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/views/trace/view.hpp>
  50 #include <pv/widgets/exportmenu.hpp>
  51 #include <pv/widgets/importmenu.hpp>
  52 #ifdef ENABLE_DECODE
  53 #include <pv/data/decodesignal.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, pv::views::trace::View *view) :
  90         StandardBar(session, parent, view, false),
  91         action_new_view_(new QAction(this)),
  92         action_open_(new QAction(this)),
  93         action_save_as_(new QAction(this)),
  94         action_save_selection_as_(new QAction(this)),
  95         action_restore_setup_(new QAction(this)),
  96         action_save_setup_(new QAction(this)),
  97         action_connect_(new QAction(this)),
  98         new_view_button_(new QToolButton()),
  99         open_button_(new QToolButton()),
 100         save_button_(new QToolButton()),
 101         device_selector_(parent, session.device_manager(), 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 #endif
 114 {
 115         setObjectName(QString::fromUtf8("MainBar"));
 116
 117         setContextMenuPolicy(Qt::PreventContextMenu);
 118
 119         // Actions
 120         action_new_view_->setText(tr("New &View"));
 121         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 122                 QIcon(":/icons/window-new.png")));
 123         connect(action_new_view_, SIGNAL(triggered(bool)),
 124                 this, SLOT(on_actionNewView_triggered()));
 125
 126         action_open_->setText(tr("&Open..."));
 127         action_open_->setIcon(QIcon::fromTheme("document-open",
 128                 QIcon(":/icons/document-open.png")));
 129         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 130         connect(action_open_, SIGNAL(triggered(bool)),
 131                 this, SLOT(on_actionOpen_triggered()));
 132
 133         action_restore_setup_->setText(tr("Restore Session Setu&p..."));
 134         connect(action_restore_setup_, SIGNAL(triggered(bool)),
 135                 this, SLOT(on_actionRestoreSetup_triggered()));
 136
 137         action_save_as_->setText(tr("&Save As..."));
 138         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 139                 QIcon(":/icons/document-save-as.png")));
 140         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 141         connect(action_save_as_, SIGNAL(triggered(bool)),
 142                 this, SLOT(on_actionSaveAs_triggered()));
 143
 144         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 145         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 146                 QIcon(":/icons/document-save-as.png")));
 147         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 148         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 149                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 150
 151         action_save_setup_->setText(tr("Save Session Setu&p..."));
 152         connect(action_save_setup_, SIGNAL(triggered(bool)),
 153                 this, SLOT(on_actionSaveSetup_triggered()));
 154
 155         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 156                 session.device_manager().context());
 157         menu_file_export->setTitle(tr("&Export"));
 158         connect(menu_file_export, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 159                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 160
 161         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 162                 session.device_manager().context());
 163         menu_file_import->setTitle(tr("&Import"));
 164         connect(menu_file_import, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 165                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 166
 167         action_connect_->setText(tr("&Connect to Device..."));
 168         connect(action_connect_, SIGNAL(triggered(bool)),
 169                 this, SLOT(on_actionConnect_triggered()));
 170
 171         // New view button
 172         QMenu *menu_new_view = new QMenu();
 173         connect(menu_new_view, SIGNAL(triggered(QAction*)),
 174                 this, SLOT(on_actionNewView_triggered(QAction*)));
 175
 176         for (int i = 0; i < views::ViewTypeCount; i++) {
 177                 QAction *const action = menu_new_view->addAction(tr(views::ViewTypeNames[i]));
 178                 action->setData(qVariantFromValue(i));
 179         }
 180
 181         new_view_button_->setMenu(menu_new_view);
 182         new_view_button_->setDefaultAction(action_new_view_);
 183         new_view_button_->setPopupMode(QToolButton::MenuButtonPopup);
 184
 185         // Open button
 186         vector<QAction*> open_actions;
 187         open_actions.push_back(action_open_);
 188         QAction* separator_o = new QAction(this);
 189         separator_o->setSeparator(true);
 190         open_actions.push_back(separator_o);
 191         open_actions.push_back(action_restore_setup_);
 192
 193         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 194                 session.device_manager().context(), open_actions);
 195         connect(import_menu, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 196                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 197
 198         open_button_->setMenu(import_menu);
 199         open_button_->setDefaultAction(action_open_);
 200         open_button_->setPopupMode(QToolButton::MenuButtonPopup);
 201
 202         // Save button
 203         vector<QAction*> save_actions;
 204         save_actions.push_back(action_save_as_);
 205         save_actions.push_back(action_save_selection_as_);
 206         QAction* separator_s = new QAction(this);
 207         separator_s->setSeparator(true);
 208         save_actions.push_back(separator_s);
 209         save_actions.push_back(action_save_setup_);
 210
 211         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 212                 session.device_manager().context(), save_actions);
 213         connect(export_menu, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 214                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 215
 216         save_button_->setMenu(export_menu);
 217         save_button_->setDefaultAction(action_save_as_);
 218         save_button_->setPopupMode(QToolButton::MenuButtonPopup);
 219
 220         // Device selector menu
 221         connect(&device_selector_, SIGNAL(device_selected()),
 222                 this, SLOT(on_device_selected()));
 223
 224         // Setup the decoder button
 225 #ifdef ENABLE_DECODE
 226         add_decoder_button_->setIcon(QIcon(":/icons/add-decoder.svg"));
 227         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 228         add_decoder_button_->setToolTip(tr("Add protocol decoder"));
 229
 230         connect(add_decoder_button_, SIGNAL(clicked()),
 231                 this, SLOT(on_add_decoder_clicked()));
 232 #endif
 233
 234         connect(&sample_count_, SIGNAL(value_changed()),
 235                 this, SLOT(on_sample_count_changed()));
 236         connect(&sample_rate_, SIGNAL(value_changed()),
 237                 this, SLOT(on_sample_rate_changed()));
 238
 239         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 240
 241         set_capture_state(pv::Session::Stopped);
 242
 243         configure_button_.setToolTip(tr("Configure Device"));
 244         configure_button_.setIcon(QIcon::fromTheme("preferences-system",
 245                 QIcon(":/icons/preferences-system.png")));
 246
 247         channels_button_.setToolTip(tr("Configure Channels"));
 248         channels_button_.setIcon(QIcon(":/icons/channels.svg"));
 249
 250         add_toolbar_widgets();
 251
 252         sample_count_.installEventFilter(this);
 253         sample_rate_.installEventFilter(this);
 254
 255         // Setup session_ events
 256         connect(&session_, SIGNAL(capture_state_changed(int)),
 257                 this, SLOT(on_capture_state_changed(int)));
 258         connect(&session, SIGNAL(device_changed()),
 259                 this, SLOT(on_device_changed()));
 260
 261         update_device_list();
 262 }
 263
 264 void MainBar::update_device_list()
 265 {
 266         DeviceManager &mgr = session_.device_manager();
 267         shared_ptr<devices::Device> selected_device = session_.device();
 268         list< shared_ptr<devices::Device> > devs;
 269
 270         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 271
