dlls/comctl32/datetime.c

   1 /*
   2  * Date and time picker control
   3  *
   4  * Copyright 1998, 1999 Eric Kohl
   5  * Copyright 1999, 2000 Alex Priem <alexp@sci.kun.nl>
   6  * Copyright 2000 Chris Morgan <cmorgan@wpi.edu>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  * NOTE
  23  *
  24  * This code was audited for completeness against the documented features
  25  * of Comctl32.dll version 6.0 on Oct. 20, 2004, by Dimitrie O. Paun.
  26  *
  27  * Unless otherwise noted, we believe this code to be complete, as per
  28  * the specification mentioned above.
  29  * If you discover missing features, or bugs, please note them below.
  30  *
  31  * TODO:
  32  *    -- DTS_APPCANPARSE
  33  *    -- DTS_SHORTDATECENTURYFORMAT
  34  *    -- DTN_CLOSEUP
  35  *    -- DTN_FORMAT
  36  *    -- DTN_FORMATQUERY
  37  *    -- DTN_USERSTRING
  38  *    -- DTN_WMKEYDOWN
  39  *    -- FORMATCALLBACK
  40  */
  41
  42 #include <math.h>
  43 #include <string.h>
  44 #include <stdarg.h>
  45 #include <stdio.h>
  46 #include <limits.h>
  47
  48 #include "windef.h"
  49 #include "winbase.h"
  50 #include "wingdi.h"
  51 #include "winuser.h"
  52 #include "winnls.h"
  53 #include "commctrl.h"
  54 #include "comctl32.h"
  55 #include "wine/debug.h"
  56 #include "wine/unicode.h"
  57
  58 WINE_DEFAULT_DEBUG_CHANNEL(datetime);
  59
  60 typedef struct
  61 {
  62     HWND hwndSelf;
  63     HWND hMonthCal;
  64     HWND hwndNotify;
  65     HWND hUpdown;
  66     DWORD dwStyle;
  67     SYSTEMTIME date;
  68     BOOL dateValid;
  69     HWND hwndCheckbut;
  70     RECT rcClient; /* rect around the edge of the window */
  71     RECT rcDraw; /* rect inside of the border */
  72     RECT checkbox;  /* checkbox allowing the control to be enabled/disabled */
  73     RECT calbutton; /* button that toggles the dropdown of the monthcal control */
  74     BOOL bCalDepressed; /* TRUE = cal button is depressed */
  75     int  select;
  76     HFONT hFont;
  77     int nrFieldsAllocated;
  78     int nrFields;
  79     int haveFocus;
  80     int *fieldspec;
  81     RECT *fieldRect;
  82     int  *buflen;
  83     WCHAR textbuf[256];
  84     POINT monthcal_pos;
  85     int pendingUpdown;
  86 } DATETIME_INFO, *LPDATETIME_INFO;
  87
  88 /* in monthcal.c */
  89 extern int MONTHCAL_MonthLength(int month, int year);
  90
  91 /* this list of defines is closely related to `allowedformatchars' defined
  92  * in datetime.c; the high nibble indicates the `base type' of the format
  93  * specifier.
  94  * Do not change without first reading DATETIME_UseFormat.
  95  *
  96  */
  97
  98 #define DT_END_FORMAT      0
  99 #define ONEDIGITDAY     0x01
 100 #define TWODIGITDAY     0x02
 101 #define THREECHARDAY    0x03
 102 #define FULLDAY         0x04
 103 #define ONEDIGIT12HOUR  0x11
 104 #define TWODIGIT12HOUR  0x12
 105 #define ONEDIGIT24HOUR  0x21
 106 #define TWODIGIT24HOUR  0x22
 107 #define ONEDIGITMINUTE  0x31
 108 #define TWODIGITMINUTE  0x32
 109 #define ONEDIGITMONTH   0x41
 110 #define TWODIGITMONTH   0x42
 111 #define THREECHARMONTH  0x43
 112 #define FULLMONTH       0x44
 113 #define ONEDIGITSECOND  0x51
 114 #define TWODIGITSECOND  0x52
 115 #define ONELETTERAMPM   0x61
 116 #define TWOLETTERAMPM   0x62
 117 #define ONEDIGITYEAR    0x71
 118 #define TWODIGITYEAR    0x72
 119 #define INVALIDFULLYEAR 0x73      /* FIXME - yyy is not valid - we'll treat it as yyyy */
 120 #define FULLYEAR        0x74
 121 #define FORMATCALLBACK  0x81      /* -> maximum of 0x80 callbacks possible */
 122 #define FORMATCALLMASK  0x80
 123 #define DT_STRING       0x0100
 124
 125 #define DTHT_DATEFIELD  0xff      /* for hit-testing */
 126
 127 #define DTHT_NONE     0
 128 #define DTHT_CHECKBOX 0x200     /* these should end at '00' , to make */
 129 #define DTHT_MCPOPUP  0x300     /* & DTHT_DATEFIELD 0 when DATETIME_KeyDown */
 130 #define DTHT_GOTFOCUS 0x400     /* tests for date-fields */
 131
 132 static BOOL DATETIME_SendSimpleNotify (const DATETIME_INFO *infoPtr, UINT code);
 133 static BOOL DATETIME_SendDateTimeChangeNotify (const DATETIME_INFO *infoPtr);
 134 extern void MONTHCAL_CopyTime(const SYSTEMTIME *from, SYSTEMTIME *to);
 135 static const WCHAR allowedformatchars[] = {'d', 'h', 'H', 'm', 'M', 's', 't', 'y', 'X', '\'', 0};
 136 static const int maxrepetition [] = {4,2,2,2,4,2,2,4,-1,-1};
 137
 138
 139 static DWORD
 140 DATETIME_GetSystemTime (const DATETIME_INFO *infoPtr, SYSTEMTIME *lprgSysTimeArray)
 141 {
 142     if (!lprgSysTimeArray) return GDT_NONE;
 143
 144     if ((infoPtr->dwStyle & DTS_SHOWNONE) &&
 145         (SendMessageW (infoPtr->hwndCheckbut, BM_GETCHECK, 0, 0) == BST_UNCHECKED))
 146         return GDT_NONE;
 147
 148     MONTHCAL_CopyTime (&infoPtr->date, lprgSysTimeArray);
 149
 150     return GDT_VALID;
 151 }
 152
 153
 154 static BOOL
 155 DATETIME_SetSystemTime (DATETIME_INFO *infoPtr, DWORD flag, const SYSTEMTIME *lprgSysTimeArray)
 156 {
 157     if (!lprgSysTimeArray) return 0;
 158
 159     TRACE("%04d/%02d/%02d %02d:%02d:%02d\n",
 160           lprgSysTimeArray->wYear, lprgSysTimeArray->wMonth, lprgSysTimeArray->wDay,
 161           lprgSysTimeArray->wHour, lprgSysTimeArray->wMinute, lprgSysTimeArray->wSecond);
 162
 163     if (flag == GDT_VALID) {
 164       if (lprgSysTimeArray->wYear < 1601 || lprgSysTimeArray->wYear > 30827 ||
 165           lprgSysTimeArray->wMonth < 1 || lprgSysTimeArray->wMonth > 12 ||
 166           lprgSysTimeArray->wDayOfWeek > 6 ||
 167           lprgSysTimeArray->wDay < 1 || lprgSysTimeArray->wDay > 31 ||
 168           lprgSysTimeArray->wHour > 23 ||
 169           lprgSysTimeArray->wMinute > 59 ||
 170           lprgSysTimeArray->wSecond > 59 ||
 171           lprgSysTimeArray->wMilliseconds > 999
 172           )
 173         return 0;
 174
 175         infoPtr->dateValid = TRUE;
 176         MONTHCAL_CopyTime (lprgSysTimeArray, &infoPtr->date);
 177         SendMessageW (infoPtr->hMonthCal, MCM_SETCURSEL, 0, (LPARAM)(&infoPtr->date));
 178         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_CHECKED, 0);
 179     } else if ((infoPtr->dwStyle & DTS_SHOWNONE) && (flag == GDT_NONE)) {
 180         infoPtr->dateValid = FALSE;
 181         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_UNCHECKED, 0);
 182     }
 183     else
 184         return 0;
 185
 186     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 187     return TRUE;
 188 }
 189
 190
 191 /***
 192  * Split up a formattxt in actions.
