new-session-manager/Mixer/Module.C

/*******************************************************************************/
/* Copyright (C) 2009 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 "Module.H"
#include <FL/fl_draw.H>

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "Module_Parameter_Editor.H"



Module::~Module ( )
{
    for ( unsigned int i = 0; i < audio_input.size(); ++i )
        audio_input[i].disconnect();
    for ( unsigned int i = 0; i < audio_output.size(); ++i )
        audio_output[i].disconnect();
    for ( unsigned int i = 0; i < control_input.size(); ++i )
        control_input[i].disconnect();
    for ( unsigned int i = 0; i < control_output.size(); ++i )
        control_output[i].disconnect();

    audio_input.clear();
    audio_output.clear();
    control_input.clear();
    control_output.clear();
}



/* return a string serializing this module's parameter settings.  The
   format is 1.0:2.0:... Where 1.0 is the value of the first control
   input, 2.0 is the value of the second control input etc.
 */
char *
Module::describe_inputs ( void ) const
{
    char *s = new char[1024];
    s[0] = 0;
    char *sp = s;

    if ( control_input.size() )
    {
    for ( unsigned int i = 0; i < control_input.size(); ++i )
        sp += snprintf( sp, 1024 - (sp - s),"%f:", control_input[i].control_value() );

    *(sp - 1) = '\0';
    }

    return s;
}



void
Module::draw_box ( void )
{
    fl_color( FL_WHITE );

    int tw, th, tx, ty;

    tw = w();
    th = h();
    ty = y();
    tx = x();

//    bbox( tx, ty, tw, th );

    fl_push_clip( tx, ty, tw, th );

    int spacing = w() / instances();
    for ( int i = instances(); i--; )
    {
        fl_draw_box( box(), tx + (spacing * i), ty, tw / instances(), th, Fl::belowmouse() == this ? fl_lighter( color() ) : color() );
    }

    if ( audio_input.size() && audio_output.size() )
    {
        /* maybe draw control indicators */
        if ( control_input.size() )
            fl_draw_box( FL_ROUNDED_BOX, tx + 4, ty + 4, 5, 5, is_being_controlled() ? FL_YELLOW : fl_inactive( FL_YELLOW ) );
        if ( control_output.size() )
            fl_draw_box( FL_ROUNDED_BOX, tx + tw - 8, ty + 4, 5, 5, is_controlling() ? FL_YELLOW : fl_inactive( FL_YELLOW ) );
    }

    fl_pop_clip();
//    box( FL_NO_BOX );

    Fl_Group::draw_children();
}

void
Module::draw_label ( void )
{
    int tw, th, tx, ty;

    bbox( tx, ty, tw, th );

    const char *lp = label();

    int l = strlen( label() );

    fl_color( FL_FOREGROUND_COLOR );
    char *s = NULL;

    if ( l > 10 )
    {
        s = new char[l];
        char *sp = s;

        for ( ; *lp; ++lp )
            switch ( *lp )
            {
                case 'i': case 'e': case 'o': case 'u': case 'a':
                    break;
                default:
                    *(sp++) = *lp;
            }
        *sp = '\0';

    }

    if ( l > 20 )
        fl_font( FL_HELVETICA, 10 );
    else
        fl_font( FL_HELVETICA, 14 );

    fl_draw( s ? s : lp, tx, ty, tw, th, (Fl_Align)(FL_ALIGN_CENTER | FL_ALIGN_INSIDE) );


    if ( s )
        delete[] s;
}

#include "FL/test_press.H"

int
Module::handle ( int m )
{
    switch ( m )
    {
        case FL_PUSH:
        {
            if ( test_press( FL_BUTTON1 ) )
            {
                if ( _editor )
                {
                    _editor->show();
                }
                else if ( ncontrol_inputs() )
                {

                    DMESSAGE( "Opening module parameters for \"%s\"", label() );
                    _editor = new Module_Parameter_Editor( this );

                    _editor->show();

                    do { Fl::wait(); }
                    while ( _editor->shown() );

                    DMESSAGE( "Module parameters for \"%s\" closed",label() );

                    delete _editor;

                    _editor = NULL;
                }

                return 1;
            }
            break;
        }
    }

    return Fl_Group::handle( m );
}