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 = 0;
 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_KEYDOWN:
 140         if (wParam == VK_SPACE)
 141         {
 142             SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 143             infoPtr->state |= BUTTON_BTNPRESSED;
 144         }
 145         break;
 146
 147     case WM_LBUTTONDBLCLK:
 148         if(wndPtr->dwStyle & BS_NOTIFY ||
 149                 style==BS_RADIOBUTTON ||
 150                 style==BS_USERBUTTON ||
 151                 style==BS_OWNERDRAW) {
 152             SendMessageA( GetParent(hWnd), WM_COMMAND,
 153                     MAKEWPARAM( wndPtr->wIDmenu, BN_DOUBLECLICKED ), hWnd);
 154             break;
 155         }
 156         /* fall through */
 157     case WM_LBUTTONDOWN:
 158         SetCapture( hWnd );
 159         SetFocus( hWnd );
 160         SendMessageA( hWnd, BM_SETSTATE, TRUE, 0 );
 161         infoPtr->state |= BUTTON_BTNPRESSED;
 162         break;
 163
 164     case WM_KEYUP:
 165         if (wParam != VK_SPACE)
 166             break;
 167         /* fall through */
 168     case WM_LBUTTONUP:
 169         if (!(infoPtr->state & BUTTON_BTNPRESSED)) break;
 170         infoPtr->state &= BUTTON_NSTATES;
 171         if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) {
 172             ReleaseCapture();
 173             break;
 174         }
 175         SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 176         ReleaseCapture();
 177         GetClientRect( hWnd, &rect );
 178         if (uMsg == WM_KEYUP || PtInRect( &rect, pt ))
 179         {
 180             switch(style)
 181             {
 182             case BS_AUTOCHECKBOX:
 183                 SendMessageA( hWnd, BM_SETCHECK,
 184                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 185                 break;
 186             case BS_AUTORADIOBUTTON:
 187                 SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 188                 break;
 189             case BS_AUTO3STATE:
 190                 SendMessageA( hWnd, BM_SETCHECK,
 191                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 192                                 ((infoPtr->state & 3) + 1), 0 );
 193                 break;
 194             }
 195             SendMessageA( GetParent(hWnd), WM_COMMAND,
 196                             MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 197         }
 198         break;
 199
 200     case WM_CAPTURECHANGED:
 201         if (infoPtr->state & BUTTON_BTNPRESSED) {
 202             infoPtr->state &= BUTTON_NSTATES;
 203             if (infoPtr->state & BUTTON_HIGHLIGHTED)
 204                 SendMessageA( hWnd, BM_SETSTATE, FALSE, 0 );
 205         }
 206         break;
 207
 208     case WM_MOUSEMOVE:
 209         if (GetCapture() == hWnd)
 210         {
 211             GetClientRect( hWnd, &rect );
 212             SendMessageA( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 213         }
 214         break;
 215
 216     case WM_NCHITTEST:
 217         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 218         return DefWindowProcA( hWnd, uMsg, wParam, lParam );
 219
 220     case WM_SETTEXT:
 221         DEFWND_SetText( wndPtr, (LPCSTR)lParam );
 222         if( wndPtr->dwStyle & WS_VISIBLE )
 223             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 224         return 0;
 225
 226     case WM_SETFONT:
 227         infoPtr->hFont = (HFONT16)wParam;
 228         if (lParam && (wndPtr->dwStyle & WS_VISIBLE))
 229             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 230         break;
 231
 232     case WM_GETFONT:
 233         return infoPtr->hFont;
 234
 235     case WM_SETFOCUS:
 236         if ((style == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
 237             !(SendMessageA(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
 238         {
 239             /* The notification is sent when the button (BS_AUTORADIOBUTTON)
 240                is unckecked and the focus was not given by a mouse click. */
 241             SendMessageA( hWnd, BM_SETCHECK, TRUE, 0 );
 242             SendMessageA( GetParent(hWnd), WM_COMMAND,
 243                           MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 244         }
 245         infoPtr->state |= BUTTON_HASFOCUS;
 246         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 247         break;
 248
 249     case WM_KILLFOCUS:
 250         infoPtr->state &= ~BUTTON_HASFOCUS;
 251         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 252         InvalidateRect( hWnd, NULL, TRUE );
 253         break;
 254
 255     case WM_SYSCOLORCHANGE:
 256         InvalidateRect( hWnd, NULL, FALSE );
 257         break;
 258
 259     case BM_SETSTYLE16:
 260     case BM_SETSTYLE:
 261         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 262         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 263                            | (wParam & 0x0000000f);
 264         style = wndPtr->dwStyle & 0x0000000f;
 265         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 266         break;
 267
 268     case BM_CLICK:
 269         SendMessageA( hWnd, WM_LBUTTONDOWN, 0, 0 );
 270         SendMessageA( hWnd, WM_LBUTTONUP, 0, 0 );
 271         break;
 272
 273     case BM_SETIMAGE:
 274         oldHbitmap = infoPtr->hImage;
 275         if ((wndPtr->dwStyle & BS_BITMAP) || (wndPtr->dwStyle & BS_ICON))
 276             infoPtr->hImage = (HANDLE) lParam;
 277         return oldHbitmap;
 278
 279     case BM_GETIMAGE:
 280         if (wParam == IMAGE_BITMAP)
 281             return (HBITMAP)infoPtr->hImage;
 282         else if (wParam == IMAGE_ICON)
 283             return (HICON)infoPtr->hImage;
 284         else
 285             return (HICON)0;
 286
 287     case BM_GETCHECK16:
 288     case BM_GETCHECK:
 289         return infoPtr->state & 3;
 290
 291     case BM_SETCHECK16:
 292     case BM_SETCHECK:
 293         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 294         if ((infoPtr->state & 3) != wParam)
 295         {
 296             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 297             {
 298                 if (wParam)
 299                     wndPtr->dwStyle |= WS_TABSTOP;
 300                 else
 301                     wndPtr->dwStyle &= ~WS_TABSTOP;
 302             }
 303             infoPtr->state = (infoPtr->state & ~3) | wParam;
 304             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 305         }
 306         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 307             BUTTON_CheckAutoRadioButton( wndPtr );
 308         break;
 309
 310     case BM_GETSTATE16:
 311     case BM_GETSTATE:
 312         return infoPtr->state;
 313
 314     case BM_SETSTATE16:
 315     case BM_SETSTATE:
 316         if (wParam)
 317         {
 318             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 319             infoPtr->state |= BUTTON_HIGHLIGHTED;
 320         }
 321         else
 322         {
 323             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 324             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 325         }
 326         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 327         break;
 328
 329     default:
 330         return DefWindowProcA(hWnd, uMsg, wParam, lParam);
 331     }
 332     return 0;
 333 }
 334
 335 /***********************************************************************
 336  *           ButtonWndProc
 337  * The button window procedure. This is just a wrapper which locks
 338  * the passed HWND and calls the real window procedure (with a WND*
 339  * pointer pointing to the locked windowstructure).
 340  */
 341 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
 342                               WPARAM wParam, LPARAM lParam )
 343 {
 344     LRESULT res;
 345     WND *wndPtr = WIN_FindWndPtr(hWnd);
 346
 347     res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam);
 348
 349     WIN_ReleaseWndPtr(wndPtr);
 350     return res;
 351 }
 352
 353 /**********************************************************************
 354  *       Push Button Functions
 355  */
 356 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 357 {
 358     BUTTONINFO *infoPtr      = (BUTTONINFO *)wndPtr->wExtra;
 359     BOOL        bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
 360
 361     /*
 362      * Delegate this to the more generic pushbutton painting
 363      * method.
 364      */
 365     BUTTON_DrawPushButton(wndPtr,
 366                           hDC,
 367                           action,
 368                           bHighLighted);
 369 }
 370
 371 /**********************************************************************
 372  * This method will actually do the drawing of the pushbutton
 373  * depending on it's state and the pushedState parameter.
