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