private void vm_LineWanted(object sender, LineWantedEventArgs e)
{
if (wrapperState == VMWrapperState.RequestRestore)
entry = "restore";
if (wrapperState == VMWrapperState.RunCommand)
entry = saveCommand;
if (wrapperState == VMWrapperState.RequestSave)
entry = "save";
e.Line = entry;
}
private uint glk_select(uint[] args)
{
DeliverOutput();
if (glkWantLineInput)
{
string line;
if (LineWanted == null)
{
line = "";
}
else
{
LineWantedEventArgs e = new LineWantedEventArgs();
LineWanted(this, e);
line = e.Line;
}
byte[] bytes = StringToLatin1(line);
uint max = Math.Min(glkLineInputBufSize, (uint)bytes.Length);
for (uint i = 0; i < max; i++)
image.WriteByte(glkLineInputBuffer + i, bytes[i]);
// return event
GlkWriteReference(
args[0],
GlkConst.evtype_LineInput, 1, max, 0);
glkWantLineInput = false;
}
else if (glkWantCharInput)
{
char ch;
if (KeyWanted == null)
{
ch = '\0';
}
else
{
KeyWantedEventArgs e = new KeyWantedEventArgs();
KeyWanted(this, e);
ch = e.Char;
}
// return event
GlkWriteReference(
args[0],
GlkConst.evtype_CharInput, 1, ch, 0);
glkWantCharInput = false;
}
else
{
// no event
GlkWriteReference(
args[0],
GlkConst.evtype_None, 0, 0, 0);
}
return 0;
}
private void InputLine(uint address, uint bufSize)
{
string input = null;
// we need at least 4 bytes to do anything useful
if (bufSize < 4)
return;
// can't do anything without this event handler
if (LineWanted == null)
{
image.WriteInt32(address, 0);
return;
}
LineWantedEventArgs lineArgs = new LineWantedEventArgs();
// CancelEventArgs waitArgs = new CancelEventArgs();
// ask the application to read a line
LineWanted(this, lineArgs);
input = lineArgs.Line;
if (input == null)
{
image.WriteInt32(address, 0);
}
else
{
byte[] bytes = null;
// write the length first
try
{
bytes = StringToLatin1(input);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
image.WriteInt32(address, (uint)bytes.Length);
// followed by the character data, truncated to fit the buffer
uint max = Math.Min(bufSize, (uint)bytes.Length);
for (uint i = 0; i < max; i++)
image.WriteByte(address + 4 + i, bytes[i]);
}
}
private void vm_LineWanted(object sender, LineWantedEventArgs e)
{
ViewModelLocator.Invoke(RequestLine);
inputReadyEvent.WaitOne();
e.Line = command;
}
