From ec861c629691b5ca37fa05473c6ef4121fec7f1d Mon Sep 17 00:00:00 2001
From: Rafal Kupiec <belliash@codingworkshop.eu.org>
Date: Sat, 23 Dec 2023 09:45:11 +0100
Subject: [PATCH] Add ability to jump between first and last menu entry with
 PageUp/PageDown keys

---
 xtldr2/textui.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/xtldr2/textui.c b/xtldr2/textui.c
index eccfa32..fa2fb93 100644
--- a/xtldr2/textui.c
+++ b/xtldr2/textui.c
@@ -1100,6 +1100,28 @@ BlDisplayBootMenu()
                         BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName, HighligtedEntryId, TRUE);
                     }
                 }
+                else if(Key.ScanCode == 0x09)
+                {
+                    /* PageUp key pressed, go to top entry */
+                    if(HighligtedEntryId != 0)
+                    {
+                        /* Highlight first entry */
+                        BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName, HighligtedEntryId, FALSE);
+                        BlpDrawBootMenuEntry(&Handle, MenuEntries[0].EntryName, 0, TRUE);
+                        HighligtedEntryId = 0;
+                    }
+                }
+                else if(Key.ScanCode == 0x0A)
+                {
+                    /* PageDown key pressed, go to bottom entry */
+                    if(HighligtedEntryId != NumberOfEntries - 1)
+                    {
+                        /* Highlight last entry */
+                        BlpDrawBootMenuEntry(&Handle, MenuEntries[HighligtedEntryId].EntryName, HighligtedEntryId, FALSE);
+                        BlpDrawBootMenuEntry(&Handle, MenuEntries[NumberOfEntries - 1].EntryName, NumberOfEntries - 1, TRUE);
+                        HighligtedEntryId = NumberOfEntries - 1;
+                    }
+                }
                 else if(Key.ScanCode == 0x0B)
                 {
                     /* F1 key pressed, show help */
@@ -1111,6 +1133,7 @@ BlDisplayBootMenu()
                 else if(Key.UnicodeChar == 0x65)
                 {
                     /* 'e' key pressed, edit the highlighted entry */
+                    BlDisplayErrorDialog(L"XTLDR", L"Editing boot menu entries is not implemented yet!");
 
                     /* Break from boot menu event loop to redraw whole boot menu */
                     break;