Compute separator length once in printInfoImpl

separatorLength now derives value from window layout on each call;
hoist to local as it cannot change within single repaint

src/terminal.go

@@ -3398,6 +3398,7 @@ func (t *Terminal) printInfoImpl() {
 	}
 	pos := 0
 	line := 0
+	separatorLen := t.separatorLength()
 	maxHeight := t.window.Height()
 	move := func(y int, x int, clear bool) bool {
 		if y < 0 || y >= maxHeight {
@@ -3425,7 +3426,7 @@ func (t *Terminal) printInfoImpl() {
 			str = string(trimmed)
 			width = maxWidth
 		}
-		move(line, pos, t.separatorLength() == 0)
+		move(line, pos, separatorLen == 0)
 		if t.reading {
 			t.window.CPrint(tui.ColSpinner, str)
 		} else {
@@ -3434,7 +3435,7 @@ func (t *Terminal) printInfoImpl() {
 		pos += width
 	}
 	printSeparator := func(fillLength int, pad bool) {
-		if t.separatorLength() > 0 {
+		if separatorLen > 0 {
 			t.separator(t.window, fillLength)
 			t.window.Print(" ")
 		} else if pad {
@@ -3443,7 +3444,7 @@ func (t *Terminal) printInfoImpl() {
 	}
 
 	if t.infoStyle == infoHidden {
-		if t.separatorLength() > 0 {
+		if separatorLen > 0 {
 			if !move(line+1, 0, false) {
 				return
 			}
@@ -3506,7 +3507,7 @@ func (t *Terminal) printInfoImpl() {
 	}
 	switch t.infoStyle {
 	case infoDefault:
-		if !move(line+1, 0, t.separatorLength() == 0) {
+		if !move(line+1, 0, separatorLen == 0) {
 			return
 		}
 		printSpinner()
@@ -3590,7 +3591,7 @@ func (t *Terminal) printInfoImpl() {
 	}
 
 	if t.infoStyle == infoInlineRight {
-		if t.separatorLength() > 0 {
+		if separatorLen > 0 {
 			if !move(line+1, 0, false) {
 				return
 			}