]> sigrok.org Git - pulseview.git/blobdiff - pv/mainwindow.cpp
Fix #970 by making sure the session state handler can be called
[pulseview.git] / pv / mainwindow.cpp
index 2e08d6a471476d9785702c794816b908a89983b3..9a3f197d4c2174edd3a9b814b9b340d1fc695fce 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 <algorithm>
+#include <cassert>
+#include <cstdarg>
+#include <cstdint>
 #include <iterator>
 
 #include <QAction>
 #include <QHBoxLayout>
 #include <QMessageBox>
 #include <QSettings>
-#include <QWidget>
 #include <QShortcut>
+#include <QWidget>
 
 #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 "globalsettings.hpp"
 #include "toolbars/mainbar.hpp"
+#include "util.hpp"
 #include "view/view.hpp"
 #include "views/trace/standardbar.hpp"
 
-#include <stdint.h>
-#include <stdarg.h>
 #include <libsigrokcxx/libsigrokcxx.hpp>
 
+using std::bind;
 using std::dynamic_pointer_cast;
-using std::list;
 using std::make_shared;
 using std::map;
+using std::placeholders::_1;
 using std::shared_ptr;
 using std::string;
 
@@ -67,19 +66,15 @@ class ViewItem;
 
 using toolbars::MainBar;
 
-using std::bind;
-using std::placeholders::_1;
-
 const QString MainWindow::WindowTitle = tr("PulseView");
 
 MainWindow::MainWindow(DeviceManager &device_manager,
        string open_file_name, string open_file_format,
-       QWidget *parent) :
+       bool restore_sessions, QWidget *parent) :
        QMainWindow(parent),
        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")
@@ -90,8 +85,14 @@ 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_ShowSamplingPoints,
+               bind(&MainWindow::on_settingViewShowSamplingPoints_changed, this, _1));
+
+       GlobalSettings::register_change_handler(GlobalSettings::Key_View_ShowAnalogMinorGrid,
+               bind(&MainWindow::on_settingViewShowAnalogMinorGrid_changed, this, _1));
+
        setup_ui();
-       restore_ui_settings();
+       restore_ui_settings(restore_sessions);
 
        if (!open_file_name.empty()) {
                shared_ptr<Session> session = add_session();
@@ -125,11 +126,6 @@ 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...
@@ -141,10 +137,10 @@ shared_ptr<views::ViewBase> MainWindow::get_active_view() const
        QDockWidget *dock = nullptr;
 
        while (w) {
-           dock = qobject_cast<QDockWidget*>(w);
-           if (dock)
-               break;
-           w = w->parent();
+               dock = qobject_cast<QDockWidget*>(w);
+               if (dock)
+                       break;
+               w = w->parent();
        }
 
        // Get the view contained in the dock widget
@@ -192,6 +188,7 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
        dock_main->setCentralWidget(v.get());
        dock->setWidget(dock_main);
 
+       dock->setContextMenuPolicy(Qt::PreventContextMenu);
        dock->setFeatures(QDockWidget::DockWidgetMovable |
                QDockWidget::DockWidgetFloatable | QDockWidget::DockWidgetClosable);
 
@@ -210,8 +207,9 @@ shared_ptr<views::ViewBase> MainWindow::add_view(const QString &title,
                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());
+               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());
 
                if (!main_bar) {
                        /* Initial view, create the main bar */
@@ -305,8 +303,18 @@ shared_ptr<Session> MainWindow::add_session()
 
 void MainWindow::remove_session(shared_ptr<Session> session)
 {
+       // Determine the height of the button before it collapses
        int h = new_session_button_->height();
 
+       // Stop capture while the session still exists so that the UI can be
+       // updated in case we're currently running. If so, this will schedule a
+       // call to our on_capture_state_changed() slot for the next run of the
+       // event loop. We need to have this executed immediately or else it will
+       // be dismissed since the session object will be deleted by the time we
+       // leave this method and the event loop gets a chance to run again.
+       session->stop_capture();
+       QApplication::processEvents();
+
        for (shared_ptr<views::ViewBase> view : session->views())
                remove_view(view);
 
@@ -318,6 +326,7 @@ void MainWindow::remove_session(shared_ptr<Session> session)
        if (last_focused_session_ == session)
                last_focused_session_.reset();
 
+       // Remove the session from our list of sessions (which also destroys it)
        sessions_.remove_if([&](shared_ptr<Session> s) {
                return s == session; });
 
@@ -352,12 +361,15 @@ void MainWindow::setup_ui()
        view_sticky_scrolling_shortcut_ = new QShortcut(QKeySequence(Qt::Key_S), this, SLOT(on_view_sticky_scrolling_shortcut()));
        view_sticky_scrolling_shortcut_->setAutoRepeat(false);
 
+       view_show_sampling_points_shortcut_ = new QShortcut(QKeySequence(Qt::Key_Period), this, SLOT(on_view_show_sampling_points_shortcut()));
+       view_show_sampling_points_shortcut_->setAutoRepeat(false);
+
+       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);
 
-       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",
@@ -374,8 +386,8 @@ void MainWindow::setup_ui()
        run_stop_shortcut_->setAutoRepeat(false);
 
        settings_button_ = new QToolButton();
-       settings_button_->setIcon(QIcon::fromTheme("configure",
-               QIcon(":/icons/configure.png")));
+       settings_button_->setIcon(QIcon::fromTheme("preferences-system",
+               QIcon(":/icons/preferences-system.png")));
        settings_button_->setToolTip(tr("Settings"));
        settings_button_->setAutoRaise(true);
 
@@ -454,10 +466,9 @@ void MainWindow::save_ui_settings()
        settings.setValue("sessions", id);
 }
 
-void MainWindow::restore_ui_settings()
+void MainWindow::restore_ui_settings(bool restore_sessions)
 {
        QSettings settings;
-       int i, session_count;
 
        settings.beginGroup("MainWindow");
 
@@ -469,17 +480,21 @@ void MainWindow::restore_ui_settings()
 
        settings.endGroup();
 
-       session_count = settings.value("sessions", 0).toInt();
+       if (restore_sessions) {
+               int i, session_count;
 
-       for (i = 0; i < session_count; i++) {
-               settings.beginGroup("Session" + QString::number(i));
-               shared_ptr<Session> session = add_session();
-               session->restore_settings(settings);
-               settings.endGroup();
+               session_count = settings.value("sessions", 0).toInt();
+
+               for (i = 0; i < session_count; i++) {
+                       settings.beginGroup("Session" + QString::number(i));
+                       shared_ptr<Session> session = add_session();
+                       session->restore_settings(settings);
+                       settings.endGroup();
+               }
        }
 }
 
-std::shared_ptr<Session> MainWindow::get_tab_session(int index) const
+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_)
@@ -544,7 +559,7 @@ void MainWindow::on_add_view(const QString &title, views::ViewType type,
        Session *session)
 {
        // We get a pointer and need a reference
-       for (std::shared_ptr<Session> s : sessions_)
+       for (shared_ptr<Session> s : sessions_)
                if (s.get() == session)
                        add_view(title, type, *s);
 }
@@ -612,7 +627,7 @@ void MainWindow::on_run_stop_clicked()
 
 void MainWindow::on_settings_clicked()
 {
-       dialogs::Settings dlg;
+       dialogs::Settings dlg(device_manager_);
        dlg.exec();
 }
 
@@ -664,7 +679,7 @@ void MainWindow::on_capture_state_changed(QObject *obj)
 void MainWindow::on_new_view(Session *session)
 {
        // We get a pointer and need a reference
-       for (std::shared_ptr<Session> s : sessions_)
+       for (shared_ptr<Session> s : sessions_)
                if (s.get() == session)
                        add_view(session->name(), views::ViewTypeTrace, *s);
 }
@@ -720,7 +735,8 @@ void MainWindow::on_tab_close_requested(int index)
 {
        shared_ptr<Session> session = get_tab_session(index);
 
-       assert(session);
+       if (!session)
+               return;
 
        if (session->data_saved() || (QMessageBox::question(this, tr("Confirmation"),
                tr("This session contains unsaved data. Close it anyway?"),
@@ -728,21 +744,36 @@ void MainWindow::on_tab_close_requested(int index)
                remove_session(session);
 }
 
+void MainWindow::on_view_coloured_bg_shortcut()
+{
+       GlobalSettings settings;
+
+       bool state = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+       settings.setValue(GlobalSettings::Key_View_ColouredBG, !state);
+}
+
 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();
+       GlobalSettings settings;
+
+       bool state = settings.value(GlobalSettings::Key_View_StickyScrolling).toBool();
+       settings.setValue(GlobalSettings::Key_View_StickyScrolling, !state);
 }
 
-void MainWindow::on_view_coloured_bg_shortcut()
+void MainWindow::on_view_show_sampling_points_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_ShowSamplingPoints).toBool();
+       settings.setValue(GlobalSettings::Key_View_ShowSamplingPoints, !state);
+}
+
+void MainWindow::on_view_show_analog_minor_grid_shortcut()
+{
+       GlobalSettings settings;
+
+       bool state = settings.value(GlobalSettings::Key_View_ShowAnalogMinorGrid).toBool();
+       settings.setValue(GlobalSettings::Key_View_ShowAnalogMinorGrid, !state);
 }
 
 void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
@@ -760,10 +791,34 @@ void MainWindow::on_settingViewColouredBg_changed(const QVariant new_value)
        }
 }
 
-void MainWindow::on_actionAbout_triggered()
+void MainWindow::on_settingViewShowSamplingPoints_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_show_sampling_points(state);
+       }
+}
+
+void MainWindow::on_settingViewShowAnalogMinorGrid_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_show_analog_minor_grid(state);
+       }
 }
 
 void MainWindow::on_close_current_tab()