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 #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/view.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 std;
  56
  57 namespace pv {
  58
  59 MainWindow::MainWindow(DeviceManager &device_manager,
  60         const char *open_file_name,
  61         QWidget *parent) :
  62         QMainWindow(parent),
  63         _device_manager(device_manager)
  64 {
  65         setup_ui();
  66         if (open_file_name) {
  67                 const QString s(QString::fromUtf8(open_file_name));
  68                 QMetaObject::invokeMethod(this, "load_file",
  69                         Qt::QueuedConnection,
  70                         Q_ARG(QString, s));
  71         }
  72 }
  73
  74 void MainWindow::setup_ui()
  75 {
  76         setObjectName(QString::fromUtf8("MainWindow"));
  77
  78         resize(1024, 768);
  79
  80         // Set the window icon
  81         QIcon icon;
  82         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  83                 QSize(), QIcon::Normal, QIcon::Off);
  84         setWindowIcon(icon);
  85
  86         // Setup the central widget
  87         _central_widget = new QWidget(this);
  88         _vertical_layout = new QVBoxLayout(_central_widget);
  89         _vertical_layout->setSpacing(6);
  90         _vertical_layout->setContentsMargins(0, 0, 0, 0);
  91         setCentralWidget(_central_widget);
  92
  93         _view = new pv::view::View(_session, this);
  94         _vertical_layout->addWidget(_view);
  95
  96         // Setup the menu bar
  97         _menu_bar = new QMenuBar(this);
  98         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
  99
 100         // File Menu
 101         _menu_file = new QMenu(_menu_bar);
 102         _menu_file->setTitle(QApplication::translate(
 103                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 104
 105         _action_open = new QAction(this);
 106         _action_open->setText(QApplication::translate(
 107                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 108         _action_open->setIcon(QIcon::fromTheme("document-open",
 109                 QIcon(":/icons/document-open.png")));
 110         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
 111         _menu_file->addAction(_action_open);
 112
 113         _menu_file->addSeparator();
 114
 115         _action_connect = new QAction(this);
 116         _action_connect->setText(QApplication::translate(
 117                 "MainWindow", "&Connect to Device...", 0,
 118                 QApplication::UnicodeUTF8));
 119         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 120         _menu_file->addAction(_action_connect);
 121
 122         _menu_file->addSeparator();
 123
 124         _action_quit = new QAction(this);
 125         _action_quit->setText(QApplication::translate(
 126                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 127         _action_quit->setIcon(QIcon::fromTheme("application-exit",
 128                 QIcon(":/icons/application-exit.png")));
 129         _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 130         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 131         _menu_file->addAction(_action_quit);
 132
 133         // View Menu
 134         _menu_view = new QMenu(_menu_bar);
 135         _menu_view->setTitle(QApplication::translate(
 136                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 137
 138         _action_view_zoom_in = new QAction(this);
 139         _action_view_zoom_in->setText(QApplication::translate(
 140                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 141         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 142                 QIcon(":/icons/zoom-in.png")));
 143         _action_view_zoom_in->setObjectName(
 144                 QString::fromUtf8("actionViewZoomIn"));
 145         _menu_view->addAction(_action_view_zoom_in);
 146
 147         _action_view_zoom_out = new QAction(this);
 148         _action_view_zoom_out->setText(QApplication::translate(
 149                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 150         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 151                 QIcon(":/icons/zoom-out.png")));
 152         _action_view_zoom_out->setObjectName(
 153                 QString::fromUtf8("actionViewZoomOut"));
 154         _menu_view->addAction(_action_view_zoom_out);
 155
 156         _menu_view->addSeparator();
 157
 158         _action_view_show_cursors = new QAction(this);
 159         _action_view_show_cursors->setCheckable(true);
 160         _action_view_show_cursors->setChecked(_view->cursors_shown());
 161         _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 162         _action_view_show_cursors->setObjectName(
 163                 QString::fromUtf8("actionViewShowCursors"));
