void WaitAndProcessKeyPress()
{
var end = false;
_beginOfLineCurPos = new Point(0, _Y);
while (!end && !_exitAll)
{
var c = sc.ReadKey(true);
_lastKeyInfo = c;
var(id, left, top, right, bottom) = Console.ActualWorkArea(false);
var printable = false;
bool printOnlyCursorInfo = true;
switch (c.Key)
{
case ConsoleKey.LeftArrow:
lock (Console.ConsoleLock)
{
var p = Context.Out.CursorPos;
if (_splitedLineIndex == 0)
{
if (p.X > 0)
{
Context.Out.CursorLeft = p.X - 1;
}
}
else
{
var x = p.X - 1;
if (x < left)
{
Context.Out.SetCursorPosConstraintedInWorkArea(right - 1, p.Y - 1, true, true, false);
_splitedLineIndex--;
}
else
{
Context.Out.CursorLeft = x;
}
}
_X = Context.Out.CursorLeft;
_Y = Context.Out.CursorTop;
}
break;
case ConsoleKey.RightArrow:
lock (Console.ConsoleLock)
{
var line = _text[_currentLine];
var spl = Context.Out.GetIndexLineSplitsInWorkAreaConstraintedString(line, _beginOfLineCurPos, Context.Out.CursorPos.X, Context.Out.CursorPos.Y, true, false, !_rawMode);
var index = spl.CursorIndex;
var curY = Context.Out.CursorTop;
if (index < spl.PrintSequences.TextLength)
{
Context.Out.SetCursorPosConstraintedInWorkArea(Context.Out.CursorLeft + 1, Context.Out.CursorTop, true, true, false);
}
_X = Context.Out.CursorLeft;
_Y = Context.Out.CursorTop;
if (Context.Out.CursorTop > curY)
{
_splitedLineIndex++;
}
}
break;
case ConsoleKey.DownArrow:
lock (Console.ConsoleLock)
{
if (_currentLine < _text.Count - 1)
{
if (_linesSplits[_currentLine] == null)
{
_linesSplits[_currentLine] = GetLineSplits(_currentLine, 0, _Y);
}
if (_splitedLineIndex == _linesSplits[_currentLine].Count - 1)
{
_splitedLineIndex = 0;
_currentLine++;
_X = 0;
_Y++;
_beginOfLineCurPos.X = _X;
_beginOfLineCurPos.Y = _Y;
}
else
{
_Y++;
_splitedLineIndex++;
}
if (_Y < _barY)
{
Context.Out.SetCursorPos(_X, _Y);
}
else
{
_Y = _barY - 1;
if (_splitedLineIndex == 0)
{
_beginOfLineCurPos.Y = _Y;
}
Scroll(-1);
Context.Out.SetCursorPos(_X, _Y);
}
}
#if dbg
System.Diagnostics.Debug.WriteLine($"SCROLL DOWN: _lastVisibleLineIndex={_lastVisibleLineIndex} _splitedLastVisibleLineIndex={_splitedLastVisibleLineIndex} line={_text[_lastVisibleLineIndex]}");
#endif
}
break;
case ConsoleKey.UpArrow:
lock (Console.ConsoleLock)
{
if (_currentLine > 0 || _splitedLineIndex > 0)
{
if (_splitedLineIndex == 0)
{
_X = 0;
_Y--;
_currentLine--;
_beginOfLineCurPos.X = _X;
_beginOfLineCurPos.Y = _Y - (_linesSplits[_currentLine].Count - 1);
_splitedLineIndex = _linesSplits[_currentLine].Count - 1;
}
else
{
_splitedLineIndex--;
_Y--;
}
if (_Y >= 0)
{
Context.Out.SetCursorPos(_X, _Y);
}
else
{
_Y = 0;
_beginOfLineCurPos.Y = _Y - (_linesSplits[_currentLine].Count - 1);
Scroll(1);
Context.Out.SetCursorPos(_X, _Y);
}
}
#if dbg
System.Diagnostics.Debug.WriteLine($"SCROLL UP: _lastVisibleLineIndex={_lastVisibleLineIndex} _splitedLastVisibleLineIndex={_splitedLastVisibleLineIndex} line={_text[_lastVisibleLineIndex]}");
#endif
}
break;
case ConsoleKey.F1:
OpenHelp();
break;
default:
printable = true;
break;
}
if (c.Key == _cmdKey)
{
if (!_barVisible)
{
ToggleBarVisibility();
}
if (_cmdInput)
{
if (_cmdBarIndex == _maxCmdBarIndex)
{
_cmdInput = false;
printable = false;
_statusText = null;
printOnlyCursorInfo = false;
_cmdInput = false;
_cmdBarIndex = 0;
if (_barVisible)
{
ToggleBarVisibility();
}
}
else
{
_cmdBarIndex++;
}
}
else
{
_cmdInput = true;
}
if (_cmdInput)
{
printable = false;
_statusText = _pressCmdKeyText + " " + GetBarIndex();
printOnlyCursorInfo = false;
_cmdInput = true;
}
}
if (printable)
{
if (_cmdInput)
{
var hideBar = true;
switch (c.Key)
{
case ConsoleKey.I:
// show file info bar
hideBar = false;
_statusText = null;
_cmdInput = false;
printOnlyCursorInfo = false;
lock (Console.ConsoleLock)
{
BackupCursorPos();
EmptyInfoBar();
RestoreCursorPos();
}
break;
case ConsoleKey.V:
// toggle bar vis
ToggleBarVisibility();
break;
case ConsoleKey.T:
// file top
break;
case ConsoleKey.B:
// file bottom
break;
case ConsoleKey.A:
// previous page
break;
case ConsoleKey.Z:
// next page
break;
case ConsoleKey.C:
// clear editor
if (_readOnly)
{
hideBar = false; break;
}
ClearCurrentEditor();
hideBar = false;
printOnlyCursorInfo = false;
break;
case ConsoleKey.N:
// new file
ClearCurrentEditor(true);
hideBar = false;
printOnlyCursorInfo = false;
break;
case ConsoleKey.S:
// save file
if (_readOnly)
{
hideBar = false; break;
}
SaveFile();
break;
case ConsoleKey.L:
// load file
break;
case ConsoleKey.R:
_rawMode = !_rawMode;
_statusText = "raw mode is " + (_rawMode ? "enabled" : "disabled");
hideBar = false;
printOnlyCursorInfo = false;
RefreshEditor();
break;
case ConsoleKey.X:
// exit all
_exitAll = true;
break;
case ConsoleKey.Q:
// quit current editor - unstack to previous file if any, else exit
CheckFileSaveDialog();
if (_editorBackups.Count == 0)
{
end = true;
}
else
{
hideBar = false;
printOnlyCursorInfo = false;
RestorePreviousFile();
}
break;
default:
// invalid
hideBar = false;
_statusText = $"{Bred}Invalid comand key: '{c.Key}'.{Context.ShellEnv.Colors.Default} {_pressCmdKeyText} " + GetBarIndex();
printOnlyCursorInfo = false;
break;
}
if (hideBar)
{
if (_barVisible)
{
ToggleBarVisibility();
}
_cmdInput = false;
printOnlyCursorInfo = false;
}
}
}
lock (Console.ConsoleLock)
{
BackupCursorPos();
DisplayInfoBar(false, printOnlyCursorInfo);
RestoreCursorPos();
Context.Out.ShowCur();
printOnlyCursorInfo = true;
}
}
Exit();
}