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b6fc0165eb
Notepad3/src/Helpers.c
RaiKoHoff b6fc0165eb + chg: remove "extra" drag n' drop handler
2020-01-17 12:48:14 +01:00

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// encoding: UTF-8
/******************************************************************************
* *
* *
* Notepad3 *
* *
* Helpers.c *
* General helper functions *
* Based on code from Notepad2, (c) Florian Balmer 1996-2011 *
* Parts taken from SciTE, (c) Neil Hodgson *
* MinimizeToTray, (c) 2000 Matthew Ellis *
* *
* (c) Rizonesoft 2008-2020 *
* https://rizonesoft.com *
* *
* *
*******************************************************************************/
#include "Helpers.h"
#include <shlobj.h>
#include <shellapi.h>
#include <ctype.h>
//#include <pathcch.h>
#include "resource.h"
#include "Edit.h"
#include "Encoding.h"
#include "MuiLanguage.h"
#include "Notepad3.h"
#include "Dialogs.h"
#include "Config/Config.h"
#include "Scintilla.h"
//=============================================================================
#if (defined(_DEBUG) || defined(DEBUG)) && !defined(NDEBUG)
void DbgLog(const char *fmt, ...) {
char buf[1024] = "";
va_list va;
va_start(va, fmt);
wvsprintfA(buf, fmt, va);
va_end(va);
OutputDebugStringA(buf);
}
#endif
//=============================================================================
//
// Cut of substrings defined by pattern
//
CHAR* StrCutIA(CHAR* s,const CHAR* pattern)
{
CHAR* p = NULL;
do {
p = StrStrIA(s,pattern);
if (p) {
CHAR* q = p + StringCchLenA(pattern,0);
while (*p != '\0') { *p++ = *q++; }
}
} while (p);
return s;
}
WCHAR* StrCutIW(WCHAR* s,const WCHAR* pattern)
{
WCHAR* p = NULL;
do {
p = StrStrIW(s,pattern);
if (p) {
WCHAR* q = p + StringCchLen(pattern,0);
while (*p != L'\0') { *p++ = *q++; }
}
} while (p);
return s;
}
//=============================================================================
//=============================================================================
//
// StrDelChrA()
//
bool StrDelChrA(LPSTR pszSource, LPCSTR pCharsToRemove)
{
if (!pszSource || !pCharsToRemove)
return false;
LPSTR pch = pszSource;
while (*pch) {
LPSTR prem = pch;
while (StrChrA(pCharsToRemove, *prem)) {
++prem;
}
if (prem > pch) {
MoveMemory(pch, prem, sizeof(CHAR)*(StringCchLenA(prem,0) + 1));
}
++pch;
}
return true;
}
//=============================================================================
//
// Find next token in string
//
CHAR* StrNextTokA(CHAR* strg, const CHAR* tokens)
{
CHAR* n = NULL;
const CHAR* t = tokens;
while (t && *t) {
CHAR* const f = StrChrA(strg, *t);
if (!n || (f && (f < n))) {
n = f;
}
++t;
}
return n;
}
WCHAR* StrNextTokW(WCHAR* strg, const WCHAR* tokens)
{
WCHAR* n = NULL;
const WCHAR* t = tokens;
while (t && *t) {
WCHAR* const f = StrChrW(strg, *t);
if (!n || (f && (f < n))) {
n = f;
}
++t;
}
return n;
}
//=============================================================================
//
// GetWinVersionString()
//
static OSVERSIONINFOEX s_OSversion = { 0 };
static void _GetTrueWindowsVersion()
{
// clear
ZeroMemory(&s_OSversion, sizeof(OSVERSIONINFOEX));
s_OSversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
// Function pointer to driver function
void (WINAPI *pRtlGetVersion)(PRTL_OSVERSIONINFOW lpVersionInformation) = NULL;
// load the System-DLL
HINSTANCE hNTdllDll = LoadLibrary(L"ntdll.dll");
if (hNTdllDll != NULL)
{
// get the function pointer to RtlGetVersion
pRtlGetVersion = (void (WINAPI*)(PRTL_OSVERSIONINFOW)) GetProcAddress(hNTdllDll, "RtlGetVersion");
if (pRtlGetVersion != NULL) {
pRtlGetVersion((PRTL_OSVERSIONINFOW)& s_OSversion);
}
FreeLibrary(hNTdllDll);
} // if (hNTdllDll != NULL)
#pragma warning ( push )
#pragma warning ( disable: 4996 )
// if function failed, use fallback to old version
if (pRtlGetVersion == NULL) {
GetVersionEx((OSVERSIONINFO*)& s_OSversion);
}
#pragma warning ( pop )
}
// ----------------------------------------------------------------------------
static DWORD _Win10BuildToReleaseId(DWORD build)
{
if (build >= 18363) {
return 1909;
}
else if (build >= 18362) {
return 1903;
}
else if (build >= 17763) {
return 1809;
}
else if (build >= 17134) {
return 1803;
}
else if (build >= 16299) {
return 1709;
}
else if (build >= 15063) {
return 1809;
}
else if (build >= 14393) {
return 1607;
}
else {
return 1507;
}
}
// ----------------------------------------------------------------------------
void GetWinVersionString(LPWSTR szVersionStr, size_t cchVersionStr)
{
StringCchCopy(szVersionStr, cchVersionStr, L"OS Version: Windows ");
if (IsWin10OrHigher()) {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Server 2016 " : L"10 ");
}
else if (IsWin81OrHigher()) {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Server 2012 R2 " : L"8.1");
}
else if (IsWin8OrHigher()) {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Server 2012 " : L"8");
}
else if (IsWin71OrHigher()) {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Server 2008 R2 " : L"7 (SP1)");
}
else if (IsWin7OrHigher()) {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Server 2008 " : L"7");
}
else {
StringCchCat(szVersionStr, cchVersionStr, IsWinServer() ? L"Unkown Server " : L"?");
}
if (IsWin10OrHigher()) {
WCHAR win10ver[80] = { L'\0' };
if (s_OSversion.dwOSVersionInfoSize == 0) { _GetTrueWindowsVersion(); }
DWORD const build = s_OSversion.dwBuildNumber;
StringCchPrintf(win10ver, COUNTOF(win10ver), L" Version %i (Build %i)",
_Win10BuildToReleaseId(build) , build);
StringCchCat(szVersionStr, cchVersionStr, win10ver);
}
}
//=============================================================================
//
// SetClipboardWchTextW()
//
bool SetClipboardTextW(HWND hwnd, LPCWSTR pszTextW, size_t cchTextW)
{
if (!OpenClipboard(hwnd)) { return false; }
HANDLE hData = GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, (cchTextW + 1) * sizeof(WCHAR));
if (hData) {
WCHAR* pszNew = GlobalLock(hData);
if (pszNew) {
StringCchCopy(pszNew, cchTextW + 1, pszTextW);
GlobalUnlock(hData);
EmptyClipboard();
SetClipboardData(CF_UNICODETEXT, hData);
}
CloseClipboard();
// cppcheck-suppress memleak // ClipBoard is owner now
return true;
}
CloseClipboard();
return false;
}
//=============================================================================
//
// ConvertIconToBitmap()
//
HBITMAP ConvertIconToBitmap(const HICON hIcon, const int cx, const int cy)
{
const HDC hScreenDC = GetDC(NULL);
const HBITMAP hbmpTmp = CreateCompatibleBitmap(hScreenDC, cx, cy);
const HDC hMemDC = CreateCompatibleDC(hScreenDC);
const HBITMAP hOldBmp = SelectObject(hMemDC, hbmpTmp);
DrawIconEx(hMemDC, 0, 0, hIcon, cx, cy, 0, NULL, DI_NORMAL);
SelectObject(hMemDC, hOldBmp);
const HBITMAP hDibBmp = (HBITMAP)CopyImage((HANDLE)hbmpTmp, IMAGE_BITMAP, 0, 0, LR_DEFAULTSIZE | LR_CREATEDIBSECTION);
DeleteObject(hbmpTmp);
DeleteDC(hMemDC);
ReleaseDC(NULL, hScreenDC);
return hDibBmp;
}
//=============================================================================
//
// SetUACIcon()
//
void SetUACIcon(const HMENU hMenu, const UINT nItem)
{
static bool bInitialized = false;
if (bInitialized) { return; }
//const int cx = GetSystemMetrics(SM_CYMENU) - 4;
//const int cy = cx;
int const cx = GetSystemMetrics(SM_CXSMICON);
int const cy = GetSystemMetrics(SM_CYSMICON);
if (Globals.hIconMsgShieldSmall)
{
MENUITEMINFO mii = { 0 };
mii.cbSize = sizeof(mii);
mii.fMask = MIIM_BITMAP;
mii.hbmpItem = ConvertIconToBitmap(Globals.hIconMsgShieldSmall, cx, cy);
SetMenuItemInfo(hMenu, nItem, FALSE, &mii);
}
bInitialized = true;
}
//=============================================================================
//
// GetCurrentDPI()
//
DPI_T GetCurrentDPI(HWND hwnd) {
DPI_T curDPI = { 0, 0 };
if (IsWin10OrHigher()) {
HMODULE const hModule = GetModuleHandle(L"user32.dll");
if (hModule) {
FARPROC const pfnGetDpiForWindow = GetProcAddress(hModule, "GetDpiForWindow");
if (pfnGetDpiForWindow) {
curDPI.x = curDPI.y = (UINT)pfnGetDpiForWindow(hwnd);
}
}
}
if ((curDPI.x == 0) && IsWin81OrHigher()) {
HMODULE hShcore = LoadLibrary(L"shcore.dll");
if (hShcore) {
FARPROC const pfnGetDpiForMonitor = GetProcAddress(hShcore, "GetDpiForMonitor");
if (pfnGetDpiForMonitor) {
HMONITOR const hMonitor = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
UINT dpiX = 0, dpiY = 0;
if (pfnGetDpiForMonitor(hMonitor, 0 /* MDT_EFFECTIVE_DPI */, &dpiX, &dpiY) == S_OK) {
curDPI.x = dpiX;
curDPI.y = dpiY;
}
}
FreeLibrary(hShcore);
}
}
if (curDPI.x == 0) {
HDC hDC = GetDC(hwnd);
curDPI.x = GetDeviceCaps(hDC, LOGPIXELSX);
curDPI.y = GetDeviceCaps(hDC, LOGPIXELSY);
ReleaseDC(hwnd, hDC);
}
curDPI.x = max_u(curDPI.x, USER_DEFAULT_SCREEN_DPI);
curDPI.y = max_u(curDPI.y, USER_DEFAULT_SCREEN_DPI);
return curDPI;
}
//=============================================================================
//
// GetCurrentPPI()
// (font size) points per inch
//
DPI_T GetCurrentPPI(HWND hwnd) {
HDC const hDC = GetDC(hwnd);
DPI_T ppi;
ppi.x = max_u(GetDeviceCaps(hDC, LOGPIXELSX), USER_DEFAULT_SCREEN_DPI);
ppi.y = max_u(GetDeviceCaps(hDC, LOGPIXELSY), USER_DEFAULT_SCREEN_DPI);
ReleaseDC(hwnd, hDC);
return ppi;
}
/*
if (!bSucceed) {
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof(NONCLIENTMETRICS);
SystemParametersInfo(SPI_GETNONCLIENTMETRICS,sizeof(NONCLIENTMETRICS),&ncm,0);
if (ncm.lfMessageFont.lfHeight < 0)
ncm.lfMessageFont.lfHeight = -ncm.lfMessageFont.lfHeight;
*wSize = (WORD)MulDiv(ncm.lfMessageFont.lfHeight,72,iLogPixelsY);
if (*wSize == 0)
*wSize = 8;
}*/
//=============================================================================
//
// GetSystemMetricsEx()
// get system metric for current DPI
// https://docs.microsoft.com/de-de/windows/desktop/api/winuser/nf-winuser-getsystemmetricsfordpi
//
int GetSystemMetricsEx(int nValue) {
return ScaleIntToCurrentDPI(GetSystemMetrics(nValue));
}
//=============================================================================
//
// UpdateWindowLayoutForDPI()
//
void UpdateWindowLayoutForDPI(HWND hWnd, int x_96dpi, int y_96dpi, int w_96dpi, int h_96dpi)
{
// only update yet
SetWindowPos(hWnd, hWnd, x_96dpi, y_96dpi, w_96dpi, h_96dpi,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOREPOSITION );
// TODO: ...
