pv/mainwindow.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012 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 <cassert>
  22
  23 #ifdef ENABLE_DECODE
  24 #include <libsigrokdecode/libsigrokdecode.h>
  25 #endif
  26
  27 #include <algorithm>
  28 #include <iterator>
  29
  30 #include <boost/algorithm/string/join.hpp>
  31
  32 #include <QAction>
  33 #include <QApplication>
  34 #include <QButtonGroup>
  35 #include <QCloseEvent>
  36 #include <QFileDialog>
  37 #include <QMessageBox>
  38 #include <QMenu>
  39 #include <QMenuBar>
  40 #include <QSettings>
  41 #include <QStatusBar>
  42 #include <QVBoxLayout>
  43 #include <QWidget>
  44
  45 #include "mainwindow.hpp"
  46
  47 #include "devicemanager.hpp"
  48 #include "util.hpp"
  49 #include "data/segment.hpp"
  50 #include "devices/hardwaredevice.hpp"
  51 #include "devices/inputfile.hpp"
  52 #include "devices/sessionfile.hpp"
  53 #include "dialogs/about.hpp"
  54 #include "dialogs/connect.hpp"
  55 #include "dialogs/inputoutputoptions.hpp"
  56 #include "dialogs/storeprogress.hpp"
  57 #include "toolbars/mainbar.hpp"
  58 #include "view/logicsignal.hpp"
  59 #include "view/view.hpp"
  60 #include "widgets/exportmenu.hpp"
  61 #include "widgets/importmenu.hpp"
  62 #ifdef ENABLE_DECODE
  63 #include "widgets/decodermenu.hpp"
  64 #endif
  65 #include "widgets/hidingmenubar.hpp"
  66
  67 #include <inttypes.h>
  68 #include <stdint.h>
  69 #include <stdarg.h>
  70 #include <glib.h>
  71 #include <libsigrokcxx/libsigrokcxx.hpp>
  72
  73 using std::cerr;
  74 using std::endl;
  75 using std::list;
  76 using std::map;
  77 using std::pair;
  78 using std::shared_ptr;
  79 using std::string;
  80 using std::vector;
  81
  82 using boost::algorithm::join;
  83
  84 using sigrok::Error;
  85 using sigrok::OutputFormat;
  86 using sigrok::InputFormat;
  87
  88 namespace pv {
  89
  90 namespace view {
  91 class ViewItem;
  92 }
  93
  94 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  95 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
  96
  97 MainWindow::MainWindow(DeviceManager &device_manager,
  98         string open_file_name, string open_file_format,
  99         QWidget *parent) :
 100         QMainWindow(parent),
 101         device_manager_(device_manager),
 102         session_(device_manager),
 103         action_open_(new QAction(this)),
 104         action_save_as_(new QAction(this)),
 105         action_save_selection_as_(new QAction(this)),
 106         action_connect_(new QAction(this)),
 107         action_quit_(new QAction(this)),
 108         action_view_zoom_in_(new QAction(this)),
 109         action_view_zoom_out_(new QAction(this)),
 110         action_view_zoom_fit_(new QAction(this)),
 111         action_view_zoom_one_to_one_(new QAction(this)),
 112         action_view_sticky_scrolling_(new QAction(this)),
 113         action_view_show_cursors_(new QAction(this)),
 114         action_about_(new QAction(this))
 115 #ifdef ENABLE_DECODE
 116         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 117 #endif
 118 {
 119         setup_ui();
 120         restore_ui_settings();
 121         if (open_file_name.empty())
 122                 select_init_device();
 123         else
 124                 load_init_file(open_file_name, open_file_format);
 125 }
 126
 127 QAction* MainWindow::action_open() const
 128 {
 129         return action_open_;
 130 }
 131
 132 QAction* MainWindow::action_save_as() const
 133 {
 134         return action_save_as_;
 135 }
 136
 137 QAction* MainWindow::action_save_selection_as() const
 138 {
 139         return action_save_selection_as_;
 140 }
 141
 142 QAction* MainWindow::action_connect() const
 143 {
 144         return action_connect_;
 145 }
 146
 147 QAction* MainWindow::action_quit() const
 148 {
 149         return action_quit_;
 150 }
 151
 152 QAction* MainWindow::action_view_zoom_in() const
 153 {
 154         return action_view_zoom_in_;
 155 }
 156
 157 QAction* MainWindow::action_view_zoom_out() const
 158 {
 159         return action_view_zoom_out_;
 160 }
 161
 162 QAction* MainWindow::action_view_zoom_fit() const
 163 {
 164         return action_view_zoom_fit_;
 165 }
 166
 167 QAction* MainWindow::action_view_zoom_one_to_one() const
 168 {
 169         return action_view_zoom_one_to_one_;
 170 }
 171
 172 QAction* MainWindow::action_view_sticky_scrolling() const
 173 {
 174         return action_view_sticky_scrolling_;
 175 }
 176
 177 QAction* MainWindow::action_view_show_cursors() const
 178 {
 179         return action_view_show_cursors_;
 180 }
 181
 182 QAction* MainWindow::action_about() const
 183 {
 184         return action_about_;
 185 }
 186
 187 #ifdef ENABLE_DECODE
 188 QMenu* MainWindow::menu_decoder_add() const
 189 {
 190         return menu_decoders_add_;
 191 }
 192 #endif
 193
 194 void MainWindow::run_stop()
 195 {
 196         switch(session_.get_capture_state()) {
 197         case Session::Stopped:
 198                 session_.start_capture([&](QString message) {
 199                         session_error("Capture failed", message); });
 200                 break;
 201
 202         case Session::AwaitingTrigger:
 203         case Session::Running:
 204                 session_.stop_capture();
 205                 break;
 206         }
 207 }
 208
 209 void MainWindow::select_device(shared_ptr<devices::Device> device)
 210 {
 211         try {
 212                 if (device)
 213                         session_.set_device(device);
 214                 else
 215                         session_.set_default_device();
 216         } catch(const QString &e) {
 217                 QMessageBox msg(this);
 218                 msg.setText(e);
 219                 msg.setInformativeText(tr("Failed to Select Device"));
 220                 msg.setStandardButtons(QMessageBox::Ok);
 221                 msg.setIcon(QMessageBox::Warning);
 222                 msg.exec();
 223         }
 224 }
 225
 226 void MainWindow::export_file(shared_ptr<OutputFormat> format,
 227         bool selection_only)
 228 {
 229         using pv::dialogs::StoreProgress;
 230
 231         // Stop any currently running capture session
 232         session_.stop_capture();
 233
 234         QSettings settings;
 235         const QString dir = settings.value(SettingSaveDirectory).toString();
 236
 237         std::pair<uint64_t, uint64_t> sample_range;
 238
 239         // Selection only? Verify that the cursors are active and fetch their values
 240         if (selection_only) {
 241                 if (!view_->cursors()->enabled()) {
 242                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 243                                         "cursors before you can save the data enclosed by them " \
 244                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 245                         return;
 246                 }
 247
 248                 const double samplerate = session_.get_samplerate();
 249
 250                 const pv::util::Timestamp& start_time = view_->cursors()->first()->time();
 251                 const pv::util::Timestamp& end_time = view_->cursors()->second()->time();
 252
 253                 const uint64_t start_sample = start_time.convert_to<double>() * samplerate;
 254             const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 255
 256             sample_range = std::make_pair(start_sample, end_sample);
 257         } else {
 258                 sample_range = std::make_pair(0, 0);
 259         }
 260
 261         // Construct the filter
 262         const vector<string> exts = format->extensions();
 263         QString filter = tr("%1 files ").arg(
 264                 QString::fromStdString(format->description()));
 265
 266         if (exts.empty())
 267                 filter += "(*.*)";
 268         else
 269                 filter += QString("(*.%1);;%2 (*.*)").arg(
 270                         QString::fromStdString(join(exts, ", *."))).arg(
 271                         tr("All Files"));
 272
 273         // Show the file dialog
 274         const QString file_name = QFileDialog::getSaveFileName(
 275                 this, tr("Save File"), dir, filter);
 276
 277         if (file_name.isEmpty())
 278                 return;
 279
 280         const QString abs_path = QFileInfo(file_name).absolutePath();
 281         settings.setValue(SettingSaveDirectory, abs_path);
 282
 283         // Show the options dialog
 284         map<string, Glib::VariantBase> options;
 285         if (!format->options().empty()) {
 286                 dialogs::InputOutputOptions dlg(
