VTK  9.1.0
vtkCenteredSliderWidget.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkCenteredSliderWidget.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
77 #ifndef vtkCenteredSliderWidget_h
78 #define vtkCenteredSliderWidget_h
79 
80 #include "vtkAbstractWidget.h"
81 #include "vtkInteractionWidgetsModule.h" // For export macro
82 
84 
85 class VTKINTERACTIONWIDGETS_EXPORT vtkCenteredSliderWidget : public vtkAbstractWidget
86 {
87 public:
92 
94 
98  void PrintSelf(ostream& os, vtkIndent indent) override;
100 
107  {
108  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
109  }
110 
115  {
116  return reinterpret_cast<vtkSliderRepresentation*>(this->WidgetRep);
117  }
118 
123 
127  double GetValue() { return this->Value; }
128 
129 protected:
131  ~vtkCenteredSliderWidget() override = default;
132 
133  // These are the events that are handled
138 
139  // Manage the state of the widget
142  {
143  Start = 0,
144  Sliding
145  };
146 
147  int TimerId;
149  double StartTime;
150  double Value;
151 
152 private:
154  void operator=(const vtkCenteredSliderWidget&) = delete;
155 };
156 
157 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
set a value by manipulating a slider
vtkSliderRepresentation * GetSliderRepresentation()
Return the representation as a vtkSliderRepresentation.
static vtkCenteredSliderWidget * New()
Instantiate the class.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard macros.
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
double GetValue()
Get the value fo this widget.
static void MoveAction(vtkAbstractWidget *)
static void TimerAction(vtkAbstractWidget *)
~vtkCenteredSliderWidget() override=default
static void EndSelectAction(vtkAbstractWidget *)
static void SelectAction(vtkAbstractWidget *)
void SetRepresentation(vtkSliderRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
a simple class to control print indentation
Definition: vtkIndent.h:34
abstract class defines the representation for a vtkSliderWidget
abstract class defines interface between the widget and widget representation classes