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 <QAction>
  31 #include <QApplication>
  32 #include <QButtonGroup>
  33 #include <QCloseEvent>
  34 #include <QFileDialog>
  35 #include <QMessageBox>
  36 #include <QMenu>
  37 #include <QMenuBar>
  38 #include <QSettings>
  39 #include <QStatusBar>
  40 #include <QVBoxLayout>
  41 #include <QWidget>
  42
  43 #include "mainwindow.h"
  44
  45 #include "devicemanager.h"
  46 #include "device/device.h"
  47 #include "dialogs/about.h"
  48 #include "dialogs/connect.h"
  49 #include "dialogs/storeprogress.h"
  50 #include "toolbars/samplingbar.h"
  51 #include "view/logicsignal.h"
  52 #include "view/view.h"
  53 #ifdef ENABLE_DECODE
  54 #include "widgets/decodermenu.h"
  55 #endif
  56
  57 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  58 #define __STDC_FORMAT_MACROS
  59 #include <inttypes.h>
  60 #include <stdint.h>
  61 #include <stdarg.h>
  62 #include <glib.h>
  63 #include <libsigrok/libsigrok.h>
  64
  65 using std::list;
  66 using std::shared_ptr;
  67
  68 namespace pv {
  69
  70 namespace view {
  71 class SelectableItem;
  72 }
  73
  74 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  75 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
  76
  77 MainWindow::MainWindow(DeviceManager &device_manager,
  78         const char *open_file_name,
  79         QWidget *parent) :
  80         QMainWindow(parent),
  81         _device_manager(device_manager),
  82         _session(device_manager)
  83 {
  84         setup_ui();
  85         restore_ui_settings();
  86         if (open_file_name) {
  87                 const QString s(QString::fromUtf8(open_file_name));
  88                 QMetaObject::invokeMethod(this, "load_file",
  89                         Qt::QueuedConnection,
  90                         Q_ARG(QString, s));
  91         }
  92 }
  93
  94 void MainWindow::setup_ui()
  95 {
  96         setObjectName(QString::fromUtf8("MainWindow"));
  97
  98         // Set the window icon
  99         QIcon icon;
 100         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
 101                 QSize(), QIcon::Normal, QIcon::Off);
 102         setWindowIcon(icon);
 103
 104         // Setup the central widget
 105         _central_widget = new QWidget(this);
 106         _vertical_layout = new QVBoxLayout(_central_widget);
 107         _vertical_layout->setSpacing(6);
 108         _vertical_layout->setContentsMargins(0, 0, 0, 0);
 109         setCentralWidget(_central_widget);
 110
 111         _view = new pv::view::View(_session, this);
 112
 113         _vertical_layout->addWidget(_view);
 114
 115         // Setup the menu bar
 116         QMenuBar *const menu_bar = new QMenuBar(this);
 117         menu_bar->setGeometry(QRect(0, 0, 400, 25));
 118
 119         // File Menu
 120         QMenu *const menu_file = new QMenu;
 121         menu_file->setTitle(tr("&File"));
 122
 123         QAction *const action_open = new QAction(this);
 124         action_open->setText(tr("&Open..."));
 125         action_open->setIcon(QIcon::fromTheme("document-open",
 126                 QIcon(":/icons/document-open.png")));
 127         action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 128         action_open->setObjectName(QString::fromUtf8("actionOpen"));
 129         menu_file->addAction(action_open);
 130
 131         QAction *const action_save_as = new QAction(this);
 132         action_save_as->setText(tr("&Save As..."));
 133         action_save_as->setIcon(QIcon::fromTheme("document-save-as",
 134                 QIcon(":/icons/document-save-as.png")));
 135         action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 136         action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
 137         menu_file->addAction(action_save_as);
 138
 139         menu_file->addSeparator();
 140
 141         QAction *const action_connect = new QAction(this);
 142         action_connect->setText(tr("&Connect to Device..."));
 143         action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 144         menu_file->addAction(action_connect);
 145
 146         menu_file->addSeparator();
 147
 148         QAction *action_quit = new QAction(this);
 149         action_quit->setText(tr("&Quit"));
 150         action_quit->setIcon(QIcon::fromTheme("application-exit",
 151                 QIcon(":/icons/application-exit.png")));
 152         action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 153         action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 154         menu_file->addAction(action_quit);
 155
 156         // View Menu
 157         QMenu *menu_view = new QMenu;
 158         menu_view->setTitle(tr("&View"));
 159
 160         QAction *const action_view_zoom_in = new QAction(this);
 161         action_view_zoom_in->setText(tr("Zoom &In"));
 162         action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 163                 QIcon(":/icons/zoom-in.png")));
 164         // simply using Qt::Key_Plus shows no + in the menu
 165         action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
 166         action_view_zoom_in->setObjectName(
 167                 QString::fromUtf8("actionViewZoomIn"));
 168         menu_view->addAction(action_view_zoom_in);
 169
 170         QAction *const action_view_zoom_out = new QAction(this);
 171         action_view_zoom_out->setText(tr("Zoom &Out"));
 172         action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 173                 QIcon(":/icons/zoom-out.png")));
 174         action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
 175         action_view_zoom_out->setObjectName(
 176                 QString::fromUtf8("actionViewZoomOut"));
 177         menu_view->addAction(action_view_zoom_out);
 178
 179         QAction *const action_view_zoom_fit = new QAction(this);
 180         action_view_zoom_fit->setText(tr("Zoom to &Fit"));
 181         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 182                 QIcon(":/icons/zoom-fit.png")));
 183         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 184         action_view_zoom_fit->setObjectName(
 185                 QString::fromUtf8("actionViewZoomFit"));
 186         menu_view->addAction(action_view_zoom_fit);
 187
 188         QAction *const action_view_zoom_one_to_one = new QAction(this);
 189         action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
 190         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
 191                 QIcon(":/icons/zoom-original.png")));
 192         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
 193         action_view_zoom_one_to_one->setObjectName(
 194                 QString::fromUtf8("actionViewZoomOneToOne"));
 195         menu_view->addAction(action_view_zoom_one_to_one);
 196
 197         menu_view->addSeparator();
 198
 199         QAction *action_view_show_cursors = new QAction(this);
 200         action_view_show_cursors->setCheckable(true);
 201         action_view_show_cursors->setChecked(_view->cursors_shown());
 202         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 203         action_view_show_cursors->setObjectName(
 204                 QString::fromUtf8("actionViewShowCursors"));
 205         action_view_show_cursors->setText(tr("Show &Cursors"));
 206         menu_view->addAction(action_view_show_cursors);
 207
 208         // Decoders Menu
 209 #ifdef ENABLE_DECODE
 210         QMenu *const menu_decoders = new QMenu;
 211         menu_decoders->setTitle(tr("&Decoders"));
 212
 213         pv::widgets::DecoderMenu *const menu_decoders_add =
 214                 new pv::widgets::DecoderMenu(menu_decoders, true);
 215         menu_decoders_add->setTitle(tr("&Add"));
 216         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 217                 this, SLOT(add_decoder(srd_decoder*)));
 218
 219         menu_decoders->addMenu(menu_decoders_add);
 220 #endif
 221
 222         // Help Menu
 223         QMenu *const menu_help = new QMenu;
 224         menu_help->setTitle(tr("&Help"));
 225
 226         QAction *const action_about = new QAction(this);
 227         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 228         action_about->setText(tr("&About..."));
 229         menu_help->addAction(action_about);
 230
 231         menu_bar->addAction(menu_file->menuAction());
 232         menu_bar->addAction(menu_view->menuAction());