#if 0
DPI_T const wndDPI = GetCurrentDPI(hWnd);
int dpiScaledX = MulDiv(x_96dpi, wndDPI.x, 96);
int dpiScaledY = MulDiv(y_96dpi, wndDPI.y, 96);
int dpiScaledWidth = MulDiv(w_96dpi, wndDPI.y, 96);
int dpiScaledHeight = MulDiv(h_96dpi, wndDPI.y, 96);
SetWindowPos(hWnd, hWnd, dpiScaledX, dpiScaledY, dpiScaledWidth, dpiScaledY, SWP_NOZORDER | SWP_NOACTIVATE);
#endif
}
//=============================================================================
//
// ResizeImageForCurrentDPI()
//
HBITMAP ResizeImageForCurrentDPI(HBITMAP hbmp)
{
if (hbmp) {
BITMAP bmp;
if (GetObject(hbmp, sizeof(BITMAP), &bmp)) {
UINT const uDPIUnit = (UINT)(USER_DEFAULT_SCREEN_DPI / 2U);
UINT uDPIScaleFactor = max_u(1U, (UINT)MulDiv(bmp.bmHeight, 8, 64));
UINT const uDPIBase = (uDPIScaleFactor - 1U) * uDPIUnit;
if (Globals.CurrentDPI.x > (uDPIBase + uDPIUnit)) {
int width = MulDiv(bmp.bmWidth, (Globals.CurrentDPI.x - uDPIBase), uDPIUnit);
int height = MulDiv(bmp.bmHeight, (Globals.CurrentDPI.y - uDPIBase), uDPIUnit);
HBITMAP hCopy = CopyImage(hbmp, IMAGE_BITMAP, width, height, LR_CREATEDIBSECTION | LR_COPYRETURNORG | LR_COPYDELETEORG);
if (hCopy) {
hbmp = hCopy;
}
}
}
}
return hbmp;
}
//=============================================================================
//
// PrivateSetCurrentProcessExplicitAppUserModelID()
//
HRESULT PrivateSetCurrentProcessExplicitAppUserModelID(PCWSTR AppID)
{
if (StrIsEmpty(AppID)) { return(S_OK); }
if (StringCchCompareXI(AppID, L"(default)") == 0) { return(S_OK); }
return SetCurrentProcessExplicitAppUserModelID(AppID);
}
//=============================================================================
//
// IsProcessElevated()
//
// PURPOSE: The function gets the elevation information of the current
// process. It dictates whether the process is elevated or not. Token
// elevation is only available on Windows Vista and newer operating
// systems, thus IsProcessElevated throws a C++ exception if it is called
// on systems prior to Windows Vista. It is not appropriate to use this
// function to determine whether a process is run as administartor.
//
// RETURN VALUE: Returns TRUE if the process is elevated. Returns FALSE if
// it is not.
//
// NOTE: TOKEN_INFORMATION_CLASS provides TokenElevationType to check the
// elevation type (TokenElevationTypeDefault / TokenElevationTypeLimited /
// TokenElevationTypeFull) of the process. It is different from
// TokenElevation in that, when UAC is turned off, elevation type always
// returns TokenElevationTypeDefault even though the process is elevated
// (Integrity Level == High). In other words, it is not safe to say if the
// process is elevated based on elevation type. Instead, we should use
// TokenElevation.
//
bool IsProcessElevated() {
// When the process is run on operating systems prior to Windows
// Vista, GetTokenInformation returns FALSE with the
// ERROR_INVALID_PARAMETER error code because TokenElevation is
// not supported on those operating systems.
if (!IsVistaOrHigher()) { return false; }
bool bIsElevated = false;
HANDLE hToken = NULL;
Globals.dwLastError = ERROR_SUCCESS;
const WCHAR* pLastErrMsg = L"";
do {
if (OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
{
TOKEN_ELEVATION elevationToken;
DWORD expectedRetVal = sizeof(TOKEN_ELEVATION);
DWORD dwReturnLength = 0;
if (GetTokenInformation(hToken, TokenElevation, &elevationToken, expectedRetVal, &dwReturnLength))
{
if (dwReturnLength == expectedRetVal) {
bIsElevated = elevationToken.TokenIsElevated;
}
}
}
else {
Globals.dwLastError = GetLastError();
pLastErrMsg = L"IsProcessElevated()";
break;
}
} while (false); // Centralized cleanup for all allocated resources.
if (hToken) {
CloseHandle(hToken);
hToken = NULL;
}
if (Globals.dwLastError != ERROR_SUCCESS) {
MsgBoxLastError(pLastErrMsg, Globals.dwLastError);
}
return bIsElevated;
}
#if 0
//=============================================================================
//
// IsUserAdmin()
//
// Routine Description: This routine returns TRUE if the caller's
// process is a member of the Administrators local group. Caller is NOT
// expected to be impersonating anyone and is expected to be able to
// open its own process and process token.
// Arguments: None.
// Return Value:
// true - Caller has Administrators local group.
// false - Caller does not have Administrators local group. --
//
bool IsUserAdmin()
{
PSID pAdminGroup;
SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
BOOL bIsAdmin = AllocateAndInitializeSid(&NtAuthority, 2,
SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &pAdminGroup);
if (bIsAdmin) {
if (!CheckTokenMembership(NULL, pAdminGroup, &bIsAdmin)) {
bIsAdmin = false;
}
FreeSid(pAdminGroup);
}
return bIsAdmin;
}
#endif
//=============================================================================
//
// IsUserInAdminGroup()
//
// PURPOSE: The function checks whether the primary access token of the
// process belongs to user account that is a member of the local
// Administrators group, even if it currently is not elevated.
//
// RETURN VALUE: Returns TRUE if the primary access token of the process
// belongs to user account that is a member of the local Administrators
// group. Returns FALSE if the token does not.
//
//
//
bool IsUserInAdminGroup()
{
BOOL fInAdminGroup = FALSE;
HANDLE hToken = NULL;
HANDLE hTokenToCheck = NULL;
Globals.dwLastError = ERROR_SUCCESS;
const WCHAR* pLastErrMsg = L"";
do {
// Open the primary access token of the process for query and duplicate.
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY | TOKEN_DUPLICATE, &hToken))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"OpenProcessToken()";
break;
}
DWORD cbSize = 0;
// Determine token type: limited, elevated, or default.
TOKEN_ELEVATION_TYPE elevType;
if (!GetTokenInformation(hToken, TokenElevationType, &elevType, sizeof(elevType), &cbSize))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"GetTokenInformation()";
break;
}
// If limited, get the linked elevated token for further check.
if (TokenElevationTypeLimited == elevType)
{
if (!GetTokenInformation(hToken, TokenLinkedToken, &hTokenToCheck, sizeof(hTokenToCheck), &cbSize))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"GetTokenInformation()";
break;
}
}
// CheckTokenMembership requires an impersonation token. If we just got a
// linked token, it already is an impersonation token. If we did not get
// a linked token, duplicate the original into an impersonation token for
// CheckTokenMembership.
if (!hTokenToCheck)
{
if (!DuplicateToken(hToken, SecurityIdentification, &hTokenToCheck))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"DuplicateToken()";
break;
}
}
// Create the SID corresponding to the Administrators group.
BYTE adminSID[SECURITY_MAX_SID_SIZE];
cbSize = sizeof(adminSID);
if (!CreateWellKnownSid(WinBuiltinAdministratorsSid, NULL, &adminSID, &cbSize))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"CreateWellKnownSid()";
break;
}
// Check if the token to be checked contains admin SID.
// http://msdn.microsoft.com/en-us/library/aa379596(VS.85).aspx:
// To determine whether a SID is enabled in a token, that is, whether it
// has the SE_GROUP_ENABLED attribute, call CheckTokenMembership.
if (!CheckTokenMembership(hTokenToCheck, &adminSID, &fInAdminGroup))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"CheckTokenMembership()";
break;
}
} while (false); // Centralized cleanup for all allocated resources.
if (hToken)
{
CloseHandle(hToken);
hToken = NULL;
}
if (hTokenToCheck)
{
CloseHandle(hTokenToCheck);
hTokenToCheck = NULL;
}
if (Globals.dwLastError != ERROR_SUCCESS) {
MsgBoxLastError(pLastErrMsg, Globals.dwLastError);
}
return fInAdminGroup;
}
//=============================================================================
//
// IsRunAsAdmin()
//
// PURPOSE: The function checks whether the current process is run as
// administrator. In other words, it dictates whether the primary access
// token of the process belongs to user account that is a member of the
// local Administrators group and it is elevated.
//
// RETURN VALUE: Returns TRUE if the primary access token of the process
// belongs to user account that is a member of the local Administrators
// group and it is elevated. Returns FALSE if the token does not.
//
bool IsRunAsAdmin()
{
BOOL fIsRunAsAdmin = FALSE;
PSID pAdministratorsGroup = NULL;
Globals.dwLastError = ERROR_SUCCESS;
const WCHAR* pLastErrMsg = L"";
do {
// Allocate and initialize a SID of the administrators group.
SID_IDENTIFIER_AUTHORITY NtAuthority = SECURITY_NT_AUTHORITY;
if (!AllocateAndInitializeSid(
&NtAuthority,
2,
SECURITY_BUILTIN_DOMAIN_RID,
DOMAIN_ALIAS_RID_ADMINS,
0, 0, 0, 0, 0, 0,
&pAdministratorsGroup))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"AllocateAndInitializeSid()";
break;
}
// Determine whether the SID of administrators group is enabled in
// the primary access token of the process.
if (!CheckTokenMembership(NULL, pAdministratorsGroup, &fIsRunAsAdmin))
{
Globals.dwLastError = GetLastError();
pLastErrMsg = L"CheckTokenMembership()";
break;
}
} while (false); // Centralized cleanup for all allocated resources.
// Centralized cleanup for all allocated resources.
if (pAdministratorsGroup)
{
FreeSid(pAdministratorsGroup);
pAdministratorsGroup = NULL;
}
return (bool)fIsRunAsAdmin;
}
//=============================================================================
//
// SetExplorerTheme()
//
//bool SetExplorerTheme(HWND hwnd)
//{
// FARPROC pfnSetWindowTheme;
//
// if (IsVistaOrHigher()) {
// if (hLocalModUxTheme) {
// pfnSetWindowTheme = GetProcAddress(hLocalModUxTheme,"SetWindowTheme");
//
// if (pfnSetWindowTheme)
// return (S_OK == pfnSetWindowTheme(hwnd,L"Explorer",NULL));
// }
// }
// return false;
//}
//=============================================================================
//
// BitmapMergeAlpha()
// Merge alpha channel into color channel
//
bool BitmapMergeAlpha(HBITMAP hbmp,COLORREF crDest)
{
BITMAP bmp;
if (GetObject(hbmp,sizeof(BITMAP),&bmp)) {
if (bmp.bmBitsPixel == 32) {
RGBQUAD *prgba = bmp.bmBits;
if (prgba) {
for (int y = 0; y < bmp.bmHeight; y++) {
for (int x = 0; x < bmp.bmWidth; x++) {
BYTE alpha = prgba[x].rgbReserved;
prgba[x].rgbRed = ((prgba[x].rgbRed * alpha) + (GetRValue(crDest) * (255 - alpha))) >> 8;
prgba[x].rgbGreen = ((prgba[x].rgbGreen * alpha) + (GetGValue(crDest) * (255 - alpha))) >> 8;
prgba[x].rgbBlue = ((prgba[x].rgbBlue * alpha) + (GetBValue(crDest) * (255 - alpha))) >> 8;
prgba[x].rgbReserved = 0xFF;
}
prgba = (RGBQUAD*)((LPBYTE)prgba + bmp.bmWidthBytes);
}
return true;
}
}
}
return false;
}
//=============================================================================
//
// BitmapAlphaBlend()
// Perform alpha blending to color channel only
//
bool BitmapAlphaBlend(HBITMAP hbmp,COLORREF crDest,BYTE alpha)
{
BITMAP bmp;
if (GetObject(hbmp,sizeof(BITMAP),&bmp)) {
if (bmp.bmBitsPixel == 32) {
RGBQUAD *prgba = bmp.bmBits;
if (prgba) {
for (int y = 0; y < bmp.bmHeight; y++) {
for (int x = 0; x < bmp.bmWidth; x++) {
prgba[x].rgbRed = ((prgba[x].rgbRed * alpha) + (GetRValue(crDest) * (255 - alpha))) >> 8;
prgba[x].rgbGreen = ((prgba[x].rgbGreen * alpha) + (GetGValue(crDest) * (255 - alpha))) >> 8;
prgba[x].rgbBlue = ((prgba[x].rgbBlue * alpha) + (GetBValue(crDest) * (255 - alpha))) >> 8;
}
prgba = (RGBQUAD*)((LPBYTE)prgba + bmp.bmWidthBytes);
}
return true;
}
}
}
return false;
}
//=============================================================================
//
// BitmapGrayScale()
// Gray scale color channel only
//
bool BitmapGrayScale(HBITMAP hbmp)
{
BITMAP bmp;
if (GetObject(hbmp,sizeof(BITMAP),&bmp)) {
if (bmp.bmBitsPixel == 32) {
RGBQUAD *prgba = bmp.bmBits;
if (prgba) {
for (int y = 0; y < bmp.bmHeight; y++) {
for (int x = 0; x < bmp.bmWidth; x++) {
prgba[x].rgbRed = prgba[x].rgbGreen = prgba[x].rgbBlue =
(((BYTE)((prgba[x].rgbRed * 38 + prgba[x].rgbGreen * 75 + prgba[x].rgbBlue * 15) >> 7) * 0x80) + (0xD0 * (255 - 0x80))) >> 8;
}
prgba = (RGBQUAD*)((LPBYTE)prgba + bmp.bmWidthBytes);
}
return true;
}
}
}
return false;
}
//=============================================================================
//
// VerifyContrast()
// Check if two colors can be distinguished
//
bool VerifyContrast(COLORREF cr1,COLORREF cr2)
{
BYTE r1 = GetRValue(cr1);
BYTE g1 = GetGValue(cr1);
BYTE b1 = GetBValue(cr1);
BYTE r2 = GetRValue(cr2);
BYTE g2 = GetGValue(cr2);
BYTE b2 = GetBValue(cr2);
return(
((abs((3*r1 + 5*g1 + 1*b1) - (3*r2 + 6*g2 + 1*b2))) >= 400) ||
((abs(r1-r2) + abs(b1-b2) + abs(g1-g2)) >= 400));
}
//=============================================================================
//
// IsFontAvailable()
// Test if a certain font is installed on the system
//
int CALLBACK EnumFontsProc(CONST LOGFONT *plf,CONST TEXTMETRIC *ptm,DWORD FontType,LPARAM lParam)
{
*((PBOOL)lParam) = true;
UNUSED(plf);
UNUSED(ptm);
UNUSED(FontType);
return 0;
}
bool IsFontAvailable(LPCWSTR lpszFontName)
{
BOOL fFound = FALSE;
HDC hDC = GetDC(NULL);
EnumFonts(hDC,lpszFontName,EnumFontsProc,(LPARAM)&fFound);
ReleaseDC(NULL,hDC);
return (bool)(fFound);
}
//=============================================================================
//
// IsCmdEnabled()
//
bool IsCmdEnabled(HWND hwnd,UINT uId)
{
HMENU hmenu;
UINT ustate;
hmenu = GetMenu(hwnd);
SendMessage(hwnd,WM_INITMENU,(WPARAM)hmenu,0);
ustate = GetMenuState(hmenu,uId,MF_BYCOMMAND);
if (ustate == 0xFFFFFFFF) {
return true;
}
return (!(ustate & (MF_GRAYED|MF_DISABLED)));
}
//=============================================================================
//
// GetKnownFolderPath()
//
bool GetKnownFolderPath(REFKNOWNFOLDERID rfid, LPWSTR lpOutPath, size_t cchCount)
{
//const DWORD dwFlags = (KF_FLAG_DEFAULT_PATH | KF_FLAG_NOT_PARENT_RELATIVE | KF_FLAG_NO_ALIAS);
const DWORD dwFlags = KF_FLAG_NO_ALIAS;
PWSTR pszPath = NULL;
HRESULT hr = SHGetKnownFolderPath(rfid, dwFlags, NULL, &pszPath);
if (SUCCEEDED(hr) && pszPath) {
StringCchCopy(lpOutPath, cchCount, pszPath);
CoTaskMemFree(pszPath);
return true;
}
return false;
}
//=============================================================================
//
// PathRelativeToApp()
//
void PathRelativeToApp(
LPWSTR lpszSrc,LPWSTR lpszDest,int cchDest,bool bSrcIsFile,
bool bUnexpandEnv,bool bUnexpandMyDocs) {
WCHAR wchAppPath[MAX_PATH] = { L'\0' };
WCHAR wchWinDir[MAX_PATH] = { L'\0' };
WCHAR wchUserFiles[MAX_PATH] = { L'\0' };
WCHAR wchPath[MAX_PATH] = { L'\0' };
WCHAR wchResult[MAX_PATH] = { L'\0' };
DWORD dwAttrTo = (bSrcIsFile) ? 0 : FILE_ATTRIBUTE_DIRECTORY;
GetModuleFileName(NULL,wchAppPath,COUNTOF(wchAppPath));
PathCanonicalizeEx(wchAppPath,MAX_PATH);
PathCchRemoveFileSpec(wchAppPath,COUNTOF(wchAppPath));
(void)GetWindowsDirectory(wchWinDir,COUNTOF(wchWinDir));
GetKnownFolderPath(&FOLDERID_Documents, wchUserFiles, COUNTOF(wchUserFiles));
if (bUnexpandMyDocs &&
!PathIsRelative(lpszSrc) &&
!PathIsPrefix(wchUserFiles,wchAppPath) &&
PathIsPrefix(wchUserFiles,lpszSrc) &&
PathRelativePathTo(wchPath,wchUserFiles,FILE_ATTRIBUTE_DIRECTORY,lpszSrc,dwAttrTo)) {
StringCchCopy(wchUserFiles,COUNTOF(wchUserFiles),L"%CSIDL:MYDOCUMENTS%");
PathCchAppend(wchUserFiles,COUNTOF(wchUserFiles),wchPath);
StringCchCopy(wchPath,COUNTOF(wchPath),wchUserFiles);
}
else if (PathIsRelative(lpszSrc) || PathCommonPrefix(wchAppPath,wchWinDir,NULL))
StringCchCopyN(wchPath,COUNTOF(wchPath),lpszSrc,COUNTOF(wchPath));
else {
if (!PathRelativePathTo(wchPath,wchAppPath,FILE_ATTRIBUTE_DIRECTORY,lpszSrc,dwAttrTo))
StringCchCopyN(wchPath,COUNTOF(wchPath),lpszSrc,COUNTOF(wchPath));
}
if (bUnexpandEnv) {
if (!PathUnExpandEnvStrings(wchPath,wchResult,COUNTOF(wchResult)))
StringCchCopyN(wchResult,COUNTOF(wchResult),wchPath,COUNTOF(wchResult));
