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windows-xp/Source/XPSP1/NT/admin/activec/controls/cic/sysclrctrl.cpp

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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1999 - 1999
//
// File: sysclrctrl.cpp
//
//--------------------------------------------------------------------------
// SysColorCtrl.cpp : Implementation of CSysColorCtrl
#include "stdafx.h"
#include "cic.h"
#include "SysColorCtrl.h"
#ifndef ASSERT
#define ASSERT _ASSERT
#endif
#include <mmctempl.h>
// CPlex::Create and CPlex::FreeDataChain are needed to use CList.
// These should be moved to core.lib. I copied them from nodemgr\plex.cpp
/////////////////////////////////////////////////////////////////////////////
// CPlex
CPlex* PASCAL CPlex::Create(CPlex*& pHead, UINT nMax, UINT cbElement)
{
DECLARE_SC(sc, TEXT("CPlex::Create"));
if ( (nMax <=0) || (cbElement <= 0))
{
sc = E_INVALIDARG;
return NULL;
}
CPlex* p = (CPlex*) new BYTE[sizeof(CPlex) + nMax * cbElement];
// may throw exception
if (!p)
{
sc = E_OUTOFMEMORY;
return NULL;
}
p->pNext = pHead;
pHead = p; // change head (adds in reverse order for simplicity)
return p;
}
void CPlex::FreeDataChain() // free this one and links
{
CPlex* p = this;
while (p != NULL)
{
BYTE* bytes = (BYTE*) p;
CPlex* pNext = p->pNext;
delete[] bytes;
p = pNext;
}
}
// need to subclass the top-level window hosting this control so that
// I can be assured of receiving the WM_SYSCOLORCHANGE message
static WNDPROC g_OriginalWndProc;
static HWND g_hwndTop;
// need a list of HWNDs (one for each SysColorCtrl) so that I can notify each
// one of WM_SYSCOLORCHANGE
static CList<HWND, HWND> g_listHWND;
static LRESULT SubclassWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_SYSCOLORCHANGE) {
// post message to all SysColor controls
POSITION pos = g_listHWND.GetHeadPosition();
while (pos) {
HWND hwndSysColor = g_listHWND.GetNext(pos);
if (hwndSysColor != NULL)
PostMessage(hwndSysColor, uMsg, wParam, lParam);
}
}
return CallWindowProc(g_OriginalWndProc, hwnd, uMsg, wParam, lParam);
}
static long GetHTMLColor(int nIndex)
{
long rgb = GetSysColor(nIndex);
// now swap the red and the blue so HTML hosts display the color properly
return ((rgb & 0xff) << 16) + (rgb & 0xff00) + ((rgb & 0xff0000) >> 16);
}
/////////////////////////////////////////////////////////////////////////////
// CSysColorCtrl
LRESULT CSysColorCtrl::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
// if no sys color controls currently exist, subclass the top level window
if (g_listHWND.IsEmpty()) {
g_hwndTop = GetTopLevelParent();
g_OriginalWndProc = (WNDPROC)::SetWindowLongPtr(g_hwndTop, GWLP_WNDPROC, (LONG_PTR)&SubclassWndProc);
}
else {
_ASSERT(g_hwndTop && g_OriginalWndProc);
}
// add this window to the list of SysColor control windows
g_listHWND.AddTail(m_hWnd);
bHandled = FALSE;
return 0;
}
LRESULT CSysColorCtrl::OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
// remove me from the list
POSITION pos = g_listHWND.Find(m_hWnd);
if (pos != NULL) {
g_listHWND.RemoveAt(pos);
}
// if hwnd list is empty and we've subclassed a window, undo that.
if (g_listHWND.IsEmpty() && g_hwndTop && g_OriginalWndProc) {
::SetWindowLongPtr(g_hwndTop, GWLP_WNDPROC, (LONG_PTR)g_OriginalWndProc);
g_OriginalWndProc = NULL;
g_hwndTop = NULL;
}
bHandled = FALSE;
return 0;
}
// need to post a user defined message to handle WM_SYSCOLORCHANGE to work
// around a Win95 hang when using this control inside IE.
