/*----------------------------------------------------------------------------
miniAudicle
Cocoa GUI to chuck audio programming environment

Copyright (c) 2005 Spencer Salazar.  All rights reserved.
http://chuck.cs.princeton.edu/
http://soundlab.cs.princeton.edu/

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
U.S.A.
-----------------------------------------------------------------------------*/

//-----------------------------------------------------------------------------
// file: miniAudicleShellController.mm
// desc: Mac OS X specific shell interface code
//
// author: Spencer Salazar (ssalazar@princeton.edu)
// date: Autumn 2005
//-----------------------------------------------------------------------------

#import "miniAudicleShellController.h"
#import "miniAudicleShellTextView.h"
#import "miniAudicle_shell.h"

extern Chuck_VM * g_vm;

@interface miniAudicleShellController (Private)
- (void)runShell;
@end

@implementation miniAudicleShellController

- (id)init
{
	if( [super init] )
	{
		ui = new miniAudicle_Shell_UI();
		ui->init();
		
		read_pipe = [[NSFileHandle alloc] initWithFileDescriptor:ui->get_ui_read_fd()];
		write_pipe = [[NSFileHandle alloc] initWithFileDescriptor:ui->get_ui_write_fd()];
		
		[read_pipe waitForDataInBackgroundAndNotify];
		
		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(readData:)
													 name:NSFileHandleDataAvailableNotification
												   object:read_pipe];
		
		shell = new Chuck_Shell();
		shell->init( g_vm, ui );
		[self runShell];
		
		data = [[NSMutableString alloc] init];
		
		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(closeOpenFiles:)
													 name:NSApplicationWillTerminateNotification
												   object:nil];
		
		[[NSNotificationCenter defaultCenter] addObserver:self
												 selector:@selector(writeData:)
													 name:@"mAShellTextViewDataAvailable"
												   object:nil];
	}
	
	return self;
}

- (void)awakeFromNib
{
	[text_view setFont:[NSFont fontWithName:@"Monaco" size:10]];
    [text_view startLine];
}

- (void)toggleIsActive:(id)sender
{
	if( [panel isKeyWindow] )
		[panel close];
	
	else
	{
		[panel makeKeyAndOrderFront:sender];
	}
}

- (void)writeData:(NSNotification *)n
{
	[[NSNotificationCenter defaultCenter] addObserver:self
											 selector:@selector(writeData:)
												 name:@"mAShellTextViewDataAvailable"
											   object:nil];	
	[write_pipe writeData:[[text_view lineData] dataUsingEncoding:NSASCIIStringEncoding]];

	[text_view startLine];
}

- (void)readData:(NSNotification *)n
{	
	NSString * t_string = [[NSString alloc] initWithData:[[n object] availableData] encoding:NSASCIIStringEncoding];
	[t_string autorelease];
	[[n object] waitForDataInBackgroundAndNotify];
	[text_view appendString:t_string];
}

- (void)closeOpenFiles:(NSNotification *)n;
{
	[write_pipe closeFile];
}

@end

@implementation miniAudicleShellController (Private)
- (void)runShell
{
	shell_tid = 0;
	if( pthread_create( &shell_tid, NULL, shell_cb, ( void * )shell ) )
	{
		fprintf( stderr, "error: unable to spawn ChucK shell thread\n" );
	}
}

@end

