opengl32: glGetString() should return NULL on NULL context.
[wine/hacks.git] / dlls / comctl32 / comboex.c
blob664d0a2c053c56e5dffbad068b72232f77f9ae02
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, INT 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 = (LPSTR)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 = (LPWSTR)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 = (HFONT) 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 = (CBE_ITEMDATA *)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 = (LPWSTR)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 = (LPWSTR)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 = (LPWSTR)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 = (LPWSTR)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 = (COMBOEX_INFO *)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 = (CBE_ITEMDATA *)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 default:
1272 * We have to change the handle since we are the control
1273 * issuing the message. IE4 depends on this.
1274 * We also need to set the focus back to the Edit control
1275 * after passing the command to the parent of the ComboEx.
1277 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1278 if (infoPtr->hwndEdit)
1279 SetFocus(infoPtr->hwndEdit);
1280 return lret;
1282 return 0;
1286 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1288 CBE_ITEMDATA *item, *olditem;
1289 NMCOMBOBOXEXW nmcit;
1290 UINT i;
1292 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1293 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1295 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1297 olditem = infoPtr->items;
1298 i = infoPtr->nb_items - 1;
1300 if (i == dis->itemID) {
1301 infoPtr->items = infoPtr->items->next;
1303 else {
1304 item = olditem;
1305 i--;
1307 /* find the prior item in the list */
1308 while (item->next && (i > dis->itemID)) {
1309 item = item->next;
1310 i--;
1312 if (!item->next || (i != dis->itemID)) {
1313 ERR("COMBOBOXEX item structures broken. Please report!\n");
1314 return FALSE;
1316 olditem = item->next;
1317 item->next = item->next->next;
1319 infoPtr->nb_items--;
1321 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1322 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1323 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1325 COMBOEX_FreeText(olditem);
1326 Free(olditem);
1328 return TRUE;
1332 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1334 static const WCHAR nil[] = { 0 };
1335 CBE_ITEMDATA *item = 0;
1336 SIZE txtsize;
1337 RECT rect;
1338 LPCWSTR str = nil;
1339 UINT xbase, x, y;
1340 INT len;
1341 COLORREF nbkc, ntxc, bkc, txc;
1342 int drawimage, drawstate, xioff;
1344 if (!IsWindowEnabled(infoPtr->hwndCombo)) return 0;
1346 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1347 dis->CtlType, dis->CtlID);
1348 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1349 dis->itemID, dis->itemAction, dis->itemState);
1350 TRACE("hWnd=%p hDC=%p (%s) itemData=0x%08lx\n",
1351 dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1353 /* MSDN says: */
1354 /* "itemID - Specifies the menu item identifier for a menu */
1355 /* item or the index of the item in a list box or combo box. */
1356 /* For an empty list box or combo box, this member can be -1. */
1357 /* This allows the application to draw only the focus */
1358 /* rectangle at the coordinates specified by the rcItem */
1359 /* member even though there are no items in the control. */
1360 /* This indicates to the user whether the list box or combo */
1361 /* box has the focus. How the bits are set in the itemAction */
1362 /* member determines whether the rectangle is to be drawn as */
1363 /* though the list box or combo box has the focus. */
1364 if (dis->itemID == 0xffffffff) {
1365 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1366 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1368 TRACE("drawing item -1 special focus, rect=(%s)\n",
1369 wine_dbgstr_rect(&dis->rcItem));
1371 else if ((dis->CtlType == ODT_COMBOBOX) &&
1372 (dis->itemAction == ODA_DRAWENTIRE)) {
