dlls/shlwapi/msgbox.c

   1 /*
   2  * SHLWAPI message box functions
   3  *
   4  * Copyright 2004 Jon Griffiths
   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 "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26
  27 #define NONAMELESSUNION
  28 #define NONAMELESSSTRUCT
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winuser.h"
  32 #include "winreg.h"
  33 #include "shlwapi.h"
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36 #include "resource.h"
  37
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  40
  41 extern HINSTANCE shlwapi_hInstance; /* in shlwapi_main.c */
  42
  43 static const WCHAR szDontShowKey[] = { 'S','o','f','t','w','a','r','e','\\',
  44   'M','i','c','r','o','s','o','f','t','\\','W','i','n','d','o','w','s','\\',
  45   'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
  46   'E','x','p','l','o','r','e','r','\\','D','o','n','t','S','h','o','w',
  47   'M','e','T','h','i','s','D','i','a','l','o','g','A','g','a','i','n','\0'
  48 };
  49
  50 INT_PTR WINAPI SHMessageBoxCheckExW(HWND,HINSTANCE,LPCWSTR,DLGPROC,LPARAM,INT_PTR,LPCWSTR);
  51 INT_PTR WINAPI SHMessageBoxCheckW(HWND,LPCWSTR,LPCWSTR,DWORD,INT_PTR,LPCWSTR);
  52
  53 /* Data held by each general message boxes */
  54 typedef struct tagDLGDATAEX
  55 {
  56   DLGPROC dlgProc;   /* User supplied DlgProc */
  57   LPARAM  lParam;    /* User supplied LPARAM for dlgProc */
  58   LPCWSTR lpszId;    /* Name of reg key holding whether to skip */
  59 } DLGDATAEX;
  60
  61 /* Dialogue procedure for general message boxes */
  62 static INT_PTR CALLBACK SHDlgProcEx(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
  63 {
  64   DLGDATAEX *d = (DLGDATAEX *)GetWindowLongPtrW(hDlg, DWLP_USER);
  65
  66   TRACE("(%p,%u,%ld,%ld) data %p\n", hDlg, uMsg, wParam, lParam, d);
  67
  68   switch (uMsg)
  69   {
  70   case WM_INITDIALOG:
  71   {
  72     /* FIXME: Not sure where native stores its lParam */
  73     SetWindowLongPtrW(hDlg, DWLP_USER, lParam);
  74     d = (DLGDATAEX *)lParam;
  75     TRACE("WM_INITDIALOG: %p, %s,%p,%p\n", hDlg, debugstr_w(d->lpszId),
  76           d->dlgProc, (void*)d->lParam);
  77     if (d->dlgProc)
  78       return d->dlgProc(hDlg, uMsg, wParam, d->lParam);
  79     return TRUE;
  80   }
  81
  82   case WM_COMMAND:
  83     switch (LOWORD(wParam))
  84     {
  85       case IDYES:
  86         wParam = MAKELONG(IDOK, HIWORD(wParam));
  87         /* Fall through ... */
  88       case IDNO:
  89         if (LOWORD(wParam) == IDNO)
  90           wParam = MAKELONG(IDCANCEL, HIWORD(wParam));
  91         /* Fall through ... */
  92       case IDOK:
  93       case IDCANCEL:
  94
  95         TRACE("WM_COMMAND: id=%s data=%p\n",
  96               LOWORD(wParam) == IDOK ? "IDOK" : "IDCANCEL", d);
  97
  98         if (SendMessageW(GetDlgItem(hDlg, IDC_ERR_DONT_SHOW), BM_GETCHECK, 0L, 0L))
  99         {
 100           DWORD dwZero = 0;
 101
 102           /* The user clicked 'don't show again', so set the key */
 103           SHRegSetUSValueW(szDontShowKey, d->lpszId, REG_DWORD, &dwZero,
 104                            sizeof(dwZero), SHREGSET_DEFAULT);
 105         }
 106         if (!d->dlgProc || !d->dlgProc(hDlg, uMsg, wParam, lParam))
 107           EndDialog(hDlg, wParam);
 108         return TRUE;
 109     }
 110     break;
 111
 112   default:
 113     break;
 114   }
 115
 116   if (d && d->dlgProc)
 117     return d->dlgProc(hDlg, uMsg, wParam, lParam);
 118   return FALSE;
 119 }
 120
 121 /*************************************************************************
 122  * @ [SHLWAPI.291]
 123  *
 124  * Pop up a 'Don't show this message again' dialogue box.
 125  *
 126  * PARAMS
 127  *  hWnd     [I] Window to be the dialogues' parent
 128  *  hInst    [I] Instance of the module holding the dialogue resource
 129  *  lpszName [I] Resource Id of the dialogue resource
 130  *  dlgProc  [I] Dialog procedure, or NULL for default handling
 131  *  lParam   [I] LPARAM to pass to dlgProc
 132  *  iRet     [I] Value to return if dialogue is not shown
 133  *  lpszId   [I] Name of registry subkey which determines whether to show the dialog
 134  *
 135  * RETURNS
 136  *  Success: The value returned from the dialogue procedure.
 137  *  Failure: iRet, if the dialogue resource could not be loaded or the dialogue
 138  *           should not be shown.
 139  *
 140  * NOTES
 141  *  Both lpszName and lpszId must be less than MAX_PATH in length.
 142  */
 143 INT_PTR WINAPI SHMessageBoxCheckExA(HWND hWnd, HINSTANCE hInst, LPCSTR lpszName,
 144                                     DLGPROC dlgProc, LPARAM lParam, INT_PTR iRet,
 145                                     LPCSTR lpszId)
 146 {
 147   WCHAR szNameBuff[MAX_PATH], szIdBuff[MAX_PATH];
 148   LPCWSTR szName = szNameBuff;
 149
 150   if (IS_INTRESOURCE(lpszName))
 151     szName = (LPCWSTR)lpszName; /* Resource Id or NULL */
 152   else
 153     MultiByteToWideChar(CP_ACP, 0, lpszName, -1, szNameBuff, MAX_PATH);
 154
 155   MultiByteToWideChar(CP_ACP, 0, lpszId, -1, szIdBuff, MAX_PATH);
 156
 157   return SHMessageBoxCheckExW(hWnd, hInst, szName, dlgProc, lParam, iRet, szIdBuff);
 158 }
 159
 160 /*************************************************************************
 161  * @ [SHLWAPI.292]
 162  *
 163  * Unicode version of SHMessageBoxCheckExW.
 164  */
 165 INT_PTR WINAPI SHMessageBoxCheckExW(HWND hWnd, HINSTANCE hInst, LPCWSTR lpszName,
 166                                     DLGPROC dlgProc, LPARAM lParam, INT_PTR iRet, LPCWSTR lpszId)
 167 {
 168   DLGDATAEX d;
 169
 170   if (!SHRegGetBoolUSValueW(szDontShowKey, lpszId, FALSE, TRUE))
 171     return iRet;
 172
 173   d.dlgProc = dlgProc;
 174   d.lParam = lParam;
 175   d.lpszId = lpszId;
 176   return DialogBoxParamW(hInst, lpszName, hWnd, SHDlgProcEx, (LPARAM)&d);
 177 }
 178
 179 /* Data held by each shlwapi message box */
 180 typedef struct tagDLGDATA
 181 {
 182   LPCWSTR lpszTitle; /* User supplied message title */
 183   LPCWSTR lpszText;  /* User supplied message text */
 184   DWORD   dwType;    /* Message box type */
 185 } DLGDATA;
 186
 187 /* Dialogue procedure for shlwapi message boxes */
 188 static INT_PTR CALLBACK SHDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
 189 {
 190   TRACE("(%p,%u,%ld,%ld)\n", hDlg, uMsg, wParam, lParam);
 191
 192   switch (uMsg)
 193   {
 194   case WM_INITDIALOG:
 195   {
 196     DLGDATA *d = (DLGDATA *)lParam;
 197     TRACE("WM_INITDIALOG: %p, %s,%s,%d\n", hDlg, debugstr_w(d->lpszTitle),
 198           debugstr_w(d->lpszText), d->dwType);
 199
 200     SetWindowTextW(hDlg, d->lpszTitle);
 201     SetWindowTextW(GetDlgItem(hDlg, IDS_ERR_USER_MSG), d->lpszText);
 202
 203     /* Set buttons according to dwType */
 204     switch (d->dwType)
 205     {
 206     case 0:
 207       ShowWindow(GetDlgItem(hDlg, IDCANCEL), SW_HIDE);
 208       /* FIXME: Move OK button to position of the Cancel button (cosmetic) */
 209     case 1:
 210       ShowWindow(GetDlgItem(hDlg, IDYES), SW_HIDE);
 211       ShowWindow(GetDlgItem(hDlg, IDNO), SW_HIDE);
 212       break;
 213     default:
 214       ShowWindow(GetDlgItem(hDlg, IDOK), SW_HIDE);
 215       ShowWindow(GetDlgItem(hDlg, IDCANCEL), SW_HIDE);
 216       break;
 217     }
 218     return TRUE;
 219   }
 220   default:
 221     break;
 222   }
 223   return FALSE;
 224 }
 225
 226 /*************************************************************************
 227  * @ [SHLWAPI.185]
 228  *
 229  * Pop up a 'Don't show this message again' dialogue box.
