pv/toolbars/mainbar.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012-2015 Joel Holdsworth <joel@airwebreathe.org.uk>
   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 <extdef.h>
  21
  22 #include <algorithm>
  23 #include <cassert>
  24
  25 #include <QAction>
  26 #include <QDebug>
  27 #include <QFileDialog>
  28 #include <QHelpEvent>
  29 #include <QMenu>
  30 #include <QMessageBox>
  31 #include <QSettings>
  32 #include <QToolTip>
  33
  34 #include "mainbar.hpp"
  35
  36 #include <boost/algorithm/string/join.hpp>
  37
  38 #include <pv/devicemanager.hpp>
  39 #include <pv/devices/hardwaredevice.hpp>
  40 #include <pv/devices/inputfile.hpp>
  41 #include <pv/devices/sessionfile.hpp>
  42 #include <pv/dialogs/connect.hpp>
  43 #include <pv/dialogs/inputoutputoptions.hpp>
  44 #include <pv/dialogs/storeprogress.hpp>
  45 #include <pv/mainwindow.hpp>
  46 #include <pv/popups/deviceoptions.hpp>
  47 #include <pv/popups/channels.hpp>
  48 #include <pv/util.hpp>
  49 #include <pv/view/view.hpp>
  50 #include <pv/widgets/exportmenu.hpp>
  51 #include <pv/widgets/importmenu.hpp>
  52 #ifdef ENABLE_DECODE
  53 #include <pv/widgets/decodermenu.hpp>
  54 #endif
  55
  56 #include <libsigrokcxx/libsigrokcxx.hpp>
  57
  58 using std::back_inserter;
  59 using std::cerr;
  60 using std::copy;
  61 using std::endl;
  62 using std::list;
  63 using std::map;
  64 using std::max;
  65 using std::min;
  66 using std::shared_ptr;
  67 using std::string;
  68 using std::vector;
  69
  70 using sigrok::Capability;
  71 using sigrok::ConfigKey;
  72 using sigrok::Error;
  73 using sigrok::InputFormat;
  74 using sigrok::OutputFormat;
  75
  76 using boost::algorithm::join;
  77
  78 namespace pv {
  79 namespace toolbars {
  80
  81 const uint64_t MainBar::MinSampleCount = 100ULL;
  82 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
  83 const uint64_t MainBar::DefaultSampleCount = 1000000;
  84
  85 const char *MainBar::SettingOpenDirectory = "MainWindow/OpenDirectory";
  86 const char *MainBar::SettingSaveDirectory = "MainWindow/SaveDirectory";
  87
  88 MainBar::MainBar(Session &session, QWidget *parent,
  89                 pv::views::TraceView::View *view) :
  90         StandardBar(session, parent, view, false),
  91         action_new_view_(new QAction(this)),
  92         action_open_(new QAction(this)),
  93         action_save_as_(new QAction(this)),
  94         action_save_selection_as_(new QAction(this)),
  95         action_connect_(new QAction(this)),
  96         open_button_(new QToolButton()),
  97         save_button_(new QToolButton()),
  98         device_selector_(parent, session.device_manager(),
  99                 action_connect_),
 100         configure_button_(this),
 101         configure_button_action_(nullptr),
 102         channels_button_(this),
 103         channels_button_action_(nullptr),
 104         sample_count_(" samples", this),
 105         sample_rate_("Hz", this),
 106         updating_sample_rate_(false),
 107         updating_sample_count_(false),
 108         sample_count_supported_(false)
 109 #ifdef ENABLE_DECODE
 110         , add_decoder_button_(new QToolButton()),
 111         menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 112 #endif
 113 {
 114         setObjectName(QString::fromUtf8("MainBar"));
 115
 116         // Actions
 117         action_new_view_->setText(tr("New &View"));
 118         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 119                 QIcon(":/icons/window-new.png")));
 120         connect(action_new_view_, SIGNAL(triggered(bool)),
 121                 this, SLOT(on_actionNewView_triggered()));
 122
 123         action_open_->setText(tr("&Open..."));
 124         action_open_->setIcon(QIcon::fromTheme("document-open",
 125                 QIcon(":/icons/document-open.png")));
 126         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 127         connect(action_open_, SIGNAL(triggered(bool)),
 128                 this, SLOT(on_actionOpen_triggered()));
 129
 130         action_save_as_->setText(tr("&Save As..."));
 131         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 132                 QIcon(":/icons/document-save-as.png")));
 133         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 134         connect(action_save_as_, SIGNAL(triggered(bool)),
 135                 this, SLOT(on_actionSaveAs_triggered()));
 136
 137         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 138         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 139                 QIcon(":/icons/document-save-as.png")));
 140         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 141         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 142                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 143
 144         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 145                 session.device_manager().context());
 146         menu_file_export->setTitle(tr("&Export"));
 147         connect(menu_file_export,
 148                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 149                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 150
