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_DECODE
  22 #include <libsigrokdecode/libsigrokdecode.h>
  23 #endif
  24
  25 #include <algorithm>
  26 #include <iterator>
  27
  28 #include <QAction>
  29 #include <QApplication>
  30 #include <QButtonGroup>
  31 #include <QFileDialog>
  32 #include <QMessageBox>
  33 #include <QMenu>
  34 #include <QMenuBar>
  35 #include <QSettings>
  36 #include <QStatusBar>
  37 #include <QVBoxLayout>
  38 #include <QWidget>
  39
  40 #include "mainwindow.h"
  41
  42 #include "devicemanager.h"
  43 #include "device/device.h"
  44 #include "dialogs/about.h"
  45 #include "dialogs/connect.h"
  46 #include "dialogs/storeprogress.h"
  47 #include "toolbars/samplingbar.h"
  48 #include "view/logicsignal.h"
  49 #include "view/view.h"
  50 #ifdef ENABLE_DECODE
  51 #include "widgets/decodermenu.h"
  52 #endif
  53
  54 /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */
  55 #define __STDC_FORMAT_MACROS
  56 #include <inttypes.h>
  57 #include <stdint.h>
  58 #include <stdarg.h>
  59 #include <glib.h>
  60 #include <libsigrok/libsigrok.h>
  61
  62 using std::list;
  63 using std::shared_ptr;
  64
  65 namespace pv {
  66
  67 namespace view {
  68 class SelectableItem;
  69 }
  70
  71 const char *MainWindow::SettingOpenDirectory = "MainWindow/OpenDirectory";
  72 const char *MainWindow::SettingSaveDirectory = "MainWindow/SaveDirectory";
  73
  74 MainWindow::MainWindow(DeviceManager &device_manager,
  75         const char *open_file_name,
  76         QWidget *parent) :
  77         QMainWindow(parent),
  78         _device_manager(device_manager),
  79         _session(device_manager)
  80 {
  81         setup_ui();
  82         if (open_file_name) {
  83                 const QString s(QString::fromUtf8(open_file_name));
  84                 QMetaObject::invokeMethod(this, "load_file",
  85                         Qt::QueuedConnection,
  86                         Q_ARG(QString, s));
  87         }
  88 }
  89
  90 void MainWindow::setup_ui()
  91 {
  92         setObjectName(QString::fromUtf8("MainWindow"));
  93
  94         resize(1024, 768);
  95
  96         // Set the window icon
  97         QIcon icon;
  98         icon.addFile(QString::fromUtf8(":/icons/sigrok-logo-notext.png"),
  99                 QSize(), QIcon::Normal, QIcon::Off);
 100         setWindowIcon(icon);
 101
 102         // Setup the central widget
 103         _central_widget = new QWidget(this);
 104         _vertical_layout = new QVBoxLayout(_central_widget);
 105         _vertical_layout->setSpacing(6);
 106         _vertical_layout->setContentsMargins(0, 0, 0, 0);
 107         setCentralWidget(_central_widget);
 108
 109         _view = new pv::view::View(_session, this);
 110
 111         _vertical_layout->addWidget(_view);
 112
 113         // Setup the menu bar
 114         QMenuBar *const menu_bar = new QMenuBar(this);
 115         menu_bar->setGeometry(QRect(0, 0, 400, 25));
 116
 117         // File Menu
 118         QMenu *const menu_file = new QMenu;
 119         menu_file->setTitle(tr("&File"));
 120
 121         QAction *const action_open = new QAction(this);
 122         action_open->setText(tr("&Open..."));
 123         action_open->setIcon(QIcon::fromTheme("document-open",
 124                 QIcon(":/icons/document-open.png")));
 125         action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 126         action_open->setObjectName(QString::fromUtf8("actionOpen"));
 127         menu_file->addAction(action_open);
 128
 129         QAction *const action_save_as = new QAction(this);
 130         action_save_as->setText(tr("&Save As..."));
 131         action_save_as->setIcon(QIcon::fromTheme("document-save-as",
 132                 QIcon(":/icons/document-save-as.png")));
 133         action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 134         action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
 135         menu_file->addAction(action_save_as);
 136
 137         menu_file->addSeparator();
 138
 139         QAction *const action_connect = new QAction(this);
 140         action_connect->setText(tr("&Connect to Device..."));
 141         action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 142         menu_file->addAction(action_connect);
 143
 144         menu_file->addSeparator();
 145
 146         QAction *action_quit = new QAction(this);
 147         action_quit->setText(tr("&Quit"));
 148         action_quit->setIcon(QIcon::fromTheme("application-exit",
 149                 QIcon(":/icons/application-exit.png")));
 150         action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 151         action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 152         menu_file->addAction(action_quit);
 153
 154         // View Menu
 155         QMenu *menu_view = new QMenu;
 156         menu_view->setTitle(tr("&View"));
 157
 158         QAction *const action_view_zoom_in = new QAction(this);
 159         action_view_zoom_in->setText(tr("Zoom &In"));
 160         action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 161                 QIcon(":/icons/zoom-in.png")));
 162         // simply using Qt::Key_Plus shows no + in the menu
 163         action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
 164         action_view_zoom_in->setObjectName(
 165                 QString::fromUtf8("actionViewZoomIn"));
 166         menu_view->addAction(action_view_zoom_in);
 167
 168         QAction *const action_view_zoom_out = new QAction(this);
 169         action_view_zoom_out->setText(tr("Zoom &Out"));
 170         action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 171                 QIcon(":/icons/zoom-out.png")));
 172         action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
 173         action_view_zoom_out->setObjectName(
 174                 QString::fromUtf8("actionViewZoomOut"));
 175         menu_view->addAction(action_view_zoom_out);
 176
 177         QAction *const action_view_zoom_fit = new QAction(this);
 178         action_view_zoom_fit->setText(tr("Zoom to &Fit"));
 179         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 180                 QIcon(":/icons/zoom-fit.png")));
 181         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 182         action_view_zoom_fit->setObjectName(
 183                 QString::fromUtf8("actionViewZoomFit"));
 184         menu_view->addAction(action_view_zoom_fit);
 185
 186         QAction *const action_view_zoom_one_to_one = new QAction(this);
 187         action_view_zoom_one_to_one->setText(tr("Zoom to &One-to-One"));
 188         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
 189                 QIcon(":/icons/zoom-original.png")));
 190         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
 191         action_view_zoom_one_to_one->setObjectName(
 192                 QString::fromUtf8("actionViewZoomOneToOne"));
 193         menu_view->addAction(action_view_zoom_one_to_one);
 194
 195         menu_view->addSeparator();
 196
 197         QAction *action_view_show_cursors = new QAction(this);
 198         action_view_show_cursors->setCheckable(true);
 199         action_view_show_cursors->setChecked(_view->cursors_shown());
 200         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 201         action_view_show_cursors->setObjectName(
 202                 QString::fromUtf8("actionViewShowCursors"));
 203         action_view_show_cursors->setText(tr("Show &Cursors"));
 204         menu_view->addAction(action_view_show_cursors);
 205
 206         // Decoders Menu
 207 #ifdef ENABLE_DECODE
 208         QMenu *const menu_decoders = new QMenu;
 209         menu_decoders->setTitle(tr("&Decoders"));
 210
 211         pv::widgets::DecoderMenu *const menu_decoders_add =
 212                 new pv::widgets::DecoderMenu(menu_decoders, true);
 213         menu_decoders_add->setTitle(tr("&Add"));
 214         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 215                 this, SLOT(add_decoder(srd_decoder*)));
 216
 217         menu_decoders->addMenu(menu_decoders_add);
 218 #endif
 219
 220         // Help Menu
 221         QMenu *const menu_help = new QMenu;
 222         menu_help->setTitle(tr("&Help"));
 223
 224         QAction *const action_about = new QAction(this);
 225         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 226         action_about->setText(tr("&About..."));
 227         menu_help->addAction(action_about);
 228
 229         menu_bar->addAction(menu_file->menuAction());
 230         menu_bar->addAction(menu_view->menuAction());
 231 #ifdef ENABLE_DECODE
 232         menu_bar->addAction(menu_decoders->menuAction());
 233 #endif
 234         menu_bar->addAction(menu_help->menuAction());
 235
 236         setMenuBar(menu_bar);
 237         QMetaObject::connectSlotsByName(this);
 238
 239         // Setup the toolbar
 240         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 241         toolbar->addAction(action_open);
 242         toolbar->addAction(action_save_as);
 243         toolbar->addSeparator();
 244         toolbar->addAction(action_view_zoom_in);
 245         toolbar->addAction(action_view_zoom_out);
 246         toolbar->addAction(action_view_zoom_fit);
 247         toolbar->addAction(action_view_zoom_one_to_one);
 248         addToolBar(toolbar);
 249
 250         // Setup the sampling bar
 251         _sampling_bar = new toolbars::SamplingBar(_session, this);
 252
 253         // Populate the device list and select the initially selected device
 254         update_device_list();
 255
 256         connect(_sampling_bar, SIGNAL(run_stop()), this,
 257                 SLOT(run_stop()));
 258         addToolBar(_sampling_bar);
 259
 260         // Set the title
 261         setWindowTitle(tr("PulseView"));
 262
 263         // Setup _session events
 264         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 265                 SLOT(capture_state_changed(int)));
 266
 267 }
 268
 269 void MainWindow::session_error(
 270         const QString text, const QString info_text)
 271 {
 272         QMetaObject::invokeMethod(this, "show_session_error",
 273                 Qt::QueuedConnection, Q_ARG(QString, text),
 274                 Q_ARG(QString, info_text));
 275 }
 276
 277 void MainWindow::update_device_list()
 278 {
 279         assert(_sampling_bar);
 280
 281         shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
 282         list< shared_ptr<device::DevInst> > devices;
 283         std::copy(_device_manager.devices().begin(),
 284                 _device_manager.devices().end(), std::back_inserter(devices));
