/*
 *  OpenSCAD (www.openscad.at)
 *  Copyright (C) 2009  Clifford Wolf <clifford@clifford.at>
 *
 *  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.
 *
 *  This program 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 General Public License for more details.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "Preferences.h"

#include <QFontDatabase>
#include <QKeyEvent>

Preferences *Preferences::instance = NULL;

Preferences::Preferences(QWidget *parent) : QMainWindow(parent)
{
	setupUi(this);

	// Toolbar
	QActionGroup *group = new QActionGroup(this);
	group->addAction(prefsAction3DView);
	group->addAction(prefsActionEditor);
	group->addAction(prefsActionAdvanced);
	connect(group, SIGNAL(triggered(QAction*)), this, SLOT(actionTriggered(QAction*)));

	prefsAction3DView->setChecked(true);
	this->actionTriggered(this->prefsAction3DView);

	// 3D View pane
	this->colorscheme = this->colorSchemeChooser->item(0)->text();
	this->colorschemes["Cornfield"][BACKGROUND_COLOR] = QColor(0xff, 0xff, 0xe5);
	this->colorschemes["Cornfield"][OPENCSG_FACE_FRONT_COLOR] = QColor(0xf9, 0xd7, 0x2c);
	this->colorschemes["Cornfield"][OPENCSG_FACE_BACK_COLOR] = QColor(0x9d, 0xcb, 0x51);
	this->colorschemes["Cornfield"][CGAL_FACE_FRONT_COLOR] = QColor(0xf9, 0xd7, 0x2c);
	this->colorschemes["Cornfield"][CGAL_FACE_BACK_COLOR] = QColor(0x9d, 0xcb, 0x51);
	this->colorschemes["Cornfield"][CGAL_FACE_2D_COLOR] = QColor(0x00, 0xbf, 0x99);
	this->colorschemes["Cornfield"][CGAL_EDGE_FRONT_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Cornfield"][CGAL_EDGE_BACK_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Cornfield"][CGAL_EDGE_2D_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Cornfield"][CROSSHAIR_COLOR] = QColor(0x80, 0x00, 0x00);

	this->colorschemes["Metallic"][BACKGROUND_COLOR] = QColor(0xaa, 0xaa, 0xff);
	this->colorschemes["Metallic"][OPENCSG_FACE_FRONT_COLOR] = QColor(0xdd, 0xdd, 0xff);
	this->colorschemes["Metallic"][OPENCSG_FACE_BACK_COLOR] = QColor(0xdd, 0x22, 0xdd);
	this->colorschemes["Metallic"][CGAL_FACE_FRONT_COLOR] = QColor(0xdd, 0xdd, 0xff);
	this->colorschemes["Metallic"][CGAL_FACE_BACK_COLOR] = QColor(0xdd, 0x22, 0xdd);
	this->colorschemes["Metallic"][CGAL_FACE_2D_COLOR] = QColor(0x00, 0xbf, 0x99);
	this->colorschemes["Metallic"][CGAL_EDGE_FRONT_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Metallic"][CGAL_EDGE_BACK_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Metallic"][CGAL_EDGE_2D_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Metallic"][CROSSHAIR_COLOR] = QColor(0x80, 0x00, 0x00);

	this->colorschemes["Sunset"][BACKGROUND_COLOR] = QColor(0xaa, 0x44, 0x44);
	this->colorschemes["Sunset"][OPENCSG_FACE_FRONT_COLOR] = QColor(0xff, 0xaa, 0xaa);
	this->colorschemes["Sunset"][OPENCSG_FACE_BACK_COLOR] = QColor(0x88, 0x22, 0x33);
	this->colorschemes["Sunset"][CGAL_FACE_FRONT_COLOR] = QColor(0xff, 0xaa, 0xaa);
	this->colorschemes["Sunset"][CGAL_FACE_BACK_COLOR] = QColor(0x88, 0x22, 0x33);
	this->colorschemes["Sunset"][CGAL_FACE_2D_COLOR] = QColor(0x00, 0xbf, 0x99);
	this->colorschemes["Sunset"][CGAL_EDGE_FRONT_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Sunset"][CGAL_EDGE_BACK_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Sunset"][CGAL_EDGE_2D_COLOR] = QColor(0xff, 0x00, 0x00);
	this->colorschemes["Sunset"][CROSSHAIR_COLOR] = QColor(0x80, 0x00, 0x00);

	connect(this->colorSchemeChooser, SIGNAL(itemSelectionChanged()),
					this, SLOT(colorSchemeChanged()));

	// Editor pane
	QFontDatabase db;
	foreach(int size, db.standardSizes()) {
		this->fontSize->addItem(QString::number(size));
	}
	this->fontSize->setCurrentIndex(this->fontSize->findText(QString::number(12)));
	fontFamilyChanged(this->fontChooser->currentText());
	fontSizeChanged(this->fontSize->currentText());

	connect(this->fontChooser, SIGNAL(activated(const QString &)),
					this, SLOT(fontFamilyChanged(const QString &)));
	connect(this->fontSize, SIGNAL(activated(const QString &)),
					this, SLOT(fontSizeChanged(const QString &)));
}

Preferences::~Preferences()
{
}

void
Preferences::actionTriggered(QAction *action)
{
	if (action == this->prefsAction3DView) {
		this->stackedWidget->setCurrentWidget(this->page3DView);
	}
	else if (action == this->prefsActionEditor) {
		this->stackedWidget->setCurrentWidget(this->pageEditor);
	}
	else if (action == this->prefsActionAdvanced) {
		this->stackedWidget->setCurrentWidget(this->pageAdvanced);
	}
}

void Preferences::colorSchemeChanged()
{
	this->colorscheme = this->colorSchemeChooser->currentItem()->text();
	emit requestRedraw();
}

const QColor &Preferences::color(RenderColor idx)
{
	return this->colorschemes[this->colorscheme][idx];
}

void Preferences::fontFamilyChanged(const QString &family)
{
	this->fontfamily = family;
	emit fontChanged(this->fontfamily, this->fontsize);
}

void Preferences::fontSizeChanged(const QString &size)
{
	this->fontsize = size.toUInt();
	emit fontChanged(this->fontfamily, this->fontsize);
}

void Preferences::keyPressEvent(QKeyEvent *e)
{
#ifdef Q_WS_MAC
	if (e->modifiers() == Qt::ControlModifier && e->key() == Qt::Key_Period) {
		close();
	} else
#endif
		if (e->modifiers() == Qt::ControlModifier && e->key() == Qt::Key_W ||
				e->key() == Qt::Key_Escape) {
			close();
		}
}