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(QApplication::translate(
 120                 "MainWindow", "&File", 0, QApplication::UnicodeUTF8));
 121
 122         QAction *const action_open = new QAction(this);
 123         action_open->setText(QApplication::translate(
 124                 "MainWindow", "&Open...", 0, QApplication::UnicodeUTF8));
 125         action_open->setIcon(QIcon::fromTheme("document-open",
 126                 QIcon(":/icons/document-open.png")));
 127         action_open->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_O));
 128         action_open->setObjectName(QString::fromUtf8("actionOpen"));
 129         menu_file->addAction(action_open);
 130
 131         QAction *const action_save_as = new QAction(this);
 132         action_save_as->setText(QApplication::translate(
 133                 "MainWindow", "&Save As...", 0, QApplication::UnicodeUTF8));
 134         action_save_as->setIcon(QIcon::fromTheme("document-save-as",
 135                 QIcon(":/icons/document-save-as.png")));
 136         action_save_as->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_S));
 137         action_save_as->setObjectName(QString::fromUtf8("actionSaveAs"));
 138         menu_file->addAction(action_save_as);
 139
 140         menu_file->addSeparator();
 141
 142         QAction *const action_connect = new QAction(this);
 143         action_connect->setText(QApplication::translate(
 144                 "MainWindow", "&Connect to Device...", 0,
 145                 QApplication::UnicodeUTF8));
 146         action_connect->setObjectName(QString::fromUtf8("actionConnect"));
 147         menu_file->addAction(action_connect);
 148
 149         menu_file->addSeparator();
 150
 151         QAction *action_quit = new QAction(this);
 152         action_quit->setText(QApplication::translate(
 153                 "MainWindow", "&Quit", 0, QApplication::UnicodeUTF8));
 154         action_quit->setIcon(QIcon::fromTheme("application-exit",
 155                 QIcon(":/icons/application-exit.png")));
 156         action_quit->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 157         action_quit->setObjectName(QString::fromUtf8("actionQuit"));
 158         menu_file->addAction(action_quit);
 159
 160         // View Menu
 161         QMenu *menu_view = new QMenu;
 162         menu_view->setTitle(QApplication::translate(
 163                 "MainWindow", "&View", 0, QApplication::UnicodeUTF8));
 164
 165         QAction *const action_view_zoom_in = new QAction(this);
 166         action_view_zoom_in->setText(QApplication::translate(
 167                 "MainWindow", "Zoom &In", 0, QApplication::UnicodeUTF8));
 168         action_view_zoom_in->setIcon(QIcon::fromTheme("zoom-in",
 169                 QIcon(":/icons/zoom-in.png")));
 170         // simply using Qt::Key_Plus shows no + in the menu
 171         action_view_zoom_in->setShortcut(QKeySequence::ZoomIn);
 172         action_view_zoom_in->setObjectName(
 173                 QString::fromUtf8("actionViewZoomIn"));
 174         menu_view->addAction(action_view_zoom_in);
 175
 176         QAction *const action_view_zoom_out = new QAction(this);
 177         action_view_zoom_out->setText(QApplication::translate(
 178                 "MainWindow", "Zoom &Out", 0, QApplication::UnicodeUTF8));
 179         action_view_zoom_out->setIcon(QIcon::fromTheme("zoom-out",
 180                 QIcon(":/icons/zoom-out.png")));
 181         action_view_zoom_out->setShortcut(QKeySequence::ZoomOut);
 182         action_view_zoom_out->setObjectName(
 183                 QString::fromUtf8("actionViewZoomOut"));
 184         menu_view->addAction(action_view_zoom_out);
 185
 186         QAction *const action_view_zoom_fit = new QAction(this);
 187         action_view_zoom_fit->setText(QApplication::translate(
 188                 "MainWindow", "Zoom to &Fit", 0, QApplication::UnicodeUTF8));
 189         action_view_zoom_fit->setIcon(QIcon::fromTheme("zoom-fit",
 190                 QIcon(":/icons/zoom-fit.png")));
 191         action_view_zoom_fit->setShortcut(QKeySequence(Qt::Key_F));
 192         action_view_zoom_fit->setObjectName(
 193                 QString::fromUtf8("actionViewZoomFit"));
 194         menu_view->addAction(action_view_zoom_fit);
 195
 196         QAction *const action_view_zoom_one_to_one = new QAction(this);
 197         action_view_zoom_one_to_one->setText(QApplication::translate(
 198                 "MainWindow", "Zoom to &One-to-One", 0,
 199                         QApplication::UnicodeUTF8));
 200         action_view_zoom_one_to_one->setIcon(QIcon::fromTheme("zoom-original",
 201                 QIcon(":/icons/zoom-original.png")));
 202         action_view_zoom_one_to_one->setShortcut(QKeySequence(Qt::Key_O));
 203         action_view_zoom_one_to_one->setObjectName(
