dlls/comdlg32/colordlg.c

   1 /*
   2  * COMMDLG - Color Dialog
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  * Copyright 1996 Albrecht Kleine
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 /* BUGS : still seems to not refresh correctly
  23    sometimes, especially when 2 instances of the
  24    dialog are loaded at the same time */
  25
  26 #include <ctype.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "wingdi.h"
  34 #include "winuser.h"
  35 #include "commdlg.h"
  36 #include "dlgs.h"
  37 #include "wine/debug.h"
  38 #include "cderr.h"
  39 #include "cdlg.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
  42
  43 static INT_PTR CALLBACK ColorDlgProc( HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam );
  44
  45 #define CONV_LPARAMTOPOINT(lp,p) do { (p)->x = (short)LOWORD(lp); (p)->y = (short)HIWORD(lp); } while(0)
  46
  47 static const COLORREF predefcolors[6][8]=
  48 {
  49  { 0x008080FFL, 0x0080FFFFL, 0x0080FF80L, 0x0080FF00L,
  50    0x00FFFF80L, 0x00FF8000L, 0x00C080FFL, 0x00FF80FFL },
  51  { 0x000000FFL, 0x0000FFFFL, 0x0000FF80L, 0x0040FF00L,
  52    0x00FFFF00L, 0x00C08000L, 0x00C08080L, 0x00FF00FFL },
  53
  54  { 0x00404080L, 0x004080FFL, 0x0000FF00L, 0x00808000L,
  55    0x00804000L, 0x00FF8080L, 0x00400080L, 0x008000FFL },
  56  { 0x00000080L, 0x000080FFL, 0x00008000L, 0x00408000L,
  57    0x00FF0000L, 0x00A00000L, 0x00800080L, 0x00FF0080L },
  58
  59  { 0x00000040L, 0x00004080L, 0x00004000L, 0x00404000L,
  60    0x00800000L, 0x00400000L, 0x00400040L, 0x00800040L },
  61  { 0x00000000L, 0x00008080L, 0x00408080L, 0x00808080L,
  62    0x00808040L, 0x00C0C0C0L, 0x00400040L, 0x00FFFFFFL },
  63 };
  64
  65 static const WCHAR szColourDialogProp[] = {
  66     'c','o','l','o','u','r','d','i','a','l','o','g','p','r','o','p',0 };
  67
  68 /* Chose Color PRIVATE Structure:
  69  *
  70  * This structure is duplicated in the 16 bit code with
  71  * an extra member
  72  */
  73
  74 typedef struct CCPRIVATE
  75 {
  76     LPCHOOSECOLORW lpcc; /* points to public known data structure */
  77     int nextuserdef;     /* next free place in user defined color array */
  78     HDC hdcMem;          /* color graph used for BitBlt() */
  79     HBITMAP hbmMem;      /* color graph bitmap */
  80     RECT fullsize;       /* original dialog window size */
  81     UINT msetrgb;        /* # of SETRGBSTRING message (today not used)  */
  82     RECT old3angle;      /* last position of l-marker */
  83     RECT oldcross;       /* last position of color/satuation marker */
  84     BOOL updating;       /* to prevent recursive WM_COMMAND/EN_UPDATE processing */
  85     int h;
  86     int s;
  87     int l;               /* for temporary storing of hue,sat,lum */
  88     int capturedGraph;   /* control mouse captured */
  89     RECT focusRect;      /* rectangle last focused item */
  90     HWND hwndFocus;      /* handle last focused item */
  91 } CCPRIV, *LPCCPRIV;
  92
  93 /***********************************************************************
  94  *                             CC_HSLtoRGB                    [internal]
  95  */
  96 int CC_HSLtoRGB(char c, int hue, int sat, int lum)
  97 {
  98  int res = 0, maxrgb;
  99
 100  /* hue */
 101  switch(c)
 102  {
 103   case 'R': if (hue > 80)  hue -= 80; else hue += 160; break;
 104   case 'G': if (hue > 160) hue -= 160; else hue += 80; break;
 105   case 'B': break;
 106  }
 107
 108  /* l below 120 */
 109  maxrgb = (256 * min(120,lum)) / 120;  /* 0 .. 256 */
 110  if (hue < 80)
 111   res = 0;
 112  else
 113   if (hue < 120)
 114   {
 115    res = (hue - 80) * maxrgb;           /* 0...10240 */
 116    res /= 40;                        /* 0...256 */
 117   }
 118   else
 119    if (hue < 200)
 120     res = maxrgb;
 121    else
 122     {
 123      res= (240 - hue) * maxrgb;
 124      res /= 40;
 125     }
 126  res = res - maxrgb / 2;                 /* -128...128 */
 127
 128  /* saturation */
 129  res = maxrgb / 2 + (sat * res) / 240;    /* 0..256 */
 130
 131  /* lum above 120 */
 132  if (lum > 120 && res < 256)
 133   res += ((lum - 120) * (256 - res)) / 120;
 134
 135  return min(res, 255);
 136 }
 137
 138 /***********************************************************************
 139  *                             CC_RGBtoHSL                    [internal]
 140  */
 141 int CC_RGBtoHSL(char c, int r, int g, int b)
 142 {
 143  WORD maxi, mini, mmsum, mmdif, result = 0;
 144  int iresult = 0;
 145
 146  maxi = max(r, b);
 147  maxi = max(maxi, g);
 148  mini = min(r, b);
 149  mini = min(mini, g);
 150
 151  mmsum = maxi + mini;
 152  mmdif = maxi - mini;
 153
 154  switch(c)
 155  {
 156   /* lum */
 157   case 'L': mmsum *= 120;              /* 0...61200=(255+255)*120 */
 158            result = mmsum / 255;        /* 0...240 */
 159            break;
 160   /* saturation */
 161   case 'S': if (!mmsum)
 162             result = 0;
 163            else
 164             if (!mini || maxi == 255)
 165              result = 240;
 166            else
 167            {
 168             result = mmdif * 240;       /* 0...61200=255*240 */
 169             result /= (mmsum > 255 ? mmsum = 510 - mmsum : mmsum); /* 0..255 */
 170            }
 171            break;
 172   /* hue */
 173   case 'H': if (!mmdif)
 174             result = 160;
 175            else
 176            {
 177             if (maxi == r)
 178             {
 179              iresult = 40 * (g - b);       /* -10200 ... 10200 */
 180              iresult /= (int) mmdif;    /* -40 .. 40 */
 181              if (iresult < 0)
 182               iresult += 240;          /* 0..40 and 200..240 */
 183             }
 184             else
 185              if (maxi == g)
 186              {
 187               iresult = 40 * (b - r);
 188               iresult /= (int) mmdif;
 189               iresult += 80;           /* 40 .. 120 */
 190              }
 191              else
 192               if (maxi == b)
 193               {
 194                iresult = 40 * (r - g);
 195                iresult /= (int) mmdif;
