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Diffstat (limited to 'tdeui/kdatepicker.cpp')
| -rw-r--r-- | tdeui/kdatepicker.cpp | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/tdeui/kdatepicker.cpp b/tdeui/kdatepicker.cpp new file mode 100644 index 000000000..ab41fec15 --- /dev/null +++ b/tdeui/kdatepicker.cpp @@ -0,0 +1,549 @@ +/* -*- C++ -*- + This file is part of the KDE libraries + Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org) + (C) 1998-2001 Mirko Boehm (mirko@kde.org) + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include <tqlayout.h> +#include <tqframe.h> +#include <tqpainter.h> +#include <tqdialog.h> +#include <tqstyle.h> +#include <tqtoolbutton.h> +#include <tqcombobox.h> +#include <tqtooltip.h> +#include <tqfont.h> +#include <tqvalidator.h> +#include <tqpopupmenu.h> +#include <tqtimer.h> + +#include "kdatepicker.h" +#include <kglobal.h> +#include <kapplication.h> +#include <kdialog.h> +#include <klocale.h> +#include <kiconloader.h> +#include <ktoolbar.h> +#include <klineedit.h> +#include <kdebug.h> +#include <knotifyclient.h> +#include <kcalendarsystem.h> + +#include "kdatetbl.h" +#include "kdatepicker.moc" + +// Week numbers are defined by ISO 8601 +// See http://www.merlyn.demon.co.uk/weekinfo.htm for details + +class KDatePicker::KDatePickerPrivate +{ +public: + KDatePickerPrivate() : closeButton(0L), selectWeek(0L), todayButton(0), navigationLayout(0) {} + + void fillWeeksCombo(const TQDate &date); + + TQToolButton *closeButton; + TQComboBox *selectWeek; + TQToolButton *todayButton; + TQBoxLayout *navigationLayout; +}; + +void KDatePicker::fillWeeksCombo(const TQDate &date) +{ + // every year can have a different number of weeks + const KCalendarSystem * calendar = KGlobal::locale()->calendar(); + + // it could be that we had 53,1..52 and now 1..53 which is the same number but different + // so always fill with new values + + d->selectWeek->clear(); + + // We show all week numbers for all weeks between first day of year to last day of year + // This of course can be a list like 53,1,2..52 + + TQDate day; + int year = calendar->year(date); + calendar->setYMD(day, year, 1, 1); + int lastMonth = calendar->monthsInYear(day); + TQDate lastDay, firstDayOfLastMonth; + calendar->setYMD(firstDayOfLastMonth, year, lastMonth, 1); + calendar->setYMD(lastDay, year, lastMonth, calendar->daysInMonth(firstDayOfLastMonth)); + + for (; day <= lastDay ; day = calendar->addDays(day, 7 /*calendar->daysOfWeek()*/) ) + { + TQString week = i18n("Week %1").arg(calendar->weekNumber(day, &year)); + if ( year != calendar->year(day) ) week += "*"; // show that this is a week from a different year + d->selectWeek->insertItem(week); + + // make sure that the week of the lastDay is always inserted: in Chinese calendar + // system, this is not always the case + if(day < lastDay && day.daysTo(lastDay) < 7 && calendar->weekNumber(day) != calendar->weekNumber(lastDay)) + day = TQT_TQDATE_OBJECT(lastDay.addDays(-7)); + } +} + +KDatePicker::KDatePicker(TQWidget *parent, TQDate dt, const char *name) + : TQFrame(parent,name) +{ + init( dt ); +} + +KDatePicker::KDatePicker(TQWidget *parent, TQDate dt, const char *name, WFlags f) + : TQFrame(parent,name, f) +{ + init( dt ); +} + +KDatePicker::KDatePicker( TQWidget *parent, const char *name ) + : TQFrame(parent,name) +{ + init( TQDate::currentDate() ); +} + +void KDatePicker::init( const TQDate &dt ) +{ + d = new KDatePickerPrivate(); + + TQBoxLayout * topLayout = new TQVBoxLayout(this); + + d->navigationLayout = new TQHBoxLayout(topLayout); + d->navigationLayout->addStretch(); + yearBackward = new TQToolButton(this); + yearBackward->setAutoRaise(true); + d->navigationLayout->addWidget(yearBackward); + monthBackward = new TQToolButton(this); + monthBackward ->setAutoRaise(true); + d->navigationLayout->addWidget(monthBackward); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + + selectMonth = new TQToolButton(this); + selectMonth ->setAutoRaise(true); + d->navigationLayout->addWidget(selectMonth); + selectYear = new TQToolButton(this); + selectYear->setToggleButton(true); + selectYear->setAutoRaise(true); + d->navigationLayout->addWidget(selectYear); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + + monthForward = new TQToolButton(this); + monthForward ->setAutoRaise(true); + d->navigationLayout->addWidget(monthForward); + yearForward = new TQToolButton(this); + yearForward ->setAutoRaise(true); + d->navigationLayout->addWidget(yearForward); + d->navigationLayout->addStretch(); + + line = new KLineEdit(this); + val = new KDateValidator(this); + table = new KDateTable(this); + fontsize = KGlobalSettings::generalFont().pointSize(); + if (fontsize == -1) + fontsize = TQFontInfo(KGlobalSettings::generalFont()).pointSize(); + + fontsize++; // Make a little bigger + + d->selectWeek = new TQComboBox(false, this); // read only week selection + d->todayButton = new TQToolButton(this); + d->todayButton->setIconSet(SmallIconSet("today")); + + TQToolTip::add(yearForward, i18n("Next year")); + TQToolTip::add(yearBackward, i18n("Previous year")); + TQToolTip::add(monthForward, i18n("Next month")); + TQToolTip::add(monthBackward, i18n("Previous month")); + TQToolTip::add(d->selectWeek, i18n("Select a week")); + TQToolTip::add(selectMonth, i18n("Select a month")); + TQToolTip::add(selectYear, i18n("Select a year")); + TQToolTip::add(d->todayButton, i18n("Select the current day")); + + // ----- + setFontSize(fontsize); + line->setValidator(val); + line->installEventFilter( this ); + if ( TQApplication::reverseLayout() ) + { + yearForward->setIconSet(BarIconSet(TQString::tqfromLatin1("2leftarrow"))); + yearBackward->setIconSet(BarIconSet(TQString::tqfromLatin1("2rightarrow"))); + monthForward->setIconSet(BarIconSet(TQString::tqfromLatin1("1leftarrow"))); + monthBackward->setIconSet(BarIconSet(TQString::tqfromLatin1("1rightarrow"))); + } + else + { + yearForward->setIconSet(BarIconSet(TQString::tqfromLatin1("2rightarrow"))); + yearBackward->setIconSet(BarIconSet(TQString::tqfromLatin1("2leftarrow"))); + monthForward->setIconSet(BarIconSet(TQString::tqfromLatin1("1rightarrow"))); + monthBackward->setIconSet(BarIconSet(TQString::tqfromLatin1("1leftarrow"))); + } + connect(table, TQT_SIGNAL(dateChanged(TQDate)), TQT_SLOT(dateChangedSlot(TQDate))); + connect(table, TQT_SIGNAL(tableClicked()), TQT_SLOT(tableClickedSlot())); + connect(monthForward, TQT_SIGNAL(clicked()), TQT_SLOT(monthForwardClicked())); + connect(monthBackward, TQT_SIGNAL(clicked()), TQT_SLOT(monthBackwardClicked())); + connect(yearForward, TQT_SIGNAL(clicked()), TQT_SLOT(yearForwardClicked())); + connect(yearBackward, TQT_SIGNAL(clicked()), TQT_SLOT(yearBackwardClicked())); + connect(d->selectWeek, TQT_SIGNAL(activated(int)), TQT_SLOT(weekSelected(int))); + connect(d->todayButton, TQT_SIGNAL(clicked()), TQT_SLOT(todayButtonClicked())); + connect(selectMonth, TQT_SIGNAL(clicked()), TQT_SLOT(selectMonthClicked())); + connect(selectYear, TQT_SIGNAL(toggled(bool)), TQT_SLOT(selectYearClicked())); + connect(line, TQT_SIGNAL(returnPressed()), TQT_SLOT(lineEnterPressed())); + table->setFocus(); + + + topLayout->addWidget(table); + + TQBoxLayout * bottomLayout = new TQHBoxLayout(topLayout); + bottomLayout->addWidget(d->todayButton); + bottomLayout->addWidget(line); + bottomLayout->addWidget(d->selectWeek); + + table->setDate(dt); + dateChangedSlot(dt); // needed because table emits changed only when newDate != oldDate +} + +KDatePicker::~KDatePicker() +{ + delete d; +} + +bool +KDatePicker::eventFilter(TQObject *o, TQEvent *e ) +{ + if ( e->type() == TQEvent::KeyPress ) { + TQKeyEvent *k = (TQKeyEvent *)e; + + if ( (k->key() == TQt::Key_Prior) || + (k->key() == TQt::Key_Next) || + (k->key() == Qt::Key_Up) || + (k->key() == Qt::Key_Down) ) + { + TQApplication::sendEvent( table, e ); + table->setFocus(); + return true; // eat event + } + } + return TQFrame::eventFilter( o, e ); +} + +void +KDatePicker::resizeEvent(TQResizeEvent* e) +{ + TQWidget::resizeEvent(e); +} + +void +KDatePicker::dateChangedSlot(TQDate date) +{ + kdDebug(298) << "KDatePicker::dateChangedSlot: date changed (" << date.year() << "/" << date.month() << "/" << date.day() << ")." << endl; + + const KCalendarSystem * calendar = KGlobal::locale()->calendar(); + + line->setText(KGlobal::locale()->formatDate(date, true)); + selectMonth->setText(calendar->monthName(date, false)); + fillWeeksCombo(date); + + // calculate the item num in the week combo box; normalize selected day so as if 1.1. is the first day of the week + TQDate firstDay; + calendar->setYMD(firstDay, calendar->year(date), 1, 1); + d->selectWeek->setCurrentItem((calendar->dayOfYear(date) + calendar->dayOfWeek(firstDay) - 2) / 7/*calendar->daysInWeek()*/); + selectYear->setText(calendar->yearString(date, false)); + + emit(dateChanged(date)); +} + +void +KDatePicker::tableClickedSlot() +{ + kdDebug(298) << "KDatePicker::tableClickedSlot: table clicked." << endl; + emit(dateSelected(table->getDate())); + emit(tableClicked()); +} + +const TQDate& +KDatePicker::getDate() const +{ + return table->getDate(); +} + +const TQDate & +KDatePicker::date() const +{ + return table->getDate(); +} + +bool +KDatePicker::setDate(const TQDate& date) +{ + if(date.isValid()) + { + table->setDate(date); // this also emits dateChanged() which then calls our dateChangedSlot() + return true; + } + else + { + kdDebug(298) << "KDatePicker::setDate: refusing to set invalid date." << endl; + return false; + } +} + +void +KDatePicker::monthForwardClicked() +{ + TQDate temp; + temp = KGlobal::locale()->calendar()->addMonths( table->getDate(), 1 ); + + setDate( temp ); +} + +void +KDatePicker::monthBackwardClicked() +{ + TQDate temp; + temp = KGlobal::locale()->calendar()->addMonths( table->getDate(), -1 ); + + setDate( temp ); +} + +void +KDatePicker::yearForwardClicked() +{ + TQDate temp; + temp = KGlobal::locale()->calendar()->addYears( table->getDate(), 1 ); + + setDate( temp ); +} + +void +KDatePicker::yearBackwardClicked() +{ + TQDate temp; + temp = KGlobal::locale()->calendar()->addYears( table->getDate(), -1 ); + + setDate( temp ); +} + +void KDatePicker::selectWeekClicked() {} // ### in 3.2 obsolete; kept for binary compatibility + +void +KDatePicker::weekSelected(int week) +{ + const KCalendarSystem * calendar = KGlobal::locale()->calendar(); + + TQDate date = table->getDate(); + int year = calendar->year(date); + + calendar->setYMD(date, year, 1, 1); // first day of selected year + + // calculate the first day in the selected week (day 1 is first day of week) + date = calendar->addDays(date, week * 7/*calendar->daysOfWeek()*/ -calendar->dayOfWeek(date) + 1); + + setDate(date); +} + +void +KDatePicker::selectMonthClicked() +{ + // every year can have different month names (in some calendar systems) + const KCalendarSystem * calendar = KGlobal::locale()->calendar(); + TQDate date = table->getDate(); + int i, month, months = calendar->monthsInYear(date); + + TQPopupMenu popup(selectMonth); + + for (i = 1; i <= months; i++) + popup.insertItem(calendar->monthName(i, calendar->year(date)), i); + + popup.setActiveItem(calendar->month(date) - 1); + + if ( (month = popup.exec(selectMonth->mapToGlobal(TQPoint(0, 0)), calendar->month(date) - 1)) == -1 ) return; // canceled + + int day = calendar->day(date); + // ----- construct a valid date in this month: + calendar->setYMD(date, calendar->year(date), month, 1); + date = TQT_TQDATE_OBJECT(date.addDays(QMIN(day, calendar->daysInMonth(date)) - 1)); + // ----- set this month + setDate(date); +} + +void +KDatePicker::selectYearClicked() +{ + const KCalendarSystem * calendar = KGlobal::locale()->calendar(); + + if (selectYear->state() == TQButton::Off) + { + return; + } + + int year; + KPopupFrame* popup = new KPopupFrame(this); + KDateInternalYearSelector* picker = new KDateInternalYearSelector(popup); + // ----- + picker->resize(picker->tqsizeHint()); + picker->setYear( table->getDate().year() ); + picker->selectAll(); + popup->setMainWidget(picker); + connect(picker, TQT_SIGNAL(closeMe(int)), popup, TQT_SLOT(close(int))); + picker->setFocus(); + if(popup->exec(selectYear->mapToGlobal(TQPoint(0, selectMonth->height())))) + { + TQDate date; + int day; + // ----- + year=picker->getYear(); + date=table->getDate(); + day=calendar->day(date); + // ----- construct a valid date in this month: + //date.setYMD(year, date.month(), 1); + //date.setYMD(year, date.month(), QMIN(day, date.daysInMonth())); + calendar->setYMD(date, year, calendar->month(date), + QMIN(day, calendar->daysInMonth(date))); + // ----- set this month + setDate(date); + } else { + KNotifyClient::beep(); + } + + delete popup; + TQTimer::singleShot(0, this, TQT_SLOT(ensureSelectYearIsUp())); +} + +void +KDatePicker::ensureSelectYearIsUp() +{ + if (!selectYear->isDown()) + { + selectYear->setOn( false ); + } +} + +void +KDatePicker::setEnabled(bool enable) +{ + TQWidget *widgets[]= { + yearForward, yearBackward, monthForward, monthBackward, + selectMonth, selectYear, + line, table, d->selectWeek, d->todayButton }; + const int Size=sizeof(widgets)/sizeof(widgets[0]); + int count; + // ----- + for(count=0; count<Size; ++count) + { + widgets[count]->setEnabled(enable); + } +} + +void +KDatePicker::lineEnterPressed() +{ + TQDate temp; + // ----- + if(val->date(line->text(), temp)==TQValidator::Acceptable) + { + kdDebug(298) << "KDatePicker::lineEnterPressed: valid date entered." << endl; + emit(dateEntered(temp)); + setDate(temp); + } else { + KNotifyClient::beep(); + kdDebug(298) << "KDatePicker::lineEnterPressed: invalid date entered." << endl; + } +} + +void +KDatePicker::todayButtonClicked() +{ + setDate(TQDate::currentDate()); +} + +TQSize +KDatePicker::tqsizeHint() const +{ + return TQWidget::tqsizeHint(); +} + +void +KDatePicker::setFontSize(int s) +{ + TQWidget *buttons[]= { + // yearBackward, + // monthBackward, + selectMonth, + selectYear, + // monthForward, + // yearForward + }; + const int NoOfButtons=sizeof(buttons)/sizeof(buttons[0]); + int count; + TQFont font; + TQRect r; + // ----- + fontsize=s; + for(count=0; count<NoOfButtons; ++count) + { + font=buttons[count]->font(); + font.setPointSize(s); + buttons[count]->setFont(font); + } + TQFontMetrics metrics(selectMonth->fontMetrics()); + + for (int i = 1; ; ++i) + { + TQString str = KGlobal::locale()->calendar()->monthName(i, + KGlobal::locale()->calendar()->year(table->getDate()), false); + if (str.isNull()) break; + r=metrics.boundingRect(str); + maxMonthRect.setWidth(QMAX(r.width(), maxMonthRect.width())); + maxMonthRect.setHeight(QMAX(r.height(), maxMonthRect.height())); + } + + TQSize metricBound = tqstyle().tqsizeFromContents(TQStyle::CT_ToolButton, + selectMonth, + maxMonthRect); + selectMonth->setMinimumSize(metricBound); + + table->setFontSize(s); +} + +void +KDatePicker::setCloseButton( bool enable ) +{ + if ( enable == (d->closeButton != 0L) ) + return; + + if ( enable ) { + d->closeButton = new TQToolButton( this ); + d->closeButton->setAutoRaise(true); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + d->navigationLayout->addWidget(d->closeButton); + TQToolTip::add(d->closeButton, i18n("Close")); + d->closeButton->setPixmap( SmallIcon("remove") ); + connect( d->closeButton, TQT_SIGNAL( clicked() ), + tqtopLevelWidget(), TQT_SLOT( close() ) ); + } + else { + delete d->closeButton; + d->closeButton = 0L; + } + + updateGeometry(); +} + +bool KDatePicker::hasCloseButton() const +{ + return (d->closeButton); +} + +void KDatePicker::virtual_hook( int /*id*/, void* /*data*/ ) +{ /*BASE::virtual_hook( id, data );*/ } + |