source: trunk/src/comctl32/comboex.c@ 8650

Last change on this file since 8650 was 8382, checked in by sandervl, 23 years ago

merge with latest Wine
File size: 66.3 KB
Line 
1/*
2 * ComboBoxEx control
3 *
4 * Copyright 1998, 1999 Eric Kohl
5 * Copyright 2000, 2001, 2002 Guy Albertelli <galberte@neo.lrun.com>
6 * Copyright 2002 Dimitrie O. Paun
7 *
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.
12 *
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.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * FIXME:
23 * 1. Implement following extended styles:
24 * CBES_EX_PATHWORDBREAKPROC
25 * CBES_EX_NOSIZELIMIT
26 * CBES_EX_CASESENSITIVE
27 * 2. Notify CBEN_DRAGBEGIN is not implemented.
28 *
29 */
30
31#include <string.h>
32#include "winbase.h"
33#include "commctrl.h"
34#include "wine/debug.h"
35#include "wine/unicode.h"
36
37WINE_DEFAULT_DEBUG_CHANNEL(comboex);
38
39/* Item structure */
40typedef struct
41{
42 VOID *next;
43 UINT mask;
44 LPWSTR pszText;
45 LPWSTR pszTemp;
46 int cchTextMax;
47 int iImage;
48 int iSelectedImage;
49 int iOverlay;
50 int iIndent;
51 LPARAM lParam;
52} CBE_ITEMDATA;
53
54/* ComboBoxEx structure */
55typedef struct
56{
57 HIMAGELIST himl;
58 HWND hwndSelf; /* my own hwnd */
59 HWND hwndCombo;
60 HWND hwndEdit;
61 WNDPROC prevEditWndProc; /* previous Edit WNDPROC value */
62 WNDPROC prevComboWndProc; /* previous Combo WNDPROC value */
63 DWORD dwExtStyle;
64 INT selected; /* index of selected item */
65 DWORD flags; /* WINE internal flags */
66 HFONT defaultFont;
67 HFONT font;
68 INT nb_items; /* Number of items */
69 BOOL unicode; /* TRUE if this window is Unicode */
70 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
71 CBE_ITEMDATA *edit; /* item data for edit item */
72 CBE_ITEMDATA *items; /* Array of items */
73} COMBOEX_INFO;
74
75/* internal flags in the COMBOEX_INFO structure */
76#define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
77 * CBEN_BEGINEDIT issued
78 * but CBEN_ENDEDIT{A|W}
79 * not yet issued. */
80#define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
81#define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
82#define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
83
84
85#define ID_CB_EDIT 1001
86
87
88/*
89 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
90 * the ComboEx version of the Combo Window Proc so that when the
91 * WM_DRAWITEM message is then passed to ComboEx, we know that this
92 * particular WM_DRAWITEM message is for listbox only items. Any messasges
93 * without this flag is then for the Edit control field.
94 *
95 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
96 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
97 */
98#define ODS_COMBOEXLBOX 0x4000
99
100
101
102/* Height in pixels of control over the amount of the selected font */
103#define CBE_EXTRA 3
104
105/* Indent amount per MS documentation */
106#define CBE_INDENT 10
107
108/* Offset in pixels from left side for start of image or text */
109#define CBE_STARTOFFSET 6
110
111/* Offset between image and text */
112#define CBE_SEP 4
113
114#define COMBOEX_SUBCLASS_PROP "CCComboEx32SubclassInfo"
115#define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongW (hwnd, 0))
116
117
118/* Things common to the entire DLL */
119static LRESULT WINAPI
120COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
121static LRESULT WINAPI
122COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
123static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
124
125inline static BOOL is_textW(LPCWSTR str)
126{
127 return str && str != LPSTR_TEXTCALLBACKW;
128}
129
130inline static BOOL is_textA(LPCSTR str)
131{
132 return str && str != LPSTR_TEXTCALLBACKA;
133}
134
135inline static LPCSTR debugstr_txt(LPCWSTR str)
136{
137 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
138 return debugstr_w(str);
139}
140
141static void COMBOEX_DumpItem (CBE_ITEMDATA *item)
142{
143 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
144 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
145 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
146 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
147 if (item->mask & CBEIF_TEXT)
148 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
149}
150
151
152static void COMBOEX_DumpInput (COMBOBOXEXITEMW *input)
153{
154 TRACE("input - mask=%08x, iItem=%d, pszText=%p, cchTM=%d, iImage=%d\n",
155 input->mask, input->iItem, input->pszText, input->cchTextMax,
156 input->iImage);
157 if (input->mask & CBEIF_TEXT)
158 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
159 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
160 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
161}
162
163
164inline static CBE_ITEMDATA *get_item_data(COMBOEX_INFO *infoPtr, INT index)
165{
166 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
167 (WPARAM)index, 0);
168}
169
170
171static INT COMBOEX_Notify (COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
172{
173 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
174 hdr->hwndFrom = infoPtr->hwndSelf;
175 hdr->code = code;
176 if (infoPtr->NtfUnicode)
177 return SendMessageW (GetParent(infoPtr->hwndSelf), WM_NOTIFY, 0,
178 (LPARAM)hdr);
179 else
180 return SendMessageA (GetParent(infoPtr->hwndSelf), WM_NOTIFY, 0,
181 (LPARAM)hdr);
182}
183
184
185static INT
186COMBOEX_NotifyItem (COMBOEX_INFO *infoPtr, INT code, NMCOMBOBOXEXW *hdr)
187{
188 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
189 if (infoPtr->NtfUnicode)
190 return COMBOEX_Notify (infoPtr, code, &hdr->hdr);
191 else {
192 LPWSTR wstr = hdr->ceItem.pszText;
193 LPSTR astr = 0;
194 INT ret, len = 0;
195
196 if ((hdr->ceItem.mask & CBEIF_TEXT) && is_textW(wstr)) {
197 len = WideCharToMultiByte (CP_ACP, 0, wstr, -1, 0, 0, NULL, NULL);
198 if (len > 0) {
199 astr = (LPSTR)COMCTL32_Alloc ((len + 1)*sizeof(CHAR));
200 if (!astr) return 0;
201 WideCharToMultiByte (CP_ACP, 0, wstr, -1, astr, len, 0, 0);
202 hdr->ceItem.pszText = (LPWSTR)astr;
203 }
204 }
205
206 if (code == CBEN_ENDEDITW) code = CBEN_ENDEDITA;
207 else if (code == CBEN_GETDISPINFOW) code = CBEN_GETDISPINFOA;
208 else if (code == CBEN_DRAGBEGINW) code = CBEN_DRAGBEGINA;
209
210 ret = COMBOEX_Notify (infoPtr, code, (NMHDR *)hdr);
211
212 if (astr && hdr->ceItem.pszText == (LPWSTR)astr)
213 hdr->ceItem.pszText = wstr;
214
215 if (astr) COMCTL32_Free(astr);
216
217 return ret;
218 }
219}
220
221
222static INT COMBOEX_NotifyEndEdit (COMBOEX_INFO *infoPtr, NMCBEENDEDITW *neew, LPCWSTR wstr)
223{
224 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
225 if (infoPtr->NtfUnicode) {
226 lstrcpynW(neew->szText, wstr, CBEMAXSTRLEN);
227 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITW, &neew->hdr);
228 } else {
229 NMCBEENDEDITA neea;
230
231 memcpy (&neea.hdr, &neew->hdr, sizeof(NMHDR));
232 neea.fChanged = neew->fChanged;
233 neea.iNewSelection = neew->iNewSelection;
234 WideCharToMultiByte (CP_ACP, 0, wstr, -1, neea.szText, CBEMAXSTRLEN, 0, 0);
235 neea.iWhy = neew->iWhy;
236
237 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITA, &neea.hdr);
238 }
239}
240
241
242static void COMBOEX_FreeText (CBE_ITEMDATA *item)
243{
244 if (is_textW(item->pszText)) COMCTL32_Free(item->pszText);
245 item->pszText = 0;
246 if (item->pszTemp) COMCTL32_Free(item->pszTemp);
247 item->pszTemp = 0;
248}
249
250
251static LPCWSTR COMBOEX_GetText(COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
252{
253 NMCOMBOBOXEXW nmce;
254 LPWSTR text, buf;
255 INT len;
256
257 if (item->pszText != LPSTR_TEXTCALLBACKW)
258 return item->pszText;
259
260 ZeroMemory(&nmce, sizeof(nmce));
261 nmce.ceItem.mask = CBEIF_TEXT;
262 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
263
264 if (is_textW(nmce.ceItem.pszText)) {
265 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
266 buf = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
267 if (buf)
268 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
269 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
270 COMBOEX_FreeText(item);
271 item->pszText = buf;
272 } else {
273 if (item->pszTemp) COMCTL32_Free(item->pszTemp);
274 item->pszTemp = buf;
275 }
276 text = buf;
277 } else
278 text = nmce.ceItem.pszText;
279
280 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
281 item->pszText = text;
282 return text;
283}
284
285
286static void COMBOEX_GetComboFontSize (COMBOEX_INFO *infoPtr, SIZE *size)
287{
288 HFONT nfont, ofont;
289 HDC mydc;
290
291 mydc = GetDC (0); /* why the entire screen???? */
292 nfont = SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
293 ofont = (HFONT) SelectObject (mydc, nfont);
294 GetTextExtentPointA (mydc, "A", 1, size);
295 SelectObject (mydc, ofont);
296 ReleaseDC (0, mydc);
297 TRACE("selected font hwnd=%08x, height=%ld\n", nfont, size->cy);
298}
299
300
301static void COMBOEX_CopyItem (CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
302{
303 if (cit->mask & CBEIF_TEXT) {
304 /*
305 * when given a text buffer actually use that buffer
306 */
307 if (cit->pszText) {
308 if (is_textW(item->pszText))
309 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
310 else
311 cit->pszText[0] = 0;
312 } else {
313 cit->pszText = item->pszText;
314 cit->cchTextMax = item->cchTextMax;
315 }
316 }
317 if (cit->mask & CBEIF_IMAGE)
318 cit->iImage = item->iImage;
319 if (cit->mask & CBEIF_SELECTEDIMAGE)
320 cit->iSelectedImage = item->iSelectedImage;
321 if (cit->mask & CBEIF_OVERLAY)
322 cit->iOverlay = item->iOverlay;
323 if (cit->mask & CBEIF_INDENT)
