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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2020 Soeren Apel <soeren@apelpie.net> | |
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 | #include <QDebug> | |
21 | #include <QString> | |
22 | ||
23 | #include "pv/views/tabular_decoder/view.hpp" | |
24 | ||
25 | #include "view.hpp" | |
26 | ||
27 | #include "pv/util.hpp" | |
28 | ||
29 | using std::make_shared; | |
30 | ||
31 | using pv::util::Timestamp; | |
32 | using pv::util::format_time_si; | |
33 | using pv::util::format_time_minutes; | |
34 | using pv::util::SIPrefix; | |
35 | ||
36 | namespace pv { | |
37 | namespace views { | |
38 | namespace tabular_decoder { | |
39 | ||
40 | AnnotationCollectionModel::AnnotationCollectionModel(QObject* parent) : | |
41 | QAbstractTableModel(parent), | |
42 | all_annotations_(nullptr), | |
43 | dataset_(nullptr), | |
44 | signal_(nullptr), | |
45 | prev_segment_(0), | |
46 | prev_last_row_(0), | |
47 | hide_hidden_(false) | |
48 | { | |
49 | GlobalSettings::add_change_handler(this); | |
50 | theme_is_dark_ = GlobalSettings::current_theme_is_dark(); | |
51 | ||
52 | // TBD Maybe use empty columns as indentation levels to indicate stacked decoders | |
53 | header_data_.emplace_back(tr("Sample")); // Column #0 | |
54 | header_data_.emplace_back(tr("Time")); // Column #1 | |
55 | header_data_.emplace_back(tr("Decoder")); // Column #2 | |
56 | header_data_.emplace_back(tr("Ann Row")); // Column #3 | |
57 | header_data_.emplace_back(tr("Ann Class")); // Column #4 | |
58 | header_data_.emplace_back(tr("Value")); // Column #5 | |
59 | } | |
60 | ||
61 | QVariant AnnotationCollectionModel::data_from_ann(const Annotation* ann, int index) const | |
62 | { | |
63 | switch (index) { | |
64 | case 0: return QVariant((qulonglong)ann->start_sample()); // Column #0, Start Sample | |
65 | case 1: { // Column #1, Start Time | |
66 | Timestamp t = ann->start_sample() / signal_->get_samplerate(); | |
67 | QString unit = signal_->get_samplerate() ? tr("s") : tr("sa"); | |
68 | QString s; | |
69 | if ((t < 60) || (signal_->get_samplerate() == 0)) // i.e. if unit is sa | |
70 | s = format_time_si(t, SIPrefix::unspecified, 3, unit, false); | |
71 | else | |
72 | s = format_time_minutes(t, 3, false); | |
73 | return QVariant(s); | |
74 | } | |
75 | case 2: return QVariant(ann->row()->decoder()->name()); // Column #2, Decoder | |
76 | case 3: return QVariant(ann->row()->description()); // Column #3, Ann Row | |
77 | case 4: return QVariant(ann->ann_class_description()); // Column #4, Ann Class | |
78 | case 5: return QVariant(ann->longest_annotation()); // Column #5, Value | |
79 | default: return QVariant(); | |
80 | } | |
81 | } | |
82 | ||
83 | QVariant AnnotationCollectionModel::data(const QModelIndex& index, int role) const | |
84 | { | |
85 | if (!signal_ || !index.isValid() || !index.internalPointer()) | |
86 | return QVariant(); | |
87 | ||
88 | const Annotation* ann = | |
89 | static_cast<const Annotation*>(index.internalPointer()); | |
90 | ||
91 | if ((role == Qt::DisplayRole) || (role == Qt::ToolTipRole)) | |
92 | return data_from_ann(ann, index.column()); | |
93 | ||
94 | if (role == Qt::BackgroundRole) { | |
95 | int level = 0; | |
96 | ||
97 | const unsigned int ann_stack_level = ann->row_data()->row()->decoder()->get_stack_level(); | |
98 | level = (signal_->decoder_stack().size() - 1 - ann_stack_level); | |
99 | ||
100 | // Only use custom cell background color if column index reached the hierarchy level | |
101 | if (index.column() >= level) { | |
102 | if (theme_is_dark_) | |
103 | return QBrush(ann->dark_color()); | |
104 | else | |
105 | return QBrush(ann->bright_color()); | |
106 | } | |
107 | } | |
108 | ||
109 | return QVariant(); | |
110 | } | |
111 | ||
112 | Qt::ItemFlags AnnotationCollectionModel::flags(const QModelIndex& index) const | |
113 | { | |
114 | if (!index.isValid()) | |
115 | return Qt::NoItemFlags; | |
116 | ||
117 | return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemNeverHasChildren; | |
118 | } | |
119 | ||
120 | QVariant AnnotationCollectionModel::headerData(int section, Qt::Orientation orientation, | |
121 | int role) const | |
122 | { | |
123 | if ((orientation == Qt::Horizontal) && (role == Qt::DisplayRole)) | |
124 | return header_data_.at(section); | |
125 | ||
126 | return QVariant(); | |
127 | } | |
128 | ||
129 | QModelIndex AnnotationCollectionModel::index(int row, int column, | |
130 | const QModelIndex& parent_idx) const | |
131 | { | |
132 | (void)parent_idx; | |
133 | assert(column >= 0); | |
134 | ||
135 | if (!dataset_ || (row < 0)) | |
136 | return QModelIndex(); | |
137 | ||
138 | QModelIndex idx; | |
139 | ||
140 | if ((size_t)row < dataset_->size()) | |
141 | idx = createIndex(row, column, (void*)dataset_->at(row)); | |
142 | ||
143 | return idx; | |
144 | } | |
145 | ||
146 | QModelIndex AnnotationCollectionModel::parent(const QModelIndex& index) const | |
147 | { | |
148 | (void)index; | |
149 | ||
150 | return QModelIndex(); | |
151 | } | |
152 | ||
153 | int AnnotationCollectionModel::rowCount(const QModelIndex& parent_idx) const | |
154 | { | |
155 | (void)parent_idx; | |
156 | ||
157 | if (!dataset_) | |
158 | return 0; | |
159 | ||
160 | return dataset_->size(); | |
161 | } | |
162 | ||
163 | int AnnotationCollectionModel::columnCount(const QModelIndex& parent_idx) const | |
164 | { | |
165 | (void)parent_idx; | |
166 | ||
167 | return header_data_.size(); | |
168 | } | |
169 | ||
170 | void AnnotationCollectionModel::set_signal_and_segment(data::DecodeSignal* signal, uint32_t current_segment) | |
171 | { | |
172 | if (!signal) { | |
173 | all_annotations_ = nullptr; | |
174 | dataset_ = nullptr; | |
175 | signal_ = nullptr; | |
176 | ||
177 | dataChanged(QModelIndex(), QModelIndex()); | |
178 | layoutChanged(); | |
179 | return; | |
180 | } | |
181 | ||
182 | all_annotations_ = signal->get_all_annotations_by_segment(current_segment); | |
183 | signal_ = signal; | |
184 | ||
185 | if (hide_hidden_) | |
186 | update_annotations_without_hidden(); | |
187 | else | |
188 | dataset_ = all_annotations_; | |
189 | ||
190 | if (!dataset_ || dataset_->empty()) { | |
191 | prev_segment_ = current_segment; | |
192 | return; | |
193 | } | |
194 | ||
195 | const size_t new_row_count = dataset_->size() - 1; | |
196 | ||
197 | // Force the view associated with this model to update when the segment changes | |
198 | if (prev_segment_ != current_segment) { | |
199 | dataChanged(QModelIndex(), QModelIndex()); | |
200 | layoutChanged(); | |
201 | } else { | |
202 | // Force the view associated with this model to update when we have more annotations | |
203 | if (prev_last_row_ < new_row_count) { | |
204 | dataChanged(index(prev_last_row_, 0), index(new_row_count, 0)); | |
205 | layoutChanged(); | |
206 | } | |
207 | } | |
208 | ||
209 | prev_segment_ = current_segment; | |
210 | prev_last_row_ = new_row_count; | |
211 | } | |
212 | ||
213 | void AnnotationCollectionModel::set_hide_hidden(bool hide_hidden) | |
214 | { | |
215 | hide_hidden_ = hide_hidden; | |
216 | ||
217 | if (hide_hidden_) { | |
218 | dataset_ = &all_annotations_without_hidden_; | |
219 | update_annotations_without_hidden(); | |
220 | } else { | |
221 | dataset_ = all_annotations_; | |
222 | all_annotations_without_hidden_.clear(); // To conserve memory | |
223 | } | |
224 | } | |
225 | ||
226 | void AnnotationCollectionModel::update_annotations_without_hidden() | |
227 | { | |
228 | uint64_t count = 0; | |
229 | ||
230 | if (!all_annotations_ || all_annotations_->empty()) { | |
231 | all_annotations_without_hidden_.clear(); | |
232 | return; | |
233 | } | |
234 | ||
235 | for (const Annotation* ann : *all_annotations_) { | |
236 | if (!ann->visible()) | |
237 | continue; | |
238 | ||
239 | if (all_annotations_without_hidden_.size() < (count + 100)) | |
240 | all_annotations_without_hidden_.resize(count + 100); | |
241 | ||
242 | all_annotations_without_hidden_[count++] = ann; | |
243 | } | |
244 | ||
245 | all_annotations_without_hidden_.resize(count); | |
246 | ||
247 | dataChanged(index(0, 0), index(count, 0)); | |
248 | layoutChanged(); | |
249 | } | |
250 | ||
251 | void AnnotationCollectionModel::on_setting_changed(const QString &key, const QVariant &value) | |
252 | { | |
253 | (void)key; | |
254 | (void)value; | |
255 | ||
256 | // We don't really care about the actual setting, we just update the | |
257 | // flag that indicates whether we are using a bright or dark color theme | |
258 | theme_is_dark_ = GlobalSettings::current_theme_is_dark(); | |
259 | } | |
260 | ||
261 | } // namespace tabular_decoder | |
262 | } // namespace views | |
263 | } // namespace pv |