windows/msgbox.c

   1 /*
   2  * Message boxes
   3  *
   4  * Copyright 1995 Bernd Schmidt
   5  */
   6
   7 #include <string.h>
   8
   9 #include "windef.h"
  10 #include "wingdi.h"
  11 #include "wine/winbase16.h"
  12 #include "wine/winuser16.h"
  13 #include "dlgs.h"
  14 #include "heap.h"
  15 #include "user.h"
  16 #include "debugtools.h"
  17
  18 DEFAULT_DEBUG_CHANNEL(dialog);
  19
  20 #define MSGBOX_IDICON 1088
  21 #define MSGBOX_IDTEXT 100
  22
  23 static HFONT MSGBOX_OnInit(HWND hwnd, LPMSGBOXPARAMSA lpmb)
  24 {
  25     static HFONT hFont = 0, hPrevFont = 0;
  26     RECT rect;
  27     HWND hItem;
  28     HDC hdc;
  29     int i, buttons;
  30     int bspace, bw, bh, theight, tleft, wwidth, wheight, bpos;
  31     int borheight, borwidth, iheight, ileft, iwidth, twidth, tiheight;
  32     LPCSTR lpszText;
  33     char buf[256];
  34
  35     if (TWEAK_WineLook >= WIN95_LOOK) {
  36         NONCLIENTMETRICSA nclm;
  37         nclm.cbSize = sizeof(NONCLIENTMETRICSA);
  38         SystemParametersInfoA (SPI_GETNONCLIENTMETRICS, 0, &nclm, 0);
  39         hFont = CreateFontIndirectA (&nclm.lfMessageFont);
  40         /* set button font */
  41         for (i=1; i < 8; i++)
  42             SendDlgItemMessageA (hwnd, i, WM_SETFONT, (WPARAM)hFont, 0);
  43         /* set text font */
  44         SendDlgItemMessageA (hwnd, MSGBOX_IDTEXT, WM_SETFONT, (WPARAM)hFont, 0);
  45     }
  46     if (HIWORD(lpmb->lpszCaption)) {
  47        SetWindowTextA(hwnd, lpmb->lpszCaption);
  48     } else {
  49        if (LoadStringA(lpmb->hInstance, LOWORD(lpmb->lpszCaption), buf, sizeof(buf)))
  50           SetWindowTextA(hwnd, buf);
  51     }
  52     if (HIWORD(lpmb->lpszText)) {
  53        lpszText = lpmb->lpszText;
  54     } else {
  55        lpszText = buf;
  56        if (!LoadStringA(lpmb->hInstance, LOWORD(lpmb->lpszText), buf, sizeof(buf)))
  57           *buf = 0;     /* FIXME ?? */
  58     }
  59     SetWindowTextA(GetDlgItem(hwnd, MSGBOX_IDTEXT), lpszText);
  60
  61     /* Hide not selected buttons */
  62     switch(lpmb->dwStyle & MB_TYPEMASK) {
  63     case MB_OK:
  64         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  65         /* fall through */
  66     case MB_OKCANCEL:
  67         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  68         ShowWindow(GetDlgItem(hwnd, IDRETRY), SW_HIDE);
  69         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  70         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  71         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  72         break;
  73     case MB_ABORTRETRYIGNORE:
  74         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  75         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  76         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  77         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  78         break;
  79     case MB_YESNO:
  80         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  81         /* fall through */
  82     case MB_YESNOCANCEL:
  83         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  84         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  85         ShowWindow(GetDlgItem(hwnd, IDRETRY), SW_HIDE);
  86         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  87         break;
  88     case MB_RETRYCANCEL:
  89         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  90         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  91         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  92         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  93         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  94         break;
  95     }
  96     /* Set the icon */
  97     switch(lpmb->dwStyle & MB_ICONMASK) {
  98     case MB_ICONEXCLAMATION:
  99         SendDlgItemMessageA(hwnd, stc1, STM_SETICON, LoadIconA(0, IDI_EXCLAMATIONA), 0);
 100         break;
 101     case MB_ICONQUESTION:
 102         SendDlgItemMessageA(hwnd, stc1, STM_SETICON, LoadIconA(0, IDI_QUESTIONA), 0);
 103         break;
 104     case MB_ICONASTERISK:
 105         SendDlgItemMessageA(hwnd, stc1, STM_SETICON, LoadIconA(0, IDI_ASTERISKA), 0);
 106         break;
 107     case MB_ICONHAND:
 108       SendDlgItemMessageA(hwnd, stc1, STM_SETICON, LoadIconA(0, IDI_HANDA), 0);
 109       break;
 110     default:
 111         /* By default, Windows 95/98/NT do not associate an icon to message boxes.
