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,
  91                 pv::views::trace::View *view) :
  92         StandardBar(session, parent, view, false),
  93         action_new_view_(new QAction(this)),
  94         action_open_(new QAction(this)),
  95         action_save_as_(new QAction(this)),
  96         action_save_selection_as_(new QAction(this)),
  97         action_connect_(new QAction(this)),
  98         open_button_(new QToolButton()),
  99         save_button_(new QToolButton()),
 100         device_selector_(parent, session.device_manager(),
 101                 action_connect_),
 102         configure_button_(this),
 103         configure_button_action_(nullptr),
 104         channels_button_(this),
 105         channels_button_action_(nullptr),
 106         sample_count_(" samples", this),
 107         sample_rate_("Hz", this),
 108         updating_sample_rate_(false),
 109         updating_sample_count_(false),
 110         sample_count_supported_(false)
 111 #ifdef ENABLE_DECODE
 112         , add_decoder_button_(new QToolButton()),
 113         menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 114 #endif
 115 {
 116         setObjectName(QString::fromUtf8("MainBar"));
 117
 118         setContextMenuPolicy(Qt::PreventContextMenu);
 119
 120         // Actions
 121         action_new_view_->setText(tr("New &View"));
 122         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 123                 QIcon(":/icons/window-new.png")));
 124         connect(action_new_view_, SIGNAL(triggered(bool)),
 125                 this, SLOT(on_actionNewView_triggered()));
 126
 127         action_open_->setText(tr("&Open..."));
 128         action_open_->setIcon(QIcon::fromTheme("document-open",
 129                 QIcon(":/icons/document-open.png")));
 130         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 131         connect(action_open_, SIGNAL(triggered(bool)),
 132                 this, SLOT(on_actionOpen_triggered()));
 133
 134         action_save_as_->setText(tr("&Save As..."));
 135         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 136                 QIcon(":/icons/document-save-as.png")));
 137         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 138         connect(action_save_as_, SIGNAL(triggered(bool)),
 139                 this, SLOT(on_actionSaveAs_triggered()));
 140
 141         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 142         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 143                 QIcon(":/icons/document-save-as.png")));
 144         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 145         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 146                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 147
 148         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 149                 session.device_manager().context());
 150         menu_file_export->setTitle(tr("&Export"));
 151         connect(menu_file_export,
 152                 SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 153                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 154
 155         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 156                 session.device_manager().context());
 157         menu_file_import->setTitle(tr("&Import"));
 158         connect(menu_file_import,
 159                 SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 160                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 161
 162         action_connect_->setText(tr("&Connect to Device..."));
 163         connect(action_connect_, SIGNAL(triggered(bool)),
 164                 this, SLOT(on_actionConnect_triggered()));
 165
 166         // Open button
 167         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 168                 session.device_manager().context(), action_open_);
 169         connect(import_menu,
 170                 SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 171                 this,
 172                 SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 173
 174         open_button_->setMenu(import_menu);
 175         open_button_->setDefaultAction(action_open_);
 176         open_button_->setPopupMode(QToolButton::MenuButtonPopup);
 177
 178         // Save button
 179         vector<QAction *> open_actions;
 180         open_actions.push_back(action_save_as_);
 181         open_actions.push_back(action_save_selection_as_);
 182
 183         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 184                 session.device_manager().context(),
 185                 open_actions);
 186         connect(export_menu,
 187                 SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 188                 this,
 189                 SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 190
 191         save_button_->setMenu(export_menu);
 192         save_button_->setDefaultAction(action_save_as_);
 193         save_button_->setPopupMode(QToolButton::MenuButtonPopup);
 194
 195         // Device selector menu
 196         connect(&device_selector_, SIGNAL(device_selected()),
 197                 this, SLOT(on_device_selected()));
 198
 199         // Setup the decoder button
 200 #ifdef ENABLE_DECODE
 201         menu_decoders_add_->setTitle(tr("&Add"));
