dll/cpl/access/access.c

   1 /*
   2  * PROJECT:         ReactOS Accessibility Control Panel
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            dll/cpl/access/access.c
   5  * PURPOSE:         Main control panel code
   6  * COPYRIGHT:       Copyright 2004 Johannes Anderwald (johannes.anderwald@reactos.org)
   7  *                  Copyright 2007 Eric Kohl
   8  */
   9
  10 #include "access.h"
  11
  12 #define NUM_APPLETS     (1)
  13
  14 LONG CALLBACK SystemApplet(VOID);
  15 HINSTANCE hApplet = 0;
  16 HWND hCPLWindow;
  17
  18 /* Applets */
  19 APPLET Applets[NUM_APPLETS] =
  20 {
  21     {IDI_CPLACCESS, IDS_CPLSYSTEMNAME, IDS_CPLSYSTEMDESCRIPTION, SystemApplet}
  22 };
  23
  24
  25 static BOOL
  26 ReadSettings(PGLOBAL_DATA pGlobalData)
  27 {
  28     DWORD dwDisposition;
  29     DWORD dwLength;
  30     HKEY hKey;
  31     LONG lError;
  32
  33     /* Get sticky keys information */
  34     pGlobalData->stickyKeys.cbSize = sizeof(STICKYKEYS);
  35     if (!SystemParametersInfo(SPI_GETSTICKYKEYS,
  36                               sizeof(STICKYKEYS),
  37                               &pGlobalData->stickyKeys,
  38                               0))
  39         return FALSE;
  40
  41     /* Get filter keys information */
  42     pGlobalData->filterKeys.cbSize = sizeof(FILTERKEYS);
  43     if (!SystemParametersInfo(SPI_GETFILTERKEYS,
  44                               sizeof(FILTERKEYS),
  45                               &pGlobalData->filterKeys,
  46                               0))
  47         return FALSE;
  48
  49     /* Get toggle keys information */
  50     pGlobalData->toggleKeys.cbSize = sizeof(TOGGLEKEYS);
  51     if (!SystemParametersInfo(SPI_GETTOGGLEKEYS,
  52                               sizeof(TOGGLEKEYS),
  53                               &pGlobalData->toggleKeys,
  54                               0))
  55         return FALSE;
  56
  57     /* Get keyboard preference information */
  58     if (!SystemParametersInfo(SPI_GETKEYBOARDPREF,
  59                               0,
  60                               &pGlobalData->bKeyboardPref,
  61                               0))
  62         return FALSE;
  63
  64     /* Get high contrast information */
  65     pGlobalData->highContrast.cbSize = sizeof(HIGHCONTRAST);
  66     SystemParametersInfo(SPI_GETHIGHCONTRAST,
  67                          sizeof(HIGHCONTRAST),
  68                          &pGlobalData->highContrast,
  69                          0);
  70
  71     SystemParametersInfo(SPI_GETCARETWIDTH,
  72                          0,
  73                          &pGlobalData->uCaretWidth,
  74                          0);
  75
  76     pGlobalData->uCaretBlinkTime = GetCaretBlinkTime();
  77
  78     /* Get sound settings */
  79     pGlobalData->ssSoundSentry.cbSize = sizeof(SOUNDSENTRY);
  80     SystemParametersInfo(SPI_GETSOUNDSENTRY,
  81                          sizeof(SOUNDSENTRY),
  82                          &pGlobalData->ssSoundSentry,
  83                          0);
  84
  85     SystemParametersInfo(SPI_GETSHOWSOUNDS,
  86                          0,
  87                          &pGlobalData->bShowSounds,
  88                          0);
  89
  90     /* Get mouse keys information */
  91     pGlobalData->mouseKeys.cbSize = sizeof(MOUSEKEYS);
  92     SystemParametersInfo(SPI_GETMOUSEKEYS,
  93                          sizeof(MOUSEKEYS),
  94                          &pGlobalData->mouseKeys,
  95                          0);
  96
  97     /* Get access timeout information */
  98     pGlobalData->accessTimeout.cbSize = sizeof(ACCESSTIMEOUT);
  99     SystemParametersInfo(SPI_GETACCESSTIMEOUT,
 100                          sizeof(ACCESSTIMEOUT),
 101                          &pGlobalData->accessTimeout,
 102                          0);
 103
 104     /* Get serial keys information */
 105     pGlobalData->serialKeys.cbSize = sizeof(SERIALKEYS);
 106     pGlobalData->serialKeys.lpszActivePort = pGlobalData->szActivePort;
 107     pGlobalData->serialKeys.lpszPort = pGlobalData->szPort;
 108     SystemParametersInfo(SPI_GETSERIALKEYS,
 109                          sizeof(SERIALKEYS),
 110                          &pGlobalData->serialKeys,
 111                          0);
 112
 113     pGlobalData->bWarningSounds = TRUE;
 114     pGlobalData->bSoundOnActivation = TRUE;
 115
 116     lError = RegCreateKeyEx(HKEY_CURRENT_USER,
 117                             _T("Control Panel\\Accessibility"),
 118                             0,
 119                             NULL,
 120                             REG_OPTION_NON_VOLATILE,
