controls/static.c

   1 /*
   2  * Static control
   3  *
   4  * Copyright  David W. Metcalfe, 1993
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "windef.h"
  22 #include "wingdi.h"
  23 #include "wine/winuser16.h"
  24 #include "cursoricon.h"
  25 #include "controls.h"
  26 #include "user.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(static);
  30
  31 static void STATIC_PaintOwnerDrawfn( HWND hwnd, HDC hdc, DWORD style );
  32 static void STATIC_PaintTextfn( HWND hwnd, HDC hdc, DWORD style );
  33 static void STATIC_PaintRectfn( HWND hwnd, HDC hdc, DWORD style );
  34 static void STATIC_PaintIconfn( HWND hwnd, HDC hdc, DWORD style );
  35 static void STATIC_PaintBitmapfn( HWND hwnd, HDC hdc, DWORD style );
  36 static void STATIC_PaintEtchedfn( HWND hwnd, HDC hdc, DWORD style );
  37 static LRESULT WINAPI StaticWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
  38 static LRESULT WINAPI StaticWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
  39
  40 static COLORREF color_windowframe, color_background, color_window;
  41
  42 /* offsets for GetWindowLong for static private information */
  43 #define HFONT_GWL_OFFSET    0
  44 #define HICON_GWL_OFFSET    (sizeof(HFONT))
  45 #define STATIC_EXTRA_BYTES  (HICON_GWL_OFFSET + sizeof(HICON))
  46
  47 typedef void (*pfPaint)( HWND hwnd, HDC hdc, DWORD style );
  48
  49 static pfPaint staticPaintFunc[SS_TYPEMASK+1] =
  50 {
  51     STATIC_PaintTextfn,      /* SS_LEFT */
  52     STATIC_PaintTextfn,      /* SS_CENTER */
  53     STATIC_PaintTextfn,      /* SS_RIGHT */
  54     STATIC_PaintIconfn,      /* SS_ICON */
  55     STATIC_PaintRectfn,      /* SS_BLACKRECT */
  56     STATIC_PaintRectfn,      /* SS_GRAYRECT */
  57     STATIC_PaintRectfn,      /* SS_WHITERECT */
  58     STATIC_PaintRectfn,      /* SS_BLACKFRAME */
  59     STATIC_PaintRectfn,      /* SS_GRAYFRAME */
  60     STATIC_PaintRectfn,      /* SS_WHITEFRAME */
  61     NULL,                    /* Not defined */
  62     STATIC_PaintTextfn,      /* SS_SIMPLE */
  63     STATIC_PaintTextfn,      /* SS_LEFTNOWORDWRAP */
  64     STATIC_PaintOwnerDrawfn, /* SS_OWNERDRAW */
  65     STATIC_PaintBitmapfn,    /* SS_BITMAP */
  66     NULL,                    /* SS_ENHMETAFILE */
  67     STATIC_PaintEtchedfn,    /* SS_ETCHEDHORIZ */
  68     STATIC_PaintEtchedfn,    /* SS_ETCHEDVERT */
  69     STATIC_PaintEtchedfn,    /* SS_ETCHEDFRAME */
  70 };
  71
  72
  73 /*********************************************************************
  74  * static class descriptor
  75  */
  76 const struct builtin_class_descr STATIC_builtin_class =
  77 {
  78     "Static",            /* name */
  79     CS_GLOBALCLASS | CS_DBLCLKS | CS_PARENTDC, /* style  */
  80     StaticWndProcA,      /* procA */
  81     StaticWndProcW,      /* procW */
  82     STATIC_EXTRA_BYTES,  /* extra */
  83     IDC_ARROWA,          /* cursor */
  84     0                    /* brush */
  85 };
  86
  87
  88 /***********************************************************************
  89  *           STATIC_SetIcon
  90  *
  91  * Set the icon for an SS_ICON control.
  92  */
  93 static HICON STATIC_SetIcon( HWND hwnd, HICON hicon, DWORD style )
  94 {
  95     HICON prevIcon;
  96     CURSORICONINFO *info = hicon?(CURSORICONINFO *) GlobalLock16( hicon ):NULL;
  97
  98     if ((style & SS_TYPEMASK) != SS_ICON) return 0;
  99     if (hicon && !info) {
 100         ERR("huh? hicon!=0, but info=0???\n");
 101         return 0;
 102     }
 103     prevIcon = SetWindowLongA( hwnd, HICON_GWL_OFFSET, hicon );
 104     if (hicon)
 105     {
 106         SetWindowPos( hwnd, 0, 0, 0, info->nWidth, info->nHeight,
 107                         SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
 108         GlobalUnlock16( hicon );
 109     }
 110     return prevIcon;
 111 }
 112
 113 /***********************************************************************
 114  *           STATIC_SetBitmap
 115  *
 116  * Set the bitmap for an SS_BITMAP control.
 117  */
 118 static HBITMAP STATIC_SetBitmap( HWND hwnd, HBITMAP hBitmap, DWORD style )
 119 {
 120     HBITMAP hOldBitmap;
 121
 122     if ((style & SS_TYPEMASK) != SS_BITMAP) return 0;
 123     if (hBitmap && GetObjectType(hBitmap) != OBJ_BITMAP) {
 124         ERR("huh? hBitmap!=0, but not bitmap\n");
 125         return 0;
 126     }
 127     hOldBitmap = SetWindowLongA( hwnd, HICON_GWL_OFFSET, hBitmap );
 128     if (hBitmap)
 129     {
 130         BITMAP bm;
 131         GetObjectW(hBitmap, sizeof(bm), &bm);
 132         SetWindowPos( hwnd, 0, 0, 0, bm.bmWidth, bm.bmHeight,
 133                       SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER );
 134     }
 135     return hOldBitmap;
 136 }
 137
 138 /***********************************************************************
 139  *           STATIC_LoadIconA
 140  *
 141  * Load the icon for an SS_ICON control.
 142  */
 143 static HICON STATIC_LoadIconA( HWND hwnd, LPCSTR name )
 144 {
 145     HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
 146     HICON hicon = LoadIconA( hInstance, name );
 147     if (!hicon) hicon = LoadIconA( 0, name );
 148     return hicon;
 149 }
 150
 151 /***********************************************************************
 152  *           STATIC_LoadIconW
 153  *
 154  * Load the icon for an SS_ICON control.
 155  */
 156 static HICON STATIC_LoadIconW( HWND hwnd, LPCWSTR name )
 157 {
 158     HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
 159     HICON hicon = LoadIconW( hInstance, name );
 160     if (!hicon) hicon = LoadIconW( 0, name );
 161     return hicon;
 162 }
 163
 164 /***********************************************************************
 165  *           STATIC_LoadBitmapA
 166  *
 167  * Load the bitmap for an SS_BITMAP control.
 168  */
 169 static HBITMAP STATIC_LoadBitmapA( HWND hwnd, LPCSTR name )
 170 {
 171     HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
 172     HBITMAP hbitmap = LoadBitmapA( hInstance, name );
 173     if (!hbitmap)  /* Try OEM icon (FIXME: is this right?) */
 174         hbitmap = LoadBitmapA( 0, name );
 175     return hbitmap;
 176 }
 177
 178 /***********************************************************************
 179  *           STATIC_LoadBitmapW
 180  *
 181  * Load the bitmap for an SS_BITMAP control.
 182  */
 183 static HBITMAP STATIC_LoadBitmapW( HWND hwnd, LPCWSTR name )
 184 {
 185     HINSTANCE hInstance = GetWindowLongA( hwnd, GWL_HINSTANCE );
 186     HBITMAP hbitmap = LoadBitmapW( hInstance, name );
 187     if (!hbitmap)  /* Try OEM icon (FIXME: is this right?) */
 188         hbitmap = LoadBitmapW( 0, name );
 189     return hbitmap;
 190 }
 191
 192 /***********************************************************************
 193  *           STATIC_TryPaintFcn
 194  *
 195  * Try to immediately paint the control.
 196  */
 197 static VOID STATIC_TryPaintFcn(HWND hwnd, LONG full_style)
 198 {
 199     LONG style = full_style & SS_TYPEMASK;
 200     RECT rc;
 201
 202     GetClientRect( hwnd, &rc );
 203     if (!IsRectEmpty(&rc) && IsWindowVisible(hwnd) && staticPaintFunc[style])
 204     {
 205         HDC hdc;
 206         hdc = GetDC( hwnd );
 207         (staticPaintFunc[style])( hwnd, hdc, full_style );
 208         ReleaseDC( hwnd, hdc );
 209     }
 210 }
 211
 212 /***********************************************************************
 213  *           StaticWndProc_common
 214  */
 215 static LRESULT StaticWndProc_common( HWND hwnd, UINT uMsg, WPARAM wParam,
 216                                      LPARAM lParam, BOOL unicode )
 217 {
 218     LRESULT lResult = 0;
 219     LONG full_style = GetWindowLongA( hwnd, GWL_STYLE );
 220     LONG style = full_style & SS_TYPEMASK;
 221
 222     switch (uMsg)
 223     {
 224     case WM_CREATE:
 225         if (style < 0L || style > SS_TYPEMASK)
 226         {
 227             ERR("Unknown style 0x%02lx\n", style );
 228             return -1;
 229         }
 230         /* initialise colours */
 231         color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 232         color_background   = GetSysColor(COLOR_BACKGROUND);
 233         color_window       = GetSysColor(COLOR_WINDOW);
 234         break;
 235
 236     case WM_NCDESTROY:
 237         if (style == SS_ICON) {
 238 /*
 239  * FIXME
 240  *           DestroyIcon32( STATIC_SetIcon( wndPtr, 0 ) );
 241  *
 242  * We don't want to do this yet because DestroyIcon32 is broken. If the icon
 243  * had already been loaded by the application the last thing we want to do is
 244  * GlobalFree16 the handle.
 245  */
 246             break;
 247         }
 248         else return unicode ? DefWindowProcW(hwnd, uMsg, wParam, lParam) :
 249                               DefWindowProcA(hwnd, uMsg, wParam, lParam);
 250
 251     case WM_PAINT:
 252         {
 253             PAINTSTRUCT ps;
 254             BeginPaint(hwnd, &ps);
 255             if (staticPaintFunc[style])
 256                 (staticPaintFunc[style])( hwnd, ps.hdc, full_style );
 257             EndPaint(hwnd, &ps);
 258         }
 259         break;
 260
 261     case WM_ENABLE:
 262         InvalidateRect(hwnd, NULL, TRUE);
 263         break;
 264
 265     case WM_SYSCOLORCHANGE:
 266         color_windowframe  = GetSysColor(COLOR_WINDOWFRAME);
 267         color_background   = GetSysColor(COLOR_BACKGROUND);
 268         color_window       = GetSysColor(COLOR_WINDOW);
 269         InvalidateRect(hwnd, NULL, TRUE);
 270         break;
 271
 272     case WM_NCCREATE:
 273         if ((TWEAK_WineLook > WIN31_LOOK) && (full_style & SS_SUNKEN))
 274             SetWindowLongA( hwnd, GWL_EXSTYLE,
 275                             GetWindowLongA( hwnd, GWL_EXSTYLE ) | WS_EX_STATICEDGE );
 276
 277         if(unicode)
 278             lParam = (LPARAM)(((LPCREATESTRUCTW)lParam)->lpszName);
 279         else
 280             lParam = (LPARAM)(((LPCREATESTRUCTA)lParam)->lpszName);
 281         /* fall through */
 282     case WM_SETTEXT:
 283         switch (style) {
 284         case SS_ICON:
 285         {
 286             HICON hIcon;
 287             if(unicode)
 288                 hIcon = STATIC_LoadIconW(hwnd, (LPCWSTR)lParam);
 289             else
 290                 hIcon = STATIC_LoadIconA(hwnd, (LPCSTR)lParam);
 291             /* FIXME : should we also return the previous hIcon here ??? */
 292             STATIC_SetIcon(hwnd, hIcon, style);
 293             break;
 294         }
 295         case SS_BITMAP:
 296         {
 297             HBITMAP hBitmap;
 298             if(unicode)
 299                 hBitmap = STATIC_LoadBitmapW(hwnd, (LPCWSTR)lParam);
 300             else
 301                 hBitmap = STATIC_LoadBitmapA(hwnd, (LPCSTR)lParam);
 302             STATIC_SetBitmap(hwnd, hBitmap, style);
 303             break;
 304         }
 305         case SS_LEFT:
 306         case SS_CENTER:
 307         case SS_RIGHT:
 308         case SS_SIMPLE:
 309         case SS_LEFTNOWORDWRAP:
 310         {
 311             if (HIWORD(lParam))
 312             {
 313                 if(unicode)
 314                     lResult = DefWindowProcW( hwnd, WM_SETTEXT, wParam, lParam );
 315                 else
 316                     lResult = DefWindowProcA( hwnd, WM_SETTEXT, wParam, lParam );
 317             }
 318             if (uMsg == WM_SETTEXT)
 319                 STATIC_TryPaintFcn( hwnd, full_style );
 320             break;
 321         }
 322         default:
 323             if (HIWORD(lParam))
 324             {
 325                 if(unicode)
 326                     lResult = DefWindowProcW( hwnd, WM_SETTEXT, wParam, lParam );
 327                 else
 328                     lResult = DefWindowProcA( hwnd, WM_SETTEXT, wParam, lParam );
 329             }
 330             if(uMsg == WM_SETTEXT)
 331                 InvalidateRect(hwnd, NULL, TRUE);
 332         }
 333         return 1; /* success. FIXME: check text length */
 334
 335     case WM_SETFONT:
 336         if ((style == SS_ICON) || (style == SS_BITMAP)) return 0;
 337         SetWindowLongA( hwnd, HFONT_GWL_OFFSET, wParam );
 338         if (LOWORD(lParam))
 339             InvalidateRect( hwnd, NULL, TRUE );
 340         break;
 341
 342     case WM_GETFONT:
 343         return GetWindowLongA( hwnd, HFONT_GWL_OFFSET );
 344
 345     case WM_NCHITTEST:
 346         if (full_style & SS_NOTIFY)
 347            return HTCLIENT;
 348         else
 349            return HTTRANSPARENT;
 350
 351     case WM_GETDLGCODE:
 352         return DLGC_STATIC;
 353
 354     case STM_GETIMAGE:
 355     case STM_GETICON16:
 356     case STM_GETICON:
 357         return GetWindowLongA( hwnd, HICON_GWL_OFFSET );
 358
 359     case STM_SETIMAGE:
 360         switch(wParam) {
 361         case IMAGE_BITMAP:
 362             lResult = STATIC_SetBitmap( hwnd, (HBITMAP)lParam, style );
 363             break;
 364         case IMAGE_ICON:
 365             lResult = STATIC_SetIcon( hwnd, (HICON)lParam, style );
 366             break;
 367         default:
 368             FIXME("STM_SETIMAGE: Unhandled type %x\n", wParam);
 369             break;
 370         }
 371         InvalidateRect( hwnd, NULL, TRUE );
 372         break;
 373
 374     case STM_SETICON16:
 375     case STM_SETICON:
 376         lResult = STATIC_SetIcon( hwnd, (HICON)wParam, style );
 377         InvalidateRect( hwnd, NULL, TRUE );
 378         break;
 379
 380     default:
 381         return unicode ? DefWindowProcW(hwnd, uMsg, wParam, lParam) :
