2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 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_TRACE_H
22 #define PULSEVIEW_PV_TRACE_H
31 #include "selectableitem.h"
41 class Trace : public SelectableItem
46 static const int LabelHitPadding;
49 Trace(SigSession &session, QString name);
53 * Gets the name of this signal.
55 QString get_name() const;
58 * Sets the name of the signal.
60 virtual void set_name(QString name);
63 * Get the colour of the signal.
65 QColor get_colour() const;
68 * Set the colour of the signal.
70 void set_colour(QColor colour);
73 * Gets the vertical layout offset of this signal.
75 int get_v_offset() const;
78 * Sets the vertical layout offset of this signal.
80 void set_v_offset(int v_offset);
83 * Returns true if the trace is visible and enabled.
85 virtual bool enabled() const = 0;
87 virtual void set_view(pv::view::View *view);
90 * Paints the trace with a QPainter
91 * @param p the QPainter to paint into.
92 * @param left the x-coordinate of the left edge of the signal
93 * @param right the x-coordinate of the right edge of the signal
95 virtual void paint(QPainter &p, int left, int right) = 0;
98 * Paints the signal label into a QGLWidget.
99 * @param p the QPainter to paint into.
100 * @param right the x-coordinate of the right edge of the header
102 * @param hover true if the label is being hovered over by the mouse.
104 virtual void paint_label(QPainter &p, int right, bool hover);
107 * Determines if a point is in the header label rect.
108 * @param left the x-coordinate of the left edge of the header
110 * @param right the x-coordinate of the right edge of the header
112 * @param point the point to test.
114 bool pt_in_label_rect(int left, int right, const QPoint &point);
119 * Computes an caches the size of the label text.
121 void compute_text_size(QPainter &p);
124 * Computes the outline rectangle of a label.
125 * @param p the QPainter to lay out text with.
126 * @param right the x-coordinate of the right edge of the header
128 * @return Returns the rectangle of the signal label.
130 QRectF get_label_rect(int right);
136 pv::SigSession &_session;
137 pv::view::View *_view;
149 #endif // PULSEVIEW_PV_TRACEL_H