eventInterface.h

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/*
  @copyright Steve Keen 2021
  @author Russell Standish
  This file is part of Minsky.

  Minsky 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 3 of the License, or
  (at your option) any later version.

  Minsky 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 Minsky.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef EVENTINTERFACE_H
#define EVENTINTERFACE_H
#include "item.h"
#include "wire.h"

#include <string>

namespace minsky
{
  // enforces a uniform mouse and keyboard event handling interface
  struct EventInterface
  {
    virtual void mouseDown(float x, float y) {}
    virtual void controlMouseDown(float x, float y) {mouseDown(x,y);}
    virtual void mouseUp(float x, float y) {}
    virtual void mouseMove(float x, float y) {}
    virtual void zoom(double x, double y, double z) {}
    virtual void moveTo(float x, float y) {}
    virtual std::vector<float> position() const {return {0,0};}
    virtual double zoomFactor() const {return 1;}

    struct KeyPressArgs
    {
      int keySym;
      std::string utf8;
      int state;
      float x;
      float y;
    };
    virtual bool keyPress(const KeyPressArgs&)
    {return false;}

    ItemPtr item;
    WirePtr wire;
    virtual bool getItemAt(float x, float y) {return false;}
    virtual bool getWireAt(float x, float y) {return false;}


  };
}

#include "eventInterface.cd"
#include "eventInterface.xcd"
#endif