 272         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 273                 devs.push_back(selected_device);
 274
 275         device_selector_.set_device_list(devs, selected_device);
 276         update_device_config_widgets();
 277 }
 278
 279 void MainBar::set_capture_state(pv::Session::capture_state state)
 280 {
 281         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 282
 283         device_selector_.setEnabled(ui_enabled);
 284         configure_button_.setEnabled(ui_enabled);
 285         channels_button_.setEnabled(ui_enabled);
 286         sample_count_.setEnabled(ui_enabled);
 287         sample_rate_.setEnabled(ui_enabled);
 288 }
 289
 290 void MainBar::reset_device_selector()
 291 {
 292         device_selector_.reset();
 293 }
 294
 295 QAction* MainBar::action_open() const
 296 {
 297         return action_open_;
 298 }
 299
 300 QAction* MainBar::action_save_as() const
 301 {
 302         return action_save_as_;
 303 }
 304
 305 QAction* MainBar::action_save_selection_as() const
 306 {
 307         return action_save_selection_as_;
 308 }
 309
 310 QAction* MainBar::action_connect() const
 311 {
 312         return action_connect_;
 313 }
 314
 315 void MainBar::update_sample_rate_selector()
 316 {
 317         Glib::VariantContainerBase gvar_dict;
 318         GVariant *gvar_list;
 319         const uint64_t *elements = nullptr;
 320         gsize num_elements;
 321         map< const ConfigKey*, set<Capability> > keys;
 322
 323         if (updating_sample_rate_) {
 324                 sample_rate_.show_none();
 325                 return;
 326         }
 327
 328         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 329         if (!device)
 330                 return;
 331
 332         assert(!updating_sample_rate_);
 333         updating_sample_rate_ = true;
 334
 335         const shared_ptr<sigrok::Device> sr_dev = device->device();
 336
 337         sample_rate_.allow_user_entered_values(false);
 338         if (sr_dev->config_check(ConfigKey::EXTERNAL_CLOCK, Capability::GET)) {
 339                 try {
 340                         auto gvar = sr_dev->config_get(ConfigKey::EXTERNAL_CLOCK);
 341                         if (gvar.gobj()) {
 342                                 bool value = Glib::VariantBase::cast_dynamic<Glib::Variant<bool>>(
 343                                         gvar).get();
 344                                 sample_rate_.allow_user_entered_values(value);
 345                         }
 346                 } catch (Error& error) {
 347                         // Do nothing
 348                 }
 349         }
 350
 351
 352         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 353                 try {
 354                         gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 355                 } catch (Error& error) {
 356                         qDebug() << tr("Failed to get sample rate list:") << error.what();
 357                 }
 358         } else {
 359                 sample_rate_.show_none();
 360                 updating_sample_rate_ = false;
 361                 return;
 362         }
 363
 364         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 365                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 366                 elements = (const uint64_t *)g_variant_get_fixed_array(
 367                         gvar_list, &num_elements, sizeof(uint64_t));
 368
 369                 const uint64_t min = elements[0];
 370                 const uint64_t max = elements[1];
 371                 const uint64_t step = elements[2];
 372
 373                 g_variant_unref(gvar_list);
 374
 375                 assert(min > 0);
 376                 assert(max > 0);
 377                 assert(max > min);
 378                 assert(step > 0);
 379
 380                 if (step == 1)
 381                         sample_rate_.show_125_list(min, max);
 382                 else {
 383                         // When the step is not 1, we cam't make a 1-2-5-10
 384                         // list of sample rates, because we may not be able to
 385                         // make round numbers. Therefore in this case, show a
 386                         // spin box.