LRESULT CSysColorCtrl::OnSysColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
PostMessage(WM_MYSYSCOLORCHANGE);
return 0;
}
LRESULT CSysColorCtrl::OnMySysColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
Fire_SysColorChange();
return 0;
}
//
// Utility Methods
//
STDMETHODIMP CSysColorCtrl::ConvertRGBToHex(long rgb, BSTR * pszHex)
{
DECLARE_SC(sc, TEXT("CSysColorCtrl::ConvertRGBToHex"));
sc = ScCheckPointers(pszHex);
if (sc)
return sc.ToHr();
SysFreeString(*pszHex);
*pszHex = SysAllocString(L"xxxxxx");
if (NULL == *pszHex)
return (sc = E_OUTOFMEMORY).ToHr();
WCHAR wszPossibles[] = L"0123456789abcdef";
int i = 0;
(*pszHex)[i++] = wszPossibles[(rgb & 0xf00000) >> 20];
(*pszHex)[i++] = wszPossibles[(rgb & 0x0f0000) >> 16];
(*pszHex)[i++] = wszPossibles[(rgb & 0x00f000) >> 12];
(*pszHex)[i++] = wszPossibles[(rgb & 0x000f00) >> 8];
(*pszHex)[i++] = wszPossibles[(rgb & 0x0000f0) >> 4];
(*pszHex)[i++] = wszPossibles[(rgb & 0x00000f)];
(*pszHex)[i] = 0;
return sc.ToHr();
}
STDMETHODIMP CSysColorCtrl::ConvertHexToRGB(BSTR szHex, long * pRGB)
{
if (pRGB == NULL)
return E_POINTER;
// Hex string must be perfectly formatted 6 digits
// probably should implement ISystemErrorInfo to give user more info
// on usage errors
if (6 != wcslen(szHex))
return E_INVALIDARG;
long nRed, nGreen, nBlue;
nRed = nGreen = nBlue = 0;
nRed += ValueOfHexDigit(szHex[0]) * 16;
nRed += ValueOfHexDigit(szHex[1]);
nGreen += ValueOfHexDigit(szHex[2]) * 16;
nGreen += ValueOfHexDigit(szHex[3]);
nBlue += ValueOfHexDigit(szHex[4]) * 16;
nBlue += ValueOfHexDigit(szHex[5]);
*pRGB = (nRed << 16) + (nGreen << 8) + nBlue;
return S_OK;
}
STDMETHODIMP CSysColorCtrl::GetRedFromRGB(long rgb, short * pVal)
{
if (pVal == NULL)
return E_POINTER;
// for html, rgb is 00RR GGBB, not 00BB GGRR
*pVal = LOWORD ((rgb & 0xff0000) >> 16);
return S_OK;
}
STDMETHODIMP CSysColorCtrl::GetGreenFromRGB(long rgb, short * pVal)
{
if (pVal == NULL)
return E_POINTER;
// for html, rgb is 00RR GGBB, not 00BB GGRR
*pVal = LOWORD ((rgb & 0x00ff00) >> 8);
return S_OK;
}
STDMETHODIMP CSysColorCtrl::GetBlueFromRGB(long rgb, short * pVal)
{
if (pVal == NULL)
return E_POINTER;
// for html, rgb is 00RR GGBB, not 00BB GGRR
*pVal = LOWORD ((rgb & 0x0000ff));
return S_OK;
}
// strings supported for format
#define CSS_FORMAT L"CSS"
#define HEX_FORMAT L"HEX"
#define RGB_FORMAT L"RGB"
//
// private utility method for getting rgb from string based on format
//
HRESULT CSysColorCtrl::RGBFromString(BSTR pszColor, BSTR pszFormat, long * pRGB)
{
DECLARE_SC(sc, TEXT("CSysColorCtrl::RGBFromString"));
sc = ScCheckPointers(pRGB);
if (sc)
return sc.ToHr();
LPWSTR pszDupFormat = _wcsdup(pszFormat);
if (!pszDupFormat)
return (sc = E_OUTOFMEMORY).ToHr();
LPWSTR pszUpper = NULL;
LPWSTR pszLower = NULL;
pszUpper = _wcsupr(pszDupFormat);
*pRGB = -1;
if (0 == wcscmp(pszUpper, RGB_FORMAT)) {
*pRGB = _wtol(pszColor);
}
else if (0 == wcscmp(pszUpper, HEX_FORMAT)) {
sc = ConvertHexToRGB(pszColor, pRGB);
if (sc.ToHr() != S_OK)
goto Cleanup;
}
else if (0 == wcscmp(pszUpper, CSS_FORMAT)) {
LPWSTR pszDupColor = _wcsdup(pszColor);
if (!pszDupColor)
{
sc = E_OUTOFMEMORY;
goto Cleanup;
}
pszLower = _wcslwr(pszDupColor);
if (0 == wcscmp(L"activeborder", pszLower)) {
get_RGBactiveborder(pRGB);
}
else if (0 == wcscmp(L"activecaption", pszLower)) {
get_RGBactivecaption(pRGB);
}
else if (0 == wcscmp(L"appworkspace", pszLower)) {
get_RGBappworkspace(pRGB);
}
else if (0 == wcscmp(L"background", pszLower)) {
get_RGBbackground(pRGB);
}
else if (0 == wcscmp(L"buttonface", pszLower)) {
get_RGBbuttonface(pRGB);
}
else if (0 == wcscmp(L"buttonhighlight", pszLower)) {
get_RGBbuttonhighlight(pRGB);
}
else if (0 == wcscmp(L"buttonshadow", pszLower)) {
get_RGBbuttonshadow(pRGB);
}
else if (0 == wcscmp(L"buttontext", pszLower)) {
get_RGBbuttontext(pRGB);
}
else if (0 == wcscmp(L"captiontext", pszLower)) {
get_RGBcaptiontext(pRGB);
}
else if (0 == wcscmp(L"graytext", pszLower)) {
get_RGBgraytext(pRGB);
}
else if (0 == wcscmp(L"highlight", pszLower)) {
get_RGBhighlight(pRGB);
}
else if (0 == wcscmp(L"highlighttext", pszLower)) {
get_RGBhighlighttext(pRGB);
}
else if (0 == wcscmp(L"inactiveborder", pszLower)) {
get_RGBinactiveborder(pRGB);
}
else if (0 == wcscmp(L"inactivecaption", pszLower)) {
get_RGBinactivecaption(pRGB);
}
else if (0 == wcscmp(L"inactivecaptiontext", pszLower)) {
get_RGBinactivecaptiontext(pRGB);
}
else if (0 == wcscmp(L"infobackground", pszLower)) {
get_RGBinfobackground(pRGB);
}
else if (0 == wcscmp(L"infotext", pszLower)) {
get_RGBinfotext(pRGB);
}
else if (0 == wcscmp(L"menu", pszLower)) {
get_RGBmenu(pRGB);
}
else if (0 == wcscmp(L"menutext", pszLower)) {
get_RGBmenutext(pRGB);
}
else if (0 == wcscmp(L"scrollbar", pszLower)) {
get_RGBscrollbar(pRGB);
}
else if (0 == wcscmp(L"threeddarkshadow", pszLower)) {
get_RGBthreeddarkshadow(pRGB);
}
else if (0 == wcscmp(L"threedface", pszLower)) {
get_RGBthreedface(pRGB);
}
else if (0 == wcscmp(L"threedhighlight", pszLower)) {
get_RGBthreedhighlight(pRGB);
}
else if (0 == wcscmp(L"threedlightshadow", pszLower)) {
get_RGBthreedlightshadow(pRGB);
}
else if (0 == wcscmp(L"threedshadow", pszLower)) {
get_RGBthreedshadow(pRGB);
}
else if (0 == wcscmp(L"window", pszLower)) {
get_RGBwindow(pRGB);
}
else if (0 == wcscmp(L"windowframe", pszLower)) {
get_RGBwindowframe(pRGB);
}
else if (0 == wcscmp(L"windowtext", pszLower)) {
get_RGBwindowtext(pRGB);
}
else {
sc = E_INVALIDARG;
goto Cleanup;
}
}
else {
// should set some error here such as through ISystemErrorInfo
sc = E_INVALIDARG;
goto Cleanup;
}
Cleanup:
if (pszUpper)
free(pszUpper);
if (pszLower)
free(pszLower);
return sc.ToHr();
}
//
// Private utility method using only RGB format for deriving colors based
// on a starting color, a color to move towards, and a percentage to move
// towards that color.
