mirror of
https://github.com/reactos/reactos.git
synced 2024-08-26 13:18:51 +00:00
666 lines
18 KiB
C
666 lines
18 KiB
C
/*
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* PROJECT: Keyboard Layout Switcher
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* FILE: base/applications/kbswitch/kbswitch.c
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* PURPOSE: Switching Keyboard Layouts
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* PROGRAMMERS: Dmitry Chapyshev (dmitry@reactos.org)
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* Colin Finck (mail@colinfinck.de)
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* Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
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*/
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#include "kbswitch.h"
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#define WM_NOTIFYICONMSG (WM_USER + 248)
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PKBSWITCHSETHOOKS KbSwitchSetHooks = NULL;
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PKBSWITCHDELETEHOOKS KbSwitchDeleteHooks = NULL;
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UINT ShellHookMessage = 0;
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HINSTANCE hInst;
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HANDLE hProcessHeap;
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HMODULE g_hHookDLL = NULL;
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ULONG ulCurrentLayoutNum = 1;
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HICON g_hTrayIcon = NULL;
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static BOOL
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GetLayoutID(LPCTSTR szLayoutNum, LPTSTR szLCID, SIZE_T LCIDLength)
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{
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DWORD dwBufLen, dwRes;
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HKEY hKey;
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TCHAR szTempLCID[CCH_LAYOUT_ID + 1];
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/* Get the Layout ID */
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if (RegOpenKeyEx(HKEY_CURRENT_USER, _T("Keyboard Layout\\Preload"), 0, KEY_QUERY_VALUE,
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&hKey) == ERROR_SUCCESS)
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{
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dwBufLen = sizeof(szTempLCID);
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dwRes = RegQueryValueEx(hKey, szLayoutNum, NULL, NULL, (LPBYTE)szTempLCID, &dwBufLen);
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if (dwRes != ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return FALSE;
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}
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RegCloseKey(hKey);
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}
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/* Look for a substitute of this layout */
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if (RegOpenKeyEx(HKEY_CURRENT_USER, _T("Keyboard Layout\\Substitutes"), 0,
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KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
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{
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dwBufLen = sizeof(szTempLCID);
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if (RegQueryValueEx(hKey, szTempLCID, NULL, NULL, (LPBYTE)szLCID, &dwBufLen) != ERROR_SUCCESS)
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{
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/* No substitute found, then use the old LCID */
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StringCchCopy(szLCID, LCIDLength, szTempLCID);
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}
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RegCloseKey(hKey);
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}
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else
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{
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/* Substitutes key couldn't be opened, so use the old LCID */
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StringCchCopy(szLCID, LCIDLength, szTempLCID);
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}
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return TRUE;
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}
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static BOOL
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GetLayoutName(LPCTSTR szLayoutNum, LPTSTR szName, SIZE_T NameLength)
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{
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HKEY hKey;
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DWORD dwBufLen;
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TCHAR szBuf[MAX_PATH], szDispName[MAX_PATH], szIndex[MAX_PATH], szPath[MAX_PATH];
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TCHAR szLCID[CCH_LAYOUT_ID + 1];
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HANDLE hLib;
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UINT i, j, k;
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if (!GetLayoutID(szLayoutNum, szLCID, ARRAYSIZE(szLCID)))
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return FALSE;
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StringCchPrintf(szBuf, ARRAYSIZE(szBuf),
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_T("SYSTEM\\CurrentControlSet\\Control\\Keyboard Layouts\\%s"), szLCID);
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, szBuf, 0, KEY_QUERY_VALUE, &hKey) != ERROR_SUCCESS)
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{
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return FALSE;
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}
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/* Use "Layout Display Name" value as an entry name if possible */
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dwBufLen = sizeof(szDispName);
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if (RegQueryValueEx(hKey, _T("Layout Display Name"), NULL, NULL,
