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 <cassert>
  22
  23 #ifdef ENABLE_DECODE
  24 #include <libsigrokdecode/libsigrokdecode.h>
  25 #endif
  26
  27 #include <algorithm>
  28 #include <iterator>
  29
  30 #include <QAction>
  31 #include <QApplication>
  32 #include <QCloseEvent>
  33 #include <QDockWidget>
  34 #include <QSettings>
  35 #include <QWidget>
  36
  37 #include "mainwindow.hpp"
  38
  39 #include "devicemanager.hpp"
  40 #include "util.hpp"
  41 #include "dialogs/about.hpp"
  42 #include "toolbars/mainbar.hpp"
  43 #include "view/view.hpp"
  44
  45 #include <stdint.h>
  46 #include <stdarg.h>
  47 #include <libsigrokcxx/libsigrokcxx.hpp>
  48
  49 using std::list;
  50 using std::make_shared;
  51 using std::map;
  52 using std::shared_ptr;
  53 using std::string;
  54
  55 namespace pv {
  56
  57 namespace view {
  58 class ViewItem;
  59 }
  60
  61 using toolbars::MainBar;
  62
  63 MainWindow::MainWindow(DeviceManager &device_manager,
  64         string open_file_name, string open_file_format,
  65         QWidget *parent) :
  66         QMainWindow(parent),
  67         device_manager_(device_manager),
  68         session_(device_manager),
  69         open_file_name_(open_file_name),
  70         open_file_format_(open_file_format),
  71         action_view_sticky_scrolling_(new QAction(this)),
  72         action_view_coloured_bg_(new QAction(this)),
  73         action_about_(new QAction(this))
  74 {
  75         qRegisterMetaType<util::Timestamp>("util::Timestamp");
  76
  77         setup_ui();
  78         restore_ui_settings();
  79 }
  80
  81 MainWindow::~MainWindow()
  82 {
  83         for (auto entry : view_docks_) {
  84
  85                 const std::shared_ptr<QDockWidget> dock = entry.first;
  86
  87                 // Remove view from the dock widget's QMainWindow
  88                 QMainWindow *dock_main = dynamic_cast<QMainWindow*>(dock->widget());
  89                 dock_main->setCentralWidget(0);
  90
  91                 // Remove the QMainWindow
  92                 dock->setWidget(0);
  93
  94                 const std::shared_ptr<pv::view::View> view = entry.second;
  95                 session_.deregister_view(view);
  96         }
  97 }
  98
  99 QAction* MainWindow::action_view_sticky_scrolling() const
 100 {
 101         return action_view_sticky_scrolling_;
 102 }
 103
 104 QAction* MainWindow::action_view_coloured_bg() const
 105 {
 106         return action_view_coloured_bg_;
 107 }
 108
 109 QAction* MainWindow::action_about() const
 110 {
 111         return action_about_;
 112 }
 113
 114 shared_ptr<pv::view::View> MainWindow::get_active_view() const
 115 {
 116         // If there's only one view, use it...
 117         if (view_docks_.size() == 1)
 118                 return view_docks_.begin()->second;
 119
 120         // ...otherwise find the dock widget the widget with focus is contained in
 121         QObject *w = QApplication::focusWidget();
 122         QDockWidget *dock = 0;
 123
 124         while (w) {
 125             dock = qobject_cast<QDockWidget*>(w);
 126             if (dock)
 127                 break;
 128             w = w->parent();
 129         }
 130
 131         // Get the view contained in the dock widget
 132         for (auto entry : view_docks_)
 133                 if (entry.first.get() == dock)
 134                         return entry.second;
 135
 136         return shared_ptr<pv::view::View>();
 137 }
 138
 139 shared_ptr<pv::view::View> MainWindow::add_view(const QString &title,
 140         view::ViewType type, Session &session)
 141 {
 142         shared_ptr<pv::view::View> v;
 143
 144         if (type == pv::view::TraceView) {
 145                 shared_ptr<QDockWidget> dock = make_shared<QDockWidget>(title, this);
 146                 dock->setObjectName(title);
 147                 addDockWidget(Qt::TopDockWidgetArea, dock.get());
 148
 149                 // Insert a QMainWindow into the dock widget to allow for a tool bar
 150                 QMainWindow *dock_main = new QMainWindow(dock.get());
 151                 dock_main->setWindowFlags(Qt::Widget);  // Remove Qt::Window flag
 152
 153                 v = make_shared<pv::view::View>(session, dock_main);
 154                 view_docks_[dock] = v;
 155                 session.register_view(v);
 156
 157                 dock_main->setCentralWidget(v.get());
 158                 dock->setWidget(dock_main);
 159
 160                 dock->setFeatures(QDockWidget::DockWidgetMovable |
 161                         QDockWidget::DockWidgetFloatable);
 162
 163                 if (type == view::TraceView) {
 164                         connect(&session, SIGNAL(trigger_event(util::Timestamp)), v.get(),
 165                                 SLOT(trigger_event(util::Timestamp)));
 166                         connect(v.get(), SIGNAL(sticky_scrolling_changed(bool)), this,
 167                                 SLOT(sticky_scrolling_changed(bool)));
 168                         connect(v.get(), SIGNAL(always_zoom_to_fit_changed(bool)), this,
 169                                 SLOT(always_zoom_to_fit_changed(bool)));
 170
 171                         v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 172                         v->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 173
