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