File content as of revision 5:2cc388e91bde:

//-----------------------------------------------------------
//  Button class
//
//  2015/12/08, Copyright (c) 2015 MIKAMI, Naoki
//-----------------------------------------------------------

#include "button.hpp"

namespace Mikami
{
    // Draw button
    void Button::Draw(uint32_t color, uint32_t textColor)
    {
        lcd_.SetTextColor(color);
        currentColor_ = color;
        lcd_.FillRect(X_, Y_, W_, H_);

        if (STR_.length() != 0)
        {
            lcd_.SetFont(FONTS_);
            lcd_.SetBackColor(color);
            lcd_.SetTextColor(textColor);

            uint16_t x0 = X_ + (W_ - FONT_WIDTH_*(STR_.length()))/2;
            uint16_t y0 = Y_ + (H_ - FONT_HEIGHT_)/2 + 1;
            lcd_.DisplayStringAt(x0, y0, (uint8_t *)STR_.c_str(),
                                 LEFT_MODE);
            lcd_.SetBackColor(BACK_COLOR_); // recover back color
        }            
    }
        
    // Check touch detected
    bool Button::Touched()
    {
        TS_StateTypeDef state;
        ts_.GetState(&state);

        if (state.touchDetected)
        {
            uint16_t x = state.touchX[0];
            uint16_t y = state.touchY[0];

            return ( (X_ <= x) && (x <= X_+W_) &&
                     (Y_ <= y) && (y <= Y_+H_) ) ? true : false;
        }
        else
            return false;
    }
        
    // Check touch detected and redraw button
    bool Button::Touched(uint32_t color, uint32_t textColor)
    {
        bool rtn = Touched();
        if (rtn) Draw(color, textColor);
        return rtn;
    }
}