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 #ifdef ENABLE_DECODE
  22 #include <libsigrokdecode/libsigrokdecode.h>
  23 #endif
  24
  25 #include <boost/bind.hpp>
  26 #include <boost/foreach.hpp>
  27
  28 #include <QAction>
  29 #include <QApplication>
  30 #include <QButtonGroup>
  31 #include <QFileDialog>
  32 #include <QMessageBox>
  33 #include <QMenu>
  34 #include <QMenuBar>
  35 #include <QStatusBar>
  36 #include <QVBoxLayout>
  37 #include <QWidget>
  38
  39 #include "mainwindow.h"
  40
  41 #include "devicemanager.h"
  42 #include "dialogs/about.h"
  43 #include "dialogs/connect.h"
  44 #include "toolbars/samplingbar.h"
  45 #include "view/logicsignal.h"
  46 #include "view/view.h"
  47 #ifdef ENABLE_DECODE
  48 #include "widgets/decodermenu.h"
  49 #endif
  50
  51 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  52 #define __STDC_FORMAT_MACROS
  53 #include <inttypes.h>
  54 #include <stdint.h>
  55 #include <stdarg.h>
  56 #include <glib.h>
  57 #include <libsigrok/libsigrok.h>
  58
  59 using std::list;
  60
  61 namespace pv {
  62
  63 namespace view {
  64 class SelectableItem;
  65 }
  66
  67 MainWindow::MainWindow(DeviceManager &device_manager,
  68         const char *open_file_name,
  69         QWidget *parent) :
  70         QMainWindow(parent),
  71         _device_manager(device_manager),
  72         _session(device_manager)
  73 {
  74         setup_ui();
  75         if (open_file_name) {
  76                 const QString s(QString::fromUtf8(open_file_name));
  77                 QMetaObject::invokeMethod(this, "load_file",
  78                         Qt::QueuedConnection,
  79                         Q_ARG(QString, s));
  80         }
  81 }
  82
  83 void MainWindow::setup_ui()
  84 {
  85         setObjectName(QString::fromUtf8("MainWindow"));
  86
  87         resize(1024, 768);
  88
  89         // Set the window icon
  90         QIcon icon;
  91         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  92                 QSize(), QIcon::Normal, QIcon::Off);
  93         setWindowIcon(icon);
  94
  95         // Setup the central widget
  96         _central_widget = new QWidget(this);
  97         _vertical_layout = new QVBoxLayout(_central_widget);
  98         _vertical_layout->setSpacing(6);
  99         _vertical_layout->setContentsMargins(0, 0, 0, 0);
 100         setCentralWidget(_central_widget);
 101
 102         _view = new pv::view::View(_session, this);
 103
 104         _vertical_layout->addWidget(_view);
 105
 106         // Setup the menu bar
 107         QMenuBar *const menu_bar = new QMenuBar(this);
 108         menu_bar->setGeometry(QRect(0, 0, 400, 25));
 109
 110         // File Menu
 111         QMenu *const menu_file = new QMenu;
 112         menu_file->setTitle(QApplication::translate(
 113                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 114
 115         QAction *const 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         QAction *const 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         QAction *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         QMenu *menu_view = new QMenu;
 145         menu_view->setTitle(QApplication::translate(
 146                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 147
 148         QAction *const 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         QAction *const 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         QAction *const action_view_zoom_fit = new QAction(this);
 167         action_view_zoom_fit->setText(QApplication::translate(
 168                 "MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
 169         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 170                 QIcon(":/icons/zoom-fit.png")));
 171         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 172         action_view_zoom_fit->setObjectName(
 173                 QString::fromUtf8("actionViewZoomFit"));
 174         menu_view->addAction(action_view_zoom_fit);
 175
 176         QAction *const action_view_zoom_one_to_one = new QAction(this);
 177         action_view_zoom_one_to_one->setText(QApplication::translate(
 178                 "MainWindow", "Zoom to &One-to-One", 0,
 179                         QApplication::UnicodeUTF8));
 180         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
 181                 QIcon(":/icons/zoom-original.png")));
 182         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
 183         action_view_zoom_one_to_one->setObjectName(
 184                 QString::fromUtf8("actionViewZoomOneToOne"));
 185         menu_view->addAction(action_view_zoom_one_to_one);
 186
 187         menu_view->addSeparator();
 188
 189         QAction *action_view_show_cursors = new QAction(this);
 190         action_view_show_cursors->setCheckable(true);
 191         action_view_show_cursors->setChecked(_view->cursors_shown());
 192         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 193         action_view_show_cursors->setObjectName(
 194                 QString::fromUtf8("actionViewShowCursors"));
 195         action_view_show_cursors->setText(QApplication::translate(
 196                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 197         menu_view->addAction(action_view_show_cursors);
 198
 199         // Decoders Menu
 200 #ifdef ENABLE_DECODE
 201         QMenu *const menu_decoders = new QMenu;
 202         menu_decoders->setTitle(QApplication::translate(
 203                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 204
 205         pv::widgets::DecoderMenu *const menu_decoders_add =
 206                 new pv::widgets::DecoderMenu(menu_decoders);
 207         menu_decoders_add->setTitle(QApplication::translate(
