pv/mainwindow.cpp

   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 <cassert>
  22
  23 #ifdef ENABLE_DECODE
  24 #include <libsigrokdecode/libsigrokdecode.h>
  25 #endif
  26
  27 #include <algorithm>
  28 #include <iterator>
  29
  30 #include <boost/algorithm/string/join.hpp>
  31
  32 #include <QAction>
  33 #include <QApplication>
  34 #include <QButtonGroup>
  35 #include <QCloseEvent>
  36 #include <QFileDialog>
  37 #include <QMessageBox>
  38 #include <QMenu>
  39 #include <QMenuBar>
  40 #include <QSettings>
  41 #include <QStatusBar>
  42 #include <QVBoxLayout>
  43 #include <QWidget>
  44
  45 #include "mainwindow.hpp"
  46
  47 #include "devicemanager.hpp"
  48 #include "util.hpp"
  49 #include "data/segment.hpp"
  50 #include "devices/hardwaredevice.hpp"
  51 #include "devices/inputfile.hpp"
  52 #include "devices/sessionfile.hpp"
  53 #include "dialogs/about.hpp"
  54 #include "dialogs/connect.hpp"
  55 #include "dialogs/inputoutputoptions.hpp"
  56 #include "dialogs/storeprogress.hpp"
  57 #include "toolbars/mainbar.hpp"
  58 #include "view/logicsignal.hpp"
  59 #include "view/view.hpp"
  60 #include "widgets/exportmenu.hpp"
  61 #include "widgets/importmenu.hpp"
  62 #ifdef ENABLE_DECODE
  63 #include "widgets/decodermenu.hpp"
  64 #endif
  65 #include "widgets/hidingmenubar.hpp"
  66
  67 #include <inttypes.h>
  68 #include <stdint.h>
  69 #include <stdarg.h>
  70 #include <glib.h>
  71 #include <libsigrokcxx/libsigrokcxx.hpp>
  72
  73 using std::cerr;
  74 using std::endl;
  75 using std::list;
  76 using std::map;
  77 using std::pair;
  78 using std::shared_ptr;
  79 using std::string;
  80 using std::vector;
  81
  82 using boost::algorithm::join;
  83
  84 using sigrok::Error;
  85 using sigrok::OutputFormat;
  86 using sigrok::InputFormat;
  87
  88 namespace pv {
  89
  90 namespace view {
  91 class ViewItem;
  92 }
  93
  94 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  95 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
  96
  97 MainWindow::MainWindow(DeviceManager &device_manager,
  98         string open_file_name, string open_file_format,
  99         QWidget *parent) :
 100         QMainWindow(parent),
 101         device_manager_(device_manager),
 102         session_(device_manager),
 103         action_open_(new QAction(this)),
 104         action_save_as_(new QAction(this)),
 105         action_save_selection_as_(new QAction(this)),
 106         action_connect_(new QAction(this)),
 107         action_quit_(new QAction(this)),
 108         action_view_zoom_in_(new QAction(this)),
 109         action_view_zoom_out_(new QAction(this)),
 110         action_view_zoom_fit_(new QAction(this)),
 111         action_view_zoom_one_to_one_(new QAction(this)),
 112         action_view_sticky_scrolling_(new QAction(this)),
 113         action_view_coloured_bg_(new QAction(this)),
 114         action_view_show_cursors_(new QAction(this)),
 115         action_about_(new QAction(this))
 116 #ifdef ENABLE_DECODE
 117         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 118 #endif
 119 {
 120         qRegisterMetaType<util::Timestamp>("util::Timestamp");
 121
 122         setup_ui();
 123         restore_ui_settings();
 124         if (open_file_name.empty())
 125                 select_init_device();
 126         else
 127                 load_init_file(open_file_name, open_file_format);
 128 }
 129
 130 QAction* MainWindow::action_open() const
 131 {
 132         return action_open_;
 133 }
 134
 135 QAction* MainWindow::action_save_as() const
 136 {
 137         return action_save_as_;
 138 }
 139
 140 QAction* MainWindow::action_save_selection_as() const
 141 {
 142         return action_save_selection_as_;
 143 }
 144
 145 QAction* MainWindow::action_connect() const
 146 {
 147         return action_connect_;
 148 }
 149
 150 QAction* MainWindow::action_quit() const
 151 {
 152         return action_quit_;
 153 }
 154
 155 QAction* MainWindow::action_view_zoom_in() const
 156 {
 157         return action_view_zoom_in_;
 158 }
 159
 160 QAction* MainWindow::action_view_zoom_out() const
 161 {
 162         return action_view_zoom_out_;
 163 }
 164
 165 QAction* MainWindow::action_view_zoom_fit() const
 166 {
 167         return action_view_zoom_fit_;
 168 }
 169
 170 QAction* MainWindow::action_view_zoom_one_to_one() const
 171 {
 172         return action_view_zoom_one_to_one_;
 173 }
 174
 175 QAction* MainWindow::action_view_sticky_scrolling() const
