies the menu item identifier for a menu */
1358 /* item or the index of the item in a list box or combo box. */
1359 /* For an empty list box or combo box, this member can be -1. */
1360 /* This allows the application to draw only the focus */
1361 /* rectangle at the coordinates specified by the rcItem */
1362 /* member even though there are no items in the control. */
1363 /* This indicates to the user whether the list box or combo */
1364 /* box has the focus. How the bits are set in the itemAction */
1365 /* member determines whether the rectangle is to be drawn as */
1366 /* though the list box or combo box has the focus. */
1367 if (dis->itemID == 0xffffffff) {
1368 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1369 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1371 TRACE("drawing item -1 special focus, rect=(%s)\n",
1372 wine_dbgstr_rect(&dis->rcItem));
1374 else if ((dis->CtlType == ODT_COMBOBOX) &&
1375 (dis->itemAction == ODA_DRAWENTIRE)) {
1376 /* draw of edit control data */
1378 /* testing */
1380 RECT exrc, cbrc, edrc;
1381 GetWindowRect (infoPtr->hwndSelf, &exrc);
1382 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1383 edrc.left=edrc.top=edrc.right=edrc.bottom=-1;
1384 if (infoPtr->hwndEdit)
1385 GetWindowRect (infoPtr->hwndEdit, &edrc);
1386 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1387 wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1388 wine_dbgstr_rect(&edrc));
1391 else {
1392 ERR("NOT drawing item -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1393 wine_dbgstr_rect(&dis->rcItem),
1394 dis->itemAction, dis->itemState);
1395 return 0;
1399 /* If draw item is -1 (edit control) setup the item pointer */
1400 if (dis->itemID == 0xffffffff) {
1401 item = infoPtr->edit;
1403 if (infoPtr->hwndEdit) {
1404 INT len;
1406 /* free previous text of edit item */
1407 COMBOEX_FreeText(item);
1408 item->mask &= ~CBEIF_TEXT;
1409 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1410 item->mask |= CBEIF_TEXT;
1411 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
1412 if (item->pszText)
1413 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1415 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1416 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1422 /* if the item pointer is not set, then get the data and locate it */
1423 if (!item) {
1424 item = get_item_data(infoPtr, dis->itemID);
1425 if (item == (CBE_ITEMDATA *)CB_ERR) {
1426 ERR("invalid item for id %d\n", dis->itemID);
1427 return 0;
1431 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1433 xbase = CBE_STARTOFFSET;
1434 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1435 INT indent = item->iIndent;
1436 if (indent == I_INDENTCALLBACK) {
1437 NMCOMBOBOXEXW nmce;
1438 ZeroMemory(&nmce, sizeof(nmce));
1439 nmce.ceItem.mask = CBEIF_INDENT;
1440 nmce.ceItem.lParam = item->lParam;
1441 nmce.ceItem.iItem = dis->itemID;
1442 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1443 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1444 item->iIndent = nmce.ceItem.iIndent;
1445 indent = nmce.ceItem.iIndent;
1447 xbase += (indent * CBE_INDENT);
1450 drawimage = -2;
1451 drawstate = ILD_NORMAL;
1452 if (item->mask & CBEIF_IMAGE)
1453 drawimage = item->iImage;
1454 if (dis->itemState & ODS_COMBOEXLBOX) {
1455 /* drawing listbox entry */
1456 if (dis->itemState & ODS_SELECTED) {
1457 if (item->mask & CBEIF_SELECTEDIMAGE)
1458 drawimage = item->iSelectedImage;
1459 drawstate = ILD_SELECTED;
1461 } else {
1462 /* drawing combo/edit entry */
1463 if (IsWindowVisible(infoPtr->hwndEdit)) {
1464 /* if we have an edit control, the slave the
1465 * selection state to the Edit focus state
1467 if (infoPtr->flags & WCBE_EDITFOCUSED) {
1468 if (item->mask & CBEIF_SELECTEDIMAGE)
1469 drawimage = item->iSelectedImage;
1470 drawstate = ILD_SELECTED;
1472 } else {
1473 /* if we don't have an edit control, use
1474 * the requested state.
