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 namespace boost;
  60 using namespace std;
  61
  62 namespace pv {
  63
  64 namespace view {
  65 class SelectableItem;
  66 }
  67
  68 MainWindow::MainWindow(DeviceManager &device_manager,
  69         const char *open_file_name,
  70         QWidget *parent) :
  71         QMainWindow(parent),
  72         _device_manager(device_manager),
  73         _session(device_manager)
  74 {
  75         setup_ui();
  76         if (open_file_name) {
  77                 const QString s(QString::fromUtf8(open_file_name));
  78                 QMetaObject::invokeMethod(this, "load_file",
  79                         Qt::QueuedConnection,
  80                         Q_ARG(QString, s));
  81         }
  82 }
  83
  84 void MainWindow::setup_ui()
  85 {
  86         setObjectName(QString::fromUtf8("MainWindow"));
  87
  88         resize(1024, 768);
  89
  90         // Set the window icon
  91         QIcon icon;
  92         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  93                 QSize(), QIcon::Normal, QIcon::Off);
  94         setWindowIcon(icon);
  95
  96         // Setup the central widget
  97         _central_widget = new QWidget(this);
  98         _vertical_layout = new QVBoxLayout(_central_widget);
  99         _vertical_layout->setSpacing(6);
 100         _vertical_layout->setContentsMargins(0, 0, 0, 0);
 101         setCentralWidget(_central_widget);
 102
 103         _view = new pv::view::View(_session, this);
 104
 105         _vertical_layout->addWidget(_view);
 106
 107         // Setup the menu bar
 108         QMenuBar *const menu_bar = new QMenuBar(this);
 109         menu_bar->setGeometry(QRect(0, 0, 400, 25));
 110
 111         // File Menu
 112         QMenu *const menu_file = new QMenu;
 113         menu_file->setTitle(QApplication::translate(
 114                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 115
 116         QAction *const action_open = new QAction(this);
 117         action_open->setText(QApplication::translate(
 118                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 119         action_open->setIcon(QIcon::fromTheme("document-open",
 120                 QIcon(":/icons/document-open.png")));
 121         action_open->setObjectName(QString::fromUtf8("actionOpen"));
 122         menu_file->addAction(action_open);
 123
 124         menu_file->addSeparator();
 125
 126         QAction *const action_connect = new QAction(this);
 127         action_connect->setText(QApplication::translate(
 128                 "MainWindow", "&Connect to Device...", 0,
 129                 QApplication::UnicodeUTF8));
 130         action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 131         menu_file->addAction(action_connect);
 132
 133         menu_file->addSeparator();
 134
 135         QAction *action_quit = new QAction(this);
 136         action_quit->setText(QApplication::translate(
 137                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 138         action_quit->setIcon(QIcon::fromTheme("application-exit",
 139                 QIcon(":/icons/application-exit.png")));
 140         action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 141         action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 142         menu_file->addAction(action_quit);
 143
 144         // View Menu
 145         QMenu *menu_view = new QMenu;
 146         menu_view->setTitle(QApplication::translate(
 147                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 148
 149         QAction *const action_view_zoom_in = new QAction(this);
 150         action_view_zoom_in->setText(QApplication::translate(
 151                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 152         action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 153                 QIcon(":/icons/zoom-in.png")));
 154         action_view_zoom_in->setObjectName(
 155                 QString::fromUtf8("actionViewZoomIn"));
 156         menu_view->addAction(action_view_zoom_in);
 157
 158         QAction *const action_view_zoom_out = new QAction(this);
 159         action_view_zoom_out->setText(QApplication::translate(
 160                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 161         action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 162                 QIcon(":/icons/zoom-out.png")));
 163         action_view_zoom_out->setObjectName(
 164                 QString::fromUtf8("actionViewZoomOut"));
 165         menu_view->addAction(action_view_zoom_out);
 166
 167         QAction *const action_view_zoom_fit = new QAction(this);
 168         action_view_zoom_fit->setText(QApplication::translate(
 169                 "MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
 170         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 171                 QIcon(":/icons/zoom-fit.png")));
 172         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 173         action_view_zoom_fit->setObjectName(
 174                 QString::fromUtf8("actionViewZoomFit"));
 175         menu_view->addAction(action_view_zoom_fit);
 176
 177         QAction *const action_view_zoom_one_to_one = new QAction(this);
 178         action_view_zoom_one_to_one->setText(QApplication::translate(
 179                 "MainWindow", "Zoom to &One-to-One", 0,
 180                         QApplication::UnicodeUTF8));
 181         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
 182                 QIcon(":/icons/zoom-original.png")));
 183         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
 184         action_view_zoom_one_to_one->setObjectName(
 185                 QString::fromUtf8("actionViewZoomOneToOne"));
 186         menu_view->addAction(action_view_zoom_one_to_one);
 187
 188         menu_view->addSeparator();
 189
 190         QAction *action_view_show_cursors = new QAction(this);
 191         action_view_show_cursors->setCheckable(true);
 192         action_view_show_cursors->setChecked(_view->cursors_shown());
 193         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 194         action_view_show_cursors->setObjectName(
 195                 QString::fromUtf8("actionViewShowCursors"));
 196         action_view_show_cursors->setText(QApplication::translate(
 197                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 198         menu_view->addAction(action_view_show_cursors);