 112          * So wine should do the same.
 113          */
 114         break;
 115     }
 116
 117     /* Position everything */
 118     GetWindowRect(hwnd, &rect);
 119     borheight = rect.bottom - rect.top;
 120     borwidth  = rect.right - rect.left;
 121     GetClientRect(hwnd, &rect);
 122     borheight -= rect.bottom - rect.top;
 123     borwidth  -= rect.right - rect.left;
 124
 125     /* Get the icon height */
 126     GetWindowRect(GetDlgItem(hwnd, MSGBOX_IDICON), &rect);
 127     MapWindowPoints(0, hwnd, (LPPOINT)&rect, 2);
 128     iheight = rect.bottom - rect.top;
 129     ileft = rect.left;
 130     iwidth = rect.right - ileft;
 131
 132     hdc = GetDC(hwnd);
 133     if (hFont)
 134         hPrevFont = SelectObject(hdc, hFont);
 135
 136     /* Get the number of visible buttons and their size */
 137     bh = bw = 1; /* Minimum button sizes */
 138     for (buttons = 0, i = 1; i < 8; i++)
 139     {
 140         hItem = GetDlgItem(hwnd, i);
 141         if (GetWindowLongA(hItem, GWL_STYLE) & WS_VISIBLE)
 142         {
 143             char buttonText[1024];
 144             int w, h;
 145             buttons++;
 146             if (GetWindowTextA(hItem, buttonText, sizeof buttonText))
 147             {
 148                 DrawTextA( hdc, buttonText, -1, &rect, DT_LEFT | DT_EXPANDTABS | DT_CALCRECT);
 149                 h = rect.bottom - rect.top;
 150                 w = rect.right - rect.left;
 151                 if (h > bh) bh = h;
 152                 if (w > bw)  bw = w ;
 153             }
 154         }
 155     }
 156     bw = max(bw, bh * 2);
 157     /* Button white space */
 158     bh = bh * 2;
 159     bw = bw * 2;
 160     bspace = bw/3; /* Space between buttons */
 161
 162     /* Get the text size */
 163     GetClientRect(GetDlgItem(hwnd, MSGBOX_IDTEXT), &rect);
 164     rect.top = rect.left = rect.bottom = 0;
 165     DrawTextA( hdc, lpszText, -1, &rect,
 166                DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_CALCRECT);
 167     /* Min text width corresponds to space for the buttons */
 168     tleft = 2 * ileft + iwidth;
 169     twidth = max((bw + bspace) * buttons + bspace - tleft, rect.right);
 170     theight = rect.bottom;
 171
 172     if (hFont)
 173         SelectObject(hdc, hPrevFont);
 174     ReleaseDC(hItem, hdc);
 175
 176     tiheight = 16 + max(iheight, theight);
 177     wwidth  = tleft + twidth + ileft + borwidth;
 178     wheight = 8 + tiheight + bh + borheight;
 179
 180     /* Resize the window */
 181     SetWindowPos(hwnd, 0, 0, 0, wwidth, wheight,
 182                  SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 183
 184     /* Position the icon */
 185     SetWindowPos(GetDlgItem(hwnd, MSGBOX_IDICON), 0, ileft, (tiheight - iheight) / 2, 0, 0,
 186                  SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 187
 188     /* Position the text */
 189     SetWindowPos(GetDlgItem(hwnd, MSGBOX_IDTEXT), 0, tleft, (tiheight - theight) / 2, twidth, theight,
 190                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 191
 192     /* Position the buttons */
 193     bpos = (wwidth - (bw + bspace) * buttons + bspace) / 2;
 194     for (buttons = i = 0; i < 7; i++) {
 195         /* some arithmetic to get the right order for YesNoCancel windows */
 196         hItem = GetDlgItem(hwnd, (i + 5) % 7 + 1);
 197         if (GetWindowLongA(hItem, GWL_STYLE) & WS_VISIBLE) {
 198             if (buttons++ == ((lpmb->dwStyle & MB_DEFMASK) >> 8)) {
 199                 SetFocus(hItem);
 200                 SendMessageA( hItem, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
 201             }
 202             SetWindowPos(hItem, 0, bpos, tiheight, bw, bh,
