public override void ViewDidLoad()
{
base.ViewDidLoad();
terminalView = new TerminalView(View.Frame);
var t = terminalView.Terminal;
var size = new UnixWindowSize();
GetSize(t, ref size);
pid = Pty.ForkAndExec("/bin/bash", new string [] { "/bin/bash" }, Terminal.GetEnvironmentVariables(), out fd, size);
DispatchIO.Read(fd, (nuint)readBuffer.Length, DispatchQueue.CurrentQueue, ChildProcessRead);
terminalView.UserInput += (byte [] data) => {
DispatchIO.Write(fd, DispatchData.FromByteBuffer(data), DispatchQueue.CurrentQueue, ChildProcessWrite);
};
terminalView.Feed("Welcome to XtermSharp - NSView frontend!\n");
terminalView.TitleChanged += (TerminalView sender, string title) => {
View.Window.Title = title;
};
terminalView.SizeChanged += (newCols, newRows) => {
UnixWindowSize nz = new UnixWindowSize();
GetSize(t, ref nz);
var res = Pty.SetWinSize(fd, ref nz);
Console.WriteLine(res);
};
View.AddSubview(terminalView);
}
void GetSize(Terminal terminal, ref UnixWindowSize size)
{
size = new UnixWindowSize()
{
col = (short)terminal.Cols,
row = (short)terminal.Rows,
xpixel = (short)View.Frame.Width,
ypixel = (short)View.Frame.Height
};
}
/// <summary>
/// Ges the unix window size from the given dimensions
/// </summary>
protected static void GetUnixWindowSize(int cols, int rows, nfloat width, nfloat height, ref UnixWindowSize size)
{
size = new UnixWindowSize()
{
col = (short)cols,
row = (short)rows,
xpixel = (short)width,
ypixel = (short)height
};
}
static void GetUnixWindowSize(CGRect frame, int rows, int cols, ref UnixWindowSize size)
{
size = new UnixWindowSize()
{
col = (short)cols,
row = (short)rows,
xpixel = (short)frame.Width,
ypixel = (short)frame.Height
};
}
void HandleSizeChanged(int newCols, int newRows)
{
UnixWindowSize newSize = new UnixWindowSize();
GetUnixWindowSize(terminalView.Frame, terminalView.Terminal.Rows, terminalView.Terminal.Cols, ref newSize);
var res = Pty.SetWinSize(shellFileDescriptor, ref newSize);
// TODO: log result of SetWinSize if != 0
UpdateScroller();
}
/// <summary>
/// Notifies the subshell that the size has changed
/// </summary>
public override void NotifySizeChanged(int newCols, int newRows, nfloat width, nfloat height)
{
UnixWindowSize newSize = new UnixWindowSize();
GetUnixWindowSize(newCols, newRows, width, height, ref newSize);
if (IsRunning)
{
var res = Pty.SetWinSize(shellFileDescriptor, ref newSize);
// TODO: log result of SetWinSize if != 0
}
else
{
initialSize = newSize;
}
}
/// <summary>
/// Launches the shell
/// </summary>
public void StartShell(string shellPath = "/bin/bash", string [] args = null)
{
// TODO: throw error if already started
terminalView.Feed(WelcomeText + "\n");
var size = new UnixWindowSize();
GetUnixWindowSize(terminalView.Frame, terminalView.Terminal.Rows, terminalView.Terminal.Cols, ref size);
var shellArgs = args == null ? new string [1] : new string [args.Length + 1];
shellArgs [0] = shellPath;
args?.CopyTo(shellArgs, 1);
shellPid = Pty.ForkAndExec(shellPath, shellArgs, Terminal.GetEnvironmentVariables(), out shellFileDescriptor, size);
DispatchIO.Read(shellFileDescriptor, (nuint)readBuffer.Length, DispatchQueue.CurrentQueue, ChildProcessRead);
}