 164         _action_view_show_cursors->setText(QApplication::translate(
 165                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 166         _menu_view->addAction(_action_view_show_cursors);
 167
 168         // Help Menu
 169         _menu_help = new QMenu(_menu_bar);
 170         _menu_help->setTitle(QApplication::translate(
 171                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 172
 173         _action_about = new QAction(this);
 174         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 175         _action_about->setText(QApplication::translate(
 176                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 177         _menu_help->addAction(_action_about);
 178
 179         _menu_bar->addAction(_menu_file->menuAction());
 180         _menu_bar->addAction(_menu_view->menuAction());
 181         _menu_bar->addAction(_menu_help->menuAction());
 182
 183         setMenuBar(_menu_bar);
 184         QMetaObject::connectSlotsByName(this);
 185
 186         // Setup the toolbar
 187         _toolbar = new QToolBar(tr("Main Toolbar"), this);
 188         _toolbar->addAction(_action_open);
 189         _toolbar->addSeparator();
 190         _toolbar->addAction(_action_view_zoom_in);
 191         _toolbar->addAction(_action_view_zoom_out);
 192         addToolBar(_toolbar);
 193
 194         // Setup the sampling bar
 195         _sampling_bar = new toolbars::SamplingBar(this);
 196
 197         // Populate the device list and select the initially selected device
 198         update_device_list();
 199
 200         connect(_sampling_bar, SIGNAL(device_selected()), this,
 201                 SLOT(device_selected()));
 202         connect(_sampling_bar, SIGNAL(run_stop()), this,
 203                 SLOT(run_stop()));
 204         addToolBar(_sampling_bar);
 205
 206         // Set the title
 207         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 208                 QApplication::UnicodeUTF8));
 209
 210         // Setup _session events
 211         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 212                 SLOT(capture_state_changed(int)));
 213
 214 }
 215
 216 void MainWindow::session_error(
 217         const QString text, const QString info_text)
 218 {
 219         QMetaObject::invokeMethod(this, "show_session_error",
 220                 Qt::QueuedConnection, Q_ARG(QString, text),
 221                 Q_ARG(QString, info_text));
 222 }
 223
 224 void MainWindow::update_device_list(struct sr_dev_inst *selected_device)
 225 {
 226         assert(_sampling_bar);
 227
 228         const list<sr_dev_inst*> &devices = _device_manager.devices();
 229         _sampling_bar->set_device_list(devices);
 230
 231         if (!selected_device && !devices.empty()) {
 232                 // Fall back to the first device in the list.
 233                 selected_device = devices.front();
 234
 235                 // Try and find the demo device and select that by default
 236                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 237                         if (strcmp(sdi->driver->name, "demo") == 0) {
 238                                 selected_device = sdi;
 239                         }
 240         }
 241
 242         if (selected_device) {
 243                 _sampling_bar->set_selected_device(selected_device);
 244                 _session.set_device(selected_device);
 245         }
 246 }
 247
 248 void MainWindow::load_file(QString file_name)
 249 {
 250         const QString errorMessage(
 251                 QString("Failed to load file %1").arg(file_name));
 252         const QString infoMessage;
 253         _session.load_file(file_name.toStdString(),
 254                 boost::bind(&MainWindow::session_error, this,
 255                         errorMessage, infoMessage));
 256 }
 257
 258 void MainWindow::show_session_error(
 259         const QString text, const QString info_text)
 260 {
 261         QMessageBox msg(this);
 262         msg.setText(text);
 263         msg.setInformativeText(info_text);
 264         msg.setStandardButtons(QMessageBox::Ok);
 265         msg.setIcon(QMessageBox::Warning);
 266         msg.exec();
 267 }
 268
 269 void MainWindow::on_actionOpen_triggered()
 270 {
 271         const QString file_name = QFileDialog::getOpenFileName(
 272                 this, tr("Open File"), "",
 273                 tr("Sigrok Sessions (*.sr)"));
 274         if (!file_name.isEmpty())
 275                 load_file(file_name);
 276 }
 277
 278 void MainWindow::on_actionConnect_triggered()
 279 {
 280         dialogs::Connect dlg(this, _device_manager);
 281         if (!dlg.exec())
 282                 return;
 283
 284         struct sr_dev_inst *const sdi = dlg.get_selected_device();
 285         update_device_list(sdi);
 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