}
else
StringCchCopyN(wchResult,COUNTOF(wchResult),wchPath,COUNTOF(wchResult));
int cchLen = (cchDest == 0) ? MAX_PATH : cchDest;
if (lpszDest == NULL || lpszSrc == lpszDest)
StringCchCopyN(lpszSrc,cchLen,wchResult,cchLen);
else
StringCchCopyN(lpszDest,cchLen,wchResult,cchLen);
}
//=============================================================================
//
// PathAbsoluteFromApp()
//
void PathAbsoluteFromApp(LPWSTR lpszSrc,LPWSTR lpszDest,int cchDest,bool bExpandEnv) {
WCHAR wchPath[MAX_PATH] = { L'\0'};
WCHAR wchResult[MAX_PATH] = { L'\0'};
if (lpszSrc == NULL) {
ZeroMemory(lpszDest, (cchDest == 0) ? MAX_PATH : cchDest);
return;
}
if (StrCmpNI(lpszSrc,L"%CSIDL:MYDOCUMENTS%",CSTRLEN("%CSIDL:MYDOCUMENTS%")) == 0) {
GetKnownFolderPath(&FOLDERID_Documents, wchPath, COUNTOF(wchPath));
PathCchAppend(wchPath,COUNTOF(wchPath),lpszSrc+CSTRLEN("%CSIDL:MYDOCUMENTS%"));
}
else {
if (lpszSrc) {
StringCchCopyN(wchPath,COUNTOF(wchPath),lpszSrc,COUNTOF(wchPath));
}
}
if (bExpandEnv)
ExpandEnvironmentStringsEx(wchPath,COUNTOF(wchPath));
if (PathIsRelative(wchPath)) {
GetModuleFileName(NULL,wchResult,COUNTOF(wchResult));
PathCanonicalizeEx(wchResult, COUNTOF(wchResult));
PathCchRemoveFileSpec(wchResult, COUNTOF(wchResult));
PathCchAppend(wchResult,COUNTOF(wchResult),wchPath);
}
else
StringCchCopyN(wchResult,COUNTOF(wchResult),wchPath,COUNTOF(wchPath));
PathCanonicalizeEx(wchResult,MAX_PATH);
if (PathGetDriveNumber(wchResult) != -1)
CharUpperBuff(wchResult,1);
if (lpszDest == NULL || lpszSrc == lpszDest)
StringCchCopyN(lpszSrc,((cchDest == 0) ? MAX_PATH : cchDest),wchResult,COUNTOF(wchResult));
else
StringCchCopyN(lpszDest,((cchDest == 0) ? MAX_PATH : cchDest),wchResult,COUNTOF(wchResult));
}
///////////////////////////////////////////////////////////////////////////////
//
//
// Name: PathIsLnkFile()
//
// Purpose: Determine whether pszPath is a Windows Shell Link File by
// comparing the filename extension with L".lnk"
//
// Manipulates:
//
bool PathIsLnkFile(LPCWSTR pszPath)
{
WCHAR tchResPath[MAX_PATH] = { L'\0' };
if (!pszPath || !*pszPath)
return false;
if (StringCchCompareXI(PathFindExtension(pszPath), L".lnk")) {
return false;
}
return PathGetLnkPath(pszPath,tchResPath,COUNTOF(tchResPath));
}
///////////////////////////////////////////////////////////////////////////////
//
//
// Name: PathGetLnkPath()
//
// Purpose: Try to get the path to which a lnk-file is linked
//
//
// Manipulates: pszResPath
//
bool PathGetLnkPath(LPCWSTR pszLnkFile,LPWSTR pszResPath,int cchResPath)
{
IShellLink *psl;
WIN32_FIND_DATA fd;
bool bSucceeded = false;
if (SUCCEEDED(CoCreateInstance(&CLSID_ShellLink,NULL,
CLSCTX_INPROC_SERVER,
&IID_IShellLink,(void**)&psl)))
{
IPersistFile *ppf;
if (SUCCEEDED(psl->lpVtbl->QueryInterface(psl,&IID_IPersistFile,(void**)&ppf)))
{
WORD wsz[MAX_PATH] = { L'\0' };
/*MultiByteToWideCharEx(CP_ACP,MB_PRECOMPOSED,pszLnkFile,-1,wsz,MAX_PATH);*/
StringCchCopy(wsz,COUNTOF(wsz),pszLnkFile);
if (SUCCEEDED(ppf->lpVtbl->Load(ppf,wsz,STGM_READ)))
{
if (NOERROR == psl->lpVtbl->GetPath(psl,pszResPath,cchResPath,&fd,0))
bSucceeded = true;
}
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
}
// This additional check seems reasonable
if (StrIsEmpty(pszResPath)) {
bSucceeded = false;
}
if (bSucceeded) {
ExpandEnvironmentStringsEx(pszResPath,cchResPath);
PathCanonicalizeEx(pszResPath,cchResPath);
}
return(bSucceeded);
}
///////////////////////////////////////////////////////////////////////////////
//
//
// Name: PathIsLnkToDirectory()
//
// Purpose: Determine wheter pszPath is a Windows Shell Link File which
// refers to a directory
//
// Manipulates: pszResPath
//
bool PathIsLnkToDirectory(LPCWSTR pszPath,LPWSTR pszResPath,int cchResPath)
{
if (PathIsLnkFile(pszPath)) {
WCHAR tchResPath[MAX_PATH] = { L'\0' };
if (PathGetLnkPath(pszPath, tchResPath, sizeof(WCHAR)*COUNTOF(tchResPath))) {
if (PathIsDirectory(tchResPath)) {
StringCchCopyN(pszResPath, cchResPath, tchResPath, COUNTOF(tchResPath));
return (true);
}
}
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
//
//
// Name: PathCreateDeskLnk()
//
// Purpose: Modified to create a desktop link to Notepad2
//
// Manipulates:
//
bool PathCreateDeskLnk(LPCWSTR pszDocument)
{
WCHAR tchExeFile[MAX_PATH] = { L'\0' };
WCHAR tchDocTemp[MAX_PATH] = { L'\0' };
WCHAR tchArguments[MAX_PATH+16] = { L'\0' };
WCHAR tchLinkDir[MAX_PATH] = { L'\0' };
WCHAR tchDescription[64] = { L'\0' };
WCHAR tchLnkFileName[MAX_PATH] = { L'\0' };
IShellLink *psl;
bool bSucceeded = false;
BOOL fMustCopy;
if (StrIsEmpty(pszDocument)) { return true; }
// init strings
GetModuleFileName(NULL,tchExeFile,COUNTOF(tchExeFile));
StringCchCopy(tchDocTemp,COUNTOF(tchDocTemp),pszDocument);
PathQuoteSpaces(tchDocTemp);
StringCchCopy(tchArguments,COUNTOF(tchArguments),L"-n ");
StringCchCat(tchArguments,COUNTOF(tchArguments),tchDocTemp);
GetKnownFolderPath(&FOLDERID_Desktop, tchLinkDir, COUNTOF(tchLinkDir));
GetLngString(IDS_MUI_LINKDESCRIPTION,tchDescription,COUNTOF(tchDescription));
// Try to construct a valid filename...
if (!SHGetNewLinkInfo(pszDocument,tchLinkDir,tchLnkFileName,&fMustCopy,SHGNLI_PREFIXNAME))
return false;
if (SUCCEEDED(CoCreateInstance(&CLSID_ShellLink,NULL,
CLSCTX_INPROC_SERVER,
&IID_IShellLink,(void**)&psl)))
{
IPersistFile *ppf;
if (SUCCEEDED(psl->lpVtbl->QueryInterface(psl,&IID_IPersistFile,(void**)&ppf)))
{
WORD wsz[MAX_PATH] = { L'\0' };
/*MultiByteToWideCharEx(CP_ACP,MB_PRECOMPOSED,tchLnkFileName,-1,wsz,MAX_PATH);*/
StringCchCopy(wsz,COUNTOF(wsz),tchLnkFileName);
psl->lpVtbl->SetPath(psl,tchExeFile);
psl->lpVtbl->SetArguments(psl,tchArguments);
psl->lpVtbl->SetDescription(psl,tchDescription);
if (SUCCEEDED(ppf->lpVtbl->Save(ppf,wsz,true)))
bSucceeded = true;
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
}
return(bSucceeded);
}
///////////////////////////////////////////////////////////////////////////////
//
//
// Name: PathCreateFavLnk()
//
// Purpose: Modified to create a Notepad2 favorites link
//
// Manipulates:
//
bool PathCreateFavLnk(LPCWSTR pszName,LPCWSTR pszTarget,LPCWSTR pszDir)
{
WCHAR tchLnkFileName[MAX_PATH] = { L'\0' };
IShellLink *psl;
bool bSucceeded = false;
if (StrIsEmpty(pszName)) { return true; }
StringCchCopy(tchLnkFileName,COUNTOF(tchLnkFileName),pszDir);
PathCchAppend(tchLnkFileName,COUNTOF(tchLnkFileName),pszName);
StringCchCat(tchLnkFileName,COUNTOF(tchLnkFileName),L".lnk");
if (PathFileExists(tchLnkFileName))
return false;
if (SUCCEEDED(CoCreateInstance(&CLSID_ShellLink,NULL,
CLSCTX_INPROC_SERVER,
&IID_IShellLink,(void**)&psl)))
{
IPersistFile *ppf;
if (SUCCEEDED(psl->lpVtbl->QueryInterface(psl,&IID_IPersistFile,(void**)&ppf)))
{
WORD wsz[MAX_PATH] = { L'\0' };
/*MultiByteToWideCharEx(CP_ACP,MB_PRECOMPOSED,tchLnkFileName,-1,wsz,MAX_PATH);*/
StringCchCopy(wsz,COUNTOF(wsz),tchLnkFileName);
psl->lpVtbl->SetPath(psl,pszTarget);
if (SUCCEEDED(ppf->lpVtbl->Save(ppf,wsz,true)))
bSucceeded = true;
ppf->lpVtbl->Release(ppf);
}
psl->lpVtbl->Release(psl);
}
return(bSucceeded);
}
//=============================================================================
//
// StrLTrimI()
//
bool StrLTrimI(LPWSTR pszSource,LPCWSTR pszTrimChars)
{
if (!pszSource || !*pszSource) { return false; }
LPWSTR psz = pszSource;
while (StrChrI(pszTrimChars, *psz)) { ++psz; }
MoveMemory(pszSource, psz, sizeof(WCHAR)*(StringCchLenW(psz,0) + 1));
return (psz != pszSource);
}
//=============================================================================
//
// StrRTrimI()
//
bool StrRTrimI(LPWSTR pszSource, LPCWSTR pszTrimChars)
{
if (!pszSource || !*pszSource) { return false; }
