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/data/mathsignal.hpp>
  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/channels.hpp>
  48 #include <pv/popups/deviceoptions.hpp>
  49 #include <pv/util.hpp>
  50 #include <pv/views/trace/view.hpp>
  51 #include <pv/widgets/exportmenu.hpp>
  52 #include <pv/widgets/importmenu.hpp>
  53 #ifdef ENABLE_DECODE
  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::make_shared;
  64 using std::map;
  65 using std::max;
  66 using std::min;
  67 using std::pair;
  68 using std::set;
  69 using std::shared_ptr;
  70 using std::string;
  71 using std::vector;
  72
  73 using sigrok::Capability;
  74 using sigrok::ConfigKey;
  75 using sigrok::Error;
  76 using sigrok::InputFormat;
  77 using sigrok::OutputFormat;
  78
  79 using boost::algorithm::join;
  80
  81 namespace pv {
  82 namespace toolbars {
  83
  84 const uint64_t MainBar::MinSampleCount = 100ULL;
  85 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
  86 const uint64_t MainBar::DefaultSampleCount = 1000000;
  87
  88 const char *MainBar::SettingOpenDirectory = "MainWindow/OpenDirectory";
  89 const char *MainBar::SettingSaveDirectory = "MainWindow/SaveDirectory";
  90
  91 MainBar::MainBar(Session &session, QWidget *parent, pv::views::trace::View *view) :
  92         StandardBar(session, parent, view, false),
  93         action_new_view_(new QAction(this)),
  94         action_open_(new QAction(this)),
  95         action_save_(new QAction(this)),
  96         action_save_as_(new QAction(this)),
  97         action_save_selection_as_(new QAction(this)),
  98         action_restore_setup_(new QAction(this)),
  99         action_save_setup_(new QAction(this)),
 100         action_connect_(new QAction(this)),
 101         new_view_button_(new QToolButton()),
 102         open_button_(new QToolButton()),
 103         save_button_(new QToolButton()),
 104         device_selector_(parent, session.device_manager(), action_connect_),
 105         configure_button_(this),
 106         configure_button_action_(nullptr),
 107         channels_button_(this),
 108         channels_button_action_(nullptr),
 109         sample_count_(" samples", this),
 110         sample_rate_("Hz", this),
 111         updating_sample_rate_(false),
 112         updating_sample_count_(false),
 113         sample_count_supported_(false),
 114 #ifdef ENABLE_DECODE
 115         add_decoder_button_(new QToolButton()),
 116 #endif
 117         add_math_signal_button_(new QToolButton())
 118 {
 119         setObjectName(QString::fromUtf8("MainBar"));
 120
 121         setContextMenuPolicy(Qt::PreventContextMenu);
 122
 123         // Actions
 124         action_new_view_->setText(tr("New &View"));
 125         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 126                 QIcon(":/icons/window-new.png")));
 127         connect(action_new_view_, SIGNAL(triggered(bool)),
 128                 this, SLOT(on_actionNewView_triggered()));
 129
 130         action_open_->setText(tr("&Open..."));
 131         action_open_->setIcon(QIcon::fromTheme("document-open",
 132                 QIcon(":/icons/document-open.png")));
 133 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 134         action_open_->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_O));
 135 #else
 136         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 137 #endif
 138         connect(action_open_, SIGNAL(triggered(bool)),
 139                 this, SLOT(on_actionOpen_triggered()));
 140
 141         action_restore_setup_->setText(tr("Restore Session Setu&p..."));
 142         connect(action_restore_setup_, SIGNAL(triggered(bool)),
 143                 this, SLOT(on_actionRestoreSetup_triggered()));
 144
 145         action_save_->setText(tr("&Save..."));
 146         action_save_->setIcon(QIcon::fromTheme("document-save-as",
 147                 QIcon(":/icons/document-save-as.png")));
 148 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 149         action_save_->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_S));
 150 #else
 151         action_save_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 152 #endif
 153         connect(action_save_, SIGNAL(triggered(bool)),
 154                 this, SLOT(on_actionSave_triggered()));
 155
 156         action_save_as_->setText(tr("Save &As..."));
 157         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 158                 QIcon(":/icons/document-save-as.png")));
 159         connect(action_save_as_, SIGNAL(triggered(bool)),
 160                 this, SLOT(on_actionSaveAs_triggered()));
 161
 162         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 163         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 164                 QIcon(":/icons/document-save-as.png")));
