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