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