From 23306a5536c865979328a8675ec664b2f1572184 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Lars=20Gullik=20Bj=C3=B8nnes?= <larsbj@gullik.org>
Date: Tue, 14 May 2002 09:15:40 +0000
Subject: [PATCH] autodelreg2.patch

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4156 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/ChangeLog     |  3 +++
 src/mathed/math_cursor.C | 25 +++++++++++++++++++------
 src/mathed/math_cursor.h |  2 ++
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/src/mathed/ChangeLog b/src/mathed/ChangeLog
index b0eed42098..e4bbac6090 100644
--- a/src/mathed/ChangeLog
+++ b/src/mathed/ChangeLog
@@ -1,3 +1,6 @@
+2002-05-13  André Pönitz <poenitz@gmx.net>
+
+	* math_cursor.[Ch]: honor lyxrc setting for auto_delete_region
 
 2002-05-13  André Pönitz <poenitz@gmx.net>
 
diff --git a/src/mathed/math_cursor.C b/src/mathed/math_cursor.C
index 8bf036a004..a68f33ce9f 100644
--- a/src/mathed/math_cursor.C
+++ b/src/mathed/math_cursor.C
@@ -16,6 +16,7 @@
  */
 
 #include <config.h>
+#include <lyxrc.h>
 
 #ifdef __GNUG__
 #pragma implementation
@@ -436,6 +437,7 @@ void MathCursor::plainInsert(MathAtom const & t)
 void MathCursor::insert(char c, MathTextCodes t)
 {
 	//lyxerr << "inserting '" << c << "'\n";
+	selClearOrDel();	
 	plainInsert(MathAtom(new MathCharInset(c, t)));
 }
 
@@ -454,7 +456,7 @@ void MathCursor::insert(MathAtom const & t)
 		if (t->nargs())
 			selCut();
 		else
-			selDel();
+			selClearOrDel();
 	}
 
 	plainInsert(t);
@@ -653,7 +655,7 @@ void MathCursor::selCopy()
 	dump("selCopy");
 	if (selection_) {
 		theSelection.grab(*this);
-		selClear();
+		//selClear();
 	}
 }
 
@@ -686,6 +688,7 @@ void MathCursor::selDel()
 void MathCursor::selPaste()
 {
 	dump("selPaste");
+	selClearOrDel();
 	theSelection.paste(*this);
 	//theSelection.grab(*this);
 	//selClear();
@@ -720,6 +723,15 @@ void MathCursor::selClear()
 }
 
 
+void MathCursor::selClearOrDel()
+{
+	if (lyxrc.auto_region_delete)
+		selDel();
+	else
+		selClear();
+}
+
+
 void MathCursor::selGet(MathArray & ar)
 {
 	dump("selGet");
@@ -1478,13 +1490,14 @@ bool MathCursor::interpret(char c)
 		return true;
 	}
 
-	if (selection_) {
+	// just clear selection on pressing the space par
+	if (selection_ && c == ' ') {
 		selClear();
-		if (c == ' ')
-			return true;
-		// fall through in the other cases
+		return true;
 	}
 
+	selClearOrDel();
+
 	if (lastcode_ == LM_TC_TEXTRM || par()->asBoxInset()) {
 		// suppress direct insertion of two spaces in a row
 		// the still allows typing  '<space>a<space>' and deleting the 'a', but
diff --git a/src/mathed/math_cursor.h b/src/mathed/math_cursor.h
index 6d8748a203..3f03b6fa4e 100644
--- a/src/mathed/math_cursor.h
+++ b/src/mathed/math_cursor.h
@@ -148,6 +148,8 @@ public:
 	void selStart();
 	///
 	void selClear();
+	/// clears or deletes selection depending on lyxrc setting
+	void selClearOrDel();
 	///
 	void selGet(MathArray & ar);
 	///
-- 
2.39.5