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::max;
  78 using std::pair;
  79 using std::shared_ptr;
  80 using std::string;
  81 using std::vector;
  82
  83 using boost::algorithm::join;
  84
  85 using sigrok::Error;
  86 using sigrok::OutputFormat;
  87 using sigrok::InputFormat;
  88
  89 namespace pv {
  90
  91 namespace view {
  92 class ViewItem;
  93 }
  94
  95 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  96 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
  97
  98 MainWindow::MainWindow(DeviceManager &device_manager,
  99         string open_file_name, string open_file_format,
 100         QWidget *parent) :
 101         QMainWindow(parent),
 102         device_manager_(device_manager),
 103         session_(device_manager),
 104         action_open_(new QAction(this)),
 105         action_save_as_(new QAction(this)),
 106         action_save_selection_as_(new QAction(this)),
 107         action_connect_(new QAction(this)),
 108         action_quit_(new QAction(this)),
 109         action_view_zoom_in_(new QAction(this)),
 110         action_view_zoom_out_(new QAction(this)),
 111         action_view_zoom_fit_(new QAction(this)),
 112         action_view_zoom_one_to_one_(new QAction(this)),
 113         action_view_sticky_scrolling_(new QAction(this)),
 114         action_view_coloured_bg_(new QAction(this)),
 115         action_view_show_cursors_(new QAction(this)),
 116         action_about_(new QAction(this))
 117 #ifdef ENABLE_DECODE
 118         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 119 #endif
 120 {
 121         qRegisterMetaType<util::Timestamp>("util::Timestamp");
 122
 123         setup_ui();
 124         restore_ui_settings();
 125         if (open_file_name.empty())
 126                 select_init_device();
 127         else
 128                 load_init_file(open_file_name, open_file_format);
 129 }
 130
 131 QAction* MainWindow::action_open() const
 132 {
 133         return action_open_;
 134 }
 135
 136 QAction* MainWindow::action_save_as() const
 137 {
 138         return action_save_as_;
 139 }
 140
 141 QAction* MainWindow::action_save_selection_as() const
 142 {
 143         return action_save_selection_as_;
 144 }
 145
 146 QAction* MainWindow::action_connect() const
 147 {
 148         return action_connect_;
 149 }
 150
 151 QAction* MainWindow::action_quit() const
 152 {
 153         return action_quit_;
 154 }
 155
 156 QAction* MainWindow::action_view_zoom_in() const
 157 {
 158         return action_view_zoom_in_;
 159 }
 160
 161 QAction* MainWindow::action_view_zoom_out() const
 162 {
 163         return action_view_zoom_out_;
 164 }
 165
 166 QAction* MainWindow::action_view_zoom_fit() const
 167 {
 168         return action_view_zoom_fit_;
 169 }
 170
 171 QAction* MainWindow::action_view_zoom_one_to_one() const
 172 {
 173         return action_view_zoom_one_to_one_;
 174 }
 175
 176 QAction* MainWindow::action_view_sticky_scrolling() const
 177 {
 178         return action_view_sticky_scrolling_;
 179 }
 180
 181 QAction* MainWindow::action_view_coloured_bg() const
 182 {
 183         return action_view_coloured_bg_;
 184 }
 185
 186 QAction* MainWindow::action_view_show_cursors() const
 187 {
 188         return action_view_show_cursors_;
 189 }
 190
 191 QAction* MainWindow::action_about() const
 192 {
 193         return action_about_;
 194 }
 195
 196 #ifdef ENABLE_DECODE
 197 QMenu* MainWindow::menu_decoder_add() const
 198 {
 199         return menu_decoders_add_;
 200 }
 201 #endif
 202
 203 void MainWindow::run_stop()
 204 {
 205         switch (session_.get_capture_state()) {
 206         case Session::Stopped:
 207                 session_.start_capture([&](QString message) {
 208                         session_error("Capture failed", message); });
 209                 break;
 210         case Session::AwaitingTrigger:
 211         case Session::Running:
 212                 session_.stop_capture();
 213                 break;
 214         }
 215 }
 216
 217 void MainWindow::select_device(shared_ptr<devices::Device> device)
 218 {
 219         try {
 220                 if (device)
 221                         session_.set_device(device);
 222                 else
 223                         session_.set_default_device();
 224         } catch (const QString &e) {
 225                 QMessageBox msg(this);
 226                 msg.setText(e);