1373 /* draw of edit control data */
1375 /* testing */
1377 RECT exrc, cbrc, edrc;
1378 GetWindowRect (infoPtr->hwndSelf, &exrc);
1379 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1380 edrc.left=edrc.top=edrc.right=edrc.bottom=-1;
1381 if (infoPtr->hwndEdit)
1382 GetWindowRect (infoPtr->hwndEdit, &edrc);
1383 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1384 wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1385 wine_dbgstr_rect(&edrc));
1388 else {
1389 ERR("NOT drawing item -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1390 wine_dbgstr_rect(&dis->rcItem),
1391 dis->itemAction, dis->itemState);
1392 return 0;
1396 /* If draw item is -1 (edit control) setup the item pointer */
1397 if (dis->itemID == 0xffffffff) {
1398 item = infoPtr->edit;
1400 if (infoPtr->hwndEdit) {
1401 INT len;
1403 /* free previous text of edit item */
1404 COMBOEX_FreeText(item);
1405 item->mask &= ~CBEIF_TEXT;
1406 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1407 item->mask |= CBEIF_TEXT;
1408 item->pszText = (LPWSTR)Alloc ((len + 1)*sizeof(WCHAR));
1409 if (item->pszText)
1410 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1412 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1413 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1419 /* if the item pointer is not set, then get the data and locate it */
1420 if (!item) {
1421 item = get_item_data(infoPtr, dis->itemID);
1422 if (item == (CBE_ITEMDATA *)CB_ERR) {
1423 ERR("invalid item for id %d\n", dis->itemID);
1424 return 0;
1428 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1430 xbase = CBE_STARTOFFSET;
1431 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1432 INT indent = item->iIndent;
1433 if (indent == I_INDENTCALLBACK) {
1434 NMCOMBOBOXEXW nmce;
1435 ZeroMemory(&nmce, sizeof(nmce));
1436 nmce.ceItem.mask = CBEIF_INDENT;
1437 nmce.ceItem.lParam = item->lParam;
1438 nmce.ceItem.iItem = dis->itemID;
1439 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1440 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1441 item->iIndent = nmce.ceItem.iIndent;
1442 indent = nmce.ceItem.iIndent;
1444 xbase += (indent * CBE_INDENT);
1447 drawimage = -2;
1448 drawstate = ILD_NORMAL;
1449 if (item->mask & CBEIF_IMAGE)
1450 drawimage = item->iImage;
1451 if (dis->itemState & ODS_COMBOEXLBOX) {
1452 /* drawing listbox entry */
1453 if (dis->itemState & ODS_SELECTED) {
1454 if (item->mask & CBEIF_SELECTEDIMAGE)
1455 drawimage = item->iSelectedImage;
1456 drawstate = ILD_SELECTED;
1458 } else {
1459 /* drawing combo/edit entry */
1460 if (IsWindowVisible(infoPtr->hwndEdit)) {
1461 /* if we have an edit control, the slave the
1462 * selection state to the Edit focus state
1464 if (infoPtr->flags & WCBE_EDITFOCUSED) {
1465 if (item->mask & CBEIF_SELECTEDIMAGE)
1466 drawimage = item->iSelectedImage;
1467 drawstate = ILD_SELECTED;
1469 } else {
1470 /* if we don't have an edit control, use
1471 * the requested state.
1473 if (dis->itemState & ODS_SELECTED) {
1474 if (item->mask & CBEIF_SELECTEDIMAGE)
1475 drawimage = item->iSelectedImage;
1476 drawstate = ILD_SELECTED;
1481 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1482 IMAGEINFO iinfo;
1483 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1484 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1485 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1486 } else xioff = 0;
1488 /* setup pointer to text to be drawn */
1489 str = COMBOEX_GetText(infoPtr, item);
1490 if (!str) str = nil;
1492 len = strlenW (str);
1493 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1495 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1496 int overlay = item->iOverlay;
1498 if (drawimage == I_IMAGECALLBACK) {
1499 NMCOMBOBOXEXW nmce;
1500 ZeroMemory(&nmce, sizeof(nmce));
1501 nmce.ceItem.mask = (drawstate == ILD_NORMAL) ? CBEIF_IMAGE : CBEIF_SELECTEDIMAGE;
1502 nmce.ceItem.lParam = item->lParam;
1503 nmce.ceItem.iItem = dis->itemID;
1504 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1505 if (drawstate == ILD_NORMAL) {
1506 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1507 drawimage = nmce.ceItem.iImage;
