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