File indexing completed on 2024-05-12 17:07:10

 /*
     This file is part of the KDE Control Center Module for Joysticks
 
     SPDX-FileCopyrightText: 2003 Martin Koller <kollix@aon.at>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "caldialog.h"
 #include "joydevice.h"
 
 #include <QApplication>
 #include <QDialogButtonBox>
 #include <QPushButton>
 #include <QTimer>
 #include <QVBoxLayout>
 
 #include <KLocalizedString>
 #include <KMessageBox>
 
 CalDialog::CalDialog(QWidget *parent, JoyDevice *joy)
     : QDialog(parent)
     , joydev(joy)
 {
     setObjectName(QStringLiteral("calibrateDialog"));
     setModal(true);
     setWindowTitle(i18n("Calibration"));
 
     QVBoxLayout *main = new QVBoxLayout(this);
     main->setSpacing(0);
 
     text = new QLabel(this);
     text->setMinimumHeight(200);
     valueLbl = new QLabel(this);
 
     main->addWidget(text);
     main->addWidget(valueLbl);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(this);
     buttonBox->addButton(QDialogButtonBox::Cancel);
     QPushButton *Next = buttonBox->addButton(i18n("Next"), QDialogButtonBox::ApplyRole);
     Next->setDefault(true);
     main->addWidget(buttonBox);
     setLayout(main);
 
     connect(Next, &QPushButton::clicked, this, &CalDialog::slotNext);
 }
 
 void CalDialog::calibrate()
 {
     text->setText(i18n("Please wait a moment to calculate the precision"));
     setResult(-1);
     show();
 
     // calibrate precision (which min,max delivers the joystick in its center position)
     // get values through the normal idle procedure
     QTimer ti;
     ti.setSingleShot(true); // single shot
     ti.start(2000); // in 2 seconds
 
     // normally I'd like to hide the 'Next' button in this step,
     // but it does not work - which means: in the steps after the first,
     // the 'Next' button does not have the focus (to be the default button)
 
     do {
         qApp->processEvents(QEventLoop::AllEvents, 2000);
     } while (ti.isActive() && (result() != QDialog::Rejected));
 
     if (result() == QDialog::Rejected)
         return; // user cancelled the dialog
 
     joydev->calcPrecision();
 
     int i, lastVal;
     int min[2], center[2], max[2];
     QString hint;
 
     for (i = 0; i < joydev->numAxes(); i++) {
         if (i == 0)
             hint = i18n("(usually X)");
         else if (i == 1)
             hint = i18n("(usually Y)");
         else
             hint = QString();
 
         // minimum position
         text->setText(
             i18n("<qt>Calibration is about to check the value range your device delivers.<br /><br />"
                  "Please move <b>axis %1 %2</b> on your device to the <b>minimum</b> position.<br /><br />"
                  "Press any button on the device or click on the 'Next' button "
                  "to continue with the next step.</qt>",
                  i + 1,
                  hint));
         waitButton(i, true, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user cancelled the dialog
 
         joydev->resetMinMax(i, lastVal);
         if (result() != -2)
             waitButton(i, false, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user cancelled the dialog
 
         min[0] = joydev->axisMin(i);
         min[1] = joydev->axisMax(i);
 
         // center position
         text->setText(
             i18n("<qt>Calibration is about to check the value range your device delivers.<br /><br />"
                  "Please move <b>axis %1 %2</b> on your device to the <b>center</b> position.<br /><br />"
                  "Press any button on the device or click on the 'Next' button "
                  "to continue with the next step.</qt>",
                  i + 1,
                  hint));
         waitButton(i, true, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user cancelled the dialog
 
         joydev->resetMinMax(i, lastVal);
         if (result() != -2)
             waitButton(i, false, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user canceled the dialog
 
         center[0] = joydev->axisMin(i);
         center[1] = joydev->axisMax(i);
 
         // maximum position
         text->setText(
             i18n("<qt>Calibration is about to check the value range your device delivers.<br /><br />"
                  "Please move <b>axis %1 %2</b> on your device to the <b>maximum</b> position.<br /><br />"
                  "Press any button on the device or click on the 'Next' button "
                  "to continue with the next step.</qt>",
                  i + 1,
                  hint));
         waitButton(i, true, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user cancelled the dialog
 
         joydev->resetMinMax(i, lastVal);
         if (result() != -2)
             waitButton(i, false, lastVal);
 
         if (result() == QDialog::Rejected)
             return; // user canceled the dialog
 
         max[0] = joydev->axisMin(i);
         max[1] = joydev->axisMax(i);
 
         joydev->calcCorrection(i, min, center, max);
     }
 
     JoyDevice::ErrorCode ret = joydev->applyCalibration();
 
     if (ret != JoyDevice::SUCCESS) {
         KMessageBox::error(this, joydev->errText(ret), i18n("Communication Error"));
         reject();
     }
 
     KMessageBox::information(this, i18n("You have successfully calibrated your device"), i18n("Calibration Success"));
     accept();
 }
 
 void CalDialog::waitButton(int axis, bool press, int &lastVal)
 {
     JoyDevice::EventType type;
     int number, value;
     bool button = false;
     lastVal = 0;
 
     setResult(-1);
     // loop until the user presses a button on the device or on the dialog
     do {
         qApp->processEvents(QEventLoop::AllEvents, 100);
 
         if (joydev->getEvent(type, number, value, true)) {
             button = ((type == JoyDevice::BUTTON) && (press ? (value == 1) : (value == 0)));
 
             if ((type == JoyDevice::AXIS) && (number == axis))
                 valueLbl->setText(i18n("Value Axis %1: %2", axis + 1, lastVal = value));
         }
     } while (!button && (result() == -1));
 }
 
 // Next button
 
 void CalDialog::slotNext()
 {
     setResult(-2);
 }