Kstars

timespinbox.cpp
1/*
2 SPDX-FileCopyrightText: 2002 Jason Harris <kstars@30doradus.org>
3
4 SPDX-License-Identifier: GPL-2.0-or-later
5*/
6
7#include "timespinbox.h"
8
9#include "kstars_debug.h"
10
11#include <KLocalizedString>
12
13#include <QDebug>
14#include <QLineEdit>
15
16#include <cmath>
17
18#define SECS_PER_DAY 86400.
19#define SIDEREAL_YEAR 31558149.77
20
21//Time steps:
22//0-9: 0 sec, 0.1, 0.25, 0.5, 1, 2, 5, 10, 20, 30 sec
23//10-14: 1 minute, 2, 5, 10, 15, 30 min
24//15-19: 1 hour, 2, 4, 6, 12 hours
25//20-23: 1 day, 2, 3, 5 days
26//24-26: 1 week, 2, 3 weeks
27//27-32: 1 month, 2, 3, 4, 6, 9 months
28//33-41: 1 year, 2, 3, 4, 5, 10, 25, 50, 100 years
29
30TimeSpinBox::TimeSpinBox(QWidget *parent, bool _daysonly) : QSpinBox(parent)
31{
32 setDaysOnly(_daysonly);
33
34 setMinimum(-41);
35 setMaximum(41);
36 setSingleStep(1);
37
38 setButtonSymbols(QSpinBox::PlusMinus);
39 lineEdit()->setReadOnly(true);
40 setValue(4); //1 second (real time)
41
42 //Set width:
43 QFontMetrics fm(font());
44 int extra = width() - lineEdit()->width();
45 uint wmax = 0;
46 for (int i = 0; i < maximum(); ++i)
47 {
48 uint w = fm.horizontalAdvance('-' + TimeString[i]);
49
50 if (w > wmax)
51 wmax = w;
52 }
53 setFixedWidth(wmax + extra);
54
55 connect(this, SIGNAL(valueChanged(int)), this, SLOT(reportChange()));
56 // updateDisplay();
57}
58
59void TimeSpinBox::setDaysOnly(bool daysonly)
60{
61 DaysOnly = daysonly;
62
63 int i = 0; //index for TimeScale values
64 TimeScale[0] = 0.0; // 0.0 sec
65 if (!daysOnly())
66 {
67 TimeScale[1] = 0.1; // 0.1 sec
68 TimeScale[2] = 0.25; // 0.25 sec
69 TimeScale[3] = 0.5; // 0.5 sec
70 TimeScale[4] = 1.0; // 1 sec (real-time)
71 TimeScale[5] = 2.0; // 2 sec
72 TimeScale[6] = 5.0; // 5 sec
73 TimeScale[7] = 10.0; // 10 sec
74 TimeScale[8] = 20.0; // 20 sec
75 TimeScale[9] = 30.0; // 30 sec
76 TimeScale[10] = 60.0; // 1 min
77 TimeScale[11] = 120.0; // 2 min
78 TimeScale[12] = 300.0; // 5 min
79 TimeScale[13] = 600.0; // 10 min
80 TimeScale[14] = 900.0; // 15 min
81 TimeScale[15] = 1800.0; // 30 min
82 TimeScale[16] = 3600.0; // 1 hr
83 TimeScale[17] = 7200.0; // 2 hr
84 TimeScale[18] = 10800.0; // 3 hr
85 TimeScale[19] = 21600.0; // 6 hr
86 TimeScale[20] = 43200.0; // 12 hr
87 i = 20;
88 }
89 TimeScale[i + 1] = 86164.1; // 23 hr 56 min
90 TimeScale[i + 2] = SECS_PER_DAY; // 1 day
91 TimeScale[i + 3] = 2. * SECS_PER_DAY; // 2 days
92 TimeScale[i + 4] = 3. * SECS_PER_DAY; // 3 days
93 TimeScale[i + 5] = 5. * SECS_PER_DAY; // 5 days
94 TimeScale[i + 6] = 7. * SECS_PER_DAY; // 1 week
95 TimeScale[i + 7] = 14. * SECS_PER_DAY; //2 weeks
96 TimeScale[i + 8] = 21. * SECS_PER_DAY; //3 weeks
97 //Months aren't a simple measurement of time; I'll just use fractions of a year
98 TimeScale[i + 9] = SIDEREAL_YEAR / 12.0; // 1 month
99 TimeScale[i + 10] = SIDEREAL_YEAR / 6.0; // 2 months