 387                         sample_rate_.show_min_max_step(min, max, step);
 388                 }
 389         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 390                         "samplerates", G_VARIANT_TYPE("at")))) {
 391                 elements = (const uint64_t *)g_variant_get_fixed_array(
 392                         gvar_list, &num_elements, sizeof(uint64_t));
 393                 sample_rate_.show_list(elements, num_elements);
 394                 g_variant_unref(gvar_list);
 395         }
 396         updating_sample_rate_ = false;
 397
 398         update_sample_rate_selector_value();
 399 }
 400
 401 void MainBar::update_sample_rate_selector_value()
 402 {
 403         if (updating_sample_rate_)
 404                 return;
 405
 406         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 407         if (!device)
 408                 return;
 409
 410         try {
 411                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 412                 uint64_t samplerate =
 413                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 414                 assert(!updating_sample_rate_);
 415                 updating_sample_rate_ = true;
 416                 sample_rate_.set_value(samplerate);
 417                 updating_sample_rate_ = false;
 418         } catch (Error& error) {
 419                 qDebug() << tr("Failed to get sample rate:") << error.what();
 420         }
 421 }
 422
 423 void MainBar::update_sample_count_selector()
 424 {
 425         if (updating_sample_count_)
 426                 return;
 427
 428         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 429         if (!device)
 430                 return;
 431
 432         const shared_ptr<sigrok::Device> sr_dev = device->device();
 433
 434         assert(!updating_sample_count_);
 435         updating_sample_count_ = true;
 436
 437         if (!sample_count_supported_) {
 438                 sample_count_.show_none();
 439                 updating_sample_count_ = false;
 440                 return;
 441         }
 442
 443         uint64_t sample_count = sample_count_.value();
 444         uint64_t min_sample_count = 0;
 445         uint64_t max_sample_count = MaxSampleCount;
 446         bool default_count_set = false;
 447
 448         if (sample_count == 0) {
 449                 sample_count = DefaultSampleCount;
 450                 default_count_set = true;
 451         }
 452
 453         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 454                 try {
 455                         auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 456                         if (gvar.gobj())
 457                                 g_variant_get(gvar.gobj(), "(tt)",
 458                                         &min_sample_count, &max_sample_count);
 459                 } catch (Error& error) {
 460                         qDebug() << tr("Failed to get sample limit list:") << error.what();
 461                 }
 462         }
 463
 464         min_sample_count = min(max(min_sample_count, MinSampleCount),
 465                 max_sample_count);
 466
 467         sample_count_.show_125_list(min_sample_count, max_sample_count);
 468
 469         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 470                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 471                 sample_count = g_variant_get_uint64(gvar.gobj());
 472                 if (sample_count == 0) {
 473                         sample_count = DefaultSampleCount;
 474                         default_count_set = true;
 475                 }
 476                 sample_count = min(max(sample_count, MinSampleCount),
 477                         max_sample_count);
 478         }
 479
 480         sample_count_.set_value(sample_count);
 481
 482         updating_sample_count_ = false;
 483
 484         // If we show the default rate then make sure the device uses the same
 485         if (default_count_set)
 486                 commit_sample_count();
 487 }
 488
 489 void MainBar::update_device_config_widgets()
 490 {
 491         using namespace pv::popups;
 492
 493         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 494
 495         // Hide the widgets if no device is selected
 496         channels_button_action_->setVisible(!!device);
 497         if (!device) {
 498                 configure_button_action_->setVisible(false);
 499                 sample_count_.show_none();
 500                 sample_rate_.show_none();
 501                 return;
 502         }
 503
 504         const shared_ptr<sigrok::Device> sr_dev = device->device();
 505         if (!sr_dev)
 506                 return;
 507
 508         // Update the configure popup
 509         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 510         configure_button_action_->setVisible(!opts->binding().properties().empty());
 511         configure_button_.set_popup(opts);
 512
 513         // Update the channels popup
 514         Channels *const channels = new Channels(session_, this);
 515         channels_button_.set_popup(channels);
 516
 517         // Update supported options.
 518         sample_count_supported_ = false;
 519
 520         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 521                 sample_count_supported_ = true;
 522
 523         // Add notification of reconfigure events
 524         disconnect(this, SLOT(on_config_changed()));
 525         connect(&opts->binding(), SIGNAL(config_changed()),
 526                 this, SLOT(on_config_changed()));
 527
 528         // Update sweep timing widgets.
 529         update_sample_count_selector();
 530         update_sample_rate_selector();
 531 }
 532
 533 void MainBar::commit_sample_rate()
 534 {
 535         uint64_t sample_rate = 0;
 536
 537         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 538         if (!device)
 539                 return;
 540
 541         const shared_ptr<sigrok::Device> sr_dev = device->device();
 542
 543         sample_rate = sample_rate_.value();
 544
 545         try {
 546                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 547                         Glib::Variant<guint64>::create(sample_rate));
 548                 update_sample_rate_selector();
 549         } catch (Error& error) {
 550                 qDebug() << tr("Failed to configure samplerate:") << error.what();
 551                 return;
 552         }
 553
 554         // Devices with built-in memory might impose limits on certain
 555         // configurations, so let's check what sample count the driver
 556         // lets us use now.
