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     LRESULT retvalue;
  83     POINT pt = { LOWORD(lParam), HIWORD(lParam) };
  84     WND *wndPtr = WIN_FindWndPtr(hWnd);
  85     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  86     LONG style = wndPtr->dwStyle & 0x0f;
  87     HANDLE oldHbitmap;
  88
  89     switch (uMsg)
  90     {
  91     case WM_GETDLGCODE:
  92         WIN_ReleaseWndPtr(wndPtr);
  93         switch(style)
  94         {
  95         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
  96         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
  97         case BS_RADIOBUTTON:
  98         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
  99         default:                 return DLGC_BUTTON;
 100         }
 101
 102     case WM_ENABLE:
 103         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 104         break;
 105
 106     case WM_CREATE:
 107         if (!hbitmapCheckBoxes)
 108         {
 109             BITMAP bmp;
 110             hbitmapCheckBoxes = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_CHECKBOXES));
 111             GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 112             checkBoxWidth  = bmp.bmWidth / 4;
 113             checkBoxHeight = bmp.bmHeight / 3;
 114         }
 115         if (style < 0L || style >= MAX_BTN_TYPE)
 116         {
 117             WIN_ReleaseWndPtr(wndPtr);
 118             return -1; /* abort */
 119         }
 120         infoPtr->state = BUTTON_UNCHECKED;
 121         infoPtr->hFont = 0;
 122         infoPtr->hImage = NULL;
 123         WIN_ReleaseWndPtr(wndPtr);
 124         return 0;
 125
 126     case WM_ERASEBKGND:
 127         WIN_ReleaseWndPtr(wndPtr);
 128         return 1;
 129
 130     case WM_PAINT:
 131         if (btnPaintFunc[style])
 132         {
 133             PAINTSTRUCT ps;
 134             HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
 135             SetBkMode( hdc, OPAQUE );
 136             (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
 137             if( !wParam ) EndPaint( hWnd, &ps );
 138         }
 139         break;
 140
 141     case WM_LBUTTONDOWN:
 142     case WM_LBUTTONDBLCLK:
 143         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 144         SetFocus( hWnd );
 145         SetCapture( hWnd );
 146         break;
 147
 148     case WM_LBUTTONUP:
 149         ReleaseCapture();
 150         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 151         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 152         GetClientRect( hWnd, &rect );
 153         if (PtInRect( &rect, pt ))
 154         {
 155             switch(style)
 156             {
 157             case BS_AUTOCHECKBOX:
 158                 SendMessageA( hWnd, BM_SETCHECK,
 159                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 160                 break;
 161             case BS_AUTORADIOBUTTON:
 162                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 163                 break;
 164             case BS_AUTO3STATE:
 165                 SendMessageA( hWnd, BM_SETCHECK,
 166                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 167                                 ((infoPtr->state & 3) + 1), 0 );
 168                 break;
 169             }
 170             SendMessageA( GetParent(hWnd), WM_COMMAND,
 171                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 172         }
 173         break;
 174
 175     case WM_MOUSEMOVE:
 176         if (GetCapture() == hWnd)
 177         {
 178             GetClientRect( hWnd, &rect );
 179             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 180         }
 181         break;
 182
 183     case WM_NCHITTEST:
 184         WIN_ReleaseWndPtr(wndPtr);
 185         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 186         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 187
 188     case WM_SETTEXT:
 189         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 190         if( wndPtr->dwStyle & WS_VISIBLE )
 191             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 192         WIN_ReleaseWndPtr(wndPtr);
 193         return 0;
 194
 195     case WM_SETFONT:
 196         infoPtr->hFont = (HFONT16)wParam;
 197         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 198             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 199         break;
 200
 201     case WM_GETFONT:
 202         retvalue = infoPtr->hFont;
 203         WIN_ReleaseWndPtr(wndPtr);
 204         return retvalue;
 205
