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 PB_Paint( WND *wndPtr, HDC hDC, WORD action );
  16 static void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text);
  17 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
  18 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
  19 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
  20 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action );
  21 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
  22
  23 #define MAX_BTN_TYPE  12
  24
  25 static const WORD maxCheckState[MAX_BTN_TYPE] =
  26 {
  27     BUTTON_UNCHECKED,   /* BS_PUSHBUTTON */
  28     BUTTON_UNCHECKED,   /* BS_DEFPUSHBUTTON */
  29     BUTTON_CHECKED,     /* BS_CHECKBOX */
  30     BUTTON_CHECKED,     /* BS_AUTOCHECKBOX */
  31     BUTTON_CHECKED,     /* BS_RADIOBUTTON */
  32     BUTTON_3STATE,      /* BS_3STATE */
  33     BUTTON_3STATE,      /* BS_AUTO3STATE */
  34     BUTTON_UNCHECKED,   /* BS_GROUPBOX */
  35     BUTTON_UNCHECKED,   /* BS_USERBUTTON */
  36     BUTTON_CHECKED,     /* BS_AUTORADIOBUTTON */
  37     BUTTON_UNCHECKED,   /* Not defined */
  38     BUTTON_UNCHECKED    /* BS_OWNERDRAW */
  39 };
  40
  41 typedef void (*pfPaint)( WND *wndPtr, HDC hdc, WORD action );
  42
  43 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
  44 {
  45     PB_Paint,    /* BS_PUSHBUTTON */
  46     PB_Paint,    /* BS_DEFPUSHBUTTON */
  47     CB_Paint,    /* BS_CHECKBOX */
  48     CB_Paint,    /* BS_AUTOCHECKBOX */
  49     CB_Paint,    /* BS_RADIOBUTTON */
  50     CB_Paint,    /* BS_3STATE */
  51     CB_Paint,    /* BS_AUTO3STATE */
  52     GB_Paint,    /* BS_GROUPBOX */
  53     UB_Paint,    /* BS_USERBUTTON */
  54     CB_Paint,    /* BS_AUTORADIOBUTTON */
  55     NULL,        /* Not defined */
  56     OB_Paint     /* BS_OWNERDRAW */
  57 };
  58
  59 #define PAINT_BUTTON(wndPtr,style,action) \
  60      if (btnPaintFunc[style]) { \
  61          HDC hdc = GetDC( (wndPtr)->hwndSelf ); \
  62          (btnPaintFunc[style])(wndPtr,hdc,action); \
  63          ReleaseDC( (wndPtr)->hwndSelf, hdc ); }
  64
  65 #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
  66     SendMessageA( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
  67                     (hdc), (wndPtr)->hwndSelf )
  68
  69 static HBITMAP hbitmapCheckBoxes = 0;
  70 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
  71
  72
  73 /***********************************************************************
  74  *           ButtonWndProc
  75  */
  76 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
  77                               WPARAM wParam, LPARAM lParam )
  78 {
  79     RECT rect;
  80     POINT pt = { LOWORD(lParam), HIWORD(lParam) };
  81     WND *wndPtr = WIN_FindWndPtr(hWnd);
  82     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  83     LONG style = wndPtr->dwStyle & 0x0f;
  84
  85     switch (uMsg)
  86     {
  87     case WM_GETDLGCODE:
  88         switch(style)
  89         {
  90         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
  91         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
  92         case BS_RADIOBUTTON:
  93         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
  94         default:                 return DLGC_BUTTON;
  95         }
  96
  97     case WM_ENABLE:
  98         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
  99         break;
 100
 101     case WM_CREATE:
 102         if (!hbitmapCheckBoxes)
 103         {
 104             BITMAP bmp;
 105             hbitmapCheckBoxes = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_CHECKBOXES));
 106             GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 107             checkBoxWidth  = bmp.bmWidth / 4;
 108             checkBoxHeight = bmp.bmHeight / 3;
 109         }
 110         if (style < 0L || style >= MAX_BTN_TYPE) return -1; /* abort */
 111         infoPtr->state = BUTTON_UNCHECKED;
 112         infoPtr->hFont = 0;
 113         return 0;
 114
 115     case WM_ERASEBKGND:
 116         return 1;
 117
 118     case WM_PAINT:
 119         if (btnPaintFunc[style])
 120         {
 121             PAINTSTRUCT ps;
 122             HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
 123             SetBkMode( hdc, OPAQUE );
 124             (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
 125             if( !wParam ) EndPaint( hWnd, &ps );
 126         }
 127         break;
 128
 129     case WM_LBUTTONDOWN:
 130     case WM_LBUTTONDBLCLK:
 131         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 132         SetFocus( hWnd );
 133         SetCapture( hWnd );
 134         break;
 135
 136     case WM_LBUTTONUP:
 137         ReleaseCapture();
 138         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 139         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 140         GetClientRect( hWnd, &rect );
 141         if (PtInRect( &rect, pt ))
 142         {
 143             switch(style)
 144             {
 145             case BS_AUTOCHECKBOX:
 146                 SendMessageA( hWnd, BM_SETCHECK,
 147                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 148                 break;
 149             case BS_AUTORADIOBUTTON:
 150                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 151                 break;
 152             case BS_AUTO3STATE:
 153                 SendMessageA( hWnd, BM_SETCHECK,
 154                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 155                                 ((infoPtr->state & 3) + 1), 0 );
 156                 break;
 157             }
 158             SendMessageA( GetParent(hWnd), WM_COMMAND,
 159                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 160         }
 161         break;
 162
 163     case WM_MOUSEMOVE:
 164         if (GetCapture() == hWnd)
 165         {
 166             GetClientRect( hWnd, &rect );
 167             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 168         }
 169         break;
 170
 171     case WM_NCHITTEST:
 172         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 173         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 174
 175     case WM_SETTEXT:
 176         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 177         if( wndPtr->dwStyle & WS_VISIBLE )
 178             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 179         return 0;
 180
 181     case WM_SETFONT:
 182         infoPtr->hFont = (HFONT16)wParam;
 183         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 184             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 185         break;
 186
 187     case WM_GETFONT:
 188         return infoPtr->hFont;
 189
 190     case WM_SETFOCUS:
 191         infoPtr->state |= BUTTON_HASFOCUS;
 192         if (style == BS_AUTORADIOBUTTON)
 193         {
 194             SendMessageA( hWnd, BM_SETCHECK, 1, 0 );
 195         }
 196         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 197         break;
 198
 199     case WM_KILLFOCUS:
 200         infoPtr->state &= ~BUTTON_HASFOCUS;
 201         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 202         InvalidateRect( hWnd, NULL, TRUE );
 203         break;
 204
 205     case WM_SYSCOLORCHANGE:
 206         InvalidateRect( hWnd, NULL, FALSE );
 207         break;
 208
 209     case BM_SETSTYLE16:
 210     case BM_SETSTYLE:
 211         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 212         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 213                            | (wParam & 0x0000000f);
 214         style = wndPtr->dwStyle & 0x0000000f;
 215         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 216         break;
 217
 218     case BM_GETCHECK16:
 219     case BM_GETCHECK:
 220         return infoPtr->state & 3;
 221
 222     case BM_SETCHECK16:
 223     case BM_SETCHECK:
 224         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 225         if ((infoPtr->state & 3) != wParam)
 226         {
 227             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 228             {
 229                 if (wParam)
 230                     wndPtr->dwStyle |= WS_TABSTOP;
 231                 else
 232                     wndPtr->dwStyle &= ~WS_TABSTOP;
 233             }
 234             infoPtr->state = (infoPtr->state & ~3) | wParam;
 235             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 236         }
 237         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 238             BUTTON_CheckAutoRadioButton( wndPtr );
 239         break;
 240
 241     case BM_GETSTATE16:
 242     case BM_GETSTATE:
 243         return infoPtr->state;
 244
 245     case BM_SETSTATE16:
 246     case BM_SETSTATE:
 247         if (wParam)
 248         {
 249             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 250             infoPtr->state |= BUTTON_HIGHLIGHTED;
 251         }
 252         else
 253         {
 254             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 255             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 256         }
 257         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 258         break;
 259
 260     default:
 261         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 262     }
 263     return 0;
 264 }
 265
 266
 267 /**********************************************************************
 268  *       Push Button Functions
 269  */
 270
 271 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 272 {
 273     RECT rc;
 274     HPEN hOldPen;
 275     HBRUSH hOldBrush;
 276     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 277
 278     GetClientRect( wndPtr->hwndSelf, &rc );
 279
 280       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 281     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 282     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 283     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 284     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 285     SetBkMode(hDC, TRANSPARENT);
