X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fwidgets%2Fpopup.hpp;fp=pv%2Fwidgets%2Fpopup.hpp;h=83ad7ee0fbd082ebb533fe7dafa280b6944d6a04;hp=0000000000000000000000000000000000000000;hb=2acdb232d6bb452cfdfaea3ef5218fb4da592329;hpb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5

diff --git a/pv/widgets/popup.hpp b/pv/widgets/popup.hpp
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+++ b/pv/widgets/popup.hpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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 St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_WIDGETS_POPUP_H
+#define PULSEVIEW_PV_WIDGETS_POPUP_H
+
+#include <QWidget>
+
+namespace pv {
+namespace widgets {
+
+class Popup : public QWidget
+{
+	Q_OBJECT
+
+public:
+	enum Position
+	{
+		Right,
+		Top,
+		Left,
+		Bottom
+	};
+
+private:
+	static const unsigned int ArrowLength;
+	static const unsigned int ArrowOverlap;
+	static const unsigned int MarginWidth;
+
+public:
+	Popup(QWidget *parent);
+
+	const QPoint& point() const;
+	Position position() const;
+
+	void set_position(const QPoint point, Position pos);
+
+	bool eventFilter(QObject *obj, QEvent *evt);
+
+	void show();
+
+private:
+	bool space_for_arrow() const;
+
+	QPolygon arrow_polygon() const;
+
+	QRegion arrow_region() const;
+
+	QRect bubble_rect() const;
+
+	QRegion bubble_region() const;
+
+	QRegion popup_region() const;
+
+	void reposition_widget();
+
+private:
+	void closeEvent(QCloseEvent*);
+
+	void paintEvent(QPaintEvent*);
+
+	void resizeEvent(QResizeEvent*);
+
+	void mouseReleaseEvent(QMouseEvent *e);
+
+protected:
+	void showEvent(QShowEvent *e);
+
+Q_SIGNALS:
+	void closed();
+
+private:
+	QPoint point_;
+	Position pos_;
+};
+
+} // namespace widgets
+} // namespace pv
+
+#endif // PULSEVIEW_PV_WIDGETS_POPUP_H