 206     case WM_SETFOCUS:
 207         infoPtr->state |= BUTTON_HASFOCUS;
 208         if (style == BS_AUTORADIOBUTTON)
 209         {
 210             SendMessageA( hWnd, BM_SETCHECK, 1, 0 );
 211         }
 212         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 213         break;
 214
 215     case WM_KILLFOCUS:
 216         infoPtr->state &= ~BUTTON_HASFOCUS;
 217         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 218         InvalidateRect( hWnd, NULL, TRUE );
 219         break;
 220
 221     case WM_SYSCOLORCHANGE:
 222         InvalidateRect( hWnd, NULL, FALSE );
 223         break;
 224
 225     case BM_SETSTYLE16:
 226     case BM_SETSTYLE:
 227         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 228         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 229                            | (wParam & 0x0000000f);
 230         style = wndPtr->dwStyle & 0x0000000f;
 231         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 232         break;
 233
 234     case BM_SETIMAGE:
 235         oldHbitmap = infoPtr->hImage;
 236         if(wndPtr->dwStyle & BS_BITMAP)
 237             infoPtr->hImage = (HANDLE) lParam;
 238         WIN_ReleaseWndPtr(wndPtr);
 239         return oldHbitmap;
 240
 241     case BM_GETIMAGE:
 242         WIN_ReleaseWndPtr(wndPtr);
 243         return infoPtr->hImage;
 244
 245     case BM_GETCHECK16:
 246     case BM_GETCHECK:
 247         retvalue = infoPtr->state & 3;
 248         WIN_ReleaseWndPtr(wndPtr);
 249         return retvalue;
 250
 251     case BM_SETCHECK16:
 252     case BM_SETCHECK:
 253         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 254         if ((infoPtr->state & 3) != wParam)
 255         {
 256             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 257             {
 258                 if (wParam)
 259                     wndPtr->dwStyle |= WS_TABSTOP;
 260                 else
 261                     wndPtr->dwStyle &= ~WS_TABSTOP;
 262             }
 263             infoPtr->state = (infoPtr->state & ~3) | wParam;
 264             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 265         }
 266         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 267             BUTTON_CheckAutoRadioButton( wndPtr );
 268         break;
 269
 270     case BM_GETSTATE16:
 271     case BM_GETSTATE:
 272         retvalue = infoPtr->state;
 273         WIN_ReleaseWndPtr(wndPtr);
 274         return retvalue;
 275
 276     case BM_SETSTATE16:
 277     case BM_SETSTATE:
 278         if (wParam)
 279         {
 280             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 281             infoPtr->state |= BUTTON_HIGHLIGHTED;
 282         }
 283         else
 284         {
 285             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 286             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 287         }
 288         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 289         break;
 290
 291     default:
 292         WIN_ReleaseWndPtr(wndPtr);
 293         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 294     }
 295     WIN_ReleaseWndPtr(wndPtr);
 296     return 0;
 297 }
 298
 299
 300 /**********************************************************************
 301  *       Push Button Functions
 302  */
 303
 304 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 305 {
 306     RECT rc;
 307     HPEN hOldPen;
 308     HBRUSH hOldBrush;
 309     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 310     int xBorderOffset, yBorderOffset;
 311     xBorderOffset = yBorderOffset = 0;
 312
 313     GetClientRect( wndPtr->hwndSelf, &rc );
 314
 315       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 316     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 317     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 318     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 319     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 320     SetBkMode(hDC, TRANSPARENT);
 321     Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 322 /*    if (action == ODA_DRAWENTIRE)*/
 323     {
 324         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 325         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 326         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 327         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 328     }
 329     InflateRect( &rc, -1, -1 );
 330
 331     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 332     {
 333         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 334         InflateRect( &rc, -1, -1 );
