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flightgear/utils/fgqcanvas/canvaspainteddisplay.h
James Turner 2403e95559 FGCanvas tweaks
Enable daemon mode for hands-off operation. Add auto-reconnect
feature for daemon mode, will keep trying to connect to the configured
FGFS instance.
2018-06-26 23:24:02 +01:00

76 lines
2 KiB
C++

//
// Copyright (C) 2018 James Turner <james@flightgear.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef CANVAS_PAINTED_DISPLAY_H
#define CANVAS_PAINTED_DISPLAY_H
#include <memory>
#include <QQuickPaintedItem>
#include <QPointer>
class CanvasConnection;
class FGCanvasGroup;
class QQuickItem;
class CanvasPaintedDisplay : public QQuickPaintedItem
{
Q_OBJECT
Q_PROPERTY(CanvasConnection* canvas READ canvas WRITE setCanvas NOTIFY canvasChanged)
public:
CanvasPaintedDisplay(QQuickItem* parent = nullptr);
~CanvasPaintedDisplay();
CanvasConnection* canvas() const
{
return m_connection;
}
void paint(QPainter *painter) override;
signals:
void canvasChanged(CanvasConnection* canvas);
public slots:
void setCanvas(CanvasConnection* canvas);
protected:
void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override;
private slots:
void onConnectionStatusChanged();
void onConnectionUpdated();
void onCanvasSizeChanged();
void onConnectionDestroyed();
private:
void recomputeScaling();
void buildElements();
CanvasConnection* m_connection = nullptr;
QPointer<FGCanvasGroup> m_rootElement;
// QQuickItem* m_rootItem = nullptr;
QSizeF m_sourceSize;
};
#endif // CANVAS_PAINTED_DISPLAY_H