dlls/comctl32/comboex.c

   1 /*
   2  * ComboBoxEx control
   3  *
   4  * Copyright 1998, 1999 Eric Kohl
   5  *
   6  * NOTES
   7  *   This is just a dummy control. An author is needed! Any volunteers?
   8  *   I will only improve this control once in a while.
   9  *     Eric <ekohl@abo.rhein-zeitung.de>
  10  *
  11  * TODO:
  12  *   - All messages.
  13  *   - All notifications.
  14  *
  15  * FIXME:
  16  *   - should include "combo.h"
  17  */
  18
  19 #include "winbase.h"
  20 #include "commctrl.h"
  21 #include "comboex.h"
  22 #include "debug.h"
  23
  24 DEFAULT_DEBUG_CHANNEL(comboex)
  25
  26 #define ID_CB_EDIT    1001
  27
  28 #define COMBOEX_GetInfoPtr(wndPtr) ((COMBOEX_INFO *)GetWindowLongA (hwnd, 0))
  29
  30
  31 /* << COMBOEX_DeleteItem >> */
  32
  33
  34 __inline__ static LRESULT
  35 COMBOEX_GetComboControl (HWND hwnd, WPARAM wParam, LPARAM lParam)
  36 {
  37     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
  38
  39     TRACE (comboex, "\n");
  40
  41     return (LRESULT)infoPtr->hwndCombo;
  42 }
  43
  44
  45 __inline__ static LRESULT
  46 COMBOEX_GetEditControl (HWND hwnd, WPARAM wParam, LPARAM lParam)
  47 {
  48     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
  49
  50     if ((GetWindowLongA (hwnd, GWL_STYLE) & CBS_DROPDOWNLIST) != CBS_DROPDOWN)
  51         return 0;
  52
  53     TRACE (comboex, "-- 0x%x\n", GetDlgItem (infoPtr->hwndCombo, ID_CB_EDIT));
  54
  55     return (LRESULT)GetDlgItem (infoPtr->hwndCombo, ID_CB_EDIT);
  56 }
  57
  58
  59 __inline__ static LRESULT
  60 COMBOEX_GetExtendedStyle (HWND hwnd, WPARAM wParam, LPARAM lParam)
  61 {
  62     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
  63
  64     return (LRESULT)infoPtr->dwExtStyle;
  65 }
  66
  67
  68 __inline__ static LRESULT
  69 COMBOEX_GetImageList (HWND hwnd, WPARAM wParam, LPARAM lParam)
  70 {
  71     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
  72
  73     TRACE (comboex, "(0x%08x 0x%08lx)\n", wParam, lParam);
  74
  75     return (LRESULT)infoPtr->himl;
  76 }
  77
  78
  79
  80
  81 static LRESULT
  82 COMBOEX_InsertItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
  83 {
  84     /* COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd); */
  85
  86     FIXME (comboex, "(0x%08x 0x%08lx)\n", wParam, lParam);
  87
  88     return -1;
  89 }
  90
  91
  92
  93 static LRESULT
  94 COMBOEX_SetExtendedStyle (HWND hwnd, WPARAM wParam, LPARAM lParam)
  95 {
  96     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
  97     DWORD dwTemp;
  98
  99     TRACE (comboex, "(0x%08x 0x%08lx)\n", wParam, lParam);
 100
 101     dwTemp = infoPtr->dwExtStyle;
 102
 103     if ((DWORD)wParam) {
 104         infoPtr->dwExtStyle = (infoPtr->dwExtStyle & ~(DWORD)wParam) | (DWORD)lParam;
 105     }
 106     else
 107         infoPtr->dwExtStyle = (DWORD)lParam;
 108
 109     /* FIXME: repaint?? */
 110
 111     return (LRESULT)dwTemp;
 112 }
 113
 114
 115 __inline__ static LRESULT
 116 COMBOEX_SetImageList (HWND hwnd, WPARAM wParam, LPARAM lParam)
 117 {
 118     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
 119     HIMAGELIST himlTemp;