 287                         tr("Export %1").arg(QString::fromStdString(
 288                                 format->description())),
 289                         format->options(), this);
 290                 if (!dlg.exec())
 291                         return;
 292                 options = dlg.options();
 293         }
 294
 295         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 296                 sample_range, session_, this);
 297         dlg->run();
 298 }
 299
 300 void MainWindow::import_file(shared_ptr<InputFormat> format)
 301 {
 302         assert(format);
 303
 304         QSettings settings;
 305         const QString dir = settings.value(SettingOpenDirectory).toString();
 306
 307         // Construct the filter
 308         const vector<string> exts = format->extensions();
 309         const QString filter = exts.empty() ? "" :
 310                 tr("%1 files (*.%2)").arg(
 311                         QString::fromStdString(format->description())).arg(
 312                         QString::fromStdString(join(exts, ", *.")));
 313
 314         // Show the file dialog
 315         const QString file_name = QFileDialog::getOpenFileName(
 316                 this, tr("Import File"), dir, tr(
 317                         "%1 files (*.*);;All Files (*.*)").arg(
 318                         QString::fromStdString(format->description())));
 319
 320         if (file_name.isEmpty())
 321                 return;
 322
 323         // Show the options dialog
 324         map<string, Glib::VariantBase> options;
 325         if (!format->options().empty()) {
 326                 dialogs::InputOutputOptions dlg(
 327                         tr("Import %1").arg(QString::fromStdString(
 328                                 format->description())),
 329                         format->options(), this);
 330                 if (!dlg.exec())
 331                         return;
 332                 options = dlg.options();
 333         }
 334
 335         load_file(file_name, format, options);
 336
 337         const QString abs_path = QFileInfo(file_name).absolutePath();
 338         settings.setValue(SettingOpenDirectory, abs_path);
 339 }
 340
 341 void MainWindow::setup_ui()
 342 {
 343         setObjectName(QString::fromUtf8("MainWindow"));
 344
 345         // Set the window icon
 346         QIcon icon;
 347         icon.addFile(QString(":/icons/sigrok-logo-notext.svg"));
 348         setWindowIcon(icon);
 349
 350         // Setup the central widget
 351         central_widget_ = new QWidget(this);
 352         vertical_layout_ = new QVBoxLayout(central_widget_);
 353         vertical_layout_->setSpacing(6);
 354         vertical_layout_->setContentsMargins(0, 0, 0, 0);
 355         setCentralWidget(central_widget_);
 356
 357         view_ = new pv::view::View(session_, this);
 358
 359         vertical_layout_->addWidget(view_);
 360
 361         // Setup the menu bar
 362         pv::widgets::HidingMenuBar *const menu_bar =
 363                 new pv::widgets::HidingMenuBar(this);
 364
 365         // File Menu
 366         QMenu *const menu_file = new QMenu;
 367         menu_file->setTitle(tr("&File"));
 368
 369         action_open_->setText(tr("&Open..."));
 370         action_open_->setIcon(QIcon::fromTheme("document-open",
 371                 QIcon(":/icons/document-open.png")));
 372         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 373         action_open_->setObjectName(QString::fromUtf8("actionOpen"));
 374         menu_file->addAction(action_open_);
 375
 376         action_save_as_->setText(tr("&Save As..."));
 377         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 378                 QIcon(":/icons/document-save-as.png")));
 379         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 380         action_save_as_->setObjectName(QString::fromUtf8("actionSaveAs"));
 381         menu_file->addAction(action_save_as_);
 382
 383         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 384         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 385                 QIcon(":/icons/document-save-as.png")));
 386         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 387         action_save_selection_as_->setObjectName(QString::fromUtf8("actionSaveSelectionAs"));
 388         menu_file->addAction(action_save_selection_as_);
