xref: /reactos/dll/win32/comctl32/comboex.c (revision 0707475f)
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 
is_textW(LPCWSTR str)123 static inline BOOL is_textW(LPCWSTR str)
124 {
125     return str && str != LPSTR_TEXTCALLBACKW;
126 }
127 
is_textA(LPCSTR str)128 static inline BOOL is_textA(LPCSTR str)
129 {
130     return str && str != LPSTR_TEXTCALLBACKA;
131 }
132 
debugstr_txt(LPCWSTR str)133 static inline LPCSTR debugstr_txt(LPCWSTR str)
134 {
135     if (str == LPSTR_TEXTCALLBACKW) return "(callback)";
136     return debugstr_w(str);
137 }
138 
COMBOEX_DumpItem(CBE_ITEMDATA const * item)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=%08lx\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 
COMBOEX_DumpInput(COMBOBOXEXITEMW const * input)150 static void COMBOEX_DumpInput (COMBOBOXEXITEMW const *input)
151 {
152     TRACE("input - mask=%08x, iItem=%ld, 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=%08lx\n",
158           input->iSelectedImage, input->iOverlay, input->iIndent, input->lParam);
159 }
160 
161 
get_item_data(const COMBOEX_INFO * infoPtr,INT index)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 
get_cmp_func(COMBOEX_INFO const * infoPtr)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 
COMBOEX_Notify(const COMBOEX_INFO * infoPtr,INT code,NMHDR * hdr)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
COMBOEX_NotifyItem(const COMBOEX_INFO * infoPtr,UINT code,NMCOMBOBOXEXW * hdr)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 
COMBOEX_NotifyEndEdit(const COMBOEX_INFO * infoPtr,NMCBEENDEDITW * neew,LPCWSTR wstr)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 
COMBOEX_NotifyDragBegin(const COMBOEX_INFO * infoPtr,LPCWSTR wstr)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 
COMBOEX_FreeText(CBE_ITEMDATA * item)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 
COMBOEX_GetIndex(COMBOEX_INFO const * infoPtr,CBE_ITEMDATA const * item)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 
COMBOEX_GetText(const COMBOEX_INFO * infoPtr,CBE_ITEMDATA * item)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 
COMBOEX_GetComboFontSize(const COMBOEX_INFO * infoPtr,SIZE * size)328 static void COMBOEX_GetComboFontSize (const COMBOEX_INFO *infoPtr, SIZE *size)
329 {
330     static const WCHAR strA[] = { 'A', 0 };
331     HFONT nfont, ofont;
332     HDC mydc;
333 
334     mydc = GetDC (0); /* why the entire screen???? */
335     nfont = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
336     ofont = SelectObject (mydc, nfont);
337     GetTextExtentPointW (mydc, strA, 1, size);
338     SelectObject (mydc, ofont);
339     ReleaseDC (0, mydc);
340     TRACE("selected font hwnd=%p, height=%d\n", nfont, size->cy);
341 }
342 
343 
COMBOEX_CopyItem(const CBE_ITEMDATA * item,COMBOBOXEXITEMW * cit)344 static void COMBOEX_CopyItem (const CBE_ITEMDATA *item, COMBOBOXEXITEMW *cit)
345 {
346     if (cit->mask & CBEIF_TEXT) {
347         /*
348          * when given a text buffer actually use that buffer
349          */
350         if (cit->pszText) {
351 	    if (is_textW(item->pszText))
352                 lstrcpynW(cit->pszText, item->pszText, cit->cchTextMax);
353 	    else
354 		cit->pszText[0] = 0;
355         } else {
356             cit->pszText        = item->pszText;
357             cit->cchTextMax     = item->cchTextMax;
358         }
359     }
360     if (cit->mask & CBEIF_IMAGE)
361 	cit->iImage         = item->iImage;
362     if (cit->mask & CBEIF_SELECTEDIMAGE)
363 	cit->iSelectedImage = item->iSelectedImage;
364     if (cit->mask & CBEIF_OVERLAY)
365 	cit->iOverlay       = item->iOverlay;
366     if (cit->mask & CBEIF_INDENT)
367 	cit->iIndent        = item->iIndent;
368     if (cit->mask & CBEIF_LPARAM)
369 	cit->lParam         = item->lParam;
370 }
371 
372 
COMBOEX_AdjustEditPos(const COMBOEX_INFO * infoPtr)373 static void COMBOEX_AdjustEditPos (const COMBOEX_INFO *infoPtr)
374 {
375     SIZE mysize;
376     INT x, y, w, h, xioff;
377     RECT rect;
378 
379     if (!infoPtr->hwndEdit) return;
380 
381     if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
382     	IMAGEINFO iinfo;
383         iinfo.rcImage.left = iinfo.rcImage.right = 0;
384 	ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
385 	xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
386     }  else xioff = 0;
387 
388     GetClientRect (infoPtr->hwndCombo, &rect);
389     InflateRect (&rect, -2, -2);
390     InvalidateRect (infoPtr->hwndCombo, &rect, TRUE);
391 
392     /* reposition the Edit control based on whether icon exists */
393     COMBOEX_GetComboFontSize (infoPtr, &mysize);
394     TRACE("Combo font x=%d, y=%d\n", mysize.cx, mysize.cy);
395     x = xioff + CBE_STARTOFFSET + 1;
396     w = rect.right-rect.left - x - GetSystemMetrics(SM_CXVSCROLL) - 1;
397     h = mysize.cy + 1;
398     y = rect.bottom - h - 1;
399 
400     TRACE("Combo client (%s), setting Edit to (%d,%d)-(%d,%d)\n",
401           wine_dbgstr_rect(&rect), x, y, x + w, y + h);
402     SetWindowPos(infoPtr->hwndEdit, HWND_TOP, x, y, w, h,
403 		 SWP_SHOWWINDOW | SWP_NOACTIVATE | SWP_NOZORDER);
404 }
405 
406 
COMBOEX_ReSize(const COMBOEX_INFO * infoPtr)407 static void COMBOEX_ReSize (const COMBOEX_INFO *infoPtr)
408 {
409     SIZE mysize;
410     LONG cy;
411     IMAGEINFO iinfo;
412 
413     COMBOEX_GetComboFontSize (infoPtr, &mysize);
414     cy = mysize.cy + CBE_EXTRA;
415     if (infoPtr->himl && ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo)) {
416 	cy = max (iinfo.rcImage.bottom - iinfo.rcImage.top, cy);
417 	TRACE("upgraded height due to image:  height=%d\n", cy);
418     }
419     SendMessageW (infoPtr->hwndSelf, CB_SETITEMHEIGHT, -1, cy);
420     if (infoPtr->hwndCombo) {
421         SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT, 0, cy);
422 	if ( !(infoPtr->flags & CBES_EX_NOSIZELIMIT)) {
423 	    RECT comboRect, ourRect;
424 	    GetWindowRect(infoPtr->hwndCombo, &comboRect);
425             GetWindowRect(infoPtr->hwndSelf, &ourRect);
426             if (comboRect.bottom > ourRect.bottom)
427                 SetWindowPos( infoPtr->hwndSelf, 0, 0, 0, ourRect.right - ourRect.left,
428                               comboRect.bottom - comboRect.top,
429                               SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW );
430 	}
431     }
432 }
433 
434 
COMBOEX_SetEditText(const COMBOEX_INFO * infoPtr,CBE_ITEMDATA * item)435 static void COMBOEX_SetEditText (const COMBOEX_INFO *infoPtr, CBE_ITEMDATA *item)
436 {
437     if (!infoPtr->hwndEdit) return;
438 
439     if (item->mask & CBEIF_TEXT) {
440 	SendMessageW (infoPtr->hwndEdit, WM_SETTEXT, 0, (LPARAM)COMBOEX_GetText(infoPtr, item));
441 	SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
442 	SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
443     }
444 }
445 
446 
COMBOEX_FindItem(COMBOEX_INFO * infoPtr,INT_PTR index)447 static CBE_ITEMDATA *COMBOEX_FindItem(COMBOEX_INFO *infoPtr, INT_PTR index)
448 {
449     CBE_ITEMDATA *item;
450     INT i;
451 
452     if ((index >= infoPtr->nb_items) || (index < -1))
453 	return NULL;
454     if (index == -1)
455 	return &infoPtr->edit;
456     item = infoPtr->items;
457     i = infoPtr->nb_items - 1;
458 
459     /* find the item in the list */
460     while (item && (i > index)) {
461 	item = item->next;
462 	i--;
463     }
464     if (!item || (i != index)) {
465 	ERR("COMBOBOXEX item structures broken. Please report!\n");
466 	return 0;
467     }
468     return item;
469 }
470 
471 /* ***  CBEM_xxx message support  *** */
472 
COMBOEX_GetListboxText(COMBOEX_INFO * infoPtr,INT_PTR n,LPWSTR buf)473 static UINT COMBOEX_GetListboxText(COMBOEX_INFO *infoPtr, INT_PTR n, LPWSTR buf)
474 {
475     CBE_ITEMDATA *item;
476     LPCWSTR str;
477 
478     item = COMBOEX_FindItem(infoPtr, n);
479     if (!item)
480         return 0;
481 
482     str = COMBOEX_GetText(infoPtr, item);
483     if (!str)
484     {
485         if (buf)
486         {
487             if (infoPtr->unicode)
488                 buf[0] = 0;
489             else
490                 *((LPSTR)buf) = 0;
491         }
492         return 0;
493     }
494 
495     if (infoPtr->unicode)
496     {
497         if (buf)
498             lstrcpyW(buf, str);
499         return lstrlenW(str);
500     }
501     else
502     {
503         UINT r;
504         r = WideCharToMultiByte(CP_ACP, 0, str, -1, (LPSTR)buf, 0x40000000, NULL, NULL);
505         if (r) r--;
506         return r;
507     }
508 }
509 
510 
COMBOEX_DeleteItem(COMBOEX_INFO * infoPtr,INT_PTR index)511 static INT COMBOEX_DeleteItem (COMBOEX_INFO *infoPtr, INT_PTR index)
512 {
513     TRACE("(index=%ld)\n", index);
514 
515     /* if item number requested does not exist then return failure */
516     if ((index >= infoPtr->nb_items) || (index < 0)) return CB_ERR;
517     if (!COMBOEX_FindItem(infoPtr, index)) return CB_ERR;
518 
519     /* doing this will result in WM_DELETEITEM being issued */
520     SendMessageW (infoPtr->hwndCombo, CB_DELETESTRING, index, 0);
521 
522     return infoPtr->nb_items;
523 }
524 
525 
COMBOEX_GetItemW(COMBOEX_INFO * infoPtr,COMBOBOXEXITEMW * cit)526 static BOOL COMBOEX_GetItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW *cit)
527 {
528     INT_PTR index = cit->iItem;
529     CBE_ITEMDATA *item;
530 
531     TRACE("\n");
532 
533     /* if item number requested does not exist then return failure */
534     if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
535 
536     /* if the item is the edit control and there is no edit control, skip */
537     if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
538 
539     if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
540 
541     COMBOEX_CopyItem (item, cit);
542 
543     return TRUE;
544 }
545 
546 
COMBOEX_GetItemA(COMBOEX_INFO * infoPtr,COMBOBOXEXITEMA * cit)547 static BOOL COMBOEX_GetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA *cit)
548 {
549     COMBOBOXEXITEMW tmpcit;
550 
551     TRACE("\n");
552 
553     tmpcit.mask = cit->mask;
554     tmpcit.iItem = cit->iItem;
555     tmpcit.pszText = 0;
556     if(!COMBOEX_GetItemW (infoPtr, &tmpcit)) return FALSE;
557 
558     if (cit->mask & CBEIF_TEXT)
559     {
560         if (is_textW(tmpcit.pszText) && cit->pszText)
561             WideCharToMultiByte(CP_ACP, 0, tmpcit.pszText, -1,
562                                 cit->pszText, cit->cchTextMax, NULL, NULL);
563         else if (cit->pszText) cit->pszText[0] = 0;
564         else cit->pszText = (LPSTR)tmpcit.pszText;
565     }
566 
567     if (cit->mask & CBEIF_IMAGE)
568         cit->iImage = tmpcit.iImage;
569     if (cit->mask & CBEIF_SELECTEDIMAGE)
570         cit->iSelectedImage = tmpcit.iSelectedImage;
571     if (cit->mask & CBEIF_OVERLAY)
572         cit->iOverlay = tmpcit.iOverlay;
573     if (cit->mask & CBEIF_INDENT)
574         cit->iIndent = tmpcit.iIndent;
575     if (cit->mask & CBEIF_LPARAM)
576         cit->lParam = tmpcit.lParam;
577 
578     return TRUE;
579 }
580 
581 
COMBOEX_HasEditChanged(COMBOEX_INFO const * infoPtr)582 static inline BOOL COMBOEX_HasEditChanged (COMBOEX_INFO const *infoPtr)
583 {
584     return infoPtr->hwndEdit && (infoPtr->flags & WCBE_EDITHASCHANGED) == WCBE_EDITHASCHANGED;
585 }
586 
587 
COMBOEX_InsertItemW(COMBOEX_INFO * infoPtr,COMBOBOXEXITEMW const * cit)588 static INT COMBOEX_InsertItemW (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMW const *cit)
589 {
590     INT_PTR index;
591     CBE_ITEMDATA *item;
592     NMCOMBOBOXEXW nmcit;
593 
594     TRACE("\n");
595 
596     if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
597 
598     /* get real index of item to insert */
599     index = cit->iItem;
600     if (index == -1) index = infoPtr->nb_items;
601     if (index > infoPtr->nb_items) return -1;
602 
603     /* get zero-filled space and chain it in */
604     if(!(item = Alloc (sizeof(*item)))) return -1;
605 
606     /* locate position to insert new item in */
607     if (index == infoPtr->nb_items) {
608         /* fast path for iItem = -1 */
609         item->next = infoPtr->items;
610 	infoPtr->items = item;
611     }
612     else {
613         INT i = infoPtr->nb_items-1;
614 	CBE_ITEMDATA *moving = infoPtr->items;
615 
616 	while ((i > index) && moving) {
617 	    moving = moving->next;
618 	    i--;
619 	}
620 	if (!moving) {
621 	    ERR("COMBOBOXEX item structures broken. Please report!\n");
622 	    Free(item);
623 	    return -1;
624 	}
625 	item->next = moving->next;
626 	moving->next = item;
627     }
628 
629     /* fill in our hidden item structure */
630     item->mask = cit->mask;
631     if (item->mask & CBEIF_TEXT) {
632 	INT len = 0;
633 
634         if (is_textW(cit->pszText)) len = lstrlenW (cit->pszText);
635 	if (len > 0) {
636             item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
637 	    if (!item->pszText) {
638 		Free(item);
639 		return -1;
640 	    }
641 	    lstrcpyW (item->pszText, cit->pszText);
642 	}
643 	else if (cit->pszText == LPSTR_TEXTCALLBACKW)
644 	    item->pszText = LPSTR_TEXTCALLBACKW;
645         item->cchTextMax = cit->cchTextMax;
646     }
647     if (item->mask & CBEIF_IMAGE)
648         item->iImage = cit->iImage;
649     if (item->mask & CBEIF_SELECTEDIMAGE)
650         item->iSelectedImage = cit->iSelectedImage;
651     if (item->mask & CBEIF_OVERLAY)
652         item->iOverlay = cit->iOverlay;
653     if (item->mask & CBEIF_INDENT)
654         item->iIndent = cit->iIndent;
655     if (item->mask & CBEIF_LPARAM)
656         item->lParam = cit->lParam;
657     infoPtr->nb_items++;
658 
659     if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
660 
661     SendMessageW (infoPtr->hwndCombo, CB_INSERTSTRING, cit->iItem, (LPARAM)item);
662 
663     memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
664     nmcit.ceItem.mask=~0;
665     COMBOEX_CopyItem (item, &nmcit.ceItem);
666     COMBOEX_NotifyItem (infoPtr, CBEN_INSERTITEM, &nmcit);
667 
668     return index;
669 
670 }
671 
672 
COMBOEX_InsertItemA(COMBOEX_INFO * infoPtr,COMBOBOXEXITEMA const * cit)673 static INT COMBOEX_InsertItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
674 {
675     COMBOBOXEXITEMW citW;
676     LPWSTR wstr = NULL;
677     INT	ret;
678 
679     memcpy(&citW,cit,sizeof(COMBOBOXEXITEMA));
680     if (cit->mask & CBEIF_TEXT && is_textA(cit->pszText)) {
681 	INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
682         wstr = Alloc ((len + 1)*sizeof(WCHAR));
683 	if (!wstr) return -1;
684 	MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
685 	citW.pszText = wstr;
686     }
687     ret = COMBOEX_InsertItemW(infoPtr, &citW);
688 
689     Free(wstr);
690 
691     return ret;
692 }
693 
694 
695 static DWORD
COMBOEX_SetExtendedStyle(COMBOEX_INFO * infoPtr,DWORD mask,DWORD style)696 COMBOEX_SetExtendedStyle (COMBOEX_INFO *infoPtr, DWORD mask, DWORD style)
697 {
698     DWORD dwTemp;
699 
700     TRACE("(mask=x%08x, style=0x%08x)\n", mask, style);
701 
702     dwTemp = infoPtr->dwExtStyle;
703 
704     if (mask)
705 	infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~mask) | style;
706     else
707 	infoPtr->dwExtStyle = style;
708 
709     /* see if we need to change the word break proc on the edit */
710     if ((infoPtr->dwExtStyle ^ dwTemp) & CBES_EX_PATHWORDBREAKPROC)
711         SetPathWordBreakProc(infoPtr->hwndEdit,
712             (infoPtr->dwExtStyle & CBES_EX_PATHWORDBREAKPROC) != 0);
713 
714     /* test if the control's appearance has changed */
715     mask = CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT;
716     if ((infoPtr->dwExtStyle & mask) != (dwTemp & mask)) {
717 	/* if state of EX_NOEDITIMAGE changes, invalidate all */
718 	TRACE("EX_NOEDITIMAGE state changed to %d\n",
719 	      infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGE);
720 	InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
721 	COMBOEX_AdjustEditPos (infoPtr);
722 	if (infoPtr->hwndEdit)
723 	    InvalidateRect (infoPtr->hwndEdit, NULL, TRUE);
724     }
725 
726     return dwTemp;
727 }
728 
729 
COMBOEX_SetImageList(COMBOEX_INFO * infoPtr,HIMAGELIST himl)730 static HIMAGELIST COMBOEX_SetImageList (COMBOEX_INFO *infoPtr, HIMAGELIST himl)
731 {
732     HIMAGELIST himlTemp = infoPtr->himl;
733 
734     TRACE("\n");
735 
736     infoPtr->himl = himl;
737 
738     COMBOEX_ReSize (infoPtr);
739     InvalidateRect (infoPtr->hwndCombo, NULL, TRUE);
740 
741     /* reposition the Edit control based on whether icon exists */
742     COMBOEX_AdjustEditPos (infoPtr);
743     return himlTemp;
744 }
745 
COMBOEX_SetItemW(COMBOEX_INFO * infoPtr,const COMBOBOXEXITEMW * cit)746 static BOOL COMBOEX_SetItemW (COMBOEX_INFO *infoPtr, const COMBOBOXEXITEMW *cit)
747 {
748     INT_PTR index = cit->iItem;
749     CBE_ITEMDATA *item;
750 
751     if (TRACE_ON(comboex)) COMBOEX_DumpInput (cit);
752 
753     /* if item number requested does not exist then return failure */
754     if ((index >= infoPtr->nb_items) || (index < -1)) return FALSE;
755 
756     /* if the item is the edit control and there is no edit control, skip */
757     if ((index == -1) && !infoPtr->hwndEdit) return FALSE;
758 
759     if (!(item = COMBOEX_FindItem(infoPtr, index))) return FALSE;
760 
761     /* add/change stuff to the internal item structure */
762     item->mask |= cit->mask;
763     if (cit->mask & CBEIF_TEXT) {
764 	INT len = 0;
765 
766 	COMBOEX_FreeText(item);
767         if (is_textW(cit->pszText)) len = lstrlenW(cit->pszText);
768 	if (len > 0) {
769             item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
770 	    if (!item->pszText) return FALSE;
771 	    lstrcpyW(item->pszText, cit->pszText);
772 	} else if (cit->pszText == LPSTR_TEXTCALLBACKW)
773 	    item->pszText = LPSTR_TEXTCALLBACKW;
774         item->cchTextMax = cit->cchTextMax;
775     }
776     if (cit->mask & CBEIF_IMAGE)
777         item->iImage = cit->iImage;
778     if (cit->mask & CBEIF_SELECTEDIMAGE)
779         item->iSelectedImage = cit->iSelectedImage;
780     if (cit->mask & CBEIF_OVERLAY)
781         item->iOverlay = cit->iOverlay;
782     if (cit->mask & CBEIF_INDENT)
783         item->iIndent = cit->iIndent;
784     if (cit->mask & CBEIF_LPARAM)
785         item->lParam = cit->lParam;
786 
787     if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
788 
789     /* if original request was to update edit control, do some fast foot work */
790     if (cit->iItem == -1 && cit->mask & CBEIF_TEXT) {
791 	COMBOEX_SetEditText (infoPtr, item);
792 	RedrawWindow (infoPtr->hwndCombo, 0, 0, RDW_ERASE | RDW_INVALIDATE);
793     }
794     return TRUE;
795 }
796 
COMBOEX_SetItemA(COMBOEX_INFO * infoPtr,COMBOBOXEXITEMA const * cit)797 static BOOL COMBOEX_SetItemA (COMBOEX_INFO *infoPtr, COMBOBOXEXITEMA const *cit)
798 {
799     COMBOBOXEXITEMW citW;
800     LPWSTR wstr = NULL;
801     BOOL ret;
802 
803     memcpy(&citW, cit, sizeof(COMBOBOXEXITEMA));
804     if ((cit->mask & CBEIF_TEXT) && is_textA(cit->pszText)) {
805 	INT len = MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, NULL, 0);
806         wstr = Alloc ((len + 1)*sizeof(WCHAR));
807 	if (!wstr) return FALSE;
808 	MultiByteToWideChar (CP_ACP, 0, cit->pszText, -1, wstr, len);
809 	citW.pszText = wstr;
810     }
811     ret = COMBOEX_SetItemW(infoPtr, &citW);
812 
813     Free(wstr);
814 
815     return ret;
816 }
817 
818 
COMBOEX_SetUnicodeFormat(COMBOEX_INFO * infoPtr,BOOL value)819 static BOOL COMBOEX_SetUnicodeFormat (COMBOEX_INFO *infoPtr, BOOL value)
820 {
821     BOOL bTemp = infoPtr->unicode;
822 
823     TRACE("to %s, was %s\n", value ? "TRUE":"FALSE", bTemp ? "TRUE":"FALSE");
824 
825     infoPtr->unicode = value;
826 
827     return bTemp;
828 }
829 
830 
831 /* ***  CB_xxx message support  *** */
832 
833 static INT
COMBOEX_FindStringExact(const COMBOEX_INFO * infoPtr,INT start,LPCWSTR str)834 COMBOEX_FindStringExact (const COMBOEX_INFO *infoPtr, INT start, LPCWSTR str)
835 {
836     INT i;
837     cmp_func_t cmptext = get_cmp_func(infoPtr);
838     INT count = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
839 
840     /* now search from after starting loc and wrapping back to start */
841     for(i=start+1; i<count; i++) {
842 	CBE_ITEMDATA *item = get_item_data(infoPtr, i);
843 	if ((LRESULT)item == CB_ERR) continue;
844 	if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
845     }
846     for(i=0; i<=start; i++) {
847 	CBE_ITEMDATA *item = get_item_data(infoPtr, i);
848 	if ((LRESULT)item == CB_ERR) continue;
849 	if (cmptext(COMBOEX_GetText(infoPtr, item), str) == 0) return i;
850     }
851     return CB_ERR;
852 }
853 
854 
COMBOEX_GetItemData(COMBOEX_INFO * infoPtr,INT_PTR index)855 static DWORD_PTR COMBOEX_GetItemData (COMBOEX_INFO *infoPtr, INT_PTR index)
856 {
857     CBE_ITEMDATA const *item1;
858     CBE_ITEMDATA const *item2;
859     DWORD_PTR ret = 0;
860 
861     item1 = get_item_data(infoPtr, index);
862     if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
863 	item2 = COMBOEX_FindItem (infoPtr, index);
864 	if (item2 != item1) {
865 	    ERR("data structures damaged!\n");
866 	    return CB_ERR;
867 	}
868 	if (item1->mask & CBEIF_LPARAM) ret = item1->lParam;
869 	TRACE("returning 0x%08lx\n", ret);
870     } else {
871         ret = (DWORD_PTR)item1;
872         TRACE("non-valid result from combo, returning 0x%08lx\n", ret);
873     }
874     return ret;
875 }
876 
877 
COMBOEX_SetCursel(COMBOEX_INFO * infoPtr,INT_PTR index)878 static INT COMBOEX_SetCursel (COMBOEX_INFO *infoPtr, INT_PTR index)
879 {
880     CBE_ITEMDATA *item;
881     INT sel;
882 
883     if (!(item = COMBOEX_FindItem(infoPtr, index)))
884 	return SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
885 
886     TRACE("selecting item %ld text=%s\n", index, debugstr_txt(item->pszText));
887     infoPtr->selected = index;
888 
889     sel = (INT)SendMessageW (infoPtr->hwndCombo, CB_SETCURSEL, index, 0);
890     COMBOEX_SetEditText (infoPtr, item);
891     return sel;
892 }
893 
894 
COMBOEX_SetItemData(COMBOEX_INFO * infoPtr,INT_PTR index,DWORD_PTR data)895 static DWORD_PTR COMBOEX_SetItemData (COMBOEX_INFO *infoPtr, INT_PTR index, DWORD_PTR data)
896 {
897     CBE_ITEMDATA *item1;
898     CBE_ITEMDATA const *item2;
899 
900     item1 = get_item_data(infoPtr, index);
901     if ((item1 != NULL) && ((LRESULT)item1 != CB_ERR)) {
902 	item2 = COMBOEX_FindItem (infoPtr, index);
903 	if (item2 != item1) {
904 	    ERR("data structures damaged!\n");
905 	    return CB_ERR;
906 	}
907 	item1->mask |= CBEIF_LPARAM;
908 	item1->lParam = data;
909 	TRACE("setting lparam to 0x%08lx\n", data);
910 	return 0;
911     }
912     TRACE("non-valid result from combo %p\n", item1);
913     return (DWORD_PTR)item1;
914 }
915 
916 
COMBOEX_SetItemHeight(COMBOEX_INFO const * infoPtr,INT index,UINT height)917 static INT COMBOEX_SetItemHeight (COMBOEX_INFO const *infoPtr, INT index, UINT height)
918 {
919     RECT cb_wrect, cbx_wrect, cbx_crect;
920 
921     /* First, lets forward the message to the normal combo control
922        just like Windows.     */
923     if (infoPtr->hwndCombo)
924        if (SendMessageW (infoPtr->hwndCombo, CB_SETITEMHEIGHT,
925 			 index, height) == CB_ERR) return CB_ERR;
926 
927     GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
928     GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
929     GetClientRect (infoPtr->hwndSelf, &cbx_crect);
930     /* the height of comboex as height of the combo + comboex border */
931     height = cb_wrect.bottom-cb_wrect.top
932              + cbx_wrect.bottom-cbx_wrect.top
933              - (cbx_crect.bottom-cbx_crect.top);
934     TRACE("EX window=(%s), client=(%s)\n",
935           wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
936     TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
937           wine_dbgstr_rect(&cbx_wrect), cbx_wrect.right-cbx_wrect.left, height);
938     SetWindowPos (infoPtr->hwndSelf, HWND_TOP, 0, 0,
939 		  cbx_wrect.right-cbx_wrect.left, height,
940 		  SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
941 
942     return 0;
943 }
944 
945 
946 /* ***  WM_xxx message support  *** */
947 
948 
COMBOEX_Create(HWND hwnd,CREATESTRUCTA const * cs)949 static LRESULT COMBOEX_Create (HWND hwnd, CREATESTRUCTA const *cs)
950 {
951     static const WCHAR NIL[] = { 0 };
952     COMBOEX_INFO *infoPtr;
953     LOGFONTW mylogfont;
954     RECT win_rect;
955     INT i;
956 
957     /* allocate memory for info structure */
958     infoPtr = Alloc (sizeof(COMBOEX_INFO));
959     if (!infoPtr) return -1;
960 
961     /* initialize info structure */
962     /* note that infoPtr is allocated zero-filled */
963 
964     infoPtr->hwndSelf = hwnd;
965     infoPtr->selected = -1;
966 
967     infoPtr->unicode = IsWindowUnicode (hwnd);
968     infoPtr->hwndNotify = cs->hwndParent;
969 
970     i = SendMessageW(infoPtr->hwndNotify, WM_NOTIFYFORMAT, (WPARAM)hwnd, NF_QUERY);
971     if ((i != NFR_ANSI) && (i != NFR_UNICODE)) {
972 	WARN("wrong response to WM_NOTIFYFORMAT (%d), assuming ANSI\n", i);
973 	i = NFR_ANSI;
974     }
975     infoPtr->NtfUnicode = (i == NFR_UNICODE);
976 
977     SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
978 
979     if (TRACE_ON(comboex)) {
980 	RECT client, rect;
981 	GetWindowRect(hwnd, &rect);
982 	GetClientRect(hwnd, &client);
983 	TRACE("EX window=(%s), client=(%s)\n",
984 		wine_dbgstr_rect(&rect), wine_dbgstr_rect(&client));
985     }
986 
987     /* Native version of ComboEx creates the ComboBox with DROPDOWNLIST */
988     /* specified. It then creates its own version of the EDIT control   */
989     /* and makes the ComboBox the parent. This is because a normal      */
990     /* DROPDOWNLIST does not have an EDIT control, but we need one.     */
991     /* We also need to place the edit control at the proper location    */
992     /* (allow space for the icons).                                     */
993 
994     infoPtr->hwndCombo = CreateWindowW (WC_COMBOBOXW, NIL,
995                          WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL |
996                          CBS_NOINTEGRALHEIGHT | CBS_DROPDOWNLIST |
997 			 WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED |
998 			 GetWindowLongW (hwnd, GWL_STYLE),
999 			 cs->y, cs->x, cs->cx, cs->cy, hwnd,
1000 			 (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1001 			 (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1002 
1003     SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID,
1004                       (DWORD_PTR)hwnd);
1005     infoPtr->font = (HFONT)SendMessageW (infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1006 
1007     /*
1008      * Now create our own EDIT control so we can position it.
1009      * It is created only for CBS_DROPDOWN style
1010      */
1011     if ((cs->style & CBS_DROPDOWNLIST) == CBS_DROPDOWN) {
1012 	infoPtr->hwndEdit = CreateWindowExW (0, WC_EDITW, NIL,
1013 		    WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | ES_AUTOHSCROLL,
1014 		    0, 0, 0, 0,  /* will set later */
1015 		    infoPtr->hwndCombo,
1016 		    (HMENU) GetWindowLongPtrW (hwnd, GWLP_ID),
1017 		    (HINSTANCE)GetWindowLongPtrW (hwnd, GWLP_HINSTANCE), NULL);
1018 
1019 	SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID,
1020 	                  (DWORD_PTR)hwnd);
1021 
1022 	infoPtr->font = (HFONT)SendMessageW(infoPtr->hwndCombo, WM_GETFONT, 0, 0);
1023     }
1024 
1025     /*
1026      * Locate the default font if necessary and then set it in
1027      * all associated controls
1028      */
1029     if (!infoPtr->font) {
1030 	SystemParametersInfoW (SPI_GETICONTITLELOGFONT, sizeof(mylogfont),
1031 			       &mylogfont, 0);
1032 	infoPtr->font = infoPtr->defaultFont = CreateFontIndirectW (&mylogfont);
1033     }
1034     SendMessageW (infoPtr->hwndCombo, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1035     if (infoPtr->hwndEdit) {
1036 	SendMessageW (infoPtr->hwndEdit, WM_SETFONT, (WPARAM)infoPtr->font, 0);
1037        SendMessageW (infoPtr->hwndEdit, EM_SETMARGINS, EC_USEFONTINFO, 0);
1038     }
1039 
1040     COMBOEX_ReSize (infoPtr);
1041 
1042     /* Above is fairly certain, below is much less certain. */
1043 
1044     GetWindowRect(hwnd, &win_rect);
1045 
1046     if (TRACE_ON(comboex)) {
1047 	RECT client, rect;
1048 	GetClientRect(hwnd, &client);
1049 	GetWindowRect(infoPtr->hwndCombo, &rect);
1050 	TRACE("EX window=(%s) client=(%s) CB wnd=(%s)\n",
1051 		wine_dbgstr_rect(&win_rect), wine_dbgstr_rect(&client),
1052 		wine_dbgstr_rect(&rect));
1053     }
1054     SetWindowPos(infoPtr->hwndCombo, HWND_TOP, 0, 0,
1055 		 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1056 		 SWP_NOACTIVATE | SWP_NOREDRAW);
1057 
1058     GetWindowRect(infoPtr->hwndCombo, &win_rect);
1059     TRACE("CB window=(%s)\n", wine_dbgstr_rect(&win_rect));
1060     SetWindowPos(hwnd, HWND_TOP, 0, 0,
1061 		 win_rect.right - win_rect.left, win_rect.bottom - win_rect.top,
1062 		 SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE);
1063 
1064     COMBOEX_AdjustEditPos (infoPtr);
1065 
1066     return 0;
1067 }
1068 
1069 
COMBOEX_Command(COMBOEX_INFO * infoPtr,WPARAM wParam)1070 static LRESULT COMBOEX_Command (COMBOEX_INFO *infoPtr, WPARAM wParam)
1071 {
1072     LRESULT lret;
1073     INT command = HIWORD(wParam);
1074     CBE_ITEMDATA *item = 0;
1075     WCHAR wintext[520];
1076     INT cursel, n;
1077     INT_PTR oldItem;
1078     NMCBEENDEDITW cbeend;
1079     DWORD oldflags;
1080     HWND parent = infoPtr->hwndNotify;
1081 
1082     TRACE("for command %d\n", command);
1083 
1084     switch (command)
1085     {
1086     case CBN_DROPDOWN:
1087         SetFocus (infoPtr->hwndCombo);
1088         ShowWindow (infoPtr->hwndEdit, SW_HIDE);
1089         infoPtr->flags |= WCBE_ACTEDIT;
1090         return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1091     case CBN_CLOSEUP:
1092 	SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1093 	ShowWindow (infoPtr->hwndEdit, SW_SHOW);
1094 	InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1095 	if (infoPtr->hwndEdit) InvalidateRect (infoPtr->hwndEdit, 0, TRUE);
1096 	cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1097 	if (cursel == -1) {
1098             cmp_func_t cmptext = get_cmp_func(infoPtr);
1099 	    /* find match from edit against those in Combobox */
1100 	    GetWindowTextW (infoPtr->hwndEdit, wintext, 520);
1101 	    n = SendMessageW (infoPtr->hwndCombo, CB_GETCOUNT, 0, 0);
1102 	    for (cursel = 0; cursel < n; cursel++){
1103                 item = get_item_data(infoPtr, cursel);
1104 		if ((INT_PTR)item == CB_ERR) break;
1105 		if (!cmptext(COMBOEX_GetText(infoPtr, item), wintext)) break;
1106 	    }
1107 	    if ((cursel == n) || ((INT_PTR)item == CB_ERR)) {
1108 		TRACE("failed to find match??? item=%p cursel=%d\n",
1109 		      item, cursel);
1110 		if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1111 		return 0;
1112 	    }
1113 	}
1114 	else {
1115             item = get_item_data(infoPtr, cursel);
1116 	    if ((INT_PTR)item == CB_ERR) {
1117 		TRACE("failed to find match??? item=%p cursel=%d\n",
1118 		      item, cursel);
1119 		if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1120 		return 0;
1121 	    }
1122 	}
1123 
1124 	/* Save flags for testing and reset them */
1125 	oldflags = infoPtr->flags;
1126 	infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1127 
1128 	if (oldflags & WCBE_ACTEDIT) {
1129 	    cbeend.fChanged = (oldflags & WCBE_EDITCHG);
1130 	    cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1131 						 CB_GETCURSEL, 0, 0);
1132 	    cbeend.iWhy = CBENF_DROPDOWN;
1133 
1134 	    if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, COMBOEX_GetText(infoPtr, item))) return 0;
1135 	}
1136 
1137 	/* if selection has changed the set the new current selection */
1138 	cursel = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1139 	if ((oldflags & WCBE_EDITCHG) || (cursel != infoPtr->selected)) {
1140 	    infoPtr->selected = cursel;
1141 	    SendMessageW (infoPtr->hwndSelf, CB_SETCURSEL, cursel, 0);
1142 	    SetFocus(infoPtr->hwndCombo);
1143 	}
1144 	return 0;
1145 
1146     case CBN_SELCHANGE:
1147 	/*
1148 	 * CB_GETCURSEL(Combo)
1149 	 * CB_GETITEMDATA(Combo)   < simulated by COMBOEX_FindItem
1150 	 * lstrlenA
1151 	 * WM_SETTEXT(Edit)
1152 	 * WM_GETTEXTLENGTH(Edit)
1153 	 * WM_GETTEXT(Edit)
1154 	 * EM_SETSEL(Edit, 0,0)
1155 	 * WM_GETTEXTLENGTH(Edit)
1156 	 * WM_GETTEXT(Edit)
1157 	 * EM_SETSEL(Edit, 0,len)
1158 	 * return WM_COMMAND to parent
1159 	 */
1160 	oldItem = SendMessageW (infoPtr->hwndCombo, CB_GETCURSEL, 0, 0);
1161 	if (!(item = COMBOEX_FindItem(infoPtr, oldItem))) {
1162 	    ERR("item %ld not found. Problem!\n", oldItem);
1163 	    break;
1164 	}
1165 	infoPtr->selected = oldItem;
1166 	COMBOEX_SetEditText (infoPtr, item);
1167 	return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1168 
1169     case CBN_SELENDOK:
1170     case CBN_SELENDCANCEL:
1171 	/*
1172 	 * We have to change the handle since we are the control
1173 	 * issuing the message. IE4 depends on this.
1174 	 */
1175 	return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1176 
1177     case CBN_KILLFOCUS:
1178 	SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1179 	if (infoPtr->flags & WCBE_ACTEDIT) {
1180 	    GetWindowTextW (infoPtr->hwndEdit, wintext, 260);
1181 	    cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1182 	    cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1183 						 CB_GETCURSEL, 0, 0);
1184 	    cbeend.iWhy = CBENF_KILLFOCUS;
1185 
1186 	    infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1187 	    if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, wintext)) return 0;
1188 	}
1189 	/* possible CB_GETCURSEL */
1190 	InvalidateRect (infoPtr->hwndCombo, 0, 0);
1191 	return 0;
1192 
1193     case CBN_SETFOCUS:
1194         return SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1195 
1196     default:
1197 	/*
1198 	 * We have to change the handle since we are the control
1199 	 * issuing the message. IE4 depends on this.
1200 	 * We also need to set the focus back to the Edit control
1201 	 * after passing the command to the parent of the ComboEx.
