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 <stdlib.h>     /* for abs() */
  10 #include "win.h"
  11 #include "button.h"
  12 #include "winbase.h"
  13 #include "windef.h"
  14 #include "wingdi.h"
  15 #include "wine/winuser16.h"
  16 #include "tweak.h"
  17
  18 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
  19 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action );
  20 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action );
  21 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action );
  22 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action );
  23 static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
  24 static void BUTTON_DrawPushButton( WND *wndPtr, HDC hDC, WORD action, BOOL pushedState);
  25
  26 #define MAX_BTN_TYPE  12
  27
  28 static const WORD maxCheckState[MAX_BTN_TYPE] =
  29 {
  30     BUTTON_UNCHECKED,   /* BS_PUSHBUTTON */
  31     BUTTON_UNCHECKED,   /* BS_DEFPUSHBUTTON */
  32     BUTTON_CHECKED,     /* BS_CHECKBOX */
  33     BUTTON_CHECKED,     /* BS_AUTOCHECKBOX */
  34     BUTTON_CHECKED,     /* BS_RADIOBUTTON */
  35     BUTTON_3STATE,      /* BS_3STATE */
  36     BUTTON_3STATE,      /* BS_AUTO3STATE */
  37     BUTTON_UNCHECKED,   /* BS_GROUPBOX */
  38     BUTTON_UNCHECKED,   /* BS_USERBUTTON */
  39     BUTTON_CHECKED,     /* BS_AUTORADIOBUTTON */
  40     BUTTON_UNCHECKED,   /* Not defined */
  41     BUTTON_UNCHECKED    /* BS_OWNERDRAW */
  42 };
  43
  44 typedef void (*pfPaint)( WND *wndPtr, HDC hdc, WORD action );
  45
  46 static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
  47 {
  48     PB_Paint,    /* BS_PUSHBUTTON */
  49     PB_Paint,    /* BS_DEFPUSHBUTTON */
  50     CB_Paint,    /* BS_CHECKBOX */
  51     CB_Paint,    /* BS_AUTOCHECKBOX */
  52     CB_Paint,    /* BS_RADIOBUTTON */
  53     CB_Paint,    /* BS_3STATE */
  54     CB_Paint,    /* BS_AUTO3STATE */
  55     GB_Paint,    /* BS_GROUPBOX */
  56     UB_Paint,    /* BS_USERBUTTON */
  57     CB_Paint,    /* BS_AUTORADIOBUTTON */
  58     NULL,        /* Not defined */
  59     OB_Paint     /* BS_OWNERDRAW */
  60 };
  61
  62 #define PAINT_BUTTON(wndPtr,style,action) \
  63      if (btnPaintFunc[style]) { \
  64          HDC hdc = GetDC( (wndPtr)->hwndSelf ); \
  65          (btnPaintFunc[style])(wndPtr,hdc,action); \
  66          ReleaseDC( (wndPtr)->hwndSelf, hdc ); }
  67
  68 #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
  69     SendMessageW( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
  70                     (hdc), (wndPtr)->hwndSelf )
  71
  72 static HBITMAP hbitmapCheckBoxes = 0;
  73 static WORD checkBoxWidth = 0, checkBoxHeight = 0;
  74
  75
  76 /***********************************************************************
  77  *           ButtonWndProc_locked
  78  *
  79  * Called with window lock held.
  80  */
  81 static inline LRESULT WINAPI ButtonWndProc_locked(WND* wndPtr, UINT uMsg,
  82                                            WPARAM wParam, LPARAM lParam )
  83 {
  84     RECT rect;
  85     HWND        hWnd = wndPtr->hwndSelf;
  86     POINT pt;
  87     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
  88     LONG style = wndPtr->dwStyle & 0x0f;
  89     HANDLE oldHbitmap;
  90
  91     pt.x = LOWORD(lParam);
  92     pt.y = HIWORD(lParam);
  93
  94     switch (uMsg)
  95     {
  96     case WM_GETDLGCODE:
  97         switch(style)
  98         {
  99         case BS_PUSHBUTTON:      return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON;
 100         case BS_DEFPUSHBUTTON:   return DLGC_BUTTON | DLGC_DEFPUSHBUTTON;
 101         case BS_RADIOBUTTON:
 102         case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON;
 103         default:                 return DLGC_BUTTON;
 104         }
 105
 106     case WM_ENABLE:
 107         PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 108         break;
 109
 110     case WM_CREATE:
 111         if (!hbitmapCheckBoxes)
 112         {
 113             BITMAP bmp;
 114             hbitmapCheckBoxes = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_CHECKBOXES));
 115             GetObjectW( hbitmapCheckBoxes, sizeof(bmp), &bmp );
 116             checkBoxWidth  = bmp.bmWidth / 4;
 117             checkBoxHeight = bmp.bmHeight / 3;
 118         }
 119         if (style < 0L || style >= MAX_BTN_TYPE)
 120             return -1; /* abort */
 121         infoPtr->state = BUTTON_UNCHECKED;
 122         infoPtr->hFont = 0;
 123         infoPtr->hImage = 0;
 124         return 0;
 125
 126     case WM_ERASEBKGND:
 127         return 1;
 128
 129     case WM_PAINT:
 130         if (btnPaintFunc[style])
 131         {
 132             PAINTSTRUCT ps;
 133             HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps );
 134             int nOldMode = SetBkMode( hdc, OPAQUE );
 135             (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
 136             SetBkMode(hdc, nOldMode); /*  reset painting mode */
 137             if( !wParam ) EndPaint( hWnd, &ps );
 138         }
 139         break;
 140
 141     case WM_KEYDOWN:
 142         if (wParam == VK_SPACE)
 143         {
 144             SendMessageW( 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             SendMessageW( 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         SendMessageW( 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         SendMessageW( 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                 SendMessageW( hWnd, BM_SETCHECK,
 186                                 !(infoPtr->state & BUTTON_CHECKED), 0 );
 187                 break;
 188             case BS_AUTORADIOBUTTON:
 189                 SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 );
 190                 break;
 191             case BS_AUTO3STATE:
 192                 SendMessageW( hWnd, BM_SETCHECK,
 193                                 (infoPtr->state & BUTTON_3STATE) ? 0 :
 194                                 ((infoPtr->state & 3) + 1), 0 );
 195                 break;
 196             }
 197             SendMessageW( 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                 SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 );
 207         }
 208         break;
 209
 210     case WM_MOUSEMOVE:
 211         if (GetCapture() == hWnd)
 212         {
 213             GetClientRect( hWnd, &rect );
 214             SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 );
 215         }
 216         break;
 217
 218     case WM_NCHITTEST:
 219         if(style == BS_GROUPBOX) return HTTRANSPARENT;
 220         return DefWindowProcW( hWnd, uMsg, wParam, lParam );
 221
 222     case WM_SETTEXT:
 223         DEFWND_SetTextW( wndPtr, (LPCWSTR)lParam );
 224         if( wndPtr->dwStyle & WS_VISIBLE )
 225             PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 226         return 1; /* success. FIXME: check text length */
 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_RADIOBUTTON || style == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) &&
 239             !(SendMessageW(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED))
 240         {
 241             /* The notification is sent when the button (BS_AUTORADIOBUTTON)
 242                is unchecked and the focus was not given by a mouse click. */
 243             if (style == BS_AUTORADIOBUTTON)
 244                     SendMessageW( hWnd, BM_SETCHECK, BUTTON_CHECKED, 0 );
 245                     SendMessageW( GetParent(hWnd), WM_COMMAND,
 246                           MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
 247         }
 248         infoPtr->state |= BUTTON_HASFOCUS;
 249         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 250         break;
 251
 252     case WM_KILLFOCUS:
 253         infoPtr->state &= ~BUTTON_HASFOCUS;
 254         PAINT_BUTTON( wndPtr, style, ODA_FOCUS );
 255         InvalidateRect( hWnd, NULL, TRUE );
