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, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <extdef.h>
  22
  23 #include <algorithm>
  24 #include <cassert>
  25
  26 #include <QAction>
  27 #include <QDebug>
  28 #include <QFileDialog>
  29 #include <QHelpEvent>
  30 #include <QMenu>
  31 #include <QMessageBox>
  32 #include <QSettings>
  33 #include <QToolTip>
  34
  35 #include "mainbar.hpp"
  36
  37 #include <boost/algorithm/string/join.hpp>
  38
  39 #include <pv/devicemanager.hpp>
  40 #include <pv/devices/hardwaredevice.hpp>
  41 #include <pv/devices/inputfile.hpp>
  42 #include <pv/devices/sessionfile.hpp>
  43 #include <pv/dialogs/connect.hpp>
  44 #include <pv/dialogs/inputoutputoptions.hpp>
  45 #include <pv/dialogs/storeprogress.hpp>
  46 #include <pv/mainwindow.hpp>
  47 #include <pv/popups/deviceoptions.hpp>
  48 #include <pv/popups/channels.hpp>
  49 #include <pv/util.hpp>
  50 #include <pv/view/view.hpp>
  51 #include <pv/widgets/exportmenu.hpp>
  52 #include <pv/widgets/importmenu.hpp>
  53 #ifdef ENABLE_DECODE
  54 #include <pv/widgets/decodermenu.hpp>
  55 #endif
  56
  57 #include <libsigrokcxx/libsigrokcxx.hpp>
  58
  59 using std::back_inserter;
  60 using std::cerr;
  61 using std::copy;
  62 using std::endl;
  63 using std::list;
  64 using std::map;
  65 using std::max;
  66 using std::min;
  67 using std::pair;
  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, MainWindow &main_window) :
  91         QToolBar("Sampling Bar", &main_window),
  92         action_new_session_(new QAction(this)),
  93         action_new_view_(new QAction(this)),
  94         action_open_(new QAction(this)),
  95         action_save_as_(new QAction(this)),
  96         action_save_selection_as_(new QAction(this)),
  97         action_connect_(new QAction(this)),
  98         action_view_zoom_in_(new QAction(this)),
  99         action_view_zoom_out_(new QAction(this)),
 100         action_view_zoom_fit_(new QAction(this)),
 101         action_view_zoom_one_to_one_(new QAction(this)),
 102         action_view_show_cursors_(new QAction(this)),
 103         session_(session),
 104         device_selector_(&main_window, session.device_manager(),
 105                 action_connect_),
 106         configure_button_(this),
 107         configure_button_action_(nullptr),
 108         channels_button_(this),
 109         channels_button_action_(nullptr),
 110         sample_count_(" samples", this),
 111         sample_rate_("Hz", this),
 112         updating_sample_rate_(false),
 113         updating_sample_count_(false),
 114         sample_count_supported_(false),
 115         icon_red_(":/icons/status-red.svg"),
 116         icon_green_(":/icons/status-green.svg"),
 117         icon_grey_(":/icons/status-grey.svg"),
 118         run_stop_button_(this),
 119         run_stop_button_action_(nullptr),
 120         menu_button_(this)
 121 #ifdef ENABLE_DECODE
 122         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 123 #endif
 124 {
 125         setObjectName(QString::fromUtf8("MainBar"));
 126
 127         setMovable(false);
 128         setFloatable(false);
 129         setContextMenuPolicy(Qt::PreventContextMenu);
 130
 131         // Actions
 132         action_new_session_->setText(tr("New &Session"));
 133         action_new_session_->setIcon(QIcon::fromTheme("document-new",
 134                 QIcon(":/icons/document-new.png")));
 135         connect(action_new_session_, SIGNAL(triggered(bool)),
 136                 this, SLOT(on_actionNewSession_triggered()));
 137
 138         action_new_view_->setText(tr("New &View"));
 139         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 140                 QIcon(":/icons/window-new.png")));
 141         connect(action_new_view_, SIGNAL(triggered(bool)),
 142                 this, SLOT(on_actionNewView_triggered()));
 143
 144         action_open_->setText(tr("&Open..."));
 145         action_open_->setIcon(QIcon::fromTheme("document-open",
 146                 QIcon(":/icons/document-open.png")));
 147         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 148         connect(action_open_, SIGNAL(triggered(bool)),
 149                 this, SLOT(on_actionOpen_triggered()));
 150
 151         action_save_as_->setText(tr("&Save As..."));
 152         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 153                 QIcon(":/icons/document-save-as.png")));
 154         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 155         connect(action_save_as_, SIGNAL(triggered(bool)),
