VTK  9.3.0
vtkXYPlotWidget.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
24 #ifndef vtkXYPlotWidget_h
25 #define vtkXYPlotWidget_h
26 
27 #include "vtkInteractionWidgetsModule.h" // For export macro
28 #include "vtkInteractorObserver.h"
29 VTK_ABI_NAMESPACE_BEGIN
30 class vtkXYPlotActor;
31 
32 class VTKINTERACTIONWIDGETS_EXPORT vtkXYPlotWidget : public vtkInteractorObserver
33 {
34 public:
35  static vtkXYPlotWidget* New();
37  void PrintSelf(ostream& os, vtkIndent indent) override;
38 
40 
44  vtkGetObjectMacro(XYPlotActor, vtkXYPlotActor);
46 
50  void SetEnabled(int) override;
51 
52 protected:
54  ~vtkXYPlotWidget() override;
55 
56  // the actor that is used
58 
59  // handles the events
60  static void ProcessEvents(
61  vtkObject* object, unsigned long event, void* clientdata, void* calldata);
62 
63  // ProcessEvents() dispatches to these methods.
66  void OnMouseMove();
67 
68  // used to compute relative movements
69  float StartPosition[2];
70 
71  // Manage the state of the widget
72  int State;
74  {
75  Moving = 0,
85  Outside
86  };
87 
88  // use to determine what state the mouse is over, edge1 p1, etc.
89  // returns a state from the WidgetState enum above
90  int ComputeStateBasedOnPosition(int X, int Y, int* pos1, int* pos2);
91 
92  // set the cursor to the correct shape based on State argument
93  void SetCursor(int State);
94 
95 private:
96  vtkXYPlotWidget(const vtkXYPlotWidget&) = delete;
97  void operator=(const vtkXYPlotWidget&) = delete;
98 };
99 
100 VTK_ABI_NAMESPACE_END
101 #endif
a simple class to control print indentation
Definition: vtkIndent.h:29
an abstract superclass for classes observing events invoked by vtkRenderWindowInteractor
abstract base class for most VTK objects
Definition: vtkObject.h:52
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)