From 4e25f78507b9d8e3aa1dbba16cdb860d10cb5692 Mon Sep 17 00:00:00 2001
From: winhung <chan.winhung@gmail.com>
Date: Tue, 6 Aug 2019 21:46:24 +0800
Subject: [PATCH] scrollDownMain now works properly with ScrollPastBottom
 enabled #31

---
 pkg/gui/main_panel.go | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/pkg/gui/main_panel.go b/pkg/gui/main_panel.go
index 548845284..dc3e2a52e 100644
--- a/pkg/gui/main_panel.go
+++ b/pkg/gui/main_panel.go
@@ -16,21 +16,20 @@ func (gui *Gui) scrollUpMain(g *gocui.Gui, v *gocui.View) error {
 
 func (gui *Gui) scrollDownMain(g *gocui.Gui, v *gocui.View) error {
 	mainView := gui.getMainView()
+	mainView.Autoscroll = false
 	ox, oy := mainView.Origin()
-	y := oy
+
+	reservedLines := 0
 	if !gui.Config.UserConfig.Gui.ScrollPastBottom {
-		_, sy := mainView.Size()
-		y += sy
+		_, sizeY := mainView.Size()
+		reservedLines = sizeY
 	}
 
-	_, sizeY := mainView.Size()
 	totalLines := mainView.ViewLinesHeight()
-	if oy+sizeY >= totalLines {
+	if oy+reservedLines >= totalLines {
 		return nil
 	}
 
-	// for some reason we can't work out whether we've hit the bottomq
-	// there is a large discrepancy in the origin's y value and the length of BufferLines
 	return mainView.SetOrigin(ox, oy+gui.Config.UserConfig.Gui.ScrollHeight)
 }