git.oblomov.eu Git - wine/blob - 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  * TODO:
  23  *   - All messages.
  24  *   - All notifications.
  25  *
  26  */
  27
  28 #include <math.h>
  29 #include <string.h>
  30 #include <stdio.h>
  31
  32 #include "winbase.h"
  33 #include "wingdi.h"
  34 #include "commctrl.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(datetime);
  38
  39 typedef struct
  40 {
  41         HWND hMonthCal;
  42         HWND hUpdown;
  43         SYSTEMTIME date;
  44         BOOL dateValid;
  45         HWND hwndCheckbut;
  46         RECT rcClient; /* rect around the edge of the window */
  47         RECT rcDraw; /* rect inside of the border */
  48         RECT checkbox;  /* checkbox allowing the control to be enabled/disabled */
  49         RECT calbutton; /* button that toggles the dropdown of the monthcal control */
  50         BOOL bCalDepressed; /* TRUE = cal button is depressed */
  51         int  select;
  52         HFONT hFont;
  53         int nrFieldsAllocated;
  54         int nrFields;
  55         int haveFocus;
  56         int *fieldspec;
  57         RECT *fieldRect;
  58         int  *buflen;
  59         char textbuf[256];
  60         POINT monthcal_pos;
  61 } DATETIME_INFO, *LPDATETIME_INFO;
  62
  63 /* in monthcal.c */
  64 extern int MONTHCAL_MonthLength(int month, int year);
  65
  66 /* this list of defines is closely related to `allowedformatchars' defined
  67  * in datetime.c; the high nibble indicates the `base type' of the format
  68  * specifier.
  69  * Do not change without first reading DATETIME_UseFormat.
  70  *
  71  */
  72
  73 #define DT_END_FORMAT      0
  74 #define ONEDIGITDAY     0x01
  75 #define TWODIGITDAY     0x02
  76 #define THREECHARDAY    0x03
  77 #define FULLDAY         0x04
  78 #define ONEDIGIT12HOUR  0x11
  79 #define TWODIGIT12HOUR  0x12
  80 #define ONEDIGIT24HOUR  0x21
  81 #define TWODIGIT24HOUR  0x22
  82 #define ONEDIGITMINUTE  0x31
  83 #define TWODIGITMINUTE  0x32
  84 #define ONEDIGITMONTH   0x41
  85 #define TWODIGITMONTH   0x42
  86 #define THREECHARMONTH  0x43
  87 #define FULLMONTH       0x44
  88 #define ONEDIGITSECOND  0x51
  89 #define TWODIGITSECOND  0x52
  90 #define ONELETTERAMPM   0x61
  91 #define TWOLETTERAMPM   0x62
  92 #define ONEDIGITYEAR    0x71
  93 #define TWODIGITYEAR    0x72
  94 #define FULLYEAR        0x73
  95 #define FORMATCALLBACK  0x81      /* -> maximum of 0x80 callbacks possible */
  96 #define FORMATCALLMASK  0x80
  97 #define DT_STRING       0x0100
  98
  99 #define DTHT_DATEFIELD  0xff      /* for hit-testing */
 100
 101 #define DTHT_NONE     0
 102 #define DTHT_CHECKBOX 0x200     /* these should end at '00' , to make */
 103 #define DTHT_MCPOPUP  0x300     /* & DTHT_DATEFIELD 0 when DATETIME_KeyDown */
 104 #define DTHT_GOTFOCUS 0x400     /* tests for date-fields */
 105
 106 #define DATETIME_GetInfoPtr(hwnd) ((DATETIME_INFO *)GetWindowLongA (hwnd, 0))
 107
 108 static BOOL DATETIME_SendSimpleNotify (HWND hwnd, UINT code);
 109 static BOOL DATETIME_SendDateTimeChangeNotify (HWND hwnd);
 110 extern void MONTHCAL_CopyTime(const SYSTEMTIME *from, SYSTEMTIME *to);
 111 static const char *allowedformatchars = {"dhHmMstyX'"};
 112 static const int maxrepetition [] = {4,2,2,2,4,2,2,3,-1,-1};
 113
 114
 115 static LRESULT
 116 DATETIME_GetSystemTime (HWND hwnd, WPARAM wParam, LPARAM lParam )
 117 {
 118   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 119   DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
 120   SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *) lParam;
 121
 122   TRACE("%04x %08lx\n",wParam,lParam);
 123   if (!lParam) return GDT_NONE;
 124
 125   if ((dwStyle & DTS_SHOWNONE) &&
 126        (SendMessageA (infoPtr->hwndCheckbut, BM_GETCHECK, 0, 0)))
 127         return GDT_NONE;
 128
 129   MONTHCAL_CopyTime (&infoPtr->date, lprgSysTimeArray);
 130
 131   return GDT_VALID;
 132 }
 133
 134
 135 static LRESULT
 136 DATETIME_SetSystemTime (HWND hwnd, WPARAM wParam, LPARAM lParam )
 137 {
 138   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 139   SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *) lParam;
 140
 141   TRACE("%04x %08lx\n",wParam,lParam);
 142   if (!lParam) return 0;
 143
 144   if (lParam==GDT_VALID)
 145         MONTHCAL_CopyTime (lprgSysTimeArray, &infoPtr->date);
 146   if (lParam==GDT_NONE) {
 147         infoPtr->dateValid=FALSE;
 148     SendMessageA (infoPtr->hwndCheckbut, BM_SETCHECK, 0, 0);
 149         }
 150   return 1;
 151 }
 152
 153
 154 static LRESULT
 155 DATETIME_GetRange (HWND hwnd, LPARAM lParam )
 156 {
 157   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 158   LRESULT ret;
 159
 160   TRACE("%08lx\n", lParam);
 161   ret =  SendMessageA (infoPtr->hMonthCal, MCM_GETRANGE, 0, lParam);
 162   if (!ret) ret = 1; /* bug emulation... */
 163   return ret;
 164 }
 165
 166 static LRESULT
 167 DATETIME_SetRange (HWND hwnd, WPARAM wParam, LPARAM lParam )
 168 {
 169   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 170
 171   TRACE("%04x %08lx\n",wParam,lParam);
 172
 173   return SendMessageA (infoPtr->hMonthCal, MCM_SETRANGE, wParam, lParam);
 174 }
 175
 176 static LRESULT
 177 DATETIME_GetMonthCalColor (HWND hwnd, WPARAM wParam)
 178 {
 179   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 180
 181   TRACE("%04x\n",wParam);
 182   return SendMessageA (infoPtr->hMonthCal, MCM_GETCOLOR, wParam, 0);
 183 }
 184
 185
 186 static LRESULT
 187 DATETIME_SetMonthCalColor (HWND hwnd, WPARAM wParam, LPARAM lParam)
 188 {
 189   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 190
 191   TRACE("%04x %08lx\n",wParam,lParam);
 192   return SendMessageA (infoPtr->hMonthCal, MCM_SETCOLOR, wParam, lParam);
 193 }
 194
 195
 196 /* FIXME: need to get way to force font into monthcal structure */
 197 static LRESULT
 198 DATETIME_GetMonthCal (HWND hwnd)
 199 {
 200   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 201
 202   TRACE("\n");
 203   return infoPtr->hMonthCal;
 204 }
 205
 206
 207
 208 /* FIXME: need to get way to force font into monthcal structure */
 209
 210 static LRESULT
 211 DATETIME_GetMonthCalFont (HWND hwnd)
 212 {
 213
 214   TRACE("\n");
 215   return 0;
 216 }
 217
 218
 219 static LRESULT
 220 DATETIME_SetMonthCalFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
 221 {
 222
 223   TRACE("%04x %08lx\n",wParam,lParam);
 224   return 0;
