VTK  9.3.20240328
vtkLineWidget2.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
95 #ifndef vtkLineWidget2_h
96 #define vtkLineWidget2_h
97 
98 #include "vtkAbstractWidget.h"
99 #include "vtkInteractionWidgetsModule.h" // For export macro
100 
101 VTK_ABI_NAMESPACE_BEGIN
103 class vtkHandleWidget;
104 
105 class VTKINTERACTIONWIDGETS_EXPORT vtkLineWidget2 : public vtkAbstractWidget
106 {
107 public:
111  static vtkLineWidget2* New();
112 
114 
118  void PrintSelf(ostream& os, vtkIndent indent) override;
120 
125  void SetEnabled(int enabling) override;
126 
133  {
134  this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
135  }
136 
141  {
142  return reinterpret_cast<vtkLineRepresentation*>(this->WidgetRep);
143  }
144 
149 
155 
156 protected:
158  ~vtkLineWidget2() override;
159 
160  // Manage the state of the widget
163  {
164  Start = 0,
165  Active
166  };
167 
169 
170  // These methods handle events
176 
177  // The positioning handle widgets
178  vtkHandleWidget* Point1Widget; // first end point
179  vtkHandleWidget* Point2Widget; // second end point
180  vtkHandleWidget* LineHandle; // used when selecting the line
181 
183  static void ProcessKeyEvents(vtkObject*, unsigned long, void*, void*);
184 
185 private:
186  vtkLineWidget2(const vtkLineWidget2&) = delete;
187  void operator=(const vtkLineWidget2&) = delete;
188 };
189 
190 VTK_ABI_NAMESPACE_END
191 #endif
define the API for widget / widget representation
vtkWidgetRepresentation * WidgetRep
supports function callbacks
a general widget for moving handles
a simple class to control print indentation
Definition: vtkIndent.h:108
a class defining the representation for a vtkLineWidget2
3D widget for manipulating a finite, straight line
~vtkLineWidget2() override
vtkHandleWidget * Point1Widget
static void ProcessKeyEvents(vtkObject *, unsigned long, void *, void *)
vtkHandleWidget * Point2Widget
void SetRepresentation(vtkLineRepresentation *r)
Specify an instance of vtkWidgetRepresentation used to represent this widget in the scene.
vtkCallbackCommand * KeyEventCallbackCommand
static void EndSelectAction(vtkAbstractWidget *)
void CreateDefaultRepresentation() override
Create the default widget representation if one is not set.
static vtkLineWidget2 * New()
Instantiate the object.
static void MoveAction(vtkAbstractWidget *)
void PrintSelf(ostream &os, vtkIndent indent) override
Standard vtkObject methods.
static void ScaleAction(vtkAbstractWidget *)
void SetEnabled(int enabling) override
Override superclasses' SetEnabled() method because the line widget must enable its internal handle wi...
static void TranslateAction(vtkAbstractWidget *)
vtkLineRepresentation * GetLineRepresentation()
Return the representation as a vtkLineRepresentation.
vtkHandleWidget * LineHandle
static void SelectAction(vtkAbstractWidget *)
void SetProcessEvents(vtkTypeBool) override
Methods to change the whether the widget responds to interaction.
abstract base class for most VTK objects
Definition: vtkObject.h:161
abstract class defines interface between the widget and widget representation classes
int vtkTypeBool
Definition: vtkABI.h:64