DYTSrouce/src/scene/ui/QueryElevationWidget.h

#pragma once

#include <string>
#include <osgGA/GUIEventHandler>
#include <osgWidget/Box>
#include <osgWidget/Label>
#include <osgEarth/MapNode>

class QueryElevationWidget : public osgWidget::Box {
	class QueryElevationEventHandler : public osgGA::GUIEventHandler {
	public:
        QueryElevationEventHandler(osgEarth::MapNode* mapNode, QueryElevationWidget* widget);
        ~QueryElevationEventHandler() override;

		bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa) override;

	private:
		osgEarth::MapNode* mapNode_;
		QueryElevationWidget* widget_;
	};
public:
	QueryElevationWidget(class OEScene* oeScene);

	~QueryElevationWidget() override;

    void AttachViewUI(class OsgViewUI* ui);

	void OnUpdateGeoPoint(double x, double y, double z);
	void ResetCanvasPosition(double width, double height);
	
private:
	std::string GetElevationString(double x, double y, double z);

private:
	class OEScene* oeScene_;
	osg::ref_ptr<osgWidget::Label> label_;

};