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 <QHelpEvent>
  29 #include <QMenu>
  30 #include <QToolTip>
  31
  32 #include "mainbar.hpp"
  33
  34 #include <pv/devicemanager.hpp>
  35 #include <pv/devices/hardwaredevice.hpp>
  36 #include <pv/mainwindow.hpp>
  37 #include <pv/popups/deviceoptions.hpp>
  38 #include <pv/popups/channels.hpp>
  39 #include <pv/util.hpp>
  40 #include <pv/widgets/exportmenu.hpp>
  41 #include <pv/widgets/importmenu.hpp>
  42
  43 #include <libsigrokcxx/libsigrokcxx.hpp>
  44
  45 using std::back_inserter;
  46 using std::copy;
  47 using std::list;
  48 using std::map;
  49 using std::max;
  50 using std::min;
  51 using std::shared_ptr;
  52 using std::string;
  53 using std::vector;
  54
  55 using sigrok::Capability;
  56 using sigrok::ConfigKey;
  57 using sigrok::Error;
  58 using sigrok::InputFormat;
  59
  60 namespace pv {
  61 namespace toolbars {
  62
  63 const uint64_t MainBar::MinSampleCount = 100ULL;
  64 const uint64_t MainBar::MaxSampleCount = 1000000000000ULL;
  65 const uint64_t MainBar::DefaultSampleCount = 1000000;
  66
  67 MainBar::MainBar(Session &session, MainWindow &main_window) :
  68         QToolBar("Sampling Bar", &main_window),
  69         session_(session),
  70         main_window_(main_window),
  71         device_selector_(this, session.device_manager(),
  72                 main_window.action_connect()),
  73         configure_button_(this),
  74         configure_button_action_(nullptr),
  75         channels_button_(this),
  76         channels_button_action_(nullptr),
  77         sample_count_(" samples", this),
  78         sample_rate_("Hz", this),
  79         updating_sample_rate_(false),
  80         updating_sample_count_(false),
  81         sample_count_supported_(false),
  82         icon_red_(":/icons/status-red.svg"),
  83         icon_green_(":/icons/status-green.svg"),
  84         icon_grey_(":/icons/status-grey.svg"),
  85         run_stop_button_(this),
  86         run_stop_button_action_(nullptr),
  87         menu_button_(this)
  88 {
  89         setObjectName(QString::fromUtf8("MainBar"));
  90
  91         setMovable(false);
  92         setFloatable(false);
  93         setContextMenuPolicy(Qt::PreventContextMenu);
  94
  95         // Open button
  96         QToolButton *const open_button = new QToolButton(this);
  97
  98         widgets::ImportMenu *import_menu = new widgets::ImportMenu(this,
  99                 session.device_manager().context(),
 100                 main_window.action_open());
 101         connect(import_menu,
 102                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 103                 &main_window_,
 104                 SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 105
 106         open_button->setMenu(import_menu);
 107         open_button->setDefaultAction(main_window.action_open());
 108         open_button->setPopupMode(QToolButton::MenuButtonPopup);
 109
 110         // Save button
 111         QToolButton *const save_button = new QToolButton(this);
 112
 113         vector<QAction *> open_actions;
 114         open_actions.push_back(main_window.action_save_as());
 115         open_actions.push_back(main_window.action_save_selection_as());
 116
 117         widgets::ExportMenu *export_menu = new widgets::ExportMenu(this,
 118                 session.device_manager().context(),
 119                 open_actions);
 120         connect(export_menu,
 121                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 122                 &main_window_,
 123                 SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 124
 125         save_button->setMenu(export_menu);
 126         save_button->setDefaultAction(main_window.action_save_as());
 127         save_button->setPopupMode(QToolButton::MenuButtonPopup);
 128
 129         // Device selector menu
 130         connect(&device_selector_, SIGNAL(device_selected()),
 131                 this, SLOT(on_device_selected()));
 132
 133         // Setup the decoder button
 134 #ifdef ENABLE_DECODE
 135         QToolButton *add_decoder_button = new QToolButton(this);
 136         add_decoder_button->setIcon(QIcon::fromTheme("add-decoder",
 137                 QIcon(":/icons/add-decoder.svg")));
 138         add_decoder_button->setPopupMode(QToolButton::InstantPopup);
 139         add_decoder_button->setMenu(main_window_.menu_decoder_add());
 140 #endif
 141
 142         // Setup the burger menu
 143         QMenu *const menu = new QMenu(this);
 144
 145         QMenu *const menu_view = new QMenu;
 146         menu_view->setTitle(tr("&View"));
 147         menu_view->addAction(main_window.action_view_sticky_scrolling());
 148
 149         QMenu *const menu_help = new QMenu;
 150         menu_help->setTitle(tr("&Help"));
 151         menu_help->addAction(main_window.action_about());
 152
 153         menu->addAction(menu_view->menuAction());
 154         menu->addSeparator();
 155         menu->addAction(menu_help->menuAction());
 156         menu->addSeparator();
 157         menu->addAction(main_window.action_quit());
 158
 159         menu_button_.setMenu(menu);
 160         menu_button_.setPopupMode(QToolButton::InstantPopup);
 161         menu_button_.setIcon(QIcon::fromTheme("menu",
 162                 QIcon(":/icons/menu.svg")));
 163
 164         // Setup the toolbar
 165         addWidget(open_button);
 166         addWidget(save_button);
 167         addSeparator();
 168         addAction(main_window.action_view_zoom_in());
 169         addAction(main_window.action_view_zoom_out());
 170         addAction(main_window.action_view_zoom_fit());
 171         addAction(main_window.action_view_zoom_one_to_one());
 172         addSeparator();
 173         addAction(main_window.action_view_show_cursors());
 174         addSeparator();
 175
 176         connect(&run_stop_button_, SIGNAL(clicked()),
 177                 this, SLOT(on_run_stop()));
 178         connect(&sample_count_, SIGNAL(value_changed()),
 179                 this, SLOT(on_sample_count_changed()));
 180         connect(&sample_rate_, SIGNAL(value_changed()),
 181                 this, SLOT(on_sample_rate_changed()));
 182
 183         sample_count_.show_min_max_step(0, UINT64_MAX, 1);
 184
 185         set_capture_state(pv::Session::Stopped);
 186
 187         configure_button_.setIcon(QIcon::fromTheme("configure",
 188                 QIcon(":/icons/configure.png")));
 189
 190         channels_button_.setIcon(QIcon::fromTheme("channels",
 191                 QIcon(":/icons/channels.svg")));
 192
 193         run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 194
 195         addWidget(&device_selector_);
 196         configure_button_action_ = addWidget(&configure_button_);
 197         channels_button_action_ = addWidget(&channels_button_);
 198         addWidget(&sample_count_);
 199         addWidget(&sample_rate_);
 200         run_stop_button_action_ = addWidget(&run_stop_button_);
 201 #ifdef ENABLE_DECODE
 202         addSeparator();
 203         addWidget(add_decoder_button);
 204 #endif
 205
 206         QWidget *const spacer = new QWidget();
 207         spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 208         addWidget(spacer);
 209
 210         addWidget(&menu_button_);
 211
 212         sample_count_.installEventFilter(this);
 213         sample_rate_.installEventFilter(this);
 214 }
 215
 216 void MainBar::update_device_list()
 217 {
 218         DeviceManager &mgr = session_.device_manager();
 219         shared_ptr<devices::Device> selected_device = session_.device();
 220         list< shared_ptr<devices::Device> > devs;
 221
 222         copy(mgr.devices().begin(), mgr.devices().end(), back_inserter(devs));
 223
 224         if (std::find(devs.begin(), devs.end(), selected_device) == devs.end())
 225                 devs.push_back(selected_device);
 226
 227         device_selector_.set_device_list(devs, selected_device);
 228         update_device_config_widgets();
 229 }
 230
 231
 232 void MainBar::set_capture_state(pv::Session::capture_state state)
 233 {
 234         const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_};
 235         run_stop_button_.setIcon(*icons[state]);
 236         run_stop_button_.setText((state == pv::Session::Stopped) ?
