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 } *LCCPRIV;
  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( LCCPRIV 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( LCCPRIV 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( LCCPRIV 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( LCCPRIV 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  HWND hwnd = GetDlgItem(hDlg, 0x2be);
 467  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 468
 469  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6)))   /* if full size */
 470  {
 471    GetClientRect(hwnd, &rect);
 472    height = rect.bottom;
 473    hDC = GetDC(hDlg);
 474    points[0].y = rect.top;
 475    points[0].x = rect.right;     /*  |  /|  */
 476    ClientToScreen(hwnd, points); /*  | / |  */
 477    ScreenToClient(hDlg, points); /*  |<  |  */
 478    oben = points[0].y;           /*  | \ |  */
 479                                  /*  |  \|  */
 480    temp = (long)height * (long)y;
 481    points[0].y = oben + height - temp / (long)MAXVERT;
 482    points[1].y = points[0].y + w;
 483    points[2].y = points[0].y - w;
 484    points[2].x = points[1].x = points[0].x + w;
 485
 486    FillRect(hDC, &lpp->old3angle, (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND));
 487    lpp->old3angle.left  = points[0].x;
 488    lpp->old3angle.right = points[1].x + 1;
 489    lpp->old3angle.top   = points[2].y - 1;
 490    lpp->old3angle.bottom= points[1].y + 1;
 491    Polygon(hDC, points, 3);
 492    ReleaseDC(hDlg, hDC);
 493  }
 494 }
 495
 496
 497 /***********************************************************************
 498  *                    CC_PaintCross                           [internal]
 499  */
 500 void CC_PaintCross( HWND hDlg, int x, int y)
 501 {
 502  HDC hDC;
 503  int w = GetDialogBaseUnits();
 504  HWND hwnd = GetDlgItem(hDlg, 0x2c6);
 505  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 506  RECT rect;
 507  POINT point, p;
 508  HPEN hPen;
 509
 510  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 511  {
 512    GetClientRect(hwnd, &rect);
 513    hDC = GetDC(hwnd);
 514    SelectClipRgn( hDC, CreateRectRgnIndirect(&rect));
 515    hPen = CreatePen(PS_SOLID, 2, 0xffffff); /* -white- color */
 516    hPen = SelectObject(hDC, hPen);
 517    point.x = ((long)rect.right * (long)x) / (long)MAXHORI;
 518    point.y = rect.bottom - ((long)rect.bottom * (long)y) / (long)MAXVERT;
 519    if ( lpp->oldcross.left != lpp->oldcross.right )
 520      BitBlt(hDC, lpp->oldcross.left, lpp->oldcross.top,
 521               lpp->oldcross.right - lpp->oldcross.left,
 522               lpp->oldcross.bottom - lpp->oldcross.top,
 523               lpp->hdcMem, lpp->oldcross.left, lpp->oldcross.top, SRCCOPY);
 524    lpp->oldcross.left   = point.x - w - 1;
 525    lpp->oldcross.right  = point.x + w + 1;
 526    lpp->oldcross.top    = point.y - w - 1;
 527    lpp->oldcross.bottom = point.y + w + 1;
 528
 529    MoveToEx(hDC, point.x - w, point.y, &p);
 530    LineTo(hDC, point.x + w, point.y);
 531    MoveToEx(hDC, point.x, point.y - w, &p);
 532    LineTo(hDC, point.x, point.y + w);
 533    DeleteObject( SelectObject(hDC, hPen)) ;
 534    ReleaseDC(hwnd, hDC);
 535  }
 536 }
 537
 538
 539 #define XSTEPS 48
 540 #define YSTEPS 24
 541
 542
 543 /***********************************************************************
 544  *                    CC_PrepareColorGraph                    [internal]
 545  */
 546 static void CC_PrepareColorGraph( HWND hDlg )
 547 {
 548  int sdif, hdif, xdif, ydif, r, g, b, hue, sat;
 549  HWND hwnd = GetDlgItem(hDlg, 0x2c6);
 550  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 551  HBRUSH hbrush;
 552  HDC hdc ;
 553  RECT rect, client;
 554  HCURSOR hcursor = SetCursor( LoadCursorW(0, (LPCWSTR)IDC_WAIT) );
 555
 556  GetClientRect(hwnd, &client);
 557  hdc = GetDC(hwnd);
 558  lpp->hdcMem = CreateCompatibleDC(hdc);
 559  lpp->hbmMem = CreateCompatibleBitmap(hdc, client.right, client.bottom);
 560  SelectObject(lpp->hdcMem, lpp->hbmMem);
 561
 562  xdif = client.right / XSTEPS;
 563  ydif = client.bottom / YSTEPS+1;
 564  hdif = 239 / XSTEPS;
 565  sdif = 240 / YSTEPS;
 566  for (rect.left = hue = 0; hue < 239 + hdif; hue += hdif)
 567  {
 568   rect.right = rect.left + xdif;
 569   rect.bottom = client.bottom;
 570   for(sat = 0; sat < 240 + sdif; sat += sdif)