 389
 390         menu_file->addSeparator();
 391
 392         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 393                 device_manager_.context());
 394         menu_file_export->setTitle(tr("&Export"));
 395         connect(menu_file_export,
 396                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 397                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 398         menu_file->addAction(menu_file_export->menuAction());
 399
 400         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 401                 device_manager_.context());
 402         menu_file_import->setTitle(tr("&Import"));
 403         connect(menu_file_import,
 404                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 405                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 406         menu_file->addAction(menu_file_import->menuAction());
 407
 408         menu_file->addSeparator();
 409
 410         action_connect_->setText(tr("&Connect to Device..."));
 411         action_connect_->setObjectName(QString::fromUtf8("actionConnect"));
 412         menu_file->addAction(action_connect_);
 413
 414         menu_file->addSeparator();
 415
 416         action_quit_->setText(tr("&Quit"));
 417         action_quit_->setIcon(QIcon::fromTheme("application-exit",
 418                 QIcon(":/icons/application-exit.png")));
 419         action_quit_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 420         action_quit_->setObjectName(QString::fromUtf8("actionQuit"));
 421         menu_file->addAction(action_quit_);
 422
 423         // View Menu
 424         QMenu *menu_view = new QMenu;
 425         menu_view->setTitle(tr("&View"));
 426
 427         action_view_zoom_in_->setText(tr("Zoom &In"));
 428         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 429                 QIcon(":/icons/zoom-in.png")));
 430         // simply using Qt::Key_Plus shows no + in the menu
 431         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 432         action_view_zoom_in_->setObjectName(
 433                 QString::fromUtf8("actionViewZoomIn"));
 434         menu_view->addAction(action_view_zoom_in_);
 435
 436         action_view_zoom_out_->setText(tr("Zoom &Out"));
 437         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 438                 QIcon(":/icons/zoom-out.png")));
 439         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 440         action_view_zoom_out_->setObjectName(
 441                 QString::fromUtf8("actionViewZoomOut"));
 442         menu_view->addAction(action_view_zoom_out_);
 443
 444         action_view_zoom_fit_->setCheckable(true);
 445         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 446         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 447                 QIcon(":/icons/zoom-fit.png")));
 448         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 449         action_view_zoom_fit_->setObjectName(
 450                 QString::fromUtf8("actionViewZoomFit"));
 451         menu_view->addAction(action_view_zoom_fit_);
 452
 453         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 454         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 455                 QIcon(":/icons/zoom-original.png")));
 456         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 457         action_view_zoom_one_to_one_->setObjectName(
 458                 QString::fromUtf8("actionViewZoomOneToOne"));
 459         menu_view->addAction(action_view_zoom_one_to_one_);
 460
 461         menu_file->addSeparator();
 462
 463         action_view_sticky_scrolling_->setCheckable(true);
 464         action_view_sticky_scrolling_->setChecked(true);
 465         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 466         action_view_sticky_scrolling_->setObjectName(
 467                 QString::fromUtf8("actionViewStickyScrolling"));
 468         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 469         menu_view->addAction(action_view_sticky_scrolling_);
 470
 471         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 472
 473         menu_view->addSeparator();
 474
 475         action_view_show_cursors_->setCheckable(true);
 476         action_view_show_cursors_->setChecked(view_->cursors_shown());
