Replace scrollbar with scalebar and ditch zoom slider.
Jonathan Moore Liles
parent
71a4692f2d
commit
ef305848c9
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@ -0,0 +1,70 @@
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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.H>
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#include <FL/Fl_Scrollbar.H>
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#include <FL/Fl_Slider.H>
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#include <stdio.h>
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class Scalebar : public Fl_Scrollbar
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{
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double _zoom;
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public:
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Scalebar ( int X, int Y, int W, int H ) : Fl_Scrollbar ( X, Y, W, H )
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{
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_zoom = 1.0f;
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step( 1 );
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}
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double zoom ( void ) const { return _zoom; }
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double value ( void ) const { return Fl_Slider::value(); }
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int
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handle ( int m )
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{
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switch ( m )
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{
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case FL_MOUSEWHEEL:
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{
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int d = Fl::event_dy();
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if ( d < 0 )
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while ( d++ )
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_zoom /= 2;
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else
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while ( d-- )
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_zoom *= 2;
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do_callback();
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slider_size( w() / maximum() );
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return 1;
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}
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default:
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return Fl_Scrollbar::handle( m );
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}
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}
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};
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@ -76,6 +76,8 @@ struct Timeline {
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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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54
main.C
54
main.C
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@ -22,11 +22,14 @@
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Double_Window.H>
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#include <FL/Fl_Scroll.H>
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#include <FL/Fl_Scrollbar.H>
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// #include <FL/Fl_Scrollbar.H>
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#include <FL/Fl_Pack.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl_Slider.H>
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#include "Scalebar.H"
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// #include "Waveform.H"
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#include "Region.H"
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@ -45,34 +48,22 @@
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Timeline timeline;
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void
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cb_zoom ( Fl_Widget *w, void *v )
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{
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timeline.fpp = ((Fl_Slider*)w)->value();
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/* for ( int i = timeline.tracks->children(); i-- ; ) */
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/* { */
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/* Fl_Group *track = (Fl_Group*)timeline.tracks->child( i ); */
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/* for ( int j = track->children(); j-- ; ) */
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/* ((Region*)(track->child( j )))->resize(); */
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/* } */
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timeline.scroll->redraw();
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if ( timeline.fpp < FRAMES_PER_PEAK )
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w->selection_color( FL_RED );
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else
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w->selection_color( FL_GRAY );
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printf( "%f\n", timeline.fpp );
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}
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void
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cb_scroll ( Fl_Widget *w, void *v )
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{
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timeline.xoffset = timeline.x_to_ts( ((Fl_Slider*)w)->value() );
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Scalebar *sb = (Scalebar*)w;
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timeline.fpp = sb->zoom() * 256;
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timeline.fpp = max( min( timeline.fpp, 4096.0f ), (float)2 );
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int maxx = timeline.ts_to_x( timeline.length );
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sb->range( 0, maxx );
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// sb->value( sb->value(), maxx
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// sb->slider_size( sb->w() / maxx );
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// ((Fl_Scrollbar*)sb)->value( sb->value(), 60, 10, maxx );
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timeline.xoffset = timeline.x_to_ts( sb->value() );
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// timeline.tracks->redraw();
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timeline.scroll->redraw();
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@ -101,10 +92,11 @@ main ( int argc, char **argv )
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Fl_Double_Window *main_window = new Fl_Double_Window( 0, 0, 800, 600 );
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timeline.scroll = new Fl_Scroll( 0, 24, 800, 600 - (24 * 2) );
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timeline.scroll = new Fl_Scroll( 0, 0, 800, 600 - 24 );
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timeline.scroll->type( Fl_Scroll::VERTICAL );
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timeline.fpp = 256;
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timeline._beats_per_minute = 120;
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timeline.length = 48000 * 60 * 2;
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timeline.beats_per_minute( 0, 120 );
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@ -181,17 +173,9 @@ main ( int argc, char **argv )
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timeline.tracks->end();
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timeline.scroll->end();
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Fl_Slider *zoom_slider = new Fl_Slider( 0, 0, 800, 24 );
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zoom_slider->type( FL_HOR_SLIDER );
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zoom_slider->callback( cb_zoom, 0 );
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zoom_slider->range( 2, 4096 );
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zoom_slider->step( 1 );
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zoom_slider->value( 256 );
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timeline.scrollbar = new Fl_Scrollbar( 0, 600 - 24, 800, 24 );
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timeline.scrollbar = new Scalebar( 0, 600 - 24, 800, 24 );
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timeline.scrollbar->range( 0, 48000 * 2 );
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timeline.scrollbar->type( 1 );
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timeline.scrollbar->step( 1 );
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timeline.scrollbar->callback( cb_scroll, 0 );
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main_window->end();
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