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         INT i;
  39         nclm.cbSize = sizeof(NONCLIENTMETRICSA);
  40         SystemParametersInfoA (SPI_GETNONCLIENTMETRICS, 0, &nclm, 0);
  41         hFont = CreateFontIndirectA (&nclm.lfMessageFont);
  42         /* set button font */
  43         for (i=1; i < 8; i++)
  44             SendDlgItemMessageA (hwnd, i, WM_SETFONT, (WPARAM)hFont, 0);
  45         /* set text font */
  46         SendDlgItemMessageA (hwnd, MSGBOX_IDTEXT, WM_SETFONT, (WPARAM)hFont, 0);
  47     }
  48     if (HIWORD(lpmb->lpszCaption)) {
  49        SetWindowTextA(hwnd, lpmb->lpszCaption);
  50     } else {
  51        if (LoadStringA(lpmb->hInstance, LOWORD(lpmb->lpszCaption), buf, sizeof(buf)))
  52           SetWindowTextA(hwnd, buf);
  53     }
  54     if (HIWORD(lpmb->lpszText)) {
  55        lpszText = lpmb->lpszText;
  56     } else {
  57        lpszText = buf;
  58        if (!LoadStringA(lpmb->hInstance, LOWORD(lpmb->lpszText), buf, sizeof(buf)))
  59           *buf = 0;     /* FIXME ?? */
  60     }
  61     SetWindowTextA(GetDlgItem(hwnd, MSGBOX_IDTEXT), lpszText);
  62
  63     /* Hide not selected buttons */
  64     switch(lpmb->dwStyle & MB_TYPEMASK) {
  65     case MB_OK:
  66         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  67         /* fall through */
  68     case MB_OKCANCEL:
  69         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  70         ShowWindow(GetDlgItem(hwnd, IDRETRY), SW_HIDE);
  71         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  72         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  73         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  74         break;
  75     case MB_ABORTRETRYIGNORE:
  76         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  77         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  78         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  79         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  80         break;
  81     case MB_YESNO:
  82         ShowWindow(GetDlgItem(hwnd, IDCANCEL), SW_HIDE);
  83         /* fall through */
  84     case MB_YESNOCANCEL:
  85         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  86         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  87         ShowWindow(GetDlgItem(hwnd, IDRETRY), SW_HIDE);
  88         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  89         break;
  90     case MB_RETRYCANCEL:
  91         ShowWindow(GetDlgItem(hwnd, IDOK), SW_HIDE);
  92         ShowWindow(GetDlgItem(hwnd, IDABORT), SW_HIDE);
  93         ShowWindow(GetDlgItem(hwnd, IDIGNORE), SW_HIDE);
  94         ShowWindow(GetDlgItem(hwnd, IDYES), SW_HIDE);
  95         ShowWindow(GetDlgItem(hwnd, IDNO), SW_HIDE);
  96         break;
  97     }
  98     /* Set the icon */
  99     switch(lpmb->dwStyle & MB_ICONMASK) {
 100     case MB_ICONEXCLAMATION:
 101         SendDlgItemMessage16(hwnd, stc1, STM_SETICON16,
 102                              (WPARAM16)LoadIcon16(0, IDI_EXCLAMATION16), 0);
 103         break;
 104     case MB_ICONQUESTION:
 105         SendDlgItemMessage16(hwnd, stc1, STM_SETICON16,
 106                              (WPARAM16)LoadIcon16(0, IDI_QUESTION16), 0);
 107         break;
 108     case MB_ICONASTERISK:
 109         SendDlgItemMessage16(hwnd, stc1, STM_SETICON16,
 110                              (WPARAM16)LoadIcon16(0, IDI_ASTERISK16), 0);
 111         break;
 112     case MB_ICONHAND:
 113       SendDlgItemMessage16(hwnd, stc1, STM_SETICON16,
 114                              (WPARAM16)LoadIcon16(0, IDI_HAND16), 0);
 115       break;
 116     default:
 117         /* By default, Windows 95/98/NT do not associate an icon to message boxes.
