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