ButtonWindow.h

#pragma once
/*
  AWind.h - Arduino window library support for Color TFT LCD Boards
  Copyright (C)2015 Andrei Degtiarev. All right reserved
  

  You can always find the latest version of the library at 
  https://github.com/AndreiDegtiarev/AWind


  This library is free software; you can redistribute it and/or
  modify it under the terms of the CC BY-NC-SA 3.0 license.
  Please see the included documents for further information.

  Commercial use of this library requires you to buy a license that
  will allow commercial use. This includes using the library,
  modified or not, as a tool to sell products.

  The license applies to all part of the library including the 
  examples and tools supplied with the library.
*/

#include "Window.h"
class ButtonWindow : public Window
{
public:
    enum Pictogram
    {
        TriangleLeft,
        TriangleRight,
        TriangleTop,
        TriangleBottom,
    };
private:
    Pictogram _pictogram;
public:

    ButtonWindow(Pictogram pictogram,int left,int top,int width,int height):Window(F("Button"),left,top,width,height)
    {
        _pictogram=pictogram;
        SetDecorators(Environment::Get()->FindDecorators(F("Button")));

    }

    void OnDraw(DC *dc)
    {
        //dc->SetColor(_borderColor);
        int marg=7;
        int x1=0,x2=0,x3=0;
        int y1=0,y2=0,y3=0;
        int x_left=marg;
        int x_mid=Width()/2;
        int x_right=Width()-marg;
        int y_mid=Height()/2;
        int y_top=marg;
        int y_bottom=Height()-marg;
        switch(_pictogram)
        {
        case TriangleLeft:
            x1=x_left;
            y1=y_mid;
            x2=x_right;
            y2=y_top;
            x3=x_right;
            y3=y_bottom;
            break;
        case TriangleRight:
            x1=x_left;
            y1=y_top;
            x2=x_right;
            y2=y_mid;
            x3=x_left;
            y3=y_bottom;
            break;
        case TriangleTop:
            x1=x_mid;
            y1=y_top;
            x2=x_right;
            y2=y_bottom;
            x3=x_left;
            y3=y_bottom;
            break;
        case TriangleBottom:
            x1=x_left;
            y1=y_top;
            x2=x_right;
            y2=y_top;
            x3=x_mid;
            y3=y_bottom;
            break;
        }
        dc->MoveTo(x1,y1);
        dc->LineTo(x2,y2);
        dc->LineTo(x3,y3);
        dc->LineTo(x1,y1);
    }
};