]> sigrok.org Git - pulseview.git/blobdiff - pv/mainwindow.cpp
Introduce ViewBase::is_main_view
[pulseview.git] / pv / mainwindow.cpp
index 8aaa1635c737d376321b8ebcb9202572182cde98..985f698f8127f1e6efb2cf5f31ed067ec318c132 100644 (file)
 #include <QMessageBox>
 #include <QSettings>
 #include <QWidget>
+#include <QShortcut>
 
 #include "mainwindow.hpp"
 
 #include "devicemanager.hpp"
+#include "globalsettings.hpp"
 #include "util.hpp"
 #include "devices/hardwaredevice.hpp"
 #include "dialogs/about.hpp"
+#include "dialogs/settings.hpp"
 #include "toolbars/mainbar.hpp"
 #include "view/view.hpp"
 #include "views/trace/standardbar.hpp"
@@ -64,6 +67,9 @@ class ViewItem;
 
 using toolbars::MainBar;
 
+using std::bind;
+using std::placeholders::_1;
+
 const QString MainWindow::WindowTitle = tr("PulseView");
 
 MainWindow::MainWindow(DeviceManager &device_manager,
@@ -73,14 +79,16 @@ MainWindow::MainWindow(DeviceManager &device_manager,
        device_manager_(device_manager),
        session_selector_(this),
        session_state_mapper_(this),
-       action_view_sticky_scrolling_(new QAction(this)),
-       action_view_coloured_bg_(new QAction(this)),
        action_about_(new QAction(this)),
        icon_red_(":/icons/status-red.svg"),
        icon_green_(":/icons/status-green.svg"),
        icon_grey_(":/icons/status-grey.svg")
 {
        qRegisterMetaType<util::Timestamp>("util::Timestamp");
+       qRegisterMetaType<uint64_t>("uint64_t");
+
+       GlobalSettings::register_change_handler(GlobalSettings::Key_View_ColouredBG,
+               bind(&MainWindow::on_settingViewColouredBg_changed, this, _1));
 
        setup_ui();
        restore_ui_settings();
@@ -117,16 +125,6 @@ MainWindow::~MainWindow()
                remove_session(sessions_.front());
 }
 
-QAction* MainWindow::action_view_sticky_scrolling() const
-{
-       return action_view_sticky_scrolling_;
-}
-
-QAction* MainWindow::action_view_coloured_bg() const
-{
-       return action_view_coloured_bg_;
-}
-
 QAction* MainWindow::action_about() const
 {
        return action_about_;
@@ -160,6 +158,9 @@ shared_ptr<views::ViewBase> MainWindow::get_active_view() const
 shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
        views::ViewType type, Session &session)
 {
+       GlobalSettings settings;
+       shared_ptr<views::ViewBase> v;
+
        QMainWindow *main_window = nullptr;
        for (auto entry : session_windows_)
                if (entry.first.get() == &session)
@@ -167,66 +168,78 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
 
        assert(main_window);
 
-       if (type == views::ViewTypeTrace) {
-               QDockWidget* dock = new QDockWidget(title, main_window);
-               dock->setObjectName(title);
-               main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
-
-               // Insert a QMainWindow into the dock widget to allow for a tool bar
-               QMainWindow *dock_main = new QMainWindow(dock);
-               dock_main->setWindowFlags(Qt::Widget);  // Remove Qt::Window flag
+       shared_ptr<MainBar> main_bar = session.main_bar();
 
-               shared_ptr<views::TraceView::View> v =
-                       make_shared<views::TraceView::View>(session, dock_main);
-               view_docks_[dock] = v;
-               session.register_view(v);
+       QDockWidget* dock = new QDockWidget(title, main_window);
+       dock->setObjectName(title);
+       main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
 
-               dock_main->setCentralWidget(v.get());
-               dock->setWidget(dock_main);
+       // Insert a QMainWindow into the dock widget to allow for a tool bar
+       QMainWindow *dock_main = new QMainWindow(dock);
+       dock_main->setWindowFlags(Qt::Widget);  // Remove Qt::Window flag
 
-               dock->setFeatures(QDockWidget::DockWidgetMovable |
-                       QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
+       if (type == views::ViewTypeTrace)
+               // This view will be the main view if there's no main bar yet
+               v = make_shared<views::TraceView::View>(session,
+                       (main_bar ? false : true), dock_main);
 
-               QAbstractButton *close_btn =
-                       dock->findChildren<QAbstractButton*>
-                               ("qt_dockwidget_closebutton").front();
+       if (!v)
+               return nullptr;
 
-               connect(close_btn, SIGNAL(clicked(bool)),
-                       this, SLOT(on_view_close_clicked()));
+       view_docks_[dock] = v;
+       session.register_view(v);
 
-               if (type == views::ViewTypeTrace) {
-                       connect(&session, SIGNAL(trigger_event(util::Timestamp)),
-                               qobject_cast<views::ViewBase*>(v.get()),
-                               SLOT(trigger_event(util::Timestamp)));
+       dock_main->setCentralWidget(v.get());
+       dock->setWidget(dock_main);
 
-                       v->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
-                       v->enable_coloured_bg(action_view_coloured_bg_->isChecked());
+       dock->setFeatures(QDockWidget::DockWidgetMovable |
+               QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
 
-                       shared_ptr<MainBar> main_bar = session.main_bar();
-                       if (!main_bar) {
-                               /* Initial view, create the main bar */
-                               main_bar = make_shared<MainBar>(session, this, v.get());
-                               dock_main->addToolBar(main_bar.get());
-                               session.set_main_bar(main_bar);
+       QAbstractButton *close_btn =
+               dock->findChildren<QAbstractButton*>
+                       ("qt_dockwidget_closebutton").front();
 
-                               connect(main_bar.get(), SIGNAL(new_view(Session*)),
-                                       this, SLOT(on_new_view(Session*)));
+       connect(close_btn, SIGNAL(clicked(bool)),
+               this, SLOT(on_view_close_clicked()));
 
-                               main_bar->action_view_show_cursors()->setChecked(v->cursors_shown());
-                       } else {
-                               /* Additional view, create a standard bar */
-                               pv::views::trace::StandardBar *standard_bar =
-                                       new pv::views::trace::StandardBar(session, this, v.get());
-                               dock_main->addToolBar(standard_bar);
+       connect(&session, SIGNAL(trigger_event(util::Timestamp)),
+               qobject_cast<views::ViewBase*>(v.get()),
+               SLOT(trigger_event(util::Timestamp)));
 
-                               standard_bar->action_view_show_cursors()->setChecked(v->cursors_shown());
-                       }
+       if (type == views::ViewTypeTrace) {
+               views::TraceView::View *tv =
+                       qobject_cast<views::TraceView::View*>(v.get());
+
+               tv->enable_sticky_scrolling(true);
+               tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
+
+               if (!main_bar) {
+                       /* Initial view, create the main bar */
+                       main_bar = make_shared<MainBar>(session, this, tv);
+                       dock_main->addToolBar(main_bar.get());
+                       session.set_main_bar(main_bar);
+
+                       connect(main_bar.get(), SIGNAL(new_view(Session*)),
+                               this, SLOT(on_new_view(Session*)));
+
+                       main_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
+
+                       /* For the main view we need to prevent the dock widget from
+                        * closing itself when its close button is clicked. This is
+                        * so we can confirm with the user first. Regular views don't
+                        * need this */
+                       close_btn->disconnect(SIGNAL(clicked()), dock, SLOT(close()));
+               } else {
+                       /* Additional view, create a standard bar */
+                       pv::views::trace::StandardBar *standard_bar =
+                               new pv::views::trace::StandardBar(session, this, tv);
+                       dock_main->addToolBar(standard_bar);
+
+                       standard_bar->action_view_show_cursors()->setChecked(tv->cursors_shown());
                }
-
-               return v;
        }
 
-       return nullptr;
+       return v;
 }
 
 void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
@@ -260,7 +273,7 @@ void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
 shared_ptr<Session> MainWindow::add_session()
 {
        static int last_session_id = 1;
-       QString name = tr("Untitled-%1").arg(last_session_id++);
+       QString name = tr("Session %1").arg(last_session_id++);
 
        shared_ptr<Session> session = make_shared<Session>(device_manager_, name);
 
@@ -336,19 +349,11 @@ void MainWindow::setup_ui()
        icon.addFile(QString(":/icons/sigrok-logo-notext.png"));
        setWindowIcon(icon);
 
-       action_view_sticky_scrolling_->setCheckable(true);
-       action_view_sticky_scrolling_->setChecked(true);
-       action_view_sticky_scrolling_->setShortcut(QKeySequence(Qt::Key_S));
-       action_view_sticky_scrolling_->setObjectName(
-               QString::fromUtf8("actionViewStickyScrolling"));
-       action_view_sticky_scrolling_->setText(tr("&Sticky Scrolling"));
+       view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
+       view_sticky_scrolling_shortcut_->setAutoRepeat(false);
 
-       action_view_coloured_bg_->setCheckable(true);
-       action_view_coloured_bg_->setChecked(true);
-       action_view_coloured_bg_->setShortcut(QKeySequence(Qt::Key_B));
-       action_view_coloured_bg_->setObjectName(
-               QString::fromUtf8("actionViewColouredBg"));
-       action_view_coloured_bg_->setText(tr("Use &Coloured Backgrounds"));
+       view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut()));
+       view_coloured_bg_shortcut_->setAutoRepeat(false);
 
        action_about_->setObjectName(QString::fromUtf8("actionAbout"));
        action_about_->setToolTip(tr("&About..."));
@@ -363,9 +368,11 @@ void MainWindow::setup_ui()
        run_stop_button_ = new QToolButton();
        run_stop_button_->setAutoRaise(true);
        run_stop_button_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-       run_stop_button_->setShortcut(QKeySequence(Qt::Key_Space));
        run_stop_button_->setToolTip(tr("Start/Stop Acquisition"));
 
