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::fromTheme("add-decoder",
 203                 QIcon(":/icons/add-decoder.svg")));
 204         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 205         add_decoder_button_->setMenu(menu_decoders_add_);
 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("configure",
 219                 QIcon(":/icons/configure.png")));
 220
 221         channels_button_.setToolTip(tr("Configure Channels"));
 222         channels_button_.setIcon(QIcon::fromTheme("channels",
 223                 QIcon(":/icons/channels.svg")));
 224
 225         add_toolbar_widgets();
 226
 227         sample_count_.installEventFilter(this);
 228         sample_rate_.installEventFilter(this);
 229
 230         // Setup session_ events
 231         connect(&session_, SIGNAL(capture_state_changed(int)),
 232                 this, SLOT(on_capture_state_changed(int)));
 233         connect(&session, SIGNAL(device_changed()),
 234                 this, SLOT(on_device_changed()));
 235
 236         update_device_list();
 237 }
 238
 239 void MainBar::update_device_list()
 240 {
 241         DeviceManager &mgr = session_.device_manager();
 242         shared_ptr<devices::Device> selected_device = session_.device();
 243         list< shared_ptr<devices::Device> > devs;
 244
 245         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 246
 247         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 248                 devs.push_back(selected_device);
 249
 250         device_selector_.set_device_list(devs, selected_device);
 251         update_device_config_widgets();
 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*, 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(min_sample_count, max_sample_count);
 424
 425         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 426                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 427                 sample_count = g_variant_get_uint64(gvar.gobj());
 428                 if (sample_count == 0) {
 429                         sample_count = DefaultSampleCount;
 430                         default_count_set = true;
 431                 }
 432                 sample_count = min(max(sample_count, MinSampleCount),
 433                         max_sample_count);
 434         }
 435
 436         sample_count_.set_value(sample_count);
 437
 438         updating_sample_count_ = false;
 439
 440         // If we show the default rate then make sure the device uses the same
 441         if (default_count_set)
 442                 commit_sample_count();
 443 }
 444
 445 void MainBar::update_device_config_widgets()
 446 {
 447         using namespace pv::popups;
 448
 449         const shared_ptr<devices::Device> device =
 450                 device_selector_.selected_device();
 451
 452         // Hide the widgets if no device is selected
 453         channels_button_action_->setVisible(!!device);
 454         if (!device) {
 455                 configure_button_action_->setVisible(false);
 456                 sample_count_.show_none();
 457                 sample_rate_.show_none();
 458                 return;
 459         }
 460
 461         const shared_ptr<sigrok::Device> sr_dev = device->device();
 462         if (!sr_dev)
 463                 return;
 464
 465         // Update the configure popup
 466         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 467         configure_button_action_->setVisible(
 468                 !opts->binding().properties().empty());
 469         configure_button_.set_popup(opts);
 470
 471         // Update the channels popup
 472         Channels *const channels = new Channels(session_, this);
 473         channels_button_.set_popup(channels);
 474
 475         // Update supported options.
 476         sample_count_supported_ = false;
 477
 478         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 479                 sample_count_supported_ = true;
 480
 481         if (sr_dev->config_check(ConfigKey::LIMIT_FRAMES, Capability::SET)) {
 482                 sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
 483                         Glib::Variant<guint64>::create(1));
 484                         on_config_changed();
 485         }
 486
 487         // Add notification of reconfigure events
 488         disconnect(this, SLOT(on_config_changed()));
 489         connect(&opts->binding(), SIGNAL(config_changed()),
 490                 this, SLOT(on_config_changed()));
 491
 492         // Update sweep timing widgets.
 493         update_sample_count_selector();
 494         update_sample_rate_selector();
 495 }
 496
 497 void MainBar::commit_sample_rate()
 498 {
 499         uint64_t sample_rate = 0;
 500
 501         const shared_ptr<devices::Device> device =
 502                 device_selector_.selected_device();
 503         if (!device)
 504                 return;
 505
 506         const shared_ptr<sigrok::Device> sr_dev = device->device();
 507
 508         sample_rate = sample_rate_.value();
 509         if (sample_rate == 0)
 510                 return;
 511
 512         try {
 513                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 514                         Glib::Variant<guint64>::create(sample_rate));
 515                 update_sample_rate_selector();
 516         } catch (Error error) {
 517                 qDebug() << "Failed to configure samplerate.";
 518                 return;
 519         }
 520
 521         // Devices with built-in memory might impose limits on certain
 522         // configurations, so let's check what sample count the driver
 523         // lets us use now.
