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/widgets/decodermenu.hpp>
  54 #include <pv/data/decodesignal.hpp>
  55 #endif
  56
  57 #include <libsigrokcxx/libsigrokcxx.hpp>
  58
  59 using std::back_inserter;
  60 using std::copy;
  61 using std::list;
  62 using std::make_pair;
  63 using std::map;
  64 using std::max;
  65 using std::min;
  66 using std::pair;
  67 using std::set;
  68 using std::shared_ptr;
  69 using std::string;
  70 using std::vector;
  71
  72 using sigrok::Capability;
  73 using sigrok::ConfigKey;
  74 using sigrok::Error;
  75 using sigrok::InputFormat;
  76 using sigrok::OutputFormat;
  77
  78 using boost::algorithm::join;
  79
  80 namespace pv {
  81 namespace toolbars {
  82
  83 const uint64_t MainBar::MinSampleCount = 100ULL;
  84 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
  85 const uint64_t MainBar::DefaultSampleCount = 1000000;
  86
  87 const char *MainBar::SettingOpenDirectory = "MainWindow/OpenDirectory";
  88 const char *MainBar::SettingSaveDirectory = "MainWindow/SaveDirectory";
  89
  90 MainBar::MainBar(Session &session, QWidget *parent, pv::views::trace::View *view) :
  91         StandardBar(session, parent, view, false),
  92         action_new_view_(new QAction(this)),
  93         action_open_(new QAction(this)),
  94         action_save_as_(new QAction(this)),
  95         action_save_selection_as_(new QAction(this)),
  96         action_restore_setup_(new QAction(this)),
  97         action_save_setup_(new QAction(this)),
  98         action_connect_(new QAction(this)),
  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         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_restore_setup_->setText(tr("Restore Session Setu&p..."));
 135         connect(action_restore_setup_, SIGNAL(triggered(bool)),
 136                 this, SLOT(on_actionRestoreSetup_triggered()));
 137
 138         action_save_as_->setText(tr("&Save As..."));
 139         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 140                 QIcon(":/icons/document-save-as.png")));
 141         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 142         connect(action_save_as_, SIGNAL(triggered(bool)),
 143                 this, SLOT(on_actionSaveAs_triggered()));
 144
 145         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 146         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 147                 QIcon(":/icons/document-save-as.png")));
 148         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 149         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 150                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 151
 152         action_save_setup_->setText(tr("Save Session Setu&p..."));
 153         connect(action_save_setup_, SIGNAL(triggered(bool)),
 154                 this, SLOT(on_actionSaveSetup_triggered()));
 155
 156         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 157                 session.device_manager().context());
 158         menu_file_export->setTitle(tr("&Export"));
 159         connect(menu_file_export, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 160                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 161
 162         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 163                 session.device_manager().context());
 164         menu_file_import->setTitle(tr("&Import"));
 165         connect(menu_file_import, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 166                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 167
 168         action_connect_->setText(tr("&Connect to Device..."));
 169         connect(action_connect_, SIGNAL(triggered(bool)),
 170                 this, SLOT(on_actionConnect_triggered()));
 171
 172         // Open button
 173         vector<QAction*> open_actions;
 174         open_actions.push_back(action_open_);
 175         QAction* separator_o = new QAction(this);
 176         separator_o->setSeparator(true);
 177         open_actions.push_back(separator_o);
 178         open_actions.push_back(action_restore_setup_);
 179
 180         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 181                 session.device_manager().context(), open_actions);
 182         connect(import_menu, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 183                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 184
 185         open_button_->setMenu(import_menu);
 186         open_button_->setDefaultAction(action_open_);
 187         open_button_->setPopupMode(QToolButton::MenuButtonPopup);
 188
 189         // Save button
 190         vector<QAction*> save_actions;
 191         save_actions.push_back(action_save_as_);
 192         save_actions.push_back(action_save_selection_as_);
 193         QAction* separator_s = new QAction(this);
 194         separator_s->setSeparator(true);
 195         save_actions.push_back(separator_s);
