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 <QDockWidget>
  46
  47 #include "mainwindow.hpp"
  48
  49 #include "devicemanager.hpp"
  50 #include "util.hpp"
  51 #include "data/segment.hpp"
  52 #include "devices/hardwaredevice.hpp"
  53 #include "devices/inputfile.hpp"
  54 #include "devices/sessionfile.hpp"
  55 #include "dialogs/about.hpp"
  56 #include "dialogs/connect.hpp"
  57 #include "dialogs/inputoutputoptions.hpp"
  58 #include "dialogs/storeprogress.hpp"
  59 #include "toolbars/mainbar.hpp"
  60 #include "view/logicsignal.hpp"
  61 #include "view/view.hpp"
  62 #include "widgets/exportmenu.hpp"
  63 #include "widgets/importmenu.hpp"
  64 #ifdef ENABLE_DECODE
  65 #include "widgets/decodermenu.hpp"
  66 #endif
  67 #include "widgets/hidingmenubar.hpp"
  68
  69 #include <inttypes.h>
  70 #include <stdint.h>
  71 #include <stdarg.h>
  72 #include <glib.h>
  73 #include <libsigrokcxx/libsigrokcxx.hpp>
  74
  75 using std::cerr;
  76 using std::endl;
  77 using std::list;
  78 using std::make_shared;
  79 using std::map;
  80 using std::max;
  81 using std::pair;
  82 using std::shared_ptr;
  83 using std::string;
  84 using std::vector;
  85
  86 using boost::algorithm::join;
  87
  88 using sigrok::Error;
  89 using sigrok::OutputFormat;
  90 using sigrok::InputFormat;
  91
  92 namespace pv {
  93
  94 namespace view {
  95 class ViewItem;
  96 }
  97
  98 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  99 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
 100
 101 MainWindow::MainWindow(DeviceManager &device_manager,
 102         string open_file_name, string open_file_format,
 103         QWidget *parent) :
 104         QMainWindow(parent),
 105         device_manager_(device_manager),
 106         session_(device_manager),
 107         action_open_(new QAction(this)),
 108         action_save_as_(new QAction(this)),
 109         action_save_selection_as_(new QAction(this)),
 110         action_connect_(new QAction(this)),
 111         action_quit_(new QAction(this)),
 112         action_view_zoom_in_(new QAction(this)),
 113         action_view_zoom_out_(new QAction(this)),
 114         action_view_zoom_fit_(new QAction(this)),
 115         action_view_zoom_one_to_one_(new QAction(this)),
 116         action_view_sticky_scrolling_(new QAction(this)),
 117         action_view_coloured_bg_(new QAction(this)),
 118         action_view_show_cursors_(new QAction(this)),
 119         action_about_(new QAction(this))
 120 #ifdef ENABLE_DECODE
 121         , menu_decoders_add_(new pv::widgets::DecoderMenu(this, true))
 122 #endif
 123 {
 124         qRegisterMetaType<util::Timestamp>("util::Timestamp");
 125
 126         setup_ui();
 127         restore_ui_settings();
 128         if (open_file_name.empty())
 129                 select_init_device();
 130         else
 131                 load_init_file(open_file_name, open_file_format);
 132 }
 133
 134 QAction* MainWindow::action_open() const
 135 {
 136         return action_open_;
 137 }
 138
 139 QAction* MainWindow::action_save_as() const
 140 {
 141         return action_save_as_;
 142 }
 143
 144 QAction* MainWindow::action_save_selection_as() const
 145 {
 146         return action_save_selection_as_;
 147 }
 148
 149 QAction* MainWindow::action_connect() const
 150 {
 151         return action_connect_;
 152 }
 153
 154 QAction* MainWindow::action_quit() const
 155 {
 156         return action_quit_;
 157 }
 158
 159 QAction* MainWindow::action_view_zoom_in() const
 160 {
 161         return action_view_zoom_in_;
 162 }
 163
 164 QAction* MainWindow::action_view_zoom_out() const
 165 {
 166         return action_view_zoom_out_;
 167 }
 168
 169 QAction* MainWindow::action_view_zoom_fit() const
 170 {
 171         return action_view_zoom_fit_;
 172 }
 173
 174 QAction* MainWindow::action_view_zoom_one_to_one() const
 175 {
 176         return action_view_zoom_one_to_one_;
 177 }
 178
 179 QAction* MainWindow::action_view_sticky_scrolling() const
 180 {
 181         return action_view_sticky_scrolling_;
 182 }
 183
 184 QAction* MainWindow::action_view_coloured_bg() const
 185 {
 186         return action_view_coloured_bg_;
 187 }
 188
 189 QAction* MainWindow::action_view_show_cursors() const
 190 {
 191         return action_view_show_cursors_;
 192 }
 193
 194 QAction* MainWindow::action_about() const
 195 {
 196         return action_about_;
 197 }
 198
 199 #ifdef ENABLE_DECODE
 200 QMenu* MainWindow::menu_decoder_add() const
 201 {
 202         return menu_decoders_add_;
 203 }
 204 #endif
 205
 206 shared_ptr<pv::view::View> MainWindow::get_active_view() const
 207 {
 208         // If there's only one view, use it...
 209         if (view_docks_.size() == 1)
 210                 return view_docks_.begin()->second;
 211
 212         // ...otherwise find the dock widget the widget with focus is contained in
 213         QObject *w = QApplication::focusWidget();
 214         QDockWidget *dock = 0;
 215
 216         while (w) {
 217             dock = qobject_cast<QDockWidget*>(w);
 218             if (dock)
 219                 break;
 220             w = w->parent();
 221         }
 222
 223         // Get the view contained in the dock widget
 224         for (auto entry : view_docks_)
 225                 if (entry.first.get() == dock)
 226                         return entry.second;
 227
 228         return shared_ptr<pv::view::View>();
 229 }
 230
 231 shared_ptr<pv::view::View> MainWindow::add_view(const QString &title,
 232         view::ViewType type, Session &session)
 233 {
 234         shared_ptr<pv::view::View> v;
 235
 236         if (type == pv::view::TraceView)
 237                 v = make_shared<pv::view::View>(session, this);
 238
 239         if (v) {
 240                 shared_ptr<QDockWidget> dock = make_shared<QDockWidget>(title, this);
 241                 dock->setWidget(v.get());
 242                 dock->setObjectName(title);
 243                 addDockWidget(Qt::TopDockWidgetArea, dock.get());
 244                 view_docks_[dock] = v;
 245
 246                 if (type == view::TraceView) {
 247                         connect(&session, SIGNAL(trigger_event(util::Timestamp)), v.get(),
 248                                 SLOT(trigger_event(util::Timestamp)));
 249                         connect(v.get(), SIGNAL(sticky_scrolling_changed(bool)), this,
 250                                 SLOT(sticky_scrolling_changed(bool)));
 251                         connect(v.get(), SIGNAL(always_zoom_to_fit_changed(bool)), this,
 252                                 SLOT(always_zoom_to_fit_changed(bool)));
 253
 254                         v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 255                         v->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 256                         action_view_show_cursors_->setChecked(v->cursors_shown());
 257                 }
 258         }
 259
 260         return v;
 261 }
 262
 263 void MainWindow::run_stop()
 264 {
 265         switch (session_.get_capture_state()) {
 266         case Session::Stopped:
 267                 session_.start_capture([&](QString message) {
 268                         session_error("Capture failed", message); });
 269                 break;
 270         case Session::AwaitingTrigger:
 271         case Session::Running:
 272                 session_.stop_capture();
 273                 break;
 274         }
 275 }
 276
 277 void MainWindow::select_device(shared_ptr<devices::Device> device)
 278 {
 279         try {
 280                 if (device)
 281                         session_.set_device(device);
 282                 else
 283                         session_.set_default_device();
 284         } catch (const QString &e) {
 285                 QMessageBox msg(this);
 286                 msg.setText(e);
 287                 msg.setInformativeText(tr("Failed to Select Device"));
 288                 msg.setStandardButtons(QMessageBox::Ok);
 289                 msg.setIcon(QMessageBox::Warning);
 290                 msg.exec();
 291         }
 292 }
 293
 294 void MainWindow::export_file(shared_ptr<OutputFormat> format,
 295         bool selection_only)
 296 {
 297         using pv::dialogs::StoreProgress;
 298
 299         // Make sure there's a view selected to pull the data from
 300         shared_ptr<pv::view::View> view = get_active_view();
 301         if (!view) {
 302                 show_session_error(tr("No View Selected"), tr("Please click on the " \
 303                                 "view whose data you want to save and try again."));
 304                 return;
 305         }
 306
 307         // Stop any currently running capture session
 308         session_.stop_capture();
 309
 310         QSettings settings;
 311         const QString dir = settings.value(SettingSaveDirectory).toString();
 312
 313         std::pair<uint64_t, uint64_t> sample_range;
 314
 315         // Selection only? Verify that the cursors are active and fetch their values
 316         if (selection_only) {
 317                 if (!view->cursors()->enabled()) {
