From cfc2390b8bb5fed217c18757866d4a9179b82c92 Mon Sep 17 00:00:00 2001
From: Brian Hrebec <brianh32@gmail.com>
Date: Sun, 27 Aug 2023 11:58:51 -0500
Subject: [PATCH] Added scrolling to adjustmenu

---
 NuEVI/src/adjustmenu.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/NuEVI/src/adjustmenu.cpp b/NuEVI/src/adjustmenu.cpp
index 12fa1a8..ed95fc2 100644
--- a/NuEVI/src/adjustmenu.cpp
+++ b/NuEVI/src/adjustmenu.cpp
@@ -70,7 +70,19 @@ class AdjustMenuScreen : public MenuScreen {
     }
   private:
     void draw(bool redrawIndicators, bool redraw) {
-      for (size_t i = 0; i < N; i++) {
+      size_t scrollPos = 0;
+      if (_entries.size() >= ADJUST_NUM_ROWS) {
+        if ((_selectedEntry - scrollPos) > (ADJUST_NUM_ROWS-2) ) {
+          scrollPos = _selectedEntry - (ADJUST_NUM_ROWS-2);
+        } else if( (_selectedEntry - scrollPos) < 1) {
+          scrollPos = _selectedEntry - 1;
+        }
+
+        scrollPos = constrain(scrollPos, 0, _entries.size() - ADJUST_NUM_ROWS);
+      }
+
+      int end = constrain(scrollPos + ADJUST_NUM_ROWS, 0, N);
+      for (size_t i = scrollPos; i < end; i++) {
         if (redraw) {
           drawAdjustRow(_entries[i], _rowDrawings[i], i == _selectedEntry);
         } else if (redrawIndicators && i == _selectedEntry) {