1202 	 */
1203 	lret = SendMessageW (parent, WM_COMMAND, wParam, (LPARAM)infoPtr->hwndSelf);
1204 	if (infoPtr->hwndEdit) SetFocus(infoPtr->hwndEdit);
1205 	return lret;
1206     }
1207     return 0;
1208 }
1209 
1210 
COMBOEX_WM_DeleteItem(COMBOEX_INFO * infoPtr,DELETEITEMSTRUCT const * dis)1211 static BOOL COMBOEX_WM_DeleteItem (COMBOEX_INFO *infoPtr, DELETEITEMSTRUCT const *dis)
1212 {
1213     CBE_ITEMDATA *item, *olditem;
1214     NMCOMBOBOXEXW nmcit;
1215     UINT i;
1216 
1217     TRACE("CtlType=%08x, CtlID=%08x, itemID=%08x, hwnd=%p, data=%08lx\n",
1218 	  dis->CtlType, dis->CtlID, dis->itemID, dis->hwndItem, dis->itemData);
1219 
1220     if (dis->itemID >= infoPtr->nb_items) return FALSE;
1221 
1222     olditem = infoPtr->items;
1223     i = infoPtr->nb_items - 1;
1224 
1225     if (i == dis->itemID) {
1226 	infoPtr->items = infoPtr->items->next;
1227     }
1228     else {
1229 	item = olditem;
1230 	i--;
1231 
1232 	/* find the prior item in the list */
1233 	while (item->next && (i > dis->itemID)) {
1234 	    item = item->next;
1235 	    i--;
1236 	}
1237 	if (!item->next || (i != dis->itemID)) {
1238 	    ERR("COMBOBOXEX item structures broken. Please report!\n");
1239 	    return FALSE;
1240 	}
1241 	olditem = item->next;
1242 	item->next = item->next->next;
1243     }
1244     infoPtr->nb_items--;
1245 
1246     memset (&nmcit.ceItem, 0, sizeof(nmcit.ceItem));
1247     nmcit.ceItem.mask=~0;
1248     COMBOEX_CopyItem (olditem, &nmcit.ceItem);
1249     COMBOEX_NotifyItem (infoPtr, CBEN_DELETEITEM, &nmcit);
1250 
1251     COMBOEX_FreeText(olditem);
1252     Free(olditem);
1253 
1254     return TRUE;
1255 }
1256 
1257 
COMBOEX_DrawItem(COMBOEX_INFO * infoPtr,DRAWITEMSTRUCT const * dis)1258 static LRESULT COMBOEX_DrawItem (COMBOEX_INFO *infoPtr, DRAWITEMSTRUCT const *dis)
1259 {
1260     static const WCHAR nil[] = { 0 };
1261     CBE_ITEMDATA *item = NULL;
1262     SIZE txtsize;
1263     RECT rect;
1264     LPCWSTR str = nil;
1265     UINT xbase, x, y;
1266     INT len;
1267     COLORREF nbkc, ntxc, bkc, txc;
1268     int drawimage, drawstate, xioff, selected;
1269 
1270     TRACE("DRAWITEMSTRUCT: CtlType=0x%08x CtlID=0x%08x\n",
1271 	  dis->CtlType, dis->CtlID);
1272     TRACE("itemID=0x%08x itemAction=0x%08x itemState=0x%08x\n",
1273 	  dis->itemID, dis->itemAction, dis->itemState);
1274     TRACE("hWnd=%p hDC=%p (%s) itemData=0x%08lx\n",
1275           dis->hwndItem, dis->hDC, wine_dbgstr_rect(&dis->rcItem), dis->itemData);
1276 
1277     /* MSDN says:                                                       */
1278     /*     "itemID - Specifies the menu item identifier for a menu      */
1279     /*      item or the index of the item in a list box or combo box.   */
1280     /*      For an empty list box or combo box, this member can be -1.  */
1281     /*      This allows the application to draw only the focus          */
1282     /*      rectangle at the coordinates specified by the rcItem        */
1283     /*      member even though there are no items in the control.       */
1284     /*      This indicates to the user whether the list box or combo    */
1285     /*      box has the focus. How the bits are set in the itemAction   */
1286     /*      member determines whether the rectangle is to be drawn as   */
1287     /*      though the list box or combo box has the focus.             */
1288     if (dis->itemID == 0xffffffff) {
1289 	if ( ( (dis->itemAction & ODA_FOCUS) && (dis->itemState & ODS_SELECTED)) ||
1290 	     ( (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) && (dis->itemState & ODS_FOCUS) ) ) {
1291 
1292             TRACE("drawing item -1 special focus, rect=(%s)\n",
1293                   wine_dbgstr_rect(&dis->rcItem));
1294 	}
1295 	else if ((dis->CtlType == ODT_COMBOBOX) &&
1296 		 (dis->itemAction == ODA_DRAWENTIRE)) {
1297 	    /* draw of edit control data */
1298 
1299 	    if (TRACE_ON(comboex)) {
1300 		RECT exrc, cbrc, edrc;
1301 		GetWindowRect (infoPtr->hwndSelf, &exrc);
1302 		GetWindowRect (infoPtr->hwndCombo, &cbrc);
1303                 SetRect(&edrc, -1, -1, -1, -1);
1304 		if (infoPtr->hwndEdit) GetWindowRect (infoPtr->hwndEdit, &edrc);
1305                 TRACE("window rects ex=(%s), cb=(%s), ed=(%s)\n",
1306                       wine_dbgstr_rect(&exrc), wine_dbgstr_rect(&cbrc),
1307                       wine_dbgstr_rect(&edrc));
1308 	    }
1309 	}
1310 	else {
1311             ERR("NOT drawing item  -1 special focus, rect=(%s), action=%08x, state=%08x\n",
1312                 wine_dbgstr_rect(&dis->rcItem),
1313                 dis->itemAction, dis->itemState);
1314 	    return 0;
1315 	}
1316     }
1317 
1318     /* If draw item is -1 (edit control) setup the item pointer */
1319     if (dis->itemID == 0xffffffff) {
1320         item = &infoPtr->edit;
1321 
1322 	if (infoPtr->hwndEdit) {
1323 	    /* free previous text of edit item */
1324 	    COMBOEX_FreeText(item);
1325 	    item->mask &= ~CBEIF_TEXT;
1326 	    if( (len = GetWindowTextLengthW(infoPtr->hwndEdit)) ) {
1327 		item->mask |= CBEIF_TEXT;
1328                 item->pszText = Alloc ((len + 1)*sizeof(WCHAR));
1329 		if (item->pszText)
1330 		    GetWindowTextW(infoPtr->hwndEdit, item->pszText, len+1);
1331 
1332 	       TRACE("edit control hwndEdit=%p, text len=%d str=%s\n",
1333 		     infoPtr->hwndEdit, len, debugstr_txt(item->pszText));
1334 	    }
1335 	}
1336     }
1337 
1338 
1339     /* if the item pointer is not set, then get the data and locate it */
1340     if (!item) {
1341         item = get_item_data(infoPtr, dis->itemID);
1342 	if (item == (CBE_ITEMDATA *)CB_ERR) {
1343 	    ERR("invalid item for id %d\n", dis->itemID);
1344 	    return 0;
1345 	}
1346     }
1347 
1348     if (TRACE_ON(comboex)) COMBOEX_DumpItem (item);
1349 
1350     xbase = CBE_STARTOFFSET;
1351     if ((item->mask & CBEIF_INDENT) && (dis->itemState & ODS_COMBOEXLBOX)) {
1352 	INT indent = item->iIndent;
1353 	if (indent == I_INDENTCALLBACK) {
1354 	    NMCOMBOBOXEXW nmce;
1355 	    ZeroMemory(&nmce, sizeof(nmce));
1356 	    nmce.ceItem.mask = CBEIF_INDENT;
1357 	    nmce.ceItem.lParam = item->lParam;
1358 	    nmce.ceItem.iItem = dis->itemID;
1359 	    COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1360 	    if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1361 		item->iIndent = nmce.ceItem.iIndent;
1362 	    indent = nmce.ceItem.iIndent;
1363 	}
1364         xbase += (indent * CBE_INDENT);
1365     }
1366 
1367     drawimage = -2;
1368     drawstate = ILD_NORMAL;
1369     selected = infoPtr->selected == dis->itemID;
1370 
1371     if (item->mask & CBEIF_IMAGE)
1372 	drawimage = item->iImage;
1373     if (item->mask & CBEIF_SELECTEDIMAGE && selected)
1374         drawimage = item->iSelectedImage;
1375     if (dis->itemState & ODS_COMBOEXLBOX) {
1376 	/* drawing listbox entry */
1377 	if (dis->itemState & ODS_SELECTED)
1378 	    drawstate = ILD_SELECTED;
1379     } else {
1380 	/* drawing combo/edit entry */
1381 	if (IsWindowVisible(infoPtr->hwndEdit)) {
1382 	    /* if we have an edit control, the slave the
1383              * selection state to the Edit focus state
1384 	     */
1385 	    if (infoPtr->flags & WCBE_EDITFOCUSED)
1386 		drawstate = ILD_SELECTED;
1387 	} else
1388 	    /* if we don't have an edit control, use
1389 	     * the requested state.
