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/***************************************************************************
timespinbox.cpp - description
-------------------
begin : Sun Mar 31 2002
copyright : (C) 2002 by Jason Harris
email : kstars@30doradus.org
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
//Time steps:
//0-9: 0 sec, 0.1, 0.25, 0.5, 1, 2, 5, 10, 20, 30 sec
//10-14: 1 minute, 2, 5, 10, 15, 30 min
//15-19: 1 hour, 2, 4, 6, 12 hours
//20-23: 1 day, 2, 3, 5 days
//24-26: 1 week, 2, 3 weeks
//27-32: 1 month, 2, 3, 4, 6, 9 months
//33-41: 1 year, 2, 3, 4, 5, 10, 25, 50, 100 years
#include <qlineedit.h>
#include <qfontmetrics.h>
#include <kdebug.h>
#include <klocale.h>
#include <stdlib.h>
#include <math.h>
#include "timespinbox.h"
#define SECS_PER_DAY 86400.
#define SIDEREAL_YEAR 31558149.77
#define TROPICAL_YEAR 31556925.19
TimeSpinBox::TimeSpinBox( QWidget *parent, const char *name, bool _daysonly )
: QSpinBox ( -41, 41, 1 /* step */, parent, name )
{
setValidator( 0 );
setButtonSymbols( QSpinBox::PlusMinus );
editor()->setReadOnly( true );
setValue( 4 ); //1 second (real time)
setDaysOnly( _daysonly );
//Set width:
QFontMetrics fm( font() );
int extra = width() - editor()->width();
uint wmax = 0;
for ( int i=0; i < maxValue(); ++i ) {
uint w = fm.width( "-" + TimeString[i] );
if ( w > wmax ) wmax = w;
}
setFixedWidth( wmax + extra );
connect( this, SIGNAL( valueChanged( int ) ), this, SLOT( reportChange() ) );
updateDisplay();
}
void TimeSpinBox::setDaysOnly( bool daysonly ) {
DaysOnly = daysonly;
int i=0; //index for TimeScale values
TimeScale[0] = 0.0; // 0.0 sec
if ( ! daysOnly() ) {
TimeScale[1] = 0.1; // 0.1 sec
TimeScale[2] = 0.25; // 0.25 sec
TimeScale[3] = 0.5; // 0.5 sec
TimeScale[4] = 1.0; // 1 sec (real-time)
TimeScale[5] = 2.0; // 2 sec
TimeScale[6] = 5.0; // 5 sec
TimeScale[7] = 10.0; // 10 sec
TimeScale[8] = 20.0; // 20 sec
TimeScale[9] = 30.0; // 30 sec
TimeScale[10] = 60.0; // 1 min
TimeScale[11] = 120.0; // 2 min
TimeScale[12] = 300.0; // 5 min
TimeScale[13] = 600.0; // 10 min
TimeScale[14] = 900.0; // 15 min
TimeScale[15] = 1800.0; // 30 min
TimeScale[16] = 3600.0; // 1 hr
TimeScale[17] = 7200.0; // 2 hr
TimeScale[18] = 10800.0; // 3 hr
TimeScale[19] = 21600.0; // 6 hr
TimeScale[20] = 43200.0; // 12 hr
setMinValue( -41 );
setMaxValue( 41 );
i = 20;
} else {
setMinValue( -21 );
setMaxValue( 21 );
}
TimeScale[i+1] = SECS_PER_DAY; // 1 day
TimeScale[i+2] = 2.*SECS_PER_DAY; // 2 days
TimeScale[i+3] = 3.*SECS_PER_DAY; // 3 days
TimeScale[i+4] = 5.*SECS_PER_DAY; // 5 days
TimeScale[i+5] = 7.*SECS_PER_DAY; // 1 week
TimeScale[i+6] = 14.*SECS_PER_DAY; //2 weeks
TimeScale[i+7] = 21.*SECS_PER_DAY; //3 weeks
//Months aren't a simple measurement of time; I'll just use fractions of a year
TimeScale[i+8] = SIDEREAL_YEAR/12.0; // 1 month
TimeScale[i+9] = SIDEREAL_YEAR/6.0; // 2 months
TimeScale[i+10] = 0.25*SIDEREAL_YEAR; // 3 months
TimeScale[i+11] = SIDEREAL_YEAR/3.0; // 4 months
TimeScale[i+12] = 0.5*SIDEREAL_YEAR; // 6 months
TimeScale[i+13] = 0.75*SIDEREAL_YEAR; // 9 months
TimeScale[i+14] = SIDEREAL_YEAR; // 1 year
TimeScale[i+15] = 2.0*SIDEREAL_YEAR; // 2 years
TimeScale[i+16] = 3.0*SIDEREAL_YEAR; // 3 years
TimeScale[i+17] = 5.0*SIDEREAL_YEAR; // 5 years
TimeScale[i+18] = 10.0*SIDEREAL_YEAR; // 10 years
TimeScale[i+19] = 25.0*SIDEREAL_YEAR; // 25 years
TimeScale[i+20] = 50.0*SIDEREAL_YEAR; // 50 years
TimeScale[i+21] = 100.0*SIDEREAL_YEAR; // 100 years
TimeString.clear();
if ( ! daysOnly() ) {
TimeString.append( "0 " + i18n( "seconds", "secs" ));
TimeString.append( "0.1 " + i18n( "seconds", "secs" ));
TimeString.append( "0.25 " + i18n( "seconds", "secs" ));
TimeString.append( "0.5 " + i18n( "seconds", "secs" ));
TimeString.append( "1 " + i18n( "second", "sec" ));
TimeString.append( "2 " + i18n( "seconds", "secs" ));
TimeString.append( "5 " + i18n( "seconds", "secs" ));
TimeString.append( "10 " + i18n( "seconds", "secs" ));
TimeString.append( "20 " + i18n( "seconds", "secs" ));
TimeString.append( "30 " + i18n( "seconds", "secs" ));
TimeString.append( "1 " + i18n( "minute", "min" ));
TimeString.append( "2 " + i18n( "minutes", "mins" ));
TimeString.append( "5 " + i18n( "minutes", "mins" ));
TimeString.append( "10 " + i18n( "minutes", "mins" ));
TimeString.append( "15 " + i18n( "minutes", "mins" ));
TimeString.append( "30 " + i18n( "minutes", "mins" ));
TimeString.append( "1 " + i18n( "hour" ));
TimeString.append( "2 " + i18n( "hours", "hrs" ));
TimeString.append( "3 " + i18n( "hours", "hrs" ));
TimeString.append( "6 " + i18n( "hours", "hrs" ));
TimeString.append( "12 " + i18n( "hours", "hrs" ));
} else {
TimeString.append( "0 " + i18n( "days" ));
}
TimeString.append( "1 " + i18n( "day" ));
TimeString.append( "2 " + i18n( "days" ));
TimeString.append( "3 " + i18n( "days" ));
TimeString.append( "5 " + i18n( "days" ));
TimeString.append( "1 " + i18n( "week" ));
TimeString.append( "2 " + i18n( "weeks", "wks" ));
TimeString.append( "3 " + i18n( "weeks", "wks" ));
TimeString.append( "1 " + i18n( "month" ));
TimeString.append( "2 " + i18n( "months", "mths" ));
TimeString.append( "3 " + i18n( "months", "mths" ));
TimeString.append( "4 " + i18n( "months", "mths" ));
TimeString.append( "6 " + i18n( "months", "mths" ));
TimeString.append( "9 " + i18n( "months", "mths" ));
TimeString.append( "1 " + i18n( "year" ));
TimeString.append( "2 " + i18n( "years", "yrs" ));
TimeString.append( "3 " + i18n( "years", "yrs" ));
TimeString.append( "5 " + i18n( "years", "yrs" ));
TimeString.append( "10 " + i18n( "years", "yrs" ));
TimeString.append( "25 " + i18n( "years", "yrs" ));
TimeString.append( "50 " + i18n( "years", "yrs" ));
TimeString.append( "100 " + i18n( "years", "yrs" ));
}
int TimeSpinBox::mapTextToValue( bool *ok ) {
*ok = true;
for ( unsigned int i=0; i<42; ++i ) {
if ( text() == TimeString[i] ) { return i; }
if ( text().mid(1,text().length()) == TimeString[i] ) { return -1*i; }
}
*ok = false;
return 0;
}
QString TimeSpinBox::mapValueToText( int value ) {
QString neg("-"), result;
int posval( abs( value ) );
result = TimeString[ posval ];
if ( value<0 ) { result = "-" + result; }
return result;
}
void TimeSpinBox::changeScale( float x ) {
//Pick the closest value
int imin = 0;
float dx, dxlast(10000000000.0), dxmin(10000000000.0);
for ( unsigned int i=0; i<42; ++i ) {
dx = fabs( TimeScale[i] - fabs(x) );
if ( dx < dxmin ) { imin = i; dxmin = dx; }
if ( dx > dxlast ) break; //we have passed the minimum dx
dxlast = dx;
}
if ( x < 0.0 ) imin *= -1;
setValue( imin );
}
float TimeSpinBox::timeScale( void ) const {
return value() > 0 ? TimeScale[ value() ] : -1.*TimeScale[ abs(value()) ];
}
void TimeSpinBox::reportChange() {
kdDebug() << i18n( "Reporting new timestep value: " ) << timeScale() << endl;
emit scaleChanged( timeScale() );
}
#include "timespinbox.moc"
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