 571   {
 572    rect.top = rect.bottom - ydif;
 573    r = CC_HSLtoRGB('R', hue, sat, 120);
 574    g = CC_HSLtoRGB('G', hue, sat, 120);
 575    b = CC_HSLtoRGB('B', hue, sat, 120);
 576    hbrush = CreateSolidBrush( RGB(r, g, b));
 577    FillRect(lpp->hdcMem, &rect, hbrush);
 578    DeleteObject(hbrush);
 579    rect.bottom = rect.top;
 580   }
 581   rect.left = rect.right;
 582  }
 583  ReleaseDC(hwnd, hdc);
 584  SetCursor(hcursor);
 585 }
 586
 587 /***********************************************************************
 588  *                          CC_PaintColorGraph                [internal]
 589  */
 590 static void CC_PaintColorGraph( HWND hDlg )
 591 {
 592  HWND hwnd = GetDlgItem( hDlg, 0x2c6 );
 593  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 594  HDC  hDC;
 595  RECT rect;
 596  if (IsWindowVisible(hwnd))   /* if full size */
 597  {
 598   if (!lpp->hdcMem)
 599    CC_PrepareColorGraph(hDlg);   /* should not be necessary */
 600
 601   hDC = GetDC(hwnd);
 602   GetClientRect(hwnd, &rect);
 603   if (lpp->hdcMem)
 604       BitBlt(hDC, 0, 0, rect.right, rect.bottom, lpp->hdcMem, 0, 0, SRCCOPY);
 605   else
 606       WARN("choose color: hdcMem is not defined\n");
 607   ReleaseDC(hwnd, hDC);
 608  }
 609 }
 610
 611 /***********************************************************************
 612  *                           CC_PaintLumBar                   [internal]
 613  */
 614 static void CC_PaintLumBar( HWND hDlg, int hue, int sat )
 615 {
 616  HWND hwnd = GetDlgItem(hDlg, 0x2be);
 617  RECT rect, client;
 618  int lum, ldif, ydif, r, g, b;
 619  HBRUSH hbrush;
 620  HDC hDC;
 621
 622  if (IsWindowVisible(hwnd))
 623  {
 624   hDC = GetDC(hwnd);
 625   GetClientRect(hwnd, &client);
 626   rect = client;
 627
 628   ldif = 240 / YSTEPS;
 629   ydif = client.bottom / YSTEPS+1;
 630   for (lum = 0; lum < 240 + ldif; lum += ldif)
 631   {
 632    rect.top = max(0, rect.bottom - ydif);
 633    r = CC_HSLtoRGB('R', hue, sat, lum);
 634    g = CC_HSLtoRGB('G', hue, sat, lum);
 635    b = CC_HSLtoRGB('B', hue, sat, lum);
 636    hbrush = CreateSolidBrush( RGB(r, g, b) );
 637    FillRect(hDC, &rect, hbrush);
 638    DeleteObject(hbrush);
 639    rect.bottom = rect.top;
 640   }
 641   GetClientRect(hwnd, &rect);
 642   FrameRect(hDC, &rect, GetStockObject(BLACK_BRUSH) );
 643   ReleaseDC(hwnd, hDC);
 644  }
 645 }
 646
 647 /***********************************************************************
 648  *                             CC_EditSetRGB                  [internal]
 649  */
 650 void CC_EditSetRGB( HWND hDlg, COLORREF cr )
 651 {
 652  char buffer[10];
 653  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 654  int r = GetRValue(cr);
 655  int g = GetGValue(cr);
 656  int b = GetBValue(cr);
 657  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 658  {
 659    lpp->updating = TRUE;
 660    sprintf(buffer, "%d", r);
 661    SetWindowTextA( GetDlgItem(hDlg, 0x2c2), buffer);
 662    sprintf(buffer, "%d", g);
 663    SetWindowTextA( GetDlgItem(hDlg, 0x2c3), buffer);
 664    sprintf( buffer, "%d", b );
 665    SetWindowTextA( GetDlgItem(hDlg, 0x2c4),buffer);
 666    lpp->updating = FALSE;
 667  }
 668 }
 669
 670 /***********************************************************************
 671  *                             CC_EditSetHSL                  [internal]
 672  */
 673 void CC_EditSetHSL( HWND hDlg, int h, int s, int l )
 674 {
 675  char buffer[10];
 676  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 677
 678  if (IsWindowVisible( GetDlgItem(hDlg, 0x2c6) ))   /* if full size */
 679  {
 680    lpp->updating = TRUE;
 681    sprintf(buffer, "%d", h);
 682    SetWindowTextA( GetDlgItem(hDlg, 0x2bf), buffer);
 683    sprintf(buffer, "%d", s);
 684    SetWindowTextA( GetDlgItem(hDlg, 0x2c0), buffer);
 685    sprintf(buffer, "%d", l);
 686    SetWindowTextA( GetDlgItem(hDlg, 0x2c1), buffer);
 687    lpp->updating = FALSE;
 688  }
 689  CC_PaintLumBar(hDlg, h, s);
 690 }
 691
 692 /***********************************************************************
 693  *                       CC_SwitchToFullSize                  [internal]
 694  */
 695 void CC_SwitchToFullSize( HWND hDlg, COLORREF result, LPRECT lprect )
 696 {
 697  int i;
 698  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 699
 700  EnableWindow( GetDlgItem(hDlg, 0x2cf), FALSE);