1390 	     */
1391 	    if (dis->itemState & ODS_SELECTED)
1392 		drawstate = ILD_SELECTED;
1393     }
1394 
1395     if (infoPtr->himl && !(infoPtr->dwExtStyle & CBES_EX_NOEDITIMAGEINDENT)) {
1396     	IMAGEINFO iinfo;
1397         iinfo.rcImage.left = iinfo.rcImage.right = 0;
1398 	ImageList_GetImageInfo(infoPtr->himl, 0, &iinfo);
1399 	xioff = iinfo.rcImage.right - iinfo.rcImage.left + CBE_SEP;
1400     }  else xioff = 0;
1401 
1402     /* setup pointer to text to be drawn */
1403     str = COMBOEX_GetText(infoPtr, item);
1404     if (!str) str = nil;
1405 
1406     len = lstrlenW (str);
1407     GetTextExtentPoint32W (dis->hDC, str, len, &txtsize);
1408 
1409     if (dis->itemAction & (ODA_SELECT | ODA_DRAWENTIRE)) {
1410 	int overlay = item->iOverlay;
1411 
1412     	if (drawimage == I_IMAGECALLBACK) {
1413 	    NMCOMBOBOXEXW nmce;
1414 	    ZeroMemory(&nmce, sizeof(nmce));
1415 	    nmce.ceItem.mask = selected ? CBEIF_SELECTEDIMAGE : CBEIF_IMAGE;
1416 	    nmce.ceItem.lParam = item->lParam;
1417 	    nmce.ceItem.iItem = dis->itemID;
1418 	    COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1419 	    if (!selected) {
1420 	    	if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iImage = nmce.ceItem.iImage;
1421 	    	drawimage = nmce.ceItem.iImage;
1422 	    } else {
1423 	        if (nmce.ceItem.mask & CBEIF_DI_SETITEM) item->iSelectedImage = nmce.ceItem.iSelectedImage;
1424                 drawimage = nmce.ceItem.iSelectedImage;
1425 	    }
1426         }
1427 
1428 	if (overlay == I_IMAGECALLBACK) {
1429 	    NMCOMBOBOXEXW nmce;
1430 	    ZeroMemory(&nmce, sizeof(nmce));
1431 	    nmce.ceItem.mask = CBEIF_OVERLAY;
1432 	    nmce.ceItem.lParam = item->lParam;
1433 	    nmce.ceItem.iItem = dis->itemID;
1434 	    COMBOEX_NotifyItem(infoPtr, CBEN_GETDISPINFOW, &nmce);
1435 	    if (nmce.ceItem.mask & CBEIF_DI_SETITEM)
1436 		item->iOverlay = nmce.ceItem.iOverlay;
1437 	    overlay = nmce.ceItem.iOverlay;
1438 	}
1439 
1440 	if (drawimage >= 0 &&
1441 	    !(infoPtr->dwExtStyle & (CBES_EX_NOEDITIMAGE | CBES_EX_NOEDITIMAGEINDENT))) {
1442 	    if (overlay > 0) ImageList_SetOverlayImage (infoPtr->himl, overlay, 1);
1443 	    ImageList_Draw (infoPtr->himl, drawimage, dis->hDC, xbase, dis->rcItem.top,
1444 			    drawstate | (overlay > 0 ? INDEXTOOVERLAYMASK(1) : 0));
1445 	}
1446 
1447 	/* now draw the text */
1448 	if (!IsWindowVisible (infoPtr->hwndEdit)) {
1449 	    nbkc = (dis->itemState & ODS_SELECTED) ?
1450 	            comctl32_color.clrHighlight : comctl32_color.clrWindow;
1451 	    bkc = SetBkColor (dis->hDC, nbkc);
1452 	    ntxc = (dis->itemState & ODS_SELECTED) ?
1453 	            comctl32_color.clrHighlightText : comctl32_color.clrWindowText;
1454 	    txc = SetTextColor (dis->hDC, ntxc);
1455 	    x = xbase + xioff;
1456 	    y = dis->rcItem.top +
1457 	        (dis->rcItem.bottom - dis->rcItem.top - txtsize.cy) / 2;
1458             SetRect(&rect, x, dis->rcItem.top + 1, x + txtsize.cx, dis->rcItem.bottom - 1);
1459             TRACE("drawing item %d text, rect=(%s)\n",
1460                   dis->itemID, wine_dbgstr_rect(&rect));
1461 	    ExtTextOutW (dis->hDC, x, y, ETO_OPAQUE | ETO_CLIPPED,
1462 		         &rect, str, len, 0);
1463 	    SetBkColor (dis->hDC, bkc);
1464 	    SetTextColor (dis->hDC, txc);
1465 	}
1466     }
1467 
1468     if (dis->itemAction & ODA_FOCUS) {
1469 	rect.left = xbase + xioff - 1;
1470 	rect.right = rect.left + txtsize.cx + 2;
1471 	rect.top = dis->rcItem.top;
1472 	rect.bottom = dis->rcItem.bottom;
1473 	DrawFocusRect(dis->hDC, &rect);
1474     }
1475 
1476     return 0;
1477 }
1478 
1479 
COMBOEX_ResetContent(COMBOEX_INFO * infoPtr)1480 static void COMBOEX_ResetContent (COMBOEX_INFO *infoPtr)
1481 {
1482     if (infoPtr->items)
1483     {
1484         CBE_ITEMDATA *item, *next;
1485 
1486         item = infoPtr->items;
1487         while (item) {
1488             next = item->next;
1489             COMBOEX_FreeText (item);
1490             Free (item);
1491             item = next;
1492         }
1493         infoPtr->items = 0;
1494     }
1495 
1496     infoPtr->selected = -1;
1497     infoPtr->nb_items = 0;
1498 }
1499 
1500 
COMBOEX_Destroy(COMBOEX_INFO * infoPtr)1501 static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
1502 {
1503     if (infoPtr->hwndCombo)
1504         SetWindowSubclass(infoPtr->hwndCombo, COMBOEX_ComboWndProc, COMBO_SUBCLASSID, 0);
1505 
1506     if (infoPtr->hwndEdit)
1507         SetWindowSubclass(infoPtr->hwndEdit, COMBOEX_EditWndProc, EDIT_SUBCLASSID, 0);
1508 
1509     COMBOEX_FreeText (&infoPtr->edit);
1510     COMBOEX_ResetContent (infoPtr);
1511 
1512     if (infoPtr->defaultFont)
1513 	DeleteObject (infoPtr->defaultFont);
1514 
1515     SetWindowLongPtrW (infoPtr->hwndSelf, 0, 0);
1516 
1517     /* free comboex info data */
1518     Free (infoPtr);
1519 
1520     return 0;
1521 }
1522 
1523 
COMBOEX_Enable(COMBOEX_INFO * infoPtr,BOOL enable)1524 static LRESULT COMBOEX_Enable (COMBOEX_INFO *infoPtr, BOOL enable)
1525 {
1526     TRACE("hwnd=%p, enable=%s\n", infoPtr->hwndSelf, enable ? "TRUE":"FALSE");
1527 
1528     if (infoPtr->hwndEdit)
1529        EnableWindow(infoPtr->hwndEdit, enable);
1530 
1531     EnableWindow(infoPtr->hwndCombo, enable);
1532 
1533     /* Force the control to repaint when the enabled state changes. */
1534     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1535 
1536     return 1;
1537 }
1538 
1539 
COMBOEX_MeasureItem(COMBOEX_INFO const * infoPtr,MEASUREITEMSTRUCT * mis)1540 static LRESULT COMBOEX_MeasureItem (COMBOEX_INFO const *infoPtr, MEASUREITEMSTRUCT *mis)
1541 {
1542     static const WCHAR strW[] = { 'W', 0 };
1543     SIZE mysize;
1544     HDC hdc;
1545 
1546     hdc = GetDC (0);
1547     GetTextExtentPointW (hdc, strW, 1, &mysize);
1548     ReleaseDC (0, hdc);
1549     mis->itemHeight = mysize.cy + CBE_EXTRA;
1550 
1551     TRACE("adjusted height hwnd=%p, height=%d\n",
1552 	  infoPtr->hwndSelf, mis->itemHeight);
1553 
1554     return 0;
1555 }
1556 
1557 
COMBOEX_NCCreate(HWND hwnd)1558 static LRESULT COMBOEX_NCCreate (HWND hwnd)
1559 {
1560     /* WARNING: The COMBOEX_INFO structure is not yet created */
1561     DWORD oldstyle, newstyle;
1562 
1563     oldstyle = (DWORD)GetWindowLongW (hwnd, GWL_STYLE);
1564     newstyle = oldstyle & ~(WS_VSCROLL | WS_HSCROLL | WS_BORDER);
1565     if (newstyle != oldstyle) {
1566 	TRACE("req style %08x, resetting style %08x\n",
1567 	      oldstyle, newstyle);
1568 	SetWindowLongW (hwnd, GWL_STYLE, newstyle);
1569     }
1570     return 1;
1571 }
1572 
1573 
COMBOEX_NotifyFormat(COMBOEX_INFO * infoPtr,LPARAM lParam)1574 static LRESULT COMBOEX_NotifyFormat (COMBOEX_INFO *infoPtr, LPARAM lParam)
1575 {
1576     if (lParam == NF_REQUERY) {
1577 	INT i = SendMessageW(infoPtr->hwndNotify,
1578 			 WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwndSelf, NF_QUERY);
1579         infoPtr->NtfUnicode = (i == NFR_UNICODE);
1580     }
1581     return infoPtr->NtfUnicode ? NFR_UNICODE : NFR_ANSI;
1582 }
1583 
1584 
COMBOEX_Size(COMBOEX_INFO * infoPtr,INT width,INT height)1585 static LRESULT COMBOEX_Size (COMBOEX_INFO *infoPtr, INT width, INT height)
1586 {
1587     TRACE("(width=%d, height=%d)\n", width, height);
1588 
1589     MoveWindow (infoPtr->hwndCombo, 0, 0, width, height, TRUE);
1590 
1591     COMBOEX_AdjustEditPos (infoPtr);
1592 
1593     return 0;
1594 }
1595 
COMBOEX_SetFont(COMBOEX_INFO * infoPtr,HFONT font,BOOL redraw)1596 static LRESULT COMBOEX_SetFont( COMBOEX_INFO *infoPtr, HFONT font, BOOL redraw )
1597 {
1598     infoPtr->font = font;
1599     SendMessageW( infoPtr->hwndCombo, WM_SETFONT, (WPARAM)font, 0 );
1600     if (infoPtr->hwndEdit) SendMessageW( infoPtr->hwndEdit, WM_SETFONT, (WPARAM)font, 0 );
1601     COMBOEX_ReSize( infoPtr );
