2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef PULSEVIEW_PV_VIEW_CURSORHEADER_H
22 #define PULSEVIEW_PV_VIEW_CURSORHEADER_H
26 #include "marginwidget.hpp"
34 * Widget to hold the labels over the cursors.
36 class CursorHeader : public MarginWidget
40 static const int Padding;
43 * The vertical offset, relative to the bottom line of the widget,
44 * where the arrows of the cursor labels end.
46 static const int BaselineOffset;
49 CursorHeader(View &parent);
51 QSize sizeHint() const;
53 void clear_selection();
56 void paintEvent(QPaintEvent *event);
58 void mouseMoveEvent(QMouseEvent *e);
59 void mousePressEvent(QMouseEvent *e);
60 void mouseReleaseEvent(QMouseEvent *);
62 int calculateTextHeight();
64 QPoint mouse_down_point_;
65 std::shared_ptr<TimeItem> mouse_down_item_;
67 const int textHeight_;
73 #endif // PULSEVIEW_PV_VIEW_CURSORHEADER_H