/*******************************************************************************/ /* 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 "Timeline.H" #include "Region.H" #include queue Track::_delete_queue; Track_Widget *Track::_pushed = NULL; Track_Widget *Track::_belowmouse = NULL; void Track::sort ( void ) { _widgets.sort( Track_Widget::sort_func ); } /** return a pointer to the widget that /r/ overlaps, or NULL if none. */ Track_Widget * Track::overlaps ( Track_Widget *r ) { for ( list ::const_iterator i = _widgets.begin(); i != _widgets.end(); i++ ) { if ( *i == r ) continue; if ( ! ( (*i)->offset() > r->offset() + r->length() || (*i)->offset() + (*i)->length() < r->offset() ) ) return *i; } return NULL; } void Track::draw ( void ) { if ( ! fl_not_clipped( x(), y(), w(), h() ) ) return; fl_push_clip( x(), y(), w(), h() ); Fl_Group::draw(); int X, Y, W, H; fl_clip_box( x(), y(), w(), h(), X, Y, W, H ); // printf( "track::draw %d,%d %dx%d\n", X,Y,W,H ); for ( list ::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ ) (*r)->draw_box( X, Y, W, H ); /* draw crossfades */ for ( list ::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ ) { Track_Widget *o = overlaps( *r ); if ( o ) { if ( *o < **r ) { Rectangle b( (*r)->x(), o->y(), (o->x() + o->w()) - (*r)->x(), o->h() ); Fl_Color c = fl_color_average( o->box_color(), (*r)->box_color(), 0.50f ); c = fl_color_average( c, FL_YELLOW, 0.30f ); fl_push_clip( b.x, b.y, b.w, b.h ); draw_box( FL_FLAT_BOX, b.x - 100, b.y, b.w + 200, b.h, c ); draw_box( FL_UP_FRAME, b.x - 100, b.y, b.w + 200, b.h, c ); /* fl_color( FL_BLACK ); */ /* fl_line_style( FL_DOT, 4 ); */ /* b.x = (*r)->line_x(); */ /* b.w = min( 32767, (*r)->abs_w() ); */ /* fl_line( b.x, b.y, b.x + b.w, b.y + b.h ); */ /* fl_line( b.x, b.y + b.h, b.x + b.w, b.y ); */ /* fl_line_style( FL_SOLID, 0 ); */ fl_pop_clip(); } } } for ( list ::const_iterator r = _widgets.begin(); r != _widgets.end(); r++ ) (*r)->draw( X, Y, W, H ); timeline->draw_measure_lines( x(), y(), w(), h(), color() ); fl_pop_clip(); } void Track::remove ( Track_Widget *r ) { // Logger _log( this ); _widgets.remove( r ); } void Track::remove_selected ( void ) { Loggable::block_start(); for ( list ::iterator r = _widgets.begin(); r != _widgets.end(); ) if ( (*r)->selected() ) { Track_Widget *t = *r; _widgets.erase( r++ ); delete t; } else ++r; Loggable::block_end(); } Track_Widget * Track::event_widget ( void ) { nframes_t ets = timeline->xoffset + timeline->x_to_ts( Fl::event_x() - x() ); for ( list ::const_reverse_iterator r = _widgets.rbegin(); r != _widgets.rend(); r++ ) if ( ets > (*r)->offset() && ets < (*r)->offset() + (*r)->length() ) return (*r); return NULL; } void Track::select_range ( int X, int W ) { nframes_t sts = timeline->xoffset + timeline->x_to_ts( X - x() ); nframes_t ets = sts + timeline->x_to_ts( W ); for ( list ::const_reverse_iterator r = _widgets.rbegin(); r != _widgets.rend(); r++ ) if ( ! ( (*r)->offset() > ets || (*r)->offset() + (*r)->length() < sts ) ) (*r)->select(); } void Track::add ( Track_Widget *r ) { // Logger _log( this ); if ( r->track() ) { r->redraw(); r->track()->remove( r ); // r->track()->redraw(); } r->track( this ); _widgets.push_back( r ); sort(); } /* snap /r/ to nearest edge */ void Track::snap ( Track_Widget *r ) { const int snap_pixels = 10; const int rx1 = r->x(); const int rx2 = r->x() + r->w(); for ( list ::iterator i = _widgets.begin(); i != _widgets.end(); i++ ) { const Track_Widget *w = (*i); if ( w == r ) continue; const int wx1 = w->x(); const int wx2 = w->x() + w->w(); if ( abs( rx1 - wx2 ) < snap_pixels ) { r->offset( w->offset() + w->length() + 1 ); // printf( "snap: %lu | %lu\n", w->offset() + w->length(), r->offset() ); goto done; } if ( abs( rx2 - wx1 ) < snap_pixels ) { r->offset( ( w->offset() - r->length() ) - 1 ); // printf( "snap: %lu | %lu\n", r->offset() + r->length(), w->offset() ); goto done; } } { int nx = timeline->nearest_line( r->abs_x() ); if ( nx >= 0 ) { r->offset( timeline->x_to_ts( nx ) ); return; } } // r->offset( timeline->x_to_ts( r->x() ) ); done: return; // r->resize(); // r->position( rx1, y() ); } int Track::handle ( int m ) { switch ( m ) { case FL_DND_ENTER: printf( "enter\n" ); if ( pushed() && pushed()->track()->class_name() == class_name() ) { add( pushed() ); redraw(); } case FL_DND_LEAVE: return 1; case FL_MOVE: { Track_Widget *r = event_widget(); if ( r != belowmouse() ) { if ( belowmouse() ) belowmouse()->handle( FL_LEAVE ); _belowmouse = r; if ( r ) r->handle( FL_ENTER ); } return 0; } default: { Track_Widget *r = pushed() ? pushed() : event_widget(); if ( r ) { int retval = r->dispatch( m ); if ( retval && m == FL_PUSH ) _pushed = r; if ( retval && m == FL_RELEASE ) _pushed = NULL; Loggable::block_start(); while ( _delete_queue.size() ) { Track_Widget *t = _delete_queue.front(); _delete_queue.pop(); if ( pushed() == t ) _pushed = NULL; if ( belowmouse() == t ) { belowmouse()->handle( FL_LEAVE ); _belowmouse = NULL; } delete t; } Loggable::block_end(); return retval; } else return Fl_Group::handle( m ); } } }