Placefile line hover in-work

scwx-qt/source/scwx/qt/map/draw_layer.cpp

@@ -77,7 +77,8 @@ void DrawLayer::Deinitialize()
 }
 
 bool DrawLayer::RunMousePicking(
-   const QMapLibreGL::CustomLayerRenderParameters& params)
+   const QMapLibreGL::CustomLayerRenderParameters& params,
+   const glm::vec2&                                mousePos)
 {
    bool itemPicked = false;
 
@@ -85,7 +86,7 @@ bool DrawLayer::RunMousePicking(
    for (auto it = p->drawList_.rbegin(); it != p->drawList_.rend(); ++it)
    {
       // Run mouse picking on each draw item
-      if ((*it)->RunMousePicking(params))
+      if ((*it)->RunMousePicking(params, mousePos))
       {
          // If a draw item was picked, don't process additional items
          itemPicked = true;

scwx-qt/source/scwx/qt/map/draw_layer.hpp

@@ -23,8 +23,9 @@ public:
    Render(const QMapLibreGL::CustomLayerRenderParameters&) override;
    virtual void Deinitialize() override;
 
-   virtual bool RunMousePicking(
-      const QMapLibreGL::CustomLayerRenderParameters& params) override;
+   virtual bool
+   RunMousePicking(const QMapLibreGL::CustomLayerRenderParameters& params,
+                   const glm::vec2& mousePos) override;
 
 protected:
    void AddDrawItem(const std::shared_ptr<gl::draw::DrawItem>& drawItem);

scwx-qt/source/scwx/qt/map/generic_layer.cpp

@@ -27,7 +27,8 @@ GenericLayer::GenericLayer(std::shared_ptr<MapContext> context) :
 GenericLayer::~GenericLayer() = default;
 
 bool GenericLayer::RunMousePicking(
-   const QMapLibreGL::CustomLayerRenderParameters& /* params */)
+   const QMapLibreGL::CustomLayerRenderParameters& /* params */,
+   const glm::vec2& /* mousePos */)
 {
    // By default, the layer has nothing to pick
    return false;

scwx-qt/source/scwx/qt/map/generic_layer.hpp

@@ -6,6 +6,7 @@
 
 #include <QObject>
 #include <QMapLibreGL/QMapLibreGL>
+#include <glm/gtc/type_ptr.hpp>
 
 namespace scwx
 {
@@ -32,11 +33,13 @@ public:
     * @brief Run mouse picking on the layer.
     *
     * @param [in] params Custom layer render parameters
+    * @param [in] mousePos Mouse cursor location in map screen coordinates
     *
     * @return true if a draw item was picked, otherwise false
     */
    virtual bool
-   RunMousePicking(const QMapLibreGL::CustomLayerRenderParameters& params);
+   RunMousePicking(const QMapLibreGL::CustomLayerRenderParameters& params,
+                   const glm::vec2&                                mousePos);
 
 protected:
    std::shared_ptr<MapContext> context() const;

scwx-qt/source/scwx/qt/map/map_widget.cpp

@@ -13,6 +13,7 @@
 #include <scwx/qt/map/radar_range_layer.hpp>
 #include <scwx/qt/model/imgui_context_model.hpp>
 #include <scwx/qt/util/file.hpp>
+#include <scwx/qt/util/maplibre.hpp>
 #include <scwx/qt/view/radar_product_view_factory.hpp>
 #include <scwx/util/logger.hpp>
 #include <scwx/util/time.hpp>
@@ -172,6 +173,7 @@ public:
 
    common::Level2Product selectedLevel2Product_;
 
+   bool            hasMouse_ {false};
    QPointF         lastPos_;
    std::size_t     currentStyleIndex_;
    const MapStyle* currentStyle_;
@@ -862,6 +864,16 @@ void MapWidgetImpl::AddLayer(const std::string&            id,
    layerList_.push_back(id);
 }
 
+void MapWidget::enterEvent(QEnterEvent* /* ev */)
+{
+   p->hasMouse_ = true;
+}
+
+void MapWidget::leaveEvent(QEvent* /* ev */)
+{
+   p->hasMouse_ = false;
+}
+
 void MapWidget::keyPressEvent(QKeyEvent* ev)
 {
    switch (ev->key())
@@ -1024,7 +1036,10 @@ void MapWidget::paintGL()
    p->map_->render();
 
    // Perform mouse picking
-   p->RunMousePicking();
+   if (p->hasMouse_)
+   {
+      p->RunMousePicking();
+   }
 
    // Render ImGui Frame
    ImGui::Render();
@@ -1039,13 +1054,17 @@ void MapWidgetImpl::RunMousePicking()
    const QMapLibreGL::CustomLayerRenderParameters params =
       context_->render_parameters();
 
+   auto coordinate = map_->coordinateForPixel(lastPos_);
+   auto mouseScreenCoordinate =
+      util::maplibre::LatLongToScreenCoordinate(coordinate);
+
    // For each layer in reverse
    // TODO: All Generic Layers, not just Placefile Layers
    for (auto it = placefileLayers_.rbegin(); it != placefileLayers_.rend();
         ++it)
    {
       // Run mouse picking for each layer
-      if ((*it)->RunMousePicking(params))
+      if ((*it)->RunMousePicking(params, mouseScreenCoordinate))
       {
          // If a draw item was picked, don't process additional layers
          break;

scwx-qt/source/scwx/qt/map/map_widget.hpp

@@ -119,7 +119,9 @@ private:
    qreal pixelRatio();
 
    // QWidget implementation.
+   void enterEvent(QEnterEvent* ev) override final;
    void keyPressEvent(QKeyEvent* ev) override final;
+   void leaveEvent(QEvent* ev) override final;
    void mousePressEvent(QMouseEvent* ev) override final;
    void mouseMoveEvent(QMouseEvent* ev) override final;
    void wheelEvent(QWheelEvent* ev) override final;