 227                 msg.setInformativeText(tr("Failed to Select Device"));
 228                 msg.setStandardButtons(QMessageBox::Ok);
 229                 msg.setIcon(QMessageBox::Warning);
 230                 msg.exec();
 231         }
 232 }
 233
 234 void MainWindow::export_file(shared_ptr<OutputFormat> format,
 235         bool selection_only)
 236 {
 237         using pv::dialogs::StoreProgress;
 238
 239         // Stop any currently running capture session
 240         session_.stop_capture();
 241
 242         QSettings settings;
 243         const QString dir = settings.value(SettingSaveDirectory).toString();
 244
 245         std::pair<uint64_t, uint64_t> sample_range;
 246
 247         // Selection only? Verify that the cursors are active and fetch their values
 248         if (selection_only) {
 249                 if (!view_->cursors()->enabled()) {
 250                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 251                                         "cursors before you can save the data enclosed by them " \
 252                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 253                         return;
 254                 }
 255
 256                 const double samplerate = session_.get_samplerate();
 257
 258                 const pv::util::Timestamp& start_time = view_->cursors()->first()->time();
 259                 const pv::util::Timestamp& end_time = view_->cursors()->second()->time();
 260
 261                 const uint64_t start_sample =
 262                         std::max((double)0, start_time.convert_to<double>() * samplerate);
 263                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 264
 265                 sample_range = std::make_pair(start_sample, end_sample);
 266         } else {
 267                 sample_range = std::make_pair(0, 0);
 268         }
 269
 270         // Construct the filter
 271         const vector<string> exts = format->extensions();
 272         QString filter = tr("%1 files ").arg(
 273                 QString::fromStdString(format->description()));
 274
 275         if (exts.empty())
 276                 filter += "(*.*)";
 277         else
 278                 filter += QString("(*.%1);;%2 (*.*)").arg(
 279                         QString::fromStdString(join(exts, ", *.")),
 280                         tr("All Files"));
 281
 282         // Show the file dialog
 283         const QString file_name = QFileDialog::getSaveFileName(
 284                 this, tr("Save File"), dir, filter);
 285
 286         if (file_name.isEmpty())
 287                 return;
 288
 289         const QString abs_path = QFileInfo(file_name).absolutePath();
 290         settings.setValue(SettingSaveDirectory, abs_path);
 291
 292         // Show the options dialog
 293         map<string, Glib::VariantBase> options;
 294         if (!format->options().empty()) {
 295                 dialogs::InputOutputOptions dlg(
 296                         tr("Export %1").arg(QString::fromStdString(
 297                                 format->description())),
 298                         format->options(), this);
 299                 if (!dlg.exec())
 300                         return;
 301                 options = dlg.options();
 302         }
 303
 304         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 305                 sample_range, session_, this);
 306         dlg->run();
 307 }
 308
 309 void MainWindow::import_file(shared_ptr<InputFormat> format)
 310 {
 311         assert(format);
 312
 313         QSettings settings;
 314         const QString dir = settings.value(SettingOpenDirectory).toString();
 315
 316         // Construct the filter
 317         const vector<string> exts = format->extensions();
 318         const QString filter = exts.empty() ? "" :
 319                 tr("%1 files (*.%2)").arg(
 320                         QString::fromStdString(format->description()),
 321                         QString::fromStdString(join(exts, ", *.")));
 322
 323         // Show the file dialog
 324         const QString file_name = QFileDialog::getOpenFileName(
 325                 this, tr("Import File"), dir, tr(
 326                         "%1 files (*.*);;All Files (*.*)").arg(
 327                         QString::fromStdString(format->description())));
 328
 329         if (file_name.isEmpty())
 330                 return;
