controls/button.c

   1 /* File: button.c -- Button type widgets
   2  *
   3  * Copyright (C) 1993 Johannes Ruscheinski
   4  * Copyright (C) 1993 David Metcalfe
   5  * Copyright (C) 1994 Alexandre Julliard
   6  */
   7
   8 #include <string.h>
   9 #include "win.h"
  10 #include "button.h"
  11 #include "winuser.h"
  12 #include "wine/winuser16.h"
  13 #include "tweak.h"
  14
  15 static void PaintGrayOnGray( HDC hDC,HFONT hFont,RECT *rc,
  16                              char *text, UINT format );
  17
  18 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
  19 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
  20 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
  21 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
  22 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action );
  23 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
  24
  25 #define MAX_BTN_TYPE  12
  26
  27 static const WORD maxCheckState[MAX_BTN_TYPE] =
  28 {
  29     BUTTON_UNCHECKED,   /* BS_PUSHBUTTON */
  30     BUTTON_UNCHECKED,   /* BS_DEFPUSHBUTTON */
  31     BUTTON_CHECKED,     /* BS_CHECKBOX */
  32     BUTTON_CHECKED,     /* BS_AUTOCHECKBOX */
  33     BUTTON_CHECKED,     /* BS_RADIOBUTTON */
  34     BUTTON_3STATE,      /* BS_3STATE */
  35     BUTTON_3STATE,      /* BS_AUTO3STATE */
  36     BUTTON_UNCHECKED,   /* BS_GROUPBOX */
  37     BUTTON_UNCHECKED,   /* BS_USERBUTTON */
  38     BUTTON_CHECKED,     /* BS_AUTORADIOBUTTON */
  39     BUTTON_UNCHECKED,   /* Not defined */
  40     BUTTON_UNCHECKED    /* BS_OWNERDRAW */
  41 };
  42
  43 typedef void (*pfPaint)( WND *wndPtr, HDC hdc, WORD action );
  44
  45 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
  46 {
  47     PB_Paint,    /* BS_PUSHBUTTON */
  48     PB_Paint,    /* BS_DEFPUSHBUTTON */
  49     CB_Paint,    /* BS_CHECKBOX */
  50     CB_Paint,    /* BS_AUTOCHECKBOX */
  51     CB_Paint,    /* BS_RADIOBUTTON */
  52     CB_Paint,    /* BS_3STATE */
  53     CB_Paint,    /* BS_AUTO3STATE */
  54     GB_Paint,    /* BS_GROUPBOX */
  55     UB_Paint,    /* BS_USERBUTTON */
  56     CB_Paint,    /* BS_AUTORADIOBUTTON */
  57     NULL,        /* Not defined */
  58     OB_Paint     /* BS_OWNERDRAW */
  59 };
  60
  61 #define PAINT_BUTTON(wndPtr,style,action) \
  62      if (btnPaintFunc[style]) { \
  63          HDC hdc = GetDC( (wndPtr)->hwndSelf ); \
  64          (btnPaintFunc[style])(wndPtr,hdc,action); \
  65          ReleaseDC( (wndPtr)->hwndSelf, hdc ); }
  66
  67 #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
  68     SendMessageA( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
  69                     (hdc), (wndPtr)->hwndSelf )
  70
  71 static HBITMAP hbitmapCheckBoxes = 0;
  72 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
  73
  74
  75 /***********************************************************************
  76  *           ButtonWndProc
  77  */
  78 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
  79                               WPARAM wParam, LPARAM lParam )
  80 {
  81     RECT rect;
  82     POINT pt = { LOWORD(lParam), HIWORD(lParam) };
  83     WND *wndPtr = WIN_FindWndPtr(hWnd);
  84     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  85     LONG style = wndPtr->dwStyle & 0x0f;
  86
  87     switch (uMsg)
  88     {
  89     case WM_GETDLGCODE:
  90         switch(style)
  91         {
  92         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
  93         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
  94         case BS_RADIOBUTTON:
  95         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
  96         default:                 return DLGC_BUTTON;
  97         }
  98
  99     case WM_ENABLE:
 100         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 101         break;
 102
 103     case WM_CREATE:
 104         if (!hbitmapCheckBoxes)
 105         {
 106             BITMAP bmp;
 107             hbitmapCheckBoxes = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_CHECKBOXES));
 108             GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 109             checkBoxWidth  = bmp.bmWidth / 4;
 110             checkBoxHeight = bmp.bmHeight / 3;
 111         }
 112         if (style < 0L || style >= MAX_BTN_TYPE) return -1; /* abort */
 113         infoPtr->state = BUTTON_UNCHECKED;
 114         infoPtr->hFont = 0;
 115         return 0;
 116
 117     case WM_ERASEBKGND:
 118         return 1;
 119
 120     case WM_PAINT:
 121         if (btnPaintFunc[style])
 122         {
 123             PAINTSTRUCT ps;
 124             HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
 125             SetBkMode( hdc, OPAQUE );
