controls/combo.c

   1 /*
   2  * Interface code to COMBOBOX widget
   3  *
   4  * Copyright  Martin Ayotte, 1993
   5  *
   6 static char Copyright[] = "Copyright Martin Ayotte, 1993";
   7 */
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13
  14 #include "windows.h"
  15 #include "combo.h"
  16 #include "user.h"
  17 #include "win.h"
  18 #include "stddebug.h"
  19 /* #define DEBUG_COMBO */
  20 #include "debug.h"
  21 #include "graphics.h"
  22
  23 HBITMAP hComboBit = 0;
  24
  25 LPHEADCOMBO ComboGetStorageHeader(HWND hwnd);
  26 int CreateComboStruct(HWND hwnd);
  27 void ComboBoxStaticOwnerDraw(HWND hWnd, LPHEADCOMBO lphc);
  28
  29
  30 /***********************************************************************
  31  *           ComboWndProc
  32  */
  33 LONG ComboBoxWndProc( HWND hwnd, WORD message, WORD wParam, LONG lParam )
  34 {
  35         RECT    rect;
  36         int             y, count;
  37         int             width, height;
  38         WND     *wndPtr;
  39         LPHEADCOMBO lphc;
  40         HDC             hDC;
  41         BITMAP  bm;
  42         PAINTSTRUCT paintstruct;
  43         LPDRAWITEMSTRUCT lpdis;
  44         DWORD       dwStyle;
  45         HANDLE hStr;
  46
  47         switch(message) {
  48                 case WM_CREATE:
  49                         wndPtr = WIN_FindWndPtr(hwnd);
  50                         if (wndPtr == NULL) return 0;
  51                         dprintf_combo(stddeb,"Combo WM_CREATE %d !\n", hwnd);
  52                         if (hComboBit == (HBITMAP)NULL)
  53                         hComboBit = LoadBitmap((HINSTANCE)NULL, MAKEINTRESOURCE(OBM_COMBO));
  54                         GetObject(hComboBit, sizeof(BITMAP), (LPSTR)&bm);
  55                         wndPtr->dwStyle &= 0xFFFFFFFFL ^ (WS_VSCROLL | WS_HSCROLL);
  56                         GetWindowRect(hwnd, &rect);
  57                         width = rect.right - rect.left;
  58                         height = rect.bottom - rect.top;
  59                         if (height < bm.bmHeight) height = bm.bmHeight;
  60 /*                      SetWindowPos(hwnd, 0, 0, 0, width + bm.bmHeight, bm.bmHeight,
  61                                                                         SWP_NOMOVE | SWP_NOZORDER); */
  62                         SetWindowPos(hwnd, 0, 0, 0, width, bm.bmHeight,
  63                                                                 SWP_NOMOVE | SWP_NOZORDER);
  64                         CreateComboStruct(hwnd);
  65                         lphc = ComboGetStorageHeader(hwnd);
  66                         if (lphc == NULL) return 0;
  67 /*                      SetRect(&lphc->RectEdit, 0, 0, width - 2, bm.bmHeight); */
  68                         SetRect(&lphc->RectEdit, 0, 0, width - bm.bmHeight, bm.bmHeight);
  69                         if (wndPtr->dwStyle & CBS_DROPDOWNLIST) {
  70                                 if ((wndPtr->dwStyle & CBS_OWNERDRAWFIXED) == CBS_OWNERDRAWFIXED ||
  71                                         (wndPtr->dwStyle & CBS_OWNERDRAWVARIABLE) == CBS_OWNERDRAWVARIABLE)
  72                                         lphc->hWndEdit = 0;
  73                                 else
  74                                         lphc->hWndEdit = CreateWindow("STATIC", "",
  75                                                 WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | SS_LEFT,
  76                                                 0, 0, width - bm.bmHeight, bm.bmHeight,
  77                                                 hwnd, 1, wndPtr->hInstance, 0L);
  78                                 }
  79                         else {
  80 /*                              lphc->hWndEdit = CreateWindow("EDIT", "", */
  81                                 lphc->hWndEdit = CreateWindow("STATIC", "",
  82                                         WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | SS_LEFT,
  83                                         0, 0, width - bm.bmHeight, bm.bmHeight,
  84                                         hwnd, 1, wndPtr->hInstance, 0L);
  85                                 }
  86                         dwStyle = WS_POPUP | WS_BORDER | WS_VSCROLL | LBS_NOTIFY;
  87                         if ((wndPtr->dwStyle & CBS_HASSTRINGS) == CBS_HASSTRINGS)
  88                                 dwStyle |= LBS_HASSTRINGS;
  89                         if ((wndPtr->dwStyle & CBS_SORT) == CBS_SORT)
  90                                 dwStyle |= LBS_SORT;
  91                         if ((wndPtr->dwStyle & CBS_OWNERDRAWFIXED) == CBS_OWNERDRAWFIXED)
  92                                 dwStyle |= LBS_OWNERDRAWFIXED;
  93                         if ((wndPtr->dwStyle & CBS_OWNERDRAWVARIABLE) == CBS_OWNERDRAWVARIABLE)
  94                                 dwStyle |= LBS_OWNERDRAWVARIABLE;
  95                         lphc->hWndLBox = CreateWindow("LISTBOX", "", dwStyle,
  96                                 rect.left, rect.top + bm.bmHeight,
  97                                 width, height, wndPtr->hwndParent, 0,
  98                                 wndPtr->hInstance, (SEGPTR)MAKELONG(0, hwnd));
  99                         ShowWindow(lphc->hWndLBox, SW_HIDE);
 100                         dprintf_combo(stddeb,"Combo Creation LBox=%X!\n", lphc->hWndLBox);
 101                         return 0;
 102     case WM_DESTROY:
 103                 lphc = ComboGetStorageHeader(hwnd);
 104                 if (lphc == 0) return 0;
 105 /*
 106                 if (lphc->hWndEdit != 0) DestroyWindow(lphc->hWndEdit);
 107 */
 108                 DestroyWindow(lphc->hWndLBox);
 109                 free(lphc);
 110 /*
 111                 *((LPHEADCOMBO *)&wndPtr->wExtra[1]) = 0;
 112                 printf("Combo WM_DESTROY after clearing wExtra !\n");
 113 */
 114                 dprintf_combo(stddeb,"Combo WM_DESTROY %p !\n", lphc);
 115                 return DefWindowProc( hwnd, message, wParam, lParam );
 116         case WM_SHOWWINDOW:
 117                 dprintf_combo(stddeb,"ComboBox WM_SHOWWINDOW hWnd=%04X !\n",
 118                               hwnd);
 119                 if (!(wParam == 0 && lParam == 0L)) {
 120                         InvalidateRect(hwnd, NULL, TRUE);
 121                         }
 122             break;
 123
 124     case WM_COMMAND:
 125                 wndPtr = WIN_FindWndPtr(hwnd);
 126                 lphc = ComboGetStorageHeader(hwnd);
 127                 if (lphc == NULL || wndPtr == NULL) return 0;
 128                 if (LOWORD(lParam) == lphc->hWndLBox) {
 129                     hStr = USER_HEAP_ALLOC( 256 );
 130                         switch(HIWORD(lParam)) {
 131                                 case LBN_SELCHANGE:
 132                                         lphc->dwState = lphc->dwState & (CB_SHOWDROPDOWN ^ 0xFFFFFFFFL);
 133                                         ShowWindow(lphc->hWndLBox, SW_HIDE);
 134                                         y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 135                                         if (y != LB_ERR) {
 136                                                 SendMessage(lphc->hWndLBox, LB_GETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 137                                                 if (lphc->hWndEdit != 0)
 138                                                         SendMessage(lphc->hWndEdit, WM_SETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 139                                                 else {
 140                                                         InvalidateRect(hwnd, NULL, TRUE);
 141                                                         UpdateWindow(hwnd);
 142                                                         }
 143                                                 }
 144                                         SendMessage(GetParent(hwnd), WM_COMMAND, wndPtr->wIDmenu,
 145                                                                                 MAKELONG(hwnd, CBN_SELCHANGE));
 146                                         break;
 147                                 case LBN_DBLCLK:
 148                                         SendMessage(GetParent(hwnd), WM_COMMAND, wndPtr->wIDmenu,
 149                                                                                 MAKELONG(hwnd, CBN_DBLCLK));
 150                                         break;
 151                         }
 152                     USER_HEAP_FREE( hStr );
 153             }
 154                 break;
 155     case WM_LBUTTONDOWN:
 156                 dprintf_combo(stddeb,"Combo WM_LBUTTONDOWN wParam=%x lParam=%lX !\n", wParam, lParam);
 157                 GetClientRect(hwnd, &rect);
 158                 rect.left = rect.right - (rect.bottom - rect.top);
 159                 hDC = GetDC(hwnd);
 160                 InflateRect(&rect, -1, -1);
 161                 GRAPH_DrawReliefRect(hDC, &rect, 1, 1, TRUE);
 162                 ReleaseDC(hwnd, hDC);
 163                 wndPtr = WIN_FindWndPtr(hwnd);
 164                 lphc = ComboGetStorageHeader(hwnd);
 165                 if (lphc == NULL) return 0;
 166                 lphc->dwState = lphc->dwState ^ CB_SHOWDROPDOWN;
 167                 if ((lphc->dwState & CB_SHOWDROPDOWN) == CB_SHOWDROPDOWN) {
 168                     ShowWindow(lphc->hWndLBox, SW_SHOW);
 169                     SetFocus(lphc->hWndLBox);
 170                         }
 171                 else {
 172                         dprintf_combo(stddeb,"before Combo Restore Focus !\n");
 173                         SetFocus(lphc->hWndEdit);
 174                         dprintf_combo(stddeb,"before Combo List Hide !\n");
 175                         ShowWindow(lphc->hWndLBox, SW_HIDE);
 176                         dprintf_combo(stddeb,"before Combo List GetCurSel !\n");
 177                         y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 178                         if (y != LB_ERR) {
 179                                 hStr = USER_HEAP_ALLOC( 256 );
 180                                 dprintf_combo(stddeb,"before Combo List GetText !\n");
 181                                 SendMessage(lphc->hWndLBox, LB_GETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 182                                 SendMessage(lphc->hWndEdit, WM_SETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 183                                 USER_HEAP_FREE( hStr );
 184                                 }
 185                         dprintf_combo(stddeb,"End of Combo List Hide !\n");
 186                         }
 187                 break;
 188     case WM_LBUTTONUP:
 189                 dprintf_combo(stddeb,"Combo WM_LBUTTONUP wParam=%x lParam=%lX !\n", wParam, lParam);
 190                 GetClientRect(hwnd, &rect);
 191                 rect.left = rect.right - (rect.bottom - rect.top);
