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Sweden-Number/dlls/comdlg32/colordlg.c

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/*
* COMMDLG - Color Dialog
*
* Copyright 1994 Martin Ayotte
* Copyright 1996 Albrecht Kleine
* Copyright 2019 Vijay Kiran Kamuju
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* BUGS : still seems to not refresh correctly
sometimes, especially when 2 instances of the
dialog are loaded at the same time */
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "colordlg.h"
#include "commdlg.h"
#include "dlgs.h"
#include "cderr.h"
#include "cdlg.h"
#include "wine/debug.h"
#include "wine/heap.h"
WINE_DEFAULT_DEBUG_CHANNEL(commdlg);
static INT_PTR CALLBACK ColorDlgProc( HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam );
#define CONV_LPARAMTOPOINT(lp,p) do { (p)->x = (short)LOWORD(lp); (p)->y = (short)HIWORD(lp); } while(0)
static const COLORREF predefcolors[6][8]=
{
{ 0x008080FFL, 0x0080FFFFL, 0x0080FF80L, 0x0080FF00L,
0x00FFFF80L, 0x00FF8000L, 0x00C080FFL, 0x00FF80FFL },
{ 0x000000FFL, 0x0000FFFFL, 0x0000FF80L, 0x0040FF00L,
0x00FFFF00L, 0x00C08000L, 0x00C08080L, 0x00FF00FFL },
{ 0x00404080L, 0x004080FFL, 0x0000FF00L, 0x00808000L,
0x00804000L, 0x00FF8080L, 0x00400080L, 0x008000FFL },
{ 0x00000080L, 0x000080FFL, 0x00008000L, 0x00408000L,
0x00FF0000L, 0x00A00000L, 0x00800080L, 0x00FF0080L },
{ 0x00000040L, 0x00004080L, 0x00004000L, 0x00404000L,
0x00800000L, 0x00400000L, 0x00400040L, 0x00800040L },
{ 0x00000000L, 0x00008080L, 0x00408080L, 0x00808080L,
0x00808040L, 0x00C0C0C0L, 0x00400040L, 0x00FFFFFFL },
};
/* Chose Color PRIVATE Structure:
*
* This structure is duplicated in the 16 bit code with
* an extra member
*/
typedef struct CCPRIVATE
{
LPCHOOSECOLORW lpcc; /* points to public known data structure */
HWND hwndSelf; /* dialog window */
int nextuserdef; /* next free place in user defined color array */
HDC hdcMem; /* color graph used for BitBlt() */
HBITMAP hbmMem; /* color graph bitmap */
RECT fullsize; /* original dialog window size */
UINT msetrgb; /* # of SETRGBSTRING message (today not used) */
RECT old3angle; /* last position of l-marker */
RECT oldcross; /* last position of color/saturation marker */
BOOL updating; /* to prevent recursive WM_COMMAND/EN_UPDATE processing */
int h;
int s;
int l; /* for temporary storing of hue,sat,lum */
int capturedGraph; /* control mouse captured */
RECT focusRect; /* rectangle last focused item */
HWND hwndFocus; /* handle last focused item */
} CCPRIV;
static int hsl_to_x(int hue, int sat, int lum)
{
int res = 0, maxrgb;
/* l below 120 */
maxrgb = (256 * min(120,lum)) / 120; /* 0 .. 256 */
if (hue < 80)
res = 0;
else
if (hue < 120)
{
res = (hue - 80) * maxrgb; /* 0...10240 */
res /= 40; /* 0...256 */
}
else
if (hue < 200)
res = maxrgb;
else
{
res= (240 - hue) * maxrgb;
res /= 40;
}
res = res - maxrgb / 2; /* -128...128 */
/* saturation */
res = maxrgb / 2 + (sat * res) / 240; /* 0..256 */
/* lum above 120 */
if (lum > 120 && res < 256)
res += ((lum - 120) * (256 - res)) / 120;
return min(res, 255);
}
/***********************************************************************
* CC_HSLtoRGB [internal]
*/
static COLORREF CC_HSLtoRGB(int hue, int sat, int lum)
{
int h, r, g, b;
/* r */
h = hue > 80 ? hue-80 : hue+160;
r = hsl_to_x(h, sat, lum);
/* g */
h = hue > 160 ? hue-160 : hue+80;
g = hsl_to_x(h, sat, lum);
/* b */
b = hsl_to_x(hue, sat, lum);
return RGB(r, g, b);
}
/***********************************************************************
* CC_RGBtoHSL [internal]
*/
static int CC_RGBtoHSL(char c, COLORREF rgb)
{
WORD maxi, mini, mmsum, mmdif, result = 0;
int iresult = 0, r, g, b;
r = GetRValue(rgb);
g = GetGValue(rgb);
b = GetBValue(rgb);
maxi = max(r, b);
maxi = max(maxi, g);
mini = min(r, b);
mini = min(mini, g);
mmsum = maxi + mini;
mmdif = maxi - mini;
switch(c)
{
/* lum */
case 'L': mmsum *= 120; /* 0...61200=(255+255)*120 */
result = mmsum / 255; /* 0...240 */
break;
/* saturation */
case 'S': if (!mmsum)
result = 0;
else
if (!mini || maxi == 255)
result = 240;
else
{
result = mmdif * 240; /* 0...61200=255*240 */
result /= (mmsum > 255 ? 510 - mmsum : mmsum); /* 0..255 */
}
break;
/* hue */
case 'H': if (!mmdif)
result = 160;
else
{
if (maxi == r)
{
iresult = 40 * (g - b); /* -10200 ... 10200 */
iresult /= (int) mmdif; /* -40 .. 40 */
if (iresult < 0)
iresult += 240; /* 0..40 and 200..240 */
}
else
if (maxi == g)
{
iresult = 40 * (b - r);
iresult /= (int) mmdif;
iresult += 80; /* 40 .. 120 */
}
else
if (maxi == b)
{
iresult = 40 * (r - g);
iresult /= (int) mmdif;
iresult += 160; /* 120 .. 200 */
}
result = iresult;
}
break;
}
return result; /* is this integer arithmetic precise enough ? */
}
/***********************************************************************
* CC_DrawCurrentFocusRect [internal]
*/
static void CC_DrawCurrentFocusRect( const CCPRIV *lpp )
{
if (lpp->hwndFocus)
{
HDC hdc = GetDC(lpp->hwndFocus);
DrawFocusRect(hdc, &lpp->focusRect);
ReleaseDC(lpp->hwndFocus, hdc);
}
}
/***********************************************************************
* CC_DrawFocusRect [internal]
*/
static void CC_DrawFocusRect(CCPRIV *lpp, HWND hwnd, int x, int y, int rows, int cols)
{
RECT rect;
int dx, dy;
HDC hdc;
CC_DrawCurrentFocusRect(lpp); /* remove current focus rect */
/* calculate new rect */
GetClientRect(hwnd, &rect);
dx = (rect.right - rect.left) / cols;
dy = (rect.bottom - rect.top) / rows;
rect.left += (x * dx) - 2;
rect.top += (y * dy) - 2;
rect.right = rect.left + dx;
rect.bottom = rect.top + dy;
/* draw it */
hdc = GetDC(hwnd);
DrawFocusRect(hdc, &rect);
lpp->focusRect = rect;
lpp->hwndFocus = hwnd;
ReleaseDC(hwnd, hdc);
}
#define DISTANCE 4
/***********************************************************************
* CC_MouseCheckPredefColorArray [internal]
* returns TRUE if one of the predefined colors is clicked
*/
static BOOL CC_MouseCheckPredefColorArray(CCPRIV *lpp, int rows, int cols, LPARAM lParam)
{
HWND hwnd;
POINT point;
RECT rect;
int dx, dy, x, y;
CONV_LPARAMTOPOINT(lParam, &point);
ClientToScreen(lpp->hwndSelf, &point);
hwnd = GetDlgItem(lpp->hwndSelf, COLOR_BOX1);
GetWindowRect(hwnd, &rect);
if (PtInRect(&rect, point))
{
dx = (rect.right - rect.left) / cols;
dy = (rect.bottom - rect.top) / rows;
ScreenToClient(hwnd, &point);
if (point.x % dx < ( dx - DISTANCE) && point.y % dy < ( dy - DISTANCE))
{
x = point.x / dx;
y = point.y / dy;
lpp->lpcc->rgbResult = predefcolors[y][x];
CC_DrawFocusRect(lpp, hwnd, x, y, rows, cols);
return TRUE;
}
}
return FALSE;
}
/***********************************************************************
* CC_MouseCheckUserColorArray [internal]
* return TRUE if the user clicked a color
*/
static BOOL CC_MouseCheckUserColorArray(CCPRIV *lpp, int rows, int cols, LPARAM lParam)
{
HWND hwnd;
POINT point;
RECT rect;
int dx, dy, x, y;
COLORREF *crarr = lpp->lpcc->lpCustColors;
CONV_LPARAMTOPOINT(lParam, &point);
ClientToScreen(lpp->hwndSelf, &point);
hwnd = GetDlgItem(lpp->hwndSelf, COLOR_CUSTOM1);
GetWindowRect(hwnd, &rect);
if (PtInRect(&rect, point))
{
dx = (rect.right - rect.left) / cols;
dy = (rect.bottom - rect.top) / rows;
ScreenToClient(hwnd, &point);
if (point.x % dx < (dx - DISTANCE) && point.y % dy < (dy - DISTANCE))
{
x = point.x / dx;
y = point.y / dy;
lpp->lpcc->rgbResult = crarr[x + (cols * y) ];
CC_DrawFocusRect(lpp, hwnd, x, y, rows, cols);
return TRUE;
}
}
return FALSE;
}
#define MAXVERT 240
#define MAXHORI 239
/* 240 ^...... ^^ 240
| . ||
SAT | . || LUM
| . ||
+-----> 239 ----
HUE
*/
/***********************************************************************
* CC_MouseCheckColorGraph [internal]
*/
static BOOL CC_MouseCheckColorGraph( HWND hDlg, int dlgitem, int *hori, int *vert, LPARAM lParam )
{
HWND hwnd;
POINT point;
RECT rect;
long x,y;
CONV_LPARAMTOPOINT(lParam, &point);
ClientToScreen(hDlg, &point);
hwnd = GetDlgItem( hDlg, dlgitem );
GetWindowRect(hwnd, &rect);
if (!PtInRect(&rect, point))
return FALSE;
GetClientRect(hwnd, &rect);
ScreenToClient(hwnd, &point);
x = (long) point.x * MAXHORI;
x /= rect.right;
y = (long) (rect.bottom - point.y) * MAXVERT;
y /= rect.bottom;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x > MAXHORI) x = MAXHORI;
if (y > MAXVERT) y = MAXVERT;
if (hori)
*hori = x;
if (vert)
*vert = y;
return TRUE;
}
/***********************************************************************
* CC_MouseCheckResultWindow [internal]