 225 }
 226
 227
 228 /*
 229    Split up a formattxt in actions.
 230    See ms documentation for the meaning of the letter codes/'specifiers'.
 231
 232    Notes:
 233    *'dddddd' is handled as 'dddd' plus 'dd'.
 234    *unrecognized formats are strings (here given the type DT_STRING;
 235    start of the string is encoded in lower bits of DT_STRING.
 236    Therefore, 'string' ends finally up as '<show seconds>tring'.
 237
 238  */
 239
 240
 241 static void
 242 DATETIME_UseFormat (DATETIME_INFO *infoPtr, const char *formattxt)
 243 {
 244  int i,j,k,len;
 245  int *nrFields=& infoPtr->nrFields;
 246
 247  TRACE ("%s\n",formattxt);
 248
 249
 250  *nrFields=0;
 251  infoPtr->fieldspec[*nrFields]=0;
 252  len=strlen(allowedformatchars);
 253  k=0;
 254
 255  for (i=0; i<strlen (formattxt); i++)  {
 256         TRACE ("\n%d %c:",i, formattxt[i]);
 257         for (j=0; j<len; j++) {
 258                 if (allowedformatchars[j]==formattxt[i]) {
 259                         TRACE ("%c[%d,%x]",allowedformatchars[j], *nrFields,
 260                                                          infoPtr->fieldspec[*nrFields]);
 261                         if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 262                                 infoPtr->fieldspec[*nrFields]=(j<<4) +1;
 263                                 break;
 264                         }
 265                         if (infoPtr->fieldspec[*nrFields]>>4!=j) {
 266                                 (*nrFields)++;
 267                                 infoPtr->fieldspec[*nrFields]=(j<<4) +1;
 268                                 break;
 269                         }
 270                         if ((infoPtr->fieldspec[*nrFields] & 0x0f)==maxrepetition[j]) {
 271                                 (*nrFields)++;
 272                                 infoPtr->fieldspec[*nrFields]=(j<<4) +1;
 273                                 break;
 274                         }
 275                         infoPtr->fieldspec[*nrFields]++;
 276                         break;
 277                 }   /* if allowedformatchar */
 278          } /* for j */
 279
 280
 281                         /* char is not a specifier: handle char like a string */
 282         if (j==len) {
 283                 if ((*nrFields==0) && (infoPtr->fieldspec[*nrFields]==0)) {
 284                         infoPtr->fieldspec[*nrFields]=DT_STRING+k;
 285                         infoPtr->buflen[*nrFields]=0;
 286         } else
 287                 if ((infoPtr->fieldspec[*nrFields] & DT_STRING)!=DT_STRING)  {
 288                         (*nrFields)++;
 289                         infoPtr->fieldspec[*nrFields]=DT_STRING+k;
 290                         infoPtr->buflen[*nrFields]=0;
 291                 }
 292                 infoPtr->textbuf[k]=formattxt[i];
 293                 k++;
 294                 infoPtr->buflen[*nrFields]++;
 295         }   /* if j=len */
 296
 297         if (*nrFields==infoPtr->nrFieldsAllocated) {
 298                 FIXME ("out of memory; should reallocate. crash ahead.\n");
 299         }
 300
 301   } /* for i */
 302
 303   TRACE("\n");
 304
 305   if (infoPtr->fieldspec[*nrFields]!=0) (*nrFields)++;
 306 }
 307
 308
 309 static LRESULT
 310 DATETIME_SetFormat (HWND hwnd, WPARAM wParam, LPARAM lParam)
 311 {
 312  DATETIME_INFO *infoPtr= DATETIME_GetInfoPtr (hwnd);
 313  char format_buf[80];
 314  DWORD format_item;
 315
 316  TRACE("%04x %08lx\n",wParam,lParam);
 317  if (!lParam) {
 318         DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
 319
 320         if (dwStyle & DTS_LONGDATEFORMAT)
 321                 format_item=LOCALE_SLONGDATE;
 322         else if (dwStyle & DTS_TIMEFORMAT)
 323                 format_item=LOCALE_STIMEFORMAT;
 324         else /* DTS_SHORTDATEFORMAT */
 325                 format_item=LOCALE_SSHORTDATE;
 326         GetLocaleInfoA( GetSystemDefaultLCID(), format_item,format_buf,sizeof(format_buf));
 327         DATETIME_UseFormat (infoPtr, format_buf);
 328  }
 329  else
 330         DATETIME_UseFormat (infoPtr, (char *) lParam);
 331
 332  return infoPtr->nrFields;
 333 }
 334
 335
 336 static LRESULT
 337 DATETIME_SetFormatW (HWND hwnd, WPARAM wParam, LPARAM lParam)
 338
 339 {
 340  TRACE("%04x %08lx\n",wParam,lParam);
 341  if (lParam) {
 342         LPSTR buf;
 343         int retval;
 344         int len = WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, NULL, 0, NULL, NULL );
 345
 346         buf = (LPSTR) COMCTL32_Alloc (len);
 347         WideCharToMultiByte( CP_ACP, 0, (LPWSTR)lParam, -1, buf, len, NULL, NULL );
 348         retval=DATETIME_SetFormat (hwnd, 0, (LPARAM) buf);
 349         COMCTL32_Free (buf);
 350         return retval;
 351  }
 352  else
 353         return DATETIME_SetFormat (hwnd, 0, 0);
 354
 355 }
 356
 357
 358 static void
 359 DATETIME_ReturnTxt (DATETIME_INFO *infoPtr, int count, char *result)
 360 {
 361  SYSTEMTIME date = infoPtr->date;
 362  int spec;
 363  char buffer[80];
 364
 365  *result=0;
 366  TRACE ("%d,%d\n", infoPtr->nrFields, count);
 367  if ((count>infoPtr->nrFields) || (count<0)) {
 368         WARN ("buffer overrun, have %d want %d\n", infoPtr->nrFields, count);
 369         return;
 370  }
 371
 372  if (!infoPtr->fieldspec) return;
 373
 374  spec=infoPtr->fieldspec[count];
 375  if (spec & DT_STRING) {
