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