 126             (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
 127             if( !wParam ) EndPaint( hWnd, &ps );
 128         }
 129         break;
 130
 131     case WM_LBUTTONDOWN:
 132     case WM_LBUTTONDBLCLK:
 133         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 134         SetFocus( hWnd );
 135         SetCapture( hWnd );
 136         break;
 137
 138     case WM_LBUTTONUP:
 139         ReleaseCapture();
 140         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 141         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 142         GetClientRect( hWnd, &rect );
 143         if (PtInRect( &rect, pt ))
 144         {
 145             switch(style)
 146             {
 147             case BS_AUTOCHECKBOX:
 148                 SendMessageA( hWnd, BM_SETCHECK,
 149                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 150                 break;
 151             case BS_AUTORADIOBUTTON:
 152                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 153                 break;
 154             case BS_AUTO3STATE:
 155                 SendMessageA( hWnd, BM_SETCHECK,
 156                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 157                                 ((infoPtr->state & 3) + 1), 0 );
 158                 break;
 159             }
 160             SendMessageA( GetParent(hWnd), WM_COMMAND,
 161                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 162         }
 163         break;
 164
 165     case WM_MOUSEMOVE:
 166         if (GetCapture() == hWnd)
 167         {
 168             GetClientRect( hWnd, &rect );
 169             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 170         }
 171         break;
 172
 173     case WM_NCHITTEST:
 174         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 175         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 176
 177     case WM_SETTEXT:
 178         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 179         if( wndPtr->dwStyle & WS_VISIBLE )
 180             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 181         return 0;
 182
 183     case WM_SETFONT:
 184         infoPtr->hFont = (HFONT16)wParam;
 185         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 186             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 187         break;
 188
 189     case WM_GETFONT:
 190         return infoPtr->hFont;
 191
 192     case WM_SETFOCUS:
 193         infoPtr->state |= BUTTON_HASFOCUS;
 194         if (style == BS_AUTORADIOBUTTON)
 195         {
 196             SendMessageA( hWnd, BM_SETCHECK, 1, 0 );
 197         }
 198         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 199         break;
 200
 201     case WM_KILLFOCUS:
 202         infoPtr->state &= ~BUTTON_HASFOCUS;
 203         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 204         InvalidateRect( hWnd, NULL, TRUE );
 205         break;
 206
 207     case WM_SYSCOLORCHANGE:
 208         InvalidateRect( hWnd, NULL, FALSE );
 209         break;
 210
 211     case BM_SETSTYLE16:
 212     case BM_SETSTYLE:
 213         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 214         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 215                            | (wParam & 0x0000000f);
 216         style = wndPtr->dwStyle & 0x0000000f;
 217         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 218         break;
 219
 220     case BM_GETCHECK16:
 221     case BM_GETCHECK:
 222         return infoPtr->state & 3;
 223
 224     case BM_SETCHECK16:
 225     case BM_SETCHECK:
 226         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 227         if ((infoPtr->state & 3) != wParam)
 228         {
 229             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 230             {
 231                 if (wParam)
 232                     wndPtr->dwStyle |= WS_TABSTOP;
 233                 else
 234                     wndPtr->dwStyle &= ~WS_TABSTOP;
 235             }
 236             infoPtr->state = (infoPtr->state & ~3) | wParam;
 237             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 238         }
 239         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 240             BUTTON_CheckAutoRadioButton( wndPtr );
 241         break;
 242
 243     case BM_GETSTATE16:
 244     case BM_GETSTATE:
 245         return infoPtr->state;
 246
 247     case BM_SETSTATE16:
 248     case BM_SETSTATE:
 249         if (wParam)
 250         {
 251             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 252             infoPtr->state |= BUTTON_HIGHLIGHTED;
 253         }
 254         else
