From: Soeren Apel <redacted>
Date: Mon, 13 Feb 2017 22:39:13 +0000 (+0100)
Subject: Perform autoranging for analog traces also when new data comes in
X-Git-Tag: pulseview-0.4.0~190
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=85715407f784767052238586f4e7f64440b7693e

Perform autoranging for analog traces also when new data comes in
---

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 1821ad1e..857898c5 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -81,6 +81,7 @@ MainWindow::MainWindow(DeviceManager &device_manager,
 	icon_grey_(":/icons/status-grey.svg")
 {
 	qRegisterMetaType<util::Timestamp>("util::Timestamp");
+	qRegisterMetaType<uint64_t>("uint64_t");
 
 	setup_ui();
 	restore_ui_settings();
diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 07fb0ef8..d9ac2f60 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -82,6 +82,12 @@ AnalogSignal::AnalogSignal(
 	resolution_(0),
 	autoranging_(1)
 {
+	pv::data::Analog* analog_data =
+		dynamic_cast<pv::data::Analog*>(data().get());
+
+	connect(analog_data, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+		this, SLOT(on_samples_added()));
+
 	base_->set_colour(SignalColours[base_->index() % countof(SignalColours)]);
 	update_scale();
 }
@@ -456,6 +462,17 @@ void AnalogSignal::populate_popup_form(QWidget *parent, QFormLayout *form)
 	form->addRow(layout);
 }
 
+void AnalogSignal::on_samples_added()
+{
+	perform_autoranging();
+
+	if (owner_) {
+		// Call order is important, otherwise the lazy event handler won't work
+		owner_->extents_changed(false, true);
+		owner_->row_item_appearance_changed(false, true);
+	}
+}
+
 void AnalogSignal::on_pos_vdivs_changed(int vdivs)
 {
 	pos_vdivs_ = vdivs;
@@ -500,8 +517,11 @@ void AnalogSignal::on_autoranging_changed(int state)
 	if (autoranging_)
 		perform_autoranging(true);
 
-	if (owner_)
+	if (owner_) {
+		// Call order is important, otherwise the lazy event handler won't work
+		owner_->extents_changed(false, true);
 		owner_->row_item_appearance_changed(false, true);
+	}
 }
 
 } // namespace TraceView
diff --git a/pv/view/analogsignal.hpp b/pv/view/analogsignal.hpp
index 5223338c..542edda9 100644
--- a/pv/view/analogsignal.hpp
+++ b/pv/view/analogsignal.hpp
@@ -132,6 +132,8 @@ protected:
 	void populate_popup_form(QWidget *parent, QFormLayout *form);
 
 private Q_SLOTS:
+	void on_samples_added();
+
 	void on_pos_vdivs_changed(int vdivs);
 	void on_neg_vdivs_changed(int vdivs);