 196         save_actions.push_back(action_save_setup_);
 197
 198         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 199                 session.device_manager().context(), save_actions);
 200         connect(export_menu, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 201                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 202
 203         save_button_->setMenu(export_menu);
 204         save_button_->setDefaultAction(action_save_as_);
 205         save_button_->setPopupMode(QToolButton::MenuButtonPopup);
 206
 207         // Device selector menu
 208         connect(&device_selector_, SIGNAL(device_selected()),
 209                 this, SLOT(on_device_selected()));
 210
 211         // Setup the decoder button
 212 #ifdef ENABLE_DECODE
 213         menu_decoders_add_->setTitle(tr("&Add"));
 214         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 215                 this, SLOT(add_decoder(srd_decoder*)));
 216
 217         add_decoder_button_->setIcon(QIcon(":/icons/add-decoder.svg"));
 218         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 219         add_decoder_button_->setMenu(menu_decoders_add_);
 220         add_decoder_button_->setToolTip(tr("Add low-level, non-stacked protocol decoder"));
 221 #endif
 222
 223         connect(&sample_count_, SIGNAL(value_changed()),
 224                 this, SLOT(on_sample_count_changed()));
 225         connect(&sample_rate_, SIGNAL(value_changed()),
 226                 this, SLOT(on_sample_rate_changed()));
 227
 228         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 229
 230         set_capture_state(pv::Session::Stopped);
 231
 232         configure_button_.setToolTip(tr("Configure Device"));
 233         configure_button_.setIcon(QIcon::fromTheme("preferences-system",
 234                 QIcon(":/icons/preferences-system.png")));
 235
 236         channels_button_.setToolTip(tr("Configure Channels"));
 237         channels_button_.setIcon(QIcon(":/icons/channels.svg"));
 238
 239         add_toolbar_widgets();
 240
 241         sample_count_.installEventFilter(this);
 242         sample_rate_.installEventFilter(this);
 243
 244         // Setup session_ events
 245         connect(&session_, SIGNAL(capture_state_changed(int)),
 246                 this, SLOT(on_capture_state_changed(int)));
 247         connect(&session, SIGNAL(device_changed()),
 248                 this, SLOT(on_device_changed()));
 249
 250         update_device_list();
 251 }
 252
 253 void MainBar::update_device_list()
 254 {
 255         DeviceManager &mgr = session_.device_manager();
 256         shared_ptr<devices::Device> selected_device = session_.device();
 257         list< shared_ptr<devices::Device> > devs;
 258
 259         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 260
 261         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 262                 devs.push_back(selected_device);
 263
 264         device_selector_.set_device_list(devs, selected_device);
 265         update_device_config_widgets();
 266 }
 267
 268 void MainBar::set_capture_state(pv::Session::capture_state state)
 269 {
 270         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 271
 272         device_selector_.setEnabled(ui_enabled);
 273         configure_button_.setEnabled(ui_enabled);
 274         channels_button_.setEnabled(ui_enabled);
 275         sample_count_.setEnabled(ui_enabled);
 276         sample_rate_.setEnabled(ui_enabled);
 277 }
 278
 279 void MainBar::reset_device_selector()
 280 {
 281         device_selector_.reset();
 282 }
 283
 284 QAction* MainBar::action_open() const
 285 {
 286         return action_open_;
 287 }
 288
 289 QAction* MainBar::action_save_as() const
 290 {
 291         return action_save_as_;
 292 }
 293
 294 QAction* MainBar::action_save_selection_as() const
 295 {
 296         return action_save_selection_as_;
 297 }
 298
 299 QAction* MainBar::action_connect() const
 300 {
 301         return action_connect_;
 302 }
 303
 304 void MainBar::update_sample_rate_selector()
 305 {
 306         Glib::VariantContainerBase gvar_dict;
 307         GVariant *gvar_list;
 308         const uint64_t *elements = nullptr;
 309         gsize num_elements;
 310         map< const ConfigKey*, set<Capability> > keys;
 311
 312         if (updating_sample_rate_) {
 313                 sample_rate_.show_none();
 314                 return;
 315         }
 316
 317         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 318         if (!device)
 319                 return;
 320
 321         assert(!updating_sample_rate_);
 322         updating_sample_rate_ = true;
 323
 324         const shared_ptr<sigrok::Device> sr_dev = device->device();
 325
 326         sample_rate_.allow_user_entered_values(false);
 327         if (sr_dev->config_check(ConfigKey::EXTERNAL_CLOCK, Capability::GET)) {
 328                 try {
 329                         auto gvar = sr_dev->config_get(ConfigKey::EXTERNAL_CLOCK);
 330                         if (gvar.gobj()) {
 331                                 bool value = Glib::VariantBase::cast_dynamic<Glib::Variant<bool>>(
 332                                         gvar).get();
 333                                 sample_rate_.allow_user_entered_values(value);
 334                         }
 335                 } catch (Error& error) {
 336                         // Do nothing
 337                 }
 338         }
 339
 340
 341         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 342                 try {
 343                         gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 344                 } catch (Error& error) {
 345                         qDebug() << tr("Failed to get sample rate list:") << error.what();
 346                 }
 347         } else {
 348                 sample_rate_.show_none();
 349                 updating_sample_rate_ = false;
 350                 return;
 351         }
 352
 353         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 354                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 355                 elements = (const uint64_t *)g_variant_get_fixed_array(
 356                         gvar_list, &num_elements, sizeof(uint64_t));
 357
 358                 const uint64_t min = elements[0];
 359                 const uint64_t max = elements[1];
 360                 const uint64_t step = elements[2];
 361
 362                 g_variant_unref(gvar_list);
 363
 364                 assert(min > 0);
 365                 assert(max > 0);
 366                 assert(max > min);
 367                 assert(step > 0);
 368
 369                 if (step == 1)
 370                         sample_rate_.show_125_list(min, max);
 371                 else {
 372                         // When the step is not 1, we cam't make a 1-2-5-10
 373                         // list of sample rates, because we may not be able to
 374                         // make round numbers. Therefore in this case, show a
 375                         // spin box.
 376                         sample_rate_.show_min_max_step(min, max, step);
 377                 }
 378         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 379                         "samplerates", G_VARIANT_TYPE("at")))) {
 380                 elements = (const uint64_t *)g_variant_get_fixed_array(
 381                         gvar_list, &num_elements, sizeof(uint64_t));
 382                 sample_rate_.show_list(elements, num_elements);
 383                 g_variant_unref(gvar_list);
 384         }
 385         updating_sample_rate_ = false;
 386
 387         update_sample_rate_selector_value();
 388 }
 389
 390 void MainBar::update_sample_rate_selector_value()
 391 {
 392         if (updating_sample_rate_)
 393                 return;
 394
 395         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 396         if (!device)
 397                 return;
 398
 399         try {
 400                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 401                 uint64_t samplerate =
 402                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 403                 assert(!updating_sample_rate_);
 404                 updating_sample_rate_ = true;
 405                 sample_rate_.set_value(samplerate);
 406                 updating_sample_rate_ = false;
 407         } catch (Error& error) {
 408                 qDebug() << tr("Failed to get sample rate:") << error.what();
 409         }
 410 }
 411
 412 void MainBar::update_sample_count_selector()
 413 {
 414         if (updating_sample_count_)
 415                 return;
 416
 417         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 418         if (!device)
 419                 return;
 420
 421         const shared_ptr<sigrok::Device> sr_dev = device->device();
 422
 423         assert(!updating_sample_count_);
 424         updating_sample_count_ = true;
 425
 426         if (!sample_count_supported_) {
 427                 sample_count_.show_none();
 428                 updating_sample_count_ = false;
 429                 return;
 430         }
 431
 432         uint64_t sample_count = sample_count_.value();
 433         uint64_t min_sample_count = 0;
 434         uint64_t max_sample_count = MaxSampleCount;
 435         bool default_count_set = false;
 436
 437         if (sample_count == 0) {
 438                 sample_count = DefaultSampleCount;
 439                 default_count_set = true;
 440         }
 441
 442         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 443                 try {
 444                         auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 445                         if (gvar.gobj())
 446                                 g_variant_get(gvar.gobj(), "(tt)",
 447                                         &min_sample_count, &max_sample_count);
