79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
//
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// QtQuickFGCanvasItem.hxx
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//
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// Copyright (C) 2017 James Turner <zakalawe@mac.com>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#ifndef QtQuickFGCanvasItem_hpp
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#define QtQuickFGCanvasItem_hpp
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#include <QQuickItem>
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#include <simgear/canvas/canvas_fwd.hxx>
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#include <simgear/props/props.hxx>
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#include <Canvas/canvas_mgr.hxx>
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/**
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* Custom QtQuick item for displaying a FlightGear canvas (and interacting with it)
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*
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* Note this unrelated to the QtQuick 'native' canvas (HTML5 canvas 2D implementation)!
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*/
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class QtQuickFGCanvasItem : public QQuickItem
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{
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Q_OBJECT
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Q_PROPERTY(QString canvas READ canvas WRITE setCanvas NOTIFY canvasChanged)
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public:
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QtQuickFGCanvasItem(QQuickItem* parent = nullptr);
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virtual ~QtQuickFGCanvasItem();
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QString canvas() const
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{
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return _canvasName;
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}
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public slots:
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void setCanvas(QString canvas);
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signals:
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void canvasChanged(QString canvas);
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protected:
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QSGNode* updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *) override;
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void mousePressEvent(QMouseEvent *event) override;
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void mouseReleaseEvent(QMouseEvent* event) override;
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void mouseMoveEvent(QMouseEvent* event) override;
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void mouseDoubleClickEvent(QMouseEvent* event) override;
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void wheelEvent(QWheelEvent* event) override;
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void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
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private:
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void initCanvasNasalModules();
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void updateCanvasGeometry();
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simgear::canvas::MouseEventPtr convertMouseEvent(QMouseEvent *event);
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simgear::canvas::CanvasPtr _canvas;
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QString _canvasName;
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QPointF _lastMouseEventScreenPosition;
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};
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#endif /* QtQuickFGCanvasItem_hpp */
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