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d3d11: Remove null dxgi object checks.
[wine.git] / dlls / comctl32 / comboex.c
blob5dc6b8d4ca04ad90af91c1a10d4677b4dad50050
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
23 #include <stdarg.h>
24 #include <string.h>
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winuser.h"
29 #include "winnls.h"
30 #include "commctrl.h"
31 #include "comctl32.h"
32 #include "wine/debug.h"
33
34 WINE_DEFAULT_DEBUG_CHANNEL(comboex);
35
36 /* Item structure */
37 typedef struct _CBE_ITEMDATA
38 {
39 struct _CBE_ITEMDATA *next;
40 UINT mask;
41 LPWSTR pszText;
42 LPWSTR pszTemp;
43 int cchTextMax;
44 int iImage;
45 int iSelectedImage;
46 int iOverlay;
47 int iIndent;
48 LPARAM lParam;
49 } CBE_ITEMDATA;
50
51 /* ComboBoxEx structure */
52 typedef struct
53 {
54 HIMAGELIST himl;
55 HWND hwndSelf; /* my own hwnd */
56 HWND hwndNotify; /* my parent hwnd */
57 HWND hwndCombo;
58 HWND hwndEdit;
59 DWORD dwExtStyle;
60 INT selected; /* index of selected item */
61 DWORD flags; /* WINE internal flags */
62 HFONT defaultFont;
63 HFONT font;
64 INT nb_items; /* Number of items */
65 BOOL unicode; /* TRUE if this window is Unicode */
66 BOOL NtfUnicode; /* TRUE if parent wants notify in Unicode */
67 CBE_ITEMDATA edit; /* item data for edit item */
68 CBE_ITEMDATA *items; /* Array of items */
69 } COMBOEX_INFO;
70
71 /* internal flags in the COMBOEX_INFO structure */
72 #define WCBE_ACTEDIT 0x00000001 /* Edit active i.e.
73 * CBEN_BEGINEDIT issued
74 * but CBEN_ENDEDIT{A|W}
75 * not yet issued. */
76 #define WCBE_EDITCHG 0x00000002 /* Edit issued EN_CHANGE */
77 #define WCBE_EDITHASCHANGED (WCBE_ACTEDIT | WCBE_EDITCHG)
78 #define WCBE_EDITFOCUSED 0x00000004 /* Edit control has focus */
79 #define WCBE_MOUSECAPTURED 0x00000008 /* Combo has captured mouse */
80 #define WCBE_MOUSEDRAGGED 0x00000010 /* User has dragged in combo */
81
82 #define ID_CB_EDIT 1001
83
84
85 /*
86 * Special flag set in DRAWITEMSTRUCT itemState field. It is set by
87 * the ComboEx version of the Combo Window Proc so that when the
88 * WM_DRAWITEM message is then passed to ComboEx, we know that this
89 * particular WM_DRAWITEM message is for listbox only items. Any message
90 * without this flag is then for the Edit control field.
91 *
92 * We really cannot use the ODS_COMBOBOXEDIT flag because MSDN states that
93 * only version 4.0 applications will have ODS_COMBOBOXEDIT set.
94 */
95 #define ODS_COMBOEXLBOX 0x4000
96
97
98
99 /* Height in pixels of control over the amount of the selected font */
100 #define CBE_EXTRA 3
101
102 /* Indent amount per MS documentation */
103 #define CBE_INDENT 10
104
105 /* Offset in pixels from left side for start of image or text */
106 #define CBE_STARTOFFSET 6
107
108 /* Offset between image and text */
109 #define CBE_SEP 4
110
111 #define COMBO_SUBCLASSID 1
112 #define EDIT_SUBCLASSID 2
113
114 #define COMBOEX_GetInfoPtr(hwnd) ((COMBOEX_INFO *)GetWindowLongPtrW (hwnd, 0))
115
116 static LRESULT CALLBACK COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
117 UINT_PTR uId, DWORD_PTR ref_data);
118 static LRESULT CALLBACK COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
119 UINT_PTR uId, DWORD_PTR ref_data);
120 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr);
121 typedef INT (WINAPI *cmp_func_t)(LPCWSTR, LPCWSTR);
122
123 static inline BOOL is_textW(LPCWSTR str)
124 {
125 return str && str != LPSTR_TEXTCALLBACKW;
126 }
127
128 static inline BOOL is_textA(LPCSTR str)
129 {
130 return str && str != LPSTR_TEXTCALLBACKA;
131 }
132
133 static inline LPCSTR debugstr_txt(LPCWSTR str)
134 {
135 if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
136 return debugstr_w(str);
137 }
138
139 static void COMBOEX_DumpItem (CBE_ITEMDATA const *item)
140 {
141 TRACE("item %p - mask=%08x, pszText=%p, cchTM=%d, iImage=%d\n",
142 item, item->mask, item->pszText, item->cchTextMax, item->iImage);
143 TRACE("item %p - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%Ix\n",
144 item, item->iSelectedImage, item->iOverlay, item->iIndent, item->lParam);
145 if (item->mask & CBEIF_TEXT)
146 TRACE("item %p - pszText=%s\n", item, debugstr_txt(item->pszText));
147 }
148
149
150 static void COMBOEX_DumpInput (COMBOBOXEXITEMW const *input)
151 {
152 TRACE("input - mask=%08x, iItem=%Id, pszText=%p, cchTM=%d, iImage=%d\n",
153 input->mask, input->iItem, input->pszText, input->cchTextMax,
154 input->iImage);
155 if (input->mask & CBEIF_TEXT)
156 TRACE("input - pszText=<%s>\n", debugstr_txt(input->pszText));
157 TRACE("input - iSelectedImage=%d, iOverlay=%d, iIndent=%d, lParam=%Ix\n",
158 input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
159 }
160
161
162 static inline CBE_ITEMDATA *get_item_data(const COMBOEX_INFO *infoPtr, INT index)
163 {
164 return (CBE_ITEMDATA *)SendMessageW (infoPtr->hwndCombo, CB_GETITEMDATA,
165 index, 0);
166 }
167
168 static inline cmp_func_t get_cmp_func(COMBOEX_INFO const *infoPtr)
169 {
170 return infoPtr->dwExtStyle & CBES_EX_CASESENSITIVE ? lstrcmpW : lstrcmpiW;
171 }
172
173 static INT COMBOEX_Notify (const COMBOEX_INFO *infoPtr, INT code, NMHDR *hdr)
174 {
175 hdr->idFrom = GetDlgCtrlID (infoPtr->hwndSelf);
176 hdr->hwndFrom = infoPtr->hwndSelf;
177 hdr->code = code;
178 if (infoPtr->NtfUnicode)
179 return SendMessageW (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
180 else
181 return SendMessageA (infoPtr->hwndNotify, WM_NOTIFY, 0, (LPARAM)hdr);
182 }
183
184
185 static INT
186 COMBOEX_NotifyItem (const COMBOEX_INFO *infoPtr, UINT 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 = 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 Free(astr);
216
217 return ret;
218 }
219 }
220
221
222 static INT COMBOEX_NotifyEndEdit (const 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 neea.hdr = neew->hdr;
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
242 static void COMBOEX_NotifyDragBegin(const COMBOEX_INFO *infoPtr, LPCWSTR wstr)
243 {
244 /* Change the Text item from Unicode to ANSI if necessary for NOTIFY */
245 if (infoPtr->NtfUnicode) {
246 NMCBEDRAGBEGINW ndbw;
247
248 ndbw.iItemid = -1;
249 lstrcpynW(ndbw.szText, wstr, CBEMAXSTRLEN);
250 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINW, &ndbw.hdr);
251 } else {
252 NMCBEDRAGBEGINA ndba;
253
254 ndba.iItemid = -1;
255 WideCharToMultiByte (CP_ACP, 0, wstr, -1, ndba.szText, CBEMAXSTRLEN, 0, 0);
256
257 COMBOEX_Notify (infoPtr, CBEN_DRAGBEGINA, &ndba.hdr);
258 }
259 }
260
261
262 static void COMBOEX_FreeText (CBE_ITEMDATA *item)
263 {
264 if (is_textW(item->pszText)) Free(item->pszText);
265 item->pszText = NULL;
266 Free(item->pszTemp);
267 item->pszTemp = NULL;
268 }
269
270
271 static INT COMBOEX_GetIndex(COMBOEX_INFO const *infoPtr, CBE_ITEMDATA const *item)
272 {
273 CBE_ITEMDATA const *moving;
274 INT index;
275
276 moving = infoPtr->items;
277 index = infoPtr->nb_items - 1;
278
279 while (moving && (moving != item)) {
280 moving = moving->next;
281 index--;
282 }
283 if (!moving || (index < 0)) {
284 ERR("COMBOBOXEX item structures broken. Please report!\n");
285 return -1;
286 }
287 return index;
288 }
289
290
291 static LPCWSTR COMBOEX_GetText(const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
292 {
293 NMCOMBOBOXEXW nmce;
294 LPWSTR text, buf;
295 INT len;
296
297 if (item->pszText != LPSTR_TEXTCALLBACKW)
298 return item->pszText;
299
300 ZeroMemory(&nmce, sizeof(nmce));
301 nmce.ceItem.mask = CBEIF_TEXT;
302 nmce.ceItem.lParam = item->lParam;
303 nmce.ceItem.iItem = COMBOEX_GetIndex(infoPtr, item);
304 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
305
306 if (is_textW(nmce.ceItem.pszText)) {
307 len = MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, NULL, 0);
308 buf = Alloc ((len + 1)*sizeof(WCHAR));
309 if (buf)
310 MultiByteToWideChar (CP_ACP, 0, (LPSTR)nmce.ceItem.pszText, -1, buf, len);
311 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) {
312 COMBOEX_FreeText(item);
313 item->pszText = buf;
314 } else {
315 Free(item->pszTemp);
316 item->pszTemp = buf;
317 }
318 text = buf;
319 } else
320 text = nmce.ceItem.pszText;
321
322 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
323 item->pszText = text;
324 return text;
325 }
326
327
328 static void COMBOEX_GetComboFontSize (const COMBOEX_INFO *infoPtr, SIZE *size)
329 {
330 HFONT nfont, ofont;
331 HDC mydc;
332
333 mydc = GetDC (0); /* why the entire screen???? */
334 nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
335 ofont = SelectObject (mydc, nfont);
