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473/****************************************************************************
**
** Copyright (C) 2007~2013 Colin Willcocks.
** Copyright (C) 2005~2007 Uco Mesdag.
** All rights reserved.
** This file is part of "GR-55B FloorBoard".
**
** 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.
**
****************************************************************************/
#include "customGraphicEQGraph.h"
//#include <QMessageBox>
#include <QPainter>
#include <QMouseEvent>
customGraphicEQGraph::customGraphicEQGraph (QWidget *parent) : poly(13), m_iDragNode(-1)
{
QFrame::setFrameShape(QFrame::Panel);
QFrame::setFrameShadow(QFrame::Sunken);
}
customGraphicEQGraph::~customGraphicEQGraph (void)
{
}
void customGraphicEQGraph::setBand_1 ( unsigned short iBand_1 )
{
if (iBand_1 > 24) iBand_1 = 24;
if (m_iBand_1 != iBand_1) {
m_iBand_1 = iBand_1;
update();
emit Band_1Changed(Band_1());
};
}
unsigned short customGraphicEQGraph::Band_1 (void) const
{
return m_iBand_1;
}
void customGraphicEQGraph::setBand_2 ( unsigned short iBand_2 )
{
if (iBand_2 > 24) iBand_2 = 24;
if (m_iBand_2 != iBand_2) {
m_iBand_2 = iBand_2;
update();
emit Band_2Changed(Band_2());
};
}
unsigned short customGraphicEQGraph::Band_2 (void) const
{
return m_iBand_2;
}
void customGraphicEQGraph::setBand_3 ( unsigned short iBand_3 )
{
if (iBand_3 > 24) iBand_3 = 24;
if (m_iBand_3 != iBand_3) {
m_iBand_3 = iBand_3;
update();
emit Band_3Changed(Band_3());
};
}
unsigned short customGraphicEQGraph::Band_3 (void) const
{
return m_iBand_3;
}
void customGraphicEQGraph::setBand_4 ( unsigned short iBand_4 )
{
if (iBand_4 > 24) iBand_4 = 24;
if (m_iBand_4 != iBand_4) {
m_iBand_4 = iBand_4;
update();
emit Band_4Changed(Band_4());
}
}
unsigned short customGraphicEQGraph::Band_4 (void) const
{
return m_iBand_4;
}
void customGraphicEQGraph::setBand_5 ( unsigned short iBand_5 )
{
if (iBand_5 > 24) iBand_5 = 24;
if (m_iBand_5 != iBand_5) {
m_iBand_5 = iBand_5;
update();
emit Band_5Changed(Band_5());
}
}
unsigned short customGraphicEQGraph::Band_5 (void) const
{
return m_iBand_5;
}
void customGraphicEQGraph::setBand_6 ( unsigned short iBand_6 )
{
if (iBand_6 > 24) iBand_6 = 24;
if (m_iBand_6 != iBand_6) {
m_iBand_6 = iBand_6;
update();
emit Band_6Changed(Band_6());
}
}
unsigned short customGraphicEQGraph::Band_6 (void) const
{
return m_iBand_6;
}
void customGraphicEQGraph::setBand_7 ( unsigned short iBand_7 )
{
if (iBand_7 > 24) iBand_7 = 24;
if (m_iBand_7 != iBand_7) {
m_iBand_7 = iBand_7;
update();
emit Band_7Changed(Band_7());
}
}
unsigned short customGraphicEQGraph::Band_7 (void) const
{
return m_iBand_7;
}
void customGraphicEQGraph::setBand_8 ( unsigned short iBand_8 )
{
if (iBand_8 > 24) iBand_8 = 24;
if (m_iBand_8 != iBand_8) {
m_iBand_8 = iBand_8;
update();
emit Band_8Changed(Band_8());
}
}
unsigned short customGraphicEQGraph::Band_8 (void) const
{
return m_iBand_8;
}
void customGraphicEQGraph::setBand_9 ( unsigned short iBand_9 )
{
