From 796e136093befc76f6c223afff1c1221182cf5dd Mon Sep 17 00:00:00 2001
From: Soeren Apel <soeren@apelpie.net>
Date: Tue, 29 Dec 2015 23:13:53 +0100
Subject: [PATCH] Fix #719 by calculating the decoder trace height dynamically

---
 pv/view/decodetrace.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pv/view/decodetrace.cpp b/pv/view/decodetrace.cpp
index 31ea9d73..dd39b321 100644
--- a/pv/view/decodetrace.cpp
+++ b/pv/view/decodetrace.cpp
@@ -160,10 +160,10 @@ const std::shared_ptr<pv::data::DecoderStack>& DecodeTrace::decoder() const
 
 pair<int, int> DecodeTrace::v_extents() const
 {
-	/// @todo Replace this with an implementation that knows the true
-	/// height of the trace
 	const int row_height = (ViewItemPaintParams::text_height() * 6) / 4;
-	return make_pair(-row_height / 2, row_height * 7 / 2);
+	const int rows = visible_rows_.size();
+
+	return make_pair(-row_height, row_height * rows);
 }
 
 void DecodeTrace::paint_back(QPainter &p, const ViewItemPaintParams &pp)
-- 
2.30.2