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
 169 /* First Applet */
 170
 171 LONG CALLBACK
 172 SystemApplet(VOID)
 173 {
 174     PGLOBAL_DATA pGlobalData;
 175     PROPSHEETPAGE psp[5];
 176     PROPSHEETHEADER psh;
 177     TCHAR Caption[1024];
 178     INT ret;
 179
 180     LoadString(hApplet, IDS_CPLSYSTEMNAME, Caption, sizeof(Caption) / sizeof(TCHAR));
 181
 182     pGlobalData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
 183     if (pGlobalData == NULL)
 184         return 0;
 185
 186     if (!ReadSettings(pGlobalData))
 187     {
 188         HeapFree(GetProcessHeap(), 0, pGlobalData);
 189         return 0;
 190     }
 191
 192     ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
 193     psh.dwSize = sizeof(PROPSHEETHEADER);
 194     psh.dwFlags =  PSH_PROPSHEETPAGE;
 195     psh.hwndParent = hCPLWindow;
 196     psh.hInstance = hApplet;
 197     psh.hIcon = LoadIcon(hApplet, MAKEINTRESOURCE(IDI_CPLACCESS));
 198     psh.pszCaption = Caption;
 199     psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
 200     psh.nStartPage = 0;
 201     psh.ppsp = psp;
 202
 203     InitPropSheetPage(&psp[0], IDD_PROPPAGEKEYBOARD, (DLGPROC)KeyboardPageProc, pGlobalData);
 204     InitPropSheetPage(&psp[1], IDD_PROPPAGESOUND, (DLGPROC)SoundPageProc, pGlobalData);
 205     InitPropSheetPage(&psp[2], IDD_PROPPAGEDISPLAY, (DLGPROC)DisplayPageProc, pGlobalData);
 206     InitPropSheetPage(&psp[3], IDD_PROPPAGEMOUSE, (DLGPROC)MousePageProc, pGlobalData);
 207     InitPropSheetPage(&psp[4], IDD_PROPPAGEGENERAL, (DLGPROC)GeneralPageProc, pGlobalData);
 208
 209     ret = PropertySheet(&psh);
 210
 211     HeapFree(GetProcessHeap(), 0, pGlobalData);
 212
 213     return (LONG)(ret != -1);
 214 }
 215
 216 /* Control Panel Callback */
 217 LONG CALLBACK
 218 CPlApplet(HWND hwndCPl,
 219           UINT uMsg,
 220           LPARAM lParam1,
 221           LPARAM lParam2)
 222 {
 223     INT i = (INT)lParam1;
 224
 225     switch (uMsg)
 226     {
 227         case CPL_INIT:
 228             return TRUE;
 229
 230         case CPL_GETCOUNT:
 231             return NUM_APPLETS;
 232
 233         case CPL_INQUIRE:
 234             {
 235                 CPLINFO *CPlInfo = (CPLINFO*)lParam2;
 236                 CPlInfo->lData = 0;
 237                 CPlInfo->idIcon = Applets[i].idIcon;
 238                 CPlInfo->idName = Applets[i].idName;
 239                 CPlInfo->idInfo = Applets[i].idDescription;
 240             }
 241             break;
 242
 243         case CPL_DBLCLK:
 244             hCPLWindow = hwndCPl;
 245             Applets[i].AppletProc();
 246             break;
 247     }
 248
 249     return FALSE;
 250 }
 251
 252
 253 BOOL WINAPI
 254 DllMain(HINSTANCE hinstDLL,
 255         DWORD dwReason,
 256         LPVOID lpvReserved)
 257 {
 258     UNREFERENCED_PARAMETER(lpvReserved);
 259
 260     switch (dwReason)
 261     {
 262         case DLL_PROCESS_ATTACH:
 263         case DLL_THREAD_ATTACH:
 264             hApplet = hinstDLL;
 265             break;
 266     }
 267
 268   return TRUE;
 269 }
 270