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