#include <kapp.h>
#include <kconfig.h>
#include <klocale.h>

#include <qlayout.h>
#include <qcheckbox.h>
#include <qhbox.h>
#include <qvgroupbox.h>
#include <qlabel.h>
#include <qpushbutton.h>
#include <qspinbox.h>

#include "optiondialog.h"

ConfigureDialog::ConfigureDialog(QWidget *parent, char *name, bool modal)
	: KDialogBase(KDialogBase::TreeList, i18n("Configure"), Apply | Ok | Cancel, Ok, parent, name, modal)
{
	setHelp("mathemagics/index.html", QString::null);

	QFrame *DisplayPage = addPage(i18n("Display"));
	QVBoxLayout *dBox = new QVBoxLayout(DisplayPage, marginHint(), spacingHint());

	QVGroupBox *numBox = new QVGroupBox(i18n("Numbers"), DisplayPage);
	dBox->addWidget(numBox);

	QHBox *pBox = new QHBox(numBox);
	pBox->setSpacing(spacingHint());
	NumBoxLabel = new QLabel(i18n("Display precision:"), pBox);
	PrecNumBox = new QSpinBox(1, 30, 3, pBox);

	FixedCheckBox = new QCheckBox(i18n("&Fixed precision"), numBox);
	ShowPeriodCheckBox = new QCheckBox(i18n("Always &show decimal point"), numBox);

	QHBox *sBox = new QHBox(DisplayPage);
	dBox->addWidget(sBox);
	sBox->setSpacing(spacingHint());
	NumBoxLabel = new QLabel(i18n("Visible stack levels:"), sBox);
	NumLevelsNumBox = new QSpinBox(1, 40, 1, sBox);

	BeepBox = new QCheckBox(i18n("&Beep on error"), DisplayPage);
	dBox->addWidget(BeepBox);

	QFrame *HistoryPage = addPage(i18n("History"));
	QVBoxLayout *histBox = new QVBoxLayout(HistoryPage, marginHint(), spacingHint());

	QHBoxLayout *hBox = new QHBoxLayout(histBox, spacingHint());

	HistDepthBox = new QSpinBox(0, 40, 5, HistoryPage);
	HistoryLabel = new QLabel(HistDepthBox, i18n("History &depth:"), HistoryPage);
	hBox->addWidget(HistoryLabel);
	hBox->addWidget(HistDepthBox);

	ClearHistoryButton = new QPushButton(i18n("C&lear History"), HistoryPage);
	connect(ClearHistoryButton, SIGNAL(clicked()), this, SIGNAL(clearHistory()));
	histBox->addWidget(ClearHistoryButton);
	histBox->addStretch();

	HistDetailCheckBox = new QCheckBox(i18n("Show &base and angle"), HistoryPage);
	histBox->addWidget(HistDetailCheckBox);


	QFrame *StackPage = addPage(i18n("Stack"));
	QVBoxLayout *stackBox = new QVBoxLayout(StackPage, marginHint(), spacingHint());

	SaveStackCheckBox = new QCheckBox(i18n("&Save stack on quit"), StackPage);
	stackBox->addWidget(SaveStackCheckBox);

	DelDrops = new QCheckBox(i18n("&Backspace drops on line-entry"), StackPage);
	stackBox->addWidget(DelDrops);

	connect(this, SIGNAL(cancelClicked()), this, SLOT(readConfig()));

	readConfig();
}

ConfigureDialog::~ConfigureDialog()
{
}

void ConfigureDialog::readConfig()
{
	kapp->config()->setGroup("App");
	PrecNumBox->setValue(kapp->config()->readNumEntry("formatPrec", 8));
	NumLevelsNumBox->setValue(kapp->config()->readNumEntry("numStackLevels", 12));
	BeepBox->setChecked(kapp->config()->readBoolEntry("beep", true));
	HistDepthBox->setValue(kapp->config()->readNumEntry("histNum", 15));
	ShowPeriodCheckBox->setChecked(kapp->config()->readBoolEntry("showPeriod", false));
	FixedCheckBox->setChecked(kapp->config()->readBoolEntry("fixedPrec", false));
	SaveStackCheckBox->setChecked(kapp->config()->readBoolEntry("saveStack", true));
	DelDrops->setChecked(kapp->config()->readBoolEntry("delDrops", true));
	HistDetailCheckBox->setChecked(kapp->config()->readBoolEntry("histDetail", false));
}

void ConfigureDialog::writeConfig()
{
	kapp->config()->setGroup("App");
	kapp->config()->writeEntry("formatPrec", PrecNumBox->value());
	kapp->config()->writeEntry("numStackLevels", NumLevelsNumBox->value());
	kapp->config()->writeEntry("beep", BeepBox->isChecked());
	kapp->config()->writeEntry("histNum", HistDepthBox->value());
	kapp->config()->writeEntry("showPeriod", ShowPeriodCheckBox->isChecked());
	kapp->config()->writeEntry("fixedPrec", FixedCheckBox->isChecked());
	kapp->config()->writeEntry("saveStack", SaveStackCheckBox->isChecked());
	kapp->config()->writeEntry("delDrops", DelDrops->isChecked());
	kapp->config()->writeEntry("histDetail", HistDetailCheckBox->isChecked());
}

void ConfigureDialog::slotOk()
{
	slotApply();
	accept();
}

void ConfigureDialog::slotApply()
{
	writeConfig();
	emit valueChanged();
}

#include "optiondialog.moc"