 477         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 478                 QIcon(":/icons/show-cursors.svg")));
 479         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 480         action_view_show_cursors_->setObjectName(
 481                 QString::fromUtf8("actionViewShowCursors"));
 482         action_view_show_cursors_->setText(tr("Show &Cursors"));
 483         menu_view->addAction(action_view_show_cursors_);
 484
 485         // Decoders Menu
 486 #ifdef ENABLE_DECODE
 487         QMenu *const menu_decoders = new QMenu;
 488         menu_decoders->setTitle(tr("&Decoders"));
 489
 490         menu_decoders_add_->setTitle(tr("&Add"));
 491         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 492                 this, SLOT(add_decoder(srd_decoder*)));
 493
 494         menu_decoders->addMenu(menu_decoders_add_);
 495 #endif
 496
 497         // Help Menu
 498         QMenu *const menu_help = new QMenu;
 499         menu_help->setTitle(tr("&Help"));
 500
 501         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 502         action_about_->setText(tr("&About..."));
 503         menu_help->addAction(action_about_);
 504
 505         menu_bar->addAction(menu_file->menuAction());
 506         menu_bar->addAction(menu_view->menuAction());
 507 #ifdef ENABLE_DECODE
 508         menu_bar->addAction(menu_decoders->menuAction());
 509 #endif
 510         menu_bar->addAction(menu_help->menuAction());
 511
 512         setMenuBar(menu_bar);
 513         QMetaObject::connectSlotsByName(this);
 514
 515         // Also add all actions to the main window for always-enabled hotkeys
 516         for (QAction* action : menu_bar->actions())
 517                 this->addAction(action);
 518
 519         // Setup the toolbar
 520         main_bar_ = new toolbars::MainBar(session_, *this);
 521
 522         // Populate the device list and select the initially selected device
 523         update_device_list();
 524
 525         addToolBar(main_bar_);
 526
 527         // Set the title
 528         setWindowTitle(tr("PulseView"));
 529
 530         // Setup session_ events
 531         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 532                 SLOT(capture_state_changed(int)));
 533         connect(&session_, SIGNAL(device_selected()), this,
 534                 SLOT(device_selected()));
 535
 536         // Setup view_ events
 537         connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
 538                 SLOT(sticky_scrolling_changed(bool)));
 539         connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
 540                 SLOT(always_zoom_to_fit_changed(bool)));
 541 }
 542
 543 void MainWindow::select_init_device() {
 544         QSettings settings;
 545         map<string, string> dev_info;
 546         list<string> key_list;
 547
 548         // Re-select last used device if possible.
 549         settings.beginGroup("Device");
 550         key_list.push_back("vendor");
 551         key_list.push_back("model");
 552         key_list.push_back("version");
 553         key_list.push_back("serial_num");
 554         key_list.push_back("connection_id");
 555
 556         for (string key : key_list) {
 557                 const QString k = QString::fromStdString(key);
 558                 if (!settings.contains(k))
 559                         continue;
 560
 561                 const string value = settings.value(k).toString().toStdString();
 562                 if (!value.empty())
 563                         dev_info.insert(std::make_pair(key, value));
 564         }
 565
 566         const shared_ptr<devices::HardwareDevice> device =
 567                 device_manager_.find_device_from_info(dev_info);
 568         select_device(device);
 569         update_device_list();
 570
 571         settings.endGroup();
 572 }
 573
 574 void MainWindow::load_init_file(const std::string &file_name,
 575         const std::string &format) {
 576         shared_ptr<InputFormat> input_format;
 577
 578         if (!format.empty()) {
 579                 const map<string, shared_ptr<InputFormat> > formats =
 580                         device_manager_.context()->input_formats();
 581                 const auto iter = find_if(formats.begin(), formats.end(),
