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Diffstat (limited to 'src/xdisp.c')
-rw-r--r--src/xdisp.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/src/xdisp.c b/src/xdisp.c
index e6bbd859fe..b72577ea07 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1406,6 +1406,7 @@ pos_visible_p (struct window *w, ptrdiff_t charpos, int *x, int *y,
struct text_pos top;
int visible_p = 0;
struct buffer *old_buffer = NULL;
+ bool r2l = false;
if (FRAME_INITIAL_P (XFRAME (WINDOW_FRAME (w))))
return visible_p;
@@ -1691,6 +1692,8 @@ pos_visible_p (struct window *w, ptrdiff_t charpos, int *x, int *y,
*rowh = max (0, (min (bottom_y, it.last_visible_y)
- max (top_y, window_top_y)));
*vpos = it.vpos;
+ if (it.bidi_it.paragraph_dir == R2L)
+ r2l = true;
}
}
else
@@ -1720,6 +1723,8 @@ pos_visible_p (struct window *w, ptrdiff_t charpos, int *x, int *y,
- max (it2.current_y,
WINDOW_HEADER_LINE_HEIGHT (w))));
*vpos = it2.vpos;
+ if (it2.bidi_it.paragraph_dir == R2L)
+ r2l = true;
}
else
bidi_unshelve_cache (it2data, 1);
@@ -1729,10 +1734,20 @@ pos_visible_p (struct window *w, ptrdiff_t charpos, int *x, int *y,
if (old_buffer)
set_buffer_internal_1 (old_buffer);
- if (visible_p && w->hscroll > 0)
- *x -=
- window_hscroll_limited (w, WINDOW_XFRAME (w))
- * WINDOW_FRAME_COLUMN_WIDTH (w);
+ if (visible_p)
+ {
+ if (w->hscroll > 0)
+ *x -=
+ window_hscroll_limited (w, WINDOW_XFRAME (w))
+ * WINDOW_FRAME_COLUMN_WIDTH (w);
+ /* For lines in an R2L paragraph, we need to mirror the X pixel
+ coordinate wrt the text area. For the reasons, see the
+ commentary in buffer_posn_from_coords and the explanation of
+ the geometry used by the move_it_* functions at the end of
+ the large commentary near the beginning of this file. */
+ if (r2l)
+ *x = window_box_width (w, TEXT_AREA) - *x - 1;
+ }
#if 0
/* Debugging code. */