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, see <http://www.gnu.org/licenses/>.
20 #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP
21 #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP
31 #include "tracetreeitem.hpp"
33 #include "pv/data/signalbase.hpp"
35 using std::shared_ptr;
52 class Trace : public TraceTreeItem
57 static const QPen AxisPen;
58 static const int LabelHitPadding;
60 static const QColor BrightGrayBGColour;
61 static const QColor DarkGrayBGColour;
64 Trace(shared_ptr<data::SignalBase> channel);
68 * Returns the underlying SignalBase instance.
70 shared_ptr<data::SignalBase> base() const;
73 * Sets the name of the signal.
75 virtual void set_name(QString name);
78 * Set the colour of the signal.
80 virtual void set_colour(QColor colour);
83 * Paints the signal label.
84 * @param p the QPainter to paint into.
85 * @param rect the rectangle of the header area.
86 * @param hover true if the label is being hovered over by the mouse.
88 virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
90 virtual QMenu* create_context_menu(QWidget *parent);
92 pv::widgets::Popup* create_popup(QWidget *parent);
95 * Computes the outline rectangle of a label.
96 * @param rect the rectangle of the header area.
97 * @return Returns the rectangle of the signal label.
99 QRectF label_rect(const QRectF &rect) const;
103 * Paints the background layer of the signal with a QPainter.
104 * @param p The QPainter to paint into.
105 * @param pp The painting parameters object to paint with.
107 virtual void paint_back(QPainter &p, ViewItemPaintParams &pp);
110 * Paints a zero axis across the viewport.
111 * @param p the QPainter to paint into.
112 * @param pp the painting parameters object to paint with.
113 * @param y the y-offset of the axis.
115 void paint_axis(QPainter &p, ViewItemPaintParams &pp, int y);
117 void add_colour_option(QWidget *parent, QFormLayout *form);
119 void create_popup_form();
121 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
124 virtual void on_name_changed(const QString &text);
126 virtual void on_colour_changed(const QColor &colour);
128 void on_popup_closed();
131 void on_nameedit_changed(const QString &name);
133 void on_colouredit_changed(const QColor &colour);
136 shared_ptr<data::SignalBase> base_;
139 pv::widgets::Popup *popup_;
140 QFormLayout *popup_form_;
143 } // namespace TraceView
147 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP