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 "windef.h"
  12 #include "wingdi.h"
  13 #include "wine/winuser16.h"
  14 #include "tweak.h"
  15
  16 static void PaintGrayOnGray( HDC hDC,HFONT hFont,RECT *rc,
  17                              char *text, UINT format );
  18
  19 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
  20 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
  21 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
  22 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
  23 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action );
  24 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
  25 static void BUTTON_DrawPushButton( WND *wndPtr, HDC hDC, WORD action, BOOL pushedState);
  26
  27 #define MAX_BTN_TYPE  12
  28
  29 static const WORD maxCheckState[MAX_BTN_TYPE] =
  30 {
  31     BUTTON_UNCHECKED,   /* BS_PUSHBUTTON */
  32     BUTTON_UNCHECKED,   /* BS_DEFPUSHBUTTON */
  33     BUTTON_CHECKED,     /* BS_CHECKBOX */
  34     BUTTON_CHECKED,     /* BS_AUTOCHECKBOX */
  35     BUTTON_CHECKED,     /* BS_RADIOBUTTON */
  36     BUTTON_3STATE,      /* BS_3STATE */
  37     BUTTON_3STATE,      /* BS_AUTO3STATE */
  38     BUTTON_UNCHECKED,   /* BS_GROUPBOX */
  39     BUTTON_UNCHECKED,   /* BS_USERBUTTON */
  40     BUTTON_CHECKED,     /* BS_AUTORADIOBUTTON */
  41     BUTTON_UNCHECKED,   /* Not defined */
  42     BUTTON_UNCHECKED    /* BS_OWNERDRAW */
  43 };
  44
  45 typedef void (*pfPaint)( WND *wndPtr, HDC hdc, WORD action );
  46
  47 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
  48 {
  49     PB_Paint,    /* BS_PUSHBUTTON */
  50     PB_Paint,    /* BS_DEFPUSHBUTTON */
  51     CB_Paint,    /* BS_CHECKBOX */
  52     CB_Paint,    /* BS_AUTOCHECKBOX */
  53     CB_Paint,    /* BS_RADIOBUTTON */
  54     CB_Paint,    /* BS_3STATE */
  55     CB_Paint,    /* BS_AUTO3STATE */
  56     GB_Paint,    /* BS_GROUPBOX */
  57     UB_Paint,    /* BS_USERBUTTON */
  58     CB_Paint,    /* BS_AUTORADIOBUTTON */
  59     NULL,        /* Not defined */
  60     OB_Paint     /* BS_OWNERDRAW */
  61 };
  62
  63 #define PAINT_BUTTON(wndPtr,style,action) \
  64      if (btnPaintFunc[style]) { \
  65          HDC hdc = GetDC( (wndPtr)->hwndSelf ); \
  66          (btnPaintFunc[style])(wndPtr,hdc,action); \
  67          ReleaseDC( (wndPtr)->hwndSelf, hdc ); }
  68
  69 #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
  70     SendMessageA( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
  71                     (hdc), (wndPtr)->hwndSelf )
  72
  73 static HBITMAP hbitmapCheckBoxes = 0;
  74 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
  75
  76
  77 /***********************************************************************
  78  *           ButtonWndProc_locked
  79  *
  80  * Called with window lock held.