 165 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 166         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_R));
 167 #else
 168         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 169 #endif
 170         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 171                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 172
 173         action_save_setup_->setText(tr("Save Session Setu&p..."));
 174         connect(action_save_setup_, SIGNAL(triggered(bool)),
 175                 this, SLOT(on_actionSaveSetup_triggered()));
 176
 177         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 178                 session.device_manager().context());
 179         menu_file_export->setTitle(tr("&Export"));
 180         connect(menu_file_export, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 181                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 182
 183         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 184                 session.device_manager().context());
 185         menu_file_import->setTitle(tr("&Import"));
 186         connect(menu_file_import, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 187                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 188
 189         action_connect_->setText(tr("&Connect to Device..."));
 190         connect(action_connect_, SIGNAL(triggered(bool)),
 191                 this, SLOT(on_actionConnect_triggered()));
 192
 193         // New view button
 194         QMenu *menu_new_view = new QMenu();
 195         connect(menu_new_view, SIGNAL(triggered(QAction*)),
 196                 this, SLOT(on_actionNewView_triggered(QAction*)));
 197
 198         for (int i = 0; i < views::ViewTypeCount; i++) {
 199                 QAction *const action = menu_new_view->addAction(tr(views::ViewTypeNames[i]));
 200                 action->setData(QVariant::fromValue(i));
 201         }
 202
 203         new_view_button_->setMenu(menu_new_view);
 204         new_view_button_->setDefaultAction(action_new_view_);
 205         new_view_button_->setPopupMode(QToolButton::MenuButtonPopup);
 206
 207         // Open button
 208         vector<QAction*> open_actions;
 209         open_actions.push_back(action_open_);
 210         QAction* separator_o = new QAction(this);
 211         separator_o->setSeparator(true);
 212         open_actions.push_back(separator_o);
 213         open_actions.push_back(action_restore_setup_);
 214
 215         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 216                 session.device_manager().context(), open_actions);
 217         connect(import_menu, SIGNAL(format_selected(shared_ptr<sigrok::InputFormat>)),
 218                 this, SLOT(import_file(shared_ptr<sigrok::InputFormat>)));
 219
 220         open_button_->setMenu(import_menu);
 221         open_button_->setDefaultAction(action_open_);
 222         open_button_->setPopupMode(QToolButton::MenuButtonPopup);
 223
 224         // Save button
 225         vector<QAction*> save_actions;
 226         save_actions.push_back(action_save_);
 227         save_actions.push_back(action_save_as_);
 228         save_actions.push_back(action_save_selection_as_);
 229         QAction* separator_s = new QAction(this);
 230         separator_s->setSeparator(true);
 231         save_actions.push_back(separator_s);
 232         save_actions.push_back(action_save_setup_);
 233
 234         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 235                 session.device_manager().context(), save_actions);
 236         connect(export_menu, SIGNAL(format_selected(shared_ptr<sigrok::OutputFormat>)),
 237                 this, SLOT(export_file(shared_ptr<sigrok::OutputFormat>)));
 238
 239         save_button_->setMenu(export_menu);
 240         save_button_->setDefaultAction(action_save_);
 241         save_button_->setPopupMode(QToolButton::MenuButtonPopup);
 242
 243         // Device selector menu
 244         connect(&device_selector_, SIGNAL(device_selected()),
 245                 this, SLOT(on_device_selected()));
 246
 247         // Setup the decoder button
 248 #ifdef ENABLE_DECODE
 249         add_decoder_button_->setIcon(QIcon(":/icons/add-decoder.svg"));
 250         add_decoder_button_->setPopupMode(QToolButton::InstantPopup);
 251         add_decoder_button_->setToolTip(tr("Add protocol decoder"));
 252         add_decoder_button_->setShortcut(QKeySequence(Qt::Key_D));
 253
 254         connect(add_decoder_button_, SIGNAL(clicked()),
 255                 this, SLOT(on_add_decoder_clicked()));
 256 #endif
 257
 258         // Setup the math signal button
 259         add_math_signal_button_->setIcon(QIcon(":/icons/add-math-signal.svg"));
 260         add_math_signal_button_->setPopupMode(QToolButton::InstantPopup);
 261         add_math_signal_button_->setToolTip(tr("Add math signal"));
 262         add_math_signal_button_->setShortcut(QKeySequence(Qt::Key_M));
 263
 264         connect(add_math_signal_button_, SIGNAL(clicked()),
 265                 this, SLOT(on_add_math_signal_clicked()));
 266
 267
 268         connect(&sample_count_, SIGNAL(value_changed()),
 269                 this, SLOT(on_sample_count_changed()));
 270         connect(&sample_rate_, SIGNAL(value_changed()),
 271                 this, SLOT(on_sample_rate_changed()));
 272
 273         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 274
 275         set_capture_state(pv::Session::Stopped);
 276
 277         configure_button_.setToolTip(tr("Configure Device"));
 278         configure_button_.setIcon(QIcon::fromTheme("preferences-system",
 279                 QIcon(":/icons/preferences-system.png")));
 280
 281         channels_button_.setToolTip(tr("Configure Channels"));
 282         channels_button_.setIcon(QIcon(":/icons/channels.svg"));
 283
 284         add_toolbar_widgets();
 285
 286         sample_count_.installEventFilter(this);
 287         sample_rate_.installEventFilter(this);
 288
 289         // Setup session_ events
 290         connect(&session_, SIGNAL(capture_state_changed(int)),
 291                 this, SLOT(on_capture_state_changed(int)));
 292         connect(&session, SIGNAL(device_changed()),
 293                 this, SLOT(on_device_changed()));
 294
 295         update_device_list();
 296 }
 297
 298 void MainBar::update_device_list()
 299 {
 300         DeviceManager &mgr = session_.device_manager();
 301         shared_ptr<devices::Device> selected_device = session_.device();
 302         list< shared_ptr<devices::Device> > devs;
 303
 304         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 305
 306         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 307                 devs.push_back(selected_device);
 308
 309         device_selector_.set_device_list(devs, selected_device);
 310         update_device_config_widgets();
 311 }
 312
 313 void MainBar::set_capture_state(pv::Session::capture_state state)
 314 {
 315         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 316
 317         device_selector_.setEnabled(ui_enabled);
 318         configure_button_.setEnabled(ui_enabled);
 319         channels_button_.setEnabled(ui_enabled);
 320         sample_count_.setEnabled(ui_enabled);
 321         sample_rate_.setEnabled(ui_enabled);
 322 }
 323
 324 void MainBar::reset_device_selector()
 325 {
 326         device_selector_.reset();
 327 }
 328
 329 QAction* MainBar::action_open() const
 330 {
 331         return action_open_;
 332 }
 333
 334 QAction* MainBar::action_save() const
 335 {
 336         return action_save_;
 337 }
 338
 339 QAction* MainBar::action_save_as() const
 340 {
 341         return action_save_as_;
 342 }
 343
 344 QAction* MainBar::action_save_selection_as() const
 345 {
 346         return action_save_selection_as_;
 347 }
 348
 349 QAction* MainBar::action_connect() const
 350 {
 351         return action_connect_;
 352 }
 353
 354 void MainBar::update_sample_rate_selector()
 355 {
 356         Glib::VariantContainerBase gvar_dict;
 357         GVariant *gvar_list;
 358         const uint64_t *elements = nullptr;
 359         gsize num_elements;
 360         map< const ConfigKey*, set<Capability> > keys;
 361
 362         if (updating_sample_rate_) {
 363                 sample_rate_.show_none();
 364                 return;
 365         }
 366
 367         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 368         if (!device)
 369                 return;
 370
 371         assert(!updating_sample_rate_);
 372         updating_sample_rate_ = true;
 373
 374         const shared_ptr<sigrok::Device> sr_dev = device->device();
 375
 376         sample_rate_.allow_user_entered_values(false);
 377         if (sr_dev->config_check(ConfigKey::EXTERNAL_CLOCK, Capability::GET)) {
 378                 try {
 379                         auto gvar = sr_dev->config_get(ConfigKey::EXTERNAL_CLOCK);
 380                         if (gvar.gobj()) {
 381                                 bool value = Glib::VariantBase::cast_dynamic<Glib::Variant<bool>>(
 382                                         gvar).get();
 383                                 sample_rate_.allow_user_entered_values(value);
 384                         }
 385                 } catch (Error& error) {
 386                         // Do nothing
 387                 }
 388         }