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(LPBYTE)szDispName, &dwBufLen) == ERROR_SUCCESS)
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{
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/* FIXME: Use shlwapi!SHLoadRegUIStringW instead if it was implemented */
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if (szDispName[0] == '@')
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{
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size_t len = _tcslen(szDispName);
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for (i = 0; i < len; i++)
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{
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if ((szDispName[i] == ',') && (szDispName[i + 1] == '-'))
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{
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for (j = i + 2, k = 0; j < _tcslen(szDispName)+1; j++, k++)
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{
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szIndex[k] = szDispName[j];
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}
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szDispName[i - 1] = '\0';
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break;
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}
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else szDispName[i] = szDispName[i + 1];
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}
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if (ExpandEnvironmentStrings(szDispName, szPath, ARRAYSIZE(szPath)))
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{
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hLib = LoadLibrary(szPath);
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if (hLib)
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{
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if (LoadString(hLib, _ttoi(szIndex), szPath, ARRAYSIZE(szPath)))
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{
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StringCchCopy(szName, NameLength, szPath);
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RegCloseKey(hKey);
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FreeLibrary(hLib);
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return TRUE;
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}
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FreeLibrary(hLib);
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}
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}
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}
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}
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/* Otherwise, use "Layout Text" value as an entry name */
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dwBufLen = NameLength * sizeof(TCHAR);
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if (RegQueryValueEx(hKey, _T("Layout Text"), NULL, NULL,
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(LPBYTE)szName, &dwBufLen) == ERROR_SUCCESS)
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{
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RegCloseKey(hKey);
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return TRUE;
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}
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RegCloseKey(hKey);
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return FALSE;
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}
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static HICON
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CreateTrayIcon(LPTSTR szLCID)
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{
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LANGID LangID;
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TCHAR szBuf[4];
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HDC hdcScreen, hdc;
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HBITMAP hbmColor, hbmMono, hBmpOld;
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HFONT hFont, hFontOld;
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LOGFONT lf;
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RECT rect;
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ICONINFO IconInfo;
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HICON hIcon;
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INT cxIcon = GetSystemMetrics(SM_CXSMICON);
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INT cyIcon = GetSystemMetrics(SM_CYSMICON);
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/* Getting "EN", "FR", etc. from English, French, ... */
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LangID = LANGIDFROMLCID(_tcstoul(szLCID, NULL, 16));
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if (GetLocaleInfo(LangID,
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LOCALE_SABBREVLANGNAME | LOCALE_NOUSEROVERRIDE,
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szBuf,
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ARRAYSIZE(szBuf)) == 0)
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{
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szBuf[0] = szBuf[1] = _T('?');
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}
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szBuf[2] = 0; /* Truncate the identifier to two characters: "ENG" --> "EN" etc. */
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/* Create hdc, hbmColor and hbmMono */
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hdcScreen = GetDC(NULL);
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hdc = CreateCompatibleDC(hdcScreen);
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hbmColor = CreateCompatibleBitmap(hdcScreen, cxIcon, cyIcon);
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ReleaseDC(NULL, hdcScreen);
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hbmMono = CreateBitmap(cxIcon, cyIcon, 1, 1, NULL);
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/* Checking NULL */
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if (!hdc || !hbmColor || !hbmMono)
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{
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if (hbmMono)
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DeleteObject(hbmMono);
