QuickVtk/quickVtkViewer.h at main · john-stone-ics/QuickVtk · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
#pragma once

#include "QQuickVtkItem.h"
#include "quickVtkDispatcher.h"
#include "quickVtkObject.h"

class vtkRenderer;

#include <QtQml/QQmlListProperty>

#include <QtCore/QList>
#include <QtCore/QPointF>
#include <QtCore/QAtomicInteger>
#include <QtCore/QAtomicPointer>

#include <private/qquickevents_p_p.h> // for QQuickMouseEvent


namespace quick { namespace vtk {

class Viewer : public QQuickVtkItem, public Dispatcher, public SharedData
{
    Q_OBJECT
    Q_CLASSINFO("DefaultProperty", "input");
public:
    Viewer(QQuickItem* parent=nullptr);
    ~Viewer() override;

    // QQuickVtkItem interface
    using vtkUserData = vtkSmartPointer<vtkObject>;
    vtkUserData initializeVTK(vtkRenderWindow*) override;

    // Dispatcher interface
    void dispatch_async(std::function<void(vtkRenderWindow*, vtkUserData)>, SharedData*) override;
    bool map(QObject*, vtkUserData, vtkUserData) override;
    bool unmap(QObject*, vtkUserData) override;
    vtkUserData lookup(QObject*, vtkUserData, bool mightBeEmpty=false) override;
    vtkRenderer* myVtkObject(vtkUserData);
    bool isVolatile() const;

    // input property
    Q_PROPERTY(QQmlListProperty<quick::vtk::Object> input READ input NOTIFY inputChanged);
    QQmlListProperty<Object> input();
    Q_SIGNAL void inputChanged();
    QList<Object*> m_input;

signals:
    void clicked(QQuickMouseEvent * mouse);

private:
    bool event(QEvent*) override;

private:
    struct {
        Qt::MouseButton button = Qt::NoButton;
        QPointF localPos;
    } m_click;

    QQuickMouseEvent m_quickMouseEvent;
};

}}