324 cit->iIndent = item->iIndent;
325 if (cit->mask & CBEIF_LPARAM)
326 cit->lParam = item->lParam;
327}
328
329
330static void COMBOEX_AdjustEditPos (COMBOEX_INFO *infoPtr)
331{
332 SIZE mysize;
333 INT x, y, w, h, xioff;
334 RECT rect;
335
336 if (!infoPtr->hwndEdit) return;
337
338 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
339 IMAGEINFO iinfo;
340 iinfo.rcImage.left = iinfo.rcImage.right = 0;
341 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
342 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
343 } else xioff = 0;
344
345 GetClientRect (infoPtr->hwndCombo, &rect);
346 InflateRect (&rect, -2, -2);
347 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
348
349 /* reposition the Edit control based on whether icon exists */
350 COMBOEX_GetComboFontSize (infoPtr, &mysize);
351 TRACE("Combo font x=%ld, y=%ld\n", mysize.cx, mysize.cy);
352 x = xioff + CBE_STARTOFFSET + 1;
353 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
354 h = mysize.cy + 1;
355 y = rect.bottom - h - 1;
356
357 TRACE("Combo client (%d,%d)-(%d,%d), setting Edit to (%d,%d)-(%d,%d)\n",
358 rect.left, rect.top, rect.right, rect.bottom, x, y, x + w, y + h);
359 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
360 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
361}
362
363
364static void COMBOEX_ReSize (COMBOEX_INFO *infoPtr)
365{
366 SIZE mysize;
367 UINT cy;
368 IMAGEINFO iinfo;
369
370 COMBOEX_GetComboFontSize (infoPtr, &mysize);
371 cy = mysize.cy + CBE_EXTRA;
372 if (infoPtr->himl) {
373 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
374 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
375 TRACE("upgraded height due to image: height=%d\n", cy);
376 }
377 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, (WPARAM)-1, (LPARAM)cy);
378 if (infoPtr->hwndCombo)
379 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
380 (WPARAM) 0, (LPARAM) cy);
381}
382
383
384static void COMBOEX_SetEditText (COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
385{
386 if (!infoPtr->hwndEdit) return;
387 /* native issues the following messages to the {Edit} control */
388 /* WM_SETTEXT (0,addr) */
389 /* EM_SETSEL32 (0,0) */
390 /* EM_SETSEL32 (0,-1) */
391 if (item->mask & CBEIF_TEXT) {
392 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
393 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
394 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
395 }
396}
397
398
399static CBE_ITEMDATA * COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT index)
400{
401 CBE_ITEMDATA *item;
402 INT i;
403
404 if ((index > infoPtr->nb_items) || (index < -1))
405 return 0;
406 if (index == -1)
407 return infoPtr->edit;
408 item = infoPtr->items;
409 i = infoPtr->nb_items - 1;
410
411 /* find the item in the list */
412 while (item && (i > index)) {
413 item = (CBE_ITEMDATA *)item->next;
414 i--;
415 }
416 if (!item || (i != index)) {
417 ERR("COMBOBOXEX item structures broken. Please report!\n");
418 return 0;
419 }
420 return item;
421}
422
423
424static inline BOOL COMBOEX_HasEdit(COMBOEX_INFO *infoPtr)
425{
426 return infoPtr->hwndEdit;
427}
428
429
430/* *** CBEM_xxx message support *** */
431
432
433static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT index)
434{
435 CBE_ITEMDATA *item;
436
437 TRACE("(index=%d)\n", index);
438
439 /* if item number requested does not exist then return failure */
440 if ((index > infoPtr->nb_items) || (index < 0)) return CB_ERR;
441 if (!(item = COMBOEX_FindItem(infoPtr, index))) return CB_ERR;
442
443 /* doing this will result in WM_DELETEITEM being issued */
444 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, (WPARAM)index, 0);
445
446 return infoPtr->nb_items;
447}
448
449
450static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
451{
452 INT index = cit->iItem;
453 CBE_ITEMDATA *item;
454
455 TRACE("(...)\n");
456
457 /* if item number requested does not exist then return failure */
458 if ((index > infoPtr->nb_items) || (index < -1)) return FALSE;
459
460 /* if the item is the edit control and there is no edit control, skip */
461 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
462
463 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
464
465 COMBOEX_CopyItem (item, cit);
466
467 return TRUE;
468}
469
470
471static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
472{
473 COMBOBOXEXITEMW tmpcit;
474
475 TRACE("(...)\n");
476
477 tmpcit.mask = cit->mask;
478 tmpcit.iItem = cit->iItem;
479 tmpcit.pszText = 0;
480 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
481
482 if (is_textW(tmpcit.pszText) && cit->pszText)
483 WideCharToMultiByte (CP_ACP, 0, tmpcit.pszText, -1,
484 cit->pszText, cit->cchTextMax, NULL, NULL);
485 else if (cit->pszText) cit->pszText[0] = 0;
486 else cit->pszText = (LPSTR)tmpcit.pszText;
487
488 cit->iImage = tmpcit.iImage;
489 cit->iSelectedImage = tmpcit.iSelectedImage;
490 cit->iOverlay = tmpcit.iOverlay;
491 cit->iIndent = tmpcit.iIndent;
492 cit->lParam = tmpcit.lParam;
493
494 return TRUE;
495}
496
497
498inline static BOOL COMBOEX_HasEditChanged (COMBOEX_INFO *infoPtr)
499{
500 return COMBOEX_HasEdit(infoPtr) &&
501 (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
502}
503
504
505static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
506{
507 INT index;
508 CBE_ITEMDATA *item;
509 NMCOMBOBOXEXW nmcit;
510
511 TRACE("\n");
512
513 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
514
515 /* get real index of item to insert */
516 index = cit->iItem;
517 if (index == -1) index = infoPtr->nb_items;
518 if (index > infoPtr->nb_items) index = infoPtr->nb_items;
519
520 /* get zero-filled space and chain it in */
521 if(!(item = (CBE_ITEMDATA *)COMCTL32_Alloc (sizeof(*item)))) return -1;
522
523 /* locate position to insert new item in */
524 if (index == infoPtr->nb_items) {
525 /* fast path for iItem = -1 */
526 item->next = infoPtr->items;
527 infoPtr->items = item;
528 }
529 else {
530 INT i = infoPtr->nb_items-1;
531 CBE_ITEMDATA *moving = infoPtr->items;
532
533 while ((i > index) && moving) {
534 moving = (CBE_ITEMDATA *)moving->next;
535 i--;
536 }
537 if (!moving) {
538 ERR("COMBOBOXEX item structures broken. Please report!\n");
539 COMCTL32_Free(item);
540 return -1;
541 }
542 item->next = moving->next;
543 moving->next = item;
544 }
545
546 /* fill in our hidden item structure */
547 item->mask = cit->mask;
548 if (item->mask & CBEIF_TEXT) {
549 INT len = 0;
550
551 if (is_textW(cit->pszText)) len = strlenW (cit->pszText);
552 if (len > 0) {
553 item->pszText = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
554 if (!item->pszText) {
555 COMCTL32_Free(item);
556 return -1;
557 }
558 strcpyW (item->pszText, cit->pszText);
559 }
560 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
561 item->pszText = LPSTR_TEXTCALLBACKW;
562 item->cchTextMax = cit->cchTextMax;
563 }
564 if (item->mask & CBEIF_IMAGE)
565 item->iImage = cit->iImage;
566 if (item->mask & CBEIF_SELECTEDIMAGE)
567 item->iSelectedImage = cit->iSelectedImage;
568 if (item->mask & CBEIF_OVERLAY)
569 item->iOverlay = cit->iOverlay;
570 if (item->mask & CBEIF_INDENT)
571 item->iIndent = cit->iIndent;
572 if (item->mask & CBEIF_LPARAM)
573 item->lParam = cit->lParam;
574 infoPtr->nb_items++;
575
576 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
577
578 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING,
579 (WPARAM)cit->iItem, (LPARAM)item);
580
581 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
582 COMBOEX_CopyItem (item, &nmcit.ceItem);
583 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
584
585 return index;
586
587}
588
589
590static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
591{
592 COMBOBOXEXITEMW citW;
593 LPWSTR wstr = NULL;
594 INT ret;
595
596 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
597 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
598 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
599 wstr = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
600 if (!wstr) return -1;
601 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
602 citW.pszText = wstr;
603 }
604 ret = COMBOEX_InsertItemW(infoPtr, &citW);;
605
606 if (wstr) COMCTL32_Free(wstr);
607
608 return ret;
609}
610
611
612static DWORD
613COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
614{
615 DWORD dwTemp;
616
617 TRACE("(mask=x%08lx, style=0x%08lx)\n", mask, style);
618
619 dwTemp = infoPtr->dwExtStyle;
620
621 if (style & (CBES_EX_PATHWORDBREAKPROC |
622 CBES_EX_NOSIZELIMIT |
623 CBES_EX_CASESENSITIVE))
624 FIXME("Extended style not implemented %08lx\n", style);
625
626 if (mask)
627 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
628 else
629 infoPtr->dwExtStyle = style;
630
631 /* test if the control's appearance has changed */
632 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
633 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
634 /* if state of EX_NOEDITIMAGE changes, invalidate all */
635 TRACE("EX_NOEDITIMAGE state changed to %ld\n",
636 infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
637 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
638 COMBOEX_AdjustEditPos (infoPtr);
639 if (infoPtr->hwndEdit)
640 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
641 }
642
643 return dwTemp;
644}
645
646
647static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
648{
649 HIMAGELIST himlTemp = infoPtr->himl;
650
651 TRACE("(...)\n");
652
653 infoPtr->himl = himl;
654
655 COMBOEX_ReSize (infoPtr);
656 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
