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 "dialogs/decoder.h"
  43 #include "toolbars/contextbar.h"
  44 #include "toolbars/samplingbar.h"
  45 #include "view/view.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         _decoders_add_mapper(this)
  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         // Decoders Menu
 179         _menu_decoders = new QMenu(_menu_bar);
 180         _menu_decoders->setTitle(QApplication::translate(
 181                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 182
 183         _menu_decoders_add = new QMenu(_menu_decoders);
 184         _menu_decoders_add->setTitle(QApplication::translate(
 185                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 186         setup_add_decoders(_menu_decoders_add);
 187
 188         _menu_decoders->addMenu(_menu_decoders_add);
 189         connect(&_decoders_add_mapper, SIGNAL(mapped(QObject*)),
 190                 this, SLOT(add_decoder(QObject*)));
 191
 192         // Help Menu
 193         _menu_help = new QMenu(_menu_bar);
 194         _menu_help->setTitle(QApplication::translate(
 195                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 196
 197         _action_about = new QAction(this);
 198         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 199         _action_about->setText(QApplication::translate(
 200                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 201         _menu_help->addAction(_action_about);
 202
 203         _menu_bar->addAction(_menu_file->menuAction());
 204         _menu_bar->addAction(_menu_view->menuAction());
 205         _menu_bar->addAction(_menu_decoders->menuAction());
 206         _menu_bar->addAction(_menu_help->menuAction());
 207
 208         setMenuBar(_menu_bar);
 209         QMetaObject::connectSlotsByName(this);
 210
 211         // Setup the toolbar
 212         _toolbar = new QToolBar(tr("Main Toolbar"), this);
 213         _toolbar->addAction(_action_open);
 214         _toolbar->addSeparator();
 215         _toolbar->addAction(_action_view_zoom_in);
 216         _toolbar->addAction(_action_view_zoom_out);
 217         addToolBar(_toolbar);
 218
 219         // Setup the sampling bar
 220         _sampling_bar = new toolbars::SamplingBar(this);
 221
 222         // Populate the device list and select the initially selected device
 223         update_device_list();
 224
 225         connect(_sampling_bar, SIGNAL(device_selected()), this,
 226                 SLOT(device_selected()));
 227         connect(_sampling_bar, SIGNAL(run_stop()), this,
 228                 SLOT(run_stop()));
 229         addToolBar(_sampling_bar);
 230
 231         // Setup the context bar
 232         _context_bar = new toolbars::ContextBar(this);
 233         addToolBar(_context_bar);
 234
 235         // Set the title
 236         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 237                 QApplication::UnicodeUTF8));
 238
 239         // Setup _session events
 240         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 241                 SLOT(capture_state_changed(int)));
 242
 243 }
 244
 245 void MainWindow::session_error(
 246         const QString text, const QString info_text)
 247 {
 248         QMetaObject::invokeMethod(this, "show_session_error",
 249                 Qt::QueuedConnection, Q_ARG(QString, text),
 250                 Q_ARG(QString, info_text));
 251 }
 252
 253 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 254 {
 255         assert(_sampling_bar);
 256
 257         const list<sr_dev_inst*> &devices = _device_manager.devices();
 258         _sampling_bar->set_device_list(devices);
 259
 260         if (!selected_device && !devices.empty()) {
 261                 // Fall back to the first device in the list.
 262                 selected_device = devices.front();
 263
 264                 // Try and find the demo device and select that by default
 265                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 266                         if (strcmp(sdi->driver->name, "demo") == 0) {
 267                                 selected_device = sdi;
 268                         }
 269         }
 270
 271         if (selected_device) {
 272                 _sampling_bar->set_selected_device(selected_device);
 273                 _session.set_device(selected_device);
 274         }
 275 }
 276
 277 void MainWindow::load_file(QString file_name)
 278 {
 279         const QString errorMessage(
 280                 QString("Failed to load file %1").arg(file_name));
 281         const QString infoMessage;
 282         _session.load_file(file_name.toStdString(),
 283                 boost::bind(&MainWindow::session_error, this,
 284                         errorMessage, infoMessage));
 285 }
 286
 287 void MainWindow::show_session_error(
 288         const QString text, const QString info_text)
 289 {
 290         QMessageBox msg(this);
 291         msg.setText(text);
 292         msg.setInformativeText(info_text);
 293         msg.setStandardButtons(QMessageBox::Ok);
 294         msg.setIcon(QMessageBox::Warning);
 295         msg.exec();
 296 }
 297
 298 gint MainWindow::decoder_name_cmp(gconstpointer a, gconstpointer b)
 299 {
 300         return strcmp(((const srd_decoder*)a)->name,
 301                 ((const srd_decoder*)b)->name);
 302 }
 303
 304 void MainWindow::setup_add_decoders(QMenu *parent)
 305 {
 306         GSList *l = g_slist_sort(g_slist_copy(
 307                 (GSList*)srd_decoder_list()), decoder_name_cmp);
 308         while ((l = l->next)) {
 309                 QAction *const action = parent->addAction(QString(
 310                         ((srd_decoder*)l->data)->name));
 311                 action->setData(qVariantFromValue(l->data));
 312                 _decoders_add_mapper.setMapping(action, action);
 313                 connect(action, SIGNAL(triggered()),
 314                         &_decoders_add_mapper, SLOT(map()));
 315         }
 316         g_slist_free(l);
 317 }
 318
 319 void MainWindow::on_actionOpen_triggered()
 320 {
 321         // Enumerate the file formats
 322         QString filters(tr("Sigrok Sessions (*.sr)"));
 323         filters.append(tr(";;All Files (*.*)"));
 324
 325         // Show the dialog
 326         const QString file_name = QFileDialog::getOpenFileName(
 327                 this, tr("Open File"), "", filters);
 328         if (!file_name.isEmpty())
 329                 load_file(file_name);
 330 }
 331
 332 void MainWindow::on_actionConnect_triggered()
 333 {
 334         // Stop any currently running capture session
 335         _session.stop_capture();
 336
 337         dialogs::Connect dlg(this, _device_manager);
 338
 339         // If the user selected a device, select it in the device list. Select the
 340         // current device otherwise.
 341         struct sr_dev_inst *const sdi = dlg.exec() ?
 342                 dlg.get_selected_device() : _session.get_device();
 343
 344         update_device_list(sdi);
 345 }
 346
 347 void MainWindow::on_actionQuit_triggered()
 348 {
 349         close();
 350 }
 351
 352 void MainWindow::on_actionViewZoomIn_triggered()
 353 {
 354         _view->zoom(1);
 355 }
 356
 357 void MainWindow::on_actionViewZoomOut_triggered()
 358 {
 359         _view->zoom(-1);
 360 }
 361
 362 void MainWindow::on_actionViewShowCursors_triggered()
 363 {
 364         assert(_view);
 365
 366         const bool show = !_view->cursors_shown();
 367         if(show)
 368                 _view->centre_cursors();
 369
 370         _view->show_cursors(show);
 371 }
 372
 373 void MainWindow::on_actionAbout_triggered()
 374 {
 375         dialogs::About dlg(this);
 376         dlg.exec();
 377 }
 378
 379 void MainWindow::device_selected()
 380 {
 381         _session.set_device(_sampling_bar->get_selected_device());
 382 }
 383
 384 void MainWindow::add_decoder(QObject *action)
 385 {
 386         assert(action);
 387         srd_decoder *const dec =
 388                 (srd_decoder*)((QAction*)action)->data().value<void*>();
 389         assert(dec);
 390
 391         dialogs::Decoder dlg(this, dec);
 392         dlg.exec();
 393 }
 394
 395 void MainWindow::run_stop()
 396 {
 397         switch(_session.get_capture_state()) {
 398         case SigSession::Stopped:
 399                 _session.start_capture(_sampling_bar->get_record_length(),
 400                         boost::bind(&MainWindow::session_error, this,
 401                                 QString("Capture failed"), _1));
 402                 break;
 403
 404         case SigSession::AwaitingTrigger:
 405         case SigSession::Running:
 406                 _session.stop_capture();
 407                 break;
 408         }
 409 }
 410
 411 void MainWindow::capture_state_changed(int state)
 412 {
 413         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 414 }
 415
 416 void MainWindow::view_selection_changed()
 417 {
 418         assert(_context_bar);
 419
 420         const list<weak_ptr<pv::view::SelectableItem> > items(
 421                 _view->selected_items());
 422         _context_bar->set_selected_items(items);
 423 }
 424
 425 } // namespace pv