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* Sync up to trunk HEAD (r62975).
[reactos.git] / dll / win32 / comctl32 / comboex.c
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 * NOTE
23 *
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.
26 *
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.
30 *
31 */
32
33 #include "comctl32.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(comboex);
36
37 /* Item structure */
38 typedef struct _CBE_ITEMDATA
39 {
40 struct _CBE_ITEMDATA *next;
41 UINT mask;
42 LPWSTR pszText;
43 LPWSTR pszTemp;
44 int cchTextMax;
45 int iImage;
46 int iSelectedImage;
47 int iOverlay;
48 int iIndent;
49 LPARAM lParam;
50 } CBE_ITEMDATA;
51
52 /* ComboBoxEx structure */
53 typedef struct
54 {
55 HIMAGELIST himl;
56 HWND hwndSelf; /* my own hwnd */
57 HWND hwndNotify; /* my parent hwnd */
58 HWND hwndCombo;
59 HWND hwndEdit;
60 DWORD dwExtStyle;
61 INT selected; /* index of selected item */
62 DWORD flags; /* WINE internal flags */
63 HFONT defaultFont;
64 HFONT font;
65 INT nb_items; /* Number of items */
66 BOOL unicode; /* TRUE if this window is Unicode */
67 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
68 CBE_ITEMDATA edit; /* item data for edit item */
69 CBE_ITEMDATA *items; /* Array of items */
70 } COMBOEX_INFO;
71
72 /* internal flags in the COMBOEX_INFO structure */
73 #define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
74 * CBEN_BEGINEDIT issued
75 * but CBEN_ENDEDIT{A|W}
76 * not yet issued. */
77 #define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
78 #define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
79 #define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
80 #define WCBE_MOUSECAPTURED 0x00000008 /* Combo has captured mouse */
81 #define WCBE_MOUSEDRAGGED 0x00000010 /* User has dragged in combo */
82
83 #define ID_CB_EDIT 1001
84
85
86 /*
87 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
88 * the ComboEx version of the Combo Window Proc so that when the
89 * WM_DRAWITEM message is then passed to ComboEx, we know that this
90 * particular WM_DRAWITEM message is for listbox only items. Any message
91 * without this flag is then for the Edit control field.
92 *
93 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
94 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
95 */
96 #define ODS_COMBOEXLBOX 0x4000
97
98
99
100 /* Height in pixels of control over the amount of the selected font */
101 #define CBE_EXTRA 3
102
103 /* Indent amount per MS documentation */
104 #define CBE_INDENT 10
105
106 /* Offset in pixels from left side for start of image or text */
107 #define CBE_STARTOFFSET 6
108
109 /* Offset between image and text */
110 #define CBE_SEP 4
111
112 #define COMBO_SUBCLASSID 1
113 #define EDIT_SUBCLASSID 2
114
115 #define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongPtrW (hwnd, 0))
116
117 static LRESULT CALLBACK COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
118 UINT_PTR uId, DWORD_PTR ref_data);
119 static LRESULT CALLBACK COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
120 UINT_PTR uId, DWORD_PTR ref_data);
121 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
122 typedef INT (WINAPI *cmp_func_t)(LPCWSTR, LPCWSTR);
123
124 static inline BOOL is_textW(LPCWSTR str)
125 {
126 return str && str != LPSTR_TEXTCALLBACKW;
127 }
128
129 static inline BOOL is_textA(LPCSTR str)
130 {
131 return str && str != LPSTR_TEXTCALLBACKA;
132 }
133
134 static inline LPCSTR debugstr_txt(LPCWSTR str)
135 {
136 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
137 return debugstr_w(str);
138 }
139
140 static void COMBOEX_DumpItem (CBE_ITEMDATA const *item)
141 {
142 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
143 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
144 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
145 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
146 if (item->mask & CBEIF_TEXT)
147 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
148 }
149
150
151 static void COMBOEX_DumpInput (COMBOBOXEXITEMW const *input)
152 {
153 TRACE("input - mask=%08x, iItem=%ld, pszText=%p, cchTM=%d, iImage=%d\n",
154 input->mask, input->iItem, input->pszText, input->cchTextMax,
155 input->iImage);
156 if (input->mask & CBEIF_TEXT)
157 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
158 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%08lx\n",
159 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
160 }
161
162
163 static inline CBE_ITEMDATA *get_item_data(const COMBOEX_INFO *infoPtr, INT index)
164 {
165 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
166 index, 0);
167 }
168
169 static inline cmp_func_t get_cmp_func(COMBOEX_INFO const *infoPtr)
170 {
171 return infoPtr->dwExtStyle & CBES_EX_CASESENSITIVE ? lstrcmpW : lstrcmpiW;
172 }
173
174 static INT COMBOEX_Notify (const COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
175 {
176 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
177 hdr->hwndFrom = infoPtr->hwndSelf;
178 hdr->code = code;
179 if (infoPtr->NtfUnicode)
180 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
181 else
182 return SendMessageA (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
183 }
184
185
186 static INT
187 COMBOEX_NotifyItem (const COMBOEX_INFO *infoPtr, UINT code, NMCOMBOBOXEXW *hdr)
188 {
189 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
190 if (infoPtr->NtfUnicode)
191 return COMBOEX_Notify (infoPtr, code, &hdr->hdr);
192 else {
193 LPWSTR wstr = hdr->ceItem.pszText;
194 LPSTR astr = 0;
195 INT ret, len = 0;
196
197 if ((hdr->ceItem.mask & CBEIF_TEXT) && is_textW(wstr)) {
198 len = WideCharToMultiByte (CP_ACP, 0, wstr, -1, 0, 0, NULL, NULL);
199 if (len > 0) {
200 astr = Alloc ((len + 1)*sizeof(CHAR));
201 if (!astr) return 0;
202 WideCharToMultiByte (CP_ACP, 0, wstr, -1, astr, len, 0, 0);
203 hdr->ceItem.pszText = (LPWSTR)astr;
204 }
205 }
206
207 if (code == CBEN_ENDEDITW) code = CBEN_ENDEDITA;
208 else if (code == CBEN_GETDISPINFOW) code = CBEN_GETDISPINFOA;
209 else if (code == CBEN_DRAGBEGINW) code = CBEN_DRAGBEGINA;
210
211 ret = COMBOEX_Notify (infoPtr, code, (NMHDR *)hdr);
212
213 if (astr && hdr->ceItem.pszText == (LPWSTR)astr)
214 hdr->ceItem.pszText = wstr;
215
216 Free(astr);
217
218 return ret;
219 }
220 }
221
222
223 static INT COMBOEX_NotifyEndEdit (const COMBOEX_INFO *infoPtr, NMCBEENDEDITW *neew, LPCWSTR wstr)
224 {
225 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
226 if (infoPtr->NtfUnicode) {
227 lstrcpynW(neew->szText, wstr, CBEMAXSTRLEN);
228 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITW, &neew->hdr);
229 } else {
230 NMCBEENDEDITA neea;
231
232 neea.hdr = neew->hdr;
233 neea.fChanged = neew->fChanged;
234 neea.iNewSelection = neew->iNewSelection;
235 WideCharToMultiByte (CP_ACP, 0, wstr, -1, neea.szText, CBEMAXSTRLEN, 0, 0);
236 neea.iWhy = neew->iWhy;
237
238 return COMBOEX_Notify (infoPtr, CBEN_ENDEDITA, &neea.hdr);
239 }
240 }
241
242
243 static void COMBOEX_NotifyDragBegin(const COMBOEX_INFO *infoPtr, LPCWSTR wstr)
244 {
245 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
246 if (infoPtr->NtfUnicode) {
247 NMCBEDRAGBEGINW ndbw;
248
249 ndbw.iItemid = -1;
250 lstrcpynW(ndbw.szText, wstr, CBEMAXSTRLEN);
251 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINW, &ndbw.hdr);
252 } else {
253 NMCBEDRAGBEGINA ndba;
254
255 ndba.iItemid = -1;
256 WideCharToMultiByte (CP_ACP, 0, wstr, -1, ndba.szText, CBEMAXSTRLEN, 0, 0);
257
258 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINA, &ndba.hdr);
259 }
260 }
261
262
263 static void COMBOEX_FreeText (CBE_ITEMDATA *item)
264 {
265 if (is_textW(item->pszText)) Free(item->pszText);
266 item->pszText = NULL;
267 Free(item->pszTemp);
268 item->pszTemp = NULL;
269 }
270
271
272 static INT COMBOEX_GetIndex(COMBOEX_INFO const *infoPtr, CBE_ITEMDATA const *item)
273 {
274 CBE_ITEMDATA const *moving;
275 INT index;
276
277 moving = infoPtr->items;
278 index = infoPtr->nb_items - 1;
279
280 while (moving && (moving != item)) {
281 moving = moving->next;
282 index--;
283 }
284 if (!moving || (index < 0)) {
285 ERR("COMBOBOXEX item structures broken. Please report!\n");
286 return -1;
287 }
288 return index;
289 }
290
291
292 static LPCWSTR COMBOEX_GetText(const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
293 {
294 NMCOMBOBOXEXW nmce;
295 LPWSTR text, buf;
296 INT len;
297
298 if (item->pszText != LPSTR_TEXTCALLBACKW)
299 return item->pszText;
300
301 ZeroMemory(&nmce, sizeof(nmce));
302 nmce.ceItem.mask = CBEIF_TEXT;
303 nmce.ceItem.lParam = item->lParam;
304 nmce.ceItem.iItem = COMBOEX_GetIndex(infoPtr, item);
305 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
306
307 if (is_textW(nmce.ceItem.pszText)) {
308 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
309 buf = Alloc ((len + 1)*sizeof(WCHAR));
310 if (buf)
311 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
312 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
313 COMBOEX_FreeText(item);
314 item->pszText = buf;
315 } else {
316 Free(item->pszTemp);
317 item->pszTemp = buf;
318 }
319 text = buf;
320 } else
321 text = nmce.ceItem.pszText;
322
323 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
324 item->pszText = text;
325 return text;
326 }
327
328
329 static void COMBOEX_GetComboFontSize (const COMBOEX_INFO *infoPtr, SIZE *size)
330 {
331 static const WCHAR strA[] = { 'A', 0 };
332 HFONT nfont, ofont;
333 HDC mydc;
334
335 mydc = GetDC (0); /* why the entire screen???? */
336 nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
337 ofont = SelectObject (mydc, nfont);
338 GetTextExtentPointW (mydc, strA, 1, size);
339 SelectObject (mydc, ofont);
340 ReleaseDC (0, mydc);
341 TRACE("selected font hwnd=%p, height=%d\n", nfont, size->cy);
342 }
343
344
345 static void COMBOEX_CopyItem (const CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
346 {
347 if (cit->mask & CBEIF_TEXT) {
348 /*
349 * when given a text buffer actually use that buffer
350 */
351 if (cit->pszText) {
352 if (is_textW(item->pszText))
353 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
354 else
355 cit->pszText[0] = 0;
356 } else {
357 cit->pszText = item->pszText;
358 cit->cchTextMax = item->cchTextMax;
359 }
360 }
361 if (cit->mask & CBEIF_IMAGE)
362 cit->iImage = item->iImage;
363 if (cit->mask & CBEIF_SELECTEDIMAGE)
364 cit->iSelectedImage = item->iSelectedImage;
365 if (cit->mask & CBEIF_OVERLAY)
366 cit->iOverlay = item->iOverlay;
367 if (cit->mask & CBEIF_INDENT)
368 cit->iIndent = item->iIndent;
369 if (cit->mask & CBEIF_LPARAM)
370 cit->lParam = item->lParam;
371 }
372
373
374 static void COMBOEX_AdjustEditPos (const COMBOEX_INFO *infoPtr)
375 {
376 SIZE mysize;
377 INT x, y, w, h, xioff;
378 RECT rect;
379
380 if (!infoPtr->hwndEdit) return;
381
382 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
383 IMAGEINFO iinfo;
384 iinfo.rcImage.left = iinfo.rcImage.right = 0;
385 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
386 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
387 } else xioff = 0;
388
389 GetClientRect (infoPtr->hwndCombo, &rect);
390 InflateRect (&rect, -2, -2);
391 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
392
393 /* reposition the Edit control based on whether icon exists */
394 COMBOEX_GetComboFontSize (infoPtr, &mysize);
395 TRACE("Combo font x=%d, y=%d\n", mysize.cx, mysize.cy);
396 x = xioff + CBE_STARTOFFSET + 1;
397 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
398 h = mysize.cy + 1;
399 y = rect.bottom - h - 1;
400
401 TRACE("Combo client (%s), setting Edit to (%d,%d)-(%d,%d)\n",
402 wine_dbgstr_rect(&rect), x, y, x + w, y + h);
403 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
404 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
405 }
406
407
408 static void COMBOEX_ReSize (const COMBOEX_INFO *infoPtr)
409 {
410 SIZE mysize;
411 LONG cy;
412 IMAGEINFO iinfo;
413
414 COMBOEX_GetComboFontSize (infoPtr, &mysize);
415 cy = mysize.cy + CBE_EXTRA;
416 if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
417 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
418 TRACE("upgraded height due to image: height=%d\n", cy);
419 }
420 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, -1, cy);
421 if (infoPtr->hwndCombo) {
422 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT, 0, cy);
423 if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
424 RECT comboRect, ourRect;
425 GetWindowRect(infoPtr->hwndCombo, &comboRect);
426 GetWindowRect(infoPtr->hwndSelf, &ourRect);
427 if (comboRect.bottom > ourRect.bottom)
428 SetWindowPos( infoPtr->hwndSelf, 0, 0, 0, ourRect.right - ourRect.left,
429 comboRect.bottom - comboRect.top,
430 SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
431 }
432 }
433 }
434
435
436 static void COMBOEX_SetEditText (const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
437 {
438 if (!infoPtr->hwndEdit) return;
439
440 if (item->mask & CBEIF_TEXT) {
441 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
442 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
443 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
444 }
445 }
446
447
448 static CBE_ITEMDATA *COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT_PTR index)
449 {
450 CBE_ITEMDATA *item;
451 INT i;
452
453 if ((index >= infoPtr->nb_items) || (index < -1))
454 return NULL;
455 if (index == -1)
456 return &infoPtr->edit;
457 item = infoPtr->items;
458 i = infoPtr->nb_items - 1;
459
460 /* find the item in the list */
461 while (item && (i > index)) {
462 item = item->next;
463 i--;
464 }
465 if (!item || (i != index)) {
466 ERR("COMBOBOXEX item structures broken. Please report!\n");
467 return 0;
468 }
469 return item;
470 }
471
472 /* *** CBEM_xxx message support *** */
473
474 static UINT COMBOEX_GetListboxText(COMBOEX_INFO *infoPtr, INT_PTR n, LPWSTR buf)
475 {
476 CBE_ITEMDATA *item;
477 LPCWSTR str;
478
479 item = COMBOEX_FindItem(infoPtr, n);
480 if (!item)
481 return 0;
482
483 str = COMBOEX_GetText(infoPtr, item);
484 if (!str)
485 {
486 if (buf)
487 {
488 if (infoPtr->unicode)
489 buf[0] = 0;
490 else
491 *((LPSTR)buf) = 0;
492 }
493 return 0;
494 }
495
496 if (infoPtr->unicode)
497 {
498 if (buf)
499 lstrcpyW(buf, str);
500 return lstrlenW(str);
501 }
502 else
503 {
504 UINT r;
505 r = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buf, 0x40000000, NULL, NULL);
506 if (r) r--;
507 return r;
508 }
509 }
510
511
512 static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT_PTR index)
513 {
514 TRACE("(index=%ld)\n", index);
515
516 /* if item number requested does not exist then return failure */
517 if ((index >= infoPtr->nb_items) || (index < 0)) return CB_ERR;
518 if (!COMBOEX_FindItem(infoPtr, index)) return CB_ERR;
519
520 /* doing this will result in WM_DELETEITEM being issued */
521 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, index, 0);
522
523 return infoPtr->nb_items;
524 }
525
526
527 static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
528 {
529 INT_PTR index = cit->iItem;
530 CBE_ITEMDATA *item;
531
532 TRACE("\n");
533
534 /* if item number requested does not exist then return failure */
535 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
536
537 /* if the item is the edit control and there is no edit control, skip */
538 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
539
540 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
541
542 COMBOEX_CopyItem (item, cit);
543
544 return TRUE;
545 }
546
547
548 static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
549 {
550 COMBOBOXEXITEMW tmpcit;
551
552 TRACE("\n");
553
554 tmpcit.mask = cit->mask;
555 tmpcit.iItem = cit->iItem;
556 tmpcit.pszText = 0;
557 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
558
559 if (cit->mask & CBEIF_TEXT)
560 {
561 if (is_textW(tmpcit.pszText) && cit->pszText)
562 WideCharToMultiByte(CP_ACP, 0, tmpcit.pszText, -1,
563 cit->pszText, cit->cchTextMax, NULL, NULL);
564 else if (cit->pszText) cit->pszText[0] = 0;
565 else cit->pszText = (LPSTR)tmpcit.pszText;
566 }
567
568 if (cit->mask & CBEIF_IMAGE)
569 cit->iImage = tmpcit.iImage;
570 if (cit->mask & CBEIF_SELECTEDIMAGE)
571 cit->iSelectedImage = tmpcit.iSelectedImage;
572 if (cit->mask & CBEIF_OVERLAY)
573 cit->iOverlay = tmpcit.iOverlay;
574 if (cit->mask & CBEIF_INDENT)
575 cit->iIndent = tmpcit.iIndent;
576 if (cit->mask & CBEIF_LPARAM)
577 cit->lParam = tmpcit.lParam;
578
579 return TRUE;
580 }
581
582
583 static inline BOOL COMBOEX_HasEditChanged (COMBOEX_INFO const *infoPtr)
584 {
585 return infoPtr->hwndEdit && (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
586 }
587
588
589 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW const *cit)
590 {
591 INT_PTR index;
592 CBE_ITEMDATA *item;
593 NMCOMBOBOXEXW nmcit;
594
595 TRACE("\n");
596
597 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
598
599 /* get real index of item to insert */
600 index = cit->iItem;
601 if (index == -1) index = infoPtr->nb_items;
602 if (index > infoPtr->nb_items) return -1;
603
604 /* get zero-filled space and chain it in */
605 if(!(item = Alloc (sizeof(*item)))) return -1;
606
607 /* locate position to insert new item in */
608 if (index == infoPtr->nb_items) {
609 /* fast path for iItem = -1 */
610 item->next = infoPtr->items;
611 infoPtr->items = item;
612 }
613 else {
614 INT i = infoPtr->nb_items-1;
615 CBE_ITEMDATA *moving = infoPtr->items;
616
617 while ((i > index) && moving) {
618 moving = moving->next;
619 i--;
620 }
621 if (!moving) {
622 ERR("COMBOBOXEX item structures broken. Please report!\n");
