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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 | * Copyright (C) 2016 Soeren Apel <soeren@apelpie.net> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #ifdef ENABLE_DECODE | |
22 | #include <libsigrokdecode/libsigrokdecode.h> | |
23 | #endif | |
24 | ||
25 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
26 | ||
27 | #include "pv/session.hpp" | |
28 | #include "pv/util.hpp" | |
29 | #include "pv/data/segment.hpp" | |
30 | ||
31 | using std::shared_ptr; | |
32 | ||
33 | namespace pv { | |
34 | namespace views { | |
35 | ||
36 | const char* ViewTypeNames[ViewTypeCount] = { | |
37 | "Trace View", | |
38 | #ifdef ENABLE_DECODE | |
39 | "Decoder Output View" | |
40 | #endif | |
41 | }; | |
42 | ||
43 | const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz | |
44 | ||
45 | ViewBase::ViewBase(Session &session, bool is_main_view, QMainWindow *parent) : | |
46 | // Note: Place defaults in ViewBase::reset_view_state(), not here | |
47 | QWidget(parent), | |
48 | session_(session), | |
49 | is_main_view_(is_main_view) | |
50 | { | |
51 | (void)parent; | |
52 | ||
53 | connect(&session_, SIGNAL(signals_changed()), | |
54 | this, SLOT(signals_changed())); | |
55 | connect(&session_, SIGNAL(capture_state_changed(int)), | |
56 | this, SLOT(capture_state_updated(int))); | |
57 | connect(&session_, SIGNAL(new_segment(int)), | |
58 | this, SLOT(on_new_segment(int))); | |
59 | ||
60 | connect(&delayed_view_updater_, SIGNAL(timeout()), | |
61 | this, SLOT(perform_delayed_view_update())); | |
62 | delayed_view_updater_.setSingleShot(true); | |
63 | delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate); | |
64 | } | |
65 | ||
66 | void ViewBase::reset_view_state() | |
67 | { | |
68 | current_segment_ = 0; | |
69 | } | |
70 | ||
71 | Session& ViewBase::session() | |
72 | { | |
73 | return session_; | |
74 | } | |
75 | ||
76 | const Session& ViewBase::session() const | |
77 | { | |
78 | return session_; | |
79 | } | |
80 | ||
81 | void ViewBase::clear_signals() | |
82 | { | |
83 | } | |
84 | ||
85 | unordered_set< shared_ptr<data::SignalBase> > ViewBase::signalbases() const | |
86 | { | |
87 | return signalbases_; | |
88 | } | |
89 | ||
90 | void ViewBase::clear_signalbases() | |
91 | { | |
92 | for (const shared_ptr<data::SignalBase>& signalbase : signalbases_) { | |
93 | disconnect(signalbase.get(), SIGNAL(samples_cleared()), | |
94 | this, SLOT(on_data_updated())); | |
95 | disconnect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), | |
96 | this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t))); | |
97 | } | |
98 | ||
99 | signalbases_.clear(); | |
100 | } | |
101 | ||
102 | void ViewBase::add_signalbase(const shared_ptr<data::SignalBase> signalbase) | |
103 | { | |
104 | signalbases_.insert(signalbase); | |
105 | ||
106 | connect(signalbase.get(), SIGNAL(samples_cleared()), | |
107 | this, SLOT(on_data_updated())); | |
108 | connect(signalbase.get(), SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), | |
109 | this, SLOT(on_samples_added(uint64_t, uint64_t, uint64_t))); | |
110 | } | |
111 | ||
112 | #ifdef ENABLE_DECODE | |
113 | void ViewBase::clear_decode_signals() | |
114 | { | |
115 | } | |
116 | ||
117 | void ViewBase::add_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
118 | { | |
119 | (void)signal; | |
120 | } | |
121 | ||
122 | void ViewBase::remove_decode_signal(shared_ptr<data::DecodeSignal> signal) | |
123 | { | |
124 | (void)signal; | |
125 | } | |
126 | #endif | |
127 | ||
128 | void ViewBase::save_settings(QSettings &settings) const | |
129 | { | |
130 | (void)settings; | |
131 | } | |
132 | ||
133 | void ViewBase::restore_settings(QSettings &settings) | |
134 | { | |
135 | (void)settings; | |
136 | } | |
137 | ||
138 | void ViewBase::trigger_event(int segment_id, util::Timestamp location) | |
139 | { | |
140 | (void)segment_id; | |
141 | (void)location; | |
142 | } | |
143 | ||
144 | void ViewBase::signals_changed() | |
145 | { | |
146 | } | |
147 | ||
148 | void ViewBase::on_new_segment(int new_segment_id) | |
149 | { | |
150 | (void)new_segment_id; | |
151 | } | |
152 | ||
153 | void ViewBase::on_segment_completed(int new_segment_id) | |
154 | { | |
155 | (void)new_segment_id; | |
156 | } | |
157 | ||
158 | void ViewBase::capture_state_updated(int state) | |
159 | { | |
160 | (void)state; | |
161 | } | |
162 | ||
163 | void ViewBase::perform_delayed_view_update() | |
164 | { | |
165 | } | |
166 | ||
167 | void ViewBase::on_samples_added(uint64_t segment_id, uint64_t start_sample, | |
168 | uint64_t end_sample) | |
169 | { | |
170 | (void)start_sample; | |
171 | (void)end_sample; | |
172 | ||
173 | if (segment_id != current_segment_) | |
174 | return; | |
175 | ||
176 | if (!delayed_view_updater_.isActive()) | |
177 | delayed_view_updater_.start(); | |
178 | } | |
179 | ||
180 | void ViewBase::on_data_updated() | |
181 | { | |
182 | if (!delayed_view_updater_.isActive()) | |
183 | delayed_view_updater_.start(); | |
184 | } | |
185 | ||
186 | } // namespace views | |
187 | } // namespace pv |