reactos/base/applications/regedit/settings.c

   1 /*
   2  * Regedit settings
   3  *
   4  * Copyright (C) 2012 Edijs Kolesnikovics <terminedijs@yahoo.com>
   5  * Copyright (C) 2012 Grégori Macário Harbs <mysoft64bits at gmail dot com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <regedit.h>
  23
  24 const TCHAR g_szGeneralRegKey[] = _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit");
  25
  26 /*
  27 VV,VV,VV,VV,WA,WA,WA,WA,WB,WB,WB,WB,R1,R1,R1,R1
  28 R2,R2,R2,R2,R3,R3,R3,R3,R4,R4,R4,r4,LL,LL,LL,LL
  29 TT,TT,TT,TT,RR,RR,RR,RR,BB,BB,BB,BB,SS,SS,SS,SS
  30 NN,NN,NN,NN,KK,KK,KK,KK,DD,DD,DD,DD,SB,SB,SB,SB
  31
  32 VV = Version or Sanity? WINDOWPLACEMENT? (2C?)
  33 WA = (0=restored / 1=maximized)
  34 WB = (1=restored / 3=maximized)
  35 R1 = ???? \
  36 R2 = ???? | either those are reserved unused or they will
  37 R3 = ???? | have IP/INFO if connected to remote registry
  38 R4 = ???? /
  39 LL = Left position of window
  40 TT = top position of window
  41 RR = right position of window
  42 BB = bottom position of window
  43 SS = size of key tree view (splitter)
  44 NN = size of 'name' column
  45 KK = size of 'type' column (kind)
  46 DD = size of 'data' coumn
  47 SB = status bar (1=visible / 0=hidden)
  48 */
  49
  50 typedef struct{
  51 WINDOWPLACEMENT       tPlacement;
  52 int                   TreeViewSize;
  53 int                   NameColumnSize;
  54 int                   TypeColumnSize;
  55 int                   DataColumnSize;
  56 BOOL                  StatusBarVisible;
  57 } RegistryBinaryConfig;
  58
  59 extern void LoadSettings(void)
  60 {
  61     HKEY hKey = NULL;
  62     TCHAR szBuffer[MAX_PATH];
  63
  64     if (RegOpenKey(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
  65     {
  66         RegistryBinaryConfig tConfig;
  67         DWORD iBufferSize = sizeof(tConfig);
  68
  69         if (RegQueryValueEx(hKey, L"View", NULL, NULL, (LPBYTE)&tConfig, &iBufferSize) == ERROR_SUCCESS)
  70         {
  71             if ( iBufferSize == sizeof(tConfig) )
  72             {
  73                 RECT rcTemp;
  74
  75                 /* Update status bar settings */
  76                 CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND|(tConfig.StatusBarVisible ? MF_CHECKED : MF_UNCHECKED));
  77                 ShowWindow(hStatusBar, (tConfig.StatusBarVisible ? SW_SHOW : SW_HIDE));
  78
  79                 /* Update listview column width */
  80                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 0, tConfig.NameColumnSize);
  81                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 1, tConfig.TypeColumnSize);
  82                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 2, tConfig.DataColumnSize);
  83
  84                 /* Update treeview (splitter) */
  85                 GetClientRect(hFrameWnd, &rcTemp);
  86                 g_pChildWnd->nSplitPos = tConfig.TreeViewSize;
  87                 ResizeWnd(rcTemp.right, rcTemp.bottom);
  88
  89                 /* Apply program window settings */
  90                 tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
  91                 if (SetWindowPlacement(hFrameWnd, &tConfig.tPlacement) == FALSE)
  92                     /* In case we fail, show normal */
  93                     ShowWindow(hFrameWnd, SW_SHOWNORMAL);
  94             }
  95         }
  96
  97         /* Restore key position */
  98         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("LastKey"), szBuffer, COUNT_OF(szBuffer)) == ERROR_SUCCESS)
  99         {
 100             SelectNode(g_pChildWnd->hTreeWnd, szBuffer);
 101         }
 102
 103     RegCloseKey(hKey);
 104     }
 105     else
 106     {
 107         /* Failed to open key, show normal */
 108         ShowWindow(hFrameWnd, SW_SHOWNORMAL);
 109     }
 110 }
 111
 112 extern void SaveSettings(void)
 113 {
 114     HKEY hKey = NULL;
 115
 116     if (RegCreateKey(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 117     {
 118         if (RegOpenKey(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 119         {
 120             RegistryBinaryConfig tConfig;
 121             DWORD iBufferSize = sizeof(tConfig);
 122             TCHAR szBuffer[MAX_PATH];
 123             LPCTSTR keyPath, rootName;
 124             HKEY hRootKey;
 125
 126             /* Save key position */
 127             keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hRootKey);
 128             if (keyPath)
 129             {
 130                 rootName = get_root_key_name(hRootKey);
 131                 _sntprintf(szBuffer, COUNT_OF(szBuffer), _T("My Computer\\%s\\%s"), rootName, keyPath);
 132                 RegSetValueEx(hKey, _T("LastKey"), 0, REG_SZ, (LPBYTE) szBuffer, (DWORD) _tcslen(szBuffer) * sizeof(szBuffer[0]));
 133             }
 134
 135             /* Get statusbar settings */
 136             tConfig.StatusBarVisible = ((GetMenuState(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND) & MF_CHECKED) ? 1 : 0 );
 137
 138             /* Get splitter position */
 139             tConfig.TreeViewSize = g_pChildWnd->nSplitPos;
 140
 141             /* Get list view column width*/
 142             tConfig.NameColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 0);
 143             tConfig.TypeColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 1);
 144             tConfig.DataColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 2);
 145
 146             /* Get program window settings */
 147             tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
 148             GetWindowPlacement(hFrameWnd , &tConfig.tPlacement);
 149
 150             /* Save all the data */
 151             RegSetValueEx(hKey, L"View", 0, REG_BINARY, (LPBYTE)&tConfig, iBufferSize);
 152
 153             RegCloseKey(hKey);
 154         }
 155     }
 156 }