86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
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/*
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GUINOTIFICATIONFACADE.hpp - access point for pushing informations into the GUI
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Copyright (C) Lumiera.org
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2008, 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 the
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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 guifacade.hpp
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** Interface for the GUI loader and for accessing the GUI interface from the
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** lower layers of Lumiera. While part of the public interface of the Lumiera GUI,
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** the implementation of this facility is part of the core application (and not
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** contained within the GUI dynamic module), because it's job is to load and
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** activate this module and to startup the GUI.
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**
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** @see lumiera::AppState
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** @see lumiera::Option
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** @see guifacade.cpp
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** @see main.cpp
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*/
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#ifndef GUI_FACADE_H
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#define GUI_FACADE_H
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#include "common/singletonsubclass.hpp"
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#include <string>
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namespace gui {
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using std::string;
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/*********************************************************************
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* Global access point pushing state update and notification of events
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* from the lower layers into the Lumiera GUI. Typically, this happens
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* asynchronously and triggered by events within the lower layers.
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*
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*/
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class GuiNotification
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{
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public:
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static lumiera::SingletonSub<GuiNotification> facade;
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virtual void displayInfo (string const& text) =0;
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virtual void triggerGuiShutdown (string const& cause) =0;
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protected:
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virtual ~GuiNotification() {}
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};
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} // namespace gui
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extern "C" {
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#include "lumiera/interface.h"
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LUMIERA_INTERFACE_DECLARE (lumieraorg_guinotification, 0,
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LUMIERA_INTERFACE_SLOT (void, displayInfo, (const char*)),
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LUMIERA_INTERFACE_SLOT (void, triggerGuiShutdown, (const char*)),
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);
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}
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#endif
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