623 Free(item);
624 return -1;
625 }
626 item->next = moving->next;
627 moving->next = item;
628 }
629
630 /* fill in our hidden item structure */
631 item->mask = cit->mask;
632 if (item->mask & CBEIF_TEXT) {
633 INT len = 0;
634
635 if (is_textW(cit->pszText)) len = strlenW (cit->pszText);
636 if (len > 0) {
637 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
638 if (!item->pszText) {
639 Free(item);
640 return -1;
641 }
642 strcpyW (item->pszText, cit->pszText);
643 }
644 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
645 item->pszText = LPSTR_TEXTCALLBACKW;
646 item->cchTextMax = cit->cchTextMax;
647 }
648 if (item->mask & CBEIF_IMAGE)
649 item->iImage = cit->iImage;
650 if (item->mask & CBEIF_SELECTEDIMAGE)
651 item->iSelectedImage = cit->iSelectedImage;
652 if (item->mask & CBEIF_OVERLAY)
653 item->iOverlay = cit->iOverlay;
654 if (item->mask & CBEIF_INDENT)
655 item->iIndent = cit->iIndent;
656 if (item->mask & CBEIF_LPARAM)
657 item->lParam = cit->lParam;
658 infoPtr->nb_items++;
659
660 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
661
662 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING, cit->iItem, (LPARAM)item);
663
664 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
665 nmcit.ceItem.mask=~0;
666 COMBOEX_CopyItem (item, &nmcit.ceItem);
667 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
668
669 return index;
670
671 }
672
673
674 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
675 {
676 COMBOBOXEXITEMW citW;
677 LPWSTR wstr = NULL;
678 INT ret;
679
680 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
681 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
682 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
683 wstr = Alloc ((len + 1)*sizeof(WCHAR));
684 if (!wstr) return -1;
685 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
686 citW.pszText = wstr;
687 }
688 ret = COMBOEX_InsertItemW(infoPtr, &citW);
689
690 Free(wstr);
691
692 return ret;
693 }
694
695
696 static DWORD
697 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
698 {
699 DWORD dwTemp;
700
701 TRACE("(mask=x%08x, style=0x%08x)\n", mask, style);
702
703 dwTemp = infoPtr->dwExtStyle;
704
705 if (mask)
706 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
707 else
708 infoPtr->dwExtStyle = style;
709
710 /* see if we need to change the word break proc on the edit */
711 if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC)
712 SetPathWordBreakProc(infoPtr->hwndEdit,
713 (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) != 0);
714
715 /* test if the control's appearance has changed */
716 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
717 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
718 /* if state of EX_NOEDITIMAGE changes, invalidate all */
719 TRACE("EX_NOEDITIMAGE state changed to %d\n",
720 infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
721 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
722 COMBOEX_AdjustEditPos (infoPtr);
723 if (infoPtr->hwndEdit)
724 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
725 }
726
727 return dwTemp;
728 }
729
730
731 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
732 {
733 HIMAGELIST himlTemp = infoPtr->himl;
734
735 TRACE("\n");
736
737 infoPtr->himl = himl;
738
739 COMBOEX_ReSize (infoPtr);
740 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
741
742 /* reposition the Edit control based on whether icon exists */
743 COMBOEX_AdjustEditPos (infoPtr);
744 return himlTemp;
745 }
746
747 static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, const COMBOBOXEXITEMW *cit)
748 {
749 INT_PTR index = cit->iItem;
750 CBE_ITEMDATA *item;
751
752 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
753
754 /* if item number requested does not exist then return failure */
755 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
756
757 /* if the item is the edit control and there is no edit control, skip */
758 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
759
760 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
761
762 /* add/change stuff to the internal item structure */
763 item->mask |= cit->mask;
764 if (cit->mask & CBEIF_TEXT) {
765 INT len = 0;
766
767 COMBOEX_FreeText(item);
768 if (is_textW(cit->pszText)) len = strlenW(cit->pszText);
769 if (len > 0) {
770 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
771 if (!item->pszText) return FALSE;
772 strcpyW(item->pszText, cit->pszText);
773 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
774 item->pszText = LPSTR_TEXTCALLBACKW;
775 item->cchTextMax = cit->cchTextMax;
776 }
777 if (cit->mask & CBEIF_IMAGE)
778 item->iImage = cit->iImage;
779 if (cit->mask & CBEIF_SELECTEDIMAGE)
780 item->iSelectedImage = cit->iSelectedImage;
781 if (cit->mask & CBEIF_OVERLAY)
782 item->iOverlay = cit->iOverlay;
783 if (cit->mask & CBEIF_INDENT)
784 item->iIndent = cit->iIndent;
785 if (cit->mask & CBEIF_LPARAM)
786 item->lParam = cit->lParam;
787
788 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
789
790 /* if original request was to update edit control, do some fast foot work */
791 if (cit->iItem == -1 && cit->mask & CBEIF_TEXT) {
792 COMBOEX_SetEditText (infoPtr, item);
793 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
794 }
795 return TRUE;
796 }
797
798 static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
799 {
800 COMBOBOXEXITEMW citW;
801 LPWSTR wstr = NULL;
802 BOOL ret;
803
804 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
805 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
806 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
807 wstr = Alloc ((len + 1)*sizeof(WCHAR));
808 if (!wstr) return FALSE;
809 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
810 citW.pszText = wstr;
811 }
812 ret = COMBOEX_SetItemW(infoPtr, &citW);
813
814 Free(wstr);
815
816 return ret;
817 }
818
819
820 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
821 {
822 BOOL bTemp = infoPtr->unicode;
823
824 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
825
826 infoPtr->unicode = value;
827
828 return bTemp;
829 }
830
831
832 /* *** CB_xxx message support *** */
833
834 static INT
835 COMBOEX_FindStringExact (const COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
836 {
837 INT i;
838 cmp_func_t cmptext = get_cmp_func(infoPtr);
839 INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
840
841 /* now search from after starting loc and wrapping back to start */
842 for(i=start+1; i<count; i++) {
843 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
844 if ((LRESULT)item == CB_ERR) continue;
845 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
846 }
847 for(i=0; i<=start; i++) {
848 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
849 if ((LRESULT)item == CB_ERR) continue;
850 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
851 }
852 return CB_ERR;
853 }
854
855
856 static DWORD_PTR COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT_PTR index)
857 {
858 CBE_ITEMDATA const *item1;
859 CBE_ITEMDATA const *item2;
860 DWORD_PTR ret = 0;
861
862 item1 = get_item_data(infoPtr, index);
863 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
864 item2 = COMBOEX_FindItem (infoPtr, index);
865 if (item2 != item1) {
866 ERR("data structures damaged!\n");
867 return CB_ERR;
868 }
869 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
870 TRACE("returning 0x%08lx\n", ret);
871 } else {
872 ret = (DWORD_PTR)item1;
873 TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
874 }
875 return ret;
876 }
877
878
879 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT_PTR index)
880 {
881 CBE_ITEMDATA *item;
882 INT sel;
883
884 if (!(item = COMBOEX_FindItem(infoPtr, index)))
885 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
886
887 TRACE("selecting item %ld text=%s\n", index, debugstr_txt(item->pszText));
888 infoPtr->selected = index;
889
890 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
891 COMBOEX_SetEditText (infoPtr, item);
892 return sel;
893 }
894
895
896 static DWORD_PTR COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT_PTR index, DWORD_PTR data)
897 {
898 CBE_ITEMDATA *item1;
899 CBE_ITEMDATA const *item2;
900
901 item1 = get_item_data(infoPtr, index);
902 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
903 item2 = COMBOEX_FindItem (infoPtr, index);
904 if (item2 != item1) {
905 ERR("data structures damaged!\n");
906 return CB_ERR;
907 }
908 item1->mask |= CBEIF_LPARAM;
909 item1->lParam = data;
910 TRACE("setting lparam to 0x%08lx\n", data);
911 return 0;
912 }
913 TRACE("non-valid result from combo %p\n", item1);
914 return (DWORD_PTR)item1;
915 }
916
917
918 static INT COMBOEX_SetItemHeight (COMBOEX_INFO const *infoPtr, INT index, UINT height)
919 {
920 RECT cb_wrect, cbx_wrect, cbx_crect;
921
