From 0a1092dea864640cc9f1b818a7d9b35d72575d9e Mon Sep 17 00:00:00 2001
From: Julian Hurst <ark@mansus.space>
Date: Sun, 11 Sep 2022 13:22:07 +0200
Subject: Prevent taking total tty size if unecessary

---
 main.ha | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/main.ha b/main.ha
index 7117cca..3191e62 100644
--- a/main.ha
+++ b/main.ha
@@ -59,8 +59,13 @@ fn resize(list: *list::listwidget) void = {
 		rows = list.sz.rows,
 		cols = list.sz.cols,
 	};
+	let rows: (u16 | size) = if (sz.rows - 1u16 < len(list.items)) {
+		yield sz.rows - 1u16;
+	} else {
+		yield len(list.items);
+	};
 	list::setsize(list, tty::ttysize {
-		rows = sz.rows - 1u16,
+		rows = rows: u16,
 		columns = sz.columns,
 	});
 	list::resize(list, oldsz);
@@ -83,8 +88,13 @@ export fn main() void = {
 	let ui = libtui::init();
 	defer libtui::finish(&ui);
 	let sz = libtui::getwinsize(ui)!;
+	let rows: (u16 | size) = if (sz.rows - 1u16 < len(items)) {
+		yield sz.rows - 1u16;
+	} else {
+		yield len(items);
+	};
 	let l = list::newlistsz(ui, tty::ttysize {
-		rows = sz.rows - 1u16,
+		rows = rows: u16,
 		columns = sz.columns,
 	}, items...);
 	libtui::addlistener(&ui, &globalrunehandler);
@@ -116,6 +126,7 @@ export fn main() void = {
 	}];
 
 	for (true) {
+		libtui::clear(l.widget.ui);
 		match (layout::print(layout)) {
 		case void =>
 			yield;
-- 
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