Oscilloscope.h

/*
  AWind.h - Arduino window library support for Color TFT LCD Boards
  Copyright (C)2014 Andrei Degtiarev. All right reserved
  
  You can 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.
*/
#pragma once
#include "MainWindow.h"
#include "ChartWindow.h"
#include "TextBoxNumber.h"
#include "DefaultDecorators.h"
#include "Label.h"
class Oscilloscope : public MainWindow, IContentChangedEventReceiver
{
    VoltmeterSensor *_voltmeter;
    ChartWindow *_chartWnd;
    TextBoxNumber *_txtTimeStep;
    TextBoxNumber *_txtBufSize;
    TextBoxNumber *_txtBuf;
    TextBoxNumber *_txtMinV;
    TextBoxNumber *_txtMaxV;
    DecoratorAxis *_chartYAxis;
public:
    Oscilloscope(int wnd_width,int wnd_height):MainWindow(wnd_width,wnd_height)
    {
    }
    void Initialize(VoltmeterSensor *voltmeter,int buf_size,float minV,float maxV)
    {
        SetDecorators(Environment::Get()->FindDecorators(F("Window")));
        int wnd_width=Width();
        int wnd_height=Height();
        _voltmeter=voltmeter;
        int x=2;
        int y=2;
        int width=70;
        int height=30;

        LinkedList<Decorator> *txtDecorators= Environment::Get()->FindDecorators(F("EditTextBox"));

        Label *labelTimeSTep=new Label(x,y+10,width,height,F("Tstep mus:"));
        initTextBox(labelTimeSTep,true);
        x+=width;
        _txtTimeStep=new TextBoxNumber(x,y,width,height,0);
        _txtTimeStep->SetNumber(voltmeter->TimeStep());
        initTextBox(_txtTimeStep,false);
        x+=width*1.2;
        Label *labelBufsize=new Label(x,y+10,width,height,F("Buf. size:"));
        initTextBox(labelBufsize,true);
        x+=width*1.1;
        _txtBufSize=new TextBoxNumber(x,y,width,height,0);
        initTextBox(_txtBufSize,false);
        _txtBufSize->SetNumber(buf_size);
        x=1;
        y=_txtBufSize->Top()+_txtBufSize->Height()+1;
        int cy=wnd_height-y-height*1.2;
        int axis_y_margins=2;
        _chartYAxis=new DecoratorAxis(DecoratorAxis::VerticalLeft,SmallFont,cy-axis_y_margins*2,minV,maxV,5);
        _chartYAxis->SetOffset(4,axis_y_margins);
        _chartWnd=new ChartWindow(NULL,_chartYAxis,x,y,wnd_width-2,cy);
        //_chartWnd->SetMinMaxY(minV,maxV);
        _chartWnd->AddDecorator(new Decorator3DRect(Color::White,Color::Gray));
        _chartWnd->AddDecorator(new DecoratorColor(Color::Black));
        _chartWnd->AddDecorator(_chartYAxis);
        AddChild(_chartWnd);
        y=_chartWnd->Top()+_chartWnd->Height()+3;

        Label *labelMinV=new Label(x,y+10,width,height,F("Vmin/max:"));
        x+=width;
        _txtMinV=new TextBoxNumber(x,y,width-10,height,1);
        _txtMinV->SetNumber(minV);
        x+=width;
        _txtMaxV=new TextBoxNumber(x,y,width-10,height,1);
        _txtMaxV->SetNumber(maxV);
        x+=width;

        initTextBox(labelMinV,true);
        initTextBox(_txtMinV,false);
        initTextBox(_txtMaxV,false);
    }
    void initTextBox(TextBox *textBox,bool isLabel)
    {
        AddChild(textBox);
        if(!isLabel)
        {
            textBox->RegisterContentChangedReceiver(this);
            textBox->SetMargins(0,7);
            textBox->SetFont(BigFont);
            ((TextBoxNumber *)textBox)->SetIsReadOnly(false);
        }

    }
    ChartWindow *ChartWnd()
    {
        return _chartWnd;
    }
    void NotifyContentChanged(Window *textBox)
    {
        if(textBox == _txtMinV || textBox == _txtMaxV)
        {
            _chartYAxis->SetMinMax(_txtMinV->GetNumber(),_txtMaxV->GetNumber());
            _chartWnd->Invalidate();
        }
        else if(textBox == _txtTimeStep)
        {
            _voltmeter->SetTimeStep(_txtTimeStep->GetNumber());
        }
        else if(textBox == _txtBufSize)
        {
            _voltmeter->Buffer()->SetSize(_txtBufSize->GetNumber());
            _txtBufSize->SetNumber(_voltmeter->Buffer()->Size());
        }
    }
};