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 "wine/winuser16.h"
  12 #include "tweak.h"
  13
  14 static void PaintGrayOnGray( HDC hDC,HFONT hFont,RECT *rc,
  15                              char *text, UINT format );
  16
  17 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
  18 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
  19 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
  20 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
  21 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action );
  22 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
  23 static void BUTTON_DrawPushButton( WND *wndPtr, HDC hDC, WORD action, BOOL pushedState);
  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_locked
  77  *
  78  * Called with window lock held.
  79  */
  80 static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg,
  81                                            WPARAM wParam, LPARAM lParam )
  82 {
  83     RECT rect;
  84     HWND        hWnd = wndPtr->hwndSelf;
  85     POINT pt;
  86     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  87     LONG style = wndPtr->dwStyle & 0x0f;
  88     HANDLE oldHbitmap;
  89
  90     pt.x = LOWORD(lParam);
  91     pt.y = HIWORD(lParam);
  92
  93     switch (uMsg)
  94     {
  95     case WM_GETDLGCODE:
  96         switch(style)
  97         {
  98         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
  99         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
 100         case BS_RADIOBUTTON:
 101         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
 102         default:                 return DLGC_BUTTON;
 103         }
 104
 105     case WM_ENABLE:
 106         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 107         break;
 108
 109     case WM_CREATE:
 110         if (!hbitmapCheckBoxes)
 111         {
 112             BITMAP bmp;
 113             hbitmapCheckBoxes = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_CHECKBOXES));
 114             GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 115             checkBoxWidth  = bmp.bmWidth / 4;
 116             checkBoxHeight = bmp.bmHeight / 3;
 117         }
 118         if (style < 0L || style >= MAX_BTN_TYPE)
 119             return -1; /* abort */
 120         infoPtr->state = BUTTON_UNCHECKED;
 121         infoPtr->hFont = 0;
 122         infoPtr->hImage = NULL;
 123         return 0;
 124
 125     case WM_ERASEBKGND:
 126         return 1;
 127
 128     case WM_PAINT:
 129         if (btnPaintFunc[style])
 130         {
 131             PAINTSTRUCT ps;
 132             HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
 133             SetBkMode( hdc, OPAQUE );
 134             (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
 135             if( !wParam ) EndPaint( hWnd, &ps );
 136         }
 137         break;
 138
 139     case WM_LBUTTONDBLCLK:
 140         if(wndPtr->dwStyle & BS_NOTIFY ||
 141                 style==BS_RADIOBUTTON ||
 142                 style==BS_USERBUTTON ||
 143                 style==BS_OWNERDRAW){
 144             SendMessageA( GetParent(hWnd), WM_COMMAND,
 145                     MAKEWPARAM( wndPtr->wIDmenu, BN_DOUBLECLICKED ), hWnd);
 146             break;
 147         }
 148         /* fall through */
 149     case WM_LBUTTONDOWN:
 150         SetCapture( hWnd );
 151         SetFocus( hWnd );
 152         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 153         break;
 154
 155     case WM_LBUTTONUP:
 156         /* FIXME: real windows uses extra flags in the status for this */
 157         if (GetCapture() != hWnd) break;
 158         ReleaseCapture();
 159         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 160         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 161         GetClientRect( hWnd, &rect );
 162         if (PtInRect( &rect, pt ))
 163         {
 164             switch(style)
 165             {
 166             case BS_AUTOCHECKBOX:
 167                 SendMessageA( hWnd, BM_SETCHECK,
 168                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 169                 break;
 170             case BS_AUTORADIOBUTTON:
 171                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 172                 break;
 173             case BS_AUTO3STATE:
 174                 SendMessageA( hWnd, BM_SETCHECK,
 175                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 176                                 ((infoPtr->state & 3) + 1), 0 );
 177                 break;
 178             }
 179             SendMessageA( GetParent(hWnd), WM_COMMAND,
 180                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 181         }
 182         break;
 183
 184     case WM_MOUSEMOVE:
 185         if (GetCapture() == hWnd)
 186         {
 187             GetClientRect( hWnd, &rect );
 188             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 189         }
 190         break;
 191
 192     case WM_NCHITTEST:
 193         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 194         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 195
 196     case WM_SETTEXT:
 197         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 198         if( wndPtr->dwStyle & WS_VISIBLE )
 199             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 200         return 0;