 382                          DefWindowProcA(hwnd, uMsg, wParam, lParam);
 383     }
 384     return lResult;
 385 }
 386
 387 /***********************************************************************
 388  *           StaticWndProcA
 389  */
 390 static LRESULT WINAPI StaticWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
 391 {
 392     if (!IsWindow( hWnd )) return 0;
 393     return StaticWndProc_common(hWnd, uMsg, wParam, lParam, FALSE);
 394 }
 395
 396 /***********************************************************************
 397  *           StaticWndProcW
 398  */
 399 static LRESULT WINAPI StaticWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
 400 {
 401     if (!IsWindow( hWnd )) return 0;
 402     return StaticWndProc_common(hWnd, uMsg, wParam, lParam, TRUE);
 403 }
 404
 405 static void STATIC_PaintOwnerDrawfn( HWND hwnd, HDC hdc, DWORD style )
 406 {
 407   DRAWITEMSTRUCT dis;
 408   LONG id = GetWindowLongA( hwnd, GWL_ID );
 409
 410   dis.CtlType    = ODT_STATIC;
 411   dis.CtlID      = id;
 412   dis.itemID     = 0;
 413   dis.itemAction = ODA_DRAWENTIRE;
 414   dis.itemState  = 0;
 415   dis.hwndItem   = hwnd;
 416   dis.hDC        = hdc;
 417   dis.itemData   = 0;
 418   GetClientRect( hwnd, &dis.rcItem );
 419
 420   SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC, hdc, hwnd );
 421   SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis );
 422 }
 423
 424 static void STATIC_PaintTextfn( HWND hwnd, HDC hdc, DWORD style )
 425 {
 426     RECT rc;
 427     HBRUSH hBrush;
 428     HFONT hFont;
 429     WORD wFormat;
 430     INT len;
 431     WCHAR *text;
 432
 433     GetClientRect( hwnd, &rc);
 434
 435     switch (style & SS_TYPEMASK)
 436     {
 437     case SS_LEFT:
 438         wFormat = DT_LEFT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 439         break;
 440
 441     case SS_CENTER:
 442         wFormat = DT_CENTER | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 443         break;
 444
 445     case SS_RIGHT:
 446         wFormat = DT_RIGHT | DT_EXPANDTABS | DT_WORDBREAK | DT_NOCLIP;
 447         break;
 448
 449     case SS_SIMPLE:
 450         wFormat = DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_NOCLIP;
 451         break;
 452
 453     case SS_LEFTNOWORDWRAP:
 454         wFormat = DT_LEFT | DT_EXPANDTABS | DT_VCENTER;
 455         break;
 456
 457     default:
 458         return;
 459     }
 460
 461     if (style & SS_NOPREFIX)
 462         wFormat |= DT_NOPREFIX;
 463
 464     if ((hFont = GetWindowLongA( hwnd, HFONT_GWL_OFFSET ))) SelectObject( hdc, hFont );
 465
 466     if ((style & SS_NOPREFIX) || ((style & SS_TYPEMASK) != SS_SIMPLE))
 467     {
 468         hBrush = SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC, hdc, hwnd );
 469         if (!hBrush) /* did the app forget to call defwindowproc ? */
 470             hBrush = DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC, hdc, hwnd);
 471         FillRect( hdc, &rc, hBrush );
 472     }
 473     if (!IsWindowEnabled(hwnd)) SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT));
 474
 475     if (!(len = SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 ))) return;
 476     if (!(text = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return;
 477     SendMessageW( hwnd, WM_GETTEXT, len + 1, (LPARAM)text );
 478     DrawTextW( hdc, text, -1, &rc, wFormat );
 479     HeapFree( GetProcessHeap(), 0, text );
 480 }
 481
 482 static void STATIC_PaintRectfn( HWND hwnd, HDC hdc, DWORD style )
 483 {
 484     RECT rc;
 485     HBRUSH hBrush;
 486
 487     GetClientRect( hwnd, &rc);
 488
 489     switch (style & SS_TYPEMASK)
 490     {
 491     case SS_BLACKRECT:
 492         hBrush = CreateSolidBrush(color_windowframe);
 493         FillRect( hdc, &rc, hBrush );
 494         break;
 495     case SS_GRAYRECT:
 496         hBrush = CreateSolidBrush(color_background);
 497         FillRect( hdc, &rc, hBrush );
 498         break;
 499     case SS_WHITERECT:
 500         hBrush = CreateSolidBrush(color_window);
 501         FillRect( hdc, &rc, hBrush );
 502         break;
 503     case SS_BLACKFRAME:
 504         hBrush = CreateSolidBrush(color_windowframe);
 505         FrameRect( hdc, &rc, hBrush );
 506         break;
 507     case SS_GRAYFRAME:
 508         hBrush = CreateSolidBrush(color_background);
 509         FrameRect( hdc, &rc, hBrush );
 510         break;
 511     case SS_WHITEFRAME:
 512         hBrush = CreateSolidBrush(color_window);
 513         FrameRect( hdc, &rc, hBrush );
 514         break;
 515     default:
 516         return;
 517     }
 518     DeleteObject( hBrush );
 519 }
 520
 521
 522 static void STATIC_PaintIconfn( HWND hwnd, HDC hdc, DWORD style )
 523 {
 524     RECT rc;
 525     HBRUSH hbrush;
 526     HICON hIcon;
 527
 528     GetClientRect( hwnd, &rc );
 529     hbrush = SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC, hdc, hwnd );
 530     FillRect( hdc, &rc, hbrush );
 531     if ((hIcon = GetWindowLongA( hwnd, HICON_GWL_OFFSET )))
 532         DrawIcon( hdc, rc.left, rc.top, hIcon );
 533 }
 534
 535 static void STATIC_PaintBitmapfn(HWND hwnd, HDC hdc, DWORD style )
 536 {
 537     RECT rc;
 538     HBRUSH hbrush;
 539     HICON hIcon;
 540     HDC hMemDC;
 541     HBITMAP oldbitmap;
 542
 543     GetClientRect( hwnd, &rc );
 544     hbrush = SendMessageW( GetParent(hwnd), WM_CTLCOLORSTATIC, hdc, hwnd );
 545     FillRect( hdc, &rc, hbrush );
 546
 547     if ((hIcon = GetWindowLongA( hwnd, HICON_GWL_OFFSET )))
 548     {
 549         BITMAP bm;
 550         SIZE sz;
 551
 552         if(GetObjectType(hIcon) != OBJ_BITMAP) return;
 553         if (!(hMemDC = CreateCompatibleDC( hdc ))) return;
 554         GetObjectW(hIcon, sizeof(bm), &bm);
 555         GetBitmapDimensionEx(hIcon, &sz);
 556         oldbitmap = SelectObject(hMemDC, hIcon);
 557         BitBlt(hdc, sz.cx, sz.cy, bm.bmWidth, bm.bmHeight, hMemDC, 0, 0,
 558                SRCCOPY);
 559         SelectObject(hMemDC, oldbitmap);
 560         DeleteDC(hMemDC);
 561     }
 562 }
 563
 564
 565 static void STATIC_PaintEtchedfn( HWND hwnd, HDC hdc, DWORD style )
 566 {
 567     RECT rc;
 568
 569     if (TWEAK_WineLook == WIN31_LOOK)
 570         return;
 571
 572     GetClientRect( hwnd, &rc );
 573     switch (style & SS_TYPEMASK)
 574     {
 575         case SS_ETCHEDHORZ:
 576             DrawEdge(hdc,&rc,EDGE_ETCHED,BF_TOP|BF_BOTTOM);
 577             break;
 578         case SS_ETCHEDVERT:
 579             DrawEdge(hdc,&rc,EDGE_ETCHED,BF_LEFT|BF_RIGHT);
 580             break;
 581         case SS_ETCHEDFRAME:
 582             DrawEdge (hdc, &rc, EDGE_ETCHED, BF_RECT);
 583             break;
 584     }
 585 }