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/***************************************************************************
* Copyright (C) 2003 by Martin Koller *
* m.koller@surfeu.at *
* This file is part of the KDE Control Center Module for Joysticks *
* *
* 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 "caldialog.h"
#include "joydevice.h"
#include <qlabel.h>
#include <qtimer.h>
#include <qapplication.h>
#include <qvbox.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kdebug.h>
//--------------------------------------------------------------
CalDialog::CalDialog(QWidget *parent, JoyDevice *joy)
: KDialogBase(parent, "calibrateDialog", true,
i18n("Calibration"),
KDialogBase::Cancel|KDialogBase::User1, KDialogBase::User1, true, KGuiItem(i18n("Next"))),
joydev(joy)
{
QVBox *main = makeVBoxMainWidget();
text = new QLabel(main);
text->setMinimumHeight(200);
valueLbl = new QLabel(main);
}
//--------------------------------------------------------------
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.start(2000, true); // single shot 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(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 = "";
// 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>").arg(i+1).arg(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>").arg(i+1).arg(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
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>").arg(i+1).arg(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
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(100);
if ( joydev->getEvent(type, number, value) )
{
button = ( (type == JoyDevice::BUTTON) && (press ? (value == 1) : (value == 0)) );
if ( (type == JoyDevice::AXIS) && (number == axis) )
valueLbl->setText(i18n("Value Axis %1: %2").arg(axis+1).arg(lastVal = value));
}
}
while ( !button && (result() == -1) );
}
//--------------------------------------------------------------
// Next button
void CalDialog::slotUser1()
{
setResult(-2);
}
//--------------------------------------------------------------
#include "caldialog.moc"
//--------------------------------------------------------------
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