484 lines
12 KiB
C++
484 lines
12 KiB
C++
#include "priv.h"
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#include <shellapi.h>
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#include "langicon.h"
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using namespace DirectUI;
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#include "logon.h"
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extern LogonFrame* g_plf;
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typedef struct
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{
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HKL dwHkl;
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HICON hIcon;
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} LAYOUTINFO, *PLAYOUTINFO;
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typedef struct
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{
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HKL hklLast;
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UINT uLangs;
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PLAYOUTINFO pLayoutInfo;
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} USERLAYOUTINFO, *PUSERLAYOUTINFO;
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HICON
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CreateLangIdIcon(
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WORD LangId);
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int
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CreateIconList(
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PLAYOUTINFO pLayoutInfo,
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HKL hkl,
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UINT uLangs);
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HICON
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GetIconFromHkl(
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PLAYOUTINFO pLayoutInfo,
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HKL hkl,
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UINT uLangs);
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USERLAYOUTINFO UserLayoutInfo[2] = {0};
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typedef BOOL (WINAPI *LPFNIMMGETIMEFILENAME)(HKL, LPTSTR, UINT);
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LPFNIMMGETIMEFILENAME pfnImmGetImeFileName = NULL;
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TCHAR szImm32DLL[] = TEXT("imm32.dll");
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typedef UINT (WINAPI *PFNEXTRACTICONEXW)(LPCWSTR lpszFile, int nIconIndex, HICON FAR *phiconLarge, HICON FAR *phiconSmall, UINT nIcons);
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/***************************************************************************\
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* FUNCTION: CreateLangIdIcon
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*
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* PURPOSE: Create an icon that displays the first two letters of the
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* supplied language ID.
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*
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* RETURNS: Icon that shows displays Language ID.
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*
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* HISTORY:
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*
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* 04-17-98 ShanXu Borrowed from internat.exe
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*
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\***************************************************************************/
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HICON
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CreateLangIdIcon(
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WORD langID
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)
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{
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HBITMAP hbmColour = NULL;
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HBITMAP hbmMono;
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HBITMAP hbmOld;
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HICON hicon = NULL;
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ICONINFO ii;
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RECT rc;
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DWORD rgbText;
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DWORD rgbBk = 0;
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HDC hdc = NULL;
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HDC hdcScreen;
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LOGFONT lf;
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HFONT hfont;
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HFONT hfontOld;
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TCHAR szData[20];
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UINT cxSmIcon, cySmIcon;
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// due to the font we create, these should not be smaller than 16 x 16
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cxSmIcon = GetSystemMetrics(SM_CXSMICON);
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if (cxSmIcon < 16)
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{
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cxSmIcon = 16;
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}
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cySmIcon = GetSystemMetrics(SM_CYSMICON);
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if (cySmIcon < 16)
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{
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cySmIcon = 16;
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}
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//
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// Get the indicator by using the first 2 characters of the
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// abbreviated language name.
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//
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if (GetLocaleInfo( MAKELCID(langID, SORT_DEFAULT),
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LOCALE_SABBREVLANGNAME | LOCALE_NOUSEROVERRIDE,
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szData,
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sizeof(szData) / sizeof(szData[0]) ))
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{
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//
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// Only use the first two characters.
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//
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szData[2] = TEXT('\0');
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}
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else
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{
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//
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// Id wasn't found. Use question marks.
