non/mixer/src/Mixer.C

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/*******************************************************************************/
/* 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. */
/*******************************************************************************/
/* This is the main mixer group. It contains and manages Mixer_Strips. */
#include "const.h"
#include "Mixer.H"
#include "Mixer_Strip.H"
#include <FL/Fl_Pack.H>
#include <FL/Fl_Scroll.H>
#include <FL/Fl_Menu_Bar.H>
#include <FL/fl_ask.H>
#include <FL/Fl.H>
#include <FL/Fl_File_Chooser.H>
#include "New_Project_Dialog.H"
#include "Engine/Engine.H"
#include "FL/Fl_Flowpack.H"
#include "Project.H"
#include "FL/Fl_Menu_Settings.H"
#include "About_Dialog.H"
#include "file.h"
#include <string.h>
#include "debug.h"
#include "FL/color_scheme.H"
const double STATUS_UPDATE_FREQ = 0.2f;
extern char *user_config_dir;
#include "debug.h"
static void update_cb( void *v ) {
Fl::repeat_timeout( STATUS_UPDATE_FREQ, update_cb, v );
((Mixer*)v)->update();
}
void Mixer::cb_menu(Fl_Widget* o) {
Fl_Menu_Bar *menu = (Fl_Menu_Bar*)o;
/* const Fl_Menu_Item *mi = &menu->menu()[menu->value()]; */
char picked[256];
// const char *picked = menu->text();
menu->item_pathname( picked, sizeof( picked ) );
if (! strcmp( picked, "&Project/&New") )
{
DMESSAGE( "New project" );
const char *templates[] = { "Default", NULL };
char *default_path;
char *selected_template;
read_line( user_config_dir, "default_path", &default_path );
char *path = new_project_chooser( templates, &default_path, &selected_template );
if ( path )
{
if ( ! Project::create( path, selected_template ) )
fl_alert( "Error creating project!" );
free( path );
free( selected_template );
}
update_menu();
if ( default_path )
{
write_line( user_config_dir, "default_path", default_path );
free( default_path );
}
}
else if (! strcmp( picked, "&Project/&Open" ) )
{
char *path = NULL;
// read_line( user_config_dir, "default_path", &path );
const char *name = fl_dir_chooser( "Open Project", path, NULL );
free( path );
mixer->hide();
if ( int err = Project::open( name ) )
{
fl_alert( "Error opening project: %s", Project::errstr( err ) );
}
update_menu();
mixer->show();
}
else if (! strcmp( picked, "&Project/&Save" ) )
{
command_save();
}
else if (! strcmp( picked, "&Project/&Quit") )
{
command_quit();
}
else if ( !strcmp( picked, "&Mixer/&Add Strip" ) )
{
command_add_strip();
}
else if ( !strcmp( picked, "&Mixer/Add &N Strips" ) )
{
const char *s = fl_input( "Enter number of strips to add" );
if ( s )
{
for ( int i = atoi( s ); i > 0; i-- )
command_add_strip();
}
}
else if (! strcmp( picked, "&Mixer/&Rows/One") )
{
rows( 1 );
}
else if (! strcmp( picked, "&Mixer/&Rows/Two") )
{
rows( 2 );
}
else if (! strcmp( picked, "&Mixer/&Rows/Three") )
{
rows( 3 );
}
else if (! strcmp( picked, "&Options/&Display/&Style/&Default") )
{
Fl::scheme( "plastic" );
}
else if (! strcmp( picked, "&Options/&Display/&Style/&Flat") )
{
Fl::scheme( "gtk+" );
}
else if (! strcmp( picked, "&Options/&Display/&Colors/&System") )
{
color_scheme( "system" );
}
else if (! strcmp( picked, "&Options/&Display/&Colors/&Dark") )
{
color_scheme( "dark" );
}
else if (! strcmp( picked, "&Options/&Display/&Colors/&Very Dark") )
{
color_scheme( "very dark" );
}
else if (! strcmp( picked, "&Options/&Display/&Colors/&Light") )
{
color_scheme( "light" );
}
else if ( ! strcmp( picked, "&Help/&About" ) )
{
About_Dialog ab( PIXMAP_PATH "/non-mixer/logo.png" );
ab.run();
}
else if ( !strcmp( picked, "&Help/&Manual" ))
{
char *pat;
asprintf( &pat, "file://%s.html", DOCUMENT_PATH "/non-mixer/MANUAL" );
open_url( pat );