1476 if (dis->itemState & ODS_SELECTED) {
1477 if (item->mask & CBEIF_SELECTEDIMAGE)
1478 drawimage = item->iSelectedImage;
1479 drawstate = ILD_SELECTED;
1484 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1485 IMAGEINFO iinfo;
1486 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1487 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1488 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1489 } else xioff = 0;
1491 /* setup pointer to text to be drawn */
1492 str = COMBOEX_GetText(infoPtr, item);
1493 if (!str) str = nil;
1495 len = strlenW (str);
1496 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1498 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1499 int overlay = item->iOverlay;
1501 if (drawimage == I_IMAGECALLBACK) {
1502 NMCOMBOBOXEXW nmce;
1503 ZeroMemory(&nmce, sizeof(nmce));
1504 nmce.ceItem.mask = (drawstate == ILD_NORMAL) ? CBEIF_IMAGE : CBEIF_SELECTEDIMAGE;
1505 nmce.ceItem.lParam = item->lParam;
1506 nmce.ceItem.iItem = dis->itemID;
1507 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1508 if (drawstate == ILD_NORMAL) {
1509 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1510 drawimage = nmce.ceItem.iImage;
1511 } else if (drawstate == ILD_SELECTED) {
1512 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1513 drawimage = nmce.ceItem.iSelectedImage;
1514 } else ERR("Bad draw state = %d\n", drawstate);
1517 if (overlay == I_IMAGECALLBACK) {
1518 NMCOMBOBOXEXW nmce;
1519 ZeroMemory(&nmce, sizeof(nmce));
1520 nmce.ceItem.mask = CBEIF_OVERLAY;
1521 nmce.ceItem.lParam = item->lParam;
1522 nmce.ceItem.iItem = dis->itemID;
1523 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1524 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1525 item->iOverlay = nmce.ceItem.iOverlay;
1526 overlay = nmce.ceItem.iOverlay;
1529 if (drawimage >= 0 &&
1530 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1531 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1532 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1533 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1536 /* now draw the text */
1537 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1538 nbkc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1539 COLOR_HIGHLIGHT : COLOR_WINDOW);
1540 bkc = SetBkColor (dis->hDC, nbkc);
1541 ntxc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1542 COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT);
1543 txc = SetTextColor (dis->hDC, ntxc);
1544 x = xbase + xioff;
1545 y = dis->rcItem.top +
1546 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1547 rect.left = x;
1548 rect.right = x + txtsize.cx;
1549 rect.top = dis->rcItem.top + 1;
1550 rect.bottom = dis->rcItem.bottom - 1;
1551 TRACE("drawing item %d text, rect=(%s)\n",
1552 dis->itemID, wine_dbgstr_rect(&rect));
1553 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1554 &rect, str, len, 0);
1555 SetBkColor (dis->hDC, bkc);
1556 SetTextColor (dis->hDC, txc);
1560 if (dis->itemAction & ODA_FOCUS) {
1561 rect.left = xbase + xioff - 1;
1562 rect.right = rect.left + txtsize.cx + 2;
1563 rect.top = dis->rcItem.top;
1564 rect.bottom = dis->rcItem.bottom;
1565 DrawFocusRect(dis->hDC, &rect);
1568 return 0;
1572 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1574 if (infoPtr->items)
1576 CBE_ITEMDATA *item, *next;
1578 item = infoPtr->items;
1579 while (item) {
1580 next = item->next;
1581 COMBOEX_FreeText (item);
1582 Free (item);
1583 item = next;
1585 infoPtr->items = 0;
1588 infoPtr->selected = -1;
1589 infoPtr->nb_items = 0;
1593 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1595 if (infoPtr->hwndCombo)
1596 DestroyWindow (infoPtr->hwndCombo);
1598 Free (infoPtr->edit);
1599 infoPtr->edit = 0;
1601 COMBOEX_ResetContent (infoPtr);
1603 if (infoPtr->defaultFont)
1604 DeleteObject (infoPtr->defaultFont);
1606 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1608 /* free comboex info data */
1609 Free (infoPtr);
1611 return 0;
