ofxOuiNumbox.hpp

Go to the documentation of this file.

/*
 * ofxOuiNumbox.hpp
 *
 * Number box (with mouse + keyboard interaction, C74 max style)
 *
 * This code has been authored by Jules Francoise <jfrancoi@sfu.ca>
 * during his postdoc contract at Simon Fraser University (MovingStories
 * project).
 * See:
 *    http://julesfrancoise.com/
 *    http://movingstories.ca/
 *
 * Copyright (C) 2016 Jules Francoise.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#ifndef ofxOuiNumbox_hpp
#define ofxOuiNumbox_hpp

#include "../core/ofxOuiComponent.hpp"

namespace ofxOui {

class Numbox : public Component {
  public:
    class ValueEvent : public ofEventArgs {
      public:
        ValueEvent(Numbox *sender_, float value_);

        Numbox *sender;

        float value;
    };

    template <typename T, typename args, class ListenerClass>
    void onEditValue(T *owner, void (ListenerClass::*listenerMethod)(args)) {
        using namespace std::placeholders;
        if (owner)
            numbox_event_callback_ = std::bind(listenerMethod, owner, _1);
        else
            numbox_event_callback_ = nullptr;
    }

    Numbox(int x_ = 0, int y_ = 0, int width_ = 0, int height_ = 0);

    virtual ~Numbox();

    virtual void update();

    float value;

    float min;

    float max;

    int precision;

  protected:
    virtual void drawLabel();
    void clipValue();
    virtual void mouseDragged(ofMouseEventArgs &e);
    virtual void mousePressed(ofMouseEventArgs &e);
    virtual void mouseReleased(ofMouseEventArgs &e);
    virtual void keyPressed(ofKeyEventArgs &e);

    bool dragging_;
    string user_input_;
    int y_pressed_;
    float value_pressed_;
    TextBox value_text_;
    float drag_step_;
    std::function<void(Numbox::ValueEvent &)> numbox_event_callback_;
};
}

#endif