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if (hbmColor)
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DeleteObject(hbmColor);
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if (hdc)
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DeleteDC(hdc);
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return NULL;
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}
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/* Create a font */
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hFont = NULL;
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if (SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0))
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{
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/* Override the current size with something manageable */
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lf.lfHeight = -11;
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lf.lfWidth = 0;
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hFont = CreateFontIndirect(&lf);
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}
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if (!hFont)
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hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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SetRect(&rect, 0, 0, cxIcon, cyIcon);
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/* Draw hbmColor */
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hBmpOld = SelectObject(hdc, hbmColor);
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SetDCBrushColor(hdc, GetSysColor(COLOR_HIGHLIGHT));
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FillRect(hdc, &rect, (HBRUSH)GetStockObject(DC_BRUSH));
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hFontOld = SelectObject(hdc, hFont);
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SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
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SetBkMode(hdc, TRANSPARENT);
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DrawText(hdc, szBuf, 2, &rect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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SelectObject(hdc, hFontOld);
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/* Fill hbmMono with black */
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SelectObject(hdc, hbmMono);
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PatBlt(hdc, 0, 0, cxIcon, cyIcon, BLACKNESS);
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SelectObject(hdc, hBmpOld);
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/* Create an icon from hbmColor and hbmMono */
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IconInfo.fIcon = TRUE;
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IconInfo.xHotspot = IconInfo.yHotspot = 0;
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IconInfo.hbmColor = hbmColor;
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IconInfo.hbmMask = hbmMono;
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hIcon = CreateIconIndirect(&IconInfo);
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/* Clean up */
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DeleteObject(hFont);
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DeleteObject(hbmMono);
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DeleteObject(hbmColor);
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DeleteDC(hdc);
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return hIcon;
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}
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static VOID
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AddTrayIcon(HWND hwnd)
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{
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NOTIFYICONDATA tnid = { sizeof(tnid), hwnd, 1, NIF_ICON | NIF_MESSAGE | NIF_TIP };
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TCHAR szLCID[CCH_LAYOUT_ID + 1], szName[MAX_PATH];
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GetLayoutID(_T("1"), szLCID, ARRAYSIZE(szLCID));
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GetLayoutName(_T("1"), szName, ARRAYSIZE(szName));
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tnid.uCallbackMessage = WM_NOTIFYICONMSG;
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tnid.hIcon = CreateTrayIcon(szLCID);
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StringCchCopy(tnid.szTip, ARRAYSIZE(tnid.szTip), szName);
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Shell_NotifyIcon(NIM_ADD, &tnid);
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if (g_hTrayIcon)
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DestroyIcon(g_hTrayIcon);
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g_hTrayIcon = tnid.hIcon;
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}
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static VOID
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DeleteTrayIcon(HWND hwnd)
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{
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NOTIFYICONDATA tnid = { sizeof(tnid), hwnd, 1 };
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Shell_NotifyIcon(NIM_DELETE, &tnid);
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if (g_hTrayIcon)
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{
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DestroyIcon(g_hTrayIcon);
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g_hTrayIcon = NULL;
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}
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}
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static VOID
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UpdateTrayIcon(HWND hwnd, LPTSTR szLCID, LPTSTR szName)
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{
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NOTIFYICONDATA tnid = { sizeof(tnid), hwnd, 1, NIF_ICON | NIF_MESSAGE | NIF_TIP };
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tnid.uCallbackMessage = WM_NOTIFYICONMSG;
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tnid.hIcon = CreateTrayIcon(szLCID);
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StringCchCopy(tnid.szTip, ARRAYSIZE(tnid.szTip), szName);
