controls/listbox.c

   1 /*
   2  * Listbox controls
   3  *
   4  * Copyright  Martin Ayotte, 1993
   5  *            Constantine Sapuntzakis, 1995
   6  *            Alex Korobka, 1995
   7  *
   8  */
   9
  10  /*
  11   * FIXME:
  12   * - check if multi-column listboxes work
  13   * - implement more messages and styles
  14   * - implement caret for LBS_EXTENDEDSEL
  15   */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include <ctype.h>
  21 #include "windows.h"
  22 #include "user.h"
  23 #include "win.h"
  24 #include "gdi.h"
  25 #include "msdos.h"
  26 #include "listbox.h"
  27 #include "dos_fs.h"
  28 #include "drive.h"
  29 #include "file.h"
  30 #include "stackframe.h"
  31 #include "stddebug.h"
  32 #include "debug.h"
  33 #include "xmalloc.h"
  34
  35 #if 0
  36 #define LIST_HEAP_ALLOC(lphl,f,size) ((int)HEAP_Alloc(&lphl->Heap,f,size) & 0xffff)
  37 #define LIST_HEAP_FREE(lphl,handle) (HEAP_Free(&lphl->Heap,LIST_HEAP_ADDR(lphl,handle)))
  38 #define LIST_HEAP_ADDR(lphl,handle) \
  39     ((void *)((handle) ? ((handle) | ((int)lphl->Heap & 0xffff0000)) : 0))
  40 #else
  41 /* FIXME: shouldn't each listbox have its own heap? */
  42 #if 0
  43 #define LIST_HEAP_ALLOC(lphl,f,size) USER_HEAP_ALLOC(size)
  44 #define LIST_HEAP_FREE(lphl,handle)  USER_HEAP_FREE(handle)
  45 #define LIST_HEAP_ADDR(lphl,handle)  USER_HEAP_LIN_ADDR(handle)
  46 #define LIST_HEAP_SEG_ADDR(lphl,handle) USER_HEAP_SEG_ADDR(handle)
  47 #else
  48 /* Something like this maybe ? */
  49 #define LIST_HEAP_ALLOC(lphl,f,size) \
  50             LOCAL_Alloc( lphl->HeapSel, LMEM_FIXED, (size) )
  51 #if 0
  52 #define LIST_HEAP_REALLOC(handle,size) \
  53             LOCAL_ReAlloc( USER_HeapSel, (handle), (size), LMEM_FIXED )
  54 #endif
  55 #define LIST_HEAP_FREE(lphl,handle) \
  56             LOCAL_Free( lphl->HeapSel, (handle) )
  57 #define LIST_HEAP_ADDR(lphl,handle)  \
  58             ((handle) ? PTR_SEG_OFF_TO_LIN(lphl->HeapSel, (handle)) : NULL)
  59 #define LIST_HEAP_SEG_ADDR(lphl,handle)  \
  60             ((handle) ? MAKELONG((handle), lphl->HeapSel) : 0)
  61 #endif
  62 #endif
  63
  64 #define LIST_HEAP_SIZE 0x10000
  65
  66 #define LBMM_EDGE   4    /* distance inside box which is same as moving mouse
  67                             outside box, to trigger scrolling of LB */
  68
  69 static void ListBoxInitialize(LPHEADLIST lphl)
  70 {
  71   lphl->lpFirst        = NULL;
  72   lphl->ItemsCount     = 0;
  73   lphl->ItemsVisible   = 0;
  74   lphl->FirstVisible   = 0;
  75   lphl->ColumnsVisible = 1;
  76   lphl->ItemsPerColumn = 0;
  77   lphl->ItemFocused    = -1;
  78   lphl->PrevFocused    = -1;
  79 }
  80
  81 void CreateListBoxStruct(HWND hwnd, WORD CtlType, LONG styles, HWND parent)
  82 {
  83   LPHEADLIST lphl;
  84   HDC         hdc;
  85
  86   lphl = (LPHEADLIST)xmalloc(sizeof(HEADLIST));
  87   SetWindowLong(hwnd, 0, (LONG)lphl);
  88   ListBoxInitialize(lphl);
  89   lphl->DrawCtlType    = CtlType;
  90   lphl->CtlID          = GetWindowWord(hwnd,GWW_ID);
  91   lphl->bRedrawFlag    = TRUE;
  92   lphl->iNumStops      = 0;
  93   lphl->TabStops       = NULL;
  94   lphl->hFont          = GetStockObject(SYSTEM_FONT);
  95   lphl->hSelf          = hwnd;
  96   if (CtlType==ODT_COMBOBOX)              /* use the "faked" style for COMBOLBOX */
  97                                           /* LBS_SORT instead CBS_SORT e.g.      */
  98     lphl->dwStyle   = MAKELONG(LOWORD(styles),HIWORD(GetWindowLong(hwnd,GWL_STYLE)));
  99   else
 100     lphl->dwStyle   = GetWindowLong(hwnd,GWL_STYLE); /* use original style dword */
 101   lphl->hParent        = parent;
 102   lphl->StdItemHeight  = 15; /* FIXME: should get the font height */
 103   lphl->OwnerDrawn     = styles & (LBS_OWNERDRAWFIXED | LBS_OWNERDRAWVARIABLE);
 104   lphl->HasStrings     = (styles & LBS_HASSTRINGS) || !lphl->OwnerDrawn;
 105
 106   /* create dummy hdc to set text height */
 107   if ((hdc = GetDC(0)))
 108   {
 109       TEXTMETRIC tm;
 110       GetTextMetrics( hdc, &tm );
 111       lphl->StdItemHeight = tm.tmHeight;
 112       dprintf_listbox(stddeb,"CreateListBoxStruct:  font height %d\n",
 113                       lphl->StdItemHeight);
 114       ReleaseDC( 0, hdc );
 115   }
 116
 117   if (lphl->OwnerDrawn) {
 118     LISTSTRUCT dummyls;
 119
 120     lphl->hDrawItemStruct = USER_HEAP_ALLOC(sizeof(DRAWITEMSTRUCT));
 121     lphl->needMeasure = TRUE;
 122     dummyls.mis.CtlType    = lphl->DrawCtlType;
 123     dummyls.mis.CtlID      = lphl->CtlID;
 124     dummyls.mis.itemID     = -1;
 125     dummyls.mis.itemWidth  = 0; /* ignored */
 126     dummyls.mis.itemData   = 0;
 127
 128     ListBoxAskMeasure(lphl,&dummyls);
 129   } else {
 130     lphl->hDrawItemStruct = 0;
 131   }
 132
 133 #if 0
 134   HeapHandle = GlobalAlloc(GMEM_FIXED, LIST_HEAP_SIZE);
 135   HeapBase = GlobalLock(HeapHandle);
 136   HEAP_Init(&lphl->Heap, HeapBase, LIST_HEAP_SIZE);
 137 #endif
 138 /* WINELIBS list boxes do not operate on local heaps */
 139 #ifndef WINELIB
 140   lphl->HeapSel = GlobalAlloc(GMEM_FIXED,LIST_HEAP_SIZE);
 141   LocalInit( lphl->HeapSel, 0, LIST_HEAP_SIZE-1);
 142 #else
 143   lphl->HeapSel = 0;
 144 #endif
 145 }
 146
 147 void DestroyListBoxStruct(LPHEADLIST lphl)
 148 {
 149   if (lphl->hDrawItemStruct)
 150     USER_HEAP_FREE(lphl->hDrawItemStruct);
 151
 152   /* XXX need to free lphl->Heap */
 153   GlobalFree(lphl->HeapSel);
 154   free(lphl);
 155 }
 156
 157 static LPHEADLIST ListBoxGetStorageHeader(HWND hwnd)
 158 {
 159     return (LPHEADLIST)GetWindowLong(hwnd,0);
 160 }
 161
 162 /* Send notification "code" as part of a WM_COMMAND-message if hwnd
 163    has the LBS_NOTIFY style */
 164 void ListBoxSendNotification(LPHEADLIST lphl, WORD code)
 165 {
 166   if (lphl->dwStyle & LBS_NOTIFY)
 167 #ifdef WINELIB32
 168     SendMessage(lphl->hParent, WM_COMMAND,
 169                 MAKEWPARAM(lphl->CtlID,code), (LPARAM)lphl->hSelf);
 170 #else
 171     SendMessage(lphl->hParent, WM_COMMAND,
 172                 lphl->CtlID, MAKELONG(lphl->hSelf, code));
 173 #endif
 174 }
 175
 176
 177 /* get the maximum value of lphl->FirstVisible */
 178 int ListMaxFirstVisible(LPHEADLIST lphl)
 179 {
 180     int m = lphl->ItemsCount-lphl->ItemsVisible;
 181     return (m < 0) ? 0 : m;
 182 }
 183
 184
 185 void ListBoxUpdateWindow(HWND hwnd, LPHEADLIST lphl, BOOL repaint)
 186 {
 187   SetScrollRange(hwnd, SB_VERT, 0, ListMaxFirstVisible(lphl), TRUE);
 188   if (lphl->ItemsPerColumn != 0) {
 189     SetScrollRange(hwnd, SB_HORZ, 1, lphl->ItemsVisible /
 190                    lphl->ItemsPerColumn + 1, TRUE);
 191   }
 192   if (repaint && lphl->bRedrawFlag) {
 193     InvalidateRect(hwnd, NULL, TRUE);
 194   }
 195 }
 196
 197 /* Returns: 0 if nothing needs to be changed */
 198 /*          1 if FirstVisible changed */
 199
 200 int ListBoxScrollToFocus(LPHEADLIST lphl)
 201 {
 202   short       end;
 203
 204   if (lphl->ItemsCount == 0) return 0;
 205   if (lphl->ItemFocused == -1) return 0;
 206
 207   end = lphl->FirstVisible + lphl->ItemsVisible - 1;
 208
 209   if (lphl->ItemFocused < lphl->FirstVisible ) {
 210     lphl->FirstVisible = lphl->ItemFocused;
 211     return 1;
 212   } else {
 213     if (lphl->ItemFocused > end) {
 214       WORD maxFirstVisible = ListMaxFirstVisible(lphl);
 215
 216       lphl->FirstVisible = lphl->ItemFocused;
 217
 218       if (lphl->FirstVisible > maxFirstVisible) {
 219         lphl->FirstVisible = maxFirstVisible;
 220       }
 221       return 1;
 222     }
 223   }
 224   return 0;
 225 }
 226
 227
 228 LPLISTSTRUCT ListBoxGetItem(LPHEADLIST lphl, UINT uIndex)
 229 {
 230   LPLISTSTRUCT lpls;
 231   UINT         Count = 0;
 232
 233   if (uIndex >= lphl->ItemsCount) return NULL;
 234
 235   lpls = lphl->lpFirst;
 236   while (Count++ < uIndex) lpls = lpls->lpNext;
 237   return lpls;
 238 }
 239
 240
 241 void ListBoxDrawItem (HWND hwnd, LPHEADLIST lphl, HDC hdc, LPLISTSTRUCT lpls,
 242                       RECT *rect, WORD itemAction, WORD itemState)
 243 {
 244   if (lphl->OwnerDrawn) {
 245     DRAWITEMSTRUCT   *dis = USER_HEAP_LIN_ADDR(lphl->hDrawItemStruct);
 246
 247     dis->CtlID    = lpls->mis.CtlID;
 248     dis->CtlType  = lpls->mis.CtlType;
 249     dis->itemID   = lpls->mis.itemID;
 250     dis->hDC      = hdc;
 251     dis->hwndItem = hwnd;
 252     dis->itemData = lpls->mis.itemData;
 253     dis->itemAction = itemAction;
 254     dis->itemState  = itemState;
 255     dis->rcItem     = *rect;
 256     SendMessage(lphl->hParent, WM_DRAWITEM,
 257                 0, (LPARAM)USER_HEAP_SEG_ADDR(lphl->hDrawItemStruct));
 258   } else {
 259     if (itemAction == ODA_DRAWENTIRE || itemAction == ODA_SELECT) {
 260       int       OldBkMode;
 261       DWORD     dwOldTextColor = 0;
 262
 263       OldBkMode = SetBkMode(hdc, TRANSPARENT);
 264
 265       if (itemState != 0) {
 266         dwOldTextColor = SetTextColor(hdc, 0x00FFFFFFL);
 267         FillRect(hdc, rect, GetStockObject(BLACK_BRUSH));
 268       }
 269
 270       if (lphl->dwStyle & LBS_USETABSTOPS) {
 271         TabbedTextOut(hdc, rect->left + 5, rect->top + 2,
 272                       (char *)lpls->itemText, strlen((char *)lpls->itemText),
 273                       lphl->iNumStops, lphl->TabStops, 0);
 274       } else {
 275         TextOut(hdc, rect->left + 5, rect->top + 2,
 276                 (char *)lpls->itemText, strlen((char *)lpls->itemText));
 277       }
 278
 279       if (itemState != 0) {
 280         SetTextColor(hdc, dwOldTextColor);
 281       }
 282
 283       SetBkMode(hdc, OldBkMode);
 284     } else DrawFocusRect(hdc, rect);
 285   }
 286
 287   return;
 288 }
 289
 290
 291 int ListBoxFindMouse(LPHEADLIST lphl, int X, int Y)
 292 {
 293   LPLISTSTRUCT lpls = lphl->lpFirst;
 294   int          i, j;
 295   POINT        point;
 296
 297   point.x = X; point.y = Y;
 298   if (lphl->ItemsCount == 0) return LB_ERR;
 299
 300   for(i = 0; i < lphl->FirstVisible; i++) {
 301     if (lpls == NULL) return LB_ERR;
 302     lpls = lpls->lpNext;
 303   }
 304   for(j = 0; j < lphl->ItemsVisible; i++, j++) {
 305     if (lpls == NULL) return LB_ERR;
 306     if (PtInRect(&lpls->itemRect,point)) {
 307       return i;
 308     }
 309     lpls = lpls->lpNext;
 310   }
 311   dprintf_listbox(stddeb,"ListBoxFindMouse: not found\n");
 312   return LB_ERR;
 313 }
 314
 315
 316 void ListBoxAskMeasure(LPHEADLIST lphl, LPLISTSTRUCT lpls)
 317 {
 318   HANDLE hTemp = USER_HEAP_ALLOC( sizeof(MEASUREITEMSTRUCT) );
 319   MEASUREITEMSTRUCT *lpmeasure = (MEASUREITEMSTRUCT *) USER_HEAP_LIN_ADDR(hTemp);
 320
 321   if (lpmeasure == NULL) {
 322     fprintf(stdnimp,"ListBoxAskMeasure() out of memory !\n");
 323     return;
 324   }
 325
 326   *lpmeasure = lpls->mis;
 327   lpmeasure->itemHeight = lphl->StdItemHeight;
 328   SendMessage(lphl->hParent, WM_MEASUREITEM, 0, (LPARAM)USER_HEAP_SEG_ADDR(hTemp));
 329
 330   if (lphl->dwStyle & LBS_OWNERDRAWFIXED) {
 331     lphl->StdItemHeight = lpmeasure->itemHeight;
 332     lpls->mis.itemHeight = lpmeasure->itemHeight;
 333   }
 334
 335   USER_HEAP_FREE(hTemp);
 336 }
 337
 338 /* -------------------- strings and item data ---------------------- */
 339
 340 LPLISTSTRUCT ListBoxCreateItem(LPHEADLIST lphl, int id)
 341 {
 342   LPLISTSTRUCT lplsnew = (LPLISTSTRUCT)malloc(sizeof(LISTSTRUCT));
 343
 344   if (lplsnew == NULL) return NULL;
 345
 346   lplsnew->itemState      = 0;
 347   lplsnew->mis.CtlType    = lphl->DrawCtlType;
 348   lplsnew->mis.CtlID      = lphl->CtlID;
 349   lplsnew->mis.itemID     = id;
 350   lplsnew->mis.itemHeight = lphl->StdItemHeight;
 351   lplsnew->mis.itemWidth  = 0; /* ignored */
 352   lplsnew->mis.itemData   = 0;
 353   SetRect(&lplsnew->itemRect, 0, 0, 0, 0);
 354
 355   return lplsnew;
 356 }
 357
 358
 359 int ListBoxInsertString(LPHEADLIST lphl, UINT uIndex, LPCSTR newstr)
 360 {
 361   LPLISTSTRUCT *lppls, lplsnew, lpls;
 362   HANDLE       hStr;
 363   LPSTR str;
 364   UINT  Count;
 365
 366   dprintf_listbox(stddeb,"ListBoxInsertString(%d, %p);\n", uIndex, newstr);
 367
 368   if (!newstr) return -1;
 369
 370   if (uIndex == (UINT)-1)
 371     uIndex = lphl->ItemsCount;
 372
 373   lppls = &lphl->lpFirst;
 374   for(Count = 0; Count < uIndex; Count++) {
 375     if (*lppls == NULL) return LB_ERR;
 376     lppls = (LPLISTSTRUCT *) &(*lppls)->lpNext;
 377   }
 378
 379   lplsnew = ListBoxCreateItem(lphl, Count);
 380
 381   if (lplsnew == NULL) {
 382     fprintf(stdnimp,"ListBoxInsertString() out of memory !\n");
 383     return LB_ERRSPACE;
 384   }
 385
 386   lplsnew->lpNext = *lppls;
 387   *lppls = lplsnew;
 388   lphl->ItemsCount++;
 389
 390   hStr = 0;
 391   if (lphl->HasStrings) {
 392     dprintf_listbox(stddeb,"  string: %s\n", newstr);
 393     hStr = LIST_HEAP_ALLOC(lphl, LMEM_MOVEABLE, strlen(newstr) + 1);
 394     str = (LPSTR)LIST_HEAP_ADDR(lphl, hStr);
 395     if (str == NULL) return LB_ERRSPACE;
 396     strcpy(str, newstr);
 397     lplsnew->itemText = str;
 398     /* I'm not so sure about the next one */
 399     lplsnew->mis.itemData = 0;
 400   } else {
 401     lplsnew->itemText = NULL;
 402     lplsnew->mis.itemData = (DWORD)newstr;
 403   }
 404
 405   lplsnew->mis.itemID = uIndex;
 406   lplsnew->hData = hStr;
 407
 408   /* adjust the itemID field of the following entries */
 409   for(lpls = lplsnew->lpNext; lpls != NULL; lpls = lpls->lpNext) {
 410       lpls->mis.itemID++;
 411   }
 412
 413   if (lphl->needMeasure) {
 414     ListBoxAskMeasure(lphl, lplsnew);
 415   }
 416
 417   dprintf_listbox(stddeb,"ListBoxInsertString // count=%d\n", lphl->ItemsCount);
 418   return uIndex;
 419 }
 420
 421
 422 int ListBoxAddString(LPHEADLIST lphl, LPCSTR newstr)
 423 {
 424     UINT pos = (UINT) -1;
 425
 426     if (lphl->HasStrings && (lphl->dwStyle & LBS_SORT)) {
 427         LPLISTSTRUCT lpls = lphl->lpFirst;
 428         for (pos = 0; lpls != NULL; lpls = lpls->lpNext, pos++)
 429             if (strcmp(lpls->itemText, newstr) >= 0)
 430                 break;
 431     }
 432     return ListBoxInsertString(lphl, pos, newstr);
 433 }
 434
 435
 436 int ListBoxGetText(LPHEADLIST lphl, UINT uIndex, LPSTR OutStr)
 437 {
 438   LPLISTSTRUCT lpls;
 439
 440   if (!OutStr) {
 441     dprintf_listbox(stddeb, "ListBoxGetText // OutStr==NULL\n");
 442     return 0;
 443   }
 444   *OutStr = '\0';
 445   lpls = ListBoxGetItem (lphl, uIndex);
 446   if (lpls == NULL) return LB_ERR;
 447
 448   if (!lphl->HasStrings) {
 449     *((long *)OutStr) = lpls->mis.itemData;
 450     return 4;
 451   }
 452
 453   strcpy(OutStr, lpls->itemText);
 454   return strlen(OutStr);
 455 }
 456
 457
 458 DWORD ListBoxGetItemData(LPHEADLIST lphl, UINT uIndex)
 459 {
 460   LPLISTSTRUCT lpls;
 461
 462   lpls = ListBoxGetItem (lphl, uIndex);
 463   if (lpls == NULL) return LB_ERR;
 464   return lpls->mis.itemData;
 465 }
 466
 467
 468 int ListBoxSetItemData(LPHEADLIST lphl, UINT uIndex, DWORD ItemData)
 469 {
 470   LPLISTSTRUCT lpls = ListBoxGetItem(lphl, uIndex);
 471
 472   if (lpls == NULL) return LB_ERR;
 473   lpls->mis.itemData = ItemData;
 474   return 1;
 475 }
 476
 477
 478 int ListBoxDeleteString(LPHEADLIST lphl, UINT uIndex)
 479 {
 480   LPLISTSTRUCT lpls, lpls2;
 481   UINT  Count;
 482
 483   if (uIndex >= lphl->ItemsCount) return LB_ERR;
 484
 485   lpls = lphl->lpFirst;
 486   if (lpls == NULL) return LB_ERR;
 487
 488   if (uIndex == 0)
 489     lphl->lpFirst = lpls->lpNext;
 490   else {
 491     LPLISTSTRUCT lpls2 = NULL;
 492     for(Count = 0; Count < uIndex; Count++) {
 493       if (lpls->lpNext == NULL) return LB_ERR;
 494
 495       lpls2 = lpls;
 496       lpls = (LPLISTSTRUCT)lpls->lpNext;
 497     }
 498     lpls2->lpNext = lpls->lpNext;
 499   }
 500
 501   /* adjust the itemID field of the following entries */
 502   for(lpls2 = lpls->lpNext; lpls2 != NULL; lpls2 = lpls2->lpNext) {
 503       lpls2->mis.itemID--;
 504   }
 505
 506   lphl->ItemsCount--;
 507
 508   if (lpls->hData != 0) LIST_HEAP_FREE(lphl, lpls->hData);
 509   free(lpls);
 510
 511   return lphl->ItemsCount;
 512 }
 513
 514
 515 int ListBoxFindString(LPHEADLIST lphl, UINT nFirst, SEGPTR MatchStr)
 516 {
 517   LPLISTSTRUCT lpls;
 518   UINT         Count;
 519   UINT         First = nFirst + 1;
 520   LPSTR        lpMatchStr = (LPSTR)MatchStr;
 521
 522   if (First > lphl->ItemsCount) return LB_ERR;
 523
 524   if (lphl->HasStrings) lpMatchStr = PTR_SEG_TO_LIN(MatchStr);
 525
 526   lpls = ListBoxGetItem(lphl, First);
 527   Count = 0;
 528   while(lpls != NULL) {
 529     if (lphl->HasStrings) {
 530       if (strstr(lpls->itemText, lpMatchStr) == lpls->itemText) return Count;
 531     } else if (lphl->dwStyle & LBS_SORT) {
 532       /* XXX Do a compare item */
 533     }
 534     else
 535       if (lpls->mis.itemData == (DWORD)lpMatchStr) return Count;
 536
 537     lpls = lpls->lpNext;
 538     Count++;
 539   }
 540
 541   /* Start over at top */
 542   Count = 0;
 543   lpls = lphl->lpFirst;
 544
 545   while (Count < First) {
 546     if (lphl->HasStrings) {
 547       if (strstr(lpls->itemText, lpMatchStr) == lpls->itemText) return Count;
 548     } else if (lphl->dwStyle & LBS_SORT) {
 549       /* XXX Do a compare item */
 550     } else {
 551       if (lpls->mis.itemData == (DWORD)lpMatchStr) return Count;
 552     }
 553     lpls = lpls->lpNext;
 554     Count++;
 555   }
 556
 557   return LB_ERR;
 558 }
 559
 560
 561 int ListBoxResetContent(LPHEADLIST lphl)
 562 {
 563     LPLISTSTRUCT lpls;
 564     int i;
 565
 566     if (lphl->ItemsCount == 0) return 0;
 567
 568     dprintf_listbox(stddeb, "ListBoxResetContent // ItemCount = %d\n",
 569         lphl->ItemsCount);
 570
 571     for(i = 0; i < lphl->ItemsCount; i++) {
 572       lpls = lphl->lpFirst;
 573       if (lpls == NULL) return LB_ERR;
 574
 575       lphl->lpFirst = lpls->lpNext;
 576       if (lpls->hData != 0) LIST_HEAP_FREE(lphl, lpls->hData);
 577       free(lpls);
 578     }
 579     ListBoxInitialize(lphl);
 580
 581     return TRUE;
 582 }
 583
 584 /* --------------------- selection ------------------------- */
 585
 586 int ListBoxSetCurSel(LPHEADLIST lphl, WORD wIndex)
