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commit 911ba5674bc4eb53a2ed548856a50032c39ca7f2
parent a53017c8b47f511cf0462ac910cf9223a31ceb2f
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sun, 28 Apr 2013 18:14:15 +0200

Selection snapping is now considering wrapping.

Thanks Alexander Rezinsky <alexrez@gmail.com> for mentioning this!

Diffstat:
M
st.c
 | 
42
+++++++++++++++++++++++++++++++++++++++---

1 file changed, 39 insertions(+), 3 deletions(-)
diff --git a/st.c b/st.c
@@ -681,13 +681,49 @@ void
 selsnap(int mode, int *x, int *y, int direction) {
     switch(mode) {
     case SNAP_WORD:
-        while(*x > 0 && *x < term.col-1
-                && term.line[*y][*x + direction].c[0] != ' ') {
+        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 {
+                    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 {
+                    break;
+                }
+            }
+
+            if(term.line[*y][*x + direction].c[0] == ' ')
+                break;
+
             *x += direction;
         }
         break;
     case SNAP_LINE:
         *x = (direction < 0) ? 0 : term.col - 1;
+        if(direction < 0 && *y > 0) {
+            for(; *y > 0; *y += direction) {
+                if(!(term.line[*y-1][term.col-1].mode
+                        & ATTR_WRAP)) {
+                    break;
+                }
+            }
+        } else if(direction > 0 && *y < term.row-1) {
+            for(; *y < term.row; *y += direction) {
+                if(!(term.line[*y][term.col-1].mode
+                        & ATTR_WRAP)) {
+                    break;
+                }
+            }
+        }
         break;
     default:
         break;
@@ -820,7 +856,7 @@ bpress(XEvent *e) {
             sel.snap = 0;
         }
         selsnap(sel.snap, &sel.bx, &sel.by, -1);
-        selsnap(sel.snap, &sel.ex, &sel.ey, 1);
+        selsnap(sel.snap, &sel.ex, &sel.ey, +1);
         sel.b.x = sel.bx;
         sel.b.y = sel.by;
         sel.e.x = sel.ex;