git.oblomov.eu Git - wine/blob - controls/button.c

   1 /* File: button.c -- Button type widgets
   2  *
   3  * Copyright (C) 1993 Johannes Ruscheinski
   4  * Copyright (C) 1993 David Metcalfe
   5  */
   6
   7 static char Copyright1[] = "Copyright Johannes Ruscheinski, 1993";
   8 static char Copyright2[] = "Copyright David Metcalfe, 1993";
   9
  10 #include <windows.h>
  11 #include "win.h"
  12 #include "user.h"
  13 #include "syscolor.h"
  14
  15 LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);
  16
  17 static BOOL pressed;
  18
  19 #define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
  20         SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
  21                 GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
  22 #define DIM(array)      ((sizeof array)/(sizeof array[0]))
  23
  24 static LONG PB_Paint(HWND hWnd);
  25 static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
  26 static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
  27 static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
  28 static LONG PB_KillFocus(HWND hwnd);
  29 static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc);
  30 static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc);
  31 static LONG CB_Paint(HWND hWnd);
  32 static LONG CB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
  33 static LONG CB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
  34 static LONG CB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
  35 static LONG CB_KillFocus(HWND hWnd);
  36 static LONG CB_SetCheck(HWND hWnd, WORD wParam);
  37 static LONG CB_GetCheck(HWND hWnd);
  38 static LONG RB_Paint(HWND hWnd);
  39 static LONG RB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
  40 static LONG RB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
  41 static LONG RB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
  42 static LONG RB_KillFocus(HWND hWnd);
  43 static LONG RB_SetCheck(HWND hWnd, WORD wParam);
  44 static LONG RB_GetCheck(HWND hWnd);
  45 static LONG GB_Paint(HWND hWnd);
  46 static LONG UB_Paint(HWND hWnd);
  47 static LONG UB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
  48 static LONG UB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
  49 static LONG UB_KillFocus(HWND hWnd);
  50 static LONG OB_Paint(HWND hWnd);
  51 static LONG OB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
  52 static LONG OB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
  53 static LONG OB_KillFocus(HWND hWnd);
  54
  55 typedef struct
  56 {
  57     LONG (*paintfn)();
  58     LONG (*lButtonDownfn)();
  59     LONG (*lButtonUpfn)();
  60     LONG (*lButtonDblClkfn)();
  61     LONG (*killFocusfn)();
  62     LONG (*setCheckfn)();
  63     LONG (*getCheckfn)();
  64 } BTNFN;
  65
  66 #define MAX_BTN_TYPE  12
  67
  68 static BTNFN btnfn[MAX_BTN_TYPE] =
  69 {
  70     {
  71         (LONG(*)())PB_Paint,                       /* BS_PUSHBUTTON */
  72         (LONG(*)())PB_LButtonDown,
  73         (LONG(*)())PB_LButtonUp,
  74         (LONG(*)())PB_LButtonDblClk,
  75         (LONG(*)())PB_KillFocus,
  76         (LONG(*)())NULL,
  77         (LONG(*)())NULL
  78     },
  79     {
  80         (LONG(*)())PB_Paint,                       /* BS_DEFPUSHBUTTON */
  81         (LONG(*)())PB_LButtonDown,
  82         (LONG(*)())PB_LButtonUp,
  83         (LONG(*)())PB_LButtonDblClk,
  84         (LONG(*)())PB_KillFocus,
  85         (LONG(*)())NULL,
  86         (LONG(*)())NULL
  87     },
  88     {
  89         (LONG(*)())CB_Paint,                       /* BS_CHECKBOX */
  90         (LONG(*)())CB_LButtonDown,
  91         (LONG(*)())CB_LButtonUp,
  92         (LONG(*)())CB_LButtonDblClk,
  93         (LONG(*)())CB_KillFocus,
  94         (LONG(*)())CB_SetCheck,
  95         (LONG(*)())CB_GetCheck
  96     },
  97     {
  98         (LONG(*)())CB_Paint,                       /* BS_AUTOCHECKBOX */
  99         (LONG(*)())CB_LButtonDown,
 100         (LONG(*)())CB_LButtonUp,
 101         (LONG(*)())CB_LButtonDblClk,
 102         (LONG(*)())CB_KillFocus,
 103         (LONG(*)())CB_SetCheck,
 104         (LONG(*)())CB_GetCheck
 105     },
 106     {
 107         (LONG(*)())RB_Paint,                       /* BS_RADIOBUTTON */
