mirror of git://sigrok.org/pulseview
97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PULSEVIEW_PV_WIDGETS_POPUP_HPP
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#define PULSEVIEW_PV_WIDGETS_POPUP_HPP
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#include <QWidget>
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namespace pv {
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namespace widgets {
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class Popup : public QWidget
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{
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Q_OBJECT
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public:
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enum Position
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{
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Right,
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Top,
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Left,
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Bottom
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};
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private:
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static const unsigned int ArrowLength;
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static const unsigned int ArrowOverlap;
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static const unsigned int MarginWidth;
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public:
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Popup(QWidget *parent);
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const QPoint& point() const;
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Position position() const;
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void set_position(const QPoint point, Position pos);
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bool eventFilter(QObject *obj, QEvent *event);
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virtual void show();
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private:
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bool space_for_arrow() const;
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QPolygon arrow_polygon() const;
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QRegion arrow_region() const;
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QRect bubble_rect() const;
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QRegion bubble_region() const;
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QRegion popup_region() const;
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void reposition_widget();
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private:
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void closeEvent(QCloseEvent*);
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void paintEvent(QPaintEvent*);
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void resizeEvent(QResizeEvent*);
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void mouseReleaseEvent(QMouseEvent *event);
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protected:
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void showEvent(QShowEvent *);
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Q_SIGNALS:
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void closed();
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private:
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QPoint point_;
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Position pos_;
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};
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} // namespace widgets
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} // namespace pv
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#endif // PULSEVIEW_PV_WIDGETS_POPUP_HPP
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