 587 {
 588   LPLISTSTRUCT lpls;
 589
 590   /* use ListBoxSetSel instead */
 591   if (lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL) ) return 0;
 592
 593   /* unselect previous item */
 594   if (lphl->ItemFocused != -1) {
 595     lphl->PrevFocused = lphl->ItemFocused;
 596     lpls = ListBoxGetItem(lphl, lphl->ItemFocused);
 597     if (lpls == 0) return LB_ERR;
 598     lpls->itemState = 0;
 599   }
 600
 601   if (wIndex != (UINT)-1) {
 602     lphl->ItemFocused = wIndex;
 603     lpls = ListBoxGetItem(lphl, wIndex);
 604     if (lpls == 0) return LB_ERR;
 605     lpls->itemState = ODS_SELECTED | ODS_FOCUS;
 606
 607     return 0;
 608   }
 609
 610   return LB_ERR;
 611 }
 612
 613
 614 int ListBoxSetSel(LPHEADLIST lphl, WORD wIndex, WORD state)
 615 {
 616   LPLISTSTRUCT  lpls;
 617   int           n = 0;
 618
 619   if (!(lphl->dwStyle &  (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)  ))
 620         return LB_ERR;
 621
 622   if (wIndex == (UINT)-1) {
 623     for (lpls = lphl->lpFirst; lpls != NULL; lpls = lpls->lpNext) {
 624       if( lpls->itemState & ODS_SELECTED) n++;
 625       lpls->itemState = state? lpls->itemState |  ODS_SELECTED
 626                              : lpls->itemState & ~ODS_SELECTED;
 627     }
 628     return n;
 629   }
 630
 631   if (wIndex >= lphl->ItemsCount) return LB_ERR;
 632
 633   lpls = ListBoxGetItem(lphl, wIndex);
 634   lpls->itemState = state? lpls->itemState |  ODS_SELECTED
 635                          : lpls->itemState & ~ODS_SELECTED;
 636
 637   return 0;
 638 }
 639
 640
 641 int ListBoxGetSel(LPHEADLIST lphl, WORD wIndex)
 642 {
 643   LPLISTSTRUCT lpls = ListBoxGetItem(lphl, wIndex);
 644
 645   if (lpls == NULL) return LB_ERR;
 646   return lpls->itemState & ODS_SELECTED;
 647 }
 648
 649 /* ------------------------- dir listing ------------------------ */
 650
 651 LONG ListBoxDirectory(LPHEADLIST lphl, UINT attrib, LPCSTR filespec)
 652 {
 653     char temp[16], mask[13];
 654     char *path, *p;
 655     const char *ptr;
 656     int skip, count;
 657     LONG ret;
 658     DOS_DIRENT entry;
 659
 660     dprintf_listbox(stddeb, "ListBoxDirectory: '%s' %04x\n", filespec, attrib);
 661     if (!filespec) return LB_ERR;
 662     if (!(ptr = DOSFS_GetUnixFileName( filespec, FALSE ))) return LB_ERR;
 663     path = xstrdup(ptr);
 664     p = strrchr( path, '/' );
 665     *p++ = '\0';
 666     if (!(ptr = DOSFS_ToDosFCBFormat( p )))
 667     {
 668         free( path );
 669         return LB_ERR;
 670     }
 671     strcpy( mask, ptr );
 672
 673     dprintf_listbox(stddeb, "ListBoxDirectory: path=%s mask=%s\n", path, mask);
 674
 675     skip = ret = 0;
 676     attrib &= ~FA_LABEL;
 677     while ((count = DOSFS_FindNext( path, mask, 0, attrib, skip, &entry )) > 0)
 678     {
 679         skip += count;
 680         if (entry.attr & FA_DIRECTORY)
 681         {
 682             if ((attrib & DDL_DIRECTORY) && strcmp(entry.name, ".          "))
 683             {
 684                 sprintf(temp, "[%s]", DOSFS_ToDosDTAFormat( entry.name ) );
 685                 AnsiLower( temp );
 686                 if ((ret = ListBoxAddString(lphl, temp)) == LB_ERR) break;
 687             }
 688         }
 689         else  /* not a directory */
 690         {
 691             if (!(attrib & DDL_EXCLUSIVE) ||
 692                 ((attrib & (FA_RDONLY|FA_HIDDEN|FA_SYSTEM|FA_ARCHIVE)) ==
 693                  (entry.attr & (FA_RDONLY|FA_HIDDEN|FA_SYSTEM|FA_ARCHIVE))))
 694             {
 695                 strcpy( temp, DOSFS_ToDosDTAFormat( entry.name ) );
 696                 AnsiLower( temp );
 697                 if ((ret = ListBoxAddString(lphl, temp)) == LB_ERR) break;
 698             }
 699         }
 700     }
 701     if (attrib & DDL_DRIVES)
 702     {
 703         int x;
 704         strcpy( temp, "[-a-]" );
 705         for (x = 0; x < MAX_DOS_DRIVES; x++, temp[2]++)
 706         {
 707             if (DRIVE_IsValid(x))
 708                 if ((ret = ListBoxAddString(lphl, temp)) == LB_ERR) break;
 709         }
 710     }
 711     free( path );
 712     return ret;
 713 }
 714
 715 /* ------------------------- dimensions ------------------------- */
 716
 717 int ListBoxGetItemRect(LPHEADLIST lphl, WORD wIndex, LPRECT lprect)
 718 {
 719   LPLISTSTRUCT lpls = ListBoxGetItem(lphl,wIndex);
 720
 721   if (lpls == NULL) return LB_ERR;
 722   *lprect = lpls->itemRect;
 723   return 0;
 724 }
 725
 726
 727 int ListBoxSetItemHeight(LPHEADLIST lphl, WORD wIndex, long height)
 728 {
 729   LPLISTSTRUCT lpls;
 730
 731   if (!(lphl->dwStyle & LBS_OWNERDRAWVARIABLE)) {
 732     lphl->StdItemHeight = (short)height;
 733     return 0;
 734   }
 735
 736   lpls = ListBoxGetItem(lphl, wIndex);
 737   if (lpls == NULL) return LB_ERR;
 738
 739   lpls->mis.itemHeight = height;
 740   return 0;
 741 }
 742
 743 /* -------------------------- string search ------------------------ */
 744
 745 int ListBoxFindNextMatch(LPHEADLIST lphl, WORD wChar)
 746 {
 747   LPLISTSTRUCT lpls;
 748   UINT         count,first;
 749
 750   if ((char)wChar < ' ') return LB_ERR;
 751   if (!lphl->HasStrings) return LB_ERR;
 752
 753   lpls = lphl->lpFirst;
 754
 755   for (count = 0; lpls != NULL; lpls = lpls->lpNext, count++) {
 756     if (tolower(*lpls->itemText) == tolower((char)wChar)) break;
 757   }
 758   if (lpls == NULL) return LB_ERR;
 759   first = count;
 760   for(; lpls != NULL; lpls = lpls->lpNext, count++) {
 761     if (*lpls->itemText != (char)wChar)
 762       break;
 763     if ((short) count > lphl->ItemFocused)
 764       return count;
 765   }
 766   return first;
 767 }
 768
 769 /***********************************************************************
 770  *           LBCreate
 771  */
 772 static LONG LBCreate(HWND hwnd, WORD wParam, LONG lParam)
 773 {
 774   LPHEADLIST   lphl;
 775   LONG         dwStyle = GetWindowLong(hwnd,GWL_STYLE);
 776   RECT rect;
 777
 778   CreateListBoxStruct(hwnd, ODT_LISTBOX, dwStyle, GetParent(hwnd));
 779   lphl = ListBoxGetStorageHeader(hwnd);
 780   dprintf_listbox(stddeb,"ListBox created: lphl = %p dwStyle = %04x:%04x\n",
 781                           lphl, HIWORD(dwStyle), LOWORD(dwStyle));
 782
 783   GetClientRect(hwnd,&rect);
 784   lphl->ColumnsWidth = rect.right - rect.left;
 785
 786   SetScrollRange(hwnd, SB_VERT, 0, ListMaxFirstVisible(lphl), TRUE);
 787   SetScrollRange(hwnd, SB_HORZ, 1, 1, TRUE);
 788
 789   return 0;
 790 }
 791
 792
 793 /***********************************************************************
 794  *           LBDestroy
 795  */
 796 static LONG LBDestroy(HWND hwnd, WORD wParam, LONG lParam)
 797 {
 798   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
 799
 800   ListBoxResetContent(lphl);
 801
 802   DestroyListBoxStruct(lphl);
 803   dprintf_listbox(stddeb,"ListBox destroyed: lphl = %p\n",lphl);
 804   return 0;
 805 }
 806
 807 /***********************************************************************
 808  *           LBVScroll
 809  */
 810 static LONG LBVScroll(HWND hwnd, WORD wParam, LONG lParam)
 811 {
 812   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
 813   int  y;
 814
 815   dprintf_listbox(stddeb,"ListBox WM_VSCROLL w=%04X l=%08lX !\n",
 816                   wParam, lParam);
 817   y = lphl->FirstVisible;
 818
 819   switch(wParam) {
 820   case SB_LINEUP:
 821     if (lphl->FirstVisible > 0)
 822       lphl->FirstVisible--;
 823     break;
 824
 825   case SB_LINEDOWN:
 826     lphl->FirstVisible++;
 827     break;
 828
 829   case SB_PAGEUP:
 830     if (lphl->FirstVisible > lphl->ItemsVisible) {
 831       lphl->FirstVisible -= lphl->ItemsVisible;
 832     } else {
 833       lphl->FirstVisible = 0;
 834     }
 835     break;
 836
 837   case SB_PAGEDOWN:
 838     lphl->FirstVisible += lphl->ItemsVisible;
 839     break;
 840
 841   case SB_THUMBTRACK:
 842     lphl->FirstVisible = LOWORD(lParam);
 843     break;
 844   }
 845
 846   if (lphl->FirstVisible > ListMaxFirstVisible(lphl))
 847     lphl->FirstVisible = ListMaxFirstVisible(lphl);
 848
 849   if (y != lphl->FirstVisible) {
 850     SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
 851     InvalidateRect(hwnd, NULL, TRUE);
 852   }
 853   return 0;
 854 }
 855
 856 /***********************************************************************
 857  *           LBHScroll
 858  */
 859 static LONG LBHScroll(HWND hwnd, WORD wParam, LONG lParam)
 860 {
 861   LPHEADLIST lphl;
 862   int        y;
 863
 864   dprintf_listbox(stddeb,"ListBox WM_HSCROLL w=%04X l=%08lX !\n",
 865                   wParam, lParam);
 866   lphl = ListBoxGetStorageHeader(hwnd);
 867   y = lphl->FirstVisible;
 868   switch(wParam) {
 869   case SB_LINEUP:
 870     if (lphl->FirstVisible > lphl->ItemsPerColumn) {
 871       lphl->FirstVisible -= lphl->ItemsPerColumn;
 872     } else {
 873       lphl->FirstVisible = 0;
 874     }
 875     break;
 876   case SB_LINEDOWN:
 877     lphl->FirstVisible += lphl->ItemsPerColumn;
 878     break;
 879   case SB_PAGEUP:
 880     if (lphl->ItemsPerColumn != 0) {