 156                 this, SLOT(on_actionSaveAs_triggered()));
 157
 158         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 159         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 160                 QIcon(":/icons/document-save-as.png")));
 161         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 162         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 163                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 164
 165         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 166                 session.device_manager().context());
 167         menu_file_export->setTitle(tr("&Export"));
 168         connect(menu_file_export,
 169                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 170                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 171
 172         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 173                 session.device_manager().context());
 174         menu_file_import->setTitle(tr("&Import"));
 175         connect(menu_file_import,
 176                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 177                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 178
 179         action_connect_->setText(tr("&Connect to Device..."));
 180         connect(action_connect_, SIGNAL(triggered(bool)),
 181                 this, SLOT(on_actionConnect_triggered()));
 182
 183         action_view_zoom_in_->setText(tr("Zoom &In"));
 184         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 185                 QIcon(":/icons/zoom-in.png")));
 186         // simply using Qt::Key_Plus shows no + in the menu
 187         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 188         connect(action_view_zoom_in_, SIGNAL(triggered(bool)),
 189                 this, SLOT(on_actionViewZoomIn_triggered()));
 190
 191         action_view_zoom_out_->setText(tr("Zoom &Out"));
 192         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 193                 QIcon(":/icons/zoom-out.png")));
 194         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 195         connect(action_view_zoom_out_, SIGNAL(triggered(bool)),
 196                 this, SLOT(on_actionViewZoomOut_triggered()));
 197
 198         action_view_zoom_fit_->setCheckable(true);
 199         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 200         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 201                 QIcon(":/icons/zoom-fit.png")));
 202         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 203         connect(action_view_zoom_fit_, SIGNAL(triggered(bool)),
 204                 this, SLOT(on_actionViewZoomFit_triggered()));
 205
 206         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 207         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 208                 QIcon(":/icons/zoom-original.png")));
 209         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 210         connect(action_view_zoom_one_to_one_, SIGNAL(triggered(bool)),
 211                 this, SLOT(on_actionViewZoomOneToOne_triggered()));
 212
 213         action_view_show_cursors_->setCheckable(true);
 214         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 215                 QIcon(":/icons/show-cursors.svg")));
 216         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 217         connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
 218                 this, SLOT(on_actionViewShowCursors_triggered()));
 219         action_view_show_cursors_->setText(tr("Show &Cursors"));
 220
 221         // Open button
 222         QToolButton *const open_button = new QToolButton(this);
 223
 224         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 225                 session.device_manager().context(), action_open_);
 226         connect(import_menu,
 227                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 228                 this,
 229                 SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 230
 231         open_button->setMenu(import_menu);
 232         open_button->setDefaultAction(action_open_);
 233         open_button->setPopupMode(QToolButton::MenuButtonPopup);
 234
 235         // Save button
 236         QToolButton *const save_button = new QToolButton(this);
 237
 238         vector<QAction *> open_actions;
 239         open_actions.push_back(action_save_as_);
 240         open_actions.push_back(action_save_selection_as_);
 241
 242         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 243                 session.device_manager().context(),
