2 * This file is part of the PulseView project.
4 * Copyright (C) 2012-2015 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
32 #include "mainbar.hpp"
34 #include <pv/devicemanager.hpp>
35 #include <pv/mainwindow.hpp>
36 #include <pv/popups/deviceoptions.hpp>
37 #include <pv/popups/channels.hpp>
38 #include <pv/util.hpp>
39 #include <pv/widgets/exportmenu.hpp>
41 #include <libsigrokcxx/libsigrokcxx.hpp>
43 using std::back_inserter;
49 using std::shared_ptr;
53 using sigrok::Capability;
54 using sigrok::ConfigKey;
61 const uint64_t MainBar::MinSampleCount = 100ULL;
62 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
63 const uint64_t MainBar::DefaultSampleCount = 1000000;
65 MainBar::MainBar(Session &session, MainWindow &main_window) :
66 QToolBar("Sampling Bar", &main_window),
68 main_window_(main_window),
69 device_selector_(this, session.device_manager(),
70 main_window.action_connect()),
71 configure_button_(this),
72 configure_button_action_(NULL),
73 channels_button_(this),
74 sample_count_(" samples", this),
75 sample_rate_("Hz", this),
76 updating_sample_rate_(false),
77 updating_sample_count_(false),
78 sample_count_supported_(false),
79 icon_red_(":/icons/status-red.svg"),
80 icon_green_(":/icons/status-green.svg"),
81 icon_grey_(":/icons/status-grey.svg"),
82 run_stop_button_(this),
85 setObjectName(QString::fromUtf8("MainBar"));
89 setContextMenuPolicy(Qt::PreventContextMenu);
92 QToolButton *const save_button = new QToolButton(this);
94 widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
95 session.device_manager().context(),
96 main_window.action_save_as());
98 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
100 SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
102 save_button->setMenu(export_menu);
103 save_button->setDefaultAction(main_window.action_save_as());
104 save_button->setPopupMode(QToolButton::MenuButtonPopup);
106 // Device selector menu
107 connect(&device_selector_, SIGNAL(device_selected()),
108 this, SLOT(on_device_selected()));
110 // Setup the decoder button
112 QToolButton *add_decoder_button = new QToolButton(this);
113 add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
114 QIcon(":/icons/add-decoder.svg")));
115 add_decoder_button->setPopupMode(QToolButton::InstantPopup);
116 add_decoder_button->setMenu(main_window_.menu_decoder_add());
120 QMenu *const menu = new QMenu(this);
122 QMenu *const menu_help = new QMenu;
123 menu_help->setTitle(tr("&Help"));
124 menu_help->addAction(main_window.action_about());
126 menu->addAction(menu_help->menuAction());
127 menu->addSeparator();
128 menu->addAction(main_window.action_quit());
130 menu_button_.setMenu(menu);
131 menu_button_.setPopupMode(QToolButton::InstantPopup);
132 menu_button_.setIcon(QIcon::fromTheme("menu",
133 QIcon(":/icons/menu.svg")));
136 addAction(main_window.action_open());
137 addWidget(save_button);
139 addAction(main_window.action_view_zoom_in());
140 addAction(main_window.action_view_zoom_out());
141 addAction(main_window.action_view_zoom_fit());
142 addAction(main_window.action_view_zoom_one_to_one());
144 addAction(main_window.action_view_show_cursors());
147 connect(&run_stop_button_, SIGNAL(clicked()),
148 this, SLOT(on_run_stop()));
149 connect(&sample_count_, SIGNAL(value_changed()),
150 this, SLOT(on_sample_count_changed()));
151 connect(&sample_rate_, SIGNAL(value_changed()),
152 this, SLOT(on_sample_rate_changed()));
154 sample_count_.show_min_max_step(0, UINT64_MAX, 1);
156 set_capture_state(pv::Session::Stopped);
158 configure_button_.setIcon(QIcon::fromTheme("configure",
159 QIcon(":/icons/configure.png")));
161 channels_button_.setIcon(QIcon::fromTheme("channels",
162 QIcon(":/icons/channels.svg")));
164 run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
166 addWidget(&device_selector_);
167 configure_button_action_ = addWidget(&configure_button_);
168 addWidget(&channels_button_);
169 addWidget(&sample_count_);
170 addWidget(&sample_rate_);
171 addWidget(&run_stop_button_);
174 addWidget(add_decoder_button);
177 QWidget *const spacer = new QWidget();
178 spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
181 addWidget(&menu_button_);
183 sample_count_.installEventFilter(this);
184 sample_rate_.installEventFilter(this);
187 void MainBar::update_device_list()
189 DeviceManager &mgr = session_.device_manager();
190 shared_ptr<Device> selected_device = session_.device();
191 list< shared_ptr<Device> > devs;
193 copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
195 if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
196 devs.push_back(selected_device);
197 assert(selected_device);
199 device_selector_.set_device_list(devs, selected_device);
200 update_device_config_widgets();
204 void MainBar::set_capture_state(pv::Session::capture_state state)
206 const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
207 run_stop_button_.setIcon(*icons[state]);
208 run_stop_button_.setText((state == pv::Session::Stopped) ?
209 tr("Run") : tr("Stop"));
210 run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
213 void MainBar::update_sample_rate_selector()
215 Glib::VariantContainerBase gvar_dict;
217 const uint64_t *elements = NULL;
220 if (updating_sample_rate_)
223 const shared_ptr<Device> device = device_selector_.selected_device();
227 assert(!updating_sample_rate_);
228 updating_sample_rate_ = true;
230 const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS);
231 const auto iter = keys.find(ConfigKey::SAMPLERATE);
232 if (iter != keys.end() &&
233 (*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
235 gvar_dict = device->config_list(ConfigKey::SAMPLERATE);
236 } catch(const sigrok::Error &e) {
237 // Failed to enunmerate samplerate
242 if (!gvar_dict.gobj()) {
243 sample_rate_.show_none();
244 updating_sample_rate_ = false;
248 if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
249 "samplerate-steps", G_VARIANT_TYPE("at"))))
251 elements = (const uint64_t *)g_variant_get_fixed_array(
252 gvar_list, &num_elements, sizeof(uint64_t));
254 const uint64_t min = elements[0];
255 const uint64_t max = elements[1];
256 const uint64_t step = elements[2];
258 g_variant_unref(gvar_list);
266 sample_rate_.show_125_list(min, max);
269 // When the step is not 1, we cam't make a 1-2-5-10
270 // list of sample rates, because we may not be able to
271 // make round numbers. Therefore in this case, show a
273 sample_rate_.show_min_max_step(min, max, step);
276 else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
277 "samplerates", G_VARIANT_TYPE("at"))))
279 elements = (const uint64_t *)g_variant_get_fixed_array(
280 gvar_list, &num_elements, sizeof(uint64_t));
281 sample_rate_.show_list(elements, num_elements);
282 g_variant_unref(gvar_list);
284 updating_sample_rate_ = false;
286 update_sample_rate_selector_value();
289 void MainBar::update_sample_rate_selector_value()
291 if (updating_sample_rate_)
294 const shared_ptr<Device> device = device_selector_.selected_device();
299 auto gvar = device->config_get(ConfigKey::SAMPLERATE);
300 uint64_t samplerate =
301 Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
302 assert(!updating_sample_rate_);
303 updating_sample_rate_ = true;
304 sample_rate_.set_value(samplerate);
305 updating_sample_rate_ = false;
306 } catch (Error error) {
307 qDebug() << "WARNING: Failed to get value of sample rate";
312 void MainBar::update_sample_count_selector()
314 if (updating_sample_count_)
317 const shared_ptr<Device> device = device_selector_.selected_device();
321 assert(!updating_sample_count_);
322 updating_sample_count_ = true;
324 if (!sample_count_supported_)
326 sample_count_.show_none();
327 updating_sample_count_ = false;
331 uint64_t sample_count = sample_count_.value();
332 uint64_t min_sample_count = 0;
333 uint64_t max_sample_count = MaxSampleCount;
335 if (sample_count == 0)
336 sample_count = DefaultSampleCount;
338 const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS);
339 const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES);
340 if (iter != keys.end() &&
341 (*iter).second.find(sigrok::LIST) != (*iter).second.end()) {
344 device->config_list(ConfigKey::LIMIT_SAMPLES);
346 g_variant_get(gvar.gobj(), "(tt)",
347 &min_sample_count, &max_sample_count);
348 } catch(const sigrok::Error &e) {
349 // Failed to query sample limit
354 min_sample_count = min(max(min_sample_count, MinSampleCount),
357 sample_count_.show_125_list(
358 min_sample_count, max_sample_count);
361 auto gvar = device->config_get(ConfigKey::LIMIT_SAMPLES);
362 sample_count = g_variant_get_uint64(gvar.gobj());
363 if (sample_count == 0)
364 sample_count = DefaultSampleCount;
365 sample_count = min(max(sample_count, MinSampleCount),
367 } catch (Error error) {}
369 sample_count_.set_value(sample_count);
371 updating_sample_count_ = false;
374 void MainBar::update_device_config_widgets()
376 using namespace pv::popups;
378 const shared_ptr<Device> device = device_selector_.selected_device();
382 // Update the configure popup
383 DeviceOptions *const opts = new DeviceOptions(device, this);
384 configure_button_action_->setVisible(
385 !opts->binding().properties().empty());
386 configure_button_.set_popup(opts);
388 // Update the channels popup
389 Channels *const channels = new Channels(session_, this);
390 channels_button_.set_popup(channels);
392 // Update supported options.
