reactos/subsys/system/regedit/listview.c

   1 /*
   2  * Regedit listviews
   3  *
   4  * Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <windows.h>
  22 #include <windowsx.h>
  23 #include <commctrl.h>
  24 #include <stdlib.h>
  25 #include <tchar.h>
  26 #include <process.h>
  27 #include <stdio.h>
  28
  29 #include "main.h"
  30
  31 #define CX_ICON    16
  32 #define CY_ICON    16
  33 #define NUM_ICONS    2
  34
  35 int Image_String = 0;
  36 int Image_Bin = 0;
  37
  38 typedef struct tagLINE_INFO
  39 {
  40     DWORD dwValType;
  41     LPTSTR name;
  42     void* val;
  43     size_t val_len;
  44 } LINE_INFO, *PLINE_INFO;
  45
  46 /*******************************************************************************
  47  * Global and Local Variables:
  48  */
  49
  50 static DWORD g_columnToSort = ~0UL;
  51 static BOOL  g_invertSort = FALSE;
  52 static LPTSTR g_valueName;
  53
  54 #define MAX_LIST_COLUMNS (IDS_LIST_COLUMN_LAST - IDS_LIST_COLUMN_FIRST + 1)
  55 static int default_column_widths[MAX_LIST_COLUMNS] = { 200, 175, 400 };
  56 static int column_alignment[MAX_LIST_COLUMNS] = { LVCFMT_LEFT, LVCFMT_LEFT, LVCFMT_LEFT };
  57
  58 LPCTSTR GetValueName(HWND hwndLV)
  59 {
  60     int item, len, maxLen;
  61     LPTSTR newStr;
  62     LVITEM LVItem;
  63     PLINE_INFO lineinfo;
  64
  65     if (!g_valueName) g_valueName = HeapAlloc(GetProcessHeap(), 0, 1024);
  66     if (!g_valueName) return NULL;
  67     *g_valueName = 0;
  68     maxLen = HeapSize(GetProcessHeap(), 0, g_valueName);
  69     if (maxLen == (SIZE_T) - 1) return NULL;
  70
  71     item = ListView_GetNextItem(hwndLV, -1, LVNI_FOCUSED | LVNI_SELECTED);
  72     if (item == -1) return NULL;
  73     LVItem.mask = LVIF_PARAM;
  74     LVItem.iItem = item;
  75     for(;;)
  76     {
  77       if(ListView_GetItem(hwndLV, &LVItem))
  78       {
  79         lineinfo = (PLINE_INFO)LVItem.lParam;
  80         if(!lineinfo->name)
  81         {
  82           *g_valueName = 0;
  83           return g_valueName;
  84         }
  85         len = _tcslen(lineinfo->name);
  86         if (len < maxLen - 1) break;
  87         newStr = HeapReAlloc(GetProcessHeap(), 0, g_valueName, maxLen * 2);
  88         if (!newStr) return NULL;
  89         g_valueName = newStr;
  90         maxLen *= 2;
  91       }
  92       else
  93         return NULL;
  94     }
  95     memcpy(g_valueName, lineinfo->name, sizeof(TCHAR) * (len + 1));
  96     return g_valueName;
  97 }
  98
  99 BOOL IsDefaultValue(HWND hwndLV, int i)
 100 {
 101   PLINE_INFO lineinfo;
 102   LVITEM Item;
 103
 104   Item.mask = LVIF_PARAM;
 105   Item.iItem = i;
 106   if(ListView_GetItem(hwndLV, &Item))
 107   {
 108     lineinfo = (PLINE_INFO)Item.lParam;
 109     return lineinfo && (!lineinfo->name || !strcmp(lineinfo->name, _T("")));
 110   }
 111   return FALSE;
 112 }
 113
 114 /*******************************************************************************
 115  * Local module support methods
 116  */
 117 static void AddEntryToList(HWND hwndLV, LPTSTR Name, DWORD dwValType, void* ValBuf, DWORD dwCount, int Position)
 118 {
 119     LINE_INFO* linfo;
 120     LVITEM item;
 121     int index;
 122
 123     linfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINE_INFO) + dwCount);
 124     linfo->dwValType = dwValType;
 125     linfo->val_len = dwCount;
 126     if(dwCount > 0)
 127     {
 128       memcpy(&linfo[1], ValBuf, dwCount);
 129     }
 130     linfo->name = _tcsdup(Name);
 131
 132     item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
 133     item.iItem = (Position == -1 ? 0: Position);
 134     item.iSubItem = 0;
 135     item.state = 0;
 136     item.stateMask = 0;
 137     item.pszText = Name;
 138     item.cchTextMax = _tcslen(item.pszText);
 139     if (item.cchTextMax == 0)
 140         item.pszText = LPSTR_TEXTCALLBACK;
 141     item.iImage = 0;
 142     item.lParam = (LPARAM)linfo;
 143     switch(dwValType)
 144     {
 145       case REG_SZ:
 146       case REG_EXPAND_SZ:
 147       case REG_MULTI_SZ:
 148         item.iImage = Image_String;
 149         break;
 150       default:
 151         item.iImage = Image_Bin;
 152         break;
 153     }
 154
 155     /*    item.lParam = (LPARAM)ValBuf; */
 156 #if (_WIN32_IE >= 0x0300)
 157     item.iIndent = 0;
 158 #endif
 159
 160     index = ListView_InsertItem(hwndLV, &item);
 161     if (index != -1) {
 162         /*        LPTSTR pszText = NULL; */
 163         LPTSTR pszText = _T("value");
 164         switch (dwValType) {
 165         case REG_SZ:
 166         case REG_EXPAND_SZ:
 167             if(dwCount)
 168             {
 169               ListView_SetItemText(hwndLV, index, 2, ValBuf);
 170             }
 171             break;
 172         case REG_DWORD: {
 173                 TCHAR buf[64];
 174                 wsprintf(buf, _T("0x%08X (%d)"), *(DWORD*)ValBuf, *(DWORD*)ValBuf);
 175                 ListView_SetItemText(hwndLV, index, 2, buf);
 176             }
 177             /*            lpsRes = convertHexToDWORDStr(lpbData, dwLen); */
 178             break;
 179         case REG_BINARY: {
 180                 unsigned int i;
 181                 LPBYTE pData = (LPBYTE)ValBuf;
 182                 LPTSTR strBinary = HeapAlloc(GetProcessHeap(), 0, dwCount * sizeof(TCHAR) * 3 + 1);
 183                 for (i = 0; i < dwCount; i++)
 184                     wsprintf( strBinary + i*3, _T("%02X "), pData[i] );
 185                 strBinary[dwCount * 3] = 0;
 186                 ListView_SetItemText(hwndLV, index, 2, strBinary);
 187                 HeapFree(GetProcessHeap(), 0, strBinary);
 188             }
 189             break;
 190         default:
 191             /*            lpsRes = convertHexToHexCSV(lpbData, dwLen); */
 192             ListView_SetItemText(hwndLV, index, 2, pszText);
 193             break;
 194         }
 195     }
 196 }
 197
 198 static BOOL CreateListColumns(HWND hWndListView)
 199 {
 200     TCHAR szText[50];
 201     int index;
 202     LV_COLUMN lvC;
 203
 204     /* Create columns. */
 205     lvC.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
 206     lvC.pszText = szText;
 207
 208     /* Load the column labels from the resource file. */
 209     for (index = 0; index < MAX_LIST_COLUMNS; index++) {
 210         lvC.iSubItem = index;
 211         lvC.cx = default_column_widths[index];
 212         lvC.fmt = column_alignment[index];
 213         LoadString(hInst, IDS_LIST_COLUMN_FIRST + index, szText, sizeof(szText)/sizeof(TCHAR));
 214         if (ListView_InsertColumn(hWndListView, index, &lvC) == -1) return FALSE;
 215     }
 216     return TRUE;
 217 }
 218
 219 static BOOL InitListViewImageLists(HWND hwndLV)
 220 {
 221     HIMAGELIST himl;  /* handle to image list  */
 222     HICON hico;       /* handle to icon  */
 223
 224     /* Create the image list.  */
 225     if ((himl = ImageList_Create(CX_ICON, CY_ICON,
 226                                  ILC_MASK, 0, NUM_ICONS)) == NULL)
 227         return FALSE;
 228
 229     hico = LoadIcon(hInst, MAKEINTRESOURCE(IDI_BIN));
 230     Image_Bin = ImageList_AddIcon(himl, hico);
 231
 232     hico = LoadIcon(hInst, MAKEINTRESOURCE(IDI_STRING));
 233     Image_String = ImageList_AddIcon(himl, hico);
 234
 235
 236     /* Fail if not all of the images were added.  */
 237     if (ImageList_GetImageCount(himl) < NUM_ICONS)
 238     {
 239       return FALSE;
 240     }
 241
 242     /* Associate the image list with the tree view control.  */
 243     ListView_SetImageList(hwndLV, himl, LVSIL_SMALL);
 244
 245     return TRUE;
 246 }
 247
 248 /* OnGetDispInfo - processes the LVN_GETDISPINFO notification message.  */
 249
 250 static void OnGetDispInfo(NMLVDISPINFO* plvdi)
 251 {
 252     static TCHAR buffer[200];
 253
 254     plvdi->item.pszText = NULL;
 255     plvdi->item.cchTextMax = 0;
 256
 257     switch (plvdi->item.iSubItem) {
 258     case 0:
 259         plvdi->item.pszText = _T("(Default)");
 260         break;
