pv/application.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2014 Martin Ling <martin-sigrok@earth.li>
   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 <iostream>
  21 #include <typeinfo>
  22
  23 #include <QDebug>
  24 #include <QDir>
  25 #include <QLibraryInfo>
  26 #include <QMessageBox>
  27 #include <QWidget>
  28
  29 #include <boost/version.hpp>
  30
  31 #ifdef ENABLE_STACKTRACE
  32 #include <boost/stacktrace.hpp>
  33 #endif
  34
  35 #ifdef ENABLE_DECODE
  36 #include <libsigrokdecode/libsigrokdecode.h>
  37 #endif
  38
  39 #include <pv/exprtk.hpp>
  40
  41 #include "application.hpp"
  42 #include "config.h"
  43 #include "globalsettings.hpp"
  44
  45 using std::cout;
  46 using std::endl;
  47 using std::exception;
  48 using std::shared_ptr;
  49
  50 #ifdef ENABLE_DECODE
  51 static gint sort_pds(gconstpointer a, gconstpointer b)
  52 {
  53         const struct srd_decoder *sda, *sdb;
  54
  55         sda = (const struct srd_decoder *)a;
  56         sdb = (const struct srd_decoder *)b;
  57         return strcmp(sda->id, sdb->id);
  58 }
  59 #endif
  60
  61 Application::Application(int &argc, char* argv[]) :
  62         QApplication(argc, argv)
  63 {
  64         setApplicationVersion(PV_VERSION_STRING);
  65         setApplicationName("PulseView");
  66         setOrganizationName("sigrok");
  67         setOrganizationDomain("sigrok.org");
  68 }
  69
  70 const QStringList Application::get_languages() const
  71 {
  72         const QStringList files = QDir(":/l10n/").entryList(QStringList("*.qm"), QDir::Files);
  73
  74         QStringList result;
  75         result << "en";  // Add default language to the set
  76
  77         // Remove file extensions
  78         for (const QString& file : files)
  79                 result << file.split(".").front();
  80
  81         result.sort(Qt::CaseInsensitive);
  82
  83         return result;
  84 }
  85
  86 const QString Application::get_language_editors(const QString& language) const
  87 {
  88         if (language == "de") return "Sören Apel, Uwe Hermann";
  89         if (language == "es_MX") return "Carlos Diaz, Ulices Avila Hernandez";
  90         if (language == "ja_jp") return "Yukari Shoji";
  91         if (language == "zh_cn") return "ZtyPro";
  92
  93         return QString();
  94 }
  95
  96 void Application::switch_language(const QString& language)
  97 {
  98         removeTranslator(&app_translator_);
  99         removeTranslator(&qt_translator_);
 100         removeTranslator(&qtbase_translator_);
 101
 102         if ((language != "C") && (language != "en")) {
 103                 // Application translations
 104                 QString resource = ":/l10n/" + language +".qm";
 105                 if (app_translator_.load(resource))
 106                         installTranslator(&app_translator_);
 107                 else
 108                         qWarning() << "Translation resource" << resource << "not found";
 109
 110                 // Qt translations
 111 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 112                 QString tr_path(QLibraryInfo::path(QLibraryInfo::TranslationsPath));
 113 #else
 114                 QString tr_path(QLibraryInfo::location(QLibraryInfo::TranslationsPath));
 115 #endif
 116
 117                 if (qt_translator_.load("qt_" + language, tr_path))
 118                         installTranslator(&qt_translator_);
 119                 else
 120                         qWarning() << "QT translations for" << language << "not found at" <<
 121                                 tr_path << ", Qt translations package is probably missing";
 122
 123                 // Qt base translations
 124                 if (qtbase_translator_.load("qtbase_" + language, tr_path))
 125                         installTranslator(&qtbase_translator_);
 126                 else
 127                         qWarning() << "QT base translations for" << language << "not found at" <<
 128                                 tr_path << ", Qt translations package is probably missing";
 129         }
 130
 131         if (!topLevelWidgets().empty()) {
 132                 // Force all windows to update
 133                 for (QWidget *widget : topLevelWidgets())
 134                         widget->update();