 389
 390
 391         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 392                 try {
 393                         gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 394                 } catch (Error& error) {
 395                         qDebug() << tr("Failed to get sample rate list:") << error.what();
 396                 }
 397         } else {
 398                 sample_rate_.show_none();
 399                 updating_sample_rate_ = false;
 400                 return;
 401         }
 402
 403         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 404                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 405                 elements = (const uint64_t *)g_variant_get_fixed_array(
 406                         gvar_list, &num_elements, sizeof(uint64_t));
 407
 408                 const uint64_t min = elements[0];
 409                 const uint64_t max = elements[1];
 410                 const uint64_t step = elements[2];
 411
 412                 g_variant_unref(gvar_list);
 413
 414                 assert(min > 0);
 415                 assert(max > 0);
 416                 assert(max > min);
 417                 assert(step > 0);
 418
 419                 if (step == 1)
 420                         sample_rate_.show_125_list(min, max);
 421                 else {
 422                         // When the step is not 1, we cam't make a 1-2-5-10
 423                         // list of sample rates, because we may not be able to
 424                         // make round numbers. Therefore in this case, show a
 425                         // spin box.
 426                         sample_rate_.show_min_max_step(min, max, step);
 427                 }
 428         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 429                         "samplerates", G_VARIANT_TYPE("at")))) {
 430                 elements = (const uint64_t *)g_variant_get_fixed_array(
 431                         gvar_list, &num_elements, sizeof(uint64_t));
 432                 sample_rate_.show_list(elements, num_elements);
 433                 g_variant_unref(gvar_list);
 434         }
 435         updating_sample_rate_ = false;
 436
 437         update_sample_rate_selector_value();
 438 }
 439
 440 void MainBar::update_sample_rate_selector_value()
 441 {
 442         if (updating_sample_rate_)
 443                 return;
 444
 445         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 446         if (!device)
 447                 return;
 448
 449         try {
 450                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 451                 uint64_t samplerate =
 452                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 453                 assert(!updating_sample_rate_);
 454                 updating_sample_rate_ = true;
 455                 sample_rate_.set_value(samplerate);
 456                 updating_sample_rate_ = false;
 457         } catch (Error& error) {
 458                 qDebug() << tr("Failed to get sample rate:") << error.what();
 459         }
 460 }
 461
 462 void MainBar::update_sample_count_selector()
 463 {
 464         if (updating_sample_count_)
 465                 return;
 466
 467         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 468         if (!device)
 469                 return;
 470
 471         const shared_ptr<sigrok::Device> sr_dev = device->device();
 472
 473         assert(!updating_sample_count_);
 474         updating_sample_count_ = true;
 475
 476         if (!sample_count_supported_) {
 477                 sample_count_.show_none();
 478                 updating_sample_count_ = false;
 479                 return;
 480         }
 481
 482         uint64_t sample_count = sample_count_.value();
 483         uint64_t min_sample_count = 0;
 484         uint64_t max_sample_count = MaxSampleCount;
 485         bool default_count_set = false;
 486
 487         if (sample_count == 0) {
 488                 sample_count = DefaultSampleCount;
 489                 default_count_set = true;
 490         }
 491
 492         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 493                 try {
 494                         auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 495                         if (gvar.gobj())
 496                                 g_variant_get(gvar.gobj(), "(tt)",
 497                                         &min_sample_count, &max_sample_count);
 498                 } catch (Error& error) {
 499                         qDebug() << tr("Failed to get sample limit list:") << error.what();
 500                 }
 501         }
 502
 503         min_sample_count = min(max(min_sample_count, MinSampleCount),
 504                 max_sample_count);
 505
 506         sample_count_.show_125_list(min_sample_count, max_sample_count);
 507
 508         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 509                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 510                 sample_count = g_variant_get_uint64(gvar.gobj());
 511                 if (sample_count == 0) {
 512                         sample_count = DefaultSampleCount;
 513                         default_count_set = true;
 514                 }
 515                 sample_count = min(max(sample_count, MinSampleCount),
 516                         max_sample_count);
 517         }
 518
 519         sample_count_.set_value(sample_count);
 520
 521         updating_sample_count_ = false;
 522
 523         // If we show the default rate then make sure the device uses the same
 524         if (default_count_set)
 525                 commit_sample_count();
 526 }
 527
 528 void MainBar::update_device_config_widgets()
 529 {
 530         using namespace pv::popups;
 531
 532         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 533
 534         // Hide the widgets if no device is selected
 535         channels_button_action_->setVisible(!!device);
 536         if (!device) {
 537                 configure_button_action_->setVisible(false);
 538                 sample_count_.show_none();
 539                 sample_rate_.show_none();
 540                 return;
 541         }
 542
 543         const shared_ptr<sigrok::Device> sr_dev = device->device();
 544         if (!sr_dev)
 545                 return;
 546
 547         // Update the configure popup
 548         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 549         configure_button_action_->setVisible(!opts->binding().properties().empty());
 550         configure_button_.set_popup(opts);
 551
 552         // Update the channels popup
 553         Channels *const channels = new Channels(session_, this);
 554         channels_button_.set_popup(channels);
 555
 556         // Update supported options.
 557         sample_count_supported_ = false;
 558
 559         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 560                 sample_count_supported_ = true;
 561
 562         // Add notification of reconfigure events
 563         // Note: No need to disconnect the previous signal as that QObject instance is destroyed
 564         connect(&opts->binding(), SIGNAL(config_changed()),
 565                 this, SLOT(on_config_changed()));
 566
 567         // Update sweep timing widgets.
 568         update_sample_count_selector();
 569         update_sample_rate_selector();
 570 }
 571
 572 void MainBar::commit_sample_rate()
 573 {
 574         uint64_t sample_rate = 0;
 575
 576         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 577         if (!device)
 578                 return;
 579
 580         const shared_ptr<sigrok::Device> sr_dev = device->device();
 581
 582         sample_rate = sample_rate_.value();
 583
 584         try {
 585                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 586                         Glib::Variant<guint64>::create(sample_rate));
 587                 update_sample_rate_selector();
 588         } catch (Error& error) {
 589                 qDebug() << tr("Failed to configure samplerate:") << error.what();
 590                 return;
 591         }
 592
 593         // Devices with built-in memory might impose limits on certain
 594         // configurations, so let's check what sample count the driver
 595         // lets us use now.
 596         update_sample_count_selector();
 597 }
 598
 599 void MainBar::commit_sample_count()
 600 {
 601         uint64_t sample_count = 0;
 602
 603         const shared_ptr<devices::Device> device = device_selector_.selected_device();
 604         if (!device)
 605                 return;
 606
 607         const shared_ptr<sigrok::Device> sr_dev = device->device();
 608
 609         sample_count = sample_count_.value();
 610         if (sample_count_supported_) {
 611                 try {
 612                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 613                                 Glib::Variant<guint64>::create(sample_count));
 614                         update_sample_count_selector();
 615                 } catch (Error& error) {
 616                         qDebug() << tr("Failed to configure sample count:") << error.what();
 617                         return;
 618                 }
 619         }
 620
 621         // Devices with built-in memory might impose limits on certain
 622         // configurations, so let's check what sample rate the driver
 623         // lets us use now.