  81  */
  82 static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg,
  83                                            WPARAM wParam, LPARAM lParam )
  84 {
  85     RECT rect;
  86     HWND        hWnd = wndPtr->hwndSelf;
  87     POINT pt;
  88     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  89     LONG style = wndPtr->dwStyle & 0x0f;
  90     HANDLE oldHbitmap;
  91
  92     pt.x = LOWORD(lParam);
  93     pt.y = HIWORD(lParam);
  94
  95     switch (uMsg)
  96     {
  97     case WM_GETDLGCODE:
  98         switch(style)
  99         {
 100         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
 101         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
 102         case BS_RADIOBUTTON:
 103         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
 104         default:                 return DLGC_BUTTON;
 105         }
 106
 107     case WM_ENABLE:
 108         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 109         break;
 110
 111     case WM_CREATE:
 112         if (!hbitmapCheckBoxes)
 113         {
 114             BITMAP bmp;
 115             hbitmapCheckBoxes = LoadBitmapA(0, MAKEINTRESOURCEA(OBM_CHECKBOXES));
 116             GetObjectA( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 117             checkBoxWidth  = bmp.bmWidth / 4;
 118             checkBoxHeight = bmp.bmHeight / 3;
 119         }
 120         if (style < 0L || style >= MAX_BTN_TYPE)
 121             return -1; /* abort */
 122         infoPtr->state = BUTTON_UNCHECKED;
 123         infoPtr->hFont = 0;
 124         infoPtr->hImage = 0;
 125         return 0;
 126
 127     case WM_ERASEBKGND:
 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_KEYDOWN:
 142         if (wParam == VK_SPACE)
 143         {
 144             SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 145             infoPtr->state |= BUTTON_BTNPRESSED;
 146         }
 147         break;
 148
 149     case WM_LBUTTONDBLCLK:
 150         if(wndPtr->dwStyle & BS_NOTIFY ||
 151                 style==BS_RADIOBUTTON ||
 152                 style==BS_USERBUTTON ||
 153                 style==BS_OWNERDRAW) {
 154             SendMessageA( GetParent(hWnd), WM_COMMAND,
 155                     MAKEWPARAM( wndPtr->wIDmenu, BN_DOUBLECLICKED ), hWnd);
 156             break;
 157         }
 158         /* fall through */
 159     case WM_LBUTTONDOWN:
 160         SetCapture( hWnd );
 161         SetFocus( hWnd );
 162         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 163         infoPtr->state |= BUTTON_BTNPRESSED;
 164         break;
 165
 166     case WM_KEYUP:
 167         if (wParam != VK_SPACE)
 168             break;
 169         /* fall through */
 170     case WM_LBUTTONUP:
 171         if (!(infoPtr->state & BUTTON_BTNPRESSED)) break;
 172         infoPtr->state &= BUTTON_NSTATES;
 173         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) {
 174             ReleaseCapture();
 175             break;
 176         }
 177         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 178         ReleaseCapture();
 179         GetClientRect( hWnd, &rect );
 180         if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
 181         {
 182             switch(style)
 183             {
 184             case BS_AUTOCHECKBOX:
 185                 SendMessageA( hWnd, BM_SETCHECK,
 186                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 187                 break;
 188             case BS_AUTORADIOBUTTON:
 189                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 190                 break;
 191             case BS_AUTO3STATE:
 192                 SendMessageA( hWnd, BM_SETCHECK,
 193                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 194                                 ((infoPtr->state & 3) + 1), 0 );
 195                 break;
 196             }
 197             SendMessageA( GetParent(hWnd), WM_COMMAND,
 198                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 199         }
 200         break;
 201
 202     case WM_CAPTURECHANGED:
 203         if (infoPtr->state & BUTTON_BTNPRESSED) {
 204             infoPtr->state &= BUTTON_NSTATES;
 205             if (infoPtr->state & BUTTON_HIGHLIGHTED)
 206                 SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 207         }
 208         break;
 209
 210     case WM_MOUSEMOVE:
 211         if (GetCapture() == hWnd)
 212         {
 213             GetClientRect( hWnd, &rect );
 214             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 215         }
 216         break;
 217
 218     case WM_NCHITTEST:
 219         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 220         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 221
 222     case WM_SETTEXT:
 223         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 224         if( wndPtr->dwStyle & WS_VISIBLE )
 225             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 226         return 0;
 227
 228     case WM_SETFONT:
 229         infoPtr->hFont = (HFONT16)wParam;
 230         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 231             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 232         break;
 233
 234     case WM_GETFONT:
