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114 lines
2.2 KiB
C++
114 lines
2.2 KiB
C++
/*
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* \brief A Qt Widget that shows a Genode GUI view
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* \author Christian Prochaska
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* \date 2010-08-26
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*/
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/*
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* Copyright (C) 2010-2020 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef QGENODEVIEWWIDGET_H
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#define QGENODEVIEWWIDGET_H
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#include <QtWidgets>
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#include <gui_session/client.h>
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class QEmbeddedViewWidget : public QWidget
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{
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Q_OBJECT
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private:
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QHash<QScrollBar*, bool> _scrollbars;
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int _orig_w = 0;
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int _orig_h = 0;
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int _orig_buf_x = 0;
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int _orig_buf_y = 0;
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private slots:
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void valueChanged();
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void destroyed(QObject *obj = 0);
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protected:
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struct View_geometry
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{
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int x, y, w, h, buf_x, buf_y;
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};
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QEmbeddedViewWidget(QWidget *parent = 0);
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virtual ~QEmbeddedViewWidget();
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void _orig_geometry(int w, int h, int buf_x, int buf_y)
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{
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_orig_w = w;
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_orig_h = h;
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_orig_buf_x = buf_x;
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_orig_buf_y = buf_y;
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}
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View_geometry _calc_view_geometry();
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};
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class QGenodeViewWidget : public QEmbeddedViewWidget
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{
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Q_OBJECT
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protected:
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Gui::Session_client *gui;
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Gui::Session::View_handle view_handle;
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virtual void showEvent(QShowEvent *event);
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virtual void hideEvent(QHideEvent *event);
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virtual void paintEvent(QPaintEvent *event);
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virtual void focusInEvent(QFocusEvent * event);
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public:
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QGenodeViewWidget(QWidget *parent =0);
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~QGenodeViewWidget();
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void setGenodeView(Gui::Session_client *gui,
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Gui::Session::View_handle view_handle,
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int buf_x, int buf_y, int w, int h);
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};
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class QGenodeViewWidgetInterface
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{
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public:
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virtual QWidget *createWidget(QWidget *parent = 0) = 0;
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};
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Q_DECLARE_INTERFACE(QGenodeViewWidgetInterface, "org.genode.QGenodeViewWidgetInterface")
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class QGenodeViewWidgetPlugin : public QObject, public QGenodeViewWidgetInterface
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.genode.QGenodeViewWidgetInterface" FILE "qgenodeviewwidget.json")
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Q_INTERFACES(QGenodeViewWidgetInterface)
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public:
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explicit QGenodeViewWidgetPlugin(QObject *parent = 0) : QObject(parent) { }
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QWidget *createWidget(QWidget *parent = 0)
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{
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return new QGenodeViewWidget(parent);
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}
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};
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#endif // QGENODEVIEWWIDGET_H
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