657
658 /* reposition the Edit control based on whether icon exists */
659 COMBOEX_AdjustEditPos (infoPtr);
660 return himlTemp;
661}
662
663static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
664{
665 INT index = cit->iItem;
666 CBE_ITEMDATA *item;
667
668 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
669
670 /* if item number requested does not exist then return failure */
671 if ((index > infoPtr->nb_items) || (index < -1)) return FALSE;
672
673 /* if the item is the edit control and there is no edit control, skip */
674 if ((index == -1) && !COMBOEX_HasEdit(infoPtr)) return FALSE;
675
676 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
677
678 /* add/change stuff to the internal item structure */
679 item->mask |= cit->mask;
680 if (cit->mask & CBEIF_TEXT) {
681 INT len = 0;
682
683 COMBOEX_FreeText(item);
684 if (is_textW(cit->pszText)) len = strlenW(cit->pszText);
685 if (len > 0) {
686 item->pszText = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
687 if (!item->pszText) return FALSE;
688 strcpyW(item->pszText, cit->pszText);
689 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
690 item->pszText = LPSTR_TEXTCALLBACKW;
691 item->cchTextMax = cit->cchTextMax;
692 }
693 if (cit->mask & CBEIF_IMAGE)
694 item->iImage = cit->iImage;
695 if (cit->mask & CBEIF_SELECTEDIMAGE)
696 item->iSelectedImage = cit->iSelectedImage;
697 if (cit->mask & CBEIF_OVERLAY)
698 item->iOverlay = cit->iOverlay;
699 if (cit->mask & CBEIF_INDENT)
700 item->iIndent = cit->iIndent;
701 if (cit->mask & CBEIF_LPARAM)
702 cit->lParam = cit->lParam;
703
704 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
705
706 /* if original request was to update edit control, do some fast foot work */
707 if (cit->iItem == -1) {
708 COMBOEX_SetEditText (infoPtr, item);
709 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
710 }
711 return TRUE;
712}
713
714static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
715{
716 COMBOBOXEXITEMW citW;
717 LPWSTR wstr = NULL;
718 BOOL ret;
719
720 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
721 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
722 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
723 wstr = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
724 if (!wstr) return FALSE;
725 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
726 citW.pszText = wstr;
727 }
728 ret = COMBOEX_SetItemW(infoPtr, &citW);;
729
730 if (wstr) COMCTL32_Free(wstr);
731
732 return ret;
733}
734
735
736static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
737{
738 BOOL bTemp = infoPtr->unicode;
739
740 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
741
742 infoPtr->unicode = value;
743
744 return bTemp;
745}
746
747
748/* *** CB_xxx message support *** */
749
750static INT
751COMBOEX_FindStringExact (COMBOEX_INFO *infoPtr, INT start, LPCSTR str)
752{
753 INT i, count;
754 CBE_ITEMDATA *item;
755 LPWSTR desired = NULL;
756
757 i = MultiByteToWideChar (CP_ACP, 0, str, -1, NULL, 0);
758 if (i > 0) {
759 desired = (LPWSTR)COMCTL32_Alloc ((i + 1)*sizeof(WCHAR));
760 if (!desired) return CB_ERR;
761 MultiByteToWideChar (CP_ACP, 0, str, -1, desired, i);
762 }
763
764 count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
765
766 /* now search from after starting loc and wrapping back to start */
767 for(i=start+1; i<count; i++) {
768 item = get_item_data(infoPtr, i);
769 if (lstrcmpiW(COMBOEX_GetText(infoPtr, item), desired) == 0) {
770 COMCTL32_Free (desired);
771 return i;
772 }
773 }
774 for(i=0; i<=start; i++) {
775 item = get_item_data(infoPtr, i);
776 if (lstrcmpiW(COMBOEX_GetText(infoPtr, item), desired) == 0) {
777 COMCTL32_Free (desired);
778 return i;
779 }
780 }
781 COMCTL32_Free(desired);
782 return CB_ERR;
783}
784
785
786static DWORD COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT index)
787{
788 CBE_ITEMDATA *item1, *item2;
789 DWORD ret = 0;
790
791 item1 = get_item_data(infoPtr, index);
792 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
793 item2 = COMBOEX_FindItem (infoPtr, index);
794 if (item2 != item1) {
795 ERR("data structures damaged!\n");
796 return CB_ERR;
797 }
798 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
799 TRACE("returning 0x%08lx\n", ret);
800 } else {
801 ret = (DWORD)item1;
802 TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
803 }
804 return ret;
805}
806
807
808static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT index)
809{
810 CBE_ITEMDATA *item;
811 INT sel;
812
813 if (!(item = COMBOEX_FindItem(infoPtr, index)))
814 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
815
816 TRACE("selecting item %d text=%s\n", index, debugstr_txt(item->pszText));
817 infoPtr->selected = index;
818
819 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
820 COMBOEX_SetEditText (infoPtr, item);
821 return sel;
822}
823
824
825static DWORD COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT index, DWORD data)
826{
827 CBE_ITEMDATA *item1, *item2;
828
829 item1 = get_item_data(infoPtr, index);
830 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
831 item2 = COMBOEX_FindItem (infoPtr, index);
832 if (item2 != item1) {
833 ERR("data structures damaged!\n");
834 return CB_ERR;
835 }
836 item1->mask |= CBEIF_LPARAM;
837 item1->lParam = data;
838 TRACE("setting lparam to 0x%08lx\n", data);
839 return 0;
840 }
841 TRACE("non-valid result from combo 0x%08lx\n", (DWORD)item1);
842 return (LRESULT)item1;
843}
844
845
846static INT COMBOEX_SetItemHeight (COMBOEX_INFO *infoPtr, INT index, UINT height)
847{
848 RECT cb_wrect, cbx_wrect, cbx_crect;
849
850 /* First, lets forward the message to the normal combo control
851 just like Windows. */
852 if (infoPtr->hwndCombo)
853 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
854 index, height) == CB_ERR) return CB_ERR;
855
856 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
857 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
858 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
859 /* the height of comboex as height of the combo + comboex border */
860 height = cb_wrect.bottom-cb_wrect.top
861 + cbx_wrect.bottom-cbx_wrect.top
862 - (cbx_crect.bottom-cbx_crect.top);
863 TRACE("EX window=(%d,%d)-(%d,%d), client=(%d,%d)-(%d,%d)\n",
864 cbx_wrect.left, cbx_wrect.top, cbx_wrect.right, cbx_wrect.bottom,
865 cbx_crect.left, cbx_crect.top, cbx_crect.right, cbx_crect.bottom);
866 TRACE("CB window=(%d,%d)-(%d,%d), EX setting=(0,0)-(%d,%d)\n",
867 cb_wrect.left, cb_wrect.top, cb_wrect.right, cb_wrect.bottom,
868 cbx_wrect.right-cbx_wrect.left, height);
869 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
870 cbx_wrect.right-cbx_wrect.left, height,
871 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
872
873 return 0;
874}
875
876
877/* *** WM_xxx message support *** */
878
879
880static LRESULT COMBOEX_Create (HWND hwnd, LPCREATESTRUCTA cs)
881{
882 WCHAR COMBOBOX[] = { 'C', 'o', 'm', 'b', 'o', 'B', 'o', 'x', 0 };
883 WCHAR EDIT[] = { 'E', 'D', 'I', 'T', 0 };
884 WCHAR NIL[] = { 0 };
885 COMBOEX_INFO *infoPtr;
886 DWORD dwComboStyle;
887 LOGFONTW mylogfont;
888 RECT wnrc1, clrc1, cmbwrc;
889 INT i;
890
891 /* allocate memory for info structure */
892 infoPtr = (COMBOEX_INFO *)COMCTL32_Alloc (sizeof(COMBOEX_INFO));
893 if (!infoPtr) return -1;
894
895 /* initialize info structure */
896 /* note that infoPtr is allocated zero-filled */
897
898 infoPtr->hwndSelf = hwnd;
899 infoPtr->selected = -1;
900
901 infoPtr->unicode = IsWindowUnicode (hwnd);
902
903 i = SendMessageW(GetParent (hwnd), WM_NOTIFYFORMAT, hwnd, NF_QUERY);
904 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
905 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
906 i = NFR_ANSI;
907 }
908 infoPtr->NtfUnicode = (i == NFR_UNICODE);
909
910 SetWindowLongW (hwnd, 0, (DWORD)infoPtr);
911
912 /* create combo box */
913 dwComboStyle = GetWindowLongW (hwnd, GWL_STYLE) &
914 (CBS_SIMPLE|CBS_DROPDOWN|CBS_DROPDOWNLIST|WS_CHILD);
915
916 GetWindowRect(hwnd, &wnrc1);
917 GetClientRect(hwnd, &clrc1);
918 TRACE("EX window=(%d,%d)-(%d,%d) client=(%d,%d)-(%d,%d)\n",
919 wnrc1.left, wnrc1.top, wnrc1.right, wnrc1.bottom,
920 clrc1.left, clrc1.top, clrc1.right, clrc1.bottom);
921 TRACE("combo style=%08lx, adding style=%08lx\n", dwComboStyle,
922 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
923 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
924 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED);
925
926 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
927 /* specified. It then creates it's own version of the EDIT control */
928 /* and makes the ComboBox the parent. This is because a normal */
929 /* DROPDOWNLIST does not have a EDIT control, but we need one. */
930 /* We also need to place the edit control at the proper location */
931 /* (allow space for the icons). */
932
933 infoPtr->hwndCombo = CreateWindowW (COMBOBOX, NIL,
934 /* following line added to match native */
935 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
936 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
937 /* was base and is necessary */
938 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED | dwComboStyle,
939 cs->y, cs->x, cs->cx, cs->cy, hwnd,
940 (HMENU) GetWindowLongW (hwnd, GWL_ID),
941 GetWindowLongW (hwnd, GWL_HINSTANCE), NULL);
942
943 /*
944 * native does the following at this point according to trace:
945 * GetWindowThreadProcessId(hwndCombo,0)
946 * GetCurrentThreadId()
947 * GetWindowThreadProcessId(hwndCombo, &???)
948 * GetCurrentProcessId()
949 */
950
951 /*
952 * Setup a property to hold the pointer to the COMBOBOXEX
953 * data structure.
954 */
955 SetPropA(infoPtr->hwndCombo, COMBOEX_SUBCLASS_PROP, hwnd);
956 infoPtr->prevComboWndProc = (WNDPROC)SetWindowLongW(infoPtr->hwndCombo,
957 GWL_WNDPROC, (LONG)COMBOEX_ComboWndProc);
958 infoPtr->font = SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
959
960
961 /*
962 * Now create our own EDIT control so we can position it.
963 * It is created only for CBS_DROPDOWN style
964 */
965 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
966 infoPtr->hwndEdit = CreateWindowExW (0, EDIT, NIL,
967 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
968 0, 0, 0, 0, /* will set later */
969 infoPtr->hwndCombo,
970 (HMENU) GetWindowLongW (hwnd, GWL_ID),
971 GetWindowLongW (hwnd, GWL_HINSTANCE),
972 NULL);
973
974 /* native does the following at this point according to trace:
975 * GetWindowThreadProcessId(hwndEdit,0)
976 * GetCurrentThreadId()
977 * GetWindowThreadProcessId(hwndEdit, &???)
978 * GetCurrentProcessId()
979 */
980
981 /*
982 * Setup a property to hold the pointer to the COMBOBOXEX
983 * data structure.
984 */
985 SetPropA(infoPtr->hwndEdit, COMBOEX_SUBCLASS_PROP, hwnd);
986 infoPtr->prevEditWndProc = (WNDPROC)SetWindowLongW(infoPtr->hwndEdit,
987 GWL_WNDPROC, (LONG)COMBOEX_EditWndProc);
988 infoPtr->font = SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
989 }
990
991 /*
992 * Locate the default font if necessary and then set it in
993 * all associated controls
994 */
995 if (!infoPtr->font) {
996 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
997 &mylogfont, 0);
998 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
999 }
1000 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1001 if (infoPtr->hwndEdit) {
1002 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1003 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, (WPARAM)EC_USEFONTINFO, 0);
1004 }
1005
1006 COMBOEX_ReSize (infoPtr);
1007
1008 /* Above is fairly certain, below is much less certain. */
1009
1010 GetWindowRect(hwnd, &wnrc1);
1011 GetClientRect(hwnd, &clrc1);
1012 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1013 TRACE("EX window=(%d,%d)-(%d,%d) client=(%d,%d)-(%d,%d) CB wnd=(%d,%d)-(%d,%d)\n",
1014 wnrc1.left, wnrc1.top, wnrc1.right, wnrc1.bottom,
1015 clrc1.left, clrc1.top, clrc1.right, clrc1.bottom,
1016 cmbwrc.left, cmbwrc.top, cmbwrc.right, cmbwrc.bottom);
1017 SetWindowPos(infoPtr->hwndCombo, HWND_TOP,
1018 0, 0, wnrc1.right-wnrc1.left, wnrc1.bottom-wnrc1.top,
1019 SWP_NOACTIVATE | SWP_NOREDRAW);
1020
1021 GetWindowRect(infoPtr->hwndCombo, &cmbwrc);
1022 TRACE("CB window=(%d,%d)-(%d,%d)\n",
1023 cmbwrc.left, cmbwrc.top, cmbwrc.right, cmbwrc.bottom);
1024 SetWindowPos(hwnd, HWND_TOP,
1025 0, 0, cmbwrc.right-cmbwrc.left, cmbwrc.bottom-cmbwrc.top,
1026 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1027
1028 COMBOEX_AdjustEditPos (infoPtr);
1029
1030 /*
1031 * Create an item structure to represent the data in the
1032 * EDIT control. It is allocated zero-filled.
1033 */
1034 infoPtr->edit = (CBE_ITEMDATA *)COMCTL32_Alloc (sizeof (CBE_ITEMDATA));
1035 if (!infoPtr->edit) {
1036 COMBOEX_Destroy(infoPtr);
1037 return -1;
1038 }
1039
1040 return 0;
1041}
1042
1043
1044static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1045{
1046 LRESULT lret;
1047 INT command = HIWORD(wParam);
1048 CBE_ITEMDATA *item = 0;
1049 WCHAR wintext[520];
1050 INT cursel, n, oldItem;
1051 NMCBEENDEDITW cbeend;
1052 DWORD oldflags;
1053 HWND parent = GetParent (infoPtr->hwndSelf);
1054
1055 TRACE("for command %d\n", command);
1056
1057 switch (command)
1058 {
1059 case CBN_DROPDOWN:
1060 SetFocus (infoPtr->hwndCombo);
1061 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1062 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1063
1064 case CBN_CLOSEUP:
1065 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1066 /*
1067 * from native trace of first dropdown after typing in URL in IE4
1068 * CB_GETCURSEL(Combo)
1069 * GetWindowText(Edit)
1070 * CB_GETCURSEL(Combo)
1071 * CB_GETCOUNT(Combo)
1072 * CB_GETITEMDATA(Combo, n)
1073 * WM_NOTIFY(parent, CBEN_ENDEDITA|W)
1074 * CB_GETCURSEL(Combo)
1075 * CB_SETCURSEL(COMBOEX, n)
1076 * SetFocus(Combo)
1077 * the rest is supposition
1078 */
1079 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1080 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1081 InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1082 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1083 if (cursel == -1) {
1084 /* find match from edit against those in Combobox */
1085 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1086 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1087 for (cursel = 0; cursel < n; cursel++){
1088 item = get_item_data(infoPtr, cursel);
1089 if ((INT)item == CB_ERR) break;
1090 if (!lstrcmpiW(COMBOEX_GetText(infoPtr, item), wintext)) break;
1091 }
1092 if ((cursel == n) || ((INT)item == CB_ERR)) {
1093 TRACE("failed to find match??? item=%p cursel=%d\n",
1094 item, cursel);
1095 if (infoPtr->hwndEdit)
1096 SetFocus(infoPtr->hwndEdit);
1097 return 0;
1098 }
1099 }
1100 else {
1101 item = get_item_data(infoPtr, cursel);
1102 if ((INT)item == CB_ERR) {
1103 TRACE("failed to find match??? item=%p cursel=%d\n",
1104 item, cursel);
1105 if (infoPtr->hwndEdit)
1106 SetFocus(infoPtr->hwndEdit);
1107 return 0;
1108 }
1109 }
1110
1111 /* Save flags for testing and reset them */
1112 oldflags = infoPtr->flags;
1113 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1114
1115 if (oldflags & WCBE_ACTEDIT) {
1116 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1117 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1118 CB_GETCURSEL, 0, 0);
1119 cbeend.iWhy = CBENF_DROPDOWN;
1120
1121 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1122 }
1123
1124 /* if selection has changed the set the new current selection */
1125 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1126 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1127 infoPtr->selected = cursel;
1128 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1129 SetFocus(infoPtr->hwndCombo);
1130 }
1131 return 0;
1132
1133 case CBN_SELCHANGE:
1134 /*
1135 * CB_GETCURSEL(Combo)
1136 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1137 * lstrlenA
1138 * WM_SETTEXT(Edit)
1139 * WM_GETTEXTLENGTH(Edit)
1140 * WM_GETTEXT(Edit)
1141 * EM_SETSEL(Edit, 0,0)
1142 * WM_GETTEXTLENGTH(Edit)
1143 * WM_GETTEXT(Edit)
1144 * EM_SETSEL(Edit, 0,len)
1145 * return WM_COMMAND to parent
1146 */
1147 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1148 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1149 ERR("item %d not found. Problem!\n", oldItem);
1150 break;
1151 }
1152 infoPtr->selected = oldItem;
1153 COMBOEX_SetEditText (infoPtr, item);
1154 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1155
1156 case CBN_SELENDOK:
1157 /*
1158 * We have to change the handle since we are the control
1159 * issuing the message. IE4 depends on this.