 151         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 152                 session.device_manager().context());
 153         menu_file_import->setTitle(tr("&Import"));
 154         connect(menu_file_import,
 155                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 156                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 157
 158         action_connect_->setText(tr("&Connect to Device..."));
 159         connect(action_connect_, SIGNAL(triggered(bool)),
 160                 this, SLOT(on_actionConnect_triggered()));
 161
 162         // Open button
 163         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 164                 session.device_manager().context(), action_open_);
 165         connect(import_menu,
 166                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 167                 this,
 168                 SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 169
 170         open_button_->setMenu(import_menu);
 171         open_button_->setDefaultAction(action_open_);
 172         open_button_->setPopupMode(QToolButton::MenuButtonPopup);
 173
 174         // Save button
 175         vector<QAction *> open_actions;
 176         open_actions.push_back(action_save_as_);
 177         open_actions.push_back(action_save_selection_as_);
 178
 179         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 180                 session.device_manager().context(),
 181                 open_actions);
 182         connect(export_menu,
 183                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 184                 this,
 185                 SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 186
 187         save_button_->setMenu(export_menu);
 188         save_button_->setDefaultAction(action_save_as_);
 189         save_button_->setPopupMode(QToolButton::MenuButtonPopup);
 190
 191         // Device selector menu
 192         connect(&device_selector_, SIGNAL(device_selected()),
 193                 this, SLOT(on_device_selected()));
 194
 195         // Setup the decoder button
 196 #ifdef ENABLE_DECODE
 197         menu_decoders_add_->setTitle(tr("&Add"));
 198         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 199                 this, SLOT(add_decoder(srd_decoder*)));
 200
 201         add_decoder_button_->setIcon(QIcon::fromTheme("add-decoder",
 202                 QIcon(":/icons/add-decoder.svg")));
 203         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 204         add_decoder_button_->setMenu(menu_decoders_add_);
 205 #endif
 206
 207         connect(&sample_count_, SIGNAL(value_changed()),
 208                 this, SLOT(on_sample_count_changed()));
 209         connect(&sample_rate_, SIGNAL(value_changed()),
 210                 this, SLOT(on_sample_rate_changed()));
 211
 212         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 213
 214         set_capture_state(pv::Session::Stopped);
 215
 216         configure_button_.setToolTip(tr("Configure Device"));
 217         configure_button_.setIcon(QIcon::fromTheme("configure",
 218                 QIcon(":/icons/configure.png")));
 219
 220         channels_button_.setToolTip(tr("Configure Channels"));
 221         channels_button_.setIcon(QIcon::fromTheme("channels",
 222                 QIcon(":/icons/channels.svg")));
 223
 224         add_toolbar_widgets();
 225
 226         sample_count_.installEventFilter(this);
 227         sample_rate_.installEventFilter(this);
 228
 229         // Setup session_ events
 230         connect(&session_, SIGNAL(capture_state_changed(int)),
 231                 this, SLOT(on_capture_state_changed(int)));
 232         connect(&session, SIGNAL(device_changed()),
 233                 this, SLOT(on_device_changed()));
 234
 235         update_device_list();
 236 }
 237
 238 void MainBar::update_device_list()
 239 {
 240         DeviceManager &mgr = session_.device_manager();
 241         shared_ptr<devices::Device> selected_device = session_.device();
 242         list< shared_ptr<devices::Device> > devs;
 243
 244         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 245
 246         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 247                 devs.push_back(selected_device);
 248
 249         device_selector_.set_device_list(devs, selected_device);
 250         update_device_config_widgets();
 251 }
 252
 253
 254 void MainBar::set_capture_state(pv::Session::capture_state state)
 255 {
 256         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 257
 258         device_selector_.setEnabled(ui_enabled);
 259         configure_button_.setEnabled(ui_enabled);
 260         channels_button_.setEnabled(ui_enabled);
 261         sample_count_.setEnabled(ui_enabled);
 262         sample_rate_.setEnabled(ui_enabled);
 263 }
 264
 265 void MainBar::reset_device_selector()
 266 {
 267         device_selector_.reset();
 268 }
 269
 270 QAction* MainBar::action_open() const
 271 {
 272         return action_open_;
 273 }
 274
 275 QAction* MainBar::action_save_as() const
 276 {
 277         return action_save_as_;
 278 }
 279
 280 QAction* MainBar::action_save_selection_as() const
 281 {
 282         return action_save_selection_as_;
 283 }
 284