922 /* First, lets forward the message to the normal combo control
923 just like Windows. */
924 if (infoPtr->hwndCombo)
925 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
926 index, height) == CB_ERR) return CB_ERR;
927
928 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
929 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
930 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
931 /* the height of comboex as height of the combo + comboex border */
932 height = cb_wrect.bottom-cb_wrect.top
933 + cbx_wrect.bottom-cbx_wrect.top
934 - (cbx_crect.bottom-cbx_crect.top);
935 TRACE("EX window=(%s), client=(%s)\n",
936 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
937 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
938 wine_dbgstr_rect(&cbx_wrect), cbx_wrect.right-cbx_wrect.left, height);
939 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
940 cbx_wrect.right-cbx_wrect.left, height,
941 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
942
943 return 0;
944 }
945
946
947 /* *** WM_xxx message support *** */
948
949
950 static LRESULT COMBOEX_Create (HWND hwnd, CREATESTRUCTA const *cs)
951 {
952 static const WCHAR NIL[] = { 0 };
953 COMBOEX_INFO *infoPtr;
954 LOGFONTW mylogfont;
955 RECT win_rect;
956 INT i;
957
958 /* allocate memory for info structure */
959 infoPtr = Alloc (sizeof(COMBOEX_INFO));
960 if (!infoPtr) return -1;
961
962 /* initialize info structure */
963 /* note that infoPtr is allocated zero-filled */
964
965 infoPtr->hwndSelf = hwnd;
966 infoPtr->selected = -1;
967
968 infoPtr->unicode = IsWindowUnicode (hwnd);
969 infoPtr->hwndNotify = cs->hwndParent;
970
971 i = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
972 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
973 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
974 i = NFR_ANSI;
975 }
976 infoPtr->NtfUnicode = (i == NFR_UNICODE);
977
978 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
979
980 if (TRACE_ON(comboex)) {
981 RECT client, rect;
982 GetWindowRect(hwnd, &rect);
983 GetClientRect(hwnd, &client);
984 TRACE("EX window=(%s), client=(%s)\n",
985 wine_dbgstr_rect(&rect), wine_dbgstr_rect(&client));
986 }
987
988 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
989 /* specified. It then creates its own version of the EDIT control */
990 /* and makes the ComboBox the parent. This is because a normal */
991 /* DROPDOWNLIST does not have an EDIT control, but we need one. */
992 /* We also need to place the edit control at the proper location */
993 /* (allow space for the icons). */
994
995 infoPtr->hwndCombo = CreateWindowW (WC_COMBOBOXW, NIL,
996 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
997 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
998 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
999 GetWindowLongW (hwnd, GWL_STYLE),
1000 cs->y, cs->x, cs->cx, cs->cy, hwnd,
1001 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1002 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1003
1004 SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID,
1005 (DWORD_PTR)hwnd);
1006 infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1007
1008 /*
1009 * Now create our own EDIT control so we can position it.
1010 * It is created only for CBS_DROPDOWN style
1011 */
1012 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
1013 infoPtr->hwndEdit = CreateWindowExW (0, WC_EDITW, NIL,
1014 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
1015 0, 0, 0, 0, /* will set later */
1016 infoPtr->hwndCombo,
1017 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1018 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1019
1020 SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID,
1021 (DWORD_PTR)hwnd);
1022
1023 infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1024 }
1025
1026 /*
1027 * Locate the default font if necessary and then set it in
1028 * all associated controls
1029 */
1030 if (!infoPtr->font) {
1031 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1032 &mylogfont, 0);
1033 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1034 }
1035 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1036 if (infoPtr->hwndEdit) {
1037 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1038 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, EC_USEFONTINFO, 0);
1039 }
1040
1041 COMBOEX_ReSize (infoPtr);
1042
1043 /* Above is fairly certain, below is much less certain. */
1044
1045 GetWindowRect(hwnd, &win_rect);
1046
1047 if (TRACE_ON(comboex)) {
1048 RECT client, rect;
1049 GetClientRect(hwnd, &client);
1050 GetWindowRect(infoPtr->hwndCombo, &rect);
1051 TRACE("EX window=(%s) client=(%s) CB wnd=(%s)\n",
1052 wine_dbgstr_rect(&win_rect), wine_dbgstr_rect(&client),
1053 wine_dbgstr_rect(&rect));
1054 }
1055 SetWindowPos(infoPtr->hwndCombo, HWND_TOP, 0, 0,
1056 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1057 SWP_NOACTIVATE | SWP_NOREDRAW);
1058
1059 GetWindowRect(infoPtr->hwndCombo, &win_rect);
1060 TRACE("CB window=(%s)\n", wine_dbgstr_rect(&win_rect));
1061 SetWindowPos(hwnd, HWND_TOP, 0, 0,
1062 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1063 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1064
1065 COMBOEX_AdjustEditPos (infoPtr);
1066
1067 return 0;
1068 }
1069
1070
1071 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam)
1072 {
1073 LRESULT lret;
1074 INT command = HIWORD(wParam);
1075 CBE_ITEMDATA *item = 0;
1076 WCHAR wintext[520];
1077 INT cursel, n;
1078 INT_PTR oldItem;
1079 NMCBEENDEDITW cbeend;
1080 DWORD oldflags;
1081 HWND parent = infoPtr->hwndNotify;
1082
1083 TRACE("for command %d\n", command);
1084
1085 switch (command)
1086 {
1087 case CBN_DROPDOWN:
1088 SetFocus (infoPtr->hwndCombo);
1089 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1090 infoPtr->flags |= WCBE_ACTEDIT;
1091 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1092 case CBN_CLOSEUP:
1093 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1094 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1095 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1096 if (infoPtr->hwndEdit) InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1097 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1098 if (cursel == -1) {
1099 cmp_func_t cmptext = get_cmp_func(infoPtr);
1100 /* find match from edit against those in Combobox */
1101 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1102 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1103 for (cursel = 0; cursel < n; cursel++){
1104 item = get_item_data(infoPtr, cursel);
1105 if ((INT_PTR)item == CB_ERR) break;
1106 if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1107 }
1108 if ((cursel == n) || ((INT_PTR)item == CB_ERR)) {
1109 TRACE("failed to find match??? item=%p cursel=%d\n",
1110 item, cursel);
1111 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1112 return 0;
1113 }
1114 }
1115 else {
1116 item = get_item_data(infoPtr, cursel);
1117 if ((INT_PTR)item == CB_ERR) {
1118 TRACE("failed to find match??? item=%p cursel=%d\n",
1119 item, cursel);
1120 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1121 return 0;
1122 }
1123 }
1124
1125 /* Save flags for testing and reset them */
1126 oldflags = infoPtr->flags;
1127 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1128
1129 if (oldflags & WCBE_ACTEDIT) {
1130 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1131 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1132 CB_GETCURSEL, 0, 0);
1133 cbeend.iWhy = CBENF_DROPDOWN;
1134
1135 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1136 }
1137
1138 /* if selection has changed the set the new current selection */
1139 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1140 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1141 infoPtr->selected = cursel;
1142 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1143 SetFocus(infoPtr->hwndCombo);
1144 }
1145 return 0;
1146
1147 case CBN_SELCHANGE:
1148 /*
1149 * CB_GETCURSEL(Combo)
1150 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1151 * lstrlenA
1152 * WM_SETTEXT(Edit)
1153 * WM_GETTEXTLENGTH(Edit)
1154 * WM_GETTEXT(Edit)
1155 * EM_SETSEL(Edit, 0,0)
1156 * WM_GETTEXTLENGTH(Edit)
1157 * WM_GETTEXT(Edit)
1158 * EM_SETSEL(Edit, 0,len)
1159 * return WM_COMMAND to parent
1160 */
1161 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1162 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1163 ERR("item %ld not found. Problem!\n", oldItem);
1164 break;
1165 }
1166 infoPtr->selected = oldItem;
1167 COMBOEX_SetEditText (infoPtr, item);
1168 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1169
1170 case CBN_SELENDOK:
1171 case CBN_SELENDCANCEL:
1172 /*
1173 * We have to change the handle since we are the control
1174 * issuing the message. IE4 depends on this.
