]>
Commit | Line | Data |
---|---|---|
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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP | |
22 | ||
23 | #include <memory> | |
24 | ||
25 | #include <QComboBox> | |
26 | #include <QWidgetAction> | |
27 | ||
28 | #include <cstdint> | |
29 | ||
30 | #include <pv/data/logicsegment.hpp> | |
31 | ||
32 | #include "trace.hpp" | |
33 | #include "viewitemowner.hpp" | |
34 | ||
35 | using std::shared_ptr; | |
36 | ||
37 | namespace pv { | |
38 | ||
39 | class Session; | |
40 | ||
41 | namespace data { | |
42 | class SignalBase; | |
43 | class SignalData; | |
44 | } | |
45 | ||
46 | namespace views { | |
47 | namespace trace { | |
48 | ||
49 | /** | |
50 | * The Signal class represents a series of numeric values that can be drawn. | |
51 | * This is the main difference to the more generic @ref Trace class. | |
52 | * | |
53 | * It is generally accepted that Signal instances consider themselves to be | |
54 | * individual channels on e.g. an oscilloscope, though it should be kept in | |
55 | * mind that virtual signals (e.g. math) will also be served by the Signal | |
56 | * class. | |
57 | */ | |
58 | class Signal : public Trace, public ViewItemOwner | |
59 | { | |
60 | Q_OBJECT | |
61 | ||
62 | protected: | |
63 | Signal(pv::Session &session, shared_ptr<data::SignalBase> channel); | |
64 | ||
65 | public: | |
66 | /** | |
67 | * Sets the name of the signal. | |
68 | */ | |
69 | virtual void set_name(QString name); | |
70 | ||
71 | virtual shared_ptr<pv::data::SignalData> data() const = 0; | |
72 | ||
73 | /** | |
74 | * Determines the closest level change (i.e. edge) to a given sample, which | |
75 | * is useful for e.g. the "snap to edge" functionality. | |
76 | * | |
77 | * @param sample_pos Sample to use | |
78 | * @return The changes left and right of the given position | |
79 | */ | |
80 | virtual vector<data::LogicSegment::EdgePair> get_nearest_level_changes(uint64_t sample_pos) = 0; | |
81 | ||
82 | /** | |
83 | * Returns true if the trace is visible and enabled. | |
84 | */ | |
85 | bool enabled() const; | |
86 | ||
87 | shared_ptr<data::SignalBase> base() const; | |
88 | ||
89 | virtual void save_settings(QSettings &settings) const; | |
90 | ||
91 | virtual void restore_settings(QSettings &settings); | |
92 | ||
93 | void paint_back(QPainter &p, ViewItemPaintParams &pp); | |
94 | ||
95 | virtual void populate_popup_form(QWidget *parent, QFormLayout *form); | |
96 | ||
97 | QMenu* create_header_context_menu(QWidget *parent); | |
98 | ||
99 | void delete_pressed(); | |
100 | ||
101 | protected Q_SLOTS: | |
102 | virtual void on_name_changed(const QString &text); | |
103 | ||
104 | void on_disable(); | |
105 | ||
106 | void on_enabled_changed(bool enabled); | |
107 | ||
108 | protected: | |
109 | pv::Session &session_; | |
110 | ||
111 | QComboBox *name_widget_; | |
112 | }; | |
113 | ||
114 | } // namespace trace | |
115 | } // namespace views | |
116 | } // namespace pv | |
117 | ||
118 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP |