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128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkEvent.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkEvent
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* @brief a complete specification of a VTK event including all modifiers
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*
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* vtkEvent is a class that fully describes a VTK event. It is used by the
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* widgets to help specify the mapping between VTK events and widget events.
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*/
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#ifndef vtkEvent_h
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#define vtkEvent_h
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#include "vtkInteractionWidgetsModule.h" // For export macro
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#include "vtkObject.h"
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class vtkRenderWindowInteractor;
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class VTKINTERACTIONWIDGETS_EXPORT vtkEvent : public vtkObject
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{
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public:
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/**
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* The object factory constructor.
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*/
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static vtkEvent* New();
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//@{
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/**
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* Standard macros.
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*/
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vtkTypeMacro(vtkEvent, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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/**
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* Ways to specify modifiers to VTK events. These can be logical OR'd to
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* produce combinations of modifiers.
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*/
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enum EventModifiers
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{
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AnyModifier = -1,
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NoModifier = 0,
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ShiftModifier = 1,
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ControlModifier = 2,
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AltModifier = 4
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};
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//@{
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/**
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* Set the modifier for the event.
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*/
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vtkSetMacro(EventId, unsigned long);
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vtkGetMacro(EventId, unsigned long);
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//@}
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//@{
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/**
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* Set the modifier for the event.
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*/
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vtkSetMacro(Modifier, int);
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vtkGetMacro(Modifier, int);
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//@}
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//@{
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/**
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* Set the KeyCode for the event.
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*/
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vtkSetMacro(KeyCode, char);
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vtkGetMacro(KeyCode, char);
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//@}
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//@{
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/**
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* Set the repease count for the event.
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*/
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vtkSetMacro(RepeatCount, int);
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vtkGetMacro(RepeatCount, int);
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//@}
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//@{
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/**
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* Set the complex key symbol (compound key strokes) for the event.
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*/
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vtkSetStringMacro(KeySym);
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vtkGetStringMacro(KeySym);
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//@}
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/**
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* Convenience method computes the event modifier from an interactor.
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*/
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static int GetModifier(vtkRenderWindowInteractor*);
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/**
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* Used to compare whether two events are equal. Takes into account
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* the EventId as well as the various modifiers.
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*/
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bool operator==(vtkEvent*);
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bool operator==(unsigned long VTKEvent); // event with no modifiers
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protected:
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vtkEvent();
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~vtkEvent() override;
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unsigned long EventId;
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int Modifier;
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char KeyCode;
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int RepeatCount;
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char* KeySym;
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private:
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vtkEvent(const vtkEvent&) = delete;
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void operator=(const vtkEvent&) = delete;
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};
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#endif
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