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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSMTooltipSelectionPipeline.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.
=========================================================================*/
// .NAME vtkSMTooltipSelectionPipeline -- Pipeline for point tooltip mode
//
// .SECTION Description
// Point tooltip mode enables the user to inspect points (coordinates,
// data array values) by hovering the mouse cursor over a point.
// This is a global object that holds the pipeline for showing the point
// tooltip mode.
//
// .SECTION See Also
// vtkSMPreselectionPipeline vtkSMInteractiveSelectionPipeline
#ifndef vtkSMTooltipSelectionPipeline_h
#define vtkSMTooltipSelectionPipeline_h
#include "vtkPVServerManagerDefaultModule.h" //needed for exports
#include "vtkSMPreselectionPipeline.h"
#include <string> // STL Header
class vtkDataObject;
class vtkDataSet;
class VTKPVSERVERMANAGERDEFAULT_EXPORT vtkSMTooltipSelectionPipeline :
public vtkSMPreselectionPipeline
{
public:
static vtkSMTooltipSelectionPipeline* New();
vtkTypeMacro(vtkSMTooltipSelectionPipeline,vtkSMPreselectionPipeline);
void PrintSelf(ostream& os, vtkIndent indent );
static vtkSMTooltipSelectionPipeline* GetInstance();
// Description:
// Re-implemented from vtkSMPreselectionPipeline
virtual void Hide(vtkSMRenderViewProxy* view);
virtual void Show(vtkSMSourceProxy* sourceRepresentation,
vtkSMSourceProxy* selection, vtkSMRenderViewProxy* view);
// Description:
// Return true if a tooltip can be displayed according to the context,
// otherwise return false. The argument showTooltip is true if the tooltip
// must be shown, false if the tooltip must be hidden.
bool CanDisplayTooltip(bool& showTooltip);
// Description:
// Get information about the tooltip to be displayed.
// Return false if the method failed computing information.
bool GetTooltipInfo(double tooltipPos[2], std::string& tooltipText);
protected:
vtkSMTooltipSelectionPipeline();
~vtkSMTooltipSelectionPipeline();
// Description:
// Re-implemented from vtkSMPreselectionPipeline
void ClearCache();
// Description:
// Connect the ClientServerMoveData filter to the pipeline to get
// the selection on the client side.
vtkDataObject* ConnectPVMoveSelectionToClient(
vtkSMSourceProxy* source, unsigned int sourceOutputPort);
// Description:
// Get the id of the selected point.
bool GetCurrentSelectionId(vtkSMRenderViewProxy* view, vtkIdType& selId);
// Description:
// Extract dataset from the dataObject, which can be either directly a dataset
// or a composite dataset containing only one dataset.
vtkDataSet* FindDataSet(vtkDataObject* dataObject,
bool& compositeFound, std::string& compositeName);
vtkSMSourceProxy* MoveSelectionToClient;
vtkIdType PreviousSelectionId;
bool SelectionFound;
bool TooltipEnabled;
private:
// Not implemented
vtkSMTooltipSelectionPipeline(
const vtkSMTooltipSelectionPipeline&); // Not implemented
void operator=(const vtkSMTooltipSelectionPipeline&); // Not implemented
};
#endif
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