X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=42a2f79f0b22e96b45340c67aef0eabaa0c8957d;hp=026d2e7fda92a516e2032dcabac64d1a7d0d5fa5;hb=4e5a4405482a296ebb6014e627298ad156c78d55;hpb=01fd32630269c1cfb99eb2b0d6060d7d19a42475

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 026d2e7f..42a2f79f 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -18,6 +18,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <libsigrokdecode/libsigrokdecode.h>
+
 #include <assert.h>
 #include <limits.h>
 #include <math.h>
@@ -145,16 +147,12 @@ void View::zoom(double steps)
 void View::zoom(double steps, int offset)
 {
 	const double cursor_offset = _offset + _scale * offset;
-	_scale *= pow(3.0/2.0, -steps);
-	_scale = max(min(_scale, MaxScale), MinScale);
-	_offset = cursor_offset - _scale * offset;
-
-	_ruler->update();
-	_viewport->update();
-	update_scroll();
+	const double new_scale = max(min(_scale * pow(3.0/2.0, -steps),
+		MaxScale), MinScale);
+	const double new_offset = cursor_offset - new_scale * offset;
+	set_scale_offset(new_scale, new_offset);
 }
 
-
 void View::set_scale_offset(double scale, double offset)
 {
 	_scale = scale;
@@ -163,6 +161,7 @@ void View::set_scale_offset(double scale, double offset)
 	update_scroll();
 	_ruler->update();
 	_viewport->update();
+	scale_offset_changed();
 }
 
 vector< shared_ptr<Trace> > View::get_traces() const
@@ -255,6 +254,12 @@ void View::normalize_layout()
 	v_scroll_value_changed(verticalScrollBar()->sliderPosition());
 }
 
+void View::update_viewport()
+{
+	assert(_viewport);
+	_viewport->update();
+}
+
 void View::get_scroll_layout(double &length, double &offset) const
 {
 	const shared_ptr<data::SignalData> sig_data = _session.get_data();
@@ -387,7 +392,6 @@ void View::signals_changed()
 	const vector< shared_ptr<Trace> > traces(get_traces());
 	BOOST_FOREACH(shared_ptr<Trace> t, traces) {
 		t->set_view(this);
-		t->init_context_bar_actions(NULL);
 		t->set_v_offset(offset);
 		offset += SignalHeight + 2 * SignalMargin;
 	}