X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=bef3039a8ad1c7d8b67e326ee3b071dd42f19f1f;hb=5c93f399c564f3475ffa4d3b3314a06db533e410;hp=f8d2257a270e09aac49c45083e08ef62cd06c26d;hpb=ce3f4fc647be3ab28f934db9365445a56ebd85bf;p=st.git

diff --git a/st.c b/st.c
index f8d2257..bef3039 100644
--- a/st.c
+++ b/st.c
@@ -136,6 +136,7 @@ static void tinsertblankline(int);
 static void tmoveto(int, int);
 static void tnew(int, int);
 static void tnewline(void);
+static void tputtab(void);
 static void tputc(char);
 static void tputs(char*, int);
 static void treset(void);
@@ -152,6 +153,9 @@ static void ttyread(void);
 static void ttyresize(int, int);
 static void ttywrite(const char *, size_t);
 
+static void xbell(void);
+static void xdraws(char *, Glyph, int, int, int);
+static void xhints(void);
 static void xclear(int, int, int, int);
 static void xcursor(int);
 static void xinit(void);
@@ -443,11 +447,6 @@ tmovecursor(int dir) {
 		break;
 	case CURSOR_LEFT:
 		xf--;
-		if(term.mode & MODE_WRAP && xf < 0) {
-			xf = term.col-1, yf--;
-			if(yf < term.top)
-				yf = term.top, xf = 0;
-		}
 		break;
 	case CURSOR_RIGHT:
 		xf++;
@@ -497,21 +496,21 @@ tdeletechar(int n) {
 		return;
 	}
 	memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
-	tclearregion(term.col-size, term.c.y, term.col-1, term.c.y);
+	tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
 }
 
 void
 tinsertblank(int n) {
 	int src = term.c.x;
 	int dst = src + n;
-	int size = term.col - n - src;
+	int size = term.col - dst;
 
 	if(dst >= term.col) {
 		tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
 		return;
 	}
 	memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph));
-	tclearregion(src, term.c.y, dst, term.c.y);
+	tclearregion(src, term.c.y, dst - 1, term.c.y);
 }
 
 void
@@ -862,12 +861,7 @@ csireset(void) {
 void
 tputtab(void) {
 	int space = TAB - term.c.x % TAB;
-	
-	if(term.c.x + space >= term.col)
-		space--;
-	
-	for(; space > 0; space--)
-		tmovecursor(CURSOR_RIGHT);
+	tmoveto(term.c.x + space, term.c.y);
 }
 
 void
@@ -1173,7 +1167,7 @@ xcursor(int mode) {
 	
 	if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
 		g.c = term.line[term.c.y][term.c.x].c;
-
+	
 	/* remove the old cursor */
 	if(term.line[oldy][oldx].state & GLYPH_SET)
 		xdraws(&term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1);