dlls/inetcpl.cpl/general.c

   1 /*
   2  * Internet control panel applet: general propsheet
   3  *
   4  * Copyright 2010 Detlef Riekenberg
   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
  22 #include <stdarg.h>
  23 #include <windef.h>
  24 #include <winbase.h>
  25 #include <winuser.h>
  26 #include <wininet.h>
  27 #include <winreg.h>
  28 #include <shlwapi.h>
  29 #include <prsht.h>
  30 #include <shlobj.h>
  31
  32 #include "inetcpl.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(inetcpl);
  36 static const WCHAR reg_ie_main[] = L"Software\\Microsoft\\Internet Explorer\\Main";
  37
  38 /* list of unimplemented buttons */
  39 static DWORD disabled_general_buttons[] = {IDC_HOME_CURRENT,
  40                                            IDC_HISTORY_SETTINGS,
  41                                            0};
  42 static DWORD disabled_delhist_buttons[] = {IDC_DELETE_FORM_DATA,
  43                                            IDC_DELETE_PASSWORDS,
  44                                            0};
  45
  46 /*********************************************************************
  47  * delhist_on_command [internal]
  48  *
  49  * handle WM_COMMAND in Delete browsing history dialog
  50  *
  51  */
  52 static INT_PTR delhist_on_command(HWND hdlg, WPARAM wparam)
  53 {
  54     switch (wparam)
  55     {
  56         case MAKEWPARAM(IDOK, BN_CLICKED):
  57             if (IsDlgButtonChecked(hdlg, IDC_DELETE_TEMP_FILES))
  58                 FreeUrlCacheSpaceW(NULL, 100, 0);
  59
  60             if (IsDlgButtonChecked(hdlg, IDC_DELETE_COOKIES))
  61             {
  62                 WCHAR pathW[MAX_PATH];
  63
  64                 if(SHGetSpecialFolderPathW(NULL, pathW, CSIDL_COOKIES, TRUE))
  65                     FreeUrlCacheSpaceW(pathW, 100, 0);
  66             }
  67
  68             if (IsDlgButtonChecked(hdlg, IDC_DELETE_HISTORY))
  69             {
  70                 WCHAR pathW[MAX_PATH];
  71
  72                 if(SHGetSpecialFolderPathW(NULL, pathW, CSIDL_HISTORY, TRUE))
  73                     FreeUrlCacheSpaceW(pathW, 100, 0);
  74             }
  75
  76             EndDialog(hdlg, IDOK);
  77             return TRUE;
  78
  79         case MAKEWPARAM(IDCANCEL, BN_CLICKED):
  80             EndDialog(hdlg, IDCANCEL);
  81             return TRUE;
  82
  83         case MAKEWPARAM(IDC_DELETE_TEMP_FILES, BN_CLICKED):
  84         case MAKEWPARAM(IDC_DELETE_COOKIES, BN_CLICKED):
  85         case MAKEWPARAM(IDC_DELETE_HISTORY, BN_CLICKED):
  86         case MAKEWPARAM(IDC_DELETE_FORM_DATA, BN_CLICKED):
  87         case MAKEWPARAM(IDC_DELETE_PASSWORDS, BN_CLICKED):
  88         {
  89             BOOL any = IsDlgButtonChecked(hdlg, IDC_DELETE_TEMP_FILES) ||
  90                        IsDlgButtonChecked(hdlg, IDC_DELETE_COOKIES) ||
  91                        IsDlgButtonChecked(hdlg, IDC_DELETE_HISTORY) ||
  92                        IsDlgButtonChecked(hdlg, IDC_DELETE_FORM_DATA) ||
  93                        IsDlgButtonChecked(hdlg, IDC_DELETE_PASSWORDS);
  94             EnableWindow(GetDlgItem(hdlg, IDOK), any);
  95             break;
  96         }
  97
  98         default:
  99             break;
 100     }
 101     return FALSE;
 102 }
 103
 104
 105 /*********************************************************************
 106  * delhist_dlgproc [internal]
 107  *
 108  * Delete browsing history dialog procedure
 109  *