 108         (LONG(*)())RB_LButtonDown,
 109         (LONG(*)())RB_LButtonUp,
 110         (LONG(*)())RB_LButtonDblClk,
 111         (LONG(*)())RB_KillFocus,
 112         (LONG(*)())RB_SetCheck,
 113         (LONG(*)())RB_GetCheck
 114     },
 115     {
 116         (LONG(*)())CB_Paint,                       /* BS_3STATE */
 117         (LONG(*)())CB_LButtonDown,
 118         (LONG(*)())CB_LButtonUp,
 119         (LONG(*)())CB_LButtonDblClk,
 120         (LONG(*)())CB_KillFocus,
 121         (LONG(*)())CB_SetCheck,
 122         (LONG(*)())CB_GetCheck
 123     },
 124     {
 125         (LONG(*)())CB_Paint,                       /* BS_AUTO3STATE */
 126         (LONG(*)())CB_LButtonDown,
 127         (LONG(*)())CB_LButtonUp,
 128         (LONG(*)())CB_LButtonDblClk,
 129         (LONG(*)())CB_KillFocus,
 130         (LONG(*)())CB_SetCheck,
 131         (LONG(*)())CB_GetCheck
 132     },
 133     {
 134         (LONG(*)())GB_Paint,                       /* BS_GROUPBOX */
 135         (LONG(*)())NULL,
 136         (LONG(*)())NULL,
 137         (LONG(*)())NULL,
 138         (LONG(*)())NULL,
 139         (LONG(*)())NULL,
 140         (LONG(*)())NULL
 141     },
 142     {
 143         (LONG(*)())UB_Paint,                       /* BS_USERBUTTON */
 144         (LONG(*)())UB_LButtonDown,
 145         (LONG(*)())UB_LButtonUp,
 146         (LONG(*)())NULL,
 147         (LONG(*)())UB_KillFocus,
 148         (LONG(*)())NULL,
 149         (LONG(*)())NULL
 150     },
 151     {
 152         (LONG(*)())RB_Paint,                       /* BS_AUTORADIOBUTTON */
 153         (LONG(*)())RB_LButtonDown,
 154         (LONG(*)())RB_LButtonUp,
 155         (LONG(*)())RB_LButtonDblClk,
 156         (LONG(*)())RB_KillFocus,
 157         (LONG(*)())RB_SetCheck,
 158         (LONG(*)())RB_GetCheck
 159     },
 160     {
 161         (LONG(*)())NULL,                           /* Not defined */
 162         (LONG(*)())NULL,
 163         (LONG(*)())NULL,
 164         (LONG(*)())NULL,
 165         (LONG(*)())NULL,
 166         (LONG(*)())NULL,
 167         (LONG(*)())NULL
 168     },
 169     {
 170         (LONG(*)())OB_Paint,                       /* BS_OWNERDRAW */
 171         (LONG(*)())OB_LButtonDown,
 172         (LONG(*)())OB_LButtonUp,
 173         (LONG(*)())NULL,
 174         (LONG(*)())OB_KillFocus,
 175         (LONG(*)())NULL,
 176         (LONG(*)())NULL
 177     },
 178 };
 179
 180
 181 LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
 182 {
 183         LONG lResult = 0;
 184         HDC hDC;
 185         RECT rc;
 186
 187         WND *wndPtr = WIN_FindWndPtr(hWnd);
 188         LONG style = wndPtr->dwStyle & 0x0000000F;
 189
 190         switch (uMsg) {
 191 /*      case WM_GETDLGCODE:
 192                 lResult = DLGC_BUTTON;
 193                 break;
 194 */
 195         case WM_ENABLE:
 196                 InvalidateRect(hWnd, NULL, FALSE);
 197                 break;
 198
 199         case WM_CREATE:
 200                 if (style < 0L || style >= (LONG)DIM(btnfn))
 201                     lResult = -1L;
 202                 else
 203                 {
 204                     (WORD)(*(wndPtr->wExtra)) = 0;
 205                     pressed = FALSE;
 206                     lResult = 0L;
 207                 }
 208                 break;
 209
 210         case WM_PAINT:
 211                 if (btnfn[style].paintfn)
 212                     (btnfn[style].paintfn)(hWnd);
 213                 break;
 214
 215         case WM_LBUTTONDOWN:
 216                 if (btnfn[style].lButtonDownfn)
 217                     (btnfn[style].lButtonDownfn)(hWnd, wParam, lParam);
 218                 break;
 219
 220         case WM_LBUTTONUP:
 221                 if (btnfn[style].lButtonUpfn)
 222                     (btnfn[style].lButtonUpfn)(hWnd, wParam, lParam);
 223                 break;
 224
 225         case WM_LBUTTONDBLCLK:
 226                 if (btnfn[style].lButtonDblClkfn)
 227                     (btnfn[style].lButtonDblClkfn)(hWnd, wParam, lParam);
 228                 break;
 229
 230         case WM_SETFOCUS:
 231                 break;
 232
 233         case WM_KILLFOCUS:
 234                 if (btnfn[style].killFocusfn)
