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_FORMAT
  35  *    -- DTN_FORMATQUERY
  36  *    -- DTN_USERSTRING
  37  *    -- DTN_WMKEYDOWN
  38  *    -- FORMATCALLBACK
  39  */
  40
  41 #include <math.h>
  42 #include <string.h>
  43 #include <stdarg.h>
  44 #include <stdio.h>
  45 #include <limits.h>
  46
  47 #include "windef.h"
  48 #include "winbase.h"
  49 #include "wingdi.h"
  50 #include "winuser.h"
  51 #include "winnls.h"
  52 #include "commctrl.h"
  53 #include "comctl32.h"
  54 #include "wine/debug.h"
  55 #include "wine/unicode.h"
  56
  57 WINE_DEFAULT_DEBUG_CHANNEL(datetime);
  58
  59 typedef struct
  60 {
  61     HWND hwndSelf;
  62     HWND hMonthCal;
  63     HWND hwndNotify;
  64     HWND hUpdown;
  65     DWORD dwStyle;
  66     SYSTEMTIME date;
  67     BOOL dateValid;
  68     HWND hwndCheckbut;
  69     RECT rcClient; /* rect around the edge of the window */
  70     RECT rcDraw; /* rect inside of the border */
  71     RECT checkbox;  /* checkbox allowing the control to be enabled/disabled */
  72     RECT calbutton; /* button that toggles the dropdown of the monthcal control */
  73     BOOL bCalDepressed; /* TRUE = cal button is depressed */
  74     int  bDropdownEnabled;
  75     int  select;
  76     WCHAR charsEntered[4];
  77     int nCharsEntered;
  78     HFONT hFont;
  79     int nrFieldsAllocated;
  80     int nrFields;
  81     int haveFocus;
  82     int *fieldspec;
  83     RECT *fieldRect;
  84     int  *buflen;
  85     WCHAR textbuf[256];
  86     POINT monthcal_pos;
  87     int pendingUpdown;
  88 } DATETIME_INFO, *LPDATETIME_INFO;
  89
  90 /* in monthcal.c */
  91 extern int MONTHCAL_MonthLength(int month, int year);
  92 extern int MONTHCAL_CalculateDayOfWeek(SYSTEMTIME *date, BOOL inplace);
  93
  94 /* this list of defines is closely related to `allowedformatchars' defined
  95  * in datetime.c; the high nibble indicates the `base type' of the format
  96  * specifier.
  97  * Do not change without first reading DATETIME_UseFormat.
  98  *
  99  */
 100
 101 #define DT_END_FORMAT      0
 102 #define ONEDIGITDAY     0x01
 103 #define TWODIGITDAY     0x02
 104 #define THREECHARDAY    0x03
 105 #define FULLDAY         0x04
 106 #define ONEDIGIT12HOUR  0x11
 107 #define TWODIGIT12HOUR  0x12
 108 #define ONEDIGIT24HOUR  0x21
 109 #define TWODIGIT24HOUR  0x22
 110 #define ONEDIGITMINUTE  0x31
 111 #define TWODIGITMINUTE  0x32
 112 #define ONEDIGITMONTH   0x41
 113 #define TWODIGITMONTH   0x42
 114 #define THREECHARMONTH  0x43
 115 #define FULLMONTH       0x44
 116 #define ONEDIGITSECOND  0x51
 117 #define TWODIGITSECOND  0x52
 118 #define ONELETTERAMPM   0x61
 119 #define TWOLETTERAMPM   0x62
 120 #define ONEDIGITYEAR    0x71
 121 #define TWODIGITYEAR    0x72
 122 #define INVALIDFULLYEAR 0x73      /* FIXME - yyy is not valid - we'll treat it as yyyy */
 123 #define FULLYEAR        0x74
 124 #define FORMATCALLBACK  0x81      /* -> maximum of 0x80 callbacks possible */
 125 #define FORMATCALLMASK  0x80
 126 #define DT_STRING       0x0100
 127
 128 #define DTHT_DATEFIELD  0xff      /* for hit-testing */
 129
 130 #define DTHT_NONE       0x1000
 131 #define DTHT_CHECKBOX   0x2000  /* these should end at '00' , to make */
 132 #define DTHT_MCPOPUP    0x3000  /* & DTHT_DATEFIELD 0 when DATETIME_KeyDown */
 133 #define DTHT_GOTFOCUS   0x4000  /* tests for date-fields */
 134 #define DTHT_NODATEMASK 0xf000  /* to mask check and drop down from others */
 135
 136 static BOOL DATETIME_SendSimpleNotify (const DATETIME_INFO *infoPtr, UINT code);
 137 static BOOL DATETIME_SendDateTimeChangeNotify (const DATETIME_INFO *infoPtr);
 138 static const WCHAR allowedformatchars[] = {'d', 'h', 'H', 'm', 'M', 's', 't', 'y', 'X', 0};
 139 static const int maxrepetition [] = {4,2,2,2,4,2,2,4,-1};
 140
 141
 142 static DWORD
 143 DATETIME_GetSystemTime (const DATETIME_INFO *infoPtr, SYSTEMTIME *systime)
 144 {
 145     if (!systime) return GDT_NONE;
 146
 147     if ((infoPtr->dwStyle & DTS_SHOWNONE) &&
 148         (SendMessageW (infoPtr->hwndCheckbut, BM_GETCHECK, 0, 0) == BST_UNCHECKED))
 149         return GDT_NONE;
 150
 151     *systime = infoPtr->date;
 152
 153     return GDT_VALID;
 154 }
 155
 156
 157 static BOOL
 158 DATETIME_SetSystemTime (DATETIME_INFO *infoPtr, DWORD flag, const SYSTEMTIME *systime)
 159 {
 160     if (!systime) return 0;
 161
 162     TRACE("%04d/%02d/%02d %02d:%02d:%02d\n",
 163           systime->wYear, systime->wMonth, systime->wDay,
 164           systime->wHour, systime->wMinute, systime->wSecond);
 165
 166     if (flag == GDT_VALID) {
 167       if (systime->wYear < 1601 || systime->wYear > 30827 ||
 168           systime->wMonth < 1 || systime->wMonth > 12 ||
 169           systime->wDay < 1 ||
 170           systime->wDay > MONTHCAL_MonthLength(systime->wMonth, systime->wYear) ||
 171           systime->wHour > 23 ||
 172           systime->wMinute > 59 ||
 173           systime->wSecond > 59 ||
 174           systime->wMilliseconds > 999
 175           )
 176         return FALSE;
 177
 178         infoPtr->dateValid = TRUE;
 179         infoPtr->date = *systime;
 180         /* always store a valid day of week */
 181         MONTHCAL_CalculateDayOfWeek(&infoPtr->date, TRUE);
 182
 183         SendMessageW (infoPtr->hMonthCal, MCM_SETCURSEL, 0, (LPARAM)(&infoPtr->date));
 184         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_CHECKED, 0);
 185     } else if ((infoPtr->dwStyle & DTS_SHOWNONE) && (flag == GDT_NONE)) {
 186         infoPtr->dateValid = FALSE;
 187         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_UNCHECKED, 0);
 188     }
 189     else
 190         return FALSE;
 191
 192     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 193     return TRUE;
 194 }
 195
 196
 197 /***
 198  * Split up a formattxt in actions.
 199  * See ms documentation for the meaning of the letter codes/'specifiers'.
 200  *
 201  * Notes:
 202  * *'dddddd' is handled as 'dddd' plus 'dd'.
 203  * *unrecognized formats are strings (here given the type DT_STRING;
 204  * start of the string is encoded in lower bits of DT_STRING.
 205  * Therefore, 'string' ends finally up as '<show seconds>tring'.
 206  *
 207  */
 208 static void
 209 DATETIME_UseFormat (DATETIME_INFO *infoPtr, LPCWSTR formattxt)
 210 {
 211     unsigned int i;
 212     int j, k, len;
 213     BOOL inside_literal = FALSE; /* inside '...' */
 214     int *nrFields = &infoPtr->nrFields;
 215
 216     *nrFields = 0;
 217     infoPtr->fieldspec[*nrFields] = 0;
 218     len = strlenW(allowedformatchars);
 219     k = 0;
 220
 221     for (i = 0; formattxt[i]; i++)  {
 222         TRACE ("\n%d %c:", i, formattxt[i]);
 223         if (!inside_literal) {
 224             for (j = 0; j < len; j++) {
 225                 if (allowedformatchars[j]==formattxt[i]) {
 226                     TRACE ("%c[%d,%x]", allowedformatchars[j], *nrFields, infoPtr->fieldspec[*nrFields]);
 227                     if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 228                         infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 229                         break;
 230                     }
 231                     if (infoPtr->fieldspec[*nrFields] >> 4 != j) {
 232                         (*nrFields)++;
 233                         infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 234                         break;
 235                     }
 236                     if ((infoPtr->fieldspec[*nrFields] & 0x0f) == maxrepetition[j]) {
 237                         (*nrFields)++;
 238                         infoPtr->fieldspec[*nrFields] = (j<<4) + 1;
 239                         break;
 240                     }
 241                     infoPtr->fieldspec[*nrFields]++;
 242                     break;
 243                 }   /* if allowedformatchar */
 244             } /* for j */
 245         }
 246         else
 247             j = len;
 248
 249         if (formattxt[i] == '\'')
 250         {
 251             inside_literal = !inside_literal;
 252             continue;
 253         }
 254
 255         /* char is not a specifier: handle char like a string */
 256         if (j == len) {
 257             if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 258                 infoPtr->fieldspec[*nrFields] = DT_STRING + k;
 259                 infoPtr->buflen[*nrFields] = 0;
 260             } else if ((infoPtr->fieldspec[*nrFields] & DT_STRING) != DT_STRING)  {
 261                 (*nrFields)++;
 262                 infoPtr->fieldspec[*nrFields] = DT_STRING + k;
 263                 infoPtr->buflen[*nrFields] = 0;
 264             }
 265             infoPtr->textbuf[k] = formattxt[i];
 266             k++;
 267             infoPtr->buflen[*nrFields]++;
 268         }   /* if j=len */
 269
 270         if (*nrFields == infoPtr->nrFieldsAllocated) {
 271             FIXME ("out of memory; should reallocate. crash ahead.\n");
 272         }
 273     } /* for i */
 274
 275     TRACE("\n");
 276
 277     if (infoPtr->fieldspec[*nrFields] != 0) (*nrFields)++;
 278 }
 279
 280
 281 static BOOL
 282 DATETIME_SetFormatW (DATETIME_INFO *infoPtr, LPCWSTR format)
 283 {
 284     WCHAR format_buf[80];
 285
 286     if (!format) {
 287         DWORD format_item;
 288
 289         if (infoPtr->dwStyle & DTS_LONGDATEFORMAT)
 290             format_item = LOCALE_SLONGDATE;
 291         else if ((infoPtr->dwStyle & DTS_TIMEFORMAT) == DTS_TIMEFORMAT)
 292             format_item = LOCALE_STIMEFORMAT;
 293         else /* DTS_SHORTDATEFORMAT */
 294             format_item = LOCALE_SSHORTDATE;
 295         GetLocaleInfoW(LOCALE_USER_DEFAULT, format_item, format_buf, sizeof(format_buf)/sizeof(format_buf[0]));
 296         format = format_buf;
 297     }
 298
 299     DATETIME_UseFormat (infoPtr, format);
 300     InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
 301
 302     return TRUE;
 303 }
 304
 305
 306 static BOOL
 307 DATETIME_SetFormatA (DATETIME_INFO *infoPtr, LPCSTR lpszFormat)
 308 {
 309     if (lpszFormat) {
 310         BOOL retval;
 311         INT len = MultiByteToWideChar(CP_ACP, 0, lpszFormat, -1, NULL, 0);
 312         LPWSTR wstr = Alloc(len * sizeof(WCHAR));
 313         if (wstr) MultiByteToWideChar(CP_ACP, 0, lpszFormat, -1, wstr, len);
 314         retval = DATETIME_SetFormatW (infoPtr, wstr);
 315         Free (wstr);
 316         return retval;
 317     }
 318     else
 319         return DATETIME_SetFormatW (infoPtr, 0);
 320
 321 }
 322
 323
 324 static void
 325 DATETIME_ReturnTxt (const DATETIME_INFO *infoPtr, int count, LPWSTR result, int resultSize)
 326 {
 327     static const WCHAR fmt_dW[] = { '%', 'd', 0 };
 328     static const WCHAR fmt__2dW[] = { '%', '.', '2', 'd', 0 };
 329     static const WCHAR fmt__3sW[] = { '%', '.', '3', 's', 0 };
 330     SYSTEMTIME date = infoPtr->date;
 331     int spec;
 332     WCHAR buffer[80];
 333
 334     *result=0;
 335     TRACE ("%d,%d\n", infoPtr->nrFields, count);
 336     if (count>infoPtr->nrFields || count < 0) {
 337         WARN ("buffer overrun, have %d want %d\n", infoPtr->nrFields, count);
 338         return;
 339     }
 340
 341     if (!infoPtr->fieldspec) return;
 342
 343     spec = infoPtr->fieldspec[count];
 344     if (spec & DT_STRING) {
 345         int txtlen = infoPtr->buflen[count];
 346
 347         if (txtlen > resultSize)
 348             txtlen = resultSize - 1;
 349         memcpy (result, infoPtr->textbuf + (spec &~ DT_STRING), txtlen * sizeof(WCHAR));
 350         result[txtlen] = 0;
 351         TRACE ("arg%d=%x->[%s]\n", count, infoPtr->fieldspec[count], debugstr_w(result));
 352         return;
 353     }
 354
 355
 356     switch (spec) {
 357         case DT_END_FORMAT:
 358             *result = 0;
 359             break;
 360         case ONEDIGITDAY:
 361             wsprintfW (result, fmt_dW, date.wDay);
 362             break;
 363         case TWODIGITDAY:
 364             wsprintfW (result, fmt__2dW, date.wDay);
 365             break;
 366         case THREECHARDAY:
 367             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SABBREVDAYNAME1+(date.wDayOfWeek+6)%7, result, 4);
 368             /*wsprintfW (result,"%.3s",days[date.wDayOfWeek]);*/
 369             break;
 370         case FULLDAY:
 371             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SDAYNAME1+(date.wDayOfWeek+6)%7, result, resultSize);
 372             break;
 373         case ONEDIGIT12HOUR:
 374             if (date.wHour == 0) {
 375                 result[0] = '1';
 376                 result[1] = '2';
 377                 result[2] = 0;
 378             }
 379             else
 380                 wsprintfW (result, fmt_dW, date.wHour - (date.wHour > 12 ? 12 : 0));
 381             break;
 382         case TWODIGIT12HOUR:
 383             if (date.wHour == 0) {
 384                 result[0] = '1';
 385                 result[1] = '2';
 386                 result[2] = 0;
 387             }
 388             else
 389                 wsprintfW (result, fmt__2dW, date.wHour - (date.wHour > 12 ? 12 : 0));
 390             break;
 391         case ONEDIGIT24HOUR:
 392             wsprintfW (result, fmt_dW, date.wHour);
 393             break;
 394         case TWODIGIT24HOUR:
 395             wsprintfW (result, fmt__2dW, date.wHour);
 396             break;
 397         case ONEDIGITSECOND:
 398             wsprintfW (result, fmt_dW, date.wSecond);
 399             break;
 400         case TWODIGITSECOND:
 401             wsprintfW (result, fmt__2dW, date.wSecond);
 402             break;
 403         case ONEDIGITMINUTE:
 404             wsprintfW (result, fmt_dW, date.wMinute);
 405             break;
 406         case TWODIGITMINUTE:
 407             wsprintfW (result, fmt__2dW, date.wMinute);
 408             break;
 409         case ONEDIGITMONTH:
 410             wsprintfW (result, fmt_dW, date.wMonth);
 411             break;
 412         case TWODIGITMONTH:
 413             wsprintfW (result, fmt__2dW, date.wMonth);
 414             break;
 415         case THREECHARMONTH:
 416             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+date.wMonth -1,
 417                            buffer, sizeof(buffer)/sizeof(buffer[0]));
 418             wsprintfW (result, fmt__3sW, buffer);
 419             break;
 420         case FULLMONTH:
 421             GetLocaleInfoW(LOCALE_USER_DEFAULT, LOCALE_SMONTHNAME1+date.wMonth -1,
 422                            result, resultSize);
 423             break;
 424         case ONELETTERAMPM:
 425             result[0] = (date.wHour < 12 ? 'A' : 'P');
 426             result[1] = 0;
 427             break;
 428         case TWOLETTERAMPM:
 429             result[0] = (date.wHour < 12 ? 'A' : 'P');
 430             result[1] = 'M';
 431             result[2] = 0;
 432             break;
 433         case FORMATCALLBACK:
 434             FIXME ("Not implemented\n");
 435             result[0] = 'x';
 436             result[1] = 0;
 437             break;
 438         case ONEDIGITYEAR:
 439             wsprintfW (result, fmt_dW, date.wYear-10* (int) floor(date.wYear/10));
 440             break;
 441         case TWODIGITYEAR:
 442             wsprintfW (result, fmt__2dW, date.wYear-100* (int) floor(date.wYear/100));
 443             break;
 444         case INVALIDFULLYEAR:
 445         case FULLYEAR:
 446             wsprintfW (result, fmt_dW, date.wYear);
 447             break;
 448     }
 449
 450     TRACE ("arg%d=%x->[%s]\n", count, infoPtr->fieldspec[count], debugstr_w(result));
 451 }
 452
 453 static int wrap(int val, int delta, int minVal, int maxVal)
 454 {
 455     val += delta;
 456     if (delta == INT_MIN || val < minVal) return maxVal;
 457     if (delta == INT_MAX || val > maxVal) return minVal;
 458     return val;
 459 }
 460
 461 static void
 462 DATETIME_IncreaseField (DATETIME_INFO *infoPtr, int number, int delta)
 463 {
 464     SYSTEMTIME *date = &infoPtr->date;
 465
 466     TRACE ("%d\n", number);
 467     if ((number > infoPtr->nrFields) || (number < 0)) return;
 468
 469     if ((infoPtr->fieldspec[number] & DTHT_DATEFIELD) == 0) return;
 470
 471     switch (infoPtr->fieldspec[number]) {
 472         case ONEDIGITYEAR:
 473         case TWODIGITYEAR:
 474         case FULLYEAR:
 475             date->wYear = wrap(date->wYear, delta, 1752, 9999);
 476             if (date->wDay > MONTHCAL_MonthLength(date->wMonth, date->wYear))
 477                 /* This can happen when moving away from a leap year. */
 478                 date->wDay = MONTHCAL_MonthLength(date->wMonth, date->wYear);
 479             MONTHCAL_CalculateDayOfWeek(date, TRUE);
 480             break;
 481         case ONEDIGITMONTH:
 482         case TWODIGITMONTH:
 483         case THREECHARMONTH:
 484         case FULLMONTH:
 485             date->wMonth = wrap(date->wMonth, delta, 1, 12);
 486             MONTHCAL_CalculateDayOfWeek(date, TRUE);
 487             delta = 0;
 488             /* fall through */
 489         case ONEDIGITDAY:
 490         case TWODIGITDAY:
 491         case THREECHARDAY:
 492         case FULLDAY:
 493             date->wDay = wrap(date->wDay, delta, 1, MONTHCAL_MonthLength(date->wMonth, date->wYear));
 494             MONTHCAL_CalculateDayOfWeek(date, TRUE);
 495             break;
 496         case ONELETTERAMPM:
 497         case TWOLETTERAMPM:
 498             delta *= 12;
 499             /* fall through */
 500         case ONEDIGIT12HOUR:
 501         case TWODIGIT12HOUR:
 502         case ONEDIGIT24HOUR:
 503         case TWODIGIT24HOUR:
 504             date->wHour = wrap(date->wHour, delta, 0, 23);
 505             break;
 506         case ONEDIGITMINUTE:
 507         case TWODIGITMINUTE:
 508             date->wMinute = wrap(date->wMinute, delta, 0, 59);
 509             break;
 510         case ONEDIGITSECOND:
 511         case TWODIGITSECOND:
 512             date->wSecond = wrap(date->wSecond, delta, 0, 59);
 513             break;
 514         case FORMATCALLBACK:
 515             FIXME ("Not implemented\n");
 516             break;
 517     }
 518
 519     /* FYI: On 1752/9/14 the calendar changed and England and the
 520      * American colonies changed to the Gregorian calendar. This change
 521      * involved having September 14th follow September 2nd. So no date
 522      * algorithm works before that date.
 523      */
 524     if (10000 * date->wYear + 100 * date->wMonth + date->wDay < 17520914) {
 525         date->wYear = 1752;
 526         date->wMonth = 9;
 527         date->wDay = 14;
 528         date->wSecond = 0;
 529         date->wMinute = 0;
 530         date->wHour = 0;
 531     }
 532 }
 533
 534
 535 static void
 536 DATETIME_ReturnFieldWidth (const DATETIME_INFO *infoPtr, HDC hdc, int count, SHORT *width)
 537 {
 538     /* fields are a fixed width, determined by the largest possible string */
 539     /* presumably, these widths should be language dependent */
 540     static const WCHAR fld_d1W[] = { '2', 0 };
 541     static const WCHAR fld_d2W[] = { '2', '2', 0 };
 542     static const WCHAR fld_d4W[] = { '2', '2', '2', '2', 0 };
 543     static const WCHAR fld_am1[] = { 'A', 0 };
 544     static const WCHAR fld_am2[] = { 'A', 'M', 0 };
 545     int spec;
 546     WCHAR buffer[80];
 547     LPCWSTR bufptr;
 548     SIZE size;
 549
 550     TRACE ("%d,%d\n", infoPtr->nrFields, count);
 551     if (count>infoPtr->nrFields || count < 0) {
 552         WARN ("buffer overrun, have %d want %d\n", infoPtr->nrFields, count);
 553         return;
 554     }
 555
 556     if (!infoPtr->fieldspec) return;
 557
 558     spec = infoPtr->fieldspec[count];
 559     if (spec & DT_STRING) {
 560         int txtlen = infoPtr->buflen[count];
 561
 562         if (txtlen > 79)
 563             txtlen = 79;
 564         memcpy (buffer, infoPtr->textbuf + (spec &~ DT_STRING), txtlen * sizeof(WCHAR));
 565         buffer[txtlen] = 0;
 566         bufptr = buffer;
 567     }
 568     else {
 569         switch (spec) {
 570             case ONEDIGITDAY:
 571             case ONEDIGIT12HOUR:
 572             case ONEDIGIT24HOUR:
 573             case ONEDIGITSECOND:
 574             case ONEDIGITMINUTE:
 575             case ONEDIGITMONTH:
 576             case ONEDIGITYEAR:
 577                 /* these seem to use a two byte field */