 255         {
 256             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 257             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 258         }
 259         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 260         break;
 261
 262     default:
 263         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 264     }
 265     return 0;
 266 }
 267
 268
 269 /**********************************************************************
 270  *       Push Button Functions
 271  */
 272
 273 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 274 {
 275     RECT rc;
 276     HPEN hOldPen;
 277     HBRUSH hOldBrush;
 278     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 279
 280     GetClientRect( wndPtr->hwndSelf, &rc );
 281
 282       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 283     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 284     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 285     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 286     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 287     SetBkMode(hDC, TRANSPARENT);
 288     Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 289     if (action == ODA_DRAWENTIRE)
 290     {
 291         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 292         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 293         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 294         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 295     }
 296     InflateRect( &rc, -1, -1 );
 297
 298     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 299     {
 300         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 301         InflateRect( &rc, -1, -1 );
 302     }
 303
 304     if (infoPtr->state & BUTTON_HIGHLIGHTED)
 305     {
 306         /* draw button shadow: */
 307         SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 308         PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 309         PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 310         rc.left += 2;  /* To position the text down and right */
 311         rc.top  += 2;
 312     } else {
 313         rc.right++, rc.bottom++;
 314         DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 315         rc.right--, rc.bottom--;
 316     }
 317
 318     /* draw button label, if any: */
 319     if (wndPtr->text && wndPtr->text[0])
 320     {
 321         LOGBRUSH lb;
 322         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 323         if (wndPtr->dwStyle & WS_DISABLED &&
 324             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 325             /* don't write gray text on gray background */
 326             PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
 327                                DT_CENTER | DT_VCENTER );
 328         else
 329         {
 330             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 331                                  GetSysColor(COLOR_GRAYTEXT) :
 332                                  GetSysColor(COLOR_BTNTEXT) );
 333             DrawTextA( hDC, wndPtr->text, -1, &rc,
 334                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 335             /* do we have the focus? */
 336             if (infoPtr->state & BUTTON_HASFOCUS)
 337             {
 338                 RECT r = { 0, 0, 0, 0 };
 339                 INT xdelta, ydelta;
 340
 341                 DrawTextA( hDC, wndPtr->text, -1, &r,
 342                              DT_SINGLELINE | DT_CALCRECT );
 343                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 344                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 345                 if (xdelta < 0) xdelta = 0;
 346                 if (ydelta < 0) ydelta = 0;
 347                 InflateRect( &rc, -xdelta, -ydelta );
 348                 DrawFocusRect( hDC, &rc );
 349             }
 350         }
 351     }
 352
 353     SelectObject( hDC, hOldPen );
 354     SelectObject( hDC, hOldBrush );
 355 }
 356
 357
 358 /**********************************************************************
 359  *   PB_Paint & CB_Paint sub function                        [internal]
 360  *   Paint text using a raster brush to avoid gray text on gray
 361  *   background. 'format' can be a combination of DT_CENTER and
 362  *   DT_VCENTER to use this function in both PB_PAINT and
 363  *   CB_PAINT.   - Dirk Thierbach
 364  *
 365  *   FIXME: This and TEXT_GrayString should be eventually combined,
 366  *   so calling one common function from PB_Paint, CB_Paint and
 367  *   TEXT_GrayString will be enough. Also note that this
 368  *   function ignores the CACHE_GetPattern funcs.