 176 {
 177         return action_view_sticky_scrolling_;
 178 }
 179
 180 QAction* MainWindow::action_view_coloured_bg() const
 181 {
 182         return action_view_coloured_bg_;
 183 }
 184
 185 QAction* MainWindow::action_view_show_cursors() const
 186 {
 187         return action_view_show_cursors_;
 188 }
 189
 190 QAction* MainWindow::action_about() const
 191 {
 192         return action_about_;
 193 }
 194
 195 #ifdef ENABLE_DECODE
 196 QMenu* MainWindow::menu_decoder_add() const
 197 {
 198         return menu_decoders_add_;
 199 }
 200 #endif
 201
 202 void MainWindow::run_stop()
 203 {
 204         switch (session_.get_capture_state()) {
 205         case Session::Stopped:
 206                 session_.start_capture([&](QString message) {
 207                         session_error("Capture failed", message); });
 208                 break;
 209         case Session::AwaitingTrigger:
 210         case Session::Running:
 211                 session_.stop_capture();
 212                 break;
 213         }
 214 }
 215
 216 void MainWindow::select_device(shared_ptr<devices::Device> device)
 217 {
 218         try {
 219                 if (device)
 220                         session_.set_device(device);
 221                 else
 222                         session_.set_default_device();
 223         } catch (const QString &e) {
 224                 QMessageBox msg(this);
 225                 msg.setText(e);
 226                 msg.setInformativeText(tr("Failed to Select Device"));
 227                 msg.setStandardButtons(QMessageBox::Ok);
 228                 msg.setIcon(QMessageBox::Warning);
 229                 msg.exec();
 230         }
 231 }
 232
 233 void MainWindow::export_file(shared_ptr<OutputFormat> format,
 234         bool selection_only)
 235 {
 236         using pv::dialogs::StoreProgress;
 237
 238         // Stop any currently running capture session
 239         session_.stop_capture();
 240
 241         QSettings settings;
 242         const QString dir = settings.value(SettingSaveDirectory).toString();
 243
 244         std::pair<uint64_t, uint64_t> sample_range;
 245
 246         // Selection only? Verify that the cursors are active and fetch their values
 247         if (selection_only) {
 248                 if (!view_->cursors()->enabled()) {
 249                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 250                                         "cursors before you can save the data enclosed by them " \
 251                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 252                         return;
 253                 }
 254
 255                 const double samplerate = session_.get_samplerate();
 256
 257                 const pv::util::Timestamp& start_time = view_->cursors()->first()->time();
 258                 const pv::util::Timestamp& end_time = view_->cursors()->second()->time();
 259
 260                 const uint64_t start_sample = start_time.convert_to<double>() * samplerate;
 261                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 262
 263                 sample_range = std::make_pair(start_sample, end_sample);
 264         } else {
 265                 sample_range = std::make_pair(0, 0);
 266         }
 267
 268         // Construct the filter
 269         const vector<string> exts = format->extensions();
 270         QString filter = tr("%1 files ").arg(
 271                 QString::fromStdString(format->description()));
 272
 273         if (exts.empty())
 274                 filter += "(*.*)";
 275         else
 276                 filter += QString("(*.%1);;%2 (*.*)").arg(
 277                         QString::fromStdString(join(exts, ", *."))).arg(
 278                         tr("All Files"));
 279
 280         // Show the file dialog
 281         const QString file_name = QFileDialog::getSaveFileName(
 282                 this, tr("Save File"), dir, filter);
 283
 284         if (file_name.isEmpty())
 285                 return;
 286
 287         const QString abs_path = QFileInfo(file_name).absolutePath();
 288         settings.setValue(SettingSaveDirectory, abs_path);
 289
 290         // Show the options dialog
 291         map<string, Glib::VariantBase> options;
 292         if (!format->options().empty()) {
 293                 dialogs::InputOutputOptions dlg(
 294                         tr("Export %1").arg(QString::fromStdString(
 295                                 format->description())),
 296                         format->options(), this);
 297                 if (!dlg.exec())
 298                         return;
 299                 options = dlg.options();
 300         }
 301
 302         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 303                 sample_range, session_, this);
 304         dlg->run();
 305 }
 306
 307 void MainWindow::import_file(shared_ptr<InputFormat> format)
 308 {
 309         assert(format);
 310
 311         QSettings settings;
 312         const QString dir = settings.value(SettingOpenDirectory).toString();
 313
 314         // Construct the filter
 315         const vector<string> exts = format->extensions();
 316         const QString filter = exts.empty() ? "" :
 317                 tr("%1 files (*.%2)").arg(
 318                         QString::fromStdString(format->description())).arg(
 319                         QString::fromStdString(join(exts, ", *.")));
 320
 321         // Show the file dialog
 322         const QString file_name = QFileDialog::getOpenFileName(
 323                 this, tr("Import File"), dir, tr(
 324                         "%1 files (*.*);;All Files (*.*)").arg(
 325                         QString::fromStdString(format->description())));
 326
 327         if (file_name.isEmpty())
 328                 return;
 329
 330         // Show the options dialog
 331         map<string, Glib::VariantBase> options;
 332         if (!format->options().empty()) {
 333                 dialogs::InputOutputOptions dlg(
 334                         tr("Import %1").arg(QString::fromStdString(
 335                                 format->description())),
 336                         format->options(), this);
 337                 if (!dlg.exec())
 338                         return;
 339                 options = dlg.options();
 340         }
 341
 342         load_file(file_name, format, options);
 343
 344         const QString abs_path = QFileInfo(file_name).absolutePath();
 345         settings.setValue(SettingOpenDirectory, abs_path);
 346 }
 347
 348 void MainWindow::setup_ui()
 349 {
 350         setObjectName(QString::fromUtf8("MainWindow"));
 351
 352         // Set the window icon
 353         QIcon icon;
 354         icon.addFile(QString(":/icons/sigrok-logo-notext.svg"));
 355         setWindowIcon(icon);
 356
 357         // Setup the central widget
 358         central_widget_ = new QWidget(this);
 359         vertical_layout_ = new QVBoxLayout(central_widget_);
 360         vertical_layout_->setSpacing(6);
 361         vertical_layout_->setContentsMargins(0, 0, 0, 0);
 362         setCentralWidget(central_widget_);
 363
 364         view_ = new pv::view::View(session_, this);
 365
 366         vertical_layout_->addWidget(view_);
 367
 368         // Setup the menu bar
 369         pv::widgets::HidingMenuBar *const menu_bar =
 370                 new pv::widgets::HidingMenuBar(this);
 371
 372         // File Menu
 373         QMenu *const menu_file = new QMenu;
 374         menu_file->setTitle(tr("&File"));
 375
 376         action_open_->setText(tr("&Open..."));
 377         action_open_->setIcon(QIcon::fromTheme("document-open",
 378                 QIcon(":/icons/document-open.png")));
 379         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 380         action_open_->setObjectName(QString::fromUtf8("actionOpen"));
 381         menu_file->addAction(action_open_);
 382
 383         action_save_as_->setText(tr("&Save As..."));
 384         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 385                 QIcon(":/icons/document-save-as.png")));
 386         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 387         action_save_as_->setObjectName(QString::fromUtf8("actionSaveAs"));
 388         menu_file->addAction(action_save_as_);
 389
 390         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 391         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 392                 QIcon(":/icons/document-save-as.png")));
 393         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 394         action_save_selection_as_->setObjectName(QString::fromUtf8("actionSaveSelectionAs"));
 395         menu_file->addAction(action_save_selection_as_);
 396
 397         menu_file->addSeparator();
 398
 399         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 400                 device_manager_.context());
 401         menu_file_export->setTitle(tr("&Export"));
 402         connect(menu_file_export,
 403                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 404                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 405         menu_file->addAction(menu_file_export->menuAction());
 406
 407         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 408                 device_manager_.context());
 409         menu_file_import->setTitle(tr("&Import"));
 410         connect(menu_file_import,
 411                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 412                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 413         menu_file->addAction(menu_file_import->menuAction());
 414
 415         menu_file->addSeparator();
 416
 417         action_connect_->setText(tr("&Connect to Device..."));
 418         action_connect_->setObjectName(QString::fromUtf8("actionConnect"));
 419         menu_file->addAction(action_connect_);
 420
 421         menu_file->addSeparator();
 422
 423         action_quit_->setText(tr("&Quit"));
 424         action_quit_->setIcon(QIcon::fromTheme("application-exit",
 425                 QIcon(":/icons/application-exit.png")));
 426         action_quit_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 427         action_quit_->setObjectName(QString::fromUtf8("actionQuit"));
 428         menu_file->addAction(action_quit_);
 429
 430         // View Menu
 431         QMenu *menu_view = new QMenu;
 432         menu_view->setTitle(tr("&View"));
 433
 434         action_view_zoom_in_->setText(tr("Zoom &In"));
 435         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 436                 QIcon(":/icons/zoom-in.png")));
 437         // simply using Qt::Key_Plus shows no + in the menu
 438         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 439         action_view_zoom_in_->setObjectName(
 440                 QString::fromUtf8("actionViewZoomIn"));
 441         menu_view->addAction(action_view_zoom_in_);
 442
 443         action_view_zoom_out_->setText(tr("Zoom &Out"));
 444         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 445                 QIcon(":/icons/zoom-out.png")));
 446         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 447         action_view_zoom_out_->setObjectName(
 448                 QString::fromUtf8("actionViewZoomOut"));
 449         menu_view->addAction(action_view_zoom_out_);
 450
 451         action_view_zoom_fit_->setCheckable(true);
 452         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 453         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 454                 QIcon(":/icons/zoom-fit.png")));
 455         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 456         action_view_zoom_fit_->setObjectName(
 457                 QString::fromUtf8("actionViewZoomFit"));
 458         menu_view->addAction(action_view_zoom_fit_);
 459
 460         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 461         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 462                 QIcon(":/icons/zoom-original.png")));
 463         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 464         action_view_zoom_one_to_one_->setObjectName(
 465                 QString::fromUtf8("actionViewZoomOneToOne"));
 466         menu_view->addAction(action_view_zoom_one_to_one_);
 467
 468         menu_view->addSeparator();
 469
 470         action_view_sticky_scrolling_->setCheckable(true);
 471         action_view_sticky_scrolling_->setChecked(true);
 472         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 473         action_view_sticky_scrolling_->setObjectName(
 474                 QString::fromUtf8("actionViewStickyScrolling"));
 475         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 476         menu_view->addAction(action_view_sticky_scrolling_);
 477
 478         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 479
 480         menu_view->addSeparator();
 481
 482         action_view_coloured_bg_->setCheckable(true);
 483         action_view_coloured_bg_->setChecked(true);
 484         action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B));
 485         action_view_coloured_bg_->setObjectName(
 486                 QString::fromUtf8("actionViewColouredBg"));
 487         action_view_coloured_bg_->setText(tr("Use &coloured backgrounds"));
 488         menu_view->addAction(action_view_coloured_bg_);
 489
 490         view_->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 491