 193  * See ms documentation for the meaning of the letter codes/'specifiers'.
 194  *
 195  * Notes:
 196  * *'dddddd' is handled as 'dddd' plus 'dd'.
 197  * *unrecognized formats are strings (here given the type DT_STRING;
 198  * start of the string is encoded in lower bits of DT_STRING.
 199  * Therefore, 'string' ends finally up as '<show seconds>tring'.
 200  *
 201  */
 202 static void
 203 DATETIME_UseFormat (DATETIME_INFO *infoPtr, LPCWSTR formattxt)
 204 {
 205     unsigned int i;
 206     int j, k, len;
 207     int *nrFields = &infoPtr->nrFields;
 208
 209     *nrFields = 0;
 210     infoPtr->fieldspec[*nrFields] = 0;
 211     len = strlenW(allowedformatchars);
 212     k = 0;
 213
 214     for (i = 0; formattxt[i]; i++)  {
 215         TRACE ("\n%d %c:", i, formattxt[i]);
 216         for (j = 0; j < len; j++) {
 217             if (allowedformatchars[j]==formattxt[i]) {
 218                 TRACE ("%c[%d,%x]", allowedformatchars[j], *nrFields, infoPtr->fieldspec[*nrFields]);
 219                 if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 220                     infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 221                     break;
 222                 }
 223                 if (infoPtr->fieldspec[*nrFields] >> 4 != j) {
 224                     (*nrFields)++;
 225                     infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 226                     break;
 227                 }
 228                 if ((infoPtr->fieldspec[*nrFields] & 0x0f) == maxrepetition[j]) {
 229                     (*nrFields)++;
 230                     infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 231                     break;
 232                 }
 233                 infoPtr->fieldspec[*nrFields]++;
 234                 break;
 235             }   /* if allowedformatchar */
 236         } /* for j */
 237
 238         /* char is not a specifier: handle char like a string */
 239         if (j == len) {
 240             if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 241                 infoPtr->fieldspec[*nrFields] = DT_STRING + k;
 242                 infoPtr->buflen[*nrFields] = 0;
 243             } else if ((infoPtr->fieldspec[*nrFields] & DT_STRING) != DT_STRING)  {
 244                 (*nrFields)++;
 245                 infoPtr->fieldspec[*nrFields] = DT_STRING + k;
 246                 infoPtr->buflen[*nrFields] = 0;
 247             }
 248             infoPtr->textbuf[k] = formattxt[i];
 249             k++;
 250             infoPtr->buflen[*nrFields]++;
 251         }   /* if j=len */
 252
 253         if (*nrFields == infoPtr->nrFieldsAllocated) {
 254             FIXME ("out of memory; should reallocate. crash ahead.\n");
 255         }
 256     } /* for i */
 257
 258     TRACE("\n");
 259
 260     if (infoPtr->fieldspec[*nrFields] != 0) (*nrFields)++;
 261 }
 262
 263
 264 static BOOL
 265 DATETIME_SetFormatW (DATETIME_INFO *infoPtr, LPCWSTR lpszFormat)
 266 {
 267     if (!lpszFormat) {
 268         WCHAR format_buf[80];
 269         DWORD format_item;
 270
 271         if (infoPtr->dwStyle & DTS_LONGDATEFORMAT)
 272             format_item = LOCALE_SLONGDATE;
 273         else if ((infoPtr->dwStyle & DTS_TIMEFORMAT) == DTS_TIMEFORMAT)
 274             format_item = LOCALE_STIMEFORMAT;
 275         else /* DTS_SHORTDATEFORMAT */
 276             format_item = LOCALE_SSHORTDATE;
 277         GetLocaleInfoW( GetSystemDefaultLCID(), format_item, format_buf, sizeof(format_buf)/sizeof(format_buf[0]));
 278         lpszFormat = format_buf;
 279     }
 280
 281     DATETIME_UseFormat (infoPtr, lpszFormat);
 282     InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
 283
 284     return 1;
 285 }
 286
 287
 288 static BOOL
 289 DATETIME_SetFormatA (DATETIME_INFO *infoPtr, LPCSTR lpszFormat)
 290 {
 291     if (lpszFormat) {
 292         BOOL retval;
 293         INT len = MultiByteToWideChar(CP_ACP, 0, lpszFormat, -1, NULL, 0);
 294         LPWSTR wstr = Alloc(len * sizeof(WCHAR));
 295         if (wstr) MultiByteToWideChar(CP_ACP, 0, lpszFormat, -1, wstr, len);
 296         retval = DATETIME_SetFormatW (infoPtr, wstr);
 297         Free (wstr);
 298         return retval;
 299     }
 300     else
 301         return DATETIME_SetFormatW (infoPtr, 0);
 302
 303 }
 304
 305
 306 static void
 307 DATETIME_ReturnTxt (const DATETIME_INFO *infoPtr, int count, LPWSTR result, int resultSize)
 308 {
 309     static const WCHAR fmt_dW[] = { '%', 'd', 0 };
 310     static const WCHAR fmt__2dW[] = { '%', '.', '2', 'd', 0 };
 311     static const WCHAR fmt__3sW[] = { '%', '.', '3', 's', 0 };
 312     SYSTEMTIME date = infoPtr->date;
 313     int spec;
 314     WCHAR buffer[80];
 315
 316     *result=0;
 317     TRACE ("%d,%d\n", infoPtr->nrFields, count);
 318     if (count>infoPtr->nrFields || count < 0) {
 319         WARN ("buffer overrun, have %d want %d\n", infoPtr->nrFields, count);
 320         return;
 321     }
 322
 323     if (!infoPtr->fieldspec) return;
 324
 325     spec = infoPtr->fieldspec[count];
 326     if (spec & DT_STRING) {
 327         int txtlen = infoPtr->buflen[count];
 328
 329         if (txtlen > resultSize)
 330             txtlen = resultSize - 1;
 331         memcpy (result, infoPtr->textbuf + (spec &~ DT_STRING), txtlen * sizeof(WCHAR));
 332         result[txtlen] = 0;
 333         TRACE ("arg%d=%x->[%s]\n", count, infoPtr->fieldspec[count], debugstr_w(result));
 334         return;
 335     }
 336
 337
 338     switch (spec) {
 339         case DT_END_FORMAT:
 340             *result = 0;
 341             break;
 342         case ONEDIGITDAY:
 343             wsprintfW (result, fmt_dW, date.wDay);
 344             break;
 345         case TWODIGITDAY:
 346             wsprintfW (result, fmt__2dW, date.wDay);
 347             break;
 348         case THREECHARDAY:
 349             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SABBREVDAYNAME1+(date.wDayOfWeek+6)%7, result, 4);
 350             /*wsprintfW (result,"%.3s",days[date.wDayOfWeek]);*/
 351             break;
 352         case FULLDAY:
 353             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SDAYNAME1+(date.wDayOfWeek+6)%7, result, resultSize);
 354             break;
 355         case ONEDIGIT12HOUR:
 356             if (date.wHour == 0) {