336 GetTextExtentPointW (mydc, L"A", 1, size);
337 SelectObject (mydc, ofont);
338 ReleaseDC (0, mydc);
339 TRACE("selected font hwnd %p, height %ld\n", nfont, size->cy);
340 }
341
342
343 static void COMBOEX_CopyItem (const CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
344 {
345 if (cit->mask & CBEIF_TEXT) {
346 /*
347 * when given a text buffer actually use that buffer
348 */
349 if (cit->pszText) {
350 if (is_textW(item->pszText))
351 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
352 else
353 cit->pszText[0] = 0;
354 } else {
355 cit->pszText = item->pszText;
356 cit->cchTextMax = item->cchTextMax;
357 }
358 }
359 if (cit->mask & CBEIF_IMAGE)
360 cit->iImage = item->iImage;
361 if (cit->mask & CBEIF_SELECTEDIMAGE)
362 cit->iSelectedImage = item->iSelectedImage;
363 if (cit->mask & CBEIF_OVERLAY)
364 cit->iOverlay = item->iOverlay;
365 if (cit->mask & CBEIF_INDENT)
366 cit->iIndent = item->iIndent;
367 if (cit->mask & CBEIF_LPARAM)
368 cit->lParam = item->lParam;
369 }
370
371
372 static void COMBOEX_AdjustEditPos (const COMBOEX_INFO *infoPtr)
373 {
374 SIZE mysize;
375 INT x, y, w, h, xioff;
376 RECT rect;
377
378 if (!infoPtr->hwndEdit) return;
379
380 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
381 IMAGEINFO iinfo;
382 iinfo.rcImage.left = iinfo.rcImage.right = 0;
383 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
384 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
385 } else xioff = 0;
386
387 GetClientRect (infoPtr->hwndCombo, &rect);
388 InflateRect (&rect, -2, -2);
389 InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
390
391 /* reposition the Edit control based on whether icon exists */
392 COMBOEX_GetComboFontSize (infoPtr, &mysize);
393 TRACE("Combo font x %ld, y %ld\n", mysize.cx, mysize.cy);
394 x = xioff + CBE_STARTOFFSET + 1;
395 w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
396 h = mysize.cy + 1;
397 y = rect.bottom - h - 1;
398
399 TRACE("Combo client (%s), setting Edit to (%d,%d)-(%d,%d)\n",
400 wine_dbgstr_rect(&rect), x, y, x + w, y + h);
401 SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
402 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
403 }
404
405
406 static void COMBOEX_ReSize (const COMBOEX_INFO *infoPtr)
407 {
408 SIZE mysize;
409 LONG cy;
410 IMAGEINFO iinfo;
411
412 COMBOEX_GetComboFontSize (infoPtr, &mysize);
413 cy = mysize.cy + CBE_EXTRA;
414 if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
415 cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
416 TRACE("upgraded height due to image: height %ld\n", cy);
417 }
418 SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, -1, cy);
419 if (infoPtr->hwndCombo) {
420 SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT, 0, cy);
421 if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
422 RECT comboRect, ourRect;
423 GetWindowRect(infoPtr->hwndCombo, &comboRect);
424 GetWindowRect(infoPtr->hwndSelf, &ourRect);
425 if (comboRect.bottom > ourRect.bottom)
426 SetWindowPos( infoPtr->hwndSelf, 0, 0, 0, ourRect.right - ourRect.left,
427 comboRect.bottom - comboRect.top,
428 SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
429 }
430 }
431 }
432
433
434 static void COMBOEX_SetEditText (const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
435 {
436 if (!infoPtr->hwndEdit) return;
437
438 if (item->mask & CBEIF_TEXT) {
439 SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
440 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
441 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
442 }
443 }
444
445
446 static CBE_ITEMDATA *COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT_PTR index)
447 {
448 CBE_ITEMDATA *item;
449 INT i;
450
451 if ((index >= infoPtr->nb_items) || (index < -1))
452 return NULL;
453 if (index == -1)
454 return &infoPtr->edit;
455 item = infoPtr->items;
456 i = infoPtr->nb_items - 1;
457
458 /* find the item in the list */
459 while (item && (i > index)) {
460 item = item->next;
461 i--;
462 }
463 if (!item || (i != index)) {
464 ERR("COMBOBOXEX item structures broken. Please report!\n");
465 return 0;
466 }
467 return item;
468 }
469
470 /* *** CBEM_xxx message support *** */
471
472 static UINT COMBOEX_GetListboxText(COMBOEX_INFO *infoPtr, INT_PTR n, LPWSTR buf)
473 {
474 CBE_ITEMDATA *item;
475 LPCWSTR str;
476
477 item = COMBOEX_FindItem(infoPtr, n);
478 if (!item)
479 return 0;
480
481 str = COMBOEX_GetText(infoPtr, item);
482 if (!str)
483 {
484 if (buf)
485 {
486 if (infoPtr->unicode)
487 buf[0] = 0;
488 else
489 *((LPSTR)buf) = 0;
490 }
491 return 0;
492 }
493
494 if (infoPtr->unicode)
495 {
496 if (buf)
497 lstrcpyW(buf, str);
498 return lstrlenW(str);
499 }
500 else
501 {
502 UINT r;
503 r = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buf, 0x40000000, NULL, NULL);
504 if (r) r--;
505 return r;
506 }
507 }
508
509
510 static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT_PTR index)
511 {
512 TRACE("index %Id\n", index);
513
514 /* if item number requested does not exist then return failure */
515 if ((index >= infoPtr->nb_items) || (index < 0)) return CB_ERR;
516 if (!COMBOEX_FindItem(infoPtr, index)) return CB_ERR;
517
518 /* doing this will result in WM_DELETEITEM being issued */
519 SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, index, 0);
520
521 return infoPtr->nb_items;
522 }
523
524
525 static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
526 {
527 INT_PTR index = cit->iItem;
528 CBE_ITEMDATA *item;
529
530 TRACE("\n");
531
532 /* if item number requested does not exist then return failure */
533 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
534
535 /* if the item is the edit control and there is no edit control, skip */
536 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
537
538 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
539
540 COMBOEX_CopyItem (item, cit);
541
542 return TRUE;
543 }
544
545
546 static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
547 {
548 COMBOBOXEXITEMW tmpcit;
549
550 TRACE("\n");
551
552 tmpcit.mask = cit->mask;
553 tmpcit.iItem = cit->iItem;
554 tmpcit.pszText = 0;
555 if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
556
557 if (cit->mask & CBEIF_TEXT)
558 {
559 if (is_textW(tmpcit.pszText) && cit->pszText)
560 WideCharToMultiByte(CP_ACP, 0, tmpcit.pszText, -1,
561 cit->pszText, cit->cchTextMax, NULL, NULL);
562 else if (cit->pszText) cit->pszText[0] = 0;
563 else cit->pszText = (LPSTR)tmpcit.pszText;
564 }
565
566 if (cit->mask & CBEIF_IMAGE)
567 cit->iImage = tmpcit.iImage;
568 if (cit->mask & CBEIF_SELECTEDIMAGE)
569 cit->iSelectedImage = tmpcit.iSelectedImage;
570 if (cit->mask & CBEIF_OVERLAY)
571 cit->iOverlay = tmpcit.iOverlay;
572 if (cit->mask & CBEIF_INDENT)
573 cit->iIndent = tmpcit.iIndent;
574 if (cit->mask & CBEIF_LPARAM)
575 cit->lParam = tmpcit.lParam;
576
577 return TRUE;
578 }
579
580
581 static inline BOOL COMBOEX_HasEditChanged (COMBOEX_INFO const *infoPtr)
582 {
583 return infoPtr->hwndEdit && (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
584 }
585
586
587 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW const *cit)
588 {
589 INT_PTR index;
590 CBE_ITEMDATA *item;
591 NMCOMBOBOXEXW nmcit;
592
593 TRACE("\n");
594
595 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
596
597 /* get real index of item to insert */
598 index = cit->iItem;
599 if (index == -1) index = infoPtr->nb_items;
600 if (index > infoPtr->nb_items) return -1;
601
602 /* get zero-filled space and chain it in */
603 if(!(item = Alloc (sizeof(*item)))) return -1;
604
605 /* locate position to insert new item in */
606 if (index == infoPtr->nb_items) {
607 /* fast path for iItem = -1 */
608 item->next = infoPtr->items;
609 infoPtr->items = item;
610 }
611 else {
612 INT i = infoPtr->nb_items-1;
613 CBE_ITEMDATA *moving = infoPtr->items;
614
615 while ((i > index) && moving) {
616 moving = moving->next;
617 i--;
618 }
619 if (!moving) {
620 ERR("COMBOBOXEX item structures broken. Please report!\n");
621 Free(item);
622 return -1;
623 }
624 item->next = moving->next;
625 moving->next = item;
626 }
627
628 /* fill in our hidden item structure */
629 item->mask = cit->mask;
630 if (item->mask & CBEIF_TEXT) {
631 INT len = 0;
632
633 if (is_textW(cit->pszText)) len = lstrlenW (cit->pszText);
634 if (len > 0) {
635 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
636 if (!item->pszText) {
637 Free(item);
638 return -1;
639 }
640 lstrcpyW (item->pszText, cit->pszText);
641 }
642 else if (cit->pszText == LPSTR_TEXTCALLBACKW)
