dlls/comctl32/pager.c

   1 /*
   2  * Pager 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
  16 #include "winbase.h"
  17 #include "commctrl.h"
  18 #include "debugtools.h"
  19
  20 DEFAULT_DEBUG_CHANNEL(pager);
  21
  22 typedef struct
  23 {
  24     HWND   hwndChild;
  25     COLORREF clrBk;
  26     INT    nBorder;
  27     INT    nButtonSize;
  28     INT    nPos;
  29     BOOL   bForward;
  30
  31     INT    nChildSize;
  32
  33 } PAGER_INFO;
  34
  35 #define PAGER_GetInfoPtr(hwnd) ((PAGER_INFO *)GetWindowLongA(hwnd, 0))
  36
  37
  38 static inline LRESULT
  39 PAGER_ForwardMouse (HWND hwnd, WPARAM wParam)
  40 {
  41     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  42
  43     infoPtr->bForward = (BOOL)wParam;
  44
  45     return 0;
  46 }
  47
  48
  49 static inline LRESULT
  50 PAGER_GetBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
  51 {
  52     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  53
  54     return (LRESULT)infoPtr->clrBk;
  55 }
  56
  57
  58 static inline LRESULT
  59 PAGER_GetBorder (HWND hwnd, WPARAM wParam, LPARAM lParam)
  60 {
  61     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  62
  63     return (LRESULT)infoPtr->nBorder;
  64 }
  65
  66
  67 static inline LRESULT
  68 PAGER_GetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
  69 {
  70     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  71
  72     return (LRESULT)infoPtr->nButtonSize;
  73 }
  74
  75
  76 static LRESULT
  77 PAGER_GetButtonState (HWND hwnd, WPARAM wParam, LPARAM lParam)
  78 {
  79     /* PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd); */
  80
  81     FIXME("empty stub!\n");
  82
  83     return PGF_INVISIBLE;
  84 }
  85
  86
  87 /* << PAGER_GetDropTarget >> */
  88
  89
  90 static inline LRESULT
  91 PAGER_GetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
  92 {
  93     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  94
  95     return infoPtr->nPos;
  96 }
  97
  98
  99 static LRESULT
 100 PAGER_RecalcSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
 101 {
 102     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 103     DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
 104     NMPGCALCSIZE nmpgcs;
 105
 106     if (infoPtr->hwndChild) {
 107         ZeroMemory (&nmpgcs, sizeof (NMPGCALCSIZE));
 108         nmpgcs.hdr.hwndFrom = hwnd;
 109         nmpgcs.hdr.idFrom   = GetWindowLongA (hwnd, GWL_ID);
 110         nmpgcs.hdr.code = PGN_CALCSIZE;
 111         nmpgcs.dwFlag = (dwStyle & PGS_HORZ) ? PGF_CALCWIDTH : PGF_CALCHEIGHT;
 112         SendMessageA (GetParent (hwnd), WM_NOTIFY,
 113                         (WPARAM)nmpgcs.hdr.idFrom, (LPARAM)&nmpgcs);
 114
 115         infoPtr->nChildSize = (dwStyle & PGS_HORZ) ? nmpgcs.iWidth : nmpgcs.iHeight;
 116
 117
 118         FIXME("Child size %d\n", infoPtr->nChildSize);
 119
 120
 121     }
 122
 123     return 0;
 124 }
 125
 126
 127 static inline LRESULT
 128 PAGER_SetBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
 129 {
 130     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 131     COLORREF clrTemp = infoPtr->clrBk;
 132
 133     infoPtr->clrBk = (COLORREF)lParam;
 134
 135     /* FIXME: redraw */
 136
 137     return (LRESULT)clrTemp;
 138 }
 139
 140
 141 static inline LRESULT
 142 PAGER_SetBorder (HWND hwnd, WPARAM wParam, LPARAM lParam)
 143 {
 144     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 145     INT nTemp = infoPtr->nBorder;
 146
 147     infoPtr->nBorder = (INT)lParam;
 148
 149     /* FIXME: redraw */
 150
 151     return (LRESULT)nTemp;
 152 }
 153
 154
 155 static inline LRESULT
