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 "pager.h"
  19 #include "debug.h"
  20
  21 DEFAULT_DEBUG_CHANNEL(pager)
  22
  23
  24 #define PAGER_GetInfoPtr(hwnd) ((PAGER_INFO *)GetWindowLongA(hwnd, 0))
  25
  26
  27 static __inline__ LRESULT
  28 PAGER_ForwardMouse (HWND hwnd, WPARAM wParam)
  29 {
  30     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  31
  32     infoPtr->bForward = (BOOL)wParam;
  33
  34     return 0;
  35 }
  36
  37
  38 static __inline__ LRESULT
  39 PAGER_GetBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
  40 {
  41     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  42
  43     return (LRESULT)infoPtr->clrBk;
  44 }
  45
  46
  47 static __inline__ LRESULT
  48 PAGER_GetBorder (HWND hwnd, WPARAM wParam, LPARAM lParam)
  49 {
  50     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  51
  52     return (LRESULT)infoPtr->nBorder;
  53 }
  54
  55
  56 static __inline__ LRESULT
  57 PAGER_GetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
  58 {
  59     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  60
  61     return (LRESULT)infoPtr->nButtonSize;
  62 }
  63
  64
  65 static LRESULT
  66 PAGER_GetButtonState (HWND hwnd, WPARAM wParam, LPARAM lParam)
  67 {
  68     /* PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd); */
  69
  70     FIXME (pager, "empty stub!\n");
  71
  72     return PGF_INVISIBLE;
  73 }
  74
  75
  76 /* << PAGER_GetDropTarget >> */
  77
  78
  79 static __inline__ LRESULT
  80 PAGER_GetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
  81 {
  82     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  83
  84     return infoPtr->nPos;
  85 }
  86
  87
  88 static LRESULT
  89 PAGER_RecalcSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
  90 {
  91     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
  92     DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
  93     NMPGCALCSIZE nmpgcs;
  94
  95     if (infoPtr->hwndChild) {
  96         ZeroMemory (&nmpgcs, sizeof (NMPGCALCSIZE));
  97         nmpgcs.hdr.hwndFrom = hwnd;
  98         nmpgcs.hdr.idFrom   = GetWindowLongA (hwnd, GWL_ID);
  99         nmpgcs.hdr.code = PGN_CALCSIZE;
 100         nmpgcs.dwFlag = (dwStyle & PGS_HORZ) ? PGF_CALCWIDTH : PGF_CALCHEIGHT;
 101         SendMessageA (GetParent (hwnd), WM_NOTIFY,
 102                         (WPARAM)nmpgcs.hdr.idFrom, (LPARAM)&nmpgcs);
 103
 104         infoPtr->nChildSize = (dwStyle & PGS_HORZ) ? nmpgcs.iWidth : nmpgcs.iHeight;
 105
 106
 107         FIXME (pager, "Child size %d\n", infoPtr->nChildSize);
 108
 109
 110     }
 111
 112     return 0;
 113 }
 114
 115
 116 static __inline__ LRESULT
 117 PAGER_SetBkColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
 118 {
 119     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 120     COLORREF clrTemp = infoPtr->clrBk;
 121
 122     infoPtr->clrBk = (COLORREF)lParam;
 123
 124     /* FIXME: redraw */
 125
 126     return (LRESULT)clrTemp;
 127 }
 128
 129
 130 static __inline__ LRESULT
 131 PAGER_SetBorder (HWND hwnd, WPARAM wParam, LPARAM lParam)
 132 {
 133     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 134     INT nTemp = infoPtr->nBorder;
 135
 136     infoPtr->nBorder = (INT)lParam;
 137
 138     /* FIXME: redraw */
 139
 140     return (LRESULT)nTemp;
 141 }
 142
 143
 144 static __inline__ LRESULT
 145 PAGER_SetButtonSize (HWND hwnd, WPARAM wParam, LPARAM lParam)
 146 {
 147     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 148     INT nTemp = infoPtr->nButtonSize;
 149
 150     infoPtr->nButtonSize = (INT)lParam;
 151
 152     FIXME (pager, "size=%d\n", infoPtr->nButtonSize);
 153
 154     /* FIXME: redraw */
 155
 156     return (LRESULT)nTemp;
 157 }
 158
 159
 160 static __inline__ LRESULT
 161 PAGER_SetChild (HWND hwnd, WPARAM wParam, LPARAM lParam)
 162 {
 163     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 164
 165     infoPtr->hwndChild = IsWindow ((HWND)lParam) ? (HWND)lParam : 0;
 166
 167     FIXME (pager, "hwnd=%x\n", infoPtr->hwndChild);
 168
 169     /* FIXME: redraw */
 170     if (infoPtr->hwndChild) {
 171         SetParent (infoPtr->hwndChild, hwnd);
 172         SetWindowPos (infoPtr->hwndChild, HWND_TOP,
 173                         0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE);
 174     }
 175
 176     return 0;
 177 }
 178
 179
 180 static __inline__ LRESULT
 181 PAGER_SetPos (HWND hwnd, WPARAM wParam, LPARAM lParam)
 182 {
 183     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 184
 185     infoPtr->nPos = (INT)lParam;
 186
 187     FIXME (pager, "pos=%d\n", infoPtr->nPos);
 188
 189     /* FIXME: redraw */
 190     SetWindowPos (infoPtr->hwndChild, HWND_TOP,
 191                     0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOSIZE);
 192
 193     return 0;
 194 }
 195
 196
 197 static LRESULT
 198 PAGER_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
 199 {
 200     PAGER_INFO *infoPtr;
 201
 202     /* allocate memory for info structure */
 203     infoPtr = (PAGER_INFO *)COMCTL32_Alloc (sizeof(PAGER_INFO));
 204     SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
 205
 206     /* set default settings */
 207     infoPtr->hwndChild = (HWND)NULL;
 208     infoPtr->clrBk = GetSysColor (COLOR_BTNFACE);
 209     infoPtr->nBorder = 0;
 210     infoPtr->nButtonSize = 0;
 211     infoPtr->nPos = 0;
 212
 213
 214     return 0;
 215 }
 216
 217
 218 static LRESULT
 219 PAGER_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
 220 {
 221     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 222
 223
 224
 225
 226     /* free pager info data */
 227     COMCTL32_Free (infoPtr);
 228
 229     return 0;
 230 }
 231
 232
 233 static LRESULT
 234 PAGER_EraseBackground (HWND hwnd, WPARAM wParam, LPARAM lParam)
 235 {
 236     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 237     HBRUSH hBrush = CreateSolidBrush (infoPtr->clrBk);
 238     RECT rect;
 239
 240     GetClientRect (hwnd, &rect);
 241     FillRect ((HDC)wParam, &rect, hBrush);
 242     DeleteObject (hBrush);
 243
 244 /*    return TRUE; */
 245     return FALSE;
 246 }
 247
 248
 249 static LRESULT
 250 PAGER_MouseMove (HWND hwnd, WPARAM wParam, LPARAM lParam)
 251 {
 252     /* PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd); */
 253
 254     TRACE (pager, "stub!\n");
 255
 256     return 0;
 257 }
 258
 259
 260 /* << PAGER_Paint >> */
 261
 262
 263 static LRESULT
 264 PAGER_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
 265 {
 266     PAGER_INFO *infoPtr = PAGER_GetInfoPtr (hwnd);
 267     RECT rect;
 268
 269     GetClientRect (hwnd, &rect);
 270     if (infoPtr->hwndChild) {
 271         SetWindowPos (infoPtr->hwndChild, HWND_TOP, rect.left, rect.top,
 272                         rect.right - rect.left, rect.bottom - rect.top,
 273                         SWP_SHOWWINDOW);
 274 /*      MoveWindow32 (infoPtr->hwndChild, 1, 1, rect.right - 2, rect.bottom-2, TRUE); */
