mirror of
https://github.com/holub/mame
synced 2025-07-07 10:58:41 +03:00
118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
// UserInputUtils.cpp
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#include "StdAfx.h"
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#include "../../../Common/StdInStream.h"
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#include "../../../Common/StringConvert.h"
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#include "UserInputUtils.h"
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static const char kYes = 'y';
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static const char kNo = 'n';
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static const char kYesAll = 'a';
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static const char kNoAll = 's';
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static const char kAutoRenameAll = 'u';
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static const char kQuit = 'q';
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static const char * const kFirstQuestionMessage = "? ";
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static const char * const kHelpQuestionMessage =
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"(Y)es / (N)o / (A)lways / (S)kip all / A(u)to rename all / (Q)uit? ";
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// return true if pressed Quite;
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NUserAnswerMode::EEnum ScanUserYesNoAllQuit(CStdOutStream *outStream)
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{
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if (outStream)
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*outStream << kFirstQuestionMessage;
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for (;;)
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{
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if (outStream)
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{
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*outStream << kHelpQuestionMessage;
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outStream->Flush();
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}
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AString scannedString;
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if (!g_StdIn.ScanAStringUntilNewLine(scannedString))
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return NUserAnswerMode::kError;
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if (g_StdIn.Error())
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return NUserAnswerMode::kError;
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scannedString.Trim();
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if (scannedString.IsEmpty() && g_StdIn.Eof())
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return NUserAnswerMode::kEof;
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if (scannedString.Len() == 1)
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switch (::MyCharLower_Ascii(scannedString[0]))
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{
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case kYes: return NUserAnswerMode::kYes;
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case kNo: return NUserAnswerMode::kNo;
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case kYesAll: return NUserAnswerMode::kYesAll;
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case kNoAll: return NUserAnswerMode::kNoAll;
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case kAutoRenameAll: return NUserAnswerMode::kAutoRenameAll;
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case kQuit: return NUserAnswerMode::kQuit;
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}
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}
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}
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#ifdef _WIN32
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#ifndef UNDER_CE
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#define MY_DISABLE_ECHO
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#endif
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#endif
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static bool GetPassword(CStdOutStream *outStream, UString &psw)
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{
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if (outStream)
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{
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*outStream << "\nEnter password"
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#ifdef MY_DISABLE_ECHO
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" (will not be echoed)"
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#endif
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":";
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outStream->Flush();
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}
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#ifdef MY_DISABLE_ECHO
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const HANDLE console = GetStdHandle(STD_INPUT_HANDLE);
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/*
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GetStdHandle() returns
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INVALID_HANDLE_VALUE: If the function fails.
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NULL : If an application does not have associated standard handles,
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such as a service running on an interactive desktop,
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and has not redirected them. */
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bool wasChanged = false;
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DWORD mode = 0;
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if (console != INVALID_HANDLE_VALUE && console != NULL)
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if (GetConsoleMode(console, &mode))
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wasChanged = (SetConsoleMode(console, mode & ~(DWORD)ENABLE_ECHO_INPUT) != 0);
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const bool res = g_StdIn.ScanUStringUntilNewLine(psw);
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if (wasChanged)
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SetConsoleMode(console, mode);
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#else
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const bool res = g_StdIn.ScanUStringUntilNewLine(psw);
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#endif
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if (outStream)
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{
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*outStream << endl;
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outStream->Flush();
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}
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return res;
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}
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HRESULT GetPassword_HRESULT(CStdOutStream *outStream, UString &psw)
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{
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if (!GetPassword(outStream, psw))
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return E_INVALIDARG;
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if (g_StdIn.Error())
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return E_FAIL;
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if (g_StdIn.Eof() && psw.IsEmpty())
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return E_ABORT;
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return S_OK;
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}
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