reactos/base/applications/control/control.c

   1 /*
   2  * PROJECT:         ReactOS System Control Panel
   3  * FILE:            base/applications/control/control.c
   4  * PURPOSE:         ReactOS System Control Panel
   5  * PROGRAMMERS:     Gero Kuehn (reactos.filter@gkware.com)
   6  *                  Colin Finck (mail@colinfinck.de)
   7  */
   8
   9 #include <stdio.h>
  10
  11 #define WIN32_NO_STATUS
  12
  13 #include <windef.h>
  14 #include <winbase.h>
  15 #include <winuser.h>
  16 #include <winreg.h>
  17 #include <shellapi.h>
  18
  19 #include "resource.h"
  20
  21 #define MAX_VALUE_NAME 16383
  22
  23 /*
  24  * Macro for calling "rundll32.exe"
  25  * According to MSDN, ShellExecute returns a value greater than 32
  26  * if the operation was successful.
  27  */
  28 #define RUNDLL(param)   \
  29     ((INT_PTR)ShellExecuteW(NULL, L"open", L"rundll32.exe", (param), NULL, SW_SHOWDEFAULT) > 32)
  30
  31 VOID
  32 WINAPI
  33 Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow);
  34
  35 static INT
  36 OpenShellFolder(LPWSTR lpFolderCLSID)
  37 {
  38     WCHAR szParameters[MAX_PATH];
  39
  40     /*
  41      * Open a shell folder using "explorer.exe". The passed CLSIDs
  42      * are all subfolders of the "Control Panel" shell folder.
  43      */
  44     wcscpy(szParameters, L"/n,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}");
  45     wcscat(szParameters, lpFolderCLSID);
  46
  47     return (INT_PTR)ShellExecuteW(NULL,
  48                                   L"open",
  49                                   L"explorer.exe",
  50                                   szParameters,
  51                                   NULL,
  52                                   SW_SHOWDEFAULT) > 32;
  53 }
  54
  55 static INT
  56 RunControlPanel(LPCWSTR lpCmd)
  57 {
  58     /*
  59      * Old method:
  60      *
  61     WCHAR szParameters[MAX_PATH];
  62     wcscpy(szParameters, L"shell32.dll,Control_RunDLL ");
  63     wcscat(szParameters, lpCmd);
  64     return RUNDLL(szParameters);
  65      */
  66
  67     /* New method: */
  68     Control_RunDLLW(GetDesktopWindow(), 0, lpCmd, SW_SHOW);
  69     return 1;
  70 }
  71
  72 INT
  73 WINAPI
  74 wWinMain(HINSTANCE hInstance,
  75          HINSTANCE hPrevInstance,
  76          LPWSTR lpCmdLine,
  77          INT nCmdShow)
  78 {
  79     HKEY hKey;
  80
  81     /* Show the control panel window if no argument or "panel" was passed */
  82     if (*lpCmdLine == 0 || !_wcsicmp(lpCmdLine, L"panel"))
  83         return OpenShellFolder(L"");
  84
  85     /* Check one of the built-in control panel handlers */
  86     if (!_wcsicmp(lpCmdLine, L"admintools"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524153}");
  87     else if (!_wcsicmp(lpCmdLine, L"color"))           return RunControlPanel(L"desk.cpl");       /* TODO: Switch to the "Apperance" tab */
  88     else if (!_wcsicmp(lpCmdLine, L"date/time"))       return RunControlPanel(L"timedate.cpl");
  89     else if (!_wcsicmp(lpCmdLine, L"desktop"))         return RunControlPanel(L"desk.cpl");
  90     else if (!_wcsicmp(lpCmdLine, L"folders"))         return RUNDLL(L"shell32.dll,Options_RunDLL");
  91     else if (!_wcsicmp(lpCmdLine, L"fonts"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524152}");
  92     else if (!_wcsicmp(lpCmdLine, L"infrared"))        return RunControlPanel(L"irprops.cpl");
  93     else if (!_wcsicmp(lpCmdLine, L"international"))   return RunControlPanel(L"intl.cpl");
  94     else if (!_wcsicmp(lpCmdLine, L"keyboard"))        return RunControlPanel(L"main.cpl @1");
  95     else if (!_wcsicmp(lpCmdLine, L"mouse"))           return RunControlPanel(L"main.cpl @0");
  96     else if (!_wcsicmp(lpCmdLine, L"netconnections"))  return OpenShellFolder(L"\\::{7007ACC7-3202-11D1-AAD2-00805FC1270E}");
  97     else if (!_wcsicmp(lpCmdLine, L"netware"))         return RunControlPanel(L"nwc.cpl");
  98     else if (!_wcsicmp(lpCmdLine, L"ports"))           return RunControlPanel(L"sysdm.cpl");      /* TODO: Switch to the "Computer Name" tab */