1160 */
1161 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1162
1163 case CBN_KILLFOCUS:
1164 /*
1165 * from native trace:
1166 *
1167 * pass to parent
1168 * WM_GETTEXT(Edit, 104)
1169 * CB_GETCURSEL(Combo) rets -1
1170 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1171 * CB_GETCURSEL(Combo)
1172 * InvalidateRect(Combo, 0, 0)
1173 * return 0
1174 */
1175 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1176 if (infoPtr->flags & WCBE_ACTEDIT) {
1177 GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1178 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1179 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1180 CB_GETCURSEL, 0, 0);
1181 cbeend.iWhy = CBENF_KILLFOCUS;
1182
1183 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1184 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1185 }
1186 /* possible CB_GETCURSEL */
1187 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1188 return 0;
1189
1190 default:
1191 /*
1192 * We have to change the handle since we are the control
1193 * issuing the message. IE4 depends on this.
1194 * We also need to set the focus back to the Edit control
1195 * after passing the command to the parent of the ComboEx.
1196 */
1197 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1198 if (infoPtr->hwndEdit)
1199 SetFocus(infoPtr->hwndEdit);
1200 return lret;
1201 }
1202 return 0;
1203}
1204
1205
1206static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT *dis)
1207{
1208 CBE_ITEMDATA *item, *olditem;
1209 NMCOMBOBOXEXW nmcit;
1210 INT i;
1211
1212 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%x, data=%08lx\n",
1213 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1214
1215 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1216
1217 olditem = infoPtr->items;
1218 i = infoPtr->nb_items - 1;
1219
1220 if (i == dis->itemID) {
1221 infoPtr->items = infoPtr->items->next;
1222 }
1223 else {
1224 item = olditem;
1225 i--;
1226
1227 /* find the prior item in the list */
1228 while (item->next && (i > dis->itemID)) {
1229 item = (CBE_ITEMDATA *)item->next;
1230 i--;
1231 }
1232 if (!item->next || (i != dis->itemID)) {
1233 ERR("COMBOBOXEX item structures broken. Please report!\n");
1234 return FALSE;
1235 }
1236 olditem = item->next;
1237 item->next = (CBE_ITEMDATA *)((CBE_ITEMDATA *)item->next)->next;
1238 }
1239 infoPtr->nb_items--;
1240
1241 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1242 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1243 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1244
1245 COMBOEX_FreeText(olditem);
1246 COMCTL32_Free(olditem);
1247
1248 return TRUE;
1249}
1250
1251
1252static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT *dis)
1253{
1254 WCHAR nil[] = { 0 };
1255 CBE_ITEMDATA *item = 0;
1256 SIZE txtsize;
1257 RECT rect;
1258 LPCWSTR str = nil;
1259 UINT xbase, x, y;
1260 INT len;
1261 COLORREF nbkc, ntxc, bkc, txc;
1262 int drawimage, drawstate, xioff;
1263
1264 if (!IsWindowEnabled(infoPtr->hwndCombo)) return 0;
1265
1266 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1267 dis->CtlType, dis->CtlID);
1268 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1269 dis->itemID, dis->itemAction, dis->itemState);
1270 TRACE("hWnd=0x%04x hDC=0x%04x (%d,%d)-(%d,%d) itemData=0x%08lx\n",
1271 dis->hwndItem, dis->hDC, dis->rcItem.left,
1272 dis->rcItem.top, dis->rcItem.right, dis->rcItem.bottom,
1273 dis->itemData);
1274
1275 /* MSDN says: */
1276 /* "itemID - Specifies the menu item identifier for a menu */
1277 /* item or the index of the item in a list box or combo box. */
1278 /* For an empty list box or combo box, this member can be -1. */
1279 /* This allows the application to draw only the focus */
1280 /* rectangle at the coordinates specified by the rcItem */
1281 /* member even though there are no items in the control. */
1282 /* This indicates to the user whether the list box or combo */
1283 /* box has the focus. How the bits are set in the itemAction */
1284 /* member determines whether the rectangle is to be drawn as */
1285 /* though the list box or combo box has the focus. */
1286 if (dis->itemID == 0xffffffff) {
1287 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1288 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1289
1290 TRACE("drawing item -1 special focus, rect=(%d,%d)-(%d,%d)\n",
1291 dis->rcItem.left, dis->rcItem.top,
1292 dis->rcItem.right, dis->rcItem.bottom);
1293 }
1294 else if ((dis->CtlType == ODT_COMBOBOX) &&
1295 (dis->itemAction == ODA_DRAWENTIRE)) {
1296 /* draw of edit control data */
1297
1298 /* testing */
1299 {
1300 RECT exrc, cbrc, edrc;
1301 GetWindowRect (infoPtr->hwndSelf, &exrc);
1302 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1303 edrc.left=edrc.top=edrc.right=edrc.bottom=-1;
1304 if (infoPtr->hwndEdit)
1305 GetWindowRect (infoPtr->hwndEdit, &edrc);
1306 TRACE("window rects ex=(%d,%d)-(%d,%d), cb=(%d,%d)-(%d,%d), ed=(%d,%d)-(%d,%d)\n",
1307 exrc.left, exrc.top, exrc.right, exrc.bottom,
1308 cbrc.left, cbrc.top, cbrc.right, cbrc.bottom,
1309 edrc.left, edrc.top, edrc.right, edrc.bottom);
1310 }
1311 }
1312 else {
1313 ERR("NOT drawing item -1 special focus, rect=(%d,%d)-(%d,%d), action=%08x, state=%08x\n",
1314 dis->rcItem.left, dis->rcItem.top,
1315 dis->rcItem.right, dis->rcItem.bottom,
1316 dis->itemAction, dis->itemState);
1317 return 0;
1318 }
1319 }
1320
1321 /* If draw item is -1 (edit control) setup the item pointer */
1322 if (dis->itemID == 0xffffffff) {
1323 item = infoPtr->edit;
1324
1325 if (infoPtr->hwndEdit) {
1326 INT len;
1327
1328 /* free previous text of edit item */
1329 COMBOEX_FreeText(item);
1330 item->mask &= ~CBEIF_TEXT;
1331 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1332 item->mask |= CBEIF_TEXT;
1333 item->pszText = (LPWSTR)COMCTL32_Alloc ((len + 1)*sizeof(WCHAR));
1334 if (item->pszText)
1335 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1336
1337 TRACE("edit control hwndEdit=%0x, text len=%d str=%s\n",
1338 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1339 }
1340 }
1341 }
1342
1343
1344 /* if the item pointer is not set, then get the data and locate it */
1345 if (!item) {
1346 item = get_item_data(infoPtr, dis->itemID);
1347 if (item == (CBE_ITEMDATA *)CB_ERR) {
1348 ERR("invalid item for id %d \n", dis->itemID);
1349 return 0;
1350 }
1351 }
1352
1353 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1354
1355 xbase = CBE_STARTOFFSET;
1356 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1357 INT indent = item->iIndent;
1358 if (indent == I_INDENTCALLBACK) {
1359 NMCOMBOBOXEXW nmce;
1360 ZeroMemory(&nmce, sizeof(nmce));
1361 nmce.ceItem.mask = CBEIF_INDENT;
1362 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1363 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1364 item->iIndent = nmce.ceItem.iIndent;
1365 indent = nmce.ceItem.iIndent;
1366 }
1367 xbase += (indent * CBE_INDENT);
1368 }
1369
1370 drawimage = -2;
1371 drawstate = ILD_NORMAL;
1372 if (item->mask & CBEIF_IMAGE)
1373 drawimage = item->iImage;
1374 if (dis->itemState & ODS_COMBOEXLBOX) {
1375 /* drawing listbox entry */
1376 if (dis->itemState & ODS_SELECTED) {
1377 if (item->mask & CBEIF_SELECTEDIMAGE)
1378 drawimage = item->iSelectedImage;
1379 drawstate = ILD_SELECTED;
1380 }
1381 } else {
1382 /* drawing combo/edit entry */
1383 if (IsWindowVisible(infoPtr->hwndEdit)) {
1384 /* if we have an edit control, the slave the
1385 * selection state to the Edit focus state
1386 */
1387 if (infoPtr->flags & WCBE_EDITFOCUSED) {
1388 if (item->mask & CBEIF_SELECTEDIMAGE)
1389 drawimage = item->iSelectedImage;
1390 drawstate = ILD_SELECTED;
1391 }
1392 } else {
1393 /* if we don't have an edit control, use
1394 * the requested state.
