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