 118          * So wine should do the same.
 119          */
 120         break;
 121     }
 122
 123     /* Position everything */
 124     GetWindowRect(hwnd, &rect);
 125     borheight = rect.bottom - rect.top;
 126     borwidth  = rect.right - rect.left;
 127     GetClientRect(hwnd, &rect);
 128     borheight -= rect.bottom - rect.top;
 129     borwidth  -= rect.right - rect.left;
 130
 131     /* Get the icon height */
 132     GetWindowRect(GetDlgItem(hwnd, MSGBOX_IDICON), &rect);
 133     MapWindowPoints(0, hwnd, (LPPOINT)&rect, 2);
 134     iheight = rect.bottom - rect.top;
 135     ileft = rect.left;
 136     iwidth = rect.right - ileft;
 137
 138     hdc = GetDC(hwnd);
 139     if (hFont)
 140         hPrevFont = SelectObject(hdc, hFont);
 141
 142     /* Get the number of visible buttons and their size */
 143     bh = bw = 1; /* Minimum button sizes */
 144     for (buttons = 0, i = 1; i < 8; i++)
 145     {
 146         hItem = GetDlgItem(hwnd, i);
 147         if (GetWindowLongA(hItem, GWL_STYLE) & WS_VISIBLE)
 148         {
 149             char buttonText[1024];
 150             int w, h;
 151             buttons++;
 152             if (GetWindowTextA(hItem, buttonText, sizeof buttonText))
 153             {
 154                 DrawTextA( hdc, buttonText, -1, &rect, DT_LEFT | DT_EXPANDTABS | DT_CALCRECT);
 155                 h = rect.bottom - rect.top;
 156                 w = rect.right - rect.left;
 157                 if (h > bh) bh = h;
 158                 if (w > bw)  bw = w ;
 159             }
 160         }
 161     }
 162     bw = max(bw, bh * 2);
 163     /* Button white space */
 164     bh = bh * 2;
 165     bw = bw * 2;
 166     bspace = bw/3; /* Space between buttons */
 167
 168     /* Get the text size */
 169     GetClientRect(GetDlgItem(hwnd, MSGBOX_IDTEXT), &rect);
 170     rect.top = rect.left = rect.bottom = 0;
 171     DrawTextA( hdc, lpszText, -1, &rect,
 172                DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_CALCRECT);
 173     /* Min text width corresponds to space for the buttons */
 174     tleft = 2 * ileft + iwidth;
 175     twidth = max((bw + bspace) * buttons + bspace - tleft, rect.right);
 176     theight = rect.bottom;
 177
 178     if (hFont)
 179         SelectObject(hdc, hPrevFont);
 180     ReleaseDC(hItem, hdc);
 181
 182     tiheight = 16 + max(iheight, theight);
 183     wwidth  = tleft + twidth + ileft + borwidth;
 184     wheight = 8 + tiheight + bh + borheight;
 185
 186     /* Resize the window */
 187     SetWindowPos(hwnd, 0, 0, 0, wwidth, wheight,
 188                  SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 189
 190     /* Position the icon */
 191     SetWindowPos(GetDlgItem(hwnd, MSGBOX_IDICON), 0, ileft, (tiheight - iheight) / 2, 0, 0,
 192                  SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 193
 194     /* Position the text */
 195     SetWindowPos(GetDlgItem(hwnd, MSGBOX_IDTEXT), 0, tleft, (tiheight - theight) / 2, twidth, theight,
 196                  SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW);
 197
 198     /* Position the buttons */
 199     bpos = (wwidth - (bw + bspace) * buttons + bspace) / 2;
 200     for (buttons = i = 0; i < 7; i++) {
 201         /* some arithmetic to get the right order for YesNoCancel windows */
 202         hItem = GetDlgItem(hwnd, (i + 5) % 7 + 1);
 203         if (GetWindowLongA(hItem, GWL_STYLE) & WS_VISIBLE) {
 204             if (buttons++ == ((lpmb->dwStyle & MB_DEFMASK) >> 8)) {
 205                 SetFocus(hItem);
 206                 SendMessageA( hItem, BM_SETSTYLE, BS_DEFPUSHBUTTON, TRUE );
 207             }
 208             SetWindowPos(hItem, 0, bpos, tiheight, bw, bh,
 209                          SWP_NOZORDER|SWP_NOACTIVATE|SWP_NOREDRAW);
 210             bpos += bw + bspace;
 211         }
 212     }
 213     return hFont;
 214 }
 215
 216
 217 /**************************************************************************
 218  *           MSGBOX_DlgProc
 219  *
 220  * Dialog procedure for message boxes.
