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 <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/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         _session(device_manager)
  65 {
  66         setup_ui();
  67         if (open_file_name) {
  68                 const QString s(QString::fromUtf8(open_file_name));
  69                 QMetaObject::invokeMethod(this, "load_file",
  70                         Qt::QueuedConnection,
  71                         Q_ARG(QString, s));
  72         }
  73 }
  74
  75 void MainWindow::setup_ui()
  76 {
  77         setObjectName(QString::fromUtf8("MainWindow"));
  78
  79         resize(1024, 768);
  80
  81         // Set the window icon
  82         QIcon icon;
  83         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  84                 QSize(), QIcon::Normal, QIcon::Off);
  85         setWindowIcon(icon);
  86
  87         // Setup the central widget
  88         _central_widget = new QWidget(this);
  89         _vertical_layout = new QVBoxLayout(_central_widget);
  90         _vertical_layout->setSpacing(6);
  91         _vertical_layout->setContentsMargins(0, 0, 0, 0);
  92         setCentralWidget(_central_widget);
  93
  94         _view = new pv::view::View(_session, this);
  95         _vertical_layout->addWidget(_view);
  96
  97         // Setup the menu bar
  98         _menu_bar = new QMenuBar(this);
  99         _menu_bar->setGeometry(QRect(0, 0, 400, 25));
 100
 101         // File Menu
 102         _menu_file = new QMenu(_menu_bar);
 103         _menu_file->setTitle(QApplication::translate(
 104                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 105
 106         _action_open = new QAction(this);
 107         _action_open->setText(QApplication::translate(
 108                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 109         _action_open->setIcon(QIcon::fromTheme("document-open",
 110                 QIcon(":/icons/document-open.png")));
 111         _action_open->setObjectName(QString::fromUtf8("actionOpen"));
 112         _menu_file->addAction(_action_open);
 113
 114         _menu_file->addSeparator();
 115
 116         _action_connect = new QAction(this);
 117         _action_connect->setText(QApplication::translate(
 118                 "MainWindow", "&Connect to Device...", 0,
 119                 QApplication::UnicodeUTF8));
 120         _action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 121         _menu_file->addAction(_action_connect);
 122
 123         _menu_file->addSeparator();
 124
 125         _action_quit = new QAction(this);
 126         _action_quit->setText(QApplication::translate(
 127                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 128         _action_quit->setIcon(QIcon::fromTheme("application-exit",
 129                 QIcon(":/icons/application-exit.png")));
 130         _action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 131         _action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 132         _menu_file->addAction(_action_quit);
 133
 134         // View Menu
 135         _menu_view = new QMenu(_menu_bar);
 136         _menu_view->setTitle(QApplication::translate(
 137                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 138
 139         _action_view_zoom_in = new QAction(this);
 140         _action_view_zoom_in->setText(QApplication::translate(
 141                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 142         _action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 143                 QIcon(":/icons/zoom-in.png")));
 144         _action_view_zoom_in->setObjectName(
 145                 QString::fromUtf8("actionViewZoomIn"));
 146         _menu_view->addAction(_action_view_zoom_in);
 147
 148         _action_view_zoom_out = new QAction(this);
 149         _action_view_zoom_out->setText(QApplication::translate(
 150                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 151         _action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 152                 QIcon(":/icons/zoom-out.png")));
 153         _action_view_zoom_out->setObjectName(
 154                 QString::fromUtf8("actionViewZoomOut"));
 155         _menu_view->addAction(_action_view_zoom_out);
 156
 157         _menu_view->addSeparator();
 158
 159         _action_view_show_cursors = new QAction(this);
 160         _action_view_show_cursors->setCheckable(true);
 161         _action_view_show_cursors->setChecked(_view->cursors_shown());
 162         _action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 163         _action_view_show_cursors->setObjectName(
 164                 QString::fromUtf8("actionViewShowCursors"));
 165         _action_view_show_cursors->setText(QApplication::translate(
 166                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 167         _menu_view->addAction(_action_view_show_cursors);
 168
 169         // Help Menu
 170         _menu_help = new QMenu(_menu_bar);
 171         _menu_help->setTitle(QApplication::translate(
 172                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 173
 174         _action_about = new QAction(this);
 175         _action_about->setObjectName(QString::fromUtf8("actionAbout"));
 176         _action_about->setText(QApplication::translate(
 177                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 178         _menu_help->addAction(_action_about);
 179
 180         _menu_bar->addAction(_menu_file->menuAction());
 181         _menu_bar->addAction(_menu_view->menuAction());
 182         _menu_bar->addAction(_menu_help->menuAction());
 183
 184         setMenuBar(_menu_bar);
 185         QMetaObject::connectSlotsByName(this);
 186
 187         // Setup the toolbar
 188         _toolbar = new QToolBar(tr("Main Toolbar"), this);
 189         _toolbar->addAction(_action_open);
 190         _toolbar->addSeparator();
 191         _toolbar->addAction(_action_view_zoom_in);
 192         _toolbar->addAction(_action_view_zoom_out);
 193         addToolBar(_toolbar);
 194
 195         // Setup the sampling bar
 196         _sampling_bar = new toolbars::SamplingBar(this);
 197
 198         // Populate the device list and select the initially selected device
 199         update_device_list();
 200
 201         connect(_sampling_bar, SIGNAL(device_selected()), this,
 202                 SLOT(device_selected()));
 203         connect(_sampling_bar, SIGNAL(run_stop()), this,
 204                 SLOT(run_stop()));
 205         addToolBar(_sampling_bar);
 206
 207         // Set the title
 208         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 209                 QApplication::UnicodeUTF8));
 210
 211         // Setup _session events
 212         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 213                 SLOT(capture_state_changed(int)));
 214
 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::update_device_list(struct sr_dev_inst *selected_device)
 226 {
 227         assert(_sampling_bar);
 228
 229         const list<sr_dev_inst*> &devices = _device_manager.devices();
 230         _sampling_bar->set_device_list(devices);
 231
 232         if (!selected_device && !devices.empty()) {
 233                 // Fall back to the first device in the list.