 235                     (btnfn[style].killFocusfn)(hWnd);
 236                 break;
 237
 238         case WM_SYSCOLORCHANGE:
 239                 InvalidateRect(hWnd, NULL, TRUE);
 240                 break;
 241
 242         case BM_SETCHECK:
 243                 if (btnfn[style].setCheckfn)
 244                     (btnfn[style].setCheckfn)(hWnd, wParam);
 245                 break;
 246
 247         case BM_GETCHECK:
 248                 if (btnfn[style].getCheckfn)
 249                     return (btnfn[style].getCheckfn)(hWnd);
 250                 break;
 251
 252         default:
 253                 lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
 254                 break;
 255         }
 256
 257         GlobalUnlock(hWnd);
 258         return lResult;
 259 }
 260
 261
 262 /**********************************************************************
 263  *       Push Button Functions
 264  */
 265
 266 static LONG PB_Paint(HWND hWnd)
 267 {
 268     PAINTSTRUCT ps;
 269     RECT rc;
 270     HDC hDC;
 271
 272     hDC = BeginPaint(hWnd, &ps);
 273     GetClientRect(hWnd, &rc);
 274     if (pressed)
 275         DrawPressedPushButton(hDC, hWnd, rc);
 276     else
 277         DrawRaisedPushButton(hDC, hWnd, rc);
 278     EndPaint(hWnd, &ps);
 279 }
 280
 281 static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 282 {
 283     SetFocus(hWnd);
 284     SetCapture(hWnd);
 285     pressed = TRUE;
 286     InvalidateRect(hWnd, NULL, FALSE);
 287     UpdateWindow(hWnd);
 288 }
 289
 290 static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
 291 {
 292     RECT rc;
 293
 294     pressed = FALSE;
 295     ReleaseCapture();
 296     GetClientRect(hWnd, &rc);
 297     if (PtInRect(&rc, MAKEPOINT(lParam)))
 298         NOTIFY_PARENT(hWnd, BN_CLICKED);
 299     InvalidateRect(hWnd, NULL, FALSE);
 300     UpdateWindow(hWnd);
 301 }
 302
 303 static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
 304 {
 305     RECT rc;
 306
 307     GetClientRect(hWnd, &rc);
 308     if (PtInRect(&rc, MAKEPOINT(lParam)))
 309         NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
 310 }
 311
 312 static LONG PB_KillFocus(HWND hWnd)
 313 {
 314     pressed = FALSE;
 315     InvalidateRect(hWnd, NULL, FALSE);
 316     UpdateWindow(hWnd);
 317 }
 318
 319 static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc)
 320 {
 321         HPEN hOldPen;
 322         HBRUSH hOldBrush;
 323         HRGN rgn1, rgn2, rgn;
 324         int len;
 325         static char text[50+1];
 326         POINT points[6];
 327         DWORD dwTextSize;
 328         int delta;
 329         TEXTMETRIC tm;
 330
 331         hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowFrame);
 332         hOldBrush = (HBRUSH)SelectObject(hDC, sysColorObjects.hbrushBtnFace);
 333         SetBkMode(hDC, TRANSPARENT);
 334
 335         rgn = CreateRectRgn(0, 0,  0,  0);
 336         rgn1 = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
 337
 338         SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
 339                     MAKELPARAM(hButton, CTLCOLOR_BTN));
 340         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 341
 342         /* draw button label, if any: */
 343         len = GetWindowText(hButton, text, sizeof text);
 344         if (len >= 1) {
 345                 rc.left--;      rc.bottom--;
 346                 DrawText(hDC, text, len, &rc,
 347                          DT_SINGLELINE | DT_CENTER| DT_VCENTER);
 348         }
 349
 350         /* draw button highlight */
 351         points[0].x = rc.left+2;
 352         points[0].y = rc.bottom;
 353         points[1].x = rc.left+4;
 354         points[1].y = rc.bottom-2;
 355         points[2].x = rc.left+4;
 356         points[2].y = rc.top+3;
 357         points[3].x = rc.right-3;
 358         points[3].y = rc.top+3;
 359         points[4].x = rc.right-1;
 360         points[4].y = rc.top+1;
 361         points[5].x = rc.left+2;
 362         points[5].y = rc.top+1;
 363         rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
 364         CombineRgn(rgn, rgn1, rgn2, RGN_AND);
 365         FillRgn(hDC, rgn2, sysColorObjects.hbrushBtnHighlight);
 366
 367         /* draw button shadow: */