1175 */
1176 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1177
1178 case CBN_KILLFOCUS:
1179 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1180 if (infoPtr->flags & WCBE_ACTEDIT) {
1181 GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1182 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1183 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1184 CB_GETCURSEL, 0, 0);
1185 cbeend.iWhy = CBENF_KILLFOCUS;
1186
1187 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1188 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1189 }
1190 /* possible CB_GETCURSEL */
1191 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1192 return 0;
1193
1194 case CBN_SETFOCUS:
1195 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1196
1197 default:
1198 /*
1199 * We have to change the handle since we are the control
1200 * issuing the message. IE4 depends on this.
1201 * We also need to set the focus back to the Edit control
1202 * after passing the command to the parent of the ComboEx.
1203 */
1204 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1205 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1206 return lret;
1207 }
1208 return 0;
1209 }
1210
1211
1212 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1213 {
1214 CBE_ITEMDATA *item, *olditem;
1215 NMCOMBOBOXEXW nmcit;
1216 UINT i;
1217
1218 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1219 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1220
1221 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1222
1223 olditem = infoPtr->items;
1224 i = infoPtr->nb_items - 1;
1225
1226 if (i == dis->itemID) {
1227 infoPtr->items = infoPtr->items->next;
1228 }
1229 else {
1230 item = olditem;
1231 i--;
1232
1233 /* find the prior item in the list */
1234 while (item->next && (i > dis->itemID)) {
1235 item = item->next;
1236 i--;
1237 }
1238 if (!item->next || (i != dis->itemID)) {
1239 ERR("COMBOBOXEX item structures broken. Please report!\n");
1240 return FALSE;
1241 }
1242 olditem = item->next;
1243 item->next = item->next->next;
1244 }
1245 infoPtr->nb_items--;
1246
1247 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1248 nmcit.ceItem.mask=~0;
1249 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1250 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1251
1252 COMBOEX_FreeText(olditem);
1253 Free(olditem);
1254
1255 return TRUE;
1256 }
1257
1258
1259 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1260 {
1261 static const WCHAR nil[] = { 0 };
1262 CBE_ITEMDATA *item = NULL;
1263 SIZE txtsize;
1264 RECT rect;
1265 LPCWSTR str = nil;
1266 UINT xbase, x, y;
1267 INT len;
1268 COLORREF nbkc, ntxc, bkc, txc;
1269 int drawimage, drawstate, xioff, selected;
1270
1271 TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1272 dis->CtlType, dis->CtlID);
1273 TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1274 dis->itemID, dis->itemAction, dis->itemState);
1275 TRACE("hWnd=%p hDC=%p (%s) itemData=0x%08lx\n",
1276 dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1277
1278 /* MSDN says: */
1279 /* "itemID - Specifies the menu item identifier for a menu */
1280 /* item or the index of the item in a list box or combo box. */
1281 /* For an empty list box or combo box, this member can be -1. */
1282 /* This allows the application to draw only the focus */
1283 /* rectangle at the coordinates specified by the rcItem */
1284 /* member even though there are no items in the control. */
1285 /* This indicates to the user whether the list box or combo */
1286 /* box has the focus. How the bits are set in the itemAction */
1287 /* member determines whether the rectangle is to be drawn as */
1288 /* though the list box or combo box has the focus. */
1289 if (dis->itemID == 0xffffffff) {
1290 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1291 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1292
1293 TRACE("drawing item -1 special focus, rect=(%s)\n",
1294 wine_dbgstr_rect(&dis->rcItem));
1295 }
1296 else if ((dis->CtlType == ODT_COMBOBOX) &&
1297 (dis->itemAction == ODA_DRAWENTIRE)) {
1298 /* draw of edit control data */
1299
1300 if (TRACE_ON(comboex)) {
1301 RECT exrc, cbrc, edrc;
1302 GetWindowRect (infoPtr->hwndSelf, &exrc);
1303 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1304 edrc.left = edrc.top = edrc.right = edrc.bottom = -1;
1305 if (infoPtr->hwndEdit) GetWindowRect (infoPtr->hwndEdit, &edrc);
1306 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1307 wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1308 wine_dbgstr_rect(&edrc));
1309 }
1310 }
1311 else {
1312 ERR("NOT drawing item -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1313 wine_dbgstr_rect(&dis->rcItem),
1314 dis->itemAction, dis->itemState);
1315 return 0;
1316 }
1317 }
1318
1319 /* If draw item is -1 (edit control) setup the item pointer */
1320 if (dis->itemID == 0xffffffff) {
1321 item = &infoPtr->edit;
1322
1323 if (infoPtr->hwndEdit) {
1324 /* free previous text of edit item */
1325 COMBOEX_FreeText(item);
1326 item->mask &= ~CBEIF_TEXT;
1327 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1328 item->mask |= CBEIF_TEXT;
1329 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
1330 if (item->pszText)
1331 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1332
1333 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1334 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1335 }
1336 }
1337 }
1338
1339
1340 /* if the item pointer is not set, then get the data and locate it */
1341 if (!item) {
1342 item = get_item_data(infoPtr, dis->itemID);
1343 if (item == (CBE_ITEMDATA *)CB_ERR) {
1344 ERR("invalid item for id %d\n", dis->itemID);
1345 return 0;
1346 }
1347 }
1348
1349 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1350
1351 xbase = CBE_STARTOFFSET;
1352 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1353 INT indent = item->iIndent;
1354 if (indent == I_INDENTCALLBACK) {
1355 NMCOMBOBOXEXW nmce;
1356 ZeroMemory(&nmce, sizeof(nmce));
1357 nmce.ceItem.mask = CBEIF_INDENT;
1358 nmce.ceItem.lParam = item->lParam;
1359 nmce.ceItem.iItem = dis->itemID;
1360 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1361 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1362 item->iIndent = nmce.ceItem.iIndent;
1363 indent = nmce.ceItem.iIndent;
1364 }
1365 xbase += (indent * CBE_INDENT);
1366 }
1367
1368 drawimage = -2;
1369 drawstate = ILD_NORMAL;
1370 selected = infoPtr->selected == dis->itemID;
1371
1372 if (item->mask & CBEIF_IMAGE)
1373 drawimage = item->iImage;
1374 if (item->mask & CBEIF_SELECTEDIMAGE && selected)
1375 drawimage = item->iSelectedImage;
1376 if (dis->itemState & ODS_COMBOEXLBOX) {
1377 /* drawing listbox entry */
1378 if (dis->itemState & ODS_SELECTED)
1379 drawstate = ILD_SELECTED;
1380 } else {
1381 /* drawing combo/edit entry */
1382 if (IsWindowVisible(infoPtr->hwndEdit)) {
1383 /* if we have an edit control, the slave the
1384 * selection state to the Edit focus state
1385 */
1386 if (infoPtr->flags & WCBE_EDITFOCUSED)
1387 drawstate = ILD_SELECTED;
1388 } else
1389 /* if we don't have an edit control, use
1390 * the requested state.
