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