X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fview.cpp;h=2bfe68c22468858d3bc24bd47034798dad78f607;hp=f8378d98204554305a32ba41516814da7a265012;hb=3734c4645fc071fe7ecfb552d65d343e50b098e1;hpb=20f59e957e70250cfb876ac7a1743134d6b83339 diff --git a/pv/views/trace/view.cpp b/pv/views/trace/view.cpp index f8378d98..2bfe68c2 100644 --- a/pv/views/trace/view.cpp +++ b/pv/views/trace/view.cpp @@ -125,10 +125,13 @@ bool CustomScrollArea::viewportEvent(QEvent *event) View::View(Session &session, bool is_main_view, QWidget *parent) : ViewBase(session, is_main_view, parent), splitter_(new QSplitter()), + segment_display_mode_(Trace::ShowLastSegmentOnly), + segment_selectable_(false), scale_(1e-3), 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), @@ -212,9 +215,6 @@ View::View(Session &session, bool is_main_view, QWidget *parent) : connect(splitter_, SIGNAL(splitterMoved(int, int)), this, SLOT(on_splitter_moved())); - connect(this, SIGNAL(hover_point_changed()), - this, SLOT(on_hover_point_changed())); - connect(&lazy_event_handler_, SIGNAL(timeout()), this, SLOT(process_sticky_events())); lazy_event_handler_.setSingleShot(true); @@ -229,6 +229,9 @@ View::View(Session &session, bool is_main_view, QWidget *parent) : // 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() @@ -256,6 +259,11 @@ void View::add_signal(const shared_ptr signal) { ViewBase::add_signalbase(signal->base()); signals_.insert(signal); + + signal->set_segment_display_mode(segment_display_mode_); + + connect(signal->base().get(), SIGNAL(name_changed(const QString&)), + this, SLOT(on_signal_name_changed())); } #ifdef ENABLE_DECODE @@ -269,6 +277,11 @@ void View::add_decode_signal(shared_ptr signal) shared_ptr d( new DecodeTrace(session_, signal, decode_traces_.size())); decode_traces_.push_back(d); + + d->set_segment_display_mode(segment_display_mode_); + + connect(signal.get(), SIGNAL(name_changed(const QString&)), + this, SLOT(on_signal_name_changed())); } void View::remove_decode_signal(shared_ptr signal) @@ -359,6 +372,9 @@ void View::restore_settings(QSettings &settings) settings_restored_ = true; suppress_zoom_to_fit_after_acq_ = true; + + // Update the ruler so that it uses the new scale + calculate_tick_spacing(); } vector< shared_ptr > View::time_items() const @@ -470,6 +486,26 @@ void View::set_time_unit(pv::util::TimeUnit time_unit) } } +bool View::segment_is_selectable() const +{ + return segment_selectable_; +} + +void View::set_segment_display_mode(Trace::SegmentDisplayMode mode) +{ + for (shared_ptr signal : signals_) + signal->set_segment_display_mode(mode); + + viewport_->update(); + + segment_selectable_ = true; + + if (mode == Trace::ShowLastSegmentOnly) + segment_selectable_ = false; + + segment_display_mode_changed(segment_selectable_); +} + void View::zoom(double steps) { zoom(steps, viewport_->width() / 2); @@ -880,7 +916,7 @@ void View::set_scroll_default() set_v_offset(extents.first); } -bool View::header_was_shrunk() const +void View::determine_if_header_was_shrunk() { const int header_pane_width = splitter_->sizes().front(); const int header_width = header_->extended_size_hint().width(); @@ -888,11 +924,19 @@ bool View::header_was_shrunk() const // 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 - return (header_pane_width < (header_width - 10)); + header_was_shrunk_ = (header_pane_width < (header_width - 10)); } -void View::expand_header_to_fit() +void View::resize_header_to_fit() { + // Setting the maximum width of the header widget doesn't work as + // expected because the splitter would allow the user to make the + // pane wider than that, creating empty space as a result. + // To make this work, we stricly enforce the maximum width by + // expanding the header unless the user shrunk it on purpose. + // As we're then setting the width of the header pane, we set the + // splitter to the maximum allowed position. + int splitter_area_width = 0; for (int w : splitter_->sizes()) splitter_area_width += w; @@ -1005,11 +1049,11 @@ bool View::eventFilter(QObject *object, QEvent *event) else hover_point_ = QPoint(-1, -1); - hover_point_changed(); + update_hover_point(); } else if (type == QEvent::Leave) { hover_point_ = QPoint(-1, -1); - hover_point_changed(); + update_hover_point(); } else if (type == QEvent::Show) { // This is somewhat of a hack, unfortunately. We cannot use @@ -1021,8 +1065,10 @@ bool View::eventFilter(QObject *object, QEvent *event) // resized to their final sizes. update_layout(); - if (!settings_restored_) - expand_header_to_fit(); + if (settings_restored_) + determine_if_header_was_shrunk(); + else + resize_header_to_fit(); if (scroll_needs_defaults_) { set_scroll_default(); @@ -1047,6 +1093,16 @@ void View::resizeEvent(QResizeEvent* event) update_layout(); } +void View::update_hover_point() +{ + const vector> trace_tree_items( + list_by_type()); + for (shared_ptr r : trace_tree_items) + r->hover_point_changed(hover_point_); + + hover_point_changed(hover_point_); +} + void View::row_item_appearance_changed(bool label, bool content) { if (label) @@ -1077,17 +1133,19 @@ void View::extents_changed(bool horz, bool vert) lazy_event_handler_.start(); } +void View::on_signal_name_changed() +{ + if (!header_was_shrunk_) + resize_header_to_fit(); +} + void View::on_splitter_moved() { - // Setting the maximum width of the header widget doesn't work as - // expected because the splitter would allow the user to make the - // pane wider than that, creating empty space as a result. - // To make this work, we stricly enforce the maximum width by - // expanding the header unless the user shrunk it on purpose. - // As we're then setting the width of the header pane, we set the - // splitter to the maximum allowed position. - if (!header_was_shrunk()) - expand_header_to_fit(); + // The header can only shrink when the splitter is moved manually + determine_if_header_was_shrunk(); + + if (!header_was_shrunk_) + resize_header_to_fit(); } void View::h_scroll_value_changed(int value) @@ -1128,6 +1186,7 @@ void View::signals_changed() vector< shared_ptr > channels; shared_ptr sr_dev; + bool signals_added_or_removed = false; // Do we need to set the vertical scrollbar to its default position later? // We do if there are no traces, i.e. the scroll bar has no range set @@ -1259,6 +1318,7 @@ void View::signals_changed() TraceTreeItemOwner *const owner = trace->owner(); assert(owner); owner->remove_child_item(trace); + signals_added_or_removed = true; } // Remove any empty trace groups @@ -1283,13 +1343,12 @@ void View::signals_changed() if (item->enabled()) offset += extents.second; + signals_added_or_removed = true; } - if (!new_top_level_items.empty()) - // Expand the header pane because the header should become fully - // visible when new signals are added - expand_header_to_fit(); + if (signals_added_or_removed && !header_was_shrunk_) + resize_header_to_fit(); update_layout(); @@ -1353,6 +1412,32 @@ void View::capture_state_updated(int state) } } +void View::on_new_segment(int new_segment_id) +{ + on_segment_changed(new_segment_id); + segment_changed(new_segment_id); +} + +void View::on_segment_changed(int segment) +{ + switch (segment_display_mode_) { + case Trace::ShowLastSegmentOnly: + case Trace::ShowSingleSegmentOnly: + current_segment_ = segment; + for (shared_ptr signal : signals_) + signal->set_current_segment(current_segment_); + for (shared_ptr dt : decode_traces_) + dt->set_current_segment(current_segment_); + viewport_->update(); + break; + + case Trace::ShowAllSegments: + case Trace::ShowAccumulatedIntensity: + default: + break; + } +} + void View::perform_delayed_view_update() { if (always_zoom_to_fit_) { @@ -1388,14 +1473,6 @@ void View::process_sticky_events() sticky_events_ = 0; } -void View::on_hover_point_changed() -{ - const vector> trace_tree_items( - list_by_type()); - for (shared_ptr r : trace_tree_items) - r->hover_point_changed(); -} - } // namespace trace } // namespace views } // namespace pv