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Niels 2010-06-09 11:19:24 +02:00
commit f236bb8248
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.gitignore vendored Normal file
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.*.swp
build/*
mipsBuild/*

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/*
* Copyright 2008 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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 "gpsclient.h"
#include <QtCore/QDebug>
#include <QtCore/QTimer>
GpsClient::GpsClient(QObject *parent) : QObject(parent),
m_socket(new QTcpSocket(this))
{
connect(m_socket, SIGNAL(connected()), this, SIGNAL(connected()));
connect(m_socket, SIGNAL(connected()), this, SLOT(conn()));
connect(m_socket, SIGNAL(disconnected()), this, SIGNAL(disconnected()));
connect(m_socket, SIGNAL(readyRead()), this, SLOT(readData()));
}
void GpsClient::connectGps()
{
m_socket->connectToHost("127.0.0.1", 2947);
}
void GpsClient::disconnectGps()
{
m_socket->disconnectFromHost();
}
void GpsClient::query()
{
QTextStream out(m_socket);
out << "p\n";
}
void GpsClient::readData()
{
QTextStream in(m_socket);
QString reply = in.readLine();
reply.remove(0, 7);
if (reply != "?") {
float lat = reply.section(' ', 0, 0).toFloat();
float lon = reply.section(' ', 1, 1).toFloat();
emit position(QPointF(lon, lat));
}
QTimer::singleShot(1000, this, SLOT(query()));
}
void GpsClient::conn()
{
QTimer::singleShot(1000, this, SLOT(query()));
}

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/*
* Copyright 2008 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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
*/
#ifndef GPSCLIENT_H
#define GPSCLIENT_H
#include <QtCore/QObject>
#include <QtCore/QPointF>
#include <QtNetwork/QTcpSocket>
class GpsClient : public QObject
{
Q_OBJECT
public:
GpsClient(QObject *parent = 0);
public slots:
void connectGps();
void disconnectGps();
signals:
void position(const QPointF &pos);
void connected();
void disconnected();
private slots:
void query();
void readData();
void conn();
private:
QTcpSocket *m_socket;
};
#endif

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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 <QtGui/QApplication>
#include "mainwidget.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWidget w;
w.show();
return a.exec();
}

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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 "mainwidget.h"
#include "mapwidget.h"
#include "markerlist.h"
#include <QtGui/QLayout>
MainWidget::MainWidget(QWidget *parent)
: QWidget(parent),
m_stack(new QStackedWidget(this)),
m_map(new MapWidget(this)),
m_markerList(new MarkerList(this))
{
QHBoxLayout *layout = new QHBoxLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(m_stack);
connect(m_map, SIGNAL(switchView()), this, SLOT(showList()));
connect(m_map, SIGNAL(markerAdded(QString)), this, SLOT(markerAdded(QString)));
m_stack->insertWidget(0, m_map);
connect(m_markerList, SIGNAL(back()), this, SLOT(showMap()));
connect(m_markerList, SIGNAL(centerOnMarker(int)), this, SLOT(centerOnMarker(int)));
connect(m_markerList, SIGNAL(removeMarker(int)), this, SLOT(removeMarker(int)));
connect(m_markerList, SIGNAL(markerRenamed(int, QString)), this, SLOT(markerRenamed(int, QString)));
m_stack->insertWidget(1, m_markerList);
resize(320, 240);
}
MainWidget::~MainWidget()
{
}
void MainWidget::showList()
{
m_stack->setCurrentIndex(1);
}
void MainWidget::markerAdded(const QString &name)
{
m_markerList->addMarker(name);
}
void MainWidget::showMap()
{
m_stack->setCurrentIndex(0);
}
void MainWidget::centerOnMarker(int row)
{
m_map->centerOnMarker(row);
m_stack->setCurrentIndex(0);
}
void MainWidget::removeMarker(int row)
{
m_map->removeMarker(row);
}
void MainWidget::markerRenamed(int index, const QString &name)
{
m_map->renameMarker(index, name);
}

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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
*/
#ifndef MAINWIDGET_H
#define MAINWIDGET_H
#include <QtGui/QListWidget>
#include <QtGui/QStackedWidget>
#include <QtGui/QWidget>
class MapWidget;
class MarkerList;
class MainWidget : public QWidget
{
Q_OBJECT
public:
MainWidget(QWidget *parent = 0);
~MainWidget();
private slots:
void showList();
void markerAdded(const QString &name);
void showMap();
void centerOnMarker(int row);
void removeMarker(int row);
void markerRenamed(int index, const QString &name);
private:
QStackedWidget *m_stack;
MapWidget *m_map;
MarkerList *m_markerList;
};
#endif // MAINWIDGET_H

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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 "mapwidget.h"
#include <cmath>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QSettings>
#include <QtCore/QTimer>
#include <QtGui/QApplication>
#ifdef Q_WS_QWS
#include <QtGui/QWSServer>
#endif
#include <QtGui/QPainter>
#include <QtGui/QPaintEvent>
#include <QtNetwork/QNetworkReply>
#include <QtNetwork/QNetworkRequest>
MapWidget::MapWidget(QWidget *parent)
: QWidget(parent),
m_usage(false),
m_infos(true),
m_zoomable(false),
m_baseName(),
m_xPadding(0),
m_yPadding(0),
m_pos(0, 0),
m_startPos(0, 0),
m_isMoving(false),
m_pixWidth(256),
m_pixHeight(256),
m_pix(),
m_cols(2),
m_rows(2),
m_indexX(0),
m_indexY(0),
m_minIndexX(0),
m_minIndexY(0),
m_maxIndexX(0),
m_maxIndexY(0),
m_minIndexXList(),
m_minIndexYList(),
m_maxIndexXList(),
m_maxIndexYList(),
m_level(0),
m_zoomLevel(),
m_manager(new QNetworkAccessManager(this)),
m_networkMode(false),
m_copyright(),
m_markerPos(),
m_markerName(),
m_drawMarker(true)
{
for (int x = 0; x < 100; ++x) {
for (int y = 0; y < 100; ++y) {
m_pix[x][y] = 0;
}
}
if (QApplication::arguments().count() > 1) {
loadMapFile(QApplication::arguments().at(1));
m_zoomable = m_zoomLevel.count() > 1 &&
m_zoomLevel.count() == m_minIndexXList.count() &&
m_zoomLevel.count() == m_maxIndexXList.count() &&
m_zoomLevel.count() == m_minIndexYList.count() &&
m_zoomLevel.count() == m_maxIndexYList.count();
m_indexX = (m_minIndexX + m_maxIndexX) / 2;
m_indexY = (m_minIndexY + m_maxIndexY) / 2;
if (QApplication::arguments().count() > 3) {
bool ok;
int x = QApplication::arguments().at(2).toInt(&ok);
if (ok) {
m_indexX = x;
}
int y = QApplication::arguments().at(3).toInt(&ok);
if (ok) {
m_indexY = y;
}
}
m_cols = ceil(320.0 / (qreal) m_pixWidth) + 1;
m_rows = ceil(240.0 / (qreal) m_pixHeight) + 1;
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
}
}
} else {
m_networkMode = true;
m_zoomable = true;
for (int i = 0; i < 19; ++i) {
m_zoomLevel << QString::number(i);
m_minIndexXList << 0;
m_maxIndexXList << pow(2, i) - 1;