1395 */
1396 if (dis->itemState & ODS_SELECTED) {
1397 if (item->mask & CBEIF_SELECTEDIMAGE)
1398 drawimage = item->iSelectedImage;
1399 drawstate = ILD_SELECTED;
1400 }
1401 }
1402 }
1403
1404 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1405 IMAGEINFO iinfo;
1406 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1407 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1408 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1409 } else xioff = 0;
1410
1411 /* setup pointer to text to be drawn */
1412 str = COMBOEX_GetText(infoPtr, item);
1413 if (!str) str = nil;
1414
1415 len = strlenW (str);
1416 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1417
1418 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1419 int overlay = item->iOverlay;
1420
1421 if (drawimage == I_IMAGECALLBACK) {
1422 NMCOMBOBOXEXW nmce;
1423 ZeroMemory(&nmce, sizeof(nmce));
1424 nmce.ceItem.mask = (drawstate == ILD_NORMAL) ? CBEIF_IMAGE : CBEIF_SELECTEDIMAGE;
1425 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1426 if (drawstate == ILD_NORMAL) {
1427 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1428 drawimage = nmce.ceItem.iImage;
1429 } else if (drawstate == ILD_SELECTED) {
1430 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1431 drawimage = nmce.ceItem.iSelectedImage;
1432 } else ERR("Bad draw state = %d\n", drawstate);
1433 }
1434
1435 if (overlay == I_IMAGECALLBACK) {
1436 NMCOMBOBOXEXW nmce;
1437 ZeroMemory(&nmce, sizeof(nmce));
1438 nmce.ceItem.mask = CBEIF_OVERLAY;
1439 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1440 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1441 item->iOverlay = nmce.ceItem.iOverlay;
1442 overlay = nmce.ceItem.iOverlay;
1443 }
1444
1445 if (drawimage >= 0 &&
1446 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1447 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1448 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1449 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1450 }
1451
1452 /* now draw the text */
1453 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1454 nbkc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1455 COLOR_HIGHLIGHT : COLOR_WINDOW);
1456 bkc = SetBkColor (dis->hDC, nbkc);
1457 ntxc = GetSysColor ((dis->itemState & ODS_SELECTED) ?
1458 COLOR_HIGHLIGHTTEXT : COLOR_WINDOWTEXT);
1459 txc = SetTextColor (dis->hDC, ntxc);
1460 x = xbase + xioff;
1461 y = dis->rcItem.top +
1462 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1463 rect.left = x;
1464 rect.right = x + txtsize.cx;
1465 rect.top = dis->rcItem.top + 1;
1466 rect.bottom = dis->rcItem.bottom - 1;
1467 TRACE("drawing item %d text, rect=(%d,%d)-(%d,%d)\n",
1468 dis->itemID, rect.left, rect.top, rect.right, rect.bottom);
1469 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1470 &rect, str, len, 0);
1471 SetBkColor (dis->hDC, bkc);
1472 SetTextColor (dis->hDC, txc);
1473 }
1474 }
1475
1476 if (dis->itemAction & ODA_FOCUS) {
1477 rect.left = xbase + xioff - 1;
1478 rect.right = rect.left + txtsize.cx + 2;
1479 rect.top = dis->rcItem.top;
1480 rect.bottom = dis->rcItem.bottom;
1481 DrawFocusRect(dis->hDC, &rect);
1482 }
1483
1484 return 0;
1485}
1486
1487
1488static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1489{
1490 if (infoPtr->hwndCombo)
1491 DestroyWindow (infoPtr->hwndCombo);
1492
1493 if (infoPtr->edit) {
1494 COMCTL32_Free (infoPtr->edit);
1495 infoPtr->edit = 0;
1496 }
1497
1498 if (infoPtr->items) {
1499 CBE_ITEMDATA *item, *next;
1500
1501 item = infoPtr->items;
1502 while (item) {
1503 next = (CBE_ITEMDATA *)item->next;
1504 COMBOEX_FreeText (item);
1505 COMCTL32_Free (item);
1506 item = next;
1507 }
1508 infoPtr->items = 0;
1509 }
1510
1511 if (infoPtr->defaultFont)
1512 DeleteObject (infoPtr->defaultFont);
1513
1514 /* free comboex info data */
1515 COMCTL32_Free (infoPtr);
1516 SetWindowLongW (infoPtr->hwndSelf, 0, 0);
1517 return 0;
1518}
1519
1520
1521static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO *infoPtr, MEASUREITEMSTRUCT *mis)
1522{
1523 SIZE mysize;
1524 HDC hdc;
1525
1526 hdc = GetDC (0);
1527 GetTextExtentPointA (hdc, "W", 1, &mysize);
1528 ReleaseDC (0, hdc);
1529 mis->itemHeight = mysize.cy + CBE_EXTRA;
1530
1531 TRACE("adjusted height hwnd=%08x, height=%d\n",
1532 infoPtr->hwndSelf, mis->itemHeight);
1533
1534 return 0;
1535}
1536
1537
1538static LRESULT COMBOEX_NCCreate (HWND hwnd)
1539{
1540 /* WARNING: The COMBOEX_INFO structure is not yet created */
1541 DWORD oldstyle, newstyle;
1542
1543 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1544 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL);
1545 if (newstyle != oldstyle) {
1546 TRACE("req style %08lx, reseting style %08lx\n",
1547 oldstyle, newstyle);
1548 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1549 }
1550 return 1;
1551}
1552
1553
1554static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1555{
1556 if (lParam == NF_REQUERY) {
1557 INT i = SendMessageW(GetParent (infoPtr->hwndSelf),
1558 WM_NOTIFYFORMAT, infoPtr->hwndSelf, NF_QUERY);
1559 infoPtr->NtfUnicode = (i == NFR_UNICODE) ? 1 : 0;
1560 }
1561 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1562}
1563
1564
1565static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1566{
1567 TRACE("(width=%d, height=%d)\n", width, height);
1568
1569 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1570
1571 COMBOEX_AdjustEditPos (infoPtr);
1572
1573 return 0;
1574}
1575
1576
1577static LRESULT COMBOEX_WindowPosChanging (COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1578{
1579 RECT cbx_wrect, cbx_crect, cb_wrect;
1580 UINT width, height;
1581
1582 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1583 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1584 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1585
1586 /* width is winpos value + border width of comboex */
1587 width = wp->cx
1588 + (cbx_wrect.right-cbx_wrect.left)
1589 - (cbx_crect.right-cbx_crect.left);
1590
1591 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1592 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1593 TRACE("EX window=(%d,%d)-(%d,%d), client=(%d,%d)-(%d,%d)\n",
1594 cbx_wrect.left, cbx_wrect.top, cbx_wrect.right, cbx_wrect.bottom,
1595 cbx_crect.left, cbx_crect.top, cbx_crect.right, cbx_crect.bottom);
1596 TRACE("CB window=(%d,%d)-(%d,%d), EX setting=(0,0)-(%d,%d)\n",
1597 cb_wrect.left, cb_wrect.top, cb_wrect.right, cb_wrect.bottom,
1598 width, cb_wrect.bottom-cb_wrect.top);
1599
1600 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1601 width,
1602 cb_wrect.bottom-cb_wrect.top,
1603 SWP_NOACTIVATE);
1604
1605 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1606
1607 /* height is combo window height plus border width of comboex */
1608 height = (cb_wrect.bottom-cb_wrect.top)
1609 + (cbx_wrect.bottom-cbx_wrect.top)
1610 - (cbx_crect.bottom-cbx_crect.top);
1611 if (wp->cy < height) wp->cy = height;
1612 if (infoPtr->hwndEdit) {
1613 COMBOEX_AdjustEditPos (infoPtr);
1614 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1615 }
1616
1617 return 0;
1618}
1619
1620
1621static LRESULT WINAPI
1622COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1623{
1624 HWND hwndComboex = (HWND)GetPropA(hwnd, COMBOEX_SUBCLASS_PROP);
1625 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1626 NMCBEENDEDITW cbeend;
1627 WCHAR edit_text[260];
1628 COLORREF obkc;
1629 HDC hDC;
1630 RECT rect;
1631 LRESULT lret;
1632
1633 TRACE("hwnd=%x msg=%x wparam=%x lParam=%lx, info_ptr=%p\n",
1634 hwnd, uMsg, wParam, lParam, infoPtr);
1635
1636 if (!infoPtr) return 0;
1637
1638 switch (uMsg)
1639 {
1640
1641 case WM_CHAR:
1642 /* handle (ignore) the return character */
1643 if (wParam == VK_RETURN) return 0;
1644 /* all other characters pass into the real Edit */
1645 return CallWindowProcW (infoPtr->prevEditWndProc,
1646 hwnd, uMsg, wParam, lParam);
1647
1648 case WM_ERASEBKGND:
1649 /*
1650 * The following was determined by traces of the native
1651 */
1652 hDC = (HDC) wParam;
1653 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1654 GetClientRect (hwnd, &rect);
1655 TRACE("erasing (%d,%d)-(%d,%d)\n",
1656 rect.left, rect.top, rect.right, rect.bottom);
1657 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1658 SetBkColor (hDC, obkc);
1659 return CallWindowProcW (infoPtr->prevEditWndProc,
