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 #ifdef ENABLE_SIGROKDECODE
  22 #include <libsigrokdecode/libsigrokdecode.h>
  23 #endif
  24
  25 #include <boost/bind.hpp>
  26 #include <boost/foreach.hpp>
  27
  28 #include <QAction>
  29 #include <QApplication>
  30 #include <QButtonGroup>
  31 #include <QFileDialog>
  32 #include <QMessageBox>
  33 #include <QMenu>
  34 #include <QMenuBar>
  35 #include <QStatusBar>
  36 #include <QVBoxLayout>
  37 #include <QWidget>
  38
  39 #include "mainwindow.h"
  40
  41 #include "devicemanager.h"
  42 #include "dialogs/about.h"
  43 #include "dialogs/connect.h"
  44 #include "toolbars/contextbar.h"
  45 #include "toolbars/samplingbar.h"
  46 #include "view/view.h"
  47
  48 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  49 #define __STDC_FORMAT_MACROS
  50 #include <inttypes.h>
  51 #include <stdint.h>
  52 #include <stdarg.h>
  53 #include <glib.h>
  54 #include <libsigrok/libsigrok.h>
  55
  56 using namespace boost;
  57 using namespace std;
  58
  59 namespace pv {
  60
  61 namespace view {
  62 class SelectableItem;
  63 }
  64
  65 MainWindow::MainWindow(DeviceManager &device_manager,
  66         const char *open_file_name,
  67         QWidget *parent) :
  68         QMainWindow(parent),
  69         _device_manager(device_manager),
  70         _session(device_manager)
  71 {
  72         setup_ui();
  73         if (open_file_name) {
  74                 const QString s(QString::fromUtf8(open_file_name));
  75                 QMetaObject::invokeMethod(this, "load_file",
  76                         Qt::QueuedConnection,
  77                         Q_ARG(QString, s));
  78         }
  79 }
  80
  81 void MainWindow::setup_ui()
  82 {
  83         setObjectName(QString::fromUtf8("MainWindow"));
  84
  85         resize(1024, 768);
  86
  87         // Set the window icon
  88         QIcon icon;
  89         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  90                 QSize(), QIcon::Normal, QIcon::Off);
  91         setWindowIcon(icon);
  92
  93         // Setup the central widget
  94         _central_widget = new QWidget(this);
  95         _vertical_layout = new QVBoxLayout(_central_widget);
  96         _vertical_layout->setSpacing(6);
  97         _vertical_layout->setContentsMargins(0, 0, 0, 0);
  98         setCentralWidget(_central_widget);
  99
 100         _view = new pv::view::View(_session, this);
 101         connect(_view, SIGNAL(selection_changed()), this,
 102                 SLOT(view_selection_changed()));
 103
 104         _vertical_layout->addWidget(_view);
 105
 106         // Setup the menu bar
 107         _menu_bar = new QMenuBar(this);
 108         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
 109
 110         // File Menu
 111         _menu_file = new QMenu(_menu_bar);
 112         _menu_file->setTitle(QApplication::translate(
 113                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 114
 115         _action_open = new QAction(this);
 116         _action_open->setText(QApplication::translate(
 117                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 118         _action_open->setIcon(QIcon::fromTheme("document-open",
 119                 QIcon(":/icons/document-open.png")));
 120         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
 121         _menu_file->addAction(_action_open);
 122
 123         _menu_file->addSeparator();
 124
 125         _action_connect = new QAction(this);
 126         _action_connect->setText(QApplication::translate(
 127                 "MainWindow", "&Connect to Device...", 0,
 128                 QApplication::UnicodeUTF8));
 129         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 130         _menu_file->addAction(_action_connect);
 131
 132         _menu_file->addSeparator();
 133
 134         _action_quit = new QAction(this);
 135         _action_quit->setText(QApplication::translate(
 136                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 137         _action_quit->setIcon(QIcon::fromTheme("application-exit",
 138                 QIcon(":/icons/application-exit.png")));
 139         _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 140         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 141         _menu_file->addAction(_action_quit);
 142
 143         // View Menu
 144         _menu_view = new QMenu(_menu_bar);
 145         _menu_view->setTitle(QApplication::translate(
 146                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 147
 148         _action_view_zoom_in = new QAction(this);
 149         _action_view_zoom_in->setText(QApplication::translate(
 150                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 151         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 152                 QIcon(":/icons/zoom-in.png")));
 153         _action_view_zoom_in->setObjectName(
 154                 QString::fromUtf8("actionViewZoomIn"));
 155         _menu_view->addAction(_action_view_zoom_in);
 156
 157         _action_view_zoom_out = new QAction(this);
 158         _action_view_zoom_out->setText(QApplication::translate(
 159                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 160         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 161                 QIcon(":/icons/zoom-out.png")));
 162         _action_view_zoom_out->setObjectName(
 163                 QString::fromUtf8("actionViewZoomOut"));
 164         _menu_view->addAction(_action_view_zoom_out);
 165
 166         _menu_view->addSeparator();
 167
 168         _action_view_show_cursors = new QAction(this);
 169         _action_view_show_cursors->setCheckable(true);
 170         _action_view_show_cursors->setChecked(_view->cursors_shown());
 171         _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 172         _action_view_show_cursors->setObjectName(
 173                 QString::fromUtf8("actionViewShowCursors"));
 174         _action_view_show_cursors->setText(QApplication::translate(
 175                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 176         _menu_view->addAction(_action_view_show_cursors);
 177
 178         // Help Menu
 179         _menu_help = new QMenu(_menu_bar);
 180         _menu_help->setTitle(QApplication::translate(
 181                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 182
 183         _action_about = new QAction(this);
 184         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 185         _action_about->setText(QApplication::translate(
 186                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 187         _menu_help->addAction(_action_about);
 188
 189         _menu_bar->addAction(_menu_file->menuAction());
 190         _menu_bar->addAction(_menu_view->menuAction());
 191         _menu_bar->addAction(_menu_help->menuAction());
 192
 193         setMenuBar(_menu_bar);
 194         QMetaObject::connectSlotsByName(this);
 195
 196         // Setup the toolbar
 197         _toolbar = new QToolBar(tr("Main Toolbar"), this);
 198         _toolbar->addAction(_action_open);
 199         _toolbar->addSeparator();
 200         _toolbar->addAction(_action_view_zoom_in);
 201         _toolbar->addAction(_action_view_zoom_out);
 202         addToolBar(_toolbar);
 203
 204         // Setup the sampling bar
 205         _sampling_bar = new toolbars::SamplingBar(this);
 206
 207         // Populate the device list and select the initially selected device
 208         update_device_list();
 209
 210         connect(_sampling_bar, SIGNAL(device_selected()), this,
 211                 SLOT(device_selected()));
 212         connect(_sampling_bar, SIGNAL(run_stop()), this,
 213                 SLOT(run_stop()));
 214         addToolBar(_sampling_bar);
 215
 216         // Setup the context bar
 217         _context_bar = new toolbars::ContextBar(this);
 218         addToolBar(_context_bar);
 219         insertToolBarBreak(_context_bar);
 220
 221         // Set the title
 222         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 223                 QApplication::UnicodeUTF8));
 224
 225         // Setup _session events
 226         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 227                 SLOT(capture_state_changed(int)));
 228
 229 }
 230
 231 void MainWindow::session_error(
 232         const QString text, const QString info_text)
 233 {
 234         QMetaObject::invokeMethod(this, "show_session_error",
 235                 Qt::QueuedConnection, Q_ARG(QString, text),
 236                 Q_ARG(QString, info_text));
 237 }
 238
 239 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 240 {
 241         assert(_sampling_bar);
 242
 243         const list<sr_dev_inst*> &devices = _device_manager.devices();
 244         _sampling_bar->set_device_list(devices);
 245
 246         if (!selected_device && !devices.empty()) {
 247                 // Fall back to the first device in the list.
 248                 selected_device = devices.front();
 249
 250                 // Try and find the demo device and select that by default
 251                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 252                         if (strcmp(sdi->driver->name, "demo") == 0) {
 253                                 selected_device = sdi;
 254                         }
 255         }
 256
 257         if (selected_device) {
 258                 _sampling_bar->set_selected_device(selected_device);
 259                 _session.set_device(selected_device);
 260         }
 261 }
 262
 263 void MainWindow::load_file(QString file_name)
 264 {
 265         const QString errorMessage(
 266                 QString("Failed to load file %1").arg(file_name));
 267         const QString infoMessage;
 268         _session.load_file(file_name.toStdString(),
 269                 boost::bind(&MainWindow::session_error, this,
 270                         errorMessage, infoMessage));
 271 }
 272
 273 void MainWindow::show_session_error(
 274         const QString text, const QString info_text)
 275 {
 276         QMessageBox msg(this);
 277         msg.setText(text);
 278         msg.setInformativeText(info_text);
 279         msg.setStandardButtons(QMessageBox::Ok);
 280         msg.setIcon(QMessageBox::Warning);
 281         msg.exec();
 282 }
 283
 284 void MainWindow::on_actionOpen_triggered()
 285 {
 286         // Enumerate the file formats
 287         QString filters(tr("Sigrok Sessions (*.sr)"));
 288         filters.append(tr(";;All Files (*.*)"));
 289
 290         // Show the dialog
 291         const QString file_name = QFileDialog::getOpenFileName(
 292                 this, tr("Open File"), "", filters);
 293         if (!file_name.isEmpty())
 294                 load_file(file_name);
 295 }
 296
 297 void MainWindow::on_actionConnect_triggered()
 298 {
 299         // Stop any currently running capture session
 300         _session.stop_capture();
 301
 302         dialogs::Connect dlg(this, _device_manager);
 303
 304         // If the user selected a device, select it in the device list. Select the
 305         // current device otherwise.
 306         struct sr_dev_inst *const sdi = dlg.exec() ?
 307                 dlg.get_selected_device() : _session.get_device();
 308
 309         update_device_list(sdi);
 310 }
 311
 312 void MainWindow::on_actionQuit_triggered()
 313 {
 314         close();
 315 }
 316
 317 void MainWindow::on_actionViewZoomIn_triggered()
 318 {
 319         _view->zoom(1);
 320 }
 321
 322 void MainWindow::on_actionViewZoomOut_triggered()
 323 {
 324         _view->zoom(-1);
 325 }
 326
 327 void MainWindow::on_actionViewShowCursors_triggered()
 328 {
 329         assert(_view);
 330
 331         const bool show = !_view->cursors_shown();
 332         if(show)
 333                 _view->centre_cursors();
 334
 335         _view->show_cursors(show);
 336 }
 337
 338 void MainWindow::on_actionAbout_triggered()
 339 {
 340         dialogs::About dlg(this);
 341         dlg.exec();
 342 }
 343
 344 void MainWindow::device_selected()
 345 {
 346         _session.set_device(_sampling_bar->get_selected_device());
 347 }
 348
 349 void MainWindow::run_stop()
 350 {
 351         switch(_session.get_capture_state()) {
 352         case SigSession::Stopped:
 353                 _session.start_capture(_sampling_bar->get_record_length(),
 354                         boost::bind(&MainWindow::session_error, this,
 355                                 QString("Capture failed"), _1));
 356                 break;
 357
 358         case SigSession::Running:
 359                 _session.stop_capture();
 360                 break;
 361         }
 362 }
 363
 364 void MainWindow::capture_state_changed(int state)
 365 {
 366         _sampling_bar->set_sampling(state != SigSession::Stopped);
 367 }
 368
 369 void MainWindow::view_selection_changed()
 370 {
 371         assert(_context_bar);
 372
 373         const list<weak_ptr<pv::view::SelectableItem> > items(
 374                 _view->selected_items());
 375         _context_bar->set_selected_items(items);
 376 }
 377
 378 } // namespace pv