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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 <extdef.h> | |
22 | ||
23 | #include <assert.h> | |
24 | ||
25 | #include <QAction> | |
26 | #include <QDebug> | |
27 | #include <QHelpEvent> | |
28 | #include <QMenu> | |
29 | #include <QToolTip> | |
30 | ||
31 | #include "mainbar.hpp" | |
32 | ||
33 | #include <pv/devicemanager.hpp> | |
34 | #include <pv/mainwindow.hpp> | |
35 | #include <pv/popups/deviceoptions.hpp> | |
36 | #include <pv/popups/channels.hpp> | |
37 | #include <pv/util.hpp> | |
38 | ||
39 | #include <libsigrok/libsigrok.hpp> | |
40 | ||
41 | using std::map; | |
42 | using std::vector; | |
43 | using std::max; | |
44 | using std::min; | |
45 | using std::shared_ptr; | |
46 | using std::string; | |
47 | ||
48 | using sigrok::Capability; | |
49 | using sigrok::ConfigKey; | |
50 | using sigrok::Device; | |
51 | using sigrok::Error; | |
52 | ||
53 | namespace pv { | |
54 | namespace toolbars { | |
55 | ||
56 | const uint64_t MainBar::MinSampleCount = 100ULL; | |
57 | const uint64_t MainBar::MaxSampleCount = 1000000000000ULL; | |
58 | const uint64_t MainBar::DefaultSampleCount = 1000000; | |
59 | ||
60 | MainBar::MainBar(Session &session, MainWindow &main_window) : | |
61 | QToolBar("Sampling Bar", &main_window), | |
62 | session_(session), | |
63 | main_window_(main_window), | |
64 | device_selector_(this), | |
65 | updating_device_selector_(false), | |
66 | configure_button_(this), | |
67 | configure_button_action_(NULL), | |
68 | channels_button_(this), | |
69 | sample_count_(" samples", this), | |
70 | sample_rate_("Hz", this), | |
71 | updating_sample_rate_(false), | |
72 | updating_sample_count_(false), | |
73 | sample_count_supported_(false), | |
74 | icon_red_(":/icons/status-red.svg"), | |
75 | icon_green_(":/icons/status-green.svg"), | |
76 | icon_grey_(":/icons/status-grey.svg"), | |
77 | run_stop_button_(this), | |
78 | menu_button_(this) | |
79 | { | |
80 | setObjectName(QString::fromUtf8("MainBar")); | |
81 | ||
82 | setMovable(false); | |
83 | setFloatable(false); | |
84 | ||
85 | // Setup the menu | |
86 | QMenu *const menu = new QMenu(this); | |
87 | ||
88 | QMenu *const menu_help = new QMenu; | |
89 | menu_help->setTitle(tr("&Help")); | |
90 | menu_help->addAction(main_window.action_about()); | |
91 | ||
92 | menu->addAction(menu_help->menuAction()); | |
93 | menu->addSeparator(); | |
94 | menu->addAction(main_window.action_quit()); | |
95 | ||
96 | menu_button_.setMenu(menu); | |
97 | menu_button_.setPopupMode(QToolButton::InstantPopup); | |
98 | menu_button_.setIcon(QIcon::fromTheme("menu", | |
99 | QIcon(":/icons/menu.svg"))); | |
100 | ||
101 | // Setup the toolbar | |
102 | addAction(main_window.action_open()); | |
103 | addAction(main_window.action_save_as()); | |
104 | addSeparator(); | |
105 | addAction(main_window.action_view_zoom_in()); | |
106 | addAction(main_window.action_view_zoom_out()); | |
107 | addAction(main_window.action_view_zoom_fit()); | |
108 | addAction(main_window.action_view_zoom_one_to_one()); | |
109 | addSeparator(); | |
110 | ||
111 | connect(&run_stop_button_, SIGNAL(clicked()), | |
112 | this, SLOT(on_run_stop())); | |
113 | connect(&device_selector_, SIGNAL(currentIndexChanged (int)), | |
114 | this, SLOT(on_device_selected())); | |
115 | connect(&sample_count_, SIGNAL(value_changed()), | |
116 | this, SLOT(on_sample_count_changed())); | |
117 | connect(&sample_rate_, SIGNAL(value_changed()), | |
118 | this, SLOT(on_sample_rate_changed())); | |
119 | ||
120 | sample_count_.show_min_max_step(0, UINT64_MAX, 1); | |
121 | ||
122 | set_capture_state(pv::Session::Stopped); | |
123 | ||
124 | configure_button_.setIcon(QIcon::fromTheme("configure", | |
125 | QIcon(":/icons/configure.png"))); | |
126 | ||
127 | channels_button_.setIcon(QIcon::fromTheme("channels", | |
128 | QIcon(":/icons/channels.svg"))); | |
129 | ||
130 | run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
131 | ||
132 | addWidget(&device_selector_); | |
133 | configure_button_action_ = addWidget(&configure_button_); | |
134 | addWidget(&channels_button_); | |
135 | addWidget(&sample_count_); | |
136 | addWidget(&sample_rate_); | |
137 | addWidget(&run_stop_button_); | |
138 | ||
139 | QWidget *const spacer = new QWidget(); | |
140 | spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); | |
141 | addWidget(spacer); | |
142 | ||
143 | addWidget(&menu_button_); | |
144 | ||
145 | sample_count_.installEventFilter(this); | |
146 | sample_rate_.installEventFilter(this); | |
147 | } | |
148 | ||
149 | void MainBar::set_device_list( | |
150 | const std::list< std::shared_ptr<sigrok::Device> > &devices, | |
151 | shared_ptr<Device> selected) | |
152 | { | |
153 | int selected_index = -1; | |
154 | ||
155 | assert(selected); | |
156 | ||
157 | updating_device_selector_ = true; | |
158 | ||
159 | device_selector_.clear(); | |
160 | ||
161 | for (auto device : devices) { | |
162 | assert(device); | |
163 | ||
164 | string display_name = | |
165 | session_.device_manager().get_display_name(device); | |
166 | ||
167 | if (selected == device) | |
168 | selected_index = device_selector_.count(); | |
169 | ||
170 | device_selector_.addItem(display_name.c_str(), | |
171 | qVariantFromValue(device)); | |
172 | } | |
173 | ||
174 | // The selected device should have been in the list | |
175 | assert(selected_index != -1); | |
176 | device_selector_.setCurrentIndex(selected_index); | |
177 | ||
178 | update_device_config_widgets(); | |
179 | ||
180 | updating_device_selector_ = false; | |
181 | } | |
182 | ||
183 | shared_ptr<Device> MainBar::get_selected_device() const | |
184 | { | |
185 | const int index = device_selector_.currentIndex(); | |
186 | if (index < 0) | |
187 | return shared_ptr<Device>(); | |
188 | ||
189 | return device_selector_.itemData(index).value<shared_ptr<Device>>(); | |
190 | } | |
191 | ||
192 | void MainBar::set_capture_state(pv::Session::capture_state state) | |
193 | { | |
194 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
195 | run_stop_button_.setIcon(*icons[state]); | |
196 | run_stop_button_.setText((state == pv::Session::Stopped) ? | |
197 | tr("Run") : tr("Stop")); | |
198 | run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space)); | |
199 | } | |
200 | ||
201 | void MainBar::update_sample_rate_selector() | |
202 | { | |
203 | Glib::VariantContainerBase gvar_dict; | |
204 | GVariant *gvar_list; | |
205 | const uint64_t *elements = NULL; | |
206 | gsize num_elements; | |
207 | ||
208 | if (updating_sample_rate_) | |
209 | return; | |
210 | ||
211 | const shared_ptr<Device> device = get_selected_device(); | |
212 | if (!device) | |
213 | return; | |
214 | ||
215 | assert(!updating_sample_rate_); | |
216 | updating_sample_rate_ = true; | |
217 | ||
218 | const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS); | |
219 | const auto iter = keys.find(ConfigKey::SAMPLERATE); | |
220 | if (iter != keys.end() && | |
221 | (*iter).second.find(sigrok::LIST) != (*iter).second.end()) { | |
222 | const auto keys = device->config_keys( | |
223 | ConfigKey::DEVICE_OPTIONS); | |
224 | try { | |
225 | gvar_dict = device->config_list(ConfigKey::SAMPLERATE); | |
226 | } catch(const sigrok::Error &e) { | |
227 | // Failed to enunmerate samplerate | |
228 | (void)e; | |
229 | } | |
230 | } | |
231 | ||
232 | if (!gvar_dict) { | |
233 | sample_rate_.show_none(); | |
234 | updating_sample_rate_ = false; | |
235 | return; | |
236 | } | |
237 | ||
238 | if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(), | |
239 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
240 | { | |
241 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
242 | gvar_list, &num_elements, sizeof(uint64_t)); | |
243 | ||
244 | const uint64_t min = elements[0]; | |
245 | const uint64_t max = elements[1]; | |
246 | const uint64_t step = elements[2]; | |
247 | ||
248 | g_variant_unref(gvar_list); | |
249 | ||
250 | assert(min > 0); | |
251 | assert(max > 0); | |
252 | assert(max > min); | |
253 | assert(step > 0); | |
254 | ||
255 | if (step == 1) | |
256 | sample_rate_.show_125_list(min, max); | |
257 | else | |
258 | { | |
259 | // When the step is not 1, we cam't make a 1-2-5-10 | |
260 | // list of sample rates, because we may not be able to | |
261 | // make round numbers. Therefore in this case, show a | |
262 | // spin box. | |
263 | sample_rate_.show_min_max_step(min, max, step); | |
264 | } | |
265 | } | |
266 | else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(), | |
267 | "samplerates", G_VARIANT_TYPE("at")))) | |
268 | { | |
269 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
270 | gvar_list, &num_elements, sizeof(uint64_t)); | |
271 | sample_rate_.show_list(elements, num_elements); | |
272 | g_variant_unref(gvar_list); | |
273 | } | |
274 | updating_sample_rate_ = false; | |
275 | ||
276 | update_sample_rate_selector_value(); | |
277 | } | |
278 | ||
279 | void MainBar::update_sample_rate_selector_value() | |
280 | { | |
281 | if (updating_sample_rate_) | |
282 | return; | |
283 | ||
284 | const shared_ptr<Device> device = get_selected_device(); | |
285 | if (!device) | |
286 | return; | |
287 | ||
288 | try { | |
289 | auto gvar = device->config_get(ConfigKey::SAMPLERATE); | |
290 | uint64_t samplerate = | |
291 | Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get(); | |
292 | assert(!updating_sample_rate_); | |
293 | updating_sample_rate_ = true; | |
294 | sample_rate_.set_value(samplerate); | |
295 | updating_sample_rate_ = false; | |
296 | } catch (Error error) { | |
297 | qDebug() << "WARNING: Failed to get value of sample rate"; | |
298 | return; | |
299 | } | |
300 | } | |
301 | ||
302 | void MainBar::update_sample_count_selector() | |
303 | { | |
304 | if (updating_sample_count_) | |
305 | return; | |
306 | ||
307 | const shared_ptr<Device> device = get_selected_device(); | |
308 | if (!device) | |
309 | return; | |
310 | ||
311 | assert(!updating_sample_count_); | |
312 | updating_sample_count_ = true; | |
313 | ||
314 | if (!sample_count_supported_) | |
315 | { | |
316 | sample_count_.show_none(); | |
317 | updating_sample_count_ = false; | |