1660 hwnd, uMsg, wParam, lParam);
1661
1662 case WM_KEYDOWN: {
1663 INT oldItem, selected, step = 1;
1664 CBE_ITEMDATA *item;
1665
1666 switch ((INT)wParam)
1667 {
1668 case VK_ESCAPE:
1669 /* native version seems to do following for COMBOEX */
1670 /*
1671 * GetWindowTextA(Edit,&?, 0x104) x
1672 * CB_GETCURSEL to Combo rets -1 x
1673 * WM_NOTIFY to COMBOEX parent (rebar) x
1674 * (CBEN_ENDEDIT{A|W}
1675 * fChanged = FALSE x
1676 * inewSelection = -1 x
1677 * txt="www.hoho" x
1678 * iWhy = 3 x
1679 * CB_GETCURSEL to Combo rets -1 x
1680 * InvalidateRect(Combo, 0) x
1681 * WM_SETTEXT to Edit x
1682 * EM_SETSEL to Edit (0,0) x
1683 * EM_SETSEL to Edit (0,-1) x
1684 * RedrawWindow(Combo, 0, 0, 5) x
1685 */
1686 TRACE("special code for VK_ESCAPE\n");
1687
1688 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1689
1690 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1691 cbeend.fChanged = FALSE;
1692 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1693 CB_GETCURSEL, 0, 0);
1694 cbeend.iWhy = CBENF_ESCAPE;
1695
1696 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1697 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1698 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1699 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1700 ERR("item %d not found. Problem!\n", oldItem);
1701 break;
1702 }
1703 infoPtr->selected = oldItem;
1704 COMBOEX_SetEditText (infoPtr, item);
1705 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1706 RDW_INVALIDATE);
1707 break;
1708
1709 case VK_RETURN:
1710 /* native version seems to do following for COMBOEX */
1711 /*
1712 * GetWindowTextA(Edit,&?, 0x104) x
1713 * CB_GETCURSEL to Combo rets -1 x
1714 * CB_GETCOUNT to Combo rets 0
1715 * if >0 loop
1716 * CB_GETITEMDATA to match
1717 * *** above 3 lines simulated by FindItem x
1718 * WM_NOTIFY to COMBOEX parent (rebar) x
1719 * (CBEN_ENDEDIT{A|W} x
1720 * fChanged = TRUE (-1) x
1721 * iNewSelection = -1 or selected x
1722 * txt= x
1723 * iWhy = 2 (CBENF_RETURN) x
1724 * CB_GETCURSEL to Combo rets -1 x
1725 * if -1 send CB_SETCURSEL to Combo -1 x
1726 * InvalidateRect(Combo, 0, 0) x
1727 * SetFocus(Edit) x
1728 * CallWindowProc(406615a8, Edit, 0x100, 0xd, 0x1c0001)
1729 */
1730
1731 TRACE("special code for VK_RETURN\n");
1732
1733 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1734
1735 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1736 selected = SendMessageW (infoPtr->hwndCombo,
1737 CB_GETCURSEL, 0, 0);
1738
1739 if (selected != -1) {
1740 item = COMBOEX_FindItem (infoPtr, selected);
1741 TRACE("handling VK_RETURN, selected = %d, selected_text=%s\n",
1742 selected, debugstr_txt(item->pszText));
1743 TRACE("handling VK_RETURN, edittext=%s\n",
1744 debugstr_w(edit_text));
1745 if (lstrcmpiW (COMBOEX_GetText(infoPtr, item), edit_text)) {
1746 /* strings not equal -- indicate edit has changed */
1747 selected = -1;
1748 }
1749 }
1750
1751 cbeend.iNewSelection = selected;
1752 cbeend.fChanged = TRUE;
1753 cbeend.iWhy = CBENF_RETURN;
1754 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1755 /* abort the change, restore previous */
1756 TRACE("Notify requested abort of change\n");
1757 COMBOEX_SetEditText (infoPtr, infoPtr->edit);
1758 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1759 RDW_INVALIDATE);
1760 return 0;
1761 }
1762 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1763 if (oldItem != -1) {
1764 /* if something is selected, then deselect it */
1765 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL,
1766 (WPARAM)-1, 0);
1767 }
1768 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1769 SetFocus(infoPtr->hwndEdit);
1770 break;
1771
1772 case VK_UP:
1773 step = -1;
1774 case VK_DOWN:
1775 /* by default, step is 1 */
1776 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1777 if (oldItem >= 0 && oldItem + step >= 0)
1778 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1779 return 0;
1780 default:
1781 return CallWindowProcW (infoPtr->prevEditWndProc,
1782 hwnd, uMsg, wParam, lParam);
1783 }
1784 return 0;
1785 }
1786
1787 case WM_SETFOCUS:
1788 /* remember the focus to set state of icon */
1789 lret = CallWindowProcW (infoPtr->prevEditWndProc,
1790 hwnd, uMsg, wParam, lParam);
1791 infoPtr->flags |= WCBE_EDITFOCUSED;
1792 return lret;
1793
1794 case WM_KILLFOCUS:
1795 /*
1796 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1797 */
1798 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1799 if (infoPtr->flags & WCBE_ACTEDIT) {
1800 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1801
1802 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1803 cbeend.fChanged = FALSE;
1804 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1805 CB_GETCURSEL, 0, 0);
1806 cbeend.iWhy = CBENF_KILLFOCUS;
1807
1808 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1809 }
1810 /* fall through */
1811
1812 default:
1813 return CallWindowProcW (infoPtr->prevEditWndProc,
1814 hwnd, uMsg, wParam, lParam);
1815 }
1816 return 0;
1817}
1818
1819
1820static LRESULT WINAPI
1821COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1822{
1823 HWND hwndComboex = (HWND)GetPropA(hwnd, COMBOEX_SUBCLASS_PROP);
1824 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwndComboex);
1825 NMCBEENDEDITW cbeend;
1826 NMMOUSE nmmse;
1827 COLORREF obkc;
1828 HDC hDC;
1829 HWND focusedhwnd;
1830 RECT rect;
1831 WCHAR edit_text[260];
1832
1833 TRACE("hwnd=%x msg=%x wparam=%x lParam=%lx, info_ptr=%p\n",
1834 hwnd, uMsg, wParam, lParam, infoPtr);
1835
1836 if (!infoPtr) return 0;
1837
1838 switch (uMsg)
1839 {
1840
1841 case CB_FINDSTRINGEXACT:
1842 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCSTR)lParam);
1843
1844 case WM_DRAWITEM:
1845 /*
1846 * The only way this message should come is from the
1847 * child Listbox issuing the message. Flag this so
1848 * that ComboEx knows this is listbox.
1849 */
1850 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1851 return CallWindowProcW (infoPtr->prevComboWndProc,
1852 hwnd, uMsg, wParam, lParam);
1853
1854 case WM_ERASEBKGND:
1855 /*
1856 * The following was determined by traces of the native
1857 */
1858 hDC = (HDC) wParam;
1859 obkc = SetBkColor (hDC, GetSysColor (COLOR_WINDOW));
1860 GetClientRect (hwnd, &rect);
1861 TRACE("erasing (%d,%d)-(%d,%d)\n",
1862 rect.left, rect.top, rect.right, rect.bottom);
1863 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1864 SetBkColor (hDC, obkc);
1865 return CallWindowProcW (infoPtr->prevComboWndProc,
1866 hwnd, uMsg, wParam, lParam);
1867
1868 case WM_SETCURSOR:
1869 /*
1870 * WM_NOTIFY to comboex parent (rebar)
1871 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1872 * CallWindowProc (previous)
1873 */
1874 nmmse.dwItemSpec = 0;
1875 nmmse.dwItemData = 0;
1876 nmmse.pt.x = 0;
1877 nmmse.pt.y = 0;
1878 nmmse.dwHitInfo = lParam;
1879 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1880 return CallWindowProcW (infoPtr->prevComboWndProc,
1881 hwnd, uMsg, wParam, lParam);
1882
1883 case WM_COMMAND:
1884 switch (HIWORD(wParam)) {
1885
1886 case EN_UPDATE:
1887 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
1888 * on the EN_UPDATE
1889 */
1890 return 0;
1891
1892 case EN_KILLFOCUS:
1893 /*
1894 * Native does:
1895 *
1896 * GetFocus() retns AA
1897 * GetWindowTextA(Edit)
1898 * CB_GETCURSEL(Combo) (got -1)
1899 * WM_NOTIFY(CBEN_ENDEDITA) with CBENF_KILLFOCUS
1900 * CB_GETCURSEL(Combo) (got -1)
1901 * InvalidateRect(Combo, 0, 0)
1902 * WM_KILLFOCUS(Combo, AA)
1903 * return 0;
1904 */
1905 focusedhwnd = GetFocus();
1906 if (infoPtr->flags & WCBE_ACTEDIT) {
1907 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1908 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1909 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1910 CB_GETCURSEL, 0, 0);
1911 cbeend.iWhy = CBENF_KILLFOCUS;
1912
1913 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1914 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1915 }
1916 /* possible CB_GETCURSEL */
1917 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1918 if (focusedhwnd)
1919 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
1920 (WPARAM)focusedhwnd, 0);
1921 return 0;
1922
1923 case EN_SETFOCUS: {
1924 /*
1925 * For EN_SETFOCUS this issues the same calls and messages
1926 * as the native seems to do.
