From 7a8b46816556339059878cf62dbe142552de953a Mon Sep 17 00:00:00 2001
From: axel <axel@liljencrantz.se>
Date: Mon, 9 Oct 2006 11:15:29 +1000
Subject: [PATCH] Allow Meta-newline to always insert a newline character

darcs-hash:20061009011529-ac50b-c8e3d77b569bc445e586c95aca01e4433fbff598.gz
---
 input.c  | 26 ++++++++++++++++++++++----
 input.h  |  3 ++-
 reader.c | 12 +++++++++---
 3 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/input.c b/input.c
index 833e78083..406e4b2e2 100644
--- a/input.c
+++ b/input.c
@@ -130,7 +130,8 @@ static const wchar_t *name_arr[] =
 	L"self-insert",
 	L"null",
 	L"eof",
-	L"vi-arg-digit"
+	L"vi-arg-digit",
+	L"execute"
 }
 	;
 
@@ -207,7 +208,8 @@ static const wchar_t code_arr[] =
 	R_SELF_INSERT,
 	R_NULL,
 	R_EOF,
-	R_VI_ARG_DIGIT
+	R_VI_ARG_DIGIT,
+	R_EXECUTE
 }
 	;
 
@@ -1222,6 +1224,14 @@ static void add_common_bindings()
 	*/
 	for( i=0; i<3; i++ )
 	{
+		add_mapping( name[i], L"\n", L"Execute contents of commandline", L"execute" );
+		
+		/*
+		  This will make Meta-newline insert a newline, since
+		  self-insert ignored the escape character unless it is the
+		  only character of the sequence.
+		*/
+		add_mapping( name[i], L"\e\n", L"Meta-newline", L"self-insert" );
 		/*
 		  We need alternative keybidnings for arrowkeys, since
 		  terminfo sometimes specifies a different sequence than what
@@ -1509,6 +1519,7 @@ static wint_t input_exec_binding( mapping *m, const wchar_t *seq )
 	{				
 		switch( code )
 		{
+
 			case R_DUMP_FUNCTIONS:
 			{
 				for( i=0; i<repeat_count; i++ )
@@ -1519,10 +1530,17 @@ static wint_t input_exec_binding( mapping *m, const wchar_t *seq )
 
 			case R_SELF_INSERT:
 			{
+				int idx = 0;
+
+				if( seq[0] == L'\e' && seq[1] )
+				{
+					idx = 1;
+				}
+				
 				for( i=1; i<repeat_count; i++ )
-					input_unreadch( seq[0] );							
+					input_unreadch( seq[idx] );							
 				repeat_count = 1;				
-				return seq[0];							
+				return seq[idx];							
 			}
 
 			case R_VI_ARG_DIGIT:
diff --git a/input.h b/input.h
index 619c8d816..867099e3e 100644
--- a/input.h
+++ b/input.h
@@ -45,7 +45,8 @@ enum
 	R_HISTORY_TOKEN_SEARCH_FORWARD,
 	R_SELF_INSERT,
 	R_VI_ARG_DIGIT,
-	R_VI_DELETE_TO
+	R_VI_DELETE_TO,
+	R_EXECUTE
 }
 ;
 
diff --git a/reader.c b/reader.c
index b789a919a..390a0b32c 100644
--- a/reader.c
+++ b/reader.c
@@ -2248,8 +2248,12 @@ wchar_t *reader_readline()
 				break;
 			}
 
-			/* Newline, evaluate*/
-			case L'\n':
+			/*
+			  Evaluate. If the current command is unfinished, or if
+			  the charater is escaped using a backslash, insert a
+			  newline
+			*/
+			case R_EXECUTE:
 			{
 				/*
 				  Allow backslash-escaped newlines
@@ -2443,8 +2447,10 @@ wchar_t *reader_readline()
 			/* Other, if a normal character, we add it to the command */
 			default:
 			{
-				if( (!wchar_private(c)) && (c>31) && (c != 127) )
+				if( (!wchar_private(c)) && (( (c>31) || (c=L'\n'))&& (c != 127)) )
+				{
 					insert_char( c );
+				}
 				else
 				{
 					/*