Function InputBoxParseOptions

source/script2.cpp:4979–5022

//////////////

ResultType InputBoxParseOptions(LPTSTR aOptions, InputBoxType &aInputBox)
{
	LPTSTR next_option, option_end;
	for (next_option = aOptions; *next_option; next_option = omit_leading_whitespace(option_end))
	{
		// Find the end of this option item:
		if (   !(option_end = StrChrAny(next_option, _T(" \t")))   )  // Space or tab.
			option_end = next_option + _tcslen(next_option); // Set to position of zero terminator instead.

		// Temporarily terminate for simplicity and to reduce ambiguity:
		TCHAR orig_char = *option_end;
		*option_end = '\0';

		// The legacy InputBox command used "Hide", but "Password" seems clearer
		// and better for consistency with the equivalent Edit control option:
		if (!_tcsnicmp(next_option, _T("Password"), 8) && _tcslen(next_option) <= 9)
			aInputBox.password_char = next_option[8] ? next_option[8] : UorA(L'\x25CF', '*');
		else
		{
			// All of the remaining options are single-letter followed by a number:
			TCHAR option_char = ctoupper(*next_option);
			if (!_tcschr(_T("XYWHT"), option_char) // Not a valid option char.
				|| !IsNumeric(next_option + 1 // Or not a valid number.
					, option_char == 'X' || option_char == 'Y' // Only X and Y allow negative numbers.
					, FALSE, option_char == 'T')) // Only Timeout allows floating-point.
			{
				*option_end = orig_char; // Undo the temporary termination.
				return ValueError(ERR_INVALID_OPTION, next_option, FAIL_OR_OK);
			}

			switch (ctoupper(*next_option))
			{
			case 'W': aInputBox.width = DPIScale(ATOI(next_option + 1)); break;
			case 'H': aInputBox.height = DPIScale(ATOI(next_option + 1)); break;
			case 'X': aInputBox.xpos = ATOI(next_option + 1); break;
			case 'Y': aInputBox.ypos = ATOI(next_option + 1); break;
			case 'T': aInputBox.timeout = (DWORD)(ATOF(next_option + 1) * 1000); break;
			}
		}
		
		*option_end = orig_char; // Undo the temporary termination.
	}
	return OK;
}

BIF_DECL(BIF_InputBox)
{