 285 QAction* MainBar::action_connect() const
 286 {
 287         return action_connect_;
 288 }
 289
 290 void MainBar::update_sample_rate_selector()
 291 {
 292         Glib::VariantContainerBase gvar_dict;
 293         GVariant *gvar_list;
 294         const uint64_t *elements = nullptr;
 295         gsize num_elements;
 296         map< const ConfigKey*, std::set<Capability> > keys;
 297
 298         if (updating_sample_rate_) {
 299                 sample_rate_.show_none();
 300                 return;
 301         }
 302
 303         const shared_ptr<devices::Device> device =
 304                 device_selector_.selected_device();
 305         if (!device)
 306                 return;
 307
 308         assert(!updating_sample_rate_);
 309         updating_sample_rate_ = true;
 310
 311         const shared_ptr<sigrok::Device> sr_dev = device->device();
 312
 313         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 314                 gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 315         } else {
 316                 sample_rate_.show_none();
 317                 updating_sample_rate_ = false;
 318                 return;
 319         }
 320
 321         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 322                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 323                 elements = (const uint64_t *)g_variant_get_fixed_array(
 324                                 gvar_list, &num_elements, sizeof(uint64_t));
 325
 326                 const uint64_t min = elements[0];
 327                 const uint64_t max = elements[1];
 328                 const uint64_t step = elements[2];
 329
 330                 g_variant_unref(gvar_list);
 331
 332                 assert(min > 0);
 333                 assert(max > 0);
 334                 assert(max > min);
 335                 assert(step > 0);
 336
 337                 if (step == 1)
 338                         sample_rate_.show_125_list(min, max);
 339                 else {
 340                         // When the step is not 1, we cam't make a 1-2-5-10
 341                         // list of sample rates, because we may not be able to
 342                         // make round numbers. Therefore in this case, show a
 343                         // spin box.
 344                         sample_rate_.show_min_max_step(min, max, step);
 345                 }
 346         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 347                         "samplerates", G_VARIANT_TYPE("at")))) {
 348                 elements = (const uint64_t *)g_variant_get_fixed_array(
 349                                 gvar_list, &num_elements, sizeof(uint64_t));
 350                 sample_rate_.show_list(elements, num_elements);
 351                 g_variant_unref(gvar_list);
 352         }
 353         updating_sample_rate_ = false;
 354
 355         update_sample_rate_selector_value();
 356 }
 357
 358 void MainBar::update_sample_rate_selector_value()
 359 {
 360         if (updating_sample_rate_)
 361                 return;
 362
 363         const shared_ptr<devices::Device> device =
 364                 device_selector_.selected_device();
 365         if (!device)
 366                 return;
 367
 368         try {
 369                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 370                 uint64_t samplerate =
 371                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 372                 assert(!updating_sample_rate_);
 373                 updating_sample_rate_ = true;
 374                 sample_rate_.set_value(samplerate);
 375                 updating_sample_rate_ = false;
 376         } catch (Error error) {
 377                 qDebug() << "WARNING: Failed to get value of sample rate";
 378                 return;
 379         }
 380 }
 381
 382 void MainBar::update_sample_count_selector()
 383 {
 384         if (updating_sample_count_)
 385                 return;
 386
 387         const shared_ptr<devices::Device> device =
 388                 device_selector_.selected_device();
 389         if (!device)
 390                 return;
 391
 392         const shared_ptr<sigrok::Device> sr_dev = device->device();
 393
 394         assert(!updating_sample_count_);
 395         updating_sample_count_ = true;
 396
 397         if (!sample_count_supported_) {
 398                 sample_count_.show_none();
 399                 updating_sample_count_ = false;
 400                 return;
 401         }
 402
 403         uint64_t sample_count = sample_count_.value();
 404         uint64_t min_sample_count = 0;
 405         uint64_t max_sample_count = MaxSampleCount;
 406         bool default_count_set = false;
 407
 408         if (sample_count == 0) {
 409                 sample_count = DefaultSampleCount;
 410                 default_count_set = true;
 411         }
 412
 413         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 414                 auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 415                 if (gvar.gobj())
 416                         g_variant_get(gvar.gobj(), "(tt)",
 417                                 &min_sample_count, &max_sample_count);
 418         }
 419