 196                iresult += 160;         /* 120 .. 200 */
 197               }
 198             result = iresult;
 199            }
 200            break;
 201  }
 202  return result;    /* is this integer arithmetic precise enough ? */
 203 }
 204
 205
 206 /***********************************************************************
 207  *                  CC_DrawCurrentFocusRect                       [internal]
 208  */
 209 static void CC_DrawCurrentFocusRect( const CCPRIV *lpp )
 210 {
 211   if (lpp->hwndFocus)
 212   {
 213     HDC hdc = GetDC(lpp->hwndFocus);
 214     DrawFocusRect(hdc, &lpp->focusRect);
 215     ReleaseDC(lpp->hwndFocus, hdc);
 216   }
 217 }
 218
 219 /***********************************************************************
 220  *                  CC_DrawFocusRect                       [internal]
 221  */
 222 static void CC_DrawFocusRect( LPCCPRIV lpp, HWND hwnd, int x, int y, int rows, int cols)
 223 {
 224   RECT rect;
 225   int dx, dy;
 226   HDC hdc;
 227
 228   CC_DrawCurrentFocusRect(lpp); /* remove current focus rect */
 229   /* calculate new rect */
 230   GetClientRect(hwnd, &rect);
 231   dx = (rect.right - rect.left) / cols;
 232   dy = (rect.bottom - rect.top) / rows;
 233   rect.left += (x * dx) - 2;
 234   rect.top += (y * dy) - 2;
 235   rect.right = rect.left + dx;
 236   rect.bottom = rect.top + dy;
 237   /* draw it */
 238   hdc = GetDC(hwnd);
 239   DrawFocusRect(hdc, &rect);
 240   CopyRect(&lpp->focusRect, &rect);
 241   lpp->hwndFocus = hwnd;
 242   ReleaseDC(hwnd, hdc);
 243 }
 244
 245 #define DISTANCE 4
 246
 247 /***********************************************************************
 248  *                CC_MouseCheckPredefColorArray               [internal]
 249  *                returns 1 if one of the predefined colors is clicked
 250  */
 251 static int CC_MouseCheckPredefColorArray( LPCCPRIV lpp, HWND hDlg, int dlgitem, int rows, int cols,
 252             LPARAM lParam )
 253 {
 254  HWND hwnd;
 255  POINT point;
 256  RECT rect;
 257  int dx, dy, x, y;
 258
 259  CONV_LPARAMTOPOINT(lParam, &point);
 260  ClientToScreen(hDlg, &point);
 261  hwnd = GetDlgItem(hDlg, dlgitem);
 262  GetWindowRect(hwnd, &rect);
 263  if (PtInRect(&rect, point))
 264  {
 265   dx = (rect.right - rect.left) / cols;
 266   dy = (rect.bottom - rect.top) / rows;
 267   ScreenToClient(hwnd, &point);
 268
 269   if (point.x % dx < ( dx - DISTANCE) && point.y % dy < ( dy - DISTANCE))
 270   {
 271    x = point.x / dx;
 272    y = point.y / dy;
 273    lpp->lpcc->rgbResult = predefcolors[y][x];
 274    CC_DrawFocusRect(lpp, hwnd, x, y, rows, cols);
 275    return 1;
 276   }
 277  }
 278  return 0;
 279 }
 280
 281 /***********************************************************************
 282  *                  CC_MouseCheckUserColorArray               [internal]
 283  *                  return 1 if the user clicked a color
 284  */
 285 static int CC_MouseCheckUserColorArray( LPCCPRIV lpp, HWND hDlg, int dlgitem, int rows, int cols,
 286             LPARAM lParam )
 287 {
 288  HWND hwnd;
 289  POINT point;
 290  RECT rect;
 291  int dx, dy, x, y;
 292  COLORREF *crarr = lpp->lpcc->lpCustColors;
 293
 294  CONV_LPARAMTOPOINT(lParam, &point);
 295  ClientToScreen(hDlg, &point);
 296  hwnd = GetDlgItem(hDlg, dlgitem);
 297  GetWindowRect(hwnd, &rect);
 298  if (PtInRect(&rect, point))
 299  {
 300   dx = (rect.right - rect.left) / cols;
 301   dy = (rect.bottom - rect.top) / rows;
 302   ScreenToClient(hwnd, &point);
 303
 304   if (point.x % dx < (dx - DISTANCE) && point.y % dy < (dy - DISTANCE))
 305   {
 306    x = point.x / dx;
 307    y = point.y / dy;
 308    lpp->lpcc->rgbResult = crarr[x + (cols * y) ];
 309    CC_DrawFocusRect(lpp, hwnd, x, y, rows, cols);
 310    return 1;
 311   }
 312  }
 313  return 0;
 314 }
 315
 316 #define MAXVERT  240
 317 #define MAXHORI  239
 318
 319 /*  240  ^......        ^^ 240
 320          |     .        ||
 321     SAT  |     .        || LUM
 322          |     .        ||
 323          +-----> 239   ----
 324            HUE
 325 */
 326 /***********************************************************************
 327  *                  CC_MouseCheckColorGraph                   [internal]
 328  */
 329 static int CC_MouseCheckColorGraph( HWND hDlg, int dlgitem, int *hori, int *vert, LPARAM lParam )
 330 {
 331  HWND hwnd;
 332  POINT point;
 333  RECT rect;
 334  long x,y;
 335
 336  CONV_LPARAMTOPOINT(lParam, &point);
 337  ClientToScreen(hDlg, &point);
 338  hwnd = GetDlgItem( hDlg, dlgitem );
 339  GetWindowRect(hwnd, &rect);
 340  if (PtInRect(&rect, point))
 341  {
 342   GetClientRect(hwnd, &rect);
 343   ScreenToClient(hwnd, &point);
 344
 345   x = (long) point.x * MAXHORI;
 346   x /= rect.right;
 347   y = (long) (rect.bottom - point.y) * MAXVERT;
 348   y /= rect.bottom;
 349
 350   if (hori)
 351    *hori = x;
 352   if (vert)
 353    *vert = y;
 354   return 1;
 355  }
 356  else
 357   return 0;
 358 }
 359 /***********************************************************************
 360  *                  CC_MouseCheckResultWindow                 [internal]
 361  *                  test if double click one of the result colors
 362  */
 363 int CC_MouseCheckResultWindow( HWND hDlg, LPARAM lParam )
 364 {
 365  HWND hwnd;
 366  POINT point;
 367  RECT rect;
 368
 369  CONV_LPARAMTOPOINT(lParam, &point);
 370  ClientToScreen(hDlg, &point);
 371  hwnd = GetDlgItem(hDlg, 0x2c5);
 372  GetWindowRect(hwnd, &rect);
 373  if (PtInRect(&rect, point))
 374  {
 375   PostMessageA(hDlg, WM_COMMAND, 0x2c9, 0);
 376   return 1;
 377  }
 378  return 0;
 379 }
 380
 381 /***********************************************************************
 382  *                       CC_CheckDigitsInEdit                 [internal]
 383  */
 384 int CC_CheckDigitsInEdit( HWND hwnd, int maxval )
 385 {
 386  int i, k, m, result, value;
 387  long editpos;
 388  char buffer[30];
 389
 390  GetWindowTextA(hwnd, buffer, sizeof(buffer));
 391  m = strlen(buffer);
 392  result = 0;
 393