 221  */
 222 static LRESULT CALLBACK MSGBOX_DlgProc( HWND hwnd, UINT message,
 223                                         WPARAM wParam, LPARAM lParam )
 224 {
 225   static HFONT hFont;
 226   switch(message) {
 227    case WM_INITDIALOG:
 228     hFont = MSGBOX_OnInit(hwnd, (LPMSGBOXPARAMSA)lParam);
 229     return 0;
 230
 231    case WM_COMMAND:
 232     switch (wParam)
 233     {
 234      case IDOK:
 235      case IDCANCEL:
 236      case IDABORT:
 237      case IDRETRY:
 238      case IDIGNORE:
 239      case IDYES:
 240      case IDNO:
 241       EndDialog(hwnd, wParam);
 242       if (hFont)
 243           DeleteObject(hFont);
 244       break;
 245     }
 246
 247    default:
 248      /* Ok. Ignore all the other messages */
 249      TRACE("Message number %i is being ignored.\n", message);
 250     break;
 251   }
 252   return 0;
 253 }
 254
 255
 256 /**************************************************************************
 257  *           MessageBox16   (USER.1)
 258  */
 259 INT16 WINAPI MessageBox16( HWND16 hwnd, LPCSTR text, LPCSTR title, UINT16 type)
 260 {
 261     WARN("Messagebox\n");
 262     return MessageBoxA( hwnd, text, title, type );
 263 }
 264
 265
 266 /**************************************************************************
 267  *           MessageBoxA   (USER32.391)
 268  *
 269  * NOTES
 270  *   The WARN is here to help debug erroneous MessageBoxes
 271  *   Use: -debugmsg warn+dialog,+relay
 272  */
 273 INT WINAPI MessageBoxA(HWND hWnd, LPCSTR text, LPCSTR title, UINT type)
 274 {
 275     LPVOID template;
 276     HRSRC hRes;
 277     MSGBOXPARAMSA mbox;
 278
 279     WARN("Messagebox\n");
 280
 281     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 282         return 0;
 283     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 284         return 0;
 285
 286     if (!text) text="<WINE-NULL>";
 287     if (!title)
 288       title="Error";
 289     mbox.lpszCaption = title;
 290     mbox.lpszText  = text;
 291     mbox.dwStyle  = type;
 292     return DialogBoxIndirectParamA( GetWindowLongA(hWnd,GWL_HINSTANCE), template,
 293                                       hWnd, (DLGPROC)MSGBOX_DlgProc, (LPARAM)&mbox );
 294 }
 295
 296
 297 /**************************************************************************
 298  *           MessageBoxW   (USER32.396)
 299  */
 300 INT WINAPI MessageBoxW( HWND hwnd, LPCWSTR text, LPCWSTR title,
 301                             UINT type )
 302 {
 303     LPSTR titleA = HEAP_strdupWtoA( GetProcessHeap(), 0, title );
 304     LPSTR textA  = HEAP_strdupWtoA( GetProcessHeap(), 0, text );
 305     INT ret;
 306
 307     WARN("Messagebox\n");
 308
 309     ret = MessageBoxA( hwnd, textA, titleA, type );
 310     HeapFree( GetProcessHeap(), 0, titleA );
 311     HeapFree( GetProcessHeap(), 0, textA );
 312     return ret;
 313 }
 314
 315
 316 /**************************************************************************
 317  *           MessageBoxExA   (USER32.392)
 318  */
 319 INT WINAPI MessageBoxExA( HWND hWnd, LPCSTR text, LPCSTR title,
 320                               UINT type, WORD langid )
 321 {
 322     WARN("Messagebox\n");
 323     /* ignore language id for now */
