pv/toolbars/mainbar.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012-2015 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <extdef.h>
  22
  23 #include <algorithm>
  24 #include <cassert>
  25
  26 #include <QAction>
  27 #include <QDebug>
  28 #include <QFileDialog>
  29 #include <QHelpEvent>
  30 #include <QMenu>
  31 #include <QMessageBox>
  32 #include <QSettings>
  33 #include <QToolTip>
  34
  35 #include "mainbar.hpp"
  36
  37 #include <boost/algorithm/string/join.hpp>
  38
  39 #include <pv/devicemanager.hpp>
  40 #include <pv/devices/hardwaredevice.hpp>
  41 #include <pv/devices/inputfile.hpp>
  42 #include <pv/devices/sessionfile.hpp>
  43 #include <pv/dialogs/connect.hpp>
  44 #include <pv/dialogs/inputoutputoptions.hpp>
  45 #include <pv/dialogs/storeprogress.hpp>
  46 #include <pv/mainwindow.hpp>
  47 #include <pv/popups/deviceoptions.hpp>
  48 #include <pv/popups/channels.hpp>
  49 #include <pv/util.hpp>
  50 #include <pv/view/view.hpp>
  51 #include <pv/widgets/exportmenu.hpp>
  52 #include <pv/widgets/importmenu.hpp>
  53 #ifdef ENABLE_DECODE
  54 #include <pv/widgets/decodermenu.hpp>
  55 #endif
  56
  57 #include <libsigrokcxx/libsigrokcxx.hpp>
  58
  59 using std::back_inserter;
  60 using std::cerr;
  61 using std::copy;
  62 using std::endl;
  63 using std::list;
  64 using std::map;
  65 using std::max;
  66 using std::min;
  67 using std::pair;
  68 using std::shared_ptr;
  69 using std::string;
  70 using std::vector;
  71
  72 using sigrok::Capability;
  73 using sigrok::ConfigKey;
  74 using sigrok::Error;
  75 using sigrok::InputFormat;
  76 using sigrok::OutputFormat;
  77
  78 using boost::algorithm::join;
  79
  80 namespace pv {
  81 namespace toolbars {
  82
  83 const uint64_t MainBar::MinSampleCount = 100ULL;
  84 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
  85 const uint64_t MainBar::DefaultSampleCount = 1000000;
  86
  87 const char *MainBar::SettingOpenDirectory = "MainWindow/OpenDirectory";
  88 const char *MainBar::SettingSaveDirectory = "MainWindow/SaveDirectory";
  89
  90 MainBar::MainBar(Session &session, MainWindow &main_window) :
  91         QToolBar("Sampling Bar", &main_window),
  92         action_new_session_(new QAction(this)),
  93         action_new_view_(new QAction(this)),
  94         action_open_(new QAction(this)),
  95         action_save_as_(new QAction(this)),
  96         action_save_selection_as_(new QAction(this)),
  97         action_connect_(new QAction(this)),
  98         action_view_zoom_in_(new QAction(this)),
  99         action_view_zoom_out_(new QAction(this)),
 100         action_view_zoom_fit_(new QAction(this)),
 101         action_view_zoom_one_to_one_(new QAction(this)),
 102         action_view_show_cursors_(new QAction(this)),
 103         session_(session),
 104         device_selector_(&main_window, session.device_manager(),
 105                 action_connect_),
 106         configure_button_(this),
 107         configure_button_action_(nullptr),
 108         channels_button_(this),
 109         channels_button_action_(nullptr),
 110         sample_count_(" samples", this),
 111         sample_rate_("Hz", this),
 112         updating_sample_rate_(false),
 113         updating_sample_count_(false),
 114         sample_count_supported_(false),
 115         icon_red_(":/icons/status-red.svg"),
 116         icon_green_(":/icons/status-green.svg"),
 117         icon_grey_(":/icons/status-grey.svg"),
 118         run_stop_button_(this),
 119         run_stop_button_action_(nullptr)
 120 #ifdef ENABLE_DECODE
 121         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 122 #endif
 123 {
 124         setObjectName(QString::fromUtf8("MainBar"));
 125
 126         setMovable(false);
 127         setFloatable(false);
 128         setContextMenuPolicy(Qt::PreventContextMenu);
 129
 130         // Actions
 131         action_new_session_->setText(tr("New &Session"));
 132         action_new_session_->setIcon(QIcon::fromTheme("document-new",
 133                 QIcon(":/icons/document-new.png")));
 134         connect(action_new_session_, SIGNAL(triggered(bool)),
 135                 this, SLOT(on_actionNewSession_triggered()));
 136
 137         action_new_view_->setText(tr("New &View"));
 138         action_new_view_->setIcon(QIcon::fromTheme("window-new",
 139                 QIcon(":/icons/window-new.png")));
 140         connect(action_new_view_, SIGNAL(triggered(bool)),
 141                 this, SLOT(on_actionNewView_triggered()));
 142
 143         action_open_->setText(tr("&Open..."));
 144         action_open_->setIcon(QIcon::fromTheme("document-open",
 145                 QIcon(":/icons/document-open.png")));
