Fix 'make_lispy_position' for left margin clicks (Bug#79846)

* src/keyboard.c (make_lispy_position): When calculating a
position in the left margin skip any scroll bar on the left of
the associated window (Bug#79846).

1 files changed, 2 insertions, 1 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 016a79082aa..6c01811c2d8 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -5872,7 +5872,8 @@ make_lispy_position (struct frame *f, Lisp_Object x, Lisp_Object y,
           ptrdiff_t charpos;
 
           posn = (part == ON_LEFT_MARGIN) ? Qleft_margin : Qright_margin;
-          col = wx;
+          /* Skip any scroll bar on the left (Bug#79846).  */
+          col = wx - WINDOW_LEFT_SCROLL_BAR_AREA_WIDTH (w);
           row = wy;
           string = marginal_area_string (w, part, &col, &row, &charpos,
                                          &object, &dx, &dy, &width, &height);