 174                         shared_ptr<MainBar> main_bar = session.main_bar();
 175                         if (!main_bar) {
 176                                 main_bar = make_shared<MainBar>(session_, *this,
 177                                         open_file_name_, open_file_format_);
 178                                 dock_main->addToolBar(main_bar.get());
 179                                 session.set_main_bar(main_bar);
 180
 181                                 open_file_name_.clear();
 182                                 open_file_format_.clear();
 183                         }
 184                         main_bar->action_view_show_cursors()->setChecked(v->cursors_shown());
 185                 }
 186         }
 187
 188         return v;
 189 }
 190
 191 void MainWindow::setup_ui()
 192 {
 193         setObjectName(QString::fromUtf8("MainWindow"));
 194
 195         // Set the window icon
 196         QIcon icon;
 197         icon.addFile(QString(":/icons/sigrok-logo-notext.png"));
 198         setWindowIcon(icon);
 199
 200         action_view_sticky_scrolling_->setCheckable(true);
 201         action_view_sticky_scrolling_->setChecked(true);
 202         action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
 203         action_view_sticky_scrolling_->setObjectName(
 204                 QString::fromUtf8("actionViewStickyScrolling"));
 205         action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
 206
 207         action_view_coloured_bg_->setCheckable(true);
 208         action_view_coloured_bg_->setChecked(true);
 209         action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B));
 210         action_view_coloured_bg_->setObjectName(
 211                 QString::fromUtf8("actionViewColouredBg"));
 212         action_view_coloured_bg_->setText(tr("Use &coloured backgrounds"));
 213
 214         action_about_->setObjectName(QString::fromUtf8("actionAbout"));
 215         action_about_->setText(tr("&About..."));
 216
 217         // Set up the initial view
 218         shared_ptr<view::View> main_view =
 219                 add_view(tr("Untitled"), pv::view::TraceView, session_);
 220
 221         // Set the title
 222         setWindowTitle(tr("PulseView"));
 223 }
 224
 225 void MainWindow::save_ui_settings()
 226 {
 227         QSettings settings;
 228
 229         map<string, string> dev_info;
 230         list<string> key_list;
 231
 232         settings.beginGroup("MainWindow");
 233         settings.setValue("state", saveState());
 234         settings.setValue("geometry", saveGeometry());
 235         settings.endGroup();
 236
 237         if (session_.device()) {
 238                 settings.beginGroup("Device");
 239                 key_list.push_back("vendor");
 240                 key_list.push_back("model");
 241                 key_list.push_back("version");
 242                 key_list.push_back("serial_num");
 243                 key_list.push_back("connection_id");
 244
 245                 dev_info = device_manager_.get_device_info(
 246                         session_.device());
 247
 248                 for (string key : key_list) {
 249                         if (dev_info.count(key))
 250                                 settings.setValue(QString::fromUtf8(key.c_str()),
 251                                                 QString::fromUtf8(dev_info.at(key).c_str()));
 252                         else
 253                                 settings.remove(QString::fromUtf8(key.c_str()));
 254                 }
 255
 256                 settings.endGroup();
 257         }
 258 }
 259
 260 void MainWindow::restore_ui_settings()
 261 {
 262         QSettings settings;
 263
 264         settings.beginGroup("MainWindow");
 265
 266         if (settings.contains("geometry")) {
 267                 restoreGeometry(settings.value("geometry").toByteArray());
 268                 restoreState(settings.value("state").toByteArray());
 269         } else
 270                 resize(1000, 720);
 271
 272         settings.endGroup();
 273 }
 274
 275 void MainWindow::closeEvent(QCloseEvent *event)
 276 {
 277         save_ui_settings();
 278         event->accept();
 279 }
 280
 281 QMenu* MainWindow::createPopupMenu()
 282 {
 283         return nullptr;
 284 }
 285
 286 bool MainWindow::restoreState(const QByteArray &state, int version)
 287 {
 288         (void)state;
 289         (void)version;
 290
 291         // Do nothing. We don't want Qt to handle this, or else it
 292         // will try to restore all the dock widgets and create havoc.
 293
 294         return false;
 295 }
 296
 297 void MainWindow::on_actionViewStickyScrolling_triggered()
 298 {
 299         shared_ptr<pv::view::View> view = get_active_view();
 300         if (view)
 301                 view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
 302 }
 303
 304 void MainWindow::on_actionViewColouredBg_triggered()
 305 {
 306         shared_ptr<pv::view::View> view = get_active_view();
 307         if (view)
 308                 view->enable_coloured_bg(action_view_coloured_bg_->isChecked());
 309 }
 310
 311 void MainWindow::on_actionAbout_triggered()
 312 {
 313         dialogs::About dlg(device_manager_.context(), this);
 314         dlg.exec();
 315 }
 316
 317 } // namespace pv