From 9a24b646f899734342a240964db61bb07ea41648 Mon Sep 17 00:00:00 2001
From: nyamatongwe <devnull@localhost>
Date: Thu, 28 Feb 2002 02:52:43 +0000
Subject: Line layout cache feature added.

---
 src/Document.cxx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/Document.cxx')

diff --git a/src/Document.cxx b/src/Document.cxx
index 76695efe5..3d3e5a51d 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -36,6 +36,7 @@ Document::Document() {
 	stylingMask = 0;
 	SetWordChars(0);
 	endStyled = 0;
+	styleClock = 0;
 	enteredCount = 0;
 	enteredReadOnlyCount = 0;
 	tabInChars = 8;
@@ -1115,6 +1116,12 @@ void Document::SetStyles(int length, char *styles) {
 }
 
 bool Document::EnsureStyledTo(int pos) {
+	if (pos > GetEndStyled()) {
+		styleClock++;
+		if (styleClock > 0x100000) {
+			styleClock = 0;
+		}
+	}
 	// Ask the watchers to style, and stop as soon as one responds.
 	for (int i = 0; pos > GetEndStyled() && i < lenWatchers; i++)
 		watchers[i].watcher->NotifyStyleNeeded(this, watchers[i].userData, pos);
-- 
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