#include <QApplication>
#include <QEvent>
#include <QFontMetrics>
+#include <QMenu>
#include <QMouseEvent>
#include <QScrollBar>
#include <QVBoxLayout>
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);
// 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);
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()
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_;
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")) {
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"))
{
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);
void View::set_segment_display_mode(Trace::SegmentDisplayMode mode)
{
- trigger_markers_.clear();
-
segment_display_mode_ = mode;
for (shared_ptr<Signal> signal : signals_)
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
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
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
i->animate_to_layout_v_offset();
}
+int View::header_width() const
+{
+ return header_->extended_size_hint().width();
+}
+
void View::on_setting_changed(const QString &key, const QVariant &value)
{
if (key == GlobalSettings::Key_View_TriggerIsZeroTime)
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()
void View::determine_if_header_was_shrunk()
{
const int header_pane_width = splitter_->sizes().front();
- const int header_width = header_->extended_size_hint().width();
// Allow for a slight margin of error so that we also accept
// slight differences when e.g. a label name change increased
// the overall width
- header_was_shrunk_ = (header_pane_width < (header_width - 10));
+ header_was_shrunk_ = (header_pane_width < (header_width() - 10));
}
void View::resize_header_to_fit()
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
(horz ? TraceTreeItemHExtentsChanged : 0) |
(vert ? TraceTreeItemVExtentsChanged : 0);
+ lazy_event_handler_.stop();
lazy_event_handler_.start();
}