 110  */
 111 static INT_PTR CALLBACK delhist_dlgproc(HWND hdlg, UINT msg, WPARAM wparam, LPARAM lparam)
 112 {
 113     switch (msg)
 114     {
 115         case WM_COMMAND:
 116             return delhist_on_command(hdlg, wparam);
 117
 118         case WM_INITDIALOG:
 119         {
 120             DWORD *ptr = disabled_delhist_buttons;
 121             while (*ptr)
 122             {
 123                 EnableWindow(GetDlgItem(hdlg, *ptr), FALSE);
 124                 ptr++;
 125             }
 126             CheckDlgButton(hdlg, IDC_DELETE_TEMP_FILES, BST_CHECKED);
 127             break;
 128         }
 129
 130         default:
 131             break;
 132     }
 133     return FALSE;
 134 }
 135
 136 /*********************************************************************
 137  * parse_url_from_outside [internal]
 138  *
 139  * Filter an URL, add a usable scheme, when needed
 140  *
 141  */
 142 static DWORD parse_url_from_outside(LPCWSTR url, LPWSTR out, DWORD maxlen)
 143 {
 144     HMODULE hdll;
 145     DWORD (WINAPI *pParseURLFromOutsideSourceW)(LPCWSTR, LPWSTR, LPDWORD, LPDWORD);
 146     DWORD res;
 147
 148     hdll = LoadLibraryA("shdocvw.dll");
 149     pParseURLFromOutsideSourceW = (void *) GetProcAddress(hdll, (LPSTR) 170);
 150
 151     if (pParseURLFromOutsideSourceW)
 152     {
 153         res = pParseURLFromOutsideSourceW(url, out, &maxlen, NULL);
 154         FreeLibrary(hdll);
 155         return res;
 156     }
 157
 158     ERR("failed to get ordinal 170: %d\n", GetLastError());
 159     FreeLibrary(hdll);
 160     return 0;
 161 }
 162
 163 /*********************************************************************
 164  * general_on_command [internal]
 165  *
 166  * handle WM_COMMAND
 167  *
 168  */
 169 static INT_PTR general_on_command(HWND hwnd, WPARAM wparam)
 170 {
 171     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
 172     DWORD len;
 173     DWORD type;
 174     LONG res;
 175
 176     switch (wparam)
 177     {
 178         case MAKEWPARAM(IDC_HOME_EDIT, EN_CHANGE):
 179             /* enable apply button */
 180             SendMessageW(GetParent(hwnd), PSM_CHANGED, (WPARAM)hwnd, 0);
 181             break;
 182
 183         case MAKEWPARAM(IDC_HOME_BLANK, BN_CLICKED):
 184             SetDlgItemTextW(hwnd, IDC_HOME_EDIT, L"about:blank");
 185             break;
 186
 187         case MAKEWPARAM(IDC_HOME_DEFAULT, BN_CLICKED):
 188             len = sizeof(buffer);
 189             type = REG_SZ;
 190             res = SHRegGetUSValueW(reg_ie_main, L"Default_Page_URL", &type, buffer, &len, FALSE,
 191                                    (BYTE *)L"about:blank", sizeof(L"about:blank"));
 192             if (!res && (type == REG_SZ)) SetDlgItemTextW(hwnd, IDC_HOME_EDIT, buffer);
 193             break;
 194
 195         case MAKEWPARAM(IDC_HISTORY_DELETE, BN_CLICKED):
 196             DialogBoxW(hcpl, MAKEINTRESOURCEW(IDD_DELETE_HISTORY), hwnd,
 197                        delhist_dlgproc);
 198             break;
 199
 200         default:
 201             TRACE("not implemented for command: %d/%d\n", HIWORD(wparam),  LOWORD(wparam));
 202             return FALSE;
 203     }
 204     return TRUE;
 205 }
 206
 207 /*********************************************************************
 208  * general_on_initdialog [internal]
 209  *
 210  * handle WM_INITDIALOG
 211  *
 212  */
 213 static VOID general_on_initdialog(HWND hwnd)