 357                 result[0] = '1';
 358                 result[1] = '2';
 359                 result[2] = 0;
 360             }
 361             else
 362                 wsprintfW (result, fmt_dW, date.wHour - (date.wHour > 12 ? 12 : 0));
 363             break;
 364         case TWODIGIT12HOUR:
 365             if (date.wHour == 0) {
 366                 result[0] = '1';
 367                 result[1] = '2';
 368                 result[2] = 0;
 369             }
 370             else
 371                 wsprintfW (result, fmt__2dW, date.wHour - (date.wHour > 12 ? 12 : 0));
 372             break;
 373         case ONEDIGIT24HOUR:
 374             wsprintfW (result, fmt_dW, date.wHour);
 375             break;
 376         case TWODIGIT24HOUR:
 377             wsprintfW (result, fmt__2dW, date.wHour);
 378             break;
 379         case ONEDIGITSECOND:
 380             wsprintfW (result, fmt_dW, date.wSecond);
 381             break;
 382         case TWODIGITSECOND:
 383             wsprintfW (result, fmt__2dW, date.wSecond);
 384             break;
 385         case ONEDIGITMINUTE:
 386             wsprintfW (result, fmt_dW, date.wMinute);
 387             break;
 388         case TWODIGITMINUTE:
 389             wsprintfW (result, fmt__2dW, date.wMinute);
 390             break;
 391         case ONEDIGITMONTH:
 392             wsprintfW (result, fmt_dW, date.wMonth);
 393             break;
 394         case TWODIGITMONTH:
 395             wsprintfW (result, fmt__2dW, date.wMonth);
 396             break;
 397         case THREECHARMONTH:
 398             GetLocaleInfoW(GetSystemDefaultLCID(), LOCALE_SMONTHNAME1+date.wMonth -1,
 399                            buffer, sizeof(buffer)/sizeof(buffer[0]));
 400             wsprintfW (result, fmt__3sW, buffer);
 401             break;
 402         case FULLMONTH:
 403             GetLocaleInfoW(GetSystemDefaultLCID(),LOCALE_SMONTHNAME1+date.wMonth -1,
 404                            result, resultSize);
 405             break;
 406         case ONELETTERAMPM:
 407             result[0] = (date.wHour < 12 ? 'A' : 'P');
 408             result[1] = 0;
 409             break;
 410         case TWOLETTERAMPM:
 411             result[0] = (date.wHour < 12 ? 'A' : 'P');
 412             result[1] = 'M';
 413             result[2] = 0;
 414             break;
 415         case FORMATCALLBACK:
 416             FIXME ("Not implemented\n");
 417             result[0] = 'x';
 418             result[1] = 0;
 419             break;
 420         case ONEDIGITYEAR:
 421             wsprintfW (result, fmt_dW, date.wYear-10* (int) floor(date.wYear/10));
 422             break;
 423         case TWODIGITYEAR:
 424             wsprintfW (result, fmt__2dW, date.wYear-100* (int) floor(date.wYear/100));
 425             break;
 426         case INVALIDFULLYEAR:
 427         case FULLYEAR:
 428             wsprintfW (result, fmt_dW, date.wYear);
 429             break;
 430     }
 431
 432     TRACE ("arg%d=%x->[%s]\n", count, infoPtr->fieldspec[count], debugstr_w(result));
 433 }
 434
 435 /* Offsets of days in the week to the weekday of january 1 in a leap year. */
 436 static const int DayOfWeekTable[] = {0, 3, 2, 5, 0, 3, 5, 1, 4, 6, 2, 4};
 437
 438 /* returns the day in the week(0 == sunday, 6 == saturday) */
 439 /* day(1 == 1st, 2 == 2nd... etc), year is the  year value */
 440 static int DATETIME_CalculateDayOfWeek(DWORD day, DWORD month, DWORD year)
 441 {
 442     year-=(month < 3);
 443
 444     return((year + year/4 - year/100 + year/400 +
 445          DayOfWeekTable[month-1] + day ) % 7);
 446 }
 447
 448 static int wrap(int val, int delta, int minVal, int maxVal)
 449 {
 450     val += delta;
 451     if (delta == INT_MIN || val < minVal) return maxVal;
 452     if (delta == INT_MAX || val > maxVal) return minVal;
 453     return val;
 454 }
 455
 456 static void
 457 DATETIME_IncreaseField (DATETIME_INFO *infoPtr, int number, int delta)
 458 {
 459     SYSTEMTIME *date = &infoPtr->date;
 460
 461     TRACE ("%d\n", number);
 462     if ((number > infoPtr->nrFields) || (number < 0)) return;
 463
 464     if ((infoPtr->fieldspec[number] & DTHT_DATEFIELD) == 0) return;
 465
 466     switch (infoPtr->fieldspec[number]) {
 467         case ONEDIGITYEAR:
 468         case TWODIGITYEAR:
 469         case FULLYEAR:
 470             date->wYear = wrap(date->wYear, delta, 1752, 9999);
 471             date->wDayOfWeek = DATETIME_CalculateDayOfWeek(date->wDay,date->wMonth,date->wYear);
 472             break;
 473         case ONEDIGITMONTH:
 474         case TWODIGITMONTH:
 475         case THREECHARMONTH:
 476         case FULLMONTH:
 477             date->wMonth = wrap(date->wMonth, delta, 1, 12);
 478             date->wDayOfWeek = DATETIME_CalculateDayOfWeek(date->wDay,date->wMonth,date->wYear);
 479             delta = 0;
 480             /* fall through */
 481         case ONEDIGITDAY:
 482         case TWODIGITDAY:
 483         case THREECHARDAY:
 484         case FULLDAY:
 485             date->wDay = wrap(date->wDay, delta, 1, MONTHCAL_MonthLength(date->wMonth, date->wYear));
 486             date->wDayOfWeek = DATETIME_CalculateDayOfWeek(date->wDay,date->wMonth,date->wYear);
 487             break;
 488         case ONELETTERAMPM:
 489         case TWOLETTERAMPM:
 490             delta *= 12;
 491             /* fall through */
 492         case ONEDIGIT12HOUR:
 493         case TWODIGIT12HOUR:
 494         case ONEDIGIT24HOUR:
 495         case TWODIGIT24HOUR:
 496             date->wHour = wrap(date->wHour, delta, 0, 23);
 497             break;
 498         case ONEDIGITMINUTE:
 499         case TWODIGITMINUTE:
 500             date->wMinute = wrap(date->wMinute, delta, 0, 59);
 501             break;
 502         case ONEDIGITSECOND:
 503         case TWODIGITSECOND:
 504             date->wSecond = wrap(date->wSecond, delta, 0, 59);
 505             break;
 506         case FORMATCALLBACK:
 507             FIXME ("Not implemented\n");
 508             break;
 509     }
 510
 511     /* FYI: On 1752/9/14 the calendar changed and England and the
 512      * American colonies changed to the Gregorian calendar. This change
 513      * involved having September 14th follow September 2nd. So no date
 514      * algorithm works before that date.
 515      */
 516     if (10000 * date->wYear + 100 * date->wMonth + date->wDay < 17520914) {
 517         date->wYear = 1752;
 518         date->wMonth = 9;
 519         date->wDay = 14;
 520         date->wSecond = 0;
 521         date->wMinute = 0;
 522         date->wHour = 0;
 523     }
 524 }
 525
 526
 527 static void
 528 DATETIME_ReturnFieldWidth (const DATETIME_INFO *infoPtr, HDC hdc, int count, SHORT *fieldWidthPtr)
 529 {
 530     /* fields are a fixed width, determined by the largest possible string */
 531     /* presumably, these widths should be language dependent */
 532     static const WCHAR fld_d1W[] = { '2', 0 };
 533     static const WCHAR fld_d2W[] = { '2', '2', 0 };
 534     static const WCHAR fld_d4W[] = { '2', '2', '2', '2', 0 };
 535     static const WCHAR fld_am1[] = { 'A', 0 };
 536     static const WCHAR fld_am2[] = { 'A', 'M', 0 };
 537     static const WCHAR fld_day[] = { 'W', 'e', 'd', 'n', 'e', 's', 'd', 'a', 'y', 0 };
 538     static const WCHAR fld_day3[] = { 'W', 'e', 'd', 0 };
 539     static const WCHAR fld_mon[] = { 'S', 'e', 'p', 't', 'e', 'm', 'b', 'e', 'r', 0 };
 540     static const WCHAR fld_mon3[] = { 'D', 'e', 'c', 0 };
 541     int spec;
 542     WCHAR buffer[80];
 543     LPCWSTR bufptr;
 544     SIZE size;
 545
 546     TRACE ("%d,%d\n", infoPtr->nrFields, count);
 547     if (count>infoPtr->nrFields || count < 0) {
 548         WARN ("buffer overrun, have %d want %d\n", infoPtr->nrFields, count);
 549         return;
 550     }
 551
 552     if (!infoPtr->fieldspec) return;
 553
 554     spec = infoPtr->fieldspec[count];
 555     if (spec & DT_STRING) {
 556         int txtlen = infoPtr->buflen[count];
 557
 558         if (txtlen > 79)
 559             txtlen = 79;
 560         memcpy (buffer, infoPtr->textbuf + (spec &~ DT_STRING), txtlen * sizeof(WCHAR));
 561         buffer[txtlen] = 0;
 562         bufptr = buffer;
 563     }
 564     else {
 565         switch (spec) {
 566             case ONEDIGITDAY:
 567             case ONEDIGIT12HOUR:
 568             case ONEDIGIT24HOUR:
 569             case ONEDIGITSECOND:
 570             case ONEDIGITMINUTE:
 571             case ONEDIGITMONTH:
 572             case ONEDIGITYEAR:
 573                 /* these seem to use a two byte field */
 574             case TWODIGITDAY:
 575             case TWODIGIT12HOUR:
 576             case TWODIGIT24HOUR:
 577             case TWODIGITSECOND:
 578             case TWODIGITMINUTE:
 579             case TWODIGITMONTH:
 580             case TWODIGITYEAR:
 581                 bufptr = fld_d2W;
 582                 break;
 583             case INVALIDFULLYEAR:
 584             case FULLYEAR:
 585                 bufptr = fld_d4W;
 586                 break;
 587             case THREECHARDAY:
 588                 bufptr = fld_day3;
 589                 break;
 590             case FULLDAY:
 591                 bufptr = fld_day;
 592                 break;
 593             case THREECHARMONTH:
 594                 bufptr = fld_mon3;
 595                 break;
 596             case FULLMONTH:
 597                 bufptr = fld_mon;
 598                 break;
 599             case ONELETTERAMPM:
 600                 bufptr = fld_am1;
 601                 break;
 602             case TWOLETTERAMPM:
 603                 bufptr = fld_am2;
 604                 break;
 605             default:
 606                 bufptr = fld_d1W;
 607                 break;
 608         }
 609     }
 610     GetTextExtentPoint32W (hdc, bufptr, strlenW(bufptr), &size);
 611     *fieldWidthPtr = size.cx;
 612 }
 613
 614 static void
 615 DATETIME_Refresh (DATETIME_INFO *infoPtr, HDC hdc)
 616 {
 617     int i,prevright;
 618     RECT *field;
 619     RECT *rcDraw = &infoPtr->rcDraw;
 620     RECT *calbutton = &infoPtr->calbutton;
 621     RECT *checkbox = &infoPtr->checkbox;
 622     SIZE size;
 623     COLORREF oldTextColor;
 624     SHORT fieldWidth = 0;
 625
 626     /* draw control edge */
 627     TRACE("\n");
 628
 629     if (infoPtr->dateValid) {
 630         HFONT oldFont = SelectObject (hdc, infoPtr->hFont);
 631         INT oldBkMode = SetBkMode (hdc, TRANSPARENT);
 632         WCHAR txt[80];
 633
 634         DATETIME_ReturnTxt (infoPtr, 0, txt, sizeof(txt)/sizeof(txt[0]));
 635         GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
 636         rcDraw->bottom = size.cy + 2;
 637
 638         prevright = checkbox->right = ((infoPtr->dwStyle & DTS_SHOWNONE) ? 18 : 2);
 639
 640         for (i = 0; i < infoPtr->nrFields; i++) {
 641             DATETIME_ReturnTxt (infoPtr, i, txt, sizeof(txt)/sizeof(txt[0]));
 642             GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
 643             DATETIME_ReturnFieldWidth (infoPtr, hdc, i, &fieldWidth);
 644             field = &infoPtr->fieldRect[i];
 645             field->left  = prevright;
 646             field->right = prevright + fieldWidth;
 647             field->top   = rcDraw->top;
 648             field->bottom = rcDraw->bottom;
 649             prevright = field->right;
 650
 651             if (infoPtr->dwStyle & WS_DISABLED)
 652                 oldTextColor = SetTextColor (hdc, comctl32_color.clrGrayText);
 653             else if ((infoPtr->haveFocus) && (i == infoPtr->select)) {
 654                 /* fill if focussed */
 655                 HBRUSH hbr = CreateSolidBrush (comctl32_color.clrActiveCaption);
 656                 FillRect(hdc, field, hbr);
 657                 DeleteObject (hbr);
 658                 oldTextColor = SetTextColor (hdc, comctl32_color.clrWindow);
 659             }
 660             else
 661                 oldTextColor = SetTextColor (hdc, comctl32_color.clrWindowText);
 662
 663             /* draw the date text using the colour set above */
 664             DrawTextW (hdc, txt, strlenW(txt), field, DT_RIGHT | DT_VCENTER | DT_SINGLELINE);
 665             SetTextColor (hdc, oldTextColor);
 666         }
 667         SetBkMode (hdc, oldBkMode);
 668         SelectObject (hdc, oldFont);
 669     }
 670
 671     if (!(infoPtr->dwStyle & DTS_UPDOWN)) {
 672         DrawFrameControl(hdc, calbutton, DFC_SCROLL,
 673                          DFCS_SCROLLDOWN | (infoPtr->bCalDepressed ? DFCS_PUSHED : 0) |
 674                          (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
 675     }
 676 }
 677
 678
 679 static INT
 680 DATETIME_HitTest (const DATETIME_INFO *infoPtr, POINT pt)
 681 {
 682     int i;
 683
