/*******************************************************************************/ /* Copyright (C) 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. */ /*******************************************************************************/ /* Controls the audio transport */ #include "Transport.H" #include "Timeline.H" #include "Engine/Engine.H" Transport::Transport ( int X, int Y, int W, int H, const char *L ) : Fl_Flowpack( X, Y, W, H, L ) { recording = false; rolling = false; _stop_disables_record = true; bar = 0; beat = 0; tick = 0; beats_per_minute = 120; ticks_per_beat = 1920; beat_type = 4; beats_per_bar = 4; next_time = 0; frame_time =0; frame_rate = 48000; frame = 0; { _home_button = new Fl_Button(5, 5, 40, 44, "@|<"); } // Fl_Button* _home_button { _end_button = new Fl_Button(45, 5, 40, 44, "@>|"); } // Fl_Button* _end_button { _play_button = new Fl_Button(85, 5, 40, 44, "@>"); } // Fl_Button* _play_button { _record_button = new Fl_Button(130, 5, 40, 44, "@circle"); } // Fl_Button* _record_button { _punch_button = new Fl_Button(175, 5, 38, 21, "Punch"); _punch_button->type(1); _punch_button->labelsize(10); } // Fl_Button* _punch_button { _loop_button = new Fl_Button(175, 20, 38, 21, "Loop"); _loop_button->type(1); _loop_button->labelsize(10); } // Fl_Button* _loop_button { _new_take_button = new Fl_Button(225, 5, 60, 21, "New Take"); _new_take_button->type(1); _new_take_button->labelsize(10); } // Fl_Button* _new_take_button { _freewheel_button = new Fl_Button(225, 5, 60, 21, "Freewheel"); _freewheel_button->type(1); _freewheel_button->labelsize(10); } // Fl_Button* _new_take_button end(); Fl_Button *o; o = _home_button; o->callback( cb_button, this ); o->shortcut( FL_Home ); o = _end_button; o->callback( cb_button, this ); o->shortcut( FL_End ); o = _play_button; o->callback( cb_button, this ); o->shortcut( ' ' ); o = _record_button; o->type( FL_TOGGLE_BUTTON ); o->shortcut( 'R' ); o->callback( cb_button, this ); o->color2( FL_RED ); o->when( FL_WHEN_CHANGED ); o = _punch_button; o->type( FL_TOGGLE_BUTTON ); o->shortcut( 'P' ); o->callback( cb_button, this ); o->when( FL_WHEN_CHANGED ); o->color2( fl_color_average( FL_GRAY, FL_RED, 0.50 )); o->tooltip( "Toggle punch in/out recording mode" ); o = _loop_button; o->type( FL_TOGGLE_BUTTON ); o->shortcut( 'L' ); o->callback( cb_button, this ); o->when( FL_WHEN_CHANGED ); o->color2( fl_color_average( FL_GRAY, FL_GREEN, 0.50 )); o->tooltip( "Toggle looped playback" ); o = _new_take_button; o->type( FL_TOGGLE_BUTTON ); o->shortcut( 'T' ); o->callback( cb_button, this ); o->when( FL_WHEN_CHANGED ); o->color2( fl_color_average( FL_GRAY, FL_YELLOW, 0.50 ) ); o->tooltip( "Toggle automatic creation of new takes for armed tracks" ); o = _freewheel_button; o->type( FL_TOGGLE_BUTTON ); o->shortcut( 'T' ); o->callback( cb_button, this ); o->when( FL_WHEN_CHANGED ); o->color2( fl_color_average( FL_GRAY, FL_BLUE, 0.50 ) ); o->tooltip( "When active, the next playback will be done in freewheeling mode" ); flowdown( true ); } void Transport::cb_button ( Fl_Widget *w, void *v ) { ((Transport*)v)->cb_button( w ); } void Transport::update_record_state ( void ) { Fl_Button *w = _record_button; /* handle display */ if ( w->value() ) w->labelcolor( FL_BACKGROUND_COLOR ); else w->labelcolor( FL_FOREGROUND_COLOR ); w->redraw(); /* this covers the case where the record toggle button is * pressed while the transport is already rolling. Recording * should begin or end on the next frame */ if ( rolling ) { if ( ! recording && w->value() ) { timeline->record(); recording = true; } else if ( recording ) { timeline->stop(); recording = false; } } } /** cb_button * common handler for all transport buttons */ void Transport::cb_button ( Fl_Widget *w ) { if ( w == _home_button ) locate( timeline->playback_home() ); else if ( w == _end_button ) locate( timeline->playback_end() ); else if ( w == _play_button ) toggle(); else if ( w == _record_button ) update_record_state(); else if ( w == _punch_button ) timeline->redraw(); } void Transport::toggle_record ( void ) { _record_button->value( ! _record_button->value() ); update_record_state(); } bool Transport::freewheel_enabled ( void ) const { return _freewheel_button->value(); } bool Transport::rec_enabled ( void ) const { return _record_button->value(); } bool Transport::punch_enabled ( void ) const { return _punch_button->value(); } bool Transport::loop_enabled ( void ) const { return _loop_button->value(); } void Transport::loop_enabled ( bool b ) { _loop_button->value( b ); } bool Transport::automatically_create_takes ( void ) const { return _new_take_button->value(); } void Transport::automatically_create_takes ( bool b ) { _new_take_button->value( b ); } int Transport::handle ( int m ) { /* FIXME: hack to avoid stealing focus */ if ( m == FL_FOCUS ) return 0; else return Fl_Flowpack::handle( m ); } /***********/ /* Control */ /***********/ void Transport::poll ( void ) { jack_transport_state_t ts; ts = engine->transport_query( this ); rolling = ts == JackTransportRolling; } void Transport::locate ( nframes_t frame ) { if ( ! engine ) return; if ( ! recording ) { // don't allow seeking while record is in progress engine->transport_locate( frame ); /* so there isn't a race waiting for the transport to sync */ this->frame = frame; } timeline->_created_new_takes = false; } void Transport::start ( void ) { // MESSAGE( "Starting transport" ); if ( _record_button->value() ) { rolling = true; update_record_state(); } if ( engine ) { if ( _freewheel_button->value() ) engine->freewheeling( true ); engine->transport_start(); } } void Transport::stop ( void ) { // MESSAGE( "Stopping transport" ); if ( _record_button->value() ) { if ( _stop_disables_record ) _record_button->value( 0 ); timeline->_created_new_takes = false; update_record_state(); } if ( engine ) { engine->transport_stop(); if ( _freewheel_button->value() ) { engine->freewheeling( false ); _freewheel_button->value( false ); } } } void Transport::toggle ( void ) { if ( rolling ) stop(); else start(); }