  99     else if (!_wcsicmp(lpCmdLine, L"printers"))        return OpenShellFolder(L"\\::{2227A280-3AEA-1069-A2DE-08002B30309D}");
 100     else if (!_wcsicmp(lpCmdLine, L"scannercamera"))   return OpenShellFolder(L"\\::{E211B736-43FD-11D1-9EFB-0000F8757FCD}");
 101     else if (!_wcsicmp(lpCmdLine, L"schedtasks"))      return OpenShellFolder(L"\\::{D6277990-4C6A-11CF-8D87-00AA0060F5BF}");
 102     else if (!_wcsicmp(lpCmdLine, L"telephony"))       return RunControlPanel(L"telephon.cpl");
 103     else if (!_wcsicmp(lpCmdLine, L"userpasswords"))   return RunControlPanel(L"nusrmgr.cpl");       /* Graphical User Account Manager */
 104     else if (!_wcsicmp(lpCmdLine, L"userpasswords2"))  return RUNDLL(L"netplwiz.dll,UsersRunDll");   /* Dialog based advanced User Account Manager */
 105
 106     /* It is none of them, so look for a handler in the registry */
 107     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
 108                       L"Software\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls",
 109                       0,
 110                       KEY_QUERY_VALUE,
 111                       &hKey) == ERROR_SUCCESS)
 112     {
 113         DWORD dwIndex;
 114
 115         for (dwIndex = 0; ; ++dwIndex)
 116         {
 117             DWORD dwDataSize;
 118             DWORD dwValueSize = MAX_VALUE_NAME;
 119             WCHAR szValueName[MAX_VALUE_NAME];
 120
 121             /* Get the value name and data size */
 122             if (RegEnumValueW(hKey,
 123                               dwIndex,
 124                               szValueName,
 125                               &dwValueSize,
 126                               0,
 127                               NULL,
 128                               NULL,
 129                               &dwDataSize) != ERROR_SUCCESS)
 130             {
 131                 break;
 132             }
 133
 134             /* Check if the parameter is the value name */
 135             if (!_wcsicmp(lpCmdLine, szValueName))
 136             {
 137                 /*
 138                  * Allocate memory for the data plus two more characters,
 139                  * so we can quote the file name if required.
 140                  */
 141                 LPWSTR pszData;
 142                 pszData = HeapAlloc(GetProcessHeap(),
 143                                     0,
 144                                     dwDataSize + 2 * sizeof(WCHAR));
 145                 ++pszData;
 146
 147                 /*
 148                  * This value is the one we are looking for, so get the data.
 149                  * It is the path to a .cpl file.
 150                  */
 151                 if (RegQueryValueExW(hKey,
 152                                      szValueName,
 153                                      0,
 154                                      NULL,
 155                                      (LPBYTE)pszData,
 156                                      &dwDataSize) == ERROR_SUCCESS)
 157                 {
 158                     INT nReturnValue;
 159
 160                     /* Quote the file name if required */
 161                     if (*pszData != L'\"')
 162                     {
 163                         *(--pszData) = L'\"';
 164                         pszData[dwDataSize / sizeof(WCHAR)] = L'\"';
 165                         pszData[(dwDataSize / sizeof(WCHAR)) + 1] = 0;
 166                     }
 167
 168                     nReturnValue = RunControlPanel(pszData);
 169                     HeapFree(GetProcessHeap(), 0, pszData);
 170                     RegCloseKey(hKey);
 171
 172                     return nReturnValue;
 173                 }
 174
 175                 HeapFree(GetProcessHeap(), 0, pszData);
 176             }
 177         }
 178
 179         RegCloseKey(hKey);
 180     }
 181
 182     /*
 183      * It's none of the known parameters, so interpret the parameter
 184      * as the file name of a control panel applet.
 185      */
 186     return RunControlPanel(lpCmdLine);
 187 }