reactos/base/applications/wordpad/registry.c

   1 /*
   2  * Wordpad implementation - Registry functions
   3  *
   4  * Copyright 2007 by Alexander N. Sørnes <alex@thehandofagony.com>
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define WIN32_NO_STATUS
  22 #define WIN32_LEAN_AND_MEAN
  23 #include <windows.h>
  24 #include <shlobj.h>
  25 #include <richedit.h>
  26
  27 #include "wordpad.h"
  28
  29 static const WCHAR key_recentfiles[] = {'R','e','c','e','n','t',' ','f','i','l','e',
  30                                         ' ','l','i','s','t',0};
  31 static const WCHAR key_options[] = {'O','p','t','i','o','n','s',0};
  32 static const WCHAR key_settings[] = {'S','e','t','t','i','n','g','s',0};
  33 static const WCHAR key_rtf[] = {'R','T','F',0};
  34 static const WCHAR key_text[] = {'T','e','x','t',0};
  35
  36 static const WCHAR var_file[] = {'F','i','l','e','%','d',0};
  37 static const WCHAR var_framerect[] = {'F','r','a','m','e','R','e','c','t',0};
  38 static const WCHAR var_barstate0[] = {'B','a','r','S','t','a','t','e','0',0};
  39 static const WCHAR var_wrap[] = {'W','r','a','p',0};
  40 static const WCHAR var_maximized[] = {'M','a','x','i','m','i','z','e','d',0};
  41
  42 static LRESULT registry_get_handle(HKEY *hKey, LPDWORD action, LPCWSTR subKey)
  43 {
  44     LONG ret;
  45     static const WCHAR wszProgramKey[] = {'S','o','f','t','w','a','r','e','\\',
  46         'M','i','c','r','o','s','o','f','t','\\',
  47         'W','i','n','d','o','w','s','\\',
  48         'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  49         'A','p','p','l','e','t','s','\\',
  50         'W','o','r','d','p','a','d',0};
  51         LPWSTR key = (LPWSTR)wszProgramKey;
  52
  53         if(subKey)
  54         {
  55             WCHAR backslash[] = {'\\',0};
  56             key = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  57                             (lstrlenW(wszProgramKey)+lstrlenW(subKey)+lstrlenW(backslash)+1)
  58                                     *sizeof(WCHAR));
  59
  60             if(!key)
  61                 return 1;
  62
  63             lstrcpyW(key, wszProgramKey);
  64             lstrcatW(key, backslash);
  65             lstrcatW(key, subKey);
  66         }
  67
  68         if(action)
  69         {
  70             ret = RegCreateKeyExW(HKEY_CURRENT_USER, key, 0, NULL, REG_OPTION_NON_VOLATILE,
  71                                   KEY_READ | KEY_WRITE, NULL, hKey, action);
  72         } else
  73         {
  74             ret = RegOpenKeyExW(HKEY_CURRENT_USER, key, 0, KEY_READ | KEY_WRITE, hKey);
  75         }
  76
  77         if(subKey)
  78             HeapFree(GetProcessHeap(), 0, key);
  79
  80         return ret;
  81 }
  82
  83 void registry_set_options(HWND hMainWnd)
  84 {
  85     HKEY hKey = 0;
  86     DWORD action;
  87
  88     if(registry_get_handle(&hKey, &action, key_options) == ERROR_SUCCESS)
  89     {
  90         WINDOWPLACEMENT wp;
  91         DWORD isMaximized;
  92
  93         wp.length = sizeof(WINDOWPLACEMENT);
  94         GetWindowPlacement(hMainWnd, &wp);
  95         isMaximized = (wp.showCmd == SW_SHOWMAXIMIZED);
  96
  97         RegSetValueExW(hKey, var_framerect, 0, REG_BINARY, (LPBYTE)&wp.rcNormalPosition, sizeof(RECT));
  98         RegSetValueExW(hKey, var_maximized, 0, REG_DWORD, (LPBYTE)&isMaximized, sizeof(DWORD));
  99
 100         registry_set_pagemargins(hKey);
 101         RegCloseKey(hKey);
 102     }
 103
 104     if(registry_get_handle(&hKey, &action, key_settings) == ERROR_SUCCESS)
 105     {
 106         registry_set_previewpages(hKey);
 107         RegCloseKey(hKey);
 108     }
 109 }
 110
 111 void registry_read_winrect(RECT* rc)
 112 {
 113     HKEY hKey = 0;
 114     DWORD size = sizeof(RECT);
 115
 116     if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS ||
 117        RegQueryValueExW(hKey, var_framerect, 0, NULL, (LPBYTE)rc, &size) !=
 118        ERROR_SUCCESS || size != sizeof(RECT))
 119         SetRect(rc, 0, 0, 600, 300);
 120
 121     RegCloseKey(hKey);
 122 }
 123
 124 void registry_read_maximized(DWORD *bMaximized)
 125 {
 126     HKEY hKey = 0;
 127     DWORD size = sizeof(DWORD);
 128
 129     if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS ||
 130        RegQueryValueExW(hKey, var_maximized, 0, NULL, (LPBYTE)bMaximized, &size) !=
 131        ERROR_SUCCESS || size != sizeof(DWORD))
 132     {
 133         *bMaximized = FALSE;
 134     }
 135
 136     RegCloseKey(hKey);
 137 }
 138
 139 static void truncate_path(LPWSTR file, LPWSTR out, LPWSTR pos1, LPWSTR pos2)
 140 {
 141     static const WCHAR dots[] = {'.','.','.',0};
 142
 143     *++pos1 = 0;
 144
 145     lstrcatW(out, file);
 146     lstrcatW(out, dots);
 147     lstrcatW(out, pos2);
 148 }
 149
 150 static void format_filelist_filename(LPWSTR file, LPWSTR out)
 151 {
 152     LPWSTR pos_basename;
 153     LPWSTR truncpos1, truncpos2;
 154     WCHAR myDocs[MAX_PATH];
 155
 156     SHGetFolderPathW(NULL, CSIDL_PERSONAL, NULL, SHGFP_TYPE_CURRENT, myDocs);
 157     pos_basename = file_basename(file);
 158     truncpos1 = NULL;
 159     truncpos2 = NULL;
 160
 161     *(pos_basename-1) = 0;
 162     if(!lstrcmpiW(file, myDocs) || (lstrlenW(pos_basename) > FILELIST_ENTRY_LENGTH))
 163     {
 164         truncpos1 = pos_basename;
 165         *(pos_basename-1) = '\\';
 166     } else
 167     {
 168         LPWSTR pos;
 169         BOOL morespace = FALSE;
 170
 171         *(pos_basename-1) = '\\';
 172
 173         for(pos = file; pos < pos_basename; pos++)
 174         {
 175             if(*pos == '\\' || *pos == '/')
 176             {
 177                 if(truncpos1)
 178                 {
 179                     if((pos - file + lstrlenW(pos_basename)) > FILELIST_ENTRY_LENGTH)
 180                         break;
 181
 182                     truncpos1 = pos;
 183                     morespace = TRUE;
 184                     break;
 185                 }
 186
 187                 if((pos - file + lstrlenW(pos_basename)) > FILELIST_ENTRY_LENGTH)
 188                     break;
 189
 190                 truncpos1 = pos;
 191             }
 192         }
 193
 194         if(morespace)
 195         {
 196             for(pos = pos_basename; pos >= truncpos1; pos--)
 197             {
 198                 if(*pos == '\\' || *pos == '/')
 199                 {
 200                     if((truncpos1 - file + lstrlenW(pos_basename) + pos_basename - pos) > FILELIST_ENTRY_LENGTH)
 201                         break;
 202
 203                     truncpos2 = pos;
 204                 }
 205             }
 206         }
 207     }
 208
 209     if(truncpos1 == pos_basename)
 210         lstrcatW(out, pos_basename);
 211     else if(truncpos1 == truncpos2 || !truncpos2)
 212         lstrcatW(out, file);
 213     else
 214         truncate_path(file, out, truncpos1, truncpos2);
 215 }
 216
 217 void registry_read_filelist(HWND hMainWnd)
 218 {
 219     HKEY hFileKey;
 220
 221     if(registry_get_handle(&hFileKey, 0, key_recentfiles) == ERROR_SUCCESS)
