]> sigrok.org Git - pulseview.git/blobdiff - pv/views/trace/view.cpp
Implement annotation export from the DecodeTrace context menu
[pulseview.git] / pv / views / trace / view.cpp
index 6a9c01af731180378de18a45c9c3e2affe34286d..1e4f07aa3ddab2fa3f0861881c5b50709e1e75f7 100644 (file)
@@ -38,6 +38,7 @@
 #include <QApplication>
 #include <QEvent>
 #include <QFontMetrics>
+#include <QMenu>
 #include <QMouseEvent>
 #include <QScrollBar>
 #include <QVBoxLayout>
@@ -79,7 +80,6 @@ using std::make_pair;
 using std::make_shared;
 using std::min;
 using std::pair;
-using std::placeholders::_1;
 using std::set;
 using std::set_difference;
 using std::shared_ptr;
@@ -125,31 +125,11 @@ bool CustomScrollArea::viewportEvent(QEvent *event)
 
 View::View(Session &session, bool is_main_view, QWidget *parent) :
        ViewBase(session, is_main_view, parent),
+
+       // Note: Place defaults in View::reset_view_state(), not here
        splitter_(new QSplitter()),
-       segment_display_mode_(Trace::ShowLastSegmentOnly),
-       segment_selectable_(false),
-       scale_(1e-3),
-       offset_(0),
-       ruler_offset_(0),
-       updating_scroll_(false),
-       settings_restored_(false),
-       header_was_shrunk_(false),
-       sticky_scrolling_(false), // Default setting is set in MainWindow::setup_ui()
-       always_zoom_to_fit_(false),
-       tick_period_(0),
-       tick_prefix_(pv::util::SIPrefix::yocto),
-       tick_precision_(0),
-       time_unit_(util::TimeUnit::Time),
-       show_cursors_(false),
-       cursors_(new CursorPair(*this)),
-       next_flag_text_('A'),
-       trigger_markers_(),
-       hover_point_(-1, -1),
-       scroll_needs_defaults_(true),
-       saved_v_offset_(0),
-       scale_at_acq_start_(0),
-       offset_at_acq_start_(0),
-       suppress_zoom_to_fit_after_acq_(false)
+       header_was_shrunk_(false),  // The splitter remains unchanged after a reset, so this goes here
+       sticky_scrolling_(false)  // Default setting is set in MainWindow::setup_ui()
 {
        QVBoxLayout *root_layout = new QVBoxLayout(this);
        root_layout->setContentsMargins(0, 0, 0, 0);
@@ -197,7 +177,7 @@ View::View(Session &session, bool is_main_view, QWidget *parent) :
 
        // Set up settings and event handlers
        GlobalSettings settings;
-       coloured_bg_ = settings.value(GlobalSettings::Key_View_ColouredBG).toBool();
+       colored_bg_ = settings.value(GlobalSettings::Key_View_ColoredBG).toBool();
 
        GlobalSettings::add_change_handler(this);
 
@@ -231,11 +211,7 @@ View::View(Session &session, bool is_main_view, QWidget *parent) :
        ruler_->raise();
        header_->raise();
 
-       // Update the zoom state
-       calculate_tick_spacing();
-
-       // Make sure the standard bar's segment selector is in sync
-       set_segment_display_mode(segment_display_mode_);
+       reset_view_state();
 }
 
 View::~View()
@@ -243,6 +219,44 @@ View::~View()
        GlobalSettings::remove_change_handler(this);
 }
 
