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_SIGROKDECODE
  22 #include <sigrokdecode.h>
  23 #endif
  24
  25 #include <boost/bind.hpp>
  26
  27 #include <QAction>
  28 #include <QApplication>
  29 #include <QButtonGroup>
  30 #include <QFileDialog>
  31 #include <QMessageBox>
  32 #include <QMenu>
  33 #include <QMenuBar>
  34 #include <QStatusBar>
  35 #include <QVBoxLayout>
  36 #include <QWidget>
  37
  38 #include "mainwindow.h"
  39 #include "dialogs/about.h"
  40 #include "dialogs/connect.h"
  41 #include "toolbars/samplingbar.h"
  42 #include "view/view.h"
  43
  44 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  45 #define __STDC_FORMAT_MACROS
  46 #include <inttypes.h>
  47 #include <stdint.h>
  48 #include <stdarg.h>
  49 #include <glib.h>
  50 #include <libsigrok/libsigrok.h>
  51
  52
  53 namespace pv {
  54
  55 MainWindow::MainWindow(const char *open_file_name,
  56         QWidget *parent) :
  57         QMainWindow(parent)
  58 {
  59         setup_ui();
  60         if (open_file_name) {
  61                 const QString s(QString::fromUtf8(open_file_name));
  62                 QMetaObject::invokeMethod(this, "load_file",
  63                         Qt::QueuedConnection,
  64                         Q_ARG(QString, s));
  65         }
  66 }
  67
  68 void MainWindow::setup_ui()
  69 {
  70         setObjectName(QString::fromUtf8("MainWindow"));
  71
  72         resize(1024, 768);
  73
  74         // Set the window icon
  75         QIcon icon;
  76         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  77                 QSize(), QIcon::Normal, QIcon::Off);
  78         setWindowIcon(icon);
  79
  80         // Setup the central widget
  81         _central_widget = new QWidget(this);
  82         _vertical_layout = new QVBoxLayout(_central_widget);
  83         _vertical_layout->setSpacing(6);
  84         _vertical_layout->setContentsMargins(0, 0, 0, 0);
  85         setCentralWidget(_central_widget);
  86
  87         _view = new pv::view::View(_session, this);
  88         _vertical_layout->addWidget(_view);
  89
  90         // Setup the menu bar
  91         _menu_bar = new QMenuBar(this);
  92         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
  93
  94         // File Menu
  95         _menu_file = new QMenu(_menu_bar);
  96         _menu_file->setTitle(QApplication::translate(
  97                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
  98
  99         _action_open = new QAction(this);
 100         _action_open->setText(QApplication::translate(
 101                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 102         _action_open->setIcon(QIcon::fromTheme("document-open",
 103                 QIcon(":/icons/document-open.png")));
 104         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
 105         _menu_file->addAction(_action_open);
 106
 107         _menu_file->addSeparator();
 108
 109         _action_connect = new QAction(this);
 110         _action_connect->setText(QApplication::translate(
 111                 "MainWindow", "&Connect to Device...", 0,
 112                 QApplication::UnicodeUTF8));
 113         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 114         _menu_file->addAction(_action_connect);
 115
 116         _menu_file->addSeparator();
 117
 118         _action_quit = new QAction(this);
 119         _action_quit->setText(QApplication::translate(
 120                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 121         _action_quit->setIcon(QIcon::fromTheme("application-exit",
 122                 QIcon(":/icons/application-exit.png")));
 123         _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 124         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 125         _menu_file->addAction(_action_quit);
 126
 127         // View Menu
 128         _menu_view = new QMenu(_menu_bar);
 129         _menu_view->setTitle(QApplication::translate(
 130                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 131
 132         _action_view_zoom_in = new QAction(this);
 133         _action_view_zoom_in->setText(QApplication::translate(
 134                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 135         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 136                 QIcon(":/icons/zoom-in.png")));
 137         _action_view_zoom_in->setObjectName(
 138                 QString::fromUtf8("actionViewZoomIn"));
 139         _menu_view->addAction(_action_view_zoom_in);
 140
 141         _action_view_zoom_out = new QAction(this);
 142         _action_view_zoom_out->setText(QApplication::translate(
 143                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 144         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 145                 QIcon(":/icons/zoom-out.png")));
 146         _action_view_zoom_out->setObjectName(
 147                 QString::fromUtf8("actionViewZoomOut"));
 148         _menu_view->addAction(_action_view_zoom_out);
 149
 150         _menu_view->addSeparator();
 151
 152         _action_view_show_cursors = new QAction(this);
 153         _action_view_show_cursors->setCheckable(true);
 154         _action_view_show_cursors->setChecked(_view->cursors_shown());
 155         _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 156         _action_view_show_cursors->setObjectName(
 157                 QString::fromUtf8("actionViewShowCursors"));
 158         _action_view_show_cursors->setText(QApplication::translate(
 159                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 160         _menu_view->addAction(_action_view_show_cursors);
 161
 162         // Help Menu
 163         _menu_help = new QMenu(_menu_bar);
 164         _menu_help->setTitle(QApplication::translate(
 165                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 166
 167         _action_about = new QAction(this);
 168         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 169         _action_about->setText(QApplication::translate(
 170                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 171         _menu_help->addAction(_action_about);
 172
 173         _menu_bar->addAction(_menu_file->menuAction());
 174         _menu_bar->addAction(_menu_view->menuAction());
 175         _menu_bar->addAction(_menu_help->menuAction());
 176
 177         setMenuBar(_menu_bar);
 178         QMetaObject::connectSlotsByName(this);
 179
 180         // Setup the toolbar
 181         _toolbar = new QToolBar(this);
 182         _toolbar->addAction(_action_open);
 183         _toolbar->addSeparator();
 184         _toolbar->addAction(_action_view_zoom_in);
 185         _toolbar->addAction(_action_view_zoom_out);
 186         addToolBar(_toolbar);
 187
 188         // Setup the sampling bar
 189         _sampling_bar = new toolbars::SamplingBar(this);
 190
 191         // Populate the device list and select the initially selected device
 192         scan_devices();
 193         if(!_devices.empty()) {
 194                 struct sr_dev_inst *const initial_sdi = _devices.front();
 195                 _sampling_bar->set_selected_device(initial_sdi);
 196                 _session.set_device(initial_sdi);
 197         }
 198
 199         connect(_sampling_bar, SIGNAL(device_selected()), this,
 200                 SLOT(device_selected()));
 201         connect(_sampling_bar, SIGNAL(run_stop()), this,
 202                 SLOT(run_stop()));
 203         addToolBar(_sampling_bar);
 204
 205         // Set the title
 206         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 207                 QApplication::UnicodeUTF8));
 208
 209         // Setup _session events
 210         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 211                 SLOT(capture_state_changed(int)));
 212
 213 }
 214
 215 void MainWindow::scan_devices()
 216 {
 217         _devices.clear();
 218
 219         /* Scan all drivers for all devices. */
 220         struct sr_dev_driver **const drivers = sr_driver_list();
 221         for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
 222                 GSList *const devices = sr_driver_scan(*driver, NULL);
 223                 for (GSList *l = devices; l; l = l->next)
 224                         _devices.push_back((sr_dev_inst*)l->data);
 225                 g_slist_free(devices);
 226         }
 227
 228         assert(_sampling_bar);
 229         _sampling_bar->set_device_list(_devices);
 230 }
 231
 232 void MainWindow::session_error(
 233         const QString text, const QString info_text)
 234 {
 235         QMetaObject::invokeMethod(this, "show_session_error",
 236                 Qt::QueuedConnection, Q_ARG(QString, text),
 237                 Q_ARG(QString, info_text));
 238 }
 239
 240 void MainWindow::load_file(QString file_name)
 241 {
 242         const QString errorMessage(
 243                 QString("Failed to load file %1").arg(file_name));
 244         const QString infoMessage;
 245         _session.load_file(file_name.toStdString(),
 246                 boost::bind(&MainWindow::session_error, this,
 247                         errorMessage, infoMessage));
 248 }
 249
 250 void MainWindow::show_session_error(
 251         const QString text, const QString info_text)
 252 {
 253         QMessageBox msg(this);
 254         msg.setText(text);
 255         msg.setInformativeText(info_text);
 256         msg.setStandardButtons(QMessageBox::Ok);
 257         msg.setIcon(QMessageBox::Warning);
 258         msg.exec();
 259 }
 260
 261 void MainWindow::on_actionOpen_triggered()
 262 {
 263         const QString file_name = QFileDialog::getOpenFileName(
 264                 this, tr("Open File"), "",
 265                 tr("Sigrok Sessions (*.sr)"));
 266         if (!file_name.isEmpty())
 267                 load_file(file_name);
 268 }
 269
 270 void MainWindow::on_actionConnect_triggered()
 271 {
 272         dialogs::Connect dlg(this);
 273         if (!dlg.exec())
 274                 return;
 275
 276         struct sr_dev_inst *const sdi = dlg.get_selected_device();
 277         if (sdi) {
 278                 assert(_sampling_bar);
 279
 280                 _devices.push_back(sdi);
 281                 _sampling_bar->set_device_list(_devices);
 282                 _sampling_bar->set_selected_device(sdi);
 283
 284                 _session.set_device(sdi);
 285         }
 286 }
 287
 288 void MainWindow::on_actionQuit_triggered()
 289 {
 290         close();
 291 }
 292
 293 void MainWindow::on_actionViewZoomIn_triggered()
 294 {
 295         _view->zoom(1);
 296 }
 297
 298 void MainWindow::on_actionViewZoomOut_triggered()
 299 {
 300         _view->zoom(-1);
 301 }
 302
 303 void MainWindow::on_actionViewShowCursors_triggered()
 304 {
 305         assert(_view);
 306
 307         const bool show = !_view->cursors_shown();
 308         if(show)
 309                 _view->centre_cursors();
 310
 311         _view->show_cursors(show);
 312 }
 313
 314 void MainWindow::on_actionAbout_triggered()
 315 {
 316         dialogs::About dlg(this);
 317         dlg.exec();
 318 }
 319
 320 void MainWindow::device_selected()
 321 {
 322         _session.set_device(_sampling_bar->get_selected_device());
 323 }
 324
 325 void MainWindow::run_stop()
 326 {
 327         switch(_session.get_capture_state()) {
 328         case SigSession::Stopped:
 329                 _session.start_capture(_sampling_bar->get_record_length(),
 330                         boost::bind(&MainWindow::session_error, this,
 331                                 QString("Capture failed"), _1));
 332                 break;
 333
 334         case SigSession::Running:
 335                 _session.stop_capture();
 336                 break;
 337         }
 338 }
 339
 340 void MainWindow::capture_state_changed(int state)
 341 {
 342         _sampling_bar->set_sampling(state != SigSession::Stopped);
 343 }
 344
 345 } // namespace pv