 203                          SWP_NOZORDER|SWP_NOACTIVATE|SWP_NOREDRAW);
 204             bpos += bw + bspace;
 205         }
 206     }
 207
 208     /* handle modal MessageBoxes */
 209     if (lpmb->dwStyle & (MB_TASKMODAL|MB_SYSTEMMODAL))
 210     {
 211         FIXME("%s modal msgbox ! Not modal yet.\n",
 212                 lpmb->dwStyle & MB_TASKMODAL ? "task" : "system");
 213         /* Probably do EnumTaskWindows etc. here for TASKMODAL
 214          * and work your way up to the top - I'm lazy (HWND_TOP) */
 215         SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0,
 216                         SWP_NOSIZE | SWP_NOMOVE);
 217         if (lpmb->dwStyle & MB_TASKMODAL)
 218             /* at least MB_TASKMODAL seems to imply a ShowWindow */
 219             ShowWindow(hwnd, SW_SHOW);
 220     }
 221     if (lpmb->dwStyle & MB_APPLMODAL)
 222         FIXME("app modal msgbox ! Not modal yet.\n");
 223
 224     return hFont;
 225 }
 226
 227
 228 /**************************************************************************
 229  *           MSGBOX_DlgProc
 230  *
 231  * Dialog procedure for message boxes.
 232  */
 233 static LRESULT CALLBACK MSGBOX_DlgProc( HWND hwnd, UINT message,
 234                                         WPARAM wParam, LPARAM lParam )
 235 {
 236   static HFONT hFont;
 237   switch(message) {
 238    case WM_INITDIALOG:
 239     hFont = MSGBOX_OnInit(hwnd, (LPMSGBOXPARAMSA)lParam);
 240     return 0;
 241
 242    case WM_COMMAND:
 243     switch (wParam)
 244     {
 245      case IDOK:
 246      case IDCANCEL:
 247      case IDABORT:
 248      case IDRETRY:
 249      case IDIGNORE:
 250      case IDYES:
 251      case IDNO:
 252       EndDialog(hwnd, wParam);
 253       if (hFont)
 254           DeleteObject(hFont);
 255       break;
 256     }
 257
 258    default:
 259      /* Ok. Ignore all the other messages */
 260      TRACE("Message number 0x%04x is being ignored.\n", message);
 261     break;
 262   }
 263   return 0;
 264 }
 265
 266
 267 /**************************************************************************
 268  *              MessageBox (USER.1)
 269  */
 270 INT16 WINAPI MessageBox16( HWND16 hwnd, LPCSTR text, LPCSTR title, UINT16 type)
 271 {
 272     WARN("Messagebox\n");
 273     return MessageBoxA( hwnd, text, title, type );
 274 }
 275
 276
 277 /**************************************************************************
 278  *              MessageBoxA (USER32.@)
 279  *
 280  * NOTES
 281  *   The WARN is here to help debug erroneous MessageBoxes
 282  *   Use: -debugmsg warn+dialog,+relay
 283  */
 284 INT WINAPI MessageBoxA(HWND hWnd, LPCSTR text, LPCSTR title, UINT type)
 285 {
 286     LPVOID template;
 287     HRSRC hRes;
 288     MSGBOXPARAMSA mbox;
 289
 290     WARN("Messagebox\n");
 291
 292     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 293         return 0;
 294     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 295         return 0;
 296
 297     if (!text) text="<WINE-NULL>";
 298     if (!title)
 299       title="Error";
 300     mbox.lpszCaption = title;
 301     mbox.lpszText  = text;
 302     mbox.dwStyle  = type;
 303     return DialogBoxIndirectParamA( GetWindowLongA(hWnd,GWL_HINSTANCE), template,
 304                                       hWnd, (DLGPROC)MSGBOX_DlgProc, (LPARAM)&mbox );
 305 }
 306
 307
 308 /**************************************************************************
 309  *              MessageBoxW (USER32.@)
 310  */
 311 INT WINAPI MessageBoxW( HWND hwnd, LPCWSTR text, LPCWSTR title,
 312                             UINT type )
 313 {
 314     LPSTR titleA = HEAP_strdupWtoA( GetProcessHeap(), 0, title );
 315     LPSTR textA  = HEAP_strdupWtoA( GetProcessHeap(), 0, text );