 524         update_sample_count_selector();
 525 }
 526
 527 void MainBar::commit_sample_count()
 528 {
 529         uint64_t sample_count = 0;
 530
 531         const shared_ptr<devices::Device> device =
 532                 device_selector_.selected_device();
 533         if (!device)
 534                 return;
 535
 536         const shared_ptr<sigrok::Device> sr_dev = device->device();
 537
 538         sample_count = sample_count_.value();
 539         if (sample_count_supported_) {
 540                 try {
 541                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 542                                 Glib::Variant<guint64>::create(sample_count));
 543                         update_sample_count_selector();
 544                 } catch (Error error) {
 545                         qDebug() << "Failed to configure sample count.";
 546                         return;
 547                 }
 548         }
 549
 550         // Devices with built-in memory might impose limits on certain
 551         // configurations, so let's check what sample rate the driver
 552         // lets us use now.
 553         update_sample_rate_selector();
 554 }
 555
 556 void MainBar::session_error(const QString text, const QString info_text)
 557 {
 558         QMetaObject::invokeMethod(this, "show_session_error",
 559                 Qt::QueuedConnection, Q_ARG(QString, text),
 560                 Q_ARG(QString, info_text));
 561 }
 562
 563 void MainBar::show_session_error(const QString text, const QString info_text)
 564 {
 565         QMessageBox msg(this);
 566         msg.setText(text);
 567         msg.setInformativeText(info_text);
 568         msg.setStandardButtons(QMessageBox::Ok);
 569         msg.setIcon(QMessageBox::Warning);
 570         msg.exec();
 571 }
 572
 573 void MainBar::add_decoder(srd_decoder *decoder)
 574 {
 575 #ifdef ENABLE_DECODE
 576         assert(decoder);
 577         session_.add_decoder(decoder);
 578 #else
 579         (void)decoder;
 580 #endif
 581 }
 582
 583 void MainBar::export_file(shared_ptr<OutputFormat> format, bool selection_only)
 584 {
 585         using pv::dialogs::StoreProgress;
 586
 587         // Stop any currently running capture session
 588         session_.stop_capture();
 589
 590         QSettings settings;
 591         const QString dir = settings.value(SettingSaveDirectory).toString();
 592
 593         pair<uint64_t, uint64_t> sample_range;
 594
 595         // Selection only? Verify that the cursors are active and fetch their values
 596         if (selection_only) {
 597                 views::TraceView::View *trace_view =
 598                         qobject_cast<views::TraceView::View*>(session_.main_view().get());
 599
 600                 if (!trace_view->cursors()->enabled()) {
 601                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 602                                         "cursors before you can save the data enclosed by them " \
 603                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 604                         return;
 605                 }
 606
 607                 const double samplerate = session_.get_samplerate();
 608
 609                 const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 610                 const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 611
 612                 const uint64_t start_sample = (uint64_t)max(
 613                         (double)0, start_time.convert_to<double>() * samplerate);
 614                 const uint64_t end_sample = (uint64_t)max(
 615                         (double)0, end_time.convert_to<double>() * samplerate);
 616
 617                 sample_range = make_pair(start_sample, end_sample);
 618         } else {
 619                 sample_range = make_pair(0, 0);
 620         }
 621
 622         // Construct the filter
 623         const vector<string> exts = format->extensions();
 624         QString filter = tr("%1 files ").arg(
 625                 QString::fromStdString(format->description()));
 626
 627         if (exts.empty())
 628                 filter += "(*.*)";
 629         else
 630                 filter += QString("(*.%1);;%2 (*.*)").arg(
 631                         QString::fromStdString(join(exts, ", *.")),
 632                         tr("All Files"));
 633
 634         // Show the file dialog
 635         const QString file_name = QFileDialog::getSaveFileName(
 636                 this, tr("Save File"), dir, filter);
 637
 638         if (file_name.isEmpty())
 639                 return;
 640
 641         const QString abs_path = QFileInfo(file_name).absolutePath();
 642         settings.setValue(SettingSaveDirectory, abs_path);
 643
 644         // Show the options dialog
 645         map<string, Glib::VariantBase> options;
 646         if (!format->options().empty()) {
 647                 dialogs::InputOutputOptions dlg(
 648                         tr("Export %1").arg(QString::fromStdString(
 649                                 format->description())),
 650                         format->options(), this);
 651                 if (!dlg.exec())
 652                         return;
 653                 options = dlg.options();
 654         }
 655
 656         if (!selection_only)
 657                 session_.set_name(QFileInfo(file_name).fileName());
 658
 659         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 660                 sample_range, session_, this);
 661         dlg->run();
 662 }
 663
 664 void MainBar::import_file(shared_ptr<InputFormat> format)
 665 {
 666         assert(format);
 667
 668         QSettings settings;