 376         int txtlen=infoPtr->buflen[count];
 377
 378         strncpy (result, infoPtr->textbuf + (spec &~ DT_STRING), txtlen);
 379         result[txtlen]=0;
 380         TRACE ("arg%d=%x->[%s]\n",count,infoPtr->fieldspec[count],result);
 381         return;
 382  }
 383
 384
 385  switch (spec) {
 386         case DT_END_FORMAT:
 387                 *result=0;
 388                 break;
 389         case ONEDIGITDAY:
 390                 sprintf (result,"%d",date.wDay);
 391                 break;
 392         case TWODIGITDAY:
 393                 sprintf (result,"%.2d",date.wDay);
 394                 break;
 395         case THREECHARDAY:
 396                 GetLocaleInfoA( LOCALE_USER_DEFAULT, LOCALE_SABBREVDAYNAME1+(date.wDayOfWeek+6)%7,
 397                                 result,4);
 398                 /*sprintf (result,"%.3s",days[date.wDayOfWeek]);*/
 399                 break;
 400         case FULLDAY:
 401                 GetLocaleInfoA( LOCALE_USER_DEFAULT,LOCALE_SDAYNAME1+ (date.wDayOfWeek+6)%7,
 402                                 buffer,sizeof(buffer));
 403                 strcpy  (result,buffer);
 404                 break;
 405         case ONEDIGIT12HOUR:
 406                 if (date.wHour>12)
 407                         sprintf (result,"%d",date.wHour-12);
 408                 else
 409                         sprintf (result,"%d",date.wHour);
 410                 break;
 411         case TWODIGIT12HOUR:
 412                 if (date.wHour>12)
 413                         sprintf (result,"%.2d",date.wHour-12);
 414                 else
 415                         sprintf (result,"%.2d",date.wHour);
 416                 break;
 417         case ONEDIGIT24HOUR:
 418                 sprintf (result,"%d",date.wHour);
 419                 break;
 420         case TWODIGIT24HOUR:
 421                 sprintf (result,"%.2d",date.wHour);
 422                 break;
 423         case ONEDIGITSECOND:
 424                 sprintf (result,"%d",date.wSecond);
 425                 break;
 426         case TWODIGITSECOND:
 427                 sprintf (result,"%.2d",date.wSecond);
 428                 break;
 429         case ONEDIGITMINUTE:
 430                 sprintf (result,"%d",date.wMinute);
 431                 break;
 432         case TWODIGITMINUTE:
 433                 sprintf (result,"%.2d",date.wMinute);
 434                 break;
 435         case ONEDIGITMONTH:
 436                 sprintf (result,"%d",date.wMonth);
 437                 break;
 438         case TWODIGITMONTH:
 439                 sprintf (result,"%.2d",date.wMonth);
 440                 break;
 441         case THREECHARMONTH:
 442                 GetLocaleInfoA( GetSystemDefaultLCID(),LOCALE_SMONTHNAME1+date.wMonth -1,
 443                   buffer,sizeof(buffer));
 444                 sprintf (result,"%.3s",buffer);
 445                 break;
 446         case FULLMONTH:
 447                 GetLocaleInfoA( GetSystemDefaultLCID(),LOCALE_SMONTHNAME1+date.wMonth -1,
 448                   result,sizeof(result));
 449                 break;
 450         case ONELETTERAMPM:
 451                 if (date.wHour<12)
 452                         strcpy (result,"A");
 453                 else
 454                         strcpy (result,"P");
 455                 break;
 456         case TWOLETTERAMPM:
 457                 if (date.wHour<12)
 458                         strcpy (result,"AM");
 459                 else
 460                         strcpy (result,"PM");
 461                 break;
 462         case FORMATCALLBACK:
 463                 FIXME ("Not implemented\n");
 464                 strcpy (result,"xxx");
 465                 break;
 466         case ONEDIGITYEAR:
 467                 sprintf (result,"%d",date.wYear-10* (int) floor(date.wYear/10));
 468                 break;
 469         case TWODIGITYEAR:
 470                 sprintf (result,"%.2d",date.wYear-100* (int) floor(date.wYear/100));
 471                 break;
 472         case FULLYEAR:
 473                 sprintf (result,"%d",date.wYear);
 474                 break;
 475     }
 476
 477         TRACE ("arg%d=%x->[%s]\n",count,infoPtr->fieldspec[count],result);
 478 }
 479
 480
 481 static void
 482 DATETIME_IncreaseField (DATETIME_INFO *infoPtr, int number)
 483 {
 484  SYSTEMTIME *date = &infoPtr->date;
 485  int spec;
 486
 487  TRACE ("%d\n",number);
 488  if ((number>infoPtr->nrFields) || (number<0)) return;
 489
 490  spec=infoPtr->fieldspec[number];
 491  if ((spec & DTHT_DATEFIELD)==0) return;
 492
 493  switch (spec) {
 494         case ONEDIGITDAY:
 495         case TWODIGITDAY:
 496         case THREECHARDAY:
 497         case FULLDAY:
 498                 date->wDay++;
 499                 if (date->wDay>MONTHCAL_MonthLength(date->wMonth,date->wYear))
 500                   date->wDay=1;
 501                 break;
 502         case ONEDIGIT12HOUR:
 503         case TWODIGIT12HOUR:
 504         case ONEDIGIT24HOUR:
 505         case TWODIGIT24HOUR:
 506                 date->wHour++;
 507                 if (date->wHour>23) date->wHour=0;
 508                 break;
 509         case ONEDIGITSECOND:
 510         case TWODIGITSECOND:
 511                 date->wSecond++;
 512                 if (date->wSecond>59) date->wSecond=0;
 513                 break;
 514         case ONEDIGITMINUTE:
