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flightgear/utils/fgpanel/FGPanel.hxx

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3.3 KiB
C++

// FGPanel.hxx - generic support classes for a 2D panel.
//
// Written by David Megginson, started January 2000.
// Adopted for standalone fgpanel application by Torsten Dreyer, August 2009
//
// 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; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id: FGPanel.hxx,v 1.1 2016/07/20 22:01:30 allaert Exp $
#ifndef FGPANEL_HXX
#define FGPANEL_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <simgear/props/propsfwd.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include "FGCroppedTexture.hxx"
#include "FGPanelInstrument.hxx"
using namespace std;
////////////////////////////////////////////////////////////////////////
// Top-level panel.
////////////////////////////////////////////////////////////////////////
/**
* Instrument panel class.
*
* The panel is a container that has a background texture and holds
* zero or more instruments. The panel will order the instruments to
* redraw themselves when necessary, and will pass mouse clicks on to
* the appropriate instruments for processing.
*/
class FGPanel : public SGSubsystem
{
public:
FGPanel (const SGPropertyNode_ptr root);
virtual ~FGPanel ();
// Subsystem API.
void init() override;
void bind() override;
void unbind() override;
void update(double dt) override;
// Subsystem identification.
static const char* staticSubsystemClassId() { return "panel"; }
// transfer pointer ownership!!!
virtual void addInstrument (FGPanelInstrument * const instrument);
// Background texture.
virtual void setBackground (const FGCroppedTexture_ptr texture);
void setBackgroundWidth (const double d);
void setBackgroundHeight (const double d);
// Background multiple textures.
virtual void setMultiBackground (const FGCroppedTexture_ptr texture , const int idx);
// Full width of panel.
virtual void setWidth (const int width);
virtual int getWidth () const;
// Full height of panel.
virtual void setHeight (const int height);
virtual int getHeight () const;
private:
typedef vector <FGPanelInstrument *> instrument_list_type;
int m_width;
int m_height;
SGPropertyNode_ptr m_flipx;
FGCroppedTexture_ptr m_bg;
double m_bg_width;
double m_bg_height;
FGCroppedTexture_ptr m_mbg[8];
// List of instruments in panel.
instrument_list_type m_instruments;
void getInitDisplayList ();
static GLuint Textured_Layer_Program_Object;
static GLint Textured_Layer_Position_Loc;
static GLint Textured_Layer_Tex_Coord_Loc;
static GLint Textured_Layer_MVP_Loc;
static GLint Textured_Layer_Sampler_Loc;
};
#endif