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| Rev | Author | Line No. | Line |
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| 305 | KeyOz | 1 | /* |
| 2 | * |
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| 3 | * This file is part of QMapControl, |
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| 4 | * an open-source cross-platform map widget |
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| 5 | * |
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| 6 | * Copyright (C) 2007 - 2008 Kai Winter |
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| 7 | * |
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| 8 | * This program is free software: you can redistribute it and/or modify |
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| 9 | * it under the terms of the GNU Lesser General Public License as published by |
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| 10 | * the Free Software Foundation, either version 3 of the License, or |
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| 11 | * (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public License |
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| 19 | * along with QMapControl. If not, see <http://www.gnu.org/licenses/>. |
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| 20 | * |
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| 21 | * Contact e-mail: kaiwinter@gmx.de |
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| 22 | * Program URL : http://qmapcontrol.sourceforge.net/ |
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| 23 | * |
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| 24 | */ |
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| 25 | |||
| 26 | #include "mapcontrol.h" |
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| 27 | namespace qmapcontrol |
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| 28 | { |
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| 29 | MapControl::MapControl(QSize size, MouseMode mousemode) |
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| 30 | : size(size), mymousemode(mousemode), scaleVisible(false) |
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| 31 | { |
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| 32 | layermanager = new LayerManager(this, size); |
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| 33 | screen_middle = QPoint(size.width()/2, size.height()/2); |
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| 34 | |||
| 35 | mousepressed = false; |
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| 36 | |||
| 37 | connect(ImageManager::instance(), SIGNAL(imageReceived()), |
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| 38 | this, SLOT(updateRequestNew())); |
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| 39 | |||
| 40 | connect(ImageManager::instance(), SIGNAL(loadingFinished()), |
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| 41 | this, SLOT(loadingFinished())); |
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| 42 | |||
| 43 | this->setMaximumSize(size.width()+1, size.height()+1); |
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| 44 | } |
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| 45 | |||
| 46 | MapControl::~MapControl() |
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| 47 | { |
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| 48 | delete layermanager; |
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| 49 | } |
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| 50 | |||
| 51 | QPointF MapControl::currentCoordinate() const |
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| 52 | { |
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| 53 | return layermanager->currentCoordinate(); |
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| 54 | } |
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| 55 | |||
| 56 | Layer* MapControl::layer(const QString& layername) const |
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| 57 | { |
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| 58 | return layermanager->layer(layername); |
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| 59 | } |
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| 60 | |||
| 61 | QList<QString> MapControl::layers() const |
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| 62 | { |
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| 63 | return layermanager->layers(); |
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| 64 | } |
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| 65 | |||
| 66 | int MapControl::numberOfLayers() const |
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| 67 | { |
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| 68 | return layermanager->layers().size(); |
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| 69 | } |
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| 70 | |||
| 71 | void MapControl::followGeometry(const Geometry* geom) const |
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| 72 | { |
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| 73 | connect(geom, SIGNAL(positionChanged(Geometry*)), |
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| 74 | this, SLOT(positionChanged(Geometry*))); |
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| 75 | } |
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| 76 | |||
| 77 | void MapControl::positionChanged(Geometry* geom) |
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| 78 | { |
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| 79 | QPoint start = layermanager->layer()->mapadapter()->coordinateToDisplay(currentCoordinate()); |
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| 80 | QPoint dest = layermanager->layer()->mapadapter()->coordinateToDisplay(((Point*)geom)->coordinate()); |
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| 81 | |||
| 82 | QPoint step = (dest-start); |
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| 83 | |||
| 84 | layermanager->scrollView(step); |
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| 85 | |||
| 86 | // setView(geom); |
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| 87 | update(); |
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| 88 | } |
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| 89 | |||
| 90 | void MapControl::moveTo(QPointF coordinate) |
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| 91 | { |
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| 92 | target = coordinate; |
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| 93 | steps = 25; |
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| 94 | if (moveMutex.tryLock()) |
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| 95 | { |
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| 96 | QTimer::singleShot(40, this, SLOT(tick())); |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | // stopMove(coordinate); |
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| 101 | } |
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| 102 | } |
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| 103 | void MapControl::tick() |
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| 104 | { |
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| 105 | QPoint start = layermanager->layer()->mapadapter()->coordinateToDisplay(currentCoordinate()); |
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| 106 | QPoint dest = layermanager->layer()->mapadapter()->coordinateToDisplay(target); |
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| 107 | |||
| 108 | QPoint step = (dest-start)/steps; |
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| 109 | QPointF next = currentCoordinate()- step; |
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| 110 | |||
| 111 | // setView(Coordinate(next.x(), next.y())); |
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| 112 | layermanager->scrollView(step); |
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| 113 | |||
| 114 | update(); |
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| 115 | steps--; |
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| 116 | if (steps>0) |
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| 117 | { |
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| 118 | QTimer::singleShot(40, this, SLOT(tick())); |
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| 119 | } |
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| 120 | else |
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| 121 | { |
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| 122 | moveMutex.unlock(); |
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| 123 | } |
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| 124 | } |
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| 125 | |||
| 126 | void MapControl::paintEvent(QPaintEvent* evnt) |
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| 127 | { |
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| 128 | QWidget::paintEvent(evnt); |
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| 129 | QPainter painter(this); |
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| 130 | |||
| 131 | // painter.translate(150,190); |
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| 132 | // painter.scale(0.5,0.5); |
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| 133 | |||
| 134 | // painter.setClipRect(0,0, size.width(), size.height()); |
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| 135 | |||
| 136 | // painter.setViewport(10000000000,0,size.width(),size.height()); |
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| 137 | |||
| 138 | /* |
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| 139 | // rotating |
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| 140 | rotation = 45; |
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| 141 | painter.translate(256,256); |
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| 142 | painter.rotate(rotation); |
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| 143 | painter.translate(-256,-256); |
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| 144 | */ |
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| 145 | |||
| 146 | layermanager->drawImage(&painter); |
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| 147 | layermanager->drawGeoms(&painter); |
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| 148 | |||
| 149 | // added by wolf |
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| 150 | // draw scale |
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| 151 | if (scaleVisible) |
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| 152 | { |
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| 153 | QList<double> distanceList; |
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| 154 | distanceList<<5000000<<2000000<<1000000<<1000000<<1000000<<100000<<100000<<50000<<50000<<10000<<10000<<10000<<1000<<1000<<500<<200<<100<<50<<25; |
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| 155 | if (currentZoom() >= 0 && distanceList.size() > currentZoom()) |
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| 156 | { |
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| 157 | double line; |
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| 158 | line = distanceList.at( currentZoom() ) / pow(2, 18-currentZoom() ) / 0.597164; |
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| 159 | |||
| 160 | // draw the scale |
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| 161 | painter.setPen(Qt::black); |
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| 162 | QPoint p1(10,size.height()-20); |
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| 163 | QPoint p2((int)line,size.height()-20); |
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| 164 | painter.drawLine(p1,p2); |
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| 165 | |||
| 166 | painter.drawLine(10,size.height()-15, 10,size.height()-25); |
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| 167 | painter.drawLine((int)line,size.height()-15, (int)line,size.height()-25); |
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| 168 | |||
| 169 | QString distance; |
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| 170 | if (distanceList.at(currentZoom()) >= 1000) |
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| 171 | { |
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| 172 | distance = QVariant( distanceList.at(currentZoom())/1000 ) .toString()+ " km"; |
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| 173 | } |
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| 174 | else |
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| 175 | { |
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| 176 | distance = QVariant( distanceList.at(currentZoom()) ).toString() + " m"; |
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| 177 | } |
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| 178 | |||
| 179 | painter.drawText(QPoint((int)line+10,size.height()-15), distance); |
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| 180 | } |
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| 181 | } |
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| 182 | |||
| 183 | painter.drawLine(screen_middle.x(), screen_middle.y()-10, |
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| 184 | screen_middle.x(), screen_middle.y()+10); // | |
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| 185 | painter.drawLine(screen_middle.x()-10, screen_middle.y(), |
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| 186 | screen_middle.x()+10, screen_middle.y()); // - |
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| 187 | |||
| 188 | // int cross_x = int(layermanager->getMapmiddle_px().x())%256; |
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| 189 | // int cross_y = int(layermanager->getMapmiddle_px().y())%256; |
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| 190 | // painter.drawLine(screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+0, |
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| 191 | // screen_middle.x()-cross_x+cross_x, screen_middle.y()-cross_y+256); // | |
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| 192 | // painter.drawLine(screen_middle.x()-cross_x+0, screen_middle.y()-cross_y+cross_y, |
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| 193 | // screen_middle.x()-cross_x+256, screen_middle.y()-cross_y+cross_y); // - |
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| 194 | |||
| 195 | painter.drawRect(0,0, size.width(), size.height()); |
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| 196 | /* |
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| 197 | // rotating |
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| 198 | painter.setMatrix(painter.matrix().inverted()); |
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| 199 | //qt = painter.transform(); |
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| 200 | qm = painter.combinedMatrix(); |
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| 201 | */ |
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| 202 | |||
| 203 | if (mousepressed && mymousemode == Dragging) |
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| 204 | { |
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| 205 | QRect rect = QRect(pre_click_px, current_mouse_pos); |
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| 206 | painter.drawRect(rect); |
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| 207 | } |
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| 208 | emit viewChanged(currentCoordinate(), currentZoom()); |
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| 209 | } |
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| 210 | |||
| 211 | // mouse events |
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| 212 | void MapControl::mousePressEvent(QMouseEvent* evnt) |