if (iBand_9 > 24) iBand_9 = 24;
if (m_iBand_9 != iBand_9) {
m_iBand_9 = iBand_9;
update();
emit Band_9Changed(Band_9());
};
}
unsigned short customGraphicEQGraph::Band_9 (void) const
{
return m_iBand_9;
}
void customGraphicEQGraph::setBand_10 ( unsigned short iBand_10 )
{
if (iBand_10 > 24) iBand_10 = 24;
if (m_iBand_10 != iBand_10) {
m_iBand_10 = iBand_10;
update();
emit Band_10Changed(Band_10());
};
}
unsigned short customGraphicEQGraph::Band_10 (void) const
{
return m_iBand_10;
}
void customGraphicEQGraph::setLevel ( unsigned short iLevel )
{
if (iLevel > 24) iLevel = 24;
if (m_iLevel != iLevel) {
m_iLevel = iLevel;
update();
emit LevelChanged(Level());
};
}
unsigned short customGraphicEQGraph::Level (void) const
{
return m_iLevel;
}
void customGraphicEQGraph::paintEvent ( QPaintEvent *pPaintEvent )
{
QPixmap image = QPixmap(":images/EQ_graph.png");
QRectF target(0.0, 0.0, image.width()*85/100, image.height()*43/100);
QRectF source(0.0, 0.0, image.width(), image.height());
QPainter painter(this);
painter.drawPixmap(target, image, source);
int h = height();
int w = width();
int b1 = h - (m_iBand_1*4) - 25;
int b2 = h - (m_iBand_2*4) - 25;
int b3 = h - (m_iBand_3*4) - 25;
int b4 = h - (m_iBand_4*4) - 25;
int b5 = h - (m_iBand_5*4) - 25;
int b6 = h - (m_iBand_6*4) - 25;
int b7 = h - (m_iBand_7*4) - 25;
int b8 = h - (m_iBand_8*4) - 25;
int b9 = h - (m_iBand_9*4) - 25;
int b10 = h - (m_iBand_10*4) - 25;
int lev = h/6 - (m_iLevel*4);
QLinearGradient grad(0, 0, w << 1, h << 1);
grad.setColorAt(0.0f, Qt::yellow);
grad.setColorAt(1.0f, Qt::black);
int spacer = w/9;
poly.putPoints(0, 13,
0, h,
0, b1+lev,
spacer*1, b2+lev,
spacer*2, b3+lev,
spacer*3, b4+lev,
spacer*4, b5+lev,
spacer*5, b6+lev,
spacer*6, b7+lev,
spacer*7, b8+lev,
spacer*8, b9+lev,
spacer*9, b10+lev,
w, b10+lev,
w, h );
QPainterPath path;
path.moveTo(poly.at(0));
path.addPolygon(poly);
painter.setPen(Qt::yellow);
painter.setBrush(grad);
painter.drawPath((path));
painter.setBrush(Qt::red);
painter.drawRect(nodeRect(1));
painter.drawRect(nodeRect(2));
painter.drawRect(nodeRect(3));
painter.drawRect(nodeRect(4));
painter.drawRect(nodeRect(5));
painter.drawRect(nodeRect(6));
painter.drawRect(nodeRect(7));
painter.drawRect(nodeRect(8));
painter.drawRect(nodeRect(9));
painter.drawRect(nodeRect(10));
painter.end();
QFrame::paintEvent(pPaintEvent);
}
void customGraphicEQGraph::mousePressEvent ( QMouseEvent *pMouseEvent )
{
if (pMouseEvent->button() == Qt::LeftButton) {
const QPoint& pos = pMouseEvent->pos();
int iDragNode = nodeIndex(pos);
if (iDragNode >= 0) {setCursor(Qt::SizeVerCursor);
m_iDragNode = iDragNode;
m_posDrag = pos;
}
}
QFrame::mousePressEvent(pMouseEvent);
}
void customGraphicEQGraph::mouseMoveEvent ( QMouseEvent *pMouseEvent )
{
dragNode(pMouseEvent->pos());
}
void customGraphicEQGraph::mouseReleaseEvent ( QMouseEvent *pMouseEvent )
{
QFrame::mouseReleaseEvent(pMouseEvent);
dragNode(pMouseEvent->pos());
if (m_iDragNode >= 0) {
m_iDragNode = -1;
unsetCursor();
}
}
