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_HPP
22 #define PULSEVIEW_PV_VIEW_TRACE_HPP
32 #include "tracetreeitem.hpp"
44 class Trace : public TraceTreeItem
49 static const QPen AxisPen;
50 static const int LabelHitPadding;
52 static const int ColourBGAlpha;
53 static const QColor BrightGrayBGColour;
54 static const QColor DarkGrayBGColour;
61 * Gets the name of this signal.
66 * Sets the name of the signal.
68 virtual void set_name(QString name);
71 * Get the colour of the signal.
73 QColor colour() const;
76 * Set the colour of the signal.
78 void set_colour(QColor colour);
81 * Enables or disables the coloured background for this trace.
83 void set_coloured_bg(bool state);
86 * Paints the signal label.
87 * @param p the QPainter to paint into.
88 * @param rect the rectangle of the header area.
89 * @param hover true if the label is being hovered over by the mouse.
91 virtual void paint_label(QPainter &p, const QRect &rect, bool hover);
93 virtual QMenu* create_context_menu(QWidget *parent);
95 pv::widgets::Popup* create_popup(QWidget *parent);
98 * Computes the outline rectangle of a label.
99 * @param rect the rectangle of the header area.
100 * @return Returns the rectangle of the signal label.
102 QRectF label_rect(const QRectF &rect) const;
106 * Paints the background layer of the signal with a QPainter.
107 * @param p The QPainter to paint into.
108 * @param pp The painting parameters object to paint with.
110 virtual void paint_back(QPainter &p, const ViewItemPaintParams &pp);
113 * Paints a zero axis across the viewport.
114 * @param p the QPainter to paint into.
115 * @param pp the painting parameters object to paint with.
116 * @param y the y-offset of the axis.
118 void paint_axis(QPainter &p, const ViewItemPaintParams &pp, int y);
120 void add_colour_option(QWidget *parent, QFormLayout *form);
122 void create_popup_form();
124 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
127 void on_text_changed(const QString &text);
129 void on_colour_changed(const QColor &colour);
131 void on_popup_closed();
135 QColor colour_, bgcolour_;
136 bool coloured_bg_, coloured_bg_state_;
139 pv::widgets::Popup *popup_;
140 QFormLayout *popup_form_;
146 #endif // PULSEVIEW_PV_VIEW_TRACE_HPP