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| 213 | { |
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| 214 | //rotating (experimental) |
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| 215 | // QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers()); |
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| 216 | // evnt = me; |
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| 217 | // qDebug() << "evnt: " << evnt->x() << ", " << evnt->y() << ", " << evnt->pos(); |
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| 218 | |||
| 219 | layermanager->mouseEvent(evnt); |
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| 220 | |||
| 221 | if (layermanager->layers().size()>0) |
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| 222 | { |
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| 223 | if (evnt->button() == 1) |
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| 224 | { |
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| 225 | mousepressed = true; |
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| 226 | pre_click_px = QPoint(evnt->x(), evnt->y()); |
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| 227 | } |
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| 228 | else if (evnt->button() == 2 && mymousemode != None) // zoom in |
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| 229 | { |
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| 230 | zoomIn(); |
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| 231 | } else if (evnt->button() == 4 && mymousemode != None) // zoom out |
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| 232 | { |
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| 233 | zoomOut(); |
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| 234 | } |
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| 235 | } |
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| 236 | |||
| 237 | // emit(mouseEvent(evnt)); |
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| 238 | emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); |
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| 239 | } |
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| 240 | |||
| 241 | void MapControl::mouseReleaseEvent(QMouseEvent* evnt) |
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| 242 | { |
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| 243 | mousepressed = false; |
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| 244 | if (mymousemode == Dragging) |
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| 245 | { |
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| 246 | QPointF ulCoord = clickToWorldCoordinate(pre_click_px); |
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| 247 | QPointF lrCoord = clickToWorldCoordinate(current_mouse_pos); |
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| 248 | |||
| 249 | QRectF coordinateBB = QRectF(ulCoord, QSizeF( (lrCoord-ulCoord).x(), (lrCoord-ulCoord).y())); |
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| 250 | |||
| 251 | emit(boxDragged(coordinateBB)); |
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| 252 | } |
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| 253 | |||
| 254 | emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); |
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| 255 | } |
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| 256 | |||
| 257 | void MapControl::mouseMoveEvent(QMouseEvent* evnt) |
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| 258 | { |
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| 259 | // emit(mouseEvent(evnt)); |
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| 260 | |||
| 261 | /* |
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| 262 | // rotating |
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| 263 | QMouseEvent* me = new QMouseEvent(evnt->type(), qm.map(QPoint(evnt->x(),evnt->y())), evnt->button(), evnt->buttons(), evnt->modifiers()); |
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| 264 | evnt = me; |
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| 265 | */ |
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| 266 | if (mousepressed && mymousemode == Panning) |
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| 267 | { |
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| 268 | QPoint offset = pre_click_px - QPoint(evnt->x(), evnt->y()); |
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| 269 | layermanager->scrollView(offset); |
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| 270 | pre_click_px = QPoint(evnt->x(), evnt->y()); |
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| 271 | } |
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| 272 | else if (mousepressed && mymousemode == Dragging) |
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| 273 | { |
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| 274 | current_mouse_pos = QPoint(evnt->x(), evnt->y()); |
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| 275 | } |
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| 276 | // emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); |
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| 277 | |||
| 278 | update(); |
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| 279 | // emit(mouseEventCoordinate(evnt, clickToWorldCoordinate(evnt->pos()))); |
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| 280 | } |
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| 281 | |||
| 282 | QPointF MapControl::clickToWorldCoordinate(QPoint click) |
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| 283 | { |
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| 284 | // click coordinate to image coordinate |
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| 285 | QPoint displayToImage= QPoint(click.x()-screen_middle.x()+layermanager->getMapmiddle_px().x(), |
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| 286 | click.y()-screen_middle.y()+layermanager->getMapmiddle_px().y()); |
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| 287 | // image coordinate to world coordinate |
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| 288 | return layermanager->layer()->mapadapter()->displayToCoordinate(displayToImage); |
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| 289 | } |
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| 290 | |||
| 291 | void MapControl::updateRequest(QRect rect) |
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| 292 | { |
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| 293 | update(rect); |
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| 294 | } |
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| 295 | void MapControl::updateRequestNew() |
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| 296 | { |
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| 297 | // qDebug() << "MapControl::updateRequestNew()"; |
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| 298 | layermanager->forceRedraw(); |
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| 299 | update(); |
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| 300 | } |
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| 301 | // slots |
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| 302 | void MapControl::zoomIn() |
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| 303 | { |
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| 304 | layermanager->zoomIn(); |
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| 305 | update(); |
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| 306 | } |
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| 307 | void MapControl::zoomOut() |
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| 308 | { |
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| 309 | layermanager->zoomOut(); |
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| 310 | update(); |