size_t const length = StringCchLenW(pszSource, 0);
size_t len = length;
while ((len > 0) && StrChrI(pszTrimChars, pszSource[--len])) { pszSource[len] = L'\0'; }
return (length != len);
}
#if 0
//=============================================================================
//
// TrimStringA()
//
bool TrimStringA(LPSTR lpString)
{
if (!lpString || !*lpString) { return false; }
// Trim left
LPSTR psz = lpString;
while (*psz == ' ') { psz = CharNextA(psz); }
MoveMemory(lpString, psz, sizeof(CHAR)*(StringCchLenA(psz,0) + 1));
// Trim right
psz = StrEndA(lpString,0);
while (*(psz = CharPrevA(lpString, psz)) == ' ') { *psz = '\0'; }
return true;
}
//=============================================================================
//
// TrimStringW()
//
bool TrimStringW(LPWSTR lpString)
{
if (!lpString || !*lpString) { return false; }
// Trim left
LPWSTR psz = lpString;
while (*psz == L' ') { psz = CharNextW(psz); }
MoveMemory(lpString,psz,sizeof(WCHAR)*(StringCchLenA(psz,0) + 1));
// Trim right
psz = StrEndW(lpString,0);
while (*(psz = CharPrevW(lpString, psz)) == L' ') { *psz = L'\0'; }
return true;
}
#endif
//=============================================================================
//
// ExtractFirstArgument()
//
bool ExtractFirstArgument(LPCWSTR lpArgs, LPWSTR lpArg1, LPWSTR lpArg2, int len)
{
StringCchCopy(lpArg1, len, lpArgs);
if (StrIsEmpty(lpArg1)) { return false; }
if (lpArg2) { *lpArg2 = L'\0'; }
TrimSpcW(lpArg1);
bool bQuoted = false;
if (*lpArg1 == L'\"') {
*lpArg1 = L' ';
TrimSpcW(lpArg1);
bQuoted = true;
}
LPWSTR psz;
if (bQuoted) {
psz = StrChr(lpArg1, L'\"');
}
else {
psz = StrChr(lpArg1, L' ');
}
if (psz) {
*psz = L'\0';
if (lpArg2) {
StringCchCopy(lpArg2, len, psz + 1);
}
}
TrimSpcW(lpArg1);
if (lpArg2) {
TrimSpcW(lpArg2);
}
return true;
}
//=============================================================================
//
// PrepareFilterStr()
//
void PrepareFilterStr(LPWSTR lpFilter)
{
LPWSTR psz = StrEnd(lpFilter,0);
while (psz != lpFilter)
{
if (*(psz = CharPrev(lpFilter,psz)) == L'|')
*psz = L'\0';
}
}
//=============================================================================
//
// StrTab2Space() - in place conversion
//
void StrTab2Space(LPWSTR lpsz)
{
WCHAR *c = StrChr(lpsz, L'\t');
while (c) {
*c = L' ';
c = StrChr(lpsz, L'\t'); // next
}
}
//=============================================================================
//
// PathFixBackslashes() - in place conversion
//
void PathFixBackslashes(LPWSTR lpsz)
{
WCHAR *c = StrChr(lpsz, L'/');
while (c) {
if ((*CharPrev(lpsz,c) == L':') && (*CharNext(c) == L'/'))
c += 2;
else
*c = L'\\';
c = StrChr(c, L'/'); // next
}
}
//=============================================================================
//
// ExpandEnvironmentStringsEx()
//
// Adjusted for Windows 95
//
void ExpandEnvironmentStringsEx(LPWSTR lpSrc, DWORD dwSrc)
{
WCHAR szBuf[HUGE_BUFFER];
if (ExpandEnvironmentStrings(lpSrc, szBuf, COUNTOF(szBuf))) {
StringCchCopyN(lpSrc, dwSrc, szBuf, COUNTOF(szBuf));
}
}
//=============================================================================
//
// PathCanonicalizeEx()
//
//
void PathCanonicalizeEx(LPWSTR lpszPath, DWORD cchBuffer)
{
WCHAR szDst[MAX_PATH] = { L'\0' };
if (PathCchCanonicalize(szDst, MAX_PATH, lpszPath) == S_OK) {
StringCchCopy(lpszPath, cchBuffer, szDst);
}
}
//=============================================================================
//
// GetLongPathNameEx()
//
//
DWORD GetLongPathNameEx(LPWSTR lpszPath, DWORD cchBuffer)
{
DWORD const dwRet = GetLongPathName(lpszPath, lpszPath, cchBuffer);
if (dwRet) {
if (PathGetDriveNumber(lpszPath) != -1) {
CharUpperBuff(lpszPath, 1);
}
}
return dwRet;
}
//=============================================================================
//
// _SHGetFileInfoEx()
//
// Return a default name when the file has been removed, and always append
// a filename extension
//
static DWORD_PTR _SHGetFileInfoEx(LPCWSTR pszPath, DWORD dwFileAttributes,
SHFILEINFO* psfi, UINT cbFileInfo, UINT uFlags)
{
if (PathFileExists(pszPath))
{
DWORD_PTR dw = SHGetFileInfo(pszPath, dwFileAttributes, psfi, cbFileInfo, uFlags);
if (StringCchLenW(psfi->szDisplayName, COUNTOF(psfi->szDisplayName)) < StringCchLen(PathFindFileName(pszPath), MAX_PATH))
StringCchCat(psfi->szDisplayName, COUNTOF(psfi->szDisplayName), PathFindExtension(pszPath));
return(dw);
}
DWORD_PTR dw = SHGetFileInfo(pszPath, FILE_ATTRIBUTE_NORMAL, psfi, cbFileInfo, uFlags | SHGFI_USEFILEATTRIBUTES);
if (StringCchLenW(psfi->szDisplayName, COUNTOF(psfi->szDisplayName)) < StringCchLen(PathFindFileName(pszPath), MAX_PATH)) {
StringCchCat(psfi->szDisplayName, COUNTOF(psfi->szDisplayName), PathFindExtension(pszPath));
}
return(dw);
}
//=============================================================================
//
// PathResolveDisplayName()
//
void PathGetDisplayName(LPWSTR lpszDestPath, DWORD cchDestBuffer, LPCWSTR lpszSourcePath)
{
SHFILEINFO shfi;
UINT const shfi_size = (UINT)sizeof(SHFILEINFO);
ZeroMemory(&shfi, shfi_size);
if (_SHGetFileInfoEx(lpszSourcePath, FILE_ATTRIBUTE_NORMAL, &shfi, shfi_size, SHGFI_DISPLAYNAME | SHGFI_USEFILEATTRIBUTES)) {
StringCchCopy(lpszDestPath, cchDestBuffer, shfi.szDisplayName);
}
else {
StringCchCopy(lpszDestPath, cchDestBuffer, PathFindFileName(lpszSourcePath));
}
}
//=============================================================================
//
// NormalizePathEx()
//
DWORD NormalizePathEx(LPWSTR lpszPath, DWORD cchBuffer, bool bRealPath, bool bSearchPathIfRelative)
{
WCHAR tmpFilePath[MAX_PATH] = { L'\0' };
StringCchCopyN(tmpFilePath, COUNTOF(tmpFilePath), lpszPath, cchBuffer);
ExpandEnvironmentStringsEx(tmpFilePath, COUNTOF(tmpFilePath));
PathUnquoteSpaces(tmpFilePath);
if (PathIsRelative(tmpFilePath))
{
StringCchCopyN(lpszPath, cchBuffer, Globals.WorkingDirectory, COUNTOF(Globals.WorkingDirectory));
PathCchAppend(lpszPath, cchBuffer, tmpFilePath);
if (bSearchPathIfRelative) {
if (!PathFileExists(lpszPath)) {
PathStripPath(tmpFilePath);
if (SearchPath(NULL, tmpFilePath, NULL, cchBuffer, lpszPath, NULL) == 0) {
StringCchCopy(lpszPath, cchBuffer, tmpFilePath);
}
}
}
}
else {
StringCchCopy(lpszPath, cchBuffer, tmpFilePath);
}
PathCanonicalizeEx(lpszPath, cchBuffer);
GetLongPathNameEx(lpszPath, cchBuffer);
if (PathIsLnkFile(lpszPath)) {
PathGetLnkPath(lpszPath, lpszPath, cchBuffer);
}
if (bRealPath) {
// get real path name (by zufuliu)
HANDLE hFile = CreateFile(lpszPath, // file to open
GENERIC_READ, // open for reading
FILE_SHARE_READ, // share for reading
NULL, // default security
OPEN_EXISTING, // existing file only
FILE_ATTRIBUTE_NORMAL, // normal file
NULL); // no attr. template
if (hFile != INVALID_HANDLE_VALUE) {
if (GetFinalPathNameByHandleW(hFile, tmpFilePath,
COUNTOF(tmpFilePath), FILE_NAME_OPENED) > 0)
{
if (StrCmpN(tmpFilePath, L"\\\\?\\", 4) == 0) {
WCHAR* p = tmpFilePath + 4;
if (StrCmpN(p, L"UNC\\", 4) == 0) {
p += 2;
*p = L'\\';
}
StringCchCopy(lpszPath, cchBuffer, p);
}
}
}
CloseHandle(hFile);
}
return (DWORD)StringCchLen(lpszPath, cchBuffer);
}
//=============================================================================
//
// FormatNumberStr()
//
size_t FormatNumberStr(LPWSTR lpNumberStr, size_t cch, int fixedWidth)
{
static WCHAR szSep[5] = { L'\0' };
static WCHAR szGrp[11] = { L'\0' };
static int iPlace[4] = {-1,-1,-1,-1};
if (StrIsEmpty(lpNumberStr)) { return 0; }
StrTrim(lpNumberStr, L" \t");
if (szSep[0] == L'\0') {
if (!GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT, LOCALE_STHOUSAND, szSep, COUNTOF(szSep))) {
szSep[0] = L'\'';
}
}
if (szGrp[0] == L'\0') {
