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