1602     if (redraw) InvalidateRect( infoPtr->hwndCombo, NULL, TRUE );
1603     return 0;
1604 }
1605 
COMBOEX_SetRedraw(const COMBOEX_INFO * infoPtr,WPARAM wParam,LPARAM lParam)1606 static LRESULT COMBOEX_SetRedraw(const COMBOEX_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
1607 {
1608     LRESULT ret = DefWindowProcW( infoPtr->hwndSelf, WM_SETREDRAW, wParam, lParam );
1609     if (wParam) RedrawWindow( infoPtr->hwndSelf, NULL, 0, RDW_INVALIDATE|RDW_ERASE|RDW_ALLCHILDREN );
1610     return ret;
1611 }
1612 
1613 
COMBOEX_WindowPosChanging(const COMBOEX_INFO * infoPtr,WINDOWPOS * wp)1614 static LRESULT COMBOEX_WindowPosChanging (const COMBOEX_INFO *infoPtr, WINDOWPOS *wp)
1615 {
1616     RECT cbx_wrect, cbx_crect, cb_wrect;
1617     INT width, height;
1618 
1619     GetWindowRect (infoPtr->hwndSelf, &cbx_wrect);
1620     GetClientRect (infoPtr->hwndSelf, &cbx_crect);
1621     GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1622 
1623     /* width is winpos value + border width of comboex */
1624     width = wp->cx
1625 	    + (cbx_wrect.right-cbx_wrect.left)
1626             - (cbx_crect.right-cbx_crect.left);
1627 
1628     TRACE("winpos=(%d,%d %dx%d) flags=0x%08x\n",
1629 	  wp->x, wp->y, wp->cx, wp->cy, wp->flags);
1630     TRACE("EX window=(%s), client=(%s)\n",
1631           wine_dbgstr_rect(&cbx_wrect), wine_dbgstr_rect(&cbx_crect));
1632     TRACE("CB window=(%s), EX setting=(0,0)-(%d,%d)\n",
1633           wine_dbgstr_rect(&cbx_wrect), width, cb_wrect.bottom-cb_wrect.top);
1634 
1635     if (width) SetWindowPos (infoPtr->hwndCombo, HWND_TOP, 0, 0,
1636 			     width,
1637 			     cb_wrect.bottom-cb_wrect.top,
1638 			     SWP_NOACTIVATE);
1639 
1640     GetWindowRect (infoPtr->hwndCombo, &cb_wrect);
1641 
1642     /* height is combo window height plus border width of comboex */
1643     height =   (cb_wrect.bottom-cb_wrect.top)
1644 	     + (cbx_wrect.bottom-cbx_wrect.top)
1645              - (cbx_crect.bottom-cbx_crect.top);
1646     wp->cy = height;
1647     if (infoPtr->hwndEdit) {
1648 	COMBOEX_AdjustEditPos (infoPtr);
1649 	InvalidateRect (infoPtr->hwndCombo, 0, TRUE);
1650     }
1651 
1652     return 0;
1653 }
1654 
1655 static LRESULT CALLBACK
COMBOEX_EditWndProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam,UINT_PTR uId,DWORD_PTR ref_data)1656 COMBOEX_EditWndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
1657                      UINT_PTR uId, DWORD_PTR ref_data)
1658 {
1659     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr ((HWND)ref_data);
1660     NMCBEENDEDITW cbeend;
1661     WCHAR edit_text[260];
1662     COLORREF obkc;
1663     HDC hDC;
1664     RECT rect;
1665     LRESULT lret;
1666 
1667     TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx, info_ptr=%p\n",
1668 	  hwnd, uMsg, wParam, lParam, infoPtr);
1669 
1670     if (uMsg == WM_NCDESTROY)
1671         RemoveWindowSubclass(hwnd, COMBOEX_EditWndProc, EDIT_SUBCLASSID);
1672 
1673     if (!infoPtr)
1674         return DefSubclassProc(hwnd, uMsg, wParam, lParam);
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
COMBOEX_ComboWndProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam,UINT_PTR uId,DWORD_PTR ref_data)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 (uMsg == WM_NCDESTROY)
1830         RemoveWindowSubclass(hwnd, COMBOEX_ComboWndProc, COMBO_SUBCLASSID);
1831 
1832     if (!infoPtr)
1833         return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1834 
1835     switch (uMsg)
1836     {
1837     case WM_DRAWITEM:
1838 	    /*
1839 	     * The only way this message should come is from the
1840 	     * child Listbox issuing the message. Flag this so
1841 	     * that ComboEx knows this is listbox.
1842 	     */
1843 	    ((DRAWITEMSTRUCT *)lParam)->itemState |= ODS_COMBOEXLBOX;
1844 	    break;
1845 
1846     case WM_ERASEBKGND:
1847             hDC = (HDC) wParam;
1848 	    obkc = SetBkColor (hDC, comctl32_color.clrWindow);
1849             GetClientRect (hwnd, &rect);
1850             TRACE("erasing (%s)\n", wine_dbgstr_rect(&rect));
1851 	    ExtTextOutW (hDC, 0, 0, ETO_OPAQUE, &rect, 0, 0, 0);
1852             SetBkColor (hDC, obkc);
1853 	    break;
1854 
1855     case WM_SETCURSOR:
1856 	    /*
1857 	     *  WM_NOTIFY to comboex parent (rebar)
1858 	     *   with NM_SETCURSOR with extra words of 0,0,0,0,0x02010001
1859 	     *  CallWindowProc (previous)
1860 	     */
1861 	    nmmse.dwItemSpec = 0;
1862 	    nmmse.dwItemData = 0;
1863 	    nmmse.pt.x = 0;
1864 	    nmmse.pt.y = 0;
1865 	    nmmse.dwHitInfo = lParam;
1866 	    COMBOEX_Notify (infoPtr, NM_SETCURSOR, (NMHDR *)&nmmse);
1867 	    break;
1868 
1869     case WM_LBUTTONDOWN:
1870 	    GetClientRect (hwnd, &rect);
1871 	    rect.bottom = rect.top + SendMessageW(infoPtr->hwndSelf,
1872 			                          CB_GETITEMHEIGHT, -1, 0);
1873 	    rect.left = rect.right - GetSystemMetrics(SM_CXVSCROLL);
1874 	    pt.x = (short)LOWORD(lParam);
1875 	    pt.y = (short)HIWORD(lParam);
1876 	    if (PtInRect(&rect, pt))
1877 		break;
1878 
1879 	    infoPtr->flags |= WCBE_MOUSECAPTURED;
1880 	    SetCapture(hwnd);
1881 	    return 0;
1882 
1883     case WM_LBUTTONUP:
1884 	    if (!(infoPtr->flags & WCBE_MOUSECAPTURED))
1885 		break;
1886 
1887 	    ReleaseCapture();
1888 	    infoPtr->flags &= ~WCBE_MOUSECAPTURED;
1889 	    if (infoPtr->flags & WCBE_MOUSEDRAGGED) {
1890 		infoPtr->flags &= ~WCBE_MOUSEDRAGGED;
1891 	    } else {
1892 		SendMessageW(hwnd, CB_SHOWDROPDOWN, TRUE, 0);
1893 	    }
1894 	    return 0;
1895 
1896     case WM_MOUSEMOVE:
1897 	    if ( (infoPtr->flags & WCBE_MOUSECAPTURED) &&
1898 		!(infoPtr->flags & WCBE_MOUSEDRAGGED)) {
1899 		GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1900 		COMBOEX_NotifyDragBegin(infoPtr, edit_text);
1901 		infoPtr->flags |= WCBE_MOUSEDRAGGED;
1902 	    }
1903 	    break;
1904 
1905     case WM_COMMAND:
1906 	    switch (HIWORD(wParam)) {
1907 
1908 	    case EN_UPDATE:
1909 		/* traces show that COMBOEX does not issue CBN_EDITUPDATE
1910 		 * on the EN_UPDATE
1911 		 */
1912 		return 0;
1913 
1914 	    case EN_KILLFOCUS:
1915 		focusedhwnd = GetFocus();
1916 		if (infoPtr->flags & WCBE_ACTEDIT) {
1917 		    GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1918 		    cbeend.fChanged = (infoPtr->flags & WCBE_EDITCHG);
1919 		    cbeend.iNewSelection = SendMessageW (infoPtr->hwndCombo,
1920 							 CB_GETCURSEL, 0, 0);
1921 		    cbeend.iWhy = CBENF_KILLFOCUS;
1922 
1923 		    infoPtr->flags &= ~(WCBE_ACTEDIT | WCBE_EDITCHG);
1924 		    if (COMBOEX_NotifyEndEdit (infoPtr, &cbeend, edit_text)) return 0;
1925 		}
1926 		/* possible CB_GETCURSEL */
1927 		InvalidateRect (infoPtr->hwndCombo, 0, 0);
1928 		if (focusedhwnd)
1929 		    SendMessageW (infoPtr->hwndCombo, WM_KILLFOCUS,
1930 				  (WPARAM)focusedhwnd, 0);
1931 		return 0;
1932 
1933 	    case EN_SETFOCUS: {
1934 		NMHDR hdr;
1935 
1936 		SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, 0);
1937 		SendMessageW (infoPtr->hwndEdit, EM_SETSEL, 0, -1);
1938 		COMBOEX_Notify (infoPtr, CBEN_BEGINEDIT, &hdr);
1939 		infoPtr->flags |= WCBE_ACTEDIT;
1940 		infoPtr->flags &= ~WCBE_EDITCHG; /* no change yet */
1941 		return 0;
1942 	        }
1943 
1944 	    case EN_CHANGE: {
1945 		LPCWSTR lastwrk;
1946                 cmp_func_t cmptext = get_cmp_func(infoPtr);
1947 
1948 		INT_PTR selected = SendMessageW (infoPtr->hwndCombo,
1949                                                  CB_GETCURSEL, 0, 0);
1950 
1951 		/* lstrlenW( lastworkingURL ) */
1952 
1953 		GetWindowTextW (infoPtr->hwndEdit, edit_text, 260);
1954 		if (selected == -1) {
1955                     lastwrk = infoPtr->edit.pszText;
1956 		}
1957 		else {
1958 		    CBE_ITEMDATA *item = COMBOEX_FindItem (infoPtr, selected);
