[ekohl] 26655: Save user cursor schemes using the environment variables SystemRoot, USERPROFILE or ProgramFiles in the cursor paths instead of absolute paths.

Author: ekohl
Date: Wed May  9 02:13:18 2007
New Revision: 26655

URL: http://svn.reactos.org/svn/reactos?rev=26655&view=rev
Log:
Save user cursor schemes using the environment variables SystemRoot, USERPROFILE or ProgramFiles in the cursor paths instead of absolute paths.

Modified:
    trunk/reactos/dll/cpl/main/mouse.c

Modified: trunk/reactos/dll/cpl/main/mouse.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/cpl/main/mouse.c?rev=26...
==============================================================================
--- trunk/reactos/dll/cpl/main/mouse.c (original)
+++ trunk/reactos/dll/cpl/main/mouse.c Wed May  9 02:13:18 2007
@@ -424,6 +424,42 @@
 }

+static VOID
+CompressPath(LPTSTR lpShortPath, LPTSTR lpPath)
+{
+    TCHAR szUserProfile[MAX_PATH];
+    TCHAR szSystemRoot[MAX_PATH];
+    TCHAR szProgramFiles[MAX_PATH];
+    DWORD dwUserProfile;
+    DWORD dwSystemRoot;
+    DWORD dwProgramFiles;
+
+    dwUserProfile = GetEnvironmentVariable(_T("USERPROFILE"), szUserProfile, MAX_PATH);
+    dwSystemRoot = GetEnvironmentVariable(_T("SystemRoot"), szSystemRoot, MAX_PATH);
+    dwProgramFiles = GetEnvironmentVariable(_T("ProgramFiles"), szProgramFiles, MAX_PATH);
+
+    if (dwUserProfile > 0 && _tcsncmp(lpPath, szUserProfile, dwUserProfile) == 0)
+    {
+        _tcscpy(lpShortPath, _T("%USERPROFILE%"));
+        _tcscat(lpShortPath, &lpPath[dwUserProfile]);
+    }
+    else if (dwSystemRoot > 0 && _tcsncmp(lpPath, szSystemRoot, dwSystemRoot) == 0)
+    {
+        _tcscpy(lpShortPath, _T("%SystemRoot%"));
+        _tcscat(lpShortPath, &lpPath[dwSystemRoot]);
+    }
+    else if (dwProgramFiles > 0 && _tcsncmp(lpPath, szProgramFiles, dwProgramFiles) == 0)
+    {
+        _tcscpy(lpShortPath, _T("%ProgramFiles%"));
+        _tcscat(lpShortPath, &lpPath[dwProgramFiles]);
+    }
+    else
+    {
+        _tcscpy(lpShortPath, lpPath);
+    }
+}
+
+
 static BOOL
 EnumerateCursorSchemes(HWND hwndDlg)
 {
@@ -433,6 +469,7 @@
     DWORD dwValueName;
     TCHAR szSystemScheme[MAX_PATH];
     TCHAR szValueData[2000];
+    TCHAR szTempData[2000];
     DWORD dwValueData;
     LONG lError;
     HWND hDlgCtrl;
@@ -446,6 +483,50 @@
                           0, KEY_READ | KEY_QUERY_VALUE , &hCursorKey);
     if (lError == ERROR_SUCCESS)
     {
+        for (dwIndex = 0;; dwIndex++)
+        {
+            dwValueName = sizeof(szValueName) / sizeof(TCHAR);
+            dwValueData = sizeof(szValueData) / sizeof(TCHAR);
+            lError = RegEnumValue(hCursorKey, dwIndex, szValueName, &dwValueName,
+                                  NULL, NULL, (LPBYTE)szValueData, &dwValueData);
+            if (lError == ERROR_NO_MORE_ITEMS)
+                break;
+
+            ExpandEnvironmentStrings(szValueData, szTempData, 2000);
+
+            if (_tcslen(szTempData) > 0)
+            {
+                LPTSTR lpCopy, lpStart;
+
+                /* Remove quotation marks */
+                if (szTempData[0] == _T('"'))
+                {
+                    lpStart = szValueData + 1;
+                    szTempData[_tcslen(szTempData) - 1] = 0;
+                }
+                else
+                {
+                    lpStart = szTempData;
+                }
+
+                lpCopy = _tcsdup(lpStart);
+
+                lResult = SendMessage(hDlgCtrl, CB_ADDSTRING, (WPARAM)0, (LPARAM)szValueName);
+                SendMessage(hDlgCtrl, CB_SETITEMDATA, (WPARAM)lResult, (LPARAM)lpCopy);
+            }
+        }
+
+        RegCloseKey(hCursorKey);
+    }
+
+    /* Read the system cursor schemes */
+    lError = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
+                          _T("SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Cursors\Schemes"),
+                          0, KEY_READ | KEY_QUERY_VALUE , &hCursorKey);
+    if (lError == ERROR_SUCCESS)
+    {
+        LoadString(hApplet, IDS_SYSTEM_SCHEME, szSystemScheme, MAX_PATH);
+
         for (dwIndex = 0;; dwIndex++)
         {
             dwValueName = sizeof(szValueName) / sizeof(TCHAR);
@@ -472,48 +553,6 @@

lpCopy = _tcsdup(lpStart);