 515         case TWODIGITMINUTE:
 516                 date->wMinute++;
 517                 if (date->wMinute>59) date->wMinute=0;
 518                 break;
 519         case ONEDIGITMONTH:
 520         case TWODIGITMONTH:
 521         case THREECHARMONTH:
 522         case FULLMONTH:
 523                 date->wMonth++;
 524                 if (date->wMonth>12) date->wMonth=1;
 525                 if (date->wDay>MONTHCAL_MonthLength(date->wMonth,date->wYear))
 526                         date->wDay=MONTHCAL_MonthLength(date->wMonth,date->wYear);
 527                 break;
 528         case ONELETTERAMPM:
 529         case TWOLETTERAMPM:
 530                 date->wHour+=12;
 531                 if (date->wHour>23) date->wHour-=24;
 532                 break;
 533         case FORMATCALLBACK:
 534                 FIXME ("Not implemented\n");
 535                 break;
 536         case ONEDIGITYEAR:
 537         case TWODIGITYEAR:
 538         case FULLYEAR:
 539                 date->wYear++;
 540                 break;
 541         }
 542
 543 }
 544
 545
 546 static void
 547 DATETIME_DecreaseField (DATETIME_INFO *infoPtr, int number)
 548 {
 549  SYSTEMTIME *date = & infoPtr->date;
 550  int spec;
 551
 552  TRACE ("%d\n",number);
 553  if ((number>infoPtr->nrFields) || (number<0)) return;
 554
 555  spec = infoPtr->fieldspec[number];
 556  if ((spec & DTHT_DATEFIELD)==0) return;
 557
 558  TRACE ("%x\n",spec);
 559
 560  switch (spec) {
 561         case ONEDIGITDAY:
 562         case TWODIGITDAY:
 563         case THREECHARDAY:
 564         case FULLDAY:
 565                 date->wDay--;
 566                 if (date->wDay<1)
 567                   date->wDay=MONTHCAL_MonthLength(date->wMonth,date->wYear);
 568                 break;
 569         case ONEDIGIT12HOUR:
 570         case TWODIGIT12HOUR:
 571         case ONEDIGIT24HOUR:
 572         case TWODIGIT24HOUR:
 573                 if (date->wHour)
 574                         date->wHour--;
 575                 else
 576                         date->wHour=23;
 577                 break;
 578         case ONEDIGITSECOND:
 579         case TWODIGITSECOND:
 580                 if (date->wHour)
 581                         date->wSecond--;
 582                 else
 583                         date->wHour=59;
 584                 break;
 585         case ONEDIGITMINUTE:
 586         case TWODIGITMINUTE:
 587                 if (date->wMinute)
 588                         date->wMinute--;
 589                 else
 590                         date->wMinute=59;
 591                 break;
 592         case ONEDIGITMONTH:
 593         case TWODIGITMONTH:
 594         case THREECHARMONTH:
 595         case FULLMONTH:
 596                 if (date->wMonth>1)
 597                         date->wMonth--;
 598                 else
 599                         date->wMonth=12;
 600                 if (date->wDay>MONTHCAL_MonthLength(date->wMonth,date->wYear))
 601                         date->wDay=MONTHCAL_MonthLength(date->wMonth,date->wYear);
 602                 break;
 603         case ONELETTERAMPM:
 604         case TWOLETTERAMPM:
 605                 if (date->wHour<12)
 606                         date->wHour+=12;
 607                 else
 608                         date->wHour-=12;
 609                 break;
 610         case FORMATCALLBACK:
 611                 FIXME ("Not implemented\n");
 612                 break;
 613         case ONEDIGITYEAR:
 614         case TWODIGITYEAR:
 615         case FULLYEAR:
 616                 date->wYear--;
 617                 break;
 618         }
 619
 620 }
 621
 622
 623 static void
 624 DATETIME_ResetFieldDown (DATETIME_INFO *infoPtr, int number)
 625 {
 626  SYSTEMTIME *date = &infoPtr->date;
 627  int spec;
 628
 629  TRACE ("%d\n",number);
 630  if ((number>infoPtr->nrFields) || (number<0)) return;
 631
 632  spec = infoPtr->fieldspec[number];
 633  if ((spec & DTHT_DATEFIELD)==0) return;
 634
 635
 636  switch (spec) {
 637         case ONEDIGITDAY:
 638         case TWODIGITDAY:
 639         case THREECHARDAY:
 640         case FULLDAY:
 641                 date->wDay = 1;
 642                 break;
 643         case ONEDIGIT12HOUR:
 644         case TWODIGIT12HOUR:
 645         case ONEDIGIT24HOUR:
 646         case TWODIGIT24HOUR:
 647         case ONELETTERAMPM:
 648         case TWOLETTERAMPM:
 649                 date->wHour = 0;
 650                 break;
 651         case ONEDIGITSECOND:
 652         case TWODIGITSECOND:
 653                 date->wSecond = 0;
 654                 break;
 655         case ONEDIGITMINUTE:
 656         case TWODIGITMINUTE:
 657                 date->wMinute = 0;
 658                 break;
 659         case ONEDIGITMONTH:
 660         case TWODIGITMONTH:
 661         case THREECHARMONTH:
 662         case FULLMONTH:
 663                 date->wMonth = 1;
 664         case FORMATCALLBACK:
 665                 FIXME ("Not implemented\n");
 666                 break;
 667         case ONEDIGITYEAR:
 668         case TWODIGITYEAR:
 669         /* FYI: On 1752/9/14 the calendar changed and England and the
 670          * American colonies changed to the Gregorian calendar. This change
 671          * involved having September 14th follow September 2nd. So no date
 672          * algorithm works before that date.
