From da4c59394e12a8f18002dfad5f63fde7d87919be Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Tue, 20 Oct 2009 10:22:14 +0000
Subject: Ensure enough styles allocated when choosing a lexer. Fixes bug
 #2881279.

---
 src/ScintillaBase.cxx | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/ScintillaBase.cxx b/src/ScintillaBase.cxx
index 8b6e7a4cb..344b7e296 100644
--- a/src/ScintillaBase.cxx
+++ b/src/ScintillaBase.cxx
@@ -481,6 +481,8 @@ void ScintillaBase::SetLexer(uptr_t wParam) {
 	lexCurrent = LexerModule::Find(lexLanguage);
 	if (!lexCurrent)
 		lexCurrent = LexerModule::Find(SCLEX_NULL);
+	int bits = lexCurrent ? lexCurrent->GetStyleBitsNeeded() : 5;
+	vs.EnsureStyle((1 << bits) - 1);
 }
 
 void ScintillaBase::SetLexerLanguage(const char *languageName) {
@@ -490,6 +492,8 @@ void ScintillaBase::SetLexerLanguage(const char *languageName) {
 		lexCurrent = LexerModule::Find(SCLEX_NULL);
 	if (lexCurrent)
 		lexLanguage = lexCurrent->GetLanguage();
+	int bits = lexCurrent ? lexCurrent->GetStyleBitsNeeded() : 5;
+	vs.EnsureStyle((1 << bits) - 1);
 }
 
 void ScintillaBase::Colourise(int start, int end) {
-- 
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