/*
	File                 : ColorMapsDialog.cpp
	Project              : LabPlot
	Description          : dialog showing the available color maps
	--------------------------------------------------------------------
    SPDX-FileCopyrightText: 2021 Alexander Semke <alexander.semke@web.de>
    SPDX-License-Identifier: GPL-2.0-or-later
*/


#include "ColorMapsDialog.h"
#include "kdefrontend/colormaps/ColorMapsWidget.h"

#include <QDialogButtonBox>
#include <QWindow>

#include <KConfigGroup>
#include <KSharedConfig>
#include <KWindowConfig>

/*!
	\class ColorMapsDialog
	\brief Dialog showing the available color maps. Embeds \c ColorMapsWidget and provides the standard buttons.

	\ingroup kdefrontend
 */
ColorMapsDialog::ColorMapsDialog(QWidget* parent) : QDialog(parent),
	m_colorMapsWidget(new ColorMapsWidget(this)) {

	connect(m_colorMapsWidget, &ColorMapsWidget::doubleClicked, this, &QDialog::accept);

	auto* layout = new QVBoxLayout(this);
	layout->addWidget(m_colorMapsWidget);

	//dialog buttons
	auto* buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok |QDialogButtonBox::Cancel);
	layout->addWidget(buttonBox);

	connect(buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
	connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);

	setWindowTitle(i18nc("@title:window", "Color Maps Browser"));
	setWindowIcon(QIcon::fromTheme("color-management"));
	create();

	QApplication::processEvents(QEventLoop::AllEvents, 0);

	KConfigGroup conf(KSharedConfig::openConfig(), "ColorMapsDialog");
	if (conf.exists()) {
		KWindowConfig::restoreWindowSize(windowHandle(), conf);
		resize(windowHandle()->size());
	} else
		resize(QSize(0, 0).expandedTo(minimumSize()));
}

ColorMapsDialog::~ColorMapsDialog() {
	KConfigGroup conf(KSharedConfig::openConfig(), "ColorMapsDialog");
	KWindowConfig::saveWindowSize(windowHandle(), conf);
}

QPixmap ColorMapsDialog::previewPixmap() const {
	return m_colorMapsWidget->previewPixmap();
}

QString ColorMapsDialog::name() const {
	return m_colorMapsWidget->name();
}

QVector<QColor> ColorMapsDialog::colors() const {
	return m_colorMapsWidget->colors();
}