if (!GetLocaleInfoEx(LOCALE_NAME_USER_DEFAULT, LOCALE_SGROUPING, szGrp, COUNTOF(szGrp))) {
szGrp[0] = L'0';
}
if (szGrp[0] == L'\0') {
szGrp[0] = L'0';
}
swscanf_s(szGrp, L"%i;%i;%i;%i", &iPlace[0], &iPlace[1], &iPlace[2], &iPlace[3]);
}
if (iPlace[0] <= 0) {
return StringCchLen(lpNumberStr,0);
}
if ((int)StringCchLen(lpNumberStr,0) > iPlace[0]) {
WCHAR* ch = StrEnd(lpNumberStr,0);
int iCnt = 0;
int i = 0;
while ((ch = CharPrev(lpNumberStr, ch)) != lpNumberStr) {
if (((++iCnt) % iPlace[i]) == 0) {
MoveMemory(ch + 1, ch, sizeof(WCHAR)*(StringCchLen(ch,0) + 1));
*ch = szSep[0];
i = (i < 3) ? (i + 1) : 3;
if (iPlace[i] == 0) { --i; } else if (iPlace[i] < 0) { break; }
iCnt = 0;
}
}
}
if (fixedWidth > 0) {
static WCHAR szCrop[256] = { L'\0' };
StringCchPrintf(szCrop, COUNTOF(szCrop), L"%*s", fixedWidth, lpNumberStr);
StringCchCopy(lpNumberStr, cch, szCrop);
}
return StringCchLen(lpNumberStr,0);
}
//=============================================================================
//
// SetDlgItemIntEx()
//
bool SetDlgItemIntEx(HWND hwnd,int nIdItem,UINT uValue)
{
WCHAR szBuf[64] = { L'\0' };
StringCchPrintf(szBuf,COUNTOF(szBuf),L"%u",uValue);
FormatNumberStr(szBuf, COUNTOF(szBuf), 0);
return(SetDlgItemText(hwnd,nIdItem,szBuf));
}
//=============================================================================
//
// A2W: Convert Dialog Item Text form Unicode to UTF-8 and vice versa
//
UINT GetDlgItemTextW2MB(HWND hDlg, int nIDDlgItem, LPSTR lpString, int nMaxCount)
{
WCHAR wsz[FNDRPL_BUFFER] = L"";
UINT uRet = GetDlgItemTextW(hDlg, nIDDlgItem, wsz, COUNTOF(wsz));
ZeroMemory(lpString,nMaxCount);
WideCharToMultiByteEx(Encoding_SciCP, 0, wsz, -1, lpString, nMaxCount - 1, NULL, NULL);
return uRet;
}
UINT SetDlgItemTextMB2W(HWND hDlg, int nIDDlgItem, LPSTR lpString)
{
WCHAR wsz[FNDRPL_BUFFER] = L"";
MultiByteToWideCharEx(Encoding_SciCP, 0, lpString, -1, wsz, FNDRPL_BUFFER);
return SetDlgItemTextW(hDlg, nIDDlgItem, wsz);
}
LRESULT ComboBox_AddStringMB2W(HWND hwnd, LPCSTR lpString)
{
WCHAR wsz[FNDRPL_BUFFER] = L"";
MultiByteToWideCharEx(Encoding_SciCP, 0, lpString, -1, wsz, FNDRPL_BUFFER);
return SendMessageW(hwnd, CB_ADDSTRING, 0, (LPARAM)wsz);
}
//=============================================================================
//
// CodePageFromCharSet()
//
UINT CodePageFromCharSet(const UINT uCharSet)
{
if (ANSI_CHARSET == uCharSet) {
if (Globals.uConsoleCodePage != 0) {
return Globals.uConsoleCodePage;
}
CPINFOEX cpinfo; ZeroMemory(&cpinfo, sizeof(CPINFOEX));
if (GetCPInfoEx(CP_THREAD_ACP, 0, &cpinfo)) {
return cpinfo.CodePage;
}
}
else {
CHARSETINFO ci; ZeroMemory(&ci, sizeof(CHARSETINFO));
if (TranslateCharsetInfo((DWORD*)(UINT_PTR)uCharSet, &ci, TCI_SRCCHARSET)) {
return(ci.ciACP);
}
}
return GetACP(); // fallback: systems locale ANSI CP
}
//=============================================================================
//
// CharSetFromCodePage()
//
UINT CharSetFromCodePage(const UINT uCodePage) {
CHARSETINFO ci;
if (TranslateCharsetInfo((DWORD*)(UINT_PTR)uCodePage, &ci, TCI_SRCCODEPAGE)) {
return(ci.ciCharset); // corresponds to SCI: SC_CHARSET_XXX
}
return(ANSI_CHARSET);
}
/** ******************************************************************************
*
* UnSlash functions
* Mostly taken from SciTE, (c) Neil Hodgson, http://www.scintilla.org
*
* Convert C style \a, \b, \f, \n, \r, \t, \v, \xhh and \uhhhh into their indicated characters.
*/
unsigned int UnSlash(char *s,UINT cpEdit) {
char *sStart = s;
char *o = s;
while (*s) {
if (*s == '\\') {
s++;
if (*s == 'a')
*o = '\a';
else if (*s == 'b')
*o = '\b';
else if (*s == 'f')
*o = '\f';
else if (*s == 'n')
*o = '\n';
else if (*s == 'r')
*o = '\r';
else if (*s == 't')
*o = '\t';
else if (*s == 'v')
*o = '\v';
else if (*s == 'x' || *s == 'u') {
bool bShort = (*s == 'x');
char ch[8];
char *pch = ch;
WCHAR val[2] = L"";
int hex;
val[0] = 0;
hex = GetHexDigit(*(s+1));
if (hex >= 0) {
s++;
val[0] = (WCHAR)hex;
hex = GetHexDigit(*(s+1));
if (hex >= 0) {
s++;
val[0] *= 16;
val[0] += (WCHAR)hex;
if (!bShort) {
hex = GetHexDigit(*(s+1));
if (hex >= 0) {
s++;
val[0] *= 16;
val[0] += (WCHAR)hex;
hex = GetHexDigit(*(s+1));
if (hex >= 0) {
s++;
val[0] *= 16;
val[0] += (WCHAR)hex;
}
}
}
}
if (val[0]) {
val[1] = 0;
WideCharToMultiByteEx(cpEdit,0,val,-1,ch,COUNTOF(ch),NULL,NULL);
*o = *pch++;
while (*pch)
*++o = *pch++;
}
else
o--;
}
else
o--;
}
else
*o = *s;
}
else
*o = *s;
o++;
if (*s) {
s++;
}
}
*o = '\0';
return (unsigned int)(o - sStart);
}
/**
* Convert C style \0oo into their indicated characters.
* This is used to get control characters into the regular expresion engine
* w/o interfering with group referencing ('\0').
*/
unsigned int UnSlashLowOctal(char* s) {
char* sStart = s;
char* o = s;
while (*s) {
if ((s[0] == '\\') && (s[1] == '\\')) { // esc seq
*o = *s; ++o; ++s; *o = *s;
}
else if ((s[0] == '\\') && (s[1] == '0') && IsOctalDigit(s[2]) && IsOctalDigit(s[3])) {
*o = (char)(8 * (s[2] - '0') + (s[3] - '0'));
s += 3;
} else {
*o = *s;
}
++o;
if (*s)
++s;
}
*o = '\0';
return (unsigned int)(o - sStart);
}
/**
* check, if we have regex sub-group referencing
*/
int CheckRegExReplTarget(char* pszInput)
{
while (*pszInput) {
if (*pszInput == '$') {
++pszInput;
if (((*pszInput >= '0') && (*pszInput <= '9')) || (*pszInput == '+') || (*pszInput == '{')) {
return SCI_REPLACETARGETRE;
}
}
else if (*pszInput == '\\') {
++pszInput;
if ((*pszInput >= '0') && (*pszInput <= '9')) {
return SCI_REPLACETARGETRE;
}
}
++pszInput;
}
return SCI_REPLACETARGET;
}
void TransformBackslashes(char* pszInput, bool bRegEx, UINT cpEdit, int* iReplaceMsg)
{
if (bRegEx && iReplaceMsg) {
UnSlashLowOctal(pszInput);
*iReplaceMsg = CheckRegExReplTarget(pszInput);
}
else if (iReplaceMsg) {
*iReplaceMsg = SCI_REPLACETARGET; // uses SCI std replacement
}
// regex handles backslashes itself
// except: replacement is not delegated to regex engine
if (!bRegEx || (iReplaceMsg && (SCI_REPLACETARGET == *iReplaceMsg))) {
UnSlash(pszInput, cpEdit);
}
}
void TransformMetaChars(char* pszInput, bool bRegEx, int iEOLMode)
{
if (!bRegEx) return;
char buffer[FNDRPL_BUFFER + 1] = { '\0' };
char* s = pszInput;
char* o = buffer;
while (*s) {
if ((s[0] != '\\') && (s[1] == '$')) {
*o = *s; ++o; ++s;
switch (iEOLMode) {
case SC_EOL_LF:
*o = '\n';
break;
case SC_EOL_CR:
*o = '\r';
break;
case SC_EOL_CRLF:
default:
*o = '\r'; ++o; *o = '\n';
break;
}
++s; // skip $
}
else {
*o = *s;
}
++o;
if (*s) ++s;
}
*o = '\0';
StringCchCopyA(pszInput, FNDRPL_BUFFER, buffer);
}
#ifdef WC2MB_EX
//=============================================================================
//
// WideCharToMultiByteEx()
//
ptrdiff_t WideCharToMultiByteEx(
UINT CodePage, DWORD dwFlags, LPCWCH lpWideCharStr, ptrdiff_t cchWideChar,
LPSTR lpMultiByteStr, ptrdiff_t cbMultiByte, LPCCH lpDefaultChar, LPBOOL lpUsedDefaultChar)
{
LPCWCH inPtr = lpWideCharStr;
ptrdiff_t inBufCnt = cchWideChar;
LPSTR outPtr = (cbMultiByte == 0LL) ? NULL : lpMultiByteStr;
ptrdiff_t outBufSiz = cbMultiByte;
ptrdiff_t bytesConv = 0LL;
static ptrdiff_t const maxBufSize = (INT_MAX - 1);
BOOL bIsDefCharUse = FALSE;
while ((inBufCnt > 0LL) || (inBufCnt == -1LL))
{
int const cnt = (inBufCnt > maxBufSize) ? (int)maxBufSize : ((inBufCnt > 0LL) ? (int)inBufCnt : -1);
int const siz = (outBufSiz > (ptrdiff_t)INT_MAX) ? INT_MAX : (int)outBufSiz;
int const bytes = WideCharToMultiByte(CodePage, dwFlags, inPtr, cnt, outPtr, siz, lpDefaultChar, lpUsedDefaultChar);
if (bytes <= 0) { break; }
if (lpUsedDefaultChar && *lpUsedDefaultChar) { bIsDefCharUse = TRUE; }
int const usedWChr = (inBufCnt > maxBufSize) ? (outPtr ? MultiByteToWideChar(CodePage, dwFlags, outPtr, bytes, NULL, 0) : 0) : (int)inBufCnt;