 881       int lbsub = lphl->ItemsVisible / lphl->ItemsPerColumn * lphl->ItemsPerColumn;
 882       if (lphl->FirstVisible > lbsub) {
 883         lphl->FirstVisible -= lbsub;
 884       } else {
 885         lphl->FirstVisible = 0;
 886       }
 887     }
 888     break;
 889   case SB_PAGEDOWN:
 890     if (lphl->ItemsPerColumn != 0)
 891       lphl->FirstVisible += lphl->ItemsVisible /
 892         lphl->ItemsPerColumn * lphl->ItemsPerColumn;
 893     break;
 894   case SB_THUMBTRACK:
 895     lphl->FirstVisible = lphl->ItemsPerColumn * LOWORD(lParam);
 896     break;
 897   }
 898   if (lphl->FirstVisible > ListMaxFirstVisible(lphl))
 899     lphl->FirstVisible = ListMaxFirstVisible(lphl);
 900
 901   if (lphl->ItemsPerColumn != 0) {
 902     lphl->FirstVisible = lphl->FirstVisible /
 903       lphl->ItemsPerColumn * lphl->ItemsPerColumn + 1;
 904     if (y != lphl->FirstVisible) {
 905       SetScrollPos(hwnd, SB_HORZ, lphl->FirstVisible /
 906                    lphl->ItemsPerColumn + 1, TRUE);
 907       InvalidateRect(hwnd, NULL, TRUE);
 908     }
 909   }
 910   return 0;
 911 }
 912
 913 /***********************************************************************
 914  *           LBLButtonDown
 915  */
 916 static LONG LBLButtonDown(HWND hwnd, WORD wParam, LONG lParam)
 917 {
 918   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
 919   WORD       wRet;
 920   int        y,n;
 921   RECT       rectsel;
 922   POINT      tmpPOINT;
 923   tmpPOINT.x = LOWORD(lParam); tmpPOINT.y = HIWORD(lParam);
 924
 925   SetFocus(hwnd);
 926   SetCapture(hwnd);
 927
 928   lphl->PrevFocused = lphl->ItemFocused;
 929
 930   y = ListBoxFindMouse(lphl, LOWORD(lParam), HIWORD(lParam));
 931
 932   if (y == -1) return 0;
 933
 934   if (lphl->dwStyle & LBS_NOTIFY && y!= LB_ERR )
 935      if( SendMessage(lphl->hParent, WM_LBTRACKPOINT, y, lParam) )
 936          return 0;
 937
 938
 939   switch( lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL) )
 940    {
 941         case LBS_MULTIPLESEL:
 942                 lphl->ItemFocused = y;
 943                 wRet = ListBoxGetSel(lphl, y);
 944                 ListBoxSetSel(lphl, y, !wRet);
 945                 break;
 946         case LBS_EXTENDEDSEL:
 947                 /* should handle extended mode here and in kbd handler
 948                  */
 949
 950                 if ( lphl->PrevFocused != y && y!= LB_ERR)
 951                  {
 952                    LPLISTSTRUCT lpls = ListBoxGetItem( lphl, lphl->ItemFocused = y );
 953                    n = ListBoxSetSel(lphl,-1,FALSE);
 954
 955                    lpls->itemState = ODS_FOCUS | ODS_SELECTED;
 956
 957                    if( n > 1 && n != LB_ERR )
 958                      InvalidateRect(hwnd,NULL,TRUE);
 959                  }
 960                 else
 961                        return 0;
 962
 963                 break;
 964         case 0:
 965                 if( y!=lphl->ItemFocused )
 966                   ListBoxSetCurSel(lphl, y);
 967                 else
 968                   return 0;
 969                 break;
 970         default:
 971                 fprintf(stdnimp,"Listbox: LBS_MULTIPLESEL and LBS_EXTENDEDSEL are on!\n");
 972                 return 0;
 973    }
 974
 975  /* invalidate changed items */
 976  if( lphl->dwStyle & LBS_MULTIPLESEL || y!=lphl->PrevFocused )
 977    {
 978      ListBoxGetItemRect(lphl, y, &rectsel);
 979      InvalidateRect(hwnd, &rectsel, TRUE);
 980    }
 981  if( lphl->PrevFocused!=-1 && y!=lphl->PrevFocused )
 982    {
 983      ListBoxGetItemRect(lphl, lphl->PrevFocused, &rectsel);
 984      InvalidateRect(hwnd, &rectsel, TRUE);
 985    }
 986
 987 #ifndef WINELIB
 988   if (GetWindowLong(lphl->hSelf,GWL_EXSTYLE) & WS_EX_DRAGDETECT)
 989      if( DragDetect(lphl->hSelf,tmpPOINT) )
 990          SendMessage(lphl->hParent, WM_BEGINDRAG,0,0L);
 991 #endif
 992   return 0;
 993 }
 994
 995 /***********************************************************************
 996  *           LBLButtonUp
 997  */
 998 static LONG LBLButtonUp(HWND hwnd, WORD wParam, LONG lParam)
 999 {
1000   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1001
1002   if (GetCapture() == hwnd) ReleaseCapture();
1003
1004   if (lphl->PrevFocused != lphl->ItemFocused)
1005     ListBoxSendNotification(lphl, LBN_SELCHANGE);
1006
1007   return 0;
1008 }
1009
1010 /***********************************************************************
1011  *           LBRButtonUp
1012  */
1013 static LONG LBRButtonUp(HWND hwnd, WORD wParam, LONG lParam)
1014 {
1015   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1016
1017 #ifdef WINELIB32
1018   SendMessage(lphl->hParent, WM_COMMAND,
1019               MAKEWPARAM(GetWindowWord(hwnd,GWW_ID),LBN_DBLCLK),
1020               (LPARAM)hwnd);
1021 #else
1022   SendMessage(lphl->hParent, WM_COMMAND, GetWindowWord(hwnd,GWW_ID),
1023                 MAKELONG(hwnd, LBN_DBLCLK));
1024 #endif
1025
1026   return 0;
1027 }
1028
1029 /***********************************************************************
1030  *           LBMouseMove
1031  */
1032 static LONG LBMouseMove(HWND hwnd, WORD wParam, LONG lParam)
1033 {
1034   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1035   int  y,redraw_prev = 0;
1036   int  iRet;
1037   RECT rect, rectsel;   /* XXX Broken */
1038
1039   dprintf_listbox(stddeb,"LBMouseMove %d %d\n",SLOWORD(lParam),SHIWORD(lParam));
1040   if ((wParam & MK_LBUTTON) != 0) {
1041     y = SHIWORD(lParam);
1042     if (y < LBMM_EDGE) {
1043       if (lphl->FirstVisible > 0) {
1044         lphl->FirstVisible--;
1045         SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1046         InvalidateRect(hwnd, NULL, TRUE);
1047         return 0;
1048       }
1049     }
1050     GetClientRect(hwnd, &rect);
1051     if (y >= (rect.bottom-LBMM_EDGE)) {
1052       if (lphl->FirstVisible < ListMaxFirstVisible(lphl)) {
1053         lphl->FirstVisible++;
1054         SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1055         InvalidateRect(hwnd, NULL, TRUE);
1056         return 0;
1057       }
1058       }
1059     if ((y > 0) && (y < (rect.bottom - LBMM_EDGE))) {
1060       if ((y < rectsel.top) || (y > rectsel.bottom)) {
1061         iRet = ListBoxFindMouse(lphl, LOWORD(lParam), HIWORD(lParam));
1062         if (iRet == lphl->ItemFocused || iRet == -1)  {
1063           return 0;
1064         }
1065         if (lphl->dwStyle & LBS_MULTIPLESEL) {
1066           lphl->ItemFocused = iRet;
1067           ListBoxSendNotification(lphl, LBN_SELCHANGE);
1068         } else if ( lphl->dwStyle & LBS_EXTENDEDSEL )
1069                   {
1070                      /* Fixme: extended selection mode */
1071                      ListBoxSetSel( lphl, lphl->ItemFocused, 0);
1072                      lphl->PrevFocused = lphl->ItemFocused;
1073                      lphl->ItemFocused = iRet;
1074                      ListBoxSetSel( lphl, iRet, TRUE);
1075                      redraw_prev = 1;
1076                   }
1077                else
1078                   {
1079                      ListBoxSetCurSel(lphl, (WORD)iRet);
1080                      redraw_prev = 1;
1081                   }
1082         if( lphl->PrevFocused!=-1 && redraw_prev )
1083           {
1084             ListBoxGetItemRect(lphl, lphl->PrevFocused, &rectsel);
1085             InvalidateRect(hwnd, &rectsel, TRUE);
1086           }
1087         ListBoxGetItemRect(lphl, iRet, &rectsel);
1088         InvalidateRect(hwnd, &rectsel, TRUE);
1089       }
1090     }
1091   }
1092
1093   return 0;
1094   }
1095
1096 /***********************************************************************
1097  *           LBKeyDown
1098  *
1099  * Doesn't yet handle properly VK_SHIFT with LB_EXTENDEDSEL
1100  */
1101 static LONG LBKeyDown(HWND hwnd, WORD wParam, LONG lParam)
1102 {
1103   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1104   WORD       newFocused = 0xFFFF;
1105   RECT       rect;
1106
1107   ListBoxGetItemRect(lphl,lphl->ItemFocused,&rect);
1108   switch(wParam)
1109     {
1110         case VK_HOME:
1111         case VK_END:
1112         case VK_LEFT:
1113         case VK_RIGHT:
1114         case VK_UP:
1115         case VK_DOWN:
1116         case VK_PRIOR:
1117         case VK_NEXT:
1118              if ( lphl->dwStyle & LBS_WANTKEYBOARDINPUT )
1119                 {
1120                   newFocused = (WORD)(INT)SendMessage(lphl->hParent,WM_VKEYTOITEM,
1121                                                       wParam,MAKELPARAM(lphl->ItemFocused,hwnd));
1122                   if ( newFocused == 0xFFFE ) return 0L;
1123                 }
1124              if ( newFocused == 0xFFFF )
1125                 {
1126                   newFocused = lphl->ItemFocused;
1127
1128                   /* nested switch */
1129                   switch(wParam)
1130                     {
1131                         case VK_HOME:
1132                           newFocused = 0;
1133                           break;
1134                         case VK_END:
1135                           newFocused = lphl->ItemsCount - 1;
1136                           break;
1137                         case VK_LEFT:
1138                           if (lphl->dwStyle & LBS_MULTICOLUMN) {
1139                             if (newFocused >= lphl->ItemsPerColumn) {
1140                                 newFocused -= lphl->ItemsPerColumn;
1141                             } else {
1142                                 newFocused = 0;
1143                             }
1144                           }
1145                           break;
1146                         case VK_UP:
1147                           if (newFocused > 0) newFocused--;
1148                           break;
1149                         case VK_RIGHT:
1150                           if (lphl->dwStyle & LBS_MULTICOLUMN)
1151                              newFocused += lphl->ItemsPerColumn;
1152                           break;
1153                         case VK_DOWN:
1154                           newFocused++;
1155                           break;
1156                         case VK_PRIOR:
1157                           if (newFocused > lphl->ItemsVisible)
1158                               newFocused -= lphl->ItemsVisible;
1159                             else  newFocused = 0;
1160                             break;
1161                         case VK_NEXT:
1162                           newFocused += lphl->ItemsVisible;
1163                           break;
1164                         default:
1165                           return 0;
1166                     }
1167                   /* end of nested switch */
1168                 }
1169              break;
1170         case VK_SPACE:
1171              if (lphl->dwStyle & LBS_MULTIPLESEL)
1172                 {
1173                  WORD wRet = ListBoxGetSel(lphl, lphl->ItemFocused);
1174                  ListBoxSetSel(lphl, lphl->ItemFocused, !wRet);
1175                  }
1176              return 0;
1177
1178         /* chars are handled in LBChar */
1179         default:
1180              return 0;
1181     }
1182
1183   /* at this point newFocused is set up */
1184
1185   if (newFocused >= lphl->ItemsCount)
1186     newFocused = lphl->ItemsCount - 1;
1187
1188   if (!(lphl->dwStyle & LBS_MULTIPLESEL))
1189      {
1190         ListBoxSetCurSel(lphl, newFocused);
1191         ListBoxSendNotification(lphl, LBN_SELCHANGE);
1192      }
1193
1194   lphl->ItemFocused = newFocused;
1195
1196   if( ListBoxScrollToFocus(lphl) || (lphl->dwStyle &
1197                           (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)) )
1198   InvalidateRect(hwnd, NULL, TRUE);
1199   else
1200     {
1201         InvalidateRect(hwnd, &rect, TRUE);
1202         if( newFocused < 0x8000 )
1203           {
1204            ListBoxGetItemRect(lphl, newFocused, &rect);
1205            InvalidateRect(hwnd, &rect, TRUE);
1206           }
1207     }
1208
1209   SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1210
1211   return 0;
1212 }
1213
1214 /***********************************************************************
1215  *           LBChar
1216  */
1217 static LONG LBChar(HWND hwnd, WORD wParam, LONG lParam)
1218 {
1219   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1220   WORD       newFocused = 0xFFFF;
1221
1222   if ( (lphl->dwStyle & LBS_WANTKEYBOARDINPUT) && !(lphl->HasStrings))
1223        {
1224         newFocused = (WORD)(INT)SendMessage(lphl->hParent,WM_CHARTOITEM,
1225                                             wParam,MAKELPARAM(lphl->ItemFocused,hwnd));
1226         if ( newFocused == 0xFFFE ) return 0L;
1227        }
1228
1229   if (newFocused == 0xFFFF )
1230   newFocused = ListBoxFindNextMatch(lphl, wParam);
1231
1232   if (newFocused == (WORD)LB_ERR) return 0;
1233
1234   if (newFocused >= lphl->ItemsCount)
1235     newFocused = lphl->ItemsCount - 1;
1236
1237   if (!(lphl->dwStyle & LBS_MULTIPLESEL))
1238      {
1239     ListBoxSetCurSel(lphl, newFocused);
1240         ListBoxSendNotification(lphl, LBN_SELCHANGE);
1241   }
1242
1243   lphl->ItemFocused = newFocused;
1244   ListBoxScrollToFocus(lphl);
1245   SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1246
1247   InvalidateRect(hwnd, NULL, TRUE);
1248
1249   return 0;
1250 }
1251
1252 /***********************************************************************
1253  *           LBSetRedraw
1254  */
1255 static LONG LBSetRedraw(HWND hwnd, WORD wParam, LONG lParam)
1256 {
1257   LPHEADLIST  lphl = ListBoxGetStorageHeader(hwnd);
1258
1259   dprintf_listbox(stddeb,"ListBox WM_SETREDRAW hWnd=%04x w=%04x !\n",
1260                   hwnd, wParam);
1261   lphl->bRedrawFlag = wParam;
1262
1263   return 0;
1264 }
1265
1266 /***********************************************************************
1267  *           LBSetFont
1268  */
1269 static LONG LBSetFont(HWND hwnd, WPARAM wParam, LPARAM lParam)
1270 {
1271   LPHEADLIST  lphl = ListBoxGetStorageHeader(hwnd);
1272   HDC hdc;
1273
1274   if (wParam == 0)
1275     lphl->hFont = GetStockObject(SYSTEM_FONT);
1276   else
1277     lphl->hFont = (HFONT) wParam;
1278
1279   /* a new font means possible new text height */
1280   /* does this mean the height of each entry must be separately changed? */
1281   /* or are we guaranteed to get a LBSetFont before the first insert/add? */
1282   if ((hdc = GetDC(0)))
1283   {
1284       TEXTMETRIC tm;
1285       GetTextMetrics( hdc, &tm );
1286       lphl->StdItemHeight = tm.tmHeight;
1287       dprintf_listbox(stddeb,"LBSetFont:  new font %d with height %d\n",
1288                       lphl->hFont, lphl->StdItemHeight);
1289       ReleaseDC( 0, hdc );
1290   }
1291
1292   return 0;
1293 }
1294
1295 /***********************************************************************
1296  *           LBPaint
1297  */
1298 static LONG LBPaint(HWND hwnd, WORD wParam, LONG lParam)
1299 {
1300   LPHEADLIST   lphl = ListBoxGetStorageHeader(hwnd);
1301   LPLISTSTRUCT lpls;
1302   PAINTSTRUCT  ps;
1303   HBRUSH       hBrush;
1304   HFONT        hOldFont;
1305   HDC   hdc    = BeginPaint( hwnd, &ps );
1306   DC    *dc    = (DC *)GDI_GetObjPtr(hdc, DC_MAGIC);
1307   RECT  rect, paintRect, scratchRect;
1308   int   i, top, height, maxwidth, ipc;
1309
1310
1311   top = 0;
1312
1313   if (!IsWindowVisible(hwnd) || !lphl->bRedrawFlag) {
1314     EndPaint(hwnd, &ps);
1315     return 0;
1316   }
1317
1318   GetRgnBox(dc->w.hGCClipRgn,&paintRect);
1319   GetClientRect(hwnd, &rect);
1320   IntersectRect(&paintRect,&rect,&paintRect);
1321
1322   hOldFont = SelectObject(hdc, lphl->hFont);
1323
1324 #ifdef WINELIB32
1325   hBrush = (HBRUSH) SendMessage(lphl->hParent, WM_CTLCOLORLISTBOX, (WPARAM)hdc,
1326                                 (LPARAM)hwnd);
1327 #else
1328   hBrush = SendMessage(lphl->hParent, WM_CTLCOLOR, hdc,
1329                        MAKELONG(hwnd, CTLCOLOR_LISTBOX));
1330 #endif
1331
1332   if (hBrush == 0) hBrush = GetStockObject(WHITE_BRUSH);
1333
1334   FillRect(hdc, &rect, hBrush);
1335
1336   maxwidth = rect.right;
1337   if (lphl->dwStyle & LBS_MULTICOLUMN) {
1338     rect.right = lphl->ColumnsWidth;
1339   }
1340   lpls = lphl->lpFirst;
1341
1342   lphl->ItemsVisible = 0;
1343   lphl->ItemsPerColumn = ipc = 0;
1344
1345   for(i = 0; i < lphl->ItemsCount; i++) {
1346     if (lpls == NULL) break;
1347
1348     if (i >= lphl->FirstVisible) {
1349       height = lpls->mis.itemHeight;
1350
1351       if (top > (rect.bottom-height+1)) {
1352         if (lphl->dwStyle & LBS_MULTICOLUMN) {
1353           lphl->ItemsPerColumn = MAX(lphl->ItemsPerColumn, ipc);
1354           ipc = 0;
1355           top = 0;
1356           rect.left += lphl->ColumnsWidth;
1357           rect.right += lphl->ColumnsWidth;
1358           if (rect.left > maxwidth) break;
1359         } else {
1360           break;
1361         }
1362       }
1363
1364       lpls->itemRect.top    = top;
1365       lpls->itemRect.bottom = top + height;
1366       lpls->itemRect.left   = rect.left;
1367       lpls->itemRect.right  = rect.right;
1368
1369       if( IntersectRect(&scratchRect,&paintRect,&lpls->itemRect) )
1370        {
1371         dprintf_listbox(stddeb,"LBPaint: drawing item: %d %d %d %d %d\n",
1372                         rect.left,top,rect.right,top+height,lpls->itemState);
1373
1374         if (lphl->OwnerDrawn && (lphl->ItemFocused == i) && GetFocus() == hwnd)
1375            {
1376              ListBoxDrawItem (hwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_FOCUS,
1377                                                       lpls->itemState & ~ODS_FOCUS);
1378              ListBoxDrawItem (hwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_DRAWENTIRE,
1379                                                       lpls->itemState & ~ODS_FOCUS);
1380              ListBoxDrawItem (hwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_FOCUS, lpls->itemState);
1381            }
1382         else
1383             ListBoxDrawItem (hwnd, lphl, hdc, lpls, &lpls->itemRect, ODA_DRAWENTIRE,
1384                                                      lpls->itemState);
1385        }
1386
1387       top += height;
1388       lphl->ItemsVisible++;
1389       ipc++;
1390     }