 235         return infoPtr->hFont;
 236
 237     case WM_SETFOCUS:
 238         if ((style == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
 239             !(SendMessageA(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
 240         {
 241             /* The notification is sent when the button (BS_AUTORADIOBUTTON)
 242                is unckecked and the focus was not given by a mouse click. */
 243             SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 244             SendMessageA( GetParent(hWnd), WM_COMMAND,
 245                           MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 246         }
 247         infoPtr->state |= BUTTON_HASFOCUS;
 248         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 249         break;
 250
 251     case WM_KILLFOCUS:
 252         infoPtr->state &= ~BUTTON_HASFOCUS;
 253         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 254         InvalidateRect( hWnd, NULL, TRUE );
 255         break;
 256
 257     case WM_SYSCOLORCHANGE:
 258         InvalidateRect( hWnd, NULL, FALSE );
 259         break;
 260
 261     case BM_SETSTYLE16:
 262     case BM_SETSTYLE:
 263         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 264         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 265                            | (wParam & 0x0000000f);
 266         style = wndPtr->dwStyle & 0x0000000f;
 267         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 268         break;
 269
 270     case BM_CLICK:
 271         SendMessageA( hWnd, WM_LBUTTONDOWN, 0, 0 );
 272         SendMessageA( hWnd, WM_LBUTTONUP, 0, 0 );
 273         break;
 274
 275     case BM_SETIMAGE:
 276         oldHbitmap = infoPtr->hImage;
 277         if ((wndPtr->dwStyle & BS_BITMAP) || (wndPtr->dwStyle & BS_ICON))
 278             infoPtr->hImage = (HANDLE) lParam;
 279         return oldHbitmap;
 280
 281     case BM_GETIMAGE:
 282         if (wParam == IMAGE_BITMAP)
 283             return (HBITMAP)infoPtr->hImage;
 284         else if (wParam == IMAGE_ICON)
 285             return (HICON)infoPtr->hImage;
 286         else
 287             return (HICON)0;
 288
 289     case BM_GETCHECK16:
 290     case BM_GETCHECK:
 291         return infoPtr->state & 3;
 292
 293     case BM_SETCHECK16:
 294     case BM_SETCHECK:
 295         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 296         if ((infoPtr->state & 3) != wParam)
 297         {
 298             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 299             {
 300                 if (wParam)
 301                     wndPtr->dwStyle |= WS_TABSTOP;
 302                 else
 303                     wndPtr->dwStyle &= ~WS_TABSTOP;
 304             }
 305             infoPtr->state = (infoPtr->state & ~3) | wParam;
 306             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 307         }
 308         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 309             BUTTON_CheckAutoRadioButton( wndPtr );
 310         break;
 311
 312     case BM_GETSTATE16:
 313     case BM_GETSTATE:
 314         return infoPtr->state;
 315
 316     case BM_SETSTATE16:
 317     case BM_SETSTATE:
 318         if (wParam)
 319         {
 320             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 321             infoPtr->state |= BUTTON_HIGHLIGHTED;
 322         }
 323         else
 324         {
 325             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 326             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 327         }
 328         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 329         break;
 330
 331     default:
 332         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 333     }
 334     return 0;
 335 }
 336
 337 /***********************************************************************
 338  *           ButtonWndProc
 339  * The button window procedure. This is just a wrapper which locks
 340  * the passed HWND and calls the real window procedure (with a WND*
 341  * pointer pointing to the locked windowstructure).
 342  */
 343 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
 344                               WPARAM wParam, LPARAM lParam )
 345 {
 346     LRESULT res;
 347     WND *wndPtr = WIN_FindWndPtr(hWnd);
 348
 349     res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam);
 350
 351     WIN_ReleaseWndPtr(wndPtr);
 352     return res;
 353 }
 354
 355 /**********************************************************************
 356  *       Push Button Functions
 357  */
 358 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 359 {
 360     BUTTONINFO *infoPtr      = (BUTTONINFO *)wndPtr->wExtra;
 361     BOOL        bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
 362
 363     /*
 364      * Delegate this to the more generic pushbutton painting
 365      * method.
 366      */
 367     BUTTON_DrawPushButton(wndPtr,
 368                           hDC,
 369                           action,
 370                           bHighLighted);
 371 }
 372
 373 /**********************************************************************
 374  * This method will actually do the drawing of the pushbutton
 375  * depending on it's state and the pushedState parameter.