 204                 QString::fromUtf8("actionViewZoomOneToOne"));
 205         menu_view->addAction(action_view_zoom_one_to_one);
 206
 207         menu_view->addSeparator();
 208
 209         QAction *action_view_show_cursors = new QAction(this);
 210         action_view_show_cursors->setCheckable(true);
 211         action_view_show_cursors->setChecked(_view->cursors_shown());
 212         action_view_show_cursors->setShortcut(QKeySequence(Qt::Key_C));
 213         action_view_show_cursors->setObjectName(
 214                 QString::fromUtf8("actionViewShowCursors"));
 215         action_view_show_cursors->setText(QApplication::translate(
 216                 "MainWindow", "Show &Cursors", 0, QApplication::UnicodeUTF8));
 217         menu_view->addAction(action_view_show_cursors);
 218
 219         // Decoders Menu
 220 #ifdef ENABLE_DECODE
 221         QMenu *const menu_decoders = new QMenu;
 222         menu_decoders->setTitle(QApplication::translate(
 223                 "MainWindow", "&Decoders", 0, QApplication::UnicodeUTF8));
 224
 225         pv::widgets::DecoderMenu *const menu_decoders_add =
 226                 new pv::widgets::DecoderMenu(menu_decoders, true);
 227         menu_decoders_add->setTitle(QApplication::translate(
 228                 "MainWindow", "&Add", 0, QApplication::UnicodeUTF8));
 229         connect(menu_decoders_add, SIGNAL(decoder_selected(srd_decoder*)),
 230                 this, SLOT(add_decoder(srd_decoder*)));
 231
 232         menu_decoders->addMenu(menu_decoders_add);
 233 #endif
 234
 235         // Help Menu
 236         QMenu *const menu_help = new QMenu;
 237         menu_help->setTitle(QApplication::translate(
 238                 "MainWindow", "&Help", 0, QApplication::UnicodeUTF8));
 239
 240         QAction *const action_about = new QAction(this);
 241         action_about->setObjectName(QString::fromUtf8("actionAbout"));
 242         action_about->setText(QApplication::translate(
 243                 "MainWindow", "&About...", 0, QApplication::UnicodeUTF8));
 244         menu_help->addAction(action_about);
 245
 246         menu_bar->addAction(menu_file->menuAction());
 247         menu_bar->addAction(menu_view->menuAction());
 248 #ifdef ENABLE_DECODE
 249         menu_bar->addAction(menu_decoders->menuAction());
 250 #endif
 251         menu_bar->addAction(menu_help->menuAction());
 252
 253         setMenuBar(menu_bar);
 254         QMetaObject::connectSlotsByName(this);
 255
 256         // Setup the toolbar
 257         QToolBar *const toolbar = new QToolBar(tr("Main Toolbar"), this);
 258         toolbar->addAction(action_open);
 259         toolbar->addAction(action_save_as);
 260         toolbar->addSeparator();
 261         toolbar->addAction(action_view_zoom_in);
 262         toolbar->addAction(action_view_zoom_out);
 263         toolbar->addAction(action_view_zoom_fit);
 264         toolbar->addAction(action_view_zoom_one_to_one);
 265         addToolBar(toolbar);
 266
 267         // Setup the sampling bar
 268         _sampling_bar = new toolbars::SamplingBar(_session, this);
 269
 270         // Populate the device list and select the initially selected device
 271         update_device_list();
 272
 273         connect(_sampling_bar, SIGNAL(run_stop()), this,
 274                 SLOT(run_stop()));
 275         addToolBar(_sampling_bar);
 276
 277         // Set the title
 278         setWindowTitle(QApplication::translate("MainWindow", "PulseView", 0,
 279                 QApplication::UnicodeUTF8));
 280
 281         // Setup _session events
 282         connect(&_session, SIGNAL(capture_state_changed(int)), this,
 283                 SLOT(capture_state_changed(int)));
 284
 285 }
 286
 287 void MainWindow::session_error(
 288         const QString text, const QString info_text)
 289 {
 290         QMetaObject::invokeMethod(this, "show_session_error",
 291                 Qt::QueuedConnection, Q_ARG(QString, text),
 292                 Q_ARG(QString, info_text));
 293 }
 294
 295 void MainWindow::update_device_list()
 296 {
 297         assert(_sampling_bar);
 298
 299         shared_ptr<pv::device::DevInst> selected_device = _session.get_device();
 300         list< shared_ptr<device::DevInst> > devices;
 301         std::copy(_device_manager.devices().begin(),
 302                 _device_manager.devices().end(), std::back_inserter(devices));
 303
 304         if (std::find(devices.begin(), devices.end(), selected_device) ==
 305                 devices.end())
 306                 devices.push_back(selected_device);
 307         assert(selected_device);
 308
 309         _sampling_bar->set_device_list(devices, selected_device);
 310 }
 311
 312 void MainWindow::load_file(QString file_name)
 313 {
 314         const QString errorMessage(
 315                 QString("Failed to load file %1").arg(file_name));
 316         const QString infoMessage;
 317
 318         try {
 319                 _session.set_file(file_name.toStdString());
 320         } catch(QString e) {
 321                 show_session_error(tr("Failed to load ") + file_name, e);
 322                 _session.set_default_device();
 323                 update_device_list();
 324                 return;
 325         }
 326
 327         update_device_list();
 328
 329         _session.start_capture([&, errorMessage, infoMessage](QString) {
 330                 session_error(errorMessage, infoMessage); });
 331 }
 332
 333 void MainWindow::show_session_error(
 334         const QString text, const QString info_text)
 335 {
 336         QMessageBox msg(this);
 337         msg.setText(text);
 338         msg.setInformativeText(info_text);
 339         msg.setStandardButtons(QMessageBox::Ok);
 340         msg.setIcon(QMessageBox::Warning);
 341         msg.exec();
 342 }
 343
 344 void MainWindow::on_actionOpen_triggered()
 345 {
 346         QSettings settings;
 347         const QString dir = settings.value(SettingOpenDirectory).toString();
 348
 349         // Show the dialog
 350         const QString file_name = QFileDialog::getOpenFileName(
 351                 this, tr("Open File"), dir, tr(
 352                         "Sigrok Sessions (*.sr);;"
 353                         "All Files (*.*)"));
 354
 355         if (!file_name.isEmpty()) {
 356                 load_file(file_name);
 357
 358                 const QString abs_path = QFileInfo(file_name).absolutePath();
 359                 settings.setValue(SettingOpenDirectory, abs_path);
 360         }
 361 }
 362
 363 void MainWindow::on_actionSaveAs_triggered()
 364 {
 365         using pv::dialogs::StoreProgress;
 366
 367         // Stop any currently running capture session
 368         _session.stop_capture();
 369
 370         QSettings settings;
 371         const QString dir = settings.value(SettingSaveDirectory).toString();
 372
 373         // Show the dialog
 374         const QString file_name = QFileDialog::getSaveFileName(
 375                 this, tr("Save File"), dir, tr("Sigrok Sessions (*.sr)"));
 376
 377         if (file_name.isEmpty())
 378                 return;
 379
 380         const QString abs_path = QFileInfo(file_name).absolutePath();
 381         settings.setValue(SettingSaveDirectory, abs_path);
 382
 383         StoreProgress *dlg = new StoreProgress(file_name, _session, this);
 384         dlg->run();
 385 }
 386
 387 void MainWindow::on_actionConnect_triggered()
 388 {
 389         // Stop any currently running capture session
 390         _session.stop_capture();
 391
 392         dialogs::Connect dlg(this, _device_manager);
 393
 394         // If the user selected a device, select it in the device list. Select the
 395         // current device otherwise.
 396         if (dlg.exec())
 397                 _session.set_device(dlg.get_selected_device());
 398
 399         update_device_list();
 400 }
 401
 402 void MainWindow::on_actionQuit_triggered()
 403 {
 404         close();
 405 }
 406
 407 void MainWindow::on_actionViewZoomIn_triggered()
 408 {
 409         _view->zoom(1);
 410 }
 411
 412 void MainWindow::on_actionViewZoomOut_triggered()
 413 {
 414         _view->zoom(-1);
 415 }
 416
 417 void MainWindow::on_actionViewZoomFit_triggered()
 418 {
 419         _view->zoom_fit();
 420 }
 421
 422 void MainWindow::on_actionViewZoomOneToOne_triggered()
 423 {
 424         _view->zoom_one_to_one();
 425 }
 426
 427 void MainWindow::on_actionViewShowCursors_triggered()
 428 {
 429         assert(_view);
 430
 431         const bool show = !_view->cursors_shown();
 432         if(show)
 433                 _view->centre_cursors();
 434
 435         _view->show_cursors(show);
 436 }
 437
 438 void MainWindow::on_actionAbout_triggered()
 439 {
 440         dialogs::About dlg(this);
 441         dlg.exec();
 442 }
 443
 444 void MainWindow::add_decoder(srd_decoder *decoder)
 445 {
 446 #ifdef ENABLE_DECODE
 447         assert(decoder);
 448         _session.add_decoder(decoder);
 449 #else
 450         (void)decoder;
 451 #endif
 452 }
 453
 454 void MainWindow::run_stop()
 455 {
 456         switch(_session.get_capture_state()) {
 457         case SigSession::Stopped:
 458                 _session.start_capture([&](QString message) {
 459                         session_error("Capture failed", message); });
 460                 break;
 461
 462         case SigSession::AwaitingTrigger:
 463         case SigSession::Running:
 464                 _session.stop_capture();
 465                 break;
 466         }
 467 }
 468
 469 void MainWindow::capture_state_changed(int state)
 470 {
 471         _sampling_bar->set_capture_state((pv::SigSession::capture_state)state);
 472 }
 473
 474 } // namespace pv