non/Region.C

334 lines
8.5 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. */
/*******************************************************************************/
#include "Track.H"
#include "Region.H"
#include "Timeline.H"
#include "Waveform.H"
#include <FL/fl_draw.H>
#include <FL/Fl.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl_Box.H>
#include <stdio.h>
#include <algorithm>
//using std::algorithm;
using namespace std;
extern Timeline timeline;
void
Region::init ( void )
{
/* align( FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_BOTTOM | FL_ALIGN_CLIP ); */
/* labeltype( FL_SHADOW_LABEL ); */
/* labelcolor( FL_WHITE ); */
/* box( FL_PLASTIC_UP_BOX ); */
_track = NULL;
_offset = 0;
_start = 0;
_end = 0;
_scale = 1.0f;
_clip = NULL;
}
Region::Region ( const Region & rhs )
{
_offset = rhs._offset;
_track = rhs._track;
_clip = rhs._clip;
_start = rhs._start;
_end = rhs._end;
_scale = rhs._scale;
}
Region::Region ( Clip *c )
{
init();
_clip = c;
_end = _clip->length();
}
/* void */
/* Region::trim ( enum trim_e t, int X ) */
/* { */
/* switch ( t ) */
/* { */
/* case LEFT: */
/* { */
/* int d = X - x(); */
/* long td = timeline.x_to_ts( d ); */
/* if ( td < 0 && _start < 0 - td ) */
/* td = 0 - _start; */
/* _start += td; */
/* _offset += td; */
/* resize(); */
/* // Fl_Widget::resize( x() + d, y(), w() - d, h() ); */
/* // _offset = timeline.x_to_ts( x() ); */
/* break; */
/* } */
/* case RIGHT: */
/* { */
/* int d = (x() + w()) - X; */
/* long td = timeline.x_to_ts( d ); */
/* _end -= td; */
/* resize(); */
/* // _end = _start + timeline.x_to_ts( w() - d ); */
/* // Fl_Widget::resize( x(), y(), w() - d, h() ); */
/* break; */
/* } */
/* default: */
/* return; */
/* } */
/* redraw(); */
/* parent()->redraw(); */
/* } */
int
Region::handle ( int m )
{
static int ox, oy;
static enum trim_e trimming;
static bool copied = false;
static nframes_t os;
int X = Fl::event_x();
int Y = Fl::event_y();
switch ( m )
{
case FL_PUSH:
{
if ( Fl::event_state() & FL_SHIFT &&
! ( Fl::event_state() & FL_CTRL ))
{
switch ( Fl::event_button() )
{
/* case 1: */
/* trim( trimming = LEFT, X ); */
/* break; */
/* case 3: */
/* trim( trimming = RIGHT, X ); */
/* break; */
default:
return 0;
}
fl_cursor( FL_CURSOR_WE );
return 1;
}
else
{
ox = x() - X;
oy = y() - Y;
if ( Fl::event_state() && FL_CTRL )
{
os = _start;
// Fl::local_grab( this );
}
/* if ( Fl::event_button() == 2 ) */
/* normalize(); */
return 1;
}
return 0;
break;
}
case FL_RELEASE:
fl_cursor( FL_CURSOR_DEFAULT );
copied = false;
trimming = NO;
// Fl::release();
return 1;
case FL_DRAG:
if ( Fl::event_state() & FL_SHIFT &&
Fl::event_state() & FL_CTRL )
{
int d = (ox + X) - x();
long td = timeline.x_to_ts( d );
if ( td > 0 && os < td )
_start = 0;
else
_start = os - td;
// redraw();
return 1;
}
/* if ( Fl::event_state() & FL_SHIFT ) */
/* if ( trimming ) */
/* { */
/* trim( trimming, X ); */
/* return 1; */
/* } */
/* else */
/* return 0; */
if ( Fl::event_state() & FL_CTRL )
{
if ( ! copied )
{
_track->add( new Region( *this ) );
copied = true;
return 1;
}
}
if ( ox + X >= _track->x() )
{
int nx = ox + X;
// nx = _track->snap( this, nx );
// _offset = timeline.x_to_ts( nx );
// position( nx, y() );
_offset = timeline.x_to_ts( nx ) + timeline.xoffset;
// _track->snap( this );
}
if ( Y > y() + h() )
{
if ( _track->next() )
_track->next()->add( this );
}
else
if ( Y < y() )
{
if ( _track->prev() )
_track->prev()->add( this );
}
_track->redraw();
fl_cursor( FL_CURSOR_MOVE );
/* if ( X >= timeline.scroll->x() + timeline.scroll->w() || */
/* X <= timeline.scroll->x() ) */
/* { */
/* /\* this drag needs to scroll *\/ */
/* long pos = timeline.scroll->xposition(); */
/* if ( X <= timeline.scroll->x() ) */
/* pos -= 100; */
/* else */
/* pos += 100; */
/* if ( pos < 0 ) */
/* pos = 0; */
/* timeline.scroll->position( pos, timeline.scroll->yposition() ); */
/* } */
// _offset = timeline.x_to_ts( x() );
return 1;
default:
return 0;
break;
}
}
/** must be called whenever zoom is adjusted */
void
Region::resize ( void )
{
int X = timeline.ts_to_x( _offset );
assert( _end >= _start );
int W = timeline.ts_to_x( _end - _start );
printf( "%dx%d\n", X, W );
// if ( W )
// Fl_Widget::resize( X, y(), W, h() );
}
/* X is the timeline offset, W is the width of the track */
void
Region::draw ( int X, int Y, int W, int H )
{
int rx = timeline.ts_to_x( _offset ) - X;
int rw = min( timeline.ts_to_x( _end - _start ), W );
fl_draw_box( FL_PLASTIC_UP_BOX, rx, Y, rw, H, FL_CYAN );
// fl_push_clip( x() + Fl::box_dx( box() ), y(), w() - Fl::box_dw( box() ), h() );
draw_waveform( rx, Y, rw, H, _clip, _start, _end, _scale, FL_GREEN );
// fl_pop_clip();
fl_font( FL_HELVETICA, 14 );
fl_color( FL_BLACK );
int bx = Fl::box_dx( FL_PLASTIC_UP_BOX );
int by = Fl::box_dy( FL_PLASTIC_UP_BOX );
int bw = Fl::box_dw( FL_PLASTIC_UP_BOX );
int bh = Fl::box_dh( FL_PLASTIC_UP_BOX );
Fl_Align align = (Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_BOTTOM | FL_ALIGN_CLIP);
fl_draw( _clip->name(), bx + rx + 1, Y + 1 + by, rw - bw, H - bh, align );
fl_color( FL_WHITE );
fl_draw( _clip->name(), bx + rx, Y + by , rw - bw, H - bh, align );
// fl_draw( _clip->name(), X, Y );
//(Fl_Align)FL_ALIGN_LEFT | FL_ALIGN_BOTTOM );
}