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_WindowPosChanging (COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1674 RECT cbx_wrect, cbx_crect, cb_wrect;
1675 INT width, height;
1677 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1678 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1679 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1681 /* width is winpos value + border width of comboex */
1682 width = wp->cx
1683 + (cbx_wrect.right-cbx_wrect.left)
1684 - (cbx_crect.right-cbx_crect.left);
1686 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1687 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1688 TRACE("EX window=(%s), client=(%s)\n",
1689 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1690 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
1691 wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1693 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1694 width,
1695 cb_wrect.bottom-cb_wrect.top,
1696 SWP_NOACTIVATE);
1698 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1700 /* height is combo window height plus border width of comboex */
1701 height = (cb_wrect.bottom-cb_wrect.top)
1702 + (cbx_wrect.bottom-cbx_wrect.top)
1703 - (cbx_crect.bottom-cbx_crect.top);
1704 if (wp->cy < height) wp->cy = height;
1705 if (infoPtr->hwndEdit) {
1706 COMBOEX_AdjustEditPos (infoPtr);
1707 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1710 return 0;
1713 static LRESULT WINAPI
1714 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1716 HWND hwndComboex = GetPropW(hwnd, COMBOEX_SUBCLASS_PROP);
1717 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1718 NMCBEENDEDITW cbeend;
1719 WCHAR edit_text[260];
1720 COLORREF obkc;
1721 HDC hDC;
1722 RECT rect;
1723 LRESULT lret;
1725 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1726 hwnd, uMsg, wParam, lParam, infoPtr);
1728 if (!infoPtr) return 0;
1730 switch (uMsg)
1733 case WM_CHAR:
1734 /* handle (ignore) the return character */
1735 if (wParam == VK_RETURN) return 0;
1736 /* all other characters pass into the real Edit */
1737 return CallWindowProcW (infoPtr->prevEditWndProc,
1738 hwnd, uMsg, wParam, lParam);
1740 case WM_ERASEBKGND:
1742 * The following was determined by traces of the native
1744 hDC = (HDC) wParam;
1745 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1746 GetClientRect (hwnd, &rect);
1747 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1748 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1749 SetBkColor (hDC, obkc);
1750 return CallWindowProcW (infoPtr->prevEditWndProc,
1751 hwnd, uMsg, wParam, lParam);
1753 case WM_KEYDOWN: {
1754 INT oldItem, selected, step = 1;
1755 CBE_ITEMDATA *item;
1757 switch ((INT)wParam)
1759 case VK_ESCAPE:
1760 /* native version seems to do following for COMBOEX */
1762 * GetWindowTextW(Edit,&?, 0x104) x
1763 * CB_GETCURSEL to Combo rets -1 x
1764 * WM_NOTIFY to COMBOEX parent (rebar) x
1765 * (CBEN_ENDEDIT{A|W}
1766 * fChanged = FALSE x
1767 * inewSelection = -1 x
1768 * txt="www.hoho" x
1769 * iWhy = 3 x
1770 * CB_GETCURSEL to Combo rets -1 x
1771 * InvalidateRect(Combo, 0) x
1772 * WM_SETTEXT to Edit x
1773 * EM_SETSEL to Edit (0,0) x
1774 * EM_SETSEL to Edit (0,-1) x
1775 * RedrawWindow(Combo, 0, 0, 5) x
1777 TRACE("special code for VK_ESCAPE\n");
1779 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1781 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1782 cbeend.fChanged = FALSE;
1783 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1784 CB_GETCURSEL, 0, 0);
1785 cbeend.iWhy = CBENF_ESCAPE;
1787 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1788 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1789 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1790 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1791 ERR("item %d not found. Problem!\n", oldItem);
1792 break;
1794 infoPtr->selected = oldItem;
1795 COMBOEX_SetEditText (infoPtr, item);
1796 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1797 RDW_INVALIDATE);
1798 break;
1800 case VK_RETURN:
1801 /* native version seems to do following for COMBOEX */
1803 * GetWindowTextW(Edit,&?, 0x104) x
1804 * CB_GETCURSEL to Combo rets -1 x
1805 * CB_GETCOUNT to Combo rets 0
1806 * if >0 loop
1807 * CB_GETITEMDATA to match
1808 * *** above 3 lines simulated by FindItem x
1809 * WM_NOTIFY to COMBOEX parent (rebar) x
1810 * (CBEN_ENDEDIT{A|W} x
1811 * fChanged = TRUE (-1) x
1812 * iNewSelection = -1 or selected x
1813 * txt= x
1814 * iWhy = 2 (CBENF_RETURN) x
1815 * CB_GETCURSEL to Combo rets -1 x
1816 * if -1 send CB_SETCURSEL to Combo -1 x
1817 * InvalidateRect(Combo, 0, 0) x
1818 * SetFocus(Edit) x
1819 * CallWindowProc(406615a8, Edit, 0x100, 0xd, 0x1c0001)
1822 TRACE("special code for VK_RETURN\n");
1824 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1826 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1827 selected = SendMessageW (infoPtr->hwndCombo,
1828 CB_GETCURSEL, 0, 0);
1830 if (selected != -1) {
1831 cmp_func_t cmptext = get_cmp_func(infoPtr);
1832 item = COMBOEX_FindItem (infoPtr, selected);
1833 TRACE("handling VK_RETURN, selected = %d, selected_text=%s\n",
1834 selected, debugstr_txt(item->pszText));
1835 TRACE("handling VK_RETURN, edittext=%s\n",
1836 debugstr_w(edit_text));
1837 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1838 /* strings not equal -- indicate edit has changed */
1839 selected = -1;
1843 cbeend.iNewSelection = selected;
1844 cbeend.fChanged = TRUE;
1845 cbeend.iWhy = CBENF_RETURN;
1846 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1847 /* abort the change, restore previous */
1848 TRACE("Notify requested abort of change\n");
1849 COMBOEX_SetEditText (infoPtr, infoPtr->edit);
1850 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1851 RDW_INVALIDATE);
1852 return 0;
1854 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1855 if (oldItem != -1) {
1856 /* if something is selected, then deselect it */
1857 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL,
1858 (WPARAM)-1, 0);
1860 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1861 SetFocus(infoPtr->hwndEdit);
1862 break;
1864 case VK_UP:
1865 step = -1;
1866 case VK_DOWN:
1867 /* by default, step is 1 */
1868 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1869 if (oldItem >= 0 && oldItem + step >= 0)
1870 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1871 return 0;
1872 default:
1873 return CallWindowProcW (infoPtr->prevEditWndProc,
1874 hwnd, uMsg, wParam, lParam);
1876 return 0;
1879 case WM_SETFOCUS:
1880 /* remember the focus to set state of icon */
1881 lret = CallWindowProcW (infoPtr->prevEditWndProc,
1882 hwnd, uMsg, wParam, lParam);
1883 infoPtr->flags |= WCBE_EDITFOCUSED;
1884 return lret;
1886 case WM_KILLFOCUS:
1888 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1890 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1891 if (infoPtr->flags & WCBE_ACTEDIT) {
1892 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1894 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1895 cbeend.fChanged = FALSE;
1896 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1897 CB_GETCURSEL, 0, 0);
1898 cbeend.iWhy = CBENF_KILLFOCUS;
1900 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1902 /* fall through */
1904 default:
1905 return CallWindowProcW (infoPtr->prevEditWndProc,
1906 hwnd, uMsg, wParam, lParam);
1911 static LRESULT WINAPI
1912 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1914 HWND hwndComboex = GetPropW(hwnd, COMBOEX_SUBCLASS_PROP);
1915 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1916 NMCBEENDEDITW cbeend;
1917 NMMOUSE nmmse;
1918 COLORREF obkc;
1919 HDC hDC;
1920 HWND focusedhwnd;
1921 RECT rect;
1922 POINT pt;
1923 WCHAR edit_text[260];
1925 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1926 hwnd, uMsg, wParam, lParam, infoPtr);
1928 if (!infoPtr) return 0;
1930 switch (uMsg)
1933 case WM_DRAWITEM:
1935 * The only way this message should come is from the
1936 * child Listbox issuing the message. Flag this so
1937 * that ComboEx knows this is listbox.
