VTK  9.3.0
vtkInteractiveArea.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
3 
14 #ifndef vtkInteractiveArea_h
15 #define vtkInteractiveArea_h
16 
17 #include "vtkChartsCoreModule.h" // For export macro
18 #include "vtkContextArea.h"
19 #include "vtkNew.h" // For vtkNew
20 
21 VTK_ABI_NAMESPACE_BEGIN
23 class vtkRectd;
24 
25 class VTKCHARTSCORE_EXPORT vtkInteractiveArea : public vtkContextArea
26 {
27 public:
29 
31  void PrintSelf(ostream& os, vtkIndent indent) override;
32 
34 
37  bool Paint(vtkContext2D* painter) override;
38  bool Hit(const vtkContextMouseEvent& mouse) override;
39  bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
40  bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
41  bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
43 
44 protected:
46  ~vtkInteractiveArea() override;
47 
49 
52  void SetAxisRange(vtkRectd const& data) override;
53 
54 private:
58  void RecalculateTickSpacing(vtkAxis* axis, int numClicks);
59 
63  void ComputeViewTransform() override;
64 
65  void ComputeZoom(
66  vtkVector2d const& origin, vtkVector2d& scale, vtkVector2d& shift, vtkVector2d& factor);
67 
68  class MouseActions;
69  MouseActions* Actions;
70 
71  vtkInteractiveArea(const vtkInteractiveArea&) = delete;
72  void operator=(const vtkInteractiveArea&) = delete;
73 };
74 
75 VTK_ABI_NAMESPACE_END
76 #endif // vtkInteractiveArea_h
takes care of drawing 2D axes
Definition: vtkAxis.h:70
Class for drawing 2D primitives to a graphical context.
Definition: vtkContext2D.h:59
Clipped, transformed area with axes for context items.
virtual void ComputeViewTransform()
data structure to represent mouse events.
all children of this item are transformed by the vtkTransform2D of this item.
a simple class to control print indentation
Definition: vtkIndent.h:38
Implements zooming and panning in a vtkContextArea.
bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta) override
vtkAbstractContextItem API
bool Hit(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
~vtkInteractiveArea() override
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
vtkAbstractContextItem API
static vtkInteractiveArea * New()
void SetAxisRange(vtkRectd const &data) override
vtkContextArea API
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
bool Paint(vtkContext2D *painter) override
vtkAbstractContextItem API
@ scale
Definition: vtkX3D.h:229
@ data
Definition: vtkX3D.h:315