1508 } else if (drawstate == ILD_SELECTED) {
1509 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1510 drawimage = nmce.ceItem.iSelectedImage;
1511 } else ERR("Bad draw state = %d\n", drawstate);
1514 if (overlay == I_IMAGECALLBACK) {
1515 NMCOMBOBOXEXW nmce;
1516 ZeroMemory(&nmce, sizeof(nmce));
1517 nmce.ceItem.mask = CBEIF_OVERLAY;
1518 nmce.ceItem.lParam = item->lParam;
1519 nmce.ceItem.iItem = dis->itemID;
1520 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1521 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1522 item->iOverlay = nmce.ceItem.iOverlay;
1523 overlay = nmce.ceItem.iOverlay;
1526 if (drawimage >= 0 &&
1527 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1528 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1529 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1530 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1533 /* now draw the text */
1534 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1535 nbkc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1536 COLOR_HIGHLIGHT : COLOR_WINDOW);
1537 bkc = SetBkColor (dis->hDC, nbkc);
1538 ntxc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1539 COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT);
1540 txc = SetTextColor (dis->hDC, ntxc);
1541 x = xbase + xioff;
1542 y = dis->rcItem.top +
1543 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1544 rect.left = x;
1545 rect.right = x + txtsize.cx;
1546 rect.top = dis->rcItem.top + 1;
1547 rect.bottom = dis->rcItem.bottom - 1;
1548 TRACE("drawing item %d text, rect=(%s)\n",
1549 dis->itemID, wine_dbgstr_rect(&rect));
1550 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1551 &rect, str, len, 0);
1552 SetBkColor (dis->hDC, bkc);
1553 SetTextColor (dis->hDC, txc);
1557 if (dis->itemAction & ODA_FOCUS) {
1558 rect.left = xbase + xioff - 1;
1559 rect.right = rect.left + txtsize.cx + 2;
1560 rect.top = dis->rcItem.top;
1561 rect.bottom = dis->rcItem.bottom;
1562 DrawFocusRect(dis->hDC, &rect);
1565 return 0;
1569 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1571 if (infoPtr->items)
1573 CBE_ITEMDATA *item, *next;
1575 item = infoPtr->items;
1576 while (item) {
1577 next = item->next;
1578 COMBOEX_FreeText (item);
1579 Free (item);
1580 item = next;
1582 infoPtr->items = 0;
1585 infoPtr->selected = -1;
1586 infoPtr->nb_items = 0;
1590 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1592 if (infoPtr->hwndCombo)
1593 DestroyWindow (infoPtr->hwndCombo);
1595 Free (infoPtr->edit);
1596 infoPtr->edit = 0;
1598 COMBOEX_ResetContent (infoPtr);
1600 if (infoPtr->defaultFont)
1601 DeleteObject (infoPtr->defaultFont);
1603 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1605 /* free comboex info data */
1606 Free (infoPtr);
1608 return 0;
1612 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO const *infoPtr, MEASUREITEMSTRUCT *mis)
1614 static const WCHAR strW[] = { 'W', 0 };
1615 SIZE mysize;
1616 HDC hdc;
1618 hdc = GetDC (0);
1619 GetTextExtentPointW (hdc, strW, 1, &mysize);
1620 ReleaseDC (0, hdc);
1621 mis->itemHeight = mysize.cy + CBE_EXTRA;
1623 TRACE("adjusted height hwnd=%p, height=%d\n",
1624 infoPtr->hwndSelf, mis->itemHeight);
1626 return 0;
1630 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1632 /* WARNING: The COMBOEX_INFO structure is not yet created */
1633 DWORD oldstyle, newstyle;
1635 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1636 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL | WS_BORDER);
1637 if (newstyle != oldstyle) {
1638 TRACE("req style %08x, resetting style %08x\n",
1639 oldstyle, newstyle);
1640 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1642 return 1;
1646 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1648 if (lParam == NF_REQUERY) {
1649 INT i = SendMessageW(infoPtr->hwndNotify,
1650 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1651 infoPtr->NtfUnicode = (i == NFR_UNICODE) ? 1 : 0;
1653 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1657 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1659 TRACE("(width=%d, height=%d)\n", width, height);