318 | return; | |
319 | } | |
320 | ||
321 | uint64_t sample_count = sample_count_.value(); | |
322 | uint64_t min_sample_count = 0; | |
323 | uint64_t max_sample_count = MaxSampleCount; | |
324 | ||
325 | if (sample_count == 0) | |
326 | sample_count = DefaultSampleCount; | |
327 | ||
328 | const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS); | |
329 | const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES); | |
330 | if (iter != keys.end() && | |
331 | (*iter).second.find(sigrok::LIST) != (*iter).second.end()) { | |
332 | try { | |
333 | auto gvar = | |
334 | device->config_list(ConfigKey::LIMIT_SAMPLES); | |
335 | if (gvar) | |
336 | g_variant_get(gvar.gobj(), "(tt)", | |
337 | &min_sample_count, &max_sample_count); | |
338 | } catch(const sigrok::Error &e) { | |
339 | // Failed to query sample limit | |
340 | (void)e; | |
341 | } | |
342 | } | |
343 | ||
344 | min_sample_count = min(max(min_sample_count, MinSampleCount), | |
345 | max_sample_count); | |
346 | ||
347 | sample_count_.show_125_list( | |
348 | min_sample_count, max_sample_count); | |
349 | ||
350 | try { | |
351 | auto gvar = device->config_get(ConfigKey::LIMIT_SAMPLES); | |
352 | sample_count = g_variant_get_uint64(gvar.gobj()); | |
353 | if (sample_count == 0) | |
354 | sample_count = DefaultSampleCount; | |
355 | sample_count = min(max(sample_count, MinSampleCount), | |
356 | max_sample_count); | |
357 | } catch (Error error) {} | |
358 | ||
359 | sample_count_.set_value(sample_count); | |
360 | ||
361 | updating_sample_count_ = false; | |
362 | } | |
363 | ||
364 | void MainBar::update_device_config_widgets() | |
365 | { | |
366 | using namespace pv::popups; | |
367 | ||
368 | const shared_ptr<Device> device = get_selected_device(); | |
369 | if (!device) | |
370 | return; | |
371 | ||
372 | // Update the configure popup | |
373 | DeviceOptions *const opts = new DeviceOptions(device, this); | |
374 | configure_button_action_->setVisible( | |
375 | !opts->binding().properties().empty()); | |
376 | configure_button_.set_popup(opts); | |
377 | ||
378 | // Update the channels popup | |
379 | Channels *const channels = new Channels(session_, this); | |
380 | channels_button_.set_popup(channels); | |
381 | ||
382 | // Update supported options. | |
383 | sample_count_supported_ = false; | |
384 | ||
385 | try { | |
386 | for (auto entry : device->config_keys(ConfigKey::DEVICE_OPTIONS)) | |
387 | { | |
388 | auto key = entry.first; | |
389 | auto capabilities = entry.second; | |
390 | switch (key->id()) { | |
391 | case SR_CONF_LIMIT_SAMPLES: | |
392 | if (capabilities.count(Capability::SET)) | |
393 | sample_count_supported_ = true; | |
394 | break; | |
395 | case SR_CONF_LIMIT_FRAMES: | |
396 | if (capabilities.count(Capability::SET)) | |
397 | { | |
398 | device->config_set(ConfigKey::LIMIT_FRAMES, | |
399 | Glib::Variant<guint64>::create(1)); | |
400 | on_config_changed(); | |
401 | } | |
402 | break; | |
403 | default: | |
404 | break; | |
405 | } | |
406 | } | |
407 | } catch (Error error) {} | |
408 | ||
409 | // Add notification of reconfigure events | |
410 | disconnect(this, SLOT(on_config_changed())); | |
411 | connect(&opts->binding(), SIGNAL(config_changed()), | |
412 | this, SLOT(on_config_changed())); | |
413 | ||
414 | // Update sweep timing widgets. | |
415 | update_sample_count_selector(); | |