 233 #ifdef ENABLE_DECODE
 234         menu_bar->addAction(menu_decoders->menuAction());
 235 #endif
 236         menu_bar->addAction(menu_help->menuAction());
 237
 238         setMenuBar(menu_bar);
 239         QMetaObject::connectSlotsByName(this);
 240
 241         // Setup the toolbar
 242         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 243         toolbar->setObjectName(QString::fromUtf8("MainToolbar"));
 244         toolbar->addAction(action_open);
 245         toolbar->addAction(action_save_as);
 246         toolbar->addSeparator();
 247         toolbar->addAction(action_view_zoom_in);
 248         toolbar->addAction(action_view_zoom_out);
 249         toolbar->addAction(action_view_zoom_fit);
 250         toolbar->addAction(action_view_zoom_one_to_one);
 251         addToolBar(toolbar);
 252
 253         // Setup the sampling bar
 254         _sampling_bar = new toolbars::SamplingBar(_session, this);
 255
 256         // Populate the device list and select the initially selected device
 257         update_device_list();
 258
 259         connect(_sampling_bar, SIGNAL(run_stop()), this,
 260                 SLOT(run_stop()));
 261         addToolBar(_sampling_bar);
 262
 263         // Set the title
 264         setWindowTitle(tr("PulseView"));
 265
 266         // Setup _session events
 267         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 268                 SLOT(capture_state_changed(int)));
 269
 270 }
 271
 272 void MainWindow::save_ui_settings()
 273 {
 274         QSettings settings("sigrok", "PulseView");
 275
 276         settings.beginGroup("MainWindow");
 277         settings.setValue("state", saveState());
 278         settings.setValue("geometry", saveGeometry());
 279         settings.endGroup();
 280 }
 281
 282 void MainWindow::restore_ui_settings()
 283 {
 284         QSettings settings("sigrok", "PulseView");
 285
 286         settings.beginGroup("MainWindow");
 287
 288         if (settings.contains("geometry")) {
 289                 restoreGeometry(settings.value("geometry").toByteArray());
 290                 restoreState(settings.value("state").toByteArray());
 291         } else
 292                 resize(1000, 720);
 293
 294         settings.endGroup();
 295 }
 296
 297 void MainWindow::session_error(
 298         const QString text, const QString info_text)
 299 {
 300         QMetaObject::invokeMethod(this, "show_session_error",
 301                 Qt::QueuedConnection, Q_ARG(QString, text),
 302                 Q_ARG(QString, info_text));
 303 }
 304
 305 void MainWindow::update_device_list()
 306 {
 307         assert(_sampling_bar);
 308
 309         shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
 310         list< shared_ptr<device::DevInst> > devices;
 311
 312         if (_device_manager.devices().size() == 0)
 313                 return;
 314
 315         std::copy(_device_manager.devices().begin(),
 316                 _device_manager.devices().end(), std::back_inserter(devices));
 317
 318         if (std::find(devices.begin(), devices.end(), selected_device) ==
 319                 devices.end())
 320                 devices.push_back(selected_device);
 321         assert(selected_device);
 322
 323         _sampling_bar->set_device_list(devices, selected_device);
 324 }
 325
 326 void MainWindow::closeEvent(QCloseEvent *event)
 327 {
 328         save_ui_settings();
 329         event->accept();
 330 }
 331
 332 void MainWindow::load_file(QString file_name)
 333 {
 334         const QString errorMessage(
 335                 QString("Failed to load file %1").arg(file_name));
 336         const QString infoMessage;
 337
 338         try {
 339                 _session.set_file(file_name.toStdString());
 340         } catch(QString e) {
 341                 show_session_error(tr("Failed to load ") + file_name, e);
 342                 _session.set_default_device();
 343                 update_device_list();
 344                 return;
 345         }
 346
 347         update_device_list();
 348
 349         _session.start_capture([&, errorMessage, infoMessage](QString) {
 350                 session_error(errorMessage, infoMessage); });
 351 }
 352
