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6fa02541 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
6fa02541 JH |
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 | |
efdec55a | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
6fa02541 JH |
18 | */ |
19 | ||
8845be3c UH |
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACE_VIEWPORT_HPP |
21 | #define PULSEVIEW_PV_VIEWS_TRACE_VIEWPORT_HPP | |
6fa02541 | 22 | |
60d9b99a JS |
23 | #include <boost/optional.hpp> |
24 | ||
119c5c23 | 25 | #include <QPoint> |
d7002724 | 26 | #include <QTimer> |
4b4f1c0d | 27 | #include <QTouchEvent> |
6fa02541 | 28 | |
e6c8d58b SA |
29 | #include <pv/globalsettings.hpp> |
30 | ||
60d9b99a | 31 | #include "pv/util.hpp" |
40aca27e JH |
32 | #include "viewwidget.hpp" |
33 | ||
6f925ba9 UH |
34 | using std::shared_ptr; |
35 | using std::vector; | |
36 | ||
e9c41f8c | 37 | class QPainter; |
3e46726a | 38 | class QPaintEvent; |
2b81ae46 | 39 | class Session; |
009e1503 | 40 | |
cdf7bea7 | 41 | namespace pv { |
f4e57597 | 42 | namespace views { |
1573bf16 | 43 | namespace trace { |
cdf7bea7 JH |
44 | |
45 | class View; | |
46 | ||
e6c8d58b | 47 | class Viewport : public ViewWidget, public GlobalSettingsInterface |
6fa02541 JH |
48 | { |
49 | Q_OBJECT | |
e3f65ace | 50 | |
6fa02541 | 51 | public: |
cdf7bea7 | 52 | explicit Viewport(View &parent); |
e6c8d58b | 53 | ~Viewport(); |
d7002724 | 54 | |
e9e4e5e7 JH |
55 | /** |
56 | * Gets the first view item which has a hit-box that contains @c pt . | |
57 | * @param pt the point to search with. | |
58 | * @return the view item that has been found, or and empty | |
59 | * @c shared_ptr if no item was found. | |
60 | */ | |
6f925ba9 | 61 | shared_ptr<ViewItem> get_mouse_over_item(const QPoint &pt); |
e9e4e5e7 | 62 | |
d9b55cc8 SA |
63 | private: |
64 | /** | |
65 | * Indicates when a view item is being hovered over. | |
66 | * @param item The item that is being hovered over, or @c nullptr | |
67 | * if no view item is being hovered over. | |
68 | */ | |
119c5c23 | 69 | void item_hover(const shared_ptr<ViewItem> &item, QPoint pos); |
d9b55cc8 | 70 | |
28290534 JH |
71 | /** |
72 | * Sets this item into the dragged state. | |
73 | */ | |
74 | void drag(); | |
75 | ||
76 | /** | |
77 | * Drag the background by the delta offset. | |
78 | * @param delta the drag offset in pixels. | |
79 | */ | |
80 | void drag_by(const QPoint &delta); | |
81 | ||
82 | /** | |
83 | * Sets this item into the un-dragged state. | |
84 | */ | |
85 | void drag_release(); | |
86 | ||
e9e4e5e7 JH |
87 | /** |
88 | * Gets the items in the view widget. | |
89 | */ | |
6f925ba9 | 90 | vector< shared_ptr<ViewItem> > items(); |
e9e4e5e7 | 91 | |
c9743553 JH |
92 | /** |
93 | * Handles touch begin update and end events. | |
94 | * @param e the event that triggered this handler. | |
95 | */ | |
520362f8 | 96 | bool touch_event(QTouchEvent *event); |
c9743553 | 97 | |
3e46726a | 98 | void paintEvent(QPaintEvent *event); |
d7002724 | 99 | |
d9ea9628 | 100 | void mouseDoubleClickEvent(QMouseEvent *event); |
e6c8d58b | 101 | |
d9ea9628 | 102 | void wheelEvent(QWheelEvent *event); |
28290534 | 103 | |
e6c8d58b SA |
104 | void on_setting_changed(const QString &key, const QVariant &value); |
105 | ||
009e1503 | 106 | private: |
60d9b99a | 107 | boost::optional<pv::util::Timestamp> drag_offset_; |
838d0522 | 108 | int drag_v_offset_; |
e6c8d58b | 109 | bool allow_vertical_dragging_; |
4b4f1c0d | 110 | |
8dbbc7f0 JH |
111 | double pinch_offset0_; |
112 | double pinch_offset1_; | |
113 | bool pinch_zoom_active_; | |
6fa02541 JH |
114 | }; |
115 | ||
1573bf16 | 116 | } // namespace trace |
f4e57597 | 117 | } // namespace views |
cdf7bea7 JH |
118 | } // namespace pv |
119 | ||
8845be3c | 120 | #endif // PULSEVIEW_PV_VIEWS_TRACE_VIEWPORT_HPP |