416 | update_sample_rate_selector(); | |
417 | } | |
418 | ||
419 | void MainBar::commit_sample_count() | |
420 | { | |
421 | uint64_t sample_count = 0; | |
422 | ||
423 | if (updating_sample_count_) | |
424 | return; | |
425 | ||
426 | const shared_ptr<Device> device = get_selected_device(); | |
427 | if (!device) | |
428 | return; | |
429 | ||
430 | sample_count = sample_count_.value(); | |
431 | ||
432 | // Set the sample count | |
433 | assert(!updating_sample_count_); | |
434 | updating_sample_count_ = true; | |
435 | if (sample_count_supported_) | |
436 | { | |
437 | try { | |
438 | device->config_set(ConfigKey::LIMIT_SAMPLES, | |
439 | Glib::Variant<guint64>::create(sample_count)); | |
440 | on_config_changed(); | |
441 | } catch (Error error) { | |
442 | qDebug() << "Failed to configure sample count."; | |
443 | return; | |
444 | } | |
445 | } | |
446 | updating_sample_count_ = false; | |
447 | } | |
448 | ||
449 | void MainBar::commit_sample_rate() | |
450 | { | |
451 | uint64_t sample_rate = 0; | |
452 | ||
453 | if (updating_sample_rate_) | |
454 | return; | |
455 | ||
456 | const shared_ptr<Device> device = get_selected_device(); | |
457 | if (!device) | |
458 | return; | |
459 | ||
460 | sample_rate = sample_rate_.value(); | |
461 | if (sample_rate == 0) | |
462 | return; | |
463 | ||
464 | // Set the samplerate | |
465 | assert(!updating_sample_rate_); | |
466 | updating_sample_rate_ = true; | |
467 | try { | |
468 | device->config_set(ConfigKey::SAMPLERATE, | |
469 | Glib::Variant<guint64>::create(sample_rate)); | |
470 | on_config_changed(); | |
471 | } catch (Error error) { | |
472 | qDebug() << "Failed to configure samplerate."; | |
473 | return; | |
474 | } | |
475 | updating_sample_rate_ = false; | |
476 | } | |
477 | ||
478 | void MainBar::on_device_selected() | |
479 | { | |
480 | if (updating_device_selector_) | |
481 | return; | |
482 | ||
483 | shared_ptr<Device> device = get_selected_device(); | |
484 | if (!device) | |
485 | return; | |
486 | ||
487 | main_window_.select_device(device); | |
488 | ||
489 | update_device_config_widgets(); | |
490 | } | |
491 | ||
492 | void MainBar::on_sample_count_changed() | |
493 | { | |
494 | commit_sample_count(); | |
495 | } | |
496 | ||
497 | void MainBar::on_sample_rate_changed() | |
498 | { | |
499 | commit_sample_rate(); | |
500 | } | |
501 | ||
502 | void MainBar::on_run_stop() | |
503 | { | |
504 | commit_sample_count(); | |
505 | commit_sample_rate(); | |
506 | main_window_.run_stop(); | |
507 | } | |
508 | ||
509 | void MainBar::on_config_changed() | |
510 | { | |
511 | commit_sample_count(); | |
512 | update_sample_count_selector(); | |
513 | commit_sample_rate(); | |
514 | update_sample_rate_selector(); | |
515 | } | |
516 | ||
517 | bool MainBar::eventFilter(QObject *watched, QEvent *event) | |
518 | { | |
519 | if ((watched == &sample_count_ || watched == &sample_rate_) && | |
520 | (event->type() == QEvent::ToolTip)) { | |
521 | double sec = (double)sample_count_.value() / sample_rate_.value(); | |
522 | QHelpEvent *help_event = static_cast<QHelpEvent*>(event); | |
523 | ||
524 | QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec)); | |
525 | QToolTip::showText(help_event->globalPos(), str); | |
526 | ||
527 | return true; | |
528 | } | |
529 | ||
530 | return false; | |
531 | } | |
532 | ||
533 | } // namespace toolbars | |
534 | } // namespace pv |