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ad341c3a JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
ad341c3a JH |
18 | */ |
19 | ||
eeceee99 | 20 | #include "signal.hpp" |
ad341c3a | 21 | #include "timeitem.hpp" |
23e75650 | 22 | #include "view.hpp" |
ad341c3a JH |
23 | |
24 | namespace pv { | |
f4e57597 | 25 | namespace views { |
1573bf16 | 26 | namespace trace { |
ad341c3a JH |
27 | |
28 | TimeItem::TimeItem(View &view) : | |
29 | view_(view) { | |
30 | } | |
31 | ||
23e75650 JH |
32 | void TimeItem::drag_by(const QPoint &delta) |
33 | { | |
eeceee99 SA |
34 | int64_t sample_num = view_.get_nearest_level_change(drag_point_ + delta); |
35 | ||
36 | if (sample_num > -1) | |
37 | set_time(sample_num / view_.get_signal_under_mouse_cursor()->base()->get_samplerate()); | |
38 | else | |
39 | set_time(view_.offset() + (drag_point_.x() + delta.x() - 0.5) * | |
40 | view_.scale()); | |
23e75650 JH |
41 | } |
42 | ||
9f094349 SA |
43 | const pv::util::Timestamp TimeItem::delta(const pv::util::Timestamp& other) const |
44 | { | |
45 | return other - time(); | |
46 | } | |
47 | ||
1573bf16 | 48 | } // namespace trace |
f4e57597 | 49 | } // namespace views |
ad341c3a | 50 | } // namespace pv |