643 item->pszText = LPSTR_TEXTCALLBACKW;
644 item->cchTextMax = cit->cchTextMax;
645 }
646 if (item->mask & CBEIF_IMAGE)
647 item->iImage = cit->iImage;
648 if (item->mask & CBEIF_SELECTEDIMAGE)
649 item->iSelectedImage = cit->iSelectedImage;
650 if (item->mask & CBEIF_OVERLAY)
651 item->iOverlay = cit->iOverlay;
652 if (item->mask & CBEIF_INDENT)
653 item->iIndent = cit->iIndent;
654 if (item->mask & CBEIF_LPARAM)
655 item->lParam = cit->lParam;
656 infoPtr->nb_items++;
657
658 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
659
660 SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING, cit->iItem, (LPARAM)item);
661
662 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
663 nmcit.ceItem.mask=~0;
664 COMBOEX_CopyItem (item, &nmcit.ceItem);
665 COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
666
667 return index;
668
669 }
670
671
672 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
673 {
674 COMBOBOXEXITEMW citW;
675 LPWSTR wstr = NULL;
676 INT ret;
677
678 memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
679 if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
680 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
681 wstr = Alloc ((len + 1)*sizeof(WCHAR));
682 if (!wstr) return -1;
683 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
684 citW.pszText = wstr;
685 }
686 ret = COMBOEX_InsertItemW(infoPtr, &citW);
687
688 Free(wstr);
689
690 return ret;
691 }
692
693
694 static DWORD
695 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
696 {
697 DWORD dwTemp;
698
699 TRACE("mask %#lx, style %#lx\n", mask, style);
700
701 dwTemp = infoPtr->dwExtStyle;
702
703 if (mask)
704 infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
705 else
706 infoPtr->dwExtStyle = style;
707
708 /* see if we need to change the word break proc on the edit */
709 if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC)
710 SetPathWordBreakProc(infoPtr->hwndEdit,
711 (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) != 0);
712
713 /* test if the control's appearance has changed */
714 mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
715 if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
716 /* if state of EX_NOEDITIMAGE changes, invalidate all */
717 TRACE("EX_NOEDITIMAGE state changed to %#lx\n", infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
718 InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
719 COMBOEX_AdjustEditPos (infoPtr);
720 if (infoPtr->hwndEdit)
721 InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
722 }
723
724 return dwTemp;
725 }
726
727
728 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
729 {
730 HIMAGELIST himlTemp = infoPtr->himl;
731
732 TRACE("\n");
733
734 infoPtr->himl = himl;
735
736 COMBOEX_ReSize (infoPtr);
737 InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
738
739 /* reposition the Edit control based on whether icon exists */
740 COMBOEX_AdjustEditPos (infoPtr);
741 return himlTemp;
742 }
743
744 static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, const COMBOBOXEXITEMW *cit)
745 {
746 INT_PTR index = cit->iItem;
747 CBE_ITEMDATA *item;
748
749 if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
750
751 /* if item number requested does not exist then return failure */
752 if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
753
754 /* if the item is the edit control and there is no edit control, skip */
755 if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
756
757 if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
758
759 /* add/change stuff to the internal item structure */
760 item->mask |= cit->mask;
761 if (cit->mask & CBEIF_TEXT) {
762 INT len = 0;
763
764 COMBOEX_FreeText(item);
765 if (is_textW(cit->pszText)) len = lstrlenW(cit->pszText);
766 if (len > 0) {
767 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
768 if (!item->pszText) return FALSE;
769 lstrcpyW(item->pszText, cit->pszText);
770 } else if (cit->pszText == LPSTR_TEXTCALLBACKW)
771 item->pszText = LPSTR_TEXTCALLBACKW;
772 item->cchTextMax = cit->cchTextMax;
773 }
774 if (cit->mask & CBEIF_IMAGE)
775 item->iImage = cit->iImage;
776 if (cit->mask & CBEIF_SELECTEDIMAGE)
777 item->iSelectedImage = cit->iSelectedImage;
778 if (cit->mask & CBEIF_OVERLAY)
779 item->iOverlay = cit->iOverlay;
780 if (cit->mask & CBEIF_INDENT)
781 item->iIndent = cit->iIndent;
782 if (cit->mask & CBEIF_LPARAM)
783 item->lParam = cit->lParam;
784
785 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
786
787 /* if original request was to update edit control, do some fast foot work */
788 if (cit->iItem == -1 && cit->mask & CBEIF_TEXT) {
789 COMBOEX_SetEditText (infoPtr, item);
790 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
791 }
792 return TRUE;
793 }
794
795 static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
796 {
797 COMBOBOXEXITEMW citW;
798 LPWSTR wstr = NULL;
799 BOOL ret;
800
801 memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
802 if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
803 INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
804 wstr = Alloc ((len + 1)*sizeof(WCHAR));
805 if (!wstr) return FALSE;
806 MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
807 citW.pszText = wstr;
808 }
809 ret = COMBOEX_SetItemW(infoPtr, &citW);
810
811 Free(wstr);
812
813 return ret;
814 }
815
816
817 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
818 {
819 BOOL bTemp = infoPtr->unicode;
820
821 TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
822
823 infoPtr->unicode = value;
824
825 return bTemp;
826 }
827
828
829 /* *** CB_xxx message support *** */
830
831 static INT
832 COMBOEX_FindStringExact (const COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
833 {
834 INT i;
835 cmp_func_t cmptext = get_cmp_func(infoPtr);
836 INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
837
838 /* now search from after starting loc and wrapping back to start */
839 for(i=start+1; i<count; i++) {
840 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
841 if ((LRESULT)item == CB_ERR) continue;
842 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
843 }
844 for(i=0; i<=start; i++) {
845 CBE_ITEMDATA *item = get_item_data(infoPtr, i);
846 if ((LRESULT)item == CB_ERR) continue;
847 if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
848 }
849 return CB_ERR;
850 }
851
852
853 static DWORD_PTR COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT_PTR index)
854 {
855 CBE_ITEMDATA const *item1;
856 CBE_ITEMDATA const *item2;
857 DWORD_PTR ret = 0;
858
859 item1 = get_item_data(infoPtr, index);
860 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
861 item2 = COMBOEX_FindItem (infoPtr, index);
862 if (item2 != item1) {
863 ERR("data structures damaged!\n");
864 return CB_ERR;
865 }
866 if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
867 TRACE("returning %#Ix\n", ret);
868 } else {
869 ret = (DWORD_PTR)item1;
870 TRACE("non-valid result from combo, returning %#Ix\n", ret);
871 }
872 return ret;
873 }
874
875
876 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT_PTR index)
877 {
878 CBE_ITEMDATA *item;
879 INT sel;
880
881 if (!(item = COMBOEX_FindItem(infoPtr, index)))
882 return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
883
884 TRACE("selecting item %Id text=%s\n", index, debugstr_txt(item->pszText));
885 infoPtr->selected = index;
886
887 sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
888 COMBOEX_SetEditText (infoPtr, item);
889 return sel;
890 }
891
892
893 static DWORD_PTR COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT_PTR index, DWORD_PTR data)
894 {
895 CBE_ITEMDATA *item1;
896 CBE_ITEMDATA const *item2;
897
898 item1 = get_item_data(infoPtr, index);
899 if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
900 item2 = COMBOEX_FindItem (infoPtr, index);
901 if (item2 != item1) {
902 ERR("data structures damaged!\n");
903 return CB_ERR;
904 }
905 item1->mask |= CBEIF_LPARAM;
906 item1->lParam = data;
907 TRACE("setting lparam to %#Ix\n", data);
908 return 0;
909 }
910 TRACE("non-valid result from combo %p\n", item1);
911 return (DWORD_PTR)item1;
912 }
913
914
915 static INT COMBOEX_SetItemHeight (COMBOEX_INFO const *infoPtr, INT index, UINT height)
916 {
917 RECT cb_wrect, cbx_wrect, cbx_crect;
918
919 /* First, lets forward the message to the normal combo control
920 just like Windows. */
921 if (infoPtr->hwndCombo)
922 if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
923 index, height) == CB_ERR) return CB_ERR;
924
925 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
926 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
927 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
928 /* the height of comboex as height of the combo + comboex border */
929 height = cb_wrect.bottom-cb_wrect.top
930 + cbx_wrect.bottom-cbx_wrect.top
931 - (cbx_crect.bottom-cbx_crect.top);
932 TRACE("EX window=(%s), client=(%s)\n",
933 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
934 TRACE("CB window=(%s), EX setting=(0,0)-(%ld,%d)\n",
935 wine_dbgstr_rect(&cbx_wrect), cbx_wrect.right-cbx_wrect.left, height);
936 SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
937 cbx_wrect.right-cbx_wrect.left, height,
938 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
939
940 return 0;
941 }
942
943
944 /* *** WM_xxx message support *** */
945
946
947 static LRESULT COMBOEX_Create (HWND hwnd, CREATESTRUCTA const *cs)
948 {
949 COMBOEX_INFO *infoPtr;
950 LOGFONTW mylogfont;
951 RECT win_rect;
952 INT i;
953
954 /* allocate memory for info structure */
955 infoPtr = Alloc (sizeof(COMBOEX_INFO));
956 if (!infoPtr) return -1;
957
958 /* initialize info structure */
959 /* note that infoPtr is allocated zero-filled */
960
961 infoPtr->hwndSelf = hwnd;
962 infoPtr->selected = -1;
963
964 infoPtr->unicode = IsWindowUnicode (hwnd);
965 infoPtr->hwndNotify = cs->hwndParent;
966
967 i = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
968 if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
969 WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
970 i = NFR_ANSI;
971 }
972 infoPtr->NtfUnicode = (i == NFR_UNICODE);
973
974 SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
975
976 if (TRACE_ON(comboex)) {
977 RECT client, rect;
978 GetWindowRect(hwnd, &rect);
979 GetClientRect(hwnd, &client);
980 TRACE("EX window=(%s), client=(%s)\n",
981 wine_dbgstr_rect(&rect), wine_dbgstr_rect(&client));
982 }
983
984 /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
985 /* specified. It then creates its own version of the EDIT control */
986 /* and makes the ComboBox the parent. This is because a normal */
987 /* DROPDOWNLIST does not have an EDIT control, but we need one. */
988 /* We also need to place the edit control at the proper location */
989 /* (allow space for the icons). */
990
991 infoPtr->hwndCombo = CreateWindowW (WC_COMBOBOXW, L"",
992 WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
993 CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
994 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
995 GetWindowLongW (hwnd, GWL_STYLE),
996 cs->y, cs->x, cs->cx, cs->cy, hwnd,
997 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
998 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
999
1000 SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID,
1001 (DWORD_PTR)hwnd);
1002 infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1003
1004 /*
1005 * Now create our own EDIT control so we can position it.
1006 * It is created only for CBS_DROPDOWN style
1007 */
1008 if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
1009 infoPtr->hwndEdit = CreateWindowExW (0, WC_EDITW, L"",
1010 WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
1011 0, 0, 0, 0, /* will set later */
1012 infoPtr->hwndCombo,
1013 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1014 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1015
1016 SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID,
1017 (DWORD_PTR)hwnd);
1018
1019 infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1020 }
1021
1022 /*
1023 * Locate the default font if necessary and then set it in
1024 * all associated controls
1025 */
1026 if (!infoPtr->font) {
1027 SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1028 &mylogfont, 0);
1029 infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1030 }
1031 SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1032 if (infoPtr->hwndEdit) {
1033 SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1034 SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, EC_USEFONTINFO, 0);
1035 }
1036
1037 COMBOEX_ReSize (infoPtr);
1038
1039 /* Above is fairly certain, below is much less certain. */
1040
1041 GetWindowRect(hwnd, &win_rect);
1042
1043 if (TRACE_ON(comboex)) {
1044 RECT client, rect;
1045 GetClientRect(hwnd, &client);
1046 GetWindowRect(infoPtr->hwndCombo, &rect);
1047 TRACE("EX window=(%s) client=(%s) CB wnd=(%s)\n",
1048 wine_dbgstr_rect(&win_rect), wine_dbgstr_rect(&client),
1049 wine_dbgstr_rect(&rect));
1050 }
1051 SetWindowPos(infoPtr->hwndCombo, HWND_TOP, 0, 0,
1052 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1053 SWP_NOACTIVATE | SWP_NOREDRAW);
1054
1055 GetWindowRect(infoPtr->hwndCombo, &win_rect);
1056 TRACE("CB window=(%s)\n", wine_dbgstr_rect(&win_rect));
1057 SetWindowPos(hwnd, HWND_TOP, 0, 0,
1058 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1059 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1060
1061 COMBOEX_AdjustEditPos (infoPtr);
1062
1063 return 0;
1064 }
1065
1066
1067 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam)
1068 {
1069 LRESULT lret;
1070 INT command = HIWORD(wParam);
1071 CBE_ITEMDATA *item = 0;
1072 WCHAR wintext[520];
1073 INT cursel, n;
1074 INT_PTR oldItem;
1075 NMCBEENDEDITW cbeend;
1076 DWORD oldflags;
1077 HWND parent = infoPtr->hwndNotify;
1078
1079 TRACE("for command %d\n", command);
1080
1081 switch (command)
1082 {
1083 case CBN_DROPDOWN:
1084 SetFocus (infoPtr->hwndCombo);
1085 ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1086 infoPtr->flags |= WCBE_ACTEDIT;
1087 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1088 case CBN_CLOSEUP:
1089 SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1090 ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1091 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1092 if (infoPtr->hwndEdit) InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1093 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1094 if (cursel == -1) {
1095 cmp_func_t cmptext = get_cmp_func(infoPtr);
1096 /* find match from edit against those in Combobox */
1097 GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1098 n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1099 for (cursel = 0; cursel < n; cursel++){
1100 item = get_item_data(infoPtr, cursel);
1101 if ((INT_PTR)item == CB_ERR) break;
1102 if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1103 }
1104 if ((cursel == n) || ((INT_PTR)item == CB_ERR)) {
1105 TRACE("failed to find match??? item=%p cursel=%d\n",
1106 item, cursel);
1107 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1108 return 0;
1109 }
1110 }
1111 else {
1112 item = get_item_data(infoPtr, cursel);
1113 if ((INT_PTR)item == CB_ERR) {
1114 TRACE("failed to find match??? item=%p cursel=%d\n",
1115 item, cursel);
1116 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1117 return 0;
1118 }
1119 }
1120
1121 /* Save flags for testing and reset them */
1122 oldflags = infoPtr->flags;
1123 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1124
1125 if (oldflags & WCBE_ACTEDIT) {
1126 cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1127 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1128 CB_GETCURSEL, 0, 0);
1129 cbeend.iWhy = CBENF_DROPDOWN;
1130
1131 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1132 }
1133
1134 /* if selection has changed the set the new current selection */
1135 cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1136 if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1137 infoPtr->selected = cursel;
1138 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1139 SetFocus(infoPtr->hwndCombo);
1140 }
1141 return 0;
1142
1143 case CBN_SELCHANGE:
1144 /*
1145 * CB_GETCURSEL(Combo)
1146 * CB_GETITEMDATA(Combo) < simulated by COMBOEX_FindItem
1147 * lstrlenA
1148 * WM_SETTEXT(Edit)
1149 * WM_GETTEXTLENGTH(Edit)
1150 * WM_GETTEXT(Edit)
1151 * EM_SETSEL(Edit, 0,0)
1152 * WM_GETTEXTLENGTH(Edit)
1153 * WM_GETTEXT(Edit)
1154 * EM_SETSEL(Edit, 0,len)
1155 * return WM_COMMAND to parent
1156 */
1157 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1158 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1159 ERR("item %Id not found. Problem!\n", oldItem);
1160 break;
1161 }
1162 infoPtr->selected = oldItem;
1163 COMBOEX_SetEditText (infoPtr, item);
1164 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1165
1166 case CBN_SELENDOK:
1167 case CBN_SELENDCANCEL:
1168 /*
1169 * We have to change the handle since we are the control
1170 * issuing the message. IE4 depends on this.