100 TimeScale[i + 11] = 0.25 * SIDEREAL_YEAR; // 3 months
101 TimeScale[i + 12] = SIDEREAL_YEAR / 3.0; // 4 months
102 TimeScale[i + 13] = 0.5 * SIDEREAL_YEAR; // 6 months
103 TimeScale[i + 14] = 0.75 * SIDEREAL_YEAR; // 9 months
104 TimeScale[i + 15] = SIDEREAL_YEAR; // 1 year
105 TimeScale[i + 16] = 2.0 * SIDEREAL_YEAR; // 2 years
106 TimeScale[i + 17] = 3.0 * SIDEREAL_YEAR; // 3 years
107 TimeScale[i + 18] = 5.0 * SIDEREAL_YEAR; // 5 years
108 TimeScale[i + 19] = 10.0 * SIDEREAL_YEAR; // 10 years
109 TimeScale[i + 20] = 25.0 * SIDEREAL_YEAR; // 25 years
110 TimeScale[i + 21] = 50.0 * SIDEREAL_YEAR; // 50 years
111 TimeScale[i + 22] = 100.0 * SIDEREAL_YEAR; // 100 years
112
113 TimeString.clear();
114 if (!daysOnly())
115 {
116 TimeString.append("0 " + i18nc("seconds", "secs"));
117 TimeString.append("0.1 " + i18nc("seconds", "secs"));
118 TimeString.append("0.25 " + i18nc("seconds", "secs"));
119 TimeString.append("0.5 " + i18nc("seconds", "secs"));
120 TimeString.append("1 " + i18nc("second", "sec"));
121 TimeString.append("2 " + i18nc("seconds", "secs"));
122 TimeString.append("5 " + i18nc("seconds", "secs"));
123 TimeString.append("10 " + i18nc("seconds", "secs"));
124 TimeString.append("20 " + i18nc("seconds", "secs"));
125 TimeString.append("30 " + i18nc("seconds", "secs"));
126 TimeString.append("1 " + i18nc("minute", "min"));
127 TimeString.append("2 " + i18nc("minutes", "mins"));
128 TimeString.append("5 " + i18nc("minutes", "mins"));
129 TimeString.append("10 " + i18nc("minutes", "mins"));
130 TimeString.append("15 " + i18nc("minutes", "mins"));
131 TimeString.append("30 " + i18nc("minutes", "mins"));
132 TimeString.append("1 " + i18n("hour"));
133 TimeString.append("2 " + i18nc("hours", "hrs"));
134 TimeString.append("3 " + i18nc("hours", "hrs"));
135 TimeString.append("6 " + i18nc("hours", "hrs"));
136 TimeString.append("12 " + i18nc("hours", "hrs"));
137 }
138 else
139 {
140 TimeString.append("0 " + i18n("days"));
141 }
142 TimeString.append("1 " + i18nc("sidereal day", "sid day"));
143 TimeString.append("1 " + i18n("day"));
144 TimeString.append("2 " + i18n("days"));
145 TimeString.append("3 " + i18n("days"));
146 TimeString.append("5 " + i18n("days"));
147 TimeString.append("1 " + i18n("week"));
148 TimeString.append("2 " + i18nc("weeks", "wks"));
149 TimeString.append("3 " + i18nc("weeks", "wks"));
150 TimeString.append("1 " + i18n("month"));
151 TimeString.append("2 " + i18nc("months", "mths"));
152 TimeString.append("3 " + i18nc("months", "mths"));
153 TimeString.append("4 " + i18nc("months", "mths"));
154 TimeString.append("6 " + i18nc("months", "mths"));
155 TimeString.append("9 " + i18nc("months", "mths"));
156 TimeString.append("1 " + i18n("year"));
157 TimeString.append("2 " + i18nc("years", "yrs"));
158 TimeString.append("3 " + i18nc("years", "yrs"));
159 TimeString.append("5 " + i18nc("years", "yrs"));