393 sample_count_supported_ = false;
396 for (auto entry : device->config_keys(ConfigKey::DEVICE_OPTIONS))
398 auto key = entry.first;
399 auto capabilities = entry.second;
401 case SR_CONF_LIMIT_SAMPLES:
402 if (capabilities.count(Capability::SET))
403 sample_count_supported_ = true;
405 case SR_CONF_LIMIT_FRAMES:
406 if (capabilities.count(Capability::SET))
408 device->config_set(ConfigKey::LIMIT_FRAMES,
409 Glib::Variant<guint64>::create(1));
417 } catch (Error error) {}
419 // Add notification of reconfigure events
420 disconnect(this, SLOT(on_config_changed()));
421 connect(&opts->binding(), SIGNAL(config_changed()),
422 this, SLOT(on_config_changed()));
424 // Update sweep timing widgets.
425 update_sample_count_selector();
426 update_sample_rate_selector();
429 void MainBar::commit_sample_count()
431 uint64_t sample_count = 0;
433 if (updating_sample_count_)
436 const shared_ptr<Device> device = device_selector_.selected_device();
440 sample_count = sample_count_.value();
442 // Set the sample count
443 assert(!updating_sample_count_);
444 updating_sample_count_ = true;
445 if (sample_count_supported_)
448 device->config_set(ConfigKey::LIMIT_SAMPLES,
449 Glib::Variant<guint64>::create(sample_count));
451 } catch (Error error) {
452 qDebug() << "Failed to configure sample count.";
456 updating_sample_count_ = false;
459 void MainBar::commit_sample_rate()
461 uint64_t sample_rate = 0;
463 if (updating_sample_rate_)
466 const shared_ptr<Device> device = device_selector_.selected_device();
470 sample_rate = sample_rate_.value();
471 if (sample_rate == 0)
474 // Set the samplerate
475 assert(!updating_sample_rate_);
476 updating_sample_rate_ = true;
478 device->config_set(ConfigKey::SAMPLERATE,
479 Glib::Variant<guint64>::create(sample_rate));
481 } catch (Error error) {
482 qDebug() << "Failed to configure samplerate.";
485 updating_sample_rate_ = false;
488 void MainBar::on_device_selected()
490 shared_ptr<Device> device = device_selector_.selected_device();
494 main_window_.select_device(device);
496 update_device_config_widgets();
499 void MainBar::on_sample_count_changed()
501 commit_sample_count();
504 void MainBar::on_sample_rate_changed()
506 commit_sample_rate();
509 void MainBar::on_run_stop()
511 commit_sample_count();
512 commit_sample_rate();
513 main_window_.run_stop();
516 void MainBar::on_config_changed()
518 commit_sample_count();
519 update_sample_count_selector();
520 commit_sample_rate();
521 update_sample_rate_selector();
524 bool MainBar::eventFilter(QObject *watched, QEvent *event)
526 if ((watched == &sample_count_ || watched == &sample_rate_) &&
527 (event->type() == QEvent::ToolTip)) {
528 double sec = (double)sample_count_.value() / sample_rate_.value();
529 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
531 QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec));
532 QToolTip::showText(help_event->globalPos(), str);
540 } // namespace toolbars