1391 */
1392 if (dis->itemState & ODS_SELECTED)
1393 drawstate = ILD_SELECTED;
1394 }
1395
1396 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1397 IMAGEINFO iinfo;
1398 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1399 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1400 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1401 } else xioff = 0;
1402
1403 /* setup pointer to text to be drawn */
1404 str = COMBOEX_GetText(infoPtr, item);
1405 if (!str) str = nil;
1406
1407 len = strlenW (str);
1408 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1409
1410 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1411 int overlay = item->iOverlay;
1412
1413 if (drawimage == I_IMAGECALLBACK) {
1414 NMCOMBOBOXEXW nmce;
1415 ZeroMemory(&nmce, sizeof(nmce));
1416 nmce.ceItem.mask = selected ? CBEIF_SELECTEDIMAGE : CBEIF_IMAGE;
1417 nmce.ceItem.lParam = item->lParam;
1418 nmce.ceItem.iItem = dis->itemID;
1419 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1420 if (!selected) {
1421 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1422 drawimage = nmce.ceItem.iImage;
1423 } else {
1424 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1425 drawimage = nmce.ceItem.iSelectedImage;
1426 }
1427 }
1428
1429 if (overlay == I_IMAGECALLBACK) {
1430 NMCOMBOBOXEXW nmce;
1431 ZeroMemory(&nmce, sizeof(nmce));
1432 nmce.ceItem.mask = CBEIF_OVERLAY;
1433 nmce.ceItem.lParam = item->lParam;
1434 nmce.ceItem.iItem = dis->itemID;
1435 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1436 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1437 item->iOverlay = nmce.ceItem.iOverlay;
1438 overlay = nmce.ceItem.iOverlay;
1439 }
1440
1441 if (drawimage >= 0 &&
1442 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1443 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1444 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1445 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1446 }
1447
1448 /* now draw the text */
1449 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1450 nbkc = (dis->itemState & ODS_SELECTED) ?
1451 comctl32_color.clrHighlight : comctl32_color.clrWindow;
1452 bkc = SetBkColor (dis->hDC, nbkc);
1453 ntxc = (dis->itemState & ODS_SELECTED) ?
1454 comctl32_color.clrHighlightText : comctl32_color.clrWindowText;
1455 txc = SetTextColor (dis->hDC, ntxc);
1456 x = xbase + xioff;
1457 y = dis->rcItem.top +
1458 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1459 rect.left = x;
1460 rect.right = x + txtsize.cx;
1461 rect.top = dis->rcItem.top + 1;
1462 rect.bottom = dis->rcItem.bottom - 1;
1463 TRACE("drawing item %d text, rect=(%s)\n",
1464 dis->itemID, wine_dbgstr_rect(&rect));
1465 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1466 &rect, str, len, 0);
1467 SetBkColor (dis->hDC, bkc);
1468 SetTextColor (dis->hDC, txc);
1469 }
1470 }
1471
1472 if (dis->itemAction & ODA_FOCUS) {
1473 rect.left = xbase + xioff - 1;
1474 rect.right = rect.left + txtsize.cx + 2;
1475 rect.top = dis->rcItem.top;
1476 rect.bottom = dis->rcItem.bottom;
1477 DrawFocusRect(dis->hDC, &rect);
1478 }
1479
1480 return 0;
1481 }
1482
1483
1484 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1485 {
1486 if (infoPtr->items)
1487 {
1488 CBE_ITEMDATA *item, *next;
1489
1490 item = infoPtr->items;
1491 while (item) {
1492 next = item->next;
1493 COMBOEX_FreeText (item);
1494 Free (item);
1495 item = next;
1496 }
1497 infoPtr->items = 0;
1498 }
1499
1500 infoPtr->selected = -1;
1501 infoPtr->nb_items = 0;
1502 }
1503
1504
1505 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1506 {
1507 if (infoPtr->hwndCombo)
1508 RemoveWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
1509
1510 if (infoPtr->hwndEdit)
1511 RemoveWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
1512
1513 COMBOEX_FreeText (&infoPtr->edit);
1514 COMBOEX_ResetContent (infoPtr);
1515
1516 if (infoPtr->defaultFont)
1517 DeleteObject (infoPtr->defaultFont);
1518
1519 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1520
1521 /* free comboex info data */
1522 Free (infoPtr);
1523
1524 return 0;
1525 }
1526
1527
1528 static LRESULT COMBOEX_Enable (COMBOEX_INFO *infoPtr, BOOL enable)
1529 {
1530 TRACE("hwnd=%p, enable=%s\n", infoPtr->hwndSelf, enable ? "TRUE":"FALSE");
1531
1532 if (infoPtr->hwndEdit)
1533 EnableWindow(infoPtr->hwndEdit, enable);
1534
1535 EnableWindow(infoPtr->hwndCombo, enable);
1536
1537 /* Force the control to repaint when the enabled state changes. */
1538 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1539
1540 return 1;
1541 }
1542
1543
1544 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO const *infoPtr, MEASUREITEMSTRUCT *mis)
1545 {
1546 static const WCHAR strW[] = { 'W', 0 };
1547 SIZE mysize;
1548 HDC hdc;
1549
1550 hdc = GetDC (0);
1551 GetTextExtentPointW (hdc, strW, 1, &mysize);
1552 ReleaseDC (0, hdc);
1553 mis->itemHeight = mysize.cy + CBE_EXTRA;
1554
1555 TRACE("adjusted height hwnd=%p, height=%d\n",
1556 infoPtr->hwndSelf, mis->itemHeight);
1557
1558 return 0;
1559 }
1560
1561
1562 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1563 {
1564 /* WARNING: The COMBOEX_INFO structure is not yet created */
1565 DWORD oldstyle, newstyle;
1566
1567 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1568 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL | WS_BORDER);
1569 if (newstyle != oldstyle) {
1570 TRACE("req style %08x, resetting style %08x\n",
1571 oldstyle, newstyle);
1572 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1573 }
1574 return 1;
1575 }
1576
1577
1578 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1579 {
1580 if (lParam == NF_REQUERY) {
1581 INT i = SendMessageW(infoPtr->hwndNotify,
1582 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1583 infoPtr->NtfUnicode = (i == NFR_UNICODE);
1584 }
1585 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1586 }
1587
1588
1589 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1590 {
1591 TRACE("(width=%d, height=%d)\n", width, height);
1592
1593 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1594
1595 COMBOEX_AdjustEditPos (infoPtr);
1596
1597 return 0;
1598 }
1599
1600 static LRESULT COMBOEX_SetFont( COMBOEX_INFO *infoPtr, HFONT font, BOOL redraw )
1601 {
1602 infoPtr->font = font;
1603 SendMessageW( infoPtr->hwndCombo, WM_SETFONT, (WPARAM)font, 0 );
1604 if (infoPtr->hwndEdit) SendMessageW( infoPtr->hwndEdit, WM_SETFONT, (WPARAM)font, 0 );
1605 COMBOEX_ReSize( infoPtr );
1606 if (redraw) InvalidateRect( infoPtr->hwndCombo, NULL, TRUE );
1607 return 0;
1608 }
1609
1610 static LRESULT COMBOEX_SetRedraw(const COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1611 {
1612 LRESULT ret = DefWindowProcW( infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam );
1613 if (wParam) RedrawWindow( infoPtr->hwndSelf, NULL, 0, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN );
1614 return ret;
1615 }
1616
1617
