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