X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=e0fce889fe06431c6122c4eaad1ec2a9938b6d39;hp=7d3dc7f628a73b9bd5e4be03d6c8a6e45e33dfb2;hb=3868e5fa3081573891ff2ae5b9dd67eb4a6afa4b;hpb=f76af6375b8aea6b7edb2d6ee838e1589c3490f3

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 7d3dc7f6..e0fce889 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -30,6 +30,7 @@
 
 #include "header.h"
 #include "ruler.h"
+#include "signal.h"
 #include "view.h"
 #include "viewport.h"
 
@@ -51,10 +52,14 @@ const int View::RulerHeight = 30;
 
 const int View::MaxScrollValue = INT_MAX / 2;
 
-const int View::SignalHeight = 50;
+const int View::SignalHeight = 30;
+const int View::SignalMargin = 10;
+const int View::SignalSnapGridSize = 10;
 
 const QColor View::CursorAreaColour(220, 231, 243);
 
+const QSizeF View::LabelPadding(4, 0);
+
 View::View(SigSession &session, QWidget *parent) :
 	QAbstractScrollArea(parent),
 	_session(session),
@@ -74,9 +79,20 @@ View::View(SigSession &session, QWidget *parent) :
 		this, SLOT(h_scroll_value_changed(int)));
 	connect(verticalScrollBar(), SIGNAL(valueChanged(int)),
 		this, SLOT(v_scroll_value_changed(int)));
+
+	connect(&_session, SIGNAL(signals_changed()),
+		this, SLOT(signals_changed()));
 	connect(&_session, SIGNAL(data_updated()),
 		this, SLOT(data_updated()));
 
+	connect(&_cursors.first, SIGNAL(time_changed()),
+		this, SLOT(marker_time_changed()));
+	connect(&_cursors.second, SIGNAL(time_changed()),
+		this, SLOT(marker_time_changed()));
+
+	connect(_header, SIGNAL(signals_moved()),
+		this, SLOT(on_signals_moved()));
+
 	setViewportMargins(LabelMarginWidth, RulerHeight, 0, 0);
 	setViewport(_viewport);
 
@@ -155,6 +171,22 @@ const QPoint& View::hover_point() const
 	return _hover_point;
 }
 
+void View::normalize_layout()
+{
+	const vector< shared_ptr<Signal> > sigs(_session.get_signals());
+
+	int v_min = INT_MAX;
+	BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+		v_min = min(s->get_v_offset(), v_min);
+
+	const int delta = -min(v_min, 0);
+	BOOST_FOREACH(shared_ptr<Signal> s, sigs)
+		s->set_v_offset(s->get_v_offset() + delta);
+
+	verticalScrollBar()->setSliderPosition(_v_offset + delta);
+	v_scroll_value_changed(verticalScrollBar()->sliderPosition());
+}
+
 void View::get_scroll_layout(double &length, double &offset) const
 {
 	const shared_ptr<SignalData> sig_data = _session.get_data();
@@ -190,7 +222,20 @@ void View::update_scroll()
 	// Set the vertical scrollbar
 	verticalScrollBar()->setPageStep(areaSize.height());
 	verticalScrollBar()->setRange(0,
-		_viewport->get_total_height() - areaSize.height());
+		_viewport->get_total_height() + SignalMargin -
+		areaSize.height());
+}
+
+void View::reset_signal_layout()
+{
+	int offset = SignalMargin;
+	const vector< shared_ptr<Signal> > sigs(_session.get_signals());
+	BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
+		s->set_v_offset(offset);
+		offset += SignalHeight + 2 * SignalMargin;
+	}
+
+	normalize_layout();
 }
 
 bool View::eventFilter(QObject *object, QEvent *event)
@@ -265,6 +310,11 @@ void View::v_scroll_value_changed(int value)
 	_viewport->update();
 }
 
+void View::signals_changed()
+{
+	reset_signal_layout();
+}
+
 void View::data_updated()
 {
 	// Get the new data length
@@ -286,5 +336,17 @@ void View::data_updated()
 	_viewport->update();
 }
 
+void View::marker_time_changed()
+{
+	_ruler->update();
+	_viewport->update();
+}
+
+void View::on_signals_moved()
+{
+	update_scroll();
+	signals_moved();
+}
+
 } // namespace view
 } // namespace pv