QRect customGraphicEQGraph::nodeRect ( int iNode ) const
{
const QPoint& pos = poly.at(iNode);
return QRect(pos.x() - 10, pos.y() - 4, 20, 8);
}
int customGraphicEQGraph::nodeIndex ( const QPoint& pos ) const
{
if (nodeRect(10).contains(pos))
return 10; // Band_10
if (nodeRect(9).contains(pos))
return 9; // Band_9
if (nodeRect(8).contains(pos))
return 8; // Band_8
if (nodeRect(7).contains(pos))
return 7; // Band_7
if (nodeRect(6).contains(pos))
return 6; // Band_6
if (nodeRect(5).contains(pos))
return 5; // Band_5
if (nodeRect(4).contains(pos))
return 4; // Band_4
if (nodeRect(3).contains(pos))
return 3; // Band_3
if (nodeRect(2).contains(pos))
return 2; // Band_2
if (nodeRect(1).contains(pos))
return 1; //Band_1
return -1;
}
void customGraphicEQGraph::dragNode ( const QPoint& pos )
{
unsigned short *piLevel = NULL;
switch (m_iDragNode) {
case 1: // Band_1
piLevel = &m_iBand_1;
break;
case 2: // Band_2
piLevel = &m_iBand_2;
break;
case 3: // Band_3/
piLevel = &m_iBand_3;
break;
case 4: // Band_4
piLevel = &m_iBand_4;
break;
case 5: // Band_5
piLevel = &m_iBand_5;
break;
case 6: // Band_6
piLevel = &m_iBand_6;
break;
case 7: // Band_7
piLevel = &m_iBand_7;
break;
case 8: // Band_8
piLevel = &m_iBand_8;
case 9: // Band_9
piLevel = &m_iBand_9;
break;
case 10: // Band_10
piLevel = &m_iBand_10;
break;
}
if (piLevel) {
int iLevel = int(*piLevel) + ((m_posDrag.y() - pos.y()) << 5) / height();
if (iLevel < 0) iLevel = 0;
else if (iLevel > 24) iLevel = 24;
if (*piLevel != (unsigned short) iLevel) {
m_posDrag = pos;
switch (m_iDragNode) {
case 1: // Band_1
setBand_1(iLevel);
break;
case 2: // Band_2
setBand_2(iLevel);
break;
case 3: // Band_3
setBand_3(iLevel);
break;
case 4: // Band_4
setBand_4(iLevel);
break;
case 5: // Band_5
setBand_5(iLevel);
break;
case 6: // Band_6
setBand_6(iLevel);
break;
case 7: // Band_7
setBand_7(iLevel);
break;
case 8: // Band_8
setBand_8(iLevel);
break;
case 9: // Band_9
setBand_9(iLevel);
break;
case 10: // Band_10
setBand_10(iLevel);
break;
}
}
} else if (nodeIndex(pos) >= 0) {
setCursor(Qt::PointingHandCursor);
} else {
unsetCursor();
}
}
void customGraphicEQGraph::updateSlot( QString hex_1, QString hex_2, QString hex_3,
QString hex_4, QString hex_5, QString hex_6,
QString hex_7, QString hex_8, QString hex_9,
QString hex_10, QString hex_11)
{
this->hex_1 = hex_1;
this->hex_2 = hex_2;
this->hex_3 = hex_3;
this->hex_4 = hex_4;
this->hex_5 = hex_5;
this->hex_6 = hex_6;
this->hex_7 = hex_7;
this->hex_8 = hex_8;
this->hex_9 = hex_9;
this->hex_10 = hex_10;
this->hex_11 = hex_11;
bool ok;
setBand_1(this->hex_1.toShort(&ok, 16));
setBand_2(this->hex_2.toShort(&ok, 16));
setBand_3(this->hex_3.toShort(&ok, 16));
setBand_4(this->hex_4.toShort(&ok, 16));
setBand_5(this->hex_5.toShort(&ok, 16));
setBand_6(this->hex_6.toShort(&ok, 16));
setBand_7(this->hex_7.toShort(&ok, 16));
setBand_8(this->hex_8.toShort(&ok, 16));
setBand_9(this->hex_9.toShort(&ok, 16));
setBand_10(this->hex_10.toShort(&ok, 16));
setLevel(this->hex_11.toShort(&ok, 16));
}