293 lines
8.9 KiB
C++
293 lines
8.9 KiB
C++
|
|
/*******************************************************************************/
|
|
/* 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"
|
|
#include "Loggable.H"
|
|
|
|
#include <algorithm>
|
|
using namespace std;
|
|
|
|
/* Base class for virtual widget on a track */
|
|
class Track_Widget : public Loggable
|
|
{
|
|
|
|
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( _offset ); }
|
|
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; }
|
|
virtual Fl_Align align ( void ) const { return (Fl_Align)0; }
|
|
|
|
virtual void
|
|
redraw ( void )
|
|
{
|
|
if ( ! (align() & FL_ALIGN_INSIDE) )
|
|
{
|
|
// FIXME: to better..
|
|
_track->redraw();
|
|
}
|
|
else
|
|
_track->damage( FL_DAMAGE_EXPOSE, x(), y(), w(), h() );
|
|
}
|
|
|
|
/* just draw a simple box */
|
|
virtual void
|
|
draw_box ( int X, int Y, int W, int H )
|
|
{
|
|
fl_draw_box( box(), x(), y(), w(), h(), _box_color );
|
|
}
|
|
|
|
virtual void
|
|
draw ( int X, int Y, int W, int H )
|
|
{
|
|
draw_box( X, Y, W, H );
|
|
}
|
|
|
|
|
|
virtual void
|
|
dump ( void )
|
|
{
|
|
printf( "Unknown %p %lu %lu %lu\n", this, _offset, _start, _end );
|
|
}
|
|
|
|
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;
|
|
|
|
if ( abs_x() < scroll_x() )
|
|
dx = min( 32767, scroll_x() - abs_x() );
|
|
|
|
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;
|
|
static bool moved = false;
|
|
|
|
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 )
|
|
{
|
|
log_destroy();
|
|
|
|
redraw();
|
|
_track->queue_delete( this );
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
case FL_RELEASE:
|
|
if ( moved )
|
|
{
|
|
log_move();
|
|
moved = false;
|
|
}
|
|
// dump();
|
|
fl_cursor( FL_CURSOR_DEFAULT );
|
|
return 1;
|
|
case FL_DRAG:
|
|
{
|
|
redraw();
|
|
|
|
if ( ox + X >= _track->x() )
|
|
{
|
|
int nx = ox + X;
|
|
|
|
_offset = timeline->x_to_ts( nx ) + timeline->xoffset;
|
|
|
|
_track->snap( this );
|
|
|
|
moved = true;
|
|
}
|
|
|
|
// _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->position( timeline->ts_to_x( pos ) );
|
|
|
|
// timeline->tracks->redraw();
|
|
}
|
|
|
|
|
|
return 1;
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
bool
|
|
operator< ( const Track_Widget & rhs )
|
|
{
|
|
return _offset < rhs._offset;
|
|
}
|
|
};
|