Mercurial > hg > orthanc-stone
view Applications/Qt/QCairoWidget.h @ 525:2549363fadc3 am-touch-events
Close branch am-touch-events.
author | Alain Mazy <am@osimis.io> |
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date | Tue, 12 Mar 2019 17:29:12 +0000 |
parents | b70e9be013e4 |
children | fe938bddb932 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics 4 * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #include "../../Applications/Generic/NativeStoneApplicationContext.h" #include "../../Framework/Viewport/CairoSurface.h" #include "../../Framework/Widgets/IWidget.h" #include <QWidget> #include <memory> #include <cassert> class QCairoWidget : public QWidget { Q_OBJECT private: class StoneObserver : public OrthancStone::IObserver { private: QCairoWidget& that_; public: StoneObserver(QCairoWidget& that, OrthancStone::IViewport& viewport, OrthancStone::MessageBroker& broker); void OnViewportChanged(const OrthancStone::IViewport::ViewportChangedMessage& message) { that_.OnViewportChanged(); } }; std::auto_ptr<QImage> image_; OrthancStone::CairoSurface surface_; OrthancStone::NativeStoneApplicationContext* context_; std::auto_ptr<StoneObserver> observer_; protected: virtual void paintEvent(QPaintEvent *event); virtual void resizeEvent(QResizeEvent *event); virtual void mouseMoveEvent(QMouseEvent *event); virtual void mousePressEvent(QMouseEvent *event); virtual void mouseReleaseEvent(QMouseEvent *event); virtual void wheelEvent(QWheelEvent *event); virtual void keyPressEvent(QKeyEvent *event); public: explicit QCairoWidget(QWidget *parent); void SetContext(OrthancStone::NativeStoneApplicationContext& context); void OnViewportChanged() { update(); // schedule a repaint (handled by Qt) emit ContentChanged(); } signals: void ContentChanged(); public slots: };