 701  CC_PrepareColorGraph(hDlg);
 702  for (i = 0x2bf; i < 0x2c5; i++)
 703    ShowWindow( GetDlgItem(hDlg, i), SW_SHOW);
 704  for (i = 0x2d3; i < 0x2d9; i++)
 705    ShowWindow( GetDlgItem(hDlg, i), SW_SHOW);
 706  ShowWindow( GetDlgItem(hDlg, 0x2c9), SW_SHOW);
 707  ShowWindow( GetDlgItem(hDlg, 0x2c8), SW_SHOW);
 708  ShowWindow( GetDlgItem(hDlg, 1090), SW_SHOW);
 709
 710  if (lprect)
 711   SetWindowPos(hDlg, 0, 0, 0, lprect->right-lprect->left,
 712    lprect->bottom-lprect->top, SWP_NOMOVE|SWP_NOZORDER);
 713
 714  ShowWindow( GetDlgItem(hDlg, 0x2be), SW_SHOW);
 715  ShowWindow( GetDlgItem(hDlg, 0x2c5), SW_SHOW);
 716
 717  CC_EditSetRGB(hDlg, result);
 718  CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
 719  ShowWindow( GetDlgItem( hDlg, 0x2c6), SW_SHOW);
 720  UpdateWindow( GetDlgItem(hDlg, 0x2c6) );
 721 }
 722
 723 /***********************************************************************
 724  *                           CC_PaintPredefColorArray         [internal]
 725  *                Paints the default standard 48 colors
 726  */
 727 static void CC_PaintPredefColorArray( HWND hDlg, int rows, int cols)
 728 {
 729  HWND hwnd = GetDlgItem(hDlg, 0x2d0);
 730  RECT rect;
 731  HDC  hdc;
 732  HBRUSH hBrush;
 733  int dx, dy, i, j, k;
 734  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 735
 736  GetClientRect(hwnd, &rect);
 737  dx = rect.right / cols;
 738  dy = rect.bottom / rows;
 739  k = rect.left;
 740
 741  hdc = GetDC(hwnd);
 742  GetClientRect(hwnd, &rect);
 743  FillRect(hdc, &rect, (HBRUSH)GetClassLongPtrW(hwnd, GCLP_HBRBACKGROUND));
 744  for ( j = 0; j < rows; j++ )
 745  {
 746   for ( i = 0; i < cols; i++ )
 747   {
 748    hBrush = CreateSolidBrush(predefcolors[j][i]);
 749    if (hBrush)
 750    {
 751     hBrush = SelectObject(hdc, hBrush);
 752     Rectangle(hdc, rect.left, rect.top,
 753                 rect.left + dx - DISTANCE, rect.top + dy - DISTANCE);
 754     rect.left = rect.left + dx;
 755     DeleteObject(SelectObject(hdc, hBrush)) ;
 756    }
 757   }
 758   rect.top = rect.top + dy;
 759   rect.left = k;
 760  }
 761  ReleaseDC(hwnd, hdc);
 762  if (lpp->hwndFocus == hwnd)
 763    CC_DrawCurrentFocusRect(lpp);
 764 }
 765 /***********************************************************************
 766  *                             CC_PaintUserColorArray         [internal]
 767  *               Paint the 16 user-selected colors
 768  */
 769 void CC_PaintUserColorArray( HWND hDlg, int rows, int cols, COLORREF* lpcr )
 770 {
 771  HWND hwnd = GetDlgItem(hDlg, 0x2d1);
 772  RECT rect;
 773  HDC  hdc;
 774  HBRUSH hBrush;
 775  int dx, dy, i, j, k;
 776  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 777
 778  GetClientRect(hwnd, &rect);
 779
 780  dx = rect.right / cols;
 781  dy = rect.bottom / rows;
 782  k = rect.left;
 783
 784  hdc = GetDC(hwnd);
 785  if (hdc)
 786  {
 787   FillRect(hdc, &rect, (HBRUSH)GetClassLongPtrW(hwnd, GCLP_HBRBACKGROUND) );
 788   for (j = 0; j < rows; j++)
 789   {
 790    for (i = 0; i < cols; i++)
 791    {
 792     hBrush = CreateSolidBrush(lpcr[i+j*cols]);
 793     if (hBrush)
 794     {
 795      hBrush = SelectObject(hdc, hBrush) ;
 796      Rectangle(hdc, rect.left, rect.top,
 797                   rect.left + dx - DISTANCE, rect.top + dy - DISTANCE);
 798      rect.left = rect.left + dx;
 799      DeleteObject( SelectObject(hdc, hBrush) ) ;
 800     }
 801    }
 802    rect.top = rect.top + dy;
 803    rect.left = k;
 804   }
 805   ReleaseDC(hwnd, hdc);
 806  }
 807  if (lpp->hwndFocus == hwnd)
 808    CC_DrawCurrentFocusRect(lpp);
 809 }
 810
 811
 812
 813 /***********************************************************************
 814  *                             CC_HookCallChk                 [internal]
 815  */
 816 BOOL CC_HookCallChk( LPCHOOSECOLORW lpcc )
 817 {
 818  if (lpcc)
 819   if(lpcc->Flags & CC_ENABLEHOOK)
 820    if (lpcc->lpfnHook)
 821     return TRUE;
 822  return FALSE;
 823 }
 824
 825 /***********************************************************************
 826  *                              CC_WMInitDialog                  [internal]
 827  */
 828 static LONG CC_WMInitDialog( HWND hDlg, WPARAM wParam, LPARAM lParam )
 829 {
 830    int i, res;
 831    int r, g, b;
 832    HWND hwnd;
 833    RECT rect;
 834    POINT point;
 835    LCCPRIV lpp;
 836
 837    TRACE("WM_INITDIALOG lParam=%08lX\n", lParam);
 838    lpp = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct CCPRIVATE) );
 839
 840    lpp->lpcc = (LPCHOOSECOLORW) lParam;
 841    if (lpp->lpcc->lStructSize != sizeof(CHOOSECOLORW) )
 842    {
 843        HeapFree(GetProcessHeap(), 0, lpp);
 844        EndDialog (hDlg, 0) ;
 845        return FALSE;
 846    }
 847
 848    SetPropW( hDlg, szColourDialogProp, lpp );
 849
 850    if (!(lpp->lpcc->Flags & CC_SHOWHELP))
 851       ShowWindow( GetDlgItem(hDlg,0x40e), SW_HIDE);
 852    lpp->msetrgb = RegisterWindowMessageA(SETRGBSTRINGA);
 853
 854 #if 0
 855    cpos = MAKELONG(5,7); /* init */
 856    if (lpp->lpcc->Flags & CC_RGBINIT)
 857    {
 858      for (i = 0; i < 6; i++)
 859        for (j = 0; j < 8; j++)
 860         if (predefcolors[i][j] == lpp->lpcc->rgbResult)
 861         {
 862           cpos = MAKELONG(i,j);
 863           goto found;
 864         }
 865    }
 866    found:
 867    /* FIXME: Draw_a_focus_rect & set_init_values */
 868 #endif
 869
 870    GetWindowRect(hDlg, &lpp->fullsize);
 871    if (lpp->lpcc->Flags & CC_FULLOPEN || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
 872    {
 873       hwnd = GetDlgItem(hDlg, 0x2cf);
 874       EnableWindow(hwnd, FALSE);
 875    }
 876    if (!(lpp->lpcc->Flags & CC_FULLOPEN ) || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
 877    {
 878       rect = lpp->fullsize;
 879       res = rect.bottom - rect.top;
 880       hwnd = GetDlgItem(hDlg, 0x2c6); /* cut at left border */
 881       point.x = point.y = 0;
 882       ClientToScreen(hwnd, &point);
 883       ScreenToClient(hDlg,&point);
 884       GetClientRect(hDlg, &rect);
 885       point.x += GetSystemMetrics(SM_CXDLGFRAME);
 886       SetWindowPos(hDlg, 0, 0, 0, point.x, res, SWP_NOMOVE|SWP_NOZORDER);
 887
 888       for (i = 0x2bf; i < 0x2c5; i++)
 889          ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
 890       for (i = 0x2d3; i < 0x2d9; i++)
 891          ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
 892       ShowWindow( GetDlgItem(hDlg, 0x2c9), SW_HIDE);
 893       ShowWindow( GetDlgItem(hDlg, 0x2c8), SW_HIDE);
 894       ShowWindow( GetDlgItem(hDlg, 0x2c6), SW_HIDE);
 895       ShowWindow( GetDlgItem(hDlg, 0x2c5), SW_HIDE);
 896       ShowWindow( GetDlgItem(hDlg, 1090 ), SW_HIDE);
 897    }
 898    else
 899       CC_SwitchToFullSize(hDlg, lpp->lpcc->rgbResult, NULL);
 900    res = TRUE;
 901    for (i = 0x2bf; i < 0x2c5; i++)
 902      SendMessageA( GetDlgItem(hDlg, i), EM_LIMITTEXT, 3, 0);  /* max 3 digits:  xyz  */
 903    if (CC_HookCallChk(lpp->lpcc))
 904    {
 905           res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, WM_INITDIALOG, wParam, lParam);
 906    }
 907
 908    /* Set the initial values of the color chooser dialog */
 909    r = GetRValue(lpp->lpcc->rgbResult);
 910    g = GetGValue(lpp->lpcc->rgbResult);
 911    b = GetBValue(lpp->lpcc->rgbResult);
 912
 913    CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
 914    lpp->h = CC_RGBtoHSL('H', r, g, b);
 915    lpp->s = CC_RGBtoHSL('S', r, g, b);
 916    lpp->l = CC_RGBtoHSL('L', r, g, b);
 917
 918    /* Doing it the long way because CC_EditSetRGB/HSL doesn't seem to work */
 919    SetDlgItemInt(hDlg, 703, lpp->h, TRUE);
 920    SetDlgItemInt(hDlg, 704, lpp->s, TRUE);
 921    SetDlgItemInt(hDlg, 705, lpp->l, TRUE);
 922    SetDlgItemInt(hDlg, 706, r, TRUE);
 923    SetDlgItemInt(hDlg, 707, g, TRUE);
 924    SetDlgItemInt(hDlg, 708, b, TRUE);
 925
 926    CC_PaintCross(hDlg, lpp->h, lpp->s);
 927    CC_PaintTriangle(hDlg, lpp->l);
 928
 929    return res;
 930 }
 931
 932
 933 /***********************************************************************
 934  *                              CC_WMCommand                  [internal]
 935  */
 936 LRESULT CC_WMCommand( HWND hDlg, WPARAM wParam, LPARAM lParam, WORD notifyCode, HWND hwndCtl )
 937 {
 938     int  r, g, b, i, xx;
 939     UINT cokmsg;
 940     HDC hdc;
 941     COLORREF *cr;
 942     LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
 943     TRACE("CC_WMCommand wParam=%x lParam=%lx\n", wParam, lParam);
 944     switch (LOWORD(wParam))
 945     {
 946           case 0x2c2:  /* edit notify RGB */
 947           case 0x2c3:
 948           case 0x2c4:
 949                if (notifyCode == EN_UPDATE && !lpp->updating)
