measure rune width

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

add Makefile

Signed-off-by: kurth4cker <kurth4cker@gmail.com>

support ascii color escapes

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

Minor for-each changes

Signed-off-by: Drew DeVault <sir@cmpwn.com>

fix scrollup

before this,
pageup would stop at the second page (ie not reach the first one).

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

impl action_bottom

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

don't skip non-ascii characters

eg ù, à

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

add HOME and END keys

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

update for stdlib changes

Signed-off-by: Curtis Arthaud <uku82@gmx.fr>

Bind UP to action_up

Implement C-u and C-d

Implement action_top

(mostly) fix scrolling up from EOF

most: implement scrolling up

This only works on seekable files. TODO: Implement read caching overlay
stream which makes non-seekable streams seekable by stashing reads in
memory.

Add more scroll down bindings

Implement scrolling down

refactor line drawing and add configuration

reorder state struct

Draw ellipsis at end of long lines

Initial commit