settings_dialog.cpp

/*
***************************************************************************
*
* Author: Teunis van Beelen
*
* Copyright (C) 2015 Teunis van Beelen
*
* Email: teuniz@gmail.com
*
***************************************************************************
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
***************************************************************************
*/




#include "settings_dialog.h"



UI_settings_window::UI_settings_window(QWidget *parnt)
{
  QSettings settings;

  mainwindow = (UI_Mainwindow *)parnt;

  char dev_str[128];

  setMinimumSize(QSize(490, 200));
  setMaximumSize(QSize(490, 200));
  setWindowTitle("Settings");
  setModal(true);

  usbRadioButton = new QRadioButton("USB", this);
  usbRadioButton->setAutoExclusive(true);
  usbRadioButton->setGeometry(40, 20, 110, 25);
  if(mainwindow->devparms.connectiontype == 0)
  {
    usbRadioButton->setChecked(true);
  }

  lanRadioButton = new QRadioButton("LAN", this);
  lanRadioButton->setAutoExclusive(true);
  lanRadioButton->setGeometry(220, 20, 110, 25);
  if(mainwindow->devparms.connectiontype == 1)
  {
    lanRadioButton->setChecked(true);
  }

  comboBox1 = new QComboBox(this);
  comboBox1->setGeometry(20, 65, 110, 25);
  comboBox1->addItem("/dev/usbtmc0");
  comboBox1->addItem("/dev/usbtmc1");
  comboBox1->addItem("/dev/usbtmc2");
  comboBox1->addItem("/dev/usbtmc3");
  comboBox1->addItem("/dev/usbtmc4");
  comboBox1->addItem("/dev/usbtmc5");
  comboBox1->addItem("/dev/usbtmc6");
  comboBox1->addItem("/dev/usbtmc7");
  comboBox1->addItem("/dev/usbtmc8");
  comboBox1->addItem("/dev/usbtmc9");

  ipLineEdit = new QLineEdit(this);
  ipLineEdit->setGeometry(200, 65, 110, 25);
  ipLineEdit->setInputMask("000.000.000.000;_");
  if(settings.contains("connection/ip"))
  {
    ipLineEdit->setText(settings.value("connection/ip").toString());
  }
  else
  {
    ipLineEdit->setText("192.168.001.088");
  }

  refreshLabel = new QLabel(this);
  refreshLabel->setGeometry(370, 20, 120, 35);
  refreshLabel->setText("Screen update\n interval");

  refreshSpinbox = new QSpinBox(this);
  refreshSpinbox->setGeometry(370, 65, 100, 25);
  refreshSpinbox->setSuffix(" mS");
  refreshSpinbox->setRange(50, 2000);
  refreshSpinbox->setSingleStep(10);
  refreshSpinbox->setValue(mainwindow->devparms.screentimerival);

  applyButton = new QPushButton(this);
  applyButton->setGeometry(20, 155, 100, 25);
  applyButton->setText("Apply");

  cancelButton = new QPushButton(this);
  cancelButton->setGeometry(200, 155, 100, 25);
  cancelButton->setText("Cancel");

  strcpy(dev_str, settings.value("connection/device").toString().toLocal8Bit().data());

  if(!strcmp(dev_str, ""))
  {
    strcpy(dev_str, "/dev/usbtmc0");
  }

  comboBox1->setCurrentIndex(dev_str[11] - '0');

  if(mainwindow->devparms.connected)
  {
    usbRadioButton->setEnabled(false);
    lanRadioButton->setEnabled(false);
    ipLineEdit->setEnabled(false);
    comboBox1->setEnabled(false);
    applyButton->setEnabled(false);
  }
  else
  {
    QObject::connect(applyButton, SIGNAL(clicked()), this, SLOT(applyButtonClicked()));
  }

  QObject::connect(cancelButton,   SIGNAL(clicked()),         this, SLOT(close()));
  QObject::connect(refreshSpinbox, SIGNAL(valueChanged(int)), this, SLOT(refreshSpinboxChanged(int)));

  exec();
}


void UI_settings_window::applyButtonClicked()
{
  char dev_str[128];

  QSettings settings;

  if(mainwindow->devparms.connected)
  {
    close();
  }

  strcpy(dev_str, "/dev/usbtmc0");

  dev_str[11] = '0' + comboBox1->currentIndex();

  if(usbRadioButton->isChecked() == true)
  {
    settings.setValue("connection/type", "USB");

    mainwindow->devparms.connectiontype = 0;
  }
  else
  {
    settings.setValue("connection/type", "LAN");

    mainwindow->devparms.connectiontype = 1;
  }

  settings.setValue("connection/device", dev_str);

  settings.setValue("connection/ip", ipLineEdit->text());

  close();
}


void UI_settings_window::refreshSpinboxChanged(int value)
{
  QSettings settings;

  mainwindow->devparms.screentimerival = value;

  settings.setValue("gui/refresh", value);

  if(mainwindow->scrn_timer->isActive())
  {
    mainwindow->scrn_timer->start(value);
  }
}