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patch 8.1.1327: unnecessary scroll after horizontal split

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Problem:    Unnecessary scroll after horizontal split.
Solution:   Don't adjust to fraction if all the text fits in the window.
            (Martin Kunev, closes #4367)
This commit is contained in:
Bram Moolenaar
2019-05-12 14:25:30 +02:00
parent 8aad88d8de
commit a9b2535f44
3 changed files with 45 additions and 3 deletions
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10
src/window.c
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@@ -5827,9 +5827,13 @@ scroll_to_fraction(win_T *wp, int prev_height)
int sline, line_size;
int height = wp->w_height;
// Don't change w_topline when height is zero. Don't set w_topline when
// 'scrollbind' is set and this isn't the current window.
if (height > 0 && (!wp->w_p_scb || wp == curwin))
// Don't change w_topline in any of these cases:
// - window height is 0
// - 'scrollbind' is set and this isn't the current window
// - window height is sufficient to display the whole buffer
if (height > 0
&& (!wp->w_p_scb || wp == curwin)
&& (height < wp->w_buffer->b_ml.ml_line_count))
{
/*
* Find a value for w_topline that shows the cursor at the same