 394  for (i = 0 ; i < m ; i++)
 395   if (buffer[i] < '0' || buffer[i] > '9')
 396   {
 397    for (k = i + 1; k <= m; k++)  /* delete bad character */
 398    {
 399     buffer[i] = buffer[k];
 400     m--;
 401    }
 402    buffer[m] = 0;
 403    result = 1;
 404   }
 405
 406  value = atoi(buffer);
 407  if (value > maxval)       /* build a new string */
 408  {
 409   sprintf(buffer, "%d", maxval);
 410   result = 2;
 411  }
 412  if (result)
 413  {
 414   editpos = SendMessageA(hwnd, EM_GETSEL, 0, 0);
 415   SetWindowTextA(hwnd, buffer );
 416   SendMessageA(hwnd, EM_SETSEL, 0, editpos);
 417  }
 418  return value;
 419 }
 420
 421
 422
 423 /***********************************************************************
 424  *                    CC_PaintSelectedColor                   [internal]
 425  */
 426 void CC_PaintSelectedColor( HWND hDlg, COLORREF cr )
 427 {
 428  RECT rect;
 429  HDC  hdc;
 430  HBRUSH hBrush;
 431  HWND hwnd = GetDlgItem(hDlg, 0x2c5);
 432  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 433  {
 434   hdc = GetDC(hwnd);
 435   GetClientRect(hwnd, &rect) ;
 436   hBrush = CreateSolidBrush(cr);
 437   if (hBrush)
 438   {
 439    hBrush = SelectObject(hdc, hBrush) ;
 440    Rectangle(hdc, rect.left, rect.top, rect.right/2, rect.bottom);
 441    DeleteObject ( SelectObject(hdc, hBrush) ) ;
 442    hBrush = CreateSolidBrush( GetNearestColor(hdc, cr) );
 443    if (hBrush)
 444    {
 445     hBrush = SelectObject(hdc, hBrush) ;
 446     Rectangle(hdc, rect.right/2-1, rect.top, rect.right, rect.bottom);
 447     DeleteObject(SelectObject(hdc, hBrush)) ;
 448    }
 449   }
 450   ReleaseDC(hwnd, hdc);
 451  }
 452 }
 453
 454 /***********************************************************************
 455  *                    CC_PaintTriangle                        [internal]
 456  */
 457 void CC_PaintTriangle( HWND hDlg, int y)
 458 {
 459  HDC hDC;
 460  long temp;
 461  int w = LOWORD(GetDialogBaseUnits());
 462  POINT points[3];
 463  int height;
 464  int oben;
 465  RECT rect;
 466  HBRUSH hbr;
 467  HWND hwnd = GetDlgItem(hDlg, 0x2be);
 468  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 469
 470  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6)))   /* if full size */
 471  {
 472    GetClientRect(hwnd, &rect);
 473    height = rect.bottom;
 474    hDC = GetDC(hDlg);
 475    points[0].y = rect.top;
 476    points[0].x = rect.right;     /*  |  /|  */
 477    ClientToScreen(hwnd, points); /*  | / |  */
 478    ScreenToClient(hDlg, points); /*  |<  |  */
 479    oben = points[0].y;           /*  | \ |  */
 480                                  /*  |  \|  */
 481    temp = (long)height * (long)y;
 482    points[0].y = oben + height - temp / (long)MAXVERT;
 483    points[1].y = points[0].y + w;
 484    points[2].y = points[0].y - w;
 485    points[2].x = points[1].x = points[0].x + w;
 486
 487    hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
 488    if (!hbr) hbr = GetSysColorBrush(COLOR_BTNFACE);
 489    FillRect(hDC, &lpp->old3angle, hbr);
 490    lpp->old3angle.left  = points[0].x;
 491    lpp->old3angle.right = points[1].x + 1;
 492    lpp->old3angle.top   = points[2].y - 1;
 493    lpp->old3angle.bottom= points[1].y + 1;
 494    Polygon(hDC, points, 3);
 495    ReleaseDC(hDlg, hDC);
 496  }
 497 }
 498
 499
 500 /***********************************************************************
 501  *                    CC_PaintCross                           [internal]
 502  */
 503 void CC_PaintCross( HWND hDlg, int x, int y)
 504 {
 505  HDC hDC;
 506  int w = GetDialogBaseUnits();
 507  HWND hwnd = GetDlgItem(hDlg, 0x2c6);
 508  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 509  RECT rect;
 510  POINT point, p;
 511  HPEN hPen;
 512
 513  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 514  {
 515    GetClientRect(hwnd, &rect);
 516    hDC = GetDC(hwnd);
 517    SelectClipRgn( hDC, CreateRectRgnIndirect(&rect));
 518    hPen = CreatePen(PS_SOLID, 2, 0xffffff); /* -white- color */
 519    hPen = SelectObject(hDC, hPen);
 520    point.x = ((long)rect.right * (long)x) / (long)MAXHORI;
 521    point.y = rect.bottom - ((long)rect.bottom * (long)y) / (long)MAXVERT;
 522    if ( lpp->oldcross.left != lpp->oldcross.right )
 523      BitBlt(hDC, lpp->oldcross.left, lpp->oldcross.top,
 524               lpp->oldcross.right - lpp->oldcross.left,
 525               lpp->oldcross.bottom - lpp->oldcross.top,
 526               lpp->hdcMem, lpp->oldcross.left, lpp->oldcross.top, SRCCOPY);
 527    lpp->oldcross.left   = point.x - w - 1;
 528    lpp->oldcross.right  = point.x + w + 1;
 529    lpp->oldcross.top    = point.y - w - 1;
 530    lpp->oldcross.bottom = point.y + w + 1;
 531
 532    MoveToEx(hDC, point.x - w, point.y, &p);
 533    LineTo(hDC, point.x + w, point.y);
 534    MoveToEx(hDC, point.x, point.y - w, &p);
 535    LineTo(hDC, point.x, point.y + w);
 536    DeleteObject( SelectObject(hDC, hPen)) ;
 537    ReleaseDC(hwnd, hDC);
 538  }
 539 }
 540
 541
 542 #define XSTEPS 48
 543 #define YSTEPS 24
 544
 545
 546 /***********************************************************************
 547  *                    CC_PrepareColorGraph                    [internal]
 548  */
 549 static void CC_PrepareColorGraph( HWND hDlg )
 550 {
 551  int sdif, hdif, xdif, ydif, r, g, b, hue, sat;
 552  HWND hwnd = GetDlgItem(hDlg, 0x2c6);
 553  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 554  HBRUSH hbrush;
 555  HDC hdc ;
 556  RECT rect, client;
 557  HCURSOR hcursor = SetCursor( LoadCursorW(0, (LPCWSTR)IDC_WAIT) );
 558
 559  GetClientRect(hwnd, &client);
 560  hdc = GetDC(hwnd);
 561  lpp->hdcMem = CreateCompatibleDC(hdc);
 562  lpp->hbmMem = CreateCompatibleBitmap(hdc, client.right, client.bottom);
 563  SelectObject(lpp->hdcMem, lpp->hbmMem);
 564
 565  xdif = client.right / XSTEPS;
 566  ydif = client.bottom / YSTEPS+1;
 567  hdif = 239 / XSTEPS;
 568  sdif = 240 / YSTEPS;
 569  for (rect.left = hue = 0; hue < 239 + hdif; hue += hdif)
 570  {
 571   rect.right = rect.left + xdif;
 572   rect.bottom = client.bottom;
 573   for(sat = 0; sat < 240 + sdif; sat += sdif)
 574   {
 575    rect.top = rect.bottom - ydif;
 576    r = CC_HSLtoRGB('R', hue, sat, 120);
 577    g = CC_HSLtoRGB('G', hue, sat, 120);
 578    b = CC_HSLtoRGB('B', hue, sat, 120);
 579    hbrush = CreateSolidBrush( RGB(r, g, b));
 580    FillRect(lpp->hdcMem, &rect, hbrush);
 581    DeleteObject(hbrush);
 582    rect.bottom = rect.top;
 583   }
 584   rect.left = rect.right;
 585  }
 586  ReleaseDC(hwnd, hdc);
 587  SetCursor(hcursor);
 588 }
 589
 590 /***********************************************************************
 591  *                          CC_PaintColorGraph                [internal]
 592  */
 593 static void CC_PaintColorGraph( HWND hDlg )
 594 {
 595  HWND hwnd = GetDlgItem( hDlg, 0x2c6 );
 596  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 597  HDC  hDC;
 598  RECT rect;
 599  if (IsWindowVisible(hwnd))   /* if full size */
 600  {
 601   if (!lpp->hdcMem)
 602    CC_PrepareColorGraph(hDlg);   /* should not be necessary */
 603
 604   hDC = GetDC(hwnd);
 605   GetClientRect(hwnd, &rect);
 606   if (lpp->hdcMem)
 607       BitBlt(hDC, 0, 0, rect.right, rect.bottom, lpp->hdcMem, 0, 0, SRCCOPY);
 608   else
 609       WARN("choose color: hdcMem is not defined\n");
 610   ReleaseDC(hwnd, hDC);
 611  }
 612 }
 613
 614 /***********************************************************************
 615  *                           CC_PaintLumBar                   [internal]
 616  */
 617 static void CC_PaintLumBar( HWND hDlg, int hue, int sat )
 618 {
 619  HWND hwnd = GetDlgItem(hDlg, 0x2be);
 620  RECT rect, client;
 621  int lum, ldif, ydif, r, g, b;
 622  HBRUSH hbrush;
 623  HDC hDC;
 624
 625  if (IsWindowVisible(hwnd))
 626  {
 627   hDC = GetDC(hwnd);
 628   GetClientRect(hwnd, &client);
 629   rect = client;
 630
 631   ldif = 240 / YSTEPS;
 632   ydif = client.bottom / YSTEPS+1;
 633   for (lum = 0; lum < 240 + ldif; lum += ldif)
 634   {
 635    rect.top = max(0, rect.bottom - ydif);
 636    r = CC_HSLtoRGB('R', hue, sat, lum);
 637    g = CC_HSLtoRGB('G', hue, sat, lum);
 638    b = CC_HSLtoRGB('B', hue, sat, lum);
 639    hbrush = CreateSolidBrush( RGB(r, g, b) );
 640    FillRect(hDC, &rect, hbrush);
 641    DeleteObject(hbrush);
 642    rect.bottom = rect.top;
 643   }
 644   GetClientRect(hwnd, &rect);
 645   FrameRect(hDC, &rect, GetStockObject(BLACK_BRUSH) );
 646   ReleaseDC(hwnd, hDC);
 647  }
 648 }
 649
 650 /***********************************************************************
 651  *                             CC_EditSetRGB                  [internal]
 652  */
 653 void CC_EditSetRGB( HWND hDlg, COLORREF cr )
 654 {
 655  char buffer[10];
 656  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 657  int r = GetRValue(cr);
 658  int g = GetGValue(cr);
 659  int b = GetBValue(cr);
 660  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 661  {
 662    lpp->updating = TRUE;
 663    sprintf(buffer, "%d", r);
 664    SetWindowTextA( GetDlgItem(hDlg, 0x2c2), buffer);
 665    sprintf(buffer, "%d", g);
 666    SetWindowTextA( GetDlgItem(hDlg, 0x2c3), buffer);
 667    sprintf( buffer, "%d", b );
 668    SetWindowTextA( GetDlgItem(hDlg, 0x2c4),buffer);
 669    lpp->updating = FALSE;
 670  }
 671 }
 672
 673 /***********************************************************************
 674  *                             CC_EditSetHSL                  [internal]
 675  */
 676 void CC_EditSetHSL( HWND hDlg, int h, int s, int l )
 677 {
 678  char buffer[10];
 679  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 680
 681  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 682  {
 683    lpp->updating = TRUE;
 684    sprintf(buffer, "%d", h);
 685    SetWindowTextA( GetDlgItem(hDlg, 0x2bf), buffer);
 686    sprintf(buffer, "%d", s);
 687    SetWindowTextA( GetDlgItem(hDlg, 0x2c0), buffer);
 688    sprintf(buffer, "%d", l);
 689    SetWindowTextA( GetDlgItem(hDlg, 0x2c1), buffer);
 690    lpp->updating = FALSE;
 691  }
 692  CC_PaintLumBar(hDlg, h, s);
 693 }
 694
 695 /***********************************************************************
 696  *                       CC_SwitchToFullSize                  [internal]
 697  */
 698 void CC_SwitchToFullSize( HWND hDlg, COLORREF result, LPCRECT lprect )
 699 {
 700  int i;
 701  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 702
 703  EnableWindow( GetDlgItem(hDlg, 0x2cf), FALSE);
 704  CC_PrepareColorGraph(hDlg);
 705  for (i = 0x2bf; i < 0x2c5; i++)
 706    ShowWindow( GetDlgItem(hDlg, i), SW_SHOW);
 707  for (i = 0x2d3; i < 0x2d9; i++)
 708    ShowWindow( GetDlgItem(hDlg, i), SW_SHOW);
 709  ShowWindow( GetDlgItem(hDlg, 0x2c9), SW_SHOW);
 710  ShowWindow( GetDlgItem(hDlg, 0x2c8), SW_SHOW);
 711  ShowWindow( GetDlgItem(hDlg, 1090), SW_SHOW);
 712
 713  if (lprect)
 714   SetWindowPos(hDlg, 0, 0, 0, lprect->right-lprect->left,
 715    lprect->bottom-lprect->top, SWP_NOMOVE|SWP_NOZORDER);
 716
 717  ShowWindow( GetDlgItem(hDlg, 0x2be), SW_SHOW);
 718  ShowWindow( GetDlgItem(hDlg, 0x2c5), SW_SHOW);
 719
 720  CC_EditSetRGB(hDlg, result);
 721  CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
 722  ShowWindow( GetDlgItem( hDlg, 0x2c6), SW_SHOW);
 723  UpdateWindow( GetDlgItem(hDlg, 0x2c6) );
 724 }
 725
 726 /***********************************************************************
 727  *                           CC_PaintPredefColorArray         [internal]
 728  *                Paints the default standard 48 colors
 729  */
 730 static void CC_PaintPredefColorArray( HWND hDlg, int rows, int cols)
 731 {
 732  HWND hwnd = GetDlgItem(hDlg, 0x2d0);
 733  RECT rect;
 734  HDC  hdc;
 735  HBRUSH hBrush;
 736  int dx, dy, i, j, k;
 737  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 738
 739  GetClientRect(hwnd, &rect);
 740  dx = rect.right / cols;
 741  dy = rect.bottom / rows;
 742  k = rect.left;
 743
 744  hdc = GetDC(hwnd);
 745  GetClientRect(hwnd, &rect);
 746  hBrush = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
 747  if (!hBrush) hBrush = GetSysColorBrush(COLOR_BTNFACE);
 748  FillRect(hdc, &rect, hBrush);