 201
 202     case WM_SETFONT:
 203         infoPtr->hFont = (HFONT16)wParam;
 204         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 205             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 206         break;
 207
 208     case WM_GETFONT:
 209         return infoPtr->hFont;
 210
 211     case WM_SETFOCUS:
 212         if ((style == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
 213             !(SendMessageA(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
 214         {
 215             /* The notification is sent when the button (BS_AUTORADIOBUTTON)
 216                is unckecked and the focus was not given by a mouse click. */
 217             SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 218             SendMessageA( GetParent(hWnd), WM_COMMAND,
 219                           MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 220         }
 221         infoPtr->state |= BUTTON_HASFOCUS;
 222         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 223         break;
 224
 225     case WM_KILLFOCUS:
 226         infoPtr->state &= ~BUTTON_HASFOCUS;
 227         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 228         InvalidateRect( hWnd, NULL, TRUE );
 229         break;
 230
 231     case WM_SYSCOLORCHANGE:
 232         InvalidateRect( hWnd, NULL, FALSE );
 233         break;
 234
 235     case BM_SETSTYLE16:
 236     case BM_SETSTYLE:
 237         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 238         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 239                            | (wParam & 0x0000000f);
 240         style = wndPtr->dwStyle & 0x0000000f;
 241         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 242         break;
 243
 244     case BM_SETIMAGE:
 245         oldHbitmap = infoPtr->hImage;
 246         if ((wndPtr->dwStyle & BS_BITMAP) || (wndPtr->dwStyle & BS_ICON))
 247             infoPtr->hImage = (HANDLE) lParam;
 248         return oldHbitmap;
 249
 250     case BM_GETIMAGE:
 251         if (wParam == IMAGE_BITMAP)
 252             return (HBITMAP)infoPtr->hImage;
 253         else if (wParam == IMAGE_ICON)
 254             return (HICON)infoPtr->hImage;
 255         else
 256             return NULL;
 257
 258     case BM_GETCHECK16:
 259     case BM_GETCHECK:
 260         return infoPtr->state & 3;
 261
 262     case BM_SETCHECK16:
 263     case BM_SETCHECK:
 264         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 265         if ((infoPtr->state & 3) != wParam)
 266         {
 267             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 268             {
 269                 if (wParam)
 270                     wndPtr->dwStyle |= WS_TABSTOP;
 271                 else
 272                     wndPtr->dwStyle &= ~WS_TABSTOP;
 273             }
 274             infoPtr->state = (infoPtr->state & ~3) | wParam;
 275             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 276         }
 277         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 278             BUTTON_CheckAutoRadioButton( wndPtr );
 279         break;
 280
 281     case BM_GETSTATE16:
 282     case BM_GETSTATE:
 283         return infoPtr->state;
 284
 285     case BM_SETSTATE16:
 286     case BM_SETSTATE:
 287         if (wParam)
 288         {
 289             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 290             infoPtr->state |= BUTTON_HIGHLIGHTED;
 291         }
 292         else
 293         {
 294             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 295             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 296         }
 297         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 298         break;
 299
 300     default:
 301         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 302     }
 303     return 0;
 304 }
 305
 306 /***********************************************************************
 307  *           ButtonWndProc
 308  * The button window procedure. This is just a wrapper which locks
 309  * the passed HWND and calls the real window procedure (with a WND*
 310  * pointer pointing to the locked windowstructure).
 311  */
 312 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
 313                               WPARAM wParam, LPARAM lParam )
 314 {
 315     LRESULT res;
 316     WND *wndPtr = WIN_FindWndPtr(hWnd);
 317
 318     res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam);
 319
 320     WIN_ReleaseWndPtr(wndPtr);
 321     return res;
 322 }
 323
 324 /**********************************************************************
 325  *       Push Button Functions
 326  */
 327 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 328 {
 329     BUTTONINFO *infoPtr      = (BUTTONINFO *)wndPtr->wExtra;
 330     BOOL        bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
 331
 332     /*
 333      * Delegate this to the more generic pushbutton painting
 334      * method.
 335      */
 336     BUTTON_DrawPushButton(wndPtr,
 337                           hDC,
 338                           action,
 339                           bHighLighted);
 340 }
 341
 342 /**********************************************************************
 343  * This method will actually do the drawing of the pushbutton
 344  * depending on it's state and the pushedState parameter.
