Console.h

/*

Copyright (c) 2018, Johnathan Corkery. (jcorkery@umich.edu)
All rights reserved.

This file is part of the Dynacoe project (https://github.com/jcorks/Dynacoe)
Dynacoe was released under the MIT License, as detailed below.



Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal 
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is furnished 
to do so, subject to the following conditions:

The above copyright notice and this permission notice shall
be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
DEALINGS IN THE SOFTWARE.



*/
#ifndef H_DC_CONSOLE_INCLUDED
#define H_DC_CONSOLE_INCLUDED

#include <Dynacoe/Color.h>
#include <Dynacoe/Entity.h>
#include <Dynacoe/Modules/Module.h>
#include <Dynacoe/Interpreter.h>
#include <Dynacoe/Util/Chain.h>
#include <Dynacoe/Component.h>
#include <map>

class ConsoleInputStream;
namespace Dynacoe {

class DebugMessage;
class Shape2D;



class ConsoleStream {
  public:
  
    enum class MessageType{
        Normal, 
        Warning,
        Severe, 
        Fatal,  
    };

    ConsoleStream & operator=(const ConsoleStream &);

    using FinishedCallback = void (*)(const std::string & text, ConsoleStream::MessageType i); 

    ConsoleStream(const ConsoleStream &);
    ConsoleStream(FinishedCallback);
    ~ConsoleStream(); // calls finished callback with the formatted string
    ConsoleStream operator<<(const Chain&);
    ConsoleStream operator<<(MessageType);

  private:

    static MessageType type;
    std::string str;
    FinishedCallback finish;
};


class Console : public Module {
  public:
    friend class Engine;

    Console();



    enum class MessageMode{
        Standard, 
        Disabled,     
    };

    static const char * End;




    static ConsoleStream System();
    static ConsoleStream Info  ();
    static ConsoleStream Error ();
    static ConsoleStream Warning();

    // State

    static bool IsVisible() ;

    static void Show(bool doIt) ;

    static bool IsLocked() ;

    static void Lock(bool);


    static void AddCommand(const std::string & name, Interpreter::Command * command);


    static uint32_t GetNumLines();

    static std::string GetLine(uint32_t i);

    static void Clear();


    static void OverlayMessageMode(MessageMode);
    
    static MessageMode GetOverlayMessageMode();

    static void SetCommandCallback(DynacoeEvent((*)));


  private:







    static void initBase(); 

    struct LineModel;
    struct LineView;
    static Shape2D * base;


    static std::vector<LineModel*>                lines;
    static std::vector<LineView*>                 lineViews;

    static Entity * messages;

    


    static bool         locked;
    static bool         shown;
    static bool         inputActive;
    static ConsoleInputStream * streamIn;


    static MessageMode messageMode;
    static uint32_t viewOffsetY;    

    
    static void AddDefaultCommands();
    static void AdjustViewSize();
    static void AcquireStreamOutput(const std::string &, ConsoleStream::MessageType);
    static void ProcessStreamOutput();
    static void ProcessStreamIteration(const std::string &, ConsoleStream::MessageType);    
    static int fontHeight;
    static float basePositionOffsetRatio;

    static void PostMessageConsole(const std::string & c, ConsoleStream::MessageType);
    static std::vector<std::pair<std::string, ConsoleStream::MessageType>> stream;
    static Interpreter * interp;
    

  public:
    std::string GetName() {return "Console";}
    void Init(); void InitAfter(); void RunBefore(); void RunAfter(); void DrawBefore(); void DrawAfter();
    Backend * GetBackend();
};
}


#endif