* test if double click one of the result colors
*/
static BOOL CC_MouseCheckResultWindow( HWND hDlg, LPARAM lParam )
{
HWND hwnd;
POINT point;
RECT rect;
CONV_LPARAMTOPOINT(lParam, &point);
ClientToScreen(hDlg, &point);
hwnd = GetDlgItem(hDlg, COLOR_CURRENT);
GetWindowRect(hwnd, &rect);
if (PtInRect(&rect, point))
{
PostMessageA(hDlg, WM_COMMAND, COLOR_SOLID, 0);
return TRUE;
}
return FALSE;
}
/***********************************************************************
* CC_CheckDigitsInEdit [internal]
*/
static int CC_CheckDigitsInEdit( HWND hwnd, int maxval )
{
int i, k, m, result, value;
long editpos;
char buffer[30];
GetWindowTextA(hwnd, buffer, ARRAY_SIZE(buffer));
m = strlen(buffer);
result = 0;
for (i = 0 ; i < m ; i++)
if (buffer[i] < '0' || buffer[i] > '9')
{
for (k = i + 1; k <= m; k++) /* delete bad character */
{
buffer[i] = buffer[k];
m--;
}
buffer[m] = 0;
result = 1;
}
value = atoi(buffer);
if (value > maxval) /* build a new string */
{
sprintf(buffer, "%d", maxval);
result = 2;
}
if (result)
{
editpos = SendMessageA(hwnd, EM_GETSEL, 0, 0);
SetWindowTextA(hwnd, buffer );
SendMessageA(hwnd, EM_SETSEL, 0, editpos);
}
return value;
}
/***********************************************************************
* CC_PaintSelectedColor [internal]
*/
static void CC_PaintSelectedColor(const CCPRIV *infoPtr)
{
if (IsWindowVisible( GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW) )) /* if full size */
{
RECT rect;
HDC hdc;
HBRUSH hBrush;
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_CURRENT);
hdc = GetDC(hwnd);
GetClientRect(hwnd, &rect) ;
hBrush = CreateSolidBrush(infoPtr->lpcc->rgbResult);
if (hBrush)
{
FillRect(hdc, &rect, hBrush);
DrawEdge(hdc, &rect, BDR_SUNKENOUTER, BF_RECT);
DeleteObject(hBrush);
}
ReleaseDC(hwnd, hdc);
}
}
/***********************************************************************
* CC_PaintTriangle [internal]
*/
static void CC_PaintTriangle(CCPRIV *infoPtr)
{
HDC hDC;
long temp;
int w = LOWORD(GetDialogBaseUnits()) / 2;
POINT points[3];
int height;
int oben;
RECT rect;
HBRUSH hbr;
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_LUMSCROLL);
if (IsWindowVisible( GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW))) /* if full size */
{
GetClientRect(hwnd, &rect);
height = rect.bottom;
hDC = GetDC(infoPtr->hwndSelf);
points[0].y = rect.top;
points[0].x = rect.right; /* | /| */
ClientToScreen(hwnd, points); /* | / | */
ScreenToClient(infoPtr->hwndSelf, points); /* |< | */
oben = points[0].y; /* | \ | */
/* | \| */
temp = (long)height * (long)infoPtr->l;
points[0].x += 1;
points[0].y = oben + height - temp / (long)MAXVERT;
points[1].y = points[0].y + w;
points[2].y = points[0].y - w;
points[2].x = points[1].x = points[0].x + w;
hbr = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
if (!hbr) hbr = GetSysColorBrush(COLOR_BTNFACE);
FillRect(hDC, &infoPtr->old3angle, hbr);
infoPtr->old3angle.left = points[0].x;
infoPtr->old3angle.right = points[1].x + 1;
infoPtr->old3angle.top = points[2].y - 1;
infoPtr->old3angle.bottom= points[1].y + 1;
hbr = SelectObject(hDC, GetStockObject(BLACK_BRUSH));
Polygon(hDC, points, 3);
SelectObject(hDC, hbr);
ReleaseDC(infoPtr->hwndSelf, hDC);
}
}
/***********************************************************************
* CC_PaintCross [internal]
*/
static void CC_PaintCross(CCPRIV *infoPtr)
{
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW);
if (IsWindowVisible(hwnd)) /* if full size */
{
HDC hDC;
int w = GetDialogBaseUnits() - 1;
int wc = GetDialogBaseUnits() * 3 / 4;
RECT rect;
POINT point, p;
HPEN hPen;
int x, y;
x = infoPtr->h;
y = infoPtr->s;
GetClientRect(hwnd, &rect);
hDC = GetDC(hwnd);
SelectClipRgn( hDC, CreateRectRgnIndirect(&rect));
point.x = ((long)rect.right * (long)x) / (long)MAXHORI;
point.y = rect.bottom - ((long)rect.bottom * (long)y) / (long)MAXVERT;
if ( infoPtr->oldcross.left != infoPtr->oldcross.right )
BitBlt(hDC, infoPtr->oldcross.left, infoPtr->oldcross.top,
infoPtr->oldcross.right - infoPtr->oldcross.left,
infoPtr->oldcross.bottom - infoPtr->oldcross.top,
infoPtr->hdcMem, infoPtr->oldcross.left, infoPtr->oldcross.top, SRCCOPY);
infoPtr->oldcross.left = point.x - w - 1;
infoPtr->oldcross.right = point.x + w + 1;
infoPtr->oldcross.top = point.y - w - 1;
infoPtr->oldcross.bottom = point.y + w + 1;
hPen = CreatePen(PS_SOLID, 3, RGB(0, 0, 0)); /* -black- color */
hPen = SelectObject(hDC, hPen);
MoveToEx(hDC, point.x - w, point.y, &p);
LineTo(hDC, point.x - wc, point.y);
MoveToEx(hDC, point.x + wc, point.y, &p);
LineTo(hDC, point.x + w, point.y);
MoveToEx(hDC, point.x, point.y - w, &p);
LineTo(hDC, point.x, point.y - wc);
MoveToEx(hDC, point.x, point.y + wc, &p);
LineTo(hDC, point.x, point.y + w);
DeleteObject( SelectObject(hDC, hPen));
ReleaseDC(hwnd, hDC);
}
}
#define XSTEPS 48
#define YSTEPS 24
/***********************************************************************
* CC_PrepareColorGraph [internal]
*/
static void CC_PrepareColorGraph(CCPRIV *infoPtr)
{
int sdif, hdif, xdif, ydif, hue, sat;
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW);
HBRUSH hbrush;
HDC hdc ;
RECT rect, client;
HCURSOR hcursor = SetCursor( LoadCursorW(0, (LPCWSTR)IDC_WAIT) );
GetClientRect(hwnd, &client);
hdc = GetDC(hwnd);
infoPtr->hdcMem = CreateCompatibleDC(hdc);
infoPtr->hbmMem = CreateCompatibleBitmap(hdc, client.right, client.bottom);
SelectObject(infoPtr->hdcMem, infoPtr->hbmMem);
xdif = client.right / XSTEPS;
ydif = client.bottom / YSTEPS+1;
hdif = 239 / XSTEPS;
sdif = 240 / YSTEPS;
for (rect.left = hue = 0; hue < 239 + hdif; hue += hdif)
{
rect.right = rect.left + xdif;
rect.bottom = client.bottom;
for(sat = 0; sat < 240 + sdif; sat += sdif)
{
rect.top = rect.bottom - ydif;
hbrush = CreateSolidBrush(CC_HSLtoRGB(hue, sat, 120));
FillRect(infoPtr->hdcMem, &rect, hbrush);
DeleteObject(hbrush);
rect.bottom = rect.top;
}
rect.left = rect.right;
}
ReleaseDC(hwnd, hdc);
SetCursor(hcursor);
}
/***********************************************************************
* CC_PaintColorGraph [internal]
*/
static void CC_PaintColorGraph(CCPRIV *infoPtr)
{
HWND hwnd = GetDlgItem( infoPtr->hwndSelf, COLOR_RAINBOW );
HDC hDC;
RECT rect;
if (IsWindowVisible(hwnd)) /* if full size */
{
if (!infoPtr->hdcMem)
CC_PrepareColorGraph(infoPtr); /* should not be necessary */
hDC = GetDC(hwnd);
GetClientRect(hwnd, &rect);
if (infoPtr->hdcMem)
BitBlt(hDC, 0, 0, rect.right, rect.bottom, infoPtr->hdcMem, 0, 0, SRCCOPY);
else
WARN("choose color: hdcMem is not defined\n");
ReleaseDC(hwnd, hDC);
}
}
/***********************************************************************
* CC_PaintLumBar [internal]
*/
static void CC_PaintLumBar(const CCPRIV *infoPtr)
{
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_LUMSCROLL);
RECT rect, client;
int lum, ldif, ydif;
HBRUSH hbrush;
HDC hDC;
if (IsWindowVisible(hwnd))
{
hDC = GetDC(hwnd);
GetClientRect(hwnd, &client);
rect = client;
ldif = 240 / YSTEPS;
ydif = client.bottom / YSTEPS+1;
for (lum = 0; lum < 240 + ldif; lum += ldif)
{
rect.top = max(0, rect.bottom - ydif);
hbrush = CreateSolidBrush(CC_HSLtoRGB(infoPtr->h, infoPtr->s, lum));
FillRect(hDC, &rect, hbrush);
DeleteObject(hbrush);
rect.bottom = rect.top;
}
GetClientRect(hwnd, &rect);
DrawEdge(hDC, &rect, BDR_SUNKENOUTER, BF_RECT);
ReleaseDC(hwnd, hDC);
}
}
/***********************************************************************
* CC_EditSetRGB [internal]
*/
static void CC_EditSetRGB( CCPRIV *infoPtr )
{
if (IsWindowVisible( GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW) )) /* if full size */
{
COLORREF cr = infoPtr->lpcc->rgbResult;
int r = GetRValue(cr);
int g = GetGValue(cr);
int b = GetBValue(cr);
infoPtr->updating = TRUE;
SetDlgItemInt(infoPtr->hwndSelf, COLOR_RED, r, TRUE);
SetDlgItemInt(infoPtr->hwndSelf, COLOR_GREEN, g, TRUE);
SetDlgItemInt(infoPtr->hwndSelf, COLOR_BLUE, b, TRUE);
infoPtr->updating = FALSE;
}
}
/***********************************************************************
* CC_EditSetHSL [internal]
*/
static void CC_EditSetHSL( CCPRIV *infoPtr )
{
if (IsWindowVisible( GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW) )) /* if full size */
{
infoPtr->updating = TRUE;
SetDlgItemInt(infoPtr->hwndSelf, COLOR_HUE, infoPtr->h, TRUE);
SetDlgItemInt(infoPtr->hwndSelf, COLOR_SAT, infoPtr->s, TRUE);
SetDlgItemInt(infoPtr->hwndSelf, COLOR_LUM, infoPtr->l, TRUE);
infoPtr->updating = FALSE;
}
CC_PaintLumBar(infoPtr);
}
/***********************************************************************
* CC_SwitchToFullSize [internal]
*/
static void CC_SwitchToFullSize( CCPRIV *infoPtr, const RECT *lprect )
{
int i;
EnableWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_MIX), FALSE);
CC_PrepareColorGraph(infoPtr);
for (i = COLOR_HUE; i <= COLOR_BLUE; i++)
ShowWindow( GetDlgItem(infoPtr->hwndSelf, i), SW_SHOW);
for (i = COLOR_HUEACCEL; i <= COLOR_BLUEACCEL; i++)
ShowWindow( GetDlgItem(infoPtr->hwndSelf, i), SW_SHOW);
ShowWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_SOLID), SW_SHOW);
ShowWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_ADD), SW_SHOW);
ShowWindow( GetDlgItem(infoPtr->hwndSelf, 1090), SW_SHOW);
if (lprect)
SetWindowPos(infoPtr->hwndSelf, 0, 0, 0, lprect->right-lprect->left,
lprect->bottom-lprect->top, SWP_NOMOVE|SWP_NOZORDER);
ShowWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_LUMSCROLL), SW_SHOW);
ShowWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_CURRENT), SW_SHOW);
CC_EditSetRGB(infoPtr);
CC_EditSetHSL(infoPtr);
ShowWindow( GetDlgItem( infoPtr->hwndSelf, COLOR_RAINBOW), SW_SHOW);
UpdateWindow( GetDlgItem(infoPtr->hwndSelf, COLOR_RAINBOW) );
}
/***********************************************************************
* CC_PaintPredefColorArray [internal]
* Paints the default standard 48 colors
*/
static void CC_PaintPredefColorArray(const CCPRIV *infoPtr, int rows, int cols)
{
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_BOX1);
RECT rect, blockrect;
HDC hdc;
HBRUSH hBrush;
int dx, dy, i, j, k;
GetClientRect(hwnd, &rect);
dx = rect.right / cols;
dy = rect.bottom / rows;
k = rect.left;
hdc = GetDC(hwnd);
GetClientRect(hwnd, &rect);
hBrush = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
if (!hBrush) hBrush = GetSysColorBrush(COLOR_BTNFACE);
FillRect(hdc, &rect, hBrush);
for ( j = 0; j < rows; j++ )
{
for ( i = 0; i < cols; i++ )
{
hBrush = CreateSolidBrush(predefcolors[j][i]);
if (hBrush)
{
blockrect.left = rect.left;
blockrect.top = rect.top;
blockrect.right = rect.left + dx - DISTANCE;
blockrect.bottom = rect.top + dy - DISTANCE;
FillRect(hdc, &blockrect, hBrush);
DrawEdge(hdc, &blockrect, BDR_SUNKEN, BF_RECT);
DeleteObject(hBrush);
}
rect.left += dx;
}
rect.top += dy;
rect.left = k;
}
ReleaseDC(hwnd, hdc);
if (infoPtr->hwndFocus == hwnd)
CC_DrawCurrentFocusRect(infoPtr);
}
/***********************************************************************
* CC_PaintUserColorArray [internal]
* Paint the 16 user-selected colors
*/
static void CC_PaintUserColorArray(const CCPRIV *infoPtr, int rows, int cols)
{
HWND hwnd = GetDlgItem(infoPtr->hwndSelf, COLOR_CUSTOM1);
RECT rect, blockrect;
HDC hdc;
HBRUSH hBrush;
int dx, dy, i, j, k;
GetClientRect(hwnd, &rect);
dx = rect.right / cols;
dy = rect.bottom / rows;
k = rect.left;
hdc = GetDC(hwnd);
if (hdc)
{
hBrush = (HBRUSH)GetClassLongPtrW( hwnd, GCLP_HBRBACKGROUND);
if (!hBrush) hBrush = GetSysColorBrush(COLOR_BTNFACE);
FillRect( hdc, &rect, hBrush );
for (j = 0; j < rows; j++)
{
for (i = 0; i < cols; i++)
{
hBrush = CreateSolidBrush(infoPtr->lpcc->lpCustColors[i+j*cols]);
if (hBrush)
{
blockrect.left = rect.left;
blockrect.top = rect.top;
blockrect.right = rect.left + dx - DISTANCE;
blockrect.bottom = rect.top + dy - DISTANCE;
FillRect(hdc, &blockrect, hBrush);
DrawEdge(hdc, &blockrect, BDR_SUNKEN, BF_RECT);
DeleteObject(hBrush);
}
rect.left += dx;
}
rect.top += dy;
rect.left = k;
}
ReleaseDC(hwnd, hdc);
}
if (infoPtr->hwndFocus == hwnd)
CC_DrawCurrentFocusRect(infoPtr);
}
/***********************************************************************
* CC_HookCallChk [internal]
*/
static BOOL CC_HookCallChk( const CHOOSECOLORW *lpcc )
{
if (lpcc)
if(lpcc->Flags & CC_ENABLEHOOK)
if (lpcc->lpfnHook)
return TRUE;
return FALSE;
}
/***********************************************************************
* CC_WMInitDialog [internal]
*/
static LRESULT CC_WMInitDialog( HWND hDlg, WPARAM wParam, LPARAM lParam )
{
CHOOSECOLORW *cc = (CHOOSECOLORW*)lParam;
int i, res;
int r, g, b;
HWND hwnd;
RECT rect;
POINT point;
CCPRIV *lpp;
TRACE("WM_INITDIALOG lParam=%08lX\n", lParam);
if (cc->lStructSize != sizeof(CHOOSECOLORW))
{
EndDialog(hDlg, 0);
return FALSE;
}