 230  *
 231  * PARAMS
 232  *  hWnd      [I] Window to be the dialogues' parent
 233  *  lpszText  [I] Text of the message to show
 234  *  lpszTitle [I] Title of the dialogue box
 235  *  dwType    [I] Type of dialogue buttons (See below)
 236  *  iRet      [I] Value to return if dialogue is not shown
 237  *  lpszId    [I] Name of registry subkey which determines whether to show the dialog
 238  *
 239  * RETURNS
 240  *  Success: The value returned from the dialogue procedure (e.g. IDOK).
 241  *  Failure: iRet, if the default dialogue resource could not be loaded or the
 242  *           dialogue should not be shown.
 243  *
 244  * NOTES
 245  *  - Both lpszTitle and lpszId must be less than MAX_PATH in length.
 246  *  - Possible values for dwType are:
 247  *| Value     Buttons
 248  *| -----     -------
 249  *|   0       OK
 250  *|   1       OK/Cancel
 251  *|   2       Yes/No
 252  */
 253 INT_PTR WINAPI SHMessageBoxCheckA(HWND hWnd, LPCSTR lpszText, LPCSTR lpszTitle,
 254                                   DWORD dwType, INT_PTR iRet, LPCSTR lpszId)
 255 {
 256   WCHAR szTitleBuff[MAX_PATH], szIdBuff[MAX_PATH];
 257   WCHAR *szTextBuff = NULL;
 258   int iLen;
 259   INT_PTR iRetVal;
 260
 261   if (lpszTitle)
 262     MultiByteToWideChar(CP_ACP, 0, lpszTitle, -1, szTitleBuff, MAX_PATH);
 263
 264   if (lpszText)
 265   {
 266     iLen = MultiByteToWideChar(CP_ACP, 0, lpszText, -1, NULL, 0);
 267     szTextBuff = HeapAlloc(GetProcessHeap(), 0, iLen * sizeof(WCHAR));
 268     MultiByteToWideChar(CP_ACP, 0, lpszText, -1, szTextBuff, iLen);
 269   }
 270
 271   MultiByteToWideChar(CP_ACP, 0, lpszId, -1, szIdBuff, MAX_PATH);
 272
 273   iRetVal = SHMessageBoxCheckW(hWnd, szTextBuff, lpszTitle ? szTitleBuff : NULL,
 274                                dwType, iRet, szIdBuff);
 275   HeapFree(GetProcessHeap(), 0, szTextBuff);
 276   return iRetVal;
 277 }
 278
 279 /*************************************************************************
 280  * @ [SHLWAPI.191]
 281  *
 282  * Unicode version of SHMessageBoxCheckA.
 283  */
 284 INT_PTR WINAPI SHMessageBoxCheckW(HWND hWnd, LPCWSTR lpszText, LPCWSTR lpszTitle,
 285                                   DWORD dwType, INT_PTR iRet, LPCWSTR lpszId)
 286 {
 287   DLGDATA d;
 288
 289   d.lpszTitle = lpszTitle;
 290   d.lpszText = lpszText;
 291   d.dwType = dwType;
 292
 293   return SHMessageBoxCheckExW(hWnd, shlwapi_hInstance, (LPCWSTR)IDD_ERR_DIALOG,
 294                                SHDlgProc, (LPARAM)&d, iRet, lpszId);
 295 }