From 5938fa9d32379815757a83076069584f29a8d276 Mon Sep 17 00:00:00 2001
From: Christoph Lohmann <20h@r-36.net>
Date: Sat, 4 May 2013 08:01:17 +0200
Subject: Better comments for the snapping code.
---
st.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/st.c b/st.c
index 533fb0a..d73aaa1 100644
--- a/st.c
+++ b/st.c
@@ -681,6 +681,10 @@ void
selsnap(int mode, int *x, int *y, int direction) {
switch(mode) {
case SNAP_WORD:
+ /*
+ * Snap around if the word wraps around at the end or
+ * beginning of a line.
+ */
for(;;) {
if(direction < 0 && *x <= 0) {
if(*y > 0 && term.line[*y - 1][term.col-1].mode
@@ -708,6 +712,11 @@ selsnap(int mode, int *x, int *y, int direction) {
}
break;
case SNAP_LINE:
+ /*
+ * Snap around if the the previous line or the current one
+ * has set ATTR_WRAP at its end. Then the whole next or
+ * previous line will be selected.
+ */
*x = (direction < 0) ? 0 : term.col - 1;
if(direction < 0 && *y > 0) {
for(; *y > 0; *y += direction) {
--
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