+       run_stop_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Space), run_stop_button_, SLOT(click()));
+       run_stop_shortcut_->setAutoRepeat(false);
+
        settings_button_ = new QToolButton();
        settings_button_->setIcon(QIcon::fromTheme("configure",
                QIcon(":/icons/configure.png")));
@@ -391,12 +398,19 @@ void MainWindow::setup_ui()
        session_selector_.setCornerWidget(static_tab_widget_, Qt::TopLeftCorner);
        session_selector_.setTabsClosable(true);
 
+       close_application_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this, SLOT(close()));
+       close_application_shortcut_->setAutoRepeat(false);
+
+       close_current_tab_shortcut_ = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this, SLOT(on_close_current_tab()));
+
        connect(new_session_button_, SIGNAL(clicked(bool)),
                this, SLOT(on_new_session_clicked()));
        connect(run_stop_button_, SIGNAL(clicked(bool)),
                this, SLOT(on_run_stop_clicked()));
        connect(&session_state_mapper_, SIGNAL(mapped(QObject*)),
                this, SLOT(on_capture_state_changed(QObject*)));
+       connect(settings_button_, SIGNAL(clicked(bool)),
+               this, SLOT(on_settings_clicked()));
 
        connect(&session_selector_, SIGNAL(tabCloseRequested(int)),
                this, SLOT(on_tab_close_requested(int)));
@@ -477,8 +491,20 @@ std::shared_ptr<Session> MainWindow::get_tab_session(int index) const
 
 void MainWindow::closeEvent(QCloseEvent *event)
 {
-       save_ui_settings();
-       event->accept();
+       bool data_saved = true;
+
+       for (auto entry : session_windows_)
+               if (!entry.first->data_saved())
+                       data_saved = false;
+
+       if (!data_saved && (QMessageBox::question(this, tr("Confirmation"),
+               tr("There is unsaved data. Close anyway?"),
+               QMessageBox::Yes | QMessageBox::No) == QMessageBox::No)) {
+               event->ignore();
+       } else {
+               save_ui_settings();
+               event->accept();
+       }
 }
 
 QMenu* MainWindow::createPopupMenu()
@@ -584,6 +610,12 @@ void MainWindow::on_run_stop_clicked()
        }
 }
 
+void MainWindow::on_settings_clicked()
+{
+       dialogs::Settings dlg;
+       dlg.exec();
+}
+
 void MainWindow::on_session_name_changed()
 {
        // Update the corresponding dock widget's name(s)
@@ -662,11 +694,16 @@ void MainWindow::on_view_close_clicked()
                if (!session->has_view(view))
                        continue;
 
-               // Also destroy the entire session if its main view is closing
+               // Also destroy the entire session if its main view is closing...
                if (view == session->main_view()) {
-                       remove_session(session);
+                       // ...but only if data is saved or the user confirms closing
+                       if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
+                               tr("This session contains unsaved data. Close it anyway?"),
+                               QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
+                               remove_session(session);
                        break;
                } else
+                       // All other views can be closed at any time as no data will be lost
                        remove_view(view);
        }
 }
@@ -681,30 +718,46 @@ void MainWindow::on_tab_changed(int index)
 
 void MainWindow::on_tab_close_requested(int index)
 {
-       // TODO Ask user if this is intended in case data is unsaved
-
        shared_ptr<Session> session = get_tab_session(index);
 
-       if (session)
+       assert(session);
+
+       if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
+               tr("This session contains unsaved data. Close it anyway?"),
+               QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes))
                remove_session(session);
 }
 
-void MainWindow::on_actionViewStickyScrolling_triggered()
+void MainWindow::on_view_sticky_scrolling_shortcut()
 {
        shared_ptr<views::ViewBase> viewbase = get_active_view();
        views::TraceView::View* view =
                qobject_cast<views::TraceView::View*>(viewbase.get());
        if (view)
-               view->enable_sticky_scrolling(action_view_sticky_scrolling_->isChecked());
+               view->toggle_sticky_scrolling();
 }
 
-void MainWindow::on_actionViewColouredBg_triggered()
+void MainWindow::on_view_coloured_bg_shortcut()
 {
-       shared_ptr<views::ViewBase> viewbase = get_active_view();
-       views::TraceView::View* view =
-                       qobject_cast<views::TraceView::View*>(viewbase.get());
-       if (view)
-               view->enable_coloured_bg(action_view_coloured_bg_->isChecked());
+       GlobalSettings settings;
+
+       bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+       settings.setValue(GlobalSettings::Key_View_ColouredBG, !state);
+}
+
+void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
+{
+       bool state = new_value.toBool();
+
+       for (auto entry : view_docks_) {
+               shared_ptr<views::ViewBase> viewbase = entry.second;
+
+               // Only trace views have this setting
+               views::TraceView::View* view =
+                               qobject_cast<views::TraceView::View*>(viewbase.get());
+               if (view)
+                       view->enable_coloured_bg(state);
+       }
 }
 
 void MainWindow::on_actionAbout_triggered()
@@ -713,4 +766,11 @@ void MainWindow::on_actionAbout_triggered()
        dlg.exec();
 }
 
+void MainWindow::on_close_current_tab()
+{
+       int tab = session_selector_.currentIndex();
+
+       on_tab_close_requested(tab);
+}
+
 } // namespace pv