114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
/*
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timeline-clip-track.hpp - Declaration of the timeline clip track object
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Copyright (C) Lumiera.org
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2008, Joel Holdsworth <joel@airwebreathe.org.uk>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (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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*/
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/**
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* @file widgets/timeline/timeline-clip-track.hpp
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* This file contains the definition of timeline track objects which
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* contain clips.
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*/
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#ifndef TIMELINE_CLIP_TRACK_HPP
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#define TIMELINE_CLIP_TRACK_HPP
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#include <vector>
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#include "timeline-track.hpp"
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#include "gui/model/clip-track.hpp"
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namespace gui {
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namespace widgets {
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namespace timeline {
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class Clip;
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class TimelineViewWindow;
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class ClipTrack : public timeline::Track
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{
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public:
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/**
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* Constructor.
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**/
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ClipTrack(TimelineWidget &timelineWidget,
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boost::shared_ptr<model::ClipTrack> track);
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/**
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* Draw the track in the timeline.
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**/
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void
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draw_track(Cairo::RefPtr<Cairo::Context> cairo,
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TimelineViewWindow* const window) const;
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/**
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* Gets the clip that is occupying the given time. If there is no track, return a NULL
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* pointer.
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* @param the given time
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**/
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boost::shared_ptr<timeline::Clip>
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getClipAt(lumiera::Time position) const;
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private:
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/**
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* Ensures timeline UI clips have been created for every model clip in track.
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**/
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void
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createTimelineClips();
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/**
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* Gets the modelTrack as a ClipTrack.
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**/
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boost::shared_ptr<model::ClipTrack>
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getModelTrack ();
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/**
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* An event handler that receives notifications for when the models clip list has been
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* changed.
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**/
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void
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onClipListChanged();
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/**
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* Removes any UI clips which no longer have corresponding model clips present in the
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* sequence.
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**/
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void
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removeOrphanedClips();
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/**
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* Update the attached timeline clips.
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**/
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void
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updateClips();
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/**
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* The clipMap maps model clips to timeline widget clips which are responsible for the
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* UI representation of a clip.
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**/
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std::map<boost::shared_ptr<model::Clip>,
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boost::shared_ptr<timeline::Clip> >
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clipMap;
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};
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} // namespace timeline
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} // namespace widgets
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} // namespace gui
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#endif // TIMELINE_CLIP_TRACK_HPP
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