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