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_MARKER_H
22 #define PULSEVIEW_PV_VIEW_MARKER_H
25 #include <QDoubleSpinBox>
28 #include <QWidgetAction>
30 #include "selectableitem.h"
40 class TimeMarker : public SelectableItem
47 * @param view A reference to the view that owns this marker.
48 * @param colour A reference to the colour of this cursor.
49 * @param time The time to set the flag to.
51 TimeMarker(View &view, const QColor &colour, double time);
55 * Gets the time of the marker.
60 * Sets the time of the marker.
62 void set_time(double time);
65 * Paints the marker to the viewport.
66 * @param p The painter to draw with.
67 * @param rect The rectangle of the viewport client area.
69 virtual void paint(QPainter &p, const QRect &rect);
72 * Gets the marker label rectangle.
73 * @param rect The rectangle of the ruler client area.
74 * @return Returns the label rectangle.
76 virtual QRectF get_label_rect(const QRect &rect) const = 0;
79 * Paints the marker's label to the ruler.
80 * @param p The painter to draw with.
81 * @param rect The rectangle of the ruler client area.
82 * @param prefix The SI prefix to paint time value with.
84 virtual void paint_label(QPainter &p, const QRect &rect,
85 unsigned int prefix) = 0;
88 * Returns a list of context menu items to show in the context
91 const std::list<QAction*> get_context_bar_actions();
94 void on_value_changed(double value);
101 const QColor &_colour;
107 QWidgetAction _value_action;
108 QDoubleSpinBox _value_widget;
109 bool _updating_value_widget;
115 #endif // PULSEVIEW_PV_VIEW_MARKER_H