85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#ifndef __gtk_ardour_crossfade_view_h__
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#define __gtk_ardour_crossfade_view_h__
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#include <vector>
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#include <gtkmm.h>
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#include <libgnomecanvas/libgnomecanvas.h>
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#include <sigc++/signal.h>
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#include <ardour/crossfade.h>
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#include "time_axis_view_item.h"
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class AudioTimeAxisView;
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class AudioRegionView;
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struct CrossfadeView : public TimeAxisViewItem
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{
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CrossfadeView (Gnome::Canvas::Group*,
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AudioTimeAxisView&,
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ARDOUR::Crossfade&,
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double initial_samples_per_unit,
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Gdk::Color& basic_color,
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AudioRegionView& leftview,
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AudioRegionView& rightview);
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~CrossfadeView ();
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ARDOUR::Crossfade& crossfade; // ok, let 'em have it
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AudioRegionView& left_view; // and these too
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AudioRegionView& right_view;
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std::string get_item_name();
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void set_height (double);
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bool valid() const { return _valid; }
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bool visible() const { return _visible; }
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void set_valid (bool yn);
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static sigc::signal<void,CrossfadeView*> GoingAway;
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AudioRegionView& upper_regionview () const;
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void fake_hide ();
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void hide ();
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void show ();
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protected:
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void reset_width_dependent_items (double pixel_width);
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private:
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bool _valid;
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bool _visible;
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double spu;
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GnomeCanvasItem *overlap_rect;
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GnomeCanvasItem *fade_in;
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GnomeCanvasItem *fade_out;
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GnomeCanvasItem *active_button;
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void crossfade_changed (ARDOUR::Change);
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void active_changed ();
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void redraw_curves ();
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};
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#endif /* __gtk_ardour_crossfade_view_h__ */
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