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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVRControlsHelper.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkVRControlsHelper
* @brief Tooltip helper explaining controls
* Helper class to draw one tooltip per button around the controller.
*
* @sa
* vtkVRPanelRepresentation
*/
#ifndef vtkVRControlsHelper_h
#define vtkVRControlsHelper_h
#include "vtkEventData.h" // for vtkEventDataDevice
#include "vtkNew.h" // for iVar
#include "vtkProp.h"
#include "vtkRenderingVRModule.h" // For export macro
#include "vtkWeakPointer.h" // needed for vtkWeakPointer iVar.
#include <string> // for std::string
VTK_ABI_NAMESPACE_BEGIN
class vtkActor;
class vtkCallbackCommand;
class vtkLineSource;
class vtkPolyDataMapper;
class vtkRenderer;
class vtkTextActor3D;
class vtkTransform;
class VTKRENDERINGVR_EXPORT vtkVRControlsHelper : public vtkProp
{
public:
///@{
/**
* Standard methods for the class.
*/
vtkTypeMacro(vtkVRControlsHelper, vtkProp);
void PrintSelf(ostream& os, vtkIndent indent) override;
///@}
enum ButtonSides
{
Back = -1,
Front = 1
};
enum DrawSides
{
Left = -1,
Right = 1
};
///@{
/**
* Methods to interface with the vtkVRPanelWidget.
*/
void BuildRepresentation();
void UpdateRepresentation();
///@}
///@{
/**
* Methods supporting the rendering process.
*/
void ReleaseGraphicsResources(vtkWindow*) override;
int RenderOpaqueGeometry(vtkViewport*) override;
int RenderTranslucentPolygonalGeometry(vtkViewport*) override;
vtkTypeBool HasTranslucentPolygonalGeometry() override;
///@}
///@{
/**
* Set Tooltip text (used by TextActor)
*/
void SetText(const std::string& str);
///@}
void SetTooltipInfo(const char* s, int buttonSide, int drawSide, const char* txt)
{
if (!s || !txt)
{
return;
}
this->ComponentName = std::string(s);
this->DrawSide = drawSide;
this->ButtonSide = buttonSide;
this->SetText(std::string(txt));
}
void SetEnabled(bool enabled);
vtkGetMacro(Enabled, bool);
vtkBooleanMacro(Enabled, bool);
void SetDevice(vtkEventDataDevice val);
virtual void SetRenderer(vtkRenderer* ren);
virtual vtkRenderer* GetRenderer();
protected:
vtkVRControlsHelper();
~vtkVRControlsHelper() override;
double FrameSize[2];
// The text
vtkTextActor3D* TextActor;
std::string Text;
// The line
vtkLineSource* LineSource;
vtkPolyDataMapper* LineMapper;
vtkActor* LineActor;
vtkEventDataDevice Device;
// Tooltip parameters
std::string ComponentName;
int DrawSide; // Left/Right
int ButtonSide; // Front/Back
bool Enabled;
double ControlPositionLC[3];
// The renderer in which this widget is placed
vtkWeakPointer<vtkRenderer> Renderer;
vtkCallbackCommand* MoveCallbackCommand;
unsigned long ObserverTag;
static void MoveEvent(vtkObject* object, unsigned long event, void* clientdata, void* calldata);
/**
* Must be overridden in subclasses to init the member variable
* ControlPositionLC to position the tooltip on the component.
*/
virtual void InitControlPosition() = 0;
vtkNew<vtkTransform> TempTransform;
double LastPhysicalTranslation[3];
double LastEventPosition[3];
double LastEventOrientation[4];
bool NeedUpdate;
bool LabelVisible;
private:
vtkVRControlsHelper(const vtkVRControlsHelper&) = delete;
void operator=(const vtkVRControlsHelper&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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