 578             case TWODIGITDAY:
 579             case TWODIGIT12HOUR:
 580             case TWODIGIT24HOUR:
 581             case TWODIGITSECOND:
 582             case TWODIGITMINUTE:
 583             case TWODIGITMONTH:
 584             case TWODIGITYEAR:
 585                 bufptr = fld_d2W;
 586                 break;
 587             case INVALIDFULLYEAR:
 588             case FULLYEAR:
 589                 bufptr = fld_d4W;
 590                 break;
 591             case THREECHARMONTH:
 592             case FULLMONTH:
 593             case THREECHARDAY:
 594             case FULLDAY:
 595             {
 596                 static const WCHAR fld_day[] = {'W','e','d','n','e','s','d','a','y',0};
 597                 static const WCHAR fld_abbrday[] = {'W','e','d',0};
 598                 static const WCHAR fld_mon[] = {'S','e','p','t','e','m','b','e','r',0};
 599                 static const WCHAR fld_abbrmon[] = {'D','e','c',0};
 600
 601                 const WCHAR *fall;
 602                 LCTYPE lctype;
 603                 INT i, max_count;
 604                 LONG cx;
 605
 606                 /* choose locale data type and fallback string */
 607                 switch (spec) {
 608                 case THREECHARDAY:
 609                     fall   = fld_abbrday;
 610                     lctype = LOCALE_SABBREVDAYNAME1;
 611                     max_count = 7;
 612                     break;
 613                 case FULLDAY:
 614                     fall   = fld_day;
 615                     lctype = LOCALE_SDAYNAME1;
 616                     max_count = 7;
 617                     break;
 618                 case THREECHARMONTH:
 619                     fall   = fld_abbrmon;
 620                     lctype = LOCALE_SABBREVMONTHNAME1;
 621                     max_count = 12;
 622                     break;
 623                 default: /* FULLMONTH */
 624                     fall   = fld_mon;
 625                     lctype = LOCALE_SMONTHNAME1;
 626                     max_count = 12;
 627                     break;
 628                 }
 629
 630                 cx = 0;
 631                 for (i = 0; i < max_count; i++)
 632                 {
 633                     if(GetLocaleInfoW(LOCALE_USER_DEFAULT, lctype + i,
 634                         buffer, lstrlenW(buffer)))
 635                     {
 636                         GetTextExtentPoint32W(hdc, buffer, lstrlenW(buffer), &size);
 637                         if (size.cx > cx) cx = size.cx;
 638                     }
 639                     else /* locale independent fallback on failure */
 640                     {
 641                         GetTextExtentPoint32W(hdc, fall, lstrlenW(fall), &size);
 642                         cx = size.cx;
 643                         break;
 644                     }
 645                 }
 646                 *width = cx;
 647                 return;
 648             }
 649             case ONELETTERAMPM:
 650                 bufptr = fld_am1;
 651                 break;
 652             case TWOLETTERAMPM:
 653                 bufptr = fld_am2;
 654                 break;
 655             default:
 656                 bufptr = fld_d1W;
 657                 break;
 658         }
 659     }
 660     GetTextExtentPoint32W (hdc, bufptr, strlenW(bufptr), &size);
 661     *width = size.cx;
 662 }
 663
 664 static void
 665 DATETIME_Refresh (DATETIME_INFO *infoPtr, HDC hdc)
 666 {
 667     TRACE("\n");
 668
 669     if (infoPtr->dateValid) {
 670         int i, prevright;
 671         RECT *field;
 672         RECT *rcDraw = &infoPtr->rcDraw;
 673         SIZE size;
 674         COLORREF oldTextColor;
 675         SHORT fieldWidth = 0;
 676         HFONT oldFont = SelectObject (hdc, infoPtr->hFont);
 677         INT oldBkMode = SetBkMode (hdc, TRANSPARENT);
 678         WCHAR txt[80];
 679
 680         DATETIME_ReturnTxt (infoPtr, 0, txt, sizeof(txt)/sizeof(txt[0]));
 681         GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
 682         rcDraw->bottom = size.cy + 2;
 683
 684         prevright = infoPtr->checkbox.right = ((infoPtr->dwStyle & DTS_SHOWNONE) ? 18 : 2);
 685
 686         for (i = 0; i < infoPtr->nrFields; i++) {
 687             DATETIME_ReturnTxt (infoPtr, i, txt, sizeof(txt)/sizeof(txt[0]));
 688             GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
 689             DATETIME_ReturnFieldWidth (infoPtr, hdc, i, &fieldWidth);
 690             field = &infoPtr->fieldRect[i];
 691             field->left   = prevright;
 692             field->right  = prevright + fieldWidth;
 693             field->top    = rcDraw->top;
 694             field->bottom = rcDraw->bottom;
 695             prevright = field->right;
 696
 697             if (infoPtr->dwStyle & WS_DISABLED)
 698                 oldTextColor = SetTextColor (hdc, comctl32_color.clrGrayText);
 699             else if ((infoPtr->haveFocus) && (i == infoPtr->select)) {
 700                 RECT selection;
 701
 702                 /* fill if focused */
 703                 HBRUSH hbr = CreateSolidBrush (comctl32_color.clrActiveCaption);
 704
 705                 if (infoPtr->nCharsEntered)
 706                 {
 707                     memcpy(txt, infoPtr->charsEntered, infoPtr->nCharsEntered * sizeof(WCHAR));
 708                     txt[infoPtr->nCharsEntered] = 0;
 709                     GetTextExtentPoint32W (hdc, txt, strlenW(txt), &size);
 710                 }
 711
 712                 selection.left   = 0;
 713                 selection.top    = 0;
 714                 selection.right  = size.cx;
 715                 selection.bottom = size.cy;
 716                 /* center rectangle */
 717                 OffsetRect(&selection, (field->right  + field->left - size.cx)/2,
 718                                        (field->bottom - size.cy)/2);
 719
 720                 FillRect(hdc, &selection, hbr);
 721                 DeleteObject (hbr);
 722                 oldTextColor = SetTextColor (hdc, comctl32_color.clrWindow);
 723             }
 724             else
 725                 oldTextColor = SetTextColor (hdc, comctl32_color.clrWindowText);
 726
 727             /* draw the date text using the colour set above */
 728             DrawTextW (hdc, txt, strlenW(txt), field, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
 729             SetTextColor (hdc, oldTextColor);
 730         }
 731         SetBkMode (hdc, oldBkMode);
 732         SelectObject (hdc, oldFont);
 733     }
 734
 735     if (!(infoPtr->dwStyle & DTS_UPDOWN)) {
 736         DrawFrameControl(hdc, &infoPtr->calbutton, DFC_SCROLL,
 737                          DFCS_SCROLLDOWN | (infoPtr->bCalDepressed ? DFCS_PUSHED : 0) |
 738                          (infoPtr->dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
 739     }
 740 }
 741
 742
 743 static INT
 744 DATETIME_HitTest (const DATETIME_INFO *infoPtr, POINT pt)
 745 {
 746     int i;
 747
 748     TRACE ("%d, %d\n", pt.x, pt.y);
 749
 750     if (PtInRect (&infoPtr->calbutton, pt)) return DTHT_MCPOPUP;