 950                          {
 951                            i = CC_CheckDigitsInEdit(hwndCtl, 255);
 952                            r = GetRValue(lpp->lpcc->rgbResult);
 953                            g = GetGValue(lpp->lpcc->rgbResult);
 954                            b= GetBValue(lpp->lpcc->rgbResult);
 955                            xx = 0;
 956                            switch (LOWORD(wParam))
 957                            {
 958                             case 0x2c2: if ((xx = (i != r))) r = i; break;
 959                             case 0x2c3: if ((xx = (i != g))) g = i; break;
 960                             case 0x2c4: if ((xx = (i != b))) b = i; break;
 961                            }
 962                            if (xx) /* something has changed */
 963                            {
 964                             lpp->lpcc->rgbResult = RGB(r, g, b);
 965                             CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
 966                             lpp->h = CC_RGBtoHSL('H', r, g, b);
 967                             lpp->s = CC_RGBtoHSL('S', r, g, b);
 968                             lpp->l = CC_RGBtoHSL('L', r, g, b);
 969                             CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
 970                             CC_PaintCross(hDlg, lpp->h, lpp->s);
 971                             CC_PaintTriangle(hDlg, lpp->l);
 972                            }
 973                          }
 974                  break;
 975
 976           case 0x2bf:  /* edit notify HSL */
 977           case 0x2c0:
 978           case 0x2c1:
 979                if (notifyCode == EN_UPDATE && !lpp->updating)
 980                          {
 981                            i = CC_CheckDigitsInEdit(hwndCtl , LOWORD(wParam) == 0x2bf ? 239:240);
 982                            xx = 0;
 983                            switch (LOWORD(wParam))
 984                            {
 985                             case 0x2bf: if ((xx = ( i != lpp->h))) lpp->h = i; break;
 986                             case 0x2c0: if ((xx = ( i != lpp->s))) lpp->s = i; break;
 987                             case 0x2c1: if ((xx = ( i != lpp->l))) lpp->l = i; break;
 988                            }
 989                            if (xx) /* something has changed */
 990                            {
 991                             r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
 992                             g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
 993                             b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
 994                             lpp->lpcc->rgbResult = RGB(r, g, b);
 995                             CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
 996                             CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
 997                             CC_PaintCross(hDlg, lpp->h, lpp->s);
 998                             CC_PaintTriangle(hDlg, lpp->l);
 999                            }
1000                          }
1001                break;
1002
1003           case 0x2cf:
1004                CC_SwitchToFullSize(hDlg, lpp->lpcc->rgbResult, &lpp->fullsize);
1005                SetFocus( GetDlgItem(hDlg, 0x2bf));
1006                break;
1007
1008           case 0x2c8:    /* add colors ... column by column */
1009                cr = lpp->lpcc->lpCustColors;
1010                cr[(lpp->nextuserdef % 2) * 8 + lpp->nextuserdef / 2] = lpp->lpcc->rgbResult;
1011                if (++lpp->nextuserdef == 16)
1012                    lpp->nextuserdef = 0;
1013                CC_PaintUserColorArray(hDlg, 2, 8, lpp->lpcc->lpCustColors);
1014                break;
1015
1016           case 0x2c9:              /* resulting color */
1017                hdc = GetDC(hDlg);
1018                lpp->lpcc->rgbResult = GetNearestColor(hdc, lpp->lpcc->rgbResult);
1019                ReleaseDC(hDlg, hdc);
1020                CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1021                CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1022                r = GetRValue(lpp->lpcc->rgbResult);
1023                g = GetGValue(lpp->lpcc->rgbResult);
1024                b = GetBValue(lpp->lpcc->rgbResult);
1025                lpp->h = CC_RGBtoHSL('H', r, g, b);
1026                lpp->s = CC_RGBtoHSL('S', r, g, b);
