TwoTerm/TermWindowController.mm

227 lines
4.7 KiB
Plaintext

//
// TermWindowController.m
// 2Term
//
// Created by Kelvin Sherlock on 7/2/2010.
// Copyright 2010 __MyCompanyName__. All rights reserved.
//
#import "TermWindowController.h"
#import "EmulatorView.h"
#import "CurveView.h"
#import "VT52.h"
#import "PTSE.h"
#import "Defaults.h"
#define TTYDEFCHARS
#include <util.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/ttydefaults.h>
#include <string>
#include <vector>
@implementation TermWindowController
@synthesize emulator = _emulator;
@synthesize emulatorView = _emulatorView;
@synthesize curveView = _curveView;
@synthesize parameters = _parameters;
+(id)new
{
return [[self alloc] initWithWindowNibName: @"TermWindow"];
}
-(void)dealloc
{
[_emulator release];
[_emulatorView release];
[_curveView release];
[_parameters release];
[super dealloc];
}
/*
-(void)awakeFromNib
{
[self initPTY];
}
*/
-(void)initPTY
{
int pid;
int fd;
struct termios term;
struct winsize ws = [_emulator defaultSize];
//int flags;
memset(&term, 0, sizeof(term));
//term.c_oflag = OPOST | ONLCR;
//term.c_lflag = ECHO;
//term.c_iflag = ICRNL; // | ICANON | ECHOE | ISIG;
term.c_oflag = TTYDEF_OFLAG;
term.c_lflag = TTYDEF_LFLAG;
term.c_iflag = TTYDEF_IFLAG;
term.c_cflag = TTYDEF_CFLAG;
term.c_ispeed = term.c_ospeed = TTYDEF_SPEED;
memcpy(term.c_cc, ttydefchars, sizeof(ttydefchars));
if ([_emulator respondsToSelector: @selector(initTerm:)])
[_emulator initTerm: &term];
pid = forkpty(&fd, NULL, &term, &ws);
if (pid < 0)
{
fprintf(stderr, "forkpty failed\n");
fflush(stderr);
return;
}
if (pid == 0)
{
std::vector<const char *> environ;
std::string s;
s.append("TERM_PROGRAM=2Term");
s.append(1, (char)0);
s.append("LANG=C");
s.append(1, (char)0);
s.append("TERM=");
s.append([_emulator termName]);
s.append(1, (char)0);
s.append(1, (char )0);
for (std::string::size_type index = 0;;)
{
environ.push_back(&s[index]);
index = s.find((char)0, index);
if (index == std::string::npos) break;
if (s[++index] == 0) break;
}
environ.push_back(NULL);
// call login -f [username]
// -p -- do NOT ignore environment.
// export TERM=...
// TODO -- option for localhost, telnet, ssh, etc.
execle("/usr/bin/login", "login", "-pf", getlogin(), NULL, &environ[0]);
fprintf(stderr, "execle failed\n");
fflush(stderr);
// should not call exit.
_exit(-1);
// child
}
/*
if (fcntl(fd, F_GETFL, &flags) < 0) flags = 0;
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
*/
[_emulatorView resizeTo: iSize(ws.ws_col, ws.ws_row)];
if (![_emulator resizable])
{
NSWindow *window = [self window];
NSUInteger mask = [window styleMask];
[window setShowsResizeIndicator: NO];
[window setStyleMask: mask & ~NSResizableWindowMask];
}
_child = pid;
[_emulatorView setFd: fd];
[_emulatorView startBackgroundReader];
}
#pragma mark -
#pragma mark NSWindowDelegate
- (void)windowDidLoad
{
BOOL scanLines;
NSColor *foregroundColor;
NSColor *backgroundColor;
Class klass;
id o;
[super windowDidLoad];
klass = [_parameters objectForKey: kClass];
if (!klass || ![klass conformsToProtocol: @protocol(Emulator)])
{
klass = [VT52 class];
}
o = [_parameters objectForKey: kScanLines];
scanLines = o ? [(NSNumber *)o boolValue] : YES;
o = [_parameters objectForKey: kForegroundColor];
foregroundColor = o ? (NSColor *)o : [NSColor greenColor];
o = [_parameters objectForKey: kBackgroundColor];
backgroundColor = o ? (NSColor *)o : [NSColor blackColor];
[self willChangeValueForKey: @"emulator"];
_emulator = [klass new];
[self didChangeValueForKey: @"emulator"];
[_emulatorView setEmulator: _emulator];
[_emulatorView setForegroundColor: foregroundColor];
[_emulatorView setBackgroundColor: backgroundColor];
[_emulatorView setScanLines: scanLines];
//[_curveView initScanLines];
//[_curveView setColor: [NSColor blueColor]];
[self initPTY];
}
-(void)windowWillClose:(NSNotification *)notification
{
[self autorelease];
}
@end