 448                 } catch (Error& error) {
 449                         qDebug() << tr("Failed to get sample limit list:") << error.what();
 450                 }
 451         }
 452
 453         min_sample_count = min(max(min_sample_count, MinSampleCount),
 454                 max_sample_count);
 455
 456         sample_count_.show_125_list(min_sample_count, max_sample_count);
 457
 458         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 459                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 460                 sample_count = g_variant_get_uint64(gvar.gobj());
 461                 if (sample_count == 0) {
 462                         sample_count = DefaultSampleCount;
 463                         default_count_set = true;
 464                 }
 465                 sample_count = min(max(sample_count, MinSampleCount),
 466                         max_sample_count);
 467         }
 468
 469         sample_count_.set_value(sample_count);
 470
 471         updating_sample_count_ = false;
 472
 473         // If we show the default rate then make sure the device uses the same
 474         if (default_count_set)
 475                 commit_sample_count();
 476 }
 477
 478 void MainBar::update_device_config_widgets()
 479 {
 480         using namespace pv::popups;
 481
 482         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 483
 484         // Hide the widgets if no device is selected
 485         channels_button_action_->setVisible(!!device);
 486         if (!device) {
 487                 configure_button_action_->setVisible(false);
 488                 sample_count_.show_none();
 489                 sample_rate_.show_none();
 490                 return;
 491         }
 492
 493         const shared_ptr<sigrok::Device> sr_dev = device->device();
 494         if (!sr_dev)
 495                 return;
 496
 497         // Update the configure popup
 498         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 499         configure_button_action_->setVisible(!opts->binding().properties().empty());
 500         configure_button_.set_popup(opts);
 501
 502         // Update the channels popup
 503         Channels *const channels = new Channels(session_, this);
 504         channels_button_.set_popup(channels);
 505
 506         // Update supported options.
 507         sample_count_supported_ = false;
 508
 509         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 510                 sample_count_supported_ = true;
 511
 512         // Add notification of reconfigure events
 513         disconnect(this, SLOT(on_config_changed()));
 514         connect(&opts->binding(), SIGNAL(config_changed()),
 515                 this, SLOT(on_config_changed()));
 516
 517         // Update sweep timing widgets.
 518         update_sample_count_selector();
 519         update_sample_rate_selector();
 520 }
 521
 522 void MainBar::commit_sample_rate()
 523 {
 524         uint64_t sample_rate = 0;
 525
 526         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 527         if (!device)
 528                 return;
 529
 530         const shared_ptr<sigrok::Device> sr_dev = device->device();
 531
 532         sample_rate = sample_rate_.value();
 533
 534         try {
 535                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 536                         Glib::Variant<guint64>::create(sample_rate));
 537                 update_sample_rate_selector();
 538         } catch (Error& error) {
 539                 qDebug() << tr("Failed to configure samplerate:") << error.what();
 540                 return;
 541         }
 542
 543         // Devices with built-in memory might impose limits on certain
 544         // configurations, so let's check what sample count the driver
 545         // lets us use now.
 546         update_sample_count_selector();
 547 }
 548
 549 void MainBar::commit_sample_count()
 550 {
 551         uint64_t sample_count = 0;
 552
 553         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 554         if (!device)
 555                 return;
 556
 557         const shared_ptr<sigrok::Device> sr_dev = device->device();
 558
 559         sample_count = sample_count_.value();
 560         if (sample_count_supported_) {
 561                 try {
 562                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 563                                 Glib::Variant<guint64>::create(sample_count));
 564                         update_sample_count_selector();
 565                 } catch (Error& error) {
 566                         qDebug() << tr("Failed to configure sample count:") << error.what();
 567                         return;
 568                 }
 569         }
 570
 571         // Devices with built-in memory might impose limits on certain
 572         // configurations, so let's check what sample rate the driver
 573         // lets us use now.