 275 /*      UpdateWindow32 (infoPtr->hwndChild); */
 276
 277     }
 278 /*    FillRect32 ((HDC32)wParam, &rect, hBrush); */
 279 /*    DeleteObject32 (hBrush); */
 280     return TRUE;
 281 }
 282
 283
 284
 285 LRESULT WINAPI
 286 PAGER_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 287 {
 288     switch (uMsg)
 289     {
 290         case PGM_FORWARDMOUSE:
 291             return PAGER_ForwardMouse (hwnd, wParam);
 292
 293         case PGM_GETBKCOLOR:
 294             return PAGER_GetBkColor (hwnd, wParam, lParam);
 295
 296         case PGM_GETBORDER:
 297             return PAGER_GetBorder (hwnd, wParam, lParam);
 298
 299         case PGM_GETBUTTONSIZE:
 300             return PAGER_GetButtonSize (hwnd, wParam, lParam);
 301
 302         case PGM_GETBUTTONSTATE:
 303             return PAGER_GetButtonState (hwnd, wParam, lParam);
 304
 305 /*      case PGM_GETDROPTARGET: */
 306
 307         case PGM_GETPOS:
 308             return PAGER_SetPos (hwnd, wParam, lParam);
 309
 310         case PGM_RECALCSIZE:
 311             return PAGER_RecalcSize (hwnd, wParam, lParam);
 312
 313         case PGM_SETBKCOLOR:
 314             return PAGER_SetBkColor (hwnd, wParam, lParam);
 315
 316         case PGM_SETBORDER:
 317             return PAGER_SetBorder (hwnd, wParam, lParam);
 318
 319         case PGM_SETBUTTONSIZE:
 320             return PAGER_SetButtonSize (hwnd, wParam, lParam);
 321
 322         case PGM_SETCHILD:
 323             return PAGER_SetChild (hwnd, wParam, lParam);
 324
 325         case PGM_SETPOS:
 326             return PAGER_SetPos (hwnd, wParam, lParam);
 327
 328         case WM_CREATE:
 329             return PAGER_Create (hwnd, wParam, lParam);
 330
 331         case WM_DESTROY:
 332             return PAGER_Destroy (hwnd, wParam, lParam);
 333
 334         case WM_ERASEBKGND:
 335             return PAGER_EraseBackground (hwnd, wParam, lParam);
 336
 337         case WM_MOUSEMOVE:
 338             return PAGER_MouseMove (hwnd, wParam, lParam);
 339
 340         case WM_NOTIFY:
 341         case WM_COMMAND:
 342             return SendMessageA (GetParent (hwnd), uMsg, wParam, lParam);
 343
 344 /*      case WM_PAINT: */
 345 /*          return PAGER_Paint (hwnd, wParam); */
 346
 347         case WM_SIZE:
 348             return PAGER_Size (hwnd, wParam, lParam);
 349
 350         default:
 351             if (uMsg >= WM_USER)
 352                 ERR (pager, "unknown msg %04x wp=%08x lp=%08lx\n",
 353                      uMsg, wParam, lParam);
 354             return DefWindowProcA (hwnd, uMsg, wParam, lParam);
 355     }
 356     return 0;
 357 }
 358
 359
 360 VOID
 361 PAGER_Register (VOID)
 362 {
 363     WNDCLASSA wndClass;
 364
 365     if (GlobalFindAtomA (WC_PAGESCROLLERA)) return;
 366
 367     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
 368     wndClass.style         = CS_GLOBALCLASS | CS_DBLCLKS | CS_SAVEBITS;
 369     wndClass.lpfnWndProc   = (WNDPROC)PAGER_WindowProc;
 370     wndClass.cbClsExtra    = 0;
 371     wndClass.cbWndExtra    = sizeof(PAGER_INFO *);
 372     wndClass.hCursor       = LoadCursorA (0, IDC_ARROWA);
 373     wndClass.hbrBackground = 0;
 374     wndClass.lpszClassName = WC_PAGESCROLLERA;
 375
 376     RegisterClassA (&wndClass);
 377 }
 378
 379
 380 VOID
 381 PAGER_Unregister (VOID)
 382 {
 383     if (GlobalFindAtomA (WC_PAGESCROLLERA))
 384         UnregisterClassA (WC_PAGESCROLLERA, (HINSTANCE)NULL);
 385 }
 386