 624         update_sample_rate_selector();
 625 }
 626
 627 void MainBar::show_session_error(const QString text, const QString info_text)
 628 {
 629         QMessageBox msg(this);
 630         msg.setText(text + "\n\n" + info_text);
 631         msg.setStandardButtons(QMessageBox::Ok);
 632         msg.setIcon(QMessageBox::Warning);
 633         msg.exec();
 634 }
 635
 636 void MainBar::export_file(shared_ptr<OutputFormat> format, bool selection_only, QString file_name)
 637 {
 638         using pv::dialogs::StoreProgress;
 639
 640         // Stop any currently running capture session
 641         session_.stop_capture();
 642
 643         QSettings settings;
 644         const QString dir = settings.value(SettingSaveDirectory).toString();
 645
 646         pair<uint64_t, uint64_t> sample_range;
 647
 648         // Selection only? Verify that the cursors are active and fetch their values
 649         if (selection_only) {
 650                 views::trace::View *trace_view =
 651                         qobject_cast<views::trace::View*>(session_.main_view().get());
 652
 653                 if (!trace_view->cursors()->enabled()) {
 654                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 655                                 "cursors before you can save the data enclosed by them " \
 656                                 "to a session file (e.g. using the Show Cursors button)."));
 657                         return;
 658                 }
 659
 660                 const double samplerate = session_.get_samplerate();
 661
 662                 const pv::util::Timestamp& start_time = trace_view->cursors()->first()->time();
 663                 const pv::util::Timestamp& end_time = trace_view->cursors()->second()->time();
 664
 665                 const uint64_t start_sample = (uint64_t)max(
 666                         0.0, start_time.convert_to<double>() * samplerate);
 667                 const uint64_t end_sample = (uint64_t)max(
 668                         0.0, end_time.convert_to<double>() * samplerate);
 669
 670                 if ((start_sample == 0) && (end_sample == 0)) {
 671                         // Both cursors are negative and were clamped to 0
 672                         show_session_error(tr("Invalid Range"), tr("The cursors don't " \
 673                                 "define a valid range of samples."));
 674                         return;
 675                 }
 676
 677                 sample_range = make_pair(start_sample, end_sample);
 678         } else {
 679                 sample_range = make_pair(0, 0);
 680         }
 681
 682         // Construct the filter
 683         const vector<string> exts = format->extensions();
 684         QString filter = tr("%1 files ").arg(
 685                 QString::fromStdString(format->description()));
 686
 687         if (exts.empty())
 688                 filter += "(*)";
 689         else
 690                 filter += QString("(*.%1);;%2 (*)").arg(
 691                         QString::fromStdString(join(exts, ", *.")),
 692                         tr("All Files"));
 693
 694         // Show the file dialog
 695         if (file_name.isEmpty())
 696                 file_name = QFileDialog::getSaveFileName(this, tr("Save File"), dir, filter);
 697
 698         if (file_name.isEmpty())
 699                 return;
 700
 701         const QString abs_path = QFileInfo(file_name).absolutePath();
 702         settings.setValue(SettingSaveDirectory, abs_path);
 703
 704         // Show the options dialog
 705         map<string, Glib::VariantBase> options;
 706         if (!format->options().empty()) {
 707                 dialogs::InputOutputOptions dlg(
 708                         tr("Export %1").arg(QString::fromStdString(
 709                                 format->description())),
 710                         format->options(), this);
 711                 if (!dlg.exec())
 712                         return;
 713                 options = dlg.options();
 714         }
 715
 716         if (!selection_only) {
 717                 if (format == session_.device_manager().context()->output_formats()["srzip"]) {
 718                         session_.set_save_path(QFileInfo(file_name).absolutePath());
 719                         session_.set_name(QFileInfo(file_name).fileName());
 720                 } else
 721                         session_.set_save_path("");