 202         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 203                 this, SLOT(add_decoder(srd_decoder*)));
 204
 205         add_decoder_button_->setIcon(QIcon(":/icons/add-decoder.svg"));
 206         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 207         add_decoder_button_->setMenu(menu_decoders_add_);
 208         add_decoder_button_->setToolTip(tr("Add low-level, non-stacked protocol decoder"));
 209 #endif
 210
 211         connect(&sample_count_, SIGNAL(value_changed()),
 212                 this, SLOT(on_sample_count_changed()));
 213         connect(&sample_rate_, SIGNAL(value_changed()),
 214                 this, SLOT(on_sample_rate_changed()));
 215
 216         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 217
 218         set_capture_state(pv::Session::Stopped);
 219
 220         configure_button_.setToolTip(tr("Configure Device"));
 221         configure_button_.setIcon(QIcon::fromTheme("preferences-system",
 222                 QIcon(":/icons/preferences-system.png")));
 223
 224         channels_button_.setToolTip(tr("Configure Channels"));
 225         channels_button_.setIcon(QIcon(":/icons/channels.svg"));
 226
 227         add_toolbar_widgets();
 228
 229         sample_count_.installEventFilter(this);
 230         sample_rate_.installEventFilter(this);
 231
 232         // Setup session_ events
 233         connect(&session_, SIGNAL(capture_state_changed(int)),
 234                 this, SLOT(on_capture_state_changed(int)));
 235         connect(&session, SIGNAL(device_changed()),
 236                 this, SLOT(on_device_changed()));
 237
 238         update_device_list();
 239 }
 240
 241 void MainBar::update_device_list()
 242 {
 243         DeviceManager &mgr = session_.device_manager();
 244         shared_ptr<devices::Device> selected_device = session_.device();
 245         list< shared_ptr<devices::Device> > devs;
 246
 247         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 248
 249         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 250                 devs.push_back(selected_device);
 251
 252         device_selector_.set_device_list(devs, selected_device);
 253         update_device_config_widgets();
 254 }
 255
 256 void MainBar::set_capture_state(pv::Session::capture_state state)
 257 {
 258         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 259
 260         device_selector_.setEnabled(ui_enabled);
 261         configure_button_.setEnabled(ui_enabled);
 262         channels_button_.setEnabled(ui_enabled);
 263         sample_count_.setEnabled(ui_enabled);
 264         sample_rate_.setEnabled(ui_enabled);
 265 }
 266
 267 void MainBar::reset_device_selector()
 268 {
 269         device_selector_.reset();
 270 }
 271
 272 QAction* MainBar::action_open() const
 273 {
 274         return action_open_;
 275 }
 276
 277 QAction* MainBar::action_save_as() const
 278 {
 279         return action_save_as_;
 280 }
 281
 282 QAction* MainBar::action_save_selection_as() const
 283 {
 284         return action_save_selection_as_;
 285 }
 286
 287 QAction* MainBar::action_connect() const
 288 {
 289         return action_connect_;
 290 }
 291
 292 void MainBar::update_sample_rate_selector()
 293 {
 294         Glib::VariantContainerBase gvar_dict;
 295         GVariant *gvar_list;
 296         const uint64_t *elements = nullptr;
 297         gsize num_elements;
 298         map< const ConfigKey*, set<Capability> > keys;
 299
 300         if (updating_sample_rate_) {
 301                 sample_rate_.show_none();
 302                 return;
 303         }
 304
 305         const shared_ptr<devices::Device> device =
 306                 device_selector_.selected_device();
 307         if (!device)
 308                 return;
 309
 310         assert(!updating_sample_rate_);
 311         updating_sample_rate_ = true;
 312
 313         const shared_ptr<sigrok::Device> sr_dev = device->device();
 314
 315         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 316                 gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 317         } else {
 318                 sample_rate_.show_none();
 319                 updating_sample_rate_ = false;
 320                 return;
 321         }
 322
 323         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 324                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 325                 elements = (const uint64_t *)g_variant_get_fixed_array(
 326                                 gvar_list, &num_elements, sizeof(uint64_t));
 327
 328                 const uint64_t min = elements[0];
 329                 const uint64_t max = elements[1];
 330                 const uint64_t step = elements[2];
 331
 332                 g_variant_unref(gvar_list);
 333
 334                 assert(min > 0);
 335                 assert(max > 0);
 336                 assert(max > min);
 337                 assert(step > 0);
 338
 339                 if (step == 1)
 340                         sample_rate_.show_125_list(min, max);
 341                 else {
 342                         // When the step is not 1, we cam't make a 1-2-5-10
 343                         // list of sample rates, because we may not be able to
 344                         // make round numbers. Therefore in this case, show a
 345                         // spin box.
 346                         sample_rate_.show_min_max_step(min, max, step);
 347                 }
 348         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 349                         "samplerates", G_VARIANT_TYPE("at")))) {
 350                 elements = (const uint64_t *)g_variant_get_fixed_array(
 351                                 gvar_list, &num_elements, sizeof(uint64_t));
 352                 sample_rate_.show_list(elements, num_elements);
 353                 g_variant_unref(gvar_list);
 354         }
 355         updating_sample_rate_ = false;
 356
 357         update_sample_rate_selector_value();
 358 }
 359
 360 void MainBar::update_sample_rate_selector_value()
 361 {
 362         if (updating_sample_rate_)
 363                 return;
 364
 365         const shared_ptr<devices::Device> device =
 366                 device_selector_.selected_device();
 367         if (!device)
 368                 return;
 369
 370         try {
 371                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 372                 uint64_t samplerate =
 373                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 374                 assert(!updating_sample_rate_);
 375                 updating_sample_rate_ = true;
 376                 sample_rate_.set_value(samplerate);
 377                 updating_sample_rate_ = false;
 378         } catch (Error error) {
 379                 qDebug() << "WARNING: Failed to get value of sample rate";
 380                 return;
 381         }
 382 }
 383
 384 void MainBar::update_sample_count_selector()
 385 {
 386         if (updating_sample_count_)
 387                 return;
 388
 389         const shared_ptr<devices::Device> device =
 390                 device_selector_.selected_device();
 391         if (!device)
 392                 return;
 393
 394         const shared_ptr<sigrok::Device> sr_dev = device->device();
 395
 396         assert(!updating_sample_count_);
 397         updating_sample_count_ = true;
 398
 399         if (!sample_count_supported_) {
 400                 sample_count_.show_none();
 401                 updating_sample_count_ = false;
 402                 return;
 403         }
 404
 405         uint64_t sample_count = sample_count_.value();
 406         uint64_t min_sample_count = 0;
 407         uint64_t max_sample_count = MaxSampleCount;
 408         bool default_count_set = false;
 409
 410         if (sample_count == 0) {
 411                 sample_count = DefaultSampleCount;
 412                 default_count_set = true;
 413         }
 414
 415         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 416                 auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 417                 if (gvar.gobj())
 418                         g_variant_get(gvar.gobj(), "(tt)",
 419                                 &min_sample_count, &max_sample_count);
 420         }
 421
 422         min_sample_count = min(max(min_sample_count, MinSampleCount),
 423                 max_sample_count);
 424
 425         sample_count_.show_125_list(min_sample_count, max_sample_count);
 426
 427         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 428                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 429                 sample_count = g_variant_get_uint64(gvar.gobj());
 430                 if (sample_count == 0) {
 431                         sample_count = DefaultSampleCount;
 432                         default_count_set = true;
 433                 }
 434                 sample_count = min(max(sample_count, MinSampleCount),
 435                         max_sample_count);
 436         }
 437
 438         sample_count_.set_value(sample_count);
 439
 440         updating_sample_count_ = false;
 441
 442         // If we show the default rate then make sure the device uses the same
 443         if (default_count_set)
 444                 commit_sample_count();
 445 }
 446
 447 void MainBar::update_device_config_widgets()
 448 {
 449         using namespace pv::popups;
 450
 451         const shared_ptr<devices::Device> device =
 452                 device_selector_.selected_device();
 453
 454         // Hide the widgets if no device is selected
 455         channels_button_action_->setVisible(!!device);
 456         if (!device) {
 457                 configure_button_action_->setVisible(false);
 458                 sample_count_.show_none();
 459                 sample_rate_.show_none();
 460                 return;
 461         }
 462
 463         const shared_ptr<sigrok::Device> sr_dev = device->device();
 464         if (!sr_dev)
 465                 return;
 466
 467         // Update the configure popup
 468         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 469         configure_button_action_->setVisible(
 470                 !opts->binding().properties().empty());
 471         configure_button_.set_popup(opts);
 472
 473         // Update the channels popup
 474         Channels *const channels = new Channels(session_, this);
 475         channels_button_.set_popup(channels);
 476
 477         // Update supported options.
 478         sample_count_supported_ = false;
 479
 480         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 481                 sample_count_supported_ = true;
 482
 483         // Add notification of reconfigure events
 484         disconnect(this, SLOT(on_config_changed()));
 485         connect(&opts->binding(), SIGNAL(config_changed()),
 486                 this, SLOT(on_config_changed()));
 487
 488         // Update sweep timing widgets.
 489         update_sample_count_selector();
 490         update_sample_rate_selector();
 491 }
 492
 493 void MainBar::commit_sample_rate()
 494 {
 495         uint64_t sample_rate = 0;
 496
 497         const shared_ptr<devices::Device> device =
 498                 device_selector_.selected_device();
 499         if (!device)
 500                 return;
 501
 502         const shared_ptr<sigrok::Device> sr_dev = device->device();
 503
 504         sample_rate = sample_rate_.value();
 505         if (sample_rate == 0)
 506                 return;
 507
 508         try {
 509                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 510                         Glib::Variant<guint64>::create(sample_rate));
 511                 update_sample_rate_selector();
 512         } catch (Error error) {
 513                 qDebug() << "Failed to configure samplerate.";
 514                 return;
 515         }
 516
 517         // Devices with built-in memory might impose limits on certain
 518         // configurations, so let's check what sample count the driver
 519         // lets us use now.
 520         update_sample_count_selector();
 521 }
 522
 523 void MainBar::commit_sample_count()
 524 {
 525         uint64_t sample_count = 0;
 526
 527         const shared_ptr<devices::Device> device =
 528                 device_selector_.selected_device();
 529         if (!device)
 530                 return;
 531
 532         const shared_ptr<sigrok::Device> sr_dev = device->device();
 533
 534         sample_count = sample_count_.value();
 535         if (sample_count_supported_) {
 536                 try {
 537                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 538                                 Glib::Variant<guint64>::create(sample_count));
 539                         update_sample_count_selector();
 540                 } catch (Error error) {
 541                         qDebug() << "Failed to configure sample count.";
 542                         return;
 543                 }
 544         }
 545
 546         // Devices with built-in memory might impose limits on certain
 547         // configurations, so let's check what sample rate the driver
 548         // lets us use now.
 549         update_sample_rate_selector();
 550 }
 551
 552 void MainBar::session_error(const QString text, const QString info_text)
 553 {
 554         QMetaObject::invokeMethod(this, "show_session_error",
 555                 Qt::QueuedConnection, Q_ARG(QString, text),
 556                 Q_ARG(QString, info_text));
 557 }
 558
 559 void MainBar::show_session_error(const QString text, const QString info_text)
 560 {
 561         QMessageBox msg(this);
 562         msg.setText(text);
 563         msg.setInformativeText(info_text);
 564         msg.setStandardButtons(QMessageBox::Ok);
 565         msg.setIcon(QMessageBox::Warning);
 566         msg.exec();
 567 }
 568
 569 void MainBar::add_decoder(srd_decoder *decoder)
 570 {
 571 #ifdef ENABLE_DECODE
 572         assert(decoder);
 573         shared_ptr<data::DecodeSignal> signal = session_.add_decode_signal();
 574         if (signal)
 575                 signal->stack_decoder(decoder);
 576 #else
 577         (void)decoder;
 578 #endif
 579 }
 580
 581 void MainBar::export_file(shared_ptr<OutputFormat> format, bool selection_only)
 582 {
 583         using pv::dialogs::StoreProgress;
 584
 585         // Stop any currently running capture session
 586         session_.stop_capture();
 587
 588         QSettings settings;
 589         const QString dir = settings.value(SettingSaveDirectory).toString();
 590
 591         pair<uint64_t, uint64_t> sample_range;
 592
 593         // Selection only? Verify that the cursors are active and fetch their values
 594         if (selection_only) {
 595                 views::trace::View *trace_view =
 596                         qobject_cast<views::trace::View*>(session_.main_view().get());
 597
 598                 if (!trace_view->cursors()->enabled()) {
