X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=b148401a1693cde21d15566577258ac7d7abb791;hb=93661042a2a0cf6f3655360f5c52215c684a4211;hp=8b65450a38da1430fd95c8c6438a5f98afe6b232;hpb=6fd887077e29efd789499e06193314d7abdcac38;p=st.git

diff --git a/st.c b/st.c
index 8b65450..b148401 100644
--- a/st.c
+++ b/st.c
@@ -180,7 +180,6 @@ typedef unsigned short ushort;
 
 typedef XftDraw *Draw;
 typedef XftColor Color;
-typedef Colormap Colormap;
 
 typedef struct {
 	char c[UTF_SIZ]; /* character code */
@@ -703,6 +702,9 @@ selected(int x, int y) {
 
 void
 selsnap(int mode, int *x, int *y, int direction) {
+	int newx, newy, xt, yt;
+	Glyph *gp;
+
 	switch(mode) {
 	case SNAP_WORD:
 		/*
@@ -710,36 +712,31 @@ selsnap(int mode, int *x, int *y, int direction) {
 		 * beginning of a line.
 		 */
 		for(;;) {
-			if(direction < 0 && *x <= 0) {
-				if(*y > 0 && term.line[*y - 1][term.col-1].mode
-						& ATTR_WRAP) {
-					*y -= 1;
-					*x = term.col-1;
-				} else {
+			newx = *x + direction;
+			newy = *y;
+			if(!BETWEEN(newx, 0, term.col - 1)) {
+				newy += direction;
+				newx = (newx + term.col) % term.col;
+				if (!BETWEEN(newy, 0, term.row - 1))
 					break;
-				}
-			}
-			if(direction > 0 && *x >= term.col-1) {
-				if(*y < term.row-1 && term.line[*y][*x].mode
-						& ATTR_WRAP) {
-					*y += 1;
-					*x = 0;
-				} else {
+
+				if(direction > 0)
+					yt = *y, xt = *x;
+				else
+					yt = newy, xt = newx;
+				if(!(term.line[yt][xt].mode & ATTR_WRAP))
 					break;
-				}
 			}
 
-			if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
-				*x += direction;
-				continue;
-			}
+			if (newx >= tlinelen(newy))
+				break;
 
-			if(*x >= tlinelen(*y) || strchr(worddelimiters,
-					term.line[*y][*x+direction].c[0])) {
+			gp = &term.line[newy][newx];
+			if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
 				break;
-			}
 
-			*x += direction;
+			*x = newx;
+			*y = newy;
 		}
 		break;
 	case SNAP_LINE:
@@ -2318,19 +2315,14 @@ techo(char *buf, int len) {
 
 void
 tdeftran(char ascii) {
-	char c, (*bp)[2];
-	static char tbl[][2] = {
-		{'0', CS_GRAPHIC0}, {'B', CS_USA},
-		{0, 0}
-	};
-
-	for (bp = &tbl[0]; (c = (*bp)[0]) && c != ascii; ++bp)
-		/* nothing */;
+	static char cs[] = "0B";
+	static int vcs[] = {CS_GRAPHIC0, CS_USA};
+	char *p;
 
-	if (c == 0)
+	if((p = strchr(cs, ascii)) == NULL)
 		fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
 	else
-		term.trantbl[term.icharset] = (*bp)[1];
+		term.trantbl[term.icharset] = vcs[p - cs];
 }
 
 void