1618 static LRESULT COMBOEX_WindowPosChanging (const COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1619 {
1620 RECT cbx_wrect, cbx_crect, cb_wrect;
1621 INT width, height;
1622
1623 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1624 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1625 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1626
1627 /* width is winpos value + border width of comboex */
1628 width = wp->cx
1629 + (cbx_wrect.right-cbx_wrect.left)
1630 - (cbx_crect.right-cbx_crect.left);
1631
1632 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1633 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1634 TRACE("EX window=(%s), client=(%s)\n",
1635 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1636 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
1637 wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1638
1639 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1640 width,
1641 cb_wrect.bottom-cb_wrect.top,
1642 SWP_NOACTIVATE);
1643
1644 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1645
1646 /* height is combo window height plus border width of comboex */
1647 height = (cb_wrect.bottom-cb_wrect.top)
1648 + (cbx_wrect.bottom-cbx_wrect.top)
1649 - (cbx_crect.bottom-cbx_crect.top);
1650 wp->cy = height;
1651 if (infoPtr->hwndEdit) {
1652 COMBOEX_AdjustEditPos (infoPtr);
1653 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1654 }
1655
1656 return 0;
1657 }
1658
1659 static LRESULT CALLBACK
1660 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1661 UINT_PTR uId, DWORD_PTR ref_data)
1662 {
1663 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1664 NMCBEENDEDITW cbeend;
1665 WCHAR edit_text[260];
1666 COLORREF obkc;
1667 HDC hDC;
1668 RECT rect;
1669 LRESULT lret;
1670
1671 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1672 hwnd, uMsg, wParam, lParam, infoPtr);
1673
1674 if (!infoPtr) return 0;
1675
1676 switch (uMsg)
1677 {
1678
1679 case WM_CHAR:
1680 /* handle (ignore) the return character */
1681 if (wParam == VK_RETURN) return 0;
1682 /* all other characters pass into the real Edit */
1683 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1684
1685 case WM_ERASEBKGND:
1686 hDC = (HDC) wParam;
1687 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1688 GetClientRect (hwnd, &rect);
1689 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1690 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1691 SetBkColor (hDC, obkc);
1692 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1693
1694 case WM_KEYDOWN: {
1695 INT_PTR oldItem, selected;
1696 CBE_ITEMDATA *item;
1697
1698 switch ((INT)wParam)
1699 {
1700 case VK_ESCAPE:
1701 TRACE("special code for VK_ESCAPE\n");
1702
1703 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1704
1705 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1706 cbeend.fChanged = FALSE;
1707 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1708 CB_GETCURSEL, 0, 0);
1709 cbeend.iWhy = CBENF_ESCAPE;
1710
1711 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1712 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1713 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1714 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1715 ERR("item %ld not found. Problem!\n", oldItem);
1716 break;
1717 }
1718 infoPtr->selected = oldItem;
1719 COMBOEX_SetEditText (infoPtr, item);
1720 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1721 RDW_INVALIDATE);
1722 break;
1723
1724 case VK_RETURN:
1725 TRACE("special code for VK_RETURN\n");
1726
1727 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1728
1729 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1730 selected = SendMessageW (infoPtr->hwndCombo,
1731 CB_GETCURSEL, 0, 0);
1732
1733 if (selected != -1) {
1734 cmp_func_t cmptext = get_cmp_func(infoPtr);
1735 item = COMBOEX_FindItem (infoPtr, selected);
1736 TRACE("handling VK_RETURN, selected = %ld, selected_text=%s\n",
1737 selected, debugstr_txt(item->pszText));
1738 TRACE("handling VK_RETURN, edittext=%s\n",
1739 debugstr_w(edit_text));
1740 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1741 /* strings not equal -- indicate edit has changed */
1742 selected = -1;
1743 }
1744 }
1745
1746 cbeend.iNewSelection = selected;
1747 cbeend.fChanged = TRUE;
1748 cbeend.iWhy = CBENF_RETURN;
1749 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1750 /* abort the change, restore previous */
1751 TRACE("Notify requested abort of change\n");
1752 COMBOEX_SetEditText (infoPtr, &infoPtr->edit);
1753 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1754 RDW_INVALIDATE);
1755 return 0;
1756 }
1757 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1758 if (oldItem != -1) {
1759 /* if something is selected, then deselect it */
1760 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, -1, 0);
1761 }
1762 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1763 SetFocus(infoPtr->hwndEdit);
1764 break;
1765
1766 case VK_UP:
1767 case VK_DOWN:
1768 {
1769 INT step = wParam == VK_DOWN ? 1 : -1;
1770
1771 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1772 if (oldItem >= 0 && oldItem + step >= 0)
1773 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1774 return 0;
1775 }
1776 default:
1777 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1778 }
1779 return 0;
1780 }
1781
1782 case WM_SETFOCUS:
1783 /* remember the focus to set state of icon */
1784 lret = DefSubclassProc(hwnd, uMsg, wParam, lParam);
1785 infoPtr->flags |= WCBE_EDITFOCUSED;
1786 return lret;
1787
1788 case WM_KILLFOCUS:
1789 /*
1790 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1791 */
1792 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1793 if (infoPtr->flags & WCBE_ACTEDIT) {
1794 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1795
1796 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1797 cbeend.fChanged = FALSE;
1798 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1799 CB_GETCURSEL, 0, 0);
1800 cbeend.iWhy = CBENF_KILLFOCUS;
1801
1802 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1803 }
1804 /* fall through */
1805
1806 default:
1807 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1808 }
1809 }
1810
1811
1812 static LRESULT CALLBACK
1813 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1814 UINT_PTR uId, DWORD_PTR ref_data)
1815 {
1816 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1817 NMCBEENDEDITW cbeend;
1818 NMMOUSE nmmse;
1819 COLORREF obkc;
1820 HDC hDC;
1821 HWND focusedhwnd;
1822 RECT rect;
1823 POINT pt;
1824 WCHAR edit_text[260];
1825
1826 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1827 hwnd, uMsg, wParam, lParam, infoPtr);
1828
1829 if (!infoPtr) return 0;
1830
1831 switch (uMsg)
1832 {
1833
1834 case WM_DRAWITEM:
1835 /*
1836 * The only way this message should come is from the
1837 * child Listbox issuing the message. Flag this so
1838 * that ComboEx knows this is listbox.