 234                 selected_device = devices.front();
 235
 236                 // Try and find the demo device and select that by default
 237                 BOOST_FOREACH (struct sr_dev_inst *sdi, devices)
 238                         if (strcmp(sdi->driver->name, "demo") == 0) {
 239                                 selected_device = sdi;
 240                         }
 241         }
 242
 243         if (selected_device) {
 244                 _sampling_bar->set_selected_device(selected_device);
 245                 _session.set_device(selected_device);
 246         }
 247 }
 248
 249 void MainWindow::load_file(QString file_name)
 250 {
 251         const QString errorMessage(
 252                 QString("Failed to load file %1").arg(file_name));
 253         const QString infoMessage;
 254         _session.load_file(file_name.toStdString(),
 255                 boost::bind(&MainWindow::session_error, this,
 256                         errorMessage, infoMessage));
 257 }
 258
 259 void MainWindow::show_session_error(
 260         const QString text, const QString info_text)
 261 {
 262         QMessageBox msg(this);
 263         msg.setText(text);
 264         msg.setInformativeText(info_text);
 265         msg.setStandardButtons(QMessageBox::Ok);
 266         msg.setIcon(QMessageBox::Warning);
 267         msg.exec();
 268 }
 269
 270 void MainWindow::on_actionOpen_triggered()
 271 {
 272         const QString file_name = QFileDialog::getOpenFileName(
 273                 this, tr("Open File"), "",
 274                 tr("Sigrok Sessions (*.sr)"));
 275         if (!file_name.isEmpty())
 276                 load_file(file_name);
 277 }
 278
 279 void MainWindow::on_actionConnect_triggered()
 280 {
 281         // Stop any currently running capture session
 282         _session.stop_capture();
 283
 284         dialogs::Connect dlg(this, _device_manager);
 285
 286         // If the user selected a device, select it in the device list. Select the
 287         // current device otherwise.
 288         struct sr_dev_inst *const sdi = dlg.exec() ?
 289                 dlg.get_selected_device() : _session.get_device();
 290
 291         update_device_list(sdi);
 292 }
 293
 294 void MainWindow::on_actionQuit_triggered()
 295 {
 296         close();
 297 }
 298
 299 void MainWindow::on_actionViewZoomIn_triggered()
 300 {
 301         _view->zoom(1);
 302 }
 303
 304 void MainWindow::on_actionViewZoomOut_triggered()
 305 {
 306         _view->zoom(-1);
 307 }
 308
 309 void MainWindow::on_actionViewShowCursors_triggered()
 310 {
 311         assert(_view);
 312
 313         const bool show = !_view->cursors_shown();
 314         if(show)
 315                 _view->centre_cursors();
 316
 317         _view->show_cursors(show);
 318 }
 319
 320 void MainWindow::on_actionAbout_triggered()
 321 {
 322         dialogs::About dlg(this);
 323         dlg.exec();
 324 }
 325
 326 void MainWindow::device_selected()
 327 {
 328         _session.set_device(_sampling_bar->get_selected_device());
 329 }
 330
 331 void MainWindow::run_stop()
 332 {
 333         switch(_session.get_capture_state()) {
 334         case SigSession::Stopped:
 335                 _session.start_capture(_sampling_bar->get_record_length(),
 336                         boost::bind(&MainWindow::session_error, this,
 337                                 QString("Capture failed"), _1));
 338                 break;
 339
 340         case SigSession::Running:
 341                 _session.stop_capture();
 342                 break;
 343         }
 344 }
 345
 346 void MainWindow::capture_state_changed(int state)
 347 {
 348         _sampling_bar->set_sampling(state != SigSession::Stopped);
 349 }
 350
 351 } // namespace pv