From 4eeda7244acbc97c2937ecb6768309539e28e35a Mon Sep 17 00:00:00 2001
From: Julian Hurst <julian.hurst@digdash.com>
Date: Wed, 12 Mar 2025 10:16:02 +0100
Subject: list: Handle size properly

---
 .gitignore              |  1 +
 cmd/list.ha             |  1 +
 cmd/list_strictsz.ha    | 19 +++++++++++++++++++
 tui/widget/list/list.ha | 13 ++++++++++++-
 4 files changed, 33 insertions(+), 1 deletion(-)
 create mode 100644 cmd/list_strictsz.ha

diff --git a/.gitignore b/.gitignore
index 48d880d..7b990ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /text
 /list
+/list_strictsz
diff --git a/cmd/list.ha b/cmd/list.ha
index 9a86d23..8729dd9 100644
--- a/cmd/list.ha
+++ b/cmd/list.ha
@@ -2,6 +2,7 @@ use tui;
 use tui::layout;
 use tui::widget;
 use tui::widget::list;
+use unix::tty;
 use io;
 use fmt;
 use time;
diff --git a/cmd/list_strictsz.ha b/cmd/list_strictsz.ha
new file mode 100644
index 0000000..1a7ea1c
--- /dev/null
+++ b/cmd/list_strictsz.ha
@@ -0,0 +1,19 @@
+use tui;
+use tui::layout;
+use tui::widget;
+use tui::widget::list;
+use unix::tty;
+use io;
+use fmt;
+use time;
+
+export fn main() void = {
+	const out = tui::init()!;
+	defer io::close(out)!;
+	let li = list::newlist(out, (1, 1), tty::ttysize {
+		rows = 2,
+		columns = 2,
+	}, "hello", "world")!;
+	let l = layout::newvlayout(&li);
+	l.layout.print(&l);
+};
diff --git a/tui/widget/list/list.ha b/tui/widget/list/list.ha
index a4ec77e..7e60299 100644
--- a/tui/widget/list/list.ha
+++ b/tui/widget/list/list.ha
@@ -52,7 +52,18 @@ export fn printlist(widget: *widget::widget) void = {
 	const list = widget: *list;
 	let st = memio::dynamic();
 	defer io::close(&st)!;
-	memio::concat(&st, strings::join("\n", list.items[list.frame.start..list.frame.end]...))!;
+	for (let i = list.frame.start; i < list.frame.end; i += 1) {
+		let item = match (list.widget.sz) {
+		case let sz: tty::ttysize =>
+			yield strings::sub(list.items[i], 0z, sz.columns);
+		case widget::nosize =>
+			yield list.items[i];
+		};
+		memio::concat(&st, item)!;
+		if (i != list.frame.end - 1) {
+			memio::concat(&st, "\n")!;
+		};
+	};
 	widget::print(list.widget.out, memio::string(&st)!, (1, 1));
 };
 
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