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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_TRACE_CURSORPAIR_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACE_CURSORPAIR_HPP | |
22 | ||
23 | #include "cursor.hpp" | |
24 | #include "pv/globalsettings.hpp" | |
25 | ||
26 | #include <memory> | |
27 | ||
28 | #include <QColor> | |
29 | #include <QPainter> | |
30 | #include <QRect> | |
31 | ||
32 | using std::pair; | |
33 | using std::shared_ptr; | |
34 | ||
35 | class QPainter; | |
36 | ||
37 | namespace pv { | |
38 | namespace views { | |
39 | namespace trace { | |
40 | ||
41 | class View; | |
42 | ||
43 | class CursorPair : public TimeItem, public GlobalSettingsInterface | |
44 | { | |
45 | Q_OBJECT | |
46 | ||
47 | private: | |
48 | static const int DeltaPadding; | |
49 | ||
50 | public: | |
51 | /** | |
52 | * Constructor. | |
53 | * @param view A reference to the view that owns this cursor pair. | |
54 | */ | |
55 | CursorPair(View &view); | |
56 | ||
57 | ~CursorPair(); | |
58 | ||
59 | /** | |
60 | * Returns true if the item is visible and enabled. | |
61 | */ | |
62 | bool enabled() const override; | |
63 | ||
64 | /** | |
65 | * Returns a pointer to the first cursor. | |
66 | */ | |
67 | shared_ptr<Cursor> first() const; | |
68 | ||
69 | /** | |
70 | * Returns a pointer to the second cursor. | |
71 | */ | |
72 | shared_ptr<Cursor> second() const; | |
73 | ||
74 | /** | |
75 | * Sets the time of the marker. | |
76 | */ | |
77 | void set_time(const pv::util::Timestamp& time) override; | |
78 | ||
79 | virtual const pv::util::Timestamp time() const override; | |
80 | ||
81 | float get_x() const override; | |
82 | ||
83 | virtual const pv::util::Timestamp delta(const pv::util::Timestamp& other) const override; | |
84 | ||
85 | QPoint drag_point(const QRect &rect) const override; | |
86 | ||
87 | pv::widgets::Popup* create_popup(QWidget *parent) override; | |
88 | ||
89 | QMenu* create_header_context_menu(QWidget *parent) override; | |
90 | ||
91 | QRectF label_rect(const QRectF &rect) const override; | |
92 | ||
93 | /** | |
94 | * Paints the marker's label to the ruler. | |
95 | * @param p The painter to draw with. | |
96 | * @param rect The rectangle of the ruler client area. | |
97 | * @param hover true if the label is being hovered over by the mouse. | |
98 | */ | |
99 | void paint_label(QPainter &p, const QRect &rect, bool hover) override; | |
100 | ||
101 | /** | |
102 | * Paints the background layer of the item with a QPainter | |
103 | * @param p the QPainter to paint into. | |
104 | * @param pp the painting parameters object to paint with. | |
105 | */ | |
106 | void paint_back(QPainter &p, ViewItemPaintParams &pp) override; | |
107 | ||
108 | /** | |
109 | * Constructs the string to display. | |
110 | */ | |
111 | QString format_string(int max_width = 0, std::function<double(const QString&)> query_size | |
112 | = [](const QString& s) -> double { (void)s; return 0; }); | |
113 | ||
114 | pair<float, float> get_cursor_offsets() const; | |
115 | ||
116 | virtual void on_setting_changed(const QString &key, const QVariant &value) override; | |
117 | ||
118 | public Q_SLOTS: | |
119 | void on_hover_point_changed(const QWidget* widget, const QPoint &hp); | |
120 | ||
121 | private: | |
122 | QString format_string_sub(int time_precision, int freq_precision, bool show_unit = true); | |
123 | ||
124 | private: | |
125 | shared_ptr<Cursor> first_, second_; | |
126 | QColor fill_color_; | |
127 | ||
128 | QSizeF text_size_; | |
129 | QRectF label_area_; | |
130 | bool label_incomplete_; | |
131 | bool show_interval_, show_frequency_, show_samples_; | |
132 | }; | |
133 | ||
134 | } // namespace trace | |
135 | } // namespace views | |
136 | } // namespace pv | |
137 | ||
138 | #endif // PULSEVIEW_PV_VIEWS_TRACE_CURSORPAIR_HPP |