 368         points[0].x = rc.left+2;
 369         points[0].y = rc.bottom;
 370         points[1].x = rc.left+4;
 371         points[1].y = rc.bottom-2;
 372         points[2].x = rc.right-3;
 373         points[2].y = rc.bottom-2;
 374         points[3].x = rc.right-3;
 375         points[3].y = rc.top+3;
 376         points[4].x = rc.right-1;
 377         points[4].y = rc.top;
 378         points[5].x = rc.right-1;
 379         points[5].y = rc.bottom;
 380         rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
 381         CombineRgn(rgn, rgn1, rgn2, RGN_AND);
 382         FillRgn(hDC, rgn2, sysColorObjects.hbrushBtnShadow);
 383
 384         /* do we have the focus? */
 385         if (len >= 1 && GetFocus() == hButton) {
 386                 dwTextSize = GetTextExtent(hDC, text, len);
 387                 delta = ((rc.right - rc.left) - LOWORD(dwTextSize) - 1) >> 1;
 388                 rc.left += delta;       rc.right -= delta;
 389                 GetTextMetrics(hDC, &tm);
 390                 delta = ((rc.bottom - rc.top) - tm.tmHeight - 1) >> 1;
 391                 rc.top += delta;        rc.bottom -= delta;
 392                 DrawFocusRect(hDC, &rc);
 393         }
 394
 395         SelectObject(hDC, (HANDLE)hOldPen);
 396         SelectObject(hDC, (HANDLE)hOldBrush);
 397         DeleteObject((HANDLE)rgn1);
 398         DeleteObject((HANDLE)rgn2);
 399         DeleteObject((HANDLE)rgn);
 400 }
 401
 402
 403 static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc)
 404 {
 405         HPEN hOldPen;
 406         HBRUSH hOldBrush;
 407         int len;
 408         static char text[50+1];
 409         DWORD dwTextSize;
 410         int delta;
 411         TEXTMETRIC tm;
 412
 413         hOldBrush = (HBRUSH)SelectObject(hDC, sysColorObjects.hbrushBtnFace);
 414         hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowFrame);
 415         SetBkMode(hDC, TRANSPARENT);
 416
 417         /* give parent a chance to alter parameters: */
 418         SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
 419                     MAKELPARAM(hButton, CTLCOLOR_BTN));
 420         Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 421
 422         /* draw button shadow: */
 423         SelectObject(hDC, sysColorObjects.hbrushBtnShadow );
 424         PatBlt(hDC, rc.left+1, rc.top+1, 1, rc.bottom-rc.top-2, PATCOPY );
 425         PatBlt(hDC, rc.left+1, rc.top+1, rc.right-rc.left-2, 1, PATCOPY );
 426
 427         /* draw button label, if any: */
 428         len = GetWindowText(hButton, text, sizeof text);
 429         if (len >= 1) {
 430                 rc.top++;       rc.left++;
 431                 DrawText(hDC, text, len, &rc,
 432                          DT_SINGLELINE | DT_CENTER| DT_VCENTER);
 433         }
 434
 435         /* do we have the focus? */
 436         if (len >= 1 && GetFocus() == hButton) {
 437                 dwTextSize = GetTextExtent(hDC, text, len);
 438                 delta = ((rc.right - rc.left) - LOWORD(dwTextSize) - 1) >> 1;
 439                 rc.left += delta;       rc.right -= delta;
 440                 GetTextMetrics(hDC, &tm);
 441                 delta = ((rc.bottom - rc.top) - tm.tmHeight - 1) >> 1;
 442                 rc.top += delta;        rc.bottom -= delta;
 443                 DrawFocusRect(hDC, &rc);
 444         }
 445
 446         SelectObject(hDC, (HANDLE)hOldPen);
 447         SelectObject(hDC, (HANDLE)hOldBrush);
 448 }
 449
 450
 451 /**********************************************************************
 452  *       Check Box Functions
 453  */
 454
 455 static LONG CB_Paint(HWND hWnd)
 456 {
 457     PAINTSTRUCT ps;
 458     RECT rc, rc3;
 459     HDC hDC;
 460     HPEN hOldPen;
 461     HBRUSH hBrush, hGrayBrush;
 462     int textlen, delta;
 463     char *text;
 464     HANDLE hText;
 465     TEXTMETRIC tm;
 466     SIZE size;
 467     WND *wndPtr = WIN_FindWndPtr(hWnd);
 468
 469     hDC = BeginPaint(hWnd, &ps);
 470     GetClientRect(hWnd, &rc);
 471
 472     hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
 473     hGrayBrush = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
 474
 475     hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