 751     if (PtInRect (&infoPtr->checkbox, pt)) return DTHT_CHECKBOX;
 752
 753     for (i = 0; i < infoPtr->nrFields; i++) {
 754         if (PtInRect (&infoPtr->fieldRect[i], pt)) return i;
 755     }
 756
 757     return DTHT_NONE;
 758 }
 759
 760 /* Returns index of a closest date field from given counting to left
 761    or -1 if there's no such fields at left */
 762 static int DATETIME_GetPrevDateField(const DATETIME_INFO *infoPtr, int i)
 763 {
 764     for(--i; i >= 0; i--)
 765     {
 766         if (infoPtr->fieldspec[i] & DTHT_DATEFIELD) return i;
 767     }
 768     return -1;
 769 }
 770
 771 static void
 772 DATETIME_ApplySelectedField (DATETIME_INFO *infoPtr)
 773 {
 774     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
 775     int i, val=0, clamp_day=0;
 776     SYSTEMTIME date = infoPtr->date;
 777
 778     if (infoPtr->select == -1 || infoPtr->nCharsEntered == 0)
 779         return;
 780
 781     for (i=0; i<infoPtr->nCharsEntered; i++)
 782         val = val * 10 + infoPtr->charsEntered[i] - '0';
 783
 784     infoPtr->nCharsEntered = 0;
 785
 786     switch (infoPtr->fieldspec[fieldNum]) {
 787         case ONEDIGITYEAR:
 788         case TWODIGITYEAR:
 789             date.wYear = date.wYear - (date.wYear%100) + val;
 790             clamp_day = 1;
 791             break;
 792         case INVALIDFULLYEAR:
 793         case FULLYEAR:
 794             date.wYear = val;
 795             clamp_day = 1;
 796             break;
 797         case ONEDIGITMONTH:
 798         case TWODIGITMONTH:
 799             date.wMonth = val;
 800             clamp_day = 1;
 801             break;
 802         case ONEDIGITDAY:
 803         case TWODIGITDAY:
 804             date.wDay = val;
 805             break;
 806         case ONEDIGIT12HOUR:
 807         case TWODIGIT12HOUR:
 808         case ONEDIGIT24HOUR:
 809         case TWODIGIT24HOUR:
 810             /* FIXME: Preserve AM/PM for 12HOUR? */
 811             date.wHour = val;
 812             break;
 813         case ONEDIGITMINUTE:
 814         case TWODIGITMINUTE:
 815             date.wMinute = val;
 816             break;
 817         case ONEDIGITSECOND:
 818         case TWODIGITSECOND:
 819             date.wSecond = val;
 820             break;
 821     }
 822
 823     if (clamp_day && date.wDay > MONTHCAL_MonthLength(date.wMonth, date.wYear))
 824         date.wDay = MONTHCAL_MonthLength(date.wMonth, date.wYear);
 825
 826     if (DATETIME_SetSystemTime(infoPtr, GDT_VALID, &date))
 827         DATETIME_SendDateTimeChangeNotify (infoPtr);
 828 }
 829
 830 static void
 831 DATETIME_SetSelectedField (DATETIME_INFO *infoPtr, int select)
 832 {
 833     DATETIME_ApplySelectedField(infoPtr);
 834
 835     infoPtr->select = select;
 836     infoPtr->nCharsEntered = 0;
 837 }
 838
 839 static LRESULT
 840 DATETIME_LButtonDown (DATETIME_INFO *infoPtr, INT x, INT y)
 841 {
 842     POINT pt;
 843     int new;
 844
 845     pt.x = x;
 846     pt.y = y;
 847     new = DATETIME_HitTest (infoPtr, pt);
 848
 849     SetFocus(infoPtr->hwndSelf);
 850
 851     if (!(new & DTHT_NODATEMASK) || (new == DTHT_NONE))
 852     {
 853         if (new == DTHT_NONE)
 854             new = infoPtr->nrFields - 1;
 855         else
 856         {
 857             /* hitting string part moves selection to next date field to left */
 858             if (infoPtr->fieldspec[new] & DT_STRING)
 859             {
 860                 new = DATETIME_GetPrevDateField(infoPtr, new);
 861                 if (new == -1) return 0;
 862             }
 863             /* never select full day of week */
 864             if (infoPtr->fieldspec[new] == FULLDAY) return 0;
 865         }
 866     }
 867
 868     DATETIME_SetSelectedField(infoPtr, new);
 869
 870     if (infoPtr->select == DTHT_MCPOPUP) {
 871         RECT rcMonthCal;
 872         POINT pos;
 873         SendMessageW(infoPtr->hMonthCal, MCM_GETMINREQRECT, 0, (LPARAM)&rcMonthCal);
 874
 875         /* FIXME: button actually is only depressed during dropdown of the */
 876         /* calendar control and when the mouse is over the button window */
 877         infoPtr->bCalDepressed = TRUE;
 878
 879         /* recalculate the position of the monthcal popup */
 880         if(infoPtr->dwStyle & DTS_RIGHTALIGN)
 881             pos.x = infoPtr->calbutton.left - (rcMonthCal.right - rcMonthCal.left);
 882         else
 883             /* FIXME: this should be after the area reserved for the checkbox */
 884             pos.x = infoPtr->rcDraw.left;
 885
 886         pos.y = infoPtr->rcClient.bottom;
 887         OffsetRect( &rcMonthCal, pos.x, pos.y );
 888         MapWindowPoints( infoPtr->hwndSelf, 0, (POINT *)&rcMonthCal, 2 );
 889         SetWindowPos(infoPtr->hMonthCal, 0, rcMonthCal.left, rcMonthCal.top,
 890                      rcMonthCal.right - rcMonthCal.left, rcMonthCal.bottom - rcMonthCal.top, 0);
 891
 892         if(IsWindowVisible(infoPtr->hMonthCal)) {
 893             ShowWindow(infoPtr->hMonthCal, SW_HIDE);
 894             infoPtr->bDropdownEnabled = FALSE;
 895             DATETIME_SendSimpleNotify (infoPtr, DTN_CLOSEUP);
 896         } else {
 897             const SYSTEMTIME *lprgSysTimeArray = &infoPtr->date;
 898             TRACE("update calendar %04d/%02d/%02d\n",
 899             lprgSysTimeArray->wYear, lprgSysTimeArray->wMonth, lprgSysTimeArray->wDay);
 900             SendMessageW(infoPtr->hMonthCal, MCM_SETCURSEL, 0, (LPARAM)(&infoPtr->date));
 901
 902             if (infoPtr->bDropdownEnabled) {
 903                 ShowWindow(infoPtr->hMonthCal, SW_SHOW);
 904                 DATETIME_SendSimpleNotify (infoPtr, DTN_DROPDOWN);
 905             }
 906             infoPtr->bDropdownEnabled = TRUE;
 907         }
 908
 909         TRACE ("dt:%p mc:%p mc parent:%p, desktop:%p\n",
 910                infoPtr->hwndSelf, infoPtr->hMonthCal, infoPtr->hwndNotify, GetDesktopWindow ());
 911     }
 912
 913     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 914
 915     return 0;
 916 }
 917
 918
 919 static LRESULT
 920 DATETIME_LButtonUp (DATETIME_INFO *infoPtr)
 921 {
 922     if(infoPtr->bCalDepressed) {
 923         infoPtr->bCalDepressed = FALSE;
 924         InvalidateRect(infoPtr->hwndSelf, &(infoPtr->calbutton), TRUE);
 925     }
 926
 927     return 0;
 928 }
 929
 930
 931 static LRESULT
 932 DATETIME_Paint (DATETIME_INFO *infoPtr, HDC hdc)
 933 {
 934     if (!hdc) {
 935         PAINTSTRUCT ps;
 936         hdc = BeginPaint (infoPtr->hwndSelf, &ps);
 937         DATETIME_Refresh (infoPtr, hdc);
 938         EndPaint (infoPtr->hwndSelf, &ps);
 939     } else {
 940         DATETIME_Refresh (infoPtr, hdc);
 941     }
 942
 943     /* Not a click on the dropdown box, enabled it */
 944     infoPtr->bDropdownEnabled = TRUE;
 945
 946     return 0;
 947 }
 948
 949
 950 static LRESULT
 951 DATETIME_Button_Command (DATETIME_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 952 {
 953     if( HIWORD(wParam) == BN_CLICKED) {
 954         DWORD state = SendMessageW((HWND)lParam, BM_GETCHECK, 0, 0);
 955         infoPtr->dateValid = (state == BST_CHECKED);
 956         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 957     }
 958     return 0;
 959 }
 960
 961
 962
 963 static LRESULT
 964 DATETIME_Command (DATETIME_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 965 {
 966     TRACE("hwndbutton = %p\n", infoPtr->hwndCheckbut);
 967     if(infoPtr->hwndCheckbut == (HWND)lParam)
 968         return DATETIME_Button_Command(infoPtr, wParam, lParam);
 969     return 0;
 970 }
 971
 972
 973 static LRESULT
 974 DATETIME_Enable (DATETIME_INFO *infoPtr, BOOL bEnable)
 975 {
 976     TRACE("%p %s\n", infoPtr, bEnable ? "TRUE" : "FALSE");
 977     if (bEnable)
 978         infoPtr->dwStyle &= ~WS_DISABLED;
 979     else
 980         infoPtr->dwStyle |= WS_DISABLED;
 981
 982     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 983
 984     return 0;
 985 }
 986
 987
 988 static LRESULT
 989 DATETIME_EraseBackground (const DATETIME_INFO *infoPtr, HDC hdc)
 990 {
 991     HBRUSH hBrush, hSolidBrush = NULL;
 992     RECT   rc;
 993
 994     if (infoPtr->dwStyle & WS_DISABLED)
 995         hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrBtnFace);
 996     else
 997     {
 998         hBrush = (HBRUSH)SendMessageW(infoPtr->hwndNotify, WM_CTLCOLOREDIT,
 999                                       (WPARAM)hdc, (LPARAM)infoPtr->hwndSelf);
1000         if (!hBrush)
1001             hBrush = hSolidBrush = CreateSolidBrush(comctl32_color.clrWindow);
1002     }
1003
1004     GetClientRect (infoPtr->hwndSelf, &rc);
1005
1006     FillRect (hdc, &rc, hBrush);
1007
1008     if (hSolidBrush)
1009         DeleteObject(hSolidBrush);
1010
1011     return -1;
1012 }
1013
1014
1015 static LRESULT
1016 DATETIME_Notify (DATETIME_INFO *infoPtr, const NMHDR *lpnmh)
1017 {
1018     TRACE ("Got notification %x from %p\n", lpnmh->code, lpnmh->hwndFrom);
1019     TRACE ("info: %p %p %p\n", infoPtr->hwndSelf, infoPtr->hMonthCal, infoPtr->hUpdown);
1020
1021     if (lpnmh->code == MCN_SELECT) {
1022         ShowWindow(infoPtr->hMonthCal, SW_HIDE);
1023         infoPtr->dateValid = TRUE;
1024         SendMessageW (infoPtr->hMonthCal, MCM_GETCURSEL, 0, (LPARAM)&infoPtr->date);
1025         TRACE("got from calendar %04d/%02d/%02d day of week %d\n",
1026         infoPtr->date.wYear, infoPtr->date.wMonth, infoPtr->date.wDay, infoPtr->date.wDayOfWeek);
1027         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, BST_CHECKED, 0);
1028         InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1029         DATETIME_SendDateTimeChangeNotify (infoPtr);
1030         DATETIME_SendSimpleNotify(infoPtr, DTN_CLOSEUP);
1031     }
1032     if ((lpnmh->hwndFrom == infoPtr->hUpdown) && (lpnmh->code == UDN_DELTAPOS)) {
1033         const NM_UPDOWN *lpnmud = (const NM_UPDOWN*)lpnmh;
1034         TRACE("Delta pos %d\n", lpnmud->iDelta);
1035         infoPtr->pendingUpdown = lpnmud->iDelta;
1036     }
1037     return 0;
1038 }
1039
1040
1041 static LRESULT
1042 DATETIME_KeyDown (DATETIME_INFO *infoPtr, DWORD vkCode)
1043 {
1044     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
1045     int wrap = 0;
1046     int new;
1047
1048     if (!(infoPtr->haveFocus)) return 0;
1049     if ((fieldNum==0) && (infoPtr->select)) return 0;
1050
1051     if (infoPtr->select & FORMATCALLMASK) {
1052         FIXME ("Callbacks not implemented yet\n");
1053     }
1054
1055     switch (vkCode) {
1056         case VK_ADD:
1057         case VK_UP:
1058             infoPtr->nCharsEntered = 0;
1059             DATETIME_IncreaseField (infoPtr, fieldNum, 1);
1060             DATETIME_SendDateTimeChangeNotify (infoPtr);
1061             break;
1062         case VK_SUBTRACT:
1063         case VK_DOWN:
1064             infoPtr->nCharsEntered = 0;
1065             DATETIME_IncreaseField (infoPtr, fieldNum, -1);
1066             DATETIME_SendDateTimeChangeNotify (infoPtr);
1067             break;
1068         case VK_HOME:
1069             infoPtr->nCharsEntered = 0;
1070             DATETIME_IncreaseField (infoPtr, fieldNum, INT_MIN);
1071             DATETIME_SendDateTimeChangeNotify (infoPtr);
1072             break;
1073         case VK_END:
1074             infoPtr->nCharsEntered = 0;
1075             DATETIME_IncreaseField (infoPtr, fieldNum, INT_MAX);
1076             DATETIME_SendDateTimeChangeNotify (infoPtr);
1077             break;
1078         case VK_LEFT:
1079             new = infoPtr->select;
1080             do {
1081                 if (new == 0) {
1082                     new = new - 1;
1083                     wrap++;
1084                 } else {
1085                     new--;
1086                 }
1087             } while ((infoPtr->fieldspec[new] & DT_STRING) && (wrap<2));
1088             if (new != infoPtr->select)
1089                 DATETIME_SetSelectedField(infoPtr, new);
1090             break;
1091         case VK_RIGHT:
1092             new = infoPtr->select;
1093             do {
1094                 new++;
1095                 if (new==infoPtr->nrFields) {
1096                     new = 0;
1097                     wrap++;
1098                 }
1099             } while ((infoPtr->fieldspec[new] & DT_STRING) && (wrap<2));
1100             if (new != infoPtr->select)
1101                 DATETIME_SetSelectedField(infoPtr, new);
1102             break;
1103     }
1104
1105     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1106
1107     return 0;
1108 }
1109
1110
1111 static LRESULT
1112 DATETIME_Char (DATETIME_INFO *infoPtr, WPARAM vkCode)
1113 {
1114     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
1115
1116     if (vkCode >= '0' && vkCode <= '9') {
1117         int maxChars;
1118         int fieldSpec;
1119
1120         infoPtr->charsEntered[infoPtr->nCharsEntered++] = vkCode;
1121
1122         fieldSpec = infoPtr->fieldspec[fieldNum];
1123
1124         if (fieldSpec == INVALIDFULLYEAR || fieldSpec == FULLYEAR)
1125             maxChars = 4;
1126         else
1127             maxChars = 2;
1128
1129         if (maxChars == infoPtr->nCharsEntered)
1130             DATETIME_ApplySelectedField(infoPtr);
1131     }
1132     return 0;
1133 }
1134
1135
1136 static LRESULT
1137 DATETIME_VScroll (DATETIME_INFO *infoPtr, WORD wScroll)
1138 {
1139     int fieldNum = infoPtr->select & DTHT_DATEFIELD;
1140
1141     if ((SHORT)LOWORD(wScroll) != SB_THUMBPOSITION) return 0;
1142     if (!(infoPtr->haveFocus)) return 0;
1143     if ((fieldNum==0) && (infoPtr->select)) return 0;
1144
1145     if (infoPtr->pendingUpdown >= 0) {
1146         DATETIME_IncreaseField (infoPtr, fieldNum, 1);
1147         DATETIME_SendDateTimeChangeNotify (infoPtr);
1148     }
1149     else {
1150         DATETIME_IncreaseField (infoPtr, fieldNum, -1);
1151         DATETIME_SendDateTimeChangeNotify (infoPtr);
1152     }
1153
1154     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1155
1156     return 0;
1157 }
1158
1159
1160 static LRESULT
1161 DATETIME_KillFocus (DATETIME_INFO *infoPtr, HWND lostFocus)
1162 {
1163     TRACE("lost focus to %p\n", lostFocus);
1164
1165     if (infoPtr->haveFocus) {
1166         DATETIME_SendSimpleNotify (infoPtr, NM_KILLFOCUS);