 261     case 1:
 262         switch (((LINE_INFO*)plvdi->item.lParam)->dwValType) {
 263         case REG_SZ:
 264             plvdi->item.pszText = _T("REG_SZ");
 265             break;
 266         case REG_EXPAND_SZ:
 267             plvdi->item.pszText = _T("REG_EXPAND_SZ");
 268             break;
 269         case REG_BINARY:
 270             plvdi->item.pszText = _T("REG_BINARY");
 271             break;
 272         case REG_DWORD:
 273             plvdi->item.pszText = _T("REG_DWORD");
 274             break;
 275         case REG_DWORD_BIG_ENDIAN:
 276             plvdi->item.pszText = _T("REG_DWORD_BIG_ENDIAN");
 277             break;
 278         case REG_MULTI_SZ:
 279             plvdi->item.pszText = _T("REG_MULTI_SZ");
 280             break;
 281         case REG_LINK:
 282             plvdi->item.pszText = _T("REG_LINK");
 283             break;
 284         case REG_RESOURCE_LIST:
 285             plvdi->item.pszText = _T("REG_RESOURCE_LIST");
 286             break;
 287         case REG_NONE:
 288             plvdi->item.pszText = _T("REG_NONE");
 289             break;
 290         default:
 291             wsprintf(buffer, _T("unknown(%d)"), plvdi->item.lParam);
 292             plvdi->item.pszText = buffer;
 293             break;
 294         }
 295         break;
 296     case 2:
 297         plvdi->item.pszText = _T("(value not set)");
 298         break;
 299     case 3:
 300         plvdi->item.pszText = _T("");
 301         break;
 302     }
 303 }
 304
 305 static int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
 306 {
 307     LINE_INFO*l, *r;
 308     l = (LINE_INFO*)lParam1;
 309     r = (LINE_INFO*)lParam2;
 310
 311     if (g_columnToSort == ~0UL)
 312         g_columnToSort = 0;
 313
 314     if (g_columnToSort == 1 && l->dwValType != r->dwValType)
 315         return g_invertSort ? (int)r->dwValType - (int)l->dwValType : (int)l->dwValType - (int)r->dwValType;
 316     if (g_columnToSort == 2) {
 317         /* FIXME: Sort on value */
 318     }
 319     return g_invertSort ? _tcscmp(r->name, l->name) : _tcscmp(l->name, r->name);
 320 }
 321
 322 static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 323 {
 324     switch (LOWORD(wParam)) {
 325         /*    case ID_FILE_OPEN: */
 326         /*        break; */
 327     default:
 328         return FALSE;
 329     }
 330     return TRUE;
 331 }
 332
 333 BOOL ListWndNotifyProc(HWND hWnd, WPARAM wParam, LPARAM lParam, BOOL *Result)
 334 {
 335     NMLVDISPINFO* Info;
 336     *Result = TRUE;
 337     switch (((LPNMHDR)lParam)->code) {
 338         case LVN_GETDISPINFO:
 339             OnGetDispInfo((NMLVDISPINFO*)lParam);
 340             return TRUE;
 341         case LVN_COLUMNCLICK:
 342             if (g_columnToSort == ((LPNMLISTVIEW)lParam)->iSubItem)
 343                 g_invertSort = !g_invertSort;
 344             else {
 345                 g_columnToSort = ((LPNMLISTVIEW)lParam)->iSubItem;
 346                 g_invertSort = FALSE;
 347             }
 348
 349             ListView_SortItems(hWnd, CompareFunc, (WPARAM)hWnd);
 350             return TRUE;
 351         case NM_DBLCLK:
 352             {
 353                 SendMessage(hFrameWnd, WM_COMMAND, MAKEWPARAM(ID_EDIT_MODIFY, 0), 0);
 354             }
 355             return TRUE;
 356
 357         case LVN_BEGINLABELEDIT:
 358             {
 359               PLINE_INFO lineinfo;
 360               Info = (NMLVDISPINFO*)lParam;
 361               if(Info)
 362               {
 363                 lineinfo = (PLINE_INFO)Info->item.lParam;
 364                 if(!lineinfo->name || !strcmp(lineinfo->name, _T("")))
 365                 {
 366                   *Result = TRUE;
 367                 }
 368                 else
 369                 {
 370                   *Result = FALSE;
 371                 }
 372               }
 373               else
 374                 *Result = TRUE;
 375               return TRUE;
 376             }
 377     }
 378     return FALSE;
 379 }
 380
 381
 382 HWND CreateListView(HWND hwndParent, int id)
 383 {
 384     RECT rcClient;
 385     HWND hwndLV;
 386
 387     /* Get the dimensions of the parent window's client area, and create the list view control.  */
 388     GetClientRect(hwndParent, &rcClient);
 389     hwndLV = CreateWindowEx(WS_EX_CLIENTEDGE, WC_LISTVIEW, _T("List View"),
 390                             WS_VISIBLE | WS_CHILD | LVS_REPORT | LVS_EDITLABELS,
 391                             0, 0, rcClient.right, rcClient.bottom,
 392                             hwndParent, (HMENU)id, hInst, NULL);
 393     if (!hwndLV) return NULL;
 394
 395     /* Initialize the image list, and add items to the control.  */
 396     if (!CreateListColumns(hwndLV)) goto fail;
 397     if (!InitListViewImageLists(hwndLV)) goto fail;
 398
 399     return hwndLV;
 400 fail:
 401     DestroyWindow(hwndLV);
 402     return NULL;
 403 }
 404
 405 BOOL RefreshListView(HWND hwndLV, HKEY hKey, LPCTSTR keyPath)
 406 {
 407     DWORD max_sub_key_len;
 408     DWORD max_val_name_len;
 409     DWORD max_val_size;
 410     DWORD val_count;
 411     HKEY hNewKey;
 412     LONG errCode;
 413     INT count, i;
 414     LVITEM item;
 415     BOOL AddedDefault = FALSE;
 416
 417     if (!hwndLV) return FALSE;
 418
 419     ListView_EditLabel(hwndLV, -1);
 420
 421     SendMessage(hwndLV, WM_SETREDRAW, FALSE, 0);
 422     count = ListView_GetItemCount(hwndLV);
 423     for (i = 0; i < count; i++) {
 424         item.mask = LVIF_PARAM;
 425         item.iItem = i;
 426         ListView_GetItem(hwndLV, &item);
 427         free(((LINE_INFO*)item.lParam)->name);
 428         HeapFree(GetProcessHeap(), 0, (void*)item.lParam);
 429     }
 430     g_columnToSort = ~0UL;
 431     ListView_DeleteAllItems(hwndLV);
 432
 433     if(!hKey) return FALSE;
 434
 435     errCode = RegOpenKeyEx(hKey, keyPath, 0, KEY_READ, &hNewKey);
 436     if (errCode != ERROR_SUCCESS) return FALSE;
 437
 438     /* get size information and resize the buffers if necessary */
 439     errCode = RegQueryInfoKey(hNewKey, NULL, NULL, NULL, NULL, &max_sub_key_len, NULL,
 440                               &val_count, &max_val_name_len, &max_val_size, NULL, NULL);
 441
 442     #define BUF_HEAD_SPACE 2 /* FIXME: check why this is required with ROS ??? */
 443
 444     if (errCode == ERROR_SUCCESS) {
 445         TCHAR* ValName = HeapAlloc(GetProcessHeap(), 0, ++max_val_name_len * sizeof(TCHAR) + BUF_HEAD_SPACE);
 446         DWORD dwValNameLen = max_val_name_len;
 447         BYTE* ValBuf = HeapAlloc(GetProcessHeap(), 0, ++max_val_size/* + BUF_HEAD_SPACE*/);
 448         DWORD dwValSize = max_val_size;
 449         DWORD dwIndex = 0L;
 450         DWORD dwValType;
 451         /*                if (RegQueryValueEx(hNewKey, NULL, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS) { */
 452         /*                    AddEntryToList(hwndLV, _T("(Default)"), dwValType, ValBuf, dwValSize); */
 453         /*                } */
 454         /*                dwValSize = max_val_size; */
 455         while (RegEnumValue(hNewKey, dwIndex, ValName, &dwValNameLen, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS) {
 456             ValBuf[dwValSize] = 0;
 457             AddEntryToList(hwndLV, ValName, dwValType, ValBuf, dwValSize, -1);
 458             dwValNameLen = max_val_name_len;
 459             dwValSize = max_val_size;
 460             dwValType = 0L;
 461             ++dwIndex;
 462             if(!strcmp(ValName, _T("")))
 463             {
 464               AddedDefault = TRUE;
 465             }
 466         }
 467         HeapFree(GetProcessHeap(), 0, ValBuf);
 468         HeapFree(GetProcessHeap(), 0, ValName);
 469     }
 470     if(!AddedDefault)
 471     {
 472       AddEntryToList(hwndLV, _T(""), REG_SZ, NULL, 0, 0);
 473     }
 474     ListView_SortItems(hwndLV, CompareFunc, (WPARAM)hwndLV);
 475     RegCloseKey(hNewKey);
 476     SendMessage(hwndLV, WM_SETREDRAW, TRUE, 0);
 477
 478     return TRUE;
 479 }