 335     }
 336
 337     if (infoPtr->state & BUTTON_HIGHLIGHTED)
 338     {
 339         /* draw button shadow: */
 340         SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 341         PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 342         PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 343         rc.left += 2;  /* To position the text down and right */
 344         rc.top  += 2;
 345     } else {
 346         rc.right++, rc.bottom++;
 347         DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 348
 349         /* To place de bitmap correctly */
 350         xBorderOffset += GetSystemMetrics(SM_CXEDGE);
 351         yBorderOffset += GetSystemMetrics(SM_CYEDGE);
 352
 353         rc.right--, rc.bottom--;
 354     }
 355
 356     /* draw button label, if any: */
 357     if (wndPtr->text && wndPtr->text[0])
 358     {
 359         LOGBRUSH lb;
 360         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 361         if (wndPtr->dwStyle & WS_DISABLED &&
 362             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 363             /* don't write gray text on gray background */
 364             PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
 365                                DT_CENTER | DT_VCENTER );
 366         else
 367         {
 368             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 369                                  GetSysColor(COLOR_GRAYTEXT) :
 370                                  GetSysColor(COLOR_BTNTEXT) );
 371             DrawTextA( hDC, wndPtr->text, -1, &rc,
 372                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 373             /* do we have the focus? */
 374             if (infoPtr->state & BUTTON_HASFOCUS)
 375             {
 376                 RECT r = { 0, 0, 0, 0 };
 377                 INT xdelta, ydelta;
 378
 379                 DrawTextA( hDC, wndPtr->text, -1, &r,
 380                              DT_SINGLELINE | DT_CALCRECT );
 381                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 382                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 383                 if (xdelta < 0) xdelta = 0;
 384                 if (ydelta < 0) ydelta = 0;
 385                 InflateRect( &rc, -xdelta, -ydelta );
 386                 DrawFocusRect( hDC, &rc );
 387             }
 388         }
 389     }
 390
 391     if((wndPtr->dwStyle & BS_BITMAP) && (infoPtr->hImage != NULL))
 392     {
 393         BITMAP bm;
 394         HDC hdcMem;
 395         int yOffset, xOffset, imageWidth, imageHeight;
 396
 397         GetObjectA (infoPtr->hImage, sizeof(BITMAP), &bm);
 398
 399         /* Center the bitmap */
 400         xOffset = (((rc.right - rc.left) - 2*xBorderOffset) - bm.bmWidth ) / 2;
 401         yOffset = (((rc.bottom - rc.top) - 2*yBorderOffset) - bm.bmHeight ) / 2;
 402
 403         imageWidth = bm.bmWidth;
 404         imageHeight = bm.bmHeight;
 405
 406         /* If the image is to big for the button */
 407         if (xOffset < 0)
 408         {
 409             imageWidth = rc.right - rc.left - 2*xBorderOffset -1;
 410             xOffset = xBorderOffset;
 411         }
 412
 413         if (yOffset < 0)
 414         {
 415             imageHeight = rc.bottom - rc.top - 2*yBorderOffset -1;
 416             yOffset = yBorderOffset;
 417         }
 418
 419         /* Let minimum 1 space from border */
 420         xOffset++, yOffset++;
 421
 422         hdcMem = CreateCompatibleDC (hDC);
 423         SelectObject (hdcMem, (HBITMAP)infoPtr->hImage);
 424         BitBlt(hDC, rc.left + xOffset,
 425                rc.top + yOffset,
 426                imageWidth, imageHeight,
 427                hdcMem, 0, 0, SRCCOPY);
 428
 429         DeleteDC (hdcMem);
 430     }
 431
 432     SelectObject( hDC, hOldPen );
 433     SelectObject( hDC, hOldBrush );
 434 }
 435
 436
 437 /**********************************************************************
 438  *   PB_Paint & CB_Paint sub function                        [internal]
 439  *   Paint text using a raster brush to avoid gray text on gray
 440  *   background. 'format' can be a combination of DT_CENTER and
 441  *   DT_VCENTER to use this function in both PB_PAINT and
 442  *   CB_PAINT.   - Dirk Thierbach
 443  *
 444  *   FIXME: This and TEXT_GrayString should be eventually combined,
 445  *   so calling one common function from PB_Paint, CB_Paint and
 446  *   TEXT_GrayString will be enough. Also note that this
 447  *   function ignores the CACHE_GetPattern funcs.