 120
 121     TRACE (comboex, "(0x%08x 0x%08lx)\n", wParam, lParam);
 122
 123     himlTemp = infoPtr->himl;
 124     infoPtr->himl = (HIMAGELIST)lParam;
 125
 126     return (LRESULT)himlTemp;
 127 }
 128
 129
 130 static LRESULT
 131 COMBOEX_SetItemA (HWND hwnd, WPARAM wParam, LPARAM lParam)
 132 {
 133     /* COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd); */
 134
 135     FIXME (comboex, "(%p): stub\n", (LPVOID)lParam);
 136
 137     return TRUE;
 138 }
 139
 140
 141 /* << COMBOEX_SetItem32W >> */
 142
 143
 144 __inline__ static LRESULT
 145 COMBOEX_Forward (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 146 {
 147     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
 148
 149     FIXME (comboex, "(0x%x 0x%x 0x%lx): stub\n", uMsg, wParam, lParam);
 150
 151     if (infoPtr->hwndCombo)
 152         return SendMessageA (infoPtr->hwndCombo, uMsg, wParam, lParam);
 153
 154     return 0;
 155 }
 156
 157
 158 static LRESULT
 159 COMBOEX_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
 160 {
 161     COMBOEX_INFO *infoPtr;
 162     DWORD dwComboStyle;
 163
 164     /* allocate memory for info structure */
 165     infoPtr = (COMBOEX_INFO *)COMCTL32_Alloc (sizeof(COMBOEX_INFO));
 166     if (infoPtr == NULL) {
 167         ERR (comboex, "could not allocate info memory!\n");
 168         return 0;
 169     }
 170
 171     SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
 172
 173
 174     /* initialize info structure */
 175
 176
 177     /* create combo box */
 178     dwComboStyle = GetWindowLongA (hwnd, GWL_STYLE) &
 179                         (CBS_SIMPLE|CBS_DROPDOWN|CBS_DROPDOWNLIST|WS_CHILD);
 180
 181     infoPtr->hwndCombo = CreateWindowA ("ComboBox", "",
 182                          WS_CHILD | WS_VISIBLE | CBS_OWNERDRAWFIXED | dwComboStyle,
 183                         0, 0, 0, 0, hwnd, (HMENU)1,
 184                         GetWindowLongA (hwnd, GWL_HINSTANCE), NULL);
 185
 186     return 0;
 187 }
 188
 189
 190 static LRESULT
 191 COMBOEX_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
 192 {
 193     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
 194
 195
 196     if (infoPtr->hwndCombo)
 197         DestroyWindow (infoPtr->hwndCombo);
 198
 199
 200
 201
 202     /* free comboex info data */
 203     COMCTL32_Free (infoPtr);
 204
 205     return 0;
 206 }
 207
 208
 209 static LRESULT
 210 COMBOEX_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
 211 {
 212     COMBOEX_INFO *infoPtr = COMBOEX_GetInfoPtr (hwnd);
 213     RECT rect;
 214
 215     GetClientRect (hwnd, &rect);
 216
 217     MoveWindow (infoPtr->hwndCombo, 0, 0, rect.right -rect.left,
 218                   rect.bottom - rect.top, TRUE);
 219
 220     return 0;
 221 }
 222
 223
 224 LRESULT WINAPI
 225 COMBOEX_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 226 {
 227     switch (uMsg)
 228     {
 229 /*      case CBEM_DELETEITEM: */
 230
 231         case CBEM_GETCOMBOCONTROL:
 232             return COMBOEX_GetComboControl (hwnd, wParam, lParam);
 233
 234         case CBEM_GETEDITCONTROL:
 235             return COMBOEX_GetEditControl (hwnd, wParam, lParam);
 236
 237         case CBEM_GETEXTENDEDSTYLE:
 238             return COMBOEX_GetExtendedStyle (hwnd, wParam, lParam);
 239
 240         case CBEM_GETIMAGELIST:
 241             return COMBOEX_GetImageList (hwnd, wParam, lParam);
 242
 243 /*      case CBEM_GETITEM32A:
 244         case CBEM_GETITEM32W:
 245         case CBEM_GETUNICODEFORMAT:
 246         case CBEM_HASEDITCHANGED:
 247 */
 248
 249         case CBEM_INSERTITEMA:
 250             return COMBOEX_InsertItemA (hwnd, wParam, lParam);
 251
 252 /*      case CBEM_INSERTITEM32W: */
 253
 254         case CBEM_SETEXTENDEDSTYLE:
 255             return COMBOEX_SetExtendedStyle (hwnd, wParam, lParam);
 256
 257         case CBEM_SETIMAGELIST:
 258             return COMBOEX_SetImageList (hwnd, wParam, lParam);
 259
 260         case CBEM_SETITEMA:
 261             return COMBOEX_SetItemA (hwnd, wParam, lParam);
 262
 263 /*      case CBEM_SETITEM32W:
 264         case CBEM_SETUNICODEFORMAT:
 265 */
 266
 267         case CB_DELETESTRING:
 268         case CB_FINDSTRINGEXACT:
 269         case CB_GETCOUNT:
 270         case CB_GETCURSEL:
 271         case CB_GETDROPPEDCONTROLRECT:
 272         case CB_GETDROPPEDSTATE:
 273         case CB_GETITEMDATA:
 274         case CB_GETITEMHEIGHT:
 275         case CB_GETLBTEXT:
 276         case CB_GETLBTEXTLEN:
 277         case CB_GETEXTENDEDUI:
 278         case CB_LIMITTEXT:
 279         case CB_RESETCONTENT:
 280         case CB_SELECTSTRING:
 281         case CB_SETCURSEL:
 282         case CB_SETDROPPEDWIDTH:
 283         case CB_SETEXTENDEDUI:
 284         case CB_SETITEMDATA:
 285         case CB_SETITEMHEIGHT:
 286         case CB_SHOWDROPDOWN:
 287             return COMBOEX_Forward (hwnd, uMsg, wParam, lParam);
 288
 289
 290         case WM_CREATE:
 291             return COMBOEX_Create (hwnd, wParam, lParam);
 292
 293         case WM_DESTROY:
 294             return COMBOEX_Destroy (hwnd, wParam, lParam);
 295
 296         case WM_SIZE:
 297             return COMBOEX_Size (hwnd, wParam, lParam);
 298
 299         default:
 300             if (uMsg >= WM_USER)
 301                 ERR (comboex, "unknown msg %04x wp=%08x lp=%08lx\n",
 302                      uMsg, wParam, lParam);
 303             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 304     }
 305     return 0;
 306 }
 307
 308
 309 VOID
 310 COMBOEX_Register (VOID)
 311 {
 312     WNDCLASSA wndClass;
 313
 314     if (GlobalFindAtomA (WC_COMBOBOXEXA)) return;
 315
 316     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 317     wndClass.style         = CS_GLOBALCLASS;
 318     wndClass.lpfnWndProc   = (WNDPROC)COMBOEX_WindowProc;
 319     wndClass.cbClsExtra    = 0;
 320     wndClass.cbWndExtra    = sizeof(COMBOEX_INFO *);
 321     wndClass.hCursor       = LoadCursorA (0, IDC_ARROWA);
 322     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 323     wndClass.lpszClassName = WC_COMBOBOXEXA;
 324
 325     RegisterClassA (&wndClass);
 326 }
 327
 328
 329 VOID
 330 COMBOEX_Unregister (VOID)
 331 {
 332     if (GlobalFindAtomA (WC_COMBOBOXEXA))
 333         UnregisterClassA (WC_COMBOBOXEXA, (HINSTANCE)NULL);
 334 }
 335