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/contextbar.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         connect(_view, SIGNAL(selection_changed()), this,
 101                 SLOT(view_selection_changed()));
 102
 103         _vertical_layout->addWidget(_view);
 104
 105         // Setup the menu bar
 106         _menu_bar = new QMenuBar(this);
 107         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
 108
 109         // File Menu
 110         _menu_file = new QMenu(_menu_bar);
 111         _menu_file->setTitle(QApplication::translate(
 112                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 113
 114         _action_open = new QAction(this);
 115         _action_open->setText(QApplication::translate(
 116                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 117         _action_open->setIcon(QIcon::fromTheme("document-open",
 118                 QIcon(":/icons/document-open.png")));
 119         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
 120         _menu_file->addAction(_action_open);
 121
 122         _menu_file->addSeparator();
 123
 124         _action_connect = new QAction(this);
 125         _action_connect->setText(QApplication::translate(
 126                 "MainWindow", "&Connect to Device...", 0,
 127                 QApplication::UnicodeUTF8));
 128         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 129         _menu_file->addAction(_action_connect);
 130
 131         _menu_file->addSeparator();
 132
 133         _action_quit = new QAction(this);
 134         _action_quit->setText(QApplication::translate(
 135                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 136         _action_quit->setIcon(QIcon::fromTheme("application-exit",
 137                 QIcon(":/icons/application-exit.png")));
 138         _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 139         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 140         _menu_file->addAction(_action_quit);
 141
 142         // View Menu
 143         _menu_view = new QMenu(_menu_bar);
 144         _menu_view->setTitle(QApplication::translate(
 145                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 146
 147         _action_view_zoom_in = new QAction(this);
 148         _action_view_zoom_in->setText(QApplication::translate(
 149                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 150         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 151                 QIcon(":/icons/zoom-in.png")));
 152         _action_view_zoom_in->setObjectName(
 153                 QString::fromUtf8("actionViewZoomIn"));
 154         _menu_view->addAction(_action_view_zoom_in);
 155
 156         _action_view_zoom_out = new QAction(this);
 157         _action_view_zoom_out->setText(QApplication::translate(
 158                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 159         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 160                 QIcon(":/icons/zoom-out.png")));
 161         _action_view_zoom_out->setObjectName(
 162                 QString::fromUtf8("actionViewZoomOut"));
 163         _menu_view->addAction(_action_view_zoom_out);
 164
 165         _menu_view->addSeparator();
 166
 167         _action_view_show_cursors = new QAction(this);
 168         _action_view_show_cursors->setCheckable(true);
 169         _action_view_show_cursors->setChecked(_view->cursors_shown());
 170         _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 171         _action_view_show_cursors->setObjectName(
 172                 QString::fromUtf8("actionViewShowCursors"));
 173         _action_view_show_cursors->setText(QApplication::translate(
 174                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 175         _menu_view->addAction(_action_view_show_cursors);
 176
 177         // Decoders Menu
 178         _menu_decoders = new QMenu(_menu_bar);
 179         _menu_decoders->setTitle(QApplication::translate(
 180                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 181
 182         _menu_decoders_add = new QMenu(_menu_decoders);
 183         _menu_decoders_add->setTitle(QApplication::translate(
 184                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 185         setup_add_decoders(_menu_decoders_add);
 186
 187         _menu_decoders->addMenu(_menu_decoders_add);
 188         connect(&_decoders_add_mapper, SIGNAL(mapped(QObject*)),
 189                 this, SLOT(add_decoder(QObject*)));
 190
 191         // Help Menu
 192         _menu_help = new QMenu(_menu_bar);
 193         _menu_help->setTitle(QApplication::translate(
 194                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 195
 196         _action_about = new QAction(this);
 197         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 198         _action_about->setText(QApplication::translate(
 199                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 200         _menu_help->addAction(_action_about);
 201
 202         _menu_bar->addAction(_menu_file->menuAction());
 203         _menu_bar->addAction(_menu_view->menuAction());
 204         _menu_bar->addAction(_menu_decoders->menuAction());
 205         _menu_bar->addAction(_menu_help->menuAction());
 206
 207         setMenuBar(_menu_bar);
 208         QMetaObject::connectSlotsByName(this);
 209
 210         // Setup the toolbar
 211         _toolbar = new QToolBar(tr("Main Toolbar"), this);
 212         _toolbar->addAction(_action_open);
 213         _toolbar->addSeparator();
 214         _toolbar->addAction(_action_view_zoom_in);
 215         _toolbar->addAction(_action_view_zoom_out);
 216         addToolBar(_toolbar);
 217
 218         // Setup the sampling bar
 219         _sampling_bar = new toolbars::SamplingBar(this);
 220
 221         // Populate the device list and select the initially selected device
 222         update_device_list();
 223
 224         connect(_sampling_bar, SIGNAL(device_selected()), this,
 225                 SLOT(device_selected()));
 226         connect(_sampling_bar, SIGNAL(run_stop()), this,
 227                 SLOT(run_stop()));
 228         addToolBar(_sampling_bar);
 229
 230         // Setup the context bar
 231         _context_bar = new toolbars::ContextBar(this);
 232         addToolBar(_context_bar);
 233
 234         // Set the title
 235         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 236                 QApplication::UnicodeUTF8));
 237
 238         // Setup _session events
 239         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 240                 SLOT(capture_state_changed(int)));
 241
 242 }
 243
 244 void MainWindow::session_error(
 245         const QString text, const QString info_text)
 246 {
 247         QMetaObject::invokeMethod(this, "show_session_error",
 248                 Qt::QueuedConnection, Q_ARG(QString, text),
 249                 Q_ARG(QString, info_text));
 250 }
 251
 252 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 253 {
 254         assert(_sampling_bar);
 255
 256         const list<sr_dev_inst*> &devices = _device_manager.devices();
 257         _sampling_bar->set_device_list(devices);
 258
 259         if (!selected_device && !devices.empty()) {
 260                 // Fall back to the first device in the list.
