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