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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 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_CURSORPAIR_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP | |
22 | ||
23 | #include "cursor.hpp" | |
24 | ||
25 | #include <memory> | |
26 | ||
27 | #include <QPainter> | |
28 | #include <QRect> | |
29 | ||
30 | using std::pair; | |
31 | using std::shared_ptr; | |
32 | ||
33 | class QPainter; | |
34 | ||
35 | namespace pv { | |
36 | namespace views { | |
37 | namespace trace { | |
38 | ||
39 | class View; | |
40 | ||
41 | class CursorPair : public TimeItem | |
42 | { | |
43 | Q_OBJECT | |
44 | ||
45 | private: | |
46 | static const int DeltaPadding; | |
47 | static const QColor ViewportFillColor; | |
48 | ||
49 | public: | |
50 | /** | |
51 | * Constructor. | |
52 | * @param view A reference to the view that owns this cursor pair. | |
53 | */ | |
54 | CursorPair(View &view); | |
55 | ||
56 | /** | |
57 | * Returns true if the item is visible and enabled. | |
58 | */ | |
59 | bool enabled() const override; | |
60 | ||
61 | /** | |
62 | * Returns a pointer to the first cursor. | |
63 | */ | |
64 | shared_ptr<Cursor> first() const; | |
65 | ||
66 | /** | |
67 | * Returns a pointer to the second cursor. | |
68 | */ | |
69 | shared_ptr<Cursor> second() const; | |
70 | ||
71 | /** | |
72 | * Sets the time of the marker. | |
73 | */ | |
74 | void set_time(const pv::util::Timestamp& time) override; | |
75 | ||
76 | float get_x() const override; | |
77 | ||
78 | QPoint drag_point(const QRect &rect) const override; | |
79 | ||
80 | pv::widgets::Popup* create_popup(QWidget *parent) override; | |
81 | ||
82 | public: | |
83 | QRectF label_rect(const QRectF &rect) const override; | |
84 | ||
85 | /** | |
86 | * Paints the marker's label to the ruler. | |
87 | * @param p The painter to draw with. | |
88 | * @param rect The rectangle of the ruler client area. | |
89 | * @param hover true if the label is being hovered over by the mouse. | |
90 | */ | |
91 | void paint_label(QPainter &p, const QRect &rect, bool hover) override; | |
92 | ||
93 | /** | |
94 | * Paints the background layer of the item with a QPainter | |
95 | * @param p the QPainter to paint into. | |
96 | * @param pp the painting parameters object to paint with. | |
97 | */ | |
98 | void paint_back(QPainter &p, ViewItemPaintParams &pp) override; | |
99 | ||
100 | /** | |
101 | * Constructs the string to display. | |
102 | */ | |
103 | QString format_string(); | |
104 | ||
105 | pair<float, float> get_cursor_offsets() const; | |
106 | ||
107 | public Q_SLOTS: | |
108 | void on_hover_point_changed(const QWidget* widget, const QPoint &hp); | |
109 | ||
110 | private: | |
111 | shared_ptr<Cursor> first_, second_; | |
112 | ||
113 | QSizeF text_size_; | |
114 | QRectF label_area_; | |
115 | bool label_incomplete_; | |
116 | }; | |
117 | ||
118 | } // namespace trace | |
119 | } // namespace views | |
120 | } // namespace pv | |
121 | ||
122 | #endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP |