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456 lines
13 KiB
456 lines
13 KiB
//
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// ui.h extension file, included from the uic-generated form implementation.
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//
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// If you wish to add, delete or rename functions or slots use
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// TQt Designer which will update this file, preserving your code. Create an
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// init() function in place of a constructor, and a destroy() function in
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// place of a destructor.
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//
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/* This file is part of the KDE project
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Copyright (C) 2004 - 2006 Dag Andersen <danders@get2net.dk>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation;
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version 2 of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <kdebug.h>
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#include <tdeglobal.h>
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#include <tdelocale.h>
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#include <cmath>
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namespace KPlato
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{
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/**
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* This structure describes one of the fields shown.
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*/
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struct FieldDescriptor
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{
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// Which field is to my left, and what conversion factor separates us?
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TQLineEdit *left;
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double leftScale;
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// Which field am I, and how am I formatted?
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TQLineEdit *current;
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const char *format;
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// Which field is to my right, and what conversion factor separates us?
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TQLineEdit *right;
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double rightScale;
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// If I am hidden, who else hides with me?
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TQLabel *separator;
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// Used for calculating a correct duration
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double fullScale;
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double scale;
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// Used for displaying a unit behind each field
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TQLabel *unit;
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};
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#define setField(f, l, ls, c, fmt, r, rs, s, fs, sc, u) \
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do \
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{ \
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m_fields[f].left = l; \
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m_fields[f].leftScale = ls; \
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m_fields[f].current = c; \
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m_fields[f].format = fmt; \
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m_fields[f].right = r; \
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m_fields[f].rightScale = rs; \
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m_fields[f].separator = s; \
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m_fields[f].fullScale = fs; \
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m_fields[f].scale = sc; \
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m_fields[f].unit = u; \
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} while (0)
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void DurationWidget::init()
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{
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// Use the user's decimal point!
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m_decimalPoint = TDEGlobal::locale()->decimalSymbol();
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//NOTE:
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// This isn't as flexible/general as Shaheed once made it.
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// It's now a long list of hacks.
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// Introducing double in scales and allowing leftscale/scale/rightscale
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// *NOT* to be multiples of each other increases the complexity and also
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// introduces rounding errors. (eg. hour = 60 minutes, day = 7,5 hours)
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//
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// If you know how, please make a better solution!
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//
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// Any field can be entered as an integer or a floating point value. Whatever
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// is entered is treated as follows:
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//
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// - any fractional part is moved right one field
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//
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// - any overflow from the integer part is carried left one field
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//
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// and the process repeated until the rightmost and leftmost fields are reached.
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TQRegExp re(TQString("\\d{1,10}|\\d{1,7}\\") + m_decimalPoint +
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TQString("\\d{0,10}|\\d{0,7}\\") + m_decimalPoint +
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TQString("\\d{1,3}"));
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m_validator = new TQRegExpValidator(re, this);
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m_ddd->setValidator(m_validator);
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m_hh->setValidator(m_validator);
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m_mm->setValidator(m_validator);
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m_ss->setValidator(m_validator);
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m_ms->setValidator(m_validator);
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m_ddUnit->hide();
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m_hhUnit->hide();
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m_mmUnit->hide();
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m_ssUnit->hide();
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m_msUnit->hide();
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m_fields = new FieldDescriptor[5];
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setField(0, NULL, 0, m_ddd, "%u", m_hh, 24, m_hhSpace, 24, 24, m_ddUnit);
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setField(1, m_ddd, 24, m_hh, "%02u", m_mm, 60, m_mmColon, 60, 60, m_hhUnit);
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setField(2, m_hh, 60, m_mm, "%02u", m_ss, 60, NULL, 60, 60, m_mmUnit);
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setField(3, m_mm, 60, m_ss, "%02u", m_ms, 1000, m_ssColon, 60, 60, m_ssUnit);
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setField(4, m_ss, 1000, m_ms, "%03u", NULL, 0, m_dot, 1000, 1000, m_msUnit);
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}
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void DurationWidget::destroy()
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{
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delete m_fields;
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//delete m_validator; //TQWidget takes care of this
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}
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TQ_INT64 DurationWidget::setValueMilliseconds(TQ_INT64 milliseconds)
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{
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unsigned sc = (unsigned)m_fields[4].leftScale;
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TQ_INT64 secs = milliseconds / sc;
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TQ_INT64 ms = milliseconds % sc;
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TQString tmp;
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tmp.sprintf(m_fields[4].format, ms);
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m_fields[4].current->setText(tmp);
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return secs;
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}
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TQ_INT64 DurationWidget::setValueSeconds(TQ_INT64 seconds)
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{
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unsigned sc = (unsigned)m_fields[3].leftScale;
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TQ_INT64 mins = seconds / sc;
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TQ_INT64 s = seconds % sc;
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TQString tmp;
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tmp.sprintf(m_fields[3].format, s);
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m_fields[3].current->setText(tmp);
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return mins;
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}
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TQ_INT64 DurationWidget::setValueMinutes(TQ_INT64 mins)
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{
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unsigned sc = (unsigned)m_fields[2].leftScale;
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TQ_INT64 hours = mins / sc;
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TQ_INT64 m = mins % sc;
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TQString tmp;
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tmp.sprintf(m_fields[2].format, m);
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m_fields[2].current->setText(tmp);
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return hours;
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}
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// NOTE: Input is minutes and also returns minutes!