1939 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1940 return CallWindowProcW (infoPtr->prevComboWndProc,
1941 hwnd, uMsg, wParam, lParam);
1943 case WM_ERASEBKGND:
1945 * The following was determined by traces of the native
1947 hDC = (HDC) wParam;
1948 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1949 GetClientRect (hwnd, &rect);
1950 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1951 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1952 SetBkColor (hDC, obkc);
1953 return CallWindowProcW (infoPtr->prevComboWndProc,
1954 hwnd, uMsg, wParam, lParam);
1956 case WM_SETCURSOR:
1958 * WM_NOTIFY to comboex parent (rebar)
1959 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1960 * CallWindowProc (previous)
1962 nmmse.dwItemSpec = 0;
1963 nmmse.dwItemData = 0;
1964 nmmse.pt.x = 0;
1965 nmmse.pt.y = 0;
1966 nmmse.dwHitInfo = lParam;
1967 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1968 return CallWindowProcW (infoPtr->prevComboWndProc,
1969 hwnd, uMsg, wParam, lParam);
1971 case WM_LBUTTONDOWN:
1972 GetClientRect (hwnd, &rect);
1973 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1974 CB_GETITEMHEIGHT, -1, 0);
1975 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1976 pt.x = (short)LOWORD(lParam);
1977 pt.y = (short)HIWORD(lParam);
1978 if (PtInRect(&rect, pt))
1979 return CallWindowProcW (infoPtr->prevComboWndProc,
1980 hwnd, uMsg, wParam, lParam);
1981 infoPtr->flags |= WCBE_MOUSECAPTURED;
1982 SetCapture(hwnd);
1983 break;
1985 case WM_LBUTTONUP:
1986 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1987 return CallWindowProcW (infoPtr->prevComboWndProc,
1988 hwnd, uMsg, wParam, lParam);
1989 ReleaseCapture();
1990 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1991 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1992 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1993 } else {
1994 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1996 break;
1998 case WM_MOUSEMOVE:
1999 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
2000 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
2001 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2002 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
2003 infoPtr->flags |= WCBE_MOUSEDRAGGED;
2005 return CallWindowProcW (infoPtr->prevComboWndProc,
2006 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 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 = %d, 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 CallWindowProcW (infoPtr->prevComboWndProc,
2151 hwnd, uMsg, wParam, lParam);
2153 return 0;
2157 static LRESULT WINAPI
2158 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2160 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
2162 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, uMsg, wParam, lParam);
2164 if (!infoPtr) {
2165 if (uMsg == WM_CREATE)
2166 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2167 if (uMsg == WM_NCCREATE)
2168 COMBOEX_NCCreate (hwnd);
2169 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2172 switch (uMsg)
2174 case CBEM_DELETEITEM:
2175 return COMBOEX_DeleteItem (infoPtr, wParam);
2177 case CBEM_GETCOMBOCONTROL:
2178 return (LRESULT)infoPtr->hwndCombo;
2180 case CBEM_GETEDITCONTROL:
2181 return (LRESULT)infoPtr->hwndEdit;
2183 case CBEM_GETEXTENDEDSTYLE:
2184 return infoPtr->dwExtStyle;
2186 case CBEM_GETIMAGELIST:
2187 return (LRESULT)infoPtr->himl;
2189 case CBEM_GETITEMA:
2190 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2192 case CBEM_GETITEMW:
2193 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2195 case CBEM_GETUNICODEFORMAT:
2196 return infoPtr->unicode;
2198 case CBEM_HASEDITCHANGED:
2199 return COMBOEX_HasEditChanged (infoPtr);
2201 case CBEM_INSERTITEMA:
2202 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2204 case CBEM_INSERTITEMW:
2205 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2207 case CBEM_SETEXSTYLE:
2208 case CBEM_SETEXTENDEDSTYLE:
2209 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2211 case CBEM_SETIMAGELIST:
2212 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2214 case CBEM_SETITEMA:
2215 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2217 case CBEM_SETITEMW:
2218 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2220 case CBEM_SETUNICODEFORMAT:
2221 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2223 /*case CBEM_SETWINDOWTHEME:
2224 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2226 case WM_SETTEXT:
2227 case WM_GETTEXT:
2228 case WM_GETTEXTLENGTH:
2229 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2231 case CB_GETLBTEXT:
2232 return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2234 case CB_GETLBTEXTLEN:
2235 return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2237 case CB_RESETCONTENT:
2238 COMBOEX_ResetContent(infoPtr);
2239 /* fall through */
2241 /* Combo messages we are not sure if we need to process or just forward */
2242 case CB_GETDROPPEDCONTROLRECT:
2243 case CB_GETITEMHEIGHT:
2244 case CB_GETEXTENDEDUI:
2245 case CB_LIMITTEXT:
2246 case CB_SELECTSTRING:
2248 /* Combo messages OK to just forward to the regular COMBO */
2249 case CB_GETCOUNT:
2250 case CB_GETCURSEL:
2251 case CB_GETDROPPEDSTATE:
2252 case CB_SETDROPPEDWIDTH:
2253 case CB_SETEXTENDEDUI:
2254 case CB_SHOWDROPDOWN:
2255 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2257 /* Combo messages we need to process specially */
2258 case CB_FINDSTRINGEXACT:
2259 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2261 case CB_GETITEMDATA:
2262 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2264 case CB_SETCURSEL:
2265 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2267 case CB_SETITEMDATA:
2268 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2270 case CB_SETITEMHEIGHT:
2271 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2275 /* Window messages passed to parent */
2276 case WM_COMMAND:
2277 return COMBOEX_Command (infoPtr, wParam, lParam);
2279 case WM_NOTIFY:
2280 if (infoPtr->NtfUnicode)
2281 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2282 else
2283 return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2286 /* Window messages we need to process */
2287 case WM_DELETEITEM:
2288 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2290 case WM_DRAWITEM:
2291 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2293 case WM_DESTROY:
2294 return COMBOEX_Destroy (infoPtr);
2296 case WM_MEASUREITEM:
2297 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2299 case WM_NOTIFYFORMAT:
2300 return COMBOEX_NotifyFormat (infoPtr, lParam);
2302 case WM_SIZE:
2303 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2305 case WM_WINDOWPOSCHANGING:
2306 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2308 case WM_SETFOCUS:
2309 SetFocus(infoPtr->hwndCombo);
2310 return 0;
2312 default:
2313 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2314 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",uMsg,wParam,lParam);
2315 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2320 void COMBOEX_Register (void)
2322 WNDCLASSW wndClass;
2324 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2325 wndClass.style = CS_GLOBALCLASS;
2326 wndClass.lpfnWndProc = COMBOEX_WindowProc;
2327 wndClass.cbClsExtra = 0;
2328 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2329 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2330 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2331 wndClass.lpszClassName = WC_COMBOBOXEXW;
2333 RegisterClassW (&wndClass);
2337 void COMBOEX_Unregister (void)
2339 UnregisterClassW (WC_COMBOBOXEXW, NULL);