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_->setCheckable(true);
 405         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 406         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 407                 QIcon(":/icons/zoom-fit.png")));
 408         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 409         action_view_zoom_fit_->setObjectName(
 410                 QString::fromUtf8("actionViewZoomFit"));
 411         menu_view->addAction(action_view_zoom_fit_);
 412
 413         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 414         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 415                 QIcon(":/icons/zoom-original.png")));
 416         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 417         action_view_zoom_one_to_one_->setObjectName(
 418                 QString::fromUtf8("actionViewZoomOneToOne"));
 419         menu_view->addAction(action_view_zoom_one_to_one_);
 420
 421         menu_file->addSeparator();
 422
 423         action_view_sticky_scrolling_->setCheckable(true);
 424         action_view_sticky_scrolling_->setChecked(true);
 425         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_R));
 426         action_view_sticky_scrolling_->setObjectName(
 427                 QString::fromUtf8("actionViewStickyScrolling"));
 428         action_view_sticky_scrolling_->setText(tr("Sticky Sc&rolling"));
 429         menu_view->addAction(action_view_sticky_scrolling_);
 430
 431         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 432
 433         menu_view->addSeparator();
 434
 435         action_view_show_cursors_->setCheckable(true);
 436         action_view_show_cursors_->setChecked(view_->cursors_shown());
 437         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 438                 QIcon(":/icons/show-cursors.svg")));
 439         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 440         action_view_show_cursors_->setObjectName(
 441                 QString::fromUtf8("actionViewShowCursors"));
 442         action_view_show_cursors_->setText(tr("Show &Cursors"));
 443         menu_view->addAction(action_view_show_cursors_);
 444
 445         // Decoders Menu
 446 #ifdef ENABLE_DECODE
 447         QMenu *const menu_decoders = new QMenu;
 448         menu_decoders->setTitle(tr("&Decoders"));
 449
 450         menu_decoders_add_->setTitle(tr("&Add"));
 451         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 452                 this, SLOT(add_decoder(srd_decoder*)));
 453
 454         menu_decoders->addMenu(menu_decoders_add_);
 455 #endif
 456
 457         // Help Menu
 458         QMenu *const menu_help = new QMenu;
 459         menu_help->setTitle(tr("&Help"));
 460
 461         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 462         action_about_->setText(tr("&About..."));
 463         menu_help->addAction(action_about_);
 464
 465         menu_bar->addAction(menu_file->menuAction());
 466         menu_bar->addAction(menu_view->menuAction());
 467 #ifdef ENABLE_DECODE
 468         menu_bar->addAction(menu_decoders->menuAction());
 469 #endif
 470         menu_bar->addAction(menu_help->menuAction());
 471
 472         setMenuBar(menu_bar);
 473         QMetaObject::connectSlotsByName(this);
 474
 475         // Also add all actions to the main window for always-enabled hotkeys
 476         for (QAction* action : menu_bar->actions())
 477                 this->addAction(action);
 478
 479         // Setup the toolbar
 480         main_bar_ = new toolbars::MainBar(session_, *this);
 481
 482         // Populate the device list and select the initially selected device
 483         update_device_list();
 484
 485         addToolBar(main_bar_);
 486
 487         // Set the title
 488         setWindowTitle(tr("PulseView"));
 489
 490         // Setup session_ events
 491         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 492                 SLOT(capture_state_changed(int)));
 493         connect(&session_, SIGNAL(device_selected()), this,
 494                 SLOT(device_selected()));
 495
 496         // Setup view_ events
 497         connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
 498                 SLOT(sticky_scrolling_changed(bool)));
 499         connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
 500                 SLOT(always_zoom_to_fit_changed(bool)));
 501 }
 502
 503 void MainWindow::select_init_device() {
 504         QSettings settings;
 505         map<string, string> dev_info;
 506         list<string> key_list;
 507
 508         // Re-select last used device if possible.
 509         settings.beginGroup("Device");
 510         key_list.push_back("vendor");
 511         key_list.push_back("model");
 512         key_list.push_back("version");
 513         key_list.push_back("serial_num");
 514         key_list.push_back("connection_id");
 515
 516         for (string key : key_list) {
 517                 const QString k = QString::fromStdString(key);
 518                 if (!settings.contains(k))
 519                         continue;
 520
 521                 const string value = settings.value(k).toString().toStdString();
 522                 if (!value.empty())
 523                         dev_info.insert(std::make_pair(key, value));
 524         }
 525
 526         const shared_ptr<devices::HardwareDevice> device =
 527                 device_manager_.find_device_from_info(dev_info);
 528         select_device(device);
 529         update_device_list();
 530
 531         settings.endGroup();
 532 }
 533
 534 void MainWindow::load_init_file(const std::string &file_name,
 535         const std::string &format) {
 536         shared_ptr<InputFormat> input_format;
 537
 538         if (!format.empty()) {
 539                 const map<string, shared_ptr<InputFormat> > formats =
 540                         device_manager_.context()->input_formats();
 541                 const auto iter = find_if(formats.begin(), formats.end(),
 542                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 543                                 return f.first == format; });
 544                 if (iter == formats.end()) {
 545                         cerr << "Unexpected input format: " << format << endl;
 546                         return;
 547                 }
 548
 549                 input_format = (*iter).second;
 550         }
 551
 552         load_file(QString::fromStdString(file_name), input_format);
 553 }
 554
 555
 556 void MainWindow::save_ui_settings()
 557 {
 558         QSettings settings;
 559
 560         map<string, string> dev_info;
 561         list<string> key_list;
 562
 563         settings.beginGroup("MainWindow");
 564         settings.setValue("state", saveState());
 565         settings.setValue("geometry", saveGeometry());
 566         settings.endGroup();
 567
 568         if (session_.device()) {
 569                 settings.beginGroup("Device");
 570                 key_list.push_back("vendor");
 571                 key_list.push_back("model");
 572                 key_list.push_back("version");
 573                 key_list.push_back("serial_num");
 574                 key_list.push_back("connection_id");
 575
 576                 dev_info = device_manager_.get_device_info(
 577                         session_.device());
 578
 579                 for (string key : key_list) {
 580
 581                         if (dev_info.count(key))
 582                                 settings.setValue(QString::fromUtf8(key.c_str()),
 583                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 584                         else
 585                                 settings.remove(QString::fromUtf8(key.c_str()));
 586                 }
 587
 588                 settings.endGroup();
 589         }
 590 }
 591
 592 void MainWindow::restore_ui_settings()
 593 {
 594         QSettings settings;
 595
 596         settings.beginGroup("MainWindow");
 597
 598         if (settings.contains("geometry")) {
 599                 restoreGeometry(settings.value("geometry").toByteArray());
 600                 restoreState(settings.value("state").toByteArray());
 601         } else
 602                 resize(1000, 720);
 603
 604         settings.endGroup();
 605 }
 606
 607 void MainWindow::session_error(
 608         const QString text, const QString info_text)
 609 {
 610         QMetaObject::invokeMethod(this, "show_session_error",
 611                 Qt::QueuedConnection, Q_ARG(QString, text),
 612                 Q_ARG(QString, info_text));
 613 }
 614
 615 void MainWindow::update_device_list()
 616 {
 617         main_bar_->update_device_list();
 618 }
 619
 620 void MainWindow::load_file(QString file_name,
 621         std::shared_ptr<sigrok::InputFormat> format,
 622         const std::map<std::string, Glib::VariantBase> &options)
 623 {
 624         const QString errorMessage(
 625                 QString("Failed to load file %1").arg(file_name));
 626         const QString infoMessage;
 627
 628         try {
 629                 if (format)
 630                         session_.set_device(shared_ptr<devices::Device>(
 631                                 new devices::InputFile(
 632                                         device_manager_.context(),
 633                                         file_name.toStdString(),
 634                                         format, options)));
 635                 else
 636                         session_.set_device(shared_ptr<devices::Device>(
 637                                 new devices::SessionFile(
