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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_HPP | |
22 | #define PULSEVIEW_PV_VIEW_CURSORPAIR_HPP | |
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 | static const QColor ViewportFillColour; | |
40 | ||
41 | public: | |
42 | /** | |
43 | * Constructor. | |
44 | * @param view A reference to the view that owns this cursor pair. | |
45 | */ | |
46 | CursorPair(View &view); | |
47 | ||
48 | public: | |
49 | /** | |
50 | * Returns true if the item is visible and enabled. | |
51 | */ | |
52 | bool enabled() const; | |
53 | ||
54 | /** | |
55 | * Returns a pointer to the first cursor. | |
56 | */ | |
57 | std::shared_ptr<Cursor> first() const; | |
58 | ||
59 | /** | |
60 | * Returns a pointer to the second cursor. | |
61 | */ | |
62 | std::shared_ptr<Cursor> second() const; | |
63 | ||
64 | /** | |
65 | * Sets the time of the marker. | |
66 | */ | |
67 | void set_time(double time); | |
68 | ||
69 | float get_x() const; | |
70 | ||
71 | QPoint point(const QRect &rect) const; | |
72 | ||
73 | pv::widgets::Popup* create_popup(QWidget *parent); | |
74 | ||
75 | public: | |
76 | QRectF label_rect(const QRectF &rect) const; | |
77 | ||
78 | /** | |
79 | * Paints the marker's label to the ruler. | |
80 | * @param p The painter to draw with. | |
81 | * @param rect The rectangle of the ruler client area. | |
82 | * @param hover true if the label is being hovered over by the mouse. | |
83 | */ | |
84 | void paint_label(QPainter &p, const QRect &rect, bool hover); | |
85 | ||
86 | /** | |
87 | * Paints the background layer of the item with a QPainter | |
88 | * @param p the QPainter to paint into. | |
89 | * @param pp the painting parameters object to paint with. | |
90 | **/ | |
91 | void paint_back(QPainter &p, const ViewItemPaintParams &pp); | |
92 | ||
93 | /** | |
94 | * Constructs the string to display. | |
95 | */ | |
96 | QString format_string(); | |
97 | ||
98 | void compute_text_size(QPainter &p); | |
99 | ||
100 | std::pair<float, float> get_cursor_offsets() const; | |
101 | ||
102 | private: | |
103 | std::shared_ptr<Cursor> first_, second_; | |
104 | ||
105 | QSizeF text_size_; | |
106 | }; | |
107 | ||
108 | } // namespace view | |
109 | } // namespace pv | |
110 | ||
111 | #endif // PULSEVIEW_PV_VIEW_CURSORPAIR_HPP |