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TQ_INT64 DurationWidget::setValueHours(TQ_INT64 mins)
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{
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if (m_fields[1].current->isHidden())
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return mins;
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unsigned sc = (unsigned)m_fields[1].rightScale;
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TQ_INT64 hours = (TQ_INT64)(mins / sc);
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TQ_INT64 m = mins - (TQ_INT64)(hours * sc);
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//kdDebug()<<k_funcinfo<<"mins="<<mins<<" -> hours="<<hours<<" rem="<<m<<endl;
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TQString tmp;
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tmp.sprintf(m_fields[1].format, hours);
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m_fields[1].current->setText(tmp);
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return m;
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}
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// NOTE: Input is minutes and also returns minutes!
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TQ_INT64 DurationWidget::setValueDays(TQ_INT64 mins)
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{
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if (m_fields[0].current->isHidden())
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return mins;
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double sc = m_fields[1].rightScale * m_fields[0].rightScale;
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TQ_INT64 days = (TQ_INT64)(mins / sc);
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TQ_INT64 m = mins - (TQ_INT64)(days * sc);
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//kdDebug()<<k_funcinfo<<"mins="<<mins<<" -> days="<<days<<" rem="<<m<<endl;
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TQString tmp;
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tmp.sprintf(m_fields[0].format, days);
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m_fields[0].current->setText(tmp);
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return m;
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}
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void DurationWidget::setValue(const KPlato::Duration &newDuration)
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{
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TQ_INT64 value = newDuration.milliseconds();
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//kdDebug()<<k_funcinfo<<f<<": value="<<value<<endl;
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value = setValueMilliseconds(value); // returns seconds
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value = setValueSeconds(value); // returns minutes
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// Now call days first to allow for fractional scales
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value = setValueDays(value); // NOTE returns minutes
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value = setValueHours(value); // NOTE returns minutes
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value = setValueMinutes(value); // returns hours: Should be 0
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if (value > 0) kdError()<<k_funcinfo<<"Remainder > 0: "<<value<<endl;
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emit valueChanged();
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}
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Duration DurationWidget::value() const
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{
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Duration d;
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int i=0;
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if (!m_fields[i].current->isHidden() &&
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m_fields[i].scale > 0 &&
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m_fields[i].scale <= m_fields[i].fullScale)
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{
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double v = m_fields[i].current->text().toDouble();
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v = v * m_fields[i].scale / m_fields[i].fullScale;;
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d.addMilliseconds((TQ_INT64)(v*(1000*60*60*24)));
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}
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++i;
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if (!m_fields[i].current->isHidden() &&
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m_fields[i].scale > 0 &&
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m_fields[i].scale <= m_fields[i].fullScale)
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{
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double v = m_fields[i].current->text().toDouble();
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v = v * m_fields[i].scale / m_fields[i].fullScale;;
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d.addMilliseconds((TQ_INT64)(v*(1000*60*60)));
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}
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++i;
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if (!m_fields[i].current->isHidden() &&
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m_fields[i].scale > 0 &&
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m_fields[i].scale <= m_fields[i].fullScale)
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{
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double v = m_fields[i].current->text().toDouble();
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v = v * m_fields[i].scale / m_fields[i].fullScale;;
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d.addMilliseconds((TQ_INT64)(v*(1000*60)));
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}
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++i;
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if (!m_fields[i].current->isHidden() &&
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m_fields[i].scale > 0 &&
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m_fields[i].scale <= m_fields[i].fullScale)
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{
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double v = m_fields[i].current->text().toDouble();
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v = v * m_fields[i].scale / m_fields[i].fullScale;;
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d.addMilliseconds((TQ_INT64)(v*(1000)));
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}
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++i;
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if (!m_fields[i].current->isHidden())
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{
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TQ_INT64 v = m_fields[i].current->text().toUInt();
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d.addMilliseconds(v);
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}
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return d;
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}
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void DurationWidget::dddLostFocus()
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{
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handleLostFocus(0);
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emit valueChanged();
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}
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void DurationWidget::hhLostFocus( )
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{
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handleLostFocus(1);
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emit valueChanged();
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}
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void DurationWidget::mmLostFocus()
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{
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handleLostFocus(2);
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emit valueChanged();
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}
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void DurationWidget::ssLostFocus()
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{
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handleLostFocus(3);
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emit valueChanged();
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}
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void DurationWidget::msLostFocus()
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{
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handleLostFocus(4);
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emit valueChanged();
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}
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void DurationWidget::handleLostFocus(
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int field)
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{
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// Get our own info, and that of our left and right neighbours.
