From: Guillaume Munch <gm@lyx.org>
Date: Sat, 18 Feb 2017 19:41:41 +0000 (+0100)
Subject: When selecting math with the mouse, selection happens in the middle (#9748)
X-Git-Tag: 2.3.0alpha1~356
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=faeb1997932dd60909ebe7c7883a5c8fbfe81e8c;p=features.git

When selecting math with the mouse, selection happens in the middle (#9748)
---

diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index ceec393ee6..ee0edd964f 100644
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -1625,6 +1625,16 @@ void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
 		return;
 	}
 
+	// set cursor after the inset if x is nearer to that position (bug 9748)
+	if (Inset const * inset = cur.nextInset()) {
+		CoordCache::Insets const & insetCache =
+			cur.bv().coordCache().getInsets();
+		int const wid = insetCache.dim(inset).wid;
+		Point p = insetCache.xy(inset);
+		if (cmd.x() > p.x_ + (wid + 1) / 2)
+			cur.posForward();
+	}
+
 	CursorSlice old = bvcur.top();
 
 	// We continue with our existing selection or start a new one, so don't