 318                         show_session_error(tr("Missing Cursors"), tr("You need to set the " \
 319                                         "cursors before you can save the data enclosed by them " \
 320                                         "to a session file (e.g. using ALT-V - Show Cursors)."));
 321                         return;
 322                 }
 323
 324                 const double samplerate = session_.get_samplerate();
 325
 326                 const pv::util::Timestamp& start_time = view->cursors()->first()->time();
 327                 const pv::util::Timestamp& end_time = view->cursors()->second()->time();
 328
 329                 const uint64_t start_sample =
 330                         std::max((double)0, start_time.convert_to<double>() * samplerate);
 331                 const uint64_t end_sample = end_time.convert_to<double>() * samplerate;
 332
 333                 sample_range = std::make_pair(start_sample, end_sample);
 334         } else {
 335                 sample_range = std::make_pair(0, 0);
 336         }
 337
 338         // Construct the filter
 339         const vector<string> exts = format->extensions();
 340         QString filter = tr("%1 files ").arg(
 341                 QString::fromStdString(format->description()));
 342
 343         if (exts.empty())
 344                 filter += "(*.*)";
 345         else
 346                 filter += QString("(*.%1);;%2 (*.*)").arg(
 347                         QString::fromStdString(join(exts, ", *.")),
 348                         tr("All Files"));
 349
 350         // Show the file dialog
 351         const QString file_name = QFileDialog::getSaveFileName(
 352                 this, tr("Save File"), dir, filter);
 353
 354         if (file_name.isEmpty())
 355                 return;
 356
 357         const QString abs_path = QFileInfo(file_name).absolutePath();
 358         settings.setValue(SettingSaveDirectory, abs_path);
 359
 360         // Show the options dialog
 361         map<string, Glib::VariantBase> options;
 362         if (!format->options().empty()) {
 363                 dialogs::InputOutputOptions dlg(
 364                         tr("Export %1").arg(QString::fromStdString(
 365                                 format->description())),
 366                         format->options(), this);
 367                 if (!dlg.exec())
 368                         return;
 369                 options = dlg.options();
 370         }
 371
 372         StoreProgress *dlg = new StoreProgress(file_name, format, options,
 373                 sample_range, session_, this);
 374         dlg->run();
 375 }
 376
 377 void MainWindow::import_file(shared_ptr<InputFormat> format)
 378 {
 379         assert(format);
 380
 381         QSettings settings;
 382         const QString dir = settings.value(SettingOpenDirectory).toString();
 383
 384         // Construct the filter
 385         const vector<string> exts = format->extensions();
 386         const QString filter = exts.empty() ? "" :
 387                 tr("%1 files (*.%2)").arg(
 388                         QString::fromStdString(format->description()),
 389                         QString::fromStdString(join(exts, ", *.")));
 390
 391         // Show the file dialog
 392         const QString file_name = QFileDialog::getOpenFileName(
 393                 this, tr("Import File"), dir, tr(
 394                         "%1 files (*.*);;All Files (*.*)").arg(
 395                         QString::fromStdString(format->description())));
 396
 397         if (file_name.isEmpty())
 398                 return;
 399
 400         // Show the options dialog
 401         map<string, Glib::VariantBase> options;
 402         if (!format->options().empty()) {
 403                 dialogs::InputOutputOptions dlg(
 404                         tr("Import %1").arg(QString::fromStdString(
 405                                 format->description())),
 406                         format->options(), this);
 407                 if (!dlg.exec())
 408                         return;
 409                 options = dlg.options();
 410         }
 411
 412         load_file(file_name, format, options);
 413
 414         const QString abs_path = QFileInfo(file_name).absolutePath();
 415         settings.setValue(SettingOpenDirectory, abs_path);
 416 }
 417
 418 void MainWindow::setup_ui()
 419 {
 420         setObjectName(QString::fromUtf8("MainWindow"));
 421
 422         // Set the window icon
 423         QIcon icon;
 424         icon.addFile(QString(":/icons/sigrok-logo-notext.svg"));
 425         setWindowIcon(icon);
 426
 427         // Setup the menu bar
 428         pv::widgets::HidingMenuBar *const menu_bar =
 429                 new pv::widgets::HidingMenuBar(this);
 430
 431         // File Menu
 432         QMenu *const menu_file = new QMenu;
 433         menu_file->setTitle(tr("&File"));
 434
 435         action_open_->setText(tr("&Open..."));
 436         action_open_->setIcon(QIcon::fromTheme("document-open",
 437                 QIcon(":/icons/document-open.png")));
 438         action_open_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 439         action_open_->setObjectName(QString::fromUtf8("actionOpen"));
 440         menu_file->addAction(action_open_);
 441
 442         action_save_as_->setText(tr("&Save As..."));
 443         action_save_as_->setIcon(QIcon::fromTheme("document-save-as",
 444                 QIcon(":/icons/document-save-as.png")));
 445         action_save_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 446         action_save_as_->setObjectName(QString::fromUtf8("actionSaveAs"));
 447         menu_file->addAction(action_save_as_);
 448
 449         action_save_selection_as_->setText(tr("Save Selected &Range As..."));
 450         action_save_selection_as_->setIcon(QIcon::fromTheme("document-save-as",
 451                 QIcon(":/icons/document-save-as.png")));
 452         action_save_selection_as_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_R));
 453         action_save_selection_as_->setObjectName(QString::fromUtf8("actionSaveSelectionAs"));
 454         menu_file->addAction(action_save_selection_as_);
 455
 456         menu_file->addSeparator();
 457
 458         widgets::ExportMenu *menu_file_export = new widgets::ExportMenu(this,
 459                 device_manager_.context());
 460         menu_file_export->setTitle(tr("&Export"));
 461         connect(menu_file_export,
 462                 SIGNAL(format_selected(std::shared_ptr<sigrok::OutputFormat>)),
 463                 this, SLOT(export_file(std::shared_ptr<sigrok::OutputFormat>)));
 464         menu_file->addAction(menu_file_export->menuAction());
 465
 466         widgets::ImportMenu *menu_file_import = new widgets::ImportMenu(this,
 467                 device_manager_.context());
 468         menu_file_import->setTitle(tr("&Import"));
 469         connect(menu_file_import,
 470                 SIGNAL(format_selected(std::shared_ptr<sigrok::InputFormat>)),
 471                 this, SLOT(import_file(std::shared_ptr<sigrok::InputFormat>)));
 472         menu_file->addAction(menu_file_import->menuAction());
 473
 474         menu_file->addSeparator();
 475
 476         action_connect_->setText(tr("&Connect to Device..."));
 477         action_connect_->setObjectName(QString::fromUtf8("actionConnect"));
 478         menu_file->addAction(action_connect_);
 479
 480         menu_file->addSeparator();
 481
 482         action_quit_->setText(tr("&Quit"));
 483         action_quit_->setIcon(QIcon::fromTheme("application-exit",
 484                 QIcon(":/icons/application-exit.png")));
 485         action_quit_->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 486         action_quit_->setObjectName(QString::fromUtf8("actionQuit"));
 487         menu_file->addAction(action_quit_);
 488
 489         // View Menu
 490         QMenu *menu_view = new QMenu;
 491         menu_view->setTitle(tr("&View"));
 492
 493         action_view_zoom_in_->setText(tr("Zoom &In"));
 494         action_view_zoom_in_->setIcon(QIcon::fromTheme("zoom-in",
 495                 QIcon(":/icons/zoom-in.png")));
 496         // simply using Qt::Key_Plus shows no + in the menu
 497         action_view_zoom_in_->setShortcut(QKeySequence::ZoomIn);
 498         action_view_zoom_in_->setObjectName(
 499                 QString::fromUtf8("actionViewZoomIn"));
 500         menu_view->addAction(action_view_zoom_in_);
 501
 502         action_view_zoom_out_->setText(tr("Zoom &Out"));
 503         action_view_zoom_out_->setIcon(QIcon::fromTheme("zoom-out",
 504                 QIcon(":/icons/zoom-out.png")));
 505         action_view_zoom_out_->setShortcut(QKeySequence::ZoomOut);
 506         action_view_zoom_out_->setObjectName(
 507                 QString::fromUtf8("actionViewZoomOut"));
 508         menu_view->addAction(action_view_zoom_out_);
 509
 510         action_view_zoom_fit_->setCheckable(true);