 582                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 583                                 return f.first == format; });
 584                 if (iter == formats.end()) {
 585                         cerr << "Unexpected input format: " << format << endl;
 586                         return;
 587                 }
 588
 589                 input_format = (*iter).second;
 590         }
 591
 592         load_file(QString::fromStdString(file_name), input_format);
 593 }
 594
 595
 596 void MainWindow::save_ui_settings()
 597 {
 598         QSettings settings;
 599
 600         map<string, string> dev_info;
 601         list<string> key_list;
 602
 603         settings.beginGroup("MainWindow");
 604         settings.setValue("state", saveState());
 605         settings.setValue("geometry", saveGeometry());
 606         settings.endGroup();
 607
 608         if (session_.device()) {
 609                 settings.beginGroup("Device");
 610                 key_list.push_back("vendor");
 611                 key_list.push_back("model");
 612                 key_list.push_back("version");
 613                 key_list.push_back("serial_num");
 614                 key_list.push_back("connection_id");
 615
 616                 dev_info = device_manager_.get_device_info(
 617                         session_.device());
 618
 619                 for (string key : key_list) {
 620
 621                         if (dev_info.count(key))
 622                                 settings.setValue(QString::fromUtf8(key.c_str()),
 623                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 624                         else
 625                                 settings.remove(QString::fromUtf8(key.c_str()));
 626                 }
 627
 628                 settings.endGroup();
 629         }
 630 }
 631
 632 void MainWindow::restore_ui_settings()
 633 {
 634         QSettings settings;
 635
 636         settings.beginGroup("MainWindow");
 637
 638         if (settings.contains("geometry")) {
 639                 restoreGeometry(settings.value("geometry").toByteArray());
 640                 restoreState(settings.value("state").toByteArray());
 641         } else
 642                 resize(1000, 720);
 643
 644         settings.endGroup();
 645 }
 646
 647 void MainWindow::session_error(
 648         const QString text, const QString info_text)
 649 {
 650         QMetaObject::invokeMethod(this, "show_session_error",
 651                 Qt::QueuedConnection, Q_ARG(QString, text),
 652                 Q_ARG(QString, info_text));
 653 }
 654
 655 void MainWindow::update_device_list()
 656 {
 657         main_bar_->update_device_list();
 658 }
 659
 660 void MainWindow::load_file(QString file_name,
 661         std::shared_ptr<sigrok::InputFormat> format,
 662         const std::map<std::string, Glib::VariantBase> &options)
 663 {
 664         const QString errorMessage(
 665                 QString("Failed to load file %1").arg(file_name));
 666
 667         try {
 668                 if (format)
 669                         session_.set_device(shared_ptr<devices::Device>(
 670                                 new devices::InputFile(
 671                                         device_manager_.context(),
 672                                         file_name.toStdString(),
 673                                         format, options)));
 674                 else
 675                         session_.set_device(shared_ptr<devices::Device>(
 676                                 new devices::SessionFile(
 677                                         device_manager_.context(),
 678                                         file_name.toStdString())));
 679         } catch(Error e) {
 680                 show_session_error(tr("Failed to load ") + file_name, e.what());
 681                 session_.set_default_device();
 682                 update_device_list();
 683                 return;
 684         }
 685
 686         update_device_list();
 687
 688         session_.start_capture([&, errorMessage](QString infoMessage) {
 689                 session_error(errorMessage, infoMessage); });
 690 }
 691
 692 void MainWindow::closeEvent(QCloseEvent *event)
 693 {
 694         save_ui_settings();
 695         event->accept();
 696 }
 697
 698 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 699 {
