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_VIEW_TRACE_H
22 #define PULSEVIEW_PV_VIEW_TRACE_H
44 class Trace : public RowItem
49 static const QPen AxisPen;
50 static const int LabelHitPadding;
57 * Gets the name of this signal.
62 * Sets the name of the signal.
64 virtual void set_name(QString name);
67 * Get the colour of the signal.
69 QColor colour() const;
72 * Set the colour of the signal.
74 void set_colour(QColor colour);
77 * Paints the signal label.
78 * @param p the QPainter to paint into.
79 * @param right the x-coordinate of the right edge of the header
81 * @param hover true if the label is being hovered over by the mouse.
83 virtual void paint_label(QPainter &p, int right, bool hover);
85 virtual QMenu* create_context_menu(QWidget *parent);
87 pv::widgets::Popup* create_popup(QWidget *parent);
90 * Computes the outline rectangle of a label.
91 * @param right the x-coordinate of the right edge of the header
93 * @return Returns the rectangle of the signal label.
95 QRectF label_rect(int right);
100 * Gets the text colour.
101 * @remarks This colour is computed by comparing the lightness
102 * of the trace colour against a threshold to determine whether
103 * white or black would be more visible.
105 QColor get_text_colour() const;
108 * Paints a zero axis across the viewport.
109 * @param p the QPainter to paint into.
110 * @param y the y-offset of the axis.
111 * @param left the x-coordinate of the left edge of the view.
112 * @param right the x-coordinate of the right edge of the view.
114 void paint_axis(QPainter &p, int y, int left, int right);
116 void add_colour_option(QWidget *parent, QFormLayout *form);
118 void create_popup_form();
120 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
123 void on_text_changed(const QString &text);
125 void on_colour_changed(const QColor &colour);
127 void on_popup_closed();
130 void visibility_changed();
132 void colour_changed();
139 pv::widgets::Popup *_popup;
140 QFormLayout *_popup_form;
146 #endif // PULSEVIEW_PV_VIEW_TRACE_H