 146         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 147         connect(action_open_, SIGNAL(triggered(bool)),
 148                 this, SLOT(on_actionOpen_triggered()));
 149
 150         action_save_as_->setText(tr("&Save As..."));
 151         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 152                 QIcon(":/icons/document-save-as.png")));
 153         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 154         connect(action_save_as_, SIGNAL(triggered(bool)),
 155                 this, SLOT(on_actionSaveAs_triggered()));
 156
 157         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 158         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 159                 QIcon(":/icons/document-save-as.png")));
 160         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 161         connect(action_save_selection_as_, SIGNAL(triggered(bool)),
 162                 this, SLOT(on_actionSaveSelectionAs_triggered()));
 163
 164         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 165                 session.device_manager().context());
 166         menu_file_export->setTitle(tr("&Export"));
 167         connect(menu_file_export,
 168                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 169                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 170
 171         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 172                 session.device_manager().context());
 173         menu_file_import->setTitle(tr("&Import"));
 174         connect(menu_file_import,
 175                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 176                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 177
 178         action_connect_->setText(tr("&Connect to Device..."));
 179         connect(action_connect_, SIGNAL(triggered(bool)),
 180                 this, SLOT(on_actionConnect_triggered()));
 181
 182         action_view_zoom_in_->setText(tr("Zoom &In"));
 183         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 184                 QIcon(":/icons/zoom-in.png")));
 185         // simply using Qt::Key_Plus shows no + in the menu
 186         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 187         connect(action_view_zoom_in_, SIGNAL(triggered(bool)),
 188                 this, SLOT(on_actionViewZoomIn_triggered()));
 189
 190         action_view_zoom_out_->setText(tr("Zoom &Out"));
 191         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 192                 QIcon(":/icons/zoom-out.png")));
 193         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 194         connect(action_view_zoom_out_, SIGNAL(triggered(bool)),
 195                 this, SLOT(on_actionViewZoomOut_triggered()));
 196
 197         action_view_zoom_fit_->setCheckable(true);
 198         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 199         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 200                 QIcon(":/icons/zoom-fit.png")));
 201         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 202         connect(action_view_zoom_fit_, SIGNAL(triggered(bool)),
 203                 this, SLOT(on_actionViewZoomFit_triggered()));
 204
 205         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 206         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 207                 QIcon(":/icons/zoom-original.png")));
 208         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 209         connect(action_view_zoom_one_to_one_, SIGNAL(triggered(bool)),
 210                 this, SLOT(on_actionViewZoomOneToOne_triggered()));
 211
 212         action_view_show_cursors_->setCheckable(true);
 213         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 214                 QIcon(":/icons/show-cursors.svg")));
 215         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 216         connect(action_view_show_cursors_, SIGNAL(triggered(bool)),
 217                 this, SLOT(on_actionViewShowCursors_triggered()));
 218         action_view_show_cursors_->setText(tr("Show &Cursors"));
 219
 220         // Open button
 221         QToolButton *const open_button = new QToolButton(this);
 222
 223         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
 224                 session.device_manager().context(), action_open_);
 225         connect(import_menu,
 226                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 227                 this,
 228                 SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 229
 230         open_button->setMenu(import_menu);
 231         open_button->setDefaultAction(action_open_);
 232         open_button->setPopupMode(QToolButton::MenuButtonPopup);
 233
 234         // Save button
