reactos/dll/cpl/intl/time.c

   1 /*
   2  *  ReactOS
   3  *  Copyright (C) 2004 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 /*
  20  * PROJECT:         ReactOS International Control Panel
  21  * FILE:            dll/cpl/intl/time.c
  22  * PURPOSE:         Time property page
  23  * PROGRAMMER:      Eric Kohl
  24  */
  25
  26 #include "intl.h"
  27
  28 static HWND hwndEnum = NULL;
  29
  30 static BOOL CALLBACK
  31 TimeFormatEnumProc(PWSTR lpTimeFormatString)
  32 {
  33     SendMessageW(hwndEnum,
  34                 CB_ADDSTRING,
  35                 0,
  36                 (LPARAM)lpTimeFormatString);
  37
  38     return TRUE;
  39 }
  40
  41 static VOID
  42 UpdateTimeSample(HWND hWnd, PGLOBALDATA pGlobalData)
  43 {
  44     WCHAR szBuffer[MAX_SAMPLES_STR_SIZE];
  45
  46     GetTimeFormatW(pGlobalData->UserLCID, 0, NULL,
  47                    pGlobalData->szTimeFormat, szBuffer,
  48                    MAX_SAMPLES_STR_SIZE);
  49     SendDlgItemMessageW(hWnd, IDC_TIMESAMPLE, WM_SETTEXT, 0, (LPARAM)szBuffer);
  50 }
  51
  52
  53 static VOID
  54 GetSelectedComboEntry(HWND hwndDlg, DWORD dwIdc, WCHAR *Buffer, UINT uSize)
  55 {
  56     HWND hChildWnd;
  57     PWSTR tmp;
  58     INT nIndex;
  59     UINT uReqSize;
  60
  61     /* Get handle to time format control */
  62     hChildWnd = GetDlgItem(hwndDlg, dwIdc);
  63
  64     /* Get index to selected time format */
  65     nIndex = SendMessageW(hChildWnd, CB_GETCURSEL, 0, 0);
  66     if (nIndex == CB_ERR)
  67     {
  68         /* No selection? Get content of the edit control */
  69         SendMessageW(hChildWnd, WM_GETTEXT, uSize, (LPARAM)Buffer);
  70     }
  71     else
  72     {
  73         /* Get requested size, including the null terminator;
  74          * it shouldn't be required because the previous CB_LIMITTEXT,
  75          * but it would be better to check it anyways */
  76         uReqSize = SendMessageW(hChildWnd, CB_GETLBTEXTLEN, (WPARAM)nIndex, 0) + 1;
  77
  78         /* Allocate enough space to be more safe */
  79         tmp = (PWSTR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, uReqSize * sizeof(WCHAR));
  80         if (tmp != NULL)
  81         {
  82             /* Get selected time format text */
  83             SendMessageW(hChildWnd, CB_GETLBTEXT, (WPARAM)nIndex, (LPARAM)tmp);
  84
  85             /* Finally, copy the result into the output */
  86             wcsncpy(Buffer, tmp, uSize);
  87
  88             HeapFree(GetProcessHeap(), 0, tmp);
  89         }
  90     }
  91 }
  92
  93
  94 static
  95 VOID
  96 InitTimeFormatCB(
  97     HWND hwndDlg,
  98     PGLOBALDATA pGlobalData)
  99 {
 100     /* Get the time format */
 101     SendDlgItemMessageW(hwndDlg, IDC_TIMEFORMAT,
 102                         CB_LIMITTEXT, MAX_TIMEFORMAT, 0);
 103
 104     /* Add available time formats to the list */
 105     hwndEnum = GetDlgItem(hwndDlg, IDC_TIMEFORMAT);
 106     EnumTimeFormatsW(TimeFormatEnumProc, pGlobalData->UserLCID, 0);
 107
 108     SendDlgItemMessageW(hwndDlg, IDC_TIMEFORMAT,
 109                         CB_SELECTSTRING,
 110                         -1,
 111                         (LPARAM)pGlobalData->szTimeFormat);
 112 }
 113
 114 static
 115 VOID
 116 InitTimeSeparatorCB(
 117     HWND hwndDlg,
 118     PGLOBALDATA pGlobalData)
 119 {
 120     SendDlgItemMessageW(hwndDlg, IDC_TIMESEPARATOR,
 121                         CB_LIMITTEXT, MAX_TIMESEPARATOR, 0);
 122
 123     SendDlgItemMessageW(hwndDlg, IDC_TIMESEPARATOR,
 124                         CB_ADDSTRING,
 125                         0,
 126                         (LPARAM)pGlobalData->szTimeSep);
 127
 128     SendDlgItemMessageW(hwndDlg, IDC_TIMESEPARATOR,
 129                         CB_SETCURSEL,
 130                         0, /* Index */
 131                         0);
 132 }
 133
 134
 135 static
 136 VOID
 137 InitAmSymbol(
 138     HWND hwndDlg,
 139     PGLOBALDATA pGlobalData)
 140 {
 141     int nLen;
 142
 143     SendDlgItemMessageW(hwndDlg, IDC_TIMEAMSYMBOL,
 144                         CB_LIMITTEXT, MAX_TIMEAMSYMBOL, 0);
 145
 146     nLen = wcslen(pGlobalData->szTimeAM);
 147
 148     SendDlgItemMessageW(hwndDlg, IDC_TIMEAMSYMBOL,
 149                         CB_ADDSTRING,
 150                         0,
 151                         (LPARAM)pGlobalData->szTimeAM);
 152     if (nLen != 0)
 153     {
 154         SendDlgItemMessageW(hwndDlg, IDC_TIMEAMSYMBOL,
