patch 8.0.1707: when 'wfh' is set ":bel 10new" scrolls window
Problem: When 'wfh' is set ":bel 10new" scrolls window. (Andrew Pyatkov)
Solution: Set the fraction before changing the window height. (closes #2798)
diff --git a/src/window.c b/src/window.c
index a1b2a45..333663b 100644
--- a/src/window.c
+++ b/src/window.c
@@ -778,6 +778,7 @@
int before;
int minheight;
int wmh1;
+ int did_set_fraction = FALSE;
if (flags & WSP_TOP)
oldwin = firstwin;
@@ -959,6 +960,11 @@
* instead, if possible. */
if (oldwin->w_p_wfh)
{
+ /* Set w_fraction now so that the cursor keeps the same relative
+ * vertical position using the old height. */
+ set_fraction(oldwin);
+ did_set_fraction = TRUE;
+
win_setheight_win(oldwin->w_height + new_size + STATUS_HEIGHT,
oldwin);
oldwin_height = oldwin->w_height;
@@ -1088,7 +1094,8 @@
/* Set w_fraction now so that the cursor keeps the same relative
* vertical position. */
- set_fraction(oldwin);
+ if (!did_set_fraction)
+ set_fraction(oldwin);
wp->w_fraction = oldwin->w_fraction;
if (flags & WSP_VERT)