 673          */
 674         case FULLYEAR:
 675                 date->wSecond = 0;
 676                 date->wMinute = 0;
 677                 date->wHour = 0;
 678                 date->wDay = 14;                /* overactive ms-programmers..*/
 679                 date->wMonth = 9;
 680                 date->wYear = 1752;
 681                 break;
 682         }
 683
 684 }
 685
 686
 687 static void
 688 DATETIME_ResetFieldUp (DATETIME_INFO *infoPtr, int number)
 689 {
 690  SYSTEMTIME *date = & infoPtr->date;
 691  int spec;
 692
 693  TRACE("%d \n",number);
 694  if ((number>infoPtr->nrFields) || (number<0)) return;
 695
 696  spec=infoPtr->fieldspec[number];
 697  if ((spec & DTHT_DATEFIELD)==0) return;
 698
 699  switch (spec) {
 700         case ONEDIGITDAY:
 701         case TWODIGITDAY:
 702         case THREECHARDAY:
 703         case FULLDAY:
 704                 date->wDay=MONTHCAL_MonthLength(date->wMonth,date->wYear);
 705                 break;
 706         case ONEDIGIT12HOUR:
 707         case TWODIGIT12HOUR:
 708         case ONEDIGIT24HOUR:
 709         case TWODIGIT24HOUR:
 710         case ONELETTERAMPM:
 711         case TWOLETTERAMPM:
 712                 date->wHour=23;
 713                 break;
 714         case ONEDIGITSECOND:
 715         case TWODIGITSECOND:
 716                 date->wSecond=59;
 717                 break;
 718         case ONEDIGITMINUTE:
 719         case TWODIGITMINUTE:
 720                 date->wMinute=59;
 721                 break;
 722         case ONEDIGITMONTH:
 723         case TWODIGITMONTH:
 724         case THREECHARMONTH:
 725         case FULLMONTH:
 726                 date->wMonth=12;
 727         case FORMATCALLBACK:
 728                 FIXME ("Not implemented\n");
 729                 break;
 730         case ONEDIGITYEAR:
 731         case TWODIGITYEAR:
 732         case FULLYEAR:
 733                 date->wYear=9999;    /* Y10K problem? naaah. */
 734                 break;
 735         }
 736
 737 }
 738
 739
 740 static void DATETIME_Refresh (HWND hwnd, HDC hdc)
 741
 742 {
 743   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 744   int i,prevright;
 745   RECT *field;
 746   DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
 747   RECT *rcDraw = &infoPtr->rcDraw;
 748   RECT *rcClient = &infoPtr->rcClient;
 749   RECT *calbutton = &infoPtr->calbutton;
 750   RECT *checkbox = &infoPtr->checkbox;
 751   HBRUSH hbr;
 752   SIZE size;
 753   COLORREF oldBk, oldTextColor;
 754
 755   /* draw control edge */
 756   TRACE("\n");
 757   hbr = CreateSolidBrush(RGB(255, 255, 255));
 758   FillRect(hdc, rcClient, hbr);
 759   DrawEdge(hdc, rcClient, EDGE_SUNKEN, BF_RECT);
 760   DeleteObject(hbr);
 761
 762   if (infoPtr->dateValid) {
 763     char txt[80];
 764     HFONT oldFont;
 765     oldFont = SelectObject (hdc, infoPtr->hFont);
 766
 767     DATETIME_ReturnTxt (infoPtr, 0, txt);
 768     GetTextExtentPoint32A (hdc, txt, strlen (txt), &size);
 769     rcDraw->bottom = size.cy+2;
 770
 771     if (dwStyle & DTS_SHOWNONE) checkbox->right = 18;
 772
 773     prevright = checkbox->right;
 774
 775     for (i=0; i<infoPtr->nrFields; i++) {
 776       DATETIME_ReturnTxt (infoPtr, i, txt);
 777       GetTextExtentPoint32A (hdc, txt, strlen (txt), &size);
 778       field = & infoPtr->fieldRect[i];
 779       field->left  = prevright;
 780       field->right = prevright+size.cx;
 781       field->top   = rcDraw->top;
 782       field->bottom = rcDraw->bottom;
 783       prevright = field->right;
 784
 785       if ((infoPtr->haveFocus) && (i==infoPtr->select)) {
 786         hbr = CreateSolidBrush (GetSysColor (COLOR_ACTIVECAPTION));
 787         FillRect(hdc, field, hbr);
 788         oldBk = SetBkColor (hdc, GetSysColor(COLOR_ACTIVECAPTION));
 789         oldTextColor = SetTextColor (hdc, GetSysColor(COLOR_WINDOW));
 790         DeleteObject (hbr);
 791         DrawTextA ( hdc, txt, strlen(txt), field,
 792               DT_RIGHT | DT_VCENTER | DT_SINGLELINE );
 793         SetBkColor (hdc, oldBk);
 794                 SetTextColor (hdc, oldTextColor);
 795       }
 796       else
 797         DrawTextA ( hdc, txt, strlen(txt), field,
 798                          DT_RIGHT | DT_VCENTER | DT_SINGLELINE );
 799     }
 800
 801     SelectObject (hdc, oldFont);
 802   }
 803
 804   if (!(dwStyle & DTS_UPDOWN)) {
 805     DrawFrameControl(hdc, calbutton, DFC_SCROLL,
 806         DFCS_SCROLLDOWN | (infoPtr->bCalDepressed ? DFCS_PUSHED : 0) |
 807         (dwStyle & WS_DISABLED ? DFCS_INACTIVE : 0) );
 808   }
 809 }
 810
 811
 812 static LRESULT
 813 DATETIME_HitTest (HWND hwnd, DATETIME_INFO *infoPtr, POINT pt)
 814 {
 815   int i, retval;
 816
 817   TRACE ("%ld, %ld\n",pt.x,pt.y);
 818
 819   retval = DTHT_NONE;
 820   if (PtInRect (&infoPtr->calbutton, pt))
 821     {retval = DTHT_MCPOPUP; TRACE("Hit in calbutton(DTHT_MCPOPUP)\n"); goto done; }
 822   if (PtInRect (&infoPtr->checkbox, pt))
 823     {retval = DTHT_CHECKBOX; TRACE("Hit in checkbox(DTHT_CHECKBOX)\n"); goto done; }
 824
 825   for (i=0; i<infoPtr->nrFields; i++) {
 826     if (PtInRect (&infoPtr->fieldRect[i], pt)) {
 827       retval = i;
 828       TRACE("Hit in date text in field %d\n", i);
 829       break;