1959 		    lastwrk = COMBOEX_GetText(infoPtr, item);
1960 		}
1961 
1962 		TRACE("handling EN_CHANGE, selected = %ld, selected_text=%s\n",
1963 		      selected, debugstr_w(lastwrk));
1964 		TRACE("handling EN_CHANGE, edittext=%s\n",
1965 		      debugstr_w(edit_text));
1966 
1967 		/* cmptext is between lastworkingURL and GetWindowText */
1968 		if (cmptext (lastwrk, edit_text)) {
1969 		    /* strings not equal -- indicate edit has changed */
1970 		    infoPtr->flags |= WCBE_EDITCHG;
1971 		}
1972 		SendMessageW ( infoPtr->hwndNotify, WM_COMMAND,
1973 			       MAKEWPARAM(GetDlgCtrlID (infoPtr->hwndSelf),
1974 					  CBN_EDITCHANGE),
1975 			       (LPARAM)infoPtr->hwndSelf);
1976 		return 0;
1977 	        }
1978 
1979 	    case LBN_SELCHANGE:
1980 	    default:
1981 		break;
1982 	    }/* fall through */
1983     default:
1984         ;
1985     }
1986 
1987     return DefSubclassProc(hwnd, uMsg, wParam, lParam);
1988 }
1989 
1990 
1991 static LRESULT WINAPI
COMBOEX_WindowProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)1992 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1993 {
1994     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
1995 
1996     TRACE("hwnd=%p msg=%x wparam=%lx lParam=%lx\n", hwnd, uMsg, wParam, lParam);
1997 
1998     if (!infoPtr) {
1999 	if (uMsg == WM_CREATE)
2000 	    return COMBOEX_Create (hwnd, (LPCREATESTRUCTA)lParam);
2001 	if (uMsg == WM_NCCREATE)
2002 	    COMBOEX_NCCreate (hwnd);
2003         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2004     }
2005 
2006     switch (uMsg)
2007     {
2008         case CBEM_DELETEITEM:
2009 	    return COMBOEX_DeleteItem (infoPtr, wParam);
2010 
2011 	case CBEM_GETCOMBOCONTROL:
2012 	    return (LRESULT)infoPtr->hwndCombo;
2013 
2014 	case CBEM_GETEDITCONTROL:
2015 	    return (LRESULT)infoPtr->hwndEdit;
2016 
2017 	case CBEM_GETEXTENDEDSTYLE:
2018 	    return infoPtr->dwExtStyle;
2019 
2020 	case CBEM_GETIMAGELIST:
2021 	    return (LRESULT)infoPtr->himl;
2022 
2023 	case CBEM_GETITEMA:
2024 	    return (LRESULT)COMBOEX_GetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2025 
2026 	case CBEM_GETITEMW:
2027 	    return (LRESULT)COMBOEX_GetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2028 
2029 	case CBEM_GETUNICODEFORMAT:
2030 	    return infoPtr->unicode;
2031 
2032 	case CBEM_HASEDITCHANGED:
2033 	    return COMBOEX_HasEditChanged (infoPtr);
2034 
2035 	case CBEM_INSERTITEMA:
2036 	    return COMBOEX_InsertItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2037 
2038 	case CBEM_INSERTITEMW:
2039 	    return COMBOEX_InsertItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2040 
2041 	case CBEM_SETEXSTYLE:
2042 	case CBEM_SETEXTENDEDSTYLE:
2043 	    return COMBOEX_SetExtendedStyle (infoPtr, (DWORD)wParam, (DWORD)lParam);
2044 
2045 	case CBEM_SETIMAGELIST:
2046 	    return (LRESULT)COMBOEX_SetImageList (infoPtr, (HIMAGELIST)lParam);
2047 
2048 	case CBEM_SETITEMA:
2049 	    return COMBOEX_SetItemA (infoPtr, (COMBOBOXEXITEMA *)lParam);
2050 
2051 	case CBEM_SETITEMW:
2052 	    return COMBOEX_SetItemW (infoPtr, (COMBOBOXEXITEMW *)lParam);
2053 
2054 	case CBEM_SETUNICODEFORMAT:
2055 	    return COMBOEX_SetUnicodeFormat (infoPtr, wParam);
2056 
2057 	/*case CBEM_SETWINDOWTHEME:
2058 	    FIXME("CBEM_SETWINDOWTHEME: stub\n");*/
2059 
2060 	case WM_SETTEXT:
2061 	case WM_GETTEXT:
2062 	case WM_GETTEXTLENGTH:
2063             return SendMessageW(infoPtr->hwndEdit, uMsg, wParam, lParam);
2064 
2065 	case CB_GETLBTEXT:
2066             return COMBOEX_GetListboxText(infoPtr, wParam, (LPWSTR)lParam);
2067 
2068 	case CB_GETLBTEXTLEN:
2069             return COMBOEX_GetListboxText(infoPtr, wParam, NULL);
2070 
2071 	case CB_RESETCONTENT:
2072             COMBOEX_ResetContent(infoPtr);
2073             /* fall through */
2074 
2075 /*   Combo messages we are not sure if we need to process or just forward */
2076 	case CB_GETDROPPEDCONTROLRECT:
2077 	case CB_GETITEMHEIGHT:
2078 	case CB_GETEXTENDEDUI:
2079 	case CB_LIMITTEXT:
2080 	case CB_SELECTSTRING:
2081 
2082 /*   Combo messages OK to just forward to the regular COMBO */
2083 	case CB_GETCOUNT:
2084 	case CB_GETCURSEL:
2085 	case CB_GETDROPPEDSTATE:
2086         case CB_SETDROPPEDWIDTH:
2087         case CB_SETEXTENDEDUI:
2088         case CB_SHOWDROPDOWN:
2089 	    return SendMessageW (infoPtr->hwndCombo, uMsg, wParam, lParam);
2090 
2091 /*   Combo messages we need to process specially */
2092         case CB_FINDSTRINGEXACT:
2093 	    return COMBOEX_FindStringExact (infoPtr, (INT)wParam, (LPCWSTR)lParam);
2094 
2095 	case CB_GETITEMDATA:
2096 	    return COMBOEX_GetItemData (infoPtr, (INT)wParam);
2097 
2098 	case CB_SETCURSEL:
2099 	    return COMBOEX_SetCursel (infoPtr, (INT)wParam);
2100 
2101 	case CB_SETITEMDATA:
2102 	    return COMBOEX_SetItemData (infoPtr, (INT)wParam, (DWORD_PTR)lParam);
2103 
2104 	case CB_SETITEMHEIGHT:
2105 	    return COMBOEX_SetItemHeight (infoPtr, (INT)wParam, (UINT)lParam);
2106 
2107 
2108 
2109 /*   Window messages passed to parent */
2110 	case WM_COMMAND:
2111 	    return COMBOEX_Command (infoPtr, wParam);
2112 
2113 	case WM_NOTIFY:
2114 	    if (infoPtr->NtfUnicode)
2115 		return SendMessageW (infoPtr->hwndNotify, uMsg, wParam, lParam);
2116 	    else
2117 		return SendMessageA (infoPtr->hwndNotify, uMsg, wParam, lParam);
2118 
2119 
2120 /*   Window messages we need to process */
2121         case WM_DELETEITEM:
2122 	    return COMBOEX_WM_DeleteItem (infoPtr, (DELETEITEMSTRUCT *)lParam);
2123 
2124         case WM_DRAWITEM:
2125             return COMBOEX_DrawItem (infoPtr, (DRAWITEMSTRUCT *)lParam);
2126 
2127 	case WM_DESTROY:
2128 	    return COMBOEX_Destroy (infoPtr);
2129 
2130 	case WM_ENABLE:
2131 	    return COMBOEX_Enable (infoPtr, (BOOL)wParam);
2132 
2133         case WM_MEASUREITEM:
2134             return COMBOEX_MeasureItem (infoPtr, (MEASUREITEMSTRUCT *)lParam);
2135 
2136         case WM_NOTIFYFORMAT:
2137 	    return COMBOEX_NotifyFormat (infoPtr, lParam);
2138 
2139 	case WM_SIZE:
2140 	    return COMBOEX_Size (infoPtr, LOWORD(lParam), HIWORD(lParam));
2141 
2142         case WM_GETFONT:
2143 	    return (LRESULT)infoPtr->font;
2144 
2145 	case WM_SETFONT:
2146 	    return COMBOEX_SetFont( infoPtr, (HFONT)wParam, LOWORD(lParam) != 0 );
2147 
2148         case WM_SETREDRAW:
2149             return COMBOEX_SetRedraw(infoPtr, wParam, lParam);
2150 
2151         case WM_WINDOWPOSCHANGING:
2152 	    return COMBOEX_WindowPosChanging (infoPtr, (WINDOWPOS *)lParam);
2153 
2154         case WM_SETFOCUS:
2155             if (infoPtr->hwndEdit) SetFocus( infoPtr->hwndEdit );
2156             else SetFocus( infoPtr->hwndCombo );
2157             return 0;
2158 
2159         case WM_SYSCOLORCHANGE:
2160             COMCTL32_RefreshSysColors();
2161             return 0;
2162 
2163 	default:
2164 	    if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
2165 		ERR("unknown msg %04x wp=%08lx lp=%08lx\n",uMsg,wParam,lParam);
2166 	    return DefWindowProcW (hwnd, uMsg, wParam, lParam);
2167     }
2168 }
2169 
2170 
COMBOEX_Register(void)2171 void COMBOEX_Register (void)
2172 {
2173     WNDCLASSW wndClass;
2174 
2175     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
2176     wndClass.style         = CS_GLOBALCLASS;
2177     wndClass.lpfnWndProc   = COMBOEX_WindowProc;
2178     wndClass.cbClsExtra    = 0;
2179     wndClass.cbWndExtra    = sizeof(COMBOEX_INFO *);
2180     wndClass.hCursor       = LoadCursorW (0, (LPWSTR)IDC_ARROW);
2181     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
2182     wndClass.lpszClassName = WC_COMBOBOXEXW;
2183 
2184     RegisterClassW (&wndClass);
2185 }
2186 
2187 
COMBOEX_Unregister(void)2188 void COMBOEX_Unregister (void)
2189 {
2190     UnregisterClassW (WC_COMBOBOXEXW, NULL);
2191 }
2192