message history

1 files changed, 6 insertions, 8 deletions

diff --git a/tui/layout.go b/tui/layout.go
index 5811f4e..480f3cc 100644
--- a/tui/layout.go
+++ b/tui/layout.go
@@ -285,9 +285,10 @@ func (b *Box) computePositions(axis int) {
 
 			if last != nil {
 				lastPos := last.computedPosition
-				lastPos += last.computedSize[axis]
 				if b.Dir.reverse() {
 					lastPos = b.computedSize[axis] - lastPos
+				} else {
+					lastPos += last.computedSize[axis]
 				}
 				b.Scroll.absolute = min(b.Scroll.absolute, lastPos - b.computedSize[axis])
 			}
@@ -300,7 +301,7 @@ func (b *Box) computePositions(axis int) {
 				} else {
 					c.computedPosition += b.Scroll.absolute
 				}
-				if c.computedPosition > b.computedRect.min[axis] &&
+				if c.computedPosition >= b.computedRect.min[axis] &&
 						c.computedPosition < b.computedRect.max[axis] {
 					if firstShown == nil {
 						firstShown = c
@@ -308,12 +309,9 @@ func (b *Box) computePositions(axis int) {
 					lastShown = c
 				}
 			}
-			if firstShown == first {
-				b.Scroll.atFirst = true
-			}
-			if lastShown == last {
-				b.Scroll.atLast = true
-			}
+			b.Scroll.atFirst = firstShown == first
+			b.Scroll.atLast = lastShown == last
+
 			if firstShown != nil {
 				p := first.computedPosition
 				if b.Dir.reverse() {