Tie the "sticky scrolling" setting in with the settings mgmt
[pulseview.git] / pv / mainwindow.cpp
index 2f9ab323008948395f3496e5e14bf39bb0a23736..9164c6e82ac0e330623ff8105db4a6c92a311d24 100644 (file)
  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <cassert>
-
 #ifdef ENABLE_DECODE
 #include <libsigrokdecode/libsigrokdecode.h>
 #endif
 
+#include <cassert>
 #include <algorithm>
 #include <iterator>
+#include <cstdint>
+#include <cstdarg>
 
 #include <QAction>
 #include <QApplication>
 #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"
 
-#include <stdint.h>
-#include <stdarg.h>
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
 using std::dynamic_pointer_cast;
@@ -79,7 +77,6 @@ MainWindow::MainWindow(DeviceManager &device_manager,
        device_manager_(device_manager),
        session_selector_(this),
        session_state_mapper_(this),
-       action_about_(new QAction(this)),
        icon_red_(":/icons/status-red.svg"),
        icon_green_(":/icons/status-green.svg"),
        icon_grey_(":/icons/status-grey.svg")
@@ -89,6 +86,8 @@ MainWindow::MainWindow(DeviceManager &device_manager,
 
        GlobalSettings::register_change_handler(GlobalSettings::Key_View_ColouredBG,
                bind(&MainWindow::on_settingViewColouredBg_changed, this, _1));
+       GlobalSettings::register_change_handler(GlobalSettings::Key_View_StickyScrolling,
+               bind(&MainWindow::on_settingViewStickyScrolling_changed, this, _1));
 
        setup_ui();
        restore_ui_settings();
@@ -125,11 +124,6 @@ MainWindow::~MainWindow()
                remove_session(sessions_.front());
 }
 
-QAction* MainWindow::action_about() const
-{
-       return action_about_;
-}
-
 shared_ptr<views::ViewBase> MainWindow::get_active_view() const
 {
        // If there's only one view, use it...
@@ -138,7 +132,7 @@ shared_ptr<views::ViewBase> MainWindow::get_active_view() const
 
        // ...otherwise find the dock widget the widget with focus is contained in
        QObject *w = QApplication::focusWidget();
-       QDockWidget *dock = 0;
+       QDockWidget *dock = nullptr;
 
        while (w) {
            dock = qobject_cast<QDockWidget*>(w);
@@ -168,6 +162,8 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
 
        assert(main_window);
 
+       shared_ptr<MainBar> main_bar = session.main_bar();
+
        QDockWidget* dock = new QDockWidget(title, main_window);
        dock->setObjectName(title);
        main_window->addDockWidget(Qt::TopDockWidgetArea, dock);
@@ -177,7 +173,9 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
        dock_main->setWindowFlags(Qt::Widget);  // Remove Qt::Window flag
 
        if (type == views::ViewTypeTrace)
-               v =     make_shared<views::TraceView::View>(session, dock_main);
+               // 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);
 
        if (!v)
                return nullptr;
@@ -209,7 +207,6 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
                tv->enable_sticky_scrolling(true);
                tv->enable_coloured_bg(settings.value(GlobalSettings::Key_View_ColouredBG).toBool());
 
-               shared_ptr<MainBar> main_bar = session.main_bar();
                if (!main_bar) {
                        /* Initial view, create the main bar */
                        main_bar = make_shared<MainBar>(session, this, tv);
@@ -255,7 +252,7 @@ void MainWindow::remove_view(shared_ptr<views::ViewBase> view)
                                // call deleteLater() on it, which causes a double free
                                // since the shared_ptr in view_docks_ doesn't know
                                // that Qt keeps a pointer to the view around
-                               view->setParent(0);
+                               view->setParent(nullptr);
 
                                // Delete the view's dock widget and all widgets inside it
                                entry.first->deleteLater();
@@ -352,9 +349,6 @@ void MainWindow::setup_ui()
        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..."));
-
        // Set up the tab area
        new_session_button_ = new QToolButton();
        new_session_button_->setIcon(QIcon::fromTheme("document-new",
@@ -609,7 +603,7 @@ void MainWindow::on_run_stop_clicked()
 
 void MainWindow::on_settings_clicked()
 {
-       dialogs::Settings dlg;
+       dialogs::Settings dlg(device_manager_);
        dlg.exec();
 }
 
@@ -670,7 +664,7 @@ void MainWindow::on_view_close_clicked()
 {
        // Find the dock widget that contains the close button that was clicked
        QObject *w = QObject::sender();
-       QDockWidget *dock = 0;
+       QDockWidget *dock = nullptr;
 
        while (w) {
            dock = qobject_cast<QDockWidget*>(w);
@@ -725,15 +719,6 @@ void MainWindow::on_tab_close_requested(int index)
                remove_session(session);
 }
 
-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->toggle_sticky_scrolling();
-}
-
 void MainWindow::on_view_coloured_bg_shortcut()
 {
        GlobalSettings settings;
@@ -742,6 +727,14 @@ void MainWindow::on_view_coloured_bg_shortcut()
        settings.setValue(GlobalSettings::Key_View_ColouredBG, !state);
 }
 
+void MainWindow::on_view_sticky_scrolling_shortcut()
+{
+       GlobalSettings settings;
+
+       bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
+       settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
+}
+
 void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
 {
        bool state = new_value.toBool();
@@ -757,10 +750,19 @@ void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
        }
 }
 
-void MainWindow::on_actionAbout_triggered()
+void MainWindow::on_settingViewStickyScrolling_changed(const QVariant new_value)
 {
-       dialogs::About dlg(device_manager_.context(), this);
-       dlg.exec();
+       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_sticky_scrolling(state);
+       }
 }
 
 void MainWindow::on_close_current_tab()