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Diffstat (limited to 'kstars/kstars/timespinbox.cpp')
| -rw-r--r-- | kstars/kstars/timespinbox.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/kstars/kstars/timespinbox.cpp b/kstars/kstars/timespinbox.cpp new file mode 100644 index 00000000..dcf721f5 --- /dev/null +++ b/kstars/kstars/timespinbox.cpp @@ -0,0 +1,213 @@ +/*************************************************************************** + 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" |