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TQLineEdit *left = m_fields[field].left;
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double leftScale = m_fields[field].leftScale;
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const char *leftFormat = left ? m_fields[field - 1].format : NULL;
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TQLineEdit *current = m_fields[field].current;
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const char *currentFormat = m_fields[field].format;
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TQLineEdit *right = m_fields[field].right;
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double rightScale = m_fields[field].rightScale;
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const char *rightFormat = right ? m_fields[field + 1].format : NULL;
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// avoid possible crash
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if (leftScale == 0)
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leftScale = 1;
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// Get the text and start processing...
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TQString newValue(current->text());
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double v = TDEGlobal::locale()->readNumber(newValue);
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unsigned currentValue = 0;
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TQString tmp;
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//kdDebug()<<k_funcinfo<<field<<": value="<<v<<" v="<<v<<endl;
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if (left && v >= leftScale)
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{
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//kdDebug()<<k_funcinfo<<field<<": value="<<v<<" leftScale="<<leftScale<<endl;
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// Carry overflow, recurse as required.
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tmp.sprintf(leftFormat, (unsigned)(v / leftScale));
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left->setText(tmp);
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handleLostFocus(field - 1);
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// Get remainder.
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v = v - (tmp.toUInt() * leftScale);
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newValue = TDEGlobal::locale()->formatNumber(v);
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}
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int point = newValue.find(m_decimalPoint);
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if (point != -1)
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{
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//HACK doubles may be rounded(at fractions > 6 digits on my system)
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int p;
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double frac = fraction(newValue, &p);
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if (right && frac > 0.0)
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{
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//kdDebug()<<k_funcinfo<<field<<": value="<<newValue<<" rightScale="<<rightScale<<" frac="<<frac<<" ("<<newValue.mid(point)<<")"<<endl;
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// Propagate fraction
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v = rightScale * (frac*power(10.0, -p));
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frac = fraction(TDEGlobal::locale()->formatNumber(v, 19), 0);
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//kdDebug()<<k_funcinfo<<field<<": v="<<v<<" ("<<(unsigned)v<<") rest="<<frac<<endl;
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if (frac > 0.0)
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{
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tmp = TDEGlobal::locale()->formatNumber(v, 19);
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right->setText(tmp);
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handleLostFocus(field + 1);
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} else {
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tmp.sprintf(rightFormat, (unsigned)(v));
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right->setText(tmp);
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}
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}
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// TODO keep fraction for last shown field
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newValue = newValue.left(point);
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}
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currentValue = newValue.toUInt();
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tmp.sprintf(currentFormat, currentValue);
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current->setText(tmp);
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}
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// Set which fields are visible.
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void DurationWidget::setVisibleFields( int fieldMask )
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{
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int i;
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for (i = 0; i < 5; i++)
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{
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bool visible = ((fieldMask >> i) & 1) == 1;
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// Set the visibility of the fields, and of any associated separator.
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if (visible)
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{
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m_fields[i].current->show();
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if (m_fields[i].separator)
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{
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m_fields[i].separator->show();
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}
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if (m_fields[i].unit)
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{
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m_fields[i].unit->show();
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}
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}
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else
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{
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m_fields[i].current->hide();
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if (m_fields[i].separator)
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{
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m_fields[i].separator->hide();
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}
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if (m_fields[i].unit)
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{
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m_fields[i].unit->hide();
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}
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}
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}
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}
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// Retreive the visible fields.
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int DurationWidget::visibleFields()
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{
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int i;
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int fieldMask = 0;
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for (i = 0; i < 5; i++)
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{
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if (m_fields[i].current->isHidden())
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{
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fieldMask |= (1 << i);
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}
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}
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return fieldMask;
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}
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void DurationWidget::setFieldLeftscale(int f, double ls)
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{
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m_fields[f].leftScale = ls;
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}
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void DurationWidget::setFieldRightscale(int f, double rs)
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{
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m_fields[f].rightScale = rs;
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}
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void DurationWidget::setFieldScale(int f, double scale)
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{
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m_fields[f].scale = scale;
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}
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void DurationWidget::setFieldUnit(int f, TQString unit)
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{
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if (m_fields[f].unit)
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{
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m_fields[f].unit->setText(unit);
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}
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}
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double DurationWidget::power(double m, int e) {
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int c = e > 0 ? e : -e;
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double value = 1;
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for (int i=0; i < c; ++i) {
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value = e > 0 ? value * m : value / m;
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}
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return value;
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}
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double DurationWidget::fraction(TQString number, int *exp) {
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int point = number.find(m_decimalPoint);
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if (point == -1) {
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return 0.0;
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}
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TQString v;
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if (exp) {
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v = number.mid(point+m_decimalPoint.length());
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*exp = v.length();
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} else {
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v = number.mid(point);
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}
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return TDEGlobal::locale()->readNumber(v);
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}
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} //KPlato namespace
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