 256         break;
 257
 258     case WM_SYSCOLORCHANGE:
 259         InvalidateRect( hWnd, NULL, FALSE );
 260         break;
 261
 262     case BM_SETSTYLE16:
 263     case BM_SETSTYLE:
 264         if ((wParam & 0x0f) >= MAX_BTN_TYPE) break;
 265         wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0)
 266                            | (wParam & 0x0000000f);
 267         style = wndPtr->dwStyle & 0x0000000f;
 268
 269         /* Only redraw if lParam flag is set.*/
 270         if (lParam)
 271            PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE );
 272
 273         break;
 274
 275     case BM_CLICK:
 276         SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 );
 277         SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 );
 278         break;
 279
 280     case BM_SETIMAGE:
 281         /* Check that image format confirm button style */
 282         if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_BITMAP)
 283         {
 284             if (wParam != (WPARAM) IMAGE_BITMAP)
 285                 return (HICON)0;
 286         }
 287         else if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_ICON)
 288         {
 289             if (wParam != (WPARAM) IMAGE_ICON)
 290                 return (HICON)0;
 291         } else
 292             return (HICON)0;
 293
 294         oldHbitmap = infoPtr->hImage;
 295         infoPtr->hImage = (HANDLE) lParam;
 296         InvalidateRect( hWnd, NULL, FALSE );
 297         return oldHbitmap;
 298
 299     case BM_GETIMAGE:
 300         if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_BITMAP)
 301         {
 302             if (wParam != (WPARAM) IMAGE_BITMAP)
 303                 return (HICON)0;
 304         }
 305         else if ((wndPtr->dwStyle & (BS_BITMAP|BS_ICON)) == BS_ICON)
 306         {
 307             if (wParam != (WPARAM) IMAGE_ICON)
 308                 return (HICON)0;
 309         } else
 310             return (HICON)0;
 311         return infoPtr->hImage;
 312
 313     case BM_GETCHECK16:
 314     case BM_GETCHECK:
 315         return infoPtr->state & 3;
 316
 317     case BM_SETCHECK16:
 318     case BM_SETCHECK:
 319         if (wParam > maxCheckState[style]) wParam = maxCheckState[style];
 320         if ((infoPtr->state & 3) != wParam)
 321         {
 322             if ((style == BS_RADIOBUTTON) || (style == BS_AUTORADIOBUTTON))
 323             {
 324                 if (wParam)
 325                     wndPtr->dwStyle |= WS_TABSTOP;
 326                 else
 327                     wndPtr->dwStyle &= ~WS_TABSTOP;
 328             }
 329             infoPtr->state = (infoPtr->state & ~3) | wParam;
 330             PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 331         }
 332         if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED))
 333             BUTTON_CheckAutoRadioButton( wndPtr );
 334         break;
 335
 336     case BM_GETSTATE16:
 337     case BM_GETSTATE:
 338         return infoPtr->state;
 339
 340     case BM_SETSTATE16:
 341     case BM_SETSTATE:
 342         if (wParam)
 343         {
 344             if (infoPtr->state & BUTTON_HIGHLIGHTED) break;
 345             infoPtr->state |= BUTTON_HIGHLIGHTED;
 346         }
 347         else
 348         {
 349             if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
 350             infoPtr->state &= ~BUTTON_HIGHLIGHTED;
 351         }
 352         PAINT_BUTTON( wndPtr, style, ODA_SELECT );
 353         break;
 354
 355     default:
 356         return DefWindowProcW(hWnd, uMsg, wParam, lParam);
 357     }
 358     return 0;
 359 }
 360
 361 /***********************************************************************
 362  *           ButtonWndProc
 363  * The button window procedure. This is just a wrapper which locks
 364  * the passed HWND and calls the real window procedure (with a WND*
 365  * pointer pointing to the locked windowstructure).
 366  */
 367 LRESULT WINAPI ButtonWndProc( HWND hWnd, UINT uMsg,
 368                               WPARAM wParam, LPARAM lParam )
 369 {
 370     LRESULT res;
 371     WND *wndPtr = WIN_FindWndPtr(hWnd);
 372
 373     res = ButtonWndProc_locked(wndPtr,uMsg,wParam,lParam);
 374
 375     WIN_ReleaseWndPtr(wndPtr);
 376     return res;
 377 }
 378
 379 /**********************************************************************
 380  *       Push Button Functions
 381  */
 382 static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
 383 {
 384     BUTTONINFO *infoPtr      = (BUTTONINFO *)wndPtr->wExtra;
 385     BOOL        bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
 386
 387     /*
 388      * Delegate this to the more generic pushbutton painting
 389      * method.
 390      */
 391     BUTTON_DrawPushButton(wndPtr,
 392                           hDC,
 393                           action,
 394                           bHighLighted);
 395 }
 396
 397 /**********************************************************************
 398  * Convert button styles to flags used by DrawText.
 399  * TODO: handle WS_EX_RIGHT extended style.
