X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fview.cpp;h=f727cc33b540b4fddc18b77f154a08051d3a78d4;hb=d1e7d82c6327c15f38d66602e65c4d3abe114df7;hp=b4815e704ac6b002f21fc0eb42aa6850e33619cf;hpb=38eeddeab105aea3f8015dda5399ebbead21550a;p=pulseview.git

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index b4815e7..f727cc3 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"
@@ -144,16 +148,80 @@ 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;
+	const double new_scale = max(min(_scale * pow(3.0/2.0, -steps),
+		MaxScale), MinScale);
+	set_zoom(new_scale, offset);
+}
 
-	_ruler->update();
-	_viewport->update();
-	update_scroll();
+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::zoom_one_to_one()
+{
+	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 samplerate = 0.0;
+	BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data) {
+		assert(d);
+		samplerate = max(samplerate, d->samplerate());
+	}
+
+	if (samplerate == 0.0)
+		return;
+
+	assert(_viewport);
+	const int w = _viewport->width();
+	if (w <= 0)
+		return;
+
+	set_zoom(1.0 / samplerate, w / 2);
+}
 
 void View::set_scale_offset(double scale, double offset)
 {
@@ -163,13 +231,14 @@ 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());
@@ -178,7 +247,7 @@ vector< shared_ptr<Trace> > View::get_traces() const
 	i = copy(sigs.begin(), sigs.end(), i);
 	i = copy(decode_sigs.begin(), decode_sigs.end(), i);
 
-	sort(traces.begin(), traces.end(), compare_trace_v_offsets);
+	stable_sort(traces.begin(), traces.end(), compare_trace_v_offsets);
 	return traces;
 }
 
@@ -255,16 +324,30 @@ 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;
 }
 
+void View::set_zoom(double scale, int offset)
+{
+	const double cursor_offset = _offset + _scale * offset;
+	const double new_scale = max(min(scale, MaxScale), MinScale);
+	const double new_offset = cursor_offset - new_scale * offset;
+	set_scale_offset(new_scale, new_offset);
+}
+
 void View::update_scroll()
 {
 	assert(_viewport);
@@ -384,10 +467,10 @@ void View::v_scroll_value_changed(int value)
 void View::signals_changed()
 {
 	int offset = SignalMargin + SignalHeight;
-	const vector< shared_ptr<Signal> > sigs(_session.get_signals());
-	BOOST_FOREACH(shared_ptr<Signal> s, sigs) {
-		s->init_context_bar_actions(NULL);
-		s->set_v_offset(offset);
+	const vector< shared_ptr<Trace> > traces(get_traces());
+	BOOST_FOREACH(shared_ptr<Trace> t, traces) {
+		t->set_view(this);
+		t->set_v_offset(offset);
 		offset += SignalHeight + 2 * SignalMargin;
 	}