From 30867c487f17ca13744977c7873f4e1cf214fd33 Mon Sep 17 00:00:00 2001
From: michi_cc <michi_cc@openttd.org>
Date: Mon, 5 Aug 2013 20:37:53 +0000
Subject: (svn r25691) -Add: [OSX] Support for mouse selection in the IME
 composition string.

---
 src/video/cocoa/cocoa_v.mm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/video')

diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index e4897ac50..69af4786d 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -909,7 +909,16 @@ static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
 /** Get the character that is rendered at the given point. */
 - (NSUInteger)characterIndexForPoint:(NSPoint)thePoint
 {
-	return NSNotFound;
+	if (!EditBoxInGlobalFocus()) return NSNotFound;
+
+	NSPoint view_pt = [ self convertPoint:[ [ self window ] convertScreenToBase:thePoint ] fromView:nil ];
+
+	Point pt = { view_pt.x, [ self frame ].size.height - view_pt.y };
+
+	const char *ch = _focused_window->GetTextCharacterAtPosition(pt);
+	if (ch == NULL) return NSNotFound;
+
+	return CountUtf16Units(_focused_window->GetFocusedText(), ch);
 }
 
 /** Get the bounding rect for the given range. */
-- 
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