1661 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1663 COMBOEX_AdjustEditPos (infoPtr);
1665 return 0;
1669 static LRESULT COMBOEX_WindowPosChanging (COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1671 RECT cbx_wrect, cbx_crect, cb_wrect;
1672 INT width, height;
1674 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1675 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1676 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1678 /* width is winpos value + border width of comboex */
1679 width = wp->cx
1680 + (cbx_wrect.right-cbx_wrect.left)
1681 - (cbx_crect.right-cbx_crect.left);
1683 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1684 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1685 TRACE("EX window=(%s), client=(%s)\n",
1686 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1687 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
1688 wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1690 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1691 width,
1692 cb_wrect.bottom-cb_wrect.top,
1693 SWP_NOACTIVATE);
1695 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1697 /* height is combo window height plus border width of comboex */
1698 height = (cb_wrect.bottom-cb_wrect.top)
1699 + (cbx_wrect.bottom-cbx_wrect.top)
1700 - (cbx_crect.bottom-cbx_crect.top);
1701 if (wp->cy < height) wp->cy = height;
1702 if (infoPtr->hwndEdit) {
1703 COMBOEX_AdjustEditPos (infoPtr);
1704 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1707 return 0;
1710 static LRESULT WINAPI
1711 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1713 HWND hwndComboex = (HWND)GetPropW(hwnd, COMBOEX_SUBCLASS_PROP);
1714 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1715 NMCBEENDEDITW cbeend;
1716 WCHAR edit_text[260];
1717 COLORREF obkc;
1718 HDC hDC;
1719 RECT rect;
1720 LRESULT lret;
1722 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1723 hwnd, uMsg, wParam, lParam, infoPtr);
1725 if (!infoPtr) return 0;
1727 switch (uMsg)
1730 case WM_CHAR:
1731 /* handle (ignore) the return character */
1732 if (wParam == VK_RETURN) return 0;
1733 /* all other characters pass into the real Edit */
1734 return CallWindowProcW (infoPtr->prevEditWndProc,
1735 hwnd, uMsg, wParam, lParam);
1737 case WM_ERASEBKGND:
1739 * The following was determined by traces of the native
1741 hDC = (HDC) wParam;
1742 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1743 GetClientRect (hwnd, &rect);
1744 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1745 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1746 SetBkColor (hDC, obkc);
1747 return CallWindowProcW (infoPtr->prevEditWndProc,
1748 hwnd, uMsg, wParam, lParam);
1750 case WM_KEYDOWN: {
1751 INT oldItem, selected, step = 1;
1752 CBE_ITEMDATA *item;
1754 switch ((INT)wParam)
1756 case VK_ESCAPE:
1757 /* native version seems to do following for COMBOEX */
1759 * GetWindowTextW(Edit,&?, 0x104) x
1760 * CB_GETCURSEL to Combo rets -1 x
1761 * WM_NOTIFY to COMBOEX parent (rebar) x
1762 * (CBEN_ENDEDIT{A|W}
1763 * fChanged = FALSE x
1764 * inewSelection = -1 x
1765 * txt="www.hoho" x
1766 * iWhy = 3 x
1767 * CB_GETCURSEL to Combo rets -1 x
1768 * InvalidateRect(Combo, 0) x
1769 * WM_SETTEXT to Edit x
1770 * EM_SETSEL to Edit (0,0) x
1771 * EM_SETSEL to Edit (0,-1) x
1772 * RedrawWindow(Combo, 0, 0, 5) x
1774 TRACE("special code for VK_ESCAPE\n");
1776 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1778 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1779 cbeend.fChanged = FALSE;
1780 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1781 CB_GETCURSEL, 0, 0);
1782 cbeend.iWhy = CBENF_ESCAPE;
1784 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1785 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1786 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1787 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1788 ERR("item %d not found. Problem!\n", oldItem);
1789 break;
1791 infoPtr->selected = oldItem;
1792 COMBOEX_SetEditText (infoPtr, item);
1793 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1794 RDW_INVALIDATE);