1027                lpp->l = CC_RGBtoHSL('L', r, g, b);
1028                CC_EditSetHSL(hDlg, lpp->h, lpp->s, lpp->l);
1029                CC_PaintCross(hDlg, lpp->h, lpp->s);
1030                CC_PaintTriangle(hDlg, lpp->l);
1031                break;
1032
1033           case 0x40e:           /* Help! */ /* The Beatles, 1965  ;-) */
1034                i = RegisterWindowMessageA(HELPMSGSTRINGA);
1035                    if (lpp->lpcc->hwndOwner)
1036                        SendMessageA(lpp->lpcc->hwndOwner, i, 0, (LPARAM)lpp->lpcc);
1037                    if ( CC_HookCallChk(lpp->lpcc))
1038                        CallWindowProcA( (WNDPROC) lpp->lpcc->lpfnHook, hDlg,
1039                           WM_COMMAND, psh15, (LPARAM)lpp->lpcc);
1040                break;
1041
1042           case IDOK :
1043                 cokmsg = RegisterWindowMessageA(COLOROKSTRINGA);
1044                     if (lpp->lpcc->hwndOwner)
1045                         if (SendMessageA(lpp->lpcc->hwndOwner, cokmsg, 0, (LPARAM)lpp->lpcc))
1046                         break;    /* do NOT close */
1047                 EndDialog(hDlg, 1) ;
1048                 return TRUE ;
1049
1050           case IDCANCEL :
1051                 EndDialog(hDlg, 0) ;
1052                 return TRUE ;
1053
1054        }
1055        return FALSE;
1056 }
1057
1058 /***********************************************************************
1059  *                              CC_WMPaint                    [internal]
1060  */
1061 LRESULT CC_WMPaint( HWND hDlg, WPARAM wParam, LPARAM lParam )
1062 {
1063     PAINTSTRUCT ps;
1064     LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
1065
1066     BeginPaint(hDlg, &ps);
1067     /* we have to paint dialog children except text and buttons */
1068     CC_PaintPredefColorArray(hDlg, 6, 8);
1069     CC_PaintUserColorArray(hDlg, 2, 8, lpp->lpcc->lpCustColors);
1070     CC_PaintLumBar(hDlg, lpp->h, lpp->s);
1071     CC_PaintCross(hDlg, lpp->h, lpp->s);
1072     CC_PaintTriangle(hDlg, lpp->l);
1073     CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1074     CC_PaintColorGraph(hDlg);
1075     EndPaint(hDlg, &ps);
1076
1077     return TRUE;
1078 }
1079
1080 /***********************************************************************
1081  *                              CC_WMLButtonUp              [internal]
1082  */
1083 LRESULT CC_WMLButtonUp( HWND hDlg, WPARAM wParam, LPARAM lParam )
1084 {
1085    LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
1086    if (lpp->capturedGraph)
1087    {
1088        lpp->capturedGraph = 0;
1089        ReleaseCapture();
1090        CC_PaintCross(hDlg, lpp->h, lpp->s);
1091        return 1;
1092    }
1093    return 0;
1094 }
1095
1096 /***********************************************************************
1097  *                              CC_WMMouseMove              [internal]
1098  */
1099 LRESULT CC_WMMouseMove( HWND hDlg, LPARAM lParam )
1100 {
1101    LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
1102    int r, g, b;
1103
1104    if (lpp->capturedGraph)
1105    {
1106       int *ptrh = NULL, *ptrs = &lpp->l;
1107       if (lpp->capturedGraph == 0x2c6)
1108       {
1109           ptrh = &lpp->h;
1110           ptrs = &lpp->s;
1111       }
1112       if (CC_MouseCheckColorGraph( hDlg, lpp->capturedGraph, ptrh, ptrs, lParam))
1113       {
1114           r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
1115           g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
1116           b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
1117           lpp->lpcc->rgbResult = RGB(r, g, b);
1118           CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1119           CC_EditSetHSL(hDlg,lpp->h, lpp->s, lpp->l);
1120           CC_PaintCross(hDlg, lpp->h, lpp->s);
1121           CC_PaintTriangle(hDlg, lpp->l);
1122           CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1123       }
1124       else
1125       {
1126           ReleaseCapture();
1127           lpp->capturedGraph = 0;
1128       }
1129       return 1;
1130    }
1131    return 0;
1132 }
1133
1134 /***********************************************************************
1135  *                              CC_WMLButtonDown              [internal]
1136  */
1137 LRESULT CC_WMLButtonDown( HWND hDlg, WPARAM wParam, LPARAM lParam )
1138 {
