X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=cf93a371c4d7fbe8dce55163f3caf699c034a645;hb=3248fcde2deac2fc3fcddf0f3a5bb4695986eeb9;hp=e6ce6621f99d06786f230ede9714f82a6730f235;hpb=e31551da587f1c67e3e67364b73a33fc40bf13c2;p=pulseview.git

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index e6ce6621..cf93a371 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -18,17 +18,21 @@
  * 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>
 
+#include <set>
+
 #include <boost/foreach.hpp>
 
 #include <QEvent>
 #include <QMouseEvent>
 #include <QScrollBar>
 
-#include "decodesignal.h"
+#include "decodetrace.h"
 #include "header.h"
 #include "ruler.h"
 #include "signal.h"
@@ -151,6 +155,43 @@ void View::zoom(double steps, int offset)
 	set_scale_offset(new_scale, new_offset);
 }
 
+void View::zoom_fit()
+{
+	using pv::data::SignalData;
+
+	const vector< shared_ptr<Signal> > sigs(
+		session().get_signals());
+
+	// Make a set of all the visible data objects
+	set< shared_ptr<SignalData> > visible_data;
+	BOOST_FOREACH(const shared_ptr<Signal> sig, sigs)
+		if (sig->enabled())
+			visible_data.insert(sig->data());
+
+	if (visible_data.empty())
+		return;
+
+	double left_time = DBL_MAX, right_time = DBL_MIN;
+	BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data)
+	{
+		const double start_time = d->get_start_time();
+		left_time = min(left_time, start_time);
+		right_time = max(right_time, start_time +
+			d->get_max_sample_count() / d->samplerate());
+	}
+
+	assert(left_time < right_time);
+	if (right_time - left_time < 1e-12)
+		return;
+
+	assert(_viewport);
+	const int w = _viewport->width();
+	if (w <= 0)
+		return;
+
+	set_scale_offset((right_time - left_time) / w, left_time);	
+}
+
 void View::set_scale_offset(double scale, double offset)
 {
 	_scale = scale;
@@ -159,13 +200,14 @@ 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
 {
 	const vector< shared_ptr<Signal> > sigs(
 		session().get_signals());
-	const vector< shared_ptr<DecodeSignal> > decode_sigs(
+	const vector< shared_ptr<DecodeTrace> > decode_sigs(
 		session().get_decode_signals());
 	vector< shared_ptr<Trace> > traces(
 		sigs.size() + decode_sigs.size());
@@ -251,13 +293,19 @@ 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();
 	if (!sig_data)
 		return;
 
-	length = _data_length / (sig_data->get_samplerate() * _scale);
+	length = _data_length / (sig_data->samplerate() * _scale);
 	offset = _offset / _scale;
 }
 
@@ -383,7 +431,6 @@ 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;
 	}