 476                          MAKELPARAM(hWnd, CTLCOLOR_BTN));
 477     FillRect(hDC, &rc, hBrush);
 478
 479     textlen = GetWindowTextLength(hWnd);
 480     hText = USER_HEAP_ALLOC(0, textlen+1);
 481     text = USER_HEAP_ADDR(hText);
 482     GetWindowText(hWnd, text, textlen+1);
 483     GetTextMetrics(hDC, &tm);
 484
 485     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 486     Rectangle(hDC, 0, rc.top + delta, tm.tmHeight, tm.tmHeight + delta);
 487     if (pressed)
 488         Rectangle(hDC, 1, rc.top + delta + 1, tm.tmHeight - 1,
 489                                               tm.tmHeight + delta - 1);
 490
 491     switch ((WORD)(*(wndPtr->wExtra)))
 492     {
 493     case 1:
 494         MoveTo(hDC, 0, rc.top + delta);
 495         LineTo(hDC, tm.tmHeight - 1, tm.tmHeight + delta - 1);
 496         MoveTo(hDC, 0, tm.tmHeight + delta - 1);
 497         LineTo(hDC, tm.tmHeight - 1, rc.top + delta);
 498         break;
 499
 500     case 2:
 501         rc3.left = 1;
 502         rc3.top = rc.top + delta + 1;
 503         rc3.right = tm.tmHeight - 1;
 504         rc3.bottom = tm.tmHeight + delta - 1;
 505         FillRect(hDC, &rc3, hGrayBrush);
 506         break;
 507     }
 508
 509     rc.left = tm.tmHeight + tm.tmAveCharWidth / 2;
 510     DrawText(hDC, text, textlen, &rc, DT_SINGLELINE | DT_VCENTER);
 511
 512     /* do we have the focus? */
 513     if (GetFocus() == hWnd)
 514     {
 515         GetTextExtentPoint(hDC, text, textlen, &size);
 516         rc.top += delta - 1;
 517         rc.bottom -= delta + 1;
 518         rc.left--;
 519         rc.right = rc.left + size.cx + 2;
 520         DrawFocusRect(hDC, &rc);
 521     }
 522
 523     SelectObject(hDC, hOldPen);
 524     USER_HEAP_FREE(hText);
 525     GlobalUnlock(hWnd);
 526     EndPaint(hWnd, &ps);
 527 }
 528
 529 static LONG CB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 530 {
 531     RECT rc;
 532     HDC hDC;
 533     TEXTMETRIC tm;
 534     int delta;
 535
 536     hDC = GetDC(hWnd);
 537     GetTextMetrics(hDC, &tm);
 538     ReleaseDC(hWnd, hDC);
 539     GetClientRect(hWnd, &rc);
 540     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 541     rc.top += delta;
 542     rc.bottom = tm.tmHeight + delta;
 543     rc.right = tm.tmHeight;
 544     if (PtInRect(&rc, MAKEPOINT(lParam)))
 545     {
 546         SetFocus(hWnd);
 547         SetCapture(hWnd);
 548         pressed = TRUE;
 549         InvalidateRect(hWnd, NULL, FALSE);
 550         UpdateWindow(hWnd);
 551     }
 552 }
 553
 554 static LONG CB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
 555 {
 556     RECT rc;
 557     HDC hDC;
 558     TEXTMETRIC tm;
 559     int delta;
 560     WND *wndPtr = WIN_FindWndPtr(hWnd);
 561     LONG style;
 562
 563     pressed = FALSE;
 564     ReleaseCapture();
 565     hDC = GetDC(hWnd);
 566     GetTextMetrics(hDC, &tm);
 567     ReleaseDC(hWnd, hDC);
 568     GetClientRect(hWnd, &rc);
 569     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 570     rc.top += delta;
 571     rc.bottom = tm.tmHeight + delta;
 572     rc.right = tm.tmHeight;
 573
 574     if (PtInRect(&rc, MAKEPOINT(lParam)))
 575     {
 576         style = wndPtr->dwStyle & 0x0000000F;
 577         if (style == BS_AUTOCHECKBOX)
 578         {
 579             switch ((WORD)(*(wndPtr->wExtra)))
 580             {
 581             case 0:
 582                 (WORD)(*(wndPtr->wExtra)) = 1;
 583                 break;
 584
 585             case 1:
 586                 (WORD)(*(wndPtr->wExtra)) = 0;
 587                 break;
 588             }
 589         }
 590         else if (style == BS_AUTO3STATE)
 591         {
 592             switch ((WORD)(*(wndPtr->wExtra)))
 593             {
 594             case 0:
 595                 (WORD)(*(wndPtr->wExtra)) = 1;
 596                 break;
 597
 598             case 1:
 599                 (WORD)(*(wndPtr->wExtra)) = 2;
 600                 break;
 601
 602             case 2:
 603                 (WORD)(*(wndPtr->wExtra)) = 0;
 604                 break;
 605             }
 606         }
 607         NOTIFY_PARENT(hWnd, BN_CLICKED);
 608     }
 609     GlobalUnlock(hWnd);
 610     InvalidateRect(hWnd, NULL, FALSE);
 611     UpdateWindow(hWnd);
