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