 557         update_sample_count_selector();
 558 }
 559
 560 void MainBar::commit_sample_count()
 561 {
 562         uint64_t sample_count = 0;
 563
 564         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 565         if (!device)
 566                 return;
 567
 568         const shared_ptr<sigrok::Device> sr_dev = device->device();
 569
 570         sample_count = sample_count_.value();
 571         if (sample_count_supported_) {
 572                 try {
 573                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 574                                 Glib::Variant<guint64>::create(sample_count));
 575                         update_sample_count_selector();
 576                 } catch (Error& error) {
 577                         qDebug() << tr("Failed to configure sample count:") << error.what();
 578                         return;
 579                 }
 580         }
 581
 582         // Devices with built-in memory might impose limits on certain
 583         // configurations, so let's check what sample rate the driver
 584         // lets us use now.
 585         update_sample_rate_selector();
 586 }
 587
 588 void MainBar::show_session_error(const QString text, const QString info_text)
 589 {
 590         QMessageBox msg(this);
 591         msg.setText(text + "\n\n" + info_text);
 592         msg.setStandardButtons(QMessageBox::Ok);
 593         msg.setIcon(QMessageBox::Warning);
 594         msg.exec();
 595 }
 596
 597 void MainBar::export_file(shared_ptr<OutputFormat> format, bool selection_only)
 598 {
 599         using pv::dialogs::StoreProgress;
 600
 601         // Stop any currently running capture session
 602         session_.stop_capture();
 603
 604         QSettings settings;
 605         const QString dir = settings.value(SettingSaveDirectory).toString();
 606
 607         pair<uint64_t, uint64_t> sample_range;
 608
 609         // Selection only? Verify that the cursors are active and fetch their values
 610         if (selection_only) {
 611                 views::trace::View *trace_view =
 612                         qobject_cast<views::trace::View*>(session_.main_view().get());
 613
 614                 if (!trace_view->cursors()->enabled()) {
 615                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 616                                 "cursors before you can save the data enclosed by them " \
 617                                 "to a session file (e.g. using the Show Cursors button)."));
 618                         return;
 619                 }
 620
 621                 const double samplerate = session_.get_samplerate();
 622
 623                 const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 624                 const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 625
 626                 const uint64_t start_sample = (uint64_t)max(
 627                         0.0, start_time.convert_to<double>() * samplerate);
 628                 const uint64_t end_sample = (uint64_t)max(
 629                         0.0, end_time.convert_to<double>() * samplerate);
 630
 631                 if ((start_sample == 0) && (end_sample == 0)) {
 632                         // Both cursors are negative and were clamped to 0
 633                         show_session_error(tr("Invalid Range"), tr("The cursors don't " \
 634                                 "define a valid range of samples."));
 635                         return;
 636                 }
 637
 638                 sample_range = make_pair(start_sample, end_sample);
 639         } else {
 640                 sample_range = make_pair(0, 0);
 641         }
 642
 643         // Construct the filter
 644         const vector<string> exts = format->extensions();
 645         QString filter = tr("%1 files ").arg(
 646                 QString::fromStdString(format->description()));
 647
 648         if (exts.empty())
 649                 filter += "(*)";
 650         else
 651                 filter += QString("(*.%1);;%2 (*)").arg(
 652                         QString::fromStdString(join(exts, ", *.")),
 653                         tr("All Files"));
 654
 655         // Show the file dialog
 656         const QString file_name = QFileDialog::getSaveFileName(
 657                 this, tr("Save File"), dir, filter);
 658
 659         if (file_name.isEmpty())
 660                 return;
 661
 662         const QString abs_path = QFileInfo(file_name).absolutePath();
 663         settings.setValue(SettingSaveDirectory, abs_path);
 664
 665         // Show the options dialog
 666         map<string, Glib::VariantBase> options;
 667         if (!format->options().empty()) {
 668                 dialogs::InputOutputOptions dlg(
 669                         tr("Export %1").arg(QString::fromStdString(
 670                                 format->description())),
 671                         format->options(), this);
 672                 if (!dlg.exec())
 673                         return;
 674                 options = dlg.options();
 675         }
 676
 677         if (!selection_only)
 678                 session_.set_name(QFileInfo(file_name).fileName());
 679
 680         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 681                 sample_range, session_, this);
 682         dlg->run();
 683 }
 684
 685 void MainBar::import_file(shared_ptr<InputFormat> format)
 686 {
 687         assert(format);
 688
 689         QSettings settings;
 690         const QString dir = settings.value(SettingOpenDirectory).toString();
 691
 692         // Construct the filter
 693         const vector<string> exts = format->extensions();
 694         const QString filter_exts = exts.empty() ? "" : QString::fromStdString("%1 (%2)").arg(
 695                 tr("%1 files").arg(QString::fromStdString(format->description())),
 696                 QString::fromStdString("*.%1").arg(QString::fromStdString(join(exts, " *."))));
 697         const QString filter_all = QString::fromStdString("%1 (%2)").arg(
 698                 tr("All Files"), QString::fromStdString("*"));
 699         const QString filter = QString::fromStdString("%1%2%3").arg(
 700                 exts.empty() ? "" : filter_exts,
 701                 exts.empty() ? "" : ";;",
 702                 filter_all);
 703
 704         // Show the file dialog
 705         const QString file_name = QFileDialog::getOpenFileName(
 706                 this, tr("Import File"), dir, filter);
 707
 708         if (file_name.isEmpty())
 709                 return;
 710
 711         // Show the options dialog
 712         map<string, Glib::VariantBase> options;
 713         if (!format->options().empty()) {
 714                 dialogs::InputOutputOptions dlg(
 715                         tr("Import %1").arg(QString::fromStdString(
 716                                 format->description())),
 717                         format->options(), this);
 718                 if (!dlg.exec())
 719                         return;
 720                 options = dlg.options();
 721         }
 722
 723         session_.load_file(file_name, "", format, options);
 724
 725         const QString abs_path = QFileInfo(file_name).absolutePath();
 726         settings.setValue(SettingOpenDirectory, abs_path);
 727 }
 728
 729 void MainBar::on_device_selected()
 730 {
 731         shared_ptr<devices::Device> device = device_selector_.selected_device();
 732
 733         if (device)
 734                 session_.select_device(device);
 735         else
 736                 reset_device_selector();
 737 }
 738
 739 void MainBar::on_device_changed()
 740 {
 741         update_device_list();
 742         update_device_config_widgets();
 743 }
 744
 745 void MainBar::on_capture_state_changed(int state)
 746 {
 747         set_capture_state((pv::Session::capture_state)state);
 748 }
 749
 750 void MainBar::on_sample_count_changed()
 751 {
 752         if (!updating_sample_count_)
 753                 commit_sample_count();
 754 }
 755
 756 void MainBar::on_sample_rate_changed()
 757 {
 758         if (!updating_sample_rate_)
 759                 commit_sample_rate();
 760 }
 761
 762 void MainBar::on_config_changed()
 763 {
 764         // We want to also call update_sample_rate_selector() here in case
 765         // the user changed the SR_CONF_EXTERNAL_CLOCK option. However,
 766         // commit_sample_rate() does this already, so we don't call it here
 767
 768         commit_sample_count();
 769         commit_sample_rate();
 770 }
 771
 772 void MainBar::on_actionNewView_triggered(QAction* action)
 773 {
 774         if (action)
 775                 new_view(&session_, action->data().toInt());
 776         else
 777                 // When the icon of the button is clicked, we create a trace view
 778                 new_view(&session_, views::ViewTypeTrace);
 779 }
 780
 781 void MainBar::on_actionOpen_triggered()
 782 {
 783         QSettings settings;
 784         const QString dir = settings.value(SettingOpenDirectory).toString();
 785
 786         // Show the dialog
 787         const QString file_name = QFileDialog::getOpenFileName(
 788                 this, tr("Open File"), dir, tr(
 789                         "sigrok Sessions (*.sr);;"
 790                         "All Files (*)"));
 791
 792         if (!file_name.isEmpty()) {
 793                 session_.load_file(file_name);
 794
 795                 const QString abs_path = QFileInfo(file_name).absolutePath();
 796                 settings.setValue(SettingOpenDirectory, abs_path);
 797         }
 798 }
 799
 800 void MainBar::on_actionSaveAs_triggered()
 801 {
 802         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 803 }
 804
 805 void MainBar::on_actionSaveSelectionAs_triggered()
 806 {
 807         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 808 }
 809
 810 void MainBar::on_actionSaveSetup_triggered()
 811 {
 812         QSettings settings;
 813         const QString dir = settings.value(SettingSaveDirectory).toString();
 814
 815         const QString file_name = QFileDialog::getSaveFileName(
 816                 this, tr("Save File"), dir, tr(
 817                                 "PulseView Session Setups (*.pvs);;"
 818                                 "All Files (*)"));
 819
 820         if (file_name.isEmpty())
 821                 return;
 822
 823         QSettings settings_storage(file_name, QSettings::IniFormat);
 824         session_.save_setup(settings_storage);
 825 }
 826
 827 void MainBar::on_actionRestoreSetup_triggered()
 828 {
 829         QSettings settings;
 830         const QString dir = settings.value(SettingSaveDirectory).toString();
 831
 832         const QString file_name = QFileDialog::getOpenFileName(
 833                 this, tr("Open File"), dir, tr(
 834                                 "PulseView Session Setups (*.pvs);;"
 835                                 "All Files (*)"));
 836
 837         if (file_name.isEmpty())
 838                 return;
 839
 840         QSettings settings_storage(file_name, QSettings::IniFormat);
 841         session_.restore_setup(settings_storage);
 842 }
 843
 844 void MainBar::on_actionConnect_triggered()
 845 {
 846         // Stop any currently running capture session
 847         session_.stop_capture();
 848
 849         dialogs::Connect dlg(this, session_.device_manager());
 850
 851         // If the user selected a device, select it in the device list. Select the
 852         // current device otherwise.
 853         if (dlg.exec())
 854                 session_.select_device(dlg.get_selected_device());
 855
 856         update_device_list();
 857 }
 858
 859 void MainBar::on_add_decoder_clicked()
 860 {
 861         show_decoder_selector(&session_);
 862 }
 863
 864 void MainBar::add_toolbar_widgets()
 865 {
 866         addWidget(new_view_button_);
 867         addSeparator();
 868         addWidget(open_button_);
 869         addWidget(save_button_);
 870         addSeparator();
 871
 872         StandardBar::add_toolbar_widgets();
 873
 874         addWidget(&device_selector_);
 875         configure_button_action_ = addWidget(&configure_button_);
 876         channels_button_action_ = addWidget(&channels_button_);
 877         addWidget(&sample_count_);
 878         addWidget(&sample_rate_);
 879 #ifdef ENABLE_DECODE
 880         addSeparator();
 881         addWidget(add_decoder_button_);
 882 #endif
 883 }
 884
 885 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 886 {
 887         if (sample_count_supported_ && (watched == &sample_count_ ||
 888                 watched == &sample_rate_) &&
 889                 (event->type() == QEvent::ToolTip)) {
 890
 891                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 892                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 893
 894                 QString str = tr("Total sampling time: %1").arg(
 895                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 896                 QToolTip::showText(help_event->globalPos(), str);
 897
 898                 return true;
 899         }
 900
 901         return false;
 902 }
 903
 904 } // namespace toolbars
 905 } // namespace pv