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//
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szData[0] = TEXT('?');
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szData[1] = TEXT('?');
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szData[2] = TEXT('\0');
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}
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if (SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(LOGFONT), &lf, 0))
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{
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if ((hfont = CreateFontIndirect(&lf)) != NULL)
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{
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hdcScreen = GetDC(NULL);
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if ( hdcScreen )
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{
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hdc = CreateCompatibleDC(hdcScreen);
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hbmColour = CreateCompatibleBitmap(hdcScreen, cxSmIcon, cySmIcon);
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ReleaseDC(NULL, hdcScreen);
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}
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if (hbmColour && hdc)
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{
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hbmMono = CreateBitmap(cxSmIcon, cySmIcon, 1, 1, NULL);
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if (hbmMono)
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{
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hbmOld = (HBITMAP)SelectObject(hdc, hbmColour);
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rc.left = 0;
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rc.top = 0;
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rc.right = cxSmIcon;
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rc.bottom = cySmIcon;
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rgbBk = SetBkColor(hdc, GetSysColor(COLOR_HIGHLIGHT));
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rgbText = SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
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ExtTextOut( hdc,
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rc.left,
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rc.top,
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ETO_OPAQUE,
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&rc,
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TEXT(""),
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0,
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NULL );
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SelectObject(hdc, GetStockObject(DEFAULT_GUI_FONT));
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hfontOld = (HFONT)SelectObject(hdc, hfont);
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DrawText( hdc,
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szData,
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2,
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&rc,
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DT_CENTER | DT_VCENTER | DT_SINGLELINE );
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#ifdef USE_MIRRORING
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{
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DWORD dwLayout;
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GetProcessDefaultLayout(&dwLayout);
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if (dwLayout & LAYOUT_RTL)
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{
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// MirrorBitmapInDC(hdc, hbmColour);
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}
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}
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#endif
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SelectObject(hdc, hbmMono);
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PatBlt(hdc, 0, 0, cxSmIcon, cySmIcon, BLACKNESS);
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SelectObject(hdc, hbmOld);
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ii.fIcon = TRUE;
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ii.xHotspot = 0;
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ii.yHotspot = 0;
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ii.hbmColor = hbmColour;
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ii.hbmMask = hbmMono;
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hicon = CreateIconIndirect(&ii);
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DeleteObject(hbmMono);
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SelectObject(hdc, hfontOld);
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}
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DeleteObject(hbmColour);
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DeleteDC(hdc);
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}
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DeleteObject(hfont);
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}
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}
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return (hicon);
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}
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/***************************************************************************\
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* FUNCTION: CreateIconList
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*
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* PURPOSE: Create the table that contains the relationship between an hkl
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* and an icon.
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*
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* RETURNS: Index of the current hkl in the table.
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*
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* HISTORY:
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*
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* 04-17-98 ShanXu Created
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*
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\***************************************************************************/
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int
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CreateIconList(
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PLAYOUTINFO pLayoutInfo,
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HKL hklCur,
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UINT uLangs)
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{
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HKL *pLanguages;
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UINT uCount;
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int nCurIndex = -1;
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pLanguages = (HKL *)LocalAlloc(LPTR, uLangs * sizeof(HKL));
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if (!pLanguages)
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{
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return -1;
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}
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GetKeyboardLayoutList(uLangs, (HKL *)pLanguages);
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for (uCount = 0; uCount < uLangs; uCount++)
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{
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pLayoutInfo[uCount].dwHkl = pLanguages[uCount];
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if (pLanguages[uCount] == hklCur)
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{
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nCurIndex = uCount;
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}
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if ((HIWORD(pLanguages[uCount]) & 0xf000) == 0xe000)
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{
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WCHAR szIMEFile[32]; // assume long filename up to 32 byte
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if (!pfnImmGetImeFileName)
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{
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HMODULE hMod;
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hMod = GetModuleHandle(szImm32DLL);
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if (hMod)
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{
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pfnImmGetImeFileName = (LPFNIMMGETIMEFILENAME)
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GetProcAddress(
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hMod,
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"ImmGetIMEFileNameW");
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}
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}
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if (pfnImmGetImeFileName &&
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(*pfnImmGetImeFileName) (pLanguages[uCount],
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szIMEFile,
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sizeof(szIMEFile) ))
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{
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HINSTANCE hInstShell32;
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PFNEXTRACTICONEXW pfnExtractIconExW;
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hInstShell32 = LoadLibrary (TEXT("shell32.dll"));
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if (hInstShell32)
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{
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pfnExtractIconExW = (PFNEXTRACTICONEXW) GetProcAddress (hInstShell32,
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"ExtractIconExW");
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if (pfnExtractIconExW)
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{
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//
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// First one of the file.
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//
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pfnExtractIconExW(
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szIMEFile,
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0,
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NULL,
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&pLayoutInfo[uCount].hIcon,
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1);
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}
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FreeLibrary (hInstShell32);
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}
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continue;
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}
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}
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//
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// for non-ime layout
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//
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pLayoutInfo[uCount].hIcon = CreateLangIdIcon(LOWORD(pLanguages[uCount]));
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}
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LocalFree(pLanguages);
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return nCurIndex;
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}
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/***************************************************************************\
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* FUNCTION: GetIconFromHkl
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*
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* PURPOSE: Find the icon in our table that has a matching hkl
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* with the supplied hkl. Create the table if it does not
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* exist.