 376  */
 377 static void BUTTON_DrawPushButton(
 378   WND* wndPtr,
 379   HDC  hDC,
 380   WORD action,
 381   BOOL pushedState )
 382 {
 383     RECT rc, focus_rect;
 384     HPEN hOldPen;
 385     HBRUSH hOldBrush;
 386     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 387     int xBorderOffset, yBorderOffset;
 388     xBorderOffset = yBorderOffset = 0;
 389
 390     GetClientRect( wndPtr->hwndSelf, &rc );
 391
 392       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 393     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 394     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 395     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 396     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 397     SetBkMode(hDC, TRANSPARENT);
 398
 399     if ( TWEAK_WineLook == WIN31_LOOK)
 400     {
 401         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 402
 403         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 404         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 405         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 406         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 407         InflateRect( &rc, -1, -1 );
 408     }
 409
 410     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 411     {
 412         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 413         InflateRect( &rc, -1, -1 );
 414     }
 415
 416     if (TWEAK_WineLook == WIN31_LOOK)
 417     {
 418         if (pushedState)
 419         {
 420             /* draw button shadow: */
 421             SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 422             PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 423             PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 424             rc.left += 2;  /* To position the text down and right */
 425             rc.top  += 2;
 426         } else {
 427            rc.right++, rc.bottom++;
 428            DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 429
 430            /* To place de bitmap correctly */
 431            xBorderOffset += GetSystemMetrics(SM_CXEDGE);
 432            yBorderOffset += GetSystemMetrics(SM_CYEDGE);
 433
 434            rc.right--, rc.bottom--;
 435         }
 436     }
 437     else
 438     {
 439         UINT uState = DFCS_BUTTONPUSH;
 440
 441         if (pushedState)
 442         {
 443             if ( (wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON )
 444                 uState |= DFCS_FLAT;
 445             else
 446                 uState |= DFCS_PUSHED;
 447         }
 448
 449         DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
 450         InflateRect( &rc, -2, -2 );
 451
 452         focus_rect = rc;
 453
 454         if (pushedState)
 455         {
 456             rc.left += 2;  /* To position the text down and right */
 457             rc.top  += 2;
 458         }
 459     }
 460
 461     /* draw button label, if any:
 462      *
 463      * In win9x we don't show text if there is a bitmap or icon.
 464      * I don't know about win31 so I leave it as it was for win31.
 465      * Dennis Björklund 12 Jul, 99
 466      */
 467     if ( wndPtr->text && wndPtr->text[0]
 468          && (TWEAK_WineLook == WIN31_LOOK || !(wndPtr->dwStyle & (BS_ICON|BS_BITMAP))) )
 469     {
 470         LOGBRUSH lb;
 471         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 472         if (wndPtr->dwStyle & WS_DISABLED &&
 473             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 474             /* don't write gray text on gray background */
 475             PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
 476                                DT_CENTER | DT_VCENTER );
 477         else
 478         {
 479             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 480                                  GetSysColor(COLOR_GRAYTEXT) :
 481                                  GetSysColor(COLOR_BTNTEXT) );
 482             DrawTextA( hDC, wndPtr->text, -1, &rc,
 483                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 484             /* do we have the focus?
 485              * Win9x draws focus last with a size prop. to the button
 486              */
 487             if (TWEAK_WineLook == WIN31_LOOK
 488                 && infoPtr->state & BUTTON_HASFOCUS)
 489             {
 490                 RECT r = { 0, 0, 0, 0 };
 491                 INT xdelta, ydelta;
 492
 493                 DrawTextA( hDC, wndPtr->text, -1, &r,
 494                              DT_SINGLELINE | DT_CALCRECT );
 495                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 496                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 497                 if (xdelta < 0) xdelta = 0;
 498                 if (ydelta < 0) ydelta = 0;
 499                 InflateRect( &rc, -xdelta, -ydelta );
 500                 DrawFocusRect( hDC, &rc );
 501             }
 502         }
 503     }
 504     if ( ((wndPtr->dwStyle & BS_ICON) || (wndPtr->dwStyle & BS_BITMAP) ) &&
 505          (infoPtr->hImage != 0) )
 506     {
 507         int yOffset, xOffset;
 508         int imageWidth, imageHeight;
 509
 510         /*
 511          * We extract the size of the image from the handle.