1167         infoPtr->haveFocus = 0;
1168         DATETIME_SetSelectedField (infoPtr, -1);
1169     }
1170
1171     InvalidateRect (infoPtr->hwndSelf, NULL, TRUE);
1172
1173     return 0;
1174 }
1175
1176
1177 static LRESULT
1178 DATETIME_NCCreate (HWND hwnd, const CREATESTRUCTW *lpcs)
1179 {
1180     DWORD dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
1181     /* force control to have client edge */
1182     dwExStyle |= WS_EX_CLIENTEDGE;
1183     SetWindowLongW(hwnd, GWL_EXSTYLE, dwExStyle);
1184
1185     return DefWindowProcW(hwnd, WM_NCCREATE, 0, (LPARAM)lpcs);
1186 }
1187
1188
1189 static LRESULT
1190 DATETIME_SetFocus (DATETIME_INFO *infoPtr, HWND lostFocus)
1191 {
1192     TRACE("got focus from %p\n", lostFocus);
1193
1194     /* if monthcal is open and it loses focus, close monthcal */
1195     if (infoPtr->hMonthCal && (lostFocus == infoPtr->hMonthCal) &&
1196         IsWindowVisible(infoPtr->hMonthCal))
1197     {
1198         ShowWindow(infoPtr->hMonthCal, SW_HIDE);
1199         DATETIME_SendSimpleNotify(infoPtr, DTN_CLOSEUP);
1200         /* note: this get triggered even if monthcal loses focus to a dropdown
1201          * box click, which occurs without an intermediate WM_PAINT call
1202          */
1203         infoPtr->bDropdownEnabled = FALSE;
1204         return 0;
1205     }
1206
1207     if (infoPtr->haveFocus == 0) {
1208         DATETIME_SendSimpleNotify (infoPtr, NM_SETFOCUS);
1209         infoPtr->haveFocus = DTHT_GOTFOCUS;
1210     }
1211
1212     InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1213
1214     return 0;
1215 }
1216
1217
1218 static BOOL
1219 DATETIME_SendDateTimeChangeNotify (const DATETIME_INFO *infoPtr)
1220 {
1221     NMDATETIMECHANGE dtdtc;
1222
1223     dtdtc.nmhdr.hwndFrom = infoPtr->hwndSelf;
1224     dtdtc.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1225     dtdtc.nmhdr.code     = DTN_DATETIMECHANGE;
1226
1227     dtdtc.dwFlags = infoPtr->dateValid ? GDT_VALID : GDT_NONE;
1228
1229     dtdtc.st = infoPtr->date;
1230     return (BOOL) SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
1231                                 dtdtc.nmhdr.idFrom, (LPARAM)&dtdtc);
1232 }
1233
1234
1235 static BOOL
1236 DATETIME_SendSimpleNotify (const DATETIME_INFO *infoPtr, UINT code)
1237 {
1238     NMHDR nmhdr;
1239
1240     TRACE("%x\n", code);
1241     nmhdr.hwndFrom = infoPtr->hwndSelf;
1242     nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
1243     nmhdr.code     = code;
1244
1245     return (BOOL) SendMessageW (infoPtr->hwndNotify, WM_NOTIFY,
1246                                 nmhdr.idFrom, (LPARAM)&nmhdr);
1247 }
1248
1249 static LRESULT
1250 DATETIME_Size (DATETIME_INFO *infoPtr, INT width, INT height)
1251 {
1252     /* set size */
1253     infoPtr->rcClient.bottom = height;
1254     infoPtr->rcClient.right = width;
1255
1256     TRACE("Height=%d, Width=%d\n", infoPtr->rcClient.bottom, infoPtr->rcClient.right);
1257
1258     infoPtr->rcDraw = infoPtr->rcClient;
1259
1260     if (infoPtr->dwStyle & DTS_UPDOWN) {
1261         SetWindowPos(infoPtr->hUpdown, NULL,
1262             infoPtr->rcClient.right-14, 0,
1263             15, infoPtr->rcClient.bottom - infoPtr->rcClient.top,
1264             SWP_NOACTIVATE | SWP_NOZORDER);
1265     }
1266     else {
1267         /* set the size of the button that drops the calendar down */
1268         /* FIXME: account for style that allows button on left side */
1269         infoPtr->calbutton.top   = infoPtr->rcDraw.top;
1270         infoPtr->calbutton.bottom= infoPtr->rcDraw.bottom;
1271         infoPtr->calbutton.left  = infoPtr->rcDraw.right-15;
1272         infoPtr->calbutton.right = infoPtr->rcDraw.right;
1273     }
1274
1275     /* set enable/disable button size for show none style being enabled */
1276     /* FIXME: these dimensions are completely incorrect */
1277     infoPtr->checkbox.top = infoPtr->rcDraw.top;
1278     infoPtr->checkbox.bottom = infoPtr->rcDraw.bottom;
1279     infoPtr->checkbox.left = infoPtr->rcDraw.left;
1280     infoPtr->checkbox.right = infoPtr->rcDraw.left + 10;
1281
1282     InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
1283
1284     return 0;
1285 }
1286
1287 static LRESULT
1288 DATETIME_StyleChanging(DATETIME_INFO *infoPtr, WPARAM wStyleType, STYLESTRUCT *lpss)
1289 {
1290     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1291           wStyleType, lpss->styleOld, lpss->styleNew);
1292
1293     /* block DTS_SHOWNONE change */
1294     if ((lpss->styleNew ^ lpss->styleOld) & DTS_SHOWNONE)
1295     {
1296         if (lpss->styleOld & DTS_SHOWNONE)
1297             lpss->styleNew |= DTS_SHOWNONE;
1298         else
1299             lpss->styleNew &= ~DTS_SHOWNONE;
1300     }
1301
1302     return 0;
1303 }
1304
1305 static LRESULT
1306 DATETIME_StyleChanged(DATETIME_INFO *infoPtr, WPARAM wStyleType, const STYLESTRUCT *lpss)
1307 {
1308     TRACE("(styletype=%lx, styleOld=0x%08x, styleNew=0x%08x)\n",
1309           wStyleType, lpss->styleOld, lpss->styleNew);
1310
1311     if (wStyleType != GWL_STYLE) return 0;
1312
1313     infoPtr->dwStyle = lpss->styleNew;
1314
1315     if ( !(lpss->styleOld & DTS_SHOWNONE) && (lpss->styleNew & DTS_SHOWNONE) ) {
1316         infoPtr->hwndCheckbut = CreateWindowExW (0, WC_BUTTONW, 0, WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX,
1317                                                  2, 2, 13, 13, infoPtr->hwndSelf, 0,
1318                                                 (HINSTANCE)GetWindowLongPtrW (infoPtr->hwndSelf, GWLP_HINSTANCE), 0);
1319         SendMessageW (infoPtr->hwndCheckbut, BM_SETCHECK, 1, 0);
1320     }
1321     if ( (lpss->styleOld & DTS_SHOWNONE) && !(lpss->styleNew & DTS_SHOWNONE) ) {
1322         DestroyWindow(infoPtr->hwndCheckbut);
1323         infoPtr->hwndCheckbut = 0;
1324     }
1325     if ( !(lpss->styleOld & DTS_UPDOWN) && (lpss->styleNew & DTS_UPDOWN) ) {
1326         infoPtr->hUpdown = CreateUpDownControl (WS_CHILD | WS_BORDER | WS_VISIBLE, 120, 1, 20, 20,
1327                                                 infoPtr->hwndSelf, 1, 0, 0, UD_MAXVAL, UD_MINVAL, 0);
1328     }
1329     if ( (lpss->styleOld & DTS_UPDOWN) && !(lpss->styleNew & DTS_UPDOWN) ) {
1330         DestroyWindow(infoPtr->hUpdown);
1331         infoPtr->hUpdown = 0;
1332     }
1333
1334     InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1335     return 0;
1336 }
1337
1338
1339 static LRESULT
1340 DATETIME_SetFont (DATETIME_INFO *infoPtr, HFONT font, BOOL repaint)
1341 {
1342     infoPtr->hFont = font;
1343     if (repaint) InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
1344     return 0;
1345 }
1346
1347
1348 static LRESULT
1349 DATETIME_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
1350 {
1351     DATETIME_INFO *infoPtr = Alloc (sizeof(DATETIME_INFO));
1352     STYLESTRUCT ss = { 0, lpcs->style };
1353
1354     if (!infoPtr) return -1;
1355
1356     infoPtr->hwndSelf = hwnd;
1357     infoPtr->dwStyle = lpcs->style;
1358
1359     infoPtr->nrFieldsAllocated = 32;
1360     infoPtr->fieldspec = Alloc (infoPtr->nrFieldsAllocated * sizeof(int));