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| 311 | } |
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| 312 | void MapControl::setZoom(int zoomlevel) |
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| 313 | { |
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| 314 | layermanager->setZoom(zoomlevel); |
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| 315 | update(); |
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| 316 | } |
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| 317 | int MapControl::currentZoom() const |
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| 318 | { |
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| 319 | return layermanager->currentZoom(); |
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| 320 | } |
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| 321 | void MapControl::scrollLeft(int pixel) |
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| 322 | { |
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| 323 | layermanager->scrollView(QPoint(-pixel,0)); |
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| 324 | update(); |
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| 325 | } |
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| 326 | void MapControl::scrollRight(int pixel) |
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| 327 | { |
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| 328 | layermanager->scrollView(QPoint(pixel,0)); |
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| 329 | update(); |
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| 330 | } |
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| 331 | void MapControl::scrollUp(int pixel) |
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| 332 | { |
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| 333 | layermanager->scrollView(QPoint(0,-pixel)); |
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| 334 | update(); |
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| 335 | } |
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| 336 | void MapControl::scrollDown(int pixel) |
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| 337 | { |
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| 338 | layermanager->scrollView(QPoint(0,pixel)); |
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| 339 | update(); |
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| 340 | } |
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| 341 | void MapControl::scroll(const QPoint scroll) |
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| 342 | { |
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| 343 | layermanager->scrollView(scroll); |
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| 344 | update(); |
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| 345 | } |
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| 346 | |||
| 347 | void MapControl::setView(const QPointF& coordinate) const |
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| 348 | { |
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| 349 | layermanager->setView(coordinate); |
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| 350 | } |
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| 351 | |||
| 352 | void MapControl::setView(const QList<QPointF> coordinates) const |
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| 353 | { |
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| 354 | layermanager->setView(coordinates); |
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| 355 | } |
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| 356 | |||
| 357 | void MapControl::setViewAndZoomIn(const QList<QPointF> coordinates) const |
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| 358 | { |
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| 359 | layermanager->setViewAndZoomIn(coordinates); |
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| 360 | } |
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| 361 | |||
| 362 | void MapControl::setView(const Point* point) const |
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| 363 | { |
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| 364 | layermanager->setView(point->coordinate()); |
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| 365 | } |
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| 366 | |||
| 367 | void MapControl::loadingFinished() |
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| 368 | { |
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| 369 | // qDebug() << "MapControl::loadingFinished()"; |
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| 370 | layermanager->removeZoomImage(); |
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| 371 | } |
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| 372 | void MapControl::addLayer(Layer* layer) |
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| 373 | { |
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| 374 | layermanager->addLayer(layer); |
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| 375 | } |
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| 376 | |||
| 377 | void MapControl::setMouseMode(MouseMode mousemode) |
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| 378 | { |
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| 379 | mymousemode = mousemode; |
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| 380 | } |
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| 381 | MapControl::MouseMode MapControl::mouseMode() |
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| 382 | { |
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| 383 | return mymousemode; |
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| 384 | } |
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| 385 | |||
| 386 | void MapControl::stopFollowing(Geometry* geom) |
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| 387 | { |
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| 388 | geom->disconnect(SIGNAL(positionChanged(Geometry*))); |
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| 389 | } |
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| 390 | |||
| 391 | void MapControl::enablePersistentCache(const QDir& path) |
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| 392 | { |
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| 393 | ImageManager::instance()->setCacheDir(path); |
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| 394 | } |
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| 395 | |||
| 396 | void MapControl::setProxy(QString host, int port) |
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| 397 | { |
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| 398 | ImageManager::instance()->setProxy(host, port); |
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| 399 | } |
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| 400 | |||
| 401 | void MapControl::showScale(bool show) |
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| 402 | { |
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| 403 | scaleVisible = show; |
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| 404 | } |
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| 405 | |||
| 406 | void MapControl::resize(const QSize newSize) |
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| 407 | { |
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| 408 | this->size = newSize; |
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| 409 | screen_middle = QPoint(newSize.width()/2, newSize.height()/2); |
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| 410 | |||
| 411 | this->setMaximumSize(newSize.width()+1, newSize.height()+1); |
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| 412 | layermanager->resize(newSize); |
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| 413 | } |
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| 414 | } |