 512          */
 513         if (wndPtr->dwStyle & BS_ICON)
 514         {
 515             ICONINFO iconInfo;
 516             BITMAP   bm;
 517
 518             GetIconInfo((HICON)infoPtr->hImage, &iconInfo);
 519             GetObjectA (iconInfo.hbmColor, sizeof(BITMAP), &bm);
 520
 521             imageWidth  = bm.bmWidth;
 522             imageHeight = bm.bmHeight;
 523
 524             DeleteObject(iconInfo.hbmColor);
 525             DeleteObject(iconInfo.hbmMask);
 526
 527         }
 528         else
 529         {
 530             BITMAP   bm;
 531
 532             GetObjectA (infoPtr->hImage, sizeof(BITMAP), &bm);
 533
 534             imageWidth  = bm.bmWidth;
 535             imageHeight = bm.bmHeight;
 536         }
 537
 538         /* Center the bitmap */
 539         xOffset = (((rc.right - rc.left) - 2*xBorderOffset) - imageWidth ) / 2;
 540         yOffset = (((rc.bottom - rc.top) - 2*yBorderOffset) - imageHeight) / 2;
 541
 542         /* If the image is too big for the button then create a region*/
 543         if(xOffset < 0 || yOffset < 0)
 544         {
 545             HRGN hBitmapRgn = 0;
 546             hBitmapRgn = CreateRectRgn(
 547                 rc.left + xBorderOffset, rc.top +yBorderOffset,
 548                 rc.right - xBorderOffset, rc.bottom - yBorderOffset);
 549             SelectClipRgn(hDC, hBitmapRgn);
 550             DeleteObject(hBitmapRgn);
 551         }
 552
 553         /* Let minimum 1 space from border */
 554         xOffset++, yOffset++;
 555
 556         /*
 557          * Draw the image now.
 558          */
 559         if (wndPtr->dwStyle & BS_ICON)
 560         {
 561             DrawIcon(hDC,
 562                 rc.left + xOffset, rc.top + yOffset,
 563                      (HICON)infoPtr->hImage);
 564         }
 565         else
 566         {
 567             HDC hdcMem;
 568
 569             hdcMem = CreateCompatibleDC (hDC);
 570             SelectObject (hdcMem, (HBITMAP)infoPtr->hImage);
 571             BitBlt(hDC,
 572                    rc.left + xOffset,
 573                    rc.top + yOffset,
 574                    imageWidth, imageHeight,
 575                    hdcMem, 0, 0, SRCCOPY);
 576
 577             DeleteDC (hdcMem);
 578         }
 579
 580         if(xOffset < 0 || yOffset < 0)
 581         {
 582             SelectClipRgn(hDC, 0);
 583         }
 584     }
 585
 586     if (TWEAK_WineLook != WIN31_LOOK
 587         && infoPtr->state & BUTTON_HASFOCUS)
 588     {
 589         InflateRect( &focus_rect, -1, -1 );
 590         DrawFocusRect( hDC, &focus_rect );
 591     }
 592
 593
 594     SelectObject( hDC, hOldPen );
 595     SelectObject( hDC, hOldBrush );
 596 }
 597
 598
 599 /**********************************************************************
 600  *   PB_Paint & CB_Paint sub function                        [internal]
 601  *   Paint text using a raster brush to avoid gray text on gray
 602  *   background. 'format' can be a combination of DT_CENTER and
 603  *   DT_VCENTER to use this function in both PB_PAINT and
 604  *   CB_PAINT.   - Dirk Thierbach
 605  *
 606  *   FIXME: This and TEXT_GrayString should be eventually combined,
 607  *   so calling one common function from PB_Paint, CB_Paint and
 608  *   TEXT_GrayString will be enough. Also note that this
 609  *   function ignores the CACHE_GetPattern funcs.
 610  */
 611
 612 void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
 613                         UINT format)
 614 {
 615 /*  This is the standard gray on gray pattern:
 616     static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 617 */
 618 /*  This pattern gives better readability with X Fonts.
