From: Mark Tearle <mtearle@ucc.gu.uwa.edu.au>
Date: Sun, 27 Jun 2004 13:12:33 +0000 (+0000)
Subject: horizontal scrolling snippet
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=7f6b17ce94d88d65c9cb1c64ef314a0c7abe767d;p=zanchey%2Fdispense2.git

horizontal scrolling snippet
---

diff --git a/codesnippets/horizscroll.py b/codesnippets/horizscroll.py
new file mode 100644
index 0000000..5dca529
--- /dev/null
+++ b/codesnippets/horizscroll.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+
+import string
+import sys
+import time
+
+class HorizScroll:
+	def __init__(self, text):
+		self.text = text
+		pass
+
+	def expand(self, padding=None, paddingchar=" ", dir=None):
+		if len(self.text) <= 10:
+			return [text]
+
+		if not padding:
+			padding = len(self.text) / 2
+
+		format = "%-" + str(padding) + "." + str(padding) + "s"
+		pad = string.replace(format % " "," ",paddingchar)
+		padtext = self.text + pad
+		expansion = []
+
+		for x in range(0,len(padtext)):
+			  expansion.append(padtext[x:] + padtext[:x])
+		
+		if dir == -1:
+			expansion.reverse()
+
+		return expansion
+
+if __name__ == '__main__':
+	h = HorizScroll("hello cruel world")
+	eh = h.expand()
+	while 1:
+		for x in eh:
+			sys.stdout.write("\r")
+			print "%-10.10s" % x,
+			sys.stdout.flush()
+			time.sleep(0.1)
+