1391
1392     lpls = lpls->lpNext;
1393   }
1394   ListBoxUpdateWindow(hwnd,lphl,FALSE);
1395   SelectObject(hdc,hOldFont);
1396   EndPaint( hwnd, &ps );
1397   return 0;
1398 }
1399
1400 /***********************************************************************
1401  *           LBSetFocus
1402  */
1403 static LONG LBSetFocus(HWND hwnd, WORD wParam, LONG lParam)
1404 {
1405   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1406
1407   dprintf_listbox(stddeb,"ListBox WM_SETFOCUS for %04x\n",hwnd);
1408   if(!(lphl->dwStyle & LBS_MULTIPLESEL) )
1409        if( lphl->ItemsCount && lphl->ItemFocused != -1)
1410          {
1411            HDC          hDC = GetDC(hwnd);
1412            HFONT        hOldFont = SelectObject(hDC, lphl->hFont);
1413            LPLISTSTRUCT lpls;
1414
1415            lpls = ListBoxGetItem(lphl,lphl->ItemFocused);
1416            lpls->itemState |= ODS_FOCUS;
1417
1418            ListBoxDrawItem(hwnd,lphl,hDC,lpls,&lpls->itemRect, ODA_FOCUS, lpls->itemState);
1419            SelectObject(hDC, hOldFont);
1420            ReleaseDC(hwnd,hDC);
1421          }
1422
1423   ListBoxSendNotification(lphl, LBN_SETFOCUS);
1424
1425   return 0;
1426 }
1427
1428 /***********************************************************************
1429  *           LBKillFocus
1430  */
1431 static LONG LBKillFocus(HWND hwnd, WORD wParam, LONG lParam)
1432 {
1433   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1434
1435   dprintf_listbox(stddeb,"ListBox WM_KILLFOCUS for %04x\n",hwnd);
1436   if (!(lphl->dwStyle & LBS_MULTIPLESEL))
1437      {
1438        if( lphl->ItemsCount )
1439            if( lphl->ItemFocused != -1 )
1440              {
1441               HDC          hDC = GetDC(hwnd);
1442               HFONT        hOldFont = SelectObject(hDC, lphl->hFont);
1443               LPLISTSTRUCT lpls;
1444
1445               lpls = ListBoxGetItem(lphl,lphl->ItemFocused);
1446               lpls->itemState &= ~ODS_FOCUS;
1447
1448               ListBoxDrawItem(hwnd,lphl,hDC,lpls,&lpls->itemRect, ODA_FOCUS, lpls->itemState);
1449               SelectObject(hDC, hOldFont);
1450               ReleaseDC(hwnd,hDC);
1451              }
1452            else
1453              dprintf_listbox(stddeb,"LBKillFocus: no focused item!\n");
1454      }
1455   else
1456      InvalidateRect(hwnd, NULL, TRUE);
1457
1458   ListBoxSendNotification(lphl, LBN_KILLFOCUS);
1459
1460   return 0;
1461 }
1462
1463 /***********************************************************************
1464  *           LBResetContent
1465  */
1466 static LONG LBResetContent(HWND hwnd, WORD wParam, LONG lParam)
1467 {
1468   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1469
1470   dprintf_listbox(stddeb,"ListBox LB_RESETCONTENT !\n");
1471   ListBoxResetContent(lphl);
1472   ListBoxUpdateWindow(hwnd, lphl, TRUE);
1473   return 0;
1474 }
1475
1476 /***********************************************************************
1477  *           LBDir
1478  */
1479 static LONG LBDir(HWND hwnd, WORD wParam, LONG lParam)
1480 {
1481     LONG ret;
1482     LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1483     dprintf_listbox(stddeb,"ListBox LB_DIR !\n");
1484
1485     ret = ListBoxDirectory(lphl, wParam, (LPSTR)PTR_SEG_TO_LIN(lParam));
1486     ListBoxUpdateWindow(hwnd, lphl, TRUE);
1487     return ret;
1488 }
1489
1490 /***********************************************************************
1491  *           LBAddString
1492  */
1493 static LONG LBAddString(HWND hwnd, WORD wParam, LONG lParam)
1494 {
1495   WORD  wRet;
1496   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1497
1498   if (lphl->HasStrings)
1499     wRet = ListBoxAddString(lphl, (LPCSTR)PTR_SEG_TO_LIN(lParam));
1500   else
1501     wRet = ListBoxAddString(lphl, (LPCSTR)lParam);
1502
1503   ListBoxUpdateWindow(hwnd,lphl,TRUE);
1504   return wRet;
1505 }
1506
1507 /***********************************************************************
1508  *           LBGetText
1509  */
1510 static LONG LBGetText(HWND hwnd, WORD wParam, LONG lParam)
1511 {
1512   LONG   wRet;
1513   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1514
1515   dprintf_listbox(stddeb, "LB_GETTEXT  wParam=%d\n",wParam);
1516   wRet = ListBoxGetText(lphl, wParam, (LPSTR)PTR_SEG_TO_LIN(lParam));
1517
1518   return wRet;
1519 }
1520
1521 /***********************************************************************
1522  *           LBInsertString
1523  */
1524 static LONG LBInsertString(HWND hwnd, WORD wParam, LONG lParam)
1525 {
1526   WORD  wRet;
1527   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1528
1529   if (lphl->HasStrings)
1530     wRet = ListBoxInsertString(lphl, wParam, (LPCSTR)PTR_SEG_TO_LIN(lParam));
1531   else
1532     wRet = ListBoxInsertString(lphl, wParam, (LPCSTR)lParam);
1533
1534   ListBoxUpdateWindow(hwnd,lphl,TRUE);
1535   return wRet;
1536 }
1537
1538 /***********************************************************************
1539  *           LBDeleteString
1540  */
1541 static LONG LBDeleteString(HWND hwnd, WORD wParam, LONG lParam)
1542 {
1543   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1544   LONG lRet = ListBoxDeleteString(lphl,wParam);
1545
1546   ListBoxUpdateWindow(hwnd,lphl,TRUE);
1547   return lRet;
1548 }
1549
1550 /***********************************************************************
1551  *           LBFindString
1552  */
1553 static LONG LBFindString(HWND hwnd, WORD wParam, LONG lParam)
1554 {
1555   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1556   return ListBoxFindString(lphl, wParam, (SEGPTR)lParam);
1557 }
1558
1559 /***********************************************************************
1560  *           LBGetCaretIndex
1561  */
1562 static LONG LBGetCaretIndex(HWND hwnd, WORD wParam, LONG lParam)
1563 {
1564   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1565   return lphl->ItemFocused;
1566 }
1567
1568 /***********************************************************************
1569  *           LBGetCount
1570  */
1571 static LONG LBGetCount(HWND hwnd, WORD wParam, LONG lParam)
1572 {
1573   LPHEADLIST  lphl;
1574
1575   lphl = ListBoxGetStorageHeader(hwnd);
1576   return lphl->ItemsCount;
1577 }
1578
1579 /***********************************************************************
1580  *           LBGetCurSel
1581  */
1582 static LONG LBGetCurSel(HWND hwnd, WORD wParam, LONG lParam)
1583 {
1584   LPHEADLIST  lphl;
1585
1586   lphl = ListBoxGetStorageHeader(hwnd);
1587   dprintf_listbox(stddeb,"ListBox LB_GETCURSEL %i !\n",
1588                   lphl->ItemFocused);
1589   return lphl->ItemFocused;
1590 }
1591
1592 /***********************************************************************
1593  *           LBGetHorizontalExtent
1594  */
1595 static LONG LBGetHorizontalExtent(HWND hwnd, WORD wParam, LONG lParam)
1596 {
1597   return 0;
1598 }
1599
1600 /***********************************************************************
1601  *           LBGetItemHeight
1602  */
1603 static LONG LBGetItemHeight(HWND hwnd, WORD wParam, LONG lParam)
1604 {
1605   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1606   LPLISTSTRUCT lpls = ListBoxGetItem (lphl, wParam);
1607
1608   if (lpls == NULL) return LB_ERR;
1609   return lpls->mis.itemHeight;
1610 }
1611
1612 /***********************************************************************
1613  *           LBGetItemRect
1614  */
1615 static LONG LBGetItemRect(HWND hwnd, WORD wParam, LONG lParam)
1616 {
1617   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1618   return ListBoxGetItemRect(lphl, wParam, PTR_SEG_TO_LIN(lParam));
1619 }
1620
1621 /***********************************************************************
1622  *           LBGetSel
1623  */
1624 static LONG LBGetSel(HWND hwnd, WORD wParam, LONG lParam)
1625 {
1626   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1627   int        iSel = ListBoxGetSel(lphl, wParam);
1628
1629   dprintf_listbox(stdnimp,"LBGetSel: item %u - %i\n",wParam,iSel);
1630
1631   return (iSel)? 1 : 0;
1632 }
1633
1634 /***********************************************************************
1635  *           LBGetSelCount
1636  */
1637 static LONG LBGetSelCount(HWND hwnd, WORD wParam, LONG lParam)
1638 {
1639   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1640   LPLISTSTRUCT lpls;
1641   int          cnt = 0;
1642   int          items = 0;
1643
1644   if (!(lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)  ))
1645          return LB_ERR;
1646
1647   for( lpls = lphl->lpFirst;
1648        lpls;
1649        lpls = lpls->lpNext )
1650         {
1651            items++;
1652            if (lpls->itemState )
1653                cnt++;
1654   }
1655
1656   return cnt;
1657 }
1658
1659 /***********************************************************************
1660  *           LBGetSelItems
1661  */
1662 static LONG LBGetSelItems(HWND hwnd, WORD wParam, LONG lParam)
1663 {
1664   LPHEADLIST  lphl = ListBoxGetStorageHeader(hwnd);
1665   LPLISTSTRUCT lpls;
1666   int cnt, idx;
1667   int *lpItems = PTR_SEG_TO_LIN(lParam);
1668
1669   if (!(lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)  ))