 619     FIXME: Maybe the user should be allowed to decide which he wants. */
 620     static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
 621
 622     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 623     HDC hdcMem = CreateCompatibleDC(hDC);
 624     HBITMAP hbmMem;
 625     HBRUSH hBr;
 626     RECT rect,rc2;
 627
 628     rect=*rc;
 629     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 630     /* now text width and height are in rect.right and rect.bottom */
 631     rc2=rect;
 632     rect.left = rect.top = 0; /* drawing pos in hdcMem */
 633     if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
 634     if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
 635     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 636     SelectObject( hdcMem, hbmMem);
 637     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 638       /* will be overwritten by DrawText, but just in case */
 639     if (hFont) SelectObject( hdcMem, hFont);
 640     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 641       /* After draw: foreground = 0 bits, background = 1 bits */
 642     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 643     DeleteObject( hbm );
 644     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
 645       /* only keep the foreground bits where pattern is 1 */
 646     DeleteObject( SelectObject( hdcMem,hBr) );
 647     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
 648       /* keep the background of the dest */
 649     DeleteDC( hdcMem);
 650     DeleteObject( hbmMem );
 651 }
 652
 653
 654 /**********************************************************************
 655  *       Check Box & Radio Button Functions
 656  */
 657
 658 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 659 {
 660     RECT rbox, rtext, client;
 661     HBRUSH hBrush;
 662     int textlen, delta;
 663     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 664
 665     /*
 666      * if the button has a bitmap/icon, draw a normal pushbutton
 667      * instead of a radion button.
 668      */
 669     if (infoPtr->hImage != 0)
 670     {
 671         BOOL bHighLighted = ((infoPtr->state & BUTTON_HIGHLIGHTED) ||
 672                              (infoPtr->state & BUTTON_CHECKED));
 673
 674         BUTTON_DrawPushButton(wndPtr,
 675                               hDC,
 676                               action,
 677                               bHighLighted);
 678         return;
 679     }
 680
 681     textlen = 0;
 682     GetClientRect(wndPtr->hwndSelf, &client);
 683     rbox = rtext = client;
 684
 685     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 686
 687     /* Something is still not right, checkboxes (and edit controls)
 688      * in wsping32 have white backgrounds instead of dark grey.
 689      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 690      * particular case and the background is not painted at all.
 691      */
 692
 693     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 694
 695     if (wndPtr->dwStyle & BS_LEFTTEXT)
 696     {
 697         /* magic +4 is what CTL3D expects */
 698
 699         rtext.right -= checkBoxWidth + 4;
 700         rbox.left = rbox.right - checkBoxWidth;
 701     }
 702     else
 703     {
 704         rtext.left += checkBoxWidth + 4;
 705         rbox.right = checkBoxWidth;
 706     }
 707
 708       /* Draw the check-box bitmap */
 709
 710     if (wndPtr->text) textlen = strlen( wndPtr->text );
 711     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 712     {
 713         if( TWEAK_WineLook == WIN31_LOOK )
 714         {
 715         HDC hMemDC = CreateCompatibleDC( hDC );
 716         int x = 0, y = 0;
 717         delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
 718
 719         /* Check in case the client area is smaller than the checkbox bitmap */
 720         if (delta < 0) delta = 0;
 721
 722         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 723         else FillRect( hDC, &client, hBrush );
 724
 725         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 726         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 727         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 728             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 729         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 730
 731         /* The bitmap for the radio button is not aligned with the
 732          * left of the window, it is 1 pixel off. */
 733         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 734             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 735           rbox.left += 1;
 736
 737         SelectObject( hMemDC, hbitmapCheckBoxes );
 738         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 739                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 740         DeleteDC( hMemDC );
 741         }
 742         else
 743         {
 744             UINT state;
 745
 746             if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 747                 ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO;
 748             else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE;
 749             else state = DFCS_BUTTONCHECK;
 750
 751             if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED;
 752
 753             if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED;
 754
 755             if (wndPtr->dwStyle & WS_DISABLED) state |= DFCS_INACTIVE;
 756
 757             DrawFrameControl( hDC, &rbox, DFC_BUTTON, state );
 758         }
 759
 760
 761         if( textlen && action != ODA_SELECT )
 762         {
 763           if (wndPtr->dwStyle & WS_DISABLED &&