free( pat );
}
}
void Mixer::cb_menu(Fl_Widget* o, void* v) {
((Mixer*)(v))->cb_menu(o);
}
Mixer::Mixer ( int X, int Y, int W, int H, const char *L ) :
Fl_Group( X, Y, W, H, L )
{
get_system_colors();
Fl::scheme( "plastic" );
color_scheme( "dark" );
_rows = 1;
box( FL_NO_BOX );
labelsize( 96 );
{ Fl_Menu_Bar *o = menubar = new Fl_Menu_Bar( X, Y, W, 24 );
o->add( "&Project/&New" );
o->add( "&Project/&Open" );
o->add( "&Project/&Save", FL_CTRL + 's', 0, 0 );
o->add( "&Project/&Quit", FL_CTRL + 'q', 0, 0 );
o->add( "&Mixer/&Add Strip", 'a', 0, 0 );
o->add( "&Mixer/Add &N Strips" );
o->add( "&Mixer/&Rows/One", '1', 0, 0 );
o->add( "&Mixer/&Rows/Two", '2', 0, 0 );
o->add( "&Mixer/&Rows/Three", '3', 0, 0 );
o->add( "_&Options/&Display/&Style/&Default", 0, 0, 0, FL_MENU_RADIO | FL_MENU_VALUE );
o->add( "_&Options/&Display/&Style/&Flat", 0, 0, 0, FL_MENU_RADIO );
o->add( "_&Options/&Display/&Colors/&Dark", 0, 0, 0, FL_MENU_RADIO | FL_MENU_VALUE );
o->add( "_&Options/&Display/&Colors/&Very Dark", 0, 0, 0, FL_MENU_RADIO );
o->add( "_&Options/&Display/&Colors/&Light", 0, 0, 0, FL_MENU_RADIO );
o->add( "_&Options/&Display/&Colors/&System", 0, 0, 0, FL_MENU_RADIO );
o->add( "&Help/&Manual" );
o->add( "&Help/&About" );
o->callback( cb_menu, this );
}
{ Fl_Box *o = project_name = new Fl_Box( X + 150, Y, W, 24 );
o->labelfont( FL_HELVETICA_ITALIC );
o->label( 0 );
o->align( FL_ALIGN_INSIDE | FL_ALIGN_CENTER );
o->labeltype( FL_SHADOW_LABEL );
}
{ Fl_Scroll *o = scroll = new Fl_Scroll( X, Y + 24, W, H - 24 );
o->box( FL_NO_BOX );
// o->type( Fl_Scroll::HORIZONTAL_ALWAYS );
// o->box( Fl_Scroll::BOTH );
{
Fl_Flowpack *o = mixer_strips = new Fl_Flowpack( X, Y + 24, W, H - 18 - 24 );
label( "Non-Mixer" );
align( (Fl_Align)(FL_ALIGN_CENTER | FL_ALIGN_INSIDE) );
o->box( FL_NO_BOX );
o->type( Fl_Pack::HORIZONTAL );
o->hspacing( 2 );
o->vspacing( 2 );
o->end();
Fl_Group::current()->resizable( o );
}
o->end();
Fl_Group::current()->resizable( o );
}
end();
// Fl::add_timeout( STATUS_UPDATE_FREQ, update_cb, this );
update_menu();
load_options();
}
Mixer::~Mixer ( )
{
DMESSAGE( "Destroying mixer" );
save_options();
/* FIXME: teardown */
mixer_strips->clear();
}
void Mixer::resize ( int X, int Y, int W, int H )
{
Fl_Group::resize( X, Y, W, H );
mixer_strips->resize( X, Y + 24, W, H - 18 - 24 );
scroll->resize( X, Y + 24, W, H - 24 );
rows( _rows );
}
void Mixer::add ( Mixer_Strip *ms )
{
MESSAGE( "Add mixer strip \"%s\"", ms->name() );
mixer_strips->add( ms );
ms->take_focus();
rows( _rows );
scroll->redraw();
}
void
Mixer::quit ( void )
{
/* TODO: save project? */
while ( Fl::first_window() ) Fl::first_window()->hide();
}
void
Mixer::insert ( Mixer_Strip *ms, Mixer_Strip *before )
{
mixer_strips->remove( ms );
mixer_strips->insert( *ms, before );
scroll->redraw();
}
void
Mixer::insert ( Mixer_Strip *ms, int i )
{
Mixer_Strip *before = (Mixer_Strip*)mixer_strips->child( i );
insert( ms, before);
}
void
Mixer::move_left ( Mixer_Strip *ms )
{
int i = mixer_strips->find( ms );
if ( i > 0 )
insert( ms, i - 1 );
}
void
Mixer::move_right ( Mixer_Strip *ms )
{
int i = mixer_strips->find( ms );
if ( i < mixer_strips->children() - 1 )
insert( ms, i + 2 );
}
void Mixer::remove ( Mixer_Strip *ms )
{
MESSAGE( "Remove mixer strip \"%s\"", ms->name() );
mixer_strips->remove( ms );
parent()->redraw();
}
bool
Mixer::contains ( Mixer_Strip *ms )
{
return ms->parent() == mixer_strips;
}
void
Mixer::rows ( int n )
{
int sh;
if ( n > 1 )
{
sh = (scroll->h() / n) - (mixer_strips->vspacing() * (n - 1));
mixer_strips->flow( true );
}
else
{
sh = (scroll->h() - 18) / n;
mixer_strips->flow( false );
}
if ( sh < Mixer_Strip::min_h() )
