From 2d961608e2ab7776ee41cbc984eadceb486e0ddf Mon Sep 17 00:00:00 2001
From: CrispyPin <crispin@tasa.se>
Date: Tue, 24 Dec 2024 00:03:48 +0100
Subject: [PATCH] add blinking cursor in text input field

---
 src/ui.rs | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/ui.rs b/src/ui.rs
index 8c36a9c..4c80f7d 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -227,6 +227,7 @@ pub fn text_input(
 	editable: bool,
 ) -> bool {
 	let mut changed = false;
+	let font_size = 20;
 	d.draw_rectangle_rec(bounds, widget_bg(*is_selected));
 	d.draw_rectangle_rec(
 		Rectangle::new(
@@ -237,18 +238,24 @@ pub fn text_input(
 		),
 		BG_DARK,
 	);
-	let drawn_text = if *is_selected {
-		&format!("{text}_")
-	} else {
-		text.as_str()
-	};
 	d.draw_text(
-		drawn_text,
+		text,
 		bounds.x as i32 + 4,
 		bounds.y as i32 + 4,
-		20,
+		font_size,
 		Color::WHITE,
 	);
+	// blinking cursor
+	if *is_selected && d.get_time().fract() < 0.5 {
+		let width = d.measure_text(text, font_size);
+		d.draw_rectangle(
+			bounds.x as i32 + 6 + width,
+			bounds.y as i32 + 4,
+			2,
+			font_size,
+			Color::WHITE,
+		);
+	};
 	if editable && mouse.left_click() && (mouse.is_over(bounds) || *is_selected) {
 		*is_selected = !*is_selected;
 	}