160 TimeString.append("10 " + i18nc("years", "yrs"));
161 TimeString.append("25 " + i18nc("years", "yrs"));
162 TimeString.append("50 " + i18nc("years", "yrs"));
163 TimeString.append("100 " + i18nc("years", "yrs"));
164
165 if (!daysOnly())
166 {
167 setMinimum(-41);
168 setMaximum(41);
169 }
170 else
171 {
172 setMinimum(-21);
173 setMaximum(21);
174 }
175}
176
177int TimeSpinBox::valueFromText(const QString &text) const
178{
179 for (int i = 0; i < TimeString.size(); i++)
180 {
181 if (text == TimeString[i])
182 {
183 return i;
184 }
185 if (text.mid(1, text.length()) == TimeString[i])
186 {
187 return -1 * i;
188 }
189 }
190
191 return 0;
192}
193
194QString TimeSpinBox::textFromValue(int value) const
195{
196 QString result;
197 int posval(abs(value));
198
199 if (posval > TimeString.size() - 1)
200 posval = 4;
201
202 result = TimeString[posval];
203
204 if (value < 0)
205 {
206 result = '-' + result;
207 }
208 return result;
209}
210
211void TimeSpinBox::changeScale(float x)
212{
213 //Pick the closest value
214 int imin = 0;
215 float dxlast(10000000000.0), dxmin(10000000000.0);
216
217 for (unsigned int i = 0; i < 42; ++i)
218 {
219 float dx = fabs(TimeScale[i] - fabs(x));
220
221 if (dx < dxmin)
222 {
223 imin = i;
224 dxmin = dx;
225 }
226 if (dx > dxlast)
227 break; //we have passed the minimum dx
228
229 dxlast = dx;
230 }
231
232 if (x < 0.0)
233 imin *= -1;
234 setValue(imin);
235}
236
237float TimeSpinBox::timeScale(void) const
238{
239 return value() > 0 ? TimeScale[value()] : -1. * TimeScale[abs(value())];
240}
241
242void TimeSpinBox::reportChange()
243{
244 qCDebug(KSTARS) << "Reporting new timestep value: " << timeScale();
245 emit scaleChanged(timeScale());
246}
TimeSpinBox::TimeSpinBox
TimeSpinBox(QWidget *parent, bool daysOnly=false)
Constructor.
Definition timespinbox.cpp:30
i18nc
QString i18nc(const char *context, const char *text, const TYPE &arg...)
i18n
QString i18n(const char *text, const TYPE &arg...)
QAbstractSpinBox::setButtonSymbols
void setButtonSymbols(ButtonSymbols bs)
QAbstractSpinBox::lineEdit
QLineEdit * lineEdit() const const
QAbstractSpinBox::text
text
QFontMetrics::horizontalAdvance
int horizontalAdvance(QChar ch) const const
QLineEdit::setReadOnly
void setReadOnly(bool)
QObject::connect
QMetaObject::Connection connect(const QObject *sender, PointerToMemberFunction signal, Functor functor)
QObject::parent
QObject * parent() const const
QSpinBox::QSpinBox
QSpinBox(QWidget *parent)
QSpinBox::setMaximum
void setMaximum(int max)
QSpinBox::setMinimum
void setMinimum(int min)
QSpinBox::setSingleStep
void setSingleStep(int val)
QSpinBox::setValue
void setValue(int val)
QSpinBox::valueChanged
void valueChanged(int i)
QWidget::QWidget
QWidget(QWidget *parent, Qt::WindowFlags f)
QWidget::setFixedWidth
void setFixedWidth(int w)
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