78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
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/*
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TRACK-PRESENTER.hpp - presentation control element for a track within the timeline
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Copyright (C) Lumiera.org
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2016, Hermann Vosseler <Ichthyostega@web.de>
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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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/** @file track-presenter.hpp
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** Presentation control element to model and manage a track within the timeline UI.
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** In the Lumiera timeline UI, we are mixing two different scope of concerns: For one,
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** we have the globally tangible scope of actual session elements an operations performed
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** on those. And then there are more local considerations regarding the "mechanics" of the
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** UI elements, their state and immediate feedback to user interactions. The _Presenter_ --
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** as known from the [MVP pattern](https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93presenter) --
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** serves as link between both levels. For the global angle of view, it is a model::Tangible and thus
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** plays the role of the _View_, while the _Model_ and _Controler_ roles are mediated through the
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** gui::UiBus, exchanging command, state and mutation messages. On the other hand, for the local
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** angle of view, the _Presenter_ is a structural model element, kind of a _view model_, and corresponds
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** to the respective element within the session. In addition, it manages actively the collaborative
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** part of layout building, delegating to a mostly passive GTK widget for the actual display.
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** This way it becomes possible to manage the actual UI resources on a global level, avoiding to
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** represent potentially several thousand individual elements as GTK entities, while at any time
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** only several can be visible and active as far as user interaction is concerned.
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**
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** @todo WIP-WIP-WIP as of 12/2016
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**
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*/
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#ifndef GUI_TIMELINE_TRACK_PRESENTER_H
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#define GUI_TIMELINE_TRACK_PRESENTER_H
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#include "gui/gtk-base.hpp"
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//#include "lib/util.hpp"
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//#include <memory>
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//#include <vector>
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namespace gui {
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namespace timeline {
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/**
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* @todo WIP-WIP as of 12/2016
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*/
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class TrackPresenter
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{
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public:
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TrackPresenter ();
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~TrackPresenter();
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private:/* ===== Internals ===== */
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};
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}}// namespace gui::timeline
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#endif /*GUI_TIMELINE_TRACK_PRESENTER_H*/
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