mirrors/foot
1
0
Fork 0
mirror of https://codeberg.org/dnkl/foot.git synced 2026-02-05 04:06:08 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

scrolling: fix crash when offset was exactly at the wrap-around

Browse source 
When making sure we don't scroll past the scrollback history, and the
current offset was exactly at the wrap around, the new view port was
set to offset+1, which in this particular case meant outside the valid
row numbers.
This commit is contained in:
Daniel Eklöf 2020-05-19 18:51:56 +02:00
parent 8ad3b9c172
commit 483ea4ae73
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
2 changed files with 5 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

3
CHANGELOG.md
View file

@ -26,6 +26,7 @@
* Number of lines to scroll is now always clamped to the number of
lines in the scrolling region..
### Deprecated
### Removed
### Fixed
@ -36,6 +37,8 @@
when the mouse button is released - not as soon as `shift` is
released.
* Selected cells did not appear selected if modified.
* Rare crash when scrolling and the new viewport ended up **exactly**
on the wrap around.
* Selection handling when viewport wrapped around.

4
commands.c
View file

@ -48,10 +48,10 @@ cmd_scrollback_up(struct terminal *term, int rows)
if (end >= term->grid->offset) {
/* Not wrapped */
if (new_view >= term->grid->offset && new_view <= end)
new_view = end + 1;
new_view = (end + 1) % term->grid->num_rows;
} else {
if (new_view >= term->grid->offset || new_view <= end)
new_view = end + 1;
new_view = (end + 1) % term->grid->num_rows;
}
while (term->grid->rows[new_view] == NULL)