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