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 const QStringList Application::get_languages() const
  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 (const QString& file : files)
  77                 result << file.split(".").front();
  78
  79         result.sort(Qt::CaseInsensitive);
  80
  81         return result;
  82 }
  83
  84 const QString Application::get_language_editors(const QString& language) const
  85 {
  86         if (language == "de") return "Sören Apel, Uwe Hermann";
  87         if (language == "es_mx") return "Carlos Diaz";
  88
  89         return QString();
  90 }
  91
  92 void Application::switch_language(const QString& language)
  93 {
  94         removeTranslator(&app_translator_);
  95         removeTranslator(&qt_translator_);
  96         removeTranslator(&qtbase_translator_);
  97
  98         if ((language != "C") && (language != "en")) {
  99                 // Application translations
 100                 QString resource = ":/l10n/" + language +".qm";
 101                 if (app_translator_.load(resource))
 102                         installTranslator(&app_translator_);
 103                 else
 104                         qWarning() << "Translation resource" << resource << "not found";
 105
 106                 // Qt translations
 107                 QString tr_path(QLibraryInfo::location(QLibraryInfo::TranslationsPath));
 108
 109                 if (qt_translator_.load("qt_" + language, tr_path))
 110                         installTranslator(&qt_translator_);
 111                 else
 112                         qWarning() << "QT translations for" << language << "not found at" <<
 113                                 tr_path << ", Qt translations package is probably missing";
 114
 115                 // Qt base translations
 116                 if (qtbase_translator_.load("qtbase_" + language, tr_path))
 117                         installTranslator(&qtbase_translator_);
 118                 else
 119                         qWarning() << "QT base translations for" << language << "not found at" <<
 120                                 tr_path << ", Qt translations package is probably missing";
 121         }
 122
 123         if (!topLevelWidgets().empty()) {
 124                 // Force all windows to update
 125                 for (QWidget *widget : topLevelWidgets())
 126                         widget->update();
 127
 128                 QMessageBox msg(topLevelWidgets().front());
 129                 msg.setText(tr("Some parts of the application may still " \
 130                                 "use the previous language. Re-opening the affected windows or " \
 131                                 "restarting the application will remedy this."));
 132                 msg.setStandardButtons(QMessageBox::Ok);
 133                 msg.setIcon(QMessageBox::Information);
 134                 msg.exec();
 135         }
 136 }
 137
 138 void Application::on_setting_changed(const QString &key, const QVariant &value)
 139 {
 140         if (key == pv::GlobalSettings::Key_General_Language)
 141                 switch_language(value.toString());
 142 }
 143
 144 void Application::collect_version_info(shared_ptr<sigrok::Context> context)
 145 {
 146         // Library versions and features
 147         version_info_.emplace_back(applicationName(), applicationVersion());
 148         version_info_.emplace_back("Qt", qVersion());
 149         version_info_.emplace_back("glibmm", PV_GLIBMM_VERSION);
 150         version_info_.emplace_back("Boost", BOOST_LIB_VERSION);
 151
 152         version_info_.emplace_back("libsigrok", QString("%1/%2 (rt: %3/%4)")
 153                 .arg(SR_PACKAGE_VERSION_STRING, SR_LIB_VERSION_STRING,
 154                 sr_package_version_string_get(), sr_lib_version_string_get()));
 155
 156         GSList *l_orig = sr_buildinfo_libs_get();
 157         for (GSList *l = l_orig; l; l = l->next) {
 158                 GSList *m = (GSList *)l->data;
 159                 const char *lib = (const char *)m->data;
 160                 const char *version = (const char *)m->next->data;
 161                 version_info_.emplace_back(QString(" - %1").arg(QString(lib)), QString(version));
 162                 g_slist_free_full(m, g_free);
 163         }
 164         g_slist_free(l_orig);
 165
 166         char *host = sr_buildinfo_host_get();
 167         version_info_.emplace_back(" - Host", QString(host));
 168         g_free(host);
 169
 170         char *scpi_backends = sr_buildinfo_scpi_backends_get();
 171         version_info_.emplace_back(" - SCPI backends", QString(scpi_backends));
 172         g_free(scpi_backends);
 173
 174 #ifdef ENABLE_DECODE
 175         struct srd_decoder *dec;
 176
 177         version_info_.emplace_back("libsigrokdecode", QString("%1/%2 (rt: %3/%4)")
 178                 .arg(SRD_PACKAGE_VERSION_STRING, SRD_LIB_VERSION_STRING,
 179                 srd_package_version_string_get(), srd_lib_version_string_get()));
 180
 181         l_orig = srd_buildinfo_libs_get();
 182         for (GSList *l = l_orig; l; l = l->next) {
 183                 GSList *m = (GSList *)l->data;
 184                 const char *lib = (const char *)m->data;
 185                 const char *version = (const char *)m->next->data;
 186                 version_info_.emplace_back(QString(" - %1").arg(QString(lib)), QString(version));
 187                 g_slist_free_full(m, g_free);
 188         }
 189         g_slist_free(l_orig);
 190
 191         host = srd_buildinfo_host_get();
 192         version_info_.emplace_back(" - Host", QString(host));
 193         g_free(host);
 194 #endif
 195
 196         // Firmware paths
 197         l_orig = sr_resourcepaths_get(SR_RESOURCE_FIRMWARE);
 198         for (GSList *l = l_orig; l; l = l->next)
 199                 fw_path_list_.emplace_back((char*)l->data);
 200         g_slist_free_full(l_orig, g_free);
 201
 202         // PD paths
 203 #ifdef ENABLE_DECODE
 204         l_orig = srd_searchpaths_get();
 205         for (GSList *l = l_orig; l; l = l->next)
 206                 pd_path_list_.emplace_back((char*)l->data);
 207         g_slist_free_full(l_orig, g_free);
 208 #endif
 209
 210         // Device drivers
 211         for (auto& entry : context->drivers())
 212                 driver_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 213                         QString::fromUtf8(entry.second->long_name().c_str()));
 214
 215         // Input formats
 216         for (auto& entry : context->input_formats())
 217                 input_format_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 218                         QString::fromUtf8(entry.second->description().c_str()));
 219
 220         // Output formats
 221         for (auto& entry : context->output_formats())
 222                 output_format_list_.emplace_back(QString::fromUtf8(entry.first.c_str()),
 223                         QString::fromUtf8(entry.second->description().c_str()));
 224
 225         // Protocol decoders
 226 #ifdef ENABLE_DECODE
 227         GSList *sl = g_slist_copy((GSList *)srd_decoder_list());
 228         sl = g_slist_sort(sl, sort_pds);
 229         for (const GSList *l = sl; l; l = l->next) {
 230                 dec = (struct srd_decoder *)l->data;
 231                 pd_list_.emplace_back(QString::fromUtf8(dec->id),
 232                         QString::fromUtf8(dec->longname));
 233         }
 234         g_slist_free(sl);
 235 #endif
 236 }
 237
 238 void Application::print_version_info()
 239 {
 240         cout << PV_TITLE << " " << PV_VERSION_STRING << endl;
 241
 242         cout << endl << "Libraries and features:" << endl;
 243         for (pair<QString, QString>& entry : version_info_)
 244                 cout << "  " << entry.first.toStdString() << " " << entry.second.toStdString() << endl;
 245
 246         cout << endl << "Firmware search paths:" << endl;
 247         for (QString& entry : fw_path_list_)
 248                 cout << "  " << entry.toStdString() << endl;
 249
 250         cout << endl << "Protocol decoder search paths:" << endl;
 251         for (QString& entry : pd_path_list_)
 252                 cout << "  " << entry.toStdString() << endl;
 253
 254         cout << endl << "Supported hardware drivers:" << endl;
 255         for (pair<QString, QString>& entry : driver_list_)
 256                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 257                 entry.second.toStdString() << endl;
 258
 259         cout << endl << "Supported input formats:" << endl;
 260         for (pair<QString, QString>& entry : input_format_list_)
 261                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 262                 entry.second.toStdString() << endl;
 263
 264         cout << endl << "Supported output formats:" << endl;
 265         for (pair<QString, QString>& entry : output_format_list_)
 266                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 267                 entry.second.toStdString() << endl;
 268
 269 #ifdef ENABLE_DECODE
 270         cout << endl << "Supported protocol decoders:" << endl;
 271         for (pair<QString, QString>& entry : pd_list_)
 272                 cout << "  " << entry.first.leftJustified(21, ' ').toStdString() <<
 273                 entry.second.toStdString() << endl;
 274 #endif
 275 }
 276
 277 vector< pair<QString, QString> > Application::get_version_info() const
 278 {
 279         return version_info_;
 280 }
 281
 282 vector<QString> Application::get_fw_path_list() const
 283 {
 284         return fw_path_list_;
 285 }
 286
 287 vector<QString> Application::get_pd_path_list() const
 288 {
 289         return pd_path_list_;
 290 }
 291
 292 vector< pair<QString, QString> > Application::get_driver_list() const
 293 {
 294         return driver_list_;
 295 }
 296
 297 vector< pair<QString, QString> > Application::get_input_format_list() const
 298 {
 299         return input_format_list_;
 300 }
 301
 302 vector< pair<QString, QString> > Application::get_output_format_list() const
 303 {
 304         return output_format_list_;
 305 }
 306
 307 vector< pair<QString, QString> > Application::get_pd_list() const
 308 {
 309         return pd_list_;
 310 }
 311
 312 bool Application::notify(QObject *receiver, QEvent *event)
 313 {
 314         try {
 315                 return QApplication::notify(receiver, event);
 316         } catch (exception& e) {
 317                 qDebug().nospace() << "Caught exception of type " << \
 318                         typeid(e).name() << " (" << e.what() << ")";
 319 #ifdef ENABLE_STACKTRACE
 320                 throw e;
 321 #else
 322                 exit(1);
 323 #endif
 324                 return false;
 325         }
 326 }