 261                 selected_device = devices.front();
 262
 263                 // Try and find the demo device and select that by default
 264                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 265                         if (strcmp(sdi->driver->name, "demo") == 0) {
 266                                 selected_device = sdi;
 267                         }
 268         }
 269
 270         if (selected_device) {
 271                 _sampling_bar->set_selected_device(selected_device);
 272                 _session.set_device(selected_device);
 273         }
 274 }
 275
 276 void MainWindow::load_file(QString file_name)
 277 {
 278         const QString errorMessage(
 279                 QString("Failed to load file %1").arg(file_name));
 280         const QString infoMessage;
 281         _session.load_file(file_name.toStdString(),
 282                 boost::bind(&MainWindow::session_error, this,
 283                         errorMessage, infoMessage));
 284 }
 285
 286 void MainWindow::show_session_error(
 287         const QString text, const QString info_text)
 288 {
 289         QMessageBox msg(this);
 290         msg.setText(text);
 291         msg.setInformativeText(info_text);
 292         msg.setStandardButtons(QMessageBox::Ok);
 293         msg.setIcon(QMessageBox::Warning);
 294         msg.exec();
 295 }
 296
 297 gint MainWindow::decoder_name_cmp(gconstpointer a, gconstpointer b)
 298 {
 299         return strcmp(((const srd_decoder*)a)->name,
 300                 ((const srd_decoder*)b)->name);
 301 }
 302
 303 void MainWindow::setup_add_decoders(QMenu *parent)
 304 {
 305         GSList *l = g_slist_sort(g_slist_copy(
 306                 (GSList*)srd_decoder_list()), decoder_name_cmp);
 307         while ((l = l->next)) {
 308                 QAction *const action = parent->addAction(QString(
 309                         ((srd_decoder*)l->data)->name));
 310                 action->setData(qVariantFromValue(l->data));
 311                 _decoders_add_mapper.setMapping(action, action);
 312                 connect(action, SIGNAL(triggered()),
 313                         &_decoders_add_mapper, SLOT(map()));
 314         }
 315         g_slist_free(l);
 316 }
 317
 318 void MainWindow::on_actionOpen_triggered()
 319 {
 320         // Enumerate the file formats
 321         QString filters(tr("Sigrok Sessions (*.sr)"));
 322         filters.append(tr(";;All Files (*.*)"));
 323
 324         // Show the dialog
 325         const QString file_name = QFileDialog::getOpenFileName(
 326                 this, tr("Open File"), "", filters);
 327         if (!file_name.isEmpty())
 328                 load_file(file_name);
 329 }
 330
 331 void MainWindow::on_actionConnect_triggered()
 332 {
 333         // Stop any currently running capture session
 334         _session.stop_capture();
 335
 336         dialogs::Connect dlg(this, _device_manager);
 337
 338         // If the user selected a device, select it in the device list. Select the
 339         // current device otherwise.
 340         struct sr_dev_inst *const sdi = dlg.exec() ?
 341                 dlg.get_selected_device() : _session.get_device();
 342
 343         update_device_list(sdi);
 344 }
 345
 346 void MainWindow::on_actionQuit_triggered()
 347 {
 348         close();
 349 }
 350
 351 void MainWindow::on_actionViewZoomIn_triggered()
 352 {
 353         _view->zoom(1);
 354 }
 355
 356 void MainWindow::on_actionViewZoomOut_triggered()
 357 {
 358         _view->zoom(-1);
 359 }
 360
 361 void MainWindow::on_actionViewShowCursors_triggered()
 362 {
 363         assert(_view);
 364
 365         const bool show = !_view->cursors_shown();
 366         if(show)
 367                 _view->centre_cursors();
 368
 369         _view->show_cursors(show);
 370 }
 371
 372 void MainWindow::on_actionAbout_triggered()
 373 {
 374         dialogs::About dlg(this);
 375         dlg.exec();
 376 }
 377
 378 void MainWindow::device_selected()
 379 {
 380         _session.set_device(_sampling_bar->get_selected_device());
 381 }
 382
 383 void MainWindow::add_decoder(QObject *action)
 384 {
 385         (void)action;
 386 }
 387
 388 void MainWindow::run_stop()
 389 {
 390         switch(_session.get_capture_state()) {
 391         case SigSession::Stopped:
 392                 _session.start_capture(_sampling_bar->get_record_length(),
 393                         boost::bind(&MainWindow::session_error, this,
 394                                 QString("Capture failed"), _1));
 395                 break;
 396
 397         case SigSession::AwaitingTrigger:
 398         case SigSession::Running:
 399                 _session.stop_capture();
 400                 break;
 401         }
 402 }
 403
 404 void MainWindow::capture_state_changed(int state)
 405 {
 406         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 407 }
 408
 409 void MainWindow::view_selection_changed()
 410 {
 411         assert(_context_bar);
 412
 413         const list<weak_ptr<pv::view::SelectableItem> > items(
 414                 _view->selected_items());
 415         _context_bar->set_selected_items(items);
 416 }
 417
 418 } // namespace pv