 492         menu_view->addSeparator();
 493
 494         action_view_show_cursors_->setCheckable(true);
 495         action_view_show_cursors_->setChecked(view_->cursors_shown());
 496         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 497                 QIcon(":/icons/show-cursors.svg")));
 498         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 499         action_view_show_cursors_->setObjectName(
 500                 QString::fromUtf8("actionViewShowCursors"));
 501         action_view_show_cursors_->setText(tr("Show &Cursors"));
 502         menu_view->addAction(action_view_show_cursors_);
 503
 504         // Decoders Menu
 505 #ifdef ENABLE_DECODE
 506         QMenu *const menu_decoders = new QMenu;
 507         menu_decoders->setTitle(tr("&Decoders"));
 508
 509         menu_decoders_add_->setTitle(tr("&Add"));
 510         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 511                 this, SLOT(add_decoder(srd_decoder*)));
 512
 513         menu_decoders->addMenu(menu_decoders_add_);
 514 #endif
 515
 516         // Help Menu
 517         QMenu *const menu_help = new QMenu;
 518         menu_help->setTitle(tr("&Help"));
 519
 520         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 521         action_about_->setText(tr("&About..."));
 522         menu_help->addAction(action_about_);
 523
 524         menu_bar->addAction(menu_file->menuAction());
 525         menu_bar->addAction(menu_view->menuAction());
 526 #ifdef ENABLE_DECODE
 527         menu_bar->addAction(menu_decoders->menuAction());
 528 #endif
 529         menu_bar->addAction(menu_help->menuAction());
 530
 531         setMenuBar(menu_bar);
 532         QMetaObject::connectSlotsByName(this);
 533
 534         // Also add all actions to the main window for always-enabled hotkeys
 535         for (QAction* action : menu_bar->actions())
 536                 this->addAction(action);
 537
 538         // Setup the toolbar
 539         main_bar_ = new toolbars::MainBar(session_, *this);
 540
 541         // Populate the device list and select the initially selected device
 542         update_device_list();
 543
 544         addToolBar(main_bar_);
 545
 546         // Set the title
 547         setWindowTitle(tr("PulseView"));
 548
 549         // Setup session_ events
 550         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 551                 SLOT(capture_state_changed(int)));
 552         connect(&session_, SIGNAL(device_selected()), this,
 553                 SLOT(device_selected()));
 554         connect(&session_, SIGNAL(trigger_event(util::Timestamp)), view_,
 555                 SLOT(trigger_event(util::Timestamp)));
 556
 557         // Setup view_ events
 558         connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
 559                 SLOT(sticky_scrolling_changed(bool)));
 560         connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
 561                 SLOT(always_zoom_to_fit_changed(bool)));
 562
 563 }
 564
 565 void MainWindow::select_init_device()
 566 {
 567         QSettings settings;
 568         map<string, string> dev_info;
 569         list<string> key_list;
 570
 571         // Re-select last used device if possible.
 572         settings.beginGroup("Device");
 573         key_list.push_back("vendor");
 574         key_list.push_back("model");
 575         key_list.push_back("version");
 576         key_list.push_back("serial_num");
 577         key_list.push_back("connection_id");
 578
 579         for (string key : key_list) {
 580                 const QString k = QString::fromStdString(key);
 581                 if (!settings.contains(k))
 582                         continue;
 583
 584                 const string value = settings.value(k).toString().toStdString();
 585                 if (!value.empty())
 586                         dev_info.insert(std::make_pair(key, value));
 587         }
 588
 589         const shared_ptr<devices::HardwareDevice> device =
 590                 device_manager_.find_device_from_info(dev_info);
 591         select_device(device);
 592         update_device_list();
 593
 594         settings.endGroup();
 595 }
 596
 597 void MainWindow::load_init_file(const std::string &file_name,
 598         const std::string &format)
 599 {
 600         shared_ptr<InputFormat> input_format;
 601
 602         if (!format.empty()) {
 603                 const map<string, shared_ptr<InputFormat> > formats =