//
HRESULT CSysColorCtrl::GetDerivedRGBFromRGB(long rgbFrom,
long rgbTo,
short nPercent,
long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// nPercent must be between 0 and 100
// probably should implement ISystemErrorInfo to give user more info
// on usage errors
if (nPercent < 0 || nPercent > 100)
return E_INVALIDARG;
// get the derived color based on starting color, ending color, and percentage
// color = color + (colorTo - colorFrom) * (nPercent/100);
long nRedFrom = (rgbFrom & 0xff0000) >> 16;
long nRedTo = (rgbTo & 0xff0000) >> 16;
long nRed = nRedFrom + ((nRedTo - nRedFrom)*nPercent/100);
long nGreenFrom = (rgbFrom & 0x00ff00) >> 8;
long nGreenTo = (rgbTo & 0x00ff00) >> 8;
long nGreen = nGreenFrom + ((nGreenTo - nGreenFrom)*nPercent/100);
long nBlueFrom = (rgbFrom & 0x0000ff);
long nBlueTo = (rgbTo & 0x0000ff);
long nBlue = nBlueFrom + ((nBlueTo - nBlueFrom)*nPercent/100);
*pVal = (nRed << 16) + (nGreen << 8) + nBlue;
return S_OK;
}
//
// Method for Deriving colors based on a starting color,
// a color to move towards, and a percentage to move towards that color.
//
STDMETHODIMP CSysColorCtrl::GetDerivedRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszTo,
/*[in]*/ BSTR pszFormat,
/*[in]*/ short nPercent,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
//
// get everything into RGB format, then calculate derived color
//
// convert from String to long using correct format to interpret from
long rgbFrom = -1, rgbTo = -1;
HRESULT hr;
hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
hr = RGBFromString(pszTo, pszFormat, &rgbTo);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, rgbTo, nPercent, pVal);
}
STDMETHODIMP CSysColorCtrl::GetDerivedHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszTo,
/*[in]*/ BSTR pszFormat,
/*[in]*/ short nPercent,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
long rgb;
HRESULT hr = GetDerivedRGB(pszFrom, pszTo, pszFormat, nPercent, &rgb);
if (hr != S_OK)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::Get3QuarterLightRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 75, pVal);
}
STDMETHODIMP CSysColorCtrl::Get3QuarterLightHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 75, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::GetHalfLightRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 50, pVal);
}
STDMETHODIMP CSysColorCtrl::GetHalfLightHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 50, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::GetQuarterLightRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 25, pVal);
}
STDMETHODIMP CSysColorCtrl::GetQuarterLightHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(255,255,255), 25, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::Get3QuarterDarkRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 75, pVal);
}
STDMETHODIMP CSysColorCtrl::Get3QuarterDarkHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 75, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::GetHalfDarkRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 50, pVal);
}
STDMETHODIMP CSysColorCtrl::GetHalfDarkHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 50, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