m_minIndexYList << 0;
m_maxIndexYList << pow(2, i) - 1;
}
m_baseName = QDir::homePath()+"/Maps/OSM/%z/%x/%y.png";
QTimer::singleShot(100, this, SLOT(loadConfig()));
}
connect(m_manager, SIGNAL(finished(QNetworkReply*)),
this, SLOT(replyFinished(QNetworkReply*)));
#ifdef Q_WS_QWS
QWSServer::setCursorVisible(false);
#endif
setFocusPolicy(Qt::StrongFocus);
resize(320, 240);
}
MapWidget::~MapWidget()
{
saveConfig();
}
void MapWidget::removeMarker(int index)
{
if (index >= 0 && m_markerPos.count() > index) {
m_markerPos.removeAt(index);
m_markerName.removeAt(index);
update();
}
}
void MapWidget::renameMarker(int index, const QString &name)
{
if (index >= 0 && m_markerName.count() > index) {
m_markerName.replace(index, name);
}
}
void MapWidget::centerOnMarker(int index)
{
if (index >= 0 && m_markerPos.count() > index) {
qreal lon = m_markerPos.at(index).x();
qreal lat = m_markerPos.at(index).y();
centerOnGeoPos(lon, lat);
}
}
void MapWidget::resizeEvent(QResizeEvent *event)
{
qreal width = event->size().width();
qreal height = event->size().height();
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
delete m_pix[x][y];
m_pix[x][y] = 0;
}
}
m_cols = ceil(width / (qreal) m_pixWidth) + 1;
m_rows = ceil(height / (qreal) m_pixHeight) + 1;
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
}
}
}
void MapWidget::mouseMoveEvent(QMouseEvent *event)
{
if (m_isMoving) {
m_pos = event->pos() - m_startPos;
updatePos();
}
}
void MapWidget::mousePressEvent(QMouseEvent *event)
{
if (QRect(9, 14, 13, 13).contains(event->pos())) {
changeZoomLevel(1);
reloadPixmaps();
updatePos();
m_isMoving = false;
} else if (QRect(9, 214, 13, 13).contains(event->pos())) {
changeZoomLevel(-1);
reloadPixmaps();
updatePos();
m_isMoving = false;
} else if (!QRect(5, 10, 20, 220).contains(event->pos())) {
m_startPos = event->pos() - m_pos;
m_isMoving = true;
}
}
void MapWidget::mouseReleaseEvent(QMouseEvent *event)
{
Q_UNUSED(event)
m_isMoving = false;
}
void MapWidget::wheelEvent(QWheelEvent *event)
{
if (event->delta() < 0) {
changeZoomLevel(-1);
reloadPixmaps();
} else {
changeZoomLevel(1);
reloadPixmaps();
}
updatePos();
}
void MapWidget::keyPressEvent(QKeyEvent *event)
{
int width = 10;
if (event->modifiers() & Qt::AltModifier) {
width = 100;
}
switch (event->key()) {
case Qt::Key_Tab:
{
emit switchView();
break;
}
case Qt::Key_M:
{
if (event->modifiers() & Qt::AltModifier) {
m_drawMarker = !m_drawMarker;
} else if (event->modifiers() == Qt::NoModifier) {
int n = 0;
if (!m_markerName.isEmpty()) {
n = m_markerName.last().toInt();
}
QString newName = QString::number(n+1);
m_markerPos << geoPos();
m_markerName << newName;
emit markerAdded(newName);
}
break;
}
case Qt::Key_K:
case Qt::Key_Up:
{
m_pos += QPoint(0, width);
break;
}
case Qt::Key_J:
case Qt::Key_Down:
{
m_pos += QPoint(0, -width);
break;
}
case Qt::Key_H:
case Qt::Key_Left:
{
m_pos += QPoint(width, 0);
break;
}
case Qt::Key_L:
case Qt::Key_Right:
{
m_pos += QPoint(-width, 0);
break;
}
case Qt::Key_C:
{
m_indexX = (m_minIndexX + m_maxIndexX) / 2;
m_indexY = (m_minIndexY + m_maxIndexY) / 2;
m_pos.setX(m_pixWidth/2);
m_pos.setY(m_pixHeight/2);
reloadPixmaps();
break;
}
case Qt::Key_O:
{
changeZoomLevel(-1);
reloadPixmaps();
break;
}
case Qt::Key_I:
{
changeZoomLevel(1);
reloadPixmaps();
break;
}