 749  for ( j = 0; j < rows; j++ )
 750  {
 751   for ( i = 0; i < cols; i++ )
 752   {
 753    hBrush = CreateSolidBrush(predefcolors[j][i]);
 754    if (hBrush)
 755    {
 756     hBrush = SelectObject(hdc, hBrush);
 757     Rectangle(hdc, rect.left, rect.top,
 758                 rect.left + dx - DISTANCE, rect.top + dy - DISTANCE);
 759     rect.left = rect.left + dx;
 760     DeleteObject(SelectObject(hdc, hBrush)) ;
 761    }
 762   }
 763   rect.top = rect.top + dy;
 764   rect.left = k;
 765  }
 766  ReleaseDC(hwnd, hdc);
 767  if (lpp->hwndFocus == hwnd)
 768    CC_DrawCurrentFocusRect(lpp);
 769 }
 770 /***********************************************************************
 771  *                             CC_PaintUserColorArray         [internal]
 772  *               Paint the 16 user-selected colors
 773  */
 774 void CC_PaintUserColorArray( HWND hDlg, int rows, int cols, const COLORREF *lpcr )
 775 {
 776  HWND hwnd = GetDlgItem(hDlg, 0x2d1);
 777  RECT rect;
 778  HDC  hdc;
 779  HBRUSH hBrush;
 780  int dx, dy, i, j, k;
 781  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 782
 783  GetClientRect(hwnd, &rect);
 784
 785  dx = rect.right / cols;
 786  dy = rect.bottom / rows;
 787  k = rect.left;
 788
 789  hdc = GetDC(hwnd);
 790  if (hdc)
 791  {
 792   hBrush = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
 793   if (!hBrush) hBrush = GetSysColorBrush(COLOR_BTNFACE);
 794   FillRect( hdc, &rect, hBrush );
 795   for (j = 0; j < rows; j++)
 796   {
 797    for (i = 0; i < cols; i++)
 798    {
 799     hBrush = CreateSolidBrush(lpcr[i+j*cols]);
 800     if (hBrush)
 801     {
 802      hBrush = SelectObject(hdc, hBrush) ;
 803      Rectangle(hdc, rect.left, rect.top,
 804                   rect.left + dx - DISTANCE, rect.top + dy - DISTANCE);
 805      rect.left = rect.left + dx;
 806      DeleteObject( SelectObject(hdc, hBrush) ) ;
 807     }
 808    }
 809    rect.top = rect.top + dy;
 810    rect.left = k;
 811   }
 812   ReleaseDC(hwnd, hdc);
 813  }
 814  if (lpp->hwndFocus == hwnd)
 815    CC_DrawCurrentFocusRect(lpp);
 816 }
 817
 818
 819
 820 /***********************************************************************
 821  *                             CC_HookCallChk                 [internal]
 822  */
 823 BOOL CC_HookCallChk( const CHOOSECOLORW *lpcc )
 824 {
 825  if (lpcc)
 826   if(lpcc->Flags & CC_ENABLEHOOK)
 827    if (lpcc->lpfnHook)
 828     return TRUE;
 829  return FALSE;
 830 }
 831
 832 /***********************************************************************
 833  *                              CC_WMInitDialog                  [internal]
 834  */
 835 static LONG CC_WMInitDialog( HWND hDlg, WPARAM wParam, LPARAM lParam )
 836 {
 837    int i, res;
 838    int r, g, b;
 839    HWND hwnd;
 840    RECT rect;
 841    POINT point;
 842    LPCCPRIV lpp;
 843
 844    TRACE("WM_INITDIALOG lParam=%08lX\n", lParam);
 845    lpp = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct CCPRIVATE) );
 846
 847    lpp->lpcc = (LPCHOOSECOLORW) lParam;
 848    if (lpp->lpcc->lStructSize != sizeof(CHOOSECOLORW) )
 849    {
 850        HeapFree(GetProcessHeap(), 0, lpp);
 851        EndDialog (hDlg, 0) ;
 852        return FALSE;
 853    }
 854
 855    SetPropW( hDlg, szColourDialogProp, lpp );
 856
 857    if (!(lpp->lpcc->Flags & CC_SHOWHELP))
 858       ShowWindow( GetDlgItem(hDlg,0x40e), SW_HIDE);
 859    lpp->msetrgb = RegisterWindowMessageA(SETRGBSTRINGA);
 860
 861 #if 0
 862    cpos = MAKELONG(5,7); /* init */
 863    if (lpp->lpcc->Flags & CC_RGBINIT)
 864    {
 865      for (i = 0; i < 6; i++)
 866        for (j = 0; j < 8; j++)
 867         if (predefcolors[i][j] == lpp->lpcc->rgbResult)
 868         {
 869           cpos = MAKELONG(i,j);
 870           goto found;
 871         }
 872    }
 873    found:
 874    /* FIXME: Draw_a_focus_rect & set_init_values */
 875 #endif
 876
 877    GetWindowRect(hDlg, &lpp->fullsize);
 878    if (lpp->lpcc->Flags & CC_FULLOPEN || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
 879    {
 880       hwnd = GetDlgItem(hDlg, 0x2cf);
 881       EnableWindow(hwnd, FALSE);
 882    }
 883    if (!(lpp->lpcc->Flags & CC_FULLOPEN ) || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
 884    {
 885       rect = lpp->fullsize;
 886       res = rect.bottom - rect.top;
 887       hwnd = GetDlgItem(hDlg, 0x2c6); /* cut at left border */
 888       point.x = point.y = 0;
 889       ClientToScreen(hwnd, &point);
 890       ScreenToClient(hDlg,&point);
 891       GetClientRect(hDlg, &rect);
 892       point.x += GetSystemMetrics(SM_CXDLGFRAME);
 893       SetWindowPos(hDlg, 0, 0, 0, point.x, res, SWP_NOMOVE|SWP_NOZORDER);
 894
 895       for (i = 0x2bf; i < 0x2c5; i++)
 896          ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
 897       for (i = 0x2d3; i < 0x2d9; i++)
 898          ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
 899       ShowWindow( GetDlgItem(hDlg, 0x2c9), SW_HIDE);
 900       ShowWindow( GetDlgItem(hDlg, 0x2c8), SW_HIDE);
 901       ShowWindow( GetDlgItem(hDlg, 0x2c6), SW_HIDE);
 902       ShowWindow( GetDlgItem(hDlg, 0x2c5), SW_HIDE);
 903       ShowWindow( GetDlgItem(hDlg, 1090 ), SW_HIDE);
 904    }
 905    else
 906       CC_SwitchToFullSize(hDlg, lpp->lpcc->rgbResult, NULL);
 907    res = TRUE;
 908    for (i = 0x2bf; i < 0x2c5; i++)
 909      SendMessageA( GetDlgItem(hDlg, i), EM_LIMITTEXT, 3, 0);  /* max 3 digits:  xyz  */
 910    if (CC_HookCallChk(lpp->lpcc))
 911    {
 912           res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, WM_INITDIALOG, wParam, lParam);
 913    }
 914
 915    /* Set the initial values of the color chooser dialog */
 916    r = GetRValue(lpp->lpcc->rgbResult);
 917    g = GetGValue(lpp->lpcc->rgbResult);
 918    b = GetBValue(lpp->lpcc->rgbResult);
 919
 920    CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
 921    lpp->h = CC_RGBtoHSL('H', r, g, b);
 922    lpp->s = CC_RGBtoHSL('S', r, g, b);
 923    lpp->l = CC_RGBtoHSL('L', r, g, b);
 924
 925    /* Doing it the long way because CC_EditSetRGB/HSL doesn't seem to work */