1139    LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
1140    int r, g, b, i;
1141    i = 0;
1142
1143    if (CC_MouseCheckPredefColorArray(lpp, hDlg, 0x2d0, 6, 8, lParam))
1144       i = 1;
1145    else
1146       if (CC_MouseCheckUserColorArray(lpp, hDlg, 0x2d1, 2, 8, lParam))
1147          i = 1;
1148       else
1149          if (CC_MouseCheckColorGraph(hDlg, 0x2c6, &lpp->h, &lpp->s, lParam))
1150          {
1151             i = 2;
1152             lpp->capturedGraph = 0x2c6;
1153          }
1154          else
1155             if (CC_MouseCheckColorGraph(hDlg, 0x2be, NULL, &lpp->l, lParam))
1156             {
1157                i = 2;
1158                lpp->capturedGraph = 0x2be;
1159             }
1160    if ( i == 2 )
1161    {
1162       SetCapture(hDlg);
1163       r = CC_HSLtoRGB('R', lpp->h, lpp->s, lpp->l);
1164       g = CC_HSLtoRGB('G', lpp->h, lpp->s, lpp->l);
1165       b = CC_HSLtoRGB('B', lpp->h, lpp->s, lpp->l);
1166       lpp->lpcc->rgbResult = RGB(r, g, b);
1167    }
1168    if ( i == 1 )
1169    {
1170       r = GetRValue(lpp->lpcc->rgbResult);
1171       g = GetGValue(lpp->lpcc->rgbResult);
1172       b = GetBValue(lpp->lpcc->rgbResult);
1173       lpp->h = CC_RGBtoHSL('H', r, g, b);
1174       lpp->s = CC_RGBtoHSL('S', r, g, b);
1175       lpp->l = CC_RGBtoHSL('L', r, g, b);
1176    }
1177    if (i)
1178    {
1179       CC_EditSetRGB(hDlg, lpp->lpcc->rgbResult);
1180       CC_EditSetHSL(hDlg,lpp->h, lpp->s, lpp->l);
1181       CC_PaintCross(hDlg, lpp->h, lpp->s);
1182       CC_PaintTriangle(hDlg, lpp->l);
1183       CC_PaintSelectedColor(hDlg, lpp->lpcc->rgbResult);
1184       return TRUE;
1185    }
1186    return FALSE;
1187 }
1188
1189 /***********************************************************************
1190  *           ColorDlgProc32 [internal]
1191  *
1192  */
1193 static INT_PTR CALLBACK ColorDlgProc( HWND hDlg, UINT message,
1194                                    WPARAM wParam, LPARAM lParam )
1195 {
1196
1197  int res;
1198  LCCPRIV lpp = (LCCPRIV) GetPropW( hDlg, szColourDialogProp );
1199  if (message != WM_INITDIALOG)
1200  {
1201   if (!lpp)
1202      return FALSE;
1203   res = 0;
1204   if (CC_HookCallChk(lpp->lpcc))
1205      res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, message, wParam, lParam);
1206   if ( res )
1207      return res;
1208  }
1209
1210  /* FIXME: SetRGB message
1211  if (message && message == msetrgb)
1212     return HandleSetRGB(hDlg, lParam);
1213  */
1214
1215  switch (message)
1216         {
1217           case WM_INITDIALOG:
1218                         return CC_WMInitDialog(hDlg, wParam, lParam);
1219           case WM_NCDESTROY:
1220                         DeleteDC(lpp->hdcMem);
1221                         DeleteObject(lpp->hbmMem);
1222                         HeapFree(GetProcessHeap(), 0, lpp);
1223                         RemovePropW( hDlg, szColourDialogProp );
1224                         break;
1225           case WM_COMMAND:
1226                         if (CC_WMCommand( hDlg, wParam, lParam, HIWORD(wParam), (HWND) lParam))
1227                            return TRUE;
1228                         break;
1229           case WM_PAINT:
1230                         if ( CC_WMPaint(hDlg, wParam, lParam))
1231                            return TRUE;
1232                         break;
1233           case WM_LBUTTONDBLCLK:
1234                         if (CC_MouseCheckResultWindow(hDlg, lParam))
1235                           return TRUE;
1236                         break;
1237           case WM_MOUSEMOVE:
1238                         if (CC_WMMouseMove(hDlg, lParam))
1239                           return TRUE;
1240                         break;
1241           case WM_LBUTTONUP:  /* FIXME: ClipCursor off (if in color graph)*/
1242                         if (CC_WMLButtonUp(hDlg, wParam, lParam))
1243                            return TRUE;
1244                         break;
1245           case WM_LBUTTONDOWN:/* FIXME: ClipCursor on  (if in color graph)*/
1246                         if (CC_WMLButtonDown(hDlg, wParam, lParam))
1247                            return TRUE;
1248                         break;
1249         }
1250      return FALSE ;
1251 }
1252
1253 /***********************************************************************
1254  *            ChooseColorW  (COMDLG32.@)
1255  *
1256  * Create a color dialog box.