 353 void MainWindow::show_session_error(
 354         const QString text, const QString info_text)
 355 {
 356         QMessageBox msg(this);
 357         msg.setText(text);
 358         msg.setInformativeText(info_text);
 359         msg.setStandardButtons(QMessageBox::Ok);
 360         msg.setIcon(QMessageBox::Warning);
 361         msg.exec();
 362 }
 363
 364 void MainWindow::on_actionOpen_triggered()
 365 {
 366         QSettings settings;
 367         const QString dir = settings.value(SettingOpenDirectory).toString();
 368
 369         // Show the dialog
 370         const QString file_name = QFileDialog::getOpenFileName(
 371                 this, tr("Open File"), dir, tr(
 372                         "Sigrok Sessions (*.sr);;"
 373                         "All Files (*.*)"));
 374
 375         if (!file_name.isEmpty()) {
 376                 load_file(file_name);
 377
 378                 const QString abs_path = QFileInfo(file_name).absolutePath();
 379                 settings.setValue(SettingOpenDirectory, abs_path);
 380         }
 381 }
 382
 383 void MainWindow::on_actionSaveAs_triggered()
 384 {
 385         using pv::dialogs::StoreProgress;
 386
 387         // Stop any currently running capture session
 388         _session.stop_capture();
 389
 390         QSettings settings;
 391         const QString dir = settings.value(SettingSaveDirectory).toString();
 392
 393         // Show the dialog
 394         const QString file_name = QFileDialog::getSaveFileName(
 395                 this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
 396
 397         if (file_name.isEmpty())
 398                 return;
 399
 400         const QString abs_path = QFileInfo(file_name).absolutePath();
 401         settings.setValue(SettingSaveDirectory, abs_path);
 402
 403         StoreProgress *dlg = new StoreProgress(file_name, _session, this);
 404         dlg->run();
 405 }
 406
 407 void MainWindow::on_actionConnect_triggered()
 408 {
 409         // Stop any currently running capture session
 410         _session.stop_capture();
 411
 412         dialogs::Connect dlg(this, _device_manager);
 413
 414         // If the user selected a device, select it in the device list. Select the
 415         // current device otherwise.
 416         if (dlg.exec())
 417                 _session.set_device(dlg.get_selected_device());
 418
 419         update_device_list();
 420 }
 421
 422 void MainWindow::on_actionQuit_triggered()
 423 {
 424         close();
 425 }
 426
 427 void MainWindow::on_actionViewZoomIn_triggered()
 428 {
 429         _view->zoom(1);
 430 }
 431
 432 void MainWindow::on_actionViewZoomOut_triggered()
 433 {
 434         _view->zoom(-1);
 435 }
 436
 437 void MainWindow::on_actionViewZoomFit_triggered()
 438 {
 439         _view->zoom_fit();
 440 }
 441
 442 void MainWindow::on_actionViewZoomOneToOne_triggered()
 443 {
 444         _view->zoom_one_to_one();
 445 }
 446
 447 void MainWindow::on_actionViewShowCursors_triggered()
 448 {
 449         assert(_view);
 450
 451         const bool show = !_view->cursors_shown();
 452         if(show)
 453                 _view->centre_cursors();
 454
 455         _view->show_cursors(show);
 456 }
 457
 458 void MainWindow::on_actionAbout_triggered()
 459 {
 460         dialogs::About dlg(this);
 461         dlg.exec();
 462 }
 463
 464 void MainWindow::add_decoder(srd_decoder *decoder)
 465 {
 466 #ifdef ENABLE_DECODE
 467         assert(decoder);
 468         _session.add_decoder(decoder);
 469 #else
 470         (void)decoder;
 471 #endif
 472 }
 473
 474 void MainWindow::run_stop()
 475 {
 476         switch(_session.get_capture_state()) {
 477         case SigSession::Stopped:
 478                 _session.start_capture([&](QString message) {
 479                         session_error("Capture failed", message); });
 480                 break;
 481
 482         case SigSession::AwaitingTrigger:
 483         case SigSession::Running:
 484                 _session.stop_capture();
 485                 break;
 486         }
 487 }
 488
 489 void MainWindow::capture_state_changed(int state)
 490 {
 491         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 492 }
 493
 494 } // namespace pv