 222     {
 223         WCHAR itemText[MAX_PATH+3], buffer[MAX_PATH];
 224         /* The menu item name is not the same as the file name, so we need to store
 225         the file name here */
 226         static WCHAR file1[MAX_PATH], file2[MAX_PATH], file3[MAX_PATH], file4[MAX_PATH];
 227         WCHAR numFormat[] = {'&','%','d',' ',0};
 228         LPWSTR pFile[] = {file1, file2, file3, file4};
 229         DWORD pathSize = MAX_PATH*sizeof(WCHAR);
 230         int i;
 231         WCHAR key[6];
 232         MENUITEMINFOW mi;
 233         HMENU hMenu = GetMenu(hMainWnd);
 234
 235         mi.cbSize = sizeof(MENUITEMINFOW);
 236         mi.fMask = MIIM_ID | MIIM_DATA | MIIM_STRING | MIIM_FTYPE;
 237         mi.fType = MFT_STRING;
 238         mi.dwTypeData = itemText;
 239         mi.wID = ID_FILE_RECENT1;
 240
 241         RemoveMenu(hMenu, ID_FILE_RECENT_SEPARATOR, MF_BYCOMMAND);
 242         for(i = 0; i < FILELIST_ENTRIES; i++)
 243         {
 244             wsprintfW(key, var_file, i+1);
 245             RemoveMenu(hMenu, ID_FILE_RECENT1+i, MF_BYCOMMAND);
 246             if(RegQueryValueExW(hFileKey, (LPWSTR)key, 0, NULL, (LPBYTE)pFile[i], &pathSize)
 247                != ERROR_SUCCESS)
 248                 break;
 249
 250             mi.dwItemData = (ULONG_PTR)pFile[i];
 251             wsprintfW(itemText, numFormat, i+1);
 252
 253             lstrcpyW(buffer, pFile[i]);
 254
 255             format_filelist_filename(buffer, itemText);
 256
 257             InsertMenuItemW(hMenu, ID_FILE_EXIT, FALSE, &mi);
 258             mi.wID++;
 259             pathSize = MAX_PATH*sizeof(WCHAR);
 260         }
 261         mi.fType = MFT_SEPARATOR;
 262         mi.fMask = MIIM_FTYPE | MIIM_ID;
 263         InsertMenuItemW(hMenu, ID_FILE_EXIT, FALSE, &mi);
 264
 265         RegCloseKey(hFileKey);
 266     }
 267 }
 268
 269 void registry_set_filelist(LPCWSTR newFile, HWND hMainWnd)
 270 {
 271     HKEY hKey;
 272     DWORD action;
 273
 274     if(registry_get_handle(&hKey, &action, key_recentfiles) == ERROR_SUCCESS)
 275     {
 276         LPCWSTR pFiles[FILELIST_ENTRIES];
 277         int i;
 278         HMENU hMenu = GetMenu(hMainWnd);
 279         MENUITEMINFOW mi;
 280         WCHAR buffer[6];
 281
 282         mi.cbSize = sizeof(MENUITEMINFOW);
 283         mi.fMask = MIIM_DATA;
 284
 285         for(i = 0; i < FILELIST_ENTRIES; i++)
 286             pFiles[i] = NULL;
 287
 288         for(i = 0; GetMenuItemInfoW(hMenu, ID_FILE_RECENT1+i, FALSE, &mi); i++)
 289             pFiles[i] = (LPWSTR)mi.dwItemData;
 290
 291         if(lstrcmpiW(newFile, pFiles[0]))
 292         {
 293             for(i = 0; i < FILELIST_ENTRIES && pFiles[i]; i++)
 294             {
 295                 if(!lstrcmpiW(pFiles[i], newFile))
 296                 {
 297                     int j;
 298                     for(j = 0; j < i; j++)
 299                     {
 300                         pFiles[i-j] = pFiles[i-j-1];
 301                     }
 302                     pFiles[0] = NULL;
 303                     break;
 304                 }
 305             }
 306
 307             if(!pFiles[0])
 308             {
 309                 pFiles[0] = newFile;
 310             } else
 311             {
 312                 for(i = 0; i < FILELIST_ENTRIES-1; i++)
 313                     pFiles[FILELIST_ENTRIES-1-i] = pFiles[FILELIST_ENTRIES-2-i];
 314
 315                 pFiles[0] = newFile;
 316             }
 317
 318             for(i = 0; i < FILELIST_ENTRIES && pFiles[i]; i++)
 319             {
 320                 wsprintfW(buffer, var_file, i+1);
 321                 RegSetValueExW(hKey, (LPWSTR)&buffer, 0, REG_SZ, (const BYTE*)pFiles[i],
 322                                (lstrlenW(pFiles[i])+1)*sizeof(WCHAR));
 323             }
 324         }
 325         RegCloseKey(hKey);
 326     }
 327     registry_read_filelist(hMainWnd);
 328 }
 329
 330 int reg_formatindex(WPARAM format)
 331 {
 332     return (format & SF_TEXT) ? 1 : 0;
 333 }
 334
 335 void registry_read_options(void)
 336 {
 337     HKEY hKey;
 338
 339     if(registry_get_handle(&hKey, 0, key_options) != ERROR_SUCCESS)
 340         registry_read_pagemargins(NULL);
 341     else
 342     {
 343         registry_read_pagemargins(hKey);
 344         RegCloseKey(hKey);
 345     }
 346
 347     if(registry_get_handle(&hKey, 0, key_settings) != ERROR_SUCCESS) {
 348         registry_read_previewpages(NULL);
 349     } else {
 350         registry_read_previewpages(hKey);
 351         RegCloseKey(hKey);
 352     }
 353 }
 354
 355 static void registry_read_formatopts(int index, LPCWSTR key, DWORD barState[], DWORD wordWrap[])
 356 {
 357     HKEY hKey;
 358     DWORD action = 0;
 359     BOOL fetched = FALSE;
 360     barState[index] = 0;
 361     wordWrap[index] = 0;
 362
 363     if(registry_get_handle(&hKey, &action, key) != ERROR_SUCCESS)
 364         return;
 365
 366     if(action == REG_OPENED_EXISTING_KEY)
 367     {
 368         DWORD size = sizeof(DWORD);
 369
 370         if(RegQueryValueExW(hKey, var_barstate0, 0, NULL, (LPBYTE)&barState[index],
 371            &size) == ERROR_SUCCESS)
 372             fetched = TRUE;
 373     }
 374
 375     if(!fetched)
 376         barState[index] = (1 << BANDID_TOOLBAR) | (1 << BANDID_FORMATBAR) | (1 << BANDID_RULER) | (1 << BANDID_STATUSBAR);
 377
 378     fetched = FALSE;
 379     if(action == REG_OPENED_EXISTING_KEY)
 380     {
 381         DWORD size = sizeof(DWORD);
 382         if(RegQueryValueExW(hKey, var_wrap, 0, NULL, (LPBYTE)&wordWrap[index],
 383            &size) == ERROR_SUCCESS)
 384             fetched = TRUE;
 385     }
 386
 387     if (!fetched)
 388     {
 389         if(index == reg_formatindex(SF_RTF))
 390             wordWrap[index] = ID_WORDWRAP_WINDOW;
 391         else if(index == reg_formatindex(SF_TEXT))
 392             wordWrap[index] = ID_WORDWRAP_NONE;
 393     }
 394
 395     RegCloseKey(hKey);
 396 }
 397
 398 void registry_read_formatopts_all(DWORD barState[], DWORD wordWrap[])
 399 {
 400     registry_read_formatopts(reg_formatindex(SF_RTF), key_rtf, barState, wordWrap);
 401     registry_read_formatopts(reg_formatindex(SF_TEXT), key_text, barState, wordWrap);
 402 }
 403
 404 static void registry_set_formatopts(int index, LPCWSTR key, DWORD barState[], DWORD wordWrap[])
 405 {
 406     HKEY hKey;
 407     DWORD action = 0;
 408
 409     if(registry_get_handle(&hKey, &action, key) == ERROR_SUCCESS)
 410     {
 411         RegSetValueExW(hKey, var_barstate0, 0, REG_DWORD, (LPBYTE)&barState[index],
 412                        sizeof(DWORD));
 413         RegSetValueExW(hKey, var_wrap, 0, REG_DWORD, (LPBYTE)&wordWrap[index],
 414                        sizeof(DWORD));
 415         RegCloseKey(hKey);
 416     }
 417 }
 418
 419 void registry_set_formatopts_all(DWORD barState[], DWORD wordWrap[])
 420 {
 421     registry_set_formatopts(reg_formatindex(SF_RTF), key_rtf, barState, wordWrap);
 422     registry_set_formatopts(reg_formatindex(SF_TEXT), key_text, barState, wordWrap);
 423 }