/* * * This file is part of QMapControl, * an open-source cross-platform map widget * * Copyright (C) 2007 - 2008 Kai Winter * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with QMapControl. If not, see . * * Contact e-mail: kaiwinter@gmx.de * Program URL : http://qmapcontrol.sourceforge.net/ * */ #include "mapcontrol.h" namespace qmapcontrol { MapControl::MapControl(QSize size, MouseMode mousemode) : size(size), mymousemode(mousemode), scaleVisible(false), cursorPosVisible(false) { layermanager = new LayerManager(this, size); screen_middle = QPoint(size.width()/2, size.height()/2); mousepressed = false; connect(ImageManager::instance(), SIGNAL(imageReceived()), this, SLOT(updateRequestNew())); connect(ImageManager::instance(), SIGNAL(loadingFinished()), this, SLOT(loadingFinished())); this->setMaximumSize(size.width()+1, size.height()+1); distanceList<<5000000<<2000000<<1000000<<1000000<<1000000<<100000<<100000<<50000<<50000<<10000<<10000<<10000<<1000<<1000<<500<<200<<100<<50<<25; } MapControl::~MapControl() { delete layermanager; } QPointF MapControl::currentCoordinate() const { return layermanager->currentCoordinate(); } Layer* MapControl::layer(const QString& layername) const { return layermanager->layer(layername); } QList MapControl::layers() const { return layermanager->layers(); } int MapControl::numberOfLayers() const { return layermanager->layers().size(); } void MapControl::followGeometry(const Geometry* geom) const { connect(geom, SIGNAL(positionChanged(Geometry*)), this, SLOT(positionChanged(Geometry*))); } void MapControl::positionChanged(Geometry* geom) { QPoint start = layermanager->layer()->mapadapter()->coordinateToDisplay(currentCoordinate()); QPoint dest = layermanager->layer()->mapadapter()->coordinateToDisplay(((Point*)geom)->coordinate()); QPoint step = (dest-start); layermanager->scrollView(step); // setView(geom); update(); } void MapControl::moveTo(QPointF coordinate) { target = coordinate; steps = 25; if (moveMutex.tryLock()) { QTimer::singleShot(40, this, SLOT(tick())); } else { // stopMove(coordinate); } } void MapControl::tick() { QPoint start = layermanager->layer()->mapadapter()->coordinateToDisplay(currentCoordinate()); QPoint dest = layermanager->layer()->mapadapter()->coordinateToDisplay(target); QPoint step = (dest-start)/steps; QPointF next = currentCoordinate()- step; // setView(Coordinate(next.x(), next.y())); layermanager->scrollView(step); update(); steps--; if (steps>0) { QTimer::singleShot(40, this, SLOT(tick())); } else { moveMutex.unlock(); } } void MapControl::paintEvent(QPaintEvent* evnt) { QWidget::paintEvent(evnt); QPainter painter(this); double line; // painter.translate(150,190); // painter.scale(0.5,0.5); // painter.setClipRect(0,0, size.width(), size.height()); // painter.setViewport(10000000000,0,size.width(),size.height()); /* // rotating rotation = 45; painter.translate(256,256); painter.rotate(rotation); painter.translate(-256,-256); */ layermanager->drawImage(&painter); layermanager->drawGeoms(&painter); // added by wolf // draw scale if (scaleVisible) { if (currentZoom() >= 0 && distanceList.size() > currentZoom()) { line = distanceList.at( currentZoom() ) / pow(2, 18-currentZoom() ) / 0.597164; // draw the scale painter.setPen(Qt::black); QPoint p1(10,size.height()-20); QPoint p2((int)line,size.height()-20); painter.drawLine(p1,p2); painter.drawLine(10,size.height()-15, 10,size.height()-25); painter.drawLine((int)line,size.height()-15, (int)line,size.height()-25); QString distance; if (distanceList.at(currentZoom()) >= 1000) { distance = QVariant( distanceList.at(currentZoom())/1000 ) .toString()+ " km"; } else { distance = QVariant( distanceList.at(currentZoom()) ).toString() + " m"; } painter.drawText(QPoint((int)line+10,size.height()-15), distance); } } painter.drawLine(screen_middle.x(), screen_middle.y()-10, screen_middle.x(), screen_middle.y()+10); // | painter.drawLine(screen_middle.x()-10, screen_middle.y(), screen_middle.x()+10, screen_middle.y()); // - // int cross_x = int(layermanager->getMapmiddle_px().x())%256; // int cross_y = int(layermanager->getMapmiddle_px().y())%256; // painter.drawLine(screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+0, // screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+256); // | // painter.drawLine(screen_middle.x()-cross_x+0, screen_middle.y()-cross_y+cross_y, // screen_middle.x()-cross_x+256, screen_middle.y()-cross_y+cross_y); // - painter.drawRect(0,0, size.width(), size.height()); /* // rotating painter.setMatrix(painter.matrix().inverted()); //qt = painter.transform(); qm = painter.combinedMatrix(); */ if (mousepressed && mymousemode == Dragging) { QRect rect = QRect(pre_click_px, current_mouse_pos); painter.drawRect(rect); } // Draw the Lat and Lon if needed if (cursorPosVisible) { line = distanceList.at( currentZoom() ) / pow(2, 18-currentZoom() ) / 0.597164; QString str; str = QString(tr(" Lat: %1")).arg(currentWorldCoordinate.y()); painter.drawText(QPoint((int)line+70,size.height()-15), str); str = QString(tr(" Lon: %1")).arg(currentWorldCoordinate.x()); painter.drawText(QPoint((int)line+160,size.height()-15), str); } emit viewChanged(currentCoordinate(), currentZoom()); } // mouse events void MapControl::mousePressEvent(QMouseEvent* evnt) { //rotating (experimental) // QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers()); // evnt = me; // qDebug() << "evnt: " << evnt->x() << ", " << evnt->y() << ", " << evnt->pos(); layermanager->mouseEvent(evnt); if (layermanager->layers().size()>0) { if (evnt->button() == 1) { mousepressed = true; pre_click_px = QPoint(evnt->x(), evnt->y()); } else if (evnt->button() == 2 && mymousemode != None) // zoom in { zoomIn(); } else if (evnt->button() == 4 && mymousemode != None) // zoom out { zoomOut(); } } // emit(mouseEvent(evnt)); emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); } void MapControl::mouseReleaseEvent(QMouseEvent* evnt) { layermanager->mouseEvent(evnt); mousepressed = false; if (mymousemode == Dragging) { QPointF ulCoord = clickToWorldCoordinate(pre_click_px); QPointF lrCoord = clickToWorldCoordinate(current_mouse_pos); QRectF coordinateBB = QRectF(ulCoord, QSizeF( (lrCoord-ulCoord).x(), (lrCoord-ulCoord).y())); emit(boxDragged(coordinateBB)); } emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); } void MapControl::mouseMoveEvent(QMouseEvent* evnt) { layermanager->mouseEvent(evnt); emit(mouseEvent(evnt)); /* // rotating QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers()); evnt = me; */ if (mousepressed && mymousemode == Panning) { QPoint offset = pre_click_px - QPoint(evnt->x(), evnt->y()); layermanager->scrollView(offset); pre_click_px = QPoint(evnt->x(), evnt->y()); } else if (mousepressed && mymousemode == Dragging) { current_mouse_pos = QPoint(evnt->x(), evnt->y()); } // emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); currentWorldCoordinate = clickToWorldCoordinate(evnt->pos()); emit(mouseMoveCoordinateEvent(currentWorldCoordinate)); update(); //emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); } QPointF MapControl::clickToWorldCoordinate(QPoint click) { // click coordinate to image coordinate QPoint displayToImage= QPoint(click.x()-screen_middle.x()+layermanager->getMapmiddle_px().x(), click.y()-screen_middle.y()+layermanager->getMapmiddle_px().y()); // image coordinate to world coordinate return layermanager->layer()->mapadapter()->displayToCoordinate(displayToImage); } void MapControl::updateRequest(QRect rect) { update(rect); } void MapControl::updateRequestNew() { // qDebug() << "MapControl::updateRequestNew()"; layermanager->forceRedraw(); update(); } // slots void MapControl::zoomIn() { layermanager->zoomIn(); update(); } void MapControl::zoomOut() { layermanager->zoomOut(); update(); } void MapControl::setZoom(int zoomlevel) { layermanager->setZoom(zoomlevel); update(); } int MapControl::currentZoom() const { return layermanager->currentZoom(); } void MapControl::scrollLeft(int pixel) { layermanager->scrollView(QPoint(-pixel,0)); update(); } void MapControl::scrollRight(int pixel) { layermanager->scrollView(QPoint(pixel,0)); update(); } void MapControl::scrollUp(int pixel) { layermanager->scrollView(QPoint(0,-pixel)); update(); } void MapControl::scrollDown(int pixel) { layermanager->scrollView(QPoint(0,pixel)); update(); } void MapControl::scroll(const QPoint scroll) { layermanager->scrollView(scroll); update(); } void MapControl::setView(const QPointF& coordinate) const { layermanager->setView(coordinate); } void MapControl::setView(const QList coordinates) const { layermanager->setView(coordinates); } void MapControl::setViewAndZoomIn(const QList coordinates) const { layermanager->setViewAndZoomIn(coordinates); } void MapControl::setView(const Point* point) const { layermanager->setView(point->coordinate()); } void MapControl::loadingFinished() { // qDebug() << "MapControl::loadingFinished()"; layermanager->removeZoomImage(); } void MapControl::addLayer(Layer* layer) { layermanager->addLayer(layer); } void MapControl::setMouseMode(MouseMode mousemode) { mymousemode = mousemode; } MapControl::MouseMode MapControl::mouseMode() { return mymousemode; } void MapControl::stopFollowing(Geometry* geom) { geom->disconnect(SIGNAL(positionChanged(Geometry*))); } void MapControl::enablePersistentCache(const QDir& path) { ImageManager::instance()->setCacheDir(path); } void MapControl::setProxy(QString host, int port) { ImageManager::instance()->setProxy(host, port); } void MapControl::showScale(bool show) { scaleVisible = show; } void MapControl::showCoord(bool show) { cursorPosVisible = show; } void MapControl::resize(const QSize newSize) { this->size = newSize; screen_middle = QPoint(newSize.width()/2, newSize.height()/2); this->setMaximumSize(newSize.width()+1, newSize.height()+1); layermanager->resize(newSize); } }