235 lines
6.8 KiB
C++
235 lines
6.8 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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/* FIXME: this class needs a lot of cleaning up. Too many public
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* members etc. */
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/* #include "Audio_File.H" // just for nframes_t */
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#include "types.h"
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#include <math.h>
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#include <assert.h>
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#include <list>
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class Fl_Scroll;
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class Fl_Pack;
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class Fl_Scrollbar;
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class Fl_Widget;
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class Fl_Menu_Button;
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class Fl_Menu_;
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class Timeline;
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extern Timeline *timeline;
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struct BBT;
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class Tempo_Sequence;
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class Time_Sequence;
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class Annotation_Sequence;
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class Track;
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class Scalebar;
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class Sequence;
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class Sequence_Widget;
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#ifndef USE_SINGLEBUFFERED_TIMELINE
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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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#endif
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struct position_info;
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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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#include "RWLock.H"
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#ifdef USE_WIDGET_FOR_TIMELINE
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class Timeline : public Fl_Group, public RWLock
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#else
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#ifndef USE_SINGLEBUFFERED_TIMELINE
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class Timeline : public Fl_Overlay_Window, public RWLock
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#else
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class Timeline : public Fl_Single_Window, public RWLock
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#endif
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#endif
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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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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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void adjust_vscroll ( void );
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void adjust_hscroll ( void );
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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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static void menu_cb ( Fl_Widget *w, void *v );
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void menu_cb ( Fl_Menu_ *m );
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void fix_range ( void );
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int _fpp; /* frames per pixel, power of two */
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nframes_t p1, p2; /* cursors */
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/* not permitted */
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Timeline ( const Timeline &rhs );
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Timeline & operator = ( const Timeline &rhs );
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std::list <const Sequence_Widget*> _tempomap;
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public:
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enum snap_e {
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Bars,
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Beats,
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None
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};
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static bool draw_with_measure_lines;
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static snap_e snap_to;
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static bool snapping_on_hold;
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static bool snap_magnetic;
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static bool follow_playhead;
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static bool center_playhead;
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Tempo_Sequence *tempo_track;
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Time_Sequence *time_track;
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Annotation_Sequence *ruler_track;
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Fl_Menu_Button *menu;
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nframes_t xoffset;
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int _yposition;
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nframes_t _sample_rate;
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Timeline ( int X, int Y, int W, int H, const char *L=0 );
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void update_tempomap ( void );
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const char *session_manager_name ( void ) { return NULL; }
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nframes_t fpp ( void ) const { return 1 << _fpp; }
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void range ( nframes_t start, nframes_t length );
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nframes_t length ( void ) const;
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void sample_rate ( nframes_t r ) { _sample_rate = r; }
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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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nframes_t x_to_offset ( int x ) const;
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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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void time ( nframes_t when, int bpb, int beat_type );
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bool nearest_line ( nframes_t *f, bool snap=true ) const;
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bool next_line ( nframes_t *f, bool bar=false ) const;
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bool prev_line ( nframes_t *f, bool bar=false ) const;
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typedef void (measure_line_callback)( nframes_t frame, const BBT & bbt, void *arg );
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position_info solve_tempomap ( nframes_t when ) const;
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void draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color );
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void draw_measure_BBT ( int X, int Y, int W, int H, Fl_Color color );
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position_info render_tempomap ( nframes_t start, nframes_t length, measure_line_callback *cb, void *arg ) const;
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void xposition ( int X );
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void yposition ( int Y );
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void draw_cursor ( nframes_t frame, Fl_Color color, void (*symbol)(Fl_Color) ) const;
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void draw_cursors ( void ) const;
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void draw_playhead ( void );
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void redraw_playhead ( void );
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void resize ( int X, int Y, int W, int H );
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void draw ( void );
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void draw_overlay ( void );
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int handle_scroll ( int m );
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int handle ( int m );
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static void update_cb ( void *arg );
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void select( const Rectangle &r );
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Track * track_under ( int Y );
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int nselected ( void ) const;
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void delete_selected ( void );
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void select_none ( void );
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void add_track ( Track *track );
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void remove_track ( Track *track );
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int ntracks ( void ) const;
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void zoom ( float secs );
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void zoom_in ( void );
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void zoom_out ( void );
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void zoom_fit ( void );
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/* Engine */
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int total_input_buffer_percent ( void );
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int total_output_buffer_percent ( void );
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int total_playback_xruns ( void );
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int total_capture_xruns ( void );
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nframes_t total_output_latency ( void ) const;
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bool record ( void );
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void stop ( void );
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void wait_for_buffers ( void );
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bool seek_pending ( void );
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private:
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static void snapshot ( void *v ) { ((Timeline*)v)->snapshot(); }
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void snapshot ( void );
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friend class Engine; // FIXME: only Engine::process() needs to be friended.x
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Track * track_by_name ( const char *name );
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char * get_unique_track_name ( const char *name );
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/* Engine */
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void resize_buffers ( nframes_t nframes );
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nframes_t process ( nframes_t nframes );
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void seek ( nframes_t frame );
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};
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