non/sequencer/src/main.C

301 lines
6.9 KiB
C

/**********************************************************************************/
/* Copyright (C) 2007,2008 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software ; */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/**********************************************************************************/
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "non.H"
// #include "gui/input.H"
#include "gui/ui.H"
#include "jack.H"
#include "NSM.H"
#include "transport.H"
#include "pattern.H"
#include "phrase.H"
#include <signal.h>
// extern const char *BUILD_ID;
// extern const char *VERSION;
const double NSM_CHECK_INTERVAL = 0.25f;
Canvas *pattern_c, *phrase_c, *trigger_c;
sequence *playlist;
global_settings config;
song_settings song;
NSM_Client *nsm;
char *instance_name;
/* default to pattern mode */
UI *ui;
void
quit ( void )
{
/* clean up, only for valgrind's sake */
ui->save_settings();
delete ui;
delete pattern_c;
delete phrase_c;
delete trigger_c;
midi_all_sound_off();
// wait for it...
sleep( 1 );
midi_shutdown();
MESSAGE( "Your fun is over" );
exit( 0 );
}
void
clear_song ( void )
{
// song.filename = NULL;
pattern_c->grid( NULL );
phrase_c->grid( NULL );
playlist->reset();
playlist->insert( 0, 1 );
pattern_c->grid( new pattern );
phrase_c->grid( new phrase );
song.dirty( false );
}
void
init_song ( void )
{
if ( ! midi_is_active() )
setup_jack();
if ( !( nsm && nsm->is_active() ) )
song.filename = NULL;
clear_song();
if ( nsm && nsm->is_active() )
save_song( song.filename );
}
void
handle_midi_input ( void )
{
midievent e;
while ( ( midi_input_event( PERFORMANCE, &e ) ) )
{
pattern::record_event( &e );
}
}
bool
load_song ( const char *name )
{
if ( ! midi_is_active() )
setup_jack();
MESSAGE( "loading song \"%s\"", name );
Grid *pattern_grid = pattern_c->grid();
Grid *phrase_grid = phrase_c->grid();
pattern_c->grid( NULL );
phrase_c->grid( NULL );
if ( ! playlist->load( name ) )
{
WARNING( "failed to load song file" );
goto failed;
}
pattern_c->grid( pattern::pattern_by_number( 1 ) );
phrase_c->grid( phrase::phrase_by_number( 1 ) );
song.filename = strdup( name );
song.dirty( false );
return true;
failed:
pattern_c->grid( pattern_grid );
phrase_c->grid( phrase_grid );
return false;
}
bool
save_song ( const char *name )
{
playlist->save( name );
song.filename = strdup( name );
song.dirty( false );
return true;
}
void
setup_jack ( )
{
const char *jack_name;
jack_name = midi_init( instance_name );
if ( ! jack_name )
ASSERTION( "Could not initialize MIDI system! (is Jack running and with MIDI ports enabled?)" );
if ( ! transport.valid )
{
if ( transport.master )
ASSERTION( "The version of JACK you are using does not appear to be capable of passing BBT positional information." );
else
ASSERTION( "Either the version of JACK you are using does pass BBT information, or the current timebase master does not provide it." );
}
}
static int got_sigterm = 0;
void
sigterm_handler ( int )
{
got_sigterm = 1;
Fl::awake();
}
void
check_sigterm ( void * )
{
if ( got_sigterm )
{
MESSAGE( "Got SIGTERM, quitting..." );
quit();
}
}
void
check_nsm ( void * v )
{
nsm->check();
Fl::repeat_timeout( NSM_CHECK_INTERVAL, check_nsm, v );
}
int
main ( int argc, char **argv )
{
printf( "%s %s %s -- %s\n", APP_TITLE, VERSION, "", COPYRIGHT );
if ( ! Fl::visual( FL_DOUBLE | FL_RGB ) )
{
WARNING( "Xdbe not supported, FLTK will fake double buffering." );
}
::signal( SIGTERM, sigterm_handler );
::signal( SIGHUP, sigterm_handler );
::signal( SIGINT, sigterm_handler );
config.follow_playhead = true;
config.record_mode = MERGE;
song.play_mode = PATTERN;
song.random.feel = 8;
song.random.probability = 0.33;
asprintf( &config.user_config_dir, "%s/%s", getenv( "HOME" ), USER_CONFIG_DIR );
mkdir( config.user_config_dir, 0777 );
playlist = new sequence;
pattern_c = new Canvas;
phrase_c = new Canvas;
trigger_c = new Canvas;
nsm = new NSM_Client;
song.filename = NULL;
clear_song();
pattern::signal_create_destroy.connect( mem_fun( phrase_c, &Canvas::v_zoom_fit ) );
pattern::signal_create_destroy.connect( mem_fun( song, &song_settings::set_dirty ) );
phrase::signal_create_destroy.connect( mem_fun( song, &song_settings::set_dirty ) );
//
song.dirty( false );
init_colors();
ui = new UI;
ui->main_window->show( 0, 0 );
instance_name = strdup( APP_NAME );
const char *nsm_url = getenv( "NSM_URL" );
if ( nsm_url )
{
if ( ! nsm->init( nsm_url ) )
{
nsm->announce( APP_NAME, ":switch:dirty:", argv[0] );
song.signal_dirty.connect( sigc::mem_fun( nsm, &NSM_Client::is_dirty ) );
song.signal_clean.connect( sigc::mem_fun( nsm, &NSM_Client::is_clean ) );
// poll so we can keep OSC handlers running in the GUI thread and avoid extra sync
Fl::add_timeout( NSM_CHECK_INTERVAL, check_nsm, NULL );
}
else
WARNING( "Error initializing NSM" );
}
else
{
setup_jack();
if ( argc > 1 )
{
/* maybe a filename on the commandline */
if ( ! load_song( argv[ 1 ] ) )
ASSERTION( "Could not load song \"%s\" specified on command line", argv[ 1 ] );
}
}
MESSAGE( "Initializing GUI" );
Fl::add_check( check_sigterm );
ui->load_settings();
ui->run();
return 0;
}