1795 break;
1797 case VK_RETURN:
1798 /* native version seems to do following for COMBOEX */
1800 * GetWindowTextW(Edit,&?, 0x104) x
1801 * CB_GETCURSEL to Combo rets -1 x
1802 * CB_GETCOUNT to Combo rets 0
1803 * if >0 loop
1804 * CB_GETITEMDATA to match
1805 * *** above 3 lines simulated by FindItem x
1806 * WM_NOTIFY to COMBOEX parent (rebar) x
1807 * (CBEN_ENDEDIT{A|W} x
1808 * fChanged = TRUE (-1) x
1809 * iNewSelection = -1 or selected x
1810 * txt= x
1811 * iWhy = 2 (CBENF_RETURN) x
1812 * CB_GETCURSEL to Combo rets -1 x
1813 * if -1 send CB_SETCURSEL to Combo -1 x
1814 * InvalidateRect(Combo, 0, 0) x
1815 * SetFocus(Edit) x
1816 * CallWindowProc(406615a8, Edit, 0x100, 0xd, 0x1c0001)
1819 TRACE("special code for VK_RETURN\n");
1821 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1823 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1824 selected = SendMessageW (infoPtr->hwndCombo,
1825 CB_GETCURSEL, 0, 0);
1827 if (selected != -1) {
1828 cmp_func_t cmptext = get_cmp_func(infoPtr);
1829 item = COMBOEX_FindItem (infoPtr, selected);
1830 TRACE("handling VK_RETURN, selected = %d, selected_text=%s\n",
1831 selected, debugstr_txt(item->pszText));
1832 TRACE("handling VK_RETURN, edittext=%s\n",
1833 debugstr_w(edit_text));
1834 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1835 /* strings not equal -- indicate edit has changed */
1836 selected = -1;
1840 cbeend.iNewSelection = selected;
1841 cbeend.fChanged = TRUE;
1842 cbeend.iWhy = CBENF_RETURN;
1843 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1844 /* abort the change, restore previous */
1845 TRACE("Notify requested abort of change\n");
1846 COMBOEX_SetEditText (infoPtr, infoPtr->edit);
1847 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1848 RDW_INVALIDATE);
1849 return 0;
1851 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1852 if (oldItem != -1) {
1853 /* if something is selected, then deselect it */
1854 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL,
1855 (WPARAM)-1, 0);
1857 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1858 SetFocus(infoPtr->hwndEdit);
1859 break;
1861 case VK_UP:
1862 step = -1;
1863 case VK_DOWN:
1864 /* by default, step is 1 */
1865 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1866 if (oldItem >= 0 && oldItem + step >= 0)
1867 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1868 return 0;
1869 default:
1870 return CallWindowProcW (infoPtr->prevEditWndProc,
1871 hwnd, uMsg, wParam, lParam);
1873 return 0;
1876 case WM_SETFOCUS:
1877 /* remember the focus to set state of icon */
1878 lret = CallWindowProcW (infoPtr->prevEditWndProc,
1879 hwnd, uMsg, wParam, lParam);
1880 infoPtr->flags |= WCBE_EDITFOCUSED;
1881 return lret;
1883 case WM_KILLFOCUS:
1885 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1887 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1888 if (infoPtr->flags & WCBE_ACTEDIT) {
1889 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1891 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1892 cbeend.fChanged = FALSE;
1893 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1894 CB_GETCURSEL, 0, 0);
1895 cbeend.iWhy = CBENF_KILLFOCUS;
1897 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1899 /* fall through */
1901 default:
1902 return CallWindowProcW (infoPtr->prevEditWndProc,
1903 hwnd, uMsg, wParam, lParam);
1908 static LRESULT WINAPI
1909 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1911 HWND hwndComboex = (HWND)GetPropW(hwnd, COMBOEX_SUBCLASS_PROP);
1912 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1913 NMCBEENDEDITW cbeend;
1914 NMMOUSE nmmse;
1915 COLORREF obkc;
1916 HDC hDC;
1917 HWND focusedhwnd;
1918 RECT rect;
1919 POINT pt;
1920 WCHAR edit_text[260];
1922 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1923 hwnd, uMsg, wParam, lParam, infoPtr);
1925 if (!infoPtr) return 0;
1927 switch (uMsg)
1930 case WM_DRAWITEM:
1932 * The only way this message should come is from the
1933 * child Listbox issuing the message. Flag this so
1934 * that ComboEx knows this is listbox.