 764               GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
 765             /* don't write gray text on gray background */
 766             PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
 767                              DT_VCENTER);
 768           } else {
 769             if (wndPtr->dwStyle & WS_DISABLED)
 770                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 771             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 772                          DT_SINGLELINE | DT_VCENTER );
 773           }
 774         }
 775     }
 776
 777     if ((action == ODA_FOCUS) ||
 778         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 779     {
 780         /* again, this is what CTL3D expects */
 781
 782         SetRectEmpty(&rbox);
 783         if( textlen )
 784             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 785                          DT_SINGLELINE | DT_CALCRECT );
 786         textlen = rbox.bottom - rbox.top;
 787         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 788         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 789         textlen = rbox.right - rbox.left;
 790         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 791         IntersectRect(&rbox, &rbox, &rtext);
 792         DrawFocusRect( hDC, &rbox );
 793     }
 794 }
 795
 796
 797 /**********************************************************************
 798  *       BUTTON_CheckAutoRadioButton
 799  *
 800  * wndPtr is checked, uncheck every other auto radio button in group
 801  */
 802 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 803 {
 804     HWND parent, sibling, start;
 805     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 806     parent = wndPtr->parent->hwndSelf;
 807     /* assure that starting control is not disabled or invisible */
 808     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 809     do
 810     {
 811         WND *tmpWnd;
 812         if (!sibling) break;
 813         tmpWnd = WIN_FindWndPtr(sibling);
 814         if ((wndPtr->hwndSelf != sibling) &&
 815             ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 816             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 817         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 818         WIN_ReleaseWndPtr(tmpWnd);
 819     } while (sibling != start);
 820 }
 821
 822
 823 /**********************************************************************
 824  *       Group Box Functions
 825  */
 826
 827 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 828 {
 829     RECT rc, rcFrame;
 830     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 831
 832     if (action != ODA_DRAWENTIRE) return;
 833
 834     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 835
 836     GetClientRect( wndPtr->hwndSelf, &rc);
 837     if (TWEAK_WineLook == WIN31_LOOK) {
 838         HPEN hPrevPen = SelectObject( hDC,
 839                                           GetSysColorPen(COLOR_WINDOWFRAME));
 840         HBRUSH hPrevBrush = SelectObject( hDC,
 841                                               GetStockObject(NULL_BRUSH) );
 842
 843         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 844         SelectObject( hDC, hPrevBrush );
 845         SelectObject( hDC, hPrevPen );
 846     } else {
 847         TEXTMETRICA tm;
 848         rcFrame = rc;
 849
 850         if (infoPtr->hFont)
 851             SelectObject (hDC, infoPtr->hFont);
 852         GetTextMetricsA (hDC, &tm);
 853         rcFrame.top += (tm.tmHeight / 2) - 1;
 854         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 855     }
 856
 857     if (wndPtr->text)
 858     {
 859         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 860         if (wndPtr->dwStyle & WS_DISABLED)
 861             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 862         rc.left += 10;
 863         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 864     }
 865 }
 866
 867
 868 /**********************************************************************
 869  *       User Button Functions
 870  */
 871
 872 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 873 {
 874     RECT rc;
 875     HBRUSH hBrush;
 876     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 877
 878     if (action == ODA_SELECT) return;
 879
 880     GetClientRect( wndPtr->hwndSelf, &rc);
 881
 882     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 883     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 884
 885     FillRect( hDC, &rc, hBrush );
 886     if ((action == ODA_FOCUS) ||
 887         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 888         DrawFocusRect( hDC, &rc );
 889 }
 890
 891
 892 /**********************************************************************
 893  *       Ownerdrawn Button Functions
 894  */
 895
 896 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 897 {
 898     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 899     DRAWITEMSTRUCT dis;
 900
 901     dis.CtlType    = ODT_BUTTON;
 902     dis.CtlID      = wndPtr->wIDmenu;
 903     dis.itemID     = 0;
 904     dis.itemAction = action;
 905     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 906                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 907                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 908     dis.hwndItem   = wndPtr->hwndSelf;
 909     dis.hDC        = hDC;
 910     dis.itemData   = 0;
 911     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 912
 913     SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
 914
 915     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 916                     wndPtr->wIDmenu, (LPARAM)&dis );
 917 }
 918