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*
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* RETURNS: Icon of the macthing hkl.
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*
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* HISTORY:
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*
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* 04-17-98 ShanXu Created
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*
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\***************************************************************************/
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HICON
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GetIconFromHkl(
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PLAYOUTINFO pLayoutInfo,
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HKL hkl,
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UINT uLangs)
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{
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UINT uCount;
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int nIndex = -1;
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if (pLayoutInfo[0].dwHkl == 0)
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{
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//
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// Icon/hkl list no exsists yet. Create it.
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//
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nIndex = CreateIconList(pLayoutInfo, hkl, uLangs);
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}
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else
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{
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//
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// Find the icon with a matching hkl
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//
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for (uCount = 0; uCount < uLangs; uCount++)
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{
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if (pLayoutInfo[uCount].dwHkl == hkl)
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{
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nIndex = uCount;
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break;
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}
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}
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}
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if (nIndex == -1)
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{
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return NULL;
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}
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return ( pLayoutInfo[nIndex].hIcon);
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}
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/***************************************************************************\
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* FUNCTION: DisplayLanguageIcon
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*
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* PURPOSE: Displays the icon of the currently selected hkl in the window.
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*
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* RETURNS: TRUE - The icon is displayed.
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* FALSE - No icon displayed.
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*
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* HISTORY:
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*
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* 04-17-98 ShanXu Created
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*
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\***************************************************************************/
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BOOL
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DisplayLanguageIcon(
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LAYOUT_USER LayoutUser,
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HKL hkl)
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{
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HICON hIconLayout;
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UINT uLangs;
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PLAYOUTINFO pLayout;
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uLangs = GetKeyboardLayoutList(0, NULL);
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if (uLangs < 2)
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{
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return FALSE;
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}
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pLayout = UserLayoutInfo[LayoutUser].pLayoutInfo;
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if (!pLayout)
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{
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pLayout = (PLAYOUTINFO)LocalAlloc(LPTR, uLangs * sizeof(LAYOUTINFO));
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if (!pLayout)
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{
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return FALSE;
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}
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UserLayoutInfo[LayoutUser].uLangs = uLangs;
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UserLayoutInfo[LayoutUser].pLayoutInfo = pLayout;
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}
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hIconLayout = GetIconFromHkl(
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pLayout,
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hkl,
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uLangs);
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if (!hIconLayout)
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{
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return FALSE;
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}
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LogonAccount::SetKeyboardIcon(hIconLayout);
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UserLayoutInfo[LayoutUser].hklLast = hkl;
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return TRUE;
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}
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/***************************************************************************\
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* FUNCTION: FreeLayoutInfo
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*
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* PURPOSE: Delete the icon/hkl table and destroy all icons.
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*
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* RETURNS: -
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*
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* HISTORY:
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*
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* 04-17-98 ShanXu Created
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*
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\***************************************************************************/
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void
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FreeLayoutInfo(
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LAYOUT_USER LayoutUser)
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{
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UINT uLangs;
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UINT uCount;
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PLAYOUTINFO pLayoutInfo;
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pLayoutInfo = UserLayoutInfo[LayoutUser].pLayoutInfo;
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if (!pLayoutInfo)
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{
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return;
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}
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uLangs = UserLayoutInfo[LayoutUser].uLangs;
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for (uCount = 0; uCount < uLangs; uCount++)
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{
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DestroyIcon (pLayoutInfo[uCount].hIcon);
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}
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LocalFree(pLayoutInfo);
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UserLayoutInfo[LayoutUser].pLayoutInfo = NULL;
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UserLayoutInfo[LayoutUser].uLangs = 0;
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return;
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}
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/***************************************************************************\
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* FUNCTION: LayoutCheckHandler
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*
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* PURPOSE: Handle layout check. Set appropriate icon if there is
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* a change in keyboard layout.
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*
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* RETURNS: -
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*
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* HISTORY:
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*
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* 04-22-98 ShanXu Created
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*
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\***************************************************************************/
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void
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LayoutCheckHandler(
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LAYOUT_USER LayoutUser)
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{
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HKL hklCurrent;
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hklCurrent = GetKeyboardLayout(0);
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if (hklCurrent != UserLayoutInfo[LayoutUser].hklLast)
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{
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DisplayLanguageIcon(
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LayoutUser,
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hklCurrent);
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}
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}
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