 244                 open_actions);
 245         connect(export_menu,
 246                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 247                 this,
 248                 SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 249
 250         save_button->setMenu(export_menu);
 251         save_button->setDefaultAction(action_save_as_);
 252         save_button->setPopupMode(QToolButton::MenuButtonPopup);
 253
 254         // Device selector menu
 255         connect(&device_selector_, SIGNAL(device_selected()),
 256                 this, SLOT(on_device_selected()));
 257
 258         // Setup the decoder button
 259 #ifdef ENABLE_DECODE
 260         menu_decoders_add_->setTitle(tr("&Add"));
 261         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 262                 this, SLOT(add_decoder(srd_decoder*)));
 263
 264         QToolButton *add_decoder_button = new QToolButton(this);
 265         add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
 266                 QIcon(":/icons/add-decoder.svg")));
 267         add_decoder_button->setPopupMode(QToolButton::InstantPopup);
 268         add_decoder_button->setMenu(menu_decoders_add_);
 269 #endif
 270
 271         // Setup the toolbar
 272         addAction(action_new_session_);
 273         addAction(action_new_view_);
 274         addSeparator();
 275         addWidget(open_button);
 276         addWidget(save_button);
 277         addSeparator();
 278         addAction(action_view_zoom_in_);
 279         addAction(action_view_zoom_out_);
 280         addAction(action_view_zoom_fit_);
 281         addAction(action_view_zoom_one_to_one_);
 282         addSeparator();
 283         addAction(action_view_show_cursors_);
 284         addSeparator();
 285
 286         connect(&run_stop_button_, SIGNAL(clicked()),
 287                 this, SLOT(on_run_stop()));
 288         connect(&sample_count_, SIGNAL(value_changed()),
 289                 this, SLOT(on_sample_count_changed()));
 290         connect(&sample_rate_, SIGNAL(value_changed()),
 291                 this, SLOT(on_sample_rate_changed()));
 292
 293         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 294
 295         set_capture_state(pv::Session::Stopped);
 296
 297         configure_button_.setIcon(QIcon::fromTheme("configure",
 298                 QIcon(":/icons/configure.png")));
 299
 300         channels_button_.setIcon(QIcon::fromTheme("channels",
 301                 QIcon(":/icons/channels.svg")));
 302
 303         run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 304
 305         addWidget(&device_selector_);
 306         configure_button_action_ = addWidget(&configure_button_);
 307         channels_button_action_ = addWidget(&channels_button_);
 308         addWidget(&sample_count_);
 309         addWidget(&sample_rate_);
 310         run_stop_button_action_ = addWidget(&run_stop_button_);
 311 #ifdef ENABLE_DECODE
 312         addSeparator();
 313         addWidget(add_decoder_button);
 314 #endif
 315
 316         QWidget *const spacer = new QWidget();
 317         spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 318         addWidget(spacer);
 319
 320         addWidget(&menu_button_);
 321
 322         sample_count_.installEventFilter(this);
 323         sample_rate_.installEventFilter(this);
 324
 325         // Setup session_ events
 326         connect(&session_, SIGNAL(capture_state_changed(int)),
 327                 this, SLOT(capture_state_changed(int)));
 328         connect(&session, SIGNAL(device_changed()),
 329                 this, SLOT(on_device_changed()));
 330
 331         update_device_list();
 332 }
 333
 334 Session &MainBar::session(void) const
 335 {
 336         return session_;
 337 }
 338
 339 void MainBar::update_device_list()
 340 {
 341         DeviceManager &mgr = session_.device_manager();
 342         shared_ptr<devices::Device> selected_device = session_.device();
 343         list< shared_ptr<devices::Device> > devs;
 344
 345         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 346
 347         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 348                 devs.push_back(selected_device);
 349
 350         device_selector_.set_device_list(devs, selected_device);
 351         update_device_config_widgets();
 352 }
 353
 354
 355 void MainBar::set_capture_state(pv::Session::capture_state state)
 356 {
 357         const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
 358         run_stop_button_.setIcon(*icons[state]);
 359         run_stop_button_.setText((state == pv::Session::Stopped) ?
