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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkRemoteInteractionAdapter
* @brief Map vtk-js interaction events to native VTK events
*
* Apply an vtk-js events to a vtkRenderWindowInteractor.
* For the expected format see
* https://github.com/Kitware/vtk-js/blob/master/Sources/Interaction/Style/InteractorStyleRemoteMouse/index.js
*
* Events are processed in the `ProcessEvent` method which can be called
* either as a static method providing all the relevant parameters as arguments
* or a class method with the parameters provided via member variables.
*
*/
#ifndef vtkRemoteInteractionAdapter_h
#define vtkRemoteInteractionAdapter_h
#include "vtkObject.h"
#include "vtkWebCoreModule.h" // for exports
VTK_ABI_NAMESPACE_BEGIN
class vtkRenderWindowInteractor;
class VTKWEBCORE_EXPORT vtkRemoteInteractionAdapter : public vtkObject
{
public:
static vtkRemoteInteractionAdapter* New();
vtkTypeMacro(vtkRemoteInteractionAdapter, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* @brief Apply the vtk-js event to the internal RenderWindowInteractor
* @param event stringified json representation of a vtk-js interaction event.
* @return true if the event is processed , false otherwise
*/
bool ProcessEvent(const std::string& event);
/**
* Static version of ProcessEvent(const std::string&)
* @return true if the event is processed , false otherwise
*/
static bool ProcessEvent(vtkRenderWindowInteractor* iren, const std::string& event,
double devicePixelRatio = 1.0, double devicePixelRatioTolerance = 1e-5);
///@{
// Get/Set the ratio between physical (onscreen) pixel and logical (rendered image)
vtkSetMacro(DevicePixelRatio, double);
vtkGetMacro(DevicePixelRatio, double);
///@}
///@{
/**
* Tolerance used when truncating the event position from
* physical to logical. i.e. int event_position_x = int(event.at("x") * devicePixelRatio +
* devicePixelRatioTolerance)
*/
vtkSetMacro(DevicePixelRatioTolerance, double);
vtkGetMacro(DevicePixelRatioTolerance, double);
///@}
///@{
// Get/Set the Interactor to apply the event to.
void SetInteractor(vtkRenderWindowInteractor* iren);
vtkGetObjectMacro(Interactor, vtkRenderWindowInteractor);
///@}
protected:
vtkRemoteInteractionAdapter();
~vtkRemoteInteractionAdapter() override;
private:
vtkRemoteInteractionAdapter(const vtkRemoteInteractionAdapter&) = delete;
void operator=(const vtkRemoteInteractionAdapter&) = delete;
double DevicePixelRatio = 1.0;
double DevicePixelRatioTolerance = 1e-5;
vtkRenderWindowInteractor* Interactor = nullptr;
};
VTK_ABI_NAMESPACE_END
#endif
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