 155                             CB_ADDSTRING,
 156                             0,
 157                             (LPARAM)L"");
 158     }
 159
 160     SendDlgItemMessageW(hwndDlg, IDC_TIMEAMSYMBOL,
 161                         CB_SETCURSEL,
 162                         0, /* Index */
 163                         0);
 164 }
 165
 166
 167 static
 168 VOID
 169 InitPmSymbol(
 170     HWND hwndDlg,
 171     PGLOBALDATA pGlobalData)
 172 {
 173     int nLen;
 174
 175     SendDlgItemMessageW(hwndDlg, IDC_TIMEPMSYMBOL,
 176                         CB_LIMITTEXT, MAX_TIMEPMSYMBOL, 0);
 177
 178     nLen = wcslen(pGlobalData->szTimeAM);
 179
 180     SendDlgItemMessageW(hwndDlg, IDC_TIMEPMSYMBOL,
 181                         CB_ADDSTRING,
 182                         0,
 183                         (LPARAM)pGlobalData->szTimePM);
 184     if (nLen != 0)
 185     {
 186         SendDlgItemMessageW(hwndDlg, IDC_TIMEPMSYMBOL,
 187                             CB_ADDSTRING,
 188                             0,
 189                             (LPARAM)L"");
 190     }
 191     SendDlgItemMessageW(hwndDlg, IDC_TIMEPMSYMBOL,
 192                         CB_SETCURSEL,
 193                         0, /* Index */
 194                         0);
 195 }
 196
 197
 198 /* Property page dialog callback */
 199 INT_PTR CALLBACK
 200 TimePageProc(HWND hwndDlg,
 201              UINT uMsg,
 202              WPARAM wParam,
 203              LPARAM lParam)
 204 {
 205     PGLOBALDATA pGlobalData;
 206
 207     pGlobalData = (PGLOBALDATA)GetWindowLongPtr(hwndDlg, DWLP_USER);
 208
 209     switch (uMsg)
 210     {
 211         case WM_INITDIALOG:
 212             pGlobalData = (PGLOBALDATA)((LPPROPSHEETPAGE)lParam)->lParam;
 213             SetWindowLongPtr(hwndDlg, DWLP_USER, (LONG_PTR)pGlobalData);
 214
 215             /* Get the time format */
 216             InitTimeFormatCB(hwndDlg, pGlobalData);
 217
 218             /* Get the time separator */
 219             InitTimeSeparatorCB(hwndDlg, pGlobalData);
 220
 221             /* Get the AM symbol */
 222             InitAmSymbol(hwndDlg, pGlobalData);
 223
 224             /* Get the PM symbol */
 225             InitPmSymbol(hwndDlg, pGlobalData);
 226
 227             /* Update the time format sample */
 228             UpdateTimeSample(hwndDlg, pGlobalData);
 229             break;
 230
 231         case WM_COMMAND:
 232             switch (LOWORD(wParam))
 233             {
 234                 case IDC_TIMEFORMAT:
 235                 case IDC_TIMESEPARATOR:
 236                 case IDC_TIMEAMSYMBOL:
 237                 case IDC_TIMEPMSYMBOL:
 238                     if (HIWORD(wParam) == CBN_SELCHANGE ||
 239                         HIWORD(wParam) == CBN_EDITCHANGE)
 240                     {
 241                         PropSheet_Changed(GetParent(hwndDlg), hwndDlg);
 242                     }
 243                     break;
 244             }
 245             break;
 246
 247         case WM_NOTIFY:
 248             if (((LPNMHDR)lParam)->code == (UINT)PSN_APPLY)
 249             {
 250                 /* Get selected/typed time format text */
 251                 GetSelectedComboEntry(hwndDlg, IDC_TIMEFORMAT,
 252                                       pGlobalData->szTimeFormat,
 253                                       MAX_TIMEFORMAT);
 254
 255                 /* Get selected/typed time separator text */
 256                 GetSelectedComboEntry(hwndDlg, IDC_TIMESEPARATOR,
 257                                       pGlobalData->szTimeSep,
 258                                       MAX_TIMESEPARATOR);
 259
 260                 /* Get selected/typed AM symbol text */
 261                 GetSelectedComboEntry(hwndDlg, IDC_TIMEAMSYMBOL,
 262                                       pGlobalData->szTimeAM,
 263                                       MAX_TIMEAMSYMBOL);
 264
 265                 /* Get selected/typed PM symbol text */
 266                 GetSelectedComboEntry(hwndDlg, IDC_TIMEPMSYMBOL,
 267                                       pGlobalData->szTimePM,
 268                                       MAX_TIMEPMSYMBOL);
 269
 270                 pGlobalData->bUserLocaleChanged = TRUE;
 271
 272                 /* Update the time format sample */
 273                 UpdateTimeSample(hwndDlg, pGlobalData);
 274             }
 275             break;
 276     }
 277
 278     return FALSE;
 279 }
 280
 281 /* EOF */