 511         action_view_zoom_fit_->setText(tr("Zoom to &Fit"));
 512         action_view_zoom_fit_->setIcon(QIcon::fromTheme("zoom-fit",
 513                 QIcon(":/icons/zoom-fit.png")));
 514         action_view_zoom_fit_->setShortcut(QKeySequence(Qt::Key_F));
 515         action_view_zoom_fit_->setObjectName(
 516                 QString::fromUtf8("actionViewZoomFit"));
 517         menu_view->addAction(action_view_zoom_fit_);
 518
 519         action_view_zoom_one_to_one_->setText(tr("Zoom to O&ne-to-One"));
 520         action_view_zoom_one_to_one_->setIcon(QIcon::fromTheme("zoom-original",
 521                 QIcon(":/icons/zoom-original.png")));
 522         action_view_zoom_one_to_one_->setShortcut(QKeySequence(Qt::Key_O));
 523         action_view_zoom_one_to_one_->setObjectName(
 524                 QString::fromUtf8("actionViewZoomOneToOne"));
 525         menu_view->addAction(action_view_zoom_one_to_one_);
 526
 527         menu_view->addSeparator();
 528
 529         action_view_sticky_scrolling_->setCheckable(true);
 530         action_view_sticky_scrolling_->setChecked(true);
 531         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 532         action_view_sticky_scrolling_->setObjectName(
 533                 QString::fromUtf8("actionViewStickyScrolling"));
 534         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 535         menu_view->addAction(action_view_sticky_scrolling_);
 536
 537         menu_view->addSeparator();
 538
 539         action_view_coloured_bg_->setCheckable(true);
 540         action_view_coloured_bg_->setChecked(true);
 541         action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B));
 542         action_view_coloured_bg_->setObjectName(
 543                 QString::fromUtf8("actionViewColouredBg"));
 544         action_view_coloured_bg_->setText(tr("Use &coloured backgrounds"));
 545         menu_view->addAction(action_view_coloured_bg_);
 546
 547         menu_view->addSeparator();
 548
 549         action_view_show_cursors_->setCheckable(true);
 550         action_view_show_cursors_->setIcon(QIcon::fromTheme("show-cursors",
 551                 QIcon(":/icons/show-cursors.svg")));
 552         action_view_show_cursors_->setShortcut(QKeySequence(Qt::Key_C));
 553         action_view_show_cursors_->setObjectName(
 554                 QString::fromUtf8("actionViewShowCursors"));
 555         action_view_show_cursors_->setText(tr("Show &Cursors"));
 556         menu_view->addAction(action_view_show_cursors_);
 557
 558         // Decoders Menu
 559 #ifdef ENABLE_DECODE
 560         QMenu *const menu_decoders = new QMenu;
 561         menu_decoders->setTitle(tr("&Decoders"));
 562
 563         menu_decoders_add_->setTitle(tr("&Add"));
 564         connect(menu_decoders_add_, SIGNAL(decoder_selected(srd_decoder*)),
 565                 this, SLOT(add_decoder(srd_decoder*)));
 566
 567         menu_decoders->addMenu(menu_decoders_add_);
 568 #endif
 569
 570         // Help Menu
 571         QMenu *const menu_help = new QMenu;
 572         menu_help->setTitle(tr("&Help"));
 573
 574         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 575         action_about_->setText(tr("&About..."));
 576         menu_help->addAction(action_about_);
 577
 578         menu_bar->addAction(menu_file->menuAction());
 579         menu_bar->addAction(menu_view->menuAction());
 580 #ifdef ENABLE_DECODE
 581         menu_bar->addAction(menu_decoders->menuAction());
 582 #endif
 583         menu_bar->addAction(menu_help->menuAction());
 584
 585         setMenuBar(menu_bar);
 586         QMetaObject::connectSlotsByName(this);
 587
 588         // Also add all actions to the main window for always-enabled hotkeys
 589         for (QAction* action : menu_bar->actions())
 590                 this->addAction(action);
 591
 592         // Setup the toolbar
 593         main_bar_ = new toolbars::MainBar(session_, *this);
 594
 595         // Set up the initial view
 596         add_view(tr("Untitled"), pv::view::TraceView, session_);
 597
 598         // Populate the device list and select the initially selected device
 599         update_device_list();
 600
 601         addToolBar(main_bar_);
 602
 603         // Set the title
 604         setWindowTitle(tr("PulseView"));
 605
 606         // Setup session_ events
 607         connect(&session_, SIGNAL(capture_state_changed(int)), this,
 608                 SLOT(capture_state_changed(int)));
