From: Soeren Apel <redacted>
Date: Wed, 30 Dec 2015 17:34:47 +0000 (+0100)
Subject: DecodeTrace: Prevent trace height from jumping
X-Git-Tag: pulseview-0.3.0~12
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=eee89ff865c28854eebdcecbe344f225b9ee366f;hp=eee89ff865c28854eebdcecbe344f225b9ee366f

DecodeTrace: Prevent trace height from jumping

In 506317984393a41000650ccca868f3dd66872a4f, the decode
trace height was made dependent on the number of currently
visible annotation rows.
This however has issues: when zooming in on an area where
there are no annotations, the height of the decode trace
collapses. With this patch, this can't happen anymore as
a new variable keeps track of the maximum number of
annotation rows ever encountered, keeping the decoder
trace height stable.
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