 285
 286         if (std::find(devices.begin(), devices.end(), selected_device) ==
 287                 devices.end())
 288                 devices.push_back(selected_device);
 289         assert(selected_device);
 290
 291         _sampling_bar->set_device_list(devices, selected_device);
 292 }
 293
 294 void MainWindow::load_file(QString file_name)
 295 {
 296         const QString errorMessage(
 297                 QString("Failed to load file %1").arg(file_name));
 298         const QString infoMessage;
 299
 300         try {
 301                 _session.set_file(file_name.toStdString());
 302         } catch(QString e) {
 303                 show_session_error(tr("Failed to load ") + file_name, e);
 304                 _session.set_default_device();
 305                 update_device_list();
 306                 return;
 307         }
 308
 309         update_device_list();
 310
 311         _session.start_capture([&, errorMessage, infoMessage](QString) {
 312                 session_error(errorMessage, infoMessage); });
 313 }
 314
 315 void MainWindow::show_session_error(
 316         const QString text, const QString info_text)
 317 {
 318         QMessageBox msg(this);
 319         msg.setText(text);
 320         msg.setInformativeText(info_text);
 321         msg.setStandardButtons(QMessageBox::Ok);
 322         msg.setIcon(QMessageBox::Warning);
 323         msg.exec();
 324 }
 325
 326 void MainWindow::on_actionOpen_triggered()
 327 {
 328         QSettings settings;
 329         const QString dir = settings.value(SettingOpenDirectory).toString();
 330
 331         // Show the dialog
 332         const QString file_name = QFileDialog::getOpenFileName(
 333                 this, tr("Open File"), dir, tr(
 334                         "Sigrok Sessions (*.sr);;"
 335                         "All Files (*.*)"));
 336
 337         if (!file_name.isEmpty()) {
 338                 load_file(file_name);
 339
 340                 const QString abs_path = QFileInfo(file_name).absolutePath();
 341                 settings.setValue(SettingOpenDirectory, abs_path);
 342         }
 343 }
 344
 345 void MainWindow::on_actionSaveAs_triggered()
 346 {
 347         using pv::dialogs::StoreProgress;
 348
 349         // Stop any currently running capture session
 350         _session.stop_capture();
 351
 352         QSettings settings;
 353         const QString dir = settings.value(SettingSaveDirectory).toString();
 354
 355         // Show the dialog
 356         const QString file_name = QFileDialog::getSaveFileName(
 357                 this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
 358
 359         if (file_name.isEmpty())
 360                 return;
 361
 362         const QString abs_path = QFileInfo(file_name).absolutePath();
 363         settings.setValue(SettingSaveDirectory, abs_path);
 364
 365         StoreProgress *dlg = new StoreProgress(file_name, _session, this);
 366         dlg->run();
 367 }
 368
 369 void MainWindow::on_actionConnect_triggered()
 370 {
 371         // Stop any currently running capture session
 372         _session.stop_capture();
 373
 374         dialogs::Connect dlg(this, _device_manager);
 375
 376         // If the user selected a device, select it in the device list. Select the
 377         // current device otherwise.
 378         if (dlg.exec())
 379                 _session.set_device(dlg.get_selected_device());
 380
 381         update_device_list();
 382 }
 383
 384 void MainWindow::on_actionQuit_triggered()
 385 {
 386         close();
 387 }
 388
 389 void MainWindow::on_actionViewZoomIn_triggered()
 390 {
 391         _view->zoom(1);
 392 }
 393
 394 void MainWindow::on_actionViewZoomOut_triggered()
 395 {
 396         _view->zoom(-1);
 397 }
 398
 399 void MainWindow::on_actionViewZoomFit_triggered()
 400 {
 401         _view->zoom_fit();
 402 }
 403
 404 void MainWindow::on_actionViewZoomOneToOne_triggered()
 405 {
 406         _view->zoom_one_to_one();
 407 }
 408
 409 void MainWindow::on_actionViewShowCursors_triggered()
 410 {
 411         assert(_view);
 412
 413         const bool show = !_view->cursors_shown();
 414         if(show)
 415                 _view->centre_cursors();
 416
 417         _view->show_cursors(show);
 418 }
 419
 420 void MainWindow::on_actionAbout_triggered()
 421 {
 422         dialogs::About dlg(this);
 423         dlg.exec();
 424 }
 425
 426 void MainWindow::add_decoder(srd_decoder *decoder)
 427 {
 428 #ifdef ENABLE_DECODE
 429         assert(decoder);
 430         _session.add_decoder(decoder);
 431 #else
 432         (void)decoder;
 433 #endif
 434 }
 435
 436 void MainWindow::run_stop()
 437 {
 438         switch(_session.get_capture_state()) {
 439         case SigSession::Stopped:
 440                 _session.start_capture([&](QString message) {
 441                         session_error("Capture failed", message); });
 442                 break;
 443
 444         case SigSession::AwaitingTrigger:
 445         case SigSession::Running:
 446                 _session.stop_capture();
 447                 break;
 448         }
 449 }
 450
 451 void MainWindow::capture_state_changed(int state)
 452 {
 453         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 454 }
 455
 456 } // namespace pv