{
rows( ( scroll->h() - 18 ) / Mixer_Strip::min_h() );
return;
}
int tw = 0;
for ( int i = 0; i < mixer_strips->children(); ++i )
{
Mixer_Strip *t = (Mixer_Strip*)mixer_strips->child( i );
t->size( t->w(), sh );
tw += t->w() + mixer_strips->hspacing();
}
if ( n > 1 )
mixer_strips->size( scroll->w() - 18, mixer_strips->h() );
else
mixer_strips->size( tw, mixer_strips->h() );
_rows = n;
scroll->redraw();
}
void Mixer::update ( void )
{
THREAD_ASSERT( UI );
for ( int i = mixer_strips->children(); i--; )
{
((Mixer_Strip*)mixer_strips->child( i ))->update();
}
// redraw();
}
/** retrun a pointer to the track named /name/, or NULL if no track is named /name/ */
Mixer_Strip *
Mixer::track_by_name ( const char *name )
{
for ( int i = mixer_strips->children(); i-- ; )
{
Mixer_Strip *t = (Mixer_Strip*)mixer_strips->child( i );
if ( ! strcmp( name, t->name() ) )
return t;
}
return NULL;
}
/** return a malloc'd string representing a unique name for a new track */
char *
Mixer::get_unique_track_name ( const char *name )
{
char pat[256];
strcpy( pat, name );
for ( int i = 1; track_by_name( pat ); ++i )
snprintf( pat, sizeof( pat ), "%s.%d", name, i );
return strdup( pat );
}
void
Mixer::snapshot ( void )
{
for ( int i = 0; i < mixer_strips->children(); ++i )
((Mixer_Strip*)mixer_strips->child( i ))->log_children();
}
void
Mixer::new_strip ( void )
{
add( new Mixer_Strip( get_unique_track_name( "Unnamed" ) ) );
}
bool
Mixer::save ( void )
{
MESSAGE( "Saving state" );
Loggable::snapshot_callback( &Mixer::snapshot, this );
Loggable::snapshot( "snapshot" );
return true;
}
static const char options_filename[] = "options";
void
Mixer::load_options ( void )
{
// save options
char *path;
asprintf( &path, "%s/options", user_config_dir );
((Fl_Menu_Settings*)menubar)->load( menubar->find_item( "&Options" ), path );
free( path );
}
void
Mixer::save_options ( void )
{
char *path;
asprintf( &path, "%s/%s", user_config_dir, options_filename );
((Fl_Menu_Settings*)menubar)->dump( menubar->find_item( "&Options" ), path );
free( path );
}
void
Mixer::update_menu ( void )
{
bool b = Project::open();
if ( b )
{
((Fl_Menu_Item*)menubar->find_item( "&Mixer" ))->flags &= ~FL_MENU_INACTIVE;
((Fl_Menu_Item*)menubar->find_item( "&Project/&Save" ))->flags &= ~FL_MENU_INACTIVE;
mixer_strips->activate();
}
else
{
((Fl_Menu_Item*)menubar->find_item( "&Mixer" ))->flags |= FL_MENU_INACTIVE;
((Fl_Menu_Item*)menubar->find_item( "&Project/&Save" ))->flags |= FL_MENU_INACTIVE;
mixer_strips->deactivate();
}
project_name->label( Project::name() );
}
int
Mixer::handle ( int m )
{
if ( Fl_Group::handle( m ) )
return 1;
switch ( m )
{
case FL_ENTER:
case FL_LEAVE:
return 1;
}
return 0;
}
/************/
/* Commands */
/************/
bool
Mixer::command_save ( void )
{
return Project::save();
}
bool
Mixer::command_load ( const char *path, const char *display_name )
{
if ( int err = Project::open( path ) )
{
// fl_alert( "Error opening project specified on commandline: %s", Project::errstr( err ) );
return false;
}
if ( display_name )
Project::name( display_name );
update_menu();
return true;
}
bool
Mixer::command_new ( const char *path, const char *display_name )
{
if ( ! Project::create( path, "" ) )
return false;
if ( display_name )
Project::name( display_name );
update_menu();
return true;
// fl_alert( "Error creating project!" );
}
void
Mixer::command_quit ( void )
{
if ( Loggable::dirty() )
{
int i = fl_choice( "There have been changes since the last save. Quitting now will discard them", "Discard", "Cancel", NULL );
if ( i != 0 )
return;
}
quit();
}
/* */
void
Mixer::command_add_strip ( void )
{
new_strip();
}