-                lResult = SendMessage(hDlgCtrl, CB_ADDSTRING, (WPARAM)0, (LPARAM)szValueName);
-                SendMessage(hDlgCtrl, CB_SETITEMDATA, (WPARAM)lResult, (LPARAM)lpCopy);
-            }
-        }
-
-        RegCloseKey(hCursorKey);
-    }
-
-    /* Read the system cursor schemes */
-    lError = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
-                          _T("SOFTWARE\Microsoft\Windows\CurrentVersion\Control Panel\Cursors\Schemes"),
-                          0, KEY_READ | KEY_QUERY_VALUE , &hCursorKey);
-    if (lError == ERROR_SUCCESS)
-    {
-        LoadString(hApplet, IDS_SYSTEM_SCHEME, szSystemScheme, MAX_PATH);
-
-        for (dwIndex = 0;; dwIndex++)
-        {
-            dwValueName = sizeof(szValueName) / sizeof(TCHAR);
-            dwValueData = sizeof(szValueData) / sizeof(TCHAR);
-            lError = RegEnumValue(hCursorKey, dwIndex, szValueName, &dwValueName,
-                                  NULL, NULL, (LPBYTE)szValueData, &dwValueData);
-            if (lError == ERROR_NO_MORE_ITEMS)
-                break;
-
-            if (_tcslen(szValueData) > 0)
-            {
-                LPTSTR lpCopy, lpStart;
-
-                /* Remove quotation marks */
-                if (szValueData[0] == _T('"'))
-                {
-                    lpStart = szValueData + 1;
-                    szValueData[_tcslen(szValueData) - 1] = 0;
-                }
-                else
-                {
-                    lpStart = szValueData;
-                }
-
-                lpCopy = _tcsdup(lpStart);
-
                 _tcscat(szValueName, TEXT(" "));
                 _tcscat(szValueName, szSystemScheme);

@@ -661,6 +700,7 @@
     TCHAR szSystemScheme[MAX_PATH];
     TCHAR szSchemeName[MAX_PATH];
     TCHAR szNewSchemeName[MAX_PATH];
+    TCHAR szTempPath[MAX_PATH];
     TCHAR szTitle[128];
     TCHAR szText[256];
     INT nSel;
@@ -739,9 +779,10 @@

for (index = IDS_ARROW, i = 0; index <= IDS_HAND; index++, i++)
     {
+        CompressPath(szTempPath, g_CursorData[i].szCursorPath);
         if (i > 0)
             _tcscat(lpSchemeData, _T(","));
-        _tcscat(lpSchemeData, g_CursorData[i].szCursorPath);
+        _tcscat(lpSchemeData, szTempPath);
     }

if (RegOpenCurrentUser(KEY_READ | KEY_SET_VALUE, &hCuKey) != ERROR_SUCCESS)
@@ -753,8 +794,9 @@
         return FALSE;
     }

-    lError = RegSetValueEx(hCuCursorKey, szNewSchemeName, 0, REG_EXPAND_SZ,
-                           (LPBYTE)lpSchemeData, nLength * sizeof(TCHAR));
+    lError = RegSetValueEx(hCuCursorKey, szNewSchemeName, 0,
+                           REG_EXPAND_SZ, (LPBYTE)lpSchemeData,
+                           (_tcslen(lpSchemeData) + 1) * sizeof(TCHAR));

RegCloseKey(hCuCursorKey);
     RegCloseKey(hCuKey);
@@ -1080,6 +1122,7 @@
 {
     TCHAR szSchemeName[MAX_PATH];
     TCHAR szSystemScheme[MAX_PATH];
+    TCHAR szTempPath[MAX_PATH];
     LPTSTR lpSchemeData;
     DWORD dwNameLength;
     DWORD dwSchemeSource;
@@ -1131,9 +1174,10 @@

for (index = IDS_ARROW, i = 0; index <= IDS_HAND; index++, i++)
     {
+        CompressPath(szTempPath, g_CursorData[i].szCursorPath);
         RegSetValueEx(hCursorKey, g_CursorData[i].lpValueName, 0,
-                      REG_EXPAND_SZ, (LPBYTE)g_CursorData[i].szCursorPath,
-                      (_tcslen(g_CursorData[i].szCursorPath) + 1) * sizeof(TCHAR));
+                      REG_EXPAND_SZ, (LPBYTE)szTempPath,
+                      (_tcslen(szTempPath) + 1) * sizeof(TCHAR));
     }

RegCloseKey(hCursorKey);