 612 }
 613
 614 static LONG CB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
 615 {
 616     RECT rc;
 617     HDC hDC;
 618     TEXTMETRIC tm;
 619     int delta;
 620
 621     hDC = GetDC(hWnd);
 622     GetTextMetrics(hDC, &tm);
 623     ReleaseDC(hWnd, hDC);
 624     GetClientRect(hWnd, &rc);
 625     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 626     rc.top += delta;
 627     rc.bottom = tm.tmHeight + delta;
 628     rc.right = tm.tmHeight;
 629     if (PtInRect(&rc, MAKEPOINT(lParam)))
 630         NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
 631 }
 632
 633 static LONG CB_KillFocus(HWND hWnd)
 634 {
 635     pressed = FALSE;
 636     InvalidateRect(hWnd, NULL, FALSE);
 637     UpdateWindow(hWnd);
 638 }
 639
 640 static LONG CB_SetCheck(HWND hWnd, WORD wParam)
 641 {
 642     WND *wndPtr = WIN_FindWndPtr(hWnd);
 643
 644     if ((WORD)(*(wndPtr->wExtra)) != wParam)
 645     {
 646         (WORD)(*(wndPtr->wExtra)) = wParam;
 647         InvalidateRect(hWnd, NULL, FALSE);
 648         UpdateWindow(hWnd);
 649     }
 650     GlobalUnlock(hWnd);
 651 }
 652
 653 static LONG CB_GetCheck(HWND hWnd)
 654 {
 655     WORD wResult;
 656     WND *wndPtr = WIN_FindWndPtr(hWnd);
 657
 658     wResult = (WORD)(*(wndPtr->wExtra));
 659     GlobalUnlock(hWnd);
 660     return (LONG)wResult;
 661 }
 662
 663
 664 /**********************************************************************
 665  *       Radio Button Functions
 666  */
 667
 668 static LONG RB_Paint(HWND hWnd)
 669 {
 670     PAINTSTRUCT ps;
 671     RECT rc;
 672     HDC hDC;
 673     HPEN hOldPen;
 674     HBRUSH hBrush, hOldBrush;
 675     int textlen, delta;
 676     char *text;
 677     HANDLE hText;
 678     TEXTMETRIC tm;
 679     SIZE size;
 680     WND *wndPtr = WIN_FindWndPtr(hWnd);
 681
 682     hDC = BeginPaint(hWnd, &ps);
 683     GetClientRect(hWnd, &rc);
 684
 685     hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
 686
 687     hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
 688                          MAKELPARAM(hWnd, CTLCOLOR_BTN));
 689     FillRect(hDC, &rc, hBrush);
 690
 691     textlen = GetWindowTextLength(hWnd);
 692     hText = USER_HEAP_ALLOC(0, textlen+1);
 693     text = USER_HEAP_ADDR(hText);
 694     GetWindowText(hWnd, text, textlen+1);
 695     GetTextMetrics(hDC, &tm);
 696
 697     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 698     Ellipse(hDC, 0, rc.top + delta, tm.tmHeight, tm.tmHeight + delta);
 699     if (pressed)
 700         Ellipse(hDC, 1, rc.top + delta + 1, tm.tmHeight - 1,
 701                                               tm.tmHeight + delta - 1);
 702
 703     if ((WORD)(*(wndPtr->wExtra)) == 1)
 704     {
 705         hBrush = CreateSolidBrush( GetNearestColor(hDC, GetSysColor(COLOR_WINDOWTEXT)));
 706         hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBrush);
 707         Ellipse(hDC, 3, rc.top + delta + 3, tm.tmHeight - 3,
 708                                             tm.tmHeight + delta -3);
 709         SelectObject(hDC, (HANDLE)hOldBrush);
 710         DeleteObject((HANDLE)hBrush);
 711     }
 712
 713     rc.left = tm.tmHeight + tm.tmAveCharWidth / 2;
 714     DrawText(hDC, text, textlen, &rc, DT_SINGLELINE | DT_VCENTER);
 715
 716     /* do we have the focus? */
 717     if (GetFocus() == hWnd)
 718     {
 719         GetTextExtentPoint(hDC, text, textlen, &size);
 720         rc.top += delta - 1;
 721         rc.bottom -= delta + 1;
 722         rc.left--;
 723         rc.right = rc.left + size.cx + 2;
 724         DrawFocusRect(hDC, &rc);
 725     }
 726
 727     SelectObject(hDC, hOldPen );
 728     USER_HEAP_FREE(hText);
 729     GlobalUnlock(hWnd);
 730     EndPaint(hWnd, &ps);
 731 }
 732
 733 static LONG RB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 734 {
 735     RECT rc;
 736     HDC hDC;
 737     TEXTMETRIC tm;
 738     int delta;
 739
 740     hDC = GetDC(hWnd);
 741     GetTextMetrics(hDC, &tm);
 742     ReleaseDC(hWnd, hDC);
 743     GetClientRect(hWnd, &rc);
 744     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 745     rc.top += delta;
 746     rc.bottom = tm.tmHeight + delta;
 747     rc.right = tm.tmHeight;
 748     if (PtInRect(&rc, MAKEPOINT(lParam)))