 345  */
 346 static void BUTTON_DrawPushButton(
 347   WND* wndPtr,
 348   HDC  hDC,
 349   WORD action,
 350   BOOL pushedState )
 351 {
 352     RECT rc, focus_rect;
 353     HPEN hOldPen;
 354     HBRUSH hOldBrush;
 355     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 356     int xBorderOffset, yBorderOffset;
 357     xBorderOffset = yBorderOffset = 0;
 358
 359     GetClientRect( wndPtr->hwndSelf, &rc );
 360
 361       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 362     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 363     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 364     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 365     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 366     SetBkMode(hDC, TRANSPARENT);
 367
 368     if ( TWEAK_WineLook == WIN31_LOOK)
 369     {
 370         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 371
 372         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 373         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 374         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 375         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 376         InflateRect( &rc, -1, -1 );
 377     }
 378
 379     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 380     {
 381         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 382         InflateRect( &rc, -1, -1 );
 383     }
 384
 385     if (TWEAK_WineLook == WIN31_LOOK)
 386     {
 387         if (pushedState)
 388         {
 389             /* draw button shadow: */
 390             SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 391             PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 392             PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 393             rc.left += 2;  /* To position the text down and right */
 394             rc.top  += 2;
 395         } else {
 396            rc.right++, rc.bottom++;
 397            DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 398
 399            /* To place de bitmap correctly */
 400            xBorderOffset += GetSystemMetrics(SM_CXEDGE);
 401            yBorderOffset += GetSystemMetrics(SM_CYEDGE);
 402
 403            rc.right--, rc.bottom--;
 404         }
 405     }
 406     else
 407     {
 408         UINT uState = DFCS_BUTTONPUSH;
 409
 410         if (pushedState)
 411         {
 412             if ( (wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON )
 413                 uState |= DFCS_FLAT;
 414             else
 415                 uState |= DFCS_PUSHED;
 416         }
 417
 418         DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
 419         InflateRect( &rc, -2, -2 );
 420
 421         focus_rect = rc;
 422
 423         if (pushedState)
 424         {
 425             rc.left += 2;  /* To position the text down and right */
 426             rc.top  += 2;
 427         }
 428     }
 429
 430     /* draw button label, if any:
 431      *
 432      * In win9x we don't show text if there is a bitmap or icon.
 433      * I don't know about win31 so I leave it as it was for win31.
 434      * Dennis Björklund 12 Jul, 99
 435      */
 436     if ( wndPtr->text && wndPtr->text[0]
 437          && (TWEAK_WineLook == WIN31_LOOK || !(wndPtr->dwStyle & (BS_ICON|BS_BITMAP))) )
 438     {
 439         LOGBRUSH lb;
 440         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 441         if (wndPtr->dwStyle & WS_DISABLED &&
 442             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 443             /* don't write gray text on gray background */
 444             PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
 445                                DT_CENTER | DT_VCENTER );
 446         else
 447         {
 448             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 449                                  GetSysColor(COLOR_GRAYTEXT) :
 450                                  GetSysColor(COLOR_BTNTEXT) );
 451             DrawTextA( hDC, wndPtr->text, -1, &rc,
 452                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 453             /* do we have the focus?
 454              * Win9x draws focus last with a size prop. to the button
 455              */
 456             if (TWEAK_WineLook == WIN31_LOOK
 457                 && infoPtr->state & BUTTON_HASFOCUS)
 458             {
 459                 RECT r = { 0, 0, 0, 0 };
 460                 INT xdelta, ydelta;
 461
 462                 DrawTextA( hDC, wndPtr->text, -1, &r,
 463                              DT_SINGLELINE | DT_CALCRECT );
 464                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 465                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 466                 if (xdelta < 0) xdelta = 0;
 467                 if (ydelta < 0) ydelta = 0;
 468                 InflateRect( &rc, -xdelta, -ydelta );
 469                 DrawFocusRect( hDC, &rc );
 470             }
 471         }
 472     }
 473     if ( ((wndPtr->dwStyle & BS_ICON) || (wndPtr->dwStyle & BS_BITMAP) ) &&
 474          (infoPtr->hImage != NULL) )
 475     {
 476         int yOffset, xOffset;
 477         int imageWidth, imageHeight;
 478
 479         /*
 480          * We extract the size of the image from the handle.
 481          */
 482         if (wndPtr->dwStyle & BS_ICON)
 483         {
 484             ICONINFO iconInfo;
 485             BITMAP   bm;
 486
 487             GetIconInfo((HICON)infoPtr->hImage, &iconInfo);
 488             GetObjectA (iconInfo.hbmColor, sizeof(BITMAP), &bm);
 489
 490             imageWidth  = bm.bmWidth;
 491             imageHeight = bm.bmHeight;
 492
 493             DeleteObject(iconInfo.hbmColor);
 494             DeleteObject(iconInfo.hbmMask);
 495
 496         }
 497         else
 498         {
 499             BITMAP   bm;
 500
 501             GetObjectA (infoPtr->hImage, sizeof(BITMAP), &bm);
 502
 503             imageWidth  = bm.bmWidth;
 504             imageHeight = bm.bmHeight;
 505         }
 506
 507         /* Center the bitmap */
 508         xOffset = (((rc.right - rc.left) - 2*xBorderOffset) - imageWidth ) / 2;
 509         yOffset = (((rc.bottom - rc.top) - 2*yBorderOffset) - imageHeight) / 2;
 510
 511         /* If the image is too big for the button then create a region*/
 512         if(xOffset < 0 || yOffset < 0)
 513         {
 514             HRGN hBitmapRgn = NULL;
 515             hBitmapRgn = CreateRectRgn(
 516                 rc.left + xBorderOffset, rc.top +yBorderOffset,
 517                 rc.right - xBorderOffset, rc.bottom - yBorderOffset);
 518             SelectClipRgn(hDC, hBitmapRgn);
 519             DeleteObject(hBitmapRgn);
 520         }
 521
 522         /* Let minimum 1 space from border */
 523         xOffset++, yOffset++;
 524
 525         /*
 526          * Draw the image now.
 527          */
 528         if (wndPtr->dwStyle & BS_ICON)
 529         {
 530             DrawIcon(hDC,
 531                 rc.left + xOffset, rc.top + yOffset,
 532                      (HICON)infoPtr->hImage);
 533         }
 534         else
 535         {
 536             HDC hdcMem;
 537
 538             hdcMem = CreateCompatibleDC (hDC);
 539             SelectObject (hdcMem, (HBITMAP)infoPtr->hImage);
 540             BitBlt(hDC,
 541                    rc.left + xOffset,
 542                    rc.top + yOffset,
 543                    imageWidth, imageHeight,
 544                    hdcMem, 0, 0, SRCCOPY);
 545
 546             DeleteDC (hdcMem);
 547         }
 548
 549         if(xOffset < 0 || yOffset < 0)
 550         {
 551             SelectClipRgn(hDC, NULL);
 552         }
 553     }
 554
 555     if (TWEAK_WineLook != WIN31_LOOK
 556         && infoPtr->state & BUTTON_HASFOCUS)
 557     {
 558         InflateRect( &focus_rect, -1, -1 );
 559         DrawFocusRect( hDC, &focus_rect );
 560     }
 561
 562
 563     SelectObject( hDC, hOldPen );
 564     SelectObject( hDC, hOldBrush );
 565 }
 566
 567
 568 /**********************************************************************
 569  *   PB_Paint & CB_Paint sub function                        [internal]
 570  *   Paint text using a raster brush to avoid gray text on gray
 571  *   background. 'format' can be a combination of DT_CENTER and
 572  *   DT_VCENTER to use this function in both PB_PAINT and
 573  *   CB_PAINT.   - Dirk Thierbach
 574  *
 575  *   FIXME: This and TEXT_GrayString should be eventually combined,
 576  *   so calling one common function from PB_Paint, CB_Paint and
 577  *   TEXT_GrayString will be enough. Also note that this
 578  *   function ignores the CACHE_GetPattern funcs.
 579  */
 580
 581 void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
 582                         UINT format)
 583 {
 584 /*  This is the standard gray on gray pattern:
 585     static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 586 */
 587 /*  This pattern gives better readability with X Fonts.
