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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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef PULSEVIEW_PV_VIEW_CURSORPAIR_H | |
22 | #define PULSEVIEW_PV_VIEW_CURSORPAIR_H | |
23 | ||
24 | #include "cursor.hpp" | |
25 | ||
26 | #include <memory> | |
27 | ||
28 | #include <QPainter> | |
29 | ||
30 | class QPainter; | |
31 | ||
32 | namespace pv { | |
33 | namespace view { | |
34 | ||
35 | class CursorPair : public TimeItem | |
36 | { | |
37 | private: | |
38 | static const int DeltaPadding; | |
39 | ||
40 | public: | |
41 | /** | |
42 | * Constructor. | |
43 | * @param view A reference to the view that owns this cursor pair. | |
44 | */ | |
45 | CursorPair(View &view); | |
46 | ||
47 | public: | |
48 | /** | |
49 | * Returns true if the item is visible and enabled. | |
50 | */ | |
51 | bool enabled() const; | |
52 | ||
53 | /** | |
54 | * Returns a pointer to the first cursor. | |
55 | */ | |
56 | std::shared_ptr<Cursor> first() const; | |
57 | ||
58 | /** | |
59 | * Returns a pointer to the second cursor. | |
60 | */ | |
61 | std::shared_ptr<Cursor> second() const; | |
62 | ||
63 | /** | |
64 | * Sets the time of the marker. | |
65 | */ | |
66 | void set_time(double time); | |
67 | ||
68 | float get_x() const; | |
69 | ||
70 | QPoint point() const; | |
71 | ||
72 | pv::widgets::Popup* create_popup(QWidget *parent); | |
73 | ||
74 | public: | |
75 | QRectF label_rect(const QRectF &rect) const; | |
76 | ||
77 | void paint_label(QPainter &p, const QRect &rect); | |
78 | ||
79 | void draw_viewport_background(QPainter &p, const QRect &rect); | |
80 | ||
81 | void draw_viewport_foreground(QPainter &p, const QRect &rect); | |
82 | ||
83 | void compute_text_size(QPainter &p, unsigned int prefix); | |
84 | ||
85 | std::pair<float, float> get_cursor_offsets() const; | |
86 | ||
87 | private: | |
88 | std::shared_ptr<Cursor> first_, second_; | |
89 | ||
90 | QSizeF text_size_; | |
91 | }; | |
92 | ||
93 | } // namespace view | |
94 | } // namespace pv | |
95 | ||
96 | #endif // PULSEVIEW_PV_VIEW_CURSORPAIR_H |