 286     Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 287     if (action == ODA_DRAWENTIRE)
 288     {
 289         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 290         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 291         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 292         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 293     }
 294     InflateRect( &rc, -1, -1 );
 295
 296     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 297     {
 298         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 299         InflateRect( &rc, -1, -1 );
 300     }
 301
 302     if (infoPtr->state & BUTTON_HIGHLIGHTED)
 303     {
 304         /* draw button shadow: */
 305         SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 306         PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 307         PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 308         rc.left += 2;  /* To position the text down and right */
 309         rc.top  += 2;
 310     } else {
 311         rc.right++, rc.bottom++;
 312         DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 313         rc.right--, rc.bottom--;
 314     }
 315
 316     /* draw button label, if any: */
 317     if (wndPtr->text && wndPtr->text[0])
 318     {
 319         LOGBRUSH lb;
 320         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 321         if (wndPtr->dwStyle & WS_DISABLED &&
 322             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 323             /* don't write gray text on gray bkg */
 324             PB_PaintGrayOnGray(hDC,infoPtr->hFont,&rc,wndPtr->text);
 325         else
 326         {
 327             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 328                                  GetSysColor(COLOR_GRAYTEXT) :
 329                                  GetSysColor(COLOR_BTNTEXT) );
 330             DrawTextA( hDC, wndPtr->text, -1, &rc,
 331                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 332             /* do we have the focus? */
 333             if (infoPtr->state & BUTTON_HASFOCUS)
 334             {
 335                 RECT r = { 0, 0, 0, 0 };
 336                 INT xdelta, ydelta;
 337
 338                 DrawTextA( hDC, wndPtr->text, -1, &r,
 339                              DT_SINGLELINE | DT_CALCRECT );
 340                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 341                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 342                 if (xdelta < 0) xdelta = 0;
 343                 if (ydelta < 0) ydelta = 0;
 344                 InflateRect( &rc, -xdelta, -ydelta );
 345                 DrawFocusRect( hDC, &rc );
 346             }
 347         }
 348     }
 349
 350     SelectObject( hDC, hOldPen );
 351     SelectObject( hDC, hOldBrush );
 352 }
 353
 354
 355 /**********************************************************************
 356  *   Push Button sub function                               [internal]
 357  *   using a raster brush to avoid gray text on gray background
 358  */
 359
 360 void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text)
 361 {
 362     static const int Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 363     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 364     HDC hdcMem = CreateCompatibleDC(hDC);
 365     HBITMAP hbmMem;
 366     HBRUSH hBr;
 367     RECT rect,rc2;
 368
 369     rect=*rc;
 370     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 371     rc2=rect;
 372     rect.left=(rc->right-rect.right)/2;       /* for centering text bitmap */
 373     rect.top=(rc->bottom-rect.bottom)/2;
 374     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 375     SelectObject( hdcMem, hbmMem);
 376     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 377     DeleteObject( hbm );
 378     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 379     if (hFont) SelectObject( hdcMem, hFont);
 380     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 381     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xFA0089);
 382     DeleteObject( SelectObject( hdcMem,hBr) );
 383     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,0x990000);
 384     DeleteDC( hdcMem);
 385     DeleteObject( hbmMem );
 386 }
 387
 388
 389 /**********************************************************************
 390  *       Check Box & Radio Button Functions
 391  */
 392
 393 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 394 {
 395     RECT rbox, rtext, client;
 396     HBRUSH hBrush;
 397     int textlen, delta;
 398     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 399
 400     textlen = 0;
 401     GetClientRect(wndPtr->hwndSelf, &client);
 402     rbox = rtext = client;
 403
 404     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 405
 406     /* Something is still not right, checkboxes (and edit controls)
 407      * in wsping32 have white backgrounds instead of dark grey.
 408      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 409      * particular case and the background is not painted at all.
 410      */
 411
 412     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 413
 414     if (wndPtr->dwStyle & BS_LEFTTEXT)
 415     {
 416         /* magic +4 is what CTL3D expects */
 417
 418         rtext.right -= checkBoxWidth + 4;
 419         rbox.left = rbox.right - checkBoxWidth;
 420     }
 421     else
 422     {
 423         rtext.left += checkBoxWidth + 4;
 424         rbox.right = checkBoxWidth;
 425     }
 426
 427       /* Draw the check-box bitmap */
 428
 429     if (wndPtr->text) textlen = strlen( wndPtr->text );
 430     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 431     {
 432         HDC hMemDC = CreateCompatibleDC( hDC );
 433         int x = 0, y = 0;
 434         delta = (rbox.bottom - rbox.top - checkBoxHeight) >> 1;
 435
 436         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 437         else FillRect( hDC, &client, hBrush );
 438
 439         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 440         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 441         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 442             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 443         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 444
 445         SelectObject( hMemDC, hbitmapCheckBoxes );
 446         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 447                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 448         DeleteDC( hMemDC );
 449
 450         if( textlen && action != ODA_SELECT )
 451         {
 452             if (wndPtr->dwStyle & WS_DISABLED)
 453                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 454             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 455                          DT_SINGLELINE | DT_VCENTER );
 456             textlen = 0; /* skip DrawText() below */
 457         }
 458     }
 459
 460     if ((action == ODA_FOCUS) ||
 461         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 462     {
 463         /* again, this is what CTL3D expects */
 464
 465         SetRectEmpty(&rbox);
 466         if( textlen )
 467             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 468                          DT_SINGLELINE | DT_CALCRECT );
 469         textlen = rbox.bottom - rbox.top;
 470         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 471         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 472         textlen = rbox.right - rbox.left;
 473         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 474         IntersectRect(&rbox, &rbox, &rtext);
 475         DrawFocusRect( hDC, &rbox );
 476     }
 477 }
 478
 479
 480 /**********************************************************************
 481  *       BUTTON_CheckAutoRadioButton
 482  *
 483  * wndPtr is checked, uncheck every other auto radio button in group
 484  */
 485 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 486 {
 487     HWND parent, sibling, start;
 488     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 489     parent = wndPtr->parent->hwndSelf;
 490     /* assure that starting control is not disabled or invisible */
 491     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 492     do
 493     {
 494         if (!sibling) break;
 495         if ((wndPtr->hwndSelf != sibling) &&
 496             ((WIN_FindWndPtr(sibling)->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 497             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 498         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 499     } while (sibling != start);
 500 }
 501
 502
 503 /**********************************************************************
 504  *       Group Box Functions
 505  */
 506
 507 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 508 {
 509     RECT rc, rcFrame;
 510     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 511
 512     if (action != ODA_DRAWENTIRE) return;
 513
 514     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 515
 516     GetClientRect( wndPtr->hwndSelf, &rc);
 517     if (TWEAK_WineLook == WIN31_LOOK) {
 518         HPEN hPrevPen = SelectObject( hDC,
 519                                           GetSysColorPen(COLOR_WINDOWFRAME));
 520         HBRUSH hPrevBrush = SelectObject( hDC,
 521                                               GetStockObject(NULL_BRUSH) );
 522
 523         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 524         SelectObject( hDC, hPrevBrush );
 525         SelectObject( hDC, hPrevPen );
 526     } else {
 527         TEXTMETRICA tm;
 528         rcFrame = rc;
 529
 530         if (infoPtr->hFont)
 531             SelectObject (hDC, infoPtr->hFont);
 532         GetTextMetricsA (hDC, &tm);
 533         rcFrame.top += (tm.tmHeight / 2) - 1;
 534         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 535     }
 536
 537     if (wndPtr->text)
 538     {
 539         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 540         if (wndPtr->dwStyle & WS_DISABLED)
 541             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 542         rc.left += 10;
 543         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 544     }
 545 }
 546
 547
 548 /**********************************************************************
 549  *       User Button Functions
 550  */
 551
 552 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 553 {
 554     RECT rc;
 555     HBRUSH hBrush;
 556     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 557
 558     if (action == ODA_SELECT) return;
 559
 560     GetClientRect( wndPtr->hwndSelf, &rc);
 561
 562     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 563     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 564
 565     FillRect( hDC, &rc, hBrush );
 566     if ((action == ODA_FOCUS) ||
 567         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 568         DrawFocusRect( hDC, &rc );
 569 }
 570
 571
 572 /**********************************************************************
 573  *       Ownerdrawn Button Functions
 574  */
 575
 576 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 577 {
 578     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 579     DRAWITEMSTRUCT dis;
 580
 581     dis.CtlType    = ODT_BUTTON;
 582     dis.CtlID      = wndPtr->wIDmenu;
 583     dis.itemID     = 0;
 584     dis.itemAction = action;
 585     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 586                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 587                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 588     dis.hwndItem   = wndPtr->hwndSelf;
 589     dis.hDC        = hDC;
 590     dis.itemData   = 0;
 591     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 592     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 593                     wndPtr->wIDmenu, (LPARAM)&dis );
 594 }