 926    SetDlgItemInt(hDlg, 703, lpp->h, TRUE);
 927    SetDlgItemInt(hDlg, 704, lpp->s, TRUE);
 928    SetDlgItemInt(hDlg, 705, lpp->l, TRUE);
 929    SetDlgItemInt(hDlg, 706, r, TRUE);
 930    SetDlgItemInt(hDlg, 707, g, TRUE);
 931    SetDlgItemInt(hDlg, 708, b, TRUE);
 932
 933    CC_PaintCross(hDlg, lpp->h, lpp->s);
 934    CC_PaintTriangle(hDlg, lpp->l);
 935
 936    return res;
 937 }
 938
 939
 940 /***********************************************************************
 941  *                              CC_WMCommand                  [internal]
 942  */
 943 LRESULT CC_WMCommand( HWND hDlg, WPARAM wParam, LPARAM lParam, WORD notifyCode, HWND hwndCtl )
 944 {
 945     int  r, g, b, i, xx;
 946     UINT cokmsg;
 947     HDC hdc;
 948     COLORREF *cr;
 949     LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
 950     TRACE("CC_WMCommand wParam=%lx lParam=%lx\n", wParam, lParam);
 951     switch (LOWORD(wParam))
 952     {
 953           case 0x2c2:  /* edit notify RGB */
 954           case 0x2c3:
 955           case 0x2c4:
 956                if (notifyCode == EN_UPDATE && !lpp->updating)
 957                          {
 958                            i = CC_CheckDigitsInEdit(hwndCtl, 255);
 959                            r = GetRValue(lpp->lpcc->rgbResult);
 960                            g = GetGValue(lpp->lpcc->rgbResult);
 961                            b= GetBValue(lpp->lpcc->rgbResult);
 962                            xx = 0;
 963                            switch (LOWORD(wParam))
 964                            {
 965                             case 0x2c2: if ((xx = (i != r))) r = i; break;
 966                             case 0x2c3: if ((xx = (i != g))) g = i; break;
 967                             case 0x2c4: if ((xx = (i != b))) b = i; break;
 968                            }
 969                            if (xx) /* something has changed */
 970                            {
 971                             lpp->lpcc->rgbResult = RGB(r, g, b);
 972                             CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
 973                             lpp->h = CC_RGBtoHSL('H', r, g, b);
 974                             lpp->s = CC_RGBtoHSL('S', r, g, b);
 975                             lpp->l = CC_RGBtoHSL('L', r, g, b);
 976                             CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
 977                             CC_PaintCross(hDlg, lpp->h, lpp->s);
 978                             CC_PaintTriangle(hDlg, lpp->l);
 979                            }
 980                          }
 981                  break;
 982
 983           case 0x2bf:  /* edit notify HSL */
 984           case 0x2c0:
 985           case 0x2c1:
 986                if (notifyCode == EN_UPDATE && !lpp->updating)
 987                          {
 988                            i = CC_CheckDigitsInEdit(hwndCtl , LOWORD(wParam) == 0x2bf ? 239:240);
 989                            xx = 0;
 990                            switch (LOWORD(wParam))
 991                            {
 992                             case 0x2bf: if ((xx = ( i != lpp->h))) lpp->h = i; break;
 993                             case 0x2c0: if ((xx = ( i != lpp->s))) lpp->s = i; break;
 994                             case 0x2c1: if ((xx = ( i != lpp->l))) lpp->l = i; break;
 995                            }
 996                            if (xx) /* something has changed */
 997                            {
 998                             r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
 999                             g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
1000                             b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
1001                             lpp->lpcc->rgbResult = RGB(r, g, b);
1002                             CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1003                             CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1004                             CC_PaintCross(hDlg, lpp->h, lpp->s);
1005                             CC_PaintTriangle(hDlg, lpp->l);
1006                            }
1007                          }
1008                break;
1009
1010           case 0x2cf:
1011                CC_SwitchToFullSize(hDlg, lpp->lpcc->rgbResult, &lpp->fullsize);
1012                SetFocus( GetDlgItem(hDlg, 0x2bf));
1013                break;
1014
1015           case 0x2c8:    /* add colors ... column by column */
1016                cr = lpp->lpcc->lpCustColors;
1017                cr[(lpp->nextuserdef % 2) * 8 + lpp->nextuserdef / 2] = lpp->lpcc->rgbResult;
1018                if (++lpp->nextuserdef == 16)
1019                    lpp->nextuserdef = 0;
1020                CC_PaintUserColorArray(hDlg, 2, 8, lpp->lpcc->lpCustColors);
1021                break;
1022
1023           case 0x2c9:              /* resulting color */
1024                hdc = GetDC(hDlg);
1025                lpp->lpcc->rgbResult = GetNearestColor(hdc, lpp->lpcc->rgbResult);
1026                ReleaseDC(hDlg, hdc);
1027                CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1028                CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1029                r = GetRValue(lpp->lpcc->rgbResult);
1030                g = GetGValue(lpp->lpcc->rgbResult);
1031                b = GetBValue(lpp->lpcc->rgbResult);
1032                lpp->h = CC_RGBtoHSL('H', r, g, b);
1033                lpp->s = CC_RGBtoHSL('S', r, g, b);
1034                lpp->l = CC_RGBtoHSL('L', r, g, b);
1035                CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
1036                CC_PaintCross(hDlg, lpp->h, lpp->s);
1037                CC_PaintTriangle(hDlg, lpp->l);
1038                break;
1039
1040           case 0x40e:           /* Help! */ /* The Beatles, 1965  ;-) */
1041                i = RegisterWindowMessageA(HELPMSGSTRINGA);
1042                    if (lpp->lpcc->hwndOwner)
1043                        SendMessageA(lpp->lpcc->hwndOwner, i, 0, (LPARAM)lpp->lpcc);
