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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         // Also add all actions to the main window for always-enabled hotkeys
457         for (QAction* action : menu_bar->actions())
458                 this->addAction(action);
459
460         // Setup the toolbar
461         main_bar_ = new toolbars::MainBar(session_, *this);
462
463         // Populate the device list and select the initially selected device
464         update_device_list();
465
466         addToolBar(main_bar_);
467
468         // Set the title
469         setWindowTitle(tr("PulseView"));
470
471         // Setup session_ events
472         connect(&session_, SIGNAL(capture_state_changed(int)), this,
473                 SLOT(capture_state_changed(int)));
474         connect(&session_, SIGNAL(device_selected()), this,
475                 SLOT(device_selected()));
476 }
477
478 void MainWindow::select_init_device() {
479         QSettings settings;
480         map<string, string> dev_info;
481         list<string> key_list;
482
483         // Re-select last used device if possible.
484         settings.beginGroup("Device");
485         key_list.push_back("vendor");
486         key_list.push_back("model");
487         key_list.push_back("version");
488         key_list.push_back("serial_num");
489         key_list.push_back("connection_id");
490
491         for (string key : key_list) {
492                 const QString k = QString::fromStdString(key);
493                 if (!settings.contains(k))
494                         continue;
495
496                 const string value = settings.value(k).toString().toStdString();
497                 if (!value.empty())
498                         dev_info.insert(std::make_pair(key, value));
499         }
500
501         const shared_ptr<devices::HardwareDevice> device =
502                 device_manager_.find_device_from_info(dev_info);
503         select_device(device);
504         update_device_list();
505
506         settings.endGroup();
507 }
508
509 void MainWindow::load_init_file(const std::string &file_name,
510         const std::string &format) {
511         shared_ptr<InputFormat> input_format;
512
513         if (!format.empty()) {
514                 const map<string, shared_ptr<InputFormat> > formats =
515                         device_manager_.context()->input_formats();
516                 const auto iter = find_if(formats.begin(), formats.end(),
517                         [&](const pair<string, shared_ptr<InputFormat> > f) {
518                                 return f.first == format; });
519                 if (iter == formats.end()) {
520                         cerr << "Unexpected input format: " << format << endl;
521                         return;
522                 }
523
524                 input_format = (*iter).second;
525         }
526
527         load_file(QString::fromStdString(file_name), input_format);
528 }
529
530
531 void MainWindow::save_ui_settings()
532 {
533         QSettings settings;
534
535         map<string, string> dev_info;
536         list<string> key_list;
537
538         settings.beginGroup("MainWindow");
539         settings.setValue("state", saveState());
540         settings.setValue("geometry", saveGeometry());
541         settings.endGroup();
542
543         if (session_.device()) {
544                 settings.beginGroup("Device");
545                 key_list.push_back("vendor");
546                 key_list.push_back("model");
547                 key_list.push_back("version");
548                 key_list.push_back("serial_num");
549                 key_list.push_back("connection_id");
550
551                 dev_info = device_manager_.get_device_info(
552                         session_.device());
553
554                 for (string key : key_list) {
555
556                         if (dev_info.count(key))
557                                 settings.setValue(QString::fromUtf8(key.c_str()),
558                                                 QString::fromUtf8(dev_info.at(key).c_str()));
559                         else
560                                 settings.remove(QString::fromUtf8(key.c_str()));
561                 }
562
563                 settings.endGroup();
564         }
565 }
566
567 void MainWindow::restore_ui_settings()
568 {
569         QSettings settings;
570
571         settings.beginGroup("MainWindow");
572
573         if (settings.contains("geometry")) {
574                 restoreGeometry(settings.value("geometry").toByteArray());
575                 restoreState(settings.value("state").toByteArray());
576         } else
577                 resize(1000, 720);
578
579         settings.endGroup();
580 }
581
582 void MainWindow::session_error(
583         const QString text, const QString info_text)
584 {
585         QMetaObject::invokeMethod(this, "show_session_error",
586                 Qt::QueuedConnection, Q_ARG(QString, text),
587                 Q_ARG(QString, info_text));
588 }
589
590 void MainWindow::update_device_list()
591 {
592         main_bar_->update_device_list();
593 }
594
595 void MainWindow::load_file(QString file_name,
