VTK
vtkContextInteractorStyle.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkContextInteractorStyle.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 =========================================================================*/
25 #ifndef vtkContextInteractorStyle_h
26 #define vtkContextInteractorStyle_h
27 
28 #include "vtkViewsContext2DModule.h" // For export macro
29 #include "vtkInteractorStyle.h"
30 #include "vtkNew.h" // For ivars
31 #include "vtkWeakPointer.h" // For ivars
32 
34 class vtkContextScene;
35 
36 class VTKVIEWSCONTEXT2D_EXPORT vtkContextInteractorStyle : public vtkInteractorStyle
37 {
38 public:
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
50  void SetScene(vtkContextScene* scene);
51 
55  vtkContextScene* GetScene();
56 
60  virtual void OnSceneModified();
61 
66  void OnMouseMove() override;
67 
72  void OnLeftButtonDown() override;
73 
78  void OnLeftButtonUp() override;
79 
84  void OnMiddleButtonDown() override;
85 
90  void OnMiddleButtonUp() override;
91 
96  void OnRightButtonDown() override;
97 
102  void OnRightButtonUp() override;
103 
108  void OnMouseWheelForward() override;
109 
114  void OnMouseWheelBackward() override;
115 
120  virtual void OnSelection(unsigned int rect[5]);
121 
125  void OnChar() override;
126 
130  void OnKeyPress() override;
131 
135  void OnKeyRelease() override;
136 
137 protected:
139  ~vtkContextInteractorStyle() override;
140 
141  static void ProcessSceneEvents(vtkObject* object, unsigned long event,
142  void* clientdata, void* calldata);
143 
144  static void ProcessInteractorEvents(vtkObject* object, unsigned long event,
145  void* clientdata, void* calldata);
146 
147  virtual void RenderNow();
148 
154  void BeginProcessingEvent();
155 
161  void EndProcessingEvent();
162 
168 
171 
172 private:
174  void operator=(const vtkContextInteractorStyle&) = delete;
175 
176  void ConstructMouseEvent(vtkContextMouseEvent &event, int button);
177  bool ProcessMousePress(const vtkContextMouseEvent &event);
178 };
179 
180 #endif
virtual void OnLeftButtonDown()
virtual void OnMiddleButtonDown()
virtual void OnRightButtonDown()
abstract base class for most VTK objects
Definition: vtkObject.h:53
void OnChar() override
OnChar is triggered when an ASCII key is pressed.
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:302
virtual void OnLeftButtonUp()
static vtkInteractorStyle * New()
This class must be supplied with a vtkRenderWindowInteractor wrapper or parent.
virtual void OnMiddleButtonUp()
vtkNew< vtkCallbackCommand > SceneCallbackCommand
virtual void OnMouseWheelForward()
virtual void OnKeyRelease()
virtual void OnKeyPress()
virtual void OnRightButtonUp()
An interactor for chart views.
Provides a 2D scene for vtkContextItem objects.
data structure to represent mouse events.
a simple class to control print indentation
Definition: vtkIndent.h:33
virtual void OnMouseWheelBackward()
vtkNew< vtkCallbackCommand > InteractorCallbackCommand
vtkWeakPointer< vtkContextScene > Scene
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
provide event-driven interface to the rendering window (defines trackball mode)
virtual void OnMouseMove()
Generic event bindings can be overridden in subclasses.