Fix random clazy warnings
[pulseview.git] / pv / mainwindow.cpp
index 91e38729167d98135b8d9755ecdc315042820217..dfabc9a06797f0a080ae16069b16de70f0929280 100644 (file)
@@ -30,6 +30,7 @@
 #include <QAction>
 #include <QApplication>
 #include <QCloseEvent>
+#include <QDebug>
 #include <QDockWidget>
 #include <QHBoxLayout>
 #include <QMessageBox>
 
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
-using std::bind;
 using std::dynamic_pointer_cast;
 using std::make_shared;
-using std::placeholders::_1;
 using std::shared_ptr;
 using std::string;
 
@@ -79,17 +78,7 @@ MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
        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));
-
-       GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowSamplingPoints,
-               bind(&MainWindow::on_settingViewShowSamplingPoints_changed, this, _1));
-
-       GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowAnalogMinorGrid,
-               bind(&MainWindow::on_settingViewShowAnalogMinorGrid_changed, this, _1));
-
-       GlobalSettings settings;
-       settings.set_defaults_where_needed();
+       GlobalSettings::add_change_handler(this);
 
        setup_ui();
        restore_ui_settings();
@@ -97,10 +86,25 @@ MainWindow::MainWindow(DeviceManager &device_manager, QWidget *parent) :
 
 MainWindow::~MainWindow()
 {
+       GlobalSettings::remove_change_handler(this);
+
        while (!sessions_.empty())
                remove_session(sessions_.front());
 }
 
+void MainWindow::show_session_error(const QString text, const QString info_text)
+{
+       // TODO Emulate noquote()
+       qDebug() << "Notifying user of session error:" << info_text;
+
+       QMessageBox msg;
+       msg.setText(text);
+       msg.setInformativeText(info_text);
+       msg.setStandardButtons(QMessageBox::Ok);
+       msg.setIcon(QMessageBox::Warning);
+       msg.exec();
+}
+
 shared_ptr<views::ViewBase> MainWindow::get_active_view() const
 {
        // If there's only one view, use it...
@@ -119,7 +123,7 @@ shared_ptr<views::ViewBase> MainWindow::get_active_view() const
        }
 
        // Get the view contained in the dock widget
-       for (auto entry : view_docks_)
+       for (auto& entry : view_docks_)
                if (entry.first == dock)
                        return entry.second;
 
@@ -133,7 +137,7 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
        shared_ptr<views::ViewBase> v;
 
        QMainWindow *main_window = nullptr;
-       for (auto entry : session_windows_)
+       for (auto& entry : session_windows_)
                if (entry.first.get() == &session)
                        main_window = entry.second;
 
@@ -168,8 +172,8 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
                QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
 
        QAbstractButton *close_btn =
-               dock->findChildren<QAbstractButton*>
-                       ("qt_dockwidget_closebutton").front();
+               dock->findChildren<QAbstractButton*>("qt_dockwidget_closebutton")
+                       .front();  // clazy:exclude=detaching-temporary
 
        connect(close_btn, SIGNAL(clicked(bool)),
                this, SLOT(on_view_close_clicked()));
@@ -182,7 +186,7 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
                views::trace::View *tv =
                        qobject_cast<views::trace::View*>(v.get());
 
-               tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
+               tv->enable_colored_bg(settings.value(GlobalSettings::Key_View_ColoredBG).toBool());
                tv->enable_show_sampling_points(settings.value(GlobalSettings::Key_View_ShowSamplingPoints).toBool());
                tv->enable_show_analog_minor_grid(settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool());
 
@@ -222,7 +226,7 @@ void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
                        continue;
 
                // Find the dock the view is contained in and remove it
-               for (auto entry : view_docks_)
+               for (auto& entry : view_docks_)
                        if (entry.second == view) {
                                // Remove the view from the session
                                session->deregister_view(view);
@@ -290,7 +294,7 @@ void MainWindow::remove_session(shared_ptr<Session> session)
        session->stop_capture();
        QApplication::processEvents();
 
-       for (shared_ptr<views::ViewBase> view : session->views())
+       for (const shared_ptr<views::ViewBase>& view : session->views())
                remove_view(view);
 
        QMainWindow *window = session_windows_.at(session);
@@ -310,7 +314,7 @@ void MainWindow::remove_session(shared_ptr<Session> session)
                // drops to zero. We must prevent this to keep the static
                // widgets visible
                for (QWidget *w : static_tab_widget_->findChildren<QWidget*>())
-                       w->setMinimumHeight(h);
+                       w->setMinimumHeight(h);  // clazy:exclude=range-loop
 
                int margin = static_tab_widget_->layout()->contentsMargins().bottom();
                static_tab_widget_->setMinimumHeight(h + 2 * margin);
@@ -342,7 +346,7 @@ void MainWindow::add_default_session()
        // one of the auto detected devices that are not the demo device.
        // Pick demo in the absence of "genuine" hardware devices.
        shared_ptr<devices::HardwareDevice> user_device, other_device, demo_device;
-       for (shared_ptr<devices::HardwareDevice> dev : device_manager_.devices()) {
+       for (const shared_ptr<devices::HardwareDevice>& dev : device_manager_.devices()) {
                if (dev == device_manager_.user_spec_device()) {
                        user_device = dev;
                } else if (dev->hardware_device()->driver()->name() == "demo") {
@@ -364,7 +368,7 @@ void MainWindow::save_sessions()
        QSettings settings;
        int id = 0;
 
-       for (shared_ptr<Session> session : sessions_) {
+       for (shared_ptr<Session>& session : sessions_) {
                // Ignore sessions using the demo device or no device at all
                if (session->device()) {
                        shared_ptr<devices::HardwareDevice> device =
@@ -400,6 +404,18 @@ void MainWindow::restore_sessions()
        }
 }
 
+void MainWindow::on_setting_changed(const QString &key, const QVariant &value)
+{
+       if (key == GlobalSettings::Key_View_ColoredBG)
+               on_settingViewColoredBg_changed(value);
+
+       if (key == GlobalSettings::Key_View_ShowSamplingPoints)
+               on_settingViewShowSamplingPoints_changed(value);
+
+       if (key == GlobalSettings::Key_View_ShowAnalogMinorGrid)
+               on_settingViewShowAnalogMinorGrid_changed(value);
+}
+
 void MainWindow::setup_ui()
 {
        setObjectName(QString::fromUtf8("MainWindow"));
@@ -420,8 +436,8 @@ void MainWindow::setup_ui()
        view_show_analog_minor_grid_shortcut_ = new QShortcut(QKeySequence(Qt::Key_G), this, SLOT(on_view_show_analog_minor_grid_shortcut()));
        view_show_analog_minor_grid_shortcut_->setAutoRepeat(false);
 
-       view_coloured_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_coloured_bg_shortcut()));
-       view_coloured_bg_shortcut_->setAutoRepeat(false);
+       view_colored_bg_shortcut_ = new QShortcut(QKeySequence(Qt::Key_B), this, SLOT(on_view_colored_bg_shortcut()));
+       view_colored_bg_shortcut_->setAutoRepeat(false);
 
        // Set up the tab area
        new_session_button_ = new QToolButton();
@@ -516,7 +532,7 @@ void MainWindow::restore_ui_settings()
 shared_ptr<Session> MainWindow::get_tab_session(int index) const
 {
        // Find the session that belongs to the tab's main window
-       for (auto entry : session_windows_)
+       for (auto& entry : session_windows_)
                if (entry.second == session_selector_.widget(index))
                        return entry.first;
 
@@ -527,7 +543,7 @@ void MainWindow::closeEvent(QCloseEvent *event)
 {
        bool data_saved = true;
 
-       for (auto entry : session_windows_)
+       for (auto& entry : session_windows_)
                if (!entry.first->data_saved())
                        data_saved = false;
 
@@ -558,28 +574,11 @@ bool MainWindow::restoreState(const QByteArray &state, int version)
        return false;
 }
 
-void MainWindow::session_error(const QString text, const QString info_text)
-{
-       QMetaObject::invokeMethod(this, "show_session_error",
-               Qt::QueuedConnection, Q_ARG(QString, text),
-               Q_ARG(QString, info_text));
-}
-
-void MainWindow::show_session_error(const QString text, const QString info_text)
-{
-       QMessageBox msg(this);
-       msg.setText(text);
-       msg.setInformativeText(info_text);
-       msg.setStandardButtons(QMessageBox::Ok);
-       msg.setIcon(QMessageBox::Warning);
-       msg.exec();
-}
-
 void MainWindow::on_add_view(const QString &title, views::ViewType type,
        Session *session)
 {
        // We get a pointer and need a reference
-       for (shared_ptr<Session> s : sessions_)
+       for (shared_ptr<Session>& s : sessions_)
                if (s.get() == session)
                        add_view(title, type, *s);
 }
@@ -636,7 +635,7 @@ void MainWindow::on_run_stop_clicked()
        switch (session->get_capture_state()) {
        case Session::Stopped:
                session->start_capture([&](QString message) {
-                       session_error("Capture failed", message); });
+                       show_session_error("Capture failed", message); });
                break;
        case Session::AwaitingTrigger:
        case Session::Running:
@@ -657,9 +656,9 @@ void MainWindow::on_session_name_changed()
        Session *session = qobject_cast<Session*>(QObject::sender());
        assert(session);
 
-       for (shared_ptr<views::ViewBase> view : session->views()) {
+       for (const shared_ptr<views::ViewBase>& view : session->views()) {
                // Get the dock that contains the view
-               for (auto entry : view_docks_)
+               for (auto& entry : view_docks_)
                        if (entry.second == view) {
                                entry.first->setObjectName(session->name());
                                entry.first->setWindowTitle(session->name());
@@ -667,7 +666,7 @@ void MainWindow::on_session_name_changed()
        }
 
        // Update the tab widget by finding the main window and the tab from that
-       for (auto entry : session_windows_)
+       for (auto& entry : session_windows_)
                if (entry.first.get() == session) {
                        QMainWindow *window = entry.second;
                        const int index = session_selector_.indexOf(window);
@@ -699,7 +698,7 @@ void MainWindow::on_capture_state_changed(QObject *obj)
 void MainWindow::on_new_view(Session *session)
 {
        // We get a pointer and need a reference
-       for (shared_ptr<Session> s : sessions_)
+       for (shared_ptr<Session>& s : sessions_)
                if (s.get() == session)
                        add_view(session->name(), views::ViewTypeTrace, *s);
 }
@@ -720,7 +719,7 @@ void MainWindow::on_view_close_clicked()
        // Get the view contained in the dock widget
        shared_ptr<views::ViewBase> view;
 
-       for (auto entry : view_docks_)
+       for (auto& entry : view_docks_)
                if (entry.first == dock)
                        view = entry.second;
 
@@ -764,12 +763,12 @@ void MainWindow::on_tab_close_requested(int index)
                remove_session(session);
 }
 
-void MainWindow::on_view_coloured_bg_shortcut()
+void MainWindow::on_view_colored_bg_shortcut()
 {
        GlobalSettings settings;
 
-       bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
-       settings.setValue(GlobalSettings::Key_View_ColouredBG, !state);
+       bool state = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
+       settings.setValue(GlobalSettings::Key_View_ColoredBG, !state);
 }
 
 void MainWindow::on_view_sticky_scrolling_shortcut()
@@ -796,18 +795,18 @@ void MainWindow::on_view_show_analog_minor_grid_shortcut()
        settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
 }
 
-void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
+void MainWindow::on_settingViewColoredBg_changed(const QVariant new_value)
 {
        bool state = new_value.toBool();
 
-       for (auto entry : view_docks_) {
+       for (auto& entry : view_docks_) {
                shared_ptr<views::ViewBase> viewbase = entry.second;
 
                // Only trace views have this setting
                views::trace::View* view =
                                qobject_cast<views::trace::View*>(viewbase.get());
                if (view)
-                       view->enable_coloured_bg(state);
+                       view->enable_colored_bg(state);
        }
 }
 
@@ -815,7 +814,7 @@ void MainWindow::on_settingViewShowSamplingPoints_changed(const QVariant new_val
 {
        bool state = new_value.toBool();
 
-       for (auto entry : view_docks_) {
+       for (auto& entry : view_docks_) {
                shared_ptr<views::ViewBase> viewbase = entry.second;
 
                // Only trace views have this setting
@@ -830,7 +829,7 @@ void MainWindow::on_settingViewShowAnalogMinorGrid_changed(const QVariant new_va
 {
        bool state = new_value.toBool();
 
-       for (auto entry : view_docks_) {
+       for (auto& entry : view_docks_) {
                shared_ptr<views::ViewBase> viewbase = entry.second;
 
                // Only trace views have this setting