 135
 136                 QMessageBox msg(topLevelWidgets().front());
 137                 msg.setText(tr("Some parts of the application may still " \
 138                                 "use the previous language. Re-opening the affected windows or " \
 139                                 "restarting the application will remedy this."));
 140                 msg.setStandardButtons(QMessageBox::Ok);
 141                 msg.setIcon(QMessageBox::Information);
 142                 msg.exec();
 143         }
 144 }
 145
 146 void Application::on_setting_changed(const QString &key, const QVariant &value)
 147 {
 148         if (key == pv::GlobalSettings::Key_General_Language)
 149                 switch_language(value.toString());
 150 }
 151
 152 void Application::collect_version_info(pv::DeviceManager &device_manager)
 153 {
 154         // Library versions and features
 155         version_info_.emplace_back(applicationName(), applicationVersion());
 156         version_info_.emplace_back("Qt", qVersion());
 157         version_info_.emplace_back("glibmm", PV_GLIBMM_VERSION);
 158         version_info_.emplace_back("Boost", BOOST_LIB_VERSION);
 159         version_info_.emplace_back("exprtk", QString::fromUtf8(exprtk::information::date));
 160
 161         version_info_.emplace_back("libsigrok", QString("%1/%2 (rt: %3/%4)")
 162                 .arg(SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING,
 163                 sr_package_version_string_get(), sr_lib_version_string_get()));
 164
 165         GSList *l_orig = sr_buildinfo_libs_get();
 166         for (GSList *l = l_orig; l; l = l->next) {
 167                 GSList *m = (GSList *)l->data;
 168                 const char *lib = (const char *)m->data;
 169                 const char *version = (const char *)m->next->data;
 170                 version_info_.emplace_back(QString(" - %1").arg(QString(lib)), QString(version));
 171                 g_slist_free_full(m, g_free);
 172         }
 173         g_slist_free(l_orig);
 174
 175         char *host = sr_buildinfo_host_get();
 176         version_info_.emplace_back(" - Host", QString(host));
 177         g_free(host);
 178
 179         char *scpi_backends = sr_buildinfo_scpi_backends_get();
 180         version_info_.emplace_back(" - SCPI backends", QString(scpi_backends));
 181         g_free(scpi_backends);
 182
 183 #ifdef ENABLE_DECODE
 184         struct srd_decoder *dec;
 185
 186         version_info_.emplace_back("libsigrokdecode", QString("%1/%2 (rt: %3/%4)")
 187                 .arg(SRD_PACKAGE_VERSION_STRING, SRD_LIB_VERSION_STRING,
 188                 srd_package_version_string_get(), srd_lib_version_string_get()));
 189
 190         l_orig = srd_buildinfo_libs_get();
 191         for (GSList *l = l_orig; l; l = l->next) {
 192                 GSList *m = (GSList *)l->data;
 193                 const char *lib = (const char *)m->data;
 194                 const char *version = (const char *)m->next->data;
 195                 version_info_.emplace_back(QString(" - %1").arg(QString(lib)), QString(version));
 196                 g_slist_free_full(m, g_free);
 197         }
 198         g_slist_free(l_orig);
 199
 200         host = srd_buildinfo_host_get();
 201         version_info_.emplace_back(" - Host", QString(host));
 202         g_free(host);
 203 #endif
 204
 205         // Firmware paths
 206         l_orig = sr_resourcepaths_get(SR_RESOURCE_FIRMWARE);
 207         for (GSList *l = l_orig; l; l = l->next)
 208                 fw_path_list_.emplace_back((char*)l->data);
 209         g_slist_free_full(l_orig, g_free);
 210
 211         // PD paths
 212 #ifdef ENABLE_DECODE
 213         l_orig = srd_searchpaths_get();
 214         for (GSList *l = l_orig; l; l = l->next)
 215                 pd_path_list_.emplace_back((char*)l->data);
 216         g_slist_free_full(l_orig, g_free);
 217 #endif
 218
 219         // Device drivers
 220         for (auto& entry : device_manager.context()->drivers())
 221                 if (device_manager.driver_supported(entry.second))
 222                         driver_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 223                                 QString::fromUtf8(entry.second->long_name().c_str()));
 224
 225         // Input formats