 604                         device_manager_.context()->input_formats();
 605                 const auto iter = find_if(formats.begin(), formats.end(),
 606                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 607                                 return f.first == format; });
 608                 if (iter == formats.end()) {
 609                         cerr << "Unexpected input format: " << format << endl;
 610                         return;
 611                 }
 612
 613                 input_format = (*iter).second;
 614         }
 615
 616         load_file(QString::fromStdString(file_name), input_format);
 617 }
 618
 619
 620 void MainWindow::save_ui_settings()
 621 {
 622         QSettings settings;
 623
 624         map<string, string> dev_info;
 625         list<string> key_list;
 626
 627         settings.beginGroup("MainWindow");
 628         settings.setValue("state", saveState());
 629         settings.setValue("geometry", saveGeometry());
 630         settings.endGroup();
 631
 632         if (session_.device()) {
 633                 settings.beginGroup("Device");
 634                 key_list.push_back("vendor");
 635                 key_list.push_back("model");
 636                 key_list.push_back("version");
 637                 key_list.push_back("serial_num");
 638                 key_list.push_back("connection_id");
 639
 640                 dev_info = device_manager_.get_device_info(
 641                         session_.device());
 642
 643                 for (string key : key_list) {
 644                         if (dev_info.count(key))
 645                                 settings.setValue(QString::fromUtf8(key.c_str()),
 646                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 647                         else
 648                                 settings.remove(QString::fromUtf8(key.c_str()));
 649                 }
 650
 651                 settings.endGroup();
 652         }
 653 }
 654
 655 void MainWindow::restore_ui_settings()
 656 {
 657         QSettings settings;
 658
 659         settings.beginGroup("MainWindow");
 660
 661         if (settings.contains("geometry")) {
 662                 restoreGeometry(settings.value("geometry").toByteArray());
 663                 restoreState(settings.value("state").toByteArray());
 664         } else
 665                 resize(1000, 720);
 666
 667         settings.endGroup();
 668 }
 669
 670 void MainWindow::session_error(
 671         const QString text, const QString info_text)
 672 {
 673         QMetaObject::invokeMethod(this, "show_session_error",
 674                 Qt::QueuedConnection, Q_ARG(QString, text),
 675                 Q_ARG(QString, info_text));
 676 }
 677
 678 void MainWindow::update_device_list()
 679 {
 680         main_bar_->update_device_list();
 681 }
 682
 683 void MainWindow::load_file(QString file_name,
 684         std::shared_ptr<sigrok::InputFormat> format,
 685         const std::map<std::string, Glib::VariantBase> &options)
 686 {
 687         const QString errorMessage(
 688                 QString("Failed to load file %1").arg(file_name));
 689
 690         try {
 691                 if (format)
 692                         session_.set_device(shared_ptr<devices::Device>(
 693                                 new devices::InputFile(
 694                                         device_manager_.context(),
 695                                         file_name.toStdString(),
 696                                         format, options)));
 697                 else
 698                         session_.set_device(shared_ptr<devices::Device>(
 699                                 new devices::SessionFile(
 700                                         device_manager_.context(),
 701                                         file_name.toStdString())));
 702         } catch (Error e) {
 703                 show_session_error(tr("Failed to load ") + file_name, e.what());
 704                 session_.set_default_device();
 705                 update_device_list();
 706                 return;
 707         }
 708
 709         update_device_list();
 710
 711         session_.start_capture([&, errorMessage](QString infoMessage) {
 712                 session_error(errorMessage, infoMessage); });
 713 }
 714
 715 void MainWindow::closeEvent(QCloseEvent *event)
 716 {
 717         save_ui_settings();
 718         event->accept();
 719 }
 720
 721 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 722 {
 723         if (event->key() == Qt::Key_Alt) {
 724                 menuBar()->setHidden(!menuBar()->isHidden());
 725                 menuBar()->setFocus();
 726         }
 727         QMainWindow::keyReleaseEvent(event);
 728 }
 729
 730 void MainWindow::show_session_error(
 731         const QString text, const QString info_text)
 732 {
 733         QMessageBox msg(this);
 734         msg.setText(text);
 735         msg.setInformativeText(info_text);
 736         msg.setStandardButtons(QMessageBox::Ok);
 737         msg.setIcon(QMessageBox::Warning);
 738         msg.exec();
 739 }
 740
 741 void MainWindow::on_actionOpen_triggered()
 742 {
 743         QSettings settings;
 744         const QString dir = settings.value(SettingOpenDirectory).toString();
 745
 746         // Show the dialog
 747         const QString file_name = QFileDialog::getOpenFileName(
 748                 this, tr("Open File"), dir, tr(
 749                         "Sigrok Sessions (*.sr);;"
 750                         "All Files (*.*)"));
 751
 752         if (!file_name.isEmpty()) {
 753                 load_file(file_name);
 754
 755                 const QString abs_path = QFileInfo(file_name).absolutePath();
 756                 settings.setValue(SettingOpenDirectory, abs_path);
 757         }
 758 }
 759
 760 void MainWindow::on_actionSaveAs_triggered()
 761 {
 762         export_file(device_manager_.context()->output_formats()["srzip"]);
 763 }
 764
 765 void MainWindow::on_actionSaveSelectionAs_triggered()
 766 {
 767         export_file(device_manager_.context()->output_formats()["srzip"], true);
 768 }
 769
 770 void MainWindow::on_actionConnect_triggered()
 771 {
 772         // Stop any currently running capture session
 773         session_.stop_capture();
 774
 775         dialogs::Connect dlg(this, device_manager_);
 776
 777         // If the user selected a device, select it in the device list. Select the
 778         // current device otherwise.
 779         if (dlg.exec())
 780                 select_device(dlg.get_selected_device());
 781
 782         update_device_list();
 783 }
 784
 785 void MainWindow::on_actionQuit_triggered()
 786 {
 787         close();
 788 }
 789
 790 void MainWindow::on_actionViewZoomIn_triggered()
 791 {
 792         view_->zoom(1);
 793 }
 794
 795 void MainWindow::on_actionViewZoomOut_triggered()
 796 {
 797         view_->zoom(-1);
 798 }
 799
 800 void MainWindow::on_actionViewZoomFit_triggered()
 801 {
 802         view_->zoom_fit(action_view_zoom_fit_->isChecked());
 803 }
 804
 805 void MainWindow::on_actionViewZoomOneToOne_triggered()
 806 {
 807         view_->zoom_one_to_one();
 808 }
 809
 810 void MainWindow::on_actionViewStickyScrolling_triggered()
 811 {
 812         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 813 }
 814
 815 void MainWindow::on_actionViewColouredBg_triggered()
 816 {
 817         view_->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 818 }
 819
 820 void MainWindow::on_actionViewShowCursors_triggered()
 821 {
 822         assert(view_);
 823
 824         const bool show = !view_->cursors_shown();
 825         if (show)
 826                 view_->centre_cursors();
 827
 828         view_->show_cursors(show);
 829 }
 830
 831 void MainWindow::on_actionAbout_triggered()
 832 {
 833         dialogs::About dlg(device_manager_.context(), this);
 834         dlg.exec();
 835 }
 836
 837 void MainWindow::sticky_scrolling_changed(bool state)
 838 {
 839         action_view_sticky_scrolling_->setChecked(state);
 840 }
 841
 842 void MainWindow::always_zoom_to_fit_changed(bool state)
 843 {
 844         action_view_zoom_fit_->setChecked(state);
 845 }
 846
 847 void MainWindow::add_decoder(srd_decoder *decoder)
 848 {
 849 #ifdef ENABLE_DECODE
 850         assert(decoder);
 851         session_.add_decoder(decoder);
 852 #else
 853         (void)decoder;
 854 #endif
 855 }
 856
 857 void MainWindow::capture_state_changed(int state)
 858 {
 859         main_bar_->set_capture_state((pv::Session::capture_state)state);
 860 }
 861
 862 void MainWindow::device_selected()
 863 {
 864         // Set the title to include the device/file name
 865         const shared_ptr<devices::Device> device = session_.device();
 866         if (!device)
 867                 return;
 868
 869         const string display_name = device->display_name(device_manager_);
 870         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 871 }
 872
 873 } // namespace pv