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 #include <cpl.h>
  13
  14 #define NUM_APPLETS     (1)
  15
  16 LONG CALLBACK SystemApplet(VOID);
  17 HINSTANCE hApplet = 0;
  18 HWND hCPLWindow;
  19
  20 /* Applets */
  21 APPLET Applets[NUM_APPLETS] =
  22 {
  23     {IDI_CPLACCESS, IDS_CPLSYSTEMNAME, IDS_CPLSYSTEMDESCRIPTION, SystemApplet}
  24 };
  25
  26
  27 static BOOL
  28 ReadSettings(PGLOBAL_DATA pGlobalData)
  29 {
  30     DWORD dwDisposition;
  31     DWORD dwLength;
  32     HKEY hKey;
  33     LONG lError;
  34
  35     /* Get sticky keys information */
  36     pGlobalData->stickyKeys.cbSize = sizeof(STICKYKEYS);
  37     if (!SystemParametersInfo(SPI_GETSTICKYKEYS,
  38                               sizeof(STICKYKEYS),
  39                               &pGlobalData->stickyKeys,
  40                               0))
  41         return FALSE;
  42
  43     /* Get filter keys information */
  44     pGlobalData->filterKeys.cbSize = sizeof(FILTERKEYS);
  45     if (!SystemParametersInfo(SPI_GETFILTERKEYS,
  46                               sizeof(FILTERKEYS),
  47                               &pGlobalData->filterKeys,
  48                               0))
  49         return FALSE;
  50
  51     /* Get toggle keys information */
  52     pGlobalData->toggleKeys.cbSize = sizeof(TOGGLEKEYS);
  53     if (!SystemParametersInfo(SPI_GETTOGGLEKEYS,
  54                               sizeof(TOGGLEKEYS),
  55                               &pGlobalData->toggleKeys,
  56                               0))
  57         return FALSE;
  58
  59     /* Get keyboard preference information */
  60     if (!SystemParametersInfo(SPI_GETKEYBOARDPREF,
  61                               0,
  62                               &pGlobalData->bKeyboardPref,
  63                               0))
  64         return FALSE;
  65
  66     /* Get high contrast information */
  67     pGlobalData->highContrast.cbSize = sizeof(HIGHCONTRAST);
  68     SystemParametersInfo(SPI_GETHIGHCONTRAST,
  69                          sizeof(HIGHCONTRAST),
  70                          &pGlobalData->highContrast,
  71                          0);
  72
  73     SystemParametersInfo(SPI_GETCARETWIDTH,
  74                          0,
  75                          &pGlobalData->uCaretWidth,
  76                          0);
  77
  78     pGlobalData->uCaretBlinkTime = GetCaretBlinkTime();
  79
  80     /* Get sound settings */
  81     pGlobalData->ssSoundSentry.cbSize = sizeof(SOUNDSENTRY);
  82     SystemParametersInfo(SPI_GETSOUNDSENTRY,
  83                          sizeof(SOUNDSENTRY),
  84                          &pGlobalData->ssSoundSentry,
  85                          0);
  86
  87     SystemParametersInfo(SPI_GETSHOWSOUNDS,
  88                          0,
  89                          &pGlobalData->bShowSounds,
  90                          0);
  91
  92     /* Get mouse keys information */
  93     pGlobalData->mouseKeys.cbSize = sizeof(MOUSEKEYS);
  94     SystemParametersInfo(SPI_GETMOUSEKEYS,
  95                          sizeof(MOUSEKEYS),
  96                          &pGlobalData->mouseKeys,
  97                          0);
  98
  99     /* Get access timeout information */
 100     pGlobalData->accessTimeout.cbSize = sizeof(ACCESSTIMEOUT);
 101     SystemParametersInfo(SPI_GETACCESSTIMEOUT,
 102                          sizeof(ACCESSTIMEOUT),
 103                          &pGlobalData->accessTimeout,
 104                          0);
 105
 106     /* Get serial keys information */
 107     pGlobalData->serialKeys.cbSize = sizeof(SERIALKEYS);
 108     pGlobalData->serialKeys.lpszActivePort = pGlobalData->szActivePort;
 109     pGlobalData->serialKeys.lpszPort = pGlobalData->szPort;
 110     SystemParametersInfo(SPI_GETSERIALKEYS,
 111                          sizeof(SERIALKEYS),
 112                          &pGlobalData->serialKeys,
 113                          0);
 114
 115     pGlobalData->bWarningSounds = TRUE;
 116     pGlobalData->bSoundOnActivation = TRUE;
 117
 118     lError = RegCreateKeyEx(HKEY_CURRENT_USER,
 119                             _T("Control Panel\\Accessibility"),
 120                             0,
 121                             NULL,
 122                             REG_OPTION_NON_VOLATILE,
 123                             KEY_EXECUTE | KEY_QUERY_VALUE,
 124                             NULL,
 125                             &hKey,
 126                             &dwDisposition);
 127     if (lError != ERROR_SUCCESS)
 128         return TRUE;
 129
 130     dwLength = sizeof(BOOL);
 131     lError = RegQueryValueEx(hKey,
 132                              _T("Warning Sounds"),
 133                              NULL,
 134                              NULL,
 135                              (LPBYTE)&pGlobalData->bWarningSounds,
 136                              &dwLength);
 137     if (lError != ERROR_SUCCESS)
 138         pGlobalData->bWarningSounds = TRUE;
 139
 140     dwLength = sizeof(BOOL);
 141     lError = RegQueryValueEx(hKey,
 142                              _T("Sound On Activation"),
 143                              NULL,
 144                              NULL,
 145                              (LPBYTE)&pGlobalData->bSoundOnActivation,
 146                              &dwLength);
 147     if (lError != ERROR_SUCCESS)
 148         pGlobalData->bSoundOnActivation = TRUE;
 149
 150     RegCloseKey(hKey);
 151
 152     return TRUE;
 153 }
 154
 155
 156 static VOID
 157 InitPropSheetPage(PROPSHEETPAGE *psp, WORD idDlg, DLGPROC DlgProc, PGLOBAL_DATA pGlobalData)
 158 {
 159     ZeroMemory(psp, sizeof(PROPSHEETPAGE));
 160     psp->dwSize = sizeof(PROPSHEETPAGE);
 161     psp->dwFlags = PSP_DEFAULT;
 162     psp->hInstance = hApplet;
 163     psp->pszTemplate = MAKEINTRESOURCE(idDlg);
 164     psp->pfnDlgProc = DlgProc;
 165     psp->lParam = (LPARAM)pGlobalData;
 166 }
 167
 168 static int CALLBACK
 169 PropSheetProc(HWND hwndDlg, UINT uMsg, LPARAM lParam)
 170 {
 171     // NOTE: This callback is needed to set large icon correctly.
 172     HICON hIcon;
 173     switch (uMsg)
 174     {
 175         case PSCB_INITIALIZED:
 176         {
 177             hIcon = LoadIconW(hApplet, MAKEINTRESOURCEW(IDI_CPLACCESS));
 178             SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
 179             break;
 180         }
 181     }
 182     return 0;
 183 }
 184
 185 /* First Applet */
 186
 187 LONG CALLBACK
 188 SystemApplet(VOID)
 189 {
 190     PGLOBAL_DATA pGlobalData;
 191     PROPSHEETPAGE psp[5];
 192     PROPSHEETHEADER psh;
 193     TCHAR Caption[1024];
 194     INT ret;
 195
 196     LoadString(hApplet, IDS_CPLSYSTEMNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
 197
 198     pGlobalData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
 199     if (pGlobalData == NULL)
 200         return 0;
 201
 202     if (!ReadSettings(pGlobalData))
 203     {
 204         HeapFree(GetProcessHeap(), 0, pGlobalData);
 205         return 0;
 206     }
 207
 208     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 209     psh.dwSize = sizeof(PROPSHEETHEADER);
 210     psh.dwFlags =  PSH_PROPSHEETPAGE | PSH_USEICONID | PSH_USECALLBACK;
 211     psh.hwndParent = hCPLWindow;
 212     psh.hInstance = hApplet;
 213     psh.pszIcon = MAKEINTRESOURCEW(IDI_CPLACCESS);
 214     psh.pszCaption = Caption;
 215     psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
 216     psh.nStartPage = 0;
 217     psh.ppsp = psp;
 218     psh.pfnCallback = PropSheetProc;
 219
 220     InitPropSheetPage(&psp[0], IDD_PROPPAGEKEYBOARD, KeyboardPageProc, pGlobalData);
 221     InitPropSheetPage(&psp[1], IDD_PROPPAGESOUND, SoundPageProc, pGlobalData);
 222     InitPropSheetPage(&psp[2], IDD_PROPPAGEDISPLAY, DisplayPageProc, pGlobalData);
 223     InitPropSheetPage(&psp[3], IDD_PROPPAGEMOUSE, MousePageProc, pGlobalData);
 224     InitPropSheetPage(&psp[4], IDD_PROPPAGEGENERAL, GeneralPageProc, pGlobalData);
 225
 226     ret = PropertySheet(&psh);
 227
 228     HeapFree(GetProcessHeap(), 0, pGlobalData);
 229
 230     return (LONG)(ret != -1);
 231 }
 232
 233 /* Control Panel Callback */
 234 LONG CALLBACK
 235 CPlApplet(HWND hwndCPl,
 236           UINT uMsg,
 237           LPARAM lParam1,
 238           LPARAM lParam2)
 239 {
 240     INT i = (INT)lParam1;
 241
 242     switch (uMsg)
 243     {
 244         case CPL_INIT:
 245             return TRUE;
 246
 247         case CPL_GETCOUNT:
 248             return NUM_APPLETS;
 249
 250         case CPL_INQUIRE:
 251             {
 252                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
 253                 CPlInfo->lData = 0;
 254                 CPlInfo->idIcon = Applets[i].idIcon;
 255                 CPlInfo->idName = Applets[i].idName;
 256                 CPlInfo->idInfo = Applets[i].idDescription;
 257             }
 258             break;
 259
 260         case CPL_DBLCLK:
 261             hCPLWindow = hwndCPl;
 262             Applets[i].AppletProc();
 263             break;
 264     }
 265
 266     return FALSE;
 267 }
 268
 269
 270 BOOL WINAPI
 271 DllMain(HINSTANCE hinstDLL,
 272         DWORD dwReason,
 273         LPVOID lpvReserved)
 274 {
 275     UNREFERENCED_PARAMETER(lpvReserved);
 276
 277     switch (dwReason)
 278     {
 279         case DLL_PROCESS_ATTACH:
 280         case DLL_THREAD_ATTACH:
 281             hApplet = hinstDLL;
 282             break;
 283     }
 284
 285   return TRUE;
 286 }
 287