From 1cf8b77d2798a43c979b71e16fd45d63b808f569 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Aptel?= <aurelien.aptel@gmail.com>
Date: Thu, 14 May 2009 01:03:17 +0200
Subject: handle tabulation (still not perfect)

---
 st.c | 14 ++++++++++++++
 st.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/st.c b/st.c
index ef0fd17..79fb161 100644
--- a/st.c
+++ b/st.c
@@ -558,6 +558,17 @@ escreset(void) {
 	memset(&escseq, 0, sizeof(escseq));
 }
 
+void
+tputtab(void) {
+    int space = TAB - term.c.x % TAB;
+    
+    if(term.c.x + space >= term.col)
+        space--;
+    
+    for(; space > 0; space--)
+        tputc(' ');
+}
+
 void
 tputc(char c) {
 	static int inesc = 0;
@@ -574,6 +585,9 @@ tputc(char c) {
 			tsetchar(c);
 			tcursor(CSright);
 			break;
+        case '\t':
+            tputtab();
+            break;
 		case '\b':
 			tcursor(CSleft);
 			break;
diff --git a/st.h b/st.h
index 87db5c2..4652a33 100644
--- a/st.h
+++ b/st.h
@@ -66,6 +66,8 @@ enum { CRset=1 , CRupdate=2 }; /* Character state */
 enum { TMwrap=1 , TMinsert=2 }; /* Terminal mode */
 enum { SCupdate, SCredraw }; /* screen draw mode */
 
+typedef int Color;
+
 typedef struct {
 	char c;     /* character code  */
 	char mode;  /* attribute flags */
-- 
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