 324     return MessageBoxA(hWnd,text,title,type);
 325 }
 326
 327 /**************************************************************************
 328  *           MessageBoxExW   (USER32.393)
 329  */
 330 INT WINAPI MessageBoxExW( HWND hWnd, LPCWSTR text, LPCWSTR title,
 331                               UINT type, WORD langid )
 332 {
 333     WARN("Messagebox\n");
 334     /* ignore language id for now */
 335     return MessageBoxW(hWnd,text,title,type);
 336 }
 337
 338 /**************************************************************************
 339  *           MessageBoxIndirect16   (USER.827)
 340  */
 341 INT16 WINAPI MessageBoxIndirect16( LPMSGBOXPARAMS16 msgbox )
 342 {
 343     LPVOID template;
 344     HRSRC hRes;
 345     MSGBOXPARAMSA msgbox32;
 346
 347     WARN("Messagebox\n");
 348
 349     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 350         return 0;
 351     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 352         return 0;
 353
 354     msgbox32.cbSize             = msgbox->cbSize;
 355     msgbox32.hwndOwner          = msgbox->hwndOwner;
 356     msgbox32.hInstance          = msgbox->hInstance;
 357     msgbox32.lpszText           = PTR_SEG_TO_LIN(msgbox->lpszText);
 358     msgbox32.lpszCaption        = PTR_SEG_TO_LIN(msgbox->lpszCaption);
 359     msgbox32.dwStyle            = msgbox->dwStyle;
 360     msgbox32.lpszIcon           = PTR_SEG_TO_LIN(msgbox->lpszIcon);
 361     msgbox32.dwContextHelpId    = msgbox->dwContextHelpId;
 362     msgbox32.lpfnMsgBoxCallback = msgbox->lpfnMsgBoxCallback;
 363     msgbox32.dwLanguageId       = msgbox->dwLanguageId;
 364
 365     return DialogBoxIndirectParamA( msgbox32.hInstance, template,
 366                                       msgbox32.hwndOwner, (DLGPROC)MSGBOX_DlgProc,
 367                                       (LPARAM)&msgbox32 );
 368 }
 369
 370 /**************************************************************************
 371  *           MessageBoxIndirectA   (USER32.394)
 372  */
 373 INT WINAPI MessageBoxIndirectA( LPMSGBOXPARAMSA msgbox )
 374 {
 375     LPVOID template;
 376     HRSRC hRes;
 377
 378     WARN("Messagebox\n");
 379
 380     if(!(hRes = FindResourceA(GetModuleHandleA("USER32"), "MSGBOX", RT_DIALOGA)))
 381         return 0;
 382     if(!(template = (LPVOID)LoadResource(GetModuleHandleA("USER32"), hRes)))
 383         return 0;
 384
 385     return DialogBoxIndirectParamA( msgbox->hInstance, template,
 386                                       msgbox->hwndOwner, (DLGPROC)MSGBOX_DlgProc,
 387                                       (LPARAM)msgbox );
 388 }
 389
 390 /**************************************************************************
 391  *           MessageBoxIndirectW   (USER32.395)
 392  */
 393 INT WINAPI MessageBoxIndirectW( LPMSGBOXPARAMSW msgbox )
 394 {
 395     MSGBOXPARAMSA       msgboxa;
 396     WARN("Messagebox\n");
 397
 398     memcpy(&msgboxa,msgbox,sizeof(msgboxa));
 399     if (msgbox->lpszCaption)
 400       lstrcpyWtoA((LPSTR)msgboxa.lpszCaption,msgbox->lpszCaption);
 401     if (msgbox->lpszText)
 402       lstrcpyWtoA((LPSTR)msgboxa.lpszText,msgbox->lpszText);
 403
 404     return MessageBoxIndirectA(&msgboxa);
 405 }