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"
46 class Trace : public TraceTreeItem
51 static const QPen AxisPen;
52 static const int LabelHitPadding;
54 static const QColor BrightGrayBGColour;
55 static const QColor DarkGrayBGColour;
58 Trace(std::shared_ptr<data::SignalBase> channel);
62 * Sets the name of the signal.
64 virtual void set_name(QString name);
67 * Set the colour of the signal.
69 virtual void set_colour(QColor colour);
72 * Enables or disables the coloured background for this trace.
74 void set_coloured_bg(bool state);
77 * Paints the signal label.
78 * @param p the QPainter to paint into.
79 * @param rect the rectangle of the header area.
80 * @param hover true if the label is being hovered over by the mouse.
82 virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
84 virtual QMenu* create_context_menu(QWidget *parent);
86 pv::widgets::Popup* create_popup(QWidget *parent);
89 * Computes the outline rectangle of a label.
90 * @param rect the rectangle of the header area.
91 * @return Returns the rectangle of the signal label.
93 QRectF label_rect(const QRectF &rect) const;
97 * Paints the background layer of the signal with a QPainter.
98 * @param p The QPainter to paint into.
99 * @param pp The painting parameters object to paint with.
101 virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
104 * Paints a zero axis across the viewport.
105 * @param p the QPainter to paint into.
106 * @param pp the painting parameters object to paint with.
107 * @param y the y-offset of the axis.
109 void paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y);
111 void add_colour_option(QWidget *parent, QFormLayout *form);
113 void create_popup_form();
115 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
118 virtual void on_name_changed(const QString &text);
120 virtual void on_colour_changed(const QColor &colour);
122 void on_popup_closed();
125 void on_nameedit_changed(const QString &name);
127 void on_colouredit_changed(const QColor &colour);
130 std::shared_ptr<data::SignalBase> base_;
131 bool coloured_bg_, coloured_bg_state_;
134 pv::widgets::Popup *popup_;
135 QFormLayout *popup_form_;
138 } // namespace TraceView
142 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP