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