 192                 hDC = GetDC(hwnd);
 193                 InflateRect(&rect, -1, -1);
 194                 GRAPH_DrawReliefRect(hDC, &rect, 1, 1, FALSE);
 195                 ReleaseDC(hwnd, hDC);
 196                 break;
 197    case WM_KEYDOWN:
 198                 wndPtr = WIN_FindWndPtr(hwnd);
 199                 lphc = ComboGetStorageHeader(hwnd);
 200                 if (lphc == NULL || wndPtr == NULL) return 0;
 201                 y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 202                 count = SendMessage(lphc->hWndLBox, LB_GETCOUNT, 0, 0L);
 203                 dprintf_combo(stddeb,"COMBOBOX // GetKeyState(VK_MENU)=%d\n", GetKeyState(VK_MENU));
 204                 if (GetKeyState(VK_MENU) < 0) {
 205                         lphc->dwState = lphc->dwState ^ CB_SHOWDROPDOWN;
 206                         if ((lphc->dwState & CB_SHOWDROPDOWN) == CB_SHOWDROPDOWN) {
 207                                 GetWindowRect(hwnd, &rect);
 208                                 SetWindowPos(lphc->hWndLBox, 0, rect.left, rect.bottom, 0, 0,
 209                                                                         SWP_NOREDRAW | SWP_NOSIZE);
 210                                 SetWindowPos(lphc->hWndLBox, 0, 0, 0, 0, 0, SWP_SHOWWINDOW |
 211                                                                         SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 212                             SetFocus(lphc->hWndLBox);
 213                                 }
 214                         else {
 215                                 ShowWindow(lphc->hWndLBox, SW_HIDE);
 216                                 y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 217                                 if (y != LB_ERR) {
 218                                         hStr = USER_HEAP_ALLOC( 256 );
 219                                         SendMessage(lphc->hWndLBox, LB_GETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 220                                         if (lphc->hWndEdit != 0)
 221                                                 SendMessage(lphc->hWndEdit, WM_SETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 222                                         USER_HEAP_FREE( hStr );
 223                                         }
 224                                 }
 225                     }
 226                 else {
 227                     switch(wParam) {
 228                                 case VK_HOME:
 229                                     y = 0;
 230                                         break;
 231                                 case VK_END:
 232                                     y = count - 1;
 233                                     break;
 234                                 case VK_UP:
 235                                     y--;
 236                                     break;
 237                                 case VK_DOWN:
 238                                     y++;
 239                                     break;
 240                                 }
 241                         if (y < 0) y = 0;
 242                         if (y >= count) y = count - 1;
 243                         lphc->LastSel = y;
 244                         SendMessage(lphc->hWndLBox, LB_SETCURSEL, y, 0L);
 245                         hStr = USER_HEAP_ALLOC( 256 );
 246                         SendMessage(lphc->hWndLBox, LB_GETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 247                         if (lphc->hWndEdit != 0)