 360                 tr("Run") : tr("Stop"));
 361         run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
 362
 363         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 364
 365         device_selector_.setEnabled(ui_enabled);
 366         configure_button_.setEnabled(ui_enabled);
 367         channels_button_.setEnabled(ui_enabled);
 368         sample_count_.setEnabled(ui_enabled);
 369         sample_rate_.setEnabled(ui_enabled);
 370 }
 371
 372 void MainBar::reset_device_selector()
 373 {
 374         device_selector_.reset();
 375 }
 376
 377 void MainBar::select_device(shared_ptr<devices::Device> device)
 378 {
 379         try {
 380                 if (device)
 381                         session_.set_device(device);
 382                 else
 383                         session_.set_default_device();
 384         } catch (const QString &e) {
 385                 QMessageBox msg(this);
 386                 msg.setText(e);
 387                 msg.setInformativeText(tr("Failed to Select Device"));
 388                 msg.setStandardButtons(QMessageBox::Ok);
 389                 msg.setIcon(QMessageBox::Warning);
 390                 msg.exec();
 391         }
 392 }
 393
 394 void MainBar::load_init_file(const std::string &file_name,
 395         const std::string &format)
 396 {
 397         shared_ptr<InputFormat> input_format;
 398
 399         DeviceManager& device_manager = session_.device_manager();
 400
 401         if (!format.empty()) {
 402                 const map<string, shared_ptr<InputFormat> > formats =
 403                         device_manager.context()->input_formats();
 404                 const auto iter = find_if(formats.begin(), formats.end(),
 405                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 406                                 return f.first == format; });
 407                 if (iter == formats.end()) {
 408                         cerr << "Unexpected input format: " << format << endl;
 409                         return;
 410                 }
 411
 412                 input_format = (*iter).second;
 413         }
 414
 415         load_file(QString::fromStdString(file_name), input_format);
 416 }
 417
 418 QAction* MainBar::action_open() const
 419 {
 420         return action_open_;
 421 }
 422
 423 QAction* MainBar::action_save_as() const
 424 {
 425         return action_save_as_;
 426 }
 427
 428 QAction* MainBar::action_save_selection_as() const
 429 {
 430         return action_save_selection_as_;
 431 }
 432
 433 QAction* MainBar::action_connect() const
 434 {
 435         return action_connect_;
 436 }
 437
 438 QAction* MainBar::action_view_zoom_in() const
 439 {
 440         return action_view_zoom_in_;
 441 }
 442
 443 QAction* MainBar::action_view_zoom_out() const
 444 {
 445         return action_view_zoom_out_;
 446 }
 447
 448 QAction* MainBar::action_view_zoom_fit() const
 449 {
 450         return action_view_zoom_fit_;
 451 }
 452
 453 QAction* MainBar::action_view_zoom_one_to_one() const
 454 {
 455         return action_view_zoom_one_to_one_;
 456 }
 457
 458 QAction* MainBar::action_view_show_cursors() const
 459 {
 460         return action_view_show_cursors_;
 461 }
 462
 463 void MainBar::run_stop()
 464 {
 465         switch (session_.get_capture_state()) {
 466         case Session::Stopped:
 467                 session_.start_capture([&](QString message) {
 468                         session_error("Capture failed", message); });
 469                 break;
 470         case Session::AwaitingTrigger:
 471         case Session::Running:
 472                 session_.stop_capture();
 473                 break;
 474         }
 475 }
 476
 477 void MainBar::load_file(QString file_name,
 478         std::shared_ptr<sigrok::InputFormat> format,
 479         const std::map<std::string, Glib::VariantBase> &options)
 480 {
 481         DeviceManager& device_manager = session_.device_manager();
 482
 483         const QString errorMessage(
 484                 QString("Failed to load file %1").arg(file_name));
 485
 486         try {
 487                 if (format)
 488                         session_.set_device(shared_ptr<devices::Device>(
 489                                 new devices::InputFile(
 490                                         device_manager.context(),
 491                                         file_name.toStdString(),
 492                                         format, options)));
 493                 else
 494                         session_.set_device(shared_ptr<devices::Device>(
 495                                 new devices::SessionFile(
 496                                         device_manager.context(),
 497                                         file_name.toStdString())));
 498         } catch (Error e) {
 499                 show_session_error(tr("Failed to load ") + file_name, e.what());
 500                 session_.set_default_device();
 501                 update_device_list();
 502                 return;
 503         }
 504
 505         session_.set_name(QFileInfo(file_name).fileName());
 506
 507         update_device_list();
 508
 509         session_.start_capture([&, errorMessage](QString infoMessage) {
 510                 session_error(errorMessage, infoMessage); });
 511 }
 512
 513 void MainBar::update_sample_rate_selector()
 514 {
 515         Glib::VariantContainerBase gvar_dict;
 516         GVariant *gvar_list;
 517         const uint64_t *elements = nullptr;
 518         gsize num_elements;
 519         map< const ConfigKey*, std::set<Capability> > keys;
 520
 521         if (updating_sample_rate_) {
 522                 sample_rate_.show_none();
 523                 return;
 524         }
 525
 526         const shared_ptr<devices::Device> device =
 527                 device_selector_.selected_device();
 528         if (!device)
 529                 return;
 530
 531         assert(!updating_sample_rate_);
 532         updating_sample_rate_ = true;
 533
 534         const shared_ptr<sigrok::Device> sr_dev = device->device();
 535
 536         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 537                 gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 538         } else {
 539                 sample_rate_.show_none();
 540                 updating_sample_rate_ = false;
 541                 return;
 542         }
 543
 544         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 545                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 546                 elements = (const uint64_t *)g_variant_get_fixed_array(
 547                                 gvar_list, &num_elements, sizeof(uint64_t));
 548
 549                 const uint64_t min = elements[0];
 550                 const uint64_t max = elements[1];
 551                 const uint64_t step = elements[2];
 552
 553                 g_variant_unref(gvar_list);
 554
 555                 assert(min > 0);
 556                 assert(max > 0);
 557                 assert(max > min);
 558                 assert(step > 0);
 559
 560                 if (step == 1)
 561                         sample_rate_.show_125_list(min, max);
 562                 else {
 563                         // When the step is not 1, we cam't make a 1-2-5-10
 564                         // list of sample rates, because we may not be able to
 565                         // make round numbers. Therefore in this case, show a
 566                         // spin box.