 400  */
 401 static UINT BUTTON_BStoDT(DWORD style)
 402 {
 403    UINT dtStyle = DT_NOCLIP;  /* We use SelectClipRgn to limit output */
 404
 405    /* "Convert" pushlike buttons to pushbuttons */
 406    if (style & BS_PUSHLIKE)
 407       style &= ~0x0F;
 408
 409    if (!(style & BS_MULTILINE))
 410       dtStyle |= DT_SINGLELINE;
 411    else
 412       dtStyle |= DT_WORDBREAK;
 413
 414    switch (style & BS_CENTER)
 415    {
 416       case BS_LEFT:   /* DT_LEFT is 0 */    break;
 417       case BS_RIGHT:  dtStyle |= DT_RIGHT;  break;
 418       case BS_CENTER: dtStyle |= DT_CENTER; break;
 419       default:
 420          /* Pushbutton's text is centered by default */
 421          if ((style & 0x0F) <= BS_DEFPUSHBUTTON)
 422             dtStyle |= DT_CENTER;
 423          /* all other flavours have left aligned text */
 424    }
 425
 426    /* DrawText ignores vertical alignment for multiline text,
 427     * but we use these flags to align label manualy.
 428     */
 429    if ((style & 0x0F) != BS_GROUPBOX)
 430    {
 431       switch (style & BS_VCENTER)
 432       {
 433          case BS_TOP:     /* DT_TOP is 0 */      break;
 434          case BS_BOTTOM:  dtStyle |= DT_BOTTOM;  break;
 435          case BS_VCENTER: /* fall through */
 436          default:         dtStyle |= DT_VCENTER; break;
 437       }
 438    }
 439    else
 440       /* GroupBox's text is always single line and is top aligned. */
 441       dtStyle |= DT_SINGLELINE;
 442
 443    return dtStyle;
 444 }
 445
 446 /**********************************************************************
 447  *       BUTTON_CalcLabelRect
 448  *
 449  *   Calculates label's rectangle depending on button style.
 450  *
 451  * Returns flags to be passed to DrawText.
 452  * Calculated rectangle doesn't take into account button state
 453  * (pushed, etc.). If there is nothing to draw (no text/image) output
 454  * rectangle is empty, and return value is (UINT)-1.
 455  */
 456 static UINT BUTTON_CalcLabelRect(WND *wndPtr, HDC hdc, RECT *rc)
 457 {
 458    BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 459    ICONINFO    iconInfo;
 460    BITMAP      bm;
 461    UINT        dtStyle = BUTTON_BStoDT(wndPtr->dwStyle);
 462    RECT        r = *rc;
 463    INT         n;
 464
 465    /* Calculate label rectangle according to label type */
 466    switch (wndPtr->dwStyle & (BS_ICON|BS_BITMAP))
 467    {
 468       case BS_TEXT:
 469          if (wndPtr->text && wndPtr->text[0])
 470             DrawTextW(hdc, wndPtr->text, -1, &r, dtStyle | DT_CALCRECT);
 471          else
 472             goto empty_rect;
 473          break;
 474
 475       case BS_ICON:
 476          if (!GetIconInfo((HICON)infoPtr->hImage, &iconInfo))
 477             goto empty_rect;
 478
 479          GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm);
 480
 481          r.right  = r.left + bm.bmWidth;
 482          r.bottom = r.top  + bm.bmHeight;
 483
 484          DeleteObject(iconInfo.hbmColor);
 485          DeleteObject(iconInfo.hbmMask);
 486          break;
 487
 488       case BS_BITMAP:
 489          if (!GetObjectW (infoPtr->hImage, sizeof(BITMAP), &bm))
 490             goto empty_rect;
 491
 492          r.right  = r.left + bm.bmWidth;
 493          r.bottom = r.top  + bm.bmHeight;
 494          break;
 495
 496       default:
 497       empty_rect:
 498          r.right = r.left;
 499          r.bottom = r.top;
 500          return (UINT)(LONG)-1;
 501    }
 502
 503    /* Position label inside bounding rectangle according to
 504     * alignment flags. (calculated rect is always left-top aligned).
 505     * If label is aligned to any side - shift label in opposite
 506     * direction to leave extra space for focus rectangle.