 700         if (event->key() == Qt::Key_Alt) {
 701                 menuBar()->setHidden(!menuBar()->isHidden());
 702                 menuBar()->setFocus();
 703         }
 704         QMainWindow::keyReleaseEvent(event);
 705 }
 706
 707 void MainWindow::show_session_error(
 708         const QString text, const QString info_text)
 709 {
 710         QMessageBox msg(this);
 711         msg.setText(text);
 712         msg.setInformativeText(info_text);
 713         msg.setStandardButtons(QMessageBox::Ok);
 714         msg.setIcon(QMessageBox::Warning);
 715         msg.exec();
 716 }
 717
 718 void MainWindow::on_actionOpen_triggered()
 719 {
 720         QSettings settings;
 721         const QString dir = settings.value(SettingOpenDirectory).toString();
 722
 723         // Show the dialog
 724         const QString file_name = QFileDialog::getOpenFileName(
 725                 this, tr("Open File"), dir, tr(
 726                         "Sigrok Sessions (*.sr);;"
 727                         "All Files (*.*)"));
 728
 729         if (!file_name.isEmpty()) {
 730                 load_file(file_name);
 731
 732                 const QString abs_path = QFileInfo(file_name).absolutePath();
 733                 settings.setValue(SettingOpenDirectory, abs_path);
 734         }
 735 }
 736
 737 void MainWindow::on_actionSaveAs_triggered()
 738 {
 739         export_file(device_manager_.context()->output_formats()["srzip"]);
 740 }
 741
 742 void MainWindow::on_actionSaveSelectionAs_triggered()
 743 {
 744         export_file(device_manager_.context()->output_formats()["srzip"], true);
 745 }
 746
 747 void MainWindow::on_actionConnect_triggered()
 748 {
 749         // Stop any currently running capture session
 750         session_.stop_capture();
 751
 752         dialogs::Connect dlg(this, device_manager_);
 753
 754         // If the user selected a device, select it in the device list. Select the
 755         // current device otherwise.
 756         if (dlg.exec())
 757                 select_device(dlg.get_selected_device());
 758
 759         update_device_list();
 760 }
 761
 762 void MainWindow::on_actionQuit_triggered()
 763 {
 764         close();
 765 }
 766
 767 void MainWindow::on_actionViewZoomIn_triggered()
 768 {
 769         view_->zoom(1);
 770 }
 771
 772 void MainWindow::on_actionViewZoomOut_triggered()
 773 {
 774         view_->zoom(-1);
 775 }
 776
 777 void MainWindow::on_actionViewZoomFit_triggered()
 778 {
 779         view_->zoom_fit(action_view_zoom_fit_->isChecked());
 780 }
 781
 782 void MainWindow::on_actionViewZoomOneToOne_triggered()
 783 {
 784         view_->zoom_one_to_one();
 785 }
 786
 787 void MainWindow::on_actionViewStickyScrolling_triggered()
 788 {
 789         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 790 }
 791
 792 void MainWindow::on_actionViewShowCursors_triggered()
 793 {
 794         assert(view_);
 795
 796         const bool show = !view_->cursors_shown();
 797         if (show)
 798                 view_->centre_cursors();
 799
 800         view_->show_cursors(show);
 801 }
 802
 803 void MainWindow::on_actionAbout_triggered()
 804 {
 805         dialogs::About dlg(device_manager_.context(), this);
 806         dlg.exec();
 807 }
 808
 809 void MainWindow::sticky_scrolling_changed(bool state)
 810 {
 811         action_view_sticky_scrolling_->setChecked(state);
 812 }
 813
 814 void MainWindow::always_zoom_to_fit_changed(bool state)
 815 {
 816         action_view_zoom_fit_->setChecked(state);
 817 }
 818
 819 void MainWindow::add_decoder(srd_decoder *decoder)
 820 {
 821 #ifdef ENABLE_DECODE
 822         assert(decoder);
 823         session_.add_decoder(decoder);
 824 #else
 825         (void)decoder;
 826 #endif
 827 }
 828
 829 void MainWindow::capture_state_changed(int state)
 830 {
 831         main_bar_->set_capture_state((pv::Session::capture_state)state);
 832 }
 833
 834 void MainWindow::device_selected()
 835 {
 836         // Set the title to include the device/file name
 837         const shared_ptr<devices::Device> device = session_.device();
 838         if (!device)
 839                 return;
 840
 841         const string display_name = device->display_name(device_manager_);
 842         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 843 }
 844
 845 } // namespace pv