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