 448  */
 449
 450 void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
 451                         UINT format)
 452 {
 453 /*  This is the standard gray on gray pattern:
 454     static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 455 */
 456 /*  This pattern gives better readability with X Fonts.
 457     FIXME: Maybe the user should be allowed to decide which he wants. */
 458     static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
 459
 460     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 461     HDC hdcMem = CreateCompatibleDC(hDC);
 462     HBITMAP hbmMem;
 463     HBRUSH hBr;
 464     RECT rect,rc2;
 465
 466     rect=*rc;
 467     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 468     /* now text width and height are in rect.right and rect.bottom */
 469     rc2=rect;
 470     rect.left = rect.top = 0; /* drawing pos in hdcMem */
 471     if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
 472     if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
 473     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 474     SelectObject( hdcMem, hbmMem);
 475     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 476       /* will be overwritten by DrawText, but just in case */
 477     if (hFont) SelectObject( hdcMem, hFont);
 478     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 479       /* After draw: foreground = 0 bits, background = 1 bits */
 480     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 481     DeleteObject( hbm );
 482     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
 483       /* only keep the foreground bits where pattern is 1 */
 484     DeleteObject( SelectObject( hdcMem,hBr) );
 485     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
 486       /* keep the background of the dest */
 487     DeleteDC( hdcMem);
 488     DeleteObject( hbmMem );
 489 }
 490
 491
 492 /**********************************************************************
 493  *       Check Box & Radio Button Functions
 494  */
 495
 496 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 497 {
 498     RECT rbox, rtext, client;
 499     HBRUSH hBrush;
 500     int textlen, delta;
 501     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 502
 503     textlen = 0;
 504     GetClientRect(wndPtr->hwndSelf, &client);
 505     rbox = rtext = client;
 506
 507     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 508
 509     /* Something is still not right, checkboxes (and edit controls)
 510      * in wsping32 have white backgrounds instead of dark grey.
 511      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 512      * particular case and the background is not painted at all.
 513      */
 514
 515     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 516
 517     if (wndPtr->dwStyle & BS_LEFTTEXT)
 518     {
 519         /* magic +4 is what CTL3D expects */
 520
 521         rtext.right -= checkBoxWidth + 4;
 522         rbox.left = rbox.right - checkBoxWidth;
 523     }
 524     else
 525     {
 526         rtext.left += checkBoxWidth + 4;
 527         rbox.right = checkBoxWidth;
 528     }
 529
 530       /* Draw the check-box bitmap */
 531
 532     if (wndPtr->text) textlen = strlen( wndPtr->text );
 533     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 534     {
 535         HDC hMemDC = CreateCompatibleDC( hDC );
 536         int x = 0, y = 0;
 537         delta = (rbox.bottom - rbox.top - checkBoxHeight) >> 1;
 538
 539         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 540         else FillRect( hDC, &client, hBrush );
 541
 542         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 543         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 544         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 545             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 546         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 547
 548         SelectObject( hMemDC, hbitmapCheckBoxes );
 549         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 550                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 551         DeleteDC( hMemDC );
 552
 553         if( textlen && action != ODA_SELECT )
 554         {
 555           if (wndPtr->dwStyle & WS_DISABLED &&
 556               GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
 557             /* don't write gray text on gray background */
 558             PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
 559                              DT_VCENTER);
 560           } else {
 561             if (wndPtr->dwStyle & WS_DISABLED)
 562                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 563             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 564                          DT_SINGLELINE | DT_VCENTER );
 565             textlen = 0; /* skip DrawText() below */
 566           }
 567         }
 568     }
 569
 570     if ((action == ODA_FOCUS) ||
