From 66bca386387d28393e2f011af0aae8381f0e6056 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludwig=20Fr=C3=BChsch=C3=BCtz?=
 <l.fruehschuetz@eleton-audio.de>
Date: Mon, 27 Jan 2020 13:23:42 +0100
Subject: [PATCH] 4PointCutting: Restore arranger viewport after edit

---
 4PointCutting/4Pcut_execute.lua | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/4PointCutting/4Pcut_execute.lua b/4PointCutting/4Pcut_execute.lua
index 891afec..aa1900d 100644
--- a/4PointCutting/4Pcut_execute.lua
+++ b/4PointCutting/4Pcut_execute.lua
@@ -12,6 +12,8 @@ local stored_timeSelStart = 0
 local stored_timeSelEnd = 0
 local stored_sel_tracks = {}
 local stored_sel_items = {}
+local stored_view_start = 0
+local stored_view_end = 0
 local mark_srcin_pos = -1
 local mark_srcin_id = -1
 local mark_srcout_pos = -1
@@ -26,6 +28,12 @@ function msg(m)
     reaper.ShowConsoleMsg(tostring(m) .. "\n")
 end
 
+-- Round number
+function round(num, numDecimalPlaces)
+    local mult = 10^(numDecimalPlaces or 0)
+    return math.floor(num * mult + 0.5) / mult
+end
+
 -- Selects the source tracks, or, if not stored in rpp, selects all tracks
 function select_src_tracks()
     local tracks_str = ''
@@ -104,6 +112,9 @@ end
 
 -- Do stuff before actual edits...
 reaper.Undo_BeginBlock()
+--store viewport off arranger
+stored_view_start, stored_view_end = reaper.GetSet_ArrangeView2(0, false, 0, 0)
+
 -- Store cursor position, time selection, selected tracks, selected items
 stored_cursorPos = reaper.GetCursorPosition()
 stored_timeSelStart, stored_timeSelEnd = reaper.GetSet_LoopTimeRange(false, true, 0, 1, false)
@@ -140,5 +151,7 @@ for _, item in ipairs(stored_sel_items) do
     reaper.SetMediaItemSelected(item, true)
 end
 reaper.GetSet_LoopTimeRange(true, true, stored_timeSelStart, stored_timeSelEnd, false)
+-- Restore view port of arranger
+reaper.GetSet_ArrangeView2(0, true, 0, 0, stored_view_start, stored_view_end)
 
-reaper.Undo_EndBlock('4 point cut: Execute', 4) -- 4 is a flag for actions concerning items
\ No newline at end of file
+reaper.Undo_EndBlock('4 point cut: Execute', 4) -- 4 is a flag for actions concerning items