 316     INT ret;
 317
 318     WARN("Messagebox\n");
 319
 320     ret = MessageBoxA( hwnd, textA, titleA, type );
 321     HeapFree( GetProcessHeap(), 0, titleA );
 322     HeapFree( GetProcessHeap(), 0, textA );
 323     return ret;
 324 }
 325
 326
 327 /**************************************************************************
 328  *              MessageBoxExA (USER32.@)
 329  */
 330 INT WINAPI MessageBoxExA( HWND hWnd, LPCSTR text, LPCSTR title,
 331                               UINT type, WORD langid )
 332 {
 333     WARN("Messagebox\n");
 334     /* ignore language id for now */
 335     return MessageBoxA(hWnd,text,title,type);
 336 }
 337
 338 /**************************************************************************
 339  *              MessageBoxExW (USER32.@)
 340  */
 341 INT WINAPI MessageBoxExW( HWND hWnd, LPCWSTR text, LPCWSTR title,
 342                               UINT type, WORD langid )
 343 {
 344     WARN("Messagebox\n");
 345     /* ignore language id for now */
 346     return MessageBoxW(hWnd,text,title,type);
 347 }
 348
 349 /**************************************************************************
 350  *              MessageBoxIndirect (USER.827)
 351  */
 352 INT16 WINAPI MessageBoxIndirect16( LPMSGBOXPARAMS16 msgbox )
 353 {
 354     LPVOID template;
 355     HRSRC hRes;
 356     MSGBOXPARAMSA msgbox32;
 357
 358     WARN("Messagebox\n");
 359
 360     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 361         return 0;
 362     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 363         return 0;
 364
 365     msgbox32.cbSize             = msgbox->cbSize;
 366     msgbox32.hwndOwner          = msgbox->hwndOwner;
 367     msgbox32.hInstance          = msgbox->hInstance;
 368     msgbox32.lpszText           = MapSL(msgbox->lpszText);
 369     msgbox32.lpszCaption        = MapSL(msgbox->lpszCaption);
 370     msgbox32.dwStyle            = msgbox->dwStyle;
 371     msgbox32.lpszIcon           = MapSL(msgbox->lpszIcon);
 372     msgbox32.dwContextHelpId    = msgbox->dwContextHelpId;
 373     msgbox32.lpfnMsgBoxCallback = msgbox->lpfnMsgBoxCallback;
 374     msgbox32.dwLanguageId       = msgbox->dwLanguageId;
 375
 376     return DialogBoxIndirectParamA( msgbox32.hInstance, template,
 377                                       msgbox32.hwndOwner, (DLGPROC)MSGBOX_DlgProc,
 378                                       (LPARAM)&msgbox32 );
 379 }
 380
 381 /**************************************************************************
 382  *              MessageBoxIndirectA (USER32.@)
 383  */
 384 INT WINAPI MessageBoxIndirectA( LPMSGBOXPARAMSA msgbox )
 385 {
 386     LPVOID template;
 387     HRSRC hRes;
 388
 389     WARN("Messagebox\n");
 390
 391     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 392         return 0;
 393     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 394         return 0;
 395
 396     return DialogBoxIndirectParamA( msgbox->hInstance, template,
 397                                       msgbox->hwndOwner, (DLGPROC)MSGBOX_DlgProc,
 398                                       (LPARAM)msgbox );
 399 }
 400
 401 /**************************************************************************
 402  *              MessageBoxIndirectW (USER32.@)
 403  */
 404 INT WINAPI MessageBoxIndirectW( LPMSGBOXPARAMSW msgbox )
 405 {
 406     MSGBOXPARAMSA       msgboxa;
 407     memcpy(&msgboxa,msgbox,sizeof(msgboxa));
 408     msgboxa.lpszCaption = HEAP_strdupWtoA( GetProcessHeap(), 0, msgbox->lpszCaption );
 409     msgboxa.lpszText = HEAP_strdupWtoA( GetProcessHeap(), 0, msgbox->lpszText );
 410     msgboxa.lpszIcon = HEAP_strdupWtoA( GetProcessHeap(), 0, msgbox->lpszIcon );
 411     return MessageBoxIndirectA(&msgboxa);
 412 }