 226         for (auto& entry : device_manager.context()->input_formats())
 227                 input_format_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 228                         QString::fromUtf8(entry.second->description().c_str()));
 229
 230         // Output formats
 231         for (auto& entry : device_manager.context()->output_formats())
 232                 output_format_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 233                         QString::fromUtf8(entry.second->description().c_str()));
 234
 235         // Protocol decoders
 236 #ifdef ENABLE_DECODE
 237         GSList *sl = g_slist_copy((GSList *)srd_decoder_list());
 238         sl = g_slist_sort(sl, sort_pds);
 239         for (const GSList *l = sl; l; l = l->next) {
 240                 dec = (struct srd_decoder *)l->data;
 241                 pd_list_.emplace_back(QString::fromUtf8(dec->id),
 242                         QString::fromUtf8(dec->longname));
 243         }
 244         g_slist_free(sl);
 245 #endif
 246 }
 247
 248 void Application::print_version_info()
 249 {
 250         cout << PV_TITLE << " " << PV_VERSION_STRING << endl;
 251
 252         cout << endl << "Libraries and features:" << endl;
 253         for (pair<QString, QString>& entry : version_info_)
 254                 cout << "  " << entry.first.toStdString() << " " << entry.second.toStdString() << endl;
 255
 256         cout << endl << "Firmware search paths:" << endl;
 257         for (QString& entry : fw_path_list_)
 258                 cout << "  " << entry.toStdString() << endl;
 259
 260         cout << endl << "Protocol decoder search paths:" << endl;
 261         for (QString& entry : pd_path_list_)
 262                 cout << "  " << entry.toStdString() << endl;
 263
 264         cout << endl << "Supported hardware drivers:" << endl;
 265         for (pair<QString, QString>& entry : driver_list_)
 266                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 267                 entry.second.toStdString() << endl;
 268
 269         cout << endl << "Supported input formats:" << endl;
 270         for (pair<QString, QString>& entry : input_format_list_)
 271                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 272                 entry.second.toStdString() << endl;
 273
 274         cout << endl << "Supported output formats:" << endl;
 275         for (pair<QString, QString>& entry : output_format_list_)
 276                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 277                 entry.second.toStdString() << endl;
 278
 279 #ifdef ENABLE_DECODE
 280         cout << endl << "Supported protocol decoders:" << endl;
 281         for (pair<QString, QString>& entry : pd_list_)
 282                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 283                 entry.second.toStdString() << endl;
 284 #endif
 285 }
 286
 287 vector< pair<QString, QString> > Application::get_version_info() const
 288 {
 289         return version_info_;
 290 }
 291
 292 vector<QString> Application::get_fw_path_list() const
 293 {
 294         return fw_path_list_;
 295 }
 296
 297 vector<QString> Application::get_pd_path_list() const
 298 {
 299         return pd_path_list_;
 300 }
 301
 302 vector< pair<QString, QString> > Application::get_driver_list() const
 303 {
 304         return driver_list_;
 305 }
 306
 307 vector< pair<QString, QString> > Application::get_input_format_list() const
 308 {
 309         return input_format_list_;
 310 }
 311
 312 vector< pair<QString, QString> > Application::get_output_format_list() const
 313 {
 314         return output_format_list_;
 315 }
 316
 317 vector< pair<QString, QString> > Application::get_pd_list() const
 318 {
 319         return pd_list_;
 320 }
 321
 322 bool Application::notify(QObject *receiver, QEvent *event)
 323 {
 324         try {
 325                 return QApplication::notify(receiver, event);
 326         } catch (exception& e) {
 327                 qDebug().nospace() << "Caught exception of type " << \
 328                         typeid(e).name() << " (" << e.what() << ")";
 329 #ifdef ENABLE_STACKTRACE
 330                 throw e;
 331 #else
 332                 exit(1);
 333 #endif
 334                 return false;
 335         }
 336 }