 609         connect(&session_, SIGNAL(device_selected()), this,
 610                 SLOT(device_selected()));
 611 }
 612
 613 void MainWindow::select_init_device()
 614 {
 615         QSettings settings;
 616         map<string, string> dev_info;
 617         list<string> key_list;
 618         shared_ptr<devices::HardwareDevice> device;
 619
 620         // Re-select last used device if possible but only if it's not demo
 621         settings.beginGroup("Device");
 622         key_list.push_back("vendor");
 623         key_list.push_back("model");
 624         key_list.push_back("version");
 625         key_list.push_back("serial_num");
 626         key_list.push_back("connection_id");
 627
 628         for (string key : key_list) {
 629                 const QString k = QString::fromStdString(key);
 630                 if (!settings.contains(k))
 631                         continue;
 632
 633                 const string value = settings.value(k).toString().toStdString();
 634                 if (!value.empty())
 635                         dev_info.insert(std::make_pair(key, value));
 636         }
 637
 638         if (dev_info.count("model") > 0)
 639                 if (dev_info.at("model").find("Demo device") == std::string::npos)
 640                         device = device_manager_.find_device_from_info(dev_info);
 641
 642         // When we can't find a device similar to the one we used last
 643         // time and there is at least one device aside from demo, use it
 644         if (!device) {
 645                 for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) {
 646                         dev_info = device_manager_.get_device_info(dev);
 647
 648                         if (dev_info.count("model") > 0)
 649                                 if (dev_info.at("model").find("Demo device") == std::string::npos) {
 650                                         device = dev;
 651                                         break;
 652                                 }
 653                 }
 654         }
 655
 656         select_device(device);
 657         update_device_list();
 658
 659         settings.endGroup();
 660 }
 661
 662 void MainWindow::load_init_file(const std::string &file_name,
 663         const std::string &format)
 664 {
 665         shared_ptr<InputFormat> input_format;
 666
 667         if (!format.empty()) {
 668                 const map<string, shared_ptr<InputFormat> > formats =
 669                         device_manager_.context()->input_formats();
 670                 const auto iter = find_if(formats.begin(), formats.end(),
 671                         [&](const pair<string, shared_ptr<InputFormat> > f) {
 672                                 return f.first == format; });
 673                 if (iter == formats.end()) {
 674                         cerr << "Unexpected input format: " << format << endl;
 675                         return;
 676                 }
 677
 678                 input_format = (*iter).second;
 679         }
 680
 681         load_file(QString::fromStdString(file_name), input_format);
 682 }
 683
 684
 685 void MainWindow::save_ui_settings()
 686 {
 687         QSettings settings;
 688
 689         map<string, string> dev_info;
 690         list<string> key_list;
 691
 692         settings.beginGroup("MainWindow");
 693         settings.setValue("state", saveState());
 694         settings.setValue("geometry", saveGeometry());
 695         settings.endGroup();
 696
 697         if (session_.device()) {
 698                 settings.beginGroup("Device");
 699                 key_list.push_back("vendor");
 700                 key_list.push_back("model");
 701                 key_list.push_back("version");
 702                 key_list.push_back("serial_num");
 703                 key_list.push_back("connection_id");
 704
 705                 dev_info = device_manager_.get_device_info(
 706                         session_.device());
 707
 708                 for (string key : key_list) {
 709                         if (dev_info.count(key))
 710                                 settings.setValue(QString::fromUtf8(key.c_str()),
 711                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 712                         else
 713                                 settings.remove(QString::fromUtf8(key.c_str()));
 714                 }
 715
 716                 settings.endGroup();
 717         }
 718 }
 719
 720 void MainWindow::restore_ui_settings()
 721 {
 722         QSettings settings;
 723
 724         settings.beginGroup("MainWindow");
 725
 726         if (settings.contains("geometry")) {
 727                 restoreGeometry(settings.value("geometry").toByteArray());
 728                 restoreState(settings.value("state").toByteArray());
 729         } else
 730                 resize(1000, 720);
 731
 732         settings.endGroup();
 733 }
 734
 735 void MainWindow::session_error(
 736         const QString text, const QString info_text)
 737 {
 738         QMetaObject::invokeMethod(this, "show_session_error",
 739                 Qt::QueuedConnection, Q_ARG(QString, text),
 740                 Q_ARG(QString, info_text));
 741 }
 742
 743 void MainWindow::update_device_list()
 744 {
 745         main_bar_->update_device_list();
 746 }
 747
 748 void MainWindow::load_file(QString file_name,
 749         std::shared_ptr<sigrok::InputFormat> format,
 750         const std::map<std::string, Glib::VariantBase> &options)
 751 {
 752         const QString errorMessage(
 753                 QString("Failed to load file %1").arg(file_name));
 754
 755         try {
 756                 if (format)
 757                         session_.set_device(shared_ptr<devices::Device>(
 758                                 new devices::InputFile(
 759                                         device_manager_.context(),
 760                                         file_name.toStdString(),
 761                                         format, options)));
 762                 else
 763                         session_.set_device(shared_ptr<devices::Device>(
 764                                 new devices::SessionFile(
 765                                         device_manager_.context(),
 766                                         file_name.toStdString())));
 767         } catch (Error e) {
 768                 show_session_error(tr("Failed to load ") + file_name, e.what());
 769                 session_.set_default_device();
 770                 update_device_list();
 771                 return;
 772         }
 773
 774         update_device_list();
 775
 776         session_.start_capture([&, errorMessage](QString infoMessage) {
 777                 session_error(errorMessage, infoMessage); });
 778 }
 779
 780 void MainWindow::closeEvent(QCloseEvent *event)
 781 {
 782         save_ui_settings();
 783         event->accept();
 784 }
 785
 786 void MainWindow::keyReleaseEvent(QKeyEvent *event)
 787 {
 788         if (event->key() == Qt::Key_Alt) {
 789                 menuBar()->setHidden(!menuBar()->isHidden());
 790                 menuBar()->setFocus();
 791         }
 792         QMainWindow::keyReleaseEvent(event);
 793 }
 794
 795 void MainWindow::show_session_error(
 796         const QString text, const QString info_text)
 797 {
 798         QMessageBox msg(this);
 799         msg.setText(text);
 800         msg.setInformativeText(info_text);
 801         msg.setStandardButtons(QMessageBox::Ok);
 802         msg.setIcon(QMessageBox::Warning);
 803         msg.exec();
 804 }
 805
 806 void MainWindow::on_actionOpen_triggered()
 807 {
 808         QSettings settings;
 809         const QString dir = settings.value(SettingOpenDirectory).toString();
 810
 811         // Show the dialog
 812         const QString file_name = QFileDialog::getOpenFileName(
 813                 this, tr("Open File"), dir, tr(
 814                         "Sigrok Sessions (*.sr);;"
 815                         "All Files (*.*)"));
 816
 817         if (!file_name.isEmpty()) {
 818                 load_file(file_name);
 819
 820                 const QString abs_path = QFileInfo(file_name).absolutePath();
 821                 settings.setValue(SettingOpenDirectory, abs_path);
 822         }
 823 }
 824
 825 void MainWindow::on_actionSaveAs_triggered()
 826 {
 827         export_file(device_manager_.context()->output_formats()["srzip"]);
 828 }
 829
 830 void MainWindow::on_actionSaveSelectionAs_triggered()
 831 {
 832         export_file(device_manager_.context()->output_formats()["srzip"], true);
 833 }
 834
 835 void MainWindow::on_actionConnect_triggered()
 836 {
 837         // Stop any currently running capture session
 838         session_.stop_capture();
 839
 840         dialogs::Connect dlg(this, device_manager_);
 841
 842         // If the user selected a device, select it in the device list. Select the
 843         // current device otherwise.
 844         if (dlg.exec())
 845                 select_device(dlg.get_selected_device());
 846
 847         update_device_list();
 848 }
 849
 850 void MainWindow::on_actionQuit_triggered()
 851 {
 852         close();
 853 }
 854
 855 void MainWindow::on_actionViewZoomIn_triggered()
 856 {
 857         shared_ptr<pv::view::View> view = get_active_view();
 858         if (view)
 859                 view->zoom(1);
 860 }
 861
 862 void MainWindow::on_actionViewZoomOut_triggered()
 863 {
 864         shared_ptr<pv::view::View> view = get_active_view();
 865         if (view)
 866                 view->zoom(-1);
 867 }
 868
 869 void MainWindow::on_actionViewZoomFit_triggered()
 870 {
 871         shared_ptr<pv::view::View> view = get_active_view();
 872         if (view)
 873                 view->zoom_fit(action_view_zoom_fit_->isChecked());
 874 }
 875
 876 void MainWindow::on_actionViewZoomOneToOne_triggered()
 877 {
 878         shared_ptr<pv::view::View> view = get_active_view();
 879         if (view)
 880                 view->zoom_one_to_one();
 881 }
 882
 883 void MainWindow::on_actionViewStickyScrolling_triggered()
 884 {
 885         shared_ptr<pv::view::View> view = get_active_view();
 886         if (view)
 887                 view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 888 }
 889
 890 void MainWindow::on_actionViewColouredBg_triggered()
 891 {
 892         shared_ptr<pv::view::View> view = get_active_view();
 893         if (view)
 894                 view->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 895 }
 896
 897 void MainWindow::on_actionViewShowCursors_triggered()
 898 {
 899         shared_ptr<pv::view::View> view = get_active_view();
 900         if (!view)
 901                 return;
 902
 903         const bool show = !view->cursors_shown();
 904         if (show)
 905                 view->centre_cursors();
 906
 907         view->show_cursors(show);
 908 }
 909
 910 void MainWindow::on_actionAbout_triggered()
 911 {
 912         dialogs::About dlg(device_manager_.context(), this);
 913         dlg.exec();
 914 }
 915
 916 void MainWindow::sticky_scrolling_changed(bool state)
 917 {
 918         action_view_sticky_scrolling_->setChecked(state);
 919 }
 920
 921 void MainWindow::always_zoom_to_fit_changed(bool state)
 922 {
 923         action_view_zoom_fit_->setChecked(state);
 924 }
 925
 926 void MainWindow::add_decoder(srd_decoder *decoder)
 927 {
 928 #ifdef ENABLE_DECODE
 929         assert(decoder);
 930         session_.add_decoder(decoder);
 931 #else
 932         (void)decoder;
 933 #endif
 934 }
 935
 936 void MainWindow::capture_state_changed(int state)
 937 {
 938         main_bar_->set_capture_state((pv::Session::capture_state)state);
 939 }
 940
 941 void MainWindow::device_selected()
 942 {
 943         // Set the title to include the device/file name
 944         const shared_ptr<devices::Device> device = session_.device();
 945
 946         if (!device) {
 947                 main_bar_->reset_device_selector();
 948                 return;
 949         }
 950
 951         const string display_name = device->display_name(device_manager_);
 952         setWindowTitle(tr("%1 - PulseView").arg(display_name.c_str()));
 953 }
 954
 955 } // namespace pv