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