1257  *
1258  * PARAMS
1259  *  lpChCol [I/O] in:  information to initialize the dialog box.
1260  *                out: User's color selection
1261  *
1262  * RETURNS
1263  *  TRUE:  Ok button clicked.
1264  *  FALSE: Cancel button clicked, or error.
1265  */
1266 BOOL WINAPI ChooseColorW( LPCHOOSECOLORW lpChCol )
1267 {
1268     HANDLE hDlgTmpl = 0;
1269     BOOL bRet = FALSE;
1270     LPCVOID template;
1271
1272     TRACE("ChooseColor\n");
1273     if (!lpChCol) return FALSE;
1274
1275     if (lpChCol->Flags & CC_ENABLETEMPLATEHANDLE)
1276     {
1277         if (!(template = LockResource(lpChCol->hInstance)))
1278         {
1279             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1280             return FALSE;
1281         }
1282     }
1283     else if (lpChCol->Flags & CC_ENABLETEMPLATE)
1284     {
1285         HRSRC hResInfo;
1286         if (!(hResInfo = FindResourceW((HINSTANCE)lpChCol->hInstance,
1287                                         lpChCol->lpTemplateName,
1288                                         (LPWSTR)RT_DIALOG)))
1289         {
1290             COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
1291             return FALSE;
1292         }
1293         if (!(hDlgTmpl = LoadResource((HINSTANCE)lpChCol->hInstance, hResInfo)) ||
1294             !(template = LockResource(hDlgTmpl)))
1295         {
1296             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1297             return FALSE;
1298         }
1299     }
1300     else
1301     {
1302         HRSRC hResInfo;
1303         HGLOBAL hDlgTmpl;
1304         static const WCHAR wszCHOOSE_COLOR[] = {'C','H','O','O','S','E','_','C','O','L','O','R',0};
1305         if (!(hResInfo = FindResourceW(COMDLG32_hInstance, wszCHOOSE_COLOR, (LPWSTR)RT_DIALOG)))
1306         {
1307             COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
1308             return FALSE;
1309         }
1310         if (!(hDlgTmpl = LoadResource(COMDLG32_hInstance, hResInfo )) ||
1311             !(template = LockResource(hDlgTmpl)))
1312         {
1313             COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
1314             return FALSE;
1315         }
1316     }
1317
1318     bRet = DialogBoxIndirectParamW(COMDLG32_hInstance, template, lpChCol->hwndOwner,
1319                      ColorDlgProc, (LPARAM)lpChCol);
1320     return bRet;
1321 }
1322
1323 /***********************************************************************
1324  *            ChooseColorA  (COMDLG32.@)
1325  *
1326  * See ChooseColorW.
1327  */
1328 BOOL WINAPI ChooseColorA( LPCHOOSECOLORA lpChCol )
1329
1330 {
1331   BOOL ret;
1332   LPCHOOSECOLORW lpcc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(CHOOSECOLORW));
1333   lpcc->lStructSize = sizeof(*lpcc);
1334   lpcc->hwndOwner = lpChCol->hwndOwner;
1335   lpcc->hInstance = lpChCol->hInstance;
1336   lpcc->rgbResult = lpChCol->rgbResult;
1337   lpcc->lpCustColors = lpChCol->lpCustColors;
1338   lpcc->Flags = lpChCol->Flags;
1339   lpcc->lCustData = lpChCol->lCustData;
1340   lpcc->lpfnHook = (LPCCHOOKPROC) lpChCol->lpfnHook;
1341   if ((lpcc->Flags & CC_ENABLETEMPLATE) && (lpChCol->lpTemplateName)) {
1342       if (HIWORD(lpChCol->lpTemplateName)) {
1343           INT len = MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, NULL, 0);
1344           lpcc->lpTemplateName = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) );
1345           MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, (LPWSTR)lpcc->lpTemplateName, len );
1346       } else {
1347           lpcc->lpTemplateName = (LPWSTR)lpChCol->lpTemplateName;
1348       }
1349   }
1350
1351   ret = ChooseColorW(lpcc);
1352
1353   if (ret)
1354       lpChCol->rgbResult = lpcc->rgbResult;
1355   if (HIWORD(lpcc->lpTemplateName)) HeapFree(GetProcessHeap(), 0, (LPSTR)lpcc->lpTemplateName);
1356   HeapFree(GetProcessHeap(), 0, lpcc);
1357   return ret;
1358 }