 507     */
 508    switch (dtStyle & (DT_CENTER|DT_RIGHT))
 509    {
 510       case DT_LEFT:    r.left++;  r.right++;  break;
 511       case DT_CENTER:  n = r.right - r.left;
 512                        r.left   = rc->left + ((rc->right - rc->left) - n) / 2;
 513                        r.right  = r.left + n; break;
 514       case DT_RIGHT:   n = r.right - r.left;
 515                        r.right  = rc->right - 1;
 516                        r.left   = r.right - n;
 517                        break;
 518    }
 519
 520    switch (dtStyle & (DT_VCENTER|DT_BOTTOM))
 521    {
 522       case DT_TOP:     r.top++;  r.bottom++;  break;
 523       case DT_VCENTER: n = r.bottom - r.top;
 524                        r.top    = rc->top + ((rc->bottom - rc->top) - n) / 2;
 525                        r.bottom = r.top + n;  break;
 526       case DT_BOTTOM:  n = r.bottom - r.top;
 527                        r.bottom = rc->bottom - 1;
 528                        r.top    = r.bottom - n;
 529                        break;
 530    }
 531
 532    *rc = r;
 533    return dtStyle;
 534 }
 535
 536
 537 /**********************************************************************
 538  *       BUTTON_DrawTextCallback
 539  *
 540  *   Callback function used by DrawStateW function.
 541  */
 542 static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy)
 543 {
 544    RECT rc;
 545    rc.left = 0;
 546    rc.top = 0;
 547    rc.right = cx;
 548    rc.bottom = cy;
 549
 550    DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp);
 551    return TRUE;
 552 }
 553
 554
 555 /**********************************************************************
 556  *       BUTTON_DrawLabel
 557  *
 558  *   Common function for drawing button label.
 559  */
 560 static void BUTTON_DrawLabel(WND *wndPtr, HDC hdc, UINT dtFlags, RECT *rc)
 561 {
 562    BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 563    DRAWSTATEPROC lpOutputProc = NULL;
 564    LPARAM lp;
 565    WPARAM wp = 0;
 566    HBRUSH hbr = 0;
 567    UINT flags = IsWindowEnabled(wndPtr->hwndSelf) ? DSS_NORMAL : DSS_DISABLED;
 568
 569    /* Fixme: To draw disabled label in Win31 look-and-feel, we probably
 570     * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION).
 571     * I don't have Win31 on hand to verify that, so I leave it as is.
 572     */
 573
 574    if ((wndPtr->dwStyle & BS_PUSHLIKE) && (infoPtr->state & BUTTON_3STATE))
 575    {
 576       hbr = GetSysColorBrush(COLOR_GRAYTEXT);
 577       flags |= DSS_MONO;
 578    }
 579
 580    switch (wndPtr->dwStyle & (BS_ICON|BS_BITMAP))
 581    {
 582       case BS_TEXT:
 583          /* DST_COMPLEX -- is 0 */
 584          lpOutputProc = BUTTON_DrawTextCallback;
 585          lp = (LPARAM)wndPtr->text;
 586          wp = (WPARAM)dtFlags;
 587          break;
 588
 589       case BS_ICON:
 590          flags |= DST_ICON;
 591          lp = (LPARAM)infoPtr->hImage;
 592          break;
 593
 594       case BS_BITMAP:
 595          flags |= DST_BITMAP;
 596          lp = (LPARAM)infoPtr->hImage;
 597          break;
 598
 599       default:
 600          return;
 601    }
 602
 603    DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top,
 604               rc->right - rc->left, rc->bottom - rc->top, flags);
 605 }
 606
 607 /**********************************************************************
 608  * This method will actually do the drawing of the pushbutton
 609  * depending on it's state and the pushedState parameter.