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Shell_NotifyIcon(NIM_MODIFY, &tnid);
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if (g_hTrayIcon)
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DestroyIcon(g_hTrayIcon);
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g_hTrayIcon = tnid.hIcon;
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}
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static VOID
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GetLayoutIDByHkl(HKL hKl, LPTSTR szLayoutID, SIZE_T LayoutIDLength)
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{
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StringCchPrintf(szLayoutID, LayoutIDLength, _T("%08lx"), (DWORD)(DWORD_PTR)(hKl));
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}
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static BOOL CALLBACK
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EnumWindowsProc(HWND hwnd, LPARAM lParam)
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{
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PostMessage(hwnd, WM_INPUTLANGCHANGEREQUEST, 0, lParam);
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return TRUE;
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}
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static VOID
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ActivateLayout(HWND hwnd, ULONG uLayoutNum)
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{
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HKL hKl;
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TCHAR szLayoutNum[CCH_ULONG_DEC + 1], szLCID[CCH_LAYOUT_ID + 1], szLangName[MAX_PATH];
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LANGID LangID;
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/* The layout number starts from one. Zero is invalid */
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if (uLayoutNum == 0 || uLayoutNum > 0xFF) /* Invalid */
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return;
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_ultot(uLayoutNum, szLayoutNum, 10);
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GetLayoutID(szLayoutNum, szLCID, ARRAYSIZE(szLCID));
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LangID = (LANGID)_tcstoul(szLCID, NULL, 16);
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/* Switch to the new keyboard layout */
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GetLocaleInfo(LangID, LOCALE_SLANGUAGE, szLangName, ARRAYSIZE(szLangName));
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UpdateTrayIcon(hwnd, szLCID, szLangName);
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hKl = LoadKeyboardLayout(szLCID, KLF_ACTIVATE);
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/* Post WM_INPUTLANGCHANGEREQUEST to every top-level window */
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EnumWindows(EnumWindowsProc, (LPARAM) hKl);
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ulCurrentLayoutNum = uLayoutNum;
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}
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static HMENU
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BuildLeftPopupMenu(VOID)
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{
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HMENU hMenu = CreatePopupMenu();
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HKEY hKey;
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DWORD dwIndex, dwSize;
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TCHAR szLayoutNum[CCH_ULONG_DEC + 1], szName[MAX_PATH];
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/* Add the keyboard layouts to the popup menu */
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if (RegOpenKeyEx(HKEY_CURRENT_USER, _T("Keyboard Layout\\Preload"), 0,
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KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
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{
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for (dwIndex = 0; ; dwIndex++)
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{
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dwSize = sizeof(szLayoutNum);
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if (RegEnumValue(hKey, dwIndex, szLayoutNum, &dwSize, NULL, NULL,
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NULL, NULL) != ERROR_SUCCESS)
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{
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break;
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}
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if (!GetLayoutName(szLayoutNum, szName, ARRAYSIZE(szName)))
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continue;
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AppendMenu(hMenu, MF_STRING, _ttoi(szLayoutNum), szName);
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}
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CheckMenuItem(hMenu, ulCurrentLayoutNum, MF_CHECKED);
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RegCloseKey(hKey);
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}
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return hMenu;
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}
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static ULONG
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GetMaxLayoutNum(VOID)
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{
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HKEY hKey;
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ULONG dwIndex, dwSize, uLayoutNum, uMaxLayoutNum = 0;
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TCHAR szLayoutNum[CCH_ULONG_DEC + 1], szLayoutID[CCH_LAYOUT_ID + 1];
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/* Get the maximum layout number in the Preload key */
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if (RegOpenKeyEx(HKEY_CURRENT_USER, _T("Keyboard Layout\\Preload"), 0,
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KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
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{
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for (dwIndex = 0; ; dwIndex++)
