/*
 * Qt UI
 *
 * Copyright (C) 2014 Samsung Electronics Co., Ltd. All rights reserved.
 *
 * Contact:
 * GiWoong Kim <giwoong.kim@samsung.com>
 * SeokYeon Hwang <syeon.hwang@samsung.com>
 * Sangho Park <sangho.p@samsung.com>
 * Stanislav Vorobiov
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 *
 * Contributors:
 * - S-Core Co., Ltd
 *
 */

#include "displayswwidget.h"
#include "input/multitouchtracker.h"

extern "C" {
#include "emul_state.h"
};

DisplaySWWidget::DisplaySWWidget(QWidget *parent,
    DisplayType *displayForm, QSize resolution, qreal scaleFactor) :
    QLabel(parent), DisplayBase(displayForm, resolution, scaleFactor, this)
{
    /* fill the screen with black(with full alpha) surface */
    QPixmap initImage(
        displayForm->getRect().width() * scaleFactor,
        displayForm->getRect().height() * scaleFactor);
    initImage.fill(QColor(0, 0, 0, 255));
    setPixmap(initImage);
    /* to be enable to drop events */
    setAcceptDrops(true);
}

void DisplaySWWidget::drawMtPoints(QPainter &painter)
{
    MultiTouchTracker *mtTracker = getTouchScreenHelper()->getMtTracker();
    QList<TouchPoint *> pointList = mtTracker->getTouchPointList();
    TouchPoint *point = NULL;

    for (int i = 0; i < pointList.count(); i++) {
        point = pointList.at(i);
        if (point != NULL) {
            painter.drawImage(
                point->getHostPos().x() - mtTracker->getPointRadius(),
                point->getHostPos().y() - mtTracker->getPointRadius(),
                mtTracker->getPointImage());
        }
    }
}

/* override */
void DisplaySWWidget::paintEvent(QPaintEvent *event)
{
    QLabel::paintEvent(event);
    handlePaint();

    if (isTsEnabled == true) {
        /* draw multi-touch points */
        QPainter painter(this);
        drawMtPoints(painter);
    }
}

/* override */
void DisplaySWWidget::dragEnterEvent(QDragEnterEvent *event)
{
    handleDragEnterEvent(event);
}

/* override */
void DisplaySWWidget::dropEvent(QDropEvent *event)
{
    handleDropEvent(event);
}

/* override */
void DisplaySWWidget::resizeEvent(QResizeEvent *event)
{
    QLabel::resizeEvent(event);
    handleResize();

    repaint();
}

/* override */
void DisplaySWWidget::mousePressEvent(QMouseEvent *event)
{
    handleMousePress(event);

    if (isMovingMode() == true) {
        /* do nothing */
        return;
    }
}

/* override */
void DisplaySWWidget::mouseReleaseEvent(QMouseEvent *event)
{
    handleMouseRelease(event);

    if (isMovingMode() == true) {
        /* do nothing */
        return;
    }
}

/* override */
void DisplaySWWidget::mouseMoveEvent(QMouseEvent *event)
{
    handleMouseMove(event);

    if (isMovingMode() == true) {
        /* do nothing */
        return;
    }
}

/* override */
void DisplaySWWidget::enterEvent(QEvent *event)
{
    handleMouseEnter(event);

    if (isMovingMode() == true) {
        /* do nothing */
        return;
    }
}

/* override */
void DisplaySWWidget::leaveEvent(QEvent *event)
{
    handleMouseLeave(event);

    if (isMovingMode() == true) {
        /* do nothing */
        return;
    }
}

DisplaySWWidget::~DisplaySWWidget()
{
    /* do nothing */
}