void ProcessInput(Action <KeyEvent> keyHandler, Action <KeyEvent> keyDownHandler, Action <KeyEvent> keyUpHandler, Action <MouseEvent> mouseHandler)
{
int wch;
var code = Curses.get_wch(out wch);
if (code == Curses.ERR)
{
return;
}
keyModifiers = new KeyModifiers();
Key k = Key.Null;
if (code == Curses.KEY_CODE_YES)
{
if (wch == Curses.KeyResize)
{
if (Curses.CheckWinChange())
{
TerminalResized?.Invoke();
return;
}
}
if (wch == Curses.KeyMouse)
{
Curses.getmouse(out Curses.MouseEvent ev);
//System.Diagnostics.Debug.WriteLine ($"ButtonState: {ev.ButtonState}; ID: {ev.ID}; X: {ev.X}; Y: {ev.Y}; Z: {ev.Z}");
mouseHandler(ToDriverMouse(ev));
return;
}
k = MapCursesKey(wch);
if (wch >= 277 && wch <= 288) // Shift+(F1 - F12)
{
wch -= 12;
k = Key.ShiftMask | MapCursesKey(wch);
}
else if (wch >= 289 && wch <= 300) // Ctrl+(F1 - F12)
{
wch -= 24;
k = Key.CtrlMask | MapCursesKey(wch);
}
else if (wch >= 301 && wch <= 312) // Ctrl+Shift+(F1 - F12)
{
wch -= 36;
k = Key.CtrlMask | Key.ShiftMask | MapCursesKey(wch);
}
else if (wch >= 313 && wch <= 324) // Alt+(F1 - F12)
{
wch -= 48;
k = Key.AltMask | MapCursesKey(wch);
}
else if (wch >= 325 && wch <= 327) // Shift+Alt+(F1 - F3)
{
wch -= 60;
k = Key.ShiftMask | Key.AltMask | MapCursesKey(wch);
}
keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyUpHandler(new KeyEvent(k, MapKeyModifiers(k)));
return;
}
// Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
if (wch == 27)
{
Curses.timeout(200);
code = Curses.get_wch(out int wch2);
if (code == Curses.KEY_CODE_YES)
{
k = Key.AltMask | MapCursesKey(wch);
}
if (code == 0)
{
KeyEvent key;
// The ESC-number handling, debatable.
// Simulates the AltMask itself by pressing Alt + Space.
if (wch2 == (int)Key.Space)
{
k = Key.AltMask;
}
else if (wch2 - (int)Key.Space >= (uint)Key.A && wch2 - (int)Key.Space <= (uint)Key.Z)
{
k = (Key)((uint)Key.AltMask + (wch2 - (int)Key.Space));
}
else if (wch2 >= (uint)Key.A - 64 && wch2 <= (uint)Key.Z - 64)
{
k = (Key)((uint)(Key.AltMask | Key.CtrlMask) + (wch2 + 64));
}
else if (wch2 >= (uint)Key.D0 && wch2 <= (uint)Key.D9)
{
k = (Key)((uint)Key.AltMask + (uint)Key.D0 + (wch2 - (uint)Key.D0));
}
else if (wch2 == 27)
{
k = (Key)wch2;
}
else if (wch2 == Curses.KEY_CODE_SEQ)
{
int [] c = null;
while (code == 0)
{
code = Curses.get_wch(out wch2);
if (wch2 > 0)
{
Array.Resize(ref c, c == null ? 1 : c.Length + 1);
c [c.Length - 1] = wch2;
}
}
if (c [0] == 49 && c [1] == 59 && c [2] == 55 && c [3] >= 80 && c [3] <= 83) // Ctrl+Alt+(F1 - F4)
{
wch2 = c [3] + 185;
k = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 49 && c [2] == 59 && c [3] == 55 && c [4] == 126 && c [1] >= 53 && c [1] <= 57) // Ctrl+Alt+(F5 - F8)
{
wch2 = c [1] == 53 ? c [1] + 216 : c [1] + 215;
k = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 50 && c [2] == 59 && c [3] == 55 && c [4] == 126 && c [1] >= 48 && c [1] <= 52) // Ctrl+Alt+(F9 - F12)
{
wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
k = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] >= 80 && c [3] <= 83) // Ctrl+Shift+Alt+(F1 - F4)
{
wch2 = c [3] + 185;
k = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 49 && c [2] == 59 && c [3] == 56 && c [4] == 126 && c [1] >= 53 && c [1] <= 57) // Ctrl+Shift+Alt+(F5 - F8)
{
wch2 = c [1] == 53 ? c [1] + 216 : c [1] + 215;
k = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 50 && c [2] == 59 && c [3] == 56 && c [4] == 126 && c [1] >= 48 && c [1] <= 52) // Ctrl+Shift+Alt+(F9 - F12)
{
wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
k = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 49 && c [1] == 59 && c [2] == 52 && c [3] == 83) // Shift+Alt+(F4)
{
wch2 = 268;
k = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 49 && c [2] == 59 && c [3] == 52 && c [4] == 126 && c [1] >= 53 && c [1] <= 57) // Shift+Alt+(F5 - F8)
{
wch2 = c [1] < 55 ? c [1] + 216 : c [1] + 215;
k = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 50 && c [2] == 59 && c [3] == 52 && c [4] == 126 && c [1] >= 48 && c [1] <= 52) // Shift+Alt+(F9 - F12)
{
wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
k = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
}
else if (c [0] == 54 && c [1] == 59 && c [2] == 56 && c [3] == 126) // Shift+Ctrl+Alt+KeyNPage
{
k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.PageDown;
}
else if (c [0] == 53 && c [1] == 59 && c [2] == 56 && c [3] == 126) // Shift+Ctrl+Alt+KeyPPage
{
k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.PageUp;
}
else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] == 72) // Shift+Ctrl+Alt+KeyHome
{
k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.Home;
}
else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] == 70) // Shift+Ctrl+Alt+KeyEnd
{
k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.End;
}
else
{
k = MapCursesKey(wch2);
}
}
else
{
// Unfortunately there are no way to differentiate Ctrl+Alt+alfa and Ctrl+Shift+Alt+alfa.
if (((Key)wch2 & Key.CtrlMask) != 0)
{
keyModifiers.Ctrl = true;
}
if (wch2 == 0)
{
k = Key.CtrlMask | Key.AltMask | Key.Space;
}
else if (wch >= (uint)Key.A && wch <= (uint)Key.Z)
{
keyModifiers.Shift = true;
keyModifiers.Alt = true;
}
else if (wch2 < 256)
{
k = (Key)wch2;
keyModifiers.Alt = true;
}
else
{
k = (Key)((uint)(Key.AltMask | Key.CtrlMask) + wch2);
}
}
key = new KeyEvent(k, MapKeyModifiers(k));
keyDownHandler(key);
keyHandler(key);
}
else
{
k = Key.Esc;
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
}
else if (wch == Curses.KeyTab)
{
k = MapCursesKey(wch);
keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
else
{
// Unfortunately there are no way to differentiate Ctrl+alfa and Ctrl+Shift+alfa.
k = (Key)wch;
if (wch == 0)
{
k = Key.CtrlMask | Key.Space;
}
else if (wch >= (uint)Key.A - 64 && wch <= (uint)Key.Z - 64)
{
if ((Key)(wch + 64) != Key.J)
{
k = Key.CtrlMask | (Key)(wch + 64);
}
}
else if (wch >= (uint)Key.A && wch <= (uint)Key.Z)
{
keyModifiers.Shift = true;
}
keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyUpHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
// Cause OnKeyUp and OnKeyPressed. Note that the special handling for ESC above
// will not impact KeyUp.
// This is causing ESC firing even if another keystroke was handled.
//if (wch == Curses.KeyTab) {
// keyUpHandler (new KeyEvent (MapCursesKey (wch), keyModifiers));
//} else {
// keyUpHandler (new KeyEvent ((Key)wch, keyModifiers));
//}
}
/// <summary>
/// Constructs a new <see cref="KeyEvent"/>
/// </summary>
public KeyEvent()
{
Key = Key.Unknown;
keyModifiers = new KeyModifiers();
}
/// <summary>
/// Constructs a new <see cref="KeyEvent"/> from the provided Key value - can be a rune cast into a Key value
/// </summary>
public KeyEvent(Key k, KeyModifiers km)
{
Key = k;
keyModifiers = km;
}
void ProcessInput(Action <KeyEvent> keyHandler, Action <KeyEvent> keyDownHandler, Action <KeyEvent> keyUpHandler, Action <MouseEvent> mouseHandler)
{
int wch;
var code = Curses.get_wch(out wch);
if (code == Curses.ERR)
{
return;
}
keyModifiers = new KeyModifiers();
Key k;
if (code == Curses.KEY_CODE_YES)
{
if (wch == Curses.KeyResize)
{
if (Curses.CheckWinChange())
{
TerminalResized?.Invoke();
return;
}
}
if (wch == Curses.KeyMouse)
{
Curses.MouseEvent ev;
Curses.getmouse(out ev);
mouseHandler(ToDriverMouse(ev));
return;
}
keyHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
keyUpHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
return;
}
// Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
if (wch == 27)
{
Curses.timeout(200);
code = Curses.get_wch(out int wch2);
if (code == Curses.KEY_CODE_YES)
{
k = Key.AltMask | MapCursesKey(wch);
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
if (code == 0)
{
KeyEvent key;
// The ESC-number handling, debatable.
// Simulates the AltMask itself by pressing Alt + Space.
if (wch2 == (int)Key.Space)
{
k = Key.AltMask;
key = new KeyEvent(k, MapKeyModifiers(k));
}
else if (wch2 - (int)Key.Space >= 'A' && wch2 - (int)Key.Space <= 'Z')
{
k = (Key)((uint)Key.AltMask + (wch2 - (int)Key.Space));
key = new KeyEvent(k, MapKeyModifiers(k));
}
else if (wch2 >= '1' && wch <= '9')
{
k = (Key)((int)Key.F1 + (wch2 - '0' - 1));
key = new KeyEvent(k, MapKeyModifiers(k));
}
else if (wch2 == '0')
{
k = Key.F10;
key = new KeyEvent(k, MapKeyModifiers(k));
}
else if (wch2 == 27)
{
k = (Key)wch2;
key = new KeyEvent(k, MapKeyModifiers(k));
}
else
{
k = Key.AltMask | (Key)wch2;
key = new KeyEvent(k, MapKeyModifiers(k));
}
keyHandler(key);
}
else
{
k = Key.Esc;
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
}
else if (wch == Curses.KeyTab)
{
k = MapCursesKey(wch);
keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
else
{
k = (Key)wch;
keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
}
// Cause OnKeyUp and OnKeyPressed. Note that the special handling for ESC above
// will not impact KeyUp.
// This is causing ESC firing even if another keystroke was handled.
//if (wch == Curses.KeyTab) {
// keyUpHandler (new KeyEvent (MapCursesKey (wch), keyModifiers));
//} else {
// keyUpHandler (new KeyEvent ((Key)wch, keyModifiers));
//}
}