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