 237                 tr("Run") : tr("Stop"));
 238         run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space));
 239
 240         bool ui_enabled = (state == pv::Session::Stopped) ? true : false;
 241
 242         device_selector_.setEnabled(ui_enabled);
 243         configure_button_.setEnabled(ui_enabled);
 244         channels_button_.setEnabled(ui_enabled);
 245         sample_count_.setEnabled(ui_enabled);
 246         sample_rate_.setEnabled(ui_enabled);
 247 }
 248
 249 void MainBar::update_sample_rate_selector()
 250 {
 251         Glib::VariantContainerBase gvar_dict;
 252         GVariant *gvar_list;
 253         const uint64_t *elements = nullptr;
 254         gsize num_elements;
 255         map< const ConfigKey*, std::set<Capability> > keys;
 256
 257         if (updating_sample_rate_) {
 258                 sample_rate_.show_none();
 259                 return;
 260         }
 261
 262         const shared_ptr<devices::Device> device =
 263                 device_selector_.selected_device();
 264         if (!device)
 265                 return;
 266
 267         assert(!updating_sample_rate_);
 268         updating_sample_rate_ = true;
 269
 270         const shared_ptr<sigrok::Device> sr_dev = device->device();
 271
 272         if (sr_dev->config_check(ConfigKey::SAMPLERATE, Capability::LIST)) {
 273                 gvar_dict = sr_dev->config_list(ConfigKey::SAMPLERATE);
 274         } else {
 275                 sample_rate_.show_none();
 276                 updating_sample_rate_ = false;
 277                 return;
 278         }
 279
 280         if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 281                         "samplerate-steps", G_VARIANT_TYPE("at")))) {
 282                 elements = (const uint64_t *)g_variant_get_fixed_array(
 283                                 gvar_list, &num_elements, sizeof(uint64_t));
 284
 285                 const uint64_t min = elements[0];
 286                 const uint64_t max = elements[1];
 287                 const uint64_t step = elements[2];
 288
 289                 g_variant_unref(gvar_list);
 290
 291                 assert(min > 0);
 292                 assert(max > 0);
 293                 assert(max > min);
 294                 assert(step > 0);
 295
 296                 if (step == 1)
 297                         sample_rate_.show_125_list(min, max);
 298                 else {
 299                         // When the step is not 1, we cam't make a 1-2-5-10
 300                         // list of sample rates, because we may not be able to
 301                         // make round numbers. Therefore in this case, show a
 302                         // spin box.
 303                         sample_rate_.show_min_max_step(min, max, step);
 304                 }
 305         } else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(),
 306                         "samplerates", G_VARIANT_TYPE("at")))) {
 307                 elements = (const uint64_t *)g_variant_get_fixed_array(
 308                                 gvar_list, &num_elements, sizeof(uint64_t));
 309                 sample_rate_.show_list(elements, num_elements);
 310                 g_variant_unref(gvar_list);
 311         }
 312         updating_sample_rate_ = false;
 313
 314         update_sample_rate_selector_value();
 315 }
 316
 317 void MainBar::update_sample_rate_selector_value()
 318 {
 319         if (updating_sample_rate_)
 320                 return;
 321
 322         const shared_ptr<devices::Device> device =
 323                 device_selector_.selected_device();
 324         if (!device)
 325                 return;
 326
 327         try {
 328                 auto gvar = device->device()->config_get(ConfigKey::SAMPLERATE);
 329                 uint64_t samplerate =
 330                         Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get();
 331                 assert(!updating_sample_rate_);
 332                 updating_sample_rate_ = true;
 333                 sample_rate_.set_value(samplerate);
 334                 updating_sample_rate_ = false;
 335         } catch (Error error) {
 336                 qDebug() << "WARNING: Failed to get value of sample rate";
 337                 return;
 338         }
 339 }
 340
 341 void MainBar::update_sample_count_selector()
 342 {
 343         if (updating_sample_count_)
 344                 return;
 345
 346         const shared_ptr<devices::Device> device =
 347                 device_selector_.selected_device();
 348         if (!device)
 349                 return;
 350
 351         const shared_ptr<sigrok::Device> sr_dev = device->device();
 352
 353         assert(!updating_sample_count_);
 354         updating_sample_count_ = true;
 355
 356         if (!sample_count_supported_) {
 357                 sample_count_.show_none();
 358                 updating_sample_count_ = false;
 359                 return;
 360         }
 361
 362         uint64_t sample_count = sample_count_.value();
 363         uint64_t min_sample_count = 0;
 364         uint64_t max_sample_count = MaxSampleCount;
 365
 366         if (sample_count == 0)
 367                 sample_count = DefaultSampleCount;
 368
 369         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::LIST)) {
 370                 auto gvar = sr_dev->config_list(ConfigKey::LIMIT_SAMPLES);
 371                 if (gvar.gobj())
 372                         g_variant_get(gvar.gobj(), "(tt)",
 373                                 &min_sample_count, &max_sample_count);
 374         }
 375
 376         min_sample_count = min(max(min_sample_count, MinSampleCount),
 377                 max_sample_count);
 378
 379         sample_count_.show_125_list(
 380                 min_sample_count, max_sample_count);
 381
 382         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::GET)) {
 383                 auto gvar = sr_dev->config_get(ConfigKey::LIMIT_SAMPLES);
 384                 sample_count = g_variant_get_uint64(gvar.gobj());
 385                 if (sample_count == 0)
 386                         sample_count = DefaultSampleCount;
 387                 sample_count = min(max(sample_count, MinSampleCount),
 388                         max_sample_count);
 389         }
 390
 391         sample_count_.set_value(sample_count);
 392
 393         updating_sample_count_ = false;
 394 }
 395
 396 void MainBar::update_device_config_widgets()
 397 {
 398         using namespace pv::popups;
 399
 400         const shared_ptr<devices::Device> device =
 401                 device_selector_.selected_device();
 402
 403         // Hide the widgets if no device is selected
 404         channels_button_action_->setVisible(!!device);
 405         run_stop_button_action_->setVisible(!!device);
 406         if (!device) {
 407                 configure_button_action_->setVisible(false);
 408                 sample_count_.show_none();
 409                 sample_rate_.show_none();
 410                 return;
 411         }
 412
 413         const shared_ptr<sigrok::Device> sr_dev = device->device();
 414         if (!sr_dev)
 415                 return;
 416
 417         // Update the configure popup
 418         DeviceOptions *const opts = new DeviceOptions(sr_dev, this);
 419         configure_button_action_->setVisible(
 420                 !opts->binding().properties().empty());
 421         configure_button_.set_popup(opts);
 422
 423         // Update the channels popup
 424         Channels *const channels = new Channels(session_, this);
 425         channels_button_.set_popup(channels);
 426
 427         // Update supported options.
 428         sample_count_supported_ = false;
 429
 430         if (sr_dev->config_check(ConfigKey::LIMIT_SAMPLES, Capability::SET))
 431                 sample_count_supported_ = true;
 432
 433         if (sr_dev->config_check(ConfigKey::LIMIT_FRAMES, Capability::SET)) {
 434                 sr_dev->config_set(ConfigKey::LIMIT_FRAMES,
 435                         Glib::Variant<guint64>::create(1));
 436                         on_config_changed();
 437         }
 438
 439         // Add notification of reconfigure events
 440         disconnect(this, SLOT(on_config_changed()));
 441         connect(&opts->binding(), SIGNAL(config_changed()),
 442                 this, SLOT(on_config_changed()));
 443
 444         // Update sweep timing widgets.