 610  */
 611 static void BUTTON_DrawPushButton(
 612   WND* wndPtr,
 613   HDC  hDC,
 614   WORD action,
 615   BOOL pushedState )
 616 {
 617     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 618     RECT     rc, focus_rect, r;
 619     UINT     dtFlags;
 620     HRGN     hRgn;
 621     HPEN     hOldPen;
 622     HBRUSH   hOldBrush;
 623     INT      oldBkMode;
 624     COLORREF oldTxtColor;
 625
 626     GetClientRect( wndPtr->hwndSelf, &rc );
 627
 628     /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
 629     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 630     BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
 631     hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME));
 632     hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE));
 633     oldBkMode = SetBkMode(hDC, TRANSPARENT);
 634
 635     if ( TWEAK_WineLook == WIN31_LOOK)
 636     {
 637         COLORREF clr_wnd = GetSysColor(COLOR_WINDOW);
 638         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 639
 640         SetPixel( hDC, rc.left, rc.top, clr_wnd);
 641         SetPixel( hDC, rc.left, rc.bottom-1, clr_wnd);
 642         SetPixel( hDC, rc.right-1, rc.top, clr_wnd);
 643         SetPixel( hDC, rc.right-1, rc.bottom-1, clr_wnd);
 644         InflateRect( &rc, -1, -1 );
 645     }
 646
 647     if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
 648     {
 649         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 650         InflateRect( &rc, -1, -1 );
 651     }
 652
 653     if (TWEAK_WineLook == WIN31_LOOK)
 654     {
 655         if (pushedState)
 656         {
 657             /* draw button shadow: */
 658             SelectObject(hDC, GetSysColorBrush(COLOR_BTNSHADOW));
 659             PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
 660             PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY );
 661         } else {
 662            rc.right++, rc.bottom++;
 663            DrawEdge( hDC, &rc, EDGE_RAISED, BF_RECT );
 664            rc.right--, rc.bottom--;
 665         }
 666     }
 667     else
 668     {
 669         UINT uState = DFCS_BUTTONPUSH | DFCS_ADJUSTRECT;
 670
 671         if (wndPtr->dwStyle & BS_FLAT)
 672             uState |= DFCS_MONO;
 673         else if (pushedState)
 674         {
 675             if ( (wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON )
 676                 uState |= DFCS_FLAT;
 677             else
 678                 uState |= DFCS_PUSHED;
 679         }
 680
 681         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE))
 682             uState |= DFCS_CHECKED;
 683
 684         DrawFrameControl( hDC, &rc, DFC_BUTTON, uState );
 685
 686         focus_rect = rc;
 687     }
 688
 689     /* draw button label */
 690     r = rc;
 691     dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &r);
 692
 693     if (dtFlags == (UINT)-1L)
 694        goto cleanup;
 695
 696     if (pushedState)
 697        OffsetRect(&r, 1, 1);
 698
 699     if(TWEAK_WineLook == WIN31_LOOK)
 700     {
 701        focus_rect = r;
 702        InflateRect(&focus_rect, 2, 0);
 703     }
 704
 705     hRgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
 706     SelectClipRgn(hDC, hRgn);
 707
 708     oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) );
 709
 710     BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &r);
 711
 712     SetTextColor( hDC, oldTxtColor );
 713     SelectClipRgn(hDC, 0);
 714     DeleteObject(hRgn);
 715
 716     if (infoPtr->state & BUTTON_HASFOCUS)
 717     {
 718         InflateRect( &focus_rect, -1, -1 );
 719         IntersectRect(&focus_rect, &focus_rect, &rc);
 720         DrawFocusRect( hDC, &focus_rect );
 721     }
 722
 723  cleanup:
 724     SelectObject( hDC, hOldPen );
 725     SelectObject( hDC, hOldBrush );
 726     SetBkMode(hDC, oldBkMode);
 727 }
 728
 729 /**********************************************************************
 730  *       Check Box & Radio Button Functions
 731  */
 732
 733 static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
 734 {
 735     RECT rbox, rtext, client;
 736     HBRUSH hBrush;
 737     int delta;
 738     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 739     UINT dtFlags;
 740     HRGN hRgn;
 741
 742     if (wndPtr->dwStyle & BS_PUSHLIKE)
 743     {
 744         BOOL bHighLighted = (infoPtr->state & BUTTON_HIGHLIGHTED);
 745
 746         BUTTON_DrawPushButton(wndPtr,
 747                               hDC,
 748                               action,
 749                               bHighLighted);
 750         return;
 751     }
 752
 753     GetClientRect(wndPtr->hwndSelf, &client);
 754     rbox = rtext = client;
 755
 756     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 757
 758     /* GetControlBrush16 sends WM_CTLCOLORBTN, plus it returns default brush