 830     }
 831  }
 832
 833 done:
 834   return retval;
 835 }
 836
 837
 838 static LRESULT
 839 DATETIME_LButtonDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
 840 {
 841   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 842   DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
 843   int old, new;
 844   POINT pt;
 845
 846   TRACE ("\n");
 847
 848   old = infoPtr->select;
 849   pt.x = (INT)LOWORD(lParam);
 850   pt.y = (INT)HIWORD(lParam);
 851
 852   new = DATETIME_HitTest (hwnd, infoPtr, pt);
 853
 854   /* FIXME: might be conditions where we don't want to update infoPtr->select */
 855   infoPtr->select = new;
 856
 857   if (infoPtr->select != old) {
 858     infoPtr->haveFocus = DTHT_GOTFOCUS;
 859    }
 860
 861   if (infoPtr->select == DTHT_MCPOPUP) {
 862     /* FIXME: button actually is only depressed during dropdown of the */
 863     /* calendar control and when the mouse is over the button window */
 864     infoPtr->bCalDepressed = TRUE;
 865
 866     /* recalculate the position of the monthcal popup */
 867     if(dwStyle & DTS_RIGHTALIGN)
 868       infoPtr->monthcal_pos.x = infoPtr->rcClient.right - ((infoPtr->calbutton.right -
 869                                 infoPtr->calbutton.left) + 145);
 870     else
 871       infoPtr->monthcal_pos.x = 8;
 872
 873     infoPtr->monthcal_pos.y = infoPtr->rcClient.bottom;
 874     ClientToScreen (hwnd, &(infoPtr->monthcal_pos));
 875     SetWindowPos(infoPtr->hMonthCal, 0, infoPtr->monthcal_pos.x,
 876         infoPtr->monthcal_pos.y, 145, 150, 0);
 877
 878     if(IsWindowVisible(infoPtr->hMonthCal))
 879         ShowWindow(infoPtr->hMonthCal, SW_HIDE);
 880     else
 881         ShowWindow(infoPtr->hMonthCal, SW_SHOW);
 882
 883     TRACE ("dt:%x mc:%x mc parent:%x, desktop:%x, mcpp:%x\n",
 884               hwnd,infoPtr->hMonthCal,
 885               GetParent (infoPtr->hMonthCal),
 886               GetDesktopWindow (),
 887               GetParent (GetParent (infoPtr->hMonthCal)));
 888     DATETIME_SendSimpleNotify (hwnd, DTN_DROPDOWN);
 889   }
 890
 891   InvalidateRect(hwnd, NULL, FALSE);
 892
 893   return 0;
 894 }
 895
 896
 897 static LRESULT
 898 DATETIME_LButtonUp (HWND hwnd, WPARAM wParam, LPARAM lParam)
 899 {
 900   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 901
 902   TRACE("\n");
 903
 904   if(infoPtr->bCalDepressed == TRUE) {
 905     infoPtr->bCalDepressed = FALSE;
 906     InvalidateRect(hwnd, &(infoPtr->calbutton), TRUE);
 907   }
 908
 909   return 0;
 910 }
 911
 912
 913 static LRESULT
 914 DATETIME_Paint (HWND hwnd, WPARAM wParam)
 915 {
 916     HDC hdc;
 917     PAINTSTRUCT ps;
 918
 919     hdc = wParam==0 ? BeginPaint (hwnd, &ps) : (HDC)wParam;
 920     DATETIME_Refresh (hwnd, hdc);
 921     if(!wParam)
 922     EndPaint (hwnd, &ps);
 923     return 0;
 924 }
 925
 926
 927 static LRESULT
 928 DATETIME_ParentNotify (HWND hwnd, WPARAM wParam, LPARAM lParam)
 929 {
 930  DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 931  LPNMHDR lpnmh = (LPNMHDR) lParam;
 932
 933  TRACE ("%x,%lx\n",wParam, lParam);
 934  TRACE ("Got notification %x from %x\n", lpnmh->code, lpnmh->hwndFrom);
 935  TRACE ("info: %x %x %x\n",hwnd,infoPtr->hMonthCal,infoPtr->hUpdown);
 936  return 0;
 937 }
 938
 939
 940 static LRESULT
 941 DATETIME_Notify (HWND hwnd, WPARAM wParam, LPARAM lParam)
 942
 943 {
 944  DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 945  LPNMHDR lpnmh = (LPNMHDR) lParam;
 946
 947  TRACE ("%x,%lx\n",wParam, lParam);
 948  TRACE ("Got notification %x from %x\n", lpnmh->code, lpnmh->hwndFrom);
 949  TRACE ("info: %x %x %x\n",hwnd,infoPtr->hMonthCal,infoPtr->hUpdown);
 950  return 0;
 951 }
 952
 953
 954 static LRESULT
 955 DATETIME_KeyDown (HWND hwnd, WPARAM wParam, LPARAM lParam)
 956 {
 957  DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
 958  int FieldNum,wrap=0;
 959
 960  TRACE("%x %lx %x\n",wParam, lParam, infoPtr->select);
 961
 962  FieldNum = infoPtr->select & DTHT_DATEFIELD;
 963
 964  if (!(infoPtr->haveFocus)) return 0;
 965  if ((FieldNum==0) && (infoPtr->select)) return 0;
 966
 967  if (infoPtr->select & FORMATCALLMASK) {
 968         FIXME ("Callbacks not implemented yet\n");
 969  }
 970
 971  switch (wParam) {
 972         case VK_ADD:
 973         case VK_UP:
 974                 DATETIME_IncreaseField (infoPtr,FieldNum);
 975                 DATETIME_SendDateTimeChangeNotify (hwnd);
 976                 break;
 977         case VK_SUBTRACT:
 978         case VK_DOWN:
 979                 DATETIME_DecreaseField (infoPtr,FieldNum);
 980                 DATETIME_SendDateTimeChangeNotify (hwnd);
 981                 break;
 982         case VK_HOME:
 983                 DATETIME_ResetFieldDown (infoPtr,FieldNum);
 984                 DATETIME_SendDateTimeChangeNotify (hwnd);
 985                 break;
 986         case VK_END:
 987                 DATETIME_ResetFieldUp(infoPtr,FieldNum);
 988                 DATETIME_SendDateTimeChangeNotify (hwnd);
 989                 break;
 990         case VK_LEFT:
 991                 do {
 992                         if (infoPtr->select==0) {
 993                                 infoPtr->select = infoPtr->nrFields - 1;
 994                                 wrap++;
 995                         } else
 996                         infoPtr->select--;
 997                 }
 998                 while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
 999                 break;
1000         case VK_RIGHT:
1001                 do {
1002                         infoPtr->select++;
1003                         if (infoPtr->select==infoPtr->nrFields) {
1004                                 infoPtr->select = 0;
1005                                 wrap++;
1006                         }
1007                         }
1008                 while ((infoPtr->fieldspec[infoPtr->select] & DT_STRING) && (wrap<2));
1009                 break;
1010         }
1011
1012   InvalidateRect(hwnd, NULL, FALSE);
1013
1014   return 0;
1015 }
1016
1017
1018 static LRESULT
1019 DATETIME_KillFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
1020 {
1021     DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
1022
1023     TRACE ("\n");
1024
1025     if (infoPtr->haveFocus) {
1026         DATETIME_SendSimpleNotify (hwnd, NM_KILLFOCUS);
1027         infoPtr->haveFocus = 0;
1028     }
1029
1030     InvalidateRect (hwnd, NULL, TRUE);
1031
1032     return 0;
1033 }
1034
1035
1036 static LRESULT
1037 DATETIME_SetFocus (HWND hwnd, WPARAM wParam, LPARAM lParam)
1038 {
1039     DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
1040
1041     TRACE ("\n");
1042
1043     if (infoPtr->haveFocus==0) {
1044         DATETIME_SendSimpleNotify (hwnd, NM_SETFOCUS);
1045         infoPtr->haveFocus = DTHT_GOTFOCUS;
1046     }
1047
1048     InvalidateRect(hwnd, NULL, FALSE);
1049
1050     return 0;
1051 }
1052
1053
1054 static BOOL
1055 DATETIME_SendDateTimeChangeNotify (HWND hwnd)
1056
1057 {
1058  DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
1059  NMDATETIMECHANGE dtdtc;
1060
1061  TRACE ("\n");
1062  dtdtc.nmhdr.hwndFrom = hwnd;
1063  dtdtc.nmhdr.idFrom   = GetWindowLongA( hwnd, GWL_ID);
1064  dtdtc.nmhdr.code     = DTN_DATETIMECHANGE;
1065
1066  if ((GetWindowLongA (hwnd, GWL_STYLE) & DTS_SHOWNONE))
1067    dtdtc.dwFlags = GDT_NONE;
1068  else
1069    dtdtc.dwFlags = GDT_VALID;
1070
1071  MONTHCAL_CopyTime (&infoPtr->date, &dtdtc.st);
1072  return (BOOL) SendMessageA (GetParent (hwnd), WM_NOTIFY,
1073                               (WPARAM)dtdtc.nmhdr.idFrom, (LPARAM)&dtdtc);
1074 }
1075
1076
1077 static BOOL
1078 DATETIME_SendSimpleNotify (HWND hwnd, UINT code)
1079 {
1080     NMHDR nmhdr;
1081
1082     TRACE("%x\n",code);
1083     nmhdr.hwndFrom = hwnd;
1084     nmhdr.idFrom   = GetWindowLongA( hwnd, GWL_ID);
1085     nmhdr.code     = code;
1086
1087     return (BOOL) SendMessageA (GetParent (hwnd), WM_NOTIFY,
1088                                 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
1089 }
1090
1091 static LRESULT
1092 DATETIME_Size (HWND hwnd, WPARAM wParam, LPARAM lParam)
1093 {
1094   DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr(hwnd);
1095   DWORD dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
1096
1097   /* set size */
1098   infoPtr->rcClient.bottom = HIWORD(lParam);
1099   infoPtr->rcClient.right = LOWORD(lParam);
1100
1101   TRACE("Height=%d, Width=%d\n", infoPtr->rcClient.bottom, infoPtr->rcClient.right);
1102
1103   /* use DrawEdge to adjust the size of rcEdge to get rcDraw */
1104   memcpy((&infoPtr->rcDraw), (&infoPtr->rcClient), sizeof(infoPtr->rcDraw));
1105
1106   DrawEdge((HDC)NULL, &(infoPtr->rcDraw), EDGE_SUNKEN, BF_RECT | BF_ADJUST);
1107
1108   /* set the size of the button that drops the calendar down */
1109   /* FIXME: account for style that allows button on left side */
1110   infoPtr->calbutton.top   = infoPtr->rcDraw.top;
1111   infoPtr->calbutton.bottom= infoPtr->rcDraw.bottom;
1112   infoPtr->calbutton.left  = infoPtr->rcDraw.right-15;
1113   infoPtr->calbutton.right = infoPtr->rcDraw.right;
1114
1115   /* set enable/disable button size for show none style being enabled */
1116   /* FIXME: these dimensions are completely incorrect */
1117   infoPtr->checkbox.top = infoPtr->rcDraw.top;
1118   infoPtr->checkbox.bottom = infoPtr->rcDraw.bottom;
1119   infoPtr->checkbox.left = infoPtr->rcDraw.left;
1120   infoPtr->checkbox.right = infoPtr->rcDraw.left + 10;
1121
1122   /* update the position of the monthcal control */
1123   if(dwStyle & DTS_RIGHTALIGN)
1124     infoPtr->monthcal_pos.x = infoPtr->rcClient.right - ((infoPtr->calbutton.right -
1125                                 infoPtr->calbutton.left) + 145);
1126   else
1127     infoPtr->monthcal_pos.x = 8;
1128
1129   infoPtr->monthcal_pos.y = infoPtr->rcClient.bottom;
1130   ClientToScreen (hwnd, &(infoPtr->monthcal_pos));
1131   SetWindowPos(infoPtr->hMonthCal, 0, infoPtr->monthcal_pos.x,
1132     infoPtr->monthcal_pos.y,
1133     145, 150, 0);
1134
1135   InvalidateRect(hwnd, NULL, FALSE);
1136
1137   return 0;
1138 }
1139
1140
1141 static LRESULT
1142 DATETIME_Create (HWND hwnd, WPARAM wParam, LPARAM lParam)
1143 {
1144   DATETIME_INFO *infoPtr;
1145   DWORD dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
1146
1147   /* allocate memory for info structure */
1148   TRACE("%04x %08lx\n",wParam,lParam);
1149   infoPtr = (DATETIME_INFO *)COMCTL32_Alloc (sizeof(DATETIME_INFO));
1150   if (infoPtr == NULL) {