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{
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dwSize = sizeof(szLayoutNum);
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if (RegEnumValue(hKey, dwIndex, szLayoutNum, &dwSize, NULL, NULL,
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NULL, NULL) != ERROR_SUCCESS)
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{
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break;
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}
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if (GetLayoutID(szLayoutNum, szLayoutID, ARRAYSIZE(szLayoutID)))
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{
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uLayoutNum = _ttoi(szLayoutNum);
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if (uMaxLayoutNum < uLayoutNum)
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uMaxLayoutNum = uLayoutNum;
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}
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}
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RegCloseKey(hKey);
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}
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return uMaxLayoutNum;
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}
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BOOL
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SetHooks(VOID)
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{
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g_hHookDLL = LoadLibrary(_T("kbsdll.dll"));
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if (!g_hHookDLL)
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{
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return FALSE;
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}
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KbSwitchSetHooks = (PKBSWITCHSETHOOKS) GetProcAddress(g_hHookDLL, "KbSwitchSetHooks");
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KbSwitchDeleteHooks = (PKBSWITCHDELETEHOOKS) GetProcAddress(g_hHookDLL, "KbSwitchDeleteHooks");
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if (KbSwitchSetHooks == NULL || KbSwitchDeleteHooks == NULL)
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{
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return FALSE;
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}
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return KbSwitchSetHooks();
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}
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VOID
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DeleteHooks(VOID)
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{
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if (KbSwitchDeleteHooks) KbSwitchDeleteHooks();
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if (g_hHookDLL) FreeLibrary(g_hHookDLL);
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}
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ULONG
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GetNextLayout(VOID)
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{
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TCHAR szLayoutNum[3 + 1], szLayoutID[CCH_LAYOUT_ID + 1];
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ULONG uLayoutNum, uMaxNum = GetMaxLayoutNum();
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for (uLayoutNum = ulCurrentLayoutNum + 1; ; ++uLayoutNum)
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{
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if (uLayoutNum > uMaxNum)
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uLayoutNum = 1;
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if (uLayoutNum == ulCurrentLayoutNum)
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break;
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_ultot(uLayoutNum, szLayoutNum, 10);
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if (GetLayoutID(szLayoutNum, szLayoutID, ARRAYSIZE(szLayoutID)))
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return uLayoutNum;
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}
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return ulCurrentLayoutNum;
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}
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LRESULT
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UpdateLanguageDisplay(HWND hwnd, HKL hKl)
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{
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TCHAR szLCID[MAX_PATH], szLangName[MAX_PATH];
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LANGID LangID;
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GetLayoutIDByHkl(hKl, szLCID, ARRAYSIZE(szLCID));
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LangID = (LANGID)_tcstoul(szLCID, NULL, 16);
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GetLocaleInfo(LangID, LOCALE_SLANGUAGE, szLangName, ARRAYSIZE(szLangName));
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UpdateTrayIcon(hwnd, szLCID, szLangName);
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return 0;
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}
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LRESULT
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UpdateLanguageDisplayCurrent(HWND hwnd, WPARAM wParam)
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{
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DWORD dwThreadID = GetWindowThreadProcessId((HWND)wParam, 0);
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HKL hKL = GetKeyboardLayout(dwThreadID);
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return UpdateLanguageDisplay(hwnd, hKL);
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}
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LRESULT CALLBACK
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WndProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
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{
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static HMENU s_hMenu = NULL, s_hRightPopupMenu = NULL;
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static UINT s_uTaskbarRestart;