 722         }
 723
 724         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 725                 sample_range, session_, this);
 726         dlg->run();
 727 }
 728
 729 void MainBar::import_file(shared_ptr<InputFormat> format)
 730 {
 731         assert(format);
 732
 733         QSettings settings;
 734         const QString dir = settings.value(SettingOpenDirectory).toString();
 735
 736         // Construct the filter
 737         const vector<string> exts = format->extensions();
 738         const QString filter_exts = exts.empty() ? "" : QString::fromStdString("%1 (%2)").arg(
 739                 tr("%1 files").arg(QString::fromStdString(format->description())),
 740                 QString::fromStdString("*.%1").arg(QString::fromStdString(join(exts, " *."))));
 741         const QString filter_all = QString::fromStdString("%1 (%2)").arg(
 742                 tr("All Files"), QString::fromStdString("*"));
 743         const QString filter = QString::fromStdString("%1%2%3").arg(
 744                 exts.empty() ? "" : filter_exts,
 745                 exts.empty() ? "" : ";;",
 746                 filter_all);
 747
 748         // Show the file dialog
 749         const QString file_name = QFileDialog::getOpenFileName(
 750                 this, tr("Import File"), dir, filter);
 751
 752         if (file_name.isEmpty())
 753                 return;
 754
 755         // Show the options dialog
 756         map<string, Glib::VariantBase> options;
 757         if (!format->options().empty()) {
 758                 dialogs::InputOutputOptions dlg(
 759                         tr("Import %1").arg(QString::fromStdString(
 760                                 format->description())),
 761                         format->options(), this);
 762                 if (!dlg.exec())
 763                         return;
 764                 options = dlg.options();
 765         }
 766
 767         session_.load_file(file_name, "", format, options);
 768
 769         const QString abs_path = QFileInfo(file_name).absolutePath();
 770         settings.setValue(SettingOpenDirectory, abs_path);
 771 }
 772
 773 void MainBar::on_device_selected()
 774 {
 775         shared_ptr<devices::Device> device = device_selector_.selected_device();
 776
 777         if (device)
 778                 session_.select_device(device);
 779         else
 780                 reset_device_selector();
 781 }
 782
 783 void MainBar::on_device_changed()
 784 {
 785         update_device_list();
 786         update_device_config_widgets();
 787 }
 788
 789 void MainBar::on_capture_state_changed(int state)
 790 {
 791         set_capture_state((pv::Session::capture_state)state);
 792 }
 793
 794 void MainBar::on_sample_count_changed()
 795 {
 796         if (!updating_sample_count_)
 797                 commit_sample_count();
 798 }
 799
 800 void MainBar::on_sample_rate_changed()
 801 {
 802         if (!updating_sample_rate_)
 803                 commit_sample_rate();
 804 }
 805
 806 void MainBar::on_config_changed()
 807 {
 808         // We want to also call update_sample_rate_selector() here in case
 809         // the user changed the SR_CONF_EXTERNAL_CLOCK option. However,
 810         // commit_sample_rate() does this already, so we don't call it here
 811
 812         commit_sample_count();
 813         commit_sample_rate();
 814 }
 815
 816 void MainBar::on_actionNewView_triggered(QAction* action)
 817 {
 818         if (action)
 819                 new_view(&session_, action->data().toInt());
 820         else
 821                 // When the icon of the button is clicked, we create a trace view
 822                 new_view(&session_, views::ViewTypeTrace);
 823 }
 824
 825 void MainBar::on_actionOpen_triggered()
 826 {
 827         QSettings settings;
 828         const QString dir = settings.value(SettingOpenDirectory).toString();
 829
 830         // Show the dialog
 831         const QString file_name = QFileDialog::getOpenFileName(
 832                 this, tr("Open File"), dir, tr(
 833                         "sigrok Sessions (*.sr);;"
 834                         "All Files (*)"));
 835
 836         if (!file_name.isEmpty()) {
 837                 session_.load_file(file_name);
 838
 839                 const QString abs_path = QFileInfo(file_name).absolutePath();
 840                 settings.setValue(SettingOpenDirectory, abs_path);
