From 3eedbbbf0ef16a3e96f76d3f6f2e1750be52a5ac Mon Sep 17 00:00:00 2001
From: Adrien Destugues <pulkomandy@pulkomandy.ath.cx>
Date: Mon, 16 Aug 2010 13:11:51 +0000
Subject: [PATCH] =?UTF-8?q?Handle=20more=20pseudo=C3=83-graphic=20characte?=
 =?UTF-8?q?rs=20and=20ways=20of=20using=20them.=20This=20gets=20aptitude?=
 =?UTF-8?q?=20(from=20debian=C3=83)=20displaying=20properly=20and=20should?=
 =?UTF-8?q?=20also=20fix=20midnight=20commander.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38139 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/apps/terminal/TermParse.cpp | 62 ++++++++++++++++++++++++++++++---
 src/apps/terminal/VTPrsTbl.c    | 12 +++----
 2 files changed, 64 insertions(+), 10 deletions(-)

diff --git a/src/apps/terminal/TermParse.cpp b/src/apps/terminal/TermParse.cpp
index 5ba7211c92..a78cda3329 100644
--- a/src/apps/terminal/TermParse.cpp
+++ b/src/apps/terminal/TermParse.cpp
@@ -330,6 +330,10 @@ TermParse::EscParse()
 	int *groundtable = gUTF8GroundTable;
 	int *parsestate = gUTF8GroundTable;
 
+	/* Handle switch between G0 and G1 character sets */
+	int *alternateParseTable = gUTF8GroundTable;
+	bool shifted_in = false;
+
 	int32 srcLen;
 	int32 dstLen;
 	long dummyState = 0;
@@ -453,6 +457,9 @@ TermParse::EscParse()
 				case CASE_PRINT_GRA:
 					/* "Special characters and line drawing" enabled by \E(0 */
 					switch (c) {
+						case 'a':
+							fBuffer->InsertChar("\xE2\x96\x92",3,fAttr);
+							break;
 						case 'j':
 							fBuffer->InsertChar("\xE2\x94\x98",3,fAttr);
 							break;
@@ -465,9 +472,26 @@ TermParse::EscParse()
 						case 'm':
 							fBuffer->InsertChar("\xE2\x94\x94",3,fAttr);
 							break;
+						case 'n':
+							fBuffer->InsertChar("\xE2\x94\xBC",3,fAttr);
+							break;
 						case 'q':
+							fBuffer->InsertChar("\xE2\x94\x80",3,fAttr);
+							break;
+						case 't':
+							fBuffer->InsertChar("\xE2\x94\x9C",3,fAttr);
+							break;
+						case 'u':
+							fBuffer->InsertChar("\xE2\x94\xA4",3,fAttr);
+							break;
+						case 'v':
+							fBuffer->InsertChar("\xE2\x94\xB4",3,fAttr);
+							break;
+						case 'w':
+							fBuffer->InsertChar("\xE2\x94\xAC",3,fAttr);
 							break;
 						case 'x':
+							fBuffer->InsertChar("\xE2\x94\x82",3,fAttr);
 							break;
 						default:
 							fBuffer->InsertChar((char)c, fAttr);
@@ -542,11 +566,29 @@ TermParse::EscParse()
 					break;
 
 				case CASE_SCS_STATE:
-					if (_NextParseChar() == '0')
-						parsestate = gLineDrawTable;
-					else
-						parsestate = groundtable;
+				{
+					char page = _NextParseChar();
+
+					int* newTable = gUTF8GroundTable;
+					if (page == '0')
+						newTable = gLineDrawTable;
+
+					if (c == '(') {
+						if (shifted_in)
+							alternateParseTable = newTable;
+						else
+							groundtable = newTable;
+					} else if (c == ')') {
+						if (!shifted_in)
+							alternateParseTable = newTable;
+						else
+							groundtable = newTable;
+					}
+
+					parsestate = groundtable;
+
 					break;
+				}
 
 				case CASE_GROUND_STATE:
 					/* exit ignore mode */
@@ -585,9 +627,21 @@ TermParse::EscParse()
 					break;
 
 				case CASE_SI:
+					/* shift in (to G1 charset) */
+					if (shifted_in == false) {
+						int* tmp = alternateParseTable;
+						alternateParseTable = parsestate;
+						parsestate = tmp;
+					}
 					break;
 
 				case CASE_SO:
+					/* shift out (to G0 charset) */
+					if (shifted_in == true) {
+						int* tmp = alternateParseTable;
+						alternateParseTable = parsestate;
+						parsestate = tmp;
+					}
 					break;
 
 				case CASE_SCR_STATE:	// ESC #
diff --git a/src/apps/terminal/VTPrsTbl.c b/src/apps/terminal/VTPrsTbl.c
index 724f3e507d..b94bcb4e68 100644
--- a/src/apps/terminal/VTPrsTbl.c
+++ b/src/apps/terminal/VTPrsTbl.c
@@ -4849,7 +4849,7 @@ CASE_PRINT,
 CASE_PRINT,
 /*	`		a		b		c	*/
 CASE_PRINT,
-CASE_PRINT,
+CASE_PRINT_GRA,
 CASE_PRINT,
 CASE_PRINT,
 /*	d		e		f		g	*/
@@ -4865,7 +4865,7 @@ CASE_PRINT_GRA,
 /*	l		m		n		o	*/
 CASE_PRINT_GRA,
 CASE_PRINT_GRA,
-CASE_PRINT,
+CASE_PRINT_GRA,
 CASE_PRINT,
 /*	p		q		r		s	*/
 CASE_PRINT,
@@ -4873,10 +4873,10 @@ CASE_PRINT_GRA,
 CASE_PRINT,
 CASE_PRINT,
 /*	t		u		v		w	*/
-CASE_PRINT,
-CASE_PRINT,
-CASE_PRINT,
-CASE_PRINT,
+CASE_PRINT_GRA,
+CASE_PRINT_GRA,
+CASE_PRINT_GRA,
+CASE_PRINT_GRA,
 /*	x		y		z		{	*/
 CASE_PRINT_GRA,
 CASE_PRINT,