 235         QToolButton *const save_button = new QToolButton(this);
 236
 237         vector<QAction *> open_actions;
 238         open_actions.push_back(action_save_as_);
 239         open_actions.push_back(action_save_selection_as_);
 240
 241         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 242                 session.device_manager().context(),
 243                 open_actions);
 244         connect(export_menu,
 245                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 246                 this,
 247                 SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 248
 249         save_button->setMenu(export_menu);
 250         save_button->setDefaultAction(action_save_as_);
 251         save_button->setPopupMode(QToolButton::MenuButtonPopup);
 252
 253         // Device selector menu
 254         connect(&device_selector_, SIGNAL(device_selected()),
 255                 this, SLOT(on_device_selected()));
 256
 257         // Setup the decoder button
 258 #ifdef ENABLE_DECODE
 259         menu_decoders_add_->setTitle(tr("&Add"));
 260         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 261                 this, SLOT(add_decoder(srd_decoder*)));
 262
 263         QToolButton *add_decoder_button = new QToolButton(this);
 264         add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
 265                 QIcon(":/icons/add-decoder.svg")));
 266         add_decoder_button->setPopupMode(QToolButton::InstantPopup);
 267         add_decoder_button->setMenu(menu_decoders_add_);
 268 #endif
 269
 270         // Setup the toolbar
 271         addAction(action_new_session_);
 272         addAction(action_new_view_);
 273         addSeparator();
 274         addWidget(open_button);
 275         addWidget(save_button);
 276         addSeparator();
 277         addAction(action_view_zoom_in_);
 278         addAction(action_view_zoom_out_);
 279         addAction(action_view_zoom_fit_);
 280         addAction(action_view_zoom_one_to_one_);
 281         addSeparator();
 282         addAction(action_view_show_cursors_);
 283         addSeparator();
 284
 285         connect(&run_stop_button_, SIGNAL(clicked()),
 286                 this, SLOT(on_run_stop()));
 287         connect(&sample_count_, SIGNAL(value_changed()),
 288                 this, SLOT(on_sample_count_changed()));
 289         connect(&sample_rate_, SIGNAL(value_changed()),
 290                 this, SLOT(on_sample_rate_changed()));
 291
 292         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 293
 294         set_capture_state(pv::Session::Stopped);
 295
 296         configure_button_.setIcon(QIcon::fromTheme("configure",
 297                 QIcon(":/icons/configure.png")));
 298
 299         channels_button_.setIcon(QIcon::fromTheme("channels",
 300                 QIcon(":/icons/channels.svg")));
 301
 302         run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 303
 304         addWidget(&device_selector_);
 305         configure_button_action_ = addWidget(&configure_button_);
 306         channels_button_action_ = addWidget(&channels_button_);
 307         addWidget(&sample_count_);
 308         addWidget(&sample_rate_);
 309         run_stop_button_action_ = addWidget(&run_stop_button_);
 310 #ifdef ENABLE_DECODE
 311         addSeparator();
 312         addWidget(add_decoder_button);
 313 #endif
 314
 315         sample_count_.installEventFilter(this);
 316         sample_rate_.installEventFilter(this);
 317
 318         // Setup session_ events
 319         connect(&session_, SIGNAL(capture_state_changed(int)),
 320                 this, SLOT(capture_state_changed(int)));
 321         connect(&session, SIGNAL(device_changed()),
 322                 this, SLOT(on_device_changed()));
 323
 324         update_device_list();
 325 }
 326
 327 Session &MainBar::session(void) const
 328 {
 329         return session_;
 330 }
 331
 332 void MainBar::update_device_list()
 333 {
 334         DeviceManager &mgr = session_.device_manager();
 335         shared_ptr<devices::Device> selected_device = session_.device();
 336         list< shared_ptr<devices::Device> > devs;
 337
 338         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 339
 340         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 341                 devs.push_back(selected_device);
 342
 343         device_selector_.set_device_list(devs, selected_device);
 344         update_device_config_widgets();
 345 }
 346
 347
 348 void MainBar::set_capture_state(pv::Session::capture_state state)
 349 {
 350         const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
 351         run_stop_button_.setIcon(*icons[state]);
 352         run_stop_button_.setText((state == pv::Session::Stopped) ?