 841         }
 842 }
 843
 844 void MainBar::on_actionSave_triggered()
 845 {
 846         // A path is only set if we loaded/saved an srzip file before
 847         if (session_.save_path().isEmpty()) {
 848                 on_actionSaveAs_triggered();
 849                 return;
 850         }
 851
 852         QFileInfo fi = QFileInfo(QDir(session_.save_path()), session_.name());
 853         export_file(session_.device_manager().context()->output_formats()["srzip"], false,
 854                 fi.absoluteFilePath());
 855 }
 856
 857 void MainBar::on_actionSaveAs_triggered()
 858 {
 859         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 860 }
 861
 862 void MainBar::on_actionSaveSelectionAs_triggered()
 863 {
 864         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 865 }
 866
 867 void MainBar::on_actionSaveSetup_triggered()
 868 {
 869         QSettings settings;
 870         const QString dir = settings.value(SettingSaveDirectory).toString();
 871
 872         const QString file_name = QFileDialog::getSaveFileName(
 873                 this, tr("Save File"), dir, tr(
 874                                 "PulseView Session Setups (*.pvs);;"
 875                                 "All Files (*)"));
 876
 877         if (file_name.isEmpty())
 878                 return;
 879
 880         QSettings settings_storage(file_name, QSettings::IniFormat);
 881         session_.save_setup(settings_storage);
 882 }
 883
 884 void MainBar::on_actionRestoreSetup_triggered()
 885 {
 886         QSettings settings;
 887         const QString dir = settings.value(SettingSaveDirectory).toString();
 888
 889         const QString file_name = QFileDialog::getOpenFileName(
 890                 this, tr("Open File"), dir, tr(
 891                                 "PulseView Session Setups (*.pvs);;"
 892                                 "All Files (*)"));
 893
 894         if (file_name.isEmpty())
 895                 return;
 896
 897         QSettings settings_storage(file_name, QSettings::IniFormat);
 898         session_.restore_setup(settings_storage);
 899 }
 900
 901 void MainBar::on_actionConnect_triggered()
 902 {
 903         // Stop any currently running capture session
 904         session_.stop_capture();
 905
 906         dialogs::Connect dlg(this, session_.device_manager());
 907
 908         // If the user selected a device, select it in the device list. Select the
 909         // current device otherwise.
 910         if (dlg.exec())
 911                 session_.select_device(dlg.get_selected_device());
 912
 913         update_device_list();
 914 }
 915
 916 void MainBar::on_add_decoder_clicked()
 917 {
 918         show_decoder_selector(&session_);
 919 }
 920
 921 void MainBar::on_add_math_signal_clicked()
 922 {
 923         shared_ptr<data::SignalBase> signal = make_shared<data::MathSignal>(session_);
 924         session_.add_generated_signal(signal);
 925 }
 926
 927 void MainBar::add_toolbar_widgets()
 928 {
 929         addWidget(new_view_button_);
 930         addSeparator();
 931         addWidget(open_button_);
 932         addWidget(save_button_);
 933         addSeparator();
 934
 935         StandardBar::add_toolbar_widgets();
 936
 937         addWidget(&device_selector_);
 938         configure_button_action_ = addWidget(&configure_button_);
 939         channels_button_action_ = addWidget(&channels_button_);
 940         addWidget(&sample_count_);
 941         addWidget(&sample_rate_);
 942 #ifdef ENABLE_DECODE
 943         addSeparator();
 944         addWidget(add_decoder_button_);
 945 #endif
 946         addWidget(add_math_signal_button_);
 947 }
 948
 949 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 950 {
 951         if (sample_count_supported_ && (watched == &sample_count_ ||
 952                 watched == &sample_rate_) &&
 953                 (event->type() == QEvent::ToolTip)) {
 954
 955                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 956                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 957
 958                 QString str = tr("Total sampling time: %1").arg(
 959                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 960                 QToolTip::showText(help_event->globalPos(), str);
 961
 962                 return true;
 963         }
 964
 965         return false;
 966 }
 967
 968 } // namespace toolbars
 969 } // namespace pv