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Diffstat (limited to 'knode/knrangefilter.cpp')
| -rw-r--r-- | knode/knrangefilter.cpp | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/knode/knrangefilter.cpp b/knode/knrangefilter.cpp new file mode 100644 index 00000000..bfa02110 --- /dev/null +++ b/knode/knrangefilter.cpp @@ -0,0 +1,228 @@ +/* + knrangefilter.cpp + + KNode, the KDE newsreader + Copyright (c) 1999-2001 the KNode authors. + See file AUTHORS for details + + 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. + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US +*/ + +#include <qlabel.h> +#include <qlayout.h> +#include <qcheckbox.h> +#include <qcombobox.h> + +#include <ksimpleconfig.h> +#include <knuminput.h> + +#include "knrangefilter.h" + + +bool KNRangeFilter::doFilter(int a) +{ + bool ret=true; + if(enabled) { + switch (op1) { + case gt: + case gtoeq: + if (op2 != dis) + ret=( matchesOp(val1,op1,a) && matchesOp(a,op2,val2) ); + else + ret = matchesOp(val1,op1,a); + break; + case eq: + case lt: + case ltoeq: + ret = matchesOp(val1,op1,a); + break; + default: + ret = false; + } + } + + return ret; +} + + + +bool KNRangeFilter::matchesOp(int v1, Op o, int v2) +{ + bool ret=false; + + switch(o) { + case eq: ret=(v1==v2); break; + case gt: ret=(v1<v2); break; + case gtoeq: ret=(v1<=v2); break; + case ltoeq: ret=(v1>=v2); break; + case lt: ret=(v1>v2); break; + default: ret=false; break; + }; + + return ret; +} + + + +void KNRangeFilter::load(KSimpleConfig *conf) +{ + enabled=conf->readBoolEntry("enabled", false); + val1=conf->readNumEntry("val1",0); + op1=(Op) conf->readNumEntry("op1",0); + val2=conf->readNumEntry("val2",0); + op2=(Op) conf->readNumEntry("op2",0); +} + + + +void KNRangeFilter::save(KSimpleConfig *conf) +{ + conf->writeEntry("enabled", enabled); + conf->writeEntry("val1", val1); + conf->writeEntry("op1", (int)op1); + conf->writeEntry("op2", (int)op2); + conf->writeEntry("val2", val2); +} + + + + +//===================================================================================== +//===================================================================================== + +KNRangeFilterWidget::KNRangeFilterWidget(const QString& value, int min, int max, QWidget* parent, const QString &unit) + : QGroupBox(value, parent) +{ + enabled=new QCheckBox(this); + + val1=new KIntSpinBox(min, max, 1, min, 10, this); + val1->setSuffix(unit); + val2=new KIntSpinBox(min, max, 1, min, 10, this); + val2->setSuffix(unit); + + op1=new QComboBox(this); + op1->insertItem("<"); + op1->insertItem("<="); + op1->insertItem("="); + op1->insertItem(">="); + op1->insertItem(">"); + op2=new QComboBox(this); + op2->insertItem(""); + op2->insertItem("<"); + op2->insertItem("<="); + + des=new QLabel(value, this); + des->setAlignment(AlignCenter); + + QGridLayout *topL=new QGridLayout(this, 2,6, 8,5 ); + + topL->addRowSpacing(0, fontMetrics().lineSpacing()-4); + topL->addWidget(enabled,1,0, Qt::AlignHCenter); + topL->addColSpacing(0, 30); + topL->addWidget(val1,1,1); + topL->addWidget(op1,1,2); + topL->addWidget(des,1,3); + topL->addColSpacing(3, 45); + topL->addWidget(op2,1,4); + topL->addWidget(val2,1,5); + topL->setColStretch(1,1); + topL->setColStretch(5,1); + + connect(op1, SIGNAL(activated(int)), SLOT(slotOp1Changed(int))); + connect(op2, SIGNAL(activated(int)), SLOT(slotOp2Changed(int))); + connect(enabled, SIGNAL(toggled(bool)), SLOT(slotEnabled(bool))); + + slotEnabled(false); +} + + + +KNRangeFilterWidget::~KNRangeFilterWidget() +{ +} + + + +KNRangeFilter KNRangeFilterWidget::filter() +{ + KNRangeFilter r; + r.val1=val1->value(); + r.val2=val2->value(); + + r.op1=(KNRangeFilter::Op) op1->currentItem(); + if (op2->currentText().isEmpty()) + r.op2=KNRangeFilter::dis; + else if (op2->currentText()=="<") + r.op2=KNRangeFilter::gt; + else if (op2->currentText()=="<=") + r.op2=KNRangeFilter::gtoeq; + + r.enabled=enabled->isChecked(); + + return r; +} + + + +void KNRangeFilterWidget::setFilter(KNRangeFilter &f) +{ + val1->setValue(f.val1); + val2->setValue(f.val2); + + op1->setCurrentItem((int)f.op1); + if (f.op2 == KNRangeFilter::dis) + op2->setCurrentItem(0); + else if (f.op2 == KNRangeFilter::gt) + op2->setCurrentItem(1); + else if (f.op2 == KNRangeFilter::gtoeq) + op2->setCurrentItem(2); + + enabled->setChecked(f.enabled); +} + + + +void KNRangeFilterWidget::clear() +{ + val1->setValue(val1->minValue()); + val2->setValue(val2->minValue()); + enabled->setChecked(false); +} + + + +void KNRangeFilterWidget::slotOp1Changed(int id) +{ + bool state = (op1->isEnabled() && (id<2)); + op2->setEnabled(state); + des->setEnabled(state); + slotOp2Changed(op2->currentItem()); +} + + + +void KNRangeFilterWidget::slotOp2Changed(int id) +{ + val2->setEnabled(op1->isEnabled() && (op1->currentItem()<2) && (id>0)); +} + + + +void KNRangeFilterWidget::slotEnabled(bool e) +{ + op1->setEnabled(e); + val1->setEnabled(e); + des->setEnabled(e); + slotOp1Changed(op1->currentItem()); +} + +// ----------------------------------------------------------------------------- + +#include "knrangefilter.moc" + |