 420         min_sample_count = min(max(min_sample_count, MinSampleCount),
 421                 max_sample_count);
 422
 423         sample_count_.show_125_list(
 424                 min_sample_count, max_sample_count);
 425
 426         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 427                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 428                 sample_count = g_variant_get_uint64(gvar.gobj());
 429                 if (sample_count == 0) {
 430                         sample_count = DefaultSampleCount;
 431                         default_count_set = true;
 432                 }
 433                 sample_count = min(max(sample_count, MinSampleCount),
 434                         max_sample_count);
 435         }
 436
 437         sample_count_.set_value(sample_count);
 438
 439         updating_sample_count_ = false;
 440
 441         // If we show the default rate then make sure the device uses the same
 442         if (default_count_set)
 443                 commit_sample_count();
 444 }
 445
 446 void MainBar::update_device_config_widgets()
 447 {
 448         using namespace pv::popups;
 449
 450         const shared_ptr<devices::Device> device =
 451                 device_selector_.selected_device();
 452
 453         // Hide the widgets if no device is selected
 454         channels_button_action_->setVisible(!!device);
 455         if (!device) {
 456                 configure_button_action_->setVisible(false);
 457                 sample_count_.show_none();
 458                 sample_rate_.show_none();
 459                 return;
 460         }
 461
 462         const shared_ptr<sigrok::Device> sr_dev = device->device();
 463         if (!sr_dev)
 464                 return;
 465
 466         // Update the configure popup
 467         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 468         configure_button_action_->setVisible(
 469                 !opts->binding().properties().empty());
 470         configure_button_.set_popup(opts);
 471
 472         // Update the channels popup
 473         Channels *const channels = new Channels(session_, this);
 474         channels_button_.set_popup(channels);
 475
 476         // Update supported options.
 477         sample_count_supported_ = false;
 478
 479         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 480                 sample_count_supported_ = true;
 481
 482         if (sr_dev->config_check(ConfigKey::LIMIT_FRAMES, Capability::SET)) {
 483                 sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
 484                         Glib::Variant<guint64>::create(1));
 485                         on_config_changed();
 486         }
 487
 488         // Add notification of reconfigure events
 489         disconnect(this, SLOT(on_config_changed()));
 490         connect(&opts->binding(), SIGNAL(config_changed()),
 491                 this, SLOT(on_config_changed()));
 492
 493         // Update sweep timing widgets.
 494         update_sample_count_selector();
 495         update_sample_rate_selector();
 496 }
 497
 498 void MainBar::commit_sample_rate()
 499 {
 500         uint64_t sample_rate = 0;
 501
 502         const shared_ptr<devices::Device> device =
 503                 device_selector_.selected_device();
 504         if (!device)
 505                 return;
 506
 507         const shared_ptr<sigrok::Device> sr_dev = device->device();
 508
 509         sample_rate = sample_rate_.value();
 510         if (sample_rate == 0)
 511                 return;
 512
 513         try {
 514                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 515                         Glib::Variant<guint64>::create(sample_rate));
 516                 update_sample_rate_selector();
 517         } catch (Error error) {
 518                 qDebug() << "Failed to configure samplerate.";
 519                 return;
 520         }
 521
 522         // Devices with built-in memory might impose limits on certain
 523         // configurations, so let's check what sample count the driver
 524         // lets us use now.
 525         update_sample_count_selector();
 526 }
 527
 528 void MainBar::commit_sample_count()
 529 {
 530         uint64_t sample_count = 0;
 531
 532         const shared_ptr<devices::Device> device =
 533                 device_selector_.selected_device();
 534         if (!device)
 535                 return;
 536
 537         const shared_ptr<sigrok::Device> sr_dev = device->device();
 538
 539         sample_count = sample_count_.value();
 540         if (sample_count_supported_) {
 541                 try {
 542                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 543                                 Glib::Variant<guint64>::create(sample_count));
 544                         update_sample_count_selector();
 545                 } catch (Error error) {
 546                         qDebug() << "Failed to configure sample count.";
 547                         return;
 548                 }
 549         }
 550
 551         // Devices with built-in memory might impose limits on certain
 552         // configurations, so let's check what sample rate the driver
 553         // lets us use now.
 554         update_sample_rate_selector();
 555 }
 556
 557 void MainBar::session_error(const QString text, const QString info_text)
 558 {
 559         QMetaObject::invokeMethod(this, "show_session_error",
 560                 Qt::QueuedConnection, Q_ARG(QString, text),
 561                 Q_ARG(QString, info_text));
 562 }
 563
 564 void MainBar::show_session_error(const QString text, const QString info_text)
 565 {
 566         QMessageBox msg(this);
 567         msg.setText(text);
 568         msg.setInformativeText(info_text);
 569         msg.setStandardButtons(QMessageBox::Ok);
 570         msg.setIcon(QMessageBox::Warning);
 571         msg.exec();
 572 }
 573
 574 void MainBar::add_decoder(srd_decoder *decoder)
 575 {
 576 #ifdef ENABLE_DECODE
 577         assert(decoder);
 578         session_.add_decoder(decoder);
 579 #else
 580         (void)decoder;
 581 #endif
 582 }
 583
 584 void MainBar::export_file(shared_ptr<OutputFormat> format,
 585         bool selection_only)
 586 {
 587         using pv::dialogs::StoreProgress;
 588
 589         // Stop any currently running capture session
 590         session_.stop_capture();
 591
 592         QSettings settings;
 593         const QString dir = settings.value(SettingSaveDirectory).toString();
 594
 595         std::pair<uint64_t, uint64_t> sample_range;
 596
 597         // Selection only? Verify that the cursors are active and fetch their values
 598         if (selection_only) {
 599                 views::TraceView::View *trace_view =
 600                         qobject_cast<views::TraceView::View*>(session_.main_view().get());
 601
 602                 if (!trace_view->cursors()->enabled()) {
 603                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 604                                         "cursors before you can save the data enclosed by them " \
 605                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 606                         return;
 607                 }
 608
 609                 const double samplerate = session_.get_samplerate();
 610
 611                 const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 612                 const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 613
 614                 const uint64_t start_sample =
 615                         std::max((double)0, start_time.convert_to<double>() * samplerate);
 616                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 617
 618                 sample_range = std::make_pair(start_sample, end_sample);
 619         } else {
 620                 sample_range = std::make_pair(0, 0);
 621         }
 622
 623         // Construct the filter
 624         const vector<string> exts = format->extensions();
 625         QString filter = tr("%1 files ").arg(
 626                 QString::fromStdString(format->description()));
 627
 628         if (exts.empty())
 629                 filter += "(*.*)";
 630         else
 631                 filter += QString("(*.%1);;%2 (*.*)").arg(
 632                         QString::fromStdString(join(exts, ", *.")),
 633                         tr("All Files"));
 634
 635         // Show the file dialog
 636         const QString file_name = QFileDialog::getSaveFileName(
 637                 this, tr("Save File"), dir, filter);
 638
 639         if (file_name.isEmpty())
 640                 return;
 641
 642         const QString abs_path = QFileInfo(file_name).absolutePath();
 643         settings.setValue(SettingSaveDirectory, abs_path);
 644
 645         // Show the options dialog
 646         map<string, Glib::VariantBase> options;
 647         if (!format->options().empty()) {
 648                 dialogs::InputOutputOptions dlg(
 649                         tr("Export %1").arg(QString::fromStdString(
 650                                 format->description())),
 651                         format->options(), this);
 652                 if (!dlg.exec())
 653                         return;
 654                 options = dlg.options();
 655         }
 656
 657         if (!selection_only)
 658                 session_.set_name(QFileInfo(file_name).fileName());
 659
 660         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 661                 sample_range, session_, this);
 662         dlg->run();
 663 }
 664
 665 void MainBar::import_file(shared_ptr<InputFormat> format)
 666 {
 667         assert(format);
 668
 669         QSettings settings;
 670         const QString dir = settings.value(SettingOpenDirectory).toString();
 671
 672         // Construct the filter
 673         const vector<string> exts = format->extensions();
 674         const QString filter = exts.empty() ? "" :
 675                 tr("%1 files (*.%2)").arg(
 676                         QString::fromStdString(format->description()),
 677                         QString::fromStdString(join(exts, ", *.")));
 678
 679         // Show the file dialog
 680         const QString file_name = QFileDialog::getOpenFileName(
 681                 this, tr("Import File"), dir, tr(