bytesConv += (ptrdiff_t)bytes;
if (outPtr) {
outPtr += (ptrdiff_t)bytes;
outBufSiz -= (ptrdiff_t)bytes;
}
if (inBufCnt > 0LL) {
inBufCnt -= (ptrdiff_t)usedWChr;
}
inPtr += (ptrdiff_t)usedWChr;
}
if (lpUsedDefaultChar) { *lpUsedDefaultChar = bIsDefCharUse; }
return bytesConv;
}
#endif
#ifdef MB2WC_EX
//=============================================================================
//
// MultiByteToWideCharEx()
//
ptrdiff_t MultiByteToWideCharEx(
UINT CodePage, DWORD dwFlags, LPCCH lpMultiByteStr, ptrdiff_t cbMultiByte,
LPWSTR lpWideCharStr, ptrdiff_t cchWideChar)
{
static CHAR const strgEnd = '\0'; // stop reading
LPCCH inPtr = lpMultiByteStr ? lpMultiByteStr : &strgEnd;
ptrdiff_t inBufSiz = (cbMultiByte >= 0LL) ? cbMultiByte : -1LL;
LPWSTR outPtr = (cchWideChar == 0LL) ? NULL : lpWideCharStr;
ptrdiff_t outBufCnt = cchWideChar;
ptrdiff_t wcharConv = 0LL;
static ptrdiff_t const maxBufSize = (INT_MAX - 1);
while ((inBufSiz > 0LL) || (inPtr && (*inPtr != '\0')))
{
int const siz = (inBufSiz > maxBufSize) ? (int)maxBufSize : ((inBufSiz > 0LL) ? (int)inBufSiz : -1);
int const cnt = (outBufCnt > (ptrdiff_t)INT_MAX) ? INT_MAX : (int)outBufCnt;
int const wchars = MultiByteToWideChar(CodePage, dwFlags, inPtr, siz, outPtr, cnt);
if (wchars <= 0) { break; }
int const usedMBC = (inBufSiz > maxBufSize) ? (outPtr ? WideCharToMultiByte(CodePage, dwFlags, outPtr, wchars, NULL, 0, NULL, NULL) : 0) : (int)inBufSiz;
wcharConv += (ptrdiff_t)wchars;
if (outPtr) {
outPtr += (ptrdiff_t)wchars;
outBufCnt -= (ptrdiff_t)wchars;
}
if (inBufSiz > 0LL) {
inBufSiz -= (ptrdiff_t)usedMBC;
if (inBufSiz <= 0LL) { inPtr = &strgEnd; }
}
else {
inPtr += (ptrdiff_t)usedMBC;
}
}
return wcharConv;
}
#endif
/*
MinimizeToTray - Copyright 2000 Matthew Ellis <m.t.ellis@bigfoot.com>
Changes made by flo:
- Commented out: #include "stdafx.h"
- Moved variable declaration: APPBARDATA appBarData;
*/
// MinimizeToTray
//
// A couple of routines to show how to make it produce a custom caption
// animation to make it look like we are minimizing to and maximizing
// from the system tray
//
// These routines are public domain, but it would be nice if you dropped
// me a line if you use them!
//
// 1.0 29.06.2000 Initial version
// 1.1 01.07.2000 The window retains it's place in the Z-order of windows
// when minimized/hidden. This means that when restored/shown, it doen't
// always appear as the foreground window unless we call SetForegroundWindow
//
// Copyright 2000 Matthew Ellis <m.t.ellis@bigfoot.com>
/*#include "stdafx.h"*/
// Odd. VC++6 winuser.h has IDANI_CAPTION defined (as well as IDANI_OPEN and
// IDANI_CLOSE), but the Platform SDK only has IDANI_OPEN...
// I don't know what IDANI_OPEN or IDANI_CLOSE do. Trying them in this code
// produces nothing. Perhaps they were intended for window opening and closing
// like the MAC provides...
#ifndef IDANI_OPEN
#define IDANI_OPEN 1
#endif
#ifndef IDANI_CLOSE
#define IDANI_CLOSE 2
#endif
#ifndef IDANI_CAPTION
#define IDANI_CAPTION 3
#endif
#define DEFAULT_RECT_WIDTH 150
#define DEFAULT_RECT_HEIGHT 30
// Returns the rect of where we think the system tray is. This will work for
// all current versions of the shell. If explorer isn't running, we try our
// best to work with a 3rd party shell. If we still can't find anything, we
// return a rect in the lower right hand corner of the screen
static VOID GetTrayWndRect(LPRECT lpTrayRect)
{
APPBARDATA appBarData;
// First, we'll use a quick hack method. We know that the taskbar is a window
// of class Shell_TrayWnd, and the status tray is a child of this of class
// TrayNotifyWnd. This provides us a window rect to minimize to. Note, however,
// that this is not guaranteed to work on future versions of the shell. If we
// use this method, make sure we have a backup!
HWND hShellTrayWnd=FindWindowEx(NULL,NULL,TEXT("Shell_TrayWnd"),NULL);
if(hShellTrayWnd)
{
HWND hTrayNotifyWnd=FindWindowEx(hShellTrayWnd,NULL,TEXT("TrayNotifyWnd"),NULL);
if(hTrayNotifyWnd)
{
GetWindowRect(hTrayNotifyWnd,lpTrayRect);
return;
}
}
// OK, we failed to get the rect from the quick hack. Either explorer isn't
// running or it's a new version of the shell with the window class names
// changed (how dare Microsoft change these undocumented class names!) So, we
// try to find out what side of the screen the taskbar is connected to. We
// know that the system tray is either on the right or the bottom of the
// taskbar, so we can make a good guess at where to minimize to
/*APPBARDATA appBarData;*/
appBarData.cbSize=sizeof(appBarData);
if(SHAppBarMessage(ABM_GETTASKBARPOS,&appBarData))
{
// We know the edge the taskbar is connected to, so guess the rect of the
// system tray. Use various fudge factor to make it look good
switch(appBarData.uEdge)
{
case ABE_LEFT:
case ABE_RIGHT:
// We want to minimize to the bottom of the taskbar
lpTrayRect->top=appBarData.rc.bottom-100;
lpTrayRect->bottom=appBarData.rc.bottom-16;
lpTrayRect->left=appBarData.rc.left;
lpTrayRect->right=appBarData.rc.right;
break;
case ABE_TOP:
case ABE_BOTTOM:
// We want to minimize to the right of the taskbar
lpTrayRect->top=appBarData.rc.top;
lpTrayRect->bottom=appBarData.rc.bottom;
lpTrayRect->left=appBarData.rc.right-100;
lpTrayRect->right=appBarData.rc.right-16;
break;
}
return;
}
// Blimey, we really aren't in luck. It's possible that a third party shell
// is running instead of explorer. This shell might provide support for the
// system tray, by providing a Shell_TrayWnd window (which receives the
// messages for the icons) So, look for a Shell_TrayWnd window and work out
// the rect from that. Remember that explorer's taskbar is the Shell_TrayWnd,
// and stretches either the width or the height of the screen. We can't rely
// on the 3rd party shell's Shell_TrayWnd doing the same, in fact, we can't
// rely on it being any size. The best we can do is just blindly use the
// window rect, perhaps limiting the width and height to, say 150 square.
// Note that if the 3rd party shell supports the same configuraion as
// explorer (the icons hosted in NotifyTrayWnd, which is a child window of
// Shell_TrayWnd), we would already have caught it above
hShellTrayWnd=FindWindowEx(NULL,NULL,TEXT("Shell_TrayWnd"),NULL);
if(hShellTrayWnd)
{
GetWindowRect(hShellTrayWnd,lpTrayRect);
if(lpTrayRect->right-lpTrayRect->left>DEFAULT_RECT_WIDTH)
lpTrayRect->left=lpTrayRect->right-DEFAULT_RECT_WIDTH;
if(lpTrayRect->bottom-lpTrayRect->top>DEFAULT_RECT_HEIGHT)
lpTrayRect->top=lpTrayRect->bottom-DEFAULT_RECT_HEIGHT;
return;
}
// OK. Haven't found a thing. Provide a default rect based on the current work area
SystemParametersInfo(SPI_GETWORKAREA,0,lpTrayRect,0);
lpTrayRect->left=lpTrayRect->right-DEFAULT_RECT_WIDTH;
lpTrayRect->top=lpTrayRect->bottom-DEFAULT_RECT_HEIGHT;
}
// Check to see if the animation has been disabled
/*static */bool GetDoAnimateMinimize(VOID)
{
ANIMATIONINFO ai;
ai.cbSize=sizeof(ai);
SystemParametersInfo(SPI_GETANIMATION,sizeof(ai),&ai,0);
return ai.iMinAnimate?true:false;
}
VOID MinimizeWndToTray(HWND hWnd)
{
if(GetDoAnimateMinimize())
{
RECT rcFrom,rcTo;
// Get the rect of the window. It is safe to use the rect of the whole
// window - DrawAnimatedRects will only draw the caption
GetWindowRect(hWnd,&rcFrom);
GetTrayWndRect(&rcTo);
// Get the system to draw our animation for us
DrawAnimatedRects(hWnd,IDANI_CAPTION,&rcFrom,&rcTo);
}
// Add the tray icon. If we add it before the call to DrawAnimatedRects,
// the taskbar gets erased, but doesn't get redrawn until DAR finishes.