 759      * if parent didn't return valid one. So we kill two hares at once
 760      */
 761     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 762
 763     if (wndPtr->dwStyle & BS_LEFTTEXT)
 764     {
 765         /* magic +4 is what CTL3D expects */
 766
 767         rtext.right -= checkBoxWidth + 4;
 768         rbox.left = rbox.right - checkBoxWidth;
 769     }
 770     else
 771     {
 772         rtext.left += checkBoxWidth + 4;
 773         rbox.right = checkBoxWidth;
 774     }
 775
 776     /* Draw the check-box bitmap */
 777     if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
 778     {
 779         if( TWEAK_WineLook == WIN31_LOOK )
 780         {
 781         HDC hMemDC = CreateCompatibleDC( hDC );
 782         int x = 0, y = 0;
 783         delta = (rbox.bottom - rbox.top - checkBoxHeight) / 2;
 784
 785         /* Check in case the client area is smaller than the checkbox bitmap */
 786         if (delta < 0) delta = 0;
 787
 788         if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush );
 789         else FillRect( hDC, &client, hBrush );
 790
 791         if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth;
 792         if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth;
 793         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 794             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight;
 795         else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight;
 796
 797         /* The bitmap for the radio button is not aligned with the
 798          * left of the window, it is 1 pixel off. */
 799         if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 800             ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 801           rbox.left += 1;
 802
 803         SelectObject( hMemDC, hbitmapCheckBoxes );
 804         BitBlt( hDC, rbox.left, rbox.top + delta, checkBoxWidth,
 805                   checkBoxHeight, hMemDC, x, y, SRCCOPY );
 806         DeleteDC( hMemDC );
 807         }
 808         else
 809         {
 810             UINT state;
 811
 812             if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) ||
 813                 ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) state = DFCS_BUTTONRADIO;
 814             else if (infoPtr->state & BUTTON_3STATE) state = DFCS_BUTTON3STATE;
 815             else state = DFCS_BUTTONCHECK;
 816
 817             if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) state |= DFCS_CHECKED;
 818
 819             if (infoPtr->state & BUTTON_HIGHLIGHTED) state |= DFCS_PUSHED;
 820
 821             if (wndPtr->dwStyle & WS_DISABLED) state |= DFCS_INACTIVE;
 822
 823             /* rbox must have the correct height */
 824             delta = rbox.bottom - rbox.top - checkBoxHeight;
 825             if (delta > 0)
 826             {
 827                 int ofs = (abs(delta) / 2);
 828                 rbox.bottom -= ofs + 1;
 829                 rbox.top = rbox.bottom - checkBoxHeight;
 830             }
 831             else if (delta < 0)
 832             {
 833                 int ofs = (abs(delta) / 2);
 834                 rbox.top -= ofs + 1;
 835                 rbox.bottom = rbox.top + checkBoxHeight;
 836             }
 837
 838             DrawFrameControl( hDC, &rbox, DFC_BUTTON, state );
 839         }
 840     }
 841
 842     /* Draw label */
 843     client = rtext;
 844     dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &rtext);
 845
 846     if (dtFlags == (UINT)-1L) /* Noting to draw */
 847         return;
 848     hRgn = CreateRectRgn(client.left, client.top, client.right, client.bottom);
 849     SelectClipRgn(hDC, hRgn);
 850     DeleteObject(hRgn);
 851
 852     if (action == ODA_DRAWENTIRE)
 853         BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &rtext);
 854
 855     /* ... and focus */
 856     if ((action == ODA_FOCUS) ||
 857         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 858     {
 859         rtext.left--;
 860         rtext.right++;
 861         IntersectRect(&rtext, &rtext, &client);
 862         DrawFocusRect( hDC, &rtext );
 863     }
 864     SelectClipRgn(hDC, 0);
 865 }
 866
 867
 868 /**********************************************************************
 869  *       BUTTON_CheckAutoRadioButton
 870  *
 871  * wndPtr is checked, uncheck every other auto radio button in group
 872  */
 873 static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
 874 {
 875     HWND parent, sibling, start;
 876     if (!(wndPtr->dwStyle & WS_CHILD)) return;
 877     parent = wndPtr->parent->hwndSelf;
 878     /* assure that starting control is not disabled or invisible */
 879     start = sibling = GetNextDlgGroupItem( parent, wndPtr->hwndSelf, TRUE );
 880     do
 881     {
 882         WND *tmpWnd;
 883         if (!sibling) break;