 353                 tr("Run") : tr("Stop"));
 354         run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
 355
 356         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 357
 358         device_selector_.setEnabled(ui_enabled);
 359         configure_button_.setEnabled(ui_enabled);
 360         channels_button_.setEnabled(ui_enabled);
 361         sample_count_.setEnabled(ui_enabled);
 362         sample_rate_.setEnabled(ui_enabled);
 363 }
 364
 365 void MainBar::reset_device_selector()
 366 {
 367         device_selector_.reset();
 368 }
 369
 370 void MainBar::select_device(shared_ptr<devices::Device> device)
 371 {
 372         try {
 373                 if (device)
 374                         session_.set_device(device);
 375                 else
 376                         session_.set_default_device();
 377         } catch (const QString &e) {
 378                 QMessageBox msg(this);
 379                 msg.setText(e);
 380                 msg.setInformativeText(tr("Failed to Select Device"));
 381                 msg.setStandardButtons(QMessageBox::Ok);
 382                 msg.setIcon(QMessageBox::Warning);
 383                 msg.exec();
 384         }
 385 }
 386
 387 void MainBar::load_init_file(const std::string &file_name,
 388         const std::string &format)
 389 {
 390         shared_ptr<InputFormat> input_format;
 391
 392         DeviceManager& device_manager = session_.device_manager();
 393
 394         if (!format.empty()) {
 395                 const map<string, shared_ptr<InputFormat> > formats =
 396                         device_manager.context()->input_formats();
 397                 const auto iter = find_if(formats.begin(), formats.end(),
 398                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 399                                 return f.first == format; });
 400                 if (iter == formats.end()) {
 401                         cerr << "Unexpected input format: " << format << endl;
 402                         return;
 403                 }
 404
 405                 input_format = (*iter).second;
 406         }
 407
 408         load_file(QString::fromStdString(file_name), input_format);
 409 }
 410
 411 QAction* MainBar::action_open() const
 412 {
 413         return action_open_;
 414 }
 415
 416 QAction* MainBar::action_save_as() const
 417 {
 418         return action_save_as_;
 419 }
 420
 421 QAction* MainBar::action_save_selection_as() const
 422 {
 423         return action_save_selection_as_;
 424 }
 425
 426 QAction* MainBar::action_connect() const
 427 {
 428         return action_connect_;
 429 }
 430
 431 QAction* MainBar::action_view_zoom_in() const
 432 {
 433         return action_view_zoom_in_;
 434 }
 435
 436 QAction* MainBar::action_view_zoom_out() const
 437 {
 438         return action_view_zoom_out_;
 439 }
 440
 441 QAction* MainBar::action_view_zoom_fit() const
 442 {
 443         return action_view_zoom_fit_;
 444 }
 445
 446 QAction* MainBar::action_view_zoom_one_to_one() const
 447 {
 448         return action_view_zoom_one_to_one_;
 449 }
 450
 451 QAction* MainBar::action_view_show_cursors() const
 452 {
 453         return action_view_show_cursors_;
 454 }
 455
 456 void MainBar::run_stop()
 457 {
 458         switch (session_.get_capture_state()) {
 459         case Session::Stopped:
 460                 session_.start_capture([&](QString message) {
 461                         session_error("Capture failed", message); });
 462                 break;
 463         case Session::AwaitingTrigger:
 464         case Session::Running:
 465                 session_.stop_capture();
 466                 break;
 467         }
 468 }
 469
 470 void MainBar::load_file(QString file_name,
 471         std::shared_ptr<sigrok::InputFormat> format,
 472         const std::map<std::string, Glib::VariantBase> &options)
 473 {
 474         DeviceManager& device_manager = session_.device_manager();
 475
 476         const QString errorMessage(
 477                 QString("Failed to load file %1").arg(file_name));
 478
 479         try {
 480                 if (format)
 481                         session_.set_device(shared_ptr<devices::Device>(
 482                                 new devices::InputFile(
 483                                         device_manager.context(),
 484                                         file_name.toStdString(),
 485                                         format, options)));
 486                 else
 487                         session_.set_device(shared_ptr<devices::Device>(
 488                                 new devices::SessionFile(
 489                                         device_manager.context(),
 490                                         file_name.toStdString())));
 491         } catch (Error e) {
 492                 show_session_error(tr("Failed to load ") + file_name, e.what());
 493                 session_.set_default_device();
 494                 update_device_list();
 495                 return;
 496         }
 497
 498         update_device_list();
 499
 500         session_.start_capture([&, errorMessage](QString infoMessage) {
 501                 session_error(errorMessage, infoMessage); });
 502
 503         session_.set_name(QFileInfo(file_name).fileName());
 504 }
 505
 506 void MainBar::update_sample_rate_selector()
 507 {
 508         Glib::VariantContainerBase gvar_dict;
 509         GVariant *gvar_list;
 510         const uint64_t *elements = nullptr;
 511         gsize num_elements;
 512         map< const ConfigKey*, std::set<Capability> > keys;
 513
 514         if (updating_sample_rate_) {
 515                 sample_rate_.show_none();
 516                 return;
 517         }
 518
 519         const shared_ptr<devices::Device> device =
 520                 device_selector_.selected_device();
 521         if (!device)
 522                 return;
 523
 524         assert(!updating_sample_rate_);
 525         updating_sample_rate_ = true;
 526
 527         const shared_ptr<sigrok::Device> sr_dev = device->device();
 528
 529         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 530                 gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 531         } else {
 532                 sample_rate_.show_none();
 533                 updating_sample_rate_ = false;
 534                 return;
 535         }
 536
 537         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 538                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 539                 elements = (const uint64_t *)g_variant_get_fixed_array(
 540                                 gvar_list, &num_elements, sizeof(uint64_t));
 541
 542                 const uint64_t min = elements[0];
 543                 const uint64_t max = elements[1];
 544                 const uint64_t step = elements[2];
 545
 546                 g_variant_unref(gvar_list);
 547
 548                 assert(min > 0);
 549                 assert(max > 0);
 550                 assert(max > min);
 551                 assert(step > 0);
 552
 553                 if (step == 1)
 554                         sample_rate_.show_125_list(min, max);
 555                 else {
 556                         // When the step is not 1, we cam't make a 1-2-5-10
 557                         // list of sample rates, because we may not be able to
 558                         // make round numbers. Therefore in this case, show a
 559                         // spin box.
 560                         sample_rate_.show_min_max_step(min, max, step);
 561                 }
 562         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 563                         "samplerates", G_VARIANT_TYPE("at")))) {
 564                 elements = (const uint64_t *)g_variant_get_fixed_array(
 565                                 gvar_list, &num_elements, sizeof(uint64_t));
 566                 sample_rate_.show_list(elements, num_elements);
 567                 g_variant_unref(gvar_list);
 568         }
 569         updating_sample_rate_ = false;
 570
 571         update_sample_rate_selector_value();
 572 }
 573
 574 void MainBar::update_sample_rate_selector_value()
 575 {
 576         if (updating_sample_rate_)
 577                 return;
 578
 579         const shared_ptr<devices::Device> device =
 580                 device_selector_.selected_device();
 581         if (!device)
 582                 return;
 583
 584         try {
 585                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 586                 uint64_t samplerate =
 587                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 588                 assert(!updating_sample_rate_);
 589                 updating_sample_rate_ = true;
 590                 sample_rate_.set_value(samplerate);
 591                 updating_sample_rate_ = false;
 592         } catch (Error error) {
 593                 qDebug() << "WARNING: Failed to get value of sample rate";
 594                 return;
 595         }
 596 }
 597
 598 void MainBar::update_sample_count_selector()
 599 {
 600         if (updating_sample_count_)
 601                 return;
 602
 603         const shared_ptr<devices::Device> device =
 604                 device_selector_.selected_device();
 605         if (!device)
 606                 return;
 607
 608         const shared_ptr<sigrok::Device> sr_dev = device->device();
 609
 610         assert(!updating_sample_count_);
 611         updating_sample_count_ = true;
 612
 613         if (!sample_count_supported_) {
 614                 sample_count_.show_none();
 615                 updating_sample_count_ = false;
 616                 return;
 617         }
 618
 619         uint64_t sample_count = sample_count_.value();
 620         uint64_t min_sample_count = 0;
 621         uint64_t max_sample_count = MaxSampleCount;
 622
 623         if (sample_count == 0)
 624                 sample_count = DefaultSampleCount;
 625
 626         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 627                 auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 628                 if (gvar.gobj())
 629                         g_variant_get(gvar.gobj(), "(tt)",
 630                                 &min_sample_count, &max_sample_count);
 631         }
 632
 633         min_sample_count = min(max(min_sample_count, MinSampleCount),
 634                 max_sample_count);
 635
 636         sample_count_.show_125_list(
 637                 min_sample_count, max_sample_count);
 638
 639         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 640                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 641                 sample_count = g_variant_get_uint64(gvar.gobj());
 642                 if (sample_count == 0)
 643                         sample_count = DefaultSampleCount;
 644                 sample_count = min(max(sample_count, MinSampleCount),
 645                         max_sample_count);
 646         }
 647
 648         sample_count_.set_value(sample_count);
 649
 650         updating_sample_count_ = false;
 651 }
 652
 653 void MainBar::update_device_config_widgets()
 654 {
 655         using namespace pv::popups;
 656
 657         const shared_ptr<devices::Device> device =
 658                 device_selector_.selected_device();
 659
 660         // Hide the widgets if no device is selected
 661         channels_button_action_->setVisible(!!device);
 662         run_stop_button_action_->setVisible(!!device);
 663         if (!device) {
 664                 configure_button_action_->setVisible(false);
 665                 sample_count_.show_none();
 666                 sample_rate_.show_none();
 667                 return;
 668         }
 669
 670         const shared_ptr<sigrok::Device> sr_dev = device->device();
 671         if (!sr_dev)
 672                 return;
 673
 674         // Update the configure popup
 675         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 676         configure_button_action_->setVisible(
 677                 !opts->binding().properties().empty());
 678         configure_button_.set_popup(opts);
 679
 680         // Update the channels popup
 681         Channels *const channels = new Channels(session_, this);
 682         channels_button_.set_popup(channels);
 683
 684         // Update supported options.
 685         sample_count_supported_ = false;
 686
 687         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 688                 sample_count_supported_ = true;
 689
 690         if (sr_dev->config_check(ConfigKey::LIMIT_FRAMES, Capability::SET)) {
 691                 sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
 692                         Glib::Variant<guint64>::create(1));
 693                         on_config_changed();
 694         }
 695
 696         // Add notification of reconfigure events
 697         disconnect(this, SLOT(on_config_changed()));
 698         connect(&opts->binding(), SIGNAL(config_changed()),
 699                 this, SLOT(on_config_changed()));
 700
 701         // Update sweep timing widgets.
 702         update_sample_count_selector();
 703         update_sample_rate_selector();
 704 }
 705
 706 void MainBar::commit_sample_rate()
 707 {
 708         uint64_t sample_rate = 0;
 709
 710         const shared_ptr<devices::Device> device =
 711                 device_selector_.selected_device();
 712         if (!device)
 713                 return;
 714
 715         const shared_ptr<sigrok::Device> sr_dev = device->device();
 716
 717         sample_rate = sample_rate_.value();
 718         if (sample_rate == 0)
 719                 return;
 720
 721         try {
 722                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 723                         Glib::Variant<guint64>::create(sample_rate));
 724                 update_sample_rate_selector();
 725         } catch (Error error) {
 726                 qDebug() << "Failed to configure samplerate.";
 727                 return;
 728         }
 729
 730         // Devices with built-in memory might impose limits on certain
 731         // configurations, so let's check what sample count the driver
 732         // lets us use now.
 733         update_sample_count_selector();
 734 }
 735
 736 void MainBar::commit_sample_count()
 737 {
 738         uint64_t sample_count = 0;
 739
 740         const shared_ptr<devices::Device> device =
 741                 device_selector_.selected_device();
 742         if (!device)
 743                 return;
 744
 745         const shared_ptr<sigrok::Device> sr_dev = device->device();
 746
 747         sample_count = sample_count_.value();
 748         if (sample_count_supported_) {
 749                 try {
 750                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 751                                 Glib::Variant<guint64>::create(sample_count));
 752                         update_sample_count_selector();
 753                 } catch (Error error) {
 754                         qDebug() << "Failed to configure sample count.";
 755                         return;
 756                 }
 757         }
 758
 759         // Devices with built-in memory might impose limits on certain
 760         // configurations, so let's check what sample rate the driver
 761         // lets us use now.
