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