 669         const QString dir = settings.value(SettingOpenDirectory).toString();
 670
 671         // Construct the filter
 672         const vector<string> exts = format->extensions();
 673         const QString filter = exts.empty() ? "" :
 674                 tr("%1 files (*.%2)").arg(
 675                         QString::fromStdString(format->description()),
 676                         QString::fromStdString(join(exts, ", *.")));
 677
 678         // Show the file dialog
 679         const QString file_name = QFileDialog::getOpenFileName(
 680                 this, tr("Import File"), dir, tr(
 681                         "%1 files (*.*);;All Files (*.*)").arg(
 682                         QString::fromStdString(format->description())));
 683
 684         if (file_name.isEmpty())
 685                 return;
 686
 687         // Show the options dialog
 688         map<string, Glib::VariantBase> options;
 689         if (!format->options().empty()) {
 690                 dialogs::InputOutputOptions dlg(
 691                         tr("Import %1").arg(QString::fromStdString(
 692                                 format->description())),
 693                         format->options(), this);
 694                 if (!dlg.exec())
 695                         return;
 696                 options = dlg.options();
 697         }
 698
 699         session_.load_file(file_name, format, options);
 700
 701         const QString abs_path = QFileInfo(file_name).absolutePath();
 702         settings.setValue(SettingOpenDirectory, abs_path);
 703 }
 704
 705 void MainBar::on_device_selected()
 706 {
 707         shared_ptr<devices::Device> device = device_selector_.selected_device();
 708         if (!device) {
 709                 reset_device_selector();
 710                 return;
 711         }
 712
 713         session_.select_device(device);
 714 }
 715
 716 void MainBar::on_device_changed()
 717 {
 718         update_device_list();
 719         update_device_config_widgets();
 720 }
 721
 722 void MainBar::on_capture_state_changed(int state)
 723 {
 724         set_capture_state((pv::Session::capture_state)state);
 725 }
 726
 727 void MainBar::on_sample_count_changed()
 728 {
 729         if (!updating_sample_count_)
 730                 commit_sample_count();
 731 }
 732
 733 void MainBar::on_sample_rate_changed()
 734 {
 735         if (!updating_sample_rate_)
 736                 commit_sample_rate();
 737 }
 738
 739 void MainBar::on_config_changed()
 740 {
 741         commit_sample_count();
 742         commit_sample_rate();
 743 }
 744
 745 void MainBar::on_actionNewView_triggered()
 746 {
 747         new_view(&session_);
 748 }
 749
 750 void MainBar::on_actionOpen_triggered()
 751 {
 752         QSettings settings;
 753         const QString dir = settings.value(SettingOpenDirectory).toString();
 754
 755         // Show the dialog
 756         const QString file_name = QFileDialog::getOpenFileName(
 757                 this, tr("Open File"), dir, tr(
 758                         "Sigrok Sessions (*.sr);;"
 759                         "All Files (*.*)"));
 760
 761         if (!file_name.isEmpty()) {
 762                 session_.load_file(file_name);
 763
 764                 const QString abs_path = QFileInfo(file_name).absolutePath();
 765                 settings.setValue(SettingOpenDirectory, abs_path);
 766         }
 767 }
 768
 769 void MainBar::on_actionSaveAs_triggered()
 770 {
 771         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 772 }
 773
 774 void MainBar::on_actionSaveSelectionAs_triggered()
 775 {
 776         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 777 }
 778
 779 void MainBar::on_actionConnect_triggered()
 780 {
 781         // Stop any currently running capture session
 782         session_.stop_capture();
 783
 784         dialogs::Connect dlg(this, session_.device_manager());
 785
 786         // If the user selected a device, select it in the device list. Select the
 787         // current device otherwise.
 788         if (dlg.exec())
 789                 session_.select_device(dlg.get_selected_device());
 790
 791         update_device_list();
 792 }
 793
 794 void MainBar::add_toolbar_widgets()
 795 {
 796         addAction(action_new_view_);
 797         addSeparator();
 798         addWidget(open_button_);
 799         addWidget(save_button_);
 800         addSeparator();
 801
 802         StandardBar::add_toolbar_widgets();
 803
 804         addWidget(&device_selector_);
 805         configure_button_action_ = addWidget(&configure_button_);
 806         channels_button_action_ = addWidget(&channels_button_);
 807         addWidget(&sample_count_);
 808         addWidget(&sample_rate_);
 809 #ifdef ENABLE_DECODE
 810         addSeparator();
 811         addWidget(add_decoder_button_);
 812 #endif
 813 }
 814
 815 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 816 {
 817         if (sample_count_supported_ && (watched == &sample_count_ ||
 818                         watched == &sample_rate_) &&
 819                         (event->type() == QEvent::ToolTip)) {
 820                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 821                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 822
 823                 QString str = tr("Total sampling time: %1").arg(
 824                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 825                 QToolTip::showText(help_event->globalPos(), str);
 826
 827                 return true;
 828         }
 829
 830         return false;
 831 }
 832
 833 } // namespace toolbars
 834 } // namespace pv