diff options
Diffstat (limited to 'platform/glfw/glfw_view.cpp')
| -rw-r--r-- | platform/glfw/glfw_view.cpp | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/platform/glfw/glfw_view.cpp b/platform/glfw/glfw_view.cpp index 9179113139..522a0c6f61 100644 --- a/platform/glfw/glfw_view.cpp +++ b/platform/glfw/glfw_view.cpp @@ -15,6 +15,7 @@ #include <mbgl/renderer/renderer.hpp> #include <mbgl/renderer/backend_scope.hpp> #include <mbgl/map/camera.hpp> +#include <mbgl/style/sources/geojson_source.hpp> #include <mapbox/cheap_ruler.hpp> #include <mapbox/geometry.hpp> @@ -518,6 +519,35 @@ void GLFWView::onMouseMove(GLFWwindow *window, double x, double y) { } view->lastX = x; view->lastY = y; + + if (view->tracking || view->rotating || view->pitching) return; + + mbgl::ScreenCoordinate screenCoordinate = { x, y }; + + std::vector<mbgl::Feature> features = view->rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate,{ }); + + if (features.empty() && !view->hoveredId) return; + auto pointsSource = view->map->getStyle().getSource("points"); + if (pointsSource && pointsSource->is<mbgl::style::GeoJSONSource>()) { + auto gj = pointsSource->as<mbgl::style::GeoJSONSource>(); + + if (features.size() >= 1 && features[0].id) { + const auto& fId = features[0].id; + + if (view->hoveredId != fId) { + if (view->hoveredId) { + gj->setFeatureState(*(view->hoveredId), "hover", false); + } + gj->setFeatureState(*(features[0].id), "hover", true); + view->hoveredId = features[0].id; + view->invalidate(); + } + } else if (view->hoveredId) { + gj->setFeatureState(*(view->hoveredId), "hover", false); + view->hoveredId = mbgl::nullopt; + view->invalidate(); + } + } } void GLFWView::run() { @@ -539,7 +569,6 @@ void GLFWView::run() { updateAnimatedAnnotations(); activate(); - rendererFrontend->render(); glfwSwapBuffers(window); |