Mercurial > minori
annotate src/gui/pages/torrents.cc @ 230:2f5a9247e501
torrents: implement download button
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| author | Paper <paper@paper.us.eu.org> |
|---|---|
| date | Sat, 13 Jan 2024 09:42:02 -0500 |
| parents | 53211cb1e7f5 |
| children | 4d461ef7d424 |
| rev | line source |
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1 #include "gui/pages/torrents.h" |
| 114 | 2 #include "core/strings.h" |
| 3 #include "core/http.h" | |
| 4 #include "core/session.h" | |
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5 #include "core/filesystem.h" |
| 114 | 6 #include "gui/widgets/text.h" |
| 7 #include "track/media.h" | |
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8 |
| 114 | 9 #include <QVBoxLayout> |
| 10 #include <QToolBar> | |
| 11 #include <QTreeView> | |
| 12 #include <QMainWindow> | |
| 13 #include <QByteArray> | |
| 14 #include <QDataStream> | |
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15 #include <QThread> |
| 114 | 16 #include <QDebug> |
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17 |
| 114 | 18 #include <iostream> |
| 19 #include <sstream> | |
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20 #include <fstream> |
| 114 | 21 #include <algorithm> |
| 22 | |
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23 #include "pugixml.hpp" |
| 154 | 24 #include "anitomy/anitomy.h" |
| 25 | |
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26 /* This file is very, very similar to the anime list page. |
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27 |
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28 It differs from Taiga in that it uses tabs instead of |
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29 those "groups", but those are custom painted and a pain in the ass to |
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30 maintain over multiple platforms. */ |
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31 |
| 114 | 32 TorrentsPageListSortFilter::TorrentsPageListSortFilter(QObject* parent) : QSortFilterProxyModel(parent) { |
| 33 } | |
| 34 | |
| 35 bool TorrentsPageListSortFilter::lessThan(const QModelIndex& l, const QModelIndex& r) const { | |
| 36 QVariant left = sourceModel()->data(l, sortRole()); | |
| 37 QVariant right = sourceModel()->data(r, sortRole()); | |
| 38 | |
| 39 switch (left.userType()) { | |
| 40 case QMetaType::Int: | |
| 41 case QMetaType::UInt: | |
| 42 case QMetaType::LongLong: | |
| 43 case QMetaType::ULongLong: return left.toInt() < right.toInt(); | |
| 44 case QMetaType::QDate: return left.toDate() < right.toDate(); | |
| 45 case QMetaType::QString: | |
| 46 default: return QString::compare(left.toString(), right.toString(), Qt::CaseInsensitive) < 0; | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 /* -------------------------------------------- */ | |
| 51 | |
| 52 TorrentsPageListModel::TorrentsPageListModel(QObject* parent) : QAbstractListModel(parent) { | |
| 53 } | |
| 54 | |
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55 void TorrentsPageListModel::DownloadTorrents(QItemSelection selection) { |
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56 const auto indexes = selection.indexes(); |
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57 |
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58 for (const auto& index : indexes) { |
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59 /* a torrent file IS literally text... */ |
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60 const std::string link = list.at(index.row()).GetLink(); |
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61 const std::string filename = list.at(index.row()).GetFilename() + ".torrent"; |
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62 |
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63 const std::filesystem::path torrents_dir = Filesystem::GetTorrentsPath(); |
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64 std::filesystem::create_directories(torrents_dir); |
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65 |
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66 std::ofstream file(torrents_dir / filename, std::ofstream::out | std::ofstream::trunc); |
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67 if (!file) |
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68 return; // wat |
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69 |
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70 const QByteArray data = HTTP::Get(link); |
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71 file.write(data.data(), data.size()); |
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72 |
