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 #include <strsafe.h>
  24
  25 const WCHAR g_szGeneralRegKey[] = L"Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Regedit";
  26 DECLSPEC_IMPORT ULONG WINAPIV DbgPrint(PCH Format,...);
  27
  28 /*
  29 VV,VV,VV,VV,WA,WA,WA,WA,WB,WB,WB,WB,R1,R1,R1,R1
  30 R2,R2,R2,R2,R3,R3,R3,R3,R4,R4,R4,r4,LL,LL,LL,LL
  31 TT,TT,TT,TT,RR,RR,RR,RR,BB,BB,BB,BB,SS,SS,SS,SS
  32 NN,NN,NN,NN,KK,KK,KK,KK,DD,DD,DD,DD,SB,SB,SB,SB
  33
  34 VV = Version or Sanity? WINDOWPLACEMENT? (2C?)
  35 WA = (0=restored / 1=maximized)
  36 WB = (1=restored / 3=maximized)
  37 R1 = ???? \
  38 R2 = ???? | either those are reserved unused or they will
  39 R3 = ???? | have IP/INFO if connected to remote registry
  40 R4 = ???? /
  41 LL = Left position of window
  42 TT = top position of window
  43 RR = right position of window
  44 BB = bottom position of window
  45 SS = size of key tree view (splitter)
  46 NN = size of 'name' column
  47 KK = size of 'type' column (kind)
  48 DD = size of 'data' coumn
  49 SB = status bar (1=visible / 0=hidden)
  50 */
  51
  52 typedef struct
  53 {
  54     WINDOWPLACEMENT tPlacement;
  55     int             TreeViewSize;
  56     int             NameColumnSize;
  57     int             TypeColumnSize;
  58     int             DataColumnSize;
  59     BOOL            StatusBarVisible;
  60 } RegistryBinaryConfig;
  61
  62 extern void LoadSettings(void)
  63 {
  64     HKEY hKey = NULL;
  65     WCHAR szBuffer[MAX_PATH];
  66
  67     if (RegOpenKeyW(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
  68     {
  69         RegistryBinaryConfig tConfig;
  70         DWORD iBufferSize = sizeof(tConfig);
  71         BOOL bVisible = FALSE;
  72
  73         if (RegQueryValueExW(hKey, L"View", NULL, NULL, (LPBYTE)&tConfig, &iBufferSize) == ERROR_SUCCESS)
  74         {
  75             if (iBufferSize == sizeof(tConfig))
  76             {
  77                 RECT rcTemp;
  78
  79                 /* Update status bar settings */
  80                 CheckMenuItem(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND | (tConfig.StatusBarVisible ? MF_CHECKED : MF_UNCHECKED));
  81                 ShowWindow(hStatusBar, (tConfig.StatusBarVisible ? SW_SHOW : SW_HIDE));
  82
  83                 /* Update listview column width */
  84                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 0, tConfig.NameColumnSize);
  85                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 1, tConfig.TypeColumnSize);
  86                 (void)ListView_SetColumnWidth(g_pChildWnd->hListWnd, 2, tConfig.DataColumnSize);
  87
  88                 /* Update treeview (splitter) */
  89                 GetClientRect(hFrameWnd, &rcTemp);
  90                 g_pChildWnd->nSplitPos = tConfig.TreeViewSize;
  91                 ResizeWnd(rcTemp.right, rcTemp.bottom);
  92
  93                 /* Apply program window settings */
  94                 tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
  95                 bVisible = SetWindowPlacement(hFrameWnd, &tConfig.tPlacement);
  96             }
  97         }
  98
  99         /* In case we fail to restore the window, or open the key, show normal */
 100         if (!bVisible)
 101             ShowWindow(hFrameWnd, SW_SHOWNORMAL);
 102
 103         /* Restore key position */
 104         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, L"LastKey", szBuffer, COUNT_OF(szBuffer)) == ERROR_SUCCESS)
 105         {
 106             SelectNode(g_pChildWnd->hTreeWnd, szBuffer);
 107         }
 108
 109         RegCloseKey(hKey);
 110     }
 111     else
 112     {
 113         /* Failed to open key, show normal */
 114         ShowWindow(hFrameWnd, SW_SHOWNORMAL);
 115     }
 116 }
 117
 118 extern void SaveSettings(void)
 119 {
 120     HKEY hKey = NULL;
 121
 122     if (RegCreateKeyW(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 123     {
 124         RegistryBinaryConfig tConfig;
 125         DWORD iBufferSize = sizeof(tConfig);
 126         WCHAR szBuffer[MAX_PATH]; /* FIXME: a complete registry path can be longer than that */
 127         LPCWSTR keyPath, rootName;
 128         HKEY hRootKey;
 129
 130         /* Save key position */
 131         keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hRootKey);
 132         rootName = get_root_key_name(hRootKey);
 133
 134         /* Load "My Computer" string and complete it */
 135         if (LoadStringW(hInst, IDS_MY_COMPUTER, szBuffer, COUNT_OF(szBuffer)) &&
 136             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), L"\\")) &&
 137             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), rootName)) &&
 138             SUCCEEDED(StringCbCatW(szBuffer, sizeof(szBuffer), L"\\")))
 139         {
 140             HRESULT hr = S_OK;
 141             if (keyPath)
 142                 hr = StringCbCatW(szBuffer, sizeof(szBuffer), keyPath);
 143             if (SUCCEEDED(hr))
 144                 RegSetValueExW(hKey, L"LastKey", 0, REG_SZ, (LPBYTE)szBuffer, (DWORD)wcslen(szBuffer) * sizeof(WCHAR));
 145             else
 146                 DbgPrint("err: (%s:%d): Buffer not big enough for '%S + %S'\n", __FILE__, __LINE__, rootName, keyPath);
 147         }
 148         else
 149         {
 150             DbgPrint("err: (%s:%d): Buffer not big enough for '%S'\n", __FILE__, __LINE__, rootName);
 151         }
 152
 153         /* Get statusbar settings */
 154         tConfig.StatusBarVisible = ((GetMenuState(GetSubMenu(hMenuFrame, ID_VIEW_MENU), ID_VIEW_STATUSBAR, MF_BYCOMMAND) & MF_CHECKED) ? 1 : 0);
 155
 156         /* Get splitter position */
 157         tConfig.TreeViewSize = g_pChildWnd->nSplitPos;
 158
 159         /* Get list view column width*/
 160         tConfig.NameColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 0);
 161         tConfig.TypeColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 1);
 162         tConfig.DataColumnSize = ListView_GetColumnWidth(g_pChildWnd->hListWnd, 2);
 163
 164         /* Get program window settings */
 165         tConfig.tPlacement.length = sizeof(WINDOWPLACEMENT);
 166         GetWindowPlacement(hFrameWnd, &tConfig.tPlacement);
 167
 168         /* Save all the data */
 169         RegSetValueExW(hKey, L"View", 0, REG_BINARY, (LPBYTE)&tConfig, iBufferSize);
 170
 171         RegCloseKey(hKey);
 172     }
 173 }
 174 /* EOF */