1171 */
1172 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1173
1174 case CBN_KILLFOCUS:
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 case CBN_SETFOCUS:
1191 return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1192
1193 default:
1194 /*
1195 * We have to change the handle since we are the control
1196 * issuing the message. IE4 depends on this.
1197 * We also need to set the focus back to the Edit control
1198 * after passing the command to the parent of the ComboEx.
1199 */
1200 lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1201 if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1202 return lret;
1203 }
1204 return 0;
1205 }
1206
1207
1208 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1209 {
1210 CBE_ITEMDATA *item, *olditem;
1211 NMCOMBOBOXEXW nmcit;
1212 UINT i;
1213
1214 TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%Ix\n",
1215 dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1216
1217 if (dis->itemID >= infoPtr->nb_items) return FALSE;
1218
1219 olditem = infoPtr->items;
1220 i = infoPtr->nb_items - 1;
1221
1222 if (i == dis->itemID) {
1223 infoPtr->items = infoPtr->items->next;
1224 }
1225 else {
1226 item = olditem;
1227 i--;
1228
1229 /* find the prior item in the list */
1230 while (item->next && (i > dis->itemID)) {
1231 item = item->next;
1232 i--;
1233 }
1234 if (!item->next || (i != dis->itemID)) {
1235 ERR("COMBOBOXEX item structures broken. Please report!\n");
1236 return FALSE;
1237 }
1238 olditem = item->next;
1239 item->next = item->next->next;
1240 }
1241 infoPtr->nb_items--;
1242
1243 memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1244 nmcit.ceItem.mask=~0;
1245 COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1246 COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1247
1248 COMBOEX_FreeText(olditem);
1249 Free(olditem);
1250
1251 return TRUE;
1252 }
1253
1254
1255 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1256 {
1257 CBE_ITEMDATA *item = NULL;
1258 SIZE txtsize;
1259 RECT rect;
1260 LPCWSTR str = L"";
1261 UINT xbase, x, y;
1262 INT len;
1263 COLORREF nbkc, ntxc, bkc, txc;
1264 int drawimage, drawstate, xioff, selected;
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=%p hDC=%p (%s) itemData=%#Ix\n",
1271 dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1272
1273 /* MSDN says: */
1274 /* "itemID - Specifies the menu item identifier for a menu */
1275 /* item or the index of the item in a list box or combo box. */
1276 /* For an empty list box or combo box, this member can be -1. */
1277 /* This allows the application to draw only the focus */
1278 /* rectangle at the coordinates specified by the rcItem */
1279 /* member even though there are no items in the control. */
1280 /* This indicates to the user whether the list box or combo */
1281 /* box has the focus. How the bits are set in the itemAction */
1282 /* member determines whether the rectangle is to be drawn as */
1283 /* though the list box or combo box has the focus. */
1284 if (dis->itemID == 0xffffffff) {
1285 if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1286 ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1287
1288 TRACE("drawing item -1 special focus, rect=(%s)\n",
1289 wine_dbgstr_rect(&dis->rcItem));
1290 }
1291 else if ((dis->CtlType == ODT_COMBOBOX) &&
1292 (dis->itemAction == ODA_DRAWENTIRE)) {
1293 /* draw of edit control data */
1294
1295 if (TRACE_ON(comboex)) {
1296 RECT exrc, cbrc, edrc;
1297 GetWindowRect (infoPtr->hwndSelf, &exrc);
1298 GetWindowRect (infoPtr->hwndCombo, &cbrc);
1299 SetRect(&edrc, -1, -1, -1, -1);
1300 if (infoPtr->hwndEdit) GetWindowRect (infoPtr->hwndEdit, &edrc);
1301 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1302 wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1303 wine_dbgstr_rect(&edrc));
1304 }
1305 }
1306 else {
1307 ERR("NOT drawing item -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1308 wine_dbgstr_rect(&dis->rcItem),
1309 dis->itemAction, dis->itemState);
1310 return 0;
1311 }
1312 }
1313
1314 /* If draw item is -1 (edit control) setup the item pointer */
1315 if (dis->itemID == 0xffffffff) {
1316 item = &infoPtr->edit;
1317
1318 if (infoPtr->hwndEdit) {
1319 /* free previous text of edit item */
1320 COMBOEX_FreeText(item);
1321 item->mask &= ~CBEIF_TEXT;
1322 if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1323 item->mask |= CBEIF_TEXT;
1324 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
1325 if (item->pszText)
1326 GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1327
1328 TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1329 infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1330 }
1331 }
1332 }
1333
1334
1335 /* if the item pointer is not set, then get the data and locate it */
1336 if (!item) {
1337 item = get_item_data(infoPtr, dis->itemID);
1338 if (item == (CBE_ITEMDATA *)CB_ERR) {
1339 ERR("invalid item for id %d\n", dis->itemID);
1340 return 0;
1341 }
1342 }
1343
1344 if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1345
1346 xbase = CBE_STARTOFFSET;
1347 if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1348 INT indent = item->iIndent;
1349 if (indent == I_INDENTCALLBACK) {
1350 NMCOMBOBOXEXW nmce;
1351 ZeroMemory(&nmce, sizeof(nmce));
1352 nmce.ceItem.mask = CBEIF_INDENT;
1353 nmce.ceItem.lParam = item->lParam;
1354 nmce.ceItem.iItem = dis->itemID;
1355 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1356 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1357 item->iIndent = nmce.ceItem.iIndent;
1358 indent = nmce.ceItem.iIndent;
1359 }
1360 xbase += (indent * CBE_INDENT);
1361 }
1362
1363 drawimage = -2;
1364 drawstate = ILD_NORMAL;
1365 selected = infoPtr->selected == dis->itemID;
1366
1367 if (item->mask & CBEIF_IMAGE)
1368 drawimage = item->iImage;
1369 if (item->mask & CBEIF_SELECTEDIMAGE && selected)
1370 drawimage = item->iSelectedImage;
1371 if (dis->itemState & ODS_COMBOEXLBOX) {
1372 /* drawing listbox entry */
1373 if (dis->itemState & ODS_SELECTED)
1374 drawstate = ILD_SELECTED;
1375 } else {
1376 /* drawing combo/edit entry */
1377 if (IsWindowVisible(infoPtr->hwndEdit)) {
1378 /* if we have an edit control, set the selection state from the edit focus state */
1379 if (infoPtr->flags & WCBE_EDITFOCUSED)
1380 drawstate = ILD_SELECTED;
1381 } else
1382 /* if we don't have an edit control, use
1383 * the requested state.
1384 */
1385 if (dis->itemState & ODS_SELECTED)
1386 drawstate = ILD_SELECTED;
1387 }
1388
1389 if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1390 IMAGEINFO iinfo;
1391 iinfo.rcImage.left = iinfo.rcImage.right = 0;
1392 ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1393 xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1394 } else xioff = 0;
1395
1396 /* setup pointer to text to be drawn */
1397 str = COMBOEX_GetText(infoPtr, item);
1398 if (!str) str = L"";
1399
1400 len = lstrlenW (str);
1401 GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1402
1403 if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1404 int overlay = item->iOverlay;
1405
1406 if (drawimage == I_IMAGECALLBACK) {
1407 NMCOMBOBOXEXW nmce;
1408 ZeroMemory(&nmce, sizeof(nmce));
1409 nmce.ceItem.mask = selected ? CBEIF_SELECTEDIMAGE : CBEIF_IMAGE;
1410 nmce.ceItem.lParam = item->lParam;
1411 nmce.ceItem.iItem = dis->itemID;
1412 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1413 if (!selected) {
1414 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1415 drawimage = nmce.ceItem.iImage;
1416 } else {
1417 if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1418 drawimage = nmce.ceItem.iSelectedImage;
1419 }
1420 }
1421
1422 if (overlay == I_IMAGECALLBACK) {
1423 NMCOMBOBOXEXW nmce;
1424 ZeroMemory(&nmce, sizeof(nmce));
1425 nmce.ceItem.mask = CBEIF_OVERLAY;
1426 nmce.ceItem.lParam = item->lParam;
1427 nmce.ceItem.iItem = dis->itemID;
1428 COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1429 if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1430 item->iOverlay = nmce.ceItem.iOverlay;
1431 overlay = nmce.ceItem.iOverlay;
1432 }
1433
1434 if (drawimage >= 0 &&
1435 !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1436 if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1437 ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1438 drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1439 }
1440
1441 /* now draw the text */
1442 if (!IsWindowVisible (infoPtr->hwndEdit)) {
1443 nbkc = (dis->itemState & ODS_SELECTED) ?
1444 comctl32_color.clrHighlight : comctl32_color.clrWindow;
1445 bkc = SetBkColor (dis->hDC, nbkc);
1446 ntxc = (dis->itemState & ODS_SELECTED) ?
1447 comctl32_color.clrHighlightText : comctl32_color.clrWindowText;
1448 txc = SetTextColor (dis->hDC, ntxc);
1449 x = xbase + xioff;
1450 y = dis->rcItem.top +
1451 (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1452 SetRect(&rect, x, dis->rcItem.top + 1, x + txtsize.cx, dis->rcItem.bottom - 1);
1453 TRACE("drawing item %d text, rect=(%s)\n",
1454 dis->itemID, wine_dbgstr_rect(&rect));
1455 ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1456 &rect, str, len, 0);
1457 SetBkColor (dis->hDC, bkc);
1458 SetTextColor (dis->hDC, txc);
1459 }
1460 }
1461
1462 if (dis->itemAction & ODA_FOCUS) {
1463 rect.left = xbase + xioff - 1;
1464 rect.right = rect.left + txtsize.cx + 2;
1465 rect.top = dis->rcItem.top;
1466 rect.bottom = dis->rcItem.bottom;
1467 DrawFocusRect(dis->hDC, &rect);
1468 }
1469
1470 return 0;
1471 }
1472
1473
1474 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1475 {
1476 if (infoPtr->items)
1477 {
1478 CBE_ITEMDATA *item, *next;
1479
1480 item = infoPtr->items;
1481 while (item) {
1482 next = item->next;
1483 COMBOEX_FreeText (item);
1484 Free (item);
1485 item = next;
1486 }
1487 infoPtr->items = 0;
1488 }
1489
1490 infoPtr->selected = -1;
1491 infoPtr->nb_items = 0;
1492 }
1493
1494
1495 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1496 {
1497 if (infoPtr->hwndCombo)
1498 SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID, 0);
1499
1500 if (infoPtr->hwndEdit)
1501 SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID, 0);
1502
1503 COMBOEX_FreeText (&infoPtr->edit);
1504 COMBOEX_ResetContent (infoPtr);
1505
1506 if (infoPtr->defaultFont)
1507 DeleteObject (infoPtr->defaultFont);
1508
1509 SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1510
1511 /* free comboex info data */
1512 Free (infoPtr);
1513
1514 return 0;
1515 }
1516
1517
1518 static LRESULT COMBOEX_Enable (COMBOEX_INFO *infoPtr, BOOL enable)
1519 {
1520 TRACE("hwnd=%p, enable=%s\n", infoPtr->hwndSelf, enable ? "TRUE":"FALSE");
1521
1522 if (infoPtr->hwndEdit)
1523 EnableWindow(infoPtr->hwndEdit, enable);
1524
1525 EnableWindow(infoPtr->hwndCombo, enable);
1526
1527 /* Force the control to repaint when the enabled state changes. */
1528 InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1529
1530 return 1;
1531 }
1532
1533
1534 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO const *infoPtr, MEASUREITEMSTRUCT *mis)
1535 {
1536 SIZE mysize;
1537 HDC hdc;
1538
1539 hdc = GetDC (0);
1540 GetTextExtentPointW (hdc, L"W", 1, &mysize);
1541 ReleaseDC (0, hdc);
1542 mis->itemHeight = mysize.cy + CBE_EXTRA;
1543
1544 TRACE("adjusted height hwnd=%p, height=%d\n",
1545 infoPtr->hwndSelf, mis->itemHeight);
1546
1547 return 0;
1548 }
1549
1550
1551 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1552 {
1553 /* WARNING: The COMBOEX_INFO structure is not yet created */
1554 DWORD oldstyle, newstyle;
1555
1556 oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1557 newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL | WS_BORDER);
1558 if (newstyle != oldstyle)
1559 {
1560 TRACE("req style %#lx, resetting style %#lx\n", oldstyle, newstyle);
1561 SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1562 }
1563 return 1;
1564 }
1565
1566
1567 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1568 {
1569 if (lParam == NF_REQUERY) {
1570 INT i = SendMessageW(infoPtr->hwndNotify,
1571 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1572 infoPtr->NtfUnicode = (i == NFR_UNICODE);
1573 }
1574 return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1575 }
1576
1577
1578 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1579 {
1580 TRACE("(width=%d, height=%d)\n", width, height);
1581
1582 MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1583
1584 COMBOEX_AdjustEditPos (infoPtr);
1585
1586 return 0;
1587 }
1588
1589 static LRESULT COMBOEX_SetFont( COMBOEX_INFO *infoPtr, HFONT font, BOOL redraw )
1590 {
1591 infoPtr->font = font;
1592 SendMessageW( infoPtr->hwndCombo, WM_SETFONT, (WPARAM)font, 0 );
1593 if (infoPtr->hwndEdit) SendMessageW( infoPtr->hwndEdit, WM_SETFONT, (WPARAM)font, 0 );
1594 COMBOEX_ReSize( infoPtr );
1595 if (redraw) InvalidateRect( infoPtr->hwndCombo, NULL, TRUE );
1596 return 0;
1597 }
1598
1599 static LRESULT COMBOEX_SetRedraw(const COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1600 {
1601 LRESULT ret = DefWindowProcW( infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam );
1602 if (wParam) RedrawWindow( infoPtr->hwndSelf, NULL, 0, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN );
1603 return ret;
1604 }
1605
1606
1607 static LRESULT COMBOEX_WindowPosChanging (const COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1608 {
1609 RECT cbx_wrect, cbx_crect, cb_wrect;
1610 INT width, height;
1611
1612 GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1613 GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1614 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1615
1616 /* width is winpos value + border width of comboex */
1617 width = wp->cx
1618 + (cbx_wrect.right-cbx_wrect.left)
1619 - (cbx_crect.right-cbx_crect.left);
1620
1621 TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1622 wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1623 TRACE("EX window=(%s), client=(%s)\n",
1624 wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1625 TRACE("CB window=(%s), EX setting=(0,0)-(%d,%ld)\n",
1626 wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1627
1628 if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1629 width,
1630 cb_wrect.bottom-cb_wrect.top,
1631 SWP_NOACTIVATE);
1632
1633 GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1634
1635 /* height is combo window height plus border width of comboex */
1636 height = (cb_wrect.bottom-cb_wrect.top)
1637 + (cbx_wrect.bottom-cbx_wrect.top)
1638 - (cbx_crect.bottom-cbx_crect.top);
1639 wp->cy = height;
1640 if (infoPtr->hwndEdit) {
1641 COMBOEX_AdjustEditPos (infoPtr);
1642 InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1643 }
1644
1645 return 0;
1646 }
1647
1648 static LRESULT CALLBACK
1649 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1650 UINT_PTR uId, DWORD_PTR ref_data)
1651 {
1652 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1653 NMCBEENDEDITW cbeend;
1654 WCHAR edit_text[260];
1655 COLORREF obkc;
1656 HDC hDC;
1657 RECT rect;
1658 LRESULT lret;
1659
1660 TRACE("hwnd %p, msg %x, wparam %Ix, lParam %Ix, info_ptr=%p\n",
1661 hwnd, uMsg, wParam, lParam, infoPtr);
1662
1663 if (uMsg == WM_NCDESTROY)
1664 RemoveWindowSubclass(hwnd, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
1665
1666 if (!infoPtr)
1667 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1668
1669 switch (uMsg)
1670 {
1671
1672 case WM_CHAR:
1673 /* handle (ignore) the return character */
1674 if (wParam == VK_RETURN) return 0;
1675 /* all other characters pass into the real Edit */
1676 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1677
1678 case WM_ERASEBKGND:
1679 hDC = (HDC) wParam;
1680 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1681 GetClientRect (hwnd, &rect);
1682 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1683 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1684 SetBkColor (hDC, obkc);
1685 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1686
1687 case WM_KEYDOWN: {
1688 INT_PTR oldItem, selected;
1689 CBE_ITEMDATA *item;
1690
1691 switch ((INT)wParam)
1692 {
1693 case VK_ESCAPE:
1694 TRACE("special code for VK_ESCAPE\n");
1695
1696 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1697
1698 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1699 cbeend.fChanged = FALSE;
1700 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1701 CB_GETCURSEL, 0, 0);
1702 cbeend.iWhy = CBENF_ESCAPE;
1703
1704 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1705 oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1706 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1707 if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1708 ERR("item %Id not found. Problem!\n", oldItem);
1709 break;
1710 }
1711 infoPtr->selected = oldItem;
1712 COMBOEX_SetEditText (infoPtr, item);
1713 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1714 RDW_INVALIDATE);
1715 break;
1716
1717 case VK_RETURN:
1718 TRACE("special code for VK_RETURN\n");
1719
1720 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1721
1722 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1723 selected = SendMessageW (infoPtr->hwndCombo,
1724 CB_GETCURSEL, 0, 0);
1725
1726 if (selected != -1) {
1727 cmp_func_t cmptext = get_cmp_func(infoPtr);
1728 item = COMBOEX_FindItem (infoPtr, selected);
1729 TRACE("handling VK_RETURN, selected = %Id, selected_text=%s\n", selected, debugstr_txt(item->pszText));
1730 TRACE("handling VK_RETURN, edittext=%s\n", debugstr_w(edit_text));
1731 if (cmptext (COMBOEX_GetText(infoPtr, item), edit_text)) {
1732 /* strings not equal -- indicate edit has changed */
1733 selected = -1;
1734 }
1735 }
1736
1737 cbeend.iNewSelection = selected;
1738 cbeend.fChanged = TRUE;
1739 cbeend.iWhy = CBENF_RETURN;
1740 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) {
1741 /* abort the change, restore previous */
1742 TRACE("Notify requested abort of change\n");
1743 COMBOEX_SetEditText (infoPtr, &infoPtr->edit);
1744 RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE |
1745 RDW_INVALIDATE);
1746 return 0;
1747 }
1748 oldItem = SendMessageW (infoPtr->hwndCombo,CB_GETCURSEL, 0, 0);
1749 if (oldItem != -1) {
1750 /* if something is selected, then deselect it */
1751 SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, -1, 0);
1752 }
1753 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1754 SetFocus(infoPtr->hwndEdit);
1755 break;
1756
1757 case VK_UP:
1758 case VK_DOWN:
1759 {
1760 INT step = wParam == VK_DOWN ? 1 : -1;
1761
1762 oldItem = SendMessageW (infoPtr->hwndSelf, CB_GETCURSEL, 0, 0);
1763 if (oldItem >= 0 && oldItem + step >= 0)
1764 SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, oldItem + step, 0);
1765 return 0;
1766 }
1767 default:
1768 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1769 }
1770 return 0;
1771 }
1772
1773 case WM_SETFOCUS:
1774 /* remember the focus to set state of icon */
1775 lret = DefSubclassProc(hwnd, uMsg, wParam, lParam);
1776 infoPtr->flags |= WCBE_EDITFOCUSED;
1777 return lret;
1778
1779 case WM_KILLFOCUS:
1780 /*
1781 * do NOTIFY CBEN_ENDEDIT with CBENF_KILLFOCUS
1782 */
1783 infoPtr->flags &= ~WCBE_EDITFOCUSED;
1784 if (infoPtr->flags & WCBE_ACTEDIT) {
1785 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1786
1787 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1788 cbeend.fChanged = FALSE;
1789 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1790 CB_GETCURSEL, 0, 0);
1791 cbeend.iWhy = CBENF_KILLFOCUS;
1792
1793 COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text);
1794 }
1795 /* fall through */
1796
1797 default:
1798 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1799 }
1800 }
1801
1802
1803 static LRESULT CALLBACK
1804 COMBOEX_ComboWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1805 UINT_PTR uId, DWORD_PTR ref_data)
1806 {
1807 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1808 NMCBEENDEDITW cbeend;
1809 NMMOUSE nmmse;
1810 COLORREF obkc;
1811 HDC hDC;
1812 HWND focusedhwnd;
1813 RECT rect;
1814 POINT pt;
1815 WCHAR edit_text[260];
1816
1817 TRACE("hwnd %p, msg %x, wparam %Ix, lParam %Ix, info_ptr %p\n",
1818 hwnd, uMsg, wParam, lParam, infoPtr);
1819
1820 if (uMsg == WM_NCDESTROY)
1821 RemoveWindowSubclass(hwnd, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
1822
1823 if (!infoPtr)
1824 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1825
1826 switch (uMsg)
1827 {
1828 case WM_DRAWITEM:
1829 /*
1830 * The only way this message should come is from the
1831 * child Listbox issuing the message. Flag this so
1832 * that ComboEx knows this is listbox.