 749     {
 750         SetFocus(hWnd);
 751         SetCapture(hWnd);
 752         pressed = TRUE;
 753         InvalidateRect(hWnd, NULL, FALSE);
 754         UpdateWindow(hWnd);
 755     }
 756 }
 757
 758 static LONG RB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
 759 {
 760     RECT rc;
 761     HDC hDC;
 762     TEXTMETRIC tm;
 763     int delta;
 764     WND *wndPtr = WIN_FindWndPtr(hWnd);
 765     LONG style;
 766
 767     pressed = FALSE;
 768     ReleaseCapture();
 769     hDC = GetDC(hWnd);
 770     GetTextMetrics(hDC, &tm);
 771     ReleaseDC(hWnd, hDC);
 772     GetClientRect(hWnd, &rc);
 773     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 774     rc.top += delta;
 775     rc.bottom = tm.tmHeight + delta;
 776     rc.right = tm.tmHeight;
 777
 778     if (PtInRect(&rc, MAKEPOINT(lParam)))
 779     {
 780         style = wndPtr->dwStyle & 0x0000000F;
 781         if (style == BS_AUTORADIOBUTTON)
 782             (WORD)(*(wndPtr->wExtra)) = 1;
 783         NOTIFY_PARENT(hWnd, BN_CLICKED);
 784     }
 785     GlobalUnlock(hWnd);
 786     InvalidateRect(hWnd, NULL, FALSE);
 787     UpdateWindow(hWnd);
 788 }
 789
 790 static LONG RB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
 791 {
 792     RECT rc;
 793     HDC hDC;
 794     TEXTMETRIC tm;
 795     int delta;
 796
 797     hDC = GetDC(hWnd);
 798     GetTextMetrics(hDC, &tm);
 799     ReleaseDC(hWnd, hDC);
 800     GetClientRect(hWnd, &rc);
 801     delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
 802     rc.top += delta;
 803     rc.bottom = tm.tmHeight + delta;
 804     rc.right = tm.tmHeight;
 805     if (PtInRect(&rc, MAKEPOINT(lParam)))
 806         NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
 807 }
 808
 809 static LONG RB_KillFocus(HWND hWnd)
 810 {
 811     pressed = FALSE;
 812     InvalidateRect(hWnd, NULL, FALSE);
 813     UpdateWindow(hWnd);
 814 }
 815
 816 static LONG RB_SetCheck(HWND hWnd, WORD wParam)
 817 {
 818     WND *wndPtr = WIN_FindWndPtr(hWnd);
 819
 820     if ((WORD)(*(wndPtr->wExtra)) != wParam)
 821     {
 822         (WORD)(*(wndPtr->wExtra)) = wParam;
 823         InvalidateRect(hWnd, NULL, FALSE);
 824         UpdateWindow(hWnd);
 825     }
 826     GlobalUnlock(hWnd);
 827 }
 828
 829 static LONG RB_GetCheck(HWND hWnd)
 830 {
 831     WORD wResult;
 832     WND *wndPtr = WIN_FindWndPtr(hWnd);
 833
 834     wResult = (WORD)(*(wndPtr->wExtra));
 835     GlobalUnlock(hWnd);
 836     return (LONG)wResult;
 837 }
 838
 839
 840 /**********************************************************************
 841  *       Group Box Functions
 842  */
 843
 844 static LONG GB_Paint(HWND hWnd)
 845 {
 846     PAINTSTRUCT ps;
 847     RECT rc;
 848     HDC hDC;
 849     HPEN hOldPen;
 850     HBRUSH hBrush;
 851     int textlen;
 852     char *text;
 853     HANDLE hText;
 854     SIZE size;
 855
 856     hDC = BeginPaint(hWnd, &ps);
 857     GetClientRect(hWnd, &rc);
 858
 859     hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
 860
 861     hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
 862                          MAKELPARAM(hWnd, CTLCOLOR_BTN));
 863     FillRect(hDC, &rc, hBrush);
 864
 865     textlen = GetWindowTextLength(hWnd);
 866     hText = USER_HEAP_ALLOC(0, textlen+1);
 867     text = USER_HEAP_ADDR(hText);
 868     GetWindowText(hWnd, text, textlen+1);
 869     GetTextExtentPoint(hDC, text, textlen, &size);
 870
 871     rc.top = 5;
 872     Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
 873     rc.left = 10;
 874     rc.top = 0;
 875     rc.right = rc.left + size.cx + 1;
 876     rc.bottom = size.cy;
 877     DrawText(hDC, text, textlen, &rc, DT_SINGLELINE);
 878
 879     SelectObject(hDC, hOldPen );
 880     USER_HEAP_FREE(hText);
 881     EndPaint(hWnd, &ps);
 882 }
 883
 884
 885 /**********************************************************************
 886  *       User Button Functions
 887  */
 888
 889 static LONG UB_Paint(HWND hWnd)
 890 {
 891     PAINTSTRUCT ps;
 892     HDC hDC;
 893     RECT rc;
 894     HBRUSH hBrush;
 895
 896     hDC = BeginPaint(hWnd, &ps);
 897     GetClientRect(hWnd, &rc);
 898
 899     hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