 684     TRACE ("%d, %d\n", pt.x, pt.y);
 685
 686     if (PtInRect (&infoPtr->calbutton, pt)) return DTHT_MCPOPUP;
 687     if (PtInRect (&infoPtr->checkbox, pt)) return DTHT_CHECKBOX;
 688
 689     for (i=0; i < infoPtr->nrFields; i++) {
 690         if (PtInRect (&infoPtr->fieldRect[i], pt)) return i;
 691     }
 692
 693     return DTHT_NONE;
 694 }
 695
 696
 697 static LRESULT
 698 DATETIME_LButtonDown (DATETIME_INFO *infoPtr, WORD wKey, INT x, INT y)
 699 {
 700     POINT pt;
 701     int old, new;
 702
 703     pt.x = x;
 704     pt.y = y;
 705     old = infoPtr->select;
 706     new = DATETIME_HitTest (infoPtr, pt);
 707
 708     /* FIXME: might be conditions where we don't want to update infoPtr->select */
 709     infoPtr->select = new;
 710
 711     SetFocus(infoPtr->hwndSelf);
 712
 713     if (infoPtr->select == DTHT_MCPOPUP) {
 714         RECT rcMonthCal;
 715         SendMessageW(infoPtr->hMonthCal, MCM_GETMINREQRECT, 0, (LPARAM)&rcMonthCal);
 716
 717         /* FIXME: button actually is only depressed during dropdown of the */
 718         /* calendar control and when the mouse is over the button window */
 719         infoPtr->bCalDepressed = TRUE;
 720
 721         /* recalculate the position of the monthcal popup */
 722         if(infoPtr->dwStyle & DTS_RIGHTALIGN)
 723             infoPtr->monthcal_pos.x = infoPtr->calbutton.left -
 724                 (rcMonthCal.right - rcMonthCal.left);
 725         else
 726             /* FIXME: this should be after the area reserved for the checkbox */
 727             infoPtr->monthcal_pos.x = infoPtr->rcDraw.left;
 728
 729         infoPtr->monthcal_pos.y = infoPtr->rcClient.bottom;
 730         ClientToScreen (infoPtr->hwndSelf, &(infoPtr->monthcal_pos));
 731         SetWindowPos(infoPtr->hMonthCal, 0, infoPtr->monthcal_pos.x,
 732             infoPtr->monthcal_pos.y, rcMonthCal.right - rcMonthCal.left,
 733             rcMonthCal.bottom - rcMonthCal.top, 0);
 734
 735         if(IsWindowVisible(infoPtr->hMonthCal)) {
 736             ShowWindow(infoPtr->hMonthCal, SW_HIDE);
 737         } else {
 738             const SYSTEMTIME *lprgSysTimeArray = &infoPtr->date;
 739             TRACE("update calendar %04d/%02d/%02d\n",
 740             lprgSysTimeArray->wYear, lprgSysTimeArray->wMonth, lprgSysTimeArray->wDay);
 741             SendMessageW(infoPtr->hMonthCal, MCM_SETCURSEL, 0, (LPARAM)(&infoPtr->date));
 742             ShowWindow(infoPtr->hMonthCal, SW_SHOW);
 743         }
 744
 745         TRACE ("dt:%p mc:%p mc parent:%p, desktop:%p\n",
 746                infoPtr->hwndSelf, infoPtr->hMonthCal, infoPtr->hwndNotify, GetDesktopWindow ());
 747         DATETIME_SendSimpleNotify (infoPtr, DTN_DROPDOWN);
 748     }
 749
 750     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 751
 752     return 0;
 753 }
 754
 755
 756 static LRESULT
 757 DATETIME_LButtonUp (DATETIME_INFO *infoPtr, WORD wKey)
 758 {
 759     if(infoPtr->bCalDepressed) {
 760         infoPtr->bCalDepressed = FALSE;
 761         InvalidateRect(infoPtr->hwndSelf, &(infoPtr->calbutton), TRUE);
 762     }
 763
 764     return 0;
 765 }
 766
 767
 768 static LRESULT
 769 DATETIME_Paint (DATETIME_INFO *infoPtr, HDC hdc)
 770 {
 771     if (!hdc) {
 772         PAINTSTRUCT ps;
 773         hdc = BeginPaint (infoPtr->hwndSelf, &ps);
 774         DATETIME_Refresh (infoPtr, hdc);
 775         EndPaint (infoPtr->hwndSelf, &ps);
 776     } else {
 777         DATETIME_Refresh (infoPtr, hdc);
 778     }
 779     return 0;
 780 }
 781
 782
 783 static LRESULT
 784 DATETIME_Button_Command (DATETIME_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 785 {
 786     if( HIWORD(wParam) == BN_CLICKED) {
 787         DWORD state = SendMessageW((HWND)lParam, BM_GETCHECK, 0, 0);
 788         infoPtr->dateValid = (state == BST_CHECKED);
 789         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 790     }
 791     return 0;
 792 }
 793
 794
 795
 796 static LRESULT
 797 DATETIME_Command (DATETIME_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 798 {
 799     TRACE("hwndbutton = %p\n", infoPtr->hwndCheckbut);
 800     if(infoPtr->hwndCheckbut == (HWND)lParam)
 801         return DATETIME_Button_Command(infoPtr, wParam, lParam);
 802     return 0;
 803 }
 804
 805
 806 static LRESULT
 807 DATETIME_Enable (DATETIME_INFO *infoPtr, BOOL bEnable)
 808 {
 809     TRACE("%p %s\n", infoPtr, bEnable ? "TRUE" : "FALSE");
 810     if (bEnable)
 811         infoPtr->dwStyle &= ~WS_DISABLED;
 812     else
 813         infoPtr->dwStyle |= WS_DISABLED;
 814
 815     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 816
 817     return 0;
 818 }
 819
 820
 821 static LRESULT
 822 DATETIME_EraseBackground (const DATETIME_INFO *infoPtr, HDC hdc)
 823 {
 824     HBRUSH hBrush, hSolidBrush = NULL;
 825     RECT   rc;
 826
 827     if (infoPtr->dwStyle & WS_DISABLED)
 828         hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrBtnFace);
 829     else
 830     {
 831         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLOREDIT,
 832                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
 833         if (!hBrush)
 834             hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrWindow);
 835     }
 836
 837     GetClientRect (infoPtr->hwndSelf, &rc);
 838
 839     FillRect (hdc, &rc, hBrush);
 840
 841     if (hSolidBrush)
 842         DeleteObject(hSolidBrush);
 843
 844     return -1;
 845 }
 846
 847
 848 static LRESULT
 849 DATETIME_Notify (DATETIME_INFO *infoPtr, int idCtrl, LPNMHDR lpnmh)
 850 {
 851     TRACE ("Got notification %x from %p\n", lpnmh->code, lpnmh->hwndFrom);
 852     TRACE ("info: %p %p %p\n", infoPtr->hwndSelf, infoPtr->hMonthCal, infoPtr->hUpdown);
 853
 854     if (lpnmh->code == MCN_SELECT) {
 855         ShowWindow(infoPtr->hMonthCal, SW_HIDE);
 856         infoPtr->dateValid = TRUE;
 857         SendMessageW (infoPtr->hMonthCal, MCM_GETCURSEL, 0, (LPARAM)&infoPtr->date);
 858         TRACE("got from calendar %04d/%02d/%02d day of week %d\n",
 859         infoPtr->date.wYear, infoPtr->date.wMonth, infoPtr->date.wDay, infoPtr->date.wDayOfWeek);
 860         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_CHECKED, 0);
 861         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 862         DATETIME_SendDateTimeChangeNotify (infoPtr);
 863     }
 864     if ((lpnmh->hwndFrom == infoPtr->hUpdown) && (lpnmh->code == UDN_DELTAPOS)) {
 865         LPNMUPDOWN lpnmud = (LPNMUPDOWN)lpnmh;
 866         TRACE("Delta pos %d\n", lpnmud->iDelta);
 867         infoPtr->pendingUpdown = lpnmud->iDelta;
 868     }
 869     return 0;
 870 }
 871
 872
 873 static LRESULT
 874 DATETIME_KeyDown (DATETIME_INFO *infoPtr, DWORD vkCode, LPARAM flags)
 875 {
 876     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
 877     int wrap = 0;
 878
 879     if (!(infoPtr->haveFocus)) return 0;
 880     if ((fieldNum==0) && (infoPtr->select)) return 0;
 881
 882     if (infoPtr->select & FORMATCALLMASK) {
 883         FIXME ("Callbacks not implemented yet\n");
 884     }
 885
 886     if (vkCode >= '0' && vkCode <= '9') {
 887         /* this is a somewhat simplified version of what Windows does */
 888         SYSTEMTIME *date = &infoPtr->date;
 889         switch (infoPtr->fieldspec[fieldNum]) {
 890             case ONEDIGITYEAR:
 891             case TWODIGITYEAR:
 892                 date->wYear = date->wYear - (date->wYear%100) +
 893                         (date->wYear%10)*10 + (vkCode-'0');
 894                 date->wDayOfWeek = DATETIME_CalculateDayOfWeek(
 895                         date->wDay,date->wMonth,date->wYear);
 896                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 897                 break;
 898             case INVALIDFULLYEAR:
 899             case FULLYEAR:
 900                 date->wYear = (date->wYear%1000)*10 + (vkCode-'0');
 901                 date->wDayOfWeek = DATETIME_CalculateDayOfWeek(
 902                         date->wDay,date->wMonth,date->wYear);
 903                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 904                 break;
 905             case ONEDIGITMONTH:
 906             case TWODIGITMONTH:
 907                 if ((date->wMonth%10) > 1 || (vkCode-'0') > 2)
 908                     date->wMonth = vkCode-'0';
 909                 else
 910                     date->wMonth = (date->wMonth%10)*10+vkCode-'0';
 911                 date->wDayOfWeek = DATETIME_CalculateDayOfWeek(
 912                         date->wDay,date->wMonth,date->wYear);
 913                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 914                 break;
 915             case ONEDIGITDAY:
 916             case TWODIGITDAY:
 917                 /* probably better checking here would help */
 918                 if ((date->wDay%10) >= 3 && (vkCode-'0') > 1)
 919                     date->wDay = vkCode-'0';
 920                 else
 921                     date->wDay = (date->wDay%10)*10+vkCode-'0';
 922                 date->wDayOfWeek = DATETIME_CalculateDayOfWeek(
 923                         date->wDay,date->wMonth,date->wYear);
 924                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 925                 break;
 926             case ONEDIGIT12HOUR:
 927             case TWODIGIT12HOUR:
 928                 if ((date->wHour%10) > 1 || (vkCode-'0') > 2)
 929                     date->wHour = vkCode-'0';
 930                 else
 931                     date->wHour = (date->wHour%10)*10+vkCode-'0';
 932                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 933                 break;
 934             case ONEDIGIT24HOUR:
 935             case TWODIGIT24HOUR:
 936                 if ((date->wHour%10) > 2)
 937                     date->wHour = vkCode-'0';
 938                 else if ((date->wHour%10) == 2 && (vkCode-'0') > 3)
 939                     date->wHour = vkCode-'0';
 940                 else
 941                     date->wHour = (date->wHour%10)*10+vkCode-'0';
 942                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 943                 break;
 944             case ONEDIGITMINUTE:
 945             case TWODIGITMINUTE:
 946                 if ((date->wMinute%10) > 5)
 947                     date->wMinute = vkCode-'0';
 948                 else
 949                     date->wMinute = (date->wMinute%10)*10+vkCode-'0';
 950                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 951                 break;
 952             case ONEDIGITSECOND:
 953             case TWODIGITSECOND:
 954                 if ((date->wSecond%10) > 5)
 955                     date->wSecond = vkCode-'0';
 956                 else
 957                     date->wSecond = (date->wSecond%10)*10+vkCode-'0';
 958                 DATETIME_SendDateTimeChangeNotify (infoPtr);
 959                 break;
 960         }
 961     }
 962
 963     switch (vkCode) {
 964         case VK_ADD:
 965         case VK_UP:
 966             DATETIME_IncreaseField (infoPtr, fieldNum, 1);
 967             DATETIME_SendDateTimeChangeNotify (infoPtr);
 968             break;
 969         case VK_SUBTRACT:
 970         case VK_DOWN:
 971             DATETIME_IncreaseField (infoPtr, fieldNum, -1);
 972             DATETIME_SendDateTimeChangeNotify (infoPtr);
 973             break;
 974         case VK_HOME:
 975             DATETIME_IncreaseField (infoPtr, fieldNum, INT_MIN);
 976             DATETIME_SendDateTimeChangeNotify (infoPtr);
 977             break;
 978         case VK_END:
 979             DATETIME_IncreaseField (infoPtr, fieldNum, INT_MAX);
 980             DATETIME_SendDateTimeChangeNotify (infoPtr);
 981             break;
 982         case VK_LEFT:
 983             do {
 984                 if (infoPtr->select == 0) {
 985                     infoPtr->select = infoPtr->nrFields - 1;
 986                     wrap++;
 987                 } else {
 988                     infoPtr->select--;
 989                 }
 990             } while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
 991             break;
 992         case VK_RIGHT:
 993             do {
 994                 infoPtr->select++;
 995                 if (infoPtr->select==infoPtr->nrFields) {
 996                     infoPtr->select = 0;
 997                     wrap++;
 998                 }
 999             } while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
1000             break;
1001     }
1002
1003     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1004
1005     return 0;
1006 }
1007
1008
1009 static LRESULT
1010 DATETIME_VScroll (DATETIME_INFO *infoPtr, WORD wScroll)
1011 {
1012     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
1013
1014     if ((SHORT)LOWORD(wScroll) != SB_THUMBPOSITION) return 0;
1015     if (!(infoPtr->haveFocus)) return 0;
1016     if ((fieldNum==0) && (infoPtr->select)) return 0;
1017