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POINT pt;
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HMENU hLeftPopupMenu;
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switch (Message)
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{
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case WM_CREATE:
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{
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if (!SetHooks())
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return -1;
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AddTrayIcon(hwnd);
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ActivateLayout(hwnd, ulCurrentLayoutNum);
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s_uTaskbarRestart = RegisterWindowMessage(TEXT("TaskbarCreated"));
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break;
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}
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case WM_LANG_CHANGED:
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{
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return UpdateLanguageDisplay(hwnd, (HKL)lParam);
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}
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case WM_LOAD_LAYOUT:
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{
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ULONG uNextNum = GetNextLayout();
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if (ulCurrentLayoutNum != uNextNum)
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ActivateLayout(hwnd, uNextNum);
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break;
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}
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case WM_WINDOW_ACTIVATE:
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{
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return UpdateLanguageDisplayCurrent(hwnd, wParam);
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}
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case WM_NOTIFYICONMSG:
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{
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switch (lParam)
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{
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case WM_RBUTTONUP:
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case WM_LBUTTONUP:
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{
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GetCursorPos(&pt);
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SetForegroundWindow(hwnd);
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if (lParam == WM_LBUTTONUP)
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{
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/* Rebuild the left popup menu on every click to take care of keyboard layout changes */
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hLeftPopupMenu = BuildLeftPopupMenu();
|
|
TrackPopupMenu(hLeftPopupMenu, 0, pt.x, pt.y, 0, hwnd, NULL);
|
|
DestroyMenu(hLeftPopupMenu);
|
|
}
|
|
else
|
|
{
|
|
if (!s_hRightPopupMenu)
|
|
{
|
|
s_hMenu = LoadMenu(hInst, MAKEINTRESOURCE(IDR_POPUP));
|
|
s_hRightPopupMenu = GetSubMenu(s_hMenu, 0);
|
|
}
|
|
TrackPopupMenu(s_hRightPopupMenu, 0, pt.x, pt.y, 0, hwnd, NULL);
|
|
}
|
|
|
|
PostMessage(hwnd, WM_NULL, 0, 0);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WM_COMMAND:
|
|
switch (LOWORD(wParam))
|
|
{
|
|
case ID_EXIT:
|
|
{
|
|
SendMessage(hwnd, WM_CLOSE, 0, 0);
|
|
break;
|
|
}
|
|
|
|
case ID_PREFERENCES:
|
|
{
|
|
SHELLEXECUTEINFO shInputDll = { sizeof(shInputDll) };
|
|
shInputDll.hwnd = hwnd;
|
|
shInputDll.lpVerb = _T("open");
|
|
shInputDll.lpFile = _T("rundll32.exe");
|
|
shInputDll.lpParameters = _T("shell32.dll,Control_RunDLL input.dll");
|
|
if (!ShellExecuteEx(&shInputDll))
|
|
MessageBox(hwnd, _T("Can't start input.dll"), NULL, MB_OK | MB_ICONERROR);
|
|
|
|
break;
|
|
}
|
|
|
|
case ID_NEXTLAYOUT:
|
|
{
|
|
ActivateLayout(hwnd, GetNextLayout());
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
ActivateLayout(hwnd, LOWORD(wParam));
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_SETTINGCHANGE:
|
|
{
|
|
if (wParam == SPI_SETDEFAULTINPUTLANG)
|
|
{
|
|
//FIXME: Should detect default language changes by CPL applet or by other tools and update UI
|
|
}
|
|
if (wParam == SPI_SETNONCLIENTMETRICS)
|
|
{
|
|
return UpdateLanguageDisplayCurrent(hwnd, wParam);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
{
|
|
DeleteHooks();
|
|
DestroyMenu(s_hMenu);
|
|
DeleteTrayIcon(hwnd);
|
|
PostQuitMessage(0);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
if (Message == s_uTaskbarRestart)
|
|
{
|
|
AddTrayIcon(hwnd);
|
|
break;
|
|
}
|
|
else if (Message == ShellHookMessage && wParam == HSHELL_LANGUAGE)
|
|
{
|
|
PostMessage(hwnd, WM_LANG_CHANGED, wParam, lParam);
|
|
break;
|
|
}
|
|
return DefWindowProc(hwnd, Message, wParam, lParam);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
INT WINAPI
|
|
_tWinMain(HINSTANCE hInstance, HINSTANCE hPrevInst, LPTSTR lpCmdLine, INT nCmdShow)
|
|
{
|
|
WNDCLASS WndClass;
|
|
MSG msg;
|
|
HANDLE hMutex;
|
|
HWND hwnd;
|
|
|
|
switch (GetUserDefaultUILanguage())
|
|
{
|
|
case MAKELANGID(LANG_HEBREW, SUBLANG_DEFAULT):
|
|
SetProcessDefaultLayout(LAYOUT_RTL);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
hMutex = CreateMutex(NULL, FALSE, szKbSwitcherName);
|
|
if (!hMutex)
|
|
return 1;
|
|
|
|
if (GetLastError() == ERROR_ALREADY_EXISTS)
|
|
{
|
|
CloseHandle(hMutex);
|
|
return 1;
|
|
}
|
|
|
|
hInst = hInstance;
|
|
hProcessHeap = GetProcessHeap();
|
|
|
|
ZeroMemory(&WndClass, sizeof(WndClass));
|
|
WndClass.lpfnWndProc = WndProc;
|
|
WndClass.hInstance = hInstance;
|
|
WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
|
|
WndClass.lpszClassName = szKbSwitcherName;
|
|
if (!RegisterClass(&WndClass))
|
|
{
|
|
CloseHandle(hMutex);
|
|
return 1;
|
|
}
|
|
|
|
hwnd = CreateWindow(szKbSwitcherName, NULL, 0, 0, 0, 1, 1, HWND_DESKTOP, NULL, hInstance, NULL);
|
|
ShellHookMessage = RegisterWindowMessage(L"SHELLHOOK");
|
|
RegisterShellHookWindow(hwnd);
|
|
|
|
while (GetMessage(&msg, NULL, 0, 0))
|
|
{
|
|
TranslateMessage(&msg);
|
|
DispatchMessage(&msg);
|
|
}
|
|
|
|
CloseHandle(hMutex);
|
|
return 0;
|
|
}
|