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73 file.close(); |
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74 } |
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75 } |
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76 |
| 114 | 77 QByteArray TorrentsPageListModel::DownloadTorrentList() { |
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78 return HTTP::Get(session.config.torrents.feed_link); |
| 114 | 79 } |
| 80 | |
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81 void TorrentsPageListModel::ParseFeedDescription(const std::string& description, Torrent& torrent) { |
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82 /* Parse description... */ |
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83 enum class Keys { SIZE, AUTHORIZED, SUBMITTER, COMMENT }; |
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84 |
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85 const std::unordered_map<std::string, Keys> KeyMap = { |
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86 {"Size", Keys::SIZE}, |
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87 {"Authorized", Keys::AUTHORIZED}, |
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88 {"Submitter", Keys::SUBMITTER}, |
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89 {"Comment", Keys::COMMENT} |
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90 }; |
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91 |
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92 /* Parse size from description */ |
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93 std::istringstream descstream(description); |
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94 |
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95 for (std::string line; std::getline(descstream, line);) { |
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96 const size_t pos = line.find_first_of(':', 0); |
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97 if (pos == std::string::npos) |
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98 continue; |
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99 |
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100 const std::string key = line.substr(0, pos); |
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101 const std::string value = line.substr(line.find_first_not_of(": ", pos)); |
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102 |
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103 switch (KeyMap.at(key)) { |
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104 case Keys::COMMENT: |
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105 torrent.SetDescription(value); |
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106 break; |
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107 case Keys::SIZE: |
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108 torrent.SetSize(Strings::HumanReadableSizeToBytes(value)); |
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109 break; |
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110 case Keys::AUTHORIZED: |
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111 if (torrent.GetGroup().empty() && value != "N/A") |
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112 torrent.SetGroup(value); |
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113 break; |
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114 default: |
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115 break; |
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116 } |
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117 } |
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118 } |
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119 |
| 114 | 120 void TorrentsPageListModel::ParseTorrentList(const QByteArray& ba) { |
| 121 std::istringstream stdstream(Strings::ToUtf8String(ba)); | |
| 122 | |
| 123 pugi::xml_document doc; | |
| 124 if (!doc.load(stdstream)) | |
| 125 return; // peace out | |
| 126 | |
| 127 /* my extra special dumb hack. */ | |
| 128 if (!rowCount(index(0))) { | |
| 129 beginInsertRows(QModelIndex(), 0, 0); | |
| 130 endInsertRows(); | |
| 131 } | |
| 132 | |
| 133 beginResetModel(); | |
| 134 | |
| 135 list.clear(); | |
| 136 /* this is just an rss parser; it should be in a separate class... */ | |
| 137 for (pugi::xml_node item : doc.child("rss").child("channel").children("item")) { | |
| 138 TorrentModelItem torrent; | |
| 139 torrent.SetFilename(item.child_value("title")); /* "title" == filename */ | |
| 140 { | |
| 154 | 141 anitomy::Anitomy anitomy; |
| 142 anitomy.Parse(Strings::ToWstring(torrent.GetFilename())); | |
| 143 | |
| 144 const auto& elements = anitomy.elements(); | |
| 145 | |
| 146 /* todo: patch Anitomy so that it doesn't use wide strings */ | |
| 147 torrent.SetTitle(Strings::ToUtf8String(elements.get(anitomy::kElementAnimeTitle))); | |
| 148 torrent.SetEpisode(Strings::RemoveLeadingChars(Strings::ToUtf8String(elements.get(anitomy::kElementEpisodeNumber)), '0')); | |
| 149 torrent.SetGroup(Strings::ToUtf8String(elements.get(anitomy::kElementReleaseGroup))); | |
| 150 torrent.SetResolution(Strings::ToUtf8String(elements.get(anitomy::kElementVideoResolution))); | |
| 114 | 151 } |
| 152 | |
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153 ParseFeedDescription(Strings::TextifySynopsis(item.child_value("description")), torrent); |
| 114 | 154 |
| 155 torrent.SetLink(item.child_value("link")); | |
| 156 torrent.SetGuid(item.child_value("guid")); | |
| 157 { | |
| 158 const QString date_str = Strings::ToQString(item.child_value("pubDate")); | |
| 159 torrent.SetDate(QDateTime::fromString(date_str, "ddd, dd MMM yyyy HH:mm:ss t")); | |
| 160 } | |
| 161 list.push_back(torrent); | |
| 162 } | |
| 163 | |
| 164 endResetModel(); | |
| 165 } | |
| 166 | |
| 167 void TorrentsPageListModel::RefreshTorrentList() { | |
| 168 ParseTorrentList(DownloadTorrentList()); | |
| 169 } | |
| 170 | |
| 171 int TorrentsPageListModel::rowCount(const QModelIndex& parent) const { | |
| 172 return list.size(); | |
| 173 (void)(parent); | |
| 174 } | |
| 175 | |
| 176 int TorrentsPageListModel::columnCount(const QModelIndex& parent) const { | |
| 177 return NB_COLUMNS; | |
| 178 (void)(parent); | |
| 179 } | |
| 180 | |
| 181 QVariant TorrentsPageListModel::headerData(const int section, const Qt::Orientation orientation, const int role) const { | |
| 182 switch (role) { | |
| 183 case Qt::DisplayRole: { | |
| 184 switch (section) { | |
| 185 case TL_TITLE: return tr("Anime title"); | |
| 186 case TL_EPISODE: return tr("Episode"); | |
| 187 case TL_GROUP: return tr("Group"); | |
| 188 case TL_SIZE: return tr("Size"); | |
| 189 case TL_RESOLUTION: return tr("Resolution"); /* this is named "Video" in Taiga */ | |
| 190 case TL_SEEDERS: return tr("Seeding"); /* named "S" in Taiga */ | |
| 191 case TL_LEECHERS: return tr("Leeching"); /* named "L" in Taiga */ | |
| 192 case TL_DOWNLOADERS: return tr("Downloading"); /* named "D" in Taiga */ | |
| 193 case TL_DESCRIPTION: return tr("Description"); | |
| 194 case TL_FILENAME: return tr("Filename"); | |
| 195 case TL_RELEASEDATE: return tr("Release date"); | |
| 196 default: return {}; | |
| 197 } | |
| 198 break; | |
| 199 } | |
| 200 case Qt::TextAlignmentRole: { | |
| 201 switch (section) { | |
| 202 case TL_FILENAME: | |
| 203 case TL_GROUP: | |
| 204 case TL_DESCRIPTION: | |
| 205 case TL_RESOLUTION: | |
| 206 case TL_TITLE: return QVariant(Qt::AlignLeft | Qt::AlignVCenter); | |
| 207 case TL_SEEDERS: | |
| 208 case TL_LEECHERS: | |
| 209 case TL_DOWNLOADERS: | |
| 210 case TL_SIZE: | |
| 211 case TL_EPISODE: | |
| 212 case TL_RELEASEDATE: return QVariant(Qt::AlignRight | Qt::AlignVCenter); | |
| 213 default: return {}; | |
| 214 } | |
| 215 break; | |
| 216 } | |
| 217 } | |
| 218 return QAbstractListModel::headerData(section, orientation, role); | |
| 219 } | |
| 220 | |
| 221 bool TorrentsPageListModel::setData(const QModelIndex& index, const QVariant& value, int role) { | |
| 222 TorrentModelItem& item = list.at(index.row()); | |
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223 |
| 114 | 224 if (index.column() == 0) { |
| 225 switch (role) { | |
| 226 case Qt::EditRole: | |
| 227 return false; | |
| 228 case Qt::CheckStateRole: | |
| 229 item.SetChecked(value.toBool()); | |
| 230 emit dataChanged(index, index); | |
| 231 return true; | |
| 232 } | |
| 233 } | |
| 234 | |
| 235 return QAbstractItemModel::setData(index, value, role); | |
| 236 } | |
| 237 | |
| 238 QVariant TorrentsPageListModel::data(const QModelIndex& index, int role) const { | |
| 239 if (!index.isValid()) | |
| 240 return QVariant(); | |
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241 |
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242 const TorrentModelItem& item = list.at(index.row()); |
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243 |
| 114 | 244 switch (role) { |
| 245 case Qt::DisplayRole: | |
| 246 switch (index.column()) { | |
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247 case TL_TITLE: return Strings::ToQString(item.GetTitle()); |
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248 case TL_EPISODE: return Strings::ToQString(item.GetEpisode()); |
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249 case TL_GROUP: return Strings::ToQString(item.GetGroup()); |
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250 case TL_SIZE: return session.config.locale.GetLocale().formattedDataSize(item.GetSize()); |