1018     if (infoPtr->pendingUpdown >= 0) {
1019         DATETIME_IncreaseField (infoPtr, fieldNum, 1);
1020         DATETIME_SendDateTimeChangeNotify (infoPtr);
1021     }
1022     else {
1023         DATETIME_IncreaseField (infoPtr, fieldNum, -1);
1024         DATETIME_SendDateTimeChangeNotify (infoPtr);
1025     }
1026
1027     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1028
1029     return 0;
1030 }
1031
1032
1033 static LRESULT
1034 DATETIME_KillFocus (DATETIME_INFO *infoPtr, HWND lostFocus)
1035 {
1036     TRACE("lost focus to %p\n", lostFocus);
1037
1038     if (infoPtr->haveFocus) {
1039         DATETIME_SendSimpleNotify (infoPtr, NM_KILLFOCUS);
1040         infoPtr->haveFocus = 0;
1041     }
1042
1043     InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
1044
1045     return 0;
1046 }
1047
1048
1049 static LRESULT
1050 DATETIME_NCCreate (HWND hwnd, const CREATESTRUCTW *lpcs)
1051 {
1052     DWORD dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
1053     /* force control to have client edge */
1054     dwExStyle |= WS_EX_CLIENTEDGE;
1055     SetWindowLongW(hwnd, GWL_EXSTYLE, dwExStyle);
1056
1057     return DefWindowProcW(hwnd, WM_NCCREATE, 0, (LPARAM)lpcs);
1058 }
1059
1060
1061 static LRESULT
1062 DATETIME_SetFocus (DATETIME_INFO *infoPtr, HWND lostFocus)
1063 {
1064     TRACE("got focus from %p\n", lostFocus);
1065
1066     if (infoPtr->haveFocus == 0) {
1067         DATETIME_SendSimpleNotify (infoPtr, NM_SETFOCUS);
1068         infoPtr->haveFocus = DTHT_GOTFOCUS;
1069     }
1070
1071     InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1072
1073     return 0;
1074 }
1075
1076
1077 static BOOL
1078 DATETIME_SendDateTimeChangeNotify (const DATETIME_INFO *infoPtr)
1079 {
1080     NMDATETIMECHANGE dtdtc;
1081
1082     dtdtc.nmhdr.hwndFrom = infoPtr->hwndSelf;
1083     dtdtc.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1084     dtdtc.nmhdr.code     = DTN_DATETIMECHANGE;
1085
1086     dtdtc.dwFlags = (infoPtr->dwStyle & DTS_SHOWNONE) ? GDT_NONE : GDT_VALID;
1087
1088     MONTHCAL_CopyTime (&infoPtr->date, &dtdtc.st);
1089     return (BOOL) SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
1090                                 (WPARAM)dtdtc.nmhdr.idFrom, (LPARAM)&dtdtc);
1091 }
1092
1093
1094 static BOOL
1095 DATETIME_SendSimpleNotify (const DATETIME_INFO *infoPtr, UINT code)
1096 {
1097     NMHDR nmhdr;
1098
1099     TRACE("%x\n", code);
1100     nmhdr.hwndFrom = infoPtr->hwndSelf;
1101     nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1102     nmhdr.code     = code;
1103
1104     return (BOOL) SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
1105                                 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
1106 }
1107
1108 static LRESULT
1109 DATETIME_Size (DATETIME_INFO *infoPtr, WORD flags, INT width, INT height)
1110 {
1111     /* set size */
1112     infoPtr->rcClient.bottom = height;
1113     infoPtr->rcClient.right = width;
1114
1115     TRACE("Height=%d, Width=%d\n", infoPtr->rcClient.bottom, infoPtr->rcClient.right);
1116
1117     infoPtr->rcDraw = infoPtr->rcClient;
1118
1119     if (infoPtr->dwStyle & DTS_UPDOWN) {
1120         SetWindowPos(infoPtr->hUpdown, NULL,
1121             infoPtr->rcClient.right-14, 0,
1122             15, infoPtr->rcClient.bottom - infoPtr->rcClient.top,
1123             SWP_NOACTIVATE | SWP_NOZORDER);
1124     }
1125     else {
1126         /* set the size of the button that drops the calendar down */
1127         /* FIXME: account for style that allows button on left side */
1128         infoPtr->calbutton.top   = infoPtr->rcDraw.top;
1129         infoPtr->calbutton.bottom= infoPtr->rcDraw.bottom;
1130         infoPtr->calbutton.left  = infoPtr->rcDraw.right-15;
1131         infoPtr->calbutton.right = infoPtr->rcDraw.right;
1132     }
1133
1134     /* set enable/disable button size for show none style being enabled */
1135     /* FIXME: these dimensions are completely incorrect */
1136     infoPtr->checkbox.top = infoPtr->rcDraw.top;
1137     infoPtr->checkbox.bottom = infoPtr->rcDraw.bottom;
1138     infoPtr->checkbox.left = infoPtr->rcDraw.left;
1139     infoPtr->checkbox.right = infoPtr->rcDraw.left + 10;
1140
1141     InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1142
1143     return 0;
1144 }
1145
1146
1147 static LRESULT
1148 DATETIME_StyleChanged(DATETIME_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
1149 {
1150     static const WCHAR buttonW[] = { 'b', 'u', 't', 't', 'o', 'n', 0 };
1151
1152     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1153           wStyleType, lpss->styleOld, lpss->styleNew);
1154
1155     if (wStyleType != GWL_STYLE) return 0;
1156
1157     infoPtr->dwStyle = lpss->styleNew;
1158
1159     if ( !(lpss->styleOld & DTS_SHOWNONE) && (lpss->styleNew & DTS_SHOWNONE) ) {
1160         infoPtr->hwndCheckbut = CreateWindowExW (0, buttonW, 0, WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX,
1161                                                  2, 2, 13, 13, infoPtr->hwndSelf, 0,
1162                                                 (HINSTANCE)GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_HINSTANCE), 0);
1163         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, 1, 0);
1164     }
1165     if ( (lpss->styleOld & DTS_SHOWNONE) && !(lpss->styleNew & DTS_SHOWNONE) ) {
1166         DestroyWindow(infoPtr->hwndCheckbut);
1167         infoPtr->hwndCheckbut = 0;
1168     }
1169     if ( !(lpss->styleOld & DTS_UPDOWN) && (lpss->styleNew & DTS_UPDOWN) ) {
1170         infoPtr->hUpdown = CreateUpDownControl (WS_CHILD | WS_BORDER | WS_VISIBLE, 120, 1, 20, 20,
1171                                                 infoPtr->hwndSelf, 1, 0, 0, UD_MAXVAL, UD_MINVAL, 0);
1172     }
1173     if ( (lpss->styleOld & DTS_UPDOWN) && !(lpss->styleNew & DTS_UPDOWN) ) {
1174         DestroyWindow(infoPtr->hUpdown);
1175         infoPtr->hUpdown = 0;
1176     }
1177
1178     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1179     return 0;
1180 }
1181
1182
1183 static LRESULT
1184 DATETIME_SetFont (DATETIME_INFO *infoPtr, HFONT font, BOOL repaint)
1185 {
1186     infoPtr->hFont = font;
1187     if (repaint) InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1188     return 0;
1189 }
1190
1191
1192 static LRESULT
1193 DATETIME_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1194 {
1195     static const WCHAR SysMonthCal32W[] = { 'S', 'y', 's', 'M', 'o', 'n', 't', 'h', 'C', 'a', 'l', '3', '2', 0 };
