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Split some track widget classes into seperate headers.

This commit is contained in:
Jonathan Moore Liles 2008-02-21 04:01:25 -06:00
parent 5118c79c2f
commit 44904bc640
7 changed files with 370 additions and 299 deletions
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292
Region.H
View File

@ -33,297 +33,7 @@ using namespace std;
* dimensions of real FLTK widgets are limited to 16-bits, which is
* far too little for our purposes */
/* Base class for virtual widget on a track */
class Track_Widget
{
protected:
Track *_track; /* track this region belongs to */
nframes_t _offset; /* where on the timeline */
nframes_t _start; /* first sample from clip */
nframes_t _end; /* last sample from clip */
bool _selected;
Fl_Color _color; /* color of waveform */
Fl_Color _box_color; /* color of background (box) */
public:
Track_Widget ( )
{
_track = NULL;
_offset = _start = _end = 0;
_selected = false;
}
Fl_Group * parent ( void ) const { return _track; }
int scroll_x ( void ) const { return timeline.ts_to_x( timeline.xoffset ); }
nframes_t scroll_ts ( void ) const { return timeline.xoffset; }
int y ( void ) const { return _track->y(); }
int h ( void ) const { return _track->h(); }
int x ( void ) const { return _offset < timeline.xoffset ? -1 : min( 32767, _track->x() + timeline.ts_to_x( _offset - timeline.xoffset ) ); }
virtual int w ( void ) const
{
int tx = timeline.ts_to_x( _offset );
int rw;
if ( tx < scroll_x() )
rw = abs_w() - (scroll_x() - tx);
else
rw = abs_w();
return min( rw, _track->w() );
}
int abs_x ( void ) const { return timeline.ts_to_x( timeline.xoffset ); }
virtual int abs_w ( void ) const { return timeline.ts_to_x( _end - _start ); }
Fl_Color color ( void ) { return _color; }
Fl_Color box_color ( void ) { return _box_color; }
Track * track ( void ) const { return _track; }
void track ( Track *t ) { _track = t; }
nframes_t offset ( void ) const { return _offset; }
void offset ( nframes_t o ) { _offset = o; }
void end ( nframes_t v ) { _end = v; }
nframes_t end ( void ) const { return _end; }
void start ( nframes_t v ) { _start = v; }
nframes_t start ( void ) const { return _start; }
virtual nframes_t length ( void ) const { return _end - _start; }
virtual Fl_Boxtype box ( void ) const { return FL_UP_BOX; }
/* just draw a simple box */
virtual void
draw_box ( int X, int Y, int W, int H )
{
fl_draw_box( box(), x(), y(), w(), y(), _box_color );
}
virtual void
draw ( int X, int Y, int W, int H )
{
draw_box( X, Y, W, H );
}
virtual void
draw_label ( const char *label, Fl_Align align )
{
int X, Y;
X = x();
Y = y();
/* FIXME: why do we have to to this here? why doesn't Fl_Lable::draw take care of this stuff? */
if ( ! (align & FL_ALIGN_INSIDE) )
{
if ( align & FL_ALIGN_RIGHT )
{
X += w();
align = (Fl_Align)((align & ~FL_ALIGN_RIGHT) | FL_ALIGN_LEFT);
}
if ( align & FL_ALIGN_BOTTOM )
{
Y += h();
align = (Fl_Align)((align & ~FL_ALIGN_BOTTOM) | FL_ALIGN_TOP);
}
}
/* fl_font( FL_HELVETICA, 14 ); */
/* fl_color( FL_BLACK ); */
/* fl_draw( label, X + 2, Y + 2, w(), h(), align ); */
/* fl_color( FL_WHITE ); */
/* fl_draw( label, X, Y, w(), h(), align ); */
/* for some reasone FL_SHADOW_LABLE doesn't always use
* black for the shadow color...so we can't rely on it. */
Fl_Label lab;
lab.color = FL_WHITE;
lab.type = FL_SHADOW_LABEL;
lab.value = label;
lab.font = FL_HELVETICA;
lab.size = 14;
int W = w();
int H = h();
if ( align & FL_ALIGN_INSIDE )
{
X += Fl::box_dx( box() );
Y += Fl::box_dy( box() );
W -= Fl::box_dw( box() );
H -= Fl::box_dh( box() );
}
if ( align & FL_ALIGN_CLIP ) fl_push_clip( X, Y, W, H );
int dx = 0;
int tx = timeline.ts_to_x( _offset );
if ( tx < scroll_x() )
dx = min( 32767, scroll_x() - tx );
lab.draw( X - dx, Y, W, H, align );
if ( align & FL_ALIGN_CLIP ) fl_pop_clip();
}
/* base hanlde just does basic dragging */
virtual int
handle ( int m )
{
static int ox, oy;
int X = Fl::event_x();
int Y = Fl::event_y();
switch ( m )
{
case FL_PUSH:
{
ox = x() - X;
oy = y() - Y;
if ( Fl::event_state() & FL_CTRL &&
Fl::event_button() == 3 )
{
_track->queue_delete( this );
return 0;
}
return 1;
}
case FL_RELEASE:
fl_cursor( FL_CURSOR_DEFAULT );
return 1;
case FL_DRAG:
{
if ( ox + X >= _track->x() )
{
int nx = ox + X;
_offset = timeline.x_to_ts( nx ) + timeline.xoffset;
_track->snap( this );
}
_track->redraw();
fl_cursor( FL_CURSOR_MOVE );
if ( X >= _track->x() + _track->w() ||
X <= _track->x() )
{
/* this drag needs to scroll */
nframes_t pos = timeline.xoffset;
nframes_t d = timeline.x_to_ts( 100 );
if ( X <= _track->x() )
{
if ( pos > d )
pos -= d;
else
pos = 0;
}
else
pos += d;
timeline.xoffset = pos;
timeline.tracks->redraw();
}
return 1;
}
default:
return 0;
}
}
bool
operator< ( const Track_Widget & rhs )
{
return _offset < rhs._offset;
}
};
class Track_Point : public Track_Widget
{
protected:
char *_label;
public:
int abs_w ( void ) const { return 10; }
nframes_t length ( void ) const { return timeline.x_to_ts( abs_w() ); }
Track_Point ( )
{
_label = NULL;
}
void
draw ( int X, int Y, int W, int H )
{
Track_Widget::draw( x(), Y, w(), H );
draw_label( _label, FL_ALIGN_RIGHT );
}
};
class Tempo_Point : public Track_Point
{
float _tempo;
void
_make_label ( void )
{
if ( ! _label )
_label = new char[40];
snprintf( _label, 40, "%.1f", _tempo );
}
public:
Tempo_Point ( nframes_t when, float bpm )
{
_tempo = bpm;
_offset = when;
_make_label();
}
~Tempo_Point ( )
{ if ( _label ) delete[] _label; }
};
#include "Track_Widget.H"
class Region : public Track_Widget
{

49
Tempo_Point.H Normal file
View File

@ -0,0 +1,49 @@
/*******************************************************************************/
/* 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 "Track_Point.H"
class Tempo_Point : public Track_Point
{
float _tempo;
void
_make_label ( void )
{
if ( ! _label )
_label = new char[40];
snprintf( _label, 40, "%.1f", _tempo );
}
public:
Tempo_Point ( nframes_t when, float bpm )
{
_tempo = bpm;
_offset = when;
_make_label();
}
~Tempo_Point ( )
{ if ( _label ) delete[] _label; }
};

18
Timeline.H
View File

@ -30,6 +30,13 @@
#include <FL/fl_draw.H>
class Timeline;
extern Timeline timeline;
#include "Track.H"
// #include "Tempo_Point.H"
// #include "Region.H"
#include <list>
using std::list;
@ -69,6 +76,8 @@ struct Timeline {
Fl_Pack *tracks;
Fl_Scrollbar *scrollbar;
Track *tempo_track;
float fpp; /* frames per pixel */
// nframes_t fpp;
@ -119,12 +128,7 @@ struct Timeline {
void
beats_per_minute ( nframes_t when, float bpm )
{
tempo_event t;
t.timestamp = when;
t.beats_per_minute = bpm;
tempo_points.push_back( t );
// tempo_track->add( new Tempo_Point( when, bpm ) );
}
/* /\* return the offset of the closest measure line to /t/ *\/ */
@ -159,5 +163,3 @@ struct Timeline {
fl_line_style( FL_SOLID, 0 );
}
};
extern Timeline timeline;

2
Track.H
View File

@ -69,6 +69,8 @@ public:
void remove ( Track_Widget *r );
void add ( Track_Widget *r );
const list <Track_Widget *> widgets ( void ) const { return _widgets; }
void queue_delete ( Track_Widget *r )
{
assert( ! _queued_widget );

48
Track_Point.H Normal file
View File

@ -0,0 +1,48 @@
/*******************************************************************************/
/* 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 "Track_Widget.H"
class Track_Point : public Track_Widget
{
protected:
char *_label;
public:
int abs_w ( void ) const { return 10; }
nframes_t length ( void ) const { return timeline.x_to_ts( abs_w() ); }
Track_Point ( )
{
_label = NULL;
}
void
draw ( int X, int Y, int W, int H )
{
Track_Widget::draw( x(), Y, w(), H );
draw_label( _label, FL_ALIGN_RIGHT );
}
};

259
Track_Widget.H Normal file
View File

@ -0,0 +1,259 @@
/*******************************************************************************/
/* 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 "Track.H"
/* Base class for virtual widget on a track */
class Track_Widget
{
protected:
Track *_track; /* track this region belongs to */
nframes_t _offset; /* where on the timeline */
nframes_t _start; /* first sample from clip */
nframes_t _end; /* last sample from clip */
bool _selected;
Fl_Color _color; /* color of waveform */
Fl_Color _box_color; /* color of background (box) */
public:
Track_Widget ( )
{
_track = NULL;
_offset = _start = _end = 0;
_selected = false;
}
Fl_Group * parent ( void ) const { return _track; }
int scroll_x ( void ) const { return timeline.ts_to_x( timeline.xoffset ); }
nframes_t scroll_ts ( void ) const { return timeline.xoffset; }
int y ( void ) const { return _track->y(); }
int h ( void ) const { return _track->h(); }
int x ( void ) const { return _offset < timeline.xoffset ? -1 : min( 32767, _track->x() + timeline.ts_to_x( _offset - timeline.xoffset ) ); }
virtual int w ( void ) const
{
int tx = timeline.ts_to_x( _offset );
int rw;
if ( tx < scroll_x() )
rw = abs_w() - (scroll_x() - tx);
else
rw = abs_w();
return min( rw, _track->w() );
}
int abs_x ( void ) const { return timeline.ts_to_x( timeline.xoffset ); }
virtual int abs_w ( void ) const { return timeline.ts_to_x( _end - _start ); }
Fl_Color color ( void ) { return _color; }
Fl_Color box_color ( void ) { return _box_color; }
Track * track ( void ) const { return _track; }
void track ( Track *t ) { _track = t; }
nframes_t offset ( void ) const { return _offset; }
void offset ( nframes_t o ) { _offset = o; }
void end ( nframes_t v ) { _end = v; }
nframes_t end ( void ) const { return _end; }
void start ( nframes_t v ) { _start = v; }
nframes_t start ( void ) const { return _start; }
virtual nframes_t length ( void ) const { return _end - _start; }
virtual Fl_Boxtype box ( void ) const { return FL_UP_BOX; }
/* just draw a simple box */
virtual void
draw_box ( int X, int Y, int W, int H )
{
fl_draw_box( box(), x(), y(), w(), y(), _box_color );
}
virtual void
draw ( int X, int Y, int W, int H )
{
draw_box( X, Y, W, H );
}
virtual void
draw_label ( const char *label, Fl_Align align )
{
int X, Y;
X = x();
Y = y();
/* FIXME: why do we have to to this here? why doesn't Fl_Lable::draw take care of this stuff? */
if ( ! (align & FL_ALIGN_INSIDE) )
{
if ( align & FL_ALIGN_RIGHT )
{
X += w();
align = (Fl_Align)((align & ~FL_ALIGN_RIGHT) | FL_ALIGN_LEFT);
}
if ( align & FL_ALIGN_BOTTOM )
{
Y += h();
align = (Fl_Align)((align & ~FL_ALIGN_BOTTOM) | FL_ALIGN_TOP);
}
}
/* fl_font( FL_HELVETICA, 14 ); */
/* fl_color( FL_BLACK ); */
/* fl_draw( label, X + 2, Y + 2, w(), h(), align ); */
/* fl_color( FL_WHITE ); */
/* fl_draw( label, X, Y, w(), h(), align ); */
/* for some reasone FL_SHADOW_LABLE doesn't always use
* black for the shadow color...so we can't rely on it. */
Fl_Label lab;
lab.color = FL_WHITE;
lab.type = FL_SHADOW_LABEL;
lab.value = label;
lab.font = FL_HELVETICA;
lab.size = 14;
int W = w();
int H = h();
if ( align & FL_ALIGN_INSIDE )
{
X += Fl::box_dx( box() );
Y += Fl::box_dy( box() );
W -= Fl::box_dw( box() );
H -= Fl::box_dh( box() );
}
if ( align & FL_ALIGN_CLIP ) fl_push_clip( X, Y, W, H );
int dx = 0;
int tx = timeline.ts_to_x( _offset );
if ( tx < scroll_x() )
dx = min( 32767, scroll_x() - tx );
lab.draw( X - dx, Y, W, H, align );
if ( align & FL_ALIGN_CLIP ) fl_pop_clip();
}
/* base hanlde just does basic dragging */
virtual int
handle ( int m )
{
static int ox, oy;
int X = Fl::event_x();
int Y = Fl::event_y();
switch ( m )
{
case FL_PUSH:
{
ox = x() - X;
oy = y() - Y;
if ( Fl::event_state() & FL_CTRL &&
Fl::event_button() == 3 )
{
_track->queue_delete( this );
return 0;
}
return 1;
}
case FL_RELEASE:
fl_cursor( FL_CURSOR_DEFAULT );
return 1;
case FL_DRAG:
{
if ( ox + X >= _track->x() )
{
int nx = ox + X;
_offset = timeline.x_to_ts( nx ) + timeline.xoffset;
_track->snap( this );
}
_track->redraw();
fl_cursor( FL_CURSOR_MOVE );
if ( X >= _track->x() + _track->w() ||
X <= _track->x() )
{
/* this drag needs to scroll */
nframes_t pos = timeline.xoffset;
nframes_t d = timeline.x_to_ts( 100 );
if ( X <= _track->x() )
{
if ( pos > d )
pos -= d;
else
pos = 0;
}
else
pos += d;
timeline.xoffset = pos;
timeline.tracks->redraw();
}
return 1;
}
default:
return 0;
}
}
bool
operator< ( const Track_Widget & rhs )
{
return _offset < rhs._offset;
}
};

1
main.C
View File

@ -42,6 +42,7 @@
#include "Track.H"
#include "Audio_Track.H"
#include "Timeline.H"
#include "Tempo_Point.H"
#include "const.h"