/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS 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 3 of the License, or
(at your option) any later version.
CamCOPS 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 CamCOPS. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
// #define SCREENLIKEGRAPHICSVIEW_REDO_FIT_IN_VIEW
#include <QColor>
#include <QGraphicsView>
class ScreenLikeGraphicsView : public QGraphicsView
{
// This is a QGraphicsView that is intended to show the whole of
// QGraphicsScene, zooming as necessary/possible and using no scroll bars,
// but keeping the scene's aspect ratio without distortion.
// Used e.g. by the ID/ED-3D task and similar.
public:
// Default constructor.
ScreenLikeGraphicsView(QWidget* parent = nullptr);
// Construct with a scene.
ScreenLikeGraphicsView(QGraphicsScene* scene, QWidget* parent = nullptr);
// Set the background colour.
void setBackgroundColour(const QColor& colour);
// Standard Qt event overrides.
virtual void resizeEvent(QResizeEvent* event) override;
virtual void showEvent(QShowEvent* event) override;
protected:
#ifdef SCREENLIKEGRAPHICSVIEW_REDO_FIT_IN_VIEW
// Not currently used.
void fitInView2(
const QRectF& rect,
Qt::AspectRatioMode aspect_ratio_mode = Qt::IgnoreAspectRatio);
// Not currently used.
void fitInView2(
qreal x, qreal y, qreal w, qreal h,
Qt::AspectRatioMode aspect_ratio_mode = Qt::IgnoreAspectRatio);
#endif
// "Fit the contents to our view."
void fitView();
};