Function C_TabCompleteList

source/common/console/c_tabcomplete.cpp:246–322

}

bool C_TabCompleteList ()
{
	int nummatches, i;
	size_t maxwidth;
	int commonsize = INT_MAX;

	nummatches = 0;
	maxwidth = 0;

	auto CmdLineText = CmdLine.GetText();
	for (i = TabPos; i < (int)TabCommands.Size(); ++i)
	{
		if (FindDiffPoint (TabCommands[i].TabName, &CmdLineText[TabStart]) < TabSize)
		{
			break;
		}
		else
		{
			if (i > TabPos)
			{
				// This keeps track of the longest common prefix for all the possible
				// completions, so we can fill in part of the command for the user if
				// the longest common prefix is longer than what the user already typed.
				int diffpt = FindDiffPoint (TabCommands[i-1].TabName, TabCommands[i].TabName.GetChars());
				if (diffpt < commonsize)
				{
					commonsize = diffpt;
				}
			}
			nummatches++;
			maxwidth = max (maxwidth, strlen (TabCommands[i].TabName.GetChars()));
		}
	}
	if (nummatches > 1)
	{
		size_t x = 0;
		maxwidth += 3;
		Printf (TEXTCOLOR_BLUE "Completions for %s:\n", CmdLineText.GetChars());
		for (i = TabPos; nummatches > 0; ++i, --nummatches)
		{
			// [Dusk] Print console commands blue, CVars green, aliases red.
			const char* colorcode = "";
			FConsoleCommand* ccmd;
			if (FindCVar (TabCommands[i].TabName.GetChars(), NULL))
				colorcode = TEXTCOLOR_GREEN;
			else if ((ccmd = FConsoleCommand::FindByName (TabCommands[i].TabName.GetChars())) != NULL)
			{
				if (ccmd->IsAlias())
					colorcode = TEXTCOLOR_RED;
				else
					colorcode = TEXTCOLOR_LIGHTBLUE;
			}

			Printf ("%s%-*s", colorcode, int(maxwidth), TabCommands[i].TabName.GetChars());
			x += maxwidth;
			if (x > CmdLine.ConCols / active_con_scale(twod) - maxwidth)
			{
				x = 0;