596         std::shared_ptr<sigrok::InputFormat> format,
597         const std::map<std::string, Glib::VariantBase> &options)
598 {
599         const QString errorMessage(
600                 QString("Failed to load file %1").arg(file_name));
601         const QString infoMessage;
602
603         try {
604                 if (format)
605                         session_.set_device(shared_ptr<devices::Device>(
606                                 new devices::InputFile(
607                                         device_manager_.context(),
608                                         file_name.toStdString(),
609                                         format, options)));
610                 else
611                         session_.set_device(shared_ptr<devices::Device>(
612                                 new devices::SessionFile(
613                                         device_manager_.context(),
614                                         file_name.toStdString())));
615         } catch(Error e) {
616                 show_session_error(tr("Failed to load ") + file_name, e.what());
617                 session_.set_default_device();
618                 update_device_list();
619                 return;
620         }
621
622         update_device_list();
623
624         session_.start_capture([&, errorMessage, infoMessage](QString) {
625                 session_error(errorMessage, infoMessage); });
626 }
627
628 void MainWindow::closeEvent(QCloseEvent *event)
629 {
630         save_ui_settings();
631         event->accept();
632 }
633
634 void MainWindow::keyReleaseEvent(QKeyEvent *event)
635 {
636         if (event->key() == Qt::Key_Alt) {
637                 menuBar()->setHidden(!menuBar()->isHidden());
638                 menuBar()->setFocus();
639         }
640         QMainWindow::keyReleaseEvent(event);
641 }
642
643 void MainWindow::show_session_error(
644         const QString text, const QString info_text)
645 {
646         QMessageBox msg(this);
647         msg.setText(text);
648         msg.setInformativeText(info_text);
649         msg.setStandardButtons(QMessageBox::Ok);
650         msg.setIcon(QMessageBox::Warning);
651         msg.exec();
652 }
653
654 void MainWindow::on_actionOpen_triggered()
655 {
656         QSettings settings;
657         const QString dir = settings.value(SettingOpenDirectory).toString();
658
659         // Show the dialog
660         const QString file_name = QFileDialog::getOpenFileName(
661                 this, tr("Open File"), dir, tr(
662                         "Sigrok Sessions (*.sr);;"
663                         "All Files (*.*)"));
664
665         if (!file_name.isEmpty()) {
666                 load_file(file_name);
667
668                 const QString abs_path = QFileInfo(file_name).absolutePath();
669                 settings.setValue(SettingOpenDirectory, abs_path);
670         }
671 }
672
673 void MainWindow::on_actionSaveAs_triggered()
674 {
675         export_file(device_manager_.context()->output_formats()["srzip"]);
676 }
677
678 void MainWindow::on_actionConnect_triggered()
679 {
680         // Stop any currently running capture session
681         session_.stop_capture();
682
683         dialogs::Connect dlg(this, device_manager_);
684
685         // If the user selected a device, select it in the device list. Select the
686         // current device otherwise.
687         if (dlg.exec())
688                 select_device(dlg.get_selected_device());
689
690         update_device_list();
691 }
692
693 void MainWindow::on_actionQuit_triggered()
694 {
695         close();
696 }
697
698 void MainWindow::on_actionViewZoomIn_triggered()
699 {
700         view_->zoom(1);
701 }
702
703 void MainWindow::on_actionViewZoomOut_triggered()
704 {
705         view_->zoom(-1);
706 }
707
708 void MainWindow::on_actionViewZoomFit_triggered()
709 {
710         view_->zoom_fit();
711 }
712
713 void MainWindow::on_actionViewZoomOneToOne_triggered()
714 {
715         view_->zoom_one_to_one();
716 }
717
718 void MainWindow::on_actionViewShowCursors_triggered()
719 {
720         assert(view_);
721
722         const bool show = !view_->cursors_shown();
723         if(show)
724                 view_->centre_cursors();
725
726         view_->show_cursors(show);
727 }
728
729 void MainWindow::on_actionAbout_triggered()
730 {
731         dialogs::About dlg(device_manager_.context(), this);
732         dlg.exec();
733 }
734
735 void MainWindow::add_decoder(srd_decoder *decoder)
736 {
737 #ifdef ENABLE_DECODE
738         assert(decoder);
739         session_.add_decoder(decoder);
740 #else
741         (void)decoder;
742 #endif
743 }
744
745 void MainWindow::capture_state_changed(int state)
746 {
747         main_bar_->set_capture_state((pv::Session::capture_state)state);
748 }
749
750 void MainWindow::device_selected()
751 {
752         // Set the title to include the device/file name
753         const shared_ptr<devices::Device> device = session_.device();
754         if (!device)
755                 return;
756
757         const string display_name = device->display_name(device_manager_);
758         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
759 }
760
761 } // namespace pv