UIContext.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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******************************************************************************/
#ifndef NOMLIB_GUI_UICONTEXT_HPP
#define NOMLIB_GUI_UICONTEXT_HPP
 
#include <memory>
 
#include "nomlib/config.hpp"
#include "nomlib/math/Point2.hpp"
#include "nomlib/math/Size2.hpp"
 
// Forward declarations (third-party)
namespace Rocket {
namespace Core {
 
class Context;
class RenderInterface;
class ElementDocument;
 
} // namespace Core
} // namespace Rocket
 
namespace nom {
 
// Forward declarations
struct Event;
class EventHandler;
class IUIEventHandler;

class UIContext
{
  public:
    typedef UIContext self_type;

    UIContext();

    virtual ~UIContext();

    void shutdown();

    bool debugger_enabled() const;

    void enable_debugger();

    void disable_debugger();

    Size2i debugger_size() const;

    void set_debugger_position(const Point2i& pos);

    Size2i beacon_size() const;

    void set_beacon_position(const Point2i& pos);

    void set_debugger_size(const Size2i& dims);

    Rocket::Core::Context* context() const;

    Size2i size() const;

    bool valid() const;

    bool create_context(  const std::string& name, const Size2i& res,
                          Rocket::Core::RenderInterface* interface = nullptr );
 
    Rocket::Core::ElementDocument*
    load_document_file( const std::string& filename );
 
    Rocket::Core::ElementDocument* load_mouse_cursor_file( const std::string& filename );
 
    void show_mouse_cursor( bool state );
 
    bool load_font( const std::string& filename );

    void set_size(const Size2i& dims);

    void set_event_handler(nom::EventHandler& evt_handler);

    void update();

    void draw();
 
  private:
    void initialize_debugger();

    void process_event(const nom::Event& evt);

    bool debugger_;

    Rocket::Core::Context* context_;

    Rocket::Core::RenderInterface* renderer_;

    std::unique_ptr<IUIEventHandler> evt_;
 
    // Non-owned pointer
    EventHandler* event_handler_ = nullptr;

    Size2i res_;
};
 
} // namespace nom
 
#endif // include guard defined