+void View::reset_view_state()
+{
+       ViewBase::reset_view_state();
+
+       segment_display_mode_ = Trace::ShowLastSegmentOnly;
+       segment_selectable_ = false;
+       scale_ = 1e-3;
+       offset_ = 0;
+       ruler_offset_ = 0;
+       updating_scroll_ = false;
+       settings_restored_ = false;
+       always_zoom_to_fit_ = false;
+       tick_period_ = 0;
+       tick_prefix_ = pv::util::SIPrefix::yocto;
+       tick_precision_ = 0;
+       time_unit_ = util::TimeUnit::Time;
+       show_cursors_ = false;
+       cursors_ = make_shared<CursorPair>(*this);
+       next_flag_text_ = 'A';
+       trigger_markers_.clear();
+       hover_point_ = QPoint(-1, -1);
+       scroll_needs_defaults_ = true;
+       saved_v_offset_ = 0;
+       scale_at_acq_start_ = 0;
+       offset_at_acq_start_ = 0;
+       suppress_zoom_to_fit_after_acq_ = false;
+
+       show_cursors_ = false;
+       cursor_state_changed(show_cursors_);
+       flags_.clear();
+
+       // Update the zoom state
+       calculate_tick_spacing();
+
+       // Make sure the standard bar's segment selector is in sync
+       set_segment_display_mode(segment_display_mode_);
+}
+
 Session& View::session()
 {
        return session_;
@@ -368,10 +382,13 @@ void View::restore_settings(QSettings &settings)
                stringstream ss;
                ss << settings.value("ruler_shift").toString().toStdString();
 
-               boost::archive::text_iarchive ia(ss);
-               ia >> boost::serialization::make_nvp("ruler_shift", shift);
-
-               ruler_shift_ = shift;
+               try {
+                       boost::archive::text_iarchive ia(ss);
+                       ia >> boost::serialization::make_nvp("ruler_shift", shift);
+                       ruler_shift_ = shift;
+               } catch (boost::archive::archive_exception&) {
+                       qDebug() << "Could not restore the view ruler shift";
+               }
        }
 
        if (settings.contains("offset")) {
@@ -379,11 +396,14 @@ void View::restore_settings(QSettings &settings)
                stringstream ss;
                ss << settings.value("offset").toString().toStdString();
 
-               boost::archive::text_iarchive ia(ss);
-               ia >> boost::serialization::make_nvp("offset", offset);
-
-               // This also updates ruler_offset_
-               set_offset(offset);
+               try {
+                       boost::archive::text_iarchive ia(ss);
+                       ia >> boost::serialization::make_nvp("offset", offset);
+                       // This also updates ruler_offset_
+                       set_offset(offset);
+               } catch (boost::archive::archive_exception&) {
+                       qDebug() << "Could not restore the view offset";
+               }
        }
 
        if (settings.contains("splitter_state"))
@@ -417,9 +437,12 @@ vector< shared_ptr<TimeItem> > View::time_items() const
 {
        const vector<shared_ptr<Flag>> f(flags());
        vector<shared_ptr<TimeItem>> items(f.begin(), f.end());
-       items.push_back(cursors_);
-       items.push_back(cursors_->first());
-       items.push_back(cursors_->second());
+
+       if (cursors_) {
+               items.push_back(cursors_);
+               items.push_back(cursors_->first());
+               items.push_back(cursors_->second());
+       }
 
        for (auto trigger_marker : trigger_markers_)
                items.push_back(trigger_marker);
@@ -562,8 +585,10 @@ void View::set_current_segment(uint32_t segment_id)
 
        for (shared_ptr<Signal> signal : signals_)
                signal->set_current_segment(current_segment_);
+#ifdef ENABLE_DECODE
        for (shared_ptr<DecodeTrace> dt : decode_traces_)
                dt->set_current_segment(current_segment_);
+#endif
 
        vector<util::Timestamp> triggers = session_.get_triggers(current_segment_);
 
@@ -595,8 +620,6 @@ Trace::SegmentDisplayMode View::segment_display_mode() const
 
 void View::set_segment_display_mode(Trace::SegmentDisplayMode mode)
 {
-       trigger_markers_.clear();
-
        segment_display_mode_ = mode;
 
        for (shared_ptr<Signal> signal : signals_)
@@ -676,23 +699,6 @@ void View::zoom_fit(bool gui_state)
        set_scale_offset(scale.convert_to<double>(), extents.first);
 }
 