 588     FIXME: Maybe the user should be allowed to decide which he wants. */
 589     static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
 590
 591     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 592     HDC hdcMem = CreateCompatibleDC(hDC);
 593     HBITMAP hbmMem;
 594     HBRUSH hBr;
 595     RECT rect,rc2;
 596
 597     rect=*rc;
 598     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 599     /* now text width and height are in rect.right and rect.bottom */
 600     rc2=rect;
 601     rect.left = rect.top = 0; /* drawing pos in hdcMem */
 602     if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
 603     if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
 604     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 605     SelectObject( hdcMem, hbmMem);
 606     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 607       /* will be overwritten by DrawText, but just in case */
 608     if (hFont) SelectObject( hdcMem, hFont);
 609     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 610       /* After draw: foreground = 0 bits, background = 1 bits */
 611     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 612     DeleteObject( hbm );
 613     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
 614       /* only keep the foreground bits where pattern is 1 */
 615     DeleteObject( SelectObject( hdcMem,hBr) );
 616     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
 617       /* keep the background of the dest */
 618     DeleteDC( hdcMem);
 619     DeleteObject( hbmMem );
 620 }
 621
 622
 623 /**********************************************************************
 624  *       Check Box & Radio Button Functions
 625  */
 626
 627 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 628 {
 629     RECT rbox, rtext, client;
 630     HBRUSH hBrush;
 631     int textlen, delta;
 632     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 633
 634     /*
 635      * if the button has a bitmap/icon, draw a normal pushbutton
 636      * instead of a radion button.
 637      */
 638     if (infoPtr->hImage!=NULL)
 639     {
 640         BOOL bHighLighted = ((infoPtr->state & BUTTON_HIGHLIGHTED) ||
 641                              (infoPtr->state & BUTTON_CHECKED));
 642
 643         BUTTON_DrawPushButton(wndPtr,
 644                               hDC,
 645                               action,
 646                               bHighLighted);
 647         return;
 648     }
 649
 650     textlen = 0;
 651     GetClientRect(wndPtr->hwndSelf, &client);
 652     rbox = rtext = client;
 653
 654     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 655
 656     /* Something is still not right, checkboxes (and edit controls)
 657      * in wsping32 have white backgrounds instead of dark grey.
 658      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 659      * particular case and the background is not painted at all.
 660      */
 661
 662     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 663
 664     if (wndPtr->dwStyle & BS_LEFTTEXT)
 665     {
 666         /* magic +4 is what CTL3D expects */
 667
 668         rtext.right -= checkBoxWidth + 4;
 669         rbox.left = rbox.right - checkBoxWidth;
 670     }
 671     else
 672     {
 673         rtext.left += checkBoxWidth + 4;
 674         rbox.right = checkBoxWidth;
 675     }
 676
 677       /* Draw the check-box bitmap */
 678
 679     if (wndPtr->text) textlen = strlen( wndPtr->text );
 680     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 681     {
 682         if( TWEAK_WineLook == WIN31_LOOK )
 683         {
 684         HDC hMemDC = CreateCompatibleDC( hDC );
 685         int x = 0, y = 0;
 686         delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
 687
 688         /* Check in case the client area is smaller than the checkbox bitmap */
 689         if (delta < 0) delta = 0;
 690
 691         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 692         else FillRect( hDC, &client, hBrush );
 693
 694         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 695         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 696         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 697             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 698         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 699
 700         /* The bitmap for the radio button is not aligned with the
 701          * left of the window, it is 1 pixel off. */
 702         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 703             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 704           rbox.left += 1;
 705
 706         SelectObject( hMemDC, hbitmapCheckBoxes );
 707         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 708                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 709         DeleteDC( hMemDC );
 710         }
 711         else
 712         {
 713             UINT state;
 714
 715             if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 716                 ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO;
 717             else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE;
 718             else state = DFCS_BUTTONCHECK;
 719
 720             if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED;
 721
 722             if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED;
 723
 724             if (wndPtr->dwStyle & WS_DISABLED) state |= DFCS_INACTIVE;
 725
 726             DrawFrameControl( hDC, &rbox, DFC_BUTTON, state );
 727         }
 728
 729
 730         if( textlen && action != ODA_SELECT )
 731         {
 732           if (wndPtr->dwStyle & WS_DISABLED &&
 733               GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
