From a36965492bd53b77859a8e5df0a482ea3ec9f9dd Mon Sep 17 00:00:00 2001
From: johnsonj <unknown>
Date: Tue, 8 Dec 2015 10:08:05 +1100
Subject: Cancel IME composition for read-only documents.

---
 gtk/ScintillaGTK.cxx | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gtk/ScintillaGTK.cxx b/gtk/ScintillaGTK.cxx
index 9977f0db0..0d8943826 100644
--- a/gtk/ScintillaGTK.cxx
+++ b/gtk/ScintillaGTK.cxx
@@ -2434,6 +2434,11 @@ void ScintillaGTK::PreeditChangedInlineThis() {
 	// Copy & paste by johnsonj with a lot of helps of Neil
 	// Great thanks for my foreruners, jiniya and BLUEnLIVE
 	try {
+		if (pdoc->IsReadOnly()) {
+			gtk_im_context_reset(im_context);
+			return;
+		}
+
 		view.imeCaretBlockOverride = false; // If backspace.
 
 		if (pdoc->TentativeActive()) {
-- 
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