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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2018 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 <QString> | |
21 | ||
22 | #include "subwindow.hpp" | |
23 | ||
24 | #include <libsigrokdecode/libsigrokdecode.h> | |
25 | ||
26 | using std::make_shared; | |
27 | ||
28 | namespace pv { | |
29 | namespace subwindows { | |
30 | namespace decoder_selector { | |
31 | ||
32 | DecoderCollectionModel::DecoderCollectionModel(QObject* parent) : | |
33 | QAbstractItemModel(parent) | |
34 | { | |
35 | vector<QVariant> header_data; | |
36 | header_data.emplace_back(tr("Decoder")); // Column #0 | |
37 | header_data.emplace_back(tr("Name")); // Column #1 | |
38 | header_data.emplace_back(tr("ID")); // Column #2 | |
39 | root_ = make_shared<DecoderCollectionItem>(header_data); | |
40 | ||
41 | // Note: the tag groups are sub-items of the root item | |
42 | ||
43 | // Create "all decoders" group | |
44 | vector<QVariant> item_data; | |
45 | item_data.emplace_back(tr("All Decoders")); | |
46 | // Add dummy entries to make the row count the same as the | |
47 | // sub-item size, or else we can't query sub-item data | |
48 | item_data.emplace_back(); | |
49 | item_data.emplace_back(); | |
50 | shared_ptr<DecoderCollectionItem> group_item_all = | |
51 | make_shared<DecoderCollectionItem>(item_data, root_); | |
52 | root_->appendSubItem(group_item_all); | |
53 | ||
54 | for (GSList* li = (GSList*)srd_decoder_list(); li; li = li->next) { | |
55 | const srd_decoder *const d = (srd_decoder*)li->data; | |
56 | assert(d); | |
57 | ||
58 | const QString id = QString::fromUtf8(d->id); | |
59 | const QString name = QString::fromUtf8(d->name); | |
60 | const QString long_name = QString::fromUtf8(d->longname); | |
61 | ||
62 | // Add decoder to the "all decoders" group | |
63 | item_data.clear(); | |
64 | item_data.emplace_back(name); | |
65 | item_data.emplace_back(long_name); | |
66 | item_data.emplace_back(id); | |
67 | shared_ptr<DecoderCollectionItem> decoder_item_all = | |
68 | make_shared<DecoderCollectionItem>(item_data, group_item_all); | |
69 | group_item_all->appendSubItem(decoder_item_all); | |
70 | ||
71 | // Add decoder to all relevant groups using the tag information | |
72 | for (GSList* ti = (GSList*)d->tags; ti; ti = ti->next) { | |
73 | const QString tag = tr((char*)ti->data); | |
74 | const QVariant tag_var = QVariant(tag); | |
75 | ||
76 | // Find tag group and create it if it doesn't exist yet | |
77 | shared_ptr<DecoderCollectionItem> group_item = | |
78 | root_->findSubItem(tag_var, 0); | |
79 | ||
80 | if (!group_item) { | |
81 | item_data.clear(); | |
82 | item_data.emplace_back(tag); | |
83 | // Add dummy entries to make the row count the same as the | |
84 | // sub-item size, or else we can't query sub-item data | |
85 | item_data.emplace_back(); | |
86 | item_data.emplace_back(); | |
87 | group_item = make_shared<DecoderCollectionItem>(item_data, root_); | |
88 | root_->appendSubItem(group_item); | |
89 | } | |
90 | ||
91 | // Create decoder item | |
92 | item_data.clear(); | |
93 | item_data.emplace_back(name); | |
94 | item_data.emplace_back(long_name); | |
95 | item_data.emplace_back(id); | |
96 | shared_ptr<DecoderCollectionItem> decoder_item = | |
97 | make_shared<DecoderCollectionItem>(item_data, group_item); | |
98 | ||
99 | // Add decoder to tag group | |
100 | group_item->appendSubItem(decoder_item); | |
101 | } | |
102 | } | |
103 | } | |
104 | ||
105 | QVariant DecoderCollectionModel::data(const QModelIndex& index, int role) const | |
106 | { | |
107 | if (!index.isValid()) | |
108 | return QVariant(); | |
109 | ||
110 | if (role != Qt::DisplayRole) | |
111 | return QVariant(); | |
112 | ||
113 | DecoderCollectionItem* item = | |
114 | static_cast<DecoderCollectionItem*>(index.internalPointer()); | |
115 | ||
116 | return item->data(index.column()); | |
117 | } | |
118 | ||
119 | Qt::ItemFlags DecoderCollectionModel::flags(const QModelIndex& index) const | |
120 | { | |
121 | if (!index.isValid()) | |
122 | return 0; | |
123 | ||
124 | return Qt::ItemIsEnabled | Qt::ItemIsSelectable; | |
125 | } | |
126 | ||
127 | QVariant DecoderCollectionModel::headerData(int section, Qt::Orientation orientation, | |
128 | int role) const | |
129 | { | |
130 | if (orientation == Qt::Horizontal && role == Qt::DisplayRole) | |
131 | return root_->data(section); | |
132 | ||
133 | return QVariant(); | |
134 | } | |
135 | ||
136 | QModelIndex DecoderCollectionModel::index(int row, int column, | |
137 | const QModelIndex& parent_idx) const | |
138 | { | |
139 | if (!hasIndex(row, column, parent_idx)) | |
140 | return QModelIndex(); | |
141 | ||
142 | DecoderCollectionItem* parent = root_.get(); | |
143 | ||
144 | if (parent_idx.isValid()) | |
145 | parent = static_cast<DecoderCollectionItem*>(parent_idx.internalPointer()); | |
146 | ||
147 | DecoderCollectionItem* subItem = parent->subItem(row).get(); | |
148 | ||
149 | return subItem ? createIndex(row, column, subItem) : QModelIndex(); | |
150 | } | |
151 | ||
152 | QModelIndex DecoderCollectionModel::parent(const QModelIndex& index) const | |
153 | { | |
154 | if (!index.isValid()) | |
155 | return QModelIndex(); | |
156 | ||
157 | DecoderCollectionItem* subItem = | |
158 | static_cast<DecoderCollectionItem*>(index.internalPointer()); | |
159 | ||
160 | shared_ptr<DecoderCollectionItem> parent = subItem->parent(); | |
161 | ||
162 | return (parent == root_) ? QModelIndex() : | |
163 | createIndex(parent->row(), 0, parent.get()); | |
164 | } | |
165 | ||
166 | int DecoderCollectionModel::rowCount(const QModelIndex& parent_idx) const | |
167 | { | |
168 | DecoderCollectionItem* parent = root_.get(); | |
169 | ||
170 | if (parent_idx.column() > 0) | |
171 | return 0; | |
172 | ||
173 | if (parent_idx.isValid()) | |
174 | parent = static_cast<DecoderCollectionItem*>(parent_idx.internalPointer()); | |
175 | ||
176 | return parent->subItemCount(); | |
177 | } | |
178 | ||
179 | int DecoderCollectionModel::columnCount(const QModelIndex& parent_idx) const | |
180 | { | |
181 | if (parent_idx.isValid()) | |
182 | return static_cast<DecoderCollectionItem*>( | |
183 | parent_idx.internalPointer())->columnCount(); | |
184 | else | |
185 | return root_->columnCount(); | |
186 | } | |
187 | ||
188 | ||
189 | } // namespace decoder_selector | |
190 | } // namespace subwindows | |
191 | } // namespace pv |