 214 {
 215     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
 216     DWORD len;
 217     DWORD type;
 218     LONG res;
 219     DWORD *ptr = disabled_general_buttons;
 220
 221     /* disable unimplemented buttons */
 222     while (*ptr)
 223     {
 224         EnableWindow(GetDlgItem(hwnd, *ptr), FALSE);
 225         ptr++;
 226     }
 227
 228     /* read current homepage from the registry. Try HCU first, then HKLM */
 229     *buffer = 0;
 230     len = sizeof(buffer);
 231     type = REG_SZ;
 232     res = SHRegGetUSValueW(reg_ie_main, L"Start Page", &type, buffer, &len, FALSE,
 233                            (BYTE *)L"about:blank", sizeof(L"about:blank"));
 234
 235     if (!res && (type == REG_SZ))
 236     {
 237         SetDlgItemTextW(hwnd, IDC_HOME_EDIT, buffer);
 238     }
 239 }
 240
 241 /*********************************************************************
 242  * general_on_notify [internal]
 243  *
 244  * handle WM_NOTIFY
 245  *
 246  */
 247 static INT_PTR general_on_notify(HWND hwnd, WPARAM wparam, LPARAM lparam)
 248 {
 249     PSHNOTIFY *psn;
 250     WCHAR buffer[INTERNET_MAX_URL_LENGTH];
 251     WCHAR parsed[INTERNET_MAX_URL_LENGTH];
 252     LONG res;
 253
 254     psn = (PSHNOTIFY *) lparam;
 255     TRACE("WM_NOTIFY (%p, 0x%lx, 0x%lx) from %p with code: %d\n", hwnd, wparam, lparam,
 256             psn->hdr.hwndFrom, psn->hdr.code);
 257
 258     if (psn->hdr.code == PSN_APPLY)
 259     {
 260         *buffer = 0;
 261         GetDlgItemTextW(hwnd, IDC_HOME_EDIT, buffer, ARRAY_SIZE(buffer));
 262         TRACE("EDITTEXT has %s\n", debugstr_w(buffer));
 263
 264         res = parse_url_from_outside(buffer, parsed, ARRAY_SIZE(parsed));
 265         TRACE("got %d with %s\n", res, debugstr_w(parsed));
 266
 267         if (res)
 268         {
 269             HKEY hkey;
 270
 271             /* update the dialog, when needed */
 272             if (lstrcmpW(buffer, parsed))
 273                 SetDlgItemTextW(hwnd, IDC_HOME_EDIT, parsed);
 274
 275             /* update the registry */
 276             res = RegOpenKeyW(HKEY_CURRENT_USER, reg_ie_main, &hkey);
 277             if (!res)
 278             {
 279                 res = RegSetValueExW(hkey, L"Start Page", 0, REG_SZ, (const BYTE *)parsed,
 280                                     (lstrlenW(parsed) + 1) * sizeof(WCHAR));
 281                 RegCloseKey(hkey);
 282                 return !res;
 283             }
 284         }
 285     }
 286     return FALSE;
 287 }
 288
 289 /*********************************************************************
 290  * general_dlgproc [internal]
 291  *
 292  */
 293 INT_PTR CALLBACK general_dlgproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
 294 {
 295
 296     switch (msg)
 297     {
 298         case WM_INITDIALOG:
 299             general_on_initdialog(hwnd);
 300             return TRUE;
 301
 302         case WM_COMMAND:
 303             return general_on_command(hwnd, wparam);
 304
 305         case WM_NOTIFY:
 306             return general_on_notify(hwnd, wparam, lparam);
 307
 308         default:
 309             /* do not flood the log */
 310             if ((msg == WM_SETCURSOR) || (msg == WM_NCHITTEST) || (msg == WM_MOUSEMOVE))
 311                 return FALSE;
 312
 313             TRACE("(%p, 0x%08x/%d, 0x%lx, 0x%lx)\n", hwnd, msg, msg, wparam, lparam);
 314
 315     }
 316     return FALSE;
 317 }