From 5036ca8500368bfa5e445c2734834185b7d78978 Mon Sep 17 00:00:00 2001
From: Vincent van Ravesteijn <vfr@lyx.org>
Date: Sun, 13 Feb 2011 10:07:00 +0000
Subject: [PATCH] Constify InsetMathNest::setMouseHover and remove the
 const_cast from BufferView.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37632 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/BufferView.cpp           | 8 +++-----
 src/mathed/InsetMathNest.cpp | 1 +
 src/mathed/InsetMathNest.h   | 2 +-
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index e0c96856dd..fb82f10ce7 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -269,7 +269,7 @@ struct BufferView::Private
 	/** kept to send setMouseHover(false).
 	  * Not owned, so don't delete.
 	  */
-	Inset * last_inset_;
+	Inset const * last_inset_;
 	/// are we hovering something that we can click
 	bool clickable_inset_;
 
@@ -1992,14 +1992,12 @@ void BufferView::updateHoveredInset() const
 		d->last_inset_ = 0;
 	}
 	
-	// const_cast because of setMouseHover().
-	Inset * inset = const_cast<Inset *>(covering_inset);
-	if (inset && inset->setMouseHover(this, true)) {
+	if (covering_inset && covering_inset->setMouseHover(this, true)) {
 		need_redraw = true;
 		// Only the insets that accept the hover state, do 
 		// clear the last_inset_, so only set the last_inset_
 		// member if the hovered setting is accepted.
-		d->last_inset_ = inset;
+		d->last_inset_ = covering_inset;
 	}
 
 	if (need_redraw) {
diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index 25204bc91b..edbe99aea0 100644
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -407,6 +407,7 @@ void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
 
 
 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
+	const
 {
 	mouse_hover_[bv] = mouse_hover;
 	return true;
diff --git a/src/mathed/InsetMathNest.h b/src/mathed/InsetMathNest.h
index 5a737c3b61..4e18dbda71 100644
--- a/src/mathed/InsetMathNest.h
+++ b/src/mathed/InsetMathNest.h
@@ -113,7 +113,7 @@ public:
 	///
 	void latex(otexstream & os, OutputParams const & runparams) const;
 	///
-	bool setMouseHover(BufferView const * bv, bool mouse_hover);
+	bool setMouseHover(BufferView const * bv, bool mouse_hover) const;
 	///
 	bool mouseHovered(BufferView const * bv) const 
 		{ return mouse_hover_[bv]; }
-- 
2.39.5