 248                                 SendMessage(lphc->hWndEdit, WM_SETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 249                         SendMessage(GetParent(hwnd), WM_COMMAND, wndPtr->wIDmenu,
 250                         MAKELONG(hwnd, CBN_SELCHANGE));
 251                         USER_HEAP_FREE( hStr );
 252                         }
 253                 break;
 254     case WM_MEASUREITEM:
 255         dprintf_combo(stddeb,"ComboBoxWndProc WM_MEASUREITEM !\n");
 256         return(SendMessage(GetParent(hwnd), WM_MEASUREITEM, wParam, lParam));
 257     case WM_CTLCOLOR:
 258         return(SendMessage(GetParent(hwnd), WM_CTLCOLOR, wParam, lParam));
 259         case WM_SETREDRAW:
 260                 dprintf_combo(stddeb,"ComboBoxWndProc WM_SETREDRAW hWnd=%04X w=%04X !\n", hwnd, wParam);
 261                 lphc = ComboGetStorageHeader(hwnd);
 262                 if (lphc == NULL) return 0;
 263                 lphc->bRedrawFlag = wParam;
 264                 break;
 265     case WM_DRAWITEM:
 266                 dprintf_combo(stddeb,"ComboBoxWndProc // WM_DRAWITEM w=%04X l=%08lX\n", wParam, lParam);
 267                 wndPtr = WIN_FindWndPtr(hwnd);
 268                 if (wndPtr == NULL) break;
 269                 lpdis = (LPDRAWITEMSTRUCT)PTR_SEG_TO_LIN(lParam);
 270                 if (lpdis == NULL) break;
 271                 lpdis->CtlType = ODT_COMBOBOX;
 272                 lpdis->CtlID = wndPtr->wIDmenu;
 273                 return(SendMessage(GetParent(hwnd), WM_DRAWITEM, wParam, lParam));
 274     case WM_PAINT:
 275                 GetClientRect(hwnd, &rect);
 276                 hDC = BeginPaint(hwnd, &paintstruct);
 277                 if (hComboBit != 0) {
 278                         GetObject(hComboBit, sizeof(BITMAP), (LPSTR)&bm);
 279                         GRAPH_DrawBitmap( hDC, hComboBit,
 280                                           rect.right - bm.bmWidth, 0,
 281                                           0, 0, bm.bmWidth, bm.bmHeight );
 282                         }
 283                 EndPaint(hwnd, &paintstruct);
 284                 lphc = ComboGetStorageHeader(hwnd);
 285                 if (lphc == NULL) return 0;
 286                 if (lphc->hWndEdit != 0) {
 287                         InvalidateRect(lphc->hWndEdit, NULL, TRUE);
 288                         UpdateWindow(lphc->hWndEdit);
 289                         }
 290                 else {
 291                         ComboBoxStaticOwnerDraw(hwnd, lphc);
 292                         }
 293                 if ((lphc->dwState & CB_SHOWDROPDOWN) == CB_SHOWDROPDOWN) {
 294                         InvalidateRect(lphc->hWndLBox, NULL, TRUE);
 295                         UpdateWindow(lphc->hWndLBox);
 296                         }
 297                 break;
 298         case WM_SETFOCUS:
 299                 lphc = ComboGetStorageHeader(hwnd);
 300                 if (lphc == NULL) return 0;
 301                 if (lphc->hWndEdit != 0)
 302                         SetFocus(lphc->hWndEdit);
 303                 break;
 304         case WM_KILLFOCUS:
 305                 lphc = ComboGetStorageHeader(hwnd);
 306                 if (lphc == NULL) return 0;
 307                 ShowWindow(lphc->hWndLBox, SW_HIDE);
 308                 y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 309                 if (y != LB_ERR) {
 310                         hStr = USER_HEAP_ALLOC( 256 );
 311                         SendMessage(lphc->hWndLBox, LB_GETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 312                         if (lphc->hWndEdit != 0)
 313                                 SendMessage(lphc->hWndEdit, WM_SETTEXT, (WORD)y, USER_HEAP_SEG_ADDR(hStr));
