323 lines
7.7 KiB
C
323 lines
7.7 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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#include "Track.H"
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#include "Region.H"
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#include "Timeline.H"
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#include <FL/fl_draw.H>
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#include <FL/Fl.H>
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#include <FL/Fl_Group.H>
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#include <FL/Fl_Widget.H>
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#include <stdio.h>
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extern Timeline timeline;
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Region::Region ( int X, int Y, int W, int H, const char *L ) : Waveform( X, Y, W, H, L )
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{
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init();
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}
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void
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Region::init ( void )
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{
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align( FL_ALIGN_INSIDE | FL_ALIGN_LEFT | FL_ALIGN_BOTTOM | FL_ALIGN_CLIP );
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labeltype( FL_SHADOW_LABEL );
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labelcolor( FL_WHITE );
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box( FL_PLASTIC_UP_BOX );
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_track = NULL;
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// _offset = 0;
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_offset = timeline.x_to_ts( x() );
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}
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Region::Region ( const Region & rhs ) : Waveform( rhs )
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{
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box( rhs.box() );
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align( rhs.align() );
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color( rhs.color() );
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selection_color( rhs.selection_color() );
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labelcolor( rhs.labelcolor() );
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labeltype( rhs.labeltype() );
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_offset = rhs._offset;
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_track = rhs._track;
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}
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Region::Region ( Clip *c ) : Waveform( c )
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{
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init();
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}
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void
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Region::trim ( enum trim_e t, int X )
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{
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switch ( t )
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{
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case LEFT:
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{
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int d = X - x();
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long td = timeline.x_to_ts( d );
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if ( td < 0 && _start < 0 - td )
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td = 0 - _start;
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_start += td;
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_offset += td;
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resize();
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// Fl_Widget::resize( x() + d, y(), w() - d, h() );
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// _offset = timeline.x_to_ts( x() );
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break;
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}
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case RIGHT:
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{
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int d = (x() + w()) - X;
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long td = timeline.x_to_ts( d );
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_end -= td;
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resize();
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// _end = _start + timeline.x_to_ts( w() - d );
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// Fl_Widget::resize( x(), y(), w() - d, h() );
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break;
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}
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default:
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return;
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}
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redraw();
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parent()->redraw();
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}
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int
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Region::handle ( int m )
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{
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if ( Fl_Widget::handle( m ) )
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return 1;
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static int ox, oy;
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static enum trim_e trimming;
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static bool copied = false;
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static nframes_t os;
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int X = Fl::event_x();
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int Y = Fl::event_y();
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switch ( m )
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{
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case FL_PUSH:
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{
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if ( Fl::event_state() & FL_SHIFT &&
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! ( Fl::event_state() & FL_CTRL ))
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{
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switch ( Fl::event_button() )
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{
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case 1:
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trim( trimming = LEFT, X );
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break;
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case 3:
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trim( trimming = RIGHT, X );
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break;
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default:
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return 0;
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}
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fl_cursor( FL_CURSOR_WE );
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return 1;
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}
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else
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{
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ox = x() - X;
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oy = y() - Y;
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if ( Fl::event_state() && FL_CTRL )
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{
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os = _start;
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// Fl::local_grab( this );
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}
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if ( Fl::event_button() == 2 )
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normalize();
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return 1;
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}
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return 0;
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break;
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}
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case FL_RELEASE:
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fl_cursor( FL_CURSOR_DEFAULT );
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copied = false;
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trimming = NO;
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// Fl::release();
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return 1;
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case FL_DRAG:
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if ( Fl::event_state() & FL_SHIFT &&
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Fl::event_state() & FL_CTRL )
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{
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int d = (ox + X) - x();
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long td = timeline.x_to_ts( d );
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if ( td > 0 && os < td )
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_start = 0;
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else
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_start = os - td;
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redraw();
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return 1;
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}
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if ( Fl::event_state() & FL_SHIFT )
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if ( trimming )
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{
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trim( trimming, X );
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return 1;
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}
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else
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return 0;
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if ( Fl::event_state() & FL_CTRL )
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{
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if ( ! copied )
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{
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_track->add( new Region( *this ) );
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copied = true;
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return 1;
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}
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}
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if ( ox + X >= _track->x() )
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{
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int nx = ox + X;
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// nx = _track->snap( this, nx );
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// _offset = timeline.x_to_ts( nx );
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position( nx, y() );
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_track->snap( this );
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}
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if ( Y > y() + h() )
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{
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if ( _track->next() )
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_track->next()->add( this );
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}
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else
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if ( Y < y() )
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{
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if ( _track->prev() )
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_track->prev()->add( this );
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}
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parent()->redraw();
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fl_cursor( FL_CURSOR_MOVE );
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if ( X >= timeline.scroll->x() + timeline.scroll->w() ||
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X <= timeline.scroll->x() )
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{
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/* this drag needs to scroll */
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long pos = timeline.scroll->xposition();
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if ( X <= timeline.scroll->x() )
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pos -= 100;
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else
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pos += 100;
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if ( pos < 0 )
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pos = 0;
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timeline.scroll->position( pos, timeline.scroll->yposition() );
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}
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// _offset = timeline.x_to_ts( x() );
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return 1;
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default:
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return 0;
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break;
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}
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}
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/** must be called whenever zoom is adjusted */
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void
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Region::resize ( void )
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{
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int X = timeline.ts_to_x( _offset );
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assert( _end >= _start );
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int W = timeline.ts_to_x( _end - _start );
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printf( "%dx%d\n", X, W );
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if ( W > 5000 )
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W = 5000;
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if ( W )
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Fl_Widget::resize( X, y(), W, h() );
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}
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void
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Region::draw ( void )
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{
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draw_box();
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// fl_push_clip( x() + Fl::box_dx( box() ), y(), w() - Fl::box_dw( box() ), h() );
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Waveform::draw();
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// fl_pop_clip();
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/* fl_color( FL_RED ); */
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/* int sx = x() - timeline.ts_to_x( _start ); */
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/* fl_line( sx, y(), sx, y() + h() ); */
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/* int ex = x() + timeline.ts_to_x( _end - _start ); */
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/* fl_line( ex, y(), ex, y() + h() ); */
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draw_label();
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/* static char pat[200]; */
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/* sprintf( pat, "start %lu, end %lu", _start, _end ); */
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/* fl_draw( pat, x(), y() + h() / 2 ); */
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}
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