 445         update_sample_count_selector();
 446         update_sample_rate_selector();
 447 }
 448
 449 void MainBar::commit_sample_count()
 450 {
 451         uint64_t sample_count = 0;
 452
 453         const shared_ptr<devices::Device> device =
 454                 device_selector_.selected_device();
 455         if (!device)
 456                 return;
 457
 458         const shared_ptr<sigrok::Device> sr_dev = device->device();
 459
 460         sample_count = sample_count_.value();
 461         if (sample_count_supported_) {
 462                 try {
 463                         sr_dev->config_set(ConfigKey::LIMIT_SAMPLES,
 464                                 Glib::Variant<guint64>::create(sample_count));
 465                         update_sample_count_selector();
 466                 } catch (Error error) {
 467                         qDebug() << "Failed to configure sample count.";
 468                         return;
 469                 }
 470         }
 471
 472         // Devices with built-in memory might impose limits on certain
 473         // configurations, so let's check what sample rate the driver
 474         // lets us use now.
 475         update_sample_rate_selector();
 476 }
 477
 478 void MainBar::commit_sample_rate()
 479 {
 480         uint64_t sample_rate = 0;
 481
 482         const shared_ptr<devices::Device> device =
 483                 device_selector_.selected_device();
 484         if (!device)
 485                 return;
 486
 487         const shared_ptr<sigrok::Device> sr_dev = device->device();
 488
 489         sample_rate = sample_rate_.value();
 490         if (sample_rate == 0)
 491                 return;
 492
 493         try {
 494                 sr_dev->config_set(ConfigKey::SAMPLERATE,
 495                         Glib::Variant<guint64>::create(sample_rate));
 496                 update_sample_rate_selector();
 497         } catch (Error error) {
 498                 qDebug() << "Failed to configure samplerate.";
 499                 return;
 500         }
 501
 502         // Devices with built-in memory might impose limits on certain
 503         // configurations, so let's check what sample count the driver
 504         // lets us use now.
 505         update_sample_count_selector();
 506 }
 507
 508 void MainBar::on_device_selected()
 509 {
 510         shared_ptr<devices::Device> device = device_selector_.selected_device();
 511         if (!device)
 512                 return;
 513
 514         main_window_.select_device(device);
 515
 516         update_device_config_widgets();
 517 }
 518
 519 void MainBar::on_sample_count_changed()
 520 {
 521         if (!updating_sample_count_)
 522                 commit_sample_count();
 523 }
 524
 525 void MainBar::on_sample_rate_changed()
 526 {
 527         if (!updating_sample_rate_)
 528                 commit_sample_rate();
 529 }
 530
 531 void MainBar::on_run_stop()
 532 {
 533         commit_sample_count();
 534         commit_sample_rate();
 535         main_window_.run_stop();
 536 }
 537
 538 void MainBar::on_config_changed()
 539 {
 540         commit_sample_count();
 541         commit_sample_rate();
 542 }
 543
 544 bool MainBar::eventFilter(QObject *watched, QEvent *event)
 545 {
 546         if (sample_count_supported_ && (watched == &sample_count_ ||
 547                         watched == &sample_rate_) &&
 548                         (event->type() == QEvent::ToolTip)) {
 549                 auto sec = pv::util::Timestamp(sample_count_.value()) / sample_rate_.value();
 550                 QHelpEvent *help_event = static_cast<QHelpEvent*>(event);
 551
 552                 QString str = tr("Total sampling time: %1").arg(
 553                         pv::util::format_time_si(sec, pv::util::SIPrefix::unspecified, 0, "s", false));
 554                 QToolTip::showText(help_event->globalPos(), str);
 555
 556                 return true;
 557         }
 558
 559         return false;
 560 }
 561
 562 } // namespace toolbars
 563 } // namespace pv