case Qt::Key_U:
{
m_infos = !m_infos;
break;
}
case Qt::Key_Q:
{
qApp->quit();
break;
}
case Qt::Key_Question:
{
m_usage = !m_usage;
break;
}
}
updatePos();
}
void MapWidget::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
bool empty = true;
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
QPixmap *pix = m_pix[x][y];
if (pix) {
empty = false;
QRect rect(m_pos+QPoint(m_pixWidth*x, m_pixHeight*y), pix->size());
painter.drawPixmap(rect, *pix);
}
}
}
if (empty) {
painter.drawText(0, 0, width(), height(), Qt::AlignCenter, "No Map Loaded");
}
if (m_drawMarker) {
int i = 0;
painter.setBrush(QBrush(QColor(255, 237, 60)));
QFontMetrics fm(painter.font());
int h = fm.height() / 2;
foreach (const QPointF &m, m_markerPos) {
QPoint pos = geo2screen(m.x(), m.y());
int w = fm.width(m_markerName.at(i)) / 2;
QRect rect(pos.x() - w, pos.y() - h, 2*w, 2*h);
painter.drawRect(rect.adjusted(-2, 0, 2, 0));
painter.drawText(rect, Qt::AlignCenter, m_markerName.at(i));
++i;
}
}
if (m_infos) {
painter.setBrush(QBrush(QColor(255, 255, 255, 210)));
if (m_networkMode) {
painter.drawRoundedRect(30, height() - 20, width() - 35, 19, 10, 10);
QPointF geo = geoPos();
QString lon = geo.x() > 0 ? QString("E %1").arg(geo.x()) : QString("W %1").arg(-geo.x());
QString lat = geo.y() > 0 ? QString("N %1").arg(geo.y()) : QString("S %1").arg(-geo.y());
painter.drawText(35, height() - 18, width() - 45, 15, Qt::AlignCenter, lat+" "+lon);
}
if (m_zoomable) {
painter.drawRoundedRect(5, 10, 20, 220, 10, 10);
painter.setBrush(QBrush(QColor(0, 0, 255, 210)));
int step = 180 / (m_zoomLevel.count() - 1);
for (int i = 0; i < m_zoomLevel.count(); ++i) {
painter.drawLine(5, 211-(i * step), 25, 211-(i * step));
}
painter.drawRect(9, 208-(m_level * step), 12, 5);
painter.setPen(QPen(Qt::black, 3, Qt::SolidLine, Qt::FlatCap));
painter.drawLine(9, 20, 22, 20);
painter.drawLine(15, 14, 15, 27);
painter.drawLine(9, 220, 22, 220);
painter.setPen(QPen());
}
int midX = width() / 2;
int midY = height() / 2;
painter.drawLine(midX - 5, midY, midX + 5, midY);
painter.drawLine(midX, midY - 5, midX, midY + 5);
}
if (m_usage) {
painter.setBrush(QBrush(QColor(255, 255, 255, 210)));
painter.drawRoundedRect(20, 5, 280, 215, 10, 10);
QStringList usage;
usage << "q: Quit application";
usage << "?: Show/hide this message";
usage << "Arrows: Move map by 10 pixel";
usage << "Alt+Arrows: Move map by 100 pixel";
usage << "c: Move to the center of the map";
if (m_zoomable) {
usage << "i: Zoom in";
usage << "o: Zoom out";
}
usage << "u: Show/hide user interface";
usage << "m: Add a marker";
usage << "Alt+m: Show/hide all marker";
usage << "tab: Show/hide marker list";
if (m_networkMode) {
painter.drawText(30, 200, 260, 20, Qt::AlignCenter, "Map data: (C) OpenStreetMap.org");
} else if (!m_copyright.isEmpty()) {
painter.drawText(30, 200, 260, 20, Qt::AlignCenter, "Map data: (C) "+m_copyright);
}
painter.drawText(30, 10, 260, 20, Qt::AlignCenter, "NanoMap - Usage");
painter.drawLine(70, 27, 250, 27);
painter.drawText(30, 30, 260, 200, Qt::AlignLeft, usage.join("\n"));
}
painter.end();
}
void MapWidget::replyFinished(QNetworkReply *reply)
{
if (reply->error() == QNetworkReply::NoError) {
QString path = reply->url().path();
int level = path.section('/', 1, 1).toInt();
int x = path.section('/', 2, 2).toInt();
QString name = path.section('/', 3, 3);
int y = name.section('.', 0, 0).toInt();
QDir base(QDir::homePath()+"/Maps/OSM");
base.mkpath(QString("%1/%2").arg(level).arg(x));
QByteArray data = reply->readAll();
if (!data.isEmpty()) {
QFile file(QDir::homePath()+"/Maps/OSM"+path);
if (file.open(QFile::WriteOnly)) {
file.write(data);
if (level == m_level) {
if (m_pix[x-m_indexX][y-m_indexY]) {
m_pix[x-m_indexX][y-m_indexY]->loadFromData(data);
} else {
m_pix[x-m_indexX][y-m_indexY] = new QPixmap(file.fileName());
}
update();
}
}
}
}
reply->deleteLater();
}
void MapWidget::updatePos()
{
if (m_pos.x() < -m_pixWidth) {
if (m_indexX < m_maxIndexX) {
m_pos.setX(m_pos.x() + m_pixWidth);
m_startPos.setX(m_startPos.x() - m_pixWidth);
++m_indexX;
for (int y = 0; y < m_rows; ++y) {
for (int x = 0; x < m_cols; ++x) {
if (x == 0) {
delete m_pix[x][y];
m_pix[x][y] = 0;
}
if (x < m_cols-1) {
m_pix[x][y] = m_pix[x+1][y];
} else {
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
}
}
}
}
} else if (m_pos.x() > 0) {
if (m_indexX > m_minIndexX) {
m_pos.setX(m_pos.x() - m_pixWidth);
m_startPos.setX(m_startPos.x() + m_pixWidth);
--m_indexX;
for (int y = 0; y < m_rows; ++y) {
for (int x = m_cols-1; x >= 0; --x) {
if (x == m_cols-1) {
delete m_pix[x][y];
m_pix[x][y] = 0;
}
if (x > 0) {
m_pix[x][y] = m_pix[x-1][y];
} else {
m_pix[x][y] = loadPixmap(m_indexX, m_indexY+y);
}
}
}
}
}
if (m_pos.y() < -m_pixHeight) {
if (m_indexY < m_maxIndexY) {
m_pos.setY(m_pos.y() + m_pixHeight);
m_startPos.setY(m_startPos.y() - m_pixHeight);
++m_indexY;
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
if (y == 0) {
delete m_pix[x][y];
m_pix[x][y] = 0;
}
if (y < m_rows-1) {
m_pix[x][y] = m_pix[x][y+1];
} else {
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
}
}
}
}
} else if (m_pos.y() > 0) {
if (m_indexY > m_minIndexY) {
m_pos.setY(m_pos.y() - m_pixHeight);
m_startPos.setY(m_startPos.y() + m_pixHeight);
--m_indexY;
for (int x = 0; x < m_cols; ++x) {
for (int y = m_rows-1; y >= 0; --y) {
if (y == m_rows-1) {
delete m_pix[x][y];
m_pix[x][y] = 0;
}
if (y > 0) {
m_pix[x][y] = m_pix[x][y-1];
} else {
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY);
}
}
}
}
}
update();
}
void MapWidget::reloadPixmaps()
{
for (int x = 0; x < m_cols; ++x) {
for (int y = 0; y < m_rows; ++y) {
delete m_pix[x][y];
m_pix[x][y] = 0;
m_pix[x][y] = loadPixmap(m_indexX+x, m_indexY+y);
}
}
}
QString MapWidget::filename(int x, int y)
{
QString result;
if (x >= m_minIndexX && x <= m_maxIndexX &&
y >= m_minIndexY && y <= m_maxIndexY) {
QString level = QString::number(m_level);
QString sx = QString::number(x);
sx.prepend(QString(m_xPadding-sx.length(), '0'));
QString sy = QString::number(y);
sy.prepend(QString(m_yPadding-sy.length(), '0'));
result = m_baseName;
result.replace("%z", level).replace("%x", sx).replace("%y", sy);
}
return result;
}
QPixmap* MapWidget::loadPixmap(int x, int y)
{
QPixmap *pix = 0;
if (x >= m_minIndexX && x <= m_maxIndexX &&
y >= m_minIndexY && y <= m_maxIndexY) {
pix = new QPixmap(filename(x, y));
if (m_networkMode && pix->isNull()) {
downloadTile(x, y, m_level);
}
}
return pix;
}
void MapWidget::loadMapFile(const QString &filename)
{
QFile file(filename);
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
QFileInfo info(filename);
m_baseName = info.absolutePath()+QDir::separator();
QTextStream in(&file);
QString line;
while (!in.atEnd()) {
line = in.readLine().trimmed();
if (!line.startsWith('#') && !line.isEmpty()) {
if (line.startsWith("BaseName=")) {
m_baseName.append(line.section('=', 1));
} else if (line.startsWith("ZeroPadding=")) {
QString tmp = line.section('=', 1);
m_xPadding = tmp.section(',', 0, 0).toInt();
m_yPadding = tmp.section(',', 1, 1).toInt();
} else if (line.startsWith("TileWidth=")) {
QString tmp = line.section('=', 1);
m_pixWidth = tmp.toInt();
} else if (line.startsWith("TileHeight=")) {
QString tmp = line.section('=', 1);
m_pixHeight = tmp.toInt();
} else if (line.startsWith("ZoomLevel=")) {
QString tmp = line.section('=', 1);
m_zoomLevel << tmp.split(',');
} else if (line.startsWith("MinX=")) {
QString tmp = line.section('=', 1);
QStringList list = tmp.split(',');
foreach (const QString &s, list) {
m_minIndexXList << s.toInt();
}
m_minIndexX = m_minIndexXList.first();
} else if (line.startsWith("MaxX=")) {
QString tmp = line.section('=', 1);
QStringList list = tmp.split(',');
foreach (const QString &s, list) {
m_maxIndexXList << s.toInt();
}
m_maxIndexX = m_maxIndexXList.first();
} else if (line.startsWith("MinY=")) {
QString tmp = line.section('=', 1);
QStringList list = tmp.split(',');
foreach (const QString &s, list) {
m_minIndexYList << s.toInt();
}
m_minIndexY = m_minIndexYList.first();
} else if (line.startsWith("MaxY=")) {
QString tmp = line.section('=', 1);
QStringList list = tmp.split(',');
foreach (const QString &s, list) {
m_maxIndexYList << s.toInt();
}
m_maxIndexY = m_maxIndexYList.first();
} else if (line.startsWith("CopyRight=")) {
m_copyright = line.section('=', 1);
}
}
}
}
}
void MapWidget::loadConfig()
{
QSettings set(QDir::homePath()+"/.nanomap.conf", QSettings::NativeFormat);
set.beginGroup("map");
qreal lon = set.value("lon", 0).toReal();
qreal lat = set.value("lat", 0).toReal();
int level = set.value("level", 0).toInt();
m_usage = set.value("usage", true).toBool();
changeZoomLevel(level - m_level);
centerOnGeoPos(lon, lat);
set.endGroup();
set.beginGroup("marker");
QStringList m = set.childKeys();
foreach (const QString &marker, m) {
QPointF pos = set.value(marker).toPointF();
m_markerPos << pos;
m_markerName << marker;
emit markerAdded(marker);
}
set.endGroup();
}
void MapWidget::saveConfig()
{
QSettings set(QDir::homePath()+"/.nanomap.conf", QSettings::NativeFormat);
set.beginGroup("map");
QPointF pos = geoPos();
set.setValue("lon", pos.x());
set.setValue("lat", pos.y());
set.setValue("level", m_level);
set.setValue("usage", m_usage);
set.endGroup();
set.beginGroup("marker");
set.remove("");
for (int i = 0; i < m_markerPos.count(); ++i) {
set.setValue(m_markerName.at(i), m_markerPos.at(i));
}
set.endGroup();
}
void MapWidget::downloadTile(int x, int y, int level)
{
QUrl url(QString("http://tile.openstreetmap.org/%1/%2/%3.png").arg(level).arg(x).arg(y));
m_manager->get(QNetworkRequest(url));
}
void MapWidget::changeZoomLevel(int diff)
{
qreal w = width() / 2;
qreal h = height() / 2;
qreal px = (qreal) ((m_indexX - m_minIndexX)*m_pixWidth + w - m_pos.x()) /
(qreal) ((1 + m_maxIndexX - m_minIndexX) * m_pixWidth);
qreal py = (qreal) ((m_indexY - m_minIndexY)*m_pixHeight + h - m_pos.y()) /
(qreal) ((1 + m_maxIndexY - m_minIndexY) * m_pixHeight);
m_level += diff;