 121                             KEY_EXECUTE | KEY_QUERY_VALUE,
 122                             NULL,
 123                             &hKey,
 124                             &dwDisposition);
 125     if (lError != ERROR_SUCCESS)
 126         return TRUE;
 127
 128     dwLength = sizeof(BOOL);
 129     lError = RegQueryValueEx(hKey,
 130                              _T("Warning Sounds"),
 131                              NULL,
 132                              NULL,
 133                              (LPBYTE)&pGlobalData->bWarningSounds,
 134                              &dwLength);
 135     if (lError != ERROR_SUCCESS)
 136         pGlobalData->bWarningSounds = TRUE;
 137
 138     dwLength = sizeof(BOOL);
 139     lError = RegQueryValueEx(hKey,
 140                              _T("Sound On Activation"),
 141                              NULL,
 142                              NULL,
 143                              (LPBYTE)&pGlobalData->bSoundOnActivation,
 144                              &dwLength);
 145     if (lError != ERROR_SUCCESS)
 146         pGlobalData->bSoundOnActivation = TRUE;
 147
 148     RegCloseKey(hKey);
 149
 150     return TRUE;
 151 }
 152
 153
 154 static VOID
 155 InitPropSheetPage(PROPSHEETPAGE *psp, WORD idDlg, DLGPROC DlgProc, PGLOBAL_DATA pGlobalData)
 156 {
 157     ZeroMemory(psp, sizeof(PROPSHEETPAGE));
 158     psp->dwSize = sizeof(PROPSHEETPAGE);
 159     psp->dwFlags = PSP_DEFAULT;
 160     psp->hInstance = hApplet;
 161     psp->pszTemplate = MAKEINTRESOURCE(idDlg);
 162     psp->pfnDlgProc = DlgProc;
 163     psp->lParam = (LPARAM)pGlobalData;
 164 }
 165
 166
 167 /* First Applet */
 168
 169 LONG CALLBACK
 170 SystemApplet(VOID)
 171 {
 172     PGLOBAL_DATA pGlobalData;
 173     PROPSHEETPAGE psp[5];
 174     PROPSHEETHEADER psh;
 175     TCHAR Caption[1024];
 176     INT ret;
 177
 178     LoadString(hApplet, IDS_CPLSYSTEMNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
 179
 180     pGlobalData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
 181     if (pGlobalData == NULL)
 182         return 0;
 183
 184     if (!ReadSettings(pGlobalData))
 185         return 0;
 186
 187     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 188     psh.dwSize = sizeof(PROPSHEETHEADER);
 189     psh.dwFlags =  PSH_PROPSHEETPAGE;
 190     psh.hwndParent = hCPLWindow;
 191     psh.hInstance = hApplet;
 192     psh.hIcon = LoadIcon(hApplet, MAKEINTRESOURCE(IDI_CPLACCESS));
 193     psh.pszCaption = Caption;
 194     psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
 195     psh.nStartPage = 0;
 196     psh.ppsp = psp;
 197
 198     InitPropSheetPage(&psp[0], IDD_PROPPAGEKEYBOARD, (DLGPROC)KeyboardPageProc, pGlobalData);
 199     InitPropSheetPage(&psp[1], IDD_PROPPAGESOUND, (DLGPROC)SoundPageProc, pGlobalData);
 200     InitPropSheetPage(&psp[2], IDD_PROPPAGEDISPLAY, (DLGPROC)DisplayPageProc, pGlobalData);
 201     InitPropSheetPage(&psp[3], IDD_PROPPAGEMOUSE, (DLGPROC)MousePageProc, pGlobalData);
 202     InitPropSheetPage(&psp[4], IDD_PROPPAGEGENERAL, (DLGPROC)GeneralPageProc, pGlobalData);
 203
 204     ret = PropertySheet(&psh);
 205
 206     HeapFree(GetProcessHeap(), 0, pGlobalData);
 207
 208     return (LONG)(ret != -1);
 209 }
 210
 211 /* Control Panel Callback */
 212 LONG CALLBACK
 213 CPlApplet(HWND hwndCPl,
 214           UINT uMsg,
 215           LPARAM lParam1,
 216           LPARAM lParam2)
 217 {
 218     INT i = (INT)lParam1;
 219
 220     switch (uMsg)
 221     {
 222         case CPL_INIT:
 223             return TRUE;
 224
 225         case CPL_GETCOUNT:
 226             return NUM_APPLETS;
 227
 228         case CPL_INQUIRE:
 229             {
 230                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
 231                 CPlInfo->lData = 0;
 232                 CPlInfo->idIcon = Applets[i].idIcon;
 233                 CPlInfo->idName = Applets[i].idName;
 234                 CPlInfo->idInfo = Applets[i].idDescription;
 235             }
 236             break;
 237
 238         case CPL_DBLCLK:
 239             hCPLWindow = hwndCPl;
 240             Applets[i].AppletProc();
 241             break;
 242     }
 243
 244     return FALSE;
 245 }
 246
 247
 248 BOOL WINAPI
 249 DllMain(HINSTANCE hinstDLL,
 250         DWORD dwReason,
 251         LPVOID lpvReserved)
 252 {
 253     UNREFERENCED_PARAMETER(lpvReserved);
 254
 255     switch (dwReason)
 256     {
 257         case DLL_PROCESS_ATTACH:
 258         case DLL_THREAD_ATTACH:
 259             hApplet = hinstDLL;
 260             break;
 261     }
 262
 263   return TRUE;
 264 }
 265