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/samplingbar.h"
  43 #include "view/logicsignal.h"
  44 #include "view/view.h"
  45 #include "widgets/decodermenu.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 {
  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         QMenuBar *const menu_bar = new QMenuBar(this);
 105         menu_bar->setGeometry(QRect(0, 0, 400, 25));
 106
 107         // File Menu
 108         QMenu *const menu_file = new QMenu;
 109         menu_file->setTitle(QApplication::translate(
 110                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 111
 112         QAction *const 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         QAction *const 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         QAction *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         QMenu *menu_view = new QMenu;
 142         menu_view->setTitle(QApplication::translate(
 143                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 144
 145         QAction *const 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         QAction *const 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         QAction *const action_view_zoom_fit = new QAction(this);
 164         action_view_zoom_fit->setText(QApplication::translate(
 165                 "MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
 166         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 167                 QIcon(":/icons/zoom-fit.png")));
 168         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 169         action_view_zoom_fit->setObjectName(
 170                 QString::fromUtf8("actionViewZoomFit"));
 171         menu_view->addAction(action_view_zoom_fit);
 172
 173         menu_view->addSeparator();
 174
 175         QAction *action_view_show_cursors = new QAction(this);
 176         action_view_show_cursors->setCheckable(true);
 177         action_view_show_cursors->setChecked(_view->cursors_shown());
 178         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 179         action_view_show_cursors->setObjectName(
 180                 QString::fromUtf8("actionViewShowCursors"));
 181         action_view_show_cursors->setText(QApplication::translate(
 182                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 183         menu_view->addAction(action_view_show_cursors);
 184
 185         // Decoders Menu
 186         QMenu *const menu_decoders = new QMenu;
 187         menu_decoders->setTitle(QApplication::translate(
 188                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 189
 190         pv::widgets::DecoderMenu *const menu_decoders_add =
 191                 new pv::widgets::DecoderMenu(menu_decoders);
 192         menu_decoders_add->setTitle(QApplication::translate(
 193                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 194         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 195                 this, SLOT(add_decoder(srd_decoder*)));
 196
 197         menu_decoders->addMenu(menu_decoders_add);
 198
 199         // Help Menu
 200         QMenu *const menu_help = new QMenu;
 201         menu_help->setTitle(QApplication::translate(
 202                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 203
 204         QAction *const action_about = new QAction(this);
 205         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 206         action_about->setText(QApplication::translate(
 207                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 208         menu_help->addAction(action_about);
 209
 210         menu_bar->addAction(menu_file->menuAction());
 211         menu_bar->addAction(menu_view->menuAction());
 212         menu_bar->addAction(menu_decoders->menuAction());
 213         menu_bar->addAction(menu_help->menuAction());
 214
 215         setMenuBar(menu_bar);
 216         QMetaObject::connectSlotsByName(this);
 217
 218         // Setup the toolbar
 219         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 220         toolbar->addAction(action_open);
 221         toolbar->addSeparator();
 222         toolbar->addAction(action_view_zoom_in);
 223         toolbar->addAction(action_view_zoom_out);
 224         toolbar->addAction(action_view_zoom_fit);
 225         addToolBar(toolbar);
 226
 227         // Setup the sampling bar
 228         _sampling_bar = new toolbars::SamplingBar(_session, this);
 229
 230         // Populate the device list and select the initially selected device
 231         update_device_list();
 232
 233         connect(_sampling_bar, SIGNAL(run_stop()), this,
 234                 SLOT(run_stop()));
 235         addToolBar(_sampling_bar);
 236
 237         // Set the title
 238         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 239                 QApplication::UnicodeUTF8));
 240
 241         // Setup _session events
 242         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 243                 SLOT(capture_state_changed(int)));
 244
 245 }
 246
 247 void MainWindow::session_error(
 248         const QString text, const QString info_text)
 249 {
 250         QMetaObject::invokeMethod(this, "show_session_error",
 251                 Qt::QueuedConnection, Q_ARG(QString, text),
 252                 Q_ARG(QString, info_text));
 253 }
 254
 255 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 256 {
 257         assert(_sampling_bar);
 258
 259         const list<sr_dev_inst*> &devices = _device_manager.devices();
 260         _sampling_bar->set_device_list(devices);
 261
 262         if (!selected_device && !devices.empty()) {
 263                 // Fall back to the first device in the list.
 264                 selected_device = devices.front();
 265
 266                 // Try and find the demo device and select that by default
 267                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 268                         if (strcmp(sdi->driver->name, "demo") == 0) {
 269                                 selected_device = sdi;
 270                         }
 271         }
 272
 273         if (selected_device) {
 274                 _sampling_bar->set_selected_device(selected_device);
 275                 _session.set_device(selected_device);
 276         }
 277 }
 278
 279 void MainWindow::load_file(QString file_name)
 280 {
 281         const QString errorMessage(
 282                 QString("Failed to load file %1").arg(file_name));
 283         const QString infoMessage;
 284         _session.load_file(file_name.toStdString(),
 285                 boost::bind(&MainWindow::session_error, this,
 286                         errorMessage, infoMessage));
 287 }
 288
 289 void MainWindow::show_session_error(
 290         const QString text, const QString info_text)
 291 {
 292         QMessageBox msg(this);
 293         msg.setText(text);
 294         msg.setInformativeText(info_text);
 295         msg.setStandardButtons(QMessageBox::Ok);
 296         msg.setIcon(QMessageBox::Warning);
 297         msg.exec();
 298 }
 299
 300 void MainWindow::on_actionOpen_triggered()
 301 {
 302         // Enumerate the file formats
 303         QString filters(tr("Sigrok Sessions (*.sr)"));
 304         filters.append(tr(";;All Files (*.*)"));
 305
 306         // Show the dialog
 307         const QString file_name = QFileDialog::getOpenFileName(
 308                 this, tr("Open File"), "", filters);
 309         if (!file_name.isEmpty())
 310                 load_file(file_name);
 311 }
 312
 313 void MainWindow::on_actionConnect_triggered()
 314 {
 315         // Stop any currently running capture session
 316         _session.stop_capture();
 317
 318         dialogs::Connect dlg(this, _device_manager);
 319
 320         // If the user selected a device, select it in the device list. Select the
 321         // current device otherwise.
 322         struct sr_dev_inst *const sdi = dlg.exec() ?
 323                 dlg.get_selected_device() : _session.get_device();
 324
 325         update_device_list(sdi);
 326 }
 327
 328 void MainWindow::on_actionQuit_triggered()
 329 {
 330         close();
 331 }
 332
 333 void MainWindow::on_actionViewZoomIn_triggered()
 334 {
 335         _view->zoom(1);
 336 }
 337
 338 void MainWindow::on_actionViewZoomOut_triggered()
 339 {
 340         _view->zoom(-1);
 341 }
 342
 343 void MainWindow::on_actionViewZoomFit_triggered()
 344 {
 345         _view->zoom_fit();
 346 }
 347
 348 void MainWindow::on_actionViewShowCursors_triggered()
 349 {
 350         assert(_view);
 351
 352         const bool show = !_view->cursors_shown();
 353         if(show)
 354                 _view->centre_cursors();
 355
 356         _view->show_cursors(show);
 357 }
 358
 359 void MainWindow::on_actionAbout_triggered()
 360 {
 361         dialogs::About dlg(this);
 362         dlg.exec();
 363 }
 364
 365 void MainWindow::add_decoder(srd_decoder *decoder)
 366 {
 367         assert(decoder);
 368         _session.add_decoder(decoder);
 369 }
 370
 371 void MainWindow::run_stop()
 372 {
 373         switch(_session.get_capture_state()) {
 374         case SigSession::Stopped:
 375                 _session.start_capture(_sampling_bar->get_record_length(),
 376                         boost::bind(&MainWindow::session_error, this,
 377                                 QString("Capture failed"), _1));
 378                 break;
 379
 380         case SigSession::AwaitingTrigger:
 381         case SigSession::Running:
 382                 _session.stop_capture();
 383                 break;
 384         }
 385 }
 386
 387 void MainWindow::capture_state_changed(int state)
 388 {
 389         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 390 }
 391
 392 } // namespace pv