if (m_level < 0 || m_level >= m_zoomLevel.count()) {
m_level -= diff;
return;
}
m_minIndexX = m_minIndexXList.at(m_level);
m_maxIndexX = m_maxIndexXList.at(m_level);
m_minIndexY = m_minIndexYList.at(m_level);
m_maxIndexY = m_maxIndexYList.at(m_level);
qreal x = (px * (1 + m_maxIndexX - m_minIndexX)) + m_minIndexX;
qreal y = (py * (1 + m_maxIndexY - m_minIndexY)) + m_minIndexY;
m_indexX = (int) floor(x);
m_indexY = (int) floor(y);
m_pos.setX(((m_indexX-x) * m_pixWidth) + w);
m_pos.setY(((m_indexY-y) * m_pixHeight) + h);
}
void MapWidget::centerOnGeoPos(qreal lon, qreal lat)
{
qreal w = width() / 2.0;
qreal h = height() / 2.0;
qreal x = lon2tilex(lon, m_level);
qreal y = lat2tiley(lat, m_level);
m_indexX = (int) floor(x);
m_indexY = (int) floor(y);
m_pos.setX(((m_indexX-x) * m_pixWidth) + w);
m_pos.setY(((m_indexY-y) * m_pixHeight) + h);
reloadPixmaps();
updatePos();
}
QPointF MapWidget::geoPos()
{
qreal w = width() / 2.0;
qreal h = height() / 2.0;
qreal partX = (w - m_pos.x()) / 256.0;
qreal partY = (h - m_pos.y()) / 256.0;
qreal lon = tilex2lon(m_indexX + partX, m_level);
qreal lat = tiley2lat(m_indexY + partY, m_level);
return QPointF(lon, lat);
}
QPoint MapWidget::geo2screen(qreal lon, qreal lat)
{
qreal tx = lon2tilex(lon, m_level);
qreal ty = lat2tiley(lat, m_level);
int x = (tx * m_pixWidth) - ((m_indexX * m_pixWidth) - m_pos.x());
int y = (ty * m_pixHeight) - ((m_indexY * m_pixHeight) - m_pos.y());
return QPoint(x, y);
}
qreal MapWidget::lon2tilex(qreal lon, int z)
{
return (lon + 180.0) / 360.0 * pow(2.0, z);
}
qreal MapWidget::lat2tiley(qreal lat, int z)
{
return (1.0 - log(tan(lat * M_PI/180.0) + 1.0 / cos(lat * M_PI/180.0)) / M_PI) / 2.0 * pow(2.0, z);
}
qreal MapWidget::tilex2lon(qreal x, int z)
{
return x / pow(2.0, z) * 360.0 - 180;
}
qreal MapWidget::tiley2lat(qreal y, int z)
{
qreal n = M_PI - 2.0 * M_PI * y / pow(2.0, z);
return 180.0 / M_PI * atan(0.5 * (exp(n) - exp(-n)));
}

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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
*/
#ifndef MAPWIDGET_H
#define MAPWIDGET_H
#include <QtGui/QWidget>
#include <QtCore/QPoint>
#include <QtNetwork/QNetworkAccessManager>
class MapWidget : public QWidget
{
Q_OBJECT
public:
MapWidget(QWidget *parent = 0);
~MapWidget();
void removeMarker(int index);
void renameMarker(int index, const QString &name);
public slots:
void centerOnMarker(int index);
signals:
void markerAdded(const QString &name);
void switchView();
protected:
virtual void resizeEvent(QResizeEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void wheelEvent(QWheelEvent *event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void paintEvent(QPaintEvent *event);
private slots:
void replyFinished(QNetworkReply *reply);
void loadConfig();
private:
void updatePos();
void reloadPixmaps();
QString filename(int x, int y);
QPixmap *loadPixmap(int x, int y);
void loadMapFile(const QString &filename);
void saveConfig();
void downloadTile(int x, int y, int level);
void changeZoomLevel(int diff);
void centerOnGeoPos(qreal lon, qreal lat);
QPointF geoPos();
QPoint geo2screen(qreal lon, qreal lat);
qreal lon2tilex(qreal lon, int z);
qreal lat2tiley(qreal lat, int z);
qreal tilex2lon(qreal x, int z);
qreal tiley2lat(qreal y, int z);
bool m_usage, m_infos, m_zoomable;
QString m_baseName;