1044                    if ( CC_HookCallChk(lpp->lpcc))
1045                        CallWindowProcA( (WNDPROC) lpp->lpcc->lpfnHook, hDlg,
1046                           WM_COMMAND, psh15, (LPARAM)lpp->lpcc);
1047                break;
1048
1049           case IDOK :
1050                 cokmsg = RegisterWindowMessageA(COLOROKSTRINGA);
1051                     if (lpp->lpcc->hwndOwner)
1052                         if (SendMessageA(lpp->lpcc->hwndOwner, cokmsg, 0, (LPARAM)lpp->lpcc))
1053                         break;    /* do NOT close */
1054                 EndDialog(hDlg, 1) ;
1055                 return TRUE ;
1056
1057           case IDCANCEL :
1058                 EndDialog(hDlg, 0) ;
1059                 return TRUE ;
1060
1061        }
1062        return FALSE;
1063 }
1064
1065 /***********************************************************************
1066  *                              CC_WMPaint                    [internal]
1067  */
1068 LRESULT CC_WMPaint( HWND hDlg, WPARAM wParam, LPARAM lParam )
1069 {
1070     PAINTSTRUCT ps;
1071     LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
1072
1073     BeginPaint(hDlg, &ps);
1074     /* we have to paint dialog children except text and buttons */
1075     CC_PaintPredefColorArray(hDlg, 6, 8);
1076     CC_PaintUserColorArray(hDlg, 2, 8, lpp->lpcc->lpCustColors);
1077     CC_PaintLumBar(hDlg, lpp->h, lpp->s);
1078     CC_PaintCross(hDlg, lpp->h, lpp->s);
1079     CC_PaintTriangle(hDlg, lpp->l);
1080     CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1081     CC_PaintColorGraph(hDlg);
1082     EndPaint(hDlg, &ps);
1083
1084     return TRUE;
1085 }
1086
1087 /***********************************************************************
1088  *                              CC_WMLButtonUp              [internal]
1089  */
1090 LRESULT CC_WMLButtonUp( HWND hDlg, WPARAM wParam, LPARAM lParam )
1091 {
1092    LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
1093    if (lpp->capturedGraph)
1094    {
1095        lpp->capturedGraph = 0;
1096        ReleaseCapture();
1097        CC_PaintCross(hDlg, lpp->h, lpp->s);
1098        return 1;
1099    }
1100    return 0;
1101 }
1102
1103 /***********************************************************************
1104  *                              CC_WMMouseMove              [internal]
1105  */
1106 LRESULT CC_WMMouseMove( HWND hDlg, LPARAM lParam )
1107 {
1108    LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
1109    int r, g, b;
1110
1111    if (lpp->capturedGraph)
1112    {
1113       int *ptrh = NULL, *ptrs = &lpp->l;
1114       if (lpp->capturedGraph == 0x2c6)
1115       {
1116           ptrh = &lpp->h;
1117           ptrs = &lpp->s;
1118       }
1119       if (CC_MouseCheckColorGraph( hDlg, lpp->capturedGraph, ptrh, ptrs, lParam))
1120       {
1121           r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
1122           g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
1123           b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
1124           lpp->lpcc->rgbResult = RGB(r, g, b);
1125           CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1126           CC_EditSetHSL(hDlg,lpp->h, lpp->s, lpp->l);
1127           CC_PaintCross(hDlg, lpp->h, lpp->s);
1128           CC_PaintTriangle(hDlg, lpp->l);
1129           CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1130       }
1131       else
1132       {
1133           ReleaseCapture();
1134           lpp->capturedGraph = 0;
1135       }
1136       return 1;
1137    }
1138    return 0;
1139 }
1140
1141 /***********************************************************************
1142  *                              CC_WMLButtonDown              [internal]
1143  */
1144 LRESULT CC_WMLButtonDown( HWND hDlg, WPARAM wParam, LPARAM lParam )
1145 {
1146    LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
1147    int r, g, b, i;
1148    i = 0;
1149
1150    if (CC_MouseCheckPredefColorArray(lpp, hDlg, 0x2d0, 6, 8, lParam))
1151       i = 1;
1152    else
1153       if (CC_MouseCheckUserColorArray(lpp, hDlg, 0x2d1, 2, 8, lParam))
1154          i = 1;
1155       else
1156          if (CC_MouseCheckColorGraph(hDlg, 0x2c6, &lpp->h, &lpp->s, lParam))
1157          {
1158             i = 2;
1159             lpp->capturedGraph = 0x2c6;
1160          }
1161          else
1162             if (CC_MouseCheckColorGraph(hDlg, 0x2be, NULL, &lpp->l, lParam))
1163             {
1164                i = 2;
1165                lpp->capturedGraph = 0x2be;
1166             }
1167    if ( i == 2 )
1168    {
1169       SetCapture(hDlg);
1170       r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
1171       g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
1172       b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
1173       lpp->lpcc->rgbResult = RGB(r, g, b);
1174    }
1175    if ( i == 1 )
1176    {
1177       r = GetRValue(lpp->lpcc->rgbResult);
1178       g = GetGValue(lpp->lpcc->rgbResult);
1179       b = GetBValue(lpp->lpcc->rgbResult);
1180       lpp->h = CC_RGBtoHSL('H', r, g, b);
1181       lpp->s = CC_RGBtoHSL('S', r, g, b);
1182       lpp->l = CC_RGBtoHSL('L', r, g, b);
1183    }
1184    if (i)
1185    {
1186       CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1187       CC_EditSetHSL(hDlg,lpp->h, lpp->s, lpp->l);
1188       CC_PaintCross(hDlg, lpp->h, lpp->s);
1189       CC_PaintTriangle(hDlg, lpp->l);
1190       CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1191       return TRUE;
1192    }
1193    return FALSE;
1194 }
1195
1196 /***********************************************************************
1197  *           ColorDlgProc32 [internal]
1198  *
1199  */
1200 static INT_PTR CALLBACK ColorDlgProc( HWND hDlg, UINT message,
1201                                    WPARAM wParam, LPARAM lParam )
1202 {
1203
1204  int res;
1205  LPCCPRIV lpp = (LPCCPRIV) GetPropW( hDlg, szColourDialogProp );
1206  if (message != WM_INITDIALOG)
1207  {
1208   if (!lpp)
1209      return FALSE;
1210   res = 0;
1211   if (CC_HookCallChk(lpp->lpcc))
