Change the behavior of word snapping on delimiters

This makes any sequence of identical delimiters be considered a single
word in word-snapping mode. This seems more coherent for this mode and
is similar to what xterm does.

Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>

1 files changed, 9 insertions, 2 deletions

diff --git a/st.c b/st.c
index 01ab962..497885b 100644
--- a/st.c
+++ b/st.c
@@ -709,7 +709,8 @@ selected(int x, int y) {
 void
 selsnap(int mode, int *x, int *y, int direction) {
         int newx, newy, xt, yt;
-        Glyph *gp;
+        bool delim, prevdelim;
+        Glyph *gp, *prevgp;
 
         switch(mode) {
         case SNAP_WORD:
@@ -717,6 +718,8 @@ selsnap(int mode, int *x, int *y, int direction) {
                  * Snap around if the word wraps around at the end or
                  * beginning of a line.
                  */
+                prevgp = &term.line[*y][*x];
+                prevdelim = strchr(worddelimiters, prevgp->c[0]) != NULL;
                 for(;;) {
                         newx = *x + direction;
                         newy = *y;
@@ -738,11 +741,15 @@ selsnap(int mode, int *x, int *y, int direction) {
                                 break;
 
                         gp = &term.line[newy][newx];
-                        if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
+                        delim = strchr(worddelimiters, gp->c[0]) != NULL;
+                        if(!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
+                                        || (delim && gp->c[0] != prevgp->c[0])))
                                 break;
 
                         *x = newx;
                         *y = newy;
+                        prevgp = gp;
+                        prevdelim = delim;
                 }
                 break;
         case SNAP_LINE: