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_connect() const
 138 {
 139         return action_connect_;
 140 }
 141
 142 QAction* MainWindow::action_quit() const
 143 {
 144         return action_quit_;
 145 }
 146
 147 QAction* MainWindow::action_view_zoom_in() const
 148 {
 149         return action_view_zoom_in_;
 150 }
 151
 152 QAction* MainWindow::action_view_zoom_out() const
 153 {
 154         return action_view_zoom_out_;
 155 }
 156
 157 QAction* MainWindow::action_view_zoom_fit() const
 158 {
 159         return action_view_zoom_fit_;
 160 }
 161
 162 QAction* MainWindow::action_view_zoom_one_to_one() const
 163 {
 164         return action_view_zoom_one_to_one_;
 165 }
 166
 167 QAction* MainWindow::action_view_sticky_scrolling() const
 168 {
 169         return action_view_sticky_scrolling_;
 170 }
 171
 172 QAction* MainWindow::action_view_show_cursors() const
 173 {
 174         return action_view_show_cursors_;
 175 }
 176
 177 QAction* MainWindow::action_about() const
 178 {
 179         return action_about_;
 180 }
 181
 182 #ifdef ENABLE_DECODE
 183 QMenu* MainWindow::menu_decoder_add() const
 184 {
 185         return menu_decoders_add_;
 186 }
 187 #endif
 188
 189 void MainWindow::run_stop()
 190 {
 191         switch(session_.get_capture_state()) {
 192         case Session::Stopped:
 193                 session_.start_capture([&](QString message) {
 194                         session_error("Capture failed", message); });
 195                 break;
 196
 197         case Session::AwaitingTrigger:
 198         case Session::Running:
 199                 session_.stop_capture();
 200                 break;
 201         }
 202 }
 203
 204 void MainWindow::select_device(shared_ptr<devices::Device> device)
 205 {
 206         try {
 207                 if (device)
 208                         session_.set_device(device);
 209                 else
 210                         session_.set_default_device();
 211         } catch(const QString &e) {
 212                 QMessageBox msg(this);
 213                 msg.setText(e);
 214                 msg.setInformativeText(tr("Failed to Select Device"));
 215                 msg.setStandardButtons(QMessageBox::Ok);
 216                 msg.setIcon(QMessageBox::Warning);
 217                 msg.exec();
 218         }
 219 }
 220
 221 void MainWindow::export_file(shared_ptr<OutputFormat> format)
 222 {
 223         using pv::dialogs::StoreProgress;
 224
 225         // Stop any currently running capture session
 226         session_.stop_capture();
 227
 228         QSettings settings;
 229         const QString dir = settings.value(SettingSaveDirectory).toString();
 230
 231         // Construct the filter
 232         const vector<string> exts = format->extensions();
 233         QString filter = tr("%1 files ").arg(
 234                 QString::fromStdString(format->description()));
 235
 236         if (exts.empty())
 237                 filter += "(*.*)";
 238         else
 239                 filter += QString("(*.%1);;%2 (*.*)").arg(
 240                         QString::fromStdString(join(exts, ", *."))).arg(
 241                         tr("All Files"));
 242
 243         // Show the file dialog
 244         const QString file_name = QFileDialog::getSaveFileName(
 245                 this, tr("Save File"), dir, filter);
 246
 247         if (file_name.isEmpty())
 248                 return;
 249
 250         const QString abs_path = QFileInfo(file_name).absolutePath();
 251         settings.setValue(SettingSaveDirectory, abs_path);
 252
 253         // Show the options dialog
 254         map<string, Glib::VariantBase> options;
 255         if (!format->options().empty()) {
 256                 dialogs::InputOutputOptions dlg(
 257                         tr("Export %1").arg(QString::fromStdString(
 258                                 format->description())),
 259                         format->options(), this);
 260                 if (!dlg.exec())
 261                         return;
 262                 options = dlg.options();
 263         }
 264
 265         const std::pair<uint64_t, uint64_t> sample_range = std::make_pair(0, 0);
 266
 267         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 268                 sample_range, session_, this);
 269         dlg->run();
 270 }
 271
 272 void MainWindow::import_file(shared_ptr<InputFormat> format)
 273 {
 274         assert(format);
 275
 276         QSettings settings;
 277         const QString dir = settings.value(SettingOpenDirectory).toString();
 278
 279         // Construct the filter
 280         const vector<string> exts = format->extensions();
 281         const QString filter = exts.empty() ? "" :
 282                 tr("%1 files (*.%2)").arg(
 283                         QString::fromStdString(format->description())).arg(
 284                         QString::fromStdString(join(exts, ", *.")));
 285
 286         // Show the file dialog
 287         const QString file_name = QFileDialog::getOpenFileName(
 288                 this, tr("Import File"), dir, tr(
 289                         "%1 files (*.*);;All Files (*.*)").arg(
 290                         QString::fromStdString(format->description())));
 291
 292         if (file_name.isEmpty())
 293                 return;
 294
 295         // Show the options dialog
 296         map<string, Glib::VariantBase> options;
 297         if (!format->options().empty()) {
 298                 dialogs::InputOutputOptions dlg(
 299                         tr("Import %1").arg(QString::fromStdString(
 300                                 format->description())),
 301                         format->options(), this);
 302                 if (!dlg.exec())
 303                         return;
 304                 options = dlg.options();
 305         }
 306
 307         load_file(file_name, format, options);
 308
 309         const QString abs_path = QFileInfo(file_name).absolutePath();
 310         settings.setValue(SettingOpenDirectory, abs_path);
 311 }
 312
 313 void MainWindow::setup_ui()
 314 {
 315         setObjectName(QString::fromUtf8("MainWindow"));
 316
 317         // Set the window icon
 318         QIcon icon;
 319         icon.addFile(QString(":/icons/sigrok-logo-notext.svg"));
 320         setWindowIcon(icon);
 321
 322         // Setup the central widget
 323         central_widget_ = new QWidget(this);
 324         vertical_layout_ = new QVBoxLayout(central_widget_);
 325         vertical_layout_->setSpacing(6);
 326         vertical_layout_->setContentsMargins(0, 0, 0, 0);
 327         setCentralWidget(central_widget_);
 328
 329         view_ = new pv::view::View(session_, this);
 330
 331         vertical_layout_->addWidget(view_);
 332
 333         // Setup the menu bar
 334         pv::widgets::HidingMenuBar *const menu_bar =
 335                 new pv::widgets::HidingMenuBar(this);
 336
 337         // File Menu
 338         QMenu *const menu_file = new QMenu;
 339         menu_file->setTitle(tr("&File"));
 340
 341         action_open_->setText(tr("&Open..."));
 342         action_open_->setIcon(QIcon::fromTheme("document-open",
 343                 QIcon(":/icons/document-open.png")));
 344         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 345         action_open_->setObjectName(QString::fromUtf8("actionOpen"));
 346         menu_file->addAction(action_open_);
 347
 348         action_save_as_->setText(tr("&Save As..."));
 349         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 350                 QIcon(":/icons/document-save-as.png")));
 351         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 352         action_save_as_->setObjectName(QString::fromUtf8("actionSaveAs"));
 353         menu_file->addAction(action_save_as_);
 354
 355         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 356         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 357                 QIcon(":/icons/document-save-as.png")));
 358         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 359         action_save_selection_as_->setObjectName(QString::fromUtf8("actionSaveSelectionAs"));
 360         menu_file->addAction(action_save_selection_as_);
 361
 362         menu_file->addSeparator();
 363
 364         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 365                 device_manager_.context());
 366         menu_file_export->setTitle(tr("&Export"));
 367         connect(menu_file_export,
 368                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 369                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 370         menu_file->addAction(menu_file_export->menuAction());
 371
 372         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 373                 device_manager_.context());
 374         menu_file_import->setTitle(tr("&Import"));
 375         connect(menu_file_import,
 376                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 377                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 378         menu_file->addAction(menu_file_import->menuAction());
 379
 380         menu_file->addSeparator();
 381
 382         action_connect_->setText(tr("&Connect to Device..."));
 383         action_connect_->setObjectName(QString::fromUtf8("actionConnect"));
 384         menu_file->addAction(action_connect_);
 385
 386         menu_file->addSeparator();
 387
 388         action_quit_->setText(tr("&Quit"));
 389         action_quit_->setIcon(QIcon::fromTheme("application-exit",
 390                 QIcon(":/icons/application-exit.png")));
 391         action_quit_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 392         action_quit_->setObjectName(QString::fromUtf8("actionQuit"));
 393         menu_file->addAction(action_quit_);
 394
 395         // View Menu
 396         QMenu *menu_view = new QMenu;
 397         menu_view->setTitle(tr("&View"));
 398
 399         action_view_zoom_in_->setText(tr("Zoom &In"));
 400         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 401                 QIcon(":/icons/zoom-in.png")));
 402         // simply using Qt::Key_Plus shows no + in the menu
 403         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 404         action_view_zoom_in_->setObjectName(
 405                 QString::fromUtf8("actionViewZoomIn"));
 406         menu_view->addAction(action_view_zoom_in_);
 407
 408         action_view_zoom_out_->setText(tr("Zoom &Out"));
 409         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 410                 QIcon(":/icons/zoom-out.png")));
 411         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 412         action_view_zoom_out_->setObjectName(
 413                 QString::fromUtf8("actionViewZoomOut"));
 414         menu_view->addAction(action_view_zoom_out_);
 415
 416         action_view_zoom_fit_->setCheckable(true);
 417         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 418         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 419                 QIcon(":/icons/zoom-fit.png")));
 420         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 421         action_view_zoom_fit_->setObjectName(
 422                 QString::fromUtf8("actionViewZoomFit"));
 423         menu_view->addAction(action_view_zoom_fit_);
 424
 425         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 426         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 427                 QIcon(":/icons/zoom-original.png")));
 428         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 429         action_view_zoom_one_to_one_->setObjectName(
 430                 QString::fromUtf8("actionViewZoomOneToOne"));
 431         menu_view->addAction(action_view_zoom_one_to_one_);
 432
 433         menu_file->addSeparator();
 434
 435         action_view_sticky_scrolling_->setCheckable(true);
 436         action_view_sticky_scrolling_->setChecked(true);
 437         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 438         action_view_sticky_scrolling_->setObjectName(
 439                 QString::fromUtf8("actionViewStickyScrolling"));
 440         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 441         menu_view->addAction(action_view_sticky_scrolling_);
 442
 443         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 444
 445         menu_view->addSeparator();
 446
 447         action_view_show_cursors_->setCheckable(true);
 448         action_view_show_cursors_->setChecked(view_->cursors_shown());
 449         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 450                 QIcon(":/icons/show-cursors.svg")));
 451         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 452         action_view_show_cursors_->setObjectName(
 453                 QString::fromUtf8("actionViewShowCursors"));
 454         action_view_show_cursors_->setText(tr("Show &Cursors"));
 455         menu_view->addAction(action_view_show_cursors_);
 456
 457         // Decoders Menu
 458 #ifdef ENABLE_DECODE
 459         QMenu *const menu_decoders = new QMenu;
 460         menu_decoders->setTitle(tr("&Decoders"));
 461
 462         menu_decoders_add_->setTitle(tr("&Add"));
 463         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 464                 this, SLOT(add_decoder(srd_decoder*)));
 465
 466         menu_decoders->addMenu(menu_decoders_add_);
 467 #endif
 468
 469         // Help Menu
 470         QMenu *const menu_help = new QMenu;
 471         menu_help->setTitle(tr("&Help"));
 472
 473         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 474         action_about_->setText(tr("&About..."));
 475         menu_help->addAction(action_about_);
 476
 477         menu_bar->addAction(menu_file->menuAction());
 478         menu_bar->addAction(menu_view->menuAction());
 479 #ifdef ENABLE_DECODE
 480         menu_bar->addAction(menu_decoders->menuAction());
 481 #endif
 482         menu_bar->addAction(menu_help->menuAction());
 483
 484         setMenuBar(menu_bar);
 485         QMetaObject::connectSlotsByName(this);
 486
 487         // Also add all actions to the main window for always-enabled hotkeys
 488         for (QAction* action : menu_bar->actions())
 489                 this->addAction(action);
 490
 491         // Setup the toolbar
 492         main_bar_ = new toolbars::MainBar(session_, *this);
 493
 494         // Populate the device list and select the initially selected device
 495         update_device_list();
 496
 497         addToolBar(main_bar_);
 498
 499         // Set the title
 500         setWindowTitle(tr("PulseView"));
 501
 502         // Setup session_ events
 503         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 504                 SLOT(capture_state_changed(int)));
 505         connect(&session_, SIGNAL(device_selected()), this,
 506                 SLOT(device_selected()));
 507
 508         // Setup view_ events
 509         connect(view_, SIGNAL(sticky_scrolling_changed(bool)), this,
 510                 SLOT(sticky_scrolling_changed(bool)));
 511         connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)), this,
 512                 SLOT(always_zoom_to_fit_changed(bool)));
 513 }
 514
 515 void MainWindow::select_init_device() {
 516         QSettings settings;
 517         map<string, string> dev_info;
 518         list<string> key_list;
 519
 520         // Re-select last used device if possible.
 521         settings.beginGroup("Device");
 522         key_list.push_back("vendor");
 523         key_list.push_back("model");
 524         key_list.push_back("version");
 525         key_list.push_back("serial_num");
 526         key_list.push_back("connection_id");
 527
 528         for (string key : key_list) {
 529                 const QString k = QString::fromStdString(key);
 530                 if (!settings.contains(k))
 531                         continue;
 532
 533                 const string value = settings.value(k).toString().toStdString();
 534                 if (!value.empty())
 535                         dev_info.insert(std::make_pair(key, value));
 536         }
 537
 538         const shared_ptr<devices::HardwareDevice> device =
 539                 device_manager_.find_device_from_info(dev_info);
 540         select_device(device);
 541         update_device_list();
 542
 543         settings.endGroup();
 544 }
 545
 546 void MainWindow::load_init_file(const std::string &file_name,
 547         const std::string &format) {
 548         shared_ptr<InputFormat> input_format;
 549
 550         if (!format.empty()) {
 551                 const map<string, shared_ptr<InputFormat> > formats =
 552                         device_manager_.context()->input_formats();
 553                 const auto iter = find_if(formats.begin(), formats.end(),
 554                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 555                                 return f.first == format; });
 556                 if (iter == formats.end()) {
 557                         cerr << "Unexpected input format: " << format << endl;
 558                         return;
 559                 }
 560
 561                 input_format = (*iter).second;
 562         }
 563
 564         load_file(QString::fromStdString(file_name), input_format);
 565 }
 566
 567
 568 void MainWindow::save_ui_settings()
 569 {
 570         QSettings settings;
 571
 572         map<string, string> dev_info;
 573         list<string> key_list;
 574
 575         settings.beginGroup("MainWindow");
 576         settings.setValue("state", saveState());
 577         settings.setValue("geometry", saveGeometry());
 578         settings.endGroup();
 579
 580         if (session_.device()) {
 581                 settings.beginGroup("Device");
 582                 key_list.push_back("vendor");
 583                 key_list.push_back("model");
 584                 key_list.push_back("version");
 585                 key_list.push_back("serial_num");
 586                 key_list.push_back("connection_id");
 587
 588                 dev_info = device_manager_.get_device_info(
 589                         session_.device());
 590
 591                 for (string key : key_list) {
 592
 593                         if (dev_info.count(key))
 594                                 settings.setValue(QString::fromUtf8(key.c_str()),
 595                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 596                         else
 597                                 settings.remove(QString::fromUtf8(key.c_str()));
 598                 }
 599
 600                 settings.endGroup();
 601         }
 602 }
 603
 604 void MainWindow::restore_ui_settings()
 605 {
 606         QSettings settings;
 607
 608         settings.beginGroup("MainWindow");
 609
 610         if (settings.contains("geometry")) {
 611                 restoreGeometry(settings.value("geometry").toByteArray());
 612                 restoreState(settings.value("state").toByteArray());
 613         } else
 614                 resize(1000, 720);
 615
 616         settings.endGroup();
 617 }
 618
 619 void MainWindow::session_error(
 620         const QString text, const QString info_text)
 621 {
 622         QMetaObject::invokeMethod(this, "show_session_error",
 623                 Qt::QueuedConnection, Q_ARG(QString, text),
 624                 Q_ARG(QString, info_text));
 625 }
 626
 627 void MainWindow::update_device_list()
 628 {
 629         main_bar_->update_device_list();
 630 }
 631
 632 void MainWindow::load_file(QString file_name,
 633         std::shared_ptr<sigrok::InputFormat> format,
 634         const std::map<std::string, Glib::VariantBase> &options)
 635 {
 636         const QString errorMessage(
 637                 QString("Failed to load file %1").arg(file_name));
 638
 639         try {
 640                 if (format)
 641                         session_.set_device(shared_ptr<devices::Device>(
 642                                 new devices::InputFile(
 643                                         device_manager_.context(),
 644                                         file_name.toStdString(),
 645                                         format, options)));
 646                 else
 647                         session_.set_device(shared_ptr<devices::Device>(
 648                                 new devices::SessionFile(
 649                                         device_manager_.context(),
 650                                         file_name.toStdString())));
 651         } catch(Error e) {
 652                 show_session_error(tr("Failed to load ") + file_name, e.what());
 653                 session_.set_default_device();
 654                 update_device_list();
 655                 return;
 656         }
 657
 658         update_device_list();
 659
 660         session_.start_capture([&, errorMessage](QString infoMessage) {
 661                 session_error(errorMessage, infoMessage); });
 662 }
 663
 664 void MainWindow::save_selection_to_file()
 665 {
 666         // Stop any currently running capture session
 667         session_.stop_capture();
 668
 669         // Get sample rate
 670         double samplerate = 0.0;
 671
 672         for (const shared_ptr<pv::data::SignalData> d : session_.get_data()) {
 673                 assert(d);
 674                 const vector< shared_ptr<pv::data::Segment> > segments =
 675                         d->segments();
 676                 for (const shared_ptr<pv::data::Segment> &s : segments)
 677                         samplerate = std::max(samplerate, s->samplerate());
 678         }
 679
 680         if (samplerate == 0.0)
 681                 samplerate = 1;
 682
 683         // Verify that the cursors are active and fetch their values
 684         if (!view_->cursors()->enabled()) {
 685                 show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 686                                 "cursors before you can save the data enclosed by them " \
 687                                 "to a session file (e.g. using ALT-V - Show Cursors)."));
 688                 return;
 689         }
 690
 691         const pv::util::Timestamp& start_time = view_->cursors()->first()->time();
 692         const pv::util::Timestamp& end_time = view_->cursors()->second()->time();
 693
 694         const uint64_t start_sample = start_time.convert_to<double>() * samplerate;
 695     const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 696
 697         const std::pair<uint64_t, uint64_t> sample_range =
 698                         std::make_pair(start_sample, end_sample);
 699
 700         // Ask for output file name
 701         QSettings settings;
 702         const QString dir = settings.value(SettingSaveDirectory).toString();
 703
 704         shared_ptr<OutputFormat> format =
 705                         device_manager_.context()->output_formats()["srzip"];
 706
 707         const vector<string> exts = format->extensions();
 708         QString filter = tr("%1 files ").arg(
 709                 QString::fromStdString(format->description()));
 710
 711         if (exts.empty())
 712                 filter += "(*.*)";
 713         else
 714                 filter += QString("(*.%1);;%2 (*.*)").arg(
 715                         QString::fromStdString(join(exts, ", *."))).arg(
 716                         tr("All Files"));
 717
 718         const QString file_name = QFileDialog::getSaveFileName(
 719                 this, tr("Save File"), dir, filter);
 720
 721         if (file_name.isEmpty())
 722                 return;
 723
 724         const QString abs_path = QFileInfo(file_name).absolutePath();
 725         settings.setValue(SettingSaveDirectory, abs_path);
 726
 727         // Show the options dialog
 728         map<string, Glib::VariantBase> options;
 729         if (!format->options().empty()) {
 730                 dialogs::InputOutputOptions dlg(
 731                         tr("Export %1").arg(QString::fromStdString(
 732                                 format->description())),
 733                         format->options(), this);
 734                 if (!dlg.exec())
 735                         return;
 736                 options = dlg.options();
 737         }
 738
 739         // Save
 740         pv::dialogs::StoreProgress *dlg = new pv::dialogs::StoreProgress(file_name,
 741                 format, options, sample_range, session_, this);
 742         dlg->run();
 743 }
 744
 745 void MainWindow::closeEvent(QCloseEvent *event)
 746 {
 747         save_ui_settings();
 748         event->accept();
 749 }
 750
 751 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 752 {
 753         if (event->key() == Qt::Key_Alt) {
 754                 menuBar()->setHidden(!menuBar()->isHidden());
 755                 menuBar()->setFocus();
 756         }
 757         QMainWindow::keyReleaseEvent(event);
 758 }
 759
 760 void MainWindow::show_session_error(
 761         const QString text, const QString info_text)
 762 {
 763         QMessageBox msg(this);
 764         msg.setText(text);
 765         msg.setInformativeText(info_text);
 766         msg.setStandardButtons(QMessageBox::Ok);
 767         msg.setIcon(QMessageBox::Warning);
 768         msg.exec();
 769 }
 770
 771 void MainWindow::on_actionOpen_triggered()
 772 {
 773         QSettings settings;
 774         const QString dir = settings.value(SettingOpenDirectory).toString();
 775
 776         // Show the dialog
 777         const QString file_name = QFileDialog::getOpenFileName(
 778                 this, tr("Open File"), dir, tr(
 779                         "Sigrok Sessions (*.sr);;"
 780                         "All Files (*.*)"));
 781
 782         if (!file_name.isEmpty()) {
 783                 load_file(file_name);
 784
 785                 const QString abs_path = QFileInfo(file_name).absolutePath();
 786                 settings.setValue(SettingOpenDirectory, abs_path);
 787         }
 788 }
 789
 790 void MainWindow::on_actionSaveAs_triggered()
 791 {
 792         export_file(device_manager_.context()->output_formats()["srzip"]);
 793 }
 794
 795 void MainWindow::on_actionSaveSelectionAs_triggered()
 796 {
 797         save_selection_to_file();
 798 }
 799
 800 void MainWindow::on_actionConnect_triggered()
 801 {
 802         // Stop any currently running capture session
 803         session_.stop_capture();
 804
 805         dialogs::Connect dlg(this, device_manager_);
 806
 807         // If the user selected a device, select it in the device list. Select the
 808         // current device otherwise.
 809         if (dlg.exec())
 810                 select_device(dlg.get_selected_device());
 811
 812         update_device_list();
 813 }
 814
 815 void MainWindow::on_actionQuit_triggered()
 816 {
 817         close();
 818 }
 819
 820 void MainWindow::on_actionViewZoomIn_triggered()
 821 {
 822         view_->zoom(1);
 823 }
 824
 825 void MainWindow::on_actionViewZoomOut_triggered()
 826 {
 827         view_->zoom(-1);
 828 }
 829
 830 void MainWindow::on_actionViewZoomFit_triggered()
 831 {
 832         view_->zoom_fit(action_view_zoom_fit_->isChecked());
 833 }
 834
 835 void MainWindow::on_actionViewZoomOneToOne_triggered()
 836 {
 837         view_->zoom_one_to_one();
 838 }
 839
 840 void MainWindow::on_actionViewStickyScrolling_triggered()
 841 {
 842         view_->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 843 }
 844
 845 void MainWindow::on_actionViewShowCursors_triggered()
 846 {
 847         assert(view_);
 848
 849         const bool show = !view_->cursors_shown();
 850         if (show)
 851                 view_->centre_cursors();
 852
 853         view_->show_cursors(show);
 854 }
 855
 856 void MainWindow::on_actionAbout_triggered()
 857 {
 858         dialogs::About dlg(device_manager_.context(), this);
 859         dlg.exec();
 860 }
 861
 862 void MainWindow::sticky_scrolling_changed(bool state)
 863 {
 864         action_view_sticky_scrolling_->setChecked(state);
 865 }
 866
 867 void MainWindow::always_zoom_to_fit_changed(bool state)
 868 {
 869         action_view_zoom_fit_->setChecked(state);
 870 }
 871
 872 void MainWindow::add_decoder(srd_decoder *decoder)
 873 {
 874 #ifdef ENABLE_DECODE
 875         assert(decoder);
 876         session_.add_decoder(decoder);
 877 #else
 878         (void)decoder;
 879 #endif
 880 }
 881
 882 void MainWindow::capture_state_changed(int state)
 883 {
 884         main_bar_->set_capture_state((pv::Session::capture_state)state);
 885 }
 886
 887 void MainWindow::device_selected()
 888 {
 889         // Set the title to include the device/file name
 890         const shared_ptr<devices::Device> device = session_.device();
 891         if (!device)
 892                 return;
 893
 894         const string display_name = device->display_name(device_manager_);
 895         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 896 }
 897
 898 } // namespace pv