X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Ftrace.cpp;h=7d8501122753aabe9f4d739d2dbea82d211fab5b;hp=cc91fff5a5aa43de401ec6b64cc4f1cc48d61090;hb=99c4952654ae218a6b45ca61066deb4f81f68416;hpb=641574bcc118be0b6dc3a65039ab3497f9d7241a

diff --git a/pv/views/trace/trace.cpp b/pv/views/trace/trace.cpp
index cc91fff5..7d850112 100644
--- a/pv/views/trace/trace.cpp
+++ b/pv/views/trace/trace.cpp
@@ -60,6 +60,17 @@ Trace::Trace(shared_ptr<data::SignalBase> channel) :
 		this, SLOT(on_name_changed(const QString&)));
 	connect(channel.get(), SIGNAL(color_changed(const QColor&)),
 		this, SLOT(on_color_changed(const QColor&)));
+
+	GlobalSettings::add_change_handler(this);
+
+	GlobalSettings settings;
+	show_hover_marker_ =
+		settings.value(GlobalSettings::Key_View_ShowHoverMarker).toBool();
+}
+
+Trace::~Trace()
+{
+	GlobalSettings::remove_change_handler(this);
 }
 
 shared_ptr<data::SignalBase> Trace::base() const
@@ -67,6 +78,20 @@ shared_ptr<data::SignalBase> Trace::base() const
 	return base_;
 }
 
+void Trace::set_segment_display_mode(SegmentDisplayMode mode)
+{
+	segment_display_mode_ = mode;
+
+	if (owner_)
+		owner_->row_item_appearance_changed(true, true);
+}
+
+void Trace::on_setting_changed(const QString &key, const QVariant &value)
+{
+	if (key == GlobalSettings::Key_View_ShowHoverMarker)
+		show_hover_marker_ = value.toBool();
+}
+
 void Trace::paint_label(QPainter &p, const QRect &rect, bool hover)
 {
 	const int y = get_visual_y();
@@ -172,6 +197,14 @@ int Trace::get_current_segment() const
 	return current_segment_;
 }
 
+void Trace::hover_point_changed(const QPoint &hp)
+{
+	(void)hp;
+
+	if (owner_)
+		owner_->row_item_appearance_changed(false, true);
+}
+
 void Trace::paint_back(QPainter &p, ViewItemPaintParams &pp)
 {
 	const View *view = owner_->view();
@@ -213,6 +246,26 @@ void Trace::add_color_option(QWidget *parent, QFormLayout *form)
 	form->addRow(tr("Color"), color_button);
 }
 
+void Trace::paint_hover_marker(QPainter &p)
+{
+	const View *view = owner_->view();
+	assert(view);
+
+	const int x = view->hover_point().x();
+
+	if (x == -1)
+		return;
+
+	p.setPen(QPen(QColor(Qt::lightGray)));
+
+	const pair<int, int> extents = v_extents();
+
+	p.setRenderHint(QPainter::Antialiasing, false);
+	p.drawLine(x, get_visual_y() + extents.first,
+		x, get_visual_y() + extents.second);
+	p.setRenderHint(QPainter::Antialiasing, true);
+}
+
 void Trace::create_popup_form()
 {
 	// Clear the layout
@@ -244,24 +297,6 @@ void Trace::populate_popup_form(QWidget *parent, QFormLayout *form)
 	add_color_option(parent, form);
 }
 
-void Trace::set_name(QString name)
-{
-	base_->set_name(name);
-}
-
-void Trace::set_color(QColor color)
-{
-	base_->set_color(color);
-}
-
-void Trace::set_segment_display_mode(SegmentDisplayMode mode)
-{
-	segment_display_mode_ = mode;
-
-	if (owner_)
-		owner_->row_item_appearance_changed(true, true);
-}
-
 void Trace::on_name_changed(const QString &text)
 {
 	/* This event handler is called by SignalBase when the name was changed there */
@@ -291,13 +326,13 @@ void Trace::on_popup_closed()
 void Trace::on_nameedit_changed(const QString &name)
 {
 	/* This event handler notifies SignalBase that the name changed */
-	set_name(name);
+	base_->set_name(name);
 }
 
 void Trace::on_coloredit_changed(const QColor &color)
 {
 	/* This event handler notifies SignalBase that the color changed */
-	set_color(color);
+	base_->set_color(color);
 }
 
 } // namespace trace