 682                         "%1 files (*.*);;All Files (*.*)").arg(
 683                         QString::fromStdString(format->description())));
 684
 685         if (file_name.isEmpty())
 686                 return;
 687
 688         // Show the options dialog
 689         map<string, Glib::VariantBase> options;
 690         if (!format->options().empty()) {
 691                 dialogs::InputOutputOptions dlg(
 692                         tr("Import %1").arg(QString::fromStdString(
 693                                 format->description())),
 694                         format->options(), this);
 695                 if (!dlg.exec())
 696                         return;
 697                 options = dlg.options();
 698         }
 699
 700         session_.load_file(file_name, format, options);
 701
 702         const QString abs_path = QFileInfo(file_name).absolutePath();
 703         settings.setValue(SettingOpenDirectory, abs_path);
 704 }
 705
 706 void MainBar::on_device_selected()
 707 {
 708         shared_ptr<devices::Device> device = device_selector_.selected_device();
 709         if (!device) {
 710                 reset_device_selector();
 711                 return;
 712         }
 713
 714         session_.select_device(device);
 715 }
 716
 717 void MainBar::on_device_changed()
 718 {
 719         update_device_list();
 720         update_device_config_widgets();
 721 }
 722
 723 void MainBar::on_capture_state_changed(int state)
 724 {
 725         set_capture_state((pv::Session::capture_state)state);
 726 }
 727
 728 void MainBar::on_sample_count_changed()
 729 {
 730         if (!updating_sample_count_)
 731                 commit_sample_count();
 732 }
 733
 734 void MainBar::on_sample_rate_changed()
 735 {
 736         if (!updating_sample_rate_)
 737                 commit_sample_rate();
 738 }
 739
 740 void MainBar::on_config_changed()
 741 {
 742         commit_sample_count();
 743         commit_sample_rate();
 744 }
 745
 746 void MainBar::on_actionNewView_triggered()
 747 {
 748         new_view(&session_);
 749 }
 750
 751 void MainBar::on_actionOpen_triggered()
 752 {
 753         QSettings settings;
 754         const QString dir = settings.value(SettingOpenDirectory).toString();
 755
 756         // Show the dialog
 757         const QString file_name = QFileDialog::getOpenFileName(
 758                 this, tr("Open File"), dir, tr(
 759                         "Sigrok Sessions (*.sr);;"
 760                         "All Files (*.*)"));
 761
 762         if (!file_name.isEmpty()) {
 763                 session_.load_file(file_name);
 764
 765                 const QString abs_path = QFileInfo(file_name).absolutePath();
 766                 settings.setValue(SettingOpenDirectory, abs_path);
 767         }
 768 }
 769
 770 void MainBar::on_actionSaveAs_triggered()
 771 {
 772         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 773 }
 774
 775 void MainBar::on_actionSaveSelectionAs_triggered()
 776 {
 777         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 778 }
 779
 780 void MainBar::on_actionConnect_triggered()
 781 {
 782         // Stop any currently running capture session
 783         session_.stop_capture();
 784
 785         dialogs::Connect dlg(this, session_.device_manager());
 786
 787         // If the user selected a device, select it in the device list. Select the
 788         // current device otherwise.
 789         if (dlg.exec())
 790                 session_.select_device(dlg.get_selected_device());
 791
 792         update_device_list();
 793 }
 794
 795 void MainBar::add_toolbar_widgets()
 796 {
 797         addAction(action_new_view_);
 798         addSeparator();
 799         addWidget(open_button_);
 800         addWidget(save_button_);
 801         addSeparator();
 802
 803         StandardBar::add_toolbar_widgets();
 804
 805         addWidget(&device_selector_);
 806         configure_button_action_ = addWidget(&configure_button_);
 807         channels_button_action_ = addWidget(&channels_button_);
 808         addWidget(&sample_count_);
 809         addWidget(&sample_rate_);
 810 #ifdef ENABLE_DECODE
 811         addSeparator();
 812         addWidget(add_decoder_button_);
 813 #endif
 814 }
 815
 816 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 817 {
 818         if (sample_count_supported_ && (watched == &sample_count_ ||
 819                         watched == &sample_rate_) &&
 820                         (event->type() == QEvent::ToolTip)) {
 821                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 822                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 823
 824                 QString str = tr("Total sampling time: %1").arg(
 825                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 826                 QToolTip::showText(help_event->globalPos(), str);
 827
 828                 return true;
 829         }
 830
 831         return false;
 832 }
 833
 834 } // namespace toolbars
 835 } // namespace pv