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render: resize: fix cursor positioning at grid wrap around

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When current view is at a grid wrap around (last emitted row index is
< grid offset), the cursor row ended up being negative which we then
mapped to the top line.

This is wrong. When we're at a wrap around, re-adjust cursor by adding
the grid's row count.
This commit is contained in:
Daniel Eklöf 2020-02-10 22:36:39 +01:00
parent 8d262e71c1
commit 3ad2ee7681
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GPG key ID: 5BBD4992C116573F
1 changed files with 6 additions and 2 deletions
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8
render.c
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@ -1221,8 +1221,12 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
/* Position cursor at the last copied row */
/* TODO: can we do better? */
int cursor_row = term->grid == &term->normal
? last_normal_row - term->normal.offset - 1
: last_alt_row - term->alt.offset - 1;
? last_normal_row - term->normal.offset
: last_alt_row - term->alt.offset;
while (cursor_row < 0)
cursor_row += term->grid->num_rows;
cursor_row--;
term_cursor_to(
term,