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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2014 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_TIMEITEM_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_TIMEITEM_HPP | |
22 | ||
23 | #include "viewitem.hpp" | |
24 | ||
25 | namespace pv { | |
26 | namespace views { | |
27 | namespace trace { | |
28 | ||
29 | class View; | |
30 | ||
31 | /** | |
32 | * The TimeItem class represents items on the @ref Ruler. It is generic in | |
33 | * nature, not making assumptions about the kind of item shown. | |
34 | */ | |
35 | class TimeItem : public ViewItem | |
36 | { | |
37 | Q_OBJECT | |
38 | ||
39 | protected: | |
40 | /** | |
41 | * Constructor. | |
42 | * @param view A reference to the view that owns this marker. | |
43 | */ | |
44 | TimeItem(View &view); | |
45 | ||
46 | bool snapping_disabled_ = false; | |
47 | ||
48 | public: | |
49 | /** | |
50 | * Sets the time of the marker. | |
51 | */ | |
52 | virtual void set_time(const pv::util::Timestamp& time) = 0; | |
53 | ||
54 | /** | |
55 | * Returns the time this time item is set to. | |
56 | * @return 0 in case there is no valid time (e.g. for a cursor pair) | |
57 | */ | |
58 | virtual const pv::util::Timestamp time() const = 0; | |
59 | ||
60 | virtual float get_x() const = 0; | |
61 | ||
62 | virtual const pv::util::Timestamp delta(const pv::util::Timestamp& other) const; | |
63 | ||
64 | /** | |
65 | * Drags the item to a delta relative to the drag point. | |
66 | * @param delta the offset from the drag point. | |
67 | */ | |
68 | void drag_by(const QPoint &delta); | |
69 | ||
70 | bool is_snapping_disabled() const; | |
71 | ||
72 | protected: | |
73 | View &view_; | |
74 | }; | |
75 | ||
76 | } // namespace trace | |
77 | } // namespace views | |
78 | } // namespace pv | |
79 | ||
80 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TIMEITEM_HPP |