 884         tmpWnd = WIN_FindWndPtr(sibling);
 885         if ((wndPtr->hwndSelf != sibling) &&
 886             ((tmpWnd->dwStyle & 0x0f) == BS_AUTORADIOBUTTON))
 887             SendMessageW( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 );
 888         sibling = GetNextDlgGroupItem( parent, sibling, FALSE );
 889         WIN_ReleaseWndPtr(tmpWnd);
 890     } while (sibling != start);
 891 }
 892
 893
 894 /**********************************************************************
 895  *       Group Box Functions
 896  */
 897
 898 static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
 899 {
 900     RECT rc, rcFrame;
 901     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 902     HBRUSH hbr;
 903     UINT dtFlags;
 904
 905     if (action != ODA_DRAWENTIRE) return;
 906
 907     if (infoPtr->hFont)
 908         SelectObject (hDC, infoPtr->hFont);
 909     /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */
 910     hbr = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_STATIC );
 911
 912
 913     GetClientRect( wndPtr->hwndSelf, &rc);
 914     if (TWEAK_WineLook == WIN31_LOOK) {
 915         HPEN hPrevPen = SelectObject( hDC,
 916                                           GetSysColorPen(COLOR_WINDOWFRAME));
 917         HBRUSH hPrevBrush = SelectObject( hDC,
 918                                               GetStockObject(NULL_BRUSH) );
 919
 920         Rectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1 );
 921         SelectObject( hDC, hPrevBrush );
 922         SelectObject( hDC, hPrevPen );
 923     } else {
 924         TEXTMETRICW tm;
 925         rcFrame = rc;
 926
 927         GetTextMetricsW (hDC, &tm);
 928         rcFrame.top += (tm.tmHeight / 2) - 1;
 929         DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT |
 930                            ((wndPtr->dwStyle & BS_FLAT) ? BF_FLAT : 0));
 931     }
 932
 933     InflateRect(&rc, -7, 1);
 934     dtFlags = BUTTON_CalcLabelRect(wndPtr, hDC, &rc);
 935
 936     if (dtFlags == (UINT)-1L)
 937        return;
 938
 939     /* Because buttons have CS_PARENTDC class style, there is a chance
 940      * that label will be drawn out of client rect.
 941      * But Windows doesn't clip label's rect, so do I.
 942      */
 943
 944     /* There is 1-pixel marging at the left, right, and bottom */
 945     rc.left--; rc.right++; rc.bottom++;
 946     FillRect(hDC, &rc, hbr);
 947     rc.left++; rc.right--; rc.bottom--;
 948
 949     BUTTON_DrawLabel(wndPtr, hDC, dtFlags, &rc);
 950 }
 951
 952
 953 /**********************************************************************
 954  *       User Button Functions
 955  */
 956
 957 static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
 958 {
 959     RECT rc;
 960     HBRUSH hBrush;
 961     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 962
 963     if (action == ODA_SELECT) return;
 964
 965     GetClientRect( wndPtr->hwndSelf, &rc);
 966
 967     if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
 968     hBrush = GetControlBrush16( wndPtr->hwndSelf, hDC, CTLCOLOR_BTN );
 969
 970     FillRect( hDC, &rc, hBrush );
 971     if ((action == ODA_FOCUS) ||
 972         ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
 973         DrawFocusRect( hDC, &rc );
 974 }
 975
 976
 977 /**********************************************************************
 978  *       Ownerdrawn Button Functions
 979  */
 980
 981 static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
 982 {
 983     BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
 984     DRAWITEMSTRUCT dis;
 985     HRGN clipRegion;
 986     RECT clipRect;
 987
 988     dis.CtlType    = ODT_BUTTON;
 989     dis.CtlID      = wndPtr->wIDmenu;
 990     dis.itemID     = 0;
 991     dis.itemAction = action;
 992     dis.itemState  = ((infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) |
 993                      ((infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) |
 994                      (IsWindowEnabled(wndPtr->hwndSelf) ? 0: ODS_DISABLED);
 995     dis.hwndItem   = wndPtr->hwndSelf;
 996     dis.hDC        = hDC;
 997     dis.itemData   = 0;
 998     GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
 999
1000     clipRegion = CreateRectRgnIndirect(&dis.rcItem);
1001     if (GetClipRgn(hDC, clipRegion) != 1)
1002     {
1003         DeleteObject(clipRegion);
1004         clipRegion=(HRGN)NULL;
1005     }
1006     clipRect = dis.rcItem;
1007     DPtoLP(hDC, (LPPOINT) &clipRect, 2);
1008     IntersectClipRect(hDC, clipRect.left,  clipRect.top, clipRect.right, clipRect.bottom);
1009
1010     SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) );
1011
1012     SendMessageW( GetParent(wndPtr->hwndSelf), WM_DRAWITEM,
1013                     wndPtr->wIDmenu, (LPARAM)&dis );
1014
1015     SelectClipRgn(hDC, clipRegion);
1016 }
1017