143 lines
3.8 KiB
C++
143 lines
3.8 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include <FL/Fl_Scroll.H>
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#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 <FL/fl_draw.H>
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#include "Scalebar.H"
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/* #include "Audio_File.H" // just for nframes_t */
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typedef unsigned long nframes_t;
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#include <math.h>
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#include <assert.h>
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class Timeline;
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extern Timeline *timeline;
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#include "Track.H"
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class Tempo_Track;
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class Time_Track;
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#include <list>
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using std::list;
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// disables double-buffering to make unnecessary redrawing more apparent
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// #define DEBUG_TIMELINE_DRAWING
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#ifndef DEBUG_TIMELINE_DRAWING
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#include <Fl/Fl_Overlay_Window.H>
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#else
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#include <FL/Fl_Single_Window.H>
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#define Fl_Overlay_Window Fl_Single_Window
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#define redraw_overlay()
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#endif
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struct Rectangle
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{
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int x;
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int y;
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int w;
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int h;
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Rectangle ( ) : x( 0 ), y( 0 ), w( 0 ), h( 0 ) {}
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Rectangle ( int X, int Y, int W, int H ) : x( X ), y( Y ), w( W ), h( H ) {}
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};
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class Timeline : public Fl_Overlay_Window
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{
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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;
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int _old_yposition;
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Rectangle _selection;
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bool _enable_measure_lines;
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enum snap_flags_e {
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SNAP_TO_REGION,
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SNAP_TO_BAR,
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SNAP_TO_BEAT
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} snap_to;
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Fl_Scroll *scroll;
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Fl_Pack *tracks;
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Fl_Pack *rulers;
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Scalebar *hscroll;
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Fl_Scrollbar *vscroll;
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Tempo_Track *tempo_track;
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Time_Track *time_track;
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static void cb_scroll ( Fl_Widget *w, void *v );
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void cb_scroll ( Fl_Widget *w );
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float _fpp; /* frames per pixel */
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nframes_t _sample_rate;
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nframes_t _length;
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public:
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nframes_t xoffset;
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int _yposition;
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Timeline ( int X, int Y, int W, int H, const char *L=0 );
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float fpp ( void ) const { return _fpp; }
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nframes_t length ( void ) const { return _length; }
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nframes_t sample_rate ( void ) const { return _sample_rate; }
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int ts_to_x( nframes_t ts ) const { return ts / _fpp; }
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nframes_t x_to_ts ( int x ) const { return x * _fpp; }
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float beats_per_minute ( nframes_t when ) const;
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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 );
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void draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color );
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void xposition ( int X );
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void yposition ( int Y );
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void draw ( void );
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void draw_overlay ( void );
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int handle ( int m );
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void select( const Rectangle &r );
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};
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