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251 case TL_RESOLUTION: return Strings::ToQString(item.GetResolution()); |
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252 case TL_SEEDERS: return item.GetSeeders(); |
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253 case TL_LEECHERS: return item.GetLeechers(); |
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254 case TL_DOWNLOADERS: return item.GetDownloaders(); |
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255 case TL_DESCRIPTION: return Strings::ToQString(item.GetDescription()); |
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256 case TL_FILENAME: return Strings::ToQString(item.GetFilename()); |
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257 case TL_RELEASEDATE: return item.GetDate(); |
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258 default: return {}; |
| 114 | 259 } |
| 260 break; | |
| 261 case Qt::UserRole: | |
| 262 switch (index.column()) { | |
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263 case TL_EPISODE: return Strings::ToInt(item.GetEpisode(), -1); |
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264 /* We have to use this to work around some stupid |
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265 * "conversion ambiguous" error on Linux |
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266 */ |
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267 case TL_SIZE: return QVariant::fromValue(item.GetSize()); |
| 114 | 268 default: return data(index, Qt::DisplayRole); |
| 269 } | |
| 270 break; | |
| 271 case Qt::SizeHintRole: { | |
| 272 switch (index.column()) { | |
| 273 default: { | |
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274 /* max horizontal size of 100, height size = size of current font */ |
| 114 | 275 const QString d = data(index, Qt::DisplayRole).toString(); |
| 276 const QFontMetrics metric = QFontMetrics(QFont()); | |
| 277 | |
| 278 return QSize(std::max(metric.horizontalAdvance(d), 100), metric.height()); | |
| 279 } | |
| 280 } | |
| 281 break; | |
| 282 } | |
| 283 case Qt::TextAlignmentRole: | |
| 284 switch (index.column()) { | |
| 285 case TL_FILENAME: | |
| 286 case TL_GROUP: | |
| 287 case TL_DESCRIPTION: | |
| 288 case TL_RESOLUTION: | |
| 289 case TL_TITLE: return QVariant(Qt::AlignLeft | Qt::AlignVCenter); | |
| 290 case TL_SEEDERS: | |
| 291 case TL_LEECHERS: | |
| 292 case TL_DOWNLOADERS: | |
| 293 case TL_SIZE: | |
| 294 case TL_EPISODE: | |
| 295 case TL_RELEASEDATE: return QVariant(Qt::AlignRight | Qt::AlignVCenter); | |
| 296 default: return {}; | |
| 297 } | |
| 298 break; | |
| 299 } | |
| 300 return QVariant(); | |
| 301 } | |
| 302 | |
| 303 Qt::ItemFlags TorrentsPageListModel::flags(const QModelIndex& index) const { | |
| 304 if (!index.isValid()) | |
| 305 return Qt::NoItemFlags; | |
| 306 | |
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307 return Qt::ItemIsEnabled | Qt::ItemIsSelectable; |
| 114 | 308 } |
| 309 | |
| 310 TorrentsPage::TorrentsPage(QWidget* parent) : QFrame(parent) { | |
| 311 setFrameShape(QFrame::Box); | |
| 312 setFrameShadow(QFrame::Sunken); | |
| 313 | |
| 314 QVBoxLayout* layout = new QVBoxLayout(this); | |
| 315 layout->setContentsMargins(0, 0, 0, 0); | |
| 316 layout->setSpacing(0); | |
| 317 | |
| 318 { | |
| 319 /* Toolbar */ | |
| 320 QToolBar* toolbar = new QToolBar(this); | |
| 321 toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
| 322 toolbar->setIconSize(QSize(16, 16)); | |
| 323 toolbar->setMovable(false); | |
| 324 | |
| 325 { | |
| 326 /* this needs to be stored somewhere to replicate Taiga's | |
| 327 "timer" feature */ | |
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328 toolbar->addAction(QIcon(":/icons/16x16/arrow-circle-315.png"), tr("&Check new torrents"), [this] { |
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329 Refresh(); |
| 114 | 330 }); |
| 331 } | |
| 332 | |
| 333 toolbar->addSeparator(); | |
| 334 | |
| 335 { | |
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336 toolbar->addAction(QIcon(":/icons/16x16/navigation-270-button.png"), tr("Download &marked torrents"), [this] { |
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337 DownloadSelection(); |
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338 }); |
| 114 | 339 } |
| 340 | |
| 341 { | |
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342 toolbar->addAction(QIcon(":/icons/16x16/cross-button.png"), tr("&Discard all")); |
| 114 | 343 } |
| 344 | |
| 345 toolbar->addSeparator(); | |
| 346 | |
| 347 { | |
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348 toolbar->addAction(QIcon(":/icons/16x16/gear.png"), tr("&Settings")); |
| 114 | 349 } |
