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