📦 motiz88 / GR-55Floorboard

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131/****************************************************************************
**
** Copyright (C) 2007~2016 Colin Willcocks.
** Copyright (C) 2005~2007 Uco Mesdag. 
** All rights reserved.
** This file is part of "GR-55 FloorBoard".
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License along
** with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
**
****************************************************************************/

#include "customKnob.h"
#include "MidiTable.h"
#include "SysxIO.h"
#include "Preferences.h"

customKnob::customKnob(QWidget *parent, QString hex1, QString hex2, QString hex3, QString background, QString direction) : QWidget(parent)
{
    Preferences *preferences = Preferences::Instance();
    bool ok;
    const double ratio = preferences->getPreferences("Window", "Scale", "ratio").toDouble(&ok);

    this->hex1 = hex1;
    this->hex2 = hex2;
    this->hex3 = hex3;
    this->area = direction;
    MidiTable *midiTable = MidiTable::Instance();
    if (this->area != "System"){this->area = "Structure";};
    int range = midiTable->getRange(this->area, hex1, hex2, hex3);
    int rangeMin = midiTable->getRangeMinimum(this->area, hex1, hex2, hex3);

    QPoint bgPos = QPoint((5*ratio)-(6*ratio), (4*ratio)-(7*ratio)); // Correction needed y-3.
    QPoint knobPos = QPoint(5*ratio, 4*ratio); // Correction needed y+1 x-1.

    QLabel *newBackGround = new QLabel(this);
    if (background == "normal" || background == "System")
    {
        newBackGround->setPixmap(QPixmap(":/images/knobbgn.png").scaled(49*ratio,50*ratio));
    }
    else if (background == "turbo")
    {
        newBackGround->setPixmap(QPixmap(":/images/knobbgt.png").scaled(49*ratio,50*ratio));
    }
    else if (background == "slider")
    {
        newBackGround->setPixmap(QPixmap(":/images/slider_knobbg.png").scaled(49*ratio,50*ratio));
    }
    else
    {
        newBackGround->setPixmap(QPixmap(":/images/knobbg.png").scaled(49*ratio,50*ratio));
    };
    newBackGround->move(bgPos);
    QString imagePath_slider(":/images/slider_knob.png");
    QString imagePath_knob(":/images/knob.png");

    unsigned int imageRange = 100;
    if (background == "slider") {
        this->knob = new customDial(0, rangeMin, range, 1, 10, knobPos, this, hex1, hex2, hex3, imagePath_slider, imageRange); }
    else
        {this->knob = new customDial(0, rangeMin, range, 1, 10, knobPos, this, hex1, hex2, hex3, imagePath_knob, imageRange); };

    this->setFixedSize(newBackGround->pixmap()->size() - QSize(0, 4)); // Correction needed h-4 - space between knob and bottom label.

    QObject::connect(this, SIGNAL( updateSignal() ),
                     this->parent(), SIGNAL( updateSignal() ));

    QObject::connect(this, SIGNAL( updateDisplay(QString) ),
                     this->parent(), SIGNAL( updateDisplay(QString) ));
}

void customKnob::paintEvent(QPaintEvent *)
{
    /*DRAWS RED BACKGROUND FOR DEBUGGING PURPOSE */
    /*QPixmap image(":images/dragbar.png");

    QRectF target(0.0, 0.0, this->width(), this->height());
    QRectF source(0.0, 0.0, this->width(), this->height());

    QPainter painter(this);
    painter.drawPixmap(target, image, source); */
}

void customKnob::setValue(int value)
{
    this->knob->setValue(value);
}

void customKnob::valueChanged(int value, QString hex1, QString hex2, QString hex3)
{
    MidiTable *midiTable = MidiTable::Instance();

    QString valueHex = QString::number(value, 16).toUpper();
    if(valueHex.length() < 2) valueHex.prepend("0");

    SysxIO *sysxIO = SysxIO::Instance(); bool ok;
    if(midiTable->isData(this->area, hex1, hex2, hex3))
    {
        int maxRange = QString("7F").toInt(&ok, 16) + 1;
        int value = valueHex.toInt(&ok, 16);
        int dif = value/maxRange;
        QString valueHex1 = QString::number(dif, 16).toUpper();
        if(valueHex1.length() < 2) valueHex1.prepend("0");
        QString valueHex2 = QString::number(value - (dif * maxRange), 16).toUpper();
        if(valueHex2.length() < 2) valueHex2.prepend("0");

        sysxIO->setFileSource(this->area, hex1, hex2, hex3, valueHex1, valueHex2);
    }
    else
    {

        sysxIO->setFileSource(this->area, hex1, hex2, hex3, valueHex);
    };

    QString valueStr = midiTable->getValue(this->area, hex1, hex2, hex3, valueHex);

    emit updateDisplay(valueStr);
    emit updateSignal();
}