non/Timeline.H

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/*******************************************************************************/
/* 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. */
/*******************************************************************************/
#pragma once
#include <FL/Fl_Scroll.H>
#include <FL/Fl_Pack.H>
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#include <FL/Fl_Scrollbar.H>
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#include <FL/Fl_Widget.H>
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#include "Scalebar.H"
#include "Audio_File.H" // just for nframes_t
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#include <math.h>
#include <assert.h>
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#include <FL/fl_draw.H>
class Timeline;
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extern Timeline *timeline;
#include "Track.H"
// #include "Tempo_Track.H"
class Tempo_Track;
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class Time_Track;
// #include "Tempo_Point.H"
// #include "Region.H"
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#include <list>
using std::list;
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struct Timeline : public Fl_Group
{
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static void draw_clip ( void * v, int X, int Y, int W, int H );
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int _old_xposition;
int _old_yposition;
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enum snap_flags_e {
SNAP_TO_REGION,
SNAP_TO_BAR,
SNAP_TO_BEAT
} snap_to;
Fl_Scroll *scroll;
Fl_Pack *tracks;
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Fl_Pack *rulers;
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Scalebar *hscroll;
Fl_Scrollbar *vscroll;
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Tempo_Track *tempo_track;
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Time_Track *time_track;
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float fpp; /* frames per pixel */
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// nframes_t fpp;
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nframes_t sample_rate;
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nframes_t xoffset;
nframes_t length;
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int yposition;
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int _beats_per_bar;
float _beats_per_minute;
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Timeline ( int X, int Y, int W, int H, const char *L=0 );
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int
ts_to_x( nframes_t ts )
{
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// assert( ts / fpp > 0 );
return ts / fpp;
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}
nframes_t
x_to_ts ( int x )
{
return x * fpp;
}
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/* #define FOR_CHILDREN_OF( name, ind ) \ */
/* for ( int i = (name) ->children(); i-- && ( (ind) = (name) ->child( i ) ); ) */
float beats_per_minute ( nframes_t when ) const;
int beats_per_bar ( nframes_t when ) const;
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void beats_per_minute ( nframes_t when, float bpm );
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int nearest_line ( int ix );
void draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color );
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void position ( int X );
void draw ( void );
int handle ( int m );
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};