1833 */
1834 ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1835 break;
1836
1837 case WM_ERASEBKGND:
1838 hDC = (HDC) wParam;
1839 obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1840 GetClientRect (hwnd, &rect);
1841 TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1842 ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1843 SetBkColor (hDC, obkc);
1844 break;
1845
1846 case WM_SETCURSOR:
1847 /*
1848 * WM_NOTIFY to comboex parent (rebar)
1849 * with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1850 * CallWindowProc (previous)
1851 */
1852 nmmse.dwItemSpec = 0;
1853 nmmse.dwItemData = 0;
1854 nmmse.pt.x = 0;
1855 nmmse.pt.y = 0;
1856 nmmse.dwHitInfo = lParam;
1857 COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1858 break;
1859
1860 case WM_LBUTTONDOWN:
1861 GetClientRect (hwnd, &rect);
1862 rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1863 CB_GETITEMHEIGHT, -1, 0);
1864 rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1865 pt.x = (short)LOWORD(lParam);
1866 pt.y = (short)HIWORD(lParam);
1867 if (PtInRect(&rect, pt))
1868 break;
1869
1870 infoPtr->flags |= WCBE_MOUSECAPTURED;
1871 SetCapture(hwnd);
1872 return 0;
1873
1874 case WM_LBUTTONUP:
1875 if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1876 break;
1877
1878 ReleaseCapture();
1879 infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1880 if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1881 infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1882 } else {
1883 SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1884 }
1885 return 0;
1886
1887 case WM_MOUSEMOVE:
1888 if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
1889 !(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
1890 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1891 COMBOEX_NotifyDragBegin(infoPtr, edit_text);
1892 infoPtr->flags |= WCBE_MOUSEDRAGGED;
1893 }
1894 break;
1895
1896 case WM_COMMAND:
1897 switch (HIWORD(wParam)) {
1898
1899 case EN_UPDATE:
1900 /* traces show that COMBOEX does not issue CBN_EDITUPDATE
1901 * on the EN_UPDATE
1902 */
1903 return 0;
1904
1905 case EN_KILLFOCUS:
1906 focusedhwnd = GetFocus();
1907 if (infoPtr->flags & WCBE_ACTEDIT) {
1908 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1909 cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1910 cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1911 CB_GETCURSEL, 0, 0);
1912 cbeend.iWhy = CBENF_KILLFOCUS;
1913
1914 infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1915 if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1916 }
1917 /* possible CB_GETCURSEL */
1918 InvalidateRect (infoPtr->hwndCombo, 0, 0);
1919 if (focusedhwnd)
1920 SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
1921 (WPARAM)focusedhwnd, 0);
1922 return 0;
1923
1924 case EN_SETFOCUS: {
1925 NMHDR hdr;
1926
1927 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
1928 SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
1929 COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
1930 infoPtr->flags |= WCBE_ACTEDIT;
1931 infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
1932 return 0;
1933 }
1934
1935 case EN_CHANGE: {
1936 LPCWSTR lastwrk;
1937 cmp_func_t cmptext = get_cmp_func(infoPtr);
1938
1939 INT_PTR selected = SendMessageW (infoPtr->hwndCombo,
1940 CB_GETCURSEL, 0, 0);
1941
1942 /* lstrlenW( lastworkingURL ) */
1943
1944 GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1945 if (selected == -1) {
1946 lastwrk = infoPtr->edit.pszText;
1947 }
1948 else {
1949 CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
1950 lastwrk = COMBOEX_GetText(infoPtr, item);
1951 }
1952
1953 TRACE("handling EN_CHANGE, selected = %Id, selected_text=%s\n", selected, debugstr_w(lastwrk));
1954 TRACE("handling EN_CHANGE, edittext=%s\n",
1955 debugstr_w(edit_text));
1956
1957 /* cmptext is between lastworkingURL and GetWindowText */
1958 if (cmptext (lastwrk, edit_text)) {
1959 /* strings not equal -- indicate edit has changed */
1960 infoPtr->flags |= WCBE_EDITCHG;
1961 }
1962 SendMessageW ( infoPtr->hwndNotify, WM_COMMAND,
1963 MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
1964 CBN_EDITCHANGE),
1965 (LPARAM)infoPtr->hwndSelf);
1966 return 0;
1967 }
1968
1969 case LBN_SELCHANGE:
1970 default:
1971 break;
1972 }/* fall through */
1973 default:
1974 ;
1975 }
1976
1977 return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1978 }
1979
1980
1981 static LRESULT WINAPI
1982 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1983 {
1984 COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
1985
1986 TRACE("hwnd %p, msg %x, wparam %Ix, lParam %Ix\n", hwnd, uMsg, wParam, lParam);
1987
1988 if (!infoPtr) {
1989 if (uMsg == WM_CREATE)
1990 return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
1991 if (uMsg == WM_NCCREATE)
1992 COMBOEX_NCCreate (hwnd);
1993 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1994 }
1995
1996 switch (uMsg)
1997 {
1998 case CBEM_DELETEITEM:
1999 return COMBOEX_DeleteItem (infoPtr, wParam);
2000
2001 case CBEM_GETCOMBOCONTROL:
2002 return (LRESULT)infoPtr->hwndCombo;
2003
2004 case CBEM_GETEDITCONTROL:
2005 return (LRESULT)infoPtr->hwndEdit;
2006
2007 case CBEM_GETEXTENDEDSTYLE:
2008 return infoPtr->dwExtStyle;
2009
2010 case CBEM_GETIMAGELIST:
2011 return (LRESULT)infoPtr->himl;
2012
2013 case CBEM_GETITEMA:
2014 return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2015
2016 case CBEM_GETITEMW:
2017 return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2018
2019 case CBEM_GETUNICODEFORMAT:
2020 return infoPtr->unicode;
2021
2022 case CBEM_HASEDITCHANGED:
2023 return COMBOEX_HasEditChanged (infoPtr);
2024
2025 case CBEM_INSERTITEMA:
2026 return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2027
2028 case CBEM_INSERTITEMW:
2029 return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2030
2031 case CBEM_SETEXSTYLE:
2032 case CBEM_SETEXTENDEDSTYLE:
2033 return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2034
2035 case CBEM_SETIMAGELIST:
2036 return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2037
2038 case CBEM_SETITEMA:
2039 return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2040
2041 case CBEM_SETITEMW:
2042 return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2043
2044 case CBEM_SETUNICODEFORMAT:
2045 return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2046
2047 /*case CBEM_SETWINDOWTHEME:
2048 FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2049
2050 case WM_SETTEXT:
2051 case WM_GETTEXT:
2052 case WM_GETTEXTLENGTH:
2053 return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2054
2055 case CB_GETLBTEXT:
2056 return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2057
2058 case CB_GETLBTEXTLEN:
2059 return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2060
2061 case CB_RESETCONTENT:
2062 COMBOEX_ResetContent(infoPtr);
2063 /* fall through */
2064
2065 /* Combo messages we are not sure if we need to process or just forward */
2066 case CB_GETDROPPEDCONTROLRECT:
2067 case CB_GETITEMHEIGHT:
2068 case CB_GETEXTENDEDUI:
2069 case CB_LIMITTEXT:
2070 case CB_SELECTSTRING:
2071
2072 /* Combo messages OK to just forward to the regular COMBO */
2073 case CB_GETCOUNT:
2074 case CB_GETCURSEL:
2075 case CB_GETDROPPEDSTATE:
2076 case CB_SETDROPPEDWIDTH:
2077 case CB_SETEXTENDEDUI:
2078 case CB_SHOWDROPDOWN:
2079 return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2080
2081 /* Combo messages we need to process specially */
2082 case CB_FINDSTRINGEXACT:
2083 return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2084
2085 case CB_GETITEMDATA:
2086 return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2087
2088 case CB_SETCURSEL:
2089 return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2090
2091 case CB_SETITEMDATA:
2092 return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2093
2094 case CB_SETITEMHEIGHT:
2095 return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2096
2097
2098
2099 /* Window messages passed to parent */
2100 case WM_COMMAND:
2101 return COMBOEX_Command (infoPtr, wParam);
2102
2103 case WM_NOTIFY:
2104 if (infoPtr->NtfUnicode)
2105 return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2106 else
2107 return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2108
2109
2110 /* Window messages we need to process */
2111 case WM_DELETEITEM:
2112 return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2113
2114 case WM_DRAWITEM:
2115 return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2116
2117 case WM_DESTROY:
2118 return COMBOEX_Destroy (infoPtr);
2119
2120 case WM_ENABLE:
2121 return COMBOEX_Enable (infoPtr, (BOOL)wParam);
2122
2123 case WM_MEASUREITEM:
2124 return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2125
2126 case WM_NOTIFYFORMAT:
2127 return COMBOEX_NotifyFormat (infoPtr, lParam);
2128
2129 case WM_SIZE:
2130 return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2131
2132 case WM_GETFONT:
2133 return (LRESULT)infoPtr->font;
2134
2135 case WM_SETFONT:
2136 return COMBOEX_SetFont( infoPtr, (HFONT)wParam, LOWORD(lParam) != 0 );
2137
2138 case WM_SETREDRAW:
2139 return COMBOEX_SetRedraw(infoPtr, wParam, lParam);
2140
2141 case WM_WINDOWPOSCHANGING:
2142 return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2143
2144 case WM_SETFOCUS:
2145 if (infoPtr->hwndEdit) SetFocus( infoPtr->hwndEdit );
2146 else SetFocus( infoPtr->hwndCombo );
2147 return 0;
2148
2149 case WM_SYSCOLORCHANGE:
2150 COMCTL32_RefreshSysColors();
2151 return 0;
2152
2153 default:
2154 if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2155 ERR("unknown msg %04x, wp %#Ix, lp %#Ix\n",uMsg,wParam,lParam);
2156 return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2157 }
2158 }
2159
2160
2161 void COMBOEX_Register (void)
2162 {
2163 WNDCLASSW wndClass;
2164
2165 ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2166 wndClass.style = CS_GLOBALCLASS;
2167 wndClass.lpfnWndProc = COMBOEX_WindowProc;
2168 wndClass.cbClsExtra = 0;
2169 wndClass.cbWndExtra = sizeof(COMBOEX_INFO *);
2170 wndClass.hCursor = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2171 wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2172 wndClass.lpszClassName = WC_COMBOBOXEXW;
2173
2174 RegisterClassW (&wndClass);
2175 }
2176
2177
2178 void COMBOEX_Unregister (void)
2179 {
2180 UnregisterClassW (WC_COMBOBOXEXW, NULL);
2181 }
Windows API implementation