 331
 332         // Show the options dialog
 333         map<string, Glib::VariantBase> options;
 334         if (!format->options().empty()) {
 335                 dialogs::InputOutputOptions dlg(
 336                         tr("Import %1").arg(QString::fromStdString(
 337                                 format->description())),
 338                         format->options(), this);
 339                 if (!dlg.exec())
 340                         return;
 341                 options = dlg.options();
 342         }
 343
 344         load_file(file_name, format, options);
 345
 346         const QString abs_path = QFileInfo(file_name).absolutePath();
 347         settings.setValue(SettingOpenDirectory, abs_path);
 348 }
 349
 350 void MainWindow::setup_ui()
 351 {
 352         setObjectName(QString::fromUtf8("MainWindow"));
 353
 354         // Set the window icon
 355         QIcon icon;
 356         icon.addFile(QString(":/icons/sigrok-logo-notext.svg"));
 357         setWindowIcon(icon);
 358
 359         // Setup the central widget
 360         central_widget_ = new QWidget(this);
 361         vertical_layout_ = new QVBoxLayout(central_widget_);
 362         vertical_layout_->setSpacing(6);
 363         vertical_layout_->setContentsMargins(0, 0, 0, 0);
 364         setCentralWidget(central_widget_);
 365
 366         view_ = new pv::view::View(session_, this);
 367
 368         vertical_layout_->addWidget(view_);
 369
 370         // Setup the menu bar
 371         pv::widgets::HidingMenuBar *const menu_bar =
 372                 new pv::widgets::HidingMenuBar(this);
 373
 374         // File Menu
 375         QMenu *const menu_file = new QMenu;
 376         menu_file->setTitle(tr("&File"));
 377
 378         action_open_->setText(tr("&Open..."));
 379         action_open_->setIcon(QIcon::fromTheme("document-open",
 380                 QIcon(":/icons/document-open.png")));
 381         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 382         action_open_->setObjectName(QString::fromUtf8("actionOpen"));
 383         menu_file->addAction(action_open_);
 384
 385         action_save_as_->setText(tr("&Save As..."));
 386         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 387                 QIcon(":/icons/document-save-as.png")));
 388         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 389         action_save_as_->setObjectName(QString::fromUtf8("actionSaveAs"));
 390         menu_file->addAction(action_save_as_);
 391
 392         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 393         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 394                 QIcon(":/icons/document-save-as.png")));
 395         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 396         action_save_selection_as_->setObjectName(QString::fromUtf8("actionSaveSelectionAs"));
 397         menu_file->addAction(action_save_selection_as_);
 398
 399         menu_file->addSeparator();
 400
 401         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 402                 device_manager_.context());
 403         menu_file_export->setTitle(tr("&Export"));
 404         connect(menu_file_export,
 405                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 406                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 407         menu_file->addAction(menu_file_export->menuAction());
 408
 409         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 410                 device_manager_.context());
 411         menu_file_import->setTitle(tr("&Import"));
 412         connect(menu_file_import,
 413                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 414                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 415         menu_file->addAction(menu_file_import->menuAction());
 416
 417         menu_file->addSeparator();
 418
 419         action_connect_->setText(tr("&Connect to Device..."));
 420         action_connect_->setObjectName(QString::fromUtf8("actionConnect"));
 421         menu_file->addAction(action_connect_);
 422
 423         menu_file->addSeparator();
 424
 425         action_quit_->setText(tr("&Quit"));
 426         action_quit_->setIcon(QIcon::fromTheme("application-exit",
 427                 QIcon(":/icons/application-exit.png")));
 428         action_quit_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 429         action_quit_->setObjectName(QString::fromUtf8("actionQuit"));
 430         menu_file->addAction(action_quit_);
 431
 432         // View Menu
 433         QMenu *menu_view = new QMenu;
 434         menu_view->setTitle(tr("&View"));
 435
 436         action_view_zoom_in_->setText(tr("Zoom &In"));
 437         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 438                 QIcon(":/icons/zoom-in.png")));
 439         // simply using Qt::Key_Plus shows no + in the menu
 440         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 441         action_view_zoom_in_->setObjectName(
 442                 QString::fromUtf8("actionViewZoomIn"));
 443         menu_view->addAction(action_view_zoom_in_);
 444
 445         action_view_zoom_out_->setText(tr("Zoom &Out"));
 446         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 447                 QIcon(":/icons/zoom-out.png")));
 448         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 449         action_view_zoom_out_->setObjectName(
 450                 QString::fromUtf8("actionViewZoomOut"));
 451         menu_view->addAction(action_view_zoom_out_);
 452
 453         action_view_zoom_fit_->setCheckable(true);
 454         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 455         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 456                 QIcon(":/icons/zoom-fit.png")));
 457         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 458         action_view_zoom_fit_->setObjectName(
 459                 QString::fromUtf8("actionViewZoomFit"));
 460         menu_view->addAction(action_view_zoom_fit_);
 461
 462         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 463         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 464                 QIcon(":/icons/zoom-original.png")));
 465         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 466         action_view_zoom_one_to_one_->setObjectName(
 467                 QString::fromUtf8("actionViewZoomOneToOne"));
 468         menu_view->addAction(action_view_zoom_one_to_one_);
 469
 470         menu_view->addSeparator();
 471
 472         action_view_sticky_scrolling_->setCheckable(true);
 473         action_view_sticky_scrolling_->setChecked(true);
 474         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 475         action_view_sticky_scrolling_->setObjectName(
 476                 QString::fromUtf8("actionViewStickyScrolling"));
 477         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 478         menu_view->addAction(action_view_sticky_scrolling_);
 479
 480         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 481
 482         menu_view->addSeparator();
 483
 484         action_view_coloured_bg_->setCheckable(true);
 485         action_view_coloured_bg_->setChecked(true);
 486         action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B));
 487         action_view_coloured_bg_->setObjectName(
 488                 QString::fromUtf8("actionViewColouredBg"));
 489         action_view_coloured_bg_->setText(tr("Use &coloured backgrounds"));
 490         menu_view->addAction(action_view_coloured_bg_);
 491
 492         view_->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 493
 494         menu_view->addSeparator();
 495
 496         action_view_show_cursors_->setCheckable(true);
 497         action_view_show_cursors_->setChecked(view_->cursors_shown());
 498         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 499                 QIcon(":/icons/show-cursors.svg")));
 500         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 501         action_view_show_cursors_->setObjectName(
 502                 QString::fromUtf8("actionViewShowCursors"));
 503         action_view_show_cursors_->setText(tr("Show &Cursors"));
 504         menu_view->addAction(action_view_show_cursors_);
 505
 506         // Decoders Menu
 507 #ifdef ENABLE_DECODE
 508         QMenu *const menu_decoders = new QMenu;
 509         menu_decoders->setTitle(tr("&Decoders"));
 510
 511         menu_decoders_add_->setTitle(tr("&Add"));
 512         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 513                 this, SLOT(add_decoder(srd_decoder*)));
 514
 515         menu_decoders->addMenu(menu_decoders_add_);
 516 #endif
 517
 518         // Help Menu
 519         QMenu *const menu_help = new QMenu;
 520         menu_help->setTitle(tr("&Help"));
 521
 522         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 523         action_about_->setText(tr("&About..."));
 524         menu_help->addAction(action_about_);
 525
 526         menu_bar->addAction(menu_file->menuAction());
 527         menu_bar->addAction(menu_view->menuAction());
 528 #ifdef ENABLE_DECODE
 529         menu_bar->addAction(menu_decoders->menuAction());
 530 #endif
 531         menu_bar->addAction(menu_help->menuAction());
 532
 533         setMenuBar(menu_bar);
 534         QMetaObject::connectSlotsByName(this);
 535
 536         // Also add all actions to the main window for always-enabled hotkeys
 537         for (QAction* action : menu_bar->actions())
 538                 this->addAction(action);
 539
 540         // Setup the toolbar
 541         main_bar_ = new toolbars::MainBar(session_, *this);
 542
 543         // Populate the device list and select the initially selected device
 544         update_device_list();
 545
 546         addToolBar(main_bar_);
 547
 548         // Set the title
 549         setWindowTitle(tr("PulseView"));
 550
 551         // Setup session_ events
 552         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 553                 SLOT(capture_state_changed(int)));
 554         connect(&session_, SIGNAL(device_selected()), this,
 555                 SLOT(device_selected()));
 556         connect(&session_, SIGNAL(trigger_event(util::Timestamp)), view_,
 557                 SLOT(trigger_event(util::Timestamp)));
 558
 559         // Setup view_ events
 560         connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
 561                 SLOT(sticky_scrolling_changed(bool)));
 562         connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
 563                 SLOT(always_zoom_to_fit_changed(bool)));
 564
 565 }
 566
 567 void MainWindow::select_init_device()
 568 {
 569         QSettings settings;
 570         map<string, string> dev_info;
 571         list<string> key_list;
 572         shared_ptr<devices::HardwareDevice> device;
 573
 574         // Re-select last used device if possible but only if it's not demo
 575         settings.beginGroup("Device");
 576         key_list.push_back("vendor");
 577         key_list.push_back("model");
 578         key_list.push_back("version");
 579         key_list.push_back("serial_num");
 580         key_list.push_back("connection_id");
 581
 582         for (string key : key_list) {
 583                 const QString k = QString::fromStdString(key);
 584                 if (!settings.contains(k))
 585                         continue;
 586
 587                 const string value = settings.value(k).toString().toStdString();
 588                 if (!value.empty())
 589                         dev_info.insert(std::make_pair(key, value));
 590         }
 591
 592         if (dev_info.count("model") > 0)
 593                 if (dev_info.at("model").find("Demo device") == std::string::npos)
 594                         device = device_manager_.find_device_from_info(dev_info);
 595
 596         // When we can't find a device similar to the one we used last
 597         // time and there is at least one device aside from demo, use it
 598         if (!device) {
 599                 for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) {
 600                         dev_info = device_manager_.get_device_info(dev);
 601
 602                         if (dev_info.count("model") > 0)
 603                                 if (dev_info.at("model").find("Demo device") == std::string::npos) {
 604                                         device = dev;
 605                                         break;
 606                                 }
 607                 }
 608         }
 609
 610         select_device(device);
 611         update_device_list();
 612
 613         settings.endGroup();
 614 }
 615
 616 void MainWindow::load_init_file(const std::string &file_name,
 617         const std::string &format)
 618 {
 619         shared_ptr<InputFormat> input_format;
 620
 621         if (!format.empty()) {
 622                 const map<string, shared_ptr<InputFormat> > formats =
 623                         device_manager_.context()->input_formats();
 624                 const auto iter = find_if(formats.begin(), formats.end(),
 625                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 626                                 return f.first == format; });
 627                 if (iter == formats.end()) {
 628                         cerr << "Unexpected input format: " << format << endl;
 629                         return;
 630                 }
 631
 632                 input_format = (*iter).second;
 633         }
 634
 635         load_file(QString::fromStdString(file_name), input_format);
 636 }
 637
 638
 639 void MainWindow::save_ui_settings()
 640 {
 641         QSettings settings;
 642
 643         map<string, string> dev_info;
 644         list<string> key_list;
 645
 646         settings.beginGroup("MainWindow");
 647         settings.setValue("state", saveState());
 648         settings.setValue("geometry", saveGeometry());
 649         settings.endGroup();
 650
 651         if (session_.device()) {
 652                 settings.beginGroup("Device");
 653                 key_list.push_back("vendor");
 654                 key_list.push_back("model");
 655                 key_list.push_back("version");
 656                 key_list.push_back("serial_num");
 657                 key_list.push_back("connection_id");
 658
 659                 dev_info = device_manager_.get_device_info(
 660                         session_.device());
 661
 662                 for (string key : key_list) {
 663                         if (dev_info.count(key))
 664                                 settings.setValue(QString::fromUtf8(key.c_str()),
 665                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 666                         else
 667                                 settings.remove(QString::fromUtf8(key.c_str()));
 668                 }
 669
 670                 settings.endGroup();
 671         }
 672 }
 673
 674 void MainWindow::restore_ui_settings()
 675 {
 676         QSettings settings;
 677
 678         settings.beginGroup("MainWindow");
 679
 680         if (settings.contains("geometry")) {
 681                 restoreGeometry(settings.value("geometry").toByteArray());
 682                 restoreState(settings.value("state").toByteArray());
 683         } else
 684                 resize(1000, 720);
 685
 686         settings.endGroup();
 687 }
 688
 689 void MainWindow::session_error(
 690         const QString text, const QString info_text)
 691 {
 692         QMetaObject::invokeMethod(this, "show_session_error",
 693                 Qt::QueuedConnection, Q_ARG(QString, text),
 694                 Q_ARG(QString, info_text));
 695 }
 696
 697 void MainWindow::update_device_list()
 698 {
 699         main_bar_->update_device_list();
 700 }
 701
 702 void MainWindow::load_file(QString file_name,
 703         std::shared_ptr<sigrok::InputFormat> format,
 704         const std::map<std::string, Glib::VariantBase> &options)
 705 {
 706         const QString errorMessage(
 707                 QString("Failed to load file %1").arg(file_name));
 708
 709         try {
 710                 if (format)
 711                         session_.set_device(shared_ptr<devices::Device>(
 712                                 new devices::InputFile(
 713                                         device_manager_.context(),
 714                                         file_name.toStdString(),
 715                                         format, options)));
 716                 else
 717                         session_.set_device(shared_ptr<devices::Device>(
 718                                 new devices::SessionFile(
 719                                         device_manager_.context(),
 720                                         file_name.toStdString())));
 721         } catch (Error e) {
 722                 show_session_error(tr("Failed to load ") + file_name, e.what());
 723                 session_.set_default_device();
 724                 update_device_list();
 725                 return;
 726         }
 727
 728         update_device_list();
 729
 730         session_.start_capture([&, errorMessage](QString infoMessage) {
 731                 session_error(errorMessage, infoMessage); });
 732 }
 733
 734 void MainWindow::closeEvent(QCloseEvent *event)
 735 {
 736         save_ui_settings();
 737         event->accept();
 738 }
 739
 740 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 741 {
 742         if (event->key() == Qt::Key_Alt) {
 743                 menuBar()->setHidden(!menuBar()->isHidden());
 744                 menuBar()->setFocus();