lpp = heap_alloc_zero(sizeof(*lpp));
lpp->lpcc = cc;
lpp->hwndSelf = hDlg;
SetPropW( hDlg, L"colourdialogprop", lpp );
if (!(lpp->lpcc->Flags & CC_SHOWHELP))
ShowWindow(GetDlgItem(hDlg, pshHelp), SW_HIDE);
lpp->msetrgb = RegisterWindowMessageA(SETRGBSTRINGA);
#if 0
cpos = MAKELONG(5,7); /* init */
if (lpp->lpcc->Flags & CC_RGBINIT)
{
for (i = 0; i < 6; i++)
for (j = 0; j < 8; j++)
if (predefcolors[i][j] == lpp->lpcc->rgbResult)
{
cpos = MAKELONG(i,j);
goto found;
}
}
found:
/* FIXME: Draw_a_focus_rect & set_init_values */
#endif
GetWindowRect(hDlg, &lpp->fullsize);
if (lpp->lpcc->Flags & CC_FULLOPEN || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
{
hwnd = GetDlgItem(hDlg, COLOR_MIX);
EnableWindow(hwnd, FALSE);
}
if (!(lpp->lpcc->Flags & CC_FULLOPEN ) || lpp->lpcc->Flags & CC_PREVENTFULLOPEN)
{
rect = lpp->fullsize;
res = rect.bottom - rect.top;
hwnd = GetDlgItem(hDlg, COLOR_RAINBOW); /* cut at left border */
point.x = point.y = 0;
ClientToScreen(hwnd, &point);
ScreenToClient(hDlg,&point);
GetClientRect(hDlg, &rect);
point.x += GetSystemMetrics(SM_CXDLGFRAME);
SetWindowPos(hDlg, 0, 0, 0, point.x, res, SWP_NOMOVE|SWP_NOZORDER);
for (i = COLOR_HUE; i <= COLOR_BLUE; i++)
ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
for (i = COLOR_HUEACCEL; i <= COLOR_BLUEACCEL; i++)
ShowWindow( GetDlgItem(hDlg, i), SW_HIDE);
ShowWindow( GetDlgItem(hDlg, COLOR_SOLID), SW_HIDE);
ShowWindow( GetDlgItem(hDlg, COLOR_ADD), SW_HIDE);
ShowWindow( GetDlgItem(hDlg, COLOR_RAINBOW), SW_HIDE);
ShowWindow( GetDlgItem(hDlg, COLOR_CURRENT), SW_HIDE);
ShowWindow( GetDlgItem(hDlg, 1090 ), SW_HIDE);
}
else
CC_SwitchToFullSize(lpp, NULL);
res = TRUE;
for (i = COLOR_HUE; i <= COLOR_BLUE; i++)
SendMessageA( GetDlgItem(hDlg, i), EM_LIMITTEXT, 3, 0); /* max 3 digits: xyz */
if (CC_HookCallChk(lpp->lpcc))
{
res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, WM_INITDIALOG, wParam, lParam);
}
/* Set the initial values of the color chooser dialog */
r = GetRValue(lpp->lpcc->rgbResult);
g = GetGValue(lpp->lpcc->rgbResult);
b = GetBValue(lpp->lpcc->rgbResult);
CC_PaintSelectedColor(lpp);
lpp->h = CC_RGBtoHSL('H', lpp->lpcc->rgbResult);
lpp->s = CC_RGBtoHSL('S', lpp->lpcc->rgbResult);
lpp->l = CC_RGBtoHSL('L', lpp->lpcc->rgbResult);
/* Doing it the long way because CC_EditSetRGB/HSL doesn't seem to work */
SetDlgItemInt(hDlg, COLOR_HUE, lpp->h, TRUE);
SetDlgItemInt(hDlg, COLOR_SAT, lpp->s, TRUE);
SetDlgItemInt(hDlg, COLOR_LUM, lpp->l, TRUE);
SetDlgItemInt(hDlg, COLOR_RED, r, TRUE);
SetDlgItemInt(hDlg, COLOR_GREEN, g, TRUE);
SetDlgItemInt(hDlg, COLOR_BLUE, b, TRUE);
CC_PaintCross(lpp);
CC_PaintTriangle(lpp);
return res;
}
/***********************************************************************
* CC_WMCommand [internal]
*/
static LRESULT CC_WMCommand(CCPRIV *lpp, WPARAM wParam, LPARAM lParam, WORD notifyCode, HWND hwndCtl)
{
int r, g, b, i, xx;
UINT cokmsg;
HDC hdc;
COLORREF *cr;
TRACE("CC_WMCommand wParam=%lx lParam=%lx\n", wParam, lParam);
switch (LOWORD(wParam))
{
case COLOR_RED: /* edit notify RGB */
case COLOR_GREEN:
case COLOR_BLUE:
if (notifyCode == EN_UPDATE && !lpp->updating)
{
i = CC_CheckDigitsInEdit(hwndCtl, 255);
r = GetRValue(lpp->lpcc->rgbResult);
g = GetGValue(lpp->lpcc->rgbResult);
b= GetBValue(lpp->lpcc->rgbResult);
xx = 0;
switch (LOWORD(wParam))
{
case COLOR_RED: if ((xx = (i != r))) r = i; break;
case COLOR_GREEN: if ((xx = (i != g))) g = i; break;
case COLOR_BLUE: if ((xx = (i != b))) b = i; break;
}
if (xx) /* something has changed */
{
lpp->lpcc->rgbResult = RGB(r, g, b);
CC_PaintSelectedColor(lpp);
lpp->h = CC_RGBtoHSL('H', lpp->lpcc->rgbResult);
lpp->s = CC_RGBtoHSL('S', lpp->lpcc->rgbResult);
lpp->l = CC_RGBtoHSL('L', lpp->lpcc->rgbResult);
CC_EditSetHSL(lpp);
CC_PaintCross(lpp);
CC_PaintTriangle(lpp);
}
}
break;
case COLOR_HUE: /* edit notify HSL */
case COLOR_SAT:
case COLOR_LUM:
if (notifyCode == EN_UPDATE && !lpp->updating)
{
i = CC_CheckDigitsInEdit(hwndCtl , LOWORD(wParam) == COLOR_HUE ? 239 : 240);
xx = 0;
switch (LOWORD(wParam))
{
case COLOR_HUE: if ((xx = ( i != lpp->h))) lpp->h = i; break;
case COLOR_SAT: if ((xx = ( i != lpp->s))) lpp->s = i; break;
case COLOR_LUM: if ((xx = ( i != lpp->l))) lpp->l = i; break;
}
if (xx) /* something has changed */
{
lpp->lpcc->rgbResult = CC_HSLtoRGB(lpp->h, lpp->s, lpp->l);
CC_PaintSelectedColor(lpp);
CC_EditSetRGB(lpp);
CC_PaintCross(lpp);
CC_PaintTriangle(lpp);
}
}
break;
case COLOR_MIX:
CC_SwitchToFullSize(lpp, &lpp->fullsize);
SetFocus( GetDlgItem(lpp->hwndSelf, COLOR_HUE));
break;
case COLOR_ADD: /* add colors ... column by column */
cr = lpp->lpcc->lpCustColors;
cr[(lpp->nextuserdef % 2) * 8 + lpp->nextuserdef / 2] = lpp->lpcc->rgbResult;
if (++lpp->nextuserdef == 16)
lpp->nextuserdef = 0;
CC_PaintUserColorArray(lpp, 2, 8);
break;
case COLOR_SOLID: /* resulting color */
hdc = GetDC(lpp->hwndSelf);
lpp->lpcc->rgbResult = GetNearestColor(hdc, lpp->lpcc->rgbResult);
ReleaseDC(lpp->hwndSelf, hdc);
CC_EditSetRGB(lpp);
CC_PaintSelectedColor(lpp);
lpp->h = CC_RGBtoHSL('H', lpp->lpcc->rgbResult);
lpp->s = CC_RGBtoHSL('S', lpp->lpcc->rgbResult);
lpp->l = CC_RGBtoHSL('L', lpp->lpcc->rgbResult);
CC_EditSetHSL(lpp);
CC_PaintCross(lpp);
CC_PaintTriangle(lpp);
break;
case pshHelp: /* Help! */ /* The Beatles, 1965 ;-) */
i = RegisterWindowMessageA(HELPMSGSTRINGA);
if (lpp->lpcc->hwndOwner)
SendMessageA(lpp->lpcc->hwndOwner, i, 0, (LPARAM)lpp->lpcc);
if ( CC_HookCallChk(lpp->lpcc))
CallWindowProcA( (WNDPROC) lpp->lpcc->lpfnHook, lpp->hwndSelf,
WM_COMMAND, psh15, (LPARAM)lpp->lpcc);
break;
case IDOK :
cokmsg = RegisterWindowMessageA(COLOROKSTRINGA);
if (lpp->lpcc->hwndOwner)
if (SendMessageA(lpp->lpcc->hwndOwner, cokmsg, 0, (LPARAM)lpp->lpcc))
break; /* do NOT close */
EndDialog(lpp->hwndSelf, 1) ;
return TRUE ;
case IDCANCEL :
EndDialog(lpp->hwndSelf, 0) ;
return TRUE ;
}
return FALSE;
}
/***********************************************************************
* CC_WMPaint [internal]
*/
static LRESULT CC_WMPaint( CCPRIV *lpp )
{
PAINTSTRUCT ps;
BeginPaint(lpp->hwndSelf, &ps);
/* we have to paint dialog children except text and buttons */
CC_PaintPredefColorArray(lpp, 6, 8);
CC_PaintUserColorArray(lpp, 2, 8);
CC_PaintLumBar(lpp);
CC_PaintTriangle(lpp);
CC_PaintSelectedColor(lpp);
CC_PaintColorGraph(lpp);
CC_PaintCross(lpp);
EndPaint(lpp->hwndSelf, &ps);
return TRUE;
}
/***********************************************************************
* CC_WMLButtonUp [internal]
*/
static LRESULT CC_WMLButtonUp( CCPRIV *infoPtr )
{
if (infoPtr->capturedGraph)
{
infoPtr->capturedGraph = 0;
ReleaseCapture();
CC_PaintCross(infoPtr);
return 1;
}
return 0;
}
/***********************************************************************
* CC_WMMouseMove [internal]
*/
static LRESULT CC_WMMouseMove( CCPRIV *infoPtr, LPARAM lParam )
{
if (infoPtr->capturedGraph)
{
int *ptrh = NULL, *ptrs = &infoPtr->l;
if (infoPtr->capturedGraph == COLOR_RAINBOW)
{
ptrh = &infoPtr->h;
ptrs = &infoPtr->s;
}
if (CC_MouseCheckColorGraph( infoPtr->hwndSelf, infoPtr->capturedGraph, ptrh, ptrs, lParam))
{
infoPtr->lpcc->rgbResult = CC_HSLtoRGB(infoPtr->h, infoPtr->s, infoPtr->l);
CC_EditSetRGB(infoPtr);
CC_EditSetHSL(infoPtr);
CC_PaintCross(infoPtr);
CC_PaintTriangle(infoPtr);
CC_PaintSelectedColor(infoPtr);
}
else
{
ReleaseCapture();
infoPtr->capturedGraph = 0;
}
return 1;
}
return 0;
}
/***********************************************************************
* CC_WMLButtonDown [internal]
*/
static LRESULT CC_WMLButtonDown( CCPRIV *infoPtr, LPARAM lParam )
{
int i = 0;
if (CC_MouseCheckPredefColorArray(infoPtr, 6, 8, lParam))
i = 1;
else
if (CC_MouseCheckUserColorArray(infoPtr, 2, 8, lParam))
i = 1;
else
if (CC_MouseCheckColorGraph(infoPtr->hwndSelf, COLOR_RAINBOW, &infoPtr->h, &infoPtr->s, lParam))
{
i = 2;
infoPtr->capturedGraph = COLOR_RAINBOW;
}
else
if (CC_MouseCheckColorGraph(infoPtr->hwndSelf, COLOR_LUMSCROLL, NULL, &infoPtr->l, lParam))
{
i = 2;
infoPtr->capturedGraph = COLOR_LUMSCROLL;
}
if ( i == 2 )
{
SetCapture(infoPtr->hwndSelf);
infoPtr->lpcc->rgbResult = CC_HSLtoRGB(infoPtr->h, infoPtr->s, infoPtr->l);
}
if ( i == 1 )
{
infoPtr->h = CC_RGBtoHSL('H', infoPtr->lpcc->rgbResult);
infoPtr->s = CC_RGBtoHSL('S', infoPtr->lpcc->rgbResult);
infoPtr->l = CC_RGBtoHSL('L', infoPtr->lpcc->rgbResult);
}
if (i)
{
CC_EditSetRGB(infoPtr);
CC_EditSetHSL(infoPtr);
CC_PaintCross(infoPtr);
CC_PaintTriangle(infoPtr);
CC_PaintSelectedColor(infoPtr);
return TRUE;
}
return FALSE;
}
/***********************************************************************
* ColorDlgProc32 [internal]
*
*/
static INT_PTR CALLBACK ColorDlgProc( HWND hDlg, UINT message,
WPARAM wParam, LPARAM lParam )
{
int res;
CCPRIV *lpp = GetPropW( hDlg, L"colourdialogprop" );
if (message != WM_INITDIALOG)
{
if (!lpp)
return FALSE;
res = 0;
if (CC_HookCallChk(lpp->lpcc))
res = CallWindowProcA( (WNDPROC)lpp->lpcc->lpfnHook, hDlg, message, wParam, lParam);
if ( res )
return res;
}
/* FIXME: SetRGB message
if (message && message == msetrgb)
return HandleSetRGB(hDlg, lParam);
*/
switch (message)
{
case WM_INITDIALOG:
return CC_WMInitDialog(hDlg, wParam, lParam);
case WM_NCDESTROY:
DeleteDC(lpp->hdcMem);
DeleteObject(lpp->hbmMem);
heap_free(lpp);
RemovePropW( hDlg, L"colourdialogprop" );
break;
case WM_COMMAND:
if (CC_WMCommand(lpp, wParam, lParam, HIWORD(wParam), (HWND) lParam))
return TRUE;
break;
case WM_PAINT:
if (CC_WMPaint(lpp))
return TRUE;
break;
case WM_LBUTTONDBLCLK:
if (CC_MouseCheckResultWindow(hDlg, lParam))
return TRUE;
break;
case WM_MOUSEMOVE:
if (CC_WMMouseMove(lpp, lParam))
return TRUE;
break;
case WM_LBUTTONUP: /* FIXME: ClipCursor off (if in color graph)*/
if (CC_WMLButtonUp(lpp))
return TRUE;
break;
case WM_LBUTTONDOWN:/* FIXME: ClipCursor on (if in color graph)*/
if (CC_WMLButtonDown(lpp, lParam))
return TRUE;
break;
}
return FALSE ;
}
/***********************************************************************
* ChooseColorW (COMDLG32.@)
*
* Create a color dialog box.
*
* PARAMS
* lpChCol [I/O] in: information to initialize the dialog box.
* out: User's color selection
*
* RETURNS
* TRUE: Ok button clicked.
* FALSE: Cancel button clicked, or error.
*/
BOOL WINAPI ChooseColorW( CHOOSECOLORW *lpChCol )
{
HANDLE hDlgTmpl = 0;
const void *template;
TRACE("(%p)\n", lpChCol);
if (!lpChCol) return FALSE;
if (lpChCol->Flags & CC_ENABLETEMPLATEHANDLE)
{
if (!(template = LockResource(lpChCol->hInstance)))
{
COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
return FALSE;
}
}
else if (lpChCol->Flags & CC_ENABLETEMPLATE)
{
HRSRC hResInfo;
if (!(hResInfo = FindResourceW((HINSTANCE)lpChCol->hInstance,
lpChCol->lpTemplateName,
(LPWSTR)RT_DIALOG)))
{
COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
return FALSE;
}
if (!(hDlgTmpl = LoadResource((HINSTANCE)lpChCol->hInstance, hResInfo)) ||
!(template = LockResource(hDlgTmpl)))
{
COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
return FALSE;
}
}
else
{
HRSRC hResInfo;
HGLOBAL hDlgTmpl;
if (!(hResInfo = FindResourceW(COMDLG32_hInstance, L"CHOOSE_COLOR", (LPWSTR)RT_DIALOG)))
{
COMDLG32_SetCommDlgExtendedError(CDERR_FINDRESFAILURE);
return FALSE;
}
if (!(hDlgTmpl = LoadResource(COMDLG32_hInstance, hResInfo )) ||
!(template = LockResource(hDlgTmpl)))
{
COMDLG32_SetCommDlgExtendedError(CDERR_LOADRESFAILURE);
return FALSE;
}
}
return DialogBoxIndirectParamW(COMDLG32_hInstance, template, lpChCol->hwndOwner,
ColorDlgProc, (LPARAM)lpChCol);
}
/***********************************************************************
* ChooseColorA (COMDLG32.@)
*
* See ChooseColorW.
*/
BOOL WINAPI ChooseColorA( LPCHOOSECOLORA lpChCol )
{
LPWSTR template_name = NULL;
BOOL ret;
CHOOSECOLORW *lpcc = heap_alloc_zero(sizeof(*lpcc));
lpcc->lStructSize = sizeof(*lpcc);
lpcc->hwndOwner = lpChCol->hwndOwner;
lpcc->hInstance = lpChCol->hInstance;
lpcc->rgbResult = lpChCol->rgbResult;
lpcc->lpCustColors = lpChCol->lpCustColors;
lpcc->Flags = lpChCol->Flags;
lpcc->lCustData = lpChCol->lCustData;
lpcc->lpfnHook = lpChCol->lpfnHook;
if ((lpcc->Flags & CC_ENABLETEMPLATE) && (lpChCol->lpTemplateName)) {
if (!IS_INTRESOURCE(lpChCol->lpTemplateName)) {
INT len = MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, NULL, 0);
template_name = heap_alloc( len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, lpChCol->lpTemplateName, -1, template_name, len );
lpcc->lpTemplateName = template_name;
} else {
lpcc->lpTemplateName = (LPCWSTR)lpChCol->lpTemplateName;
}
}
ret = ChooseColorW(lpcc);
if (ret)
lpChCol->rgbResult = lpcc->rgbResult;
heap_free(template_name);
heap_free(lpcc);
return ret;
}
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