 199
 200         // Decoders Menu
 201 #ifdef ENABLE_DECODE
 202         QMenu *const menu_decoders = new QMenu;
 203         menu_decoders->setTitle(QApplication::translate(
 204                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 205
 206         pv::widgets::DecoderMenu *const menu_decoders_add =
 207                 new pv::widgets::DecoderMenu(menu_decoders);
 208         menu_decoders_add->setTitle(QApplication::translate(
 209                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 210         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 211                 this, SLOT(add_decoder(srd_decoder*)));
 212
 213         menu_decoders->addMenu(menu_decoders_add);
 214 #endif
 215
 216         // Help Menu
 217         QMenu *const menu_help = new QMenu;
 218         menu_help->setTitle(QApplication::translate(
 219                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 220
 221         QAction *const action_about = new QAction(this);
 222         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 223         action_about->setText(QApplication::translate(
 224                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 225         menu_help->addAction(action_about);
 226
 227         menu_bar->addAction(menu_file->menuAction());
 228         menu_bar->addAction(menu_view->menuAction());
 229 #ifdef ENABLE_DECODE
 230         menu_bar->addAction(menu_decoders->menuAction());
 231 #endif
 232         menu_bar->addAction(menu_help->menuAction());
 233
 234         setMenuBar(menu_bar);
 235         QMetaObject::connectSlotsByName(this);
 236
 237         // Setup the toolbar
 238         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 239         toolbar->addAction(action_open);
 240         toolbar->addSeparator();
 241         toolbar->addAction(action_view_zoom_in);
 242         toolbar->addAction(action_view_zoom_out);
 243         toolbar->addAction(action_view_zoom_fit);
 244         addToolBar(toolbar);
 245
 246         // Setup the sampling bar
 247         _sampling_bar = new toolbars::SamplingBar(_session, this);
 248
 249         // Populate the device list and select the initially selected device
 250         update_device_list();
 251
 252         connect(_sampling_bar, SIGNAL(run_stop()), this,
 253                 SLOT(run_stop()));
 254         addToolBar(_sampling_bar);
 255
 256         // Set the title
 257         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 258                 QApplication::UnicodeUTF8));
 259
 260         // Setup _session events
 261         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 262                 SLOT(capture_state_changed(int)));
 263
 264 }
 265
 266 void MainWindow::session_error(
 267         const QString text, const QString info_text)
 268 {
 269         QMetaObject::invokeMethod(this, "show_session_error",
 270                 Qt::QueuedConnection, Q_ARG(QString, text),
 271                 Q_ARG(QString, info_text));
 272 }
 273
 274 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 275 {
 276         assert(_sampling_bar);
 277
 278         const list<sr_dev_inst*> &devices = _device_manager.devices();
 279         _sampling_bar->set_device_list(devices);
 280
 281         if (!selected_device && !devices.empty()) {
 282                 // Fall back to the first device in the list.
 283                 selected_device = devices.front();
 284
 285                 // Try and find the demo device and select that by default
 286                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 287                         if (strcmp(sdi->driver->name, "demo") == 0) {
 288                                 selected_device = sdi;
 289                         }
 290         }
 291
 292         if (selected_device) {
 293                 _sampling_bar->set_selected_device(selected_device);
 294                 _session.set_device(selected_device);
 295         }
 296 }
 297
 298 void MainWindow::load_file(QString file_name)
 299 {
 300         const QString errorMessage(
 301                 QString("Failed to load file %1").arg(file_name));
 302         const QString infoMessage;
 303         _session.load_file(file_name.toStdString(),
 304                 boost::bind(&MainWindow::session_error, this,
 305                         errorMessage, infoMessage));
 306 }
 307
 308 void MainWindow::show_session_error(
 309         const QString text, const QString info_text)
 310 {
 311         QMessageBox msg(this);
 312         msg.setText(text);
 313         msg.setInformativeText(info_text);
 314         msg.setStandardButtons(QMessageBox::Ok);
 315         msg.setIcon(QMessageBox::Warning);
 316         msg.exec();
 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_actionViewZoomFit_triggered()
 363 {
 364         _view->zoom_fit();
 365 }
 366
 367 void MainWindow::on_actionViewZoomOneToOne_triggered()
 368 {
 369         _view->zoom_one_to_one();
 370 }
 371
 372 void MainWindow::on_actionViewShowCursors_triggered()
 373 {
 374         assert(_view);
 375
 376         const bool show = !_view->cursors_shown();
 377         if(show)
 378                 _view->centre_cursors();
 379
 380         _view->show_cursors(show);
 381 }
 382
 383 void MainWindow::on_actionAbout_triggered()
 384 {
 385         dialogs::About dlg(this);
 386         dlg.exec();
 387 }
 388
 389 void MainWindow::add_decoder(srd_decoder *decoder)
 390 {
 391 #ifdef ENABLE_DECODE
 392         assert(decoder);
 393         _session.add_decoder(decoder);
 394 #else
 395         (void)decoder;
 396 #endif
 397 }
 398
 399 void MainWindow::run_stop()
 400 {
 401         switch(_session.get_capture_state()) {
 402         case SigSession::Stopped:
 403                 _session.start_capture(_sampling_bar->get_record_length(),
 404                         boost::bind(&MainWindow::session_error, this,
 405                                 QString("Capture failed"), _1));
 406                 break;
 407
 408         case SigSession::AwaitingTrigger:
 409         case SigSession::Running:
 410                 _session.stop_capture();
 411                 break;
 412         }
 413 }
 414
 415 void MainWindow::capture_state_changed(int state)
 416 {
 417         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 418 }
 419
 420 } // namespace pv