int m_xPadding, m_yPadding;
QPoint m_pos, m_startPos;
bool m_isMoving;
int m_pixWidth, m_pixHeight;
QPixmap *m_pix[100][100];
int m_cols, m_rows;
int m_indexX, m_indexY;
int m_minIndexX, m_minIndexY;
int m_maxIndexX, m_maxIndexY;
QList<int> m_minIndexXList, m_minIndexYList;
QList<int> m_maxIndexXList, m_maxIndexYList;
int m_level;
QStringList m_zoomLevel;
QNetworkAccessManager *m_manager;
bool m_networkMode;
QString m_copyright;
QList<QPointF> m_markerPos;
QStringList m_markerName;
bool m_drawMarker;
};
#endif // MAPWIDGET_H

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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 "markerlist.h"
#include <QtGui/QLayout>
#include <QtGui/QPushButton>
MarkerList::MarkerList(QWidget *parent)
: QWidget(parent),
m_list(new QListWidget(this)),
m_edit(false)
{
QGridLayout *layout = new QGridLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(m_list, 0, 0, 1, 3);
m_list->setSelectionMode(QAbstractItemView::SingleSelection);
connect(m_list, SIGNAL(itemActivated(QListWidgetItem*)), this, SLOT(center()));
QPushButton *back = new QPushButton("Show map", this);
back->setShortcut(QKeySequence(Qt::Key_Tab));
layout->addWidget(back, 1, 0);
connect(back, SIGNAL(clicked()), this, SIGNAL(back()));
QPushButton *remove = new QPushButton("&Delete", this);
remove->setShortcut(QKeySequence(Qt::ALT + Qt::Key_D));
layout->addWidget(remove, 1, 1);
connect(remove, SIGNAL(clicked()), this, SLOT(removeMarker()));
QPushButton *rename = new QPushButton("&Rename", this);
rename->setShortcut(QKeySequence(Qt::ALT + Qt::Key_R));
layout->addWidget(rename, 1, 2);
connect(rename, SIGNAL(clicked()), this, SLOT(beginRenameMarker()));
resize(320, 240);
}
MarkerList::~MarkerList()
{
}
void MarkerList::addMarker(const QString &name)
{
m_list->addItem(name);
}
void MarkerList::center()
{
if (m_edit) {
endRenameMarker();
} else {
emit centerOnMarker(m_list->currentRow());
}
}
void MarkerList::removeMarker()
{
emit removeMarker(m_list->currentRow());
m_list->takeItem(m_list->currentRow());
}
void MarkerList::beginRenameMarker()
{
m_edit = true;
m_list->openPersistentEditor(m_list->currentItem());
}
void MarkerList::endRenameMarker()
{
m_edit = false;
m_list->closePersistentEditor(m_list->currentItem());
emit markerRenamed(m_list->currentRow(), m_list->currentItem()->text());
}

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/*
* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
*
* 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
*/
#ifndef MARKERLIST_H
#define MARKERLIST_H
#include <QtGui/QListWidget>
#include <QtGui/QWidget>
class MarkerList : public QWidget
{
Q_OBJECT
public:
MarkerList(QWidget *parent = 0);
~MarkerList();
void addMarker(const QString &name);
signals:
void back();
void centerOnMarker(int index);
void removeMarker(int index);
void markerRenamed(int index, const QString &name);
private slots:
void center();
void removeMarker();
void beginRenameMarker();
void endRenameMarker();
private:
QListWidget *m_list;
bool m_edit;
};
#endif // MAINWIDGET_H

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TARGET = NanoMap
TEMPLATE = app
QT += network
SOURCES += main.cpp \
mainwidget.cpp \
mapwidget.cpp \
markerlist.cpp \
gpsclient.cpp
HEADERS += mainwidget.h \
mapwidget.h \
markerlist.h \
gpsclient.h