 314                         USER_HEAP_FREE( hStr );
 315                         }
 316                 break;
 317         case CB_ADDSTRING:
 318                 dprintf_combo(stddeb,"CB_ADDSTRING '%s' !\n", (LPSTR)PTR_SEG_TO_LIN(lParam));
 319                 lphc = ComboGetStorageHeader(hwnd);
 320                 if (lphc == NULL) return 0;
 321                 return(SendMessage(lphc->hWndLBox, LB_ADDSTRING, wParam, lParam));
 322     case CB_GETLBTEXT:
 323                 dprintf_combo(stddeb,"CB_GETLBTEXT #%u !\n", wParam);
 324                 lphc = ComboGetStorageHeader(hwnd);
 325                 if (lphc == NULL) return 0;
 326                 return(SendMessage(lphc->hWndLBox, LB_GETTEXT, wParam, lParam));
 327     case CB_GETLBTEXTLEN:
 328                 dprintf_combo(stddeb,"CB_GETLBTEXTLEN !\n");
 329                 lphc = ComboGetStorageHeader(hwnd);
 330                 if (lphc == NULL) return 0;
 331                 return(SendMessage(lphc->hWndLBox, LB_GETTEXTLEN, wParam, lParam));
 332     case CB_INSERTSTRING:
 333                 dprintf_combo(stddeb,"CB_INSERTSTRING '%s' !\n",(LPSTR)PTR_SEG_TO_LIN(lParam));
 334                 lphc = ComboGetStorageHeader(hwnd);
 335                 if (lphc == NULL) return 0;
 336                 return(SendMessage(lphc->hWndLBox, LB_INSERTSTRING, wParam, lParam));
 337         case CB_DELETESTRING:
 338                 dprintf_combo(stddeb,"CB_DELETESTRING #%u !\n", wParam);
 339                 lphc = ComboGetStorageHeader(hwnd);
 340                 if (lphc == NULL) return 0;
 341                 return(SendMessage(lphc->hWndLBox, LB_DELETESTRING, wParam, 0L));
 342         case CB_RESETCONTENT:
 343                 dprintf_combo(stddeb,"CB_RESETCONTENT !\n");
 344                 lphc = ComboGetStorageHeader(hwnd);
 345                 if (lphc == NULL) return 0;
 346                 return(SendMessage(lphc->hWndLBox, LB_RESETCONTENT, 0, 0L));
 347     case CB_DIR:
 348                 dprintf_combo(stddeb,"ComboBox CB_DIR !\n");
 349                 lphc = ComboGetStorageHeader(hwnd);
 350                 if (lphc == NULL) return 0;
 351                 return(SendMessage(lphc->hWndLBox, LB_DIR, wParam, lParam));
 352         case CB_FINDSTRING:
 353                 lphc = ComboGetStorageHeader(hwnd);
 354                 return(SendMessage(lphc->hWndLBox, LB_FINDSTRING, wParam, lParam));
 355         case CB_GETCOUNT:
 356                 lphc = ComboGetStorageHeader(hwnd);
 357                 if (lphc == NULL) return 0;
 358                 return(SendMessage(lphc->hWndLBox, LB_GETCOUNT, 0, 0L));
 359         case CB_GETCURSEL:
 360                 dprintf_combo(stddeb,"ComboBox CB_GETCURSEL !\n");
 361                 lphc = ComboGetStorageHeader(hwnd);
 362                 if (lphc == NULL) return 0;
 363                 return(SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L));
 364     case CB_SETCURSEL:
 365                 dprintf_combo(stddeb,"ComboBox CB_SETCURSEL wParam=%X !\n", wParam);
 366                 lphc = ComboGetStorageHeader(hwnd);
 367                 if (lphc == NULL) return 0;
 368                 return(SendMessage(lphc->hWndLBox, LB_SETCURSEL, wParam, 0L));
 369         case CB_GETEDITSEL:
 370                 dprintf_combo(stddeb,"ComboBox CB_GETEDITSEL !\n");
 371                 lphc = ComboGetStorageHeader(hwnd);
 372                 if (lphc == NULL) return 0;
 373 /*              if (lphc->hWndEdit != 0)
 374                         return(SendMessage(lphc->hWndEdit, EM_GETSEL, 0, 0L)); */
 375                 break;