 567                         sample_rate_.show_min_max_step(min, max, step);
 568                 }
 569         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 570                         "samplerates", G_VARIANT_TYPE("at")))) {
 571                 elements = (const uint64_t *)g_variant_get_fixed_array(
 572                                 gvar_list, &num_elements, sizeof(uint64_t));
 573                 sample_rate_.show_list(elements, num_elements);
 574                 g_variant_unref(gvar_list);
 575         }
 576         updating_sample_rate_ = false;
 577
 578         update_sample_rate_selector_value();
 579 }
 580
 581 void MainBar::update_sample_rate_selector_value()
 582 {
 583         if (updating_sample_rate_)
 584                 return;
 585
 586         const shared_ptr<devices::Device> device =
 587                 device_selector_.selected_device();
 588         if (!device)
 589                 return;
 590
 591         try {
 592                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 593                 uint64_t samplerate =
 594                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 595                 assert(!updating_sample_rate_);
 596                 updating_sample_rate_ = true;
 597                 sample_rate_.set_value(samplerate);
 598                 updating_sample_rate_ = false;
 599         } catch (Error error) {
 600                 qDebug() << "WARNING: Failed to get value of sample rate";
 601                 return;
 602         }
 603 }
 604
 605 void MainBar::update_sample_count_selector()
 606 {
 607         if (updating_sample_count_)
 608                 return;
 609
 610         const shared_ptr<devices::Device> device =
 611                 device_selector_.selected_device();
 612         if (!device)
 613                 return;
 614
 615         const shared_ptr<sigrok::Device> sr_dev = device->device();
 616
 617         assert(!updating_sample_count_);
 618         updating_sample_count_ = true;
 619
 620         if (!sample_count_supported_) {
 621                 sample_count_.show_none();
 622                 updating_sample_count_ = false;
 623                 return;
 624         }
 625
 626         uint64_t sample_count = sample_count_.value();
 627         uint64_t min_sample_count = 0;
 628         uint64_t max_sample_count = MaxSampleCount;
 629
 630         if (sample_count == 0)
 631                 sample_count = DefaultSampleCount;
 632
 633         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 634                 auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 635                 if (gvar.gobj())
 636                         g_variant_get(gvar.gobj(), "(tt)",
 637                                 &min_sample_count, &max_sample_count);
 638         }
 639
 640         min_sample_count = min(max(min_sample_count, MinSampleCount),
 641                 max_sample_count);
 642
 643         sample_count_.show_125_list(
 644                 min_sample_count, max_sample_count);
 645
 646         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 647                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 648                 sample_count = g_variant_get_uint64(gvar.gobj());
 649                 if (sample_count == 0)
 650                         sample_count = DefaultSampleCount;
 651                 sample_count = min(max(sample_count, MinSampleCount),
 652                         max_sample_count);
 653         }
 654
 655         sample_count_.set_value(sample_count);
 656
 657         updating_sample_count_ = false;
 658 }
 659
 660 void MainBar::update_device_config_widgets()
 661 {
 662         using namespace pv::popups;
 663
 664         const shared_ptr<devices::Device> device =
 665                 device_selector_.selected_device();
 666
 667         // Hide the widgets if no device is selected
 668         channels_button_action_->setVisible(!!device);
 669         run_stop_button_action_->setVisible(!!device);
 670         if (!device) {
 671                 configure_button_action_->setVisible(false);
 672                 sample_count_.show_none();
 673                 sample_rate_.show_none();
 674                 return;
 675         }
 676
 677         const shared_ptr<sigrok::Device> sr_dev = device->device();
 678         if (!sr_dev)
 679                 return;
 680
 681         // Update the configure popup
 682         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 683         configure_button_action_->setVisible(
 684                 !opts->binding().properties().empty());
 685         configure_button_.set_popup(opts);
 686
 687         // Update the channels popup
 688         Channels *const channels = new Channels(session_, this);
 689         channels_button_.set_popup(channels);
 690
 691         // Update supported options.
 692         sample_count_supported_ = false;
 693
 694         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 695                 sample_count_supported_ = true;
 696
 697         if (sr_dev->config_check(ConfigKey::LIMIT_FRAMES, Capability::SET)) {
 698                 sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
 699                         Glib::Variant<guint64>::create(1));
 700                         on_config_changed();
 701         }
 702
 703         // Add notification of reconfigure events
 704         disconnect(this, SLOT(on_config_changed()));
 705         connect(&opts->binding(), SIGNAL(config_changed()),
 706                 this, SLOT(on_config_changed()));
 707
 708         // Update sweep timing widgets.
 709         update_sample_count_selector();
 710         update_sample_rate_selector();
 711 }
 712
 713 void MainBar::commit_sample_rate()
 714 {
 715         uint64_t sample_rate = 0;
 716
 717         const shared_ptr<devices::Device> device =
 718                 device_selector_.selected_device();
 719         if (!device)
 720                 return;
 721
 722         const shared_ptr<sigrok::Device> sr_dev = device->device();
 723
 724         sample_rate = sample_rate_.value();
 725         if (sample_rate == 0)
 726                 return;
 727
 728         try {
 729                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 730                         Glib::Variant<guint64>::create(sample_rate));
 731                 update_sample_rate_selector();
 732         } catch (Error error) {
 733                 qDebug() << "Failed to configure samplerate.";
 734                 return;
 735         }
 736
 737         // Devices with built-in memory might impose limits on certain
 738         // configurations, so let's check what sample count the driver
 739         // lets us use now.
 740         update_sample_count_selector();
 741 }
 742
 743 void MainBar::commit_sample_count()
 744 {
 745         uint64_t sample_count = 0;
 746
 747         const shared_ptr<devices::Device> device =
 748                 device_selector_.selected_device();
 749         if (!device)
 750                 return;
 751
 752         const shared_ptr<sigrok::Device> sr_dev = device->device();
 753
 754         sample_count = sample_count_.value();
 755         if (sample_count_supported_) {
 756                 try {
 757                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 758                                 Glib::Variant<guint64>::create(sample_count));
 759                         update_sample_count_selector();
 760                 } catch (Error error) {
 761                         qDebug() << "Failed to configure sample count.";
 762                         return;
 763                 }
 764         }
 765
 766         // Devices with built-in memory might impose limits on certain
 767         // configurations, so let's check what sample rate the driver
 768         // lets us use now.
