Copy coordinates from map.

Implement #28.

Author: Fabien-B

src/widgets/map/map2d.cpp

@@ -263,6 +263,11 @@ void Map2D::mouseMoveEvent(QMouseEvent *event) {
     if(event->buttons() & mouse_load_tiles_mask) {
         updateTiles();
     }
+    
+    QPointF scenePos = mapToScene(event->pos());
+    auto tp = tilePoint(scenePos, zoomLevel(zoom()), tileSize());
+    Point2DPseudoMercator ppm(tp);
+    mouse_coords = CoordinatesTransform::get()->pseudoMercator_to_WGS84(ppm);
 }
 
 void Map2D::updateTiles() {

src/widgets/map/map2d.h

@@ -40,6 +40,8 @@ class Map2D : public QGraphicsView
     double scaleFactor() {return pow(2, _zoom - zoomLevel(_zoom));}
     void setMouseLoadTileMask(int mask) {mouse_load_tiles_mask = mask;}
 
+    Point2DLatLon getMouseCoords() { return mouse_coords;}
+
 signals:
     void backgroundChanged(QColor);
 
@@ -79,6 +81,8 @@ private slots:
     QMap<QString, TileProvider*> tile_providers;
 
     QColor m_color_background;
+
+    Point2DLatLon mouse_coords;
 };
 
 #endif // MAP2D_H

src/widgets/map/mapwidget.cpp

@@ -109,6 +109,15 @@ MapWidget::MapWidget(QWidget *parent) : Map2D(parent),
 
     // Context menu
     mapMenu = new QMenu("Map", pprzApp()->mainWindow());
+
+    auto copy_coordinates = mapMenu->addAction("Copy coordinates");
+    connect(copy_coordinates, &QAction::triggered, this, [=](){
+        auto mc = getMouseCoords();
+        auto clipboard = QApplication::clipboard();
+        auto mc_txt = QString("%1, %2").arg(mc.lat(), 0, 'f', 7).arg(mc.lon(), 0, 'f', 7);
+        clipboard->setText(mc_txt);
+    });
+
     show_hidden_wp_action = mapMenu->addAction("Show hidden waypoints");
     show_hidden_wp_action->setCheckable(true);
     connect(show_hidden_wp_action, &QAction::toggled, [=](bool show) {