 574         update_sample_rate_selector();
 575 }
 576
 577 void MainBar::show_session_error(const QString text, const QString info_text)
 578 {
 579         QMessageBox msg(this);
 580         msg.setText(text + "\n\n" + info_text);
 581         msg.setStandardButtons(QMessageBox::Ok);
 582         msg.setIcon(QMessageBox::Warning);
 583         msg.exec();
 584 }
 585
 586 void MainBar::add_decoder(srd_decoder *decoder)
 587 {
 588 #ifdef ENABLE_DECODE
 589         assert(decoder);
 590         shared_ptr<data::DecodeSignal> signal = session_.add_decode_signal();
 591         if (signal)
 592                 signal->stack_decoder(decoder);
 593 #else
 594         (void)decoder;
 595 #endif
 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()
 774 {
 775         new_view(&session_);
 776 }
 777
 778 void MainBar::on_actionOpen_triggered()
 779 {
 780         QSettings settings;
 781         const QString dir = settings.value(SettingOpenDirectory).toString();
 782
 783         // Show the dialog
 784         const QString file_name = QFileDialog::getOpenFileName(
 785                 this, tr("Open File"), dir, tr(
 786                         "sigrok Sessions (*.sr);;"
 787                         "All Files (*)"));
 788
 789         if (!file_name.isEmpty()) {
 790                 session_.load_file(file_name);
 791
 792                 const QString abs_path = QFileInfo(file_name).absolutePath();
 793                 settings.setValue(SettingOpenDirectory, abs_path);
 794         }
 795 }
 796
 797 void MainBar::on_actionSaveAs_triggered()
 798 {
 799         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 800 }
 801
 802 void MainBar::on_actionSaveSelectionAs_triggered()
 803 {
 804         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 805 }
 806
 807 void MainBar::on_actionSaveSetup_triggered()
 808 {
 809         QSettings settings;
 810         const QString dir = settings.value(SettingSaveDirectory).toString();
 811
 812         const QString file_name = QFileDialog::getSaveFileName(
 813                 this, tr("Save File"), dir, tr(
 814                                 "PulseView Session Setups (*.pvs);;"
 815                                 "All Files (*)"));
 816
 817         if (file_name.isEmpty())
 818                 return;
 819
 820         QSettings settings_storage(file_name, QSettings::IniFormat);
 821         session_.save_setup(settings_storage);
 822 }
 823
 824 void MainBar::on_actionRestoreSetup_triggered()
 825 {
 826         QSettings settings;
 827         const QString dir = settings.value(SettingSaveDirectory).toString();
 828
 829         const QString file_name = QFileDialog::getOpenFileName(
 830                 this, tr("Open File"), dir, tr(
 831                                 "PulseView Session Setups (*.pvs);;"
 832                                 "All Files (*)"));
 833
 834         if (file_name.isEmpty())
 835                 return;
 836
 837         QSettings settings_storage(file_name, QSettings::IniFormat);
 838         session_.restore_setup(settings_storage);
 839 }
 840
 841 void MainBar::on_actionConnect_triggered()
 842 {
 843         // Stop any currently running capture session
 844         session_.stop_capture();
 845
 846         dialogs::Connect dlg(this, session_.device_manager());
 847
 848         // If the user selected a device, select it in the device list. Select the
 849         // current device otherwise.
 850         if (dlg.exec())
 851                 session_.select_device(dlg.get_selected_device());
 852
 853         update_device_list();
 854 }
 855
 856 void MainBar::add_toolbar_widgets()
 857 {
 858         addAction(action_new_view_);
 859         addSeparator();
 860         addWidget(open_button_);
 861         addWidget(save_button_);
 862         addSeparator();
 863
 864         StandardBar::add_toolbar_widgets();
 865
 866         addWidget(&device_selector_);
 867         configure_button_action_ = addWidget(&configure_button_);
 868         channels_button_action_ = addWidget(&channels_button_);
 869         addWidget(&sample_count_);
 870         addWidget(&sample_rate_);
 871 #ifdef ENABLE_DECODE
 872         addSeparator();
 873         addWidget(add_decoder_button_);
 874 #endif
 875 }
 876
 877 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 878 {
 879         if (sample_count_supported_ && (watched == &sample_count_ ||
 880                 watched == &sample_rate_) &&
 881                 (event->type() == QEvent::ToolTip)) {
 882
 883                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 884                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 885
 886                 QString str = tr("Total sampling time: %1").arg(
 887                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 888                 QToolTip::showText(help_event->globalPos(), str);
 889
 890                 return true;
 891         }
 892
 893         return false;
 894 }
 895
 896 } // namespace toolbars
 897 } // namespace pv