 374  */
 375 static void BUTTON_DrawPushButton(
 376   WND* wndPtr,
 377   HDC  hDC,
 378   WORD action,
 379   BOOL pushedState )
 380 {
 381     RECT rc, focus_rect;
 382     HPEN hOldPen;
 383     HBRUSH hOldBrush;
 384     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 385     int xBorderOffset, yBorderOffset;
 386     xBorderOffset = yBorderOffset = 0;
 387
 388     GetClientRect( wndPtr->hwndSelf, &rc );
 389
 390       /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 391     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 392     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 393     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 394     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 395     SetBkMode(hDC, TRANSPARENT);
 396
 397     if ( TWEAK_WineLook == WIN31_LOOK)
 398     {
 399         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 400
 401         SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) );
 402         SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) );
 403         SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) );
 404         SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW));
 405         InflateRect( &rc, -1, -1 );
 406     }
 407
 408     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 409     {
 410         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 411         InflateRect( &rc, -1, -1 );
 412     }
 413
 414     if (TWEAK_WineLook == WIN31_LOOK)
 415     {
 416         if (pushedState)
 417         {
 418             /* draw button shadow: */
 419             SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 420             PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 421             PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 422             rc.left += 2;  /* To position the text down and right */
 423             rc.top  += 2;
 424         } else {
 425            rc.right++, rc.bottom++;
 426            DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 427
 428            /* To place de bitmap correctly */
 429            xBorderOffset += GetSystemMetrics(SM_CXEDGE);
 430            yBorderOffset += GetSystemMetrics(SM_CYEDGE);
 431
 432            rc.right--, rc.bottom--;
 433         }
 434     }
 435     else
 436     {
 437         UINT uState = DFCS_BUTTONPUSH;
 438
 439         if (pushedState)
 440         {
 441             if ( (wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON )
 442                 uState |= DFCS_FLAT;
 443             else
 444                 uState |= DFCS_PUSHED;
 445         }
 446
 447         DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
 448         InflateRect( &rc, -2, -2 );
 449
 450         focus_rect = rc;
 451
 452         if (pushedState)
 453         {
 454             rc.left += 2;  /* To position the text down and right */
 455             rc.top  += 2;
 456         }
 457     }
 458
 459     /* draw button label, if any:
 460      *
 461      * In win9x we don't show text if there is a bitmap or icon.
 462      * I don't know about win31 so I leave it as it was for win31.
 463      * Dennis Björklund 12 Jul, 99
 464      */
 465     if ( wndPtr->text && wndPtr->text[0]
 466          && (TWEAK_WineLook == WIN31_LOOK || !(wndPtr->dwStyle & (BS_ICON|BS_BITMAP))) )
 467     {
 468         LOGBRUSH lb;
 469         GetObjectA( GetSysColorBrush(COLOR_BTNFACE), sizeof(lb), &lb );
 470         if (wndPtr->dwStyle & WS_DISABLED &&
 471             GetSysColor(COLOR_GRAYTEXT)==lb.lbColor)
 472             /* don't write gray text on gray background */
 473             PaintGrayOnGray( hDC,infoPtr->hFont,&rc,wndPtr->text,
 474                                DT_CENTER | DT_VCENTER );
 475         else
 476         {
 477             SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
 478                                  GetSysColor(COLOR_GRAYTEXT) :
 479                                  GetSysColor(COLOR_BTNTEXT) );
 480             DrawTextA( hDC, wndPtr->text, -1, &rc,
 481                          DT_SINGLELINE | DT_CENTER | DT_VCENTER );
 482             /* do we have the focus?
 483              * Win9x draws focus last with a size prop. to the button
 484              */
 485             if (TWEAK_WineLook == WIN31_LOOK
 486                 && infoPtr->state & BUTTON_HASFOCUS)
 487             {
 488                 RECT r = { 0, 0, 0, 0 };
 489                 INT xdelta, ydelta;
 490
 491                 DrawTextA( hDC, wndPtr->text, -1, &r,
 492                              DT_SINGLELINE | DT_CALCRECT );
 493                 xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
 494                 ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
 495                 if (xdelta < 0) xdelta = 0;
 496                 if (ydelta < 0) ydelta = 0;
 497                 InflateRect( &rc, -xdelta, -ydelta );
 498                 DrawFocusRect( hDC, &rc );
 499             }
 500         }
 501     }
 502     if ( ((wndPtr->dwStyle & BS_ICON) || (wndPtr->dwStyle & BS_BITMAP) ) &&
 503          (infoPtr->hImage != 0) )
 504     {
 505         int yOffset, xOffset;
 506         int imageWidth, imageHeight;
 507
 508         /*
 509          * We extract the size of the image from the handle.
 510          */
 511         if (wndPtr->dwStyle & BS_ICON)
 512         {
 513             ICONINFO iconInfo;
 514             BITMAP   bm;
 515
 516             GetIconInfo((HICON)infoPtr->hImage, &iconInfo);
 517             GetObjectA (iconInfo.hbmColor, sizeof(BITMAP), &bm);
 518
 519             imageWidth  = bm.bmWidth;
 520             imageHeight = bm.bmHeight;
 521
 522             DeleteObject(iconInfo.hbmColor);
 523             DeleteObject(iconInfo.hbmMask);
 524
 525         }
 526         else
 527         {
 528             BITMAP   bm;
 529
 530             GetObjectA (infoPtr->hImage, sizeof(BITMAP), &bm);
 531
 532             imageWidth  = bm.bmWidth;
 533             imageHeight = bm.bmHeight;
 534         }
 535
 536         /* Center the bitmap */
 537         xOffset = (((rc.right - rc.left) - 2*xBorderOffset) - imageWidth ) / 2;
 538         yOffset = (((rc.bottom - rc.top) - 2*yBorderOffset) - imageHeight) / 2;
 539
 540         /* If the image is too big for the button then create a region*/
 541         if(xOffset < 0 || yOffset < 0)
 542         {
 543             HRGN hBitmapRgn = 0;
 544             hBitmapRgn = CreateRectRgn(
 545                 rc.left + xBorderOffset, rc.top +yBorderOffset,
 546                 rc.right - xBorderOffset, rc.bottom - yBorderOffset);
 547             SelectClipRgn(hDC, hBitmapRgn);
 548             DeleteObject(hBitmapRgn);
 549         }
 550
 551         /* Let minimum 1 space from border */
 552         xOffset++, yOffset++;
 553
 554         /*
 555          * Draw the image now.
 556          */
 557         if (wndPtr->dwStyle & BS_ICON)
 558         {
 559             DrawIcon(hDC,
 560                 rc.left + xOffset, rc.top + yOffset,
 561                      (HICON)infoPtr->hImage);
 562         }
 563         else
 564         {
 565             HDC hdcMem;
 566
 567             hdcMem = CreateCompatibleDC (hDC);
 568             SelectObject (hdcMem, (HBITMAP)infoPtr->hImage);
 569             BitBlt(hDC,
 570                    rc.left + xOffset,
 571                    rc.top + yOffset,
 572                    imageWidth, imageHeight,
 573                    hdcMem, 0, 0, SRCCOPY);
 574
 575             DeleteDC (hdcMem);
 576         }
 577
 578         if(xOffset < 0 || yOffset < 0)
 579         {
 580             SelectClipRgn(hDC, 0);
 581         }
 582     }
 583
 584     if (TWEAK_WineLook != WIN31_LOOK
 585         && infoPtr->state & BUTTON_HASFOCUS)
 586     {
 587         InflateRect( &focus_rect, -1, -1 );
 588         DrawFocusRect( hDC, &focus_rect );
 589     }
 590
 591
 592     SelectObject( hDC, hOldPen );
 593     SelectObject( hDC, hOldBrush );
 594 }
 595
 596
 597 /**********************************************************************
 598  *   PB_Paint & CB_Paint sub function                        [internal]
 599  *   Paint text using a raster brush to avoid gray text on gray
 600  *   background. 'format' can be a combination of DT_CENTER and
 601  *   DT_VCENTER to use this function in both PB_PAINT and
 602  *   CB_PAINT.   - Dirk Thierbach
 603  *
 604  *   FIXME: This and TEXT_GrayString should be eventually combined,
 605  *   so calling one common function from PB_Paint, CB_Paint and
 606  *   TEXT_GrayString will be enough. Also note that this
 607  *   function ignores the CACHE_GetPattern funcs.
 608  */
 609
 610 void PaintGrayOnGray(HDC hDC,HFONT hFont,RECT *rc,char *text,
 611                         UINT format)
 612 {
 613 /*  This is the standard gray on gray pattern:
 614     static const WORD Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
 615 */
 616 /*  This pattern gives better readability with X Fonts.
 617     FIXME: Maybe the user should be allowed to decide which he wants. */
 618     static const WORD Pattern[] = {0x55,0xFF,0xAA,0xFF,0x55,0xFF,0xAA,0xFF};
 619
 620     HBITMAP hbm  = CreateBitmap( 8, 8, 1, 1, Pattern );
 621     HDC hdcMem = CreateCompatibleDC(hDC);
 622     HBITMAP hbmMem;
 623     HBRUSH hBr;
 624     RECT rect,rc2;
 625
 626     rect=*rc;
 627     DrawTextA( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT);
 628     /* now text width and height are in rect.right and rect.bottom */
 629     rc2=rect;
 630     rect.left = rect.top = 0; /* drawing pos in hdcMem */
 631     if (format & DT_CENTER) rect.left=(rc->right-rect.right)/2;
 632     if (format & DT_VCENTER) rect.top=(rc->bottom-rect.bottom)/2;
 633     hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom );
 634     SelectObject( hdcMem, hbmMem);
 635     PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
 636       /* will be overwritten by DrawText, but just in case */
 637     if (hFont) SelectObject( hdcMem, hFont);
 638     DrawTextA( hdcMem, text, -1, &rc2, DT_SINGLELINE);
 639       /* After draw: foreground = 0 bits, background = 1 bits */
 640     hBr = SelectObject( hdcMem, CreatePatternBrush(hbm) );
 641     DeleteObject( hbm );
 642     PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xAF0229);
 643       /* only keep the foreground bits where pattern is 1 */
 644     DeleteObject( SelectObject( hdcMem,hBr) );
 645     BitBlt(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,SRCAND);
 646       /* keep the background of the dest */
 647     DeleteDC( hdcMem);
 648     DeleteObject( hbmMem );
 649 }
 650
 651
 652 /**********************************************************************
 653  *       Check Box & Radio Button Functions
 654  */
 655
 656 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 657 {
 658     RECT rbox, rtext, client;
 659     HBRUSH hBrush;
 660     int textlen, delta;
 661     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 662
 663     /*
 664      * if the button has a bitmap/icon, draw a normal pushbutton
 665      * instead of a radion button.
 666      */
 667     if (infoPtr->hImage != 0)
 668     {
 669         BOOL bHighLighted = ((infoPtr->state & BUTTON_HIGHLIGHTED) ||
 670                              (infoPtr->state & BUTTON_CHECKED));
 671
 672         BUTTON_DrawPushButton(wndPtr,
 673                               hDC,
 674                               action,
 675                               bHighLighted);
 676         return;
 677     }
 678
 679     textlen = 0;
 680     GetClientRect(wndPtr->hwndSelf, &client);
 681     rbox = rtext = client;
 682
 683     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 684
 685     /* Something is still not right, checkboxes (and edit controls)
 686      * in wsping32 have white backgrounds instead of dark grey.
 687      * BUTTON_SEND_CTLCOLOR() is even worse since it returns 0 in this
 688      * particular case and the background is not painted at all.
 689      */
 690
 691     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 692
 693     if (wndPtr->dwStyle & BS_LEFTTEXT)
 694     {
 695         /* magic +4 is what CTL3D expects */
 696
 697         rtext.right -= checkBoxWidth + 4;
 698         rbox.left = rbox.right - checkBoxWidth;
 699     }
 700     else
 701     {
 702         rtext.left += checkBoxWidth + 4;
 703         rbox.right = checkBoxWidth;
 704     }
 705
 706       /* Draw the check-box bitmap */
 707
 708     if (wndPtr->text) textlen = strlen( wndPtr->text );
 709     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 710     {
 711         if( TWEAK_WineLook == WIN31_LOOK )
 712         {
 713         HDC hMemDC = CreateCompatibleDC( hDC );
 714         int x = 0, y = 0;
 715         delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
 716
 717         /* Check in case the client area is smaller than the checkbox bitmap */
 718         if (delta < 0) delta = 0;
 719
 720         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 721         else FillRect( hDC, &client, hBrush );
 722
 723         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 724         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 725         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 726             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 727         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 728
 729         /* The bitmap for the radio button is not aligned with the
 730          * left of the window, it is 1 pixel off. */
 731         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 732             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 733           rbox.left += 1;
 734
 735         SelectObject( hMemDC, hbitmapCheckBoxes );
 736         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 737                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 738         DeleteDC( hMemDC );
 739         }
 740         else
 741         {
 742             UINT state;
 743
 744             if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 745                 ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO;
 746             else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE;
 747             else state = DFCS_BUTTONCHECK;
 748
 749             if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED;
 750
 751             if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED;
 752
 753             if (wndPtr->dwStyle & WS_DISABLED) state |= DFCS_INACTIVE;
 754
 755             DrawFrameControl( hDC, &rbox, DFC_BUTTON, state );
 756         }
 757
 758
 759         if( textlen && action != ODA_SELECT )
 760         {
 761           if (wndPtr->dwStyle & WS_DISABLED &&
 762               GetSysColor(COLOR_GRAYTEXT)==GetBkColor(hDC)) {
 763             /* don't write gray text on gray background */
 764             PaintGrayOnGray( hDC, infoPtr->hFont, &rtext, wndPtr->text,
 765                              DT_VCENTER);
 766           } else {
 767             if (wndPtr->dwStyle & WS_DISABLED)
 768                 SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 769             DrawTextA( hDC, wndPtr->text, textlen, &rtext,
 770                          DT_SINGLELINE | DT_VCENTER );
 771           }
 772         }
 773     }
 774
 775     if ((action == ODA_FOCUS) ||
 776         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 777     {
 778         /* again, this is what CTL3D expects */
 779
 780         SetRectEmpty(&rbox);
 781         if( textlen )
 782             DrawTextA( hDC, wndPtr->text, textlen, &rbox,
 783                          DT_SINGLELINE | DT_CALCRECT );
 784         textlen = rbox.bottom - rbox.top;
 785         delta = ((rtext.bottom - rtext.top) - textlen)/2;
 786         rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
 787         textlen = rbox.right - rbox.left;
 788         rbox.right = (rbox.left += --rtext.left) + textlen + 2;
 789         IntersectRect(&rbox, &rbox, &rtext);
 790         DrawFocusRect( hDC, &rbox );
 791     }
 792 }
 793
 794
 795 /**********************************************************************
 796  *       BUTTON_CheckAutoRadioButton
 797  *
 798  * wndPtr is checked, uncheck every other auto radio button in group
 799  */
 800 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 801 {
 802     HWND parent, sibling, start;
 803     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 804     parent = wndPtr->parent->hwndSelf;
 805     /* assure that starting control is not disabled or invisible */
 806     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 807     do
 808     {
 809         WND *tmpWnd;
 810         if (!sibling) break;
 811         tmpWnd = WIN_FindWndPtr(sibling);
 812         if ((wndPtr->hwndSelf != sibling) &&
 813             ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 814             SendMessageA( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 815         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 816         WIN_ReleaseWndPtr(tmpWnd);
 817     } while (sibling != start);
 818 }
 819
 820
 821 /**********************************************************************
 822  *       Group Box Functions
 823  */
 824
 825 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 826 {
 827     RECT rc, rcFrame;
 828     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 829
 830     if (action != ODA_DRAWENTIRE) return;
 831
 832     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 833
 834     GetClientRect( wndPtr->hwndSelf, &rc);
 835     if (TWEAK_WineLook == WIN31_LOOK) {
 836         HPEN hPrevPen = SelectObject( hDC,
 837                                           GetSysColorPen(COLOR_WINDOWFRAME));
 838         HBRUSH hPrevBrush = SelectObject( hDC,
 839                                               GetStockObject(NULL_BRUSH) );
 840
 841         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 842         SelectObject( hDC, hPrevBrush );
 843         SelectObject( hDC, hPrevPen );
 844     } else {
 845         TEXTMETRICA tm;
 846         rcFrame = rc;
 847
 848         if (infoPtr->hFont)
 849             SelectObject (hDC, infoPtr->hFont);
 850         GetTextMetricsA (hDC, &tm);
 851         rcFrame.top += (tm.tmHeight / 2) - 1;
 852         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT);
 853     }
 854
 855     if (wndPtr->text)
 856     {
 857         if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 858         if (wndPtr->dwStyle & WS_DISABLED)
 859             SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
 860         rc.left += 10;
 861         DrawTextA( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
 862     }
 863 }
 864
 865
 866 /**********************************************************************
 867  *       User Button Functions
 868  */
 869
 870 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 871 {
 872     RECT rc;
 873     HBRUSH hBrush;
 874     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 875
 876     if (action == ODA_SELECT) return;
 877
 878     GetClientRect( wndPtr->hwndSelf, &rc);
 879
 880     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 881     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 882
 883     FillRect( hDC, &rc, hBrush );
 884     if ((action == ODA_FOCUS) ||
 885         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 886         DrawFocusRect( hDC, &rc );
 887 }
 888
 889
 890 /**********************************************************************
 891  *       Ownerdrawn Button Functions
 892  */
 893
 894 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 895 {
 896     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 897     DRAWITEMSTRUCT dis;
 898
 899     dis.CtlType    = ODT_BUTTON;
 900     dis.CtlID      = wndPtr->wIDmenu;
 901     dis.itemID     = 0;
 902     dis.itemAction = action;
 903     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 904                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 905                      ((wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0);
 906     dis.hwndItem   = wndPtr->hwndSelf;
 907     dis.hDC        = hDC;
 908     dis.itemData   = 0;
 909     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 910
 911     SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
 912
 913     SendMessageA( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
 914                     wndPtr->wIDmenu, (LPARAM)&dis );
 915 }
 916