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 WCHAR g_szGeneralRegKey[] = L"Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit";
  25 DECLSPEC_IMPORT ULONG WINAPIV DbgPrint(PCCH Format,...);
  26
  27 /*
  28 VV,VV,VV,VV,WA,WA,WA,WA,WB,WB,WB,WB,R1,R1,R1,R1
  29 R2,R2,R2,R2,R3,R3,R3,R3,R4,R4,R4,r4,LL,LL,LL,LL
  30 TT,TT,TT,TT,RR,RR,RR,RR,BB,BB,BB,BB,SS,SS,SS,SS
  31 NN,NN,NN,NN,KK,KK,KK,KK,DD,DD,DD,DD,SB,SB,SB,SB
  32
  33 VV = Version or Sanity? WINDOWPLACEMENT? (2C?)
  34 WA = (0=restored / 1=maximized)
  35 WB = (1=restored / 3=maximized)
  36 R1 = ???? \
  37 R2 = ???? | either those are reserved unused or they will
  38 R3 = ???? | have IP/INFO if connected to remote registry
  39 R4 = ???? /
  40 LL = Left position of window
  41 TT = top position of window
  42 RR = right position of window
  43 BB = bottom position of window
  44 SS = size of key tree view (splitter)
  45 NN = size of 'name' column
  46 KK = size of 'type' column (kind)
  47 DD = size of 'data' coumn
  48 SB = status bar (1=visible / 0=hidden)
  49 */
  50
  51 typedef struct
  52 {
  53     WINDOWPLACEMENT tPlacement;
  54     int             TreeViewSize;
  55     int             NameColumnSize;
  56     int             TypeColumnSize;
  57     int             DataColumnSize;
  58     BOOL            StatusBarVisible;
  59 } RegistryBinaryConfig;
  60
  61 extern void LoadSettings(void)
  62 {
  63     HKEY hKey = NULL;
  64     WCHAR szBuffer[MAX_PATH];
  65
  66     if (RegOpenKeyW(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
  67     {
  68         RegistryBinaryConfig tConfig;
  69         DWORD iBufferSize = sizeof(tConfig);
  70         BOOL bVisible = FALSE;
  71
  72         if (RegQueryValueExW(hKey, L"View", NULL, NULL, (LPBYTE)&tConfig, &iBufferSize) == ERROR_SUCCESS)
  73         {
  74             if (iBufferSize == sizeof(tConfig))
  75             {
  76                 RECT rcTemp;
  77
  78                 /* Update status bar settings */
  79                 CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND | (tConfig.StatusBarVisible ? MF_CHECKED : MF_UNCHECKED));
  80                 ShowWindow(hStatusBar, (tConfig.StatusBarVisible ? SW_SHOW : SW_HIDE));
  81
  82                 /* Update listview column width */
  83                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 0, tConfig.NameColumnSize);
  84                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 1, tConfig.TypeColumnSize);
  85                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 2, tConfig.DataColumnSize);
  86
  87                 /* Update treeview (splitter) */
  88                 GetClientRect(hFrameWnd, &rcTemp);
  89                 g_pChildWnd->nSplitPos = tConfig.TreeViewSize;
  90                 ResizeWnd(rcTemp.right, rcTemp.bottom);
  91
  92                 /* Apply program window settings */
  93                 tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
  94                 bVisible = SetWindowPlacement(hFrameWnd, &tConfig.tPlacement);
  95             }
  96         }
  97
  98         /* In case we fail to restore the window, or open the key, show normal */
  99         if (!bVisible)
 100             ShowWindow(hFrameWnd, SW_SHOWNORMAL);
 101
 102         /* Restore key position */
 103         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, L"LastKey", szBuffer, ARRAY_SIZE(szBuffer)) == ERROR_SUCCESS)
 104         {
 105             SelectNode(g_pChildWnd->hTreeWnd, szBuffer);
 106         }
 107
 108         RegCloseKey(hKey);
 109     }
 110     else
 111     {
 112         /* Failed to open key, show normal */
 113         ShowWindow(hFrameWnd, SW_SHOWNORMAL);
 114     }
 115 }
 116
 117 extern void SaveSettings(void)
 118 {
 119     HKEY hKey = NULL;
 120
 121     if (RegCreateKeyW(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 122     {
 123         RegistryBinaryConfig tConfig;
 124         DWORD iBufferSize = sizeof(tConfig);
 125         WCHAR szBuffer[MAX_PATH]; /* FIXME: a complete registry path can be longer than that */
 126         LPCWSTR keyPath, rootName;
 127         HKEY hRootKey;
 128
 129         /* Save key position */
 130         keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hRootKey);
 131         rootName = get_root_key_name(hRootKey);
 132
 133         /* Load "My Computer" string and complete it */
 134         if (LoadStringW(hInst, IDS_MY_COMPUTER, szBuffer, ARRAY_SIZE(szBuffer)) &&
 135             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), L"\\")) &&
 136             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), rootName)) &&
 137             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), L"\\")))
 138         {
 139             HRESULT hr = S_OK;
 140             if (keyPath)
 141                 hr = StringCbCatW(szBuffer, sizeof(szBuffer), keyPath);
 142             if (SUCCEEDED(hr))
 143                 RegSetValueExW(hKey, L"LastKey", 0, REG_SZ, (LPBYTE)szBuffer, (DWORD)wcslen(szBuffer) * sizeof(WCHAR));
 144             else
 145                 DbgPrint("err: (%s:%d): Buffer not big enough for '%S + %S'\n", __FILE__, __LINE__, rootName, keyPath);
 146         }
 147         else
 148         {
 149             DbgPrint("err: (%s:%d): Buffer not big enough for '%S'\n", __FILE__, __LINE__, rootName);
 150         }
 151
 152         /* Get statusbar settings */
 153         tConfig.StatusBarVisible = ((GetMenuState(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND) & MF_CHECKED) ? 1 : 0);
 154
 155         /* Get splitter position */
 156         tConfig.TreeViewSize = g_pChildWnd->nSplitPos;
 157
 158         /* Get list view column width*/
 159         tConfig.NameColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 0);
 160         tConfig.TypeColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 1);
 161         tConfig.DataColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 2);
 162
 163         /* Get program window settings */
 164         tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
 165         GetWindowPlacement(hFrameWnd, &tConfig.tPlacement);
 166
 167         /* Save all the data */
 168         RegSetValueExW(hKey, L"View", 0, REG_BINARY, (LPBYTE)&tConfig, iBufferSize);
 169
 170         RegCloseKey(hKey);
 171     }
 172 }
 173 /* EOF */