 369  */
 370
 371 void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
 372                         UINT format)
 373 {
 374 /*  This is the standard gray on gray pattern:
 375     static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 376 */
 377 /*  This pattern gives better readability with X Fonts.
 378     FIXME: Maybe the user should be allowed to decide which he wants. */
 379     static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
 380
 381     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 382     HDC hdcMem = CreateCompatibleDC(hDC);
 383     HBITMAP hbmMem;
 384     HBRUSH hBr;
 385     RECT rect,rc2;
 386
 387     rect=*rc;
 388     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 389     /* now text width and height are in rect.right and rect.bottom */
 390     rc2=rect;
 391     rect.left = rect.top = 0; /* drawing pos in hdcMem */
 392     if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
 393     if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
 394     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 395     SelectObject( hdcMem, hbmMem);
 396     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 397       /* will be overwritten by DrawText, but just in case */
 398     if (hFont) SelectObject( hdcMem, hFont);
 399     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 400       /* After draw: foreground = 0 bits, background = 1 bits */
 401     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 402     DeleteObject( hbm );
 403     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
 404       /* only keep the foreground bits where pattern is 1 */
 405     DeleteObject( SelectObject( hdcMem,hBr) );
 406     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
 407       /* keep the background of the dest */
 408     DeleteDC( hdcMem);
 409     DeleteObject( hbmMem );
 410 }
 411
 412
 413 /**********************************************************************
 414  *       Check Box & Radio Button Functions
 415  */
 416
 417 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 418 {
 419     RECT rbox, rtext, client;
 420     HBRUSH hBrush;
 421     int textlen, delta;
 422     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 423
 424     textlen = 0;
 425     GetClientRect(wndPtr->hwndSelf, &client);
 426     rbox = rtext = client;
 427
 428     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 429
 430     /* Something is still not right, checkboxes (and edit controls)
 431      * in wsping32 have white backgrounds instead of dark grey.
 432      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 433      * particular case and the background is not painted at all.
 434      */
 435
 436     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 437
 438     if (wndPtr->dwStyle & BS_LEFTTEXT)
 439     {
 440         /* magic +4 is what CTL3D expects */
 441
 442         rtext.right -= checkBoxWidth + 4;
 443         rbox.left = rbox.right - checkBoxWidth;
 444     }
 445     else
 446     {
 447         rtext.left += checkBoxWidth + 4;
 448         rbox.right = checkBoxWidth;
 449     }
 450
 451       /* Draw the check-box bitmap */
 452
 453     if (wndPtr->text) textlen = strlen( wndPtr->text );
 454     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 455     {
 456         HDC hMemDC = CreateCompatibleDC( hDC );
 457         int x = 0, y = 0;
 458         delta = (rbox.bottom - rbox.top - checkBoxHeight) >> 1;
 459
 460         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 461         else FillRect( hDC, &client, hBrush );
 462
 463         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 464         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 465         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 466             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 467         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 468
 469         SelectObject( hMemDC, hbitmapCheckBoxes );
 470         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 471                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 472         DeleteDC( hMemDC );
 473
 474         if( textlen && action != ODA_SELECT )
 475         {
 476           if (wndPtr->dwStyle & WS_DISABLED &&
 477               GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
 478             /* don't write gray text on gray background */
 479             PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
 480                              DT_VCENTER);
 481           } else {
 482             if (wndPtr->dwStyle & WS_DISABLED)
 483                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 484             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 485                          DT_SINGLELINE | DT_VCENTER );
 486             textlen = 0; /* skip DrawText() below */
 487           }
 488         }
 489     }
 490
 491     if ((action == ODA_FOCUS) ||
 492         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 493     {
 494         /* again, this is what CTL3D expects */
 495
 496         SetRectEmpty(&rbox);
 497         if( textlen )
 498             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 499                          DT_SINGLELINE | DT_CALCRECT );
 500         textlen = rbox.bottom - rbox.top;
 501         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 502         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 503         textlen = rbox.right - rbox.left;
 504         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 505         IntersectRect(&rbox, &rbox, &rtext);
 506         DrawFocusRect( hDC, &rbox );
 507     }
 508 }
 509
 510
 511 /**********************************************************************
 512  *       BUTTON_CheckAutoRadioButton
 513  *
 514  * wndPtr is checked, uncheck every other auto radio button in group
 515  */
 516 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 517 {
 518     HWND parent, sibling, start;
 519     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 520     parent = wndPtr->parent->hwndSelf;
 521     /* assure that starting control is not disabled or invisible */
 522     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 523     do
 524     {
 525         if (!sibling) break;
 526         if ((wndPtr->hwndSelf != sibling) &&
 527             ((WIN_FindWndPtr(sibling)->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 528             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 529         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 530     } while (sibling != start);
 531 }
 532
 533
 534 /**********************************************************************
 535  *       Group Box Functions
 536  */
 537
 538 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 539 {
 540     RECT rc, rcFrame;
 541     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 542
 543     if (action != ODA_DRAWENTIRE) return;
 544
 545     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 546
 547     GetClientRect( wndPtr->hwndSelf, &rc);
 548     if (TWEAK_WineLook == WIN31_LOOK) {
 549         HPEN hPrevPen = SelectObject( hDC,
 550                                           GetSysColorPen(COLOR_WINDOWFRAME));
 551         HBRUSH hPrevBrush = SelectObject( hDC,
 552                                               GetStockObject(NULL_BRUSH) );
 553
 554         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 555         SelectObject( hDC, hPrevBrush );
 556         SelectObject( hDC, hPrevPen );
 557     } else {
 558         TEXTMETRICA tm;
 559         rcFrame = rc;
 560
 561         if (infoPtr->hFont)
 562             SelectObject (hDC, infoPtr->hFont);
 563         GetTextMetricsA (hDC, &tm);
 564         rcFrame.top += (tm.tmHeight / 2) - 1;
 565         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 566     }
 567
 568     if (wndPtr->text)
 569     {
 570         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 571         if (wndPtr->dwStyle & WS_DISABLED)
 572             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 573         rc.left += 10;
 574         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 575     }
 576 }
 577
 578
 579 /**********************************************************************
 580  *       User Button Functions
 581  */
 582
 583 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 584 {
 585     RECT rc;
 586     HBRUSH hBrush;
 587     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 588
 589     if (action == ODA_SELECT) return;
 590
 591     GetClientRect( wndPtr->hwndSelf, &rc);
 592
 593     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 594     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 595
 596     FillRect( hDC, &rc, hBrush );
 597     if ((action == ODA_FOCUS) ||
 598         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 599         DrawFocusRect( hDC, &rc );
 600 }
 601
 602
 603 /**********************************************************************
 604  *       Ownerdrawn Button Functions
 605  */
 606
 607 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 608 {
 609     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 610     DRAWITEMSTRUCT dis;
 611
 612     dis.CtlType    = ODT_BUTTON;
 613     dis.CtlID      = wndPtr->wIDmenu;
 614     dis.itemID     = 0;
 615     dis.itemAction = action;
 616     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 617                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 618                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 619     dis.hwndItem   = wndPtr->hwndSelf;
 620     dis.hDC        = hDC;
 621     dis.itemData   = 0;
 622     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 623     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 624                     wndPtr->wIDmenu, (LPARAM)&dis );
 625 }