 762         update_sample_rate_selector();
 763 }
 764
 765 void MainBar::session_error(const QString text, const QString info_text)
 766 {
 767         QMetaObject::invokeMethod(this, "show_session_error",
 768                 Qt::QueuedConnection, Q_ARG(QString, text),
 769                 Q_ARG(QString, info_text));
 770 }
 771
 772 void MainBar::show_session_error(const QString text, const QString info_text)
 773 {
 774         QMessageBox msg(this);
 775         msg.setText(text);
 776         msg.setInformativeText(info_text);
 777         msg.setStandardButtons(QMessageBox::Ok);
 778         msg.setIcon(QMessageBox::Warning);
 779         msg.exec();
 780 }
 781
 782 void MainBar::capture_state_changed(int state)
 783 {
 784         set_capture_state((pv::Session::capture_state)state);
 785 }
 786
 787 void MainBar::add_decoder(srd_decoder *decoder)
 788 {
 789 #ifdef ENABLE_DECODE
 790         assert(decoder);
 791         session_.add_decoder(decoder);
 792 #else
 793         (void)decoder;
 794 #endif
 795 }
 796
 797 void MainBar::export_file(shared_ptr<OutputFormat> format,
 798         bool selection_only)
 799 {
 800         using pv::dialogs::StoreProgress;
 801
 802         // Stop any currently running capture session
 803         session_.stop_capture();
 804
 805         QSettings settings;
 806         const QString dir = settings.value(SettingSaveDirectory).toString();
 807
 808         std::pair<uint64_t, uint64_t> sample_range;
 809
 810         // Selection only? Verify that the cursors are active and fetch their values
 811         if (selection_only) {
 812                 if (!session_.main_view()->cursors()->enabled()) {
 813                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 814                                         "cursors before you can save the data enclosed by them " \
 815                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 816                         return;
 817                 }
 818
 819                 const double samplerate = session_.get_samplerate();
 820
 821                 const pv::util::Timestamp& start_time = session_.main_view()->cursors()->first()->time();
 822                 const pv::util::Timestamp& end_time = session_.main_view()->cursors()->second()->time();
 823
 824                 const uint64_t start_sample =
 825                         std::max((double)0, start_time.convert_to<double>() * samplerate);
 826                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 827
 828                 sample_range = std::make_pair(start_sample, end_sample);
 829         } else {
 830                 sample_range = std::make_pair(0, 0);
 831         }
 832
 833         // Construct the filter
 834         const vector<string> exts = format->extensions();
 835         QString filter = tr("%1 files ").arg(
 836                 QString::fromStdString(format->description()));
 837
 838         if (exts.empty())
 839                 filter += "(*.*)";
 840         else
 841                 filter += QString("(*.%1);;%2 (*.*)").arg(
 842                         QString::fromStdString(join(exts, ", *.")),
 843                         tr("All Files"));
 844
 845         // Show the file dialog
 846         const QString file_name = QFileDialog::getSaveFileName(
 847                 this, tr("Save File"), dir, filter);
 848
 849         if (file_name.isEmpty())
 850                 return;
 851
 852         const QString abs_path = QFileInfo(file_name).absolutePath();
 853         settings.setValue(SettingSaveDirectory, abs_path);
 854
 855         // Show the options dialog
 856         map<string, Glib::VariantBase> options;
 857         if (!format->options().empty()) {
 858                 dialogs::InputOutputOptions dlg(
 859                         tr("Export %1").arg(QString::fromStdString(
 860                                 format->description())),
 861                         format->options(), this);
 862                 if (!dlg.exec())
 863                         return;
 864                 options = dlg.options();
 865         }
 866
 867         session_.set_name(QFileInfo(file_name).fileName());
 868
 869         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 870                 sample_range, session_, this);
 871         dlg->run();
 872 }
 873
 874 void MainBar::import_file(shared_ptr<InputFormat> format)
 875 {
 876         assert(format);
 877
 878         QSettings settings;
 879         const QString dir = settings.value(SettingOpenDirectory).toString();
 880
 881         // Construct the filter
 882         const vector<string> exts = format->extensions();
 883         const QString filter = exts.empty() ? "" :
 884                 tr("%1 files (*.%2)").arg(
 885                         QString::fromStdString(format->description()),
 886                         QString::fromStdString(join(exts, ", *.")));
 887
 888         // Show the file dialog
 889         const QString file_name = QFileDialog::getOpenFileName(
 890                 this, tr("Import File"), dir, tr(
 891                         "%1 files (*.*);;All Files (*.*)").arg(
 892                         QString::fromStdString(format->description())));
 893
 894         if (file_name.isEmpty())