1196     DATETIME_INFO *infoPtr = (DATETIME_INFO *)Alloc (sizeof(DATETIME_INFO));
1197     STYLESTRUCT ss = { 0, lpcs->style };
1198
1199     if (!infoPtr) return -1;
1200
1201     infoPtr->hwndSelf = hwnd;
1202     infoPtr->dwStyle = lpcs->style;
1203
1204     infoPtr->nrFieldsAllocated = 32;
1205     infoPtr->fieldspec = (int *) Alloc (infoPtr->nrFieldsAllocated * sizeof(int));
1206     infoPtr->fieldRect = (RECT *) Alloc (infoPtr->nrFieldsAllocated * sizeof(RECT));
1207     infoPtr->buflen = (int *) Alloc (infoPtr->nrFieldsAllocated * sizeof(int));
1208     infoPtr->hwndNotify = lpcs->hwndParent;
1209     infoPtr->select = -1; /* initially, nothing is selected */
1210
1211     DATETIME_StyleChanged(infoPtr, GWL_STYLE, &ss);
1212     DATETIME_SetFormatW (infoPtr, 0);
1213
1214     /* create the monthcal control */
1215     infoPtr->hMonthCal = CreateWindowExW (0, SysMonthCal32W, 0, WS_BORDER | WS_POPUP | WS_CLIPSIBLINGS,
1216                                           0, 0, 0, 0, infoPtr->hwndSelf, 0, 0, 0);
1217
1218     /* initialize info structure */
1219     GetLocalTime (&infoPtr->date);
1220     infoPtr->dateValid = TRUE;
1221     infoPtr->hFont = GetStockObject(DEFAULT_GUI_FONT);
1222
1223     SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1224
1225     return 0;
1226 }
1227
1228
1229
1230 static LRESULT
1231 DATETIME_Destroy (DATETIME_INFO *infoPtr)
1232 {
1233     if (infoPtr->hwndCheckbut)
1234         DestroyWindow(infoPtr->hwndCheckbut);
1235     if (infoPtr->hUpdown)
1236         DestroyWindow(infoPtr->hUpdown);
1237     if (infoPtr->hMonthCal)
1238         DestroyWindow(infoPtr->hMonthCal);
1239     SetWindowLongPtrW( infoPtr->hwndSelf, 0, 0 ); /* clear infoPtr */
1240     Free (infoPtr);
1241     return 0;
1242 }
1243
1244
1245 static LRESULT WINAPI
1246 DATETIME_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1247 {
1248     DATETIME_INFO *infoPtr = ((DATETIME_INFO *)GetWindowLongPtrW (hwnd, 0));
1249     LRESULT ret;
1250
1251     TRACE ("%x, %lx, %lx\n", uMsg, wParam, lParam);
1252
1253     if (!infoPtr && (uMsg != WM_CREATE) && (uMsg != WM_NCCREATE))
1254         return DefWindowProcW( hwnd, uMsg, wParam, lParam );
1255
1256     switch (uMsg) {
1257
1258     case DTM_GETSYSTEMTIME:
1259         return DATETIME_GetSystemTime (infoPtr, (SYSTEMTIME *) lParam);
1260
1261     case DTM_SETSYSTEMTIME:
1262         return DATETIME_SetSystemTime (infoPtr, wParam, (SYSTEMTIME *) lParam);
1263
1264     case DTM_GETRANGE:
1265         ret = SendMessageW (infoPtr->hMonthCal, MCM_GETRANGE, wParam, lParam);
1266         return ret ? ret : 1; /* bug emulation */
1267
1268     case DTM_SETRANGE:
1269         return SendMessageW (infoPtr->hMonthCal, MCM_SETRANGE, wParam, lParam);
1270
1271     case DTM_SETFORMATA:
1272         return DATETIME_SetFormatA (infoPtr, (LPCSTR)lParam);
1273
1274     case DTM_SETFORMATW:
1275         return DATETIME_SetFormatW (infoPtr, (LPCWSTR)lParam);
1276
1277     case DTM_GETMONTHCAL:
1278         return (LRESULT)infoPtr->hMonthCal;
1279
1280     case DTM_SETMCCOLOR:
1281         return SendMessageW (infoPtr->hMonthCal, MCM_SETCOLOR, wParam, lParam);
1282
1283     case DTM_GETMCCOLOR:
1284         return SendMessageW (infoPtr->hMonthCal, MCM_GETCOLOR, wParam, 0);
1285
1286     case DTM_SETMCFONT:
1287         return SendMessageW (infoPtr->hMonthCal, WM_SETFONT, wParam, lParam);
1288
1289     case DTM_GETMCFONT:
1290         return SendMessageW (infoPtr->hMonthCal, WM_GETFONT, wParam, lParam);
1291
1292     case WM_NOTIFY:
1293         return DATETIME_Notify (infoPtr, (int)wParam, (LPNMHDR)lParam);
1294
1295     case WM_ENABLE:
1296         return DATETIME_Enable (infoPtr, (BOOL)wParam);
1297
1298     case WM_ERASEBKGND:
1299         return DATETIME_EraseBackground (infoPtr, (HDC)wParam);
1300
1301     case WM_GETDLGCODE:
1302         return DLGC_WANTARROWS | DLGC_WANTCHARS;
1303
1304     case WM_PRINTCLIENT:
1305     case WM_PAINT:
1306         return DATETIME_Paint (infoPtr, (HDC)wParam);
1307
1308     case WM_KEYDOWN:
1309         return DATETIME_KeyDown (infoPtr, wParam, lParam);
1310
1311     case WM_KILLFOCUS:
1312         return DATETIME_KillFocus (infoPtr, (HWND)wParam);
1313
1314     case WM_NCCREATE:
1315         return DATETIME_NCCreate (hwnd, (LPCREATESTRUCTW)lParam);
1316
1317     case WM_SETFOCUS:
1318         return DATETIME_SetFocus (infoPtr, (HWND)wParam);
1319
1320     case WM_SIZE:
1321         return DATETIME_Size (infoPtr, wParam, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1322
1323     case WM_LBUTTONDOWN:
1324         return DATETIME_LButtonDown (infoPtr, (WORD)wParam, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1325
1326     case WM_LBUTTONUP:
1327         return DATETIME_LButtonUp (infoPtr, (WORD)wParam);
1328
1329     case WM_VSCROLL:
1330         return DATETIME_VScroll (infoPtr, (WORD)wParam);
1331
1332     case WM_CREATE:
1333         return DATETIME_Create (hwnd, (LPCREATESTRUCTW)lParam);
1334
1335     case WM_DESTROY:
1336         return DATETIME_Destroy (infoPtr);
1337
1338     case WM_COMMAND:
1339         return DATETIME_Command (infoPtr, wParam, lParam);
1340
1341     case WM_STYLECHANGED:
1342         return DATETIME_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
1343
1344     case WM_SETFONT:
1345         return DATETIME_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
1346
1347     case WM_GETFONT:
1348         return (LRESULT) infoPtr->hFont;
1349
1350     default:
1351         if ((uMsg >= WM_USER) && (uMsg < WM_APP))
1352                 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",
1353                      uMsg, wParam, lParam);
1354         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1355     }
1356 }
1357
1358
1359 void
1360 DATETIME_Register (void)
1361 {
1362     WNDCLASSW wndClass;
1363
1364     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1365     wndClass.style         = CS_GLOBALCLASS;
1366     wndClass.lpfnWndProc   = DATETIME_WindowProc;
1367     wndClass.cbClsExtra    = 0;
1368     wndClass.cbWndExtra    = sizeof(DATETIME_INFO *);
1369     wndClass.hCursor       = LoadCursorW (0, (LPCWSTR)IDC_ARROW);
1370     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
1371     wndClass.lpszClassName = DATETIMEPICK_CLASSW;
1372
1373     RegisterClassW (&wndClass);
1374 }
1375
1376
1377 void
1378 DATETIME_Unregister (void)
1379 {
1380     UnregisterClassW (DATETIMEPICK_CLASSW, NULL);
1381 }