 376         case CB_SETEDITSEL:
 377                 dprintf_combo(stddeb,"ComboBox CB_SETEDITSEL lParam=%lX !\n",
 378                               lParam);
 379                 lphc = ComboGetStorageHeader(hwnd);
 380                 if (lphc == NULL) return 0;
 381 /*              if (lphc->hWndEdit != 0)
 382                         return(SendMessage(lphc->hWndEdit, EM_SETSEL, 0, lParam)); */
 383                 break;
 384         case CB_SELECTSTRING:
 385                 dprintf_combo(stddeb,"ComboBox CB_SELECTSTRING !\n");
 386                 lphc = ComboGetStorageHeader(hwnd);
 387                 if (lphc == NULL) return 0;
 388                 break;
 389         case CB_SHOWDROPDOWN:
 390                 dprintf_combo(stddeb,"ComboBox CB_SHOWDROPDOWN !\n");
 391                 lphc = ComboGetStorageHeader(hwnd);
 392                 if (lphc == NULL) return 0;
 393                 wndPtr = WIN_FindWndPtr(hwnd);
 394                 lphc->dwState = lphc->dwState | CB_SHOWDROPDOWN;
 395                 if (wParam != 0) {
 396                         GetWindowRect(hwnd, &rect);
 397                         SetWindowPos(lphc->hWndLBox, 0, rect.left, rect.bottom, 0, 0,
 398                                                                 SWP_NOREDRAW | SWP_NOSIZE);
 399                         SetWindowPos(lphc->hWndLBox, 0, 0, 0, 0, 0, SWP_SHOWWINDOW |
 400                                                                 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
 401                         }
 402                 else {
 403                         lphc->dwState = lphc->dwState ^ CB_SHOWDROPDOWN;
 404                         ShowWindow(lphc->hWndLBox, SW_HIDE);
 405                         SendMessage(GetParent(hwnd), WM_COMMAND, wndPtr->wIDmenu,
 406                                                                         MAKELONG(hwnd, CBN_DROPDOWN));
 407                 }
 408                 break;
 409     case CB_GETITEMDATA:
 410                 dprintf_combo(stddeb,"ComboBox CB_GETITEMDATA wParam=%X !\n", wParam);
 411                 lphc = ComboGetStorageHeader(hwnd);
 412                 if (lphc == NULL) return 0;
 413                 return(SendMessage(lphc->hWndLBox, LB_GETITEMDATA, wParam, 0L));
 414         break;
 415     case CB_SETITEMDATA:
 416                 dprintf_combo(stddeb,"ComboBox CB_SETITEMDATA wParam=%04X lParam=%08lX!\n", wParam, lParam);
 417                 lphc = ComboGetStorageHeader(hwnd);
 418                 if (lphc == NULL) return 0;
 419                 return(SendMessage(lphc->hWndLBox, LB_SETITEMDATA, wParam, lParam));
 420         break;
 421     case CB_LIMITTEXT:
 422                 dprintf_combo(stddeb,"ComboBox CB_LIMITTEXT !\n");
 423                 lphc = ComboGetStorageHeader(hwnd);
 424                 if (lphc == NULL) return 0;
 425 /*              if (lphc->hWndEdit != 0)
 426                 return(SendMessage(lphc->hWndEdit, EM_LIMITTEXT, wParam, 0L)); */
 427         break;
 428
 429     default:
 430                 return DefWindowProc( hwnd, message, wParam, lParam );
 431     }
 432 return 0;
 433 }
 434
 435
 436
 437 LPHEADCOMBO ComboGetStorageHeader(HWND hwnd)
 438 {
 439         WND  *wndPtr;
 440         LPHEADCOMBO lphc;
 441         wndPtr = WIN_FindWndPtr(hwnd);
 442         if (wndPtr == 0) {
 443                 fprintf(stderr,"Bad Window handle on ComboBox !\n");
 444                 return 0;
 445                 }
 446         lphc = *((LPHEADCOMBO *)&wndPtr->wExtra[1]);
 447         return lphc;
 448 }
 449
 450
 451
 452 int CreateComboStruct(HWND hwnd)
 453 {
