/// <summary>
/// Key_Console
/// Interactive line editing and console scrollback
/// </summary>
static void KeyConsole(int key)
{
if (key == K_ENTER)
{
string line = new String(_Lines[_EditLine]).TrimEnd('\0', ' ');
string cmd = line.Substring(1);
Cbuf.AddText(cmd); // skip the >
Cbuf.AddText("\n");
Con.Print("{0}\n", line);
_EditLine = (_EditLine + 1) & 31;
_HistoryLine = _EditLine;
_Lines[_EditLine][0] = ']';
Key.LinePos = 1;
if (Client.cls.state == cactive_t.ca_disconnected)
{
Scr.UpdateScreen(); // force an update, because the command
}
// may take some time
return;
}
if (key == K_TAB)
{
// command completion
string txt = new String(_Lines[_EditLine], 1, MAXCMDLINE - 1).TrimEnd('\0', ' ');
string[] cmds = Cmd.Complete(txt);
string[] vars = Cvar.CompleteName(txt);
string match = null;
if (cmds != null)
{
if (cmds.Length > 1 || vars != null)
{
Con.Print("\nCommands:\n");
foreach (string s in cmds)
{
Con.Print(" {0}\n", s);
}
}
else
{
match = cmds[0];
}
}
if (vars != null)
{
if (vars.Length > 1 || cmds != null)
{
Con.Print("\nVariables:\n");
foreach (string s in vars)
{
Con.Print(" {0}\n", s);
}
}
else if (match == null)
{
match = vars[0];
}
}
if (!String.IsNullOrEmpty(match))
{
int len = Math.Min(match.Length, MAXCMDLINE - 3);
for (int i = 0; i < len; i++)
{
_Lines[_EditLine][i + 1] = match[i];
}
Key.LinePos = len + 1;
_Lines[_EditLine][Key.LinePos] = ' ';
Key.LinePos++;
_Lines[_EditLine][Key.LinePos] = '\0';
return;
}
}
if (key == K_BACKSPACE || key == K_LEFTARROW)
{
if (Key.LinePos > 1)
{
Key.LinePos--;
}
return;
}
if (key == K_UPARROW)
{
do
{
_HistoryLine = (_HistoryLine - 1) & 31;
} while (_HistoryLine != _EditLine && (_Lines[_HistoryLine][1] == 0));
if (_HistoryLine == _EditLine)
{
_HistoryLine = (_EditLine + 1) & 31;
}
Array.Copy(_Lines[_HistoryLine], _Lines[_EditLine], MAXCMDLINE);
Key.LinePos = 0;
while (_Lines[_EditLine][Key.LinePos] != '\0' && Key.LinePos < MAXCMDLINE)
{
Key.LinePos++;
}
return;
}
if (key == K_DOWNARROW)
{
if (_HistoryLine == _EditLine)
{
return;
}
do
{
_HistoryLine = (_HistoryLine + 1) & 31;
}while (_HistoryLine != _EditLine && (_Lines[_HistoryLine][1] == '\0'));
if (_HistoryLine == _EditLine)
{
_Lines[_EditLine][0] = ']';
Key.LinePos = 1;
}
else
{
Array.Copy(_Lines[_HistoryLine], _Lines[_EditLine], MAXCMDLINE);
Key.LinePos = 0;
while (_Lines[_EditLine][Key.LinePos] != '\0' && Key.LinePos < MAXCMDLINE)
{
Key.LinePos++;
}
}
return;
}
if (key == K_PGUP || key == K_MWHEELUP)
{
Con.BackScroll += 2;
if (Con.BackScroll > Con.TotalLines - (Scr.vid.height >> 3) - 1)
{
Con.BackScroll = Con.TotalLines - (Scr.vid.height >> 3) - 1;
}
return;
}
if (key == K_PGDN || key == K_MWHEELDOWN)
{
Con.BackScroll -= 2;
if (Con.BackScroll < 0)
{
Con.BackScroll = 0;
}
return;
}
if (key == K_HOME)
{
Con.BackScroll = Con.TotalLines - (Scr.vid.height >> 3) - 1;
return;
}
if (key == K_END)
{
Con.BackScroll = 0;
return;
}
if (key < 32 || key > 127)
{
return; // non printable
}
if (Key.LinePos < MAXCMDLINE - 1)
{
_Lines[_EditLine][Key.LinePos] = (char)key;
Key.LinePos++;
_Lines[_EditLine][Key.LinePos] = '\0';
}
}
