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