 156 PAGER_SetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
 157 {
 158     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 159     INT nTemp = infoPtr->nButtonSize;
 160
 161     infoPtr->nButtonSize = (INT)lParam;
 162
 163     FIXME("size=%d\n", infoPtr->nButtonSize);
 164
 165     /* FIXME: redraw */
 166
 167     return (LRESULT)nTemp;
 168 }
 169
 170
 171 static inline LRESULT
 172 PAGER_SetChild (HWND hwnd, WPARAM wParam, LPARAM lParam)
 173 {
 174     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 175
 176     infoPtr->hwndChild = IsWindow ((HWND)lParam) ? (HWND)lParam : 0;
 177
 178     FIXME("hwnd=%x\n", infoPtr->hwndChild);
 179
 180     /* FIXME: redraw */
 181     if (infoPtr->hwndChild) {
 182         RECT rect;
 183
 184         GetClientRect (hwnd, &rect);
 185         SetParent (infoPtr->hwndChild, hwnd);
 186         SetWindowPos (infoPtr->hwndChild, HWND_TOP,
 187                         0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE);
 188
 189         MoveWindow (infoPtr->hwndChild, 0, 0, rect.right, rect.bottom, TRUE);
 190     }
 191
 192     return 0;
 193 }
 194
 195
 196 static inline LRESULT
 197 PAGER_SetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
 198 {
 199     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 200
 201     infoPtr->nPos = (INT)lParam;
 202
 203     FIXME("pos=%d\n", infoPtr->nPos);
 204
 205     /* FIXME: redraw */
 206     SetWindowPos (infoPtr->hwndChild, HWND_TOP,
 207                     0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE);
 208
 209     return 0;
 210 }
 211
 212
 213 static LRESULT
 214 PAGER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
 215 {
 216     PAGER_INFO *infoPtr;
 217
 218     /* allocate memory for info structure */
 219     infoPtr = (PAGER_INFO *)COMCTL32_Alloc (sizeof(PAGER_INFO));
 220     SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
 221
 222     /* set default settings */
 223     infoPtr->hwndChild = (HWND)NULL;
 224     infoPtr->clrBk = GetSysColor (COLOR_BTNFACE);
 225     infoPtr->nBorder = 0;
 226     infoPtr->nButtonSize = 0;
 227     infoPtr->nPos = 0;
 228
 229
 230     return 0;
 231 }
 232
 233
 234 static LRESULT
 235 PAGER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
 236 {
 237     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 238
 239
 240
 241
 242     /* free pager info data */
 243     COMCTL32_Free (infoPtr);
 244     SetWindowLongA (hwnd, 0, 0);
 245     return 0;
 246 }
 247
 248
 249 static LRESULT
 250 PAGER_EraseBackground (HWND hwnd, WPARAM wParam, LPARAM lParam)
 251 {
 252     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 253     HBRUSH hBrush = CreateSolidBrush (infoPtr->clrBk);
 254     RECT rect;
 255
 256     GetClientRect (hwnd, &rect);
 257     FillRect ((HDC)wParam, &rect, hBrush);
 258     DeleteObject (hBrush);
 259
 260 /*    return TRUE; */
 261     return FALSE;
 262 }
 263
 264
 265 static LRESULT
 266 PAGER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
 267 {
 268     /* PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd); */
 269
 270     TRACE("stub!\n");
 271
 272     return 0;
 273 }
 274
 275
 276 /* << PAGER_Paint >> */
 277
 278
 279 static LRESULT
 280 PAGER_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
 281 {
 282     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 283     RECT rect;
 284
 285     GetClientRect (hwnd, &rect);
 286     if (infoPtr->hwndChild) {
 287         SetWindowPos (infoPtr->hwndChild, HWND_TOP, rect.left, rect.top,
 288                         rect.right - rect.left, rect.bottom - rect.top,
 289                         SWP_SHOWWINDOW);
