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1 | /* | |
2 | * This file is part of the PulseView project. | |
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 | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP | |
21 | #define PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP | |
22 | ||
23 | #include <QCache> | |
24 | #include <QColor> | |
25 | #include <QDebug> | |
26 | #include <QSpinBox> | |
27 | ||
28 | #include "signal.hpp" | |
29 | ||
30 | #include <memory> | |
31 | ||
32 | using std::pair; | |
33 | using std::shared_ptr; | |
34 | using std::vector; | |
35 | ||
36 | class QIcon; | |
37 | class QToolBar; | |
38 | ||
39 | namespace sigrok { | |
40 | class TriggerMatchType; | |
41 | } | |
42 | ||
43 | namespace pv { | |
44 | ||
45 | namespace devices { | |
46 | class Device; | |
47 | } | |
48 | ||
49 | namespace data { | |
50 | class Logic; | |
51 | } | |
52 | ||
53 | namespace views { | |
54 | namespace trace { | |
55 | ||
56 | class LogicSignal : public Signal | |
57 | { | |
58 | Q_OBJECT | |
59 | ||
60 | public: | |
61 | static const float Oversampling; | |
62 | ||
63 | static const QColor EdgeColor; | |
64 | static const QColor HighColor; | |
65 | static const QColor LowColor; | |
66 | static const QColor SamplingPointColor; | |
67 | ||
68 | static QColor TriggerMarkerBackgroundColor; | |
69 | static const int TriggerMarkerPadding; | |
70 | static const char* TriggerMarkerIcons[8]; | |
71 | ||
72 | LogicSignal(pv::Session &session, | |
73 | shared_ptr<devices::Device> device, | |
74 | shared_ptr<data::SignalBase> base); | |
75 | ||
76 | virtual ~LogicSignal() = default; | |
77 | ||
78 | shared_ptr<pv::data::SignalData> data() const; | |
79 | ||
80 | shared_ptr<pv::data::Logic> logic_data() const; | |
81 | ||
82 | virtual std::map<QString, QVariant> save_settings() const; | |
83 | virtual void restore_settings(std::map<QString, QVariant> settings); | |
84 | ||
85 | /** | |
86 | * Computes the vertical extents of the contents of this row item. | |
87 | * @return A pair containing the minimum and maximum y-values. | |
88 | */ | |
89 | pair<int, int> v_extents() const; | |
90 | ||
91 | /** | |
92 | * Paints the mid-layer of the signal with a QPainter | |
93 | * @param p the QPainter to paint into. | |
94 | * @param pp the painting parameters object to paint with.. | |
95 | */ | |
96 | void paint_mid(QPainter &p, ViewItemPaintParams &pp); | |
97 | ||
98 | /** | |
99 | * Paints the foreground layer of the signal with a QPainter | |
100 | * @param p the QPainter to paint into. | |
101 | * @param pp the painting parameters object to paint with. | |
102 | */ | |
103 | virtual void paint_fore(QPainter &p, ViewItemPaintParams &pp); | |
104 | ||
105 | /** | |
106 | * Determines the closest level change (i.e. edge) to a given sample, which | |
107 | * is useful for e.g. the "snap to edge" functionality. | |
108 | * | |
109 | * @param sample_pos Sample to use | |
110 | * @return The changes left and right of the given position | |
111 | */ | |
112 | virtual vector<data::LogicSegment::EdgePair> get_nearest_level_changes(uint64_t sample_pos); | |
113 | ||
114 | private: | |
115 | void paint_caps(QPainter &p, QLineF *const lines, | |
116 | vector< pair<int64_t, bool> > &edges, | |
117 | bool level, double samples_per_pixel, double pixels_offset, | |
118 | float x_offset, float y_offset); | |
119 | ||
120 | shared_ptr<pv::data::LogicSegment> get_logic_segment_to_paint() const; | |
121 | ||
122 | void init_trigger_actions(QWidget *parent); | |
123 | ||
124 | const vector<int32_t> get_trigger_types() const; | |
125 | QAction* action_from_trigger_type(const sigrok::TriggerMatchType *type); | |
126 | const sigrok::TriggerMatchType* trigger_type_from_action( | |
127 | QAction *action); | |
128 | void populate_popup_form(QWidget *parent, QFormLayout *form); | |
129 | void modify_trigger(); | |
130 | ||
131 | static const QIcon* get_icon(const char *path); | |
132 | static const QPixmap* get_pixmap(const char *path); | |
133 | ||
134 | private Q_SLOTS: | |
135 | void on_setting_changed(const QString &key, const QVariant &value); | |
136 | ||
137 | void on_trigger(); | |
138 | ||
139 | void on_signal_height_changed(int height); | |
140 | ||
141 | private: | |
142 | QColor high_fill_color_; | |
143 | bool show_sampling_points_, fill_high_areas_; | |
144 | ||
145 | shared_ptr<pv::devices::Device> device_; | |
146 | ||
147 | QSpinBox *signal_height_sb_; | |
148 | ||
149 | const sigrok::TriggerMatchType *trigger_match_; | |
150 | const vector<int32_t> trigger_types_; | |
151 | QToolBar *trigger_bar_; | |
152 | QAction *trigger_none_; | |
153 | QAction *trigger_rising_; | |
154 | QAction *trigger_high_; | |
155 | QAction *trigger_falling_; | |
156 | QAction *trigger_low_; | |
157 | QAction *trigger_change_; | |
158 | ||
159 | static QCache<QString, const QIcon> icon_cache_; | |
160 | static QCache<QString, const QPixmap> pixmap_cache_; | |
161 | ||
162 | // --------------------------------------------------------------------------- | |
163 | // Note: Make sure to update save_settings() and restore_settings() when | |
164 | // adding a trace-configurable variable here | |
165 | int signal_height_; | |
166 | }; | |
167 | ||
168 | } // namespace trace | |
169 | } // namespace views | |
170 | } // namespace pv | |
171 | ||
172 | #endif // PULSEVIEW_PV_VIEWS_TRACE_LOGICSIGNAL_HPP |