From 1418e1b9dc41d8f69bccb8de0fe0f1fb6835ce11 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Mon, 26 Feb 2018 22:54:39 -0500
Subject: Split UI library and widgets

---
 lib/ui/drawable.go | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 lib/ui/drawable.go

(limited to 'lib/ui/drawable.go')

diff --git a/lib/ui/drawable.go b/lib/ui/drawable.go
new file mode 100644
index 0000000..ef09451
--- /dev/null
+++ b/lib/ui/drawable.go
@@ -0,0 +1,10 @@
+package ui
+
+type Drawable interface {
+	// Called when this renderable should draw itself
+	Draw(ctx *Context)
+	// Specifies a function to call when this cell needs to be redrawn
+	OnInvalidate(callback func(d Drawable))
+	// Invalidates the drawable
+	Invalidate()
+}
-- 
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