1670         return LB_ERR;
1671
1672   if (wParam == 0) return 0;
1673
1674   lpls = lphl->lpFirst;
1675   cnt = 0; idx = 0;
1676
1677   while (lpls != NULL) {
1678     if (lpls->itemState > 0) lpItems[cnt++] = idx;
1679
1680     if (cnt == wParam) break;
1681     idx++;
1682     lpls = lpls->lpNext;
1683   }
1684
1685   return cnt;
1686 }
1687
1688 /***********************************************************************
1689  *           LBGetTextLen
1690  */
1691 static LONG LBGetTextLen(HWND hwnd, WORD wParam, LONG lParam)
1692 {
1693   LPHEADLIST   lphl = ListBoxGetStorageHeader(hwnd);
1694   LPLISTSTRUCT lpls = ListBoxGetItem(lphl,wParam);
1695
1696   if (lpls == NULL || !lphl->HasStrings) return LB_ERR;
1697   return strlen(lpls->itemText);
1698 }
1699
1700 /***********************************************************************
1701  *           LBGetDlgCode
1702  */
1703 static LONG LBGetDlgCode(HWND hwnd, WORD wParam, LONG lParam)
1704 {
1705   return DLGC_WANTARROWS | DLGC_WANTCHARS;
1706 }
1707
1708 /***********************************************************************
1709  *           LBGetTopIndex
1710  */
1711 static LONG LBGetTopIndex(HWND hwnd, WORD wParam, LONG lParam)
1712 {
1713   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1714
1715   return lphl->FirstVisible;
1716 }
1717
1718
1719 /***********************************************************************
1720  *           LBSelectString
1721  */
1722 static LONG LBSelectString(HWND hwnd, WORD wParam, LONG lParam)
1723 {
1724   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1725   INT  iRet;
1726
1727   iRet = ListBoxFindString(lphl, wParam, (SEGPTR)lParam);
1728
1729   if( iRet != LB_ERR)
1730     {
1731       if( lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL) )
1732          ListBoxSetSel(lphl,iRet,TRUE);
1733       else
1734          ListBoxSetCurSel(lphl,iRet);
1735
1736       lphl->ItemFocused = iRet;
1737       InvalidateRect(hwnd,0,TRUE);
1738     }
1739   return iRet;
1740 }
1741
1742 /***********************************************************************
1743  *           LBSelItemRange
1744  */
1745 static LONG LBSelItemRange(HWND hwnd, WORD wParam, LONG lParam)
1746 {
1747   LPHEADLIST   lphl = ListBoxGetStorageHeader(hwnd);
1748   LPLISTSTRUCT lpls;
1749   WORD         cnt;
1750   WORD         first = LOWORD(lParam);
1751   WORD         last = HIWORD(lParam);
1752   BOOL         select = wParam;
1753
1754   if (!(lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL)  ))
1755         return LB_ERR;
1756
1757   if (first >= lphl->ItemsCount ||
1758       last >= lphl->ItemsCount) return LB_ERR;
1759
1760   lpls = lphl->lpFirst;
1761   cnt = 0;
1762
1763   while (lpls != NULL) {
1764     if (cnt++ >= first)
1765       lpls->itemState = select ? lpls->itemState | ODS_SELECTED : 0;
1766
1767     if (cnt > last)
1768       break;
1769
1770     lpls = lpls->lpNext;
1771   }
1772
1773   return 0;
1774 }
1775
1776 /***********************************************************************
1777  *           LBSetCaretIndex
1778  */
1779 static LONG LBSetCaretIndex(HWND hwnd, WORD wParam, LONG lParam)
1780 {
1781   LPHEADLIST   lphl = ListBoxGetStorageHeader(hwnd);
1782   int          i;
1783
1784   if (!(lphl->dwStyle & (LBS_MULTIPLESEL | LBS_EXTENDEDSEL) )) return 0;
1785
1786   dprintf_listbox(stddeb,"LBSetCaretIndex: hwnd %04x n=%i\n",hwnd,wParam);
1787
1788   if (wParam >= lphl->ItemsCount) return LB_ERR;
1789
1790   lphl->ItemFocused = wParam;
1791   i = ListBoxScrollToFocus (lphl);
1792
1793   SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1794   if(i)
1795     InvalidateRect(hwnd, NULL, TRUE);
1796
1797   return 1;
1798 }
1799
1800 /***********************************************************************
1801  *           LBSetColumnWidth
1802  */
1803 static LONG LBSetColumnWidth(HWND hwnd, WORD wParam, LONG lParam)
1804 {
1805   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1806   lphl->ColumnsWidth = wParam;
1807   InvalidateRect(hwnd,NULL,TRUE);
1808   return 0;
1809 }
1810
1811 /***********************************************************************
1812  *           LBSetHorizontalExtent
1813  */
1814 static LONG LBSetHorizontalExtent(HWND hwnd, WORD wParam, LONG lParam)
1815 {
1816   return 0;
1817 }
1818
1819 /***********************************************************************
1820  *           LBGetItemData
1821  */
1822 static LONG LBGetItemData(HWND hwnd, WORD wParam, LONG lParam)
1823 {
1824   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1825   dprintf_listbox(stddeb, "LB_GETITEMDATA wParam=%x\n", wParam);
1826   return ListBoxGetItemData(lphl, wParam);
1827 }
1828
1829 /***********************************************************************
1830  *           LBSetItemData
1831  */
1832 static LONG LBSetItemData(HWND hwnd, WORD wParam, LONG lParam)
1833 {
1834   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1835   dprintf_listbox(stddeb, "LB_SETITEMDATA  wParam=%x  lParam=%lx\n", wParam, lParam);
1836   return ListBoxSetItemData(lphl, wParam, lParam);
1837 }
1838
1839 /***********************************************************************
1840  *           LBSetTabStops
1841  */
1842 static LONG LBSetTabStops(HWND hwnd, WORD wParam, LONG lParam)
1843 {
1844   LPHEADLIST  lphl;
1845
1846   lphl = ListBoxGetStorageHeader(hwnd);
1847
1848   if (lphl->TabStops != NULL) {
1849     lphl->iNumStops = 0;
1850     free (lphl->TabStops);
1851   }
1852
1853   lphl->TabStops = malloc (wParam * sizeof (short));
1854   if (lphl->TabStops) {
1855     lphl->iNumStops = wParam;
1856     memcpy (lphl->TabStops, PTR_SEG_TO_LIN(lParam), wParam * sizeof (short));
1857     return TRUE;
1858   }
1859
1860   return FALSE;
1861 }
1862
1863 /***********************************************************************
1864  *           LBSetCurSel
1865  */
1866 static LONG LBSetCurSel(HWND hwnd, WORD wParam, LONG lParam)
1867 {
1868   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1869   WORD  wRet;
1870
1871   dprintf_listbox(stddeb,"ListBox LB_SETCURSEL wParam=%x !\n",
1872                   wParam);
1873
1874   wRet = ListBoxSetCurSel(lphl, wParam);
1875
1876   SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1877   InvalidateRect(hwnd, NULL, TRUE);
1878
1879   return wRet;
1880 }
1881
1882 /***********************************************************************
1883  *           LBSetSel
1884  */
1885 static LONG LBSetSel(HWND hwnd, WORD wParam, LONG lParam)
1886 {
1887   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1888   RECT rect;
1889   int iRet;
1890
1891   dprintf_listbox(stddeb,"ListBox LB_SETSEL wParam=%x lParam=%lX !\n", wParam, lParam);
1892
1893   iRet = ListBoxSetSel(lphl, LOWORD(lParam), wParam);
1894
1895   if( iRet > 1 )
1896       InvalidateRect(hwnd, NULL, TRUE);
1897   else if( iRet != LB_ERR )
1898       {
1899         if( lphl->dwStyle & LBS_EXTENDEDSEL &&
1900             lphl->ItemFocused != LOWORD(lParam) )
1901           {
1902             ListBoxGetItemRect(lphl, lphl->ItemFocused , &rect);
1903             InvalidateRect(hwnd,&rect,TRUE);
1904             lphl->ItemFocused = LOWORD(lParam);
1905           }
1906         ListBoxGetItemRect(lphl,LOWORD(lParam),&rect);
1907         InvalidateRect(hwnd,&rect,TRUE);
1908       }
1909
1910   return (iRet == (WORD)LB_ERR)? LB_ERR: 0;
1911 }
1912
1913 /***********************************************************************
1914  *           LBSetTopIndex
1915  */
1916 static LONG LBSetTopIndex(HWND hwnd, WORD wParam, LONG lParam)
1917 {
1918   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1919
1920   dprintf_listbox(stddeb,"ListBox LB_SETTOPINDEX wParam=%x !\n",
1921                   wParam);
1922   lphl->FirstVisible = wParam;
1923   SetScrollPos(hwnd, SB_VERT, lphl->FirstVisible, TRUE);
1924
1925   InvalidateRect(hwnd, NULL, TRUE);
1926
1927   return 0;
1928 }
1929
1930 /***********************************************************************
1931  *           LBSetItemHeight
1932  */
1933 static LONG LBSetItemHeight(HWND hwnd, WORD wParam, LONG lParam)
1934 {
1935   LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
1936   WORD wRet;
1937
1938   dprintf_listbox(stddeb,"ListBox LB_SETITEMHEIGHT wParam=%x lParam=%lX !\n", wParam, lParam);
1939   wRet = ListBoxSetItemHeight(lphl, wParam, lParam);
1940   InvalidateRect(hwnd,NULL,TRUE);
1941   return wRet;
1942 }
1943
1944 /***********************************************************************
1945  *           LBPassToParent
1946  */
1947 static LRESULT LBPassToParent(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
1948 {
1949   WND* ptrWnd = WIN_FindWndPtr(hwnd);
1950
1951   if( ptrWnd )
1952       if( /* !(ptrWnd->dwExStyle & WS_EX_NOPARENTNOTIFY) && */
1953           ptrWnd->parent )
1954           return SendMessage(ptrWnd->parent->hwndSelf,message,wParam,lParam);
1955   return 0;
1956 }
1957
1958 /***********************************************************************
1959  *           ListBoxWndProc
1960  */
1961 LRESULT ListBoxWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
1962 {
1963     switch (message) {
1964      case WM_CREATE: return LBCreate(hwnd, wParam, lParam);
1965      case WM_DESTROY: return LBDestroy(hwnd, wParam, lParam);
1966      case WM_GETDLGCODE: return LBGetDlgCode(hwnd, wParam, lParam);
1967      case WM_VSCROLL: return LBVScroll(hwnd, wParam, lParam);
1968      case WM_HSCROLL: return LBHScroll(hwnd, wParam, lParam);
1969      case WM_LBUTTONDOWN: return LBLButtonDown(hwnd, wParam, lParam);
1970      case WM_LBUTTONUP: return LBLButtonUp(hwnd, wParam, lParam);
1971      case WM_RBUTTONUP: return LBRButtonUp(hwnd, wParam, lParam);
1972      case WM_LBUTTONDBLCLK: return LBRButtonUp(hwnd, wParam, lParam);
1973      case WM_MOUSEMOVE: return LBMouseMove(hwnd, wParam, lParam);
1974      case WM_KEYDOWN: return LBKeyDown(hwnd, wParam, lParam);
1975      case WM_CHAR: return LBChar(hwnd, wParam, lParam);
1976      case WM_SETFONT: return LBSetFont(hwnd, wParam, lParam);
1977      case WM_SETREDRAW: return LBSetRedraw(hwnd, wParam, lParam);
1978      case WM_PAINT: return LBPaint(hwnd, wParam, lParam);
1979      case WM_SETFOCUS: return LBSetFocus(hwnd, wParam, lParam);
1980      case WM_KILLFOCUS: return LBKillFocus(hwnd, wParam, lParam);
1981      case LB_RESETCONTENT: return LBResetContent(hwnd, wParam, lParam);
1982      case LB_DIR: return LBDir(hwnd, wParam, lParam);
1983      case LB_ADDSTRING: return LBAddString(hwnd, wParam, lParam);
1984      case LB_INSERTSTRING: return LBInsertString(hwnd, wParam, lParam);
1985      case LB_DELETESTRING: return LBDeleteString(hwnd, wParam, lParam);
1986      case LB_FINDSTRING: return LBFindString(hwnd, wParam, lParam);
1987      case LB_GETCARETINDEX: return LBGetCaretIndex(hwnd, wParam, lParam);
1988      case LB_GETCOUNT: return LBGetCount(hwnd, wParam, lParam);
1989      case LB_GETCURSEL: return LBGetCurSel(hwnd, wParam, lParam);
1990      case LB_GETHORIZONTALEXTENT: return LBGetHorizontalExtent(hwnd, wParam, lParam);
1991      case LB_GETITEMDATA: return LBGetItemData(hwnd, wParam, lParam);
1992      case LB_GETITEMHEIGHT: return LBGetItemHeight(hwnd, wParam, lParam);
1993      case LB_GETITEMRECT: return LBGetItemRect(hwnd, wParam, lParam);
1994      case LB_GETSEL: return LBGetSel(hwnd, wParam, lParam);
1995      case LB_GETSELCOUNT: return LBGetSelCount(hwnd, wParam, lParam);
1996      case LB_GETSELITEMS: return LBGetSelItems(hwnd, wParam, lParam);
1997      case LB_GETTEXT: return LBGetText(hwnd, wParam, lParam);
1998      case LB_GETTEXTLEN: return LBGetTextLen(hwnd, wParam, lParam);
1999      case LB_GETTOPINDEX: return LBGetTopIndex(hwnd, wParam, lParam);
2000      case LB_SELECTSTRING: return LBSelectString(hwnd, wParam, lParam);
2001      case LB_SELITEMRANGE: return LBSelItemRange(hwnd, wParam, lParam);
2002      case LB_SETCARETINDEX: return LBSetCaretIndex(hwnd, wParam, lParam);
2003      case LB_SETCOLUMNWIDTH: return LBSetColumnWidth(hwnd, wParam, lParam);
2004      case LB_SETHORIZONTALEXTENT: return LBSetHorizontalExtent(hwnd, wParam, lParam);
2005      case LB_SETITEMDATA: return LBSetItemData(hwnd, wParam, lParam);
2006      case LB_SETTABSTOPS: return LBSetTabStops(hwnd, wParam, lParam);
2007      case LB_SETCURSEL: return LBSetCurSel(hwnd, wParam, lParam);
2008      case LB_SETSEL: return LBSetSel(hwnd, wParam, lParam);
2009      case LB_SETTOPINDEX: return LBSetTopIndex(hwnd, wParam, lParam);
2010      case LB_SETITEMHEIGHT: return LBSetItemHeight(hwnd, wParam, lParam);
2011
2012      case WM_DROPFILES: return LBPassToParent(hwnd, message, wParam, lParam);
2013
2014      /* these will have to be implemented for proper LBS_EXTENDEDSEL -
2015       *
2016       * anchor item is an item that with caret (focused) item defines a
2017       * range of currently selected items when listbox is in the extended
2018       * selection mode.
2019       */
2020      case LB_SETANCHORINDEX: return LB_SETANCHORINDEX; /* that's what Windows returns */
2021      case LB_GETANCHORINDEX: return 0;
2022
2023         case WM_DROPOBJECT:
2024         case WM_QUERYDROPOBJECT:
2025         case WM_DRAGSELECT:
2026         case WM_DRAGMOVE:
2027                 {
2028                  LPDRAGINFO lpDragInfo = (LPDRAGINFO) PTR_SEG_TO_LIN((SEGPTR)lParam);
2029                  LPHEADLIST lphl = ListBoxGetStorageHeader(hwnd);
2030
2031                  lpDragInfo->l = ListBoxFindMouse(lphl,lpDragInfo->pt.x,
2032                                                        lpDragInfo->pt.y);
2033
2034                  return LBPassToParent(hwnd, message, wParam, lParam);
2035                 }
2036     }
2037
2038     return DefWindowProc(hwnd, message, wParam, lParam);
2039 }
2040
2041
2042 /**********************************************************************
2043  *          DlgDirSelect    (USER.99)
2044  */
2045 BOOL DlgDirSelect( HWND hDlg, LPSTR lpStr, INT id )
2046 {
2047     char buffer[20];
2048     INT i;
2049
2050     dprintf_listbox( stddeb, "DlgDirSelect: %04x '%s' %d\n", hDlg, lpStr, id );
2051     if ((i = SendDlgItemMessage( hDlg, id, LB_GETCURSEL, 0, 0 )) == LB_ERR)
2052         return FALSE;
2053     SendDlgItemMessage( hDlg, id, LB_GETTEXT, i, (LPARAM)MAKE_SEGPTR(buffer) );
2054     if (buffer[0] == '[')  /* drive or directory */
2055     {
2056         if (buffer[1] == '-')  /* drive */
2057         {
2058             lpStr[0] = buffer[2];
2059             lpStr[1] = ':';
2060             lpStr[2] = '\0';
2061             dprintf_listbox( stddeb, "Returning drive '%s'\n", lpStr );
2062             return TRUE;
2063         }
2064         strcpy( lpStr, buffer + 1 );
2065         lpStr[strlen(lpStr)-1] = '\\';
2066         dprintf_listbox( stddeb, "Returning directory '%s'\n", lpStr );
2067         return TRUE;
2068     }
2069     strcpy( lpStr, buffer );
2070     dprintf_listbox( stddeb, "Returning file '%s'\n", lpStr );
2071     return FALSE;
2072 }
2073
2074
2075 /**********************************************************************
2076  *          DlgDirList    (USER.100)
2077  */
2078 INT DlgDirList( HWND hDlg, SEGPTR spec, INT idLBox, INT idStatic, UINT attrib )
2079 {
2080     char *filespec = (char *)PTR_SEG_TO_LIN( spec );
2081     int drive;
2082     HWND hwnd;
2083
2084 #define SENDMSG(msg,wparam,lparam) \
2085     ((attrib & DDL_POSTMSGS) ? PostMessage( hwnd, msg, wparam, lparam ) \
2086                              : SendMessage( hwnd, msg, wparam, lparam ))
2087
2088     dprintf_listbox( stddeb, "DlgDirList: %04x '%s' %d %d %04x\n",
2089                      hDlg, filespec ? filespec : "NULL",
2090                      idLBox, idStatic, attrib );
2091
2092     if (filespec && filespec[0] && (filespec[1] == ':'))
2093     {
2094         drive = toupper( filespec[0] ) - 'A';
2095         filespec += 2;
2096         if (!DRIVE_SetCurrentDrive( drive )) return FALSE;
2097     }
2098     else drive = DRIVE_GetCurrentDrive();
2099
2100     if (idLBox && ((hwnd = GetDlgItem( hDlg, idLBox )) != 0))
2101     {
2102         char mask[20];
2103         char temp[] = "*.*";
2104
2105         if (!filespec[0]) strcpy( mask, "*.*" );
2106         else
2107         {
2108             /* If the path exists and is a directory, chdir to it */
2109             if (DRIVE_Chdir( drive, filespec )) strcpy( mask, "*.*" );
2110             else
2111             {
2112                 char *p, *p2;
2113                 p = filespec;
2114                 if ((p2 = strrchr( p, '\\' ))) p = p2 + 1;
2115                 if ((p2 = strrchr( p, '/' ))) p = p2 + 1;
2116                 lstrcpyn( mask, p, sizeof(mask) );
2117                 if (p != filespec)
2118                 {
2119                     p[-1] = '\0';
2120                     if (!DRIVE_Chdir( drive, filespec )) return FALSE;
2121                 }
2122             }
2123         }
2124
2125         strcpy( (char *)PTR_SEG_TO_LIN(spec), mask );
2126
2127         dprintf_listbox(stddeb, "ListBoxDirectory: path=%c:\\%s mask=%s\n",
2128                         'A' + drive, DRIVE_GetDosCwd(drive), mask);
2129
2130         SENDMSG( LB_RESETCONTENT, 0, 0 );
2131         if ((attrib & DDL_DIRECTORY) && !(attrib & DDL_EXCLUSIVE))
2132         {
2133             if (SENDMSG( LB_DIR, attrib & ~(DDL_DIRECTORY | DDL_DRIVES),
2134                          (LPARAM)spec ) == LB_ERR) return FALSE;
2135             if (SENDMSG( LB_DIR, (attrib & (DDL_DIRECTORY | DDL_DRIVES)) | DDL_EXCLUSIVE,
2136                          (LPARAM)MAKE_SEGPTR(temp) ) == LB_ERR) return FALSE;
2137         }
2138         else
2139         {
2140             if (SENDMSG( LB_DIR, attrib, (LPARAM)spec) == LB_ERR) return FALSE;
2141         }
2142     }
2143
2144     if (idStatic && ((hwnd = GetDlgItem( hDlg, idStatic )) != 0))
2145     {
2146         char temp[256];
2147         strcpy( temp, "A:\\" );
2148         temp[0] += drive;
2149         lstrcpyn( temp+3, DRIVE_GetDosCwd(drive), 253 );
2150         AnsiLower( temp );
2151         SENDMSG( WM_SETTEXT, 0, (LPARAM)MAKE_SEGPTR(temp) );
2152     }
2153     return TRUE;
2154 #undef SENDMSG
2155 }