 638                                         device_manager_.context(),
 639                                         file_name.toStdString())));
 640         } catch(Error e) {
 641                 show_session_error(tr("Failed to load ") + file_name, e.what());
 642                 session_.set_default_device();
 643                 update_device_list();
 644                 return;
 645         }
 646
 647         update_device_list();
 648
 649         session_.start_capture([&, errorMessage, infoMessage](QString) {
 650                 session_error(errorMessage, infoMessage); });
 651 }
 652
 653 void MainWindow::closeEvent(QCloseEvent *event)
 654 {
 655         save_ui_settings();
 656         event->accept();
 657 }
 658
 659 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 660 {
 661         if (event->key() == Qt::Key_Alt) {
 662                 menuBar()->setHidden(!menuBar()->isHidden());
 663                 menuBar()->setFocus();
 664         }
 665         QMainWindow::keyReleaseEvent(event);
 666 }
 667
 668 void MainWindow::show_session_error(
 669         const QString text, const QString info_text)
 670 {
 671         QMessageBox msg(this);
 672         msg.setText(text);
 673         msg.setInformativeText(info_text);
 674         msg.setStandardButtons(QMessageBox::Ok);
 675         msg.setIcon(QMessageBox::Warning);
 676         msg.exec();
 677 }
 678
 679 void MainWindow::on_actionOpen_triggered()
 680 {
 681         QSettings settings;
 682         const QString dir = settings.value(SettingOpenDirectory).toString();
 683
 684         // Show the dialog
 685         const QString file_name = QFileDialog::getOpenFileName(
 686                 this, tr("Open File"), dir, tr(
 687                         "Sigrok Sessions (*.sr);;"
 688                         "All Files (*.*)"));
 689
 690         if (!file_name.isEmpty()) {
 691                 load_file(file_name);
 692
 693                 const QString abs_path = QFileInfo(file_name).absolutePath();
 694                 settings.setValue(SettingOpenDirectory, abs_path);
 695         }
 696 }
 697
 698 void MainWindow::on_actionSaveAs_triggered()
 699 {
 700         export_file(device_manager_.context()->output_formats()["srzip"]);
 701 }
 702
 703 void MainWindow::on_actionConnect_triggered()
 704 {
 705         // Stop any currently running capture session
 706         session_.stop_capture();
 707
 708         dialogs::Connect dlg(this, device_manager_);
 709
 710         // If the user selected a device, select it in the device list. Select the
 711         // current device otherwise.
 712         if (dlg.exec())
 713                 select_device(dlg.get_selected_device());
 714
 715         update_device_list();
 716 }
 717
 718 void MainWindow::on_actionQuit_triggered()
 719 {
 720         close();
 721 }
 722
 723 void MainWindow::on_actionViewZoomIn_triggered()
 724 {
 725         view_->zoom(1);
 726 }
 727
 728 void MainWindow::on_actionViewZoomOut_triggered()
 729 {
 730         view_->zoom(-1);
 731 }
 732
 733 void MainWindow::on_actionViewZoomFit_triggered()
 734 {
 735         view_->zoom_fit(action_view_zoom_fit_->isChecked());
 736 }
 737
 738 void MainWindow::on_actionViewZoomOneToOne_triggered()
 739 {
 740         view_->zoom_one_to_one();
 741 }
 742
 743 void MainWindow::on_actionViewStickyScrolling_triggered()
 744 {
 745         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 746 }
 747
 748 void MainWindow::on_actionViewShowCursors_triggered()
 749 {
 750         assert(view_);
 751
 752         const bool show = !view_->cursors_shown();
 753         if (show)
 754                 view_->centre_cursors();
 755
 756         view_->show_cursors(show);
 757 }
 758
 759 void MainWindow::on_actionAbout_triggered()
 760 {
 761         dialogs::About dlg(device_manager_.context(), this);
 762         dlg.exec();
 763 }
 764
 765 void MainWindow::sticky_scrolling_changed(bool state)
 766 {
 767         action_view_sticky_scrolling_->setChecked(state);
 768 }
 769
 770 void MainWindow::always_zoom_to_fit_changed(bool state)
 771 {
 772         action_view_zoom_fit_->setChecked(state);
 773 }
 774
 775 void MainWindow::add_decoder(srd_decoder *decoder)
 776 {
 777 #ifdef ENABLE_DECODE
 778         assert(decoder);
 779         session_.add_decoder(decoder);
 780 #else
 781         (void)decoder;
 782 #endif
 783 }
 784
 785 void MainWindow::capture_state_changed(int state)
 786 {
 787         main_bar_->set_capture_state((pv::Session::capture_state)state);
 788 }
 789
 790 void MainWindow::device_selected()
 791 {
 792         // Set the title to include the device/file name
 793         const shared_ptr<devices::Device> device = session_.device();
 794         if (!device)
 795                 return;
 796
 797         const string display_name = device->display_name(device_manager_);
 798         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 799 }
 800
 801 } // namespace pv