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;
48 class Trace : public TraceTreeItem
53 static const QPen AxisPen;
54 static const int LabelHitPadding;
56 static const QColor BrightGrayBGColour;
57 static const QColor DarkGrayBGColour;
60 Trace(shared_ptr<data::SignalBase> channel);
64 * Sets the name of the signal.
66 virtual void set_name(QString name);
69 * Set the colour of the signal.
71 virtual void set_colour(QColor colour);
74 * Enables or disables the coloured background for this trace.
76 void set_coloured_bg(bool state);
79 * Paints the signal label.
80 * @param p the QPainter to paint into.
81 * @param rect the rectangle of the header area.
82 * @param hover true if the label is being hovered over by the mouse.
84 virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
86 virtual QMenu* create_context_menu(QWidget *parent);
88 pv::widgets::Popup* create_popup(QWidget *parent);
91 * Computes the outline rectangle of a label.
92 * @param rect the rectangle of the header area.
93 * @return Returns the rectangle of the signal label.
95 QRectF label_rect(const QRectF &rect) const;
99 * Paints the background layer of the signal with a QPainter.
100 * @param p The QPainter to paint into.
101 * @param pp The painting parameters object to paint with.
103 virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
106 * Paints a zero axis across the viewport.
107 * @param p the QPainter to paint into.
108 * @param pp the painting parameters object to paint with.
109 * @param y the y-offset of the axis.
111 void paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y);
113 void add_colour_option(QWidget *parent, QFormLayout *form);
115 void create_popup_form();
117 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
120 virtual void on_name_changed(const QString &text);
122 virtual void on_colour_changed(const QColor &colour);
124 void on_popup_closed();
127 void on_nameedit_changed(const QString &name);
129 void on_colouredit_changed(const QColor &colour);
132 shared_ptr<data::SignalBase> base_;
133 bool coloured_bg_, coloured_bg_state_;
136 pv::widgets::Popup *popup_;
137 QFormLayout *popup_form_;
140 } // namespace TraceView
144 #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRACE_HPP