 208                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 209         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 210                 this, SLOT(add_decoder(srd_decoder*)));
 211
 212         menu_decoders->addMenu(menu_decoders_add);
 213 #endif
 214
 215         // Help Menu
 216         QMenu *const menu_help = new QMenu;
 217         menu_help->setTitle(QApplication::translate(
 218                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 219
 220         QAction *const action_about = new QAction(this);
 221         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 222         action_about->setText(QApplication::translate(
 223                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 224         menu_help->addAction(action_about);
 225
 226         menu_bar->addAction(menu_file->menuAction());
 227         menu_bar->addAction(menu_view->menuAction());
 228 #ifdef ENABLE_DECODE
 229         menu_bar->addAction(menu_decoders->menuAction());
 230 #endif
 231         menu_bar->addAction(menu_help->menuAction());
 232
 233         setMenuBar(menu_bar);
 234         QMetaObject::connectSlotsByName(this);
 235
 236         // Setup the toolbar
 237         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 238         toolbar->addAction(action_open);
 239         toolbar->addSeparator();
 240         toolbar->addAction(action_view_zoom_in);
 241         toolbar->addAction(action_view_zoom_out);
 242         toolbar->addAction(action_view_zoom_fit);
 243         addToolBar(toolbar);
 244
 245         // Setup the sampling bar
 246         _sampling_bar = new toolbars::SamplingBar(_session, this);
 247
 248         // Populate the device list and select the initially selected device
 249         update_device_list();
 250
 251         connect(_sampling_bar, SIGNAL(run_stop()), this,
 252                 SLOT(run_stop()));
 253         addToolBar(_sampling_bar);
 254
 255         // Set the title
 256         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 257                 QApplication::UnicodeUTF8));
 258
 259         // Setup _session events
 260         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 261                 SLOT(capture_state_changed(int)));
 262
 263 }
 264
 265 void MainWindow::session_error(
 266         const QString text, const QString info_text)
 267 {
 268         QMetaObject::invokeMethod(this, "show_session_error",
 269                 Qt::QueuedConnection, Q_ARG(QString, text),
 270                 Q_ARG(QString, info_text));
 271 }
 272
 273 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 274 {
 275         assert(_sampling_bar);
 276
 277         const list<sr_dev_inst*> &devices = _device_manager.devices();
 278         _sampling_bar->set_device_list(devices);
 279
 280         if (!selected_device && !devices.empty()) {
 281                 // Fall back to the first device in the list.
 282                 selected_device = devices.front();
 283
 284                 // Try and find the demo device and select that by default
 285                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 286                         if (strcmp(sdi->driver->name, "demo") == 0) {
 287                                 selected_device = sdi;
 288                         }
 289         }
 290
 291         if (selected_device) {
 292                 _sampling_bar->set_selected_device(selected_device);
 293                 _session.set_device(selected_device);
 294         }
 295 }
 296
 297 void MainWindow::load_file(QString file_name)
 298 {
 299         const QString errorMessage(
 300                 QString("Failed to load file %1").arg(file_name));
 301         const QString infoMessage;
 302         _session.load_file(file_name.toStdString(),
 303                 boost::bind(&MainWindow::session_error, this,
 304                         errorMessage, infoMessage));
 305 }
 306
 307 void MainWindow::show_session_error(
 308         const QString text, const QString info_text)
 309 {
 310         QMessageBox msg(this);
 311         msg.setText(text);
 312         msg.setInformativeText(info_text);
 313         msg.setStandardButtons(QMessageBox::Ok);
 314         msg.setIcon(QMessageBox::Warning);
 315         msg.exec();
 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_actionViewZoomFit_triggered()
 362 {
 363         _view->zoom_fit();
 364 }
 365
 366 void MainWindow::on_actionViewZoomOneToOne_triggered()
 367 {
 368         _view->zoom_one_to_one();
 369 }
 370
 371 void MainWindow::on_actionViewShowCursors_triggered()
 372 {
 373         assert(_view);
 374
 375         const bool show = !_view->cursors_shown();
 376         if(show)
 377                 _view->centre_cursors();
 378
 379         _view->show_cursors(show);
 380 }
 381
 382 void MainWindow::on_actionAbout_triggered()
 383 {
 384         dialogs::About dlg(this);
 385         dlg.exec();
 386 }
 387
 388 void MainWindow::add_decoder(srd_decoder *decoder)
 389 {
 390 #ifdef ENABLE_DECODE
 391         assert(decoder);
 392         _session.add_decoder(decoder);
 393 #else
 394         (void)decoder;
 395 #endif
 396 }
 397
 398 void MainWindow::run_stop()
 399 {
 400         switch(_session.get_capture_state()) {
 401         case SigSession::Stopped:
 402                 _session.start_capture(_sampling_bar->get_record_length(),
 403                         boost::bind(&MainWindow::session_error, this,
 404                                 QString("Capture failed"), _1));
 405                 break;
 406
 407         case SigSession::AwaitingTrigger:
 408         case SigSession::Running:
 409                 _session.stop_capture();
 410                 break;
 411         }
 412 }
 413
 414 void MainWindow::capture_state_changed(int state)
 415 {
 416         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 417 }
 418
 419 } // namespace pv