1936 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1937 return CallWindowProcW (infoPtr->prevComboWndProc,
1938 hwnd, uMsg, wParam, lParam);
1940 case WM_ERASEBKGND:
1942 * The following was determined by traces of the native
1944 hDC = (HDC) wParam;
1945 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1946 GetClientRect (hwnd, &rect);
1947 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1948 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1949 SetBkColor (hDC, obkc);
1950 return CallWindowProcW (infoPtr->prevComboWndProc,
1951 hwnd, uMsg, wParam, lParam);
1953 case WM_SETCURSOR:
1955 * WM_NOTIFY to comboex parent (rebar)
1956 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1957 * CallWindowProc (previous)
1959 nmmse.dwItemSpec = 0;
1960 nmmse.dwItemData = 0;
1961 nmmse.pt.x = 0;
1962 nmmse.pt.y = 0;
1963 nmmse.dwHitInfo = lParam;
1964 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1965 return CallWindowProcW (infoPtr->prevComboWndProc,
1966 hwnd, uMsg, wParam, lParam);
1968 case WM_LBUTTONDOWN:
1969 GetClientRect (hwnd, &rect);
1970 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1971 CB_GETITEMHEIGHT, -1, 0);
1972 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1973 pt.x = (short)LOWORD(lParam);
1974 pt.y = (short)HIWORD(lParam);
1975 if (PtInRect(&rect, pt))
1976 return CallWindowProcW (infoPtr->prevComboWndProc,
1977 hwnd, uMsg, wParam, lParam);
1978 infoPtr->flags |= WCBE_MOUSECAPTURED;
1979 SetCapture(hwnd);
1980 break;
1982 case WM_LBUTTONUP:
1983 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1984 return CallWindowProcW (infoPtr->prevComboWndProc,
1985 hwnd, uMsg, wParam, lParam);
1986 ReleaseCapture();
1987 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1988 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1989 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1990 } else {
1991 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1993 break;
1995 case WM_MOUSEMOVE:
1996 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
1997 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
1998 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1999 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
2000 infoPtr->flags |= WCBE_MOUSEDRAGGED;
2002 return CallWindowProcW (infoPtr->prevComboWndProc,
2003 hwnd, uMsg, wParam, lParam);
2005 case WM_COMMAND:
2006 switch (HIWORD(wParam)) {
2008 case EN_UPDATE:
2009 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
2010 * on the EN_UPDATE
2012 return 0;
2014 case EN_KILLFOCUS:
2016 * Native does:
2018 * GetFocus() retns AA
2019 * GetWindowTextW(Edit)
2020 * CB_GETCURSEL(Combo) (got -1)
2021 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
2022 * CB_GETCURSEL(Combo) (got -1)
2023 * InvalidateRect(Combo, 0, 0)
2024 * WM_KILLFOCUS(Combo, AA)
2025 * return 0;
2027 focusedhwnd = GetFocus();
2028 if (infoPtr->flags & WCBE_ACTEDIT) {
2029 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2030 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
2031 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
2032 CB_GETCURSEL, 0, 0);
2033 cbeend.iWhy = CBENF_KILLFOCUS;
2035 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
2036 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
2038 /* possible CB_GETCURSEL */
2039 InvalidateRect (infoPtr->hwndCombo, 0, 0);
2040 if (focusedhwnd)
2041 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
2042 (WPARAM)focusedhwnd, 0);
2043 return 0;
2045 case EN_SETFOCUS: {
2047 * For EN_SETFOCUS this issues the same calls and messages
2048 * as the native seems to do.
2050 * for some cases however native does the following:
2051 * (noticed after SetFocus during LBUTTONDOWN on
2052 * on dropdown arrow)
2053 * WM_GETTEXTLENGTH (Edit);
2054 * WM_GETTEXT (Edit, len+1, str);
2055 * EM_SETSEL (Edit, 0, 0);
2056 * WM_GETTEXTLENGTH (Edit);
2057 * WM_GETTEXT (Edit, len+1, str);
2058 * EM_SETSEL (Edit, 0, len);
2059 * WM_NOTIFY (parent, CBEN_BEGINEDIT)
2061 NMHDR hdr;
2063 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
2064 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
2065 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
2066 infoPtr->flags |= WCBE_ACTEDIT;
2067 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
2068 return 0;
2071 case EN_CHANGE: {
2073 * For EN_CHANGE this issues the same calls and messages
2074 * as the native seems to do.