1361     infoPtr->fieldRect = Alloc (infoPtr->nrFieldsAllocated * sizeof(RECT));
1362     infoPtr->buflen = Alloc (infoPtr->nrFieldsAllocated * sizeof(int));
1363     infoPtr->hwndNotify = lpcs->hwndParent;
1364     infoPtr->select = -1; /* initially, nothing is selected */
1365     infoPtr->bDropdownEnabled = TRUE;
1366
1367     DATETIME_StyleChanged(infoPtr, GWL_STYLE, &ss);
1368     DATETIME_SetFormatW (infoPtr, 0);
1369
1370     /* create the monthcal control */
1371     infoPtr->hMonthCal = CreateWindowExW (0, MONTHCAL_CLASSW, 0, WS_BORDER | WS_POPUP | WS_CLIPSIBLINGS,
1372                                           0, 0, 0, 0, infoPtr->hwndSelf, 0, 0, 0);
1373
1374     /* initialize info structure */
1375     GetLocalTime (&infoPtr->date);
1376     infoPtr->dateValid = TRUE;
1377     infoPtr->hFont = GetStockObject(DEFAULT_GUI_FONT);
1378
1379     SetWindowLongPtrW (hwnd, 0, (DWORD_PTR)infoPtr);
1380
1381     return 0;
1382 }
1383
1384
1385
1386 static LRESULT
1387 DATETIME_Destroy (DATETIME_INFO *infoPtr)
1388 {
1389     if (infoPtr->hwndCheckbut)
1390         DestroyWindow(infoPtr->hwndCheckbut);
1391     if (infoPtr->hUpdown)
1392         DestroyWindow(infoPtr->hUpdown);
1393     if (infoPtr->hMonthCal)
1394         DestroyWindow(infoPtr->hMonthCal);
1395     SetWindowLongPtrW( infoPtr->hwndSelf, 0, 0 ); /* clear infoPtr */
1396     Free (infoPtr->buflen);
1397     Free (infoPtr->fieldRect);
1398     Free (infoPtr->fieldspec);
1399     Free (infoPtr);
1400     return 0;
1401 }
1402
1403
1404 static INT
1405 DATETIME_GetText (const DATETIME_INFO *infoPtr, INT count, LPWSTR dst)
1406 {
1407     WCHAR buf[80];
1408     int i;
1409
1410     if (!dst || (count <= 0)) return 0;
1411
1412     dst[0] = 0;
1413     for (i = 0; i < infoPtr->nrFields; i++)
1414     {
1415         DATETIME_ReturnTxt(infoPtr, i, buf, sizeof(buf)/sizeof(buf[0]));
1416         if ((strlenW(dst) + strlenW(buf)) < count)
1417             strcatW(dst, buf);
1418         else break;
1419     }
1420     return strlenW(dst);
1421 }
1422
1423
1424 static LRESULT WINAPI
1425 DATETIME_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1426 {
1427     DATETIME_INFO *infoPtr = ((DATETIME_INFO *)GetWindowLongPtrW (hwnd, 0));
1428     LRESULT ret;
1429
1430     TRACE ("%x, %lx, %lx\n", uMsg, wParam, lParam);
1431
1432     if (!infoPtr && (uMsg != WM_CREATE) && (uMsg != WM_NCCREATE))
1433         return DefWindowProcW( hwnd, uMsg, wParam, lParam );
1434
1435     switch (uMsg) {
1436
1437     case DTM_GETSYSTEMTIME:
1438         return DATETIME_GetSystemTime (infoPtr, (SYSTEMTIME *) lParam);
1439
1440     case DTM_SETSYSTEMTIME:
1441         return DATETIME_SetSystemTime (infoPtr, wParam, (SYSTEMTIME *) lParam);
1442
1443     case DTM_GETRANGE:
1444         ret = SendMessageW (infoPtr->hMonthCal, MCM_GETRANGE, wParam, lParam);
1445         return ret ? ret : 1; /* bug emulation */
1446
1447     case DTM_SETRANGE:
1448         return SendMessageW (infoPtr->hMonthCal, MCM_SETRANGE, wParam, lParam);
1449
1450     case DTM_SETFORMATA:
1451         return DATETIME_SetFormatA (infoPtr, (LPCSTR)lParam);
1452
1453     case DTM_SETFORMATW:
1454         return DATETIME_SetFormatW (infoPtr, (LPCWSTR)lParam);
1455
1456     case DTM_GETMONTHCAL:
1457         return (LRESULT)infoPtr->hMonthCal;
1458
1459     case DTM_SETMCCOLOR:
1460         return SendMessageW (infoPtr->hMonthCal, MCM_SETCOLOR, wParam, lParam);
1461
1462     case DTM_GETMCCOLOR:
1463         return SendMessageW (infoPtr->hMonthCal, MCM_GETCOLOR, wParam, 0);
1464
1465     case DTM_SETMCFONT:
1466         return SendMessageW (infoPtr->hMonthCal, WM_SETFONT, wParam, lParam);
1467
1468     case DTM_GETMCFONT:
1469         return SendMessageW (infoPtr->hMonthCal, WM_GETFONT, wParam, lParam);
1470
1471     case WM_NOTIFY:
1472         return DATETIME_Notify (infoPtr, (LPNMHDR)lParam);
1473
1474     case WM_ENABLE:
1475         return DATETIME_Enable (infoPtr, (BOOL)wParam);
1476
1477     case WM_ERASEBKGND:
1478         return DATETIME_EraseBackground (infoPtr, (HDC)wParam);
1479
1480     case WM_GETDLGCODE:
1481         return DLGC_WANTARROWS | DLGC_WANTCHARS;
1482
1483     case WM_PRINTCLIENT:
1484     case WM_PAINT:
1485         return DATETIME_Paint (infoPtr, (HDC)wParam);
1486
1487     case WM_KEYDOWN:
1488         return DATETIME_KeyDown (infoPtr, wParam);
1489
1490     case WM_CHAR:
1491         return DATETIME_Char (infoPtr, wParam);
1492
1493     case WM_KILLFOCUS:
1494         return DATETIME_KillFocus (infoPtr, (HWND)wParam);
1495
1496     case WM_NCCREATE:
1497         return DATETIME_NCCreate (hwnd, (LPCREATESTRUCTW)lParam);
1498
1499     case WM_SETFOCUS:
1500         return DATETIME_SetFocus (infoPtr, (HWND)wParam);
1501
1502     case WM_SIZE:
1503         return DATETIME_Size (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1504
1505     case WM_LBUTTONDOWN:
1506         return DATETIME_LButtonDown (infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
1507
1508     case WM_LBUTTONUP:
1509         return DATETIME_LButtonUp (infoPtr);
1510
1511     case WM_VSCROLL:
1512         return DATETIME_VScroll (infoPtr, (WORD)wParam);
1513
1514     case WM_CREATE:
1515         return DATETIME_Create (hwnd, (LPCREATESTRUCTW)lParam);
1516
1517     case WM_DESTROY:
1518         return DATETIME_Destroy (infoPtr);
1519
1520     case WM_COMMAND:
1521         return DATETIME_Command (infoPtr, wParam, lParam);
1522
1523     case WM_STYLECHANGING:
1524         return DATETIME_StyleChanging(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
1525
1526     case WM_STYLECHANGED:
1527         return DATETIME_StyleChanged(infoPtr, wParam, (LPSTYLESTRUCT)lParam);
1528
1529     case WM_SETFONT:
1530         return DATETIME_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
1531
1532     case WM_GETFONT:
1533         return (LRESULT) infoPtr->hFont;
1534
1535     case WM_GETTEXT:
1536         return (LRESULT) DATETIME_GetText(infoPtr, wParam, (LPWSTR)lParam);
1537
1538     case WM_SETTEXT:
1539         return CB_ERR;
1540
1541     default:
1542         if ((uMsg >= WM_USER) && (uMsg < WM_APP) && !COMCTL32_IsReflectedMessage(uMsg))
1543                 ERR("unknown msg %04x wp=%08lx lp=%08lx\n",
1544                      uMsg, wParam, lParam);
1545         return DefWindowProcW (hwnd, uMsg, wParam, lParam);
1546     }
1547 }
1548
1549
1550 void
1551 DATETIME_Register (void)
1552 {
1553     WNDCLASSW wndClass;
1554
1555     ZeroMemory (&wndClass, sizeof(WNDCLASSW));
1556     wndClass.style         = CS_GLOBALCLASS;
1557     wndClass.lpfnWndProc   = DATETIME_WindowProc;
1558     wndClass.cbClsExtra    = 0;
1559     wndClass.cbWndExtra    = sizeof(DATETIME_INFO *);
1560     wndClass.hCursor       = LoadCursorW (0, (LPCWSTR)IDC_ARROW);
1561     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
1562     wndClass.lpszClassName = DATETIMEPICK_CLASSW;
1563
1564     RegisterClassW (&wndClass);
1565 }
1566
1567
1568 void
1569 DATETIME_Unregister (void)
1570 {
1571     UnregisterClassW (DATETIMEPICK_CLASSW, NULL);
1572 }