 769         update_sample_rate_selector();
 770 }
 771
 772 void MainBar::session_error(const QString text, const QString info_text)
 773 {
 774         QMetaObject::invokeMethod(this, "show_session_error",
 775                 Qt::QueuedConnection, Q_ARG(QString, text),
 776                 Q_ARG(QString, info_text));
 777 }
 778
 779 void MainBar::show_session_error(const QString text, const QString info_text)
 780 {
 781         QMessageBox msg(this);
 782         msg.setText(text);
 783         msg.setInformativeText(info_text);
 784         msg.setStandardButtons(QMessageBox::Ok);
 785         msg.setIcon(QMessageBox::Warning);
 786         msg.exec();
 787 }
 788
 789 void MainBar::capture_state_changed(int state)
 790 {
 791         set_capture_state((pv::Session::capture_state)state);
 792 }
 793
 794 void MainBar::add_decoder(srd_decoder *decoder)
 795 {
 796 #ifdef ENABLE_DECODE
 797         assert(decoder);
 798         session_.add_decoder(decoder);
 799 #else
 800         (void)decoder;
 801 #endif
 802 }
 803
 804 void MainBar::export_file(shared_ptr<OutputFormat> format,
 805         bool selection_only)
 806 {
 807         using pv::dialogs::StoreProgress;
 808
 809         // Stop any currently running capture session
 810         session_.stop_capture();
 811
 812         QSettings settings;
 813         const QString dir = settings.value(SettingSaveDirectory).toString();
 814
 815         std::pair<uint64_t, uint64_t> sample_range;
 816
 817         // Selection only? Verify that the cursors are active and fetch their values
 818         if (selection_only) {
 819                 if (!session_.main_view()->cursors()->enabled()) {
 820                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 821                                         "cursors before you can save the data enclosed by them " \
 822                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 823                         return;
 824                 }
 825
 826                 const double samplerate = session_.get_samplerate();
 827
 828                 const pv::util::Timestamp& start_time = session_.main_view()->cursors()->first()->time();
 829                 const pv::util::Timestamp& end_time = session_.main_view()->cursors()->second()->time();
 830
 831                 const uint64_t start_sample =
 832                         std::max((double)0, start_time.convert_to<double>() * samplerate);
 833                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 834
 835                 sample_range = std::make_pair(start_sample, end_sample);
 836         } else {
 837                 sample_range = std::make_pair(0, 0);
 838         }
 839
 840         // Construct the filter
 841         const vector<string> exts = format->extensions();
 842         QString filter = tr("%1 files ").arg(
 843                 QString::fromStdString(format->description()));
 844
 845         if (exts.empty())
 846                 filter += "(*.*)";
 847         else
 848                 filter += QString("(*.%1);;%2 (*.*)").arg(
 849                         QString::fromStdString(join(exts, ", *.")),
 850                         tr("All Files"));
 851
 852         // Show the file dialog
 853         const QString file_name = QFileDialog::getSaveFileName(
 854                 this, tr("Save File"), dir, filter);
 855
 856         if (file_name.isEmpty())
 857                 return;
 858
 859         const QString abs_path = QFileInfo(file_name).absolutePath();
 860         settings.setValue(SettingSaveDirectory, abs_path);
 861
 862         // Show the options dialog
 863         map<string, Glib::VariantBase> options;
 864         if (!format->options().empty()) {
 865                 dialogs::InputOutputOptions dlg(
 866                         tr("Export %1").arg(QString::fromStdString(
 867                                 format->description())),
 868                         format->options(), this);
 869                 if (!dlg.exec())
 870                         return;
 871                 options = dlg.options();
 872         }
 873
 874         session_.set_name(QFileInfo(file_name).fileName());
 875
 876         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 877                 sample_range, session_, this);
 878         dlg->run();
 879 }
 880
 881 void MainBar::import_file(shared_ptr<InputFormat> format)
 882 {
 883         assert(format);
 884
 885         QSettings settings;
 886         const QString dir = settings.value(SettingOpenDirectory).toString();
 887
 888         // Construct the filter
 889         const vector<string> exts = format->extensions();
 890         const QString filter = exts.empty() ? "" :
 891                 tr("%1 files (*.%2)").arg(
 892                         QString::fromStdString(format->description()),
 893                         QString::fromStdString(join(exts, ", *.")));
 894
 895         // Show the file dialog
 896         const QString file_name = QFileDialog::getOpenFileName(
 897                 this, tr("Import File"), dir, tr(
 898                         "%1 files (*.*);;All Files (*.*)").arg(
 899                         QString::fromStdString(format->description())));