2076 WCHAR edit_text[260];
2077 LPCWSTR lastwrk;
2078 cmp_func_t cmptext = get_cmp_func(infoPtr);
2080 INT selected = SendMessageW (infoPtr->hwndCombo,
2081 CB_GETCURSEL, 0, 0);
2083 /* lstrlenW( lastworkingURL ) */
2085 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
2086 if (selected == -1) {
2087 lastwrk = infoPtr->edit->pszText;
2089 else {
2090 CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
2091 lastwrk = COMBOEX_GetText(infoPtr, item);
2094 TRACE("handling EN_CHANGE, selected = %d, selected_text=%s\n",
2095 selected, debugstr_w(lastwrk));
2096 TRACE("handling EN_CHANGE, edittext=%s\n",
2097 debugstr_w(edit_text));
2099 /* cmptext is between lastworkingURL and GetWindowText */
2100 if (cmptext (lastwrk, edit_text)) {
2101 /* strings not equal -- indicate edit has changed */
2102 infoPtr->flags |= WCBE_EDITCHG;
2104 SendMessageW ( infoPtr->hwndNotify, WM_COMMAND,
2105 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
2106 CBN_EDITCHANGE),
2107 (LPARAM)infoPtr->hwndSelf);
2108 return 0;
2111 case LBN_SELCHANGE:
2113 * Therefore from traces there is no additional code here
2117 * Using native COMCTL32 gets the following:
2118 * 1 == SHDOCVW.DLL issues call/message
2119 * 2 == COMCTL32.DLL issues call/message
2120 * 3 == WINE issues call/message
2123 * for LBN_SELCHANGE:
2124 * 1 CB_GETCURSEL(ComboEx)
2125 * 1 CB_GETDROPPEDSTATE(ComboEx)
2126 * 1 CallWindowProc( *2* for WM_COMMAND(LBN_SELCHANGE)
2127 * 2 CallWindowProc( *3* for WM_COMMAND(LBN_SELCHANGE)
2128 ** call CBRollUp( xxx, TRUE for LBN_SELCHANGE, TRUE)
2129 * 3 WM_COMMAND(ComboEx, CBN_SELENDOK)
2130 * WM_USER+49(ComboLB, 1,0) <=============!!!!!!!!!!!
2131 * 3 ShowWindow(ComboLB, SW_HIDE)
2132 * 3 RedrawWindow(Combo, RDW_UPDATENOW)
2133 * 3 WM_COMMAND(ComboEX, CBN_CLOSEUP)
2134 ** end of CBRollUp
2135 * 3 WM_COMMAND(ComboEx, CBN_SELCHANGE) (echo to parent)
2136 * ? LB_GETCURSEL <==|
2137 * ? LB_GETTEXTLEN |
2138 * ? LB_GETTEXT | Needs to be added to
2139 * ? WM_CTLCOLOREDIT(ComboEx) | Combo processing
2140 * ? LB_GETITEMDATA |
2141 * ? WM_DRAWITEM(ComboEx) <==|
2143 default:
2144 break;
2145 }/* fall through */
2146 default:
2147 return CallWindowProcW (infoPtr->prevComboWndProc,
2148 hwnd, uMsg, wParam, lParam);
2150 return 0;
2154 static LRESULT WINAPI
2155 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2157 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
2159 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, uMsg, wParam, lParam);
2161 if (!infoPtr) {
2162 if (uMsg == WM_CREATE)
2163 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2164 if (uMsg == WM_NCCREATE)
2165 COMBOEX_NCCreate (hwnd);
2166 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2169 switch (uMsg)
2171 case CBEM_DELETEITEM:
2172 return COMBOEX_DeleteItem (infoPtr, wParam);
2174 case CBEM_GETCOMBOCONTROL:
2175 return (LRESULT)infoPtr->hwndCombo;
2177 case CBEM_GETEDITCONTROL:
2178 return (LRESULT)infoPtr->hwndEdit;
2180 case CBEM_GETEXTENDEDSTYLE:
2181 return infoPtr->dwExtStyle;
2183 case CBEM_GETIMAGELIST:
2184 return (LRESULT)infoPtr->himl;
2186 case CBEM_GETITEMA:
2187 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2189 case CBEM_GETITEMW:
2190 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2192 case CBEM_GETUNICODEFORMAT:
2193 return infoPtr->unicode;
2195 case CBEM_HASEDITCHANGED:
2196 return COMBOEX_HasEditChanged (infoPtr);
2198 case CBEM_INSERTITEMA:
2199 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2201 case CBEM_INSERTITEMW:
2202 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2204 case CBEM_SETEXSTYLE:
2205 case CBEM_SETEXTENDEDSTYLE:
2206 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2208 case CBEM_SETIMAGELIST:
2209 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2211 case CBEM_SETITEMA:
2212 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2214 case CBEM_SETITEMW:
2215 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2217 case CBEM_SETUNICODEFORMAT:
2218 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2220 /*case CBEM_SETWINDOWTHEME:
2221 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2223 case WM_SETTEXT:
2224 case WM_GETTEXT:
2225 case WM_GETTEXTLENGTH:
2226 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2228 case CB_GETLBTEXT:
2229 return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2231 case CB_GETLBTEXTLEN:
2232 return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2234 case CB_RESETCONTENT:
2235 COMBOEX_ResetContent(infoPtr);
2236 /* fall through */
2238 /* Combo messages we are not sure if we need to process or just forward */
2239 case CB_GETDROPPEDCONTROLRECT:
2240 case CB_GETITEMHEIGHT:
2241 case CB_GETEXTENDEDUI:
2242 case CB_LIMITTEXT:
2243 case CB_SELECTSTRING:
2245 /* Combo messages OK to just forward to the regular COMBO */
2246 case CB_GETCOUNT:
2247 case CB_GETCURSEL:
2248 case CB_GETDROPPEDSTATE:
2249 case CB_SETDROPPEDWIDTH:
2250 case CB_SETEXTENDEDUI:
2251 case CB_SHOWDROPDOWN:
2252 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2254 /* Combo messages we need to process specially */
2255 case CB_FINDSTRINGEXACT:
2256 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2258 case CB_GETITEMDATA:
2259 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2261 case CB_SETCURSEL:
2262 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2264 case CB_SETITEMDATA:
2265 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2267 case CB_SETITEMHEIGHT:
2268 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2272 /* Window messages passed to parent */
2273 case WM_COMMAND:
2274 return COMBOEX_Command (infoPtr, wParam, lParam);
2276 case WM_NOTIFY:
2277 if (infoPtr->NtfUnicode)
2278 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2279 else
2280 return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2283 /* Window messages we need to process */
2284 case WM_DELETEITEM:
2285 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2287 case WM_DRAWITEM:
2288 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2290 case WM_DESTROY:
2291 return COMBOEX_Destroy (infoPtr);
2293 case WM_MEASUREITEM:
2294 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2296 case WM_NOTIFYFORMAT:
2297 return COMBOEX_NotifyFormat (infoPtr, lParam);
2299 case WM_SIZE:
2300 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2302 case WM_WINDOWPOSCHANGING:
2303 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2305 case WM_SETFOCUS:
2306 SetFocus(infoPtr->hwndCombo);
2307 return 0;
2309 default:
2310 if ((uMsg >= WM_USER) && (uMsg < WM_APP))
2311 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",uMsg,wParam,lParam);
2312 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2317 void COMBOEX_Register (void)
2319 WNDCLASSW wndClass;
2321 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2322 wndClass.style = CS_GLOBALCLASS;
2323 wndClass.lpfnWndProc = COMBOEX_WindowProc;
2324 wndClass.cbClsExtra = 0;
2325 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2326 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2327 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2328 wndClass.lpszClassName = WC_COMBOBOXEXW;
2330 RegisterClassW (&wndClass);
2334 void COMBOEX_Unregister (void)
2336 UnregisterClassW (WC_COMBOBOXEXW, NULL);