Mitchell Hashimoto
a471eaf980
drop a couple function calls and optimize scrolling a bit
2022-11-08 18:35:19 -08:00
Mitchell Hashimoto
306ab947e7
implement region scrolling directly in screen to use memcpy
...
This doubles scroll region scrolling speed.
2022-11-08 17:35:15 -08:00
Mitchell Hashimoto
c1a9184ebd
sgr: parse italic (render not implemented)
2022-11-07 14:04:40 -08:00
Mitchell Hashimoto
79f69885ca
update to latest zig which renames @min/@max
2022-10-19 10:42:31 -07:00
Mitchell Hashimoto
b18309187e
Strikethrough ( #19 )
...
Not as straightforward as it sounds, but not hard either:
* Read OS/2 sfnt tables from TrueType fonts
* Calculate strikethrough position/thickness (prefer font-advertised if possible, calculate if not)
* Plumb the SGR code through the terminal state -- does not increase cell memory size
* Modify the shader to support it
The shaders are getting pretty nasty after this... there's tons of room for improvement. I chose to follow the existing shader style for this to keep it straightforward but will likely soon refactor the shaders.
2022-10-06 15:03:19 -07:00
Mitchell Hashimoto
7bde20a43d
a cell is empty only if it also has no styling
...
Previously we only checked if it had no character. With text shaping,
this was causing runs of only empty backgrounds to not render.
2022-09-13 10:12:44 -07:00
Mitchell Hashimoto
662b656218
implement LRU row GPU cell caching
2022-09-12 11:28:47 -07:00
Mitchell Hashimoto
8995e74e23
rows are dirty when initialized
2022-09-10 11:01:40 -07:00
Mitchell Hashimoto
08b7a866b6
Screen dirty tracking
2022-09-10 10:59:57 -07:00
Mitchell Hashimoto
98dff5a163
better handling of combination characters
2022-09-07 20:10:06 -07:00
Mitchell Hashimoto
85dff335f1
much more accurate run splits and cell widths in runs
2022-09-07 10:30:40 -07:00
Mitchell Hashimoto
3754de3b95
test very long emoji
2022-09-06 14:21:07 -07:00
Mitchell Hashimoto
802f230fa2
handle graphemes with more than 1 joiner
2022-09-05 10:35:22 -07:00
Mitchell Hashimoto
47242ad12a
test writing graphemes
2022-09-05 10:29:52 -07:00
Mitchell Hashimoto
7ceff79ea9
various methods on Row are grapheme-aware and tested
2022-09-05 09:47:35 -07:00
Mitchell Hashimoto
b3ec7028fb
detect and attach grapheme to grapheme data
2022-09-04 21:57:07 -07:00
Mitchell Hashimoto
a605ff07e1
setup flags, storage for graphemes
2022-09-04 11:17:41 -07:00
Mitchell Hashimoto
e6564dfd11
fix some resize crashes
2022-09-04 09:43:20 -07:00
Mitchell Hashimoto
f417659368
on resize, if rows increasing, handle that first
2022-09-03 22:33:20 -07:00
Mitchell Hashimoto
f3f60e47d1
clearHistory
2022-09-03 21:40:03 -07:00
Mitchell Hashimoto
6373900dfa
comment on screen struct
2022-09-03 21:35:43 -07:00
Mitchell Hashimoto
c0e36bedd6
remove dirty for now
2022-09-03 21:26:49 -07:00
Mitchell Hashimoto
3d0ec16ad4
resize with shrinking cols
2022-09-03 21:25:06 -07:00
Mitchell Hashimoto
7134ddec4e
resize less rows
2022-09-03 17:59:24 -07:00
Mitchell Hashimoto
1121438d8a
maybe clean up resize more cols
2022-09-03 17:50:04 -07:00
Mitchell Hashimoto
d6e243cde1
resize with reflow more cols
2022-09-03 17:28:26 -07:00
Mitchell Hashimoto
2583b8cb65
fix y pos on resize
2022-09-03 12:25:26 -07:00
Mitchell Hashimoto
41f2b756ae
fix scrolling and new row calculation
2022-09-03 12:18:45 -07:00
Mitchell Hashimoto
d22a323896
clean up some assertions
2022-09-01 23:25:51 -07:00
Mitchell Hashimoto
8d6e8eb0aa
asserts not being optimized away, use comptime gate
2022-09-01 22:21:54 -07:00
Mitchell Hashimoto
57725cf3a4
cache row iterator max value
2022-09-01 22:05:42 -07:00
Mitchell Hashimoto
5aa6d79519
screen: cache history offset
...
This is a super hot calculation so taking up memory to cache it resulted
in 15m less function calls when catting a 10mb file, and ~5% speedup.
2022-09-01 21:36:59 -07:00
Mitchell Hashimoto
73581eee0b
small optimizations
2022-09-01 18:36:27 -07:00
Mitchell Hashimoto
30a14d230e
process ASCII events manually to avoid function call overhead
2022-09-01 17:53:40 -07:00
Mitchell Hashimoto
d404be2993
grow our scrollback much faster
2022-09-01 01:15:20 -07:00
Mitchell Hashimoto
dba027d307
resize should maintain minimum of screen rows
2022-09-01 01:09:06 -07:00
Mitchell Hashimoto
77c8ec0a20
the big screen switchover
2022-09-01 00:58:47 -07:00
Mitchell Hashimoto
36140d3ee9
TODO
2022-08-29 20:26:02 -07:00
Mitchell Hashimoto
0505018186
Line segmentation into text runs
2022-08-29 16:39:48 -07:00
Mitchell Hashimoto
65df657b4e
make cell attrs bools instead of u1s
2022-08-26 11:09:48 -07:00
Mitchell Hashimoto
46bbab5d10
ignore zero-width characters for now
2022-08-24 13:48:22 -07:00
Mitchell Hashimoto
28072157d5
selection of wide chars and copy/paste works
2022-08-20 17:10:10 -07:00
Mitchell Hashimoto
da79aae0ab
terminal: print wide characters
2022-08-20 16:11:48 -07:00
Mitchell Hashimoto
ad1cdbcd59
implement erase display scrollback ("clear" command)
2022-08-09 09:22:34 -07:00
Mitchell Hashimoto
fb5afbedd2
add screen .history tag to fetch scrollback region
2022-08-09 09:18:10 -07:00
Mitchell Hashimoto
38af14ff3a
resize alt screen without reflow
2022-08-08 21:14:27 -07:00
Mitchell Hashimoto
f82493cccf
when growing cols, adjust viewport and cursor if we shorten
2022-08-08 20:52:36 -07:00
Mitchell Hashimoto
16a5a45293
when growing rows, offset cursor by added rows
2022-08-08 18:14:11 -07:00
Mitchell Hashimoto
d551f1126b
when less cols, cursor needs to be in screen space, not viewport
2022-08-08 17:47:16 -07:00
Mitchell Hashimoto
113b5a318b
when shrinking rows, clear empty space from the end (see test case)
2022-08-08 17:24:10 -07:00