 571         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 572     {
 573         /* again, this is what CTL3D expects */
 574
 575         SetRectEmpty(&rbox);
 576         if( textlen )
 577             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 578                          DT_SINGLELINE | DT_CALCRECT );
 579         textlen = rbox.bottom - rbox.top;
 580         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 581         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 582         textlen = rbox.right - rbox.left;
 583         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 584         IntersectRect(&rbox, &rbox, &rtext);
 585         DrawFocusRect( hDC, &rbox );
 586     }
 587 }
 588
 589
 590 /**********************************************************************
 591  *       BUTTON_CheckAutoRadioButton
 592  *
 593  * wndPtr is checked, uncheck every other auto radio button in group
 594  */
 595 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 596 {
 597     HWND parent, sibling, start;
 598     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 599     parent = wndPtr->parent->hwndSelf;
 600     /* assure that starting control is not disabled or invisible */
 601     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 602     do
 603     {
 604         WND *tmpWnd;
 605         if (!sibling) break;
 606         tmpWnd = WIN_FindWndPtr(sibling);
 607         if ((wndPtr->hwndSelf != sibling) &&
 608             ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 609             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 610         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 611         WIN_ReleaseWndPtr(tmpWnd);
 612     } while (sibling != start);
 613 }
 614
 615
 616 /**********************************************************************
 617  *       Group Box Functions
 618  */
 619
 620 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 621 {
 622     RECT rc, rcFrame;
 623     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 624
 625     if (action != ODA_DRAWENTIRE) return;
 626
 627     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 628
 629     GetClientRect( wndPtr->hwndSelf, &rc);
 630     if (TWEAK_WineLook == WIN31_LOOK) {
 631         HPEN hPrevPen = SelectObject( hDC,
 632                                           GetSysColorPen(COLOR_WINDOWFRAME));
 633         HBRUSH hPrevBrush = SelectObject( hDC,
 634                                               GetStockObject(NULL_BRUSH) );
 635
 636         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 637         SelectObject( hDC, hPrevBrush );
 638         SelectObject( hDC, hPrevPen );
 639     } else {
 640         TEXTMETRICA tm;
 641         rcFrame = rc;
 642
 643         if (infoPtr->hFont)
 644             SelectObject (hDC, infoPtr->hFont);
 645         GetTextMetricsA (hDC, &tm);
 646         rcFrame.top += (tm.tmHeight / 2) - 1;
 647         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 648     }
 649
 650     if (wndPtr->text)
 651     {
 652         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 653         if (wndPtr->dwStyle & WS_DISABLED)
 654             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 655         rc.left += 10;
 656         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 657     }
 658 }
 659
 660
 661 /**********************************************************************
 662  *       User Button Functions
 663  */
 664
 665 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 666 {
 667     RECT rc;
 668     HBRUSH hBrush;
 669     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 670
 671     if (action == ODA_SELECT) return;
 672
 673     GetClientRect( wndPtr->hwndSelf, &rc);
 674
 675     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 676     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 677
 678     FillRect( hDC, &rc, hBrush );
 679     if ((action == ODA_FOCUS) ||
 680         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 681         DrawFocusRect( hDC, &rc );
 682 }
 683
 684
 685 /**********************************************************************
 686  *       Ownerdrawn Button Functions
 687  */
 688
 689 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 690 {
 691     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 692     DRAWITEMSTRUCT dis;
 693
 694     dis.CtlType    = ODT_BUTTON;
 695     dis.CtlID      = wndPtr->wIDmenu;
 696     dis.itemID     = 0;
 697     dis.itemAction = action;
 698     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 699                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 700                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 701     dis.hwndItem   = wndPtr->hwndSelf;
 702     dis.hDC        = hDC;
 703     dis.itemData   = 0;
 704     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 705     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 706                     wndPtr->wIDmenu, (LPARAM)&dis );
 707 }
 708