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