-void View::zoom_one_to_one()
-{
-       using pv::data::SignalData;
-
-       // Make a set of all the visible data objects
-       set< shared_ptr<SignalData> > visible_data = get_visible_data();
-       if (visible_data.empty())
-               return;
-
-       assert(viewport_);
-       const int w = viewport_->width();
-       if (w <= 0)
-               return;
-
-       set_zoom(1.0 / session_.get_samplerate(), w / 2);
-}
-
 void View::set_scale_offset(double scale, const Timestamp& offset)
 {
        // Disable sticky scrolling / always zoom to fit when acquisition runs
@@ -773,15 +779,15 @@ void View::enable_show_analog_minor_grid(bool state)
        viewport_->update();
 }
 
-void View::enable_coloured_bg(bool state)
+void View::enable_colored_bg(bool state)
 {
-       coloured_bg_ = state;
+       colored_bg_ = state;
        viewport_->update();
 }
 
-bool View::coloured_bg() const
+bool View::colored_bg() const
 {
-       return coloured_bg_;
+       return colored_bg_;
 }
 
 bool View::cursors_shown() const
@@ -792,17 +798,21 @@ bool View::cursors_shown() const
 void View::show_cursors(bool show)
 {
        show_cursors_ = show;
+       cursor_state_changed(show);
        ruler_->update();
        viewport_->update();
 }
 
 void View::centre_cursors()
 {
-       const double time_width = scale_ * viewport_->width();
-       cursors_->first()->set_time(offset_ + time_width * 0.4);
-       cursors_->second()->set_time(offset_ + time_width * 0.6);
-       ruler_->update();
-       viewport_->update();
+       if (cursors_) {
+               const double time_width = scale_ * viewport_->width();
+               cursors_->first()->set_time(offset_ + time_width * 0.4);
+               cursors_->second()->set_time(offset_ + time_width * 0.6);
+
+               ruler_->update();
+               viewport_->update();
+       }
 }
 
 shared_ptr<CursorPair> View::cursors() const
@@ -951,7 +961,7 @@ void View::calculate_tick_spacing()
                                (ScaleUnits[unit++] + tp_margin);
                } while (tp_with_margin < min_period && unit < countof(ScaleUnits));
 
-               minor_tick_count_ = (unit == 2) ? (4) : (5);
+               minor_tick_count_ = (unit == 2) ? 4 : 5;
                tick_period = order_decimal * ScaleUnits[unit - 1];
                tick_prefix = static_cast<pv::util::SIPrefix>(
                        (order - pv::util::exponent(pv::util::SIPrefix::yocto)) / 3);
@@ -1044,8 +1054,10 @@ void View::update_scroll()
                vscrollbar->setRange(extents.first - areaSize.height(),
                        extents.second);
 
-       if (scroll_needs_defaults_)
+       if (scroll_needs_defaults_) {
                set_scroll_default();
+               scroll_needs_defaults_ = false;
+       }
 }
 
 void View::reset_scroll()
@@ -1240,6 +1252,19 @@ bool View::eventFilter(QObject *object, QEvent *event)
        return QObject::eventFilter(object, event);
 }
 
+void View::contextMenuEvent(QContextMenuEvent *event)
+{
+       QPoint pos = event->pos() - QPoint(0, ruler_->sizeHint().height());
+
+       const shared_ptr<ViewItem> r = viewport_->get_mouse_over_item(pos);
+       if (!r)
+               return;
+
+       QMenu *menu = r->create_view_context_menu(this, pos);
+       if (menu)
+               menu->exec(event->globalPos());
+}
+
 void View::resizeEvent(QResizeEvent* event)
 {
        // Only adjust the top margin if we shrunk vertically
@@ -1286,6 +1311,7 @@ void View::extents_changed(bool horz, bool vert)
                (horz ? TraceTreeItemHExtentsChanged : 0) |
                (vert ? TraceTreeItemVExtentsChanged : 0);
 
+       lazy_event_handler_.stop();
        lazy_event_handler_.start();
 }