| 350 | |
| 351 layout->addWidget(toolbar); | |
| 352 } | |
| 353 | |
| 354 { | |
| 355 QFrame* line = new QFrame(this); | |
| 356 line->setFrameShape(QFrame::HLine); | |
| 357 line->setFrameShadow(QFrame::Sunken); | |
| 358 line->setLineWidth(1); | |
| 359 layout->addWidget(line); | |
| 360 } | |
| 361 | |
| 362 { | |
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363 treeview = new QTreeView(this); |
| 114 | 364 treeview->setUniformRowHeights(true); |
| 365 treeview->setAllColumnsShowFocus(false); | |
| 366 treeview->setAlternatingRowColors(true); | |
| 367 treeview->setSortingEnabled(true); | |
| 368 treeview->setSelectionMode(QAbstractItemView::ExtendedSelection); | |
| 369 treeview->setItemsExpandable(false); | |
| 370 treeview->setRootIsDecorated(false); | |
| 371 treeview->setContextMenuPolicy(Qt::CustomContextMenu); | |
| 372 treeview->setFrameShape(QFrame::NoFrame); | |
| 373 | |
| 374 { | |
| 375 sort_model = new TorrentsPageListSortFilter(treeview); | |
| 376 model = new TorrentsPageListModel(treeview); | |
| 377 sort_model->setSourceModel(model); | |
| 378 sort_model->setSortRole(Qt::UserRole); | |
| 379 sort_model->setSortCaseSensitivity(Qt::CaseInsensitive); | |
| 380 treeview->setModel(sort_model); | |
| 381 } | |
| 382 | |
| 383 layout->addWidget(treeview); | |
| 384 } | |
| 385 } | |
| 386 | |
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387 void TorrentsPage::DownloadSelection() { |
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388 /* we only want one of these at a time, because if we don't |
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389 * we have the possibility of going into Multithreading Hell |
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390 */ |
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391 static QThread* thread = nullptr; |
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392 |
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393 if (!model || thread) |
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394 return; |
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395 |
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396 const QItemSelection selection = sort_model->mapSelectionToSource(treeview->selectionModel()->selection()); |
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397 |
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398 thread = QThread::create([this, selection] { |
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399 model->DownloadTorrents(selection); |
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400 }); |
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401 |
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402 connect(thread, &QThread::finished, thread, &QThread::deleteLater); |
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403 connect(thread, &QThread::finished, this, [&] { thread = nullptr; }); |
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404 |
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405 thread->start(); |
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406 } |
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407 |
| 114 | 408 void TorrentsPage::Refresh() { |
| 409 if (!model) | |
| 410 return; | |
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411 |
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412 HTTP::GetThread* thread = new HTTP::GetThread(session.config.torrents.feed_link); |
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413 |
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414 connect(thread, &HTTP::GetThread::ReceivedData, this, [&](const QByteArray& ba) { |
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415 /* This is to make sure we aren't in a different thread |
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416 * messing around with GUI stuff |
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417 */ |
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418 treeview->setUpdatesEnabled(false); |
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419 model->ParseTorrentList(ba); |
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420 treeview->setUpdatesEnabled(true); |
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421 }); |
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422 connect(thread, &QThread::finished, thread, &QThread::deleteLater); |
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423 |
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424 thread->start(); |
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425 } |
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426 |
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427 #include "gui/pages/moc_torrents.cpp" |