208 lines
5.5 KiB
C++
208 lines
5.5 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 "Scalebar.H"
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#include "Audio_File.H" // just for nframes_t
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#include <math.h>
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#include <assert.h>
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#include <FL/fl_draw.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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// #include "Tempo_Track.H"
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class Tempo_Track;
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class Time_Track;
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// #include "Tempo_Point.H"
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// #include "Region.H"
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#include <list>
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using std::list;
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struct Timeline : public Fl_Group
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{
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int _old_position;
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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 *scrollbar;
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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;
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nframes_t length;
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int _beats_per_bar;
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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
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ts_to_x( nframes_t ts )
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{
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// assert( ts / fpp > 0 );
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return ts / fpp;
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}
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nframes_t
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x_to_ts ( int x )
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{
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return x * fpp;
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}
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float beats_per_minute ( nframes_t when ) const;
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void beats_per_minute ( nframes_t when, float bpm );
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void draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color );
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/** set scroll position */
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void
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position ( int X )
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{
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_old_position = xoffset;
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xoffset = x_to_ts( X );
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damage( FL_DAMAGE_SCROLL );
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/* rulers->damage( FL_DAMAGE_SCROLL ); */
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/* tracks->damage( FL_DAMAGE_SCROLL ); */
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}
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#define FOR_CHILDREN_OF( name, ind ) \
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for ( int i = (name) ->children(); i-- && ( (ind) = (name) ->child( i ) ); )
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static void
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draw_clip ( void * v, int X, int Y, int W, int H )
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{
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Timeline *tl = (Timeline *)v;
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fl_push_clip( X, Y, W, H );
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fl_color( rand() );
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fl_rectf( X, Y, X + W, Y + H );
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// tl->tracks->redraw();
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tl->draw_child( *tl->rulers );
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tl->draw_child( *tl->tracks );
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// tl->tracks->draw();
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// tl->rulers->draw();
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/* FOR_CHILDREN_OF( tracks, o ) */
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/* { */
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/* tracks->draw_child( *o ); */
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/* tracks->draw_outside_label( *o ); */
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/* } */
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/* FOR_CHILDREN_OF( rulers, o ) */
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/* { */
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/* tracks->draw_child( o ); */
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/* tracks->draw_outside_label( o ); */
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/* } */
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fl_pop_clip();
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}
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void
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draw ( void )
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{
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int X, Y, W, H;
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X = tracks->x() + Fl::box_dx( tracks->child( 0 )->box() ) + 1;
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Y = tracks->y();
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W = tracks->w() - Fl::box_dw( tracks->child( 0 )->box() ) - 2;
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H = tracks->h();
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/* fl_color( FL_RED ); */
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/* fl_rect( X, Y, X + W, Y + H ); */
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if ( damage() & FL_DAMAGE_ALL )
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{
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Fl_Group::draw();
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/* draw_clip( this, X, tracks->y(), W, tracks->h() ); */
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/* draw_clip( this, X, rulers->y(), W, rulers->h() ); */
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return;
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}
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if ( damage() & FL_DAMAGE_SCROLL )
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{
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// printf( "doing scroll\n" );
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int dx = ts_to_x( _old_position ) - ts_to_x( xoffset );
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fl_scroll( X, tracks->y(), W, tracks->h(), dx, 0, draw_clip, this );
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fl_scroll( X, rulers->y(), W, rulers->h(), dx, 0, draw_clip, this );
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_old_position = 0;
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}
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if ( damage() & FL_DAMAGE_CHILD )
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{
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Fl_Widget *o;
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FOR_CHILDREN_OF( this, o )
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this->update_child( *o );
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/* FOR_CHILDREN_OF( tracks, o ) */
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/* tracks->update_child( o ); */
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/* FOR_CHILDREN_OF( rulers, o ) */
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/* rulers->update_child( o ); */
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// fl_pop_clip()
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}
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}
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};
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