 745         }
 746         QMainWindow::keyReleaseEvent(event);
 747 }
 748
 749 void MainWindow::show_session_error(
 750         const QString text, const QString info_text)
 751 {
 752         QMessageBox msg(this);
 753         msg.setText(text);
 754         msg.setInformativeText(info_text);
 755         msg.setStandardButtons(QMessageBox::Ok);
 756         msg.setIcon(QMessageBox::Warning);
 757         msg.exec();
 758 }
 759
 760 void MainWindow::on_actionOpen_triggered()
 761 {
 762         QSettings settings;
 763         const QString dir = settings.value(SettingOpenDirectory).toString();
 764
 765         // Show the dialog
 766         const QString file_name = QFileDialog::getOpenFileName(
 767                 this, tr("Open File"), dir, tr(
 768                         "Sigrok Sessions (*.sr);;"
 769                         "All Files (*.*)"));
 770
 771         if (!file_name.isEmpty()) {
 772                 load_file(file_name);
 773
 774                 const QString abs_path = QFileInfo(file_name).absolutePath();
 775                 settings.setValue(SettingOpenDirectory, abs_path);
 776         }
 777 }
 778
 779 void MainWindow::on_actionSaveAs_triggered()
 780 {
 781         export_file(device_manager_.context()->output_formats()["srzip"]);
 782 }
 783
 784 void MainWindow::on_actionSaveSelectionAs_triggered()
 785 {
 786         export_file(device_manager_.context()->output_formats()["srzip"], true);
 787 }
 788
 789 void MainWindow::on_actionConnect_triggered()
 790 {
 791         // Stop any currently running capture session
 792         session_.stop_capture();
 793
 794         dialogs::Connect dlg(this, device_manager_);
 795
 796         // If the user selected a device, select it in the device list. Select the
 797         // current device otherwise.
 798         if (dlg.exec())
 799                 select_device(dlg.get_selected_device());
 800
 801         update_device_list();
 802 }
 803
 804 void MainWindow::on_actionQuit_triggered()
 805 {
 806         close();
 807 }
 808
 809 void MainWindow::on_actionViewZoomIn_triggered()
 810 {
 811         view_->zoom(1);
 812 }
 813
 814 void MainWindow::on_actionViewZoomOut_triggered()
 815 {
 816         view_->zoom(-1);
 817 }
 818
 819 void MainWindow::on_actionViewZoomFit_triggered()
 820 {
 821         view_->zoom_fit(action_view_zoom_fit_->isChecked());
 822 }
 823
 824 void MainWindow::on_actionViewZoomOneToOne_triggered()
 825 {
 826         view_->zoom_one_to_one();
 827 }
 828
 829 void MainWindow::on_actionViewStickyScrolling_triggered()
 830 {
 831         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 832 }
 833
 834 void MainWindow::on_actionViewColouredBg_triggered()
 835 {
 836         view_->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 837 }
 838
 839 void MainWindow::on_actionViewShowCursors_triggered()
 840 {
 841         assert(view_);
 842
 843         const bool show = !view_->cursors_shown();
 844         if (show)
 845                 view_->centre_cursors();
 846
 847         view_->show_cursors(show);
 848 }
 849
 850 void MainWindow::on_actionAbout_triggered()
 851 {
 852         dialogs::About dlg(device_manager_.context(), this);
 853         dlg.exec();
 854 }
 855
 856 void MainWindow::sticky_scrolling_changed(bool state)
 857 {
 858         action_view_sticky_scrolling_->setChecked(state);
 859 }
 860
 861 void MainWindow::always_zoom_to_fit_changed(bool state)
 862 {
 863         action_view_zoom_fit_->setChecked(state);
 864 }
 865
 866 void MainWindow::add_decoder(srd_decoder *decoder)
 867 {
 868 #ifdef ENABLE_DECODE
 869         assert(decoder);
 870         session_.add_decoder(decoder);
 871 #else
 872         (void)decoder;
 873 #endif
 874 }
 875
 876 void MainWindow::capture_state_changed(int state)
 877 {
 878         main_bar_->set_capture_state((pv::Session::capture_state)state);
 879 }
 880
 881 void MainWindow::device_selected()
 882 {
 883         // Set the title to include the device/file name
 884         const shared_ptr<devices::Device> device = session_.device();
 885
 886         if (!device) {
 887                 main_bar_->reset_device_selector();
 888                 return;
 889         }
 890
 891         const string display_name = device->display_name(device_manager_);
 892         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 893 }
 894
 895 } // namespace pv