 599                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 600                                         "cursors before you can save the data enclosed by them " \
 601                                         "to a session file (e.g. using the Show Cursors button)."));
 602                         return;
 603                 }
 604
 605                 const double samplerate = session_.get_samplerate();
 606
 607                 const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 608                 const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 609
 610                 const uint64_t start_sample = (uint64_t)max(
 611                         (double)0, start_time.convert_to<double>() * samplerate);
 612                 const uint64_t end_sample = (uint64_t)max(
 613                         (double)0, end_time.convert_to<double>() * samplerate);
 614
 615                 if ((start_sample == 0) && (end_sample == 0)) {
 616                         // Both cursors are negative and were clamped to 0
 617                         show_session_error(tr("Invalid Range"), tr("The cursors don't " \
 618                                         "define a valid range of samples."));
 619                         return;
 620                 }
 621
 622                 sample_range = make_pair(start_sample, end_sample);
 623         } else {
 624                 sample_range = make_pair(0, 0);
 625         }
 626
 627         // Construct the filter
 628         const vector<string> exts = format->extensions();
 629         QString filter = tr("%1 files ").arg(
 630                 QString::fromStdString(format->description()));
 631
 632         if (exts.empty())
 633                 filter += "(*)";
 634         else
 635                 filter += QString("(*.%1);;%2 (*)").arg(
 636                         QString::fromStdString(join(exts, ", *.")),
 637                         tr("All Files"));
 638
 639         // Show the file dialog
 640         const QString file_name = QFileDialog::getSaveFileName(
 641                 this, tr("Save File"), dir, filter);
 642
 643         if (file_name.isEmpty())
 644                 return;
 645
 646         const QString abs_path = QFileInfo(file_name).absolutePath();
 647         settings.setValue(SettingSaveDirectory, abs_path);
 648
 649         // Show the options dialog
 650         map<string, Glib::VariantBase> options;
 651         if (!format->options().empty()) {
 652                 dialogs::InputOutputOptions dlg(
 653                         tr("Export %1").arg(QString::fromStdString(
 654                                 format->description())),
 655                         format->options(), this);
 656                 if (!dlg.exec())
 657                         return;
 658                 options = dlg.options();
 659         }
 660
 661         if (!selection_only)
 662                 session_.set_name(QFileInfo(file_name).fileName());
 663
 664         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 665                 sample_range, session_, this);
 666         dlg->run();
 667 }
 668
 669 void MainBar::import_file(shared_ptr<InputFormat> format)
 670 {
 671         assert(format);
 672
 673         QSettings settings;
 674         const QString dir = settings.value(SettingOpenDirectory).toString();
 675
 676         // Construct the filter
 677         const vector<string> exts = format->extensions();
 678         const QString filter_exts = exts.empty() ? "" : QString::fromStdString("%1 (%2)").arg(
 679                 tr("%1 files").arg(QString::fromStdString(format->description())),
 680                 QString::fromStdString("*.%1").arg(QString::fromStdString(join(exts, " *."))));
 681         const QString filter_all = QString::fromStdString("%1 (%2)").arg(
 682                 tr("All Files"), QString::fromStdString("*"));
 683         const QString filter = QString::fromStdString("%1%2%3").arg(
 684                 exts.empty() ? "" : filter_exts,
 685                 exts.empty() ? "" : ";;",
 686                 filter_all);
 687
 688         // Show the file dialog
 689         const QString file_name = QFileDialog::getOpenFileName(
 690                 this, tr("Import File"), dir, filter);
 691
 692         if (file_name.isEmpty())
 693                 return;
 694
 695         // Show the options dialog
 696         map<string, Glib::VariantBase> options;
 697         if (!format->options().empty()) {
 698                 dialogs::InputOutputOptions dlg(
 699                         tr("Import %1").arg(QString::fromStdString(
 700                                 format->description())),
 701                         format->options(), this);
 702                 if (!dlg.exec())
 703                         return;
 704                 options = dlg.options();
 705         }
 706
 707         session_.load_file(file_name, format, options);
 708
 709         const QString abs_path = QFileInfo(file_name).absolutePath();
 710         settings.setValue(SettingOpenDirectory, abs_path);
 711 }
 712
 713 void MainBar::on_device_selected()
 714 {
 715         shared_ptr<devices::Device> device = device_selector_.selected_device();
 716         if (!device) {
 717                 reset_device_selector();
 718                 return;
 719         }
 720
 721         session_.select_device(device);
 722 }
 723
 724 void MainBar::on_device_changed()
 725 {
 726         update_device_list();
 727         update_device_config_widgets();
 728 }
 729
 730 void MainBar::on_capture_state_changed(int state)
 731 {
 732         set_capture_state((pv::Session::capture_state)state);
 733 }
 734
 735 void MainBar::on_sample_count_changed()
 736 {
 737         if (!updating_sample_count_)
 738                 commit_sample_count();
 739 }
 740
 741 void MainBar::on_sample_rate_changed()
 742 {
 743         if (!updating_sample_rate_)
 744                 commit_sample_rate();
 745 }
 746
 747 void MainBar::on_config_changed()
 748 {
 749         commit_sample_count();
 750         commit_sample_rate();
 751 }
 752
 753 void MainBar::on_actionNewView_triggered()
 754 {
 755         new_view(&session_);
 756 }
 757
 758 void MainBar::on_actionOpen_triggered()
 759 {
 760         QSettings settings;
 761         const QString dir = settings.value(SettingOpenDirectory).toString();
 762
 763         // Show the dialog
 764         const QString file_name = QFileDialog::getOpenFileName(
 765                 this, tr("Open File"), dir, tr(
 766                         "sigrok Sessions (*.sr);;"
 767                         "All Files (*)"));
 768
 769         if (!file_name.isEmpty()) {
 770                 session_.load_file(file_name);
 771
 772                 const QString abs_path = QFileInfo(file_name).absolutePath();
 773                 settings.setValue(SettingOpenDirectory, abs_path);
 774         }
 775 }
 776
 777 void MainBar::on_actionSaveAs_triggered()
 778 {
 779         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 780 }
 781
 782 void MainBar::on_actionSaveSelectionAs_triggered()
 783 {
 784         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 785 }
 786
 787 void MainBar::on_actionConnect_triggered()
 788 {
 789         // Stop any currently running capture session
 790         session_.stop_capture();
 791
 792         dialogs::Connect dlg(this, session_.device_manager());
 793
 794         // If the user selected a device, select it in the device list. Select the
 795         // current device otherwise.
 796         if (dlg.exec())
 797                 session_.select_device(dlg.get_selected_device());
 798
 799         update_device_list();
 800 }
 801
 802 void MainBar::add_toolbar_widgets()
 803 {
 804         addAction(action_new_view_);
 805         addSeparator();
 806         addWidget(open_button_);
 807         addWidget(save_button_);
 808         addSeparator();
 809
 810         StandardBar::add_toolbar_widgets();
 811
 812         addWidget(&device_selector_);
 813         configure_button_action_ = addWidget(&configure_button_);
 814         channels_button_action_ = addWidget(&channels_button_);
 815         addWidget(&sample_count_);
 816         addWidget(&sample_rate_);
 817 #ifdef ENABLE_DECODE
 818         addSeparator();
 819         addWidget(add_decoder_button_);
 820 #endif
 821 }
 822
 823 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 824 {
 825         if (sample_count_supported_ && (watched == &sample_count_ ||
 826                         watched == &sample_rate_) &&
 827                         (event->type() == QEvent::ToolTip)) {
 828                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 829                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 830
 831                 QString str = tr("Total sampling time: %1").arg(
 832                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 833                 QToolTip::showText(help_event->globalPos(), str);
 834
 835                 return true;
 836         }
 837
 838         return false;
 839 }
 840
 841 } // namespace toolbars
 842 } // namespace pv