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Introduce pv::data::SignalBase
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1/*
2 * This file is part of the PulseView project.
3 *
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5 *
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.
10 *
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.
15 *
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
19 */
20
21#ifndef PULSEVIEW_PV_VIEW_SIGNAL_HPP
22#define PULSEVIEW_PV_VIEW_SIGNAL_HPP
23
24#include <memory>
25
26#include <QComboBox>
27#include <QWidgetAction>
28
29#include <stdint.h>
30
31#include "signalscalehandle.hpp"
32#include "trace.hpp"
33#include "viewitemowner.hpp"
34
35namespace pv {
36
37class Session;
38
39namespace data {
40class SignalBase;
41class SignalData;
42}
43
44namespace view {
45
46class Signal : public Trace, public ViewItemOwner
47{
48 Q_OBJECT
49
50protected:
51 Signal(pv::Session &session,
52 std::shared_ptr<data::SignalBase> channel);
53
54public:
55 /**
56 * Sets the name of the signal.
57 */
58 virtual void set_name(QString name);
59
60 virtual std::shared_ptr<pv::data::SignalData> data() const = 0;
61
62 /**
63 * Returns true if the trace is visible and enabled.
64 */
65 bool enabled() const;
66
67 void enable(bool enable = true);
68
69 std::shared_ptr<data::SignalBase> channel() const;
70
71 /**
72 * Returns a list of row items owned by this object.
73 */
74 const item_list& child_items() const;
75
76 void paint_back(QPainter &p, const ViewItemPaintParams &pp);
77
78 virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
79
80 QMenu* create_context_menu(QWidget *parent);
81
82 void delete_pressed();
83
84 /**
85 * Returns the offset to show the drag handle.
86 */
87 virtual int scale_handle_offset() const = 0;
88
89 /**
90 * Handles the scale handle being dragged to an offset.
91 * @param offset the offset the scale handle was dragged to.
92 */
93 virtual void scale_handle_dragged(int offset) = 0;
94
95 /**
96 * Handles the scale handle being being released.
97 */
98 virtual void scale_handle_released() {};
99
100protected Q_SLOTS:
101 virtual void on_name_changed(const QString &text);
102
103 void on_disable();
104
105protected:
106 pv::Session &session_;
107
108 const std::shared_ptr<SignalScaleHandle> scale_handle_;
109 const item_list items_;
110
111 QComboBox *name_widget_;
112};
113
114} // namespace view
115} // namespace pv
116
117#endif // PULSEVIEW_PV_VIEW_SIGNAL_HPP