/***************************************************************************
 *                                                                         *
 *   DrawPad - a drawing program for Opie Environment                      *
 *                                                                         *
 *   (C) 2002 by S. Prud'homme <prudhomme@laposte.net>                     *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "colorpanel.h"

#include <qlayout.h>
#include <qpainter.h>

ColorPanelButton::ColorPanelButton(const QColor& color, QWidget* parent, const char* name)
    : QFrame(parent, name)
{
    m_color = color;

    setFixedSize(16, 16);
    setFrameStyle(NoFrame);
}

ColorPanelButton::~ColorPanelButton()
{
}

void ColorPanelButton::enterEvent(QEvent* e)
{
    Q_UNUSED(e)

    setFrameStyle(Panel | Sunken);
}

void ColorPanelButton::leaveEvent(QEvent* e)
{
    Q_UNUSED(e)

    setFrameStyle(NoFrame);
}

void ColorPanelButton::paintEvent(QPaintEvent* e)
{
    QFrame::paintEvent(e);

    QPainter painter;
    painter.begin(this);
    painter.fillRect(2, 2, 12, 12, m_color);
    painter.setPen(Qt::black);
    painter.drawRect(2, 2, 12, 12);
    painter.end();
}

void ColorPanelButton::mouseReleaseEvent(QMouseEvent* e)
{
    Q_UNUSED(e)

    emit selected(m_color);
}

ColorPanel::ColorPanel(QWidget* parent, const char* name)
    : QWidget(parent, name)
{
    m_pGridLayout = new QGridLayout(this, 5, 6);

    addColor(QColor(255, 255, 255), 0, 1);
    addColor(QColor(192, 192, 192), 0, 2);
    addColor(QColor(128, 128, 128), 0, 3);
    addColor(QColor(64, 64, 64), 0, 4);
    addColor(QColor(0, 0, 0), 0, 5);

    addColor(QColor(255, 0, 0), 1, 0);
    addColor(QColor(255, 128, 0), 1, 1);
    addColor(QColor(255, 255, 0), 1, 2);
    addColor(QColor(128, 255, 0), 1, 3);
    addColor(QColor(0, 255, 0), 1, 4);
    addColor(QColor(0, 255, 128), 1, 5);

    addColor(QColor(128, 0, 0), 2, 0);
    addColor(QColor(128, 64, 0), 2, 1);
    addColor(QColor(128, 128, 0), 2, 2);
    addColor(QColor(64, 128, 0), 2, 3);
    addColor(QColor(0, 128, 0), 2, 4);
    addColor(QColor(0, 128, 64), 2, 5);

    addColor(QColor(0, 255, 255), 3, 0);
    addColor(QColor(0, 128, 255), 3, 1);
    addColor(QColor(0, 0, 255), 3, 2);
    addColor(QColor(128, 0, 255), 3, 3);
    addColor(QColor(255, 0, 255), 3, 4);
    addColor(QColor(255, 0, 128), 3, 5);

    addColor(QColor(0, 128, 128), 4, 0);
    addColor(QColor(0, 64, 128), 4, 1);
    addColor(QColor(0, 0, 128), 4, 2);
    addColor(QColor(64, 0, 128), 4, 3);
    addColor(QColor(128, 0, 128), 4, 4);
    addColor(QColor(128, 0, 64), 4, 5);
}

ColorPanel::~ColorPanel()
{
}

void ColorPanel::addColor(const QColor& color, int row, int col)
{
    ColorPanelButton* panelButton = new ColorPanelButton(color, this);
    connect(panelButton, SIGNAL(selected(const QColor&)), this, SLOT(buttonSelected(const QColor&)));

    m_pGridLayout->addWidget(panelButton, row, col);
}

void ColorPanel::buttonSelected(const QColor& color)
{
    emit colorSelected(color);
}