1839 */
1840 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1841 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1842
1843 case WM_ERASEBKGND:
1844 hDC = (HDC) wParam;
1845 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1846 GetClientRect (hwnd, &rect);
1847 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1848 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1849 SetBkColor (hDC, obkc);
1850 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1851
1852 case WM_SETCURSOR:
1853 /*
1854 * WM_NOTIFY to comboex parent (rebar)
1855 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1856 * CallWindowProc (previous)
1857 */
1858 nmmse.dwItemSpec = 0;
1859 nmmse.dwItemData = 0;
1860 nmmse.pt.x = 0;
1861 nmmse.pt.y = 0;
1862 nmmse.dwHitInfo = lParam;
1863 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1864 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1865
1866 case WM_LBUTTONDOWN:
1867 GetClientRect (hwnd, &rect);
1868 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1869 CB_GETITEMHEIGHT, -1, 0);
1870 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1871 pt.x = (short)LOWORD(lParam);
1872 pt.y = (short)HIWORD(lParam);
1873 if (PtInRect(&rect, pt))
1874 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1875
1876 infoPtr->flags |= WCBE_MOUSECAPTURED;
1877 SetCapture(hwnd);
1878 break;
1879
1880 case WM_LBUTTONUP:
1881 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1882 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1883
1884 ReleaseCapture();
1885 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1886 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1887 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1888 } else {
1889 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1890 }
1891 break;
1892
1893 case WM_MOUSEMOVE:
1894 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
1895 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
1896 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1897 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
1898 infoPtr->flags |= WCBE_MOUSEDRAGGED;
1899 }
1900 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1901
1902 case WM_COMMAND:
1903 switch (HIWORD(wParam)) {
1904
1905 case EN_UPDATE:
1906 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
1907 * on the EN_UPDATE
1908 */
1909 return 0;
1910
1911 case EN_KILLFOCUS:
1912 focusedhwnd = GetFocus();
1913 if (infoPtr->flags & WCBE_ACTEDIT) {
1914 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1915 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1916 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1917 CB_GETCURSEL, 0, 0);
1918 cbeend.iWhy = CBENF_KILLFOCUS;
1919
1920 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1921 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1922 }
1923 /* possible CB_GETCURSEL */
1924 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1925 if (focusedhwnd)
1926 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
1927 (WPARAM)focusedhwnd, 0);
1928 return 0;
1929
1930 case EN_SETFOCUS: {
1931 NMHDR hdr;
1932
1933 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
1934 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
1935 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
1936 infoPtr->flags |= WCBE_ACTEDIT;
1937 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
1938 return 0;
1939 }
1940
1941 case EN_CHANGE: {
1942 LPCWSTR lastwrk;
1943 cmp_func_t cmptext = get_cmp_func(infoPtr);
1944
1945 INT_PTR selected = SendMessageW (infoPtr->hwndCombo,
1946 CB_GETCURSEL, 0, 0);
1947
1948 /* lstrlenW( lastworkingURL ) */
1949
1950 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1951 if (selected == -1) {
1952 lastwrk = infoPtr->edit.pszText;
1953 }
1954 else {
1955 CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
1956 lastwrk = COMBOEX_GetText(infoPtr, item);
1957 }
1958
1959 TRACE("handling EN_CHANGE, selected = %ld, selected_text=%s\n",
1960 selected, debugstr_w(lastwrk));
1961 TRACE("handling EN_CHANGE, edittext=%s\n",
1962 debugstr_w(edit_text));
1963
1964 /* cmptext is between lastworkingURL and GetWindowText */
1965 if (cmptext (lastwrk, edit_text)) {
1966 /* strings not equal -- indicate edit has changed */
1967 infoPtr->flags |= WCBE_EDITCHG;
1968 }
1969 SendMessageW ( infoPtr->hwndNotify, WM_COMMAND,
1970 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
1971 CBN_EDITCHANGE),
1972 (LPARAM)infoPtr->hwndSelf);
1973 return 0;
1974 }
1975
1976 case LBN_SELCHANGE:
1977 default:
1978 break;
1979 }/* fall through */
1980 default:
1981 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1982 }
1983 return 0;
1984 }
1985
1986
1987 static LRESULT WINAPI
1988 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1989 {
1990 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
1991
1992 TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, uMsg, wParam, lParam);
1993
1994 if (!infoPtr) {
1995 if (uMsg == WM_CREATE)
1996 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
1997 if (uMsg == WM_NCCREATE)
1998 COMBOEX_NCCreate (hwnd);
1999 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2000 }
2001
2002 switch (uMsg)
2003 {
2004 case CBEM_DELETEITEM:
2005 return COMBOEX_DeleteItem (infoPtr, wParam);
2006
2007 case CBEM_GETCOMBOCONTROL:
2008 return (LRESULT)infoPtr->hwndCombo;
2009
2010 case CBEM_GETEDITCONTROL:
2011 return (LRESULT)infoPtr->hwndEdit;
2012
2013 case CBEM_GETEXTENDEDSTYLE:
2014 return infoPtr->dwExtStyle;
2015
2016 case CBEM_GETIMAGELIST:
2017 return (LRESULT)infoPtr->himl;
2018
2019 case CBEM_GETITEMA:
2020 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2021
2022 case CBEM_GETITEMW:
2023 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2024
2025 case CBEM_GETUNICODEFORMAT:
2026 return infoPtr->unicode;
2027
2028 case CBEM_HASEDITCHANGED:
2029 return COMBOEX_HasEditChanged (infoPtr);
2030
2031 case CBEM_INSERTITEMA:
2032 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2033
2034 case CBEM_INSERTITEMW:
2035 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2036
2037 case CBEM_SETEXSTYLE:
2038 case CBEM_SETEXTENDEDSTYLE:
2039 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2040
2041 case CBEM_SETIMAGELIST:
2042 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2043
2044 case CBEM_SETITEMA:
2045 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2046
2047 case CBEM_SETITEMW:
2048 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2049
2050 case CBEM_SETUNICODEFORMAT:
2051 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2052
2053 /*case CBEM_SETWINDOWTHEME:
2054 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2055
2056 case WM_SETTEXT:
2057 case WM_GETTEXT:
2058 case WM_GETTEXTLENGTH:
2059 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2060
2061 case CB_GETLBTEXT:
2062 return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2063
2064 case CB_GETLBTEXTLEN:
2065 return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2066
2067 case CB_RESETCONTENT:
2068 COMBOEX_ResetContent(infoPtr);
2069 /* fall through */
2070
2071 /* Combo messages we are not sure if we need to process or just forward */
2072 case CB_GETDROPPEDCONTROLRECT:
2073 case CB_GETITEMHEIGHT:
2074 case CB_GETEXTENDEDUI:
2075 case CB_LIMITTEXT:
2076 case CB_SELECTSTRING:
2077
2078 /* Combo messages OK to just forward to the regular COMBO */
2079 case CB_GETCOUNT:
2080 case CB_GETCURSEL:
2081 case CB_GETDROPPEDSTATE:
2082 case CB_SETDROPPEDWIDTH:
2083 case CB_SETEXTENDEDUI:
2084 case CB_SHOWDROPDOWN:
2085 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2086
2087 /* Combo messages we need to process specially */
2088 case CB_FINDSTRINGEXACT:
2089 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2090
2091 case CB_GETITEMDATA:
2092 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2093
2094 case CB_SETCURSEL:
2095 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2096
2097 case CB_SETITEMDATA:
2098 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2099
2100 case CB_SETITEMHEIGHT:
2101 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2102
2103
2104
2105 /* Window messages passed to parent */
2106 case WM_COMMAND:
2107 return COMBOEX_Command (infoPtr, wParam);
2108
2109 case WM_NOTIFY:
2110 if (infoPtr->NtfUnicode)
2111 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2112 else
2113 return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2114
2115
2116 /* Window messages we need to process */
2117 case WM_DELETEITEM:
2118 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2119
2120 case WM_DRAWITEM:
2121 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2122
2123 case WM_DESTROY:
2124 return COMBOEX_Destroy (infoPtr);
2125
2126 case WM_ENABLE:
2127 return COMBOEX_Enable (infoPtr, (BOOL)wParam);
2128
2129 case WM_MEASUREITEM:
2130 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2131
2132 case WM_NOTIFYFORMAT:
2133 return COMBOEX_NotifyFormat (infoPtr, lParam);
2134
2135 case WM_SIZE:
2136 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2137
2138 case WM_GETFONT:
2139 return (LRESULT)infoPtr->font;
2140
2141 case WM_SETFONT:
2142 return COMBOEX_SetFont( infoPtr, (HFONT)wParam, LOWORD(lParam) != 0 );
2143
2144 case WM_SETREDRAW:
2145 return COMBOEX_SetRedraw(infoPtr, wParam, lParam);
2146
2147 case WM_WINDOWPOSCHANGING:
2148 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2149
2150 case WM_SETFOCUS:
2151 if (infoPtr->hwndEdit) SetFocus( infoPtr->hwndEdit );
2152 else SetFocus( infoPtr->hwndCombo );
2153 return 0;
2154
2155 case WM_SYSCOLORCHANGE:
2156 COMCTL32_RefreshSysColors();
2157 return 0;
2158
2159 default:
2160 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2161 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",uMsg,wParam,lParam);
2162 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2163 }
2164 }
2165
2166
2167 void COMBOEX_Register (void)
2168 {
2169 WNDCLASSW wndClass;
2170
2171 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2172 wndClass.style = CS_GLOBALCLASS;
2173 wndClass.lpfnWndProc = COMBOEX_WindowProc;
2174 wndClass.cbClsExtra = 0;
2175 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2176 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2177 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2178 wndClass.lpszClassName = WC_COMBOBOXEXW;
2179
2180 RegisterClassW (&wndClass);
2181 }
2182
2183
2184 void COMBOEX_Unregister (void)
2185 {
2186 UnregisterClassW (WC_COMBOBOXEXW, NULL);
2187 }
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