 900                          MAKELPARAM(hWnd, CTLCOLOR_BTN));
 901     FillRect(hDC, &rc, hBrush);
 902
 903     NOTIFY_PARENT(hWnd, BN_PAINT);
 904
 905     /* do we have the focus? */
 906     if (GetFocus() == hWnd)
 907         DrawFocusRect(hDC, &rc);
 908
 909     EndPaint(hWnd, &ps);
 910 }
 911
 912 static LONG UB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 913 {
 914     RECT rc;
 915
 916     SetFocus(hWnd);
 917     SetCapture(hWnd);
 918     GetClientRect(hWnd, &rc);
 919     if (PtInRect(&rc, MAKEPOINT(lParam)))
 920         NOTIFY_PARENT(hWnd, BN_HILITE);
 921     InvalidateRect(hWnd, NULL, FALSE);
 922     UpdateWindow(hWnd);
 923 }
 924
 925 static LONG UB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
 926 {
 927     RECT rc;
 928
 929     ReleaseCapture();
 930     GetClientRect(hWnd, &rc);
 931     if (PtInRect(&rc, MAKEPOINT(lParam)))
 932     {
 933         NOTIFY_PARENT(hWnd, BN_CLICKED);
 934         NOTIFY_PARENT(hWnd, BN_UNHILITE);
 935     }
 936     InvalidateRect(hWnd, NULL, FALSE);
 937     UpdateWindow(hWnd);
 938 }
 939
 940 static LONG UB_KillFocus(HWND hWnd)
 941 {
 942     InvalidateRect(hWnd, NULL, FALSE);
 943     UpdateWindow(hWnd);
 944 }
 945
 946
 947 /**********************************************************************
 948  *       Ownerdrawn Button Functions
 949  */
 950
 951 static LONG OB_Paint(HWND hWnd)
 952 {
 953     PAINTSTRUCT ps;
 954     HDC         hDC;
 955     RECT        rc;
 956     HANDLE      hDis;
 957     LPDRAWITEMSTRUCT lpdis;
 958     WND *wndPtr = WIN_FindWndPtr(hWnd);
 959     hDC = BeginPaint(hWnd, &ps);
 960     GetClientRect(hWnd, &rc);
 961     hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
 962     lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
 963     lpdis->hDC = hDC;
 964     lpdis->itemID = 0;
 965     CopyRect(&lpdis->rcItem, &rc);
 966     lpdis->CtlID = wndPtr->wIDmenu;
 967     lpdis->CtlType = ODT_BUTTON;
 968     lpdis->itemAction = ODA_DRAWENTIRE;
 969 /*    printf("ownerdrawn button WM_DRAWITEM CtrlID=%X\n", lpdis->CtlID);*/
 970     SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
 971     USER_HEAP_FREE(hDis);
 972     EndPaint(hWnd, &ps);
 973 }
 974
 975 static LONG OB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
 976 {
 977     HDC         hDC;
 978     RECT        rc;
 979     HANDLE      hDis;
 980     LPDRAWITEMSTRUCT lpdis;
 981     WND *wndPtr = WIN_FindWndPtr(hWnd);
 982     SetFocus(hWnd);
 983     SetCapture(hWnd);
 984     hDC = GetDC(hWnd);
 985     GetClientRect(hWnd, &rc);
 986     if (PtInRect(&rc, MAKEPOINT(lParam)))
 987         NOTIFY_PARENT(hWnd, BN_CLICKED);
 988     GetClientRect(hWnd, &rc);
 989     hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
 990     lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
 991     lpdis->hDC = hDC;
 992     lpdis->itemID = 0;
 993     CopyRect(&lpdis->rcItem, &rc);
 994     lpdis->CtlID = wndPtr->wIDmenu;
 995     lpdis->CtlType = ODT_BUTTON;
 996     lpdis->itemAction = ODA_SELECT;
 997     SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
 998     USER_HEAP_FREE(hDis);
 999     ReleaseDC(hWnd, hDC);
1000 }
1001
1002 static LONG OB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
1003 {
1004     HDC         hDC;
1005     RECT        rc;
1006     HANDLE      hDis;
1007     LPDRAWITEMSTRUCT lpdis;
1008     WND *wndPtr = WIN_FindWndPtr(hWnd);
1009     ReleaseCapture();
1010     hDC = GetDC(hWnd);
1011     GetClientRect(hWnd, &rc);
1012     if (PtInRect(&rc, MAKEPOINT(lParam)))
1013         NOTIFY_PARENT(hWnd, BN_CLICKED);
1014     GetClientRect(hWnd, &rc);
1015     hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
1016     lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
1017     lpdis->hDC = hDC;
1018     lpdis->itemID = 0;
1019     CopyRect(&lpdis->rcItem, &rc);
1020     lpdis->CtlID = wndPtr->wIDmenu;
1021     lpdis->CtlType = ODT_BUTTON;
1022     lpdis->itemAction = ODA_SELECT;
1023     SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
1024     USER_HEAP_FREE(hDis);
1025     ReleaseDC(hWnd, hDC);
1026 }
1027
1028 static LONG OB_KillFocus(HWND hWnd)
1029 {
1030     InvalidateRect(hWnd, NULL, FALSE);
1031     UpdateWindow(hWnd);
1032 }
1033