mirror of
git://projects.qi-hardware.com/nanomap.git
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138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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* Copyright 2010 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "markerlayer.h"
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#include "mapwidget.h"
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#include <QtCore/QSettings>
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MarkerLayer::MarkerLayer(MapWidget *map) :
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AbstractLayer(map),
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m_markerPos(),
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m_markerName(),
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m_filename()
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{
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}
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MarkerLayer::~MarkerLayer()
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{
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QSettings set(m_filename, QSettings::NativeFormat);
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set.beginGroup("marker");
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set.remove("");
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for (int i = 0; i < m_markerPos.count(); ++i) {
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set.setValue(m_markerName.at(i), m_markerPos.at(i));
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}
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set.endGroup();
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}
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void MarkerLayer::load(const QString &filename)
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{
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m_filename = filename;
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QSettings set(filename, QSettings::NativeFormat);
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set.beginGroup("marker");
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QStringList m = set.childKeys();
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foreach (const QString &marker, m) {
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QPointF pos = set.value(marker).toPointF();
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m_markerPos << pos;
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m_markerName << marker;
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emit markerAdded(marker);
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}
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set.endGroup();
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}
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void MarkerLayer::triggerAction()
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{
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int n = 0;
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if (!m_markerName.isEmpty()) {
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n = m_markerName.last().toInt();
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}
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QString newName = QString::number(n+1);
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m_markerPos << map()->geoPos();
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m_markerName << newName;
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emit markerAdded(newName);
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}
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void MarkerLayer::keyPressed(QKeyEvent *event)
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{
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if (event->key() == Qt::Key_M) {
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if (event->modifiers() == Qt::NoModifier) {
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triggerAction();
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} else if (event->modifiers() == Qt::AltModifier) {
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toggleVisibility();
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}
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}
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}
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void MarkerLayer::paint(QPainter *painter)
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{
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int i = 0;
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painter->setBrush(QBrush(QColor(255, 237, 60)));
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QFontMetrics fm(painter->font());
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int h = fm.height() / 2;
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foreach (const QPointF &m, m_markerPos) {
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QPoint pos = map()->geo2screen(m.x(), m.y());
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int w = fm.width(m_markerName.at(i)) / 2;
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QRect rect(pos.x() - w - 2, pos.y() - h - 11, 2*w + 4, 2*h);
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QPolygon polygon;
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polygon << pos;
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polygon << pos + QPoint(-2, -5);
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polygon << rect.bottomLeft();
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polygon << rect.topLeft();
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polygon << rect.topRight();
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polygon << rect.bottomRight();
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polygon << pos + QPoint(2, -5);
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polygon << pos;
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painter->drawPolygon(polygon);
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painter->drawText(rect, Qt::AlignCenter, m_markerName.at(i));
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++i;
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}
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}
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void MarkerLayer::removeMarker(int index)
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{
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if (index >= 0 && m_markerPos.count() > index) {
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m_markerPos.removeAt(index);
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m_markerName.removeAt(index);
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map()->update();
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}
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}
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void MarkerLayer::renameMarker(int index, const QString &name)
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{
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if (index >= 0 && m_markerName.count() > index) {
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m_markerName.replace(index, name);
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}
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}
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void MarkerLayer::centerOnMarker(int index)
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{
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if (index >= 0 && m_markerPos.count() > index) {
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qreal lon = m_markerPos.at(index).x();
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qreal lat = m_markerPos.at(index).y();
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map()->centerOnGeoPos(lon, lat);
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}
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}
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