TextBoxNumber.h

/*
  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.
*/
#pragma once
#include "TextBox.h"
class TextBoxNumber : public TextBox
{
    float _number;
    bool _isOK;
    int _precission;
    bool _isReadOnly;
public:

    TextBoxNumber(int left=0,int top=0,int width=0,int height=0,int precission=0):TextBox(left,top,width,height)
    {
        _precission=precission;
        _isOK=true;
        _number=0;
        SetFont(BigFont);
        SetDecorators(Environment::Get()->FindDecorators(F("EditTextBoxReadOnly")));
        SetMargins(0,1);
        SetIsReadOnly(true);
    }
    int Precission()
    {
        return _precission;
    }
    void SetPrecission(int precission)
    {
        _precission=precission;
    }
    bool IsAwaitTouch()
    {
        return !_isReadOnly||TextBox::IsAwaitTouch();
    }
    bool OnTouch(int x,int y);
    void SetIsReadOnly(bool isReadOnly)
    {
       SetDecorators(Environment::Get()->FindDecorators(isReadOnly?F("EditTextBoxReadOnly"):F("EditTextBox")));
        _isReadOnly=isReadOnly;
    }
    bool IsReadOnly()
    {
        return _isReadOnly;
    }
    void SetNumber(float number)
    {
        if(_number!=number)
        {
            _number = number;
            if(_changedEvent!=NULL)
                _changedEvent->NotifyContentChanged(this);
            Invalidate();
        }
    }
    float GetNumber()
    {
        return _number;
    }
    void SetStatus(bool isOK)
    {
        _isOK = isOK;
    }
    virtual void OnDraw(DC *dc)
    {
        TextBox::OnDraw(dc);
        if(_isOK)
        {
            dc->DrawNumber(_number,_precission,_offset_x,_offset_y);
        }
    }
};