1927 *
1928 * for some cases however native does the following:
1929 * (noticed after SetFocus during LBUTTONDOWN on
1930 * on dropdown arrow)
1931 * WM_GETTEXTLENGTH (Edit);
1932 * WM_GETTEXT (Edit, len+1, str);
1933 * EM_SETSEL (Edit, 0, 0);
1934 * WM_GETTEXTLENGTH (Edit);
1935 * WM_GETTEXT (Edit, len+1, str);
1936 * EM_SETSEL (Edit, 0, len);
1937 * WM_NOTIFY (parent, CBEN_BEGINEDIT)
1938 */
1939 NMHDR hdr;
1940
1941 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
1942 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
1943 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
1944 infoPtr->flags |= WCBE_ACTEDIT;
1945 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
1946 return 0;
1947 }
1948
1949 case EN_CHANGE: {
1950 /*
1951 * For EN_CHANGE this issues the same calls and messages
1952 * as the native seems to do.
1953 */
1954 WCHAR edit_text[260];
1955 LPCWSTR lastwrk;
1956 INT selected;
1957 CBE_ITEMDATA *item;
1958
1959 selected = SendMessageW (infoPtr->hwndCombo,
1960 CB_GETCURSEL, 0, 0);
1961
1962 /* lstrlenA( lastworkingURL ) */
1963
1964 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1965 if (selected == -1) {
1966 lastwrk = infoPtr->edit->pszText;
1967 }
1968 else {
1969 item = COMBOEX_FindItem (infoPtr, selected);
1970 lastwrk = COMBOEX_GetText(infoPtr, item);
1971 }
1972
1973 TRACE("handling EN_CHANGE, selected = %d, selected_text=%s\n",
1974 selected, debugstr_w(lastwrk));
1975 TRACE("handling EN_CHANGE, edittext=%s\n",
1976 debugstr_w(edit_text));
1977
1978 /* lstrcmpiW is between lastworkingURL and GetWindowText */
1979 if (lstrcmpiW (lastwrk, edit_text)) {
1980 /* strings not equal -- indicate edit has changed */
1981 infoPtr->flags |= WCBE_EDITCHG;
1982 }
1983 SendMessageW ( GetParent(infoPtr->hwndSelf), WM_COMMAND,
1984 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
1985 CBN_EDITCHANGE),
1986 infoPtr->hwndSelf);
1987 return 0;
1988 }
1989
1990 case LBN_SELCHANGE:
1991 /*
1992 * Therefore from traces there is no additional code here
1993 */
1994
1995 /*
1996 * Using native COMCTL32 gets the following:
1997 * 1 == SHDOCVW.DLL issues call/message
1998 * 2 == COMCTL32.DLL issues call/message
1999 * 3 == WINE issues call/message
2000 *
2001 *
2002 * for LBN_SELCHANGE:
2003 * 1 CB_GETCURSEL(ComboEx)
2004 * 1 CB_GETDROPPEDSTATE(ComboEx)
2005 * 1 CallWindowProc( *2* for WM_COMMAND(LBN_SELCHANGE)
2006 * 2 CallWindowProc( *3* for WM_COMMAND(LBN_SELCHANGE)
2007 ** call CBRollUp( xxx, TRUE for LBN_SELCHANGE, TRUE)
2008 * 3 WM_COMMAND(ComboEx, CBN_SELENDOK)
2009 * WM_USER+49(ComboLB, 1,0) <=============!!!!!!!!!!!
2010 * 3 ShowWindow(ComboLB, SW_HIDE)
2011 * 3 RedrawWindow(Combo, RDW_UPDATENOW)
2012 * 3 WM_COMMAND(ComboEX, CBN_CLOSEUP)
2013 ** end of CBRollUp
2014 * 3 WM_COMMAND(ComboEx, CBN_SELCHANGE) (echo to parent)
2015 * ? LB_GETCURSEL <==|
2016 * ? LB_GETTEXTLEN |
2017 * ? LB_GETTEXT | Needs to be added to
2018 * ? WM_CTLCOLOREDIT(ComboEx) | Combo processing
2019 * ? LB_GETITEMDATA |
2020 * ? WM_DRAWITEM(ComboEx) <==|
2021 */
2022 default:
2023 break;
2024 }/* fall through */
2025 default:
2026 return CallWindowProcW (infoPtr->prevComboWndProc,
2027 hwnd, uMsg, wParam, lParam);
2028 }
2029 return 0;
2030}
2031
2032
2033static LRESULT WINAPI
2034COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
2035{
2036 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
2037
2038 TRACE("hwnd=%x msg=%x wparam=%x lParam=%lx\n", hwnd, uMsg, wParam, lParam);
2039
2040 if (!infoPtr) {
2041 if (uMsg == WM_CREATE)
2042 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2043 if (uMsg == WM_NCCREATE)
2044 COMBOEX_NCCreate (hwnd);
2045 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2046 }
2047
2048 switch (uMsg)
2049 {
2050 case CBEM_DELETEITEM:
2051 return COMBOEX_DeleteItem (infoPtr, wParam);
2052
2053 case CBEM_GETCOMBOCONTROL:
2054 return infoPtr->hwndCombo;
2055
2056 case CBEM_GETEDITCONTROL:
2057 return infoPtr->hwndEdit;
2058
2059 case CBEM_GETEXTENDEDSTYLE:
2060 return infoPtr->dwExtStyle;
2061
2062 case CBEM_GETIMAGELIST:
2063 return (LRESULT)infoPtr->himl;
2064
2065 case CBEM_GETITEMA:
2066 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2067
2068 case CBEM_GETITEMW:
2069 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2070
2071 case CBEM_GETUNICODEFORMAT:
2072 return infoPtr->unicode;
2073
2074 case CBEM_HASEDITCHANGED:
2075 return COMBOEX_HasEditChanged (infoPtr);
2076
2077 case CBEM_INSERTITEMA:
2078 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2079
2080 case CBEM_INSERTITEMW:
2081 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2082
2083 case CBEM_SETEXSTYLE:
2084 case CBEM_SETEXTENDEDSTYLE:
2085 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2086
2087 case CBEM_SETIMAGELIST:
2088 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2089
2090 case CBEM_SETITEMA:
2091 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2092
2093 case CBEM_SETITEMW:
2094 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2095
2096 case CBEM_SETUNICODEFORMAT:
2097 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2098
2099 /*case CBEM_SETWINDOWTHEME:
2100 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2101
2102/* Combo messages we are not sure if we need to process or just forward */
2103 case CB_GETDROPPEDCONTROLRECT:
2104 case CB_GETITEMHEIGHT:
2105 case CB_GETLBTEXT:
2106 case CB_GETLBTEXTLEN:
2107 case CB_GETEXTENDEDUI:
2108 case CB_LIMITTEXT:
2109 case CB_RESETCONTENT:
2110 case CB_SELECTSTRING:
2111 case WM_SETTEXT:
2112 case WM_GETTEXT:
2113 FIXME("(0x%x 0x%x 0x%lx): possibly missing function\n",
2114 uMsg, wParam, lParam);
2115
2116/* Combo messages OK to just forward to the regular COMBO */
2117 case CB_GETCOUNT:
2118 case CB_GETCURSEL:
2119 case CB_GETDROPPEDSTATE:
2120 case CB_SETDROPPEDWIDTH:
2121 case CB_SETEXTENDEDUI:
2122 case CB_SHOWDROPDOWN:
2123 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2124
2125/* Combo messages we need to process specially */
2126 case CB_FINDSTRINGEXACT:
2127 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCSTR)lParam);
2128
2129 case CB_GETITEMDATA:
2130 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2131
2132 case CB_SETCURSEL:
2133 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2134
2135 case CB_SETITEMDATA:
2136 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD)lParam);
2137
2138 case CB_SETITEMHEIGHT:
2139 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2140
2141
2142
2143/* Window messages passed to parent */
2144 case WM_COMMAND:
2145 return COMBOEX_Command (infoPtr, wParam, lParam);
2146
2147 case WM_NOTIFY:
2148 if (infoPtr->NtfUnicode)
2149 return SendMessageW (GetParent (hwnd), uMsg, wParam, lParam);
2150 else
2151 return SendMessageA (GetParent (hwnd), uMsg, wParam, lParam);
2152
2153
2154/* Window messages we need to process */
2155 case WM_DELETEITEM:
2156 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2157
2158 case WM_DRAWITEM:
2159 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2160
2161 case WM_DESTROY:
2162 return COMBOEX_Destroy (infoPtr);
2163
2164 case WM_MEASUREITEM:
2165 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2166
2167 case WM_NOTIFYFORMAT:
2168 return COMBOEX_NotifyFormat (infoPtr, lParam);
2169
2170 case WM_SIZE:
2171 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2172
2173 case WM_WINDOWPOSCHANGING:
2174 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2175
2176 default:
2177 if (uMsg >= WM_USER)
2178 ERR("unknown msg %04x wp=%08x lp=%08lx\n",uMsg,wParam,lParam);
2179 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2180 }
2181 return 0;
2182}
2183
2184
2185void COMBOEX_Register (void)
2186{
2187 WNDCLASSW wndClass;
2188
2189 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2190 wndClass.style = CS_GLOBALCLASS;
2191 wndClass.lpfnWndProc = (WNDPROC)COMBOEX_WindowProc;
2192 wndClass.cbClsExtra = 0;
2193 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2194 wndClass.hCursor = LoadCursorW (0, IDC_ARROWW);
2195 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2196 wndClass.lpszClassName = WC_COMBOBOXEXW;
2197
2198 RegisterClassW (&wndClass);
2199}
2200
2201
2202void COMBOEX_Unregister (void)
2203{
2204 UnregisterClassW (WC_COMBOBOXEXW, (HINSTANCE)NULL);
2205}
2206
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