 900
 901         if (file_name.isEmpty())
 902                 return;
 903
 904         // Show the options dialog
 905         map<string, Glib::VariantBase> options;
 906         if (!format->options().empty()) {
 907                 dialogs::InputOutputOptions dlg(
 908                         tr("Import %1").arg(QString::fromStdString(
 909                                 format->description())),
 910                         format->options(), this);
 911                 if (!dlg.exec())
 912                         return;
 913                 options = dlg.options();
 914         }
 915
 916         load_file(file_name, format, options);
 917
 918         const QString abs_path = QFileInfo(file_name).absolutePath();
 919         settings.setValue(SettingOpenDirectory, abs_path);
 920 }
 921
 922 void MainBar::on_device_selected()
 923 {
 924         shared_ptr<devices::Device> device = device_selector_.selected_device();
 925         if (!device) {
 926                 reset_device_selector();
 927                 return;
 928         }
 929
 930         select_device(device);
 931 }
 932
 933 void MainBar::on_device_changed()
 934 {
 935         update_device_list();
 936         update_device_config_widgets();
 937 }
 938
 939 void MainBar::on_sample_count_changed()
 940 {
 941         if (!updating_sample_count_)
 942                 commit_sample_count();
 943 }
 944
 945 void MainBar::on_sample_rate_changed()
 946 {
 947         if (!updating_sample_rate_)
 948                 commit_sample_rate();
 949 }
 950
 951 void MainBar::on_run_stop()
 952 {
 953         commit_sample_count();
 954         commit_sample_rate();
 955         run_stop();
 956 }
 957
 958 void MainBar::on_config_changed()
 959 {
 960         commit_sample_count();
 961         commit_sample_rate();
 962 }
 963
 964 void MainBar::on_actionNewSession_triggered()
 965 {
 966         new_session();
 967 }
 968
 969 void MainBar::on_actionNewView_triggered()
 970 {
 971         new_view(&session_);
 972 }
 973
 974 void MainBar::on_actionOpen_triggered()
 975 {
 976         QSettings settings;
 977         const QString dir = settings.value(SettingOpenDirectory).toString();
 978
 979         // Show the dialog
 980         const QString file_name = QFileDialog::getOpenFileName(
 981                 this, tr("Open File"), dir, tr(
 982                         "Sigrok Sessions (*.sr);;"
 983                         "All Files (*.*)"));
 984
 985         if (!file_name.isEmpty()) {
 986                 load_file(file_name);
 987
 988                 const QString abs_path = QFileInfo(file_name).absolutePath();
 989                 settings.setValue(SettingOpenDirectory, abs_path);
 990         }
 991 }
 992
 993 void MainBar::on_actionSaveAs_triggered()
 994 {
 995         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 996 }
 997
 998 void MainBar::on_actionSaveSelectionAs_triggered()
 999 {
1000         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
1001 }
1002
1003 void MainBar::on_actionConnect_triggered()
1004 {
1005         // Stop any currently running capture session
1006         session_.stop_capture();
1007
1008         dialogs::Connect dlg(this, session_.device_manager());
1009
1010         // If the user selected a device, select it in the device list. Select the
1011         // current device otherwise.
1012         if (dlg.exec())
1013                 select_device(dlg.get_selected_device());
1014
1015         update_device_list();
1016 }
1017
1018 void MainBar::on_actionViewZoomIn_triggered()
1019 {
1020         session_.main_view()->zoom(1);
1021 }
1022
1023 void MainBar::on_actionViewZoomOut_triggered()
1024 {
1025         session_.main_view()->zoom(-1);
1026 }
1027
1028 void MainBar::on_actionViewZoomFit_triggered()
1029 {
1030         session_.main_view()->zoom_fit(action_view_zoom_fit_->isChecked());
1031 }
1032
1033 void MainBar::on_actionViewZoomOneToOne_triggered()
1034 {
1035         session_.main_view()->zoom_one_to_one();
1036 }
1037
1038 void MainBar::on_actionViewShowCursors_triggered()
1039 {
1040         const bool show = !session_.main_view()->cursors_shown();
1041         if (show)
1042                 session_.main_view()->centre_cursors();
1043
1044         session_.main_view()->show_cursors(show);
1045 }
1046
1047 void MainBar::on_always_zoom_to_fit_changed(bool state)
1048 {
1049         action_view_zoom_fit_->setChecked(state);
1050 }
1051
1052 bool MainBar::eventFilter(QObject *watched, QEvent *event)
1053 {
1054         if (sample_count_supported_ && (watched == &sample_count_ ||
1055                         watched == &sample_rate_) &&
1056                         (event->type() == QEvent::ToolTip)) {
1057                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
1058                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
1059
1060                 QString str = tr("Total sampling time: %1").arg(
1061                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
1062                 QToolTip::showText(help_event->globalPos(), str);
1063
1064                 return true;
1065         }
1066
1067         return false;
1068 }
1069
1070 } // namespace toolbars
1071 } // namespace pv