1212      res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, message, wParam, lParam);
1213   if ( res )
1214      return res;
1215  }
1216
1217  /* FIXME: SetRGB message
1218  if (message && message == msetrgb)
1219     return HandleSetRGB(hDlg, lParam);
1220  */
1221
1222  switch (message)
1223         {
1224           case WM_INITDIALOG:
1225                         return CC_WMInitDialog(hDlg, wParam, lParam);
1226           case WM_NCDESTROY:
1227                         DeleteDC(lpp->hdcMem);
1228                         DeleteObject(lpp->hbmMem);
1229                         HeapFree(GetProcessHeap(), 0, lpp);
1230                         RemovePropW( hDlg, szColourDialogProp );
1231                         break;
1232           case WM_COMMAND:
1233                         if (CC_WMCommand( hDlg, wParam, lParam, HIWORD(wParam), (HWND) lParam))
1234                            return TRUE;
1235                         break;
1236           case WM_PAINT:
1237                         if ( CC_WMPaint(hDlg, wParam, lParam))
1238                            return TRUE;
1239                         break;
1240           case WM_LBUTTONDBLCLK:
1241                         if (CC_MouseCheckResultWindow(hDlg, lParam))
1242                           return TRUE;
1243                         break;
1244           case WM_MOUSEMOVE:
1245                         if (CC_WMMouseMove(hDlg, lParam))
1246                           return TRUE;
1247                         break;
1248           case WM_LBUTTONUP:  /* FIXME: ClipCursor off (if in color graph)*/
1249                         if (CC_WMLButtonUp(hDlg, wParam, lParam))
1250                            return TRUE;
1251                         break;
1252           case WM_LBUTTONDOWN:/* FIXME: ClipCursor on  (if in color graph)*/
1253                         if (CC_WMLButtonDown(hDlg, wParam, lParam))
1254                            return TRUE;
1255                         break;
1256         }
1257      return FALSE ;
1258 }
1259
1260 /***********************************************************************
1261  *            ChooseColorW  (COMDLG32.@)
1262  *
1263  * Create a color dialog box.
1264  *
1265  * PARAMS
1266  *  lpChCol [I/O] in:  information to initialize the dialog box.
1267  *                out: User's color selection
1268  *
1269  * RETURNS
1270  *  TRUE:  Ok button clicked.
1271  *  FALSE: Cancel button clicked, or error.
1272  */
1273 BOOL WINAPI ChooseColorW( LPCHOOSECOLORW lpChCol )
1274 {
1275     HANDLE hDlgTmpl = 0;
1276     BOOL bRet = FALSE;
1277     LPCVOID template;
1278
1279     TRACE("ChooseColor\n");
1280     if (!lpChCol) return FALSE;
1281
1282     if (lpChCol->Flags & CC_ENABLETEMPLATEHANDLE)
1283     {
1284         if (!(template = LockResource(lpChCol->hInstance)))
1285         {
1286             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1287             return FALSE;
1288         }
1289     }
1290     else if (lpChCol->Flags & CC_ENABLETEMPLATE)
1291     {
1292         HRSRC hResInfo;
1293         if (!(hResInfo = FindResourceW((HINSTANCE)lpChCol->hInstance,
1294                                         lpChCol->lpTemplateName,
1295                                         (LPWSTR)RT_DIALOG)))
1296         {
1297             COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
1298             return FALSE;
1299         }
1300         if (!(hDlgTmpl = LoadResource((HINSTANCE)lpChCol->hInstance, hResInfo)) ||
1301             !(template = LockResource(hDlgTmpl)))
1302         {
1303             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1304             return FALSE;
1305         }
1306     }
1307     else
1308     {
1309         HRSRC hResInfo;
1310         HGLOBAL hDlgTmpl;
1311         static const WCHAR wszCHOOSE_COLOR[] = {'C','H','O','O','S','E','_','C','O','L','O','R',0};
1312         if (!(hResInfo = FindResourceW(COMDLG32_hInstance, wszCHOOSE_COLOR, (LPWSTR)RT_DIALOG)))
1313         {
1314             COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
1315             return FALSE;
1316         }
1317         if (!(hDlgTmpl = LoadResource(COMDLG32_hInstance, hResInfo )) ||
1318             !(template = LockResource(hDlgTmpl)))
1319         {
1320             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1321             return FALSE;
1322         }
1323     }
1324
1325     bRet = DialogBoxIndirectParamW(COMDLG32_hInstance, template, lpChCol->hwndOwner,
1326                      ColorDlgProc, (LPARAM)lpChCol);
1327     return bRet;
1328 }
1329
1330 /***********************************************************************
1331  *            ChooseColorA  (COMDLG32.@)
1332  *
1333  * See ChooseColorW.
1334  */
1335 BOOL WINAPI ChooseColorA( LPCHOOSECOLORA lpChCol )
1336
1337 {
1338   LPWSTR template_name = NULL;
1339   BOOL ret;
1340
1341   LPCHOOSECOLORW lpcc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CHOOSECOLORW));
1342   lpcc->lStructSize = sizeof(*lpcc);
1343   lpcc->hwndOwner = lpChCol->hwndOwner;
1344   lpcc->hInstance = lpChCol->hInstance;
1345   lpcc->rgbResult = lpChCol->rgbResult;
1346   lpcc->lpCustColors = lpChCol->lpCustColors;
1347   lpcc->Flags = lpChCol->Flags;
1348   lpcc->lCustData = lpChCol->lCustData;
1349   lpcc->lpfnHook = lpChCol->lpfnHook;
1350   if ((lpcc->Flags & CC_ENABLETEMPLATE) && (lpChCol->lpTemplateName)) {
1351       if (HIWORD(lpChCol->lpTemplateName)) {
1352           INT len = MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, NULL, 0);
1353           template_name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1354           MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, template_name, len );
1355           lpcc->lpTemplateName = template_name;
1356       } else {
1357           lpcc->lpTemplateName = (LPCWSTR)lpChCol->lpTemplateName;
1358       }
1359   }
1360
1361   ret = ChooseColorW(lpcc);
1362
1363   if (ret)
1364       lpChCol->rgbResult = lpcc->rgbResult;
1365   HeapFree(GetProcessHeap(), 0, template_name);
1366   HeapFree(GetProcessHeap(), 0, lpcc);
1367   return ret;
1368 }