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