STDMETHODIMP CSysColorCtrl::GetQuarterDarkRGB(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ long * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
return GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 25, pVal);
}
STDMETHODIMP CSysColorCtrl::GetQuarterDarkHex(/*[in]*/ BSTR pszFrom,
/*[in]*/ BSTR pszFormat,
/*[out, retval]*/ BSTR * pVal)
{
if (pVal == NULL)
return E_POINTER;
// convert from String to long using correct format to interpret from
long rgbFrom = -1;
HRESULT hr = RGBFromString(pszFrom, pszFormat, &rgbFrom);
if (hr != S_OK)
return hr;
long rgb;
hr = GetDerivedRGBFromRGB(rgbFrom, RGB(0,0,0), 25, &rgb);
if (S_OK != hr)
return hr;
return ConvertRGBToHex(rgb, pVal);
}
//
// Properties
//
// use macro so this is easily extensible to include more properties
// Should probably move this whole thing to header to be in-line
// for even easier extensibility
#define GETPROPSIMPL(methodname, color_value) \
STDMETHODIMP CSysColorCtrl::get_HEX##methodname(BSTR * pVal) { \
return ConvertRGBToHex(GetHTMLColor(color_value), pVal); \
} \
STDMETHODIMP CSysColorCtrl::get_RGB##methodname(long * pVal) { \
if (pVal == NULL) return E_POINTER; \
*pVal = GetHTMLColor(color_value); \
return S_OK; \
}
GETPROPSIMPL(activeborder, COLOR_ACTIVEBORDER)
GETPROPSIMPL(activecaption, COLOR_ACTIVECAPTION)
GETPROPSIMPL(appworkspace, COLOR_APPWORKSPACE)
GETPROPSIMPL(background, COLOR_BACKGROUND)
GETPROPSIMPL(buttonface, COLOR_BTNFACE)
GETPROPSIMPL(buttonhighlight, COLOR_BTNHIGHLIGHT)
GETPROPSIMPL(buttonshadow, COLOR_BTNSHADOW)
GETPROPSIMPL(buttontext, COLOR_BTNTEXT)
GETPROPSIMPL(captiontext, COLOR_CAPTIONTEXT)
GETPROPSIMPL(graytext, COLOR_GRAYTEXT)
GETPROPSIMPL(highlight, COLOR_HIGHLIGHT)
GETPROPSIMPL(highlighttext, COLOR_HIGHLIGHTTEXT)
GETPROPSIMPL(inactiveborder, COLOR_INACTIVEBORDER)
GETPROPSIMPL(inactivecaption, COLOR_INACTIVECAPTION)
GETPROPSIMPL(inactivecaptiontext, COLOR_INACTIVECAPTIONTEXT)
GETPROPSIMPL(infobackground, COLOR_INFOBK)
GETPROPSIMPL(infotext, COLOR_INFOTEXT)
GETPROPSIMPL(menu, COLOR_MENU)
GETPROPSIMPL(menutext, COLOR_MENUTEXT)
GETPROPSIMPL(scrollbar, COLOR_SCROLLBAR)
GETPROPSIMPL(threeddarkshadow, COLOR_3DDKSHADOW)
GETPROPSIMPL(threedface, COLOR_3DFACE)
GETPROPSIMPL(threedhighlight, COLOR_3DHIGHLIGHT)
GETPROPSIMPL(threedlightshadow, COLOR_3DLIGHT) // Is this correct?
GETPROPSIMPL(threedshadow, COLOR_3DSHADOW)
GETPROPSIMPL(window, COLOR_WINDOW)
GETPROPSIMPL(windowframe, COLOR_WINDOWFRAME)
GETPROPSIMPL(windowtext, COLOR_WINDOWTEXT)
//
// Protected methods
//
int CSysColorCtrl::ValueOfHexDigit(WCHAR wch)
{
switch (wch) {
case L'0':
return 0;
case L'1':
return 1;
case L'2':
return 2;
case L'3':
return 3;
case L'4':
return 4;
case L'5':
return 5;
case L'6':
return 6;
case L'7':
return 7;
case L'8':
return 8;
case L'9':
return 9;
case L'a':
case L'A':
return 10;
case L'b':
case L'B':
return 11;
case L'c':
case L'C':
return 12;
case L'd':
case L'D':
return 13;
case L'e':
case L'E':
return 14;
case L'f':
case L'F':
return 15;
}
ATLTRACE(_T("Unrecognized Hex Digit: '%c'"), wch);
return 0;
} // ValueOfHexDigit()