VTK  9.1.20211115
vtkXYPlotWidget.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkXYPlotWidget.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 =========================================================================*/
36 #ifndef vtkXYPlotWidget_h
37 #define vtkXYPlotWidget_h
38 
39 #include "vtkInteractionWidgetsModule.h" // For export macro
40 #include "vtkInteractorObserver.h"
41 class vtkXYPlotActor;
42 
43 class VTKINTERACTIONWIDGETS_EXPORT vtkXYPlotWidget : public vtkInteractorObserver
44 {
45 public:
46  static vtkXYPlotWidget* New();
48  void PrintSelf(ostream& os, vtkIndent indent) override;
49 
51 
55  vtkGetObjectMacro(XYPlotActor, vtkXYPlotActor);
57 
61  void SetEnabled(int) override;
62 
63 protected:
65  ~vtkXYPlotWidget() override;
66 
67  // the actor that is used
69 
70  // handles the events
71  static void ProcessEvents(
72  vtkObject* object, unsigned long event, void* clientdata, void* calldata);
73 
74  // ProcessEvents() dispatches to these methods.
77  void OnMouseMove();
78 
79  // used to compute relative movements
80  float StartPosition[2];
81 
82  // Manage the state of the widget
83  int State;
85  {
86  Moving = 0,
96  Outside
97  };
98 
99  // use to determine what state the mouse is over, edge1 p1, etc.
100  // returns a state from the WidgetState enum above
101  int ComputeStateBasedOnPosition(int X, int Y, int* pos1, int* pos2);
102 
103  // set the cursor to the correct shape based on State argument
104  void SetCursor(int State);
105 
106 private:
107  vtkXYPlotWidget(const vtkXYPlotWidget&) = delete;
108  void operator=(const vtkXYPlotWidget&) = delete;
109 };
110 
111 #endif
a simple class to control print indentation
Definition: vtkIndent.h:113
an abstract superclass for classes observing events invoked by vtkRenderWindowInteractor
abstract base class for most VTK objects
Definition: vtkObject.h:82
generate an x-y plot from input dataset(s) or field data
2D widget for manipulating a XY plot
~vtkXYPlotWidget() override
void OnLeftButtonUp()
void SetEnabled(int) override
Methods for turning the interactor observer on and off.
vtkXYPlotActor * XYPlotActor
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void OnLeftButtonDown()
static vtkXYPlotWidget * New()
void SetCursor(int State)
int ComputeStateBasedOnPosition(int X, int Y, int *pos1, int *pos2)
virtual void SetXYPlotActor(vtkXYPlotActor *)
Get the XY plot used by this Widget.
static void ProcessEvents(vtkObject *object, unsigned long event, void *clientdata, void *calldata)