 895                 return;
 896
 897         // Show the options dialog
 898         map<string, Glib::VariantBase> options;
 899         if (!format->options().empty()) {
 900                 dialogs::InputOutputOptions dlg(
 901                         tr("Import %1").arg(QString::fromStdString(
 902                                 format->description())),
 903                         format->options(), this);
 904                 if (!dlg.exec())
 905                         return;
 906                 options = dlg.options();
 907         }
 908
 909         load_file(file_name, format, options);
 910
 911         const QString abs_path = QFileInfo(file_name).absolutePath();
 912         settings.setValue(SettingOpenDirectory, abs_path);
 913 }
 914
 915 void MainBar::on_device_selected()
 916 {
 917         shared_ptr<devices::Device> device = device_selector_.selected_device();
 918         if (!device) {
 919                 reset_device_selector();
 920                 return;
 921         }
 922
 923         select_device(device);
 924 }
 925
 926 void MainBar::on_device_changed()
 927 {
 928         update_device_list();
 929         update_device_config_widgets();
 930 }
 931
 932 void MainBar::on_sample_count_changed()
 933 {
 934         if (!updating_sample_count_)
 935                 commit_sample_count();
 936 }
 937
 938 void MainBar::on_sample_rate_changed()
 939 {
 940         if (!updating_sample_rate_)
 941                 commit_sample_rate();
 942 }
 943
 944 void MainBar::on_run_stop()
 945 {
 946         commit_sample_count();
 947         commit_sample_rate();
 948         run_stop();
 949 }
 950
 951 void MainBar::on_config_changed()
 952 {
 953         commit_sample_count();
 954         commit_sample_rate();
 955 }
 956
 957 void MainBar::on_actionNewSession_triggered()
 958 {
 959         new_session();
 960 }
 961
 962 void MainBar::on_actionNewView_triggered()
 963 {
 964         new_view(&session_);
 965 }
 966
 967 void MainBar::on_actionOpen_triggered()
 968 {
 969         QSettings settings;
 970         const QString dir = settings.value(SettingOpenDirectory).toString();
 971
 972         // Show the dialog
 973         const QString file_name = QFileDialog::getOpenFileName(
 974                 this, tr("Open File"), dir, tr(
 975                         "Sigrok Sessions (*.sr);;"
 976                         "All Files (*.*)"));
 977
 978         if (!file_name.isEmpty()) {
 979                 load_file(file_name);
 980
 981                 const QString abs_path = QFileInfo(file_name).absolutePath();
 982                 settings.setValue(SettingOpenDirectory, abs_path);
 983         }
 984 }
 985
 986 void MainBar::on_actionSaveAs_triggered()
 987 {
 988         export_file(session_.device_manager().context()->output_formats()["srzip"]);
 989 }
 990
 991 void MainBar::on_actionSaveSelectionAs_triggered()
 992 {
 993         export_file(session_.device_manager().context()->output_formats()["srzip"], true);
 994 }
 995
 996 void MainBar::on_actionConnect_triggered()
 997 {
 998         // Stop any currently running capture session
 999         session_.stop_capture();
1000
1001         dialogs::Connect dlg(this, session_.device_manager());
1002
1003         // If the user selected a device, select it in the device list. Select the
1004         // current device otherwise.
1005         if (dlg.exec())
1006                 select_device(dlg.get_selected_device());
1007
1008         update_device_list();
1009 }
1010
1011 void MainBar::on_actionViewZoomIn_triggered()
1012 {
1013         session_.main_view()->zoom(1);
1014 }
1015
1016 void MainBar::on_actionViewZoomOut_triggered()
1017 {
1018         session_.main_view()->zoom(-1);
1019 }
1020
1021 void MainBar::on_actionViewZoomFit_triggered()
1022 {
1023         session_.main_view()->zoom_fit(action_view_zoom_fit_->isChecked());
1024 }
1025
1026 void MainBar::on_actionViewZoomOneToOne_triggered()
1027 {
1028         session_.main_view()->zoom_one_to_one();
1029 }
1030
1031 void MainBar::on_actionViewShowCursors_triggered()
1032 {
1033         const bool show = !session_.main_view()->cursors_shown();
1034         if (show)
1035                 session_.main_view()->centre_cursors();
1036
1037         session_.main_view()->show_cursors(show);
1038 }
1039
1040 void MainBar::on_always_zoom_to_fit_changed(bool state)
1041 {
1042         action_view_zoom_fit_->setChecked(state);
1043 }
1044
1045 bool MainBar::eventFilter(QObject *watched, QEvent *event)
1046 {
1047         if (sample_count_supported_ && (watched == &sample_count_ ||
1048                         watched == &sample_rate_) &&
1049                         (event->type() == QEvent::ToolTip)) {
1050                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
1051                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
1052
1053                 QString str = tr("Total sampling time: %1").arg(
1054                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
1055                 QToolTip::showText(help_event->globalPos(), str);
1056
1057                 return true;
1058         }
1059
1060         return false;
1061 }
1062
1063 } // namespace toolbars
1064 } // namespace pv