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/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         _decoders_add_mapper(this)
  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         _menu_bar = new QMenuBar(this);
 105         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
 106
 107         // File Menu
 108         _menu_file = new QMenu(_menu_bar);
 109         _menu_file->setTitle(QApplication::translate(
 110                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 111
 112         _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         _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         _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         _menu_view = new QMenu(_menu_bar);
 142         _menu_view->setTitle(QApplication::translate(
 143                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 144
 145         _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         _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         _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         _menu_decoders = new QMenu(_menu_bar);
 177         _menu_decoders->setTitle(QApplication::translate(
 178                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 179
 180         _menu_decoders_add = new QMenu(_menu_decoders);
 181         _menu_decoders_add->setTitle(QApplication::translate(
 182                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 183         setup_add_decoders(_menu_decoders_add);
 184
 185         _menu_decoders->addMenu(_menu_decoders_add);
 186         connect(&_decoders_add_mapper, SIGNAL(mapped(QObject*)),
 187                 this, SLOT(add_decoder(QObject*)));
 188
 189         // Help Menu
 190         _menu_help = new QMenu(_menu_bar);
 191         _menu_help->setTitle(QApplication::translate(
 192                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 193
 194         _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         _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 gint MainWindow::decoder_name_cmp(gconstpointer a, gconstpointer b)
 290 {
 291         return strcmp(((const srd_decoder*)a)->name,
 292                 ((const srd_decoder*)b)->name);
 293 }
 294
 295 void MainWindow::setup_add_decoders(QMenu *parent)
 296 {
 297         GSList *l = g_slist_sort(g_slist_copy(
 298                 (GSList*)srd_decoder_list()), decoder_name_cmp);
 299         for(; l; l = l->next)
 300         {
 301                 QAction *const action = parent->addAction(QString(
 302                         ((srd_decoder*)l->data)->name));
 303                 action->setData(qVariantFromValue(l->data));
 304                 _decoders_add_mapper.setMapping(action, action);
 305                 connect(action, SIGNAL(triggered()),
 306                         &_decoders_add_mapper, SLOT(map()));
 307         }
 308         g_slist_free(l);
 309 }
 310
 311 void MainWindow::on_actionOpen_triggered()
 312 {
 313         // Enumerate the file formats
 314         QString filters(tr("Sigrok Sessions (*.sr)"));
 315         filters.append(tr(";;All Files (*.*)"));
 316
 317         // Show the dialog
 318         const QString file_name = QFileDialog::getOpenFileName(
 319                 this, tr("Open File"), "", filters);
 320         if (!file_name.isEmpty())
 321                 load_file(file_name);
 322 }
 323
 324 void MainWindow::on_actionConnect_triggered()
 325 {
 326         // Stop any currently running capture session
 327         _session.stop_capture();
 328
 329         dialogs::Connect dlg(this, _device_manager);
 330
 331         // If the user selected a device, select it in the device list. Select the
 332         // current device otherwise.
 333         struct sr_dev_inst *const sdi = dlg.exec() ?
 334                 dlg.get_selected_device() : _session.get_device();
 335
 336         update_device_list(sdi);
 337 }
 338
 339 void MainWindow::on_actionQuit_triggered()
 340 {
 341         close();
 342 }
 343
 344 void MainWindow::on_actionViewZoomIn_triggered()
 345 {
 346         _view->zoom(1);
 347 }
 348
 349 void MainWindow::on_actionViewZoomOut_triggered()
 350 {
 351         _view->zoom(-1);
 352 }
 353
 354 void MainWindow::on_actionViewShowCursors_triggered()
 355 {
 356         assert(_view);
 357
 358         const bool show = !_view->cursors_shown();
 359         if(show)
 360                 _view->centre_cursors();
 361
 362         _view->show_cursors(show);
 363 }
 364
 365 void MainWindow::on_actionAbout_triggered()
 366 {
 367         dialogs::About dlg(this);
 368         dlg.exec();
 369 }
 370
 371 void MainWindow::add_decoder(QObject *action)
 372 {
 373         assert(action);
 374         srd_decoder *const dec =
 375                 (srd_decoder*)((QAction*)action)->data().value<void*>();
 376         assert(dec);
 377
 378         const std::vector< boost::shared_ptr<view::Signal> > &sigs =
 379                 _session.get_signals();
 380
 381         GHashTable *const options = g_hash_table_new_full(g_str_hash,
 382                 g_str_equal, g_free, (GDestroyNotify)g_variant_unref);
 383
 384         dialogs::Decoder dlg(this, dec, sigs, options);
 385         if(dlg.exec() != QDialog::Accepted) {
 386                 g_hash_table_destroy(options);
 387                 return;
 388         }
 389
 390         _session.add_decoder(dec, dlg.get_probes(), options);
 391 }
 392
 393 void MainWindow::run_stop()
 394 {
 395         switch(_session.get_capture_state()) {
 396         case SigSession::Stopped:
 397                 _session.start_capture(_sampling_bar->get_record_length(),
 398                         boost::bind(&MainWindow::session_error, this,
 399                                 QString("Capture failed"), _1));
 400                 break;
 401
 402         case SigSession::AwaitingTrigger:
 403         case SigSession::Running:
 404                 _session.stop_capture();
 405                 break;
 406         }
 407 }
 408
 409 void MainWindow::capture_state_changed(int state)
 410 {
 411         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 412 }
 413
 414 } // namespace pv