 290 /*      MoveWindow (infoPtr->hwndChild, 1, 1, rect.right - 2, rect.bottom-2, TRUE); */
 291 /*      UpdateWindow (infoPtr->hwndChild); */
 292
 293     }
 294 /*    FillRect ((HDC)wParam, &rect, hBrush); */
 295 /*    DeleteObject (hBrush); */
 296     return TRUE;
 297 }
 298
 299
 300
 301 static LRESULT WINAPI
 302 PAGER_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 303 {
 304     TRACE("hwnd=%x msg=%x wparam=%x lparam=%lx\n", hwnd, uMsg, wParam, lParam);
 305     if (!PAGER_GetInfoPtr (hwnd) && (uMsg != WM_CREATE))
 306             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 307     switch (uMsg)
 308     {
 309         case PGM_FORWARDMOUSE:
 310             return PAGER_ForwardMouse (hwnd, wParam);
 311
 312         case PGM_GETBKCOLOR:
 313             return PAGER_GetBkColor (hwnd, wParam, lParam);
 314
 315         case PGM_GETBORDER:
 316             return PAGER_GetBorder (hwnd, wParam, lParam);
 317
 318         case PGM_GETBUTTONSIZE:
 319             return PAGER_GetButtonSize (hwnd, wParam, lParam);
 320
 321         case PGM_GETBUTTONSTATE:
 322             return PAGER_GetButtonState (hwnd, wParam, lParam);
 323
 324 /*      case PGM_GETDROPTARGET: */
 325
 326         case PGM_GETPOS:
 327             return PAGER_SetPos (hwnd, wParam, lParam);
 328
 329         case PGM_RECALCSIZE:
 330             return PAGER_RecalcSize (hwnd, wParam, lParam);
 331
 332         case PGM_SETBKCOLOR:
 333             return PAGER_SetBkColor (hwnd, wParam, lParam);
 334
 335         case PGM_SETBORDER:
 336             return PAGER_SetBorder (hwnd, wParam, lParam);
 337
 338         case PGM_SETBUTTONSIZE:
 339             return PAGER_SetButtonSize (hwnd, wParam, lParam);
 340
 341         case PGM_SETCHILD:
 342             return PAGER_SetChild (hwnd, wParam, lParam);
 343
 344         case PGM_SETPOS:
 345             return PAGER_SetPos (hwnd, wParam, lParam);
 346
 347         case WM_CREATE:
 348             return PAGER_Create (hwnd, wParam, lParam);
 349
 350         case WM_DESTROY:
 351             return PAGER_Destroy (hwnd, wParam, lParam);
 352
 353         case WM_ERASEBKGND:
 354             return PAGER_EraseBackground (hwnd, wParam, lParam);
 355
 356         case WM_MOUSEMOVE:
 357             return PAGER_MouseMove (hwnd, wParam, lParam);
 358
 359         case WM_NOTIFY:
 360         case WM_COMMAND:
 361             return SendMessageA (GetParent (hwnd), uMsg, wParam, lParam);
 362
 363 /*      case WM_PAINT: */
 364 /*          return PAGER_Paint (hwnd, wParam); */
 365
 366         case WM_SIZE:
 367             return PAGER_Size (hwnd, wParam, lParam);
 368
 369         default:
 370             if (uMsg >= WM_USER)
 371                 ERR("unknown msg %04x wp=%08x lp=%08lx\n",
 372                      uMsg, wParam, lParam);
 373             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 374     }
 375     return 0;
 376 }
 377
 378
 379 VOID
 380 PAGER_Register (void)
 381 {
 382     WNDCLASSA wndClass;
 383
 384     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 385     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_SAVEBITS;
 386     wndClass.lpfnWndProc   = (WNDPROC)PAGER_WindowProc;
 387     wndClass.cbClsExtra    = 0;
 388     wndClass.cbWndExtra    = sizeof(PAGER_INFO *);
 389     wndClass.hCursor       = LoadCursorA (0, IDC_ARROWA);
 390     wndClass.hbrBackground = 0;
 391     wndClass.lpszClassName = WC_PAGESCROLLERA;
 392
 393     RegisterClassA (&wndClass);
 394 }
 395
 396
 397 VOID
 398 PAGER_Unregister (void)
 399 {
 400     UnregisterClassA (WC_PAGESCROLLERA, (HINSTANCE)NULL);
 401 }
 402