 734             /* don't write gray text on gray background */
 735             PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
 736                              DT_VCENTER);
 737           } else {
 738             if (wndPtr->dwStyle & WS_DISABLED)
 739                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 740             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 741                          DT_SINGLELINE | DT_VCENTER );
 742           }
 743         }
 744     }
 745
 746     if ((action == ODA_FOCUS) ||
 747         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 748     {
 749         /* again, this is what CTL3D expects */
 750
 751         SetRectEmpty(&rbox);
 752         if( textlen )
 753             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 754                          DT_SINGLELINE | DT_CALCRECT );
 755         textlen = rbox.bottom - rbox.top;
 756         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 757         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 758         textlen = rbox.right - rbox.left;
 759         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 760         IntersectRect(&rbox, &rbox, &rtext);
 761         DrawFocusRect( hDC, &rbox );
 762     }
 763 }
 764
 765
 766 /**********************************************************************
 767  *       BUTTON_CheckAutoRadioButton
 768  *
 769  * wndPtr is checked, uncheck every other auto radio button in group
 770  */
 771 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 772 {
 773     HWND parent, sibling, start;
 774     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 775     parent = wndPtr->parent->hwndSelf;
 776     /* assure that starting control is not disabled or invisible */
 777     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 778     do
 779     {
 780         WND *tmpWnd;
 781         if (!sibling) break;
 782         tmpWnd = WIN_FindWndPtr(sibling);
 783         if ((wndPtr->hwndSelf != sibling) &&
 784             ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 785             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 786         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 787         WIN_ReleaseWndPtr(tmpWnd);
 788     } while (sibling != start);
 789 }
 790
 791
 792 /**********************************************************************
 793  *       Group Box Functions
 794  */
 795
 796 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 797 {
 798     RECT rc, rcFrame;
 799     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 800
 801     if (action != ODA_DRAWENTIRE) return;
 802
 803     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 804
 805     GetClientRect( wndPtr->hwndSelf, &rc);
 806     if (TWEAK_WineLook == WIN31_LOOK) {
 807         HPEN hPrevPen = SelectObject( hDC,
 808                                           GetSysColorPen(COLOR_WINDOWFRAME));
 809         HBRUSH hPrevBrush = SelectObject( hDC,
 810                                               GetStockObject(NULL_BRUSH) );
 811
 812         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 813         SelectObject( hDC, hPrevBrush );
 814         SelectObject( hDC, hPrevPen );
 815     } else {
 816         TEXTMETRICA tm;
 817         rcFrame = rc;
 818
 819         if (infoPtr->hFont)
 820             SelectObject (hDC, infoPtr->hFont);
 821         GetTextMetricsA (hDC, &tm);
 822         rcFrame.top += (tm.tmHeight / 2) - 1;
 823         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 824     }
 825
 826     if (wndPtr->text)
 827     {
 828         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 829         if (wndPtr->dwStyle & WS_DISABLED)
 830             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 831         rc.left += 10;
 832         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 833     }
 834 }
 835
 836
 837 /**********************************************************************
 838  *       User Button Functions
 839  */
 840
 841 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 842 {
 843     RECT rc;
 844     HBRUSH hBrush;
 845     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 846
 847     if (action == ODA_SELECT) return;
 848
 849     GetClientRect( wndPtr->hwndSelf, &rc);
 850
 851     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 852     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 853
 854     FillRect( hDC, &rc, hBrush );
 855     if ((action == ODA_FOCUS) ||
 856         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 857         DrawFocusRect( hDC, &rc );
 858 }
 859
 860
 861 /**********************************************************************
 862  *       Ownerdrawn Button Functions
 863  */
 864
 865 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 866 {
 867     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 868     DRAWITEMSTRUCT dis;
 869
 870     dis.CtlType    = ODT_BUTTON;
 871     dis.CtlID      = wndPtr->wIDmenu;
 872     dis.itemID     = 0;
 873     dis.itemAction = action;
 874     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 875                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 876                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 877     dis.hwndItem   = wndPtr->hwndSelf;
 878     dis.hDC        = hDC;
 879     dis.itemData   = 0;
 880     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 881
 882     SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
 883     FillRect( hDC,  &dis.rcItem, GetSysColorBrush( COLOR_BTNFACE ) );
 884
 885     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 886                     wndPtr->wIDmenu, (LPARAM)&dis );
 887 }
 888