 454         WND  *wndPtr;
 455         LPHEADCOMBO lphc;
 456         wndPtr = WIN_FindWndPtr(hwnd);
 457         if (wndPtr == 0) {
 458                 fprintf(stderr,"Bad Window handle on ComboBox !\n");
 459                 return 0;
 460                 }
 461         lphc = (LPHEADCOMBO)malloc(sizeof(HEADCOMBO));
 462         *((LPHEADCOMBO *)&wndPtr->wExtra[1]) = lphc;
 463         lphc->hWndEdit = 0;
 464         lphc->hWndLBox = 0;
 465         lphc->dwState = 0;
 466         lphc->LastSel = -1;
 467         return TRUE;
 468 }
 469
 470
 471 void ComboBoxStaticOwnerDraw(HWND hWnd, LPHEADCOMBO lphc)
 472 {
 473         HDC     hDC;
 474         HBRUSH  hBrush;
 475         short   y;
 476         LPSTR   ptr = NULL;
 477         HANDLE  hTemp;
 478         WND       *wndPtr;
 479         LPDRAWITEMSTRUCT lpdis;
 480         dprintf_combo(stddeb,"ComboBoxStaticOwnerDraw(%04X, %p) !\n", hWnd, lphc);
 481         y = SendMessage(lphc->hWndLBox, LB_GETCURSEL, 0, 0L);
 482         if (y != LB_ERR) {
 483                 ptr = (LPSTR)SendMessage(lphc->hWndLBox, LB_GETITEMDATA, y, 0L);
 484                 }
 485         hDC = GetDC(hWnd);
 486         hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
 487                                                 MAKELONG(hWnd, CTLCOLOR_STATIC));
 488         if (hBrush == (HBRUSH)NULL)  hBrush = GetStockObject(WHITE_BRUSH);
 489         wndPtr = WIN_FindWndPtr(hWnd);
 490         if (wndPtr == NULL) return;
 491         hTemp = USER_HEAP_ALLOC( sizeof(DRAWITEMSTRUCT) );
 492         lpdis = (LPDRAWITEMSTRUCT) USER_HEAP_LIN_ADDR(hTemp);
 493         if (lpdis == NULL) {
 494                 printf("ComboBox Ownerdraw // Error allocating DRAWITEMSTRUCT !\n");
 495                 ReleaseDC( hWnd, hDC );
 496                 return;
 497                 }
 498         FillRect(hDC, &lphc->RectEdit, hBrush);
 499         lpdis->hDC = hDC;
 500         if (y != LB_ERR) lpdis->itemID = y - 1;
 501         CopyRect(&lpdis->rcItem, &lphc->RectEdit);
 502         lpdis->itemData = (DWORD)ptr;
 503         lpdis->itemAction = ODA_DRAWENTIRE;
 504         lpdis->CtlType = ODT_COMBOBOX;
 505         lpdis->CtlID = wndPtr->wIDmenu;
 506         SendMessage(GetParent(hWnd), WM_DRAWITEM, y,USER_HEAP_SEG_ADDR(hTemp));
 507         USER_HEAP_FREE(hTemp);
 508         ReleaseDC(hWnd, hDC);
 509 }
 510
 511
 512 /************************************************************************
 513  *                                      DlgDirSelectComboBox    [USER.194]
 514  */
 515 BOOL DlgDirSelectComboBox(HWND hDlg, LPSTR lpStr, int nIDLBox)
 516 {
 517         fprintf(stdnimp,"DlgDirSelectComboBox(%04X, '%s', %d) \n",
 518                                 hDlg, lpStr, nIDLBox);
 519         return TRUE;
 520 }
 521
 522
 523 /************************************************************************
 524  *                                      DlgDirListComboBox     [USER.195]
 525  */
 526 int DlgDirListComboBox(HWND hDlg, SEGPTR lpPathSpec,
 527         int nIDLBox, int nIDStat, WORD wType)
 528 {
 529         HWND            hWnd;
 530         LPHEADCOMBO lphc;
 531         dprintf_combo(stddeb,"DlgDirListComboBox(%04X, '%s', %d, %d, %04X) \n",
 532                         hDlg, (char *)PTR_SEG_TO_LIN(lpPathSpec), nIDLBox, nIDStat, wType);
 533         hWnd = GetDlgItem(hDlg, nIDLBox);
 534         lphc = ComboGetStorageHeader(hWnd);
 535         if (lphc == NULL) return 0;
 536         SendMessage(lphc->hWndLBox, LB_RESETCONTENT, 0, 0L);
 537         return SendMessage(lphc->hWndLBox, LB_DIR, wType, (DWORD)lpPathSpec);
 538 }
 539
 540
 541