1151     ERR("could not allocate info memory!\n");
1152     return 0;
1153   }
1154
1155   SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
1156
1157   if (dwStyle & DTS_SHOWNONE) {
1158     infoPtr->hwndCheckbut=CreateWindowExA (0,"button", 0,
1159          WS_CHILD | WS_VISIBLE | BS_AUTOCHECKBOX,
1160          2,2,13,13,
1161          hwnd,
1162          0, GetWindowLongA  (hwnd, GWL_HINSTANCE), 0);
1163          SendMessageA (infoPtr->hwndCheckbut, BM_SETCHECK, 1, 0);
1164   }
1165
1166   if (dwStyle & DTS_UPDOWN) {
1167     infoPtr->hUpdown=CreateUpDownControl (
1168         WS_CHILD | WS_BORDER | WS_VISIBLE,
1169         120,1,20,20,
1170         hwnd,1,0,0,
1171         UD_MAXVAL, UD_MINVAL, 0);
1172   }
1173
1174   infoPtr->fieldspec = (int *) COMCTL32_Alloc (32*sizeof(int));
1175   infoPtr->fieldRect = (RECT *) COMCTL32_Alloc (32*sizeof(RECT));
1176   infoPtr->buflen = (int *) COMCTL32_Alloc (32*sizeof(int));
1177   infoPtr->nrFieldsAllocated = 32;
1178
1179   DATETIME_SetFormat (hwnd, 0, 0);
1180
1181   /* create the monthcal control */
1182     infoPtr->hMonthCal = CreateWindowExA (0,"SysMonthCal32", 0,
1183         WS_BORDER | WS_POPUP | WS_CLIPSIBLINGS,
1184         0, 0, 0, 0,
1185         GetParent(hwnd),
1186         0, 0, 0);
1187
1188   /* initialize info structure */
1189   GetSystemTime (&infoPtr->date);
1190   infoPtr->dateValid = TRUE;
1191   infoPtr->hFont = GetStockObject(DEFAULT_GUI_FONT);
1192   return 0;
1193 }
1194
1195
1196 static LRESULT
1197 DATETIME_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
1198 {
1199     DATETIME_INFO *infoPtr = DATETIME_GetInfoPtr (hwnd);
1200
1201     TRACE("\n");
1202     COMCTL32_Free (infoPtr);
1203     SetWindowLongA( hwnd, 0, 0 );
1204     return 0;
1205 }
1206
1207
1208 static LRESULT WINAPI
1209 DATETIME_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
1210 {
1211     if (!DATETIME_GetInfoPtr(hwnd) && (uMsg != WM_CREATE))
1212         return DefWindowProcA( hwnd, uMsg, wParam, lParam );
1213
1214     switch (uMsg)
1215     {
1216
1217     case DTM_GETSYSTEMTIME:
1218         return DATETIME_GetSystemTime (hwnd, wParam, lParam);
1219
1220     case DTM_SETSYSTEMTIME:
1221         return DATETIME_SetSystemTime (hwnd, wParam, lParam);
1222
1223     case DTM_GETRANGE:
1224         return DATETIME_GetRange(hwnd, lParam);
1225
1226     case DTM_SETRANGE:
1227         return DATETIME_SetRange(hwnd, wParam, lParam);
1228
1229     case DTM_SETFORMATA:
1230         return DATETIME_SetFormat (hwnd, wParam, lParam);
1231
1232     case DTM_SETFORMATW:
1233         return DATETIME_SetFormatW (hwnd, wParam, lParam);
1234
1235     case DTM_SETMCCOLOR:
1236         return DATETIME_SetMonthCalColor (hwnd, wParam, lParam);
1237
1238     case DTM_GETMCCOLOR:
1239         return DATETIME_GetMonthCalColor (hwnd, wParam);
1240
1241     case DTM_GETMONTHCAL:
1242         return DATETIME_GetMonthCal (hwnd);
1243
1244     case DTM_SETMCFONT:
1245         return DATETIME_SetMonthCalFont (hwnd, wParam, lParam);
1246
1247     case DTM_GETMCFONT:
1248         return DATETIME_GetMonthCalFont (hwnd);
1249
1250     case WM_PARENTNOTIFY:
1251         return DATETIME_ParentNotify (hwnd, wParam, lParam);
1252
1253     case WM_NOTIFY:
1254         return DATETIME_Notify (hwnd, wParam, lParam);
1255
1256     case WM_GETDLGCODE:
1257         return DLGC_WANTARROWS | DLGC_WANTCHARS;
1258
1259     case WM_PAINT:
1260         return DATETIME_Paint (hwnd, wParam);
1261
1262     case WM_KEYDOWN:
1263         return DATETIME_KeyDown (hwnd, wParam, lParam);
1264
1265     case WM_KILLFOCUS:
1266         return DATETIME_KillFocus (hwnd, wParam, lParam);
1267
1268     case WM_SETFOCUS:
1269         return DATETIME_SetFocus (hwnd, wParam, lParam);
1270
1271     case WM_SIZE:
1272         return DATETIME_Size (hwnd, wParam, lParam);
1273
1274     case WM_LBUTTONDOWN:
1275         return DATETIME_LButtonDown (hwnd, wParam, lParam);
1276
1277     case WM_LBUTTONUP:
1278         return DATETIME_LButtonUp (hwnd, wParam, lParam);
1279
1280     case WM_CREATE:
1281         return DATETIME_Create (hwnd, wParam, lParam);
1282
1283     case WM_DESTROY:
1284         return DATETIME_Destroy (hwnd, wParam, lParam);
1285
1286     default:
1287         if (uMsg >= WM_USER)
1288                 ERR("unknown msg %04x wp=%08x lp=%08lx\n",
1289                      uMsg, wParam, lParam);
1290         return DefWindowProcA (hwnd, uMsg, wParam, lParam);
1291     }
1292     return 0;
1293 }
1294
1295
1296 VOID
1297 DATETIME_Register (void)
1298 {
1299     WNDCLASSA wndClass;
1300
1301     TRACE("\n");
1302     ZeroMemory (&wndClass, sizeof(WNDCLASSA));
1303     wndClass.style         = CS_GLOBALCLASS;
1304     wndClass.lpfnWndProc   = (WNDPROC)DATETIME_WindowProc;
1305     wndClass.cbClsExtra    = 0;
1306     wndClass.cbWndExtra    = sizeof(DATETIME_INFO *);
1307     wndClass.hCursor       = LoadCursorA (0, IDC_ARROWA);
1308     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
1309     wndClass.lpszClassName = DATETIMEPICK_CLASSA;
1310
1311     RegisterClassA (&wndClass);
1312 }
1313
1314
1315 VOID
1316 DATETIME_Unregister (void)
1317 {
1318     TRACE("\n");
1319     UnregisterClassA (DATETIMEPICK_CLASSA, (HINSTANCE)NULL);
1320 }