// This looks untidy, so call the functions in this order
// Hide the window
ShowWindow(hWnd,SW_HIDE);
}
VOID RestoreWndFromTray(HWND hWnd)
{
if(GetDoAnimateMinimize())
{
// Get the rect of the tray and the window. Note that the window rect
// is still valid even though the window is hidden
RECT rcFrom,rcTo;
GetTrayWndRect(&rcFrom);
GetWindowRect(hWnd,&rcTo);
// Get the system to draw our animation for us
DrawAnimatedRects(hWnd,IDANI_CAPTION,&rcFrom,&rcTo);
}
// Show the window, and make sure we're the foreground window
ShowWindow(hWnd,SW_SHOW);
SetActiveWindow(hWnd);
SetForegroundWindow(hWnd);
// Remove the tray icon. As described above, remove the icon after the
// call to DrawAnimatedRects, or the taskbar will not refresh itself
// properly until DAR finished
}
//=============================================================================
//
// UrlEscapeEx()
//
#if (NTDDI_VERSION < NTDDI_WIN8)
// Convert a byte into Hexadecimal Unicode character
__inline int toHEX(BYTE val, WCHAR* pOutChr)
{
StringCchPrintfW(pOutChr, 4, L"%%%0.2X", val);
return 3; // num of wchars ('%FF')
}
LPCTSTR const lpszUnreservedChars = L"-_.~"; // or IsAlphaNumeric()
LPCTSTR const lpszReservedChars = L"!#$%&'()*+,/:;=?@[]";
LPCTSTR const lpszUnsafeChars = L" \"\\<>{|}^`";
#endif
// ----------------------------------------------------------------------------
void UrlEscapeEx(LPCWSTR lpURL, LPWSTR lpEscaped, DWORD* pcchEscaped, bool bEscReserved)
{
#if (NTDDI_VERSION >= NTDDI_WIN8)
UrlEscape(lpURL, lpEscaped, pcchEscaped, (URL_ESCAPE_SEGMENT_ONLY | URL_ESCAPE_URI_COMPONENT));
#else
//UrlEscape(lpURL, lpEscaped, pcchEscaped, (URL_ESCAPE_SEGMENT_ONLY | URL_ESCAPE_PERCENT | URL_ESCAPE_AS_UTF8));
DWORD posIn = 0;
DWORD posOut = 0;
while (lpURL[posIn] && (posOut < *pcchEscaped))
{
if (IsAlphaNumeric(lpURL[posIn]) || StrChrW(lpszUnreservedChars, lpURL[posIn]))
{
lpEscaped[posOut++] = lpURL[posIn++];
}
else if (StrChrW(lpszReservedChars, lpURL[posIn]))
{
if (posOut < (*pcchEscaped - 3)) {
if (bEscReserved) {
posOut += toHEX(toascii(lpURL[posIn++]), &lpEscaped[posOut]);
}
else {
lpEscaped[posOut++] = lpURL[posIn++];
}
}
}
else if (StrChrW(lpszUnsafeChars, lpURL[posIn]))
{
if (posOut < (*pcchEscaped - 3)) {
posOut += toHEX(toascii(lpURL[posIn++]), &lpEscaped[posOut]);
}
}
// Encode unprintable characters 0x00-0x1F, and 0x7F
else if ((lpURL[posIn] <= 0x1F) || (lpURL[posIn] == 0x7F))
{
if (posOut < (*pcchEscaped - 3)) {
posOut += toHEX((BYTE)lpURL[posIn++], &lpEscaped[posOut]);
}
}
// Now encode all other unsafe characters
else {
CHAR mb[4] = { '\0', '\0', '\0', '\0' };
int const n = WideCharToMultiByte(CP_UTF8, 0, &lpURL[posIn++], 1, mb, 4, 0, 0);
if (posOut < (*pcchEscaped - (n*3))) {
for (int i = 0; i < n; ++i) {
posOut += toHEX((BYTE)mb[i], &lpEscaped[posOut]);
}
}
}
}
lpEscaped[posOut] = L'\0';
*pcchEscaped = posOut;
#endif
}
//=============================================================================
//
// UrlUnescapeEx()
//
void UrlUnescapeEx(LPWSTR lpURL, LPWSTR lpUnescaped, DWORD* pcchUnescaped)
{
#if (NTDDI_VERSION >= NTDDI_WIN8)
UrlUnescape(lpURL, lpUnescaped, pcchUnescaped, URL_UNESCAPE_AS_UTF8);
#else
char* outBuffer = AllocMem(*pcchUnescaped + 1, HEAP_ZERO_MEMORY);
if (outBuffer == NULL) {
return;
}
DWORD const outLen = *pcchUnescaped;
DWORD posIn = 0;
WCHAR buf[5] = { L'\0' };
DWORD lastEsc = (DWORD)StringCchLenW(lpURL,0) - 2;
unsigned int code;
DWORD posOut = 0;
while ((posIn < lastEsc) && (posOut < outLen))
{
bool bOk = false;
// URL encoded
if (lpURL[posIn] == L'%') {
buf[0] = lpURL[posIn + 1];
buf[1] = lpURL[posIn + 2];
buf[2] = L'\0';
if (swscanf_s(buf, L"%x", &code) == 1) {
outBuffer[posOut++] = (char)code;
posIn += 3;
bOk = true;
}
}
// HTML encoded
else if ((lpURL[posIn] == L'&') && (lpURL[posIn + 1] == L'#')) {
int n = 0;
while (IsDigitW(lpURL[posIn + 2 + n]) && (n < 4)) {
buf[n] = lpURL[posIn + 2 + n];
++n;
}
buf[n] = L'\0';
if (swscanf_s(buf, L"%ui", &code) == 1) {
if (code <= 0xFF) {
outBuffer[posOut++] = (char)code;
posIn += (2 + n);
if (lpURL[posIn] == L';') ++posIn;
bOk = true;
}
}
}
if (!bOk) {
posOut += WideCharToMultiByte(Encoding_SciCP, 0, &lpURL[posIn++], 1,
&outBuffer[posOut], (int)(outLen - posOut), NULL, NULL);
}
}
// copy rest
while ((lpURL[posIn] != L'\0') && (posOut < outLen))
{
posOut += WideCharToMultiByte(Encoding_SciCP, 0, &lpURL[posIn++], 1,
&outBuffer[posOut], (int)(outLen - posOut), NULL, NULL);
}
outBuffer[posOut] = '\0';
DWORD const iOut = MultiByteToWideChar(Encoding_SciCP, 0, outBuffer, -1, lpUnescaped, (int)*pcchUnescaped);
FreeMem(outBuffer);
*pcchUnescaped = ((iOut > 0) ? (iOut - 1) : 0);
#endif
}
//=============================================================================
//
// ReadStrgsFromCSV()
//
//
int ReadStrgsFromCSV(LPCWSTR wchCSVStrg, prefix_t sMatrix[], int iCount, int iLen, LPCWSTR sDefault)
{
static WCHAR wchTmpBuff[MIDSZ_BUFFER];
StringCchCopyW(wchTmpBuff, COUNTOF(wchTmpBuff), wchCSVStrg);
TrimSpcW(wchTmpBuff);
// fill default
for (int i = 0; i < iCount; ++i) {
if (sDefault && *sDefault)
StringCchCopyW(sMatrix[i], (size_t)iLen, sDefault);
else
sMatrix[i][0] = L'\0';
}
// insert values
int n = 0;
WCHAR* p = wchTmpBuff;
while (p && *p) {
WCHAR* q = StrStrW(p, L",");
if (q > p) { *q = L'\0'; }
if (n < iCount) {
if (*p != L',') {
StringCchCopyW(sMatrix[n], (size_t)iLen, p);
}
else {
sMatrix[n][0] = L'\0';
}
}
p = (q > p) ? (q + 1) : (p + 1);
++n;
}
return n;
}
//=============================================================================
//
// ReadVectorFromString()
//
//
int ReadVectorFromString(LPCWSTR wchStrg, int iVector[], int iCount, int iMin, int iMax, int iDefault)
{
static WCHAR wchTmpBuff[SMALL_BUFFER];
StringCchCopyW(wchTmpBuff, COUNTOF(wchTmpBuff), wchStrg);
TrimSpcW(wchTmpBuff);
// ensure single spaces only
WCHAR *p = StrStr(wchTmpBuff, L" ");
while (p) {
MoveMemory((WCHAR*)p, (WCHAR*)p + 1, (StringCchLenW(p,0) + 1) * sizeof(WCHAR));
p = StrStr(wchTmpBuff, L" "); // next
}
// separate values
int const len = (int)StringCchLenW(wchTmpBuff, COUNTOF(wchTmpBuff));
for (int i = 0; i < len; ++i) {
if (wchTmpBuff[i] == L' ') { wchTmpBuff[i] = L'\0'; }
}
wchTmpBuff[len + 1] = L'\0'; // double zero at the end
// fill default
for (int i = 0; i < iCount; ++i) { iVector[i] = iDefault; }
// insert values
int n = 0;
p = wchTmpBuff;
while (*p) {
int iValue;
if (swscanf_s(p, L"%i", &iValue) == 1) {
if (n < iCount) {
iVector[n++] = clampi(iValue, iMin, iMax);
}
}
p = StrEnd(p,0) + 1;
}
return n;
}
//=============================================================================
//
// Char2FloatW()
// Locale indpendant simple character to tloat conversion
//
bool Char2FloatW(WCHAR* wnumber, float* fresult)
{
if (!wnumber || !fresult) { return false; }
int i = 0;
for (; IsBlankCharW(wnumber[i]); ++i); // skip spaces
// determine sign
int const sign = (wnumber[i] == L'-') ? -1 : 1;
if (wnumber[i] == L'-' || wnumber[i] == L'+') { ++i; }
// must be digit now
if (!IsDigitW(wnumber[i])) { return false; }
// digits before decimal
float val = 0.0f;
while (IsDigitW(wnumber[i])) {
val = (val * 10) + (wnumber[i] - L'0');
++i;
}
// skip decimal point (or comma) if present
if ((wnumber[i] == L'.') || (wnumber[i] == L',')) { ++i; }
//digits after decimal
int place = 1;
while (IsDigitW(wnumber[i])) {
val = val * 10 + (wnumber[i] - L'0');
place *= 10;
++i;
}
// the extended part for scientific notations
float exponent = 1.0f;
if (wnumber[i] == L'e' || wnumber[i] == L'E') {
++i;
float fexp = 0.0f;
if (Char2FloatW(&(wnumber[i]), &fexp)) {
exponent = powf(10, fexp);
}
}
*fresult = ((sign*val*exponent) / (place));
return true;
}
//=============================================================================
//
// Float2String()
//
//
void Float2String(float fValue, LPWSTR lpszStrg, int cchSize)
{
if (!lpszStrg) { return; };
fValue = Round10th(fValue);
if (HasNonZeroFraction(fValue))
StringCchPrintf(lpszStrg, cchSize, L"%.3G", fValue);
else
StringCchPrintf(lpszStrg, cchSize, L"%i", float2int(fValue));
}
/// End of Helpers.c ///
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