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77 Commits

Author SHA1 Message Date
Kovid Goyal
a30ea2b7f8 Implement progressive enhancement of key event reporting 2021-01-16 20:52:12 +05:30
Kovid Goyal
b3ed4c3f40 Simplify implementation of REP 
Also make it align more with the standard by using the actual last drawn
graphics character rather than the character before the cursor
 2021-01-03 04:38:02 +05:30
Kovid Goyal
5f8dee8384 Add support for the color settings stack that XTerm copied from us without acknowledgement and decided to use incompatible escape codes for. 
Completely in keeping with that project's past behavior.
See https://github.com/kovidgoyal/kitty/issues/879

XTerm announcement:
https://www.mail-archive.com/xorg@lists.x.org/msg06419.html
 2020-12-21 21:39:05 +05:30
Kovid Goyal
05eb07caf5 Add to changelog for last merge 
Also remove a spurious return that was disabling a test. Fixes #3113
 2020-11-20 20:23:23 +05:30
Roman Perepelitsa
620eaf1ada Change the flow of lines from the scroll region to the scrollback 
There are two user-visible changes in here:

1. If a scroll region is set such that there is a bottom margin and no
   top margin, scrolling the region forward used to discard the top
   lines. Now those lines are appended to the scrollback.
   ```shell
   # Assuming a terminal window with 24 lines.
   printf '\033[H\033[J\033[3J\033[0;5r' && seq 100
   ```
   This command used to result in an empty scrollback. Now it contains
   the numbers 1-96.
2. If a scroll region is set such that there is a top margin and no bottom
   margin, scrolling the region forward used to append the top lines to
   the scrollback. Now these lines are discarded.
   ```shell
   # Assuming a terminal window with 24 lines.
   printf '\033[H\033[J\033[3J\033[2;24r' && seq 100
   ```
   This command used to populate scrollback with the numbers 2-78. Now
   the scrollback is empty. The numbers on the screen are the same as
   before: 1 and 79-100.

Related issue: #3113.
 2020-11-20 15:41:57 +01:00
Kovid Goyal
9816979169 Don't restrict the DCH control code to only the current scroll region 
Matches behavior of other terminal emulators.  Fixes #3090
 2020-11-12 11:44:09 +05:30
Kovid Goyal
fb72be41f4 Add a test for serializing id less hyperlinks 2020-09-22 17:52:40 +05:30
Kovid Goyal
9d4246a285 Output hyperlink markup when serializing as ANSI 2020-09-22 16:18:22 +05:30
Kovid Goyal
fdaf857885 Add more tests for pagerhist 2020-09-22 09:05:40 +05:30
Kovid Goyal
b5007ba276 Store pager history in UTF-8 
Reduces storage requirement by a fator of 4 at the cost of some CPU
usage, to encode to UTF-8
 2020-09-21 12:29:10 +05:30
Kovid Goyal
bf19d2b156 Add some tests for the pagerhist code 2020-09-21 09:08:46 +05:30
Kovid Goyal
a78515e5bf Remove the max size limit for line_as_ansi 
Needed for output of hyperlinks, also more efficient, since avoids
malloc per line. Also fix pagerhist not having SGR reset at the start of
every line.
 2020-09-20 11:26:59 +05:30
Kovid Goyal
9293d9b0ed Add some tests for hyperlink marking 2020-09-10 10:47:28 +05:30
Kovid Goyal
c8e2061e2a Move hyperlink to end of hash table when re-referenced 2020-09-10 10:47:27 +05:30
Kovid Goyal
78dc93721d Add tests for hyperlink storage 2020-09-10 10:47:27 +05:30
Kovid Goyal
c9252e8639 When erasing in display upto cursor, the line containing the cursor should be marked as not continued. 
Also add some tests for the action of ED on continued flags
 2020-06-29 14:29:03 +05:30
Kovid Goyal
5e48ae8bac pep8 2020-05-12 22:54:08 +05:30
Kovid Goyal
b4d08044a0 ... 2020-04-12 17:01:39 +05:30
Kovid Goyal
d1a5d30233 Add another test for marking 2020-04-12 16:54:38 +05:30
Kovid Goyal
082546a1e7 Marks: Fix marks not handling wide characters and tab characters correctly 
Fixes #2534
 2020-04-12 13:28:21 +05:30
Kovid Goyal
6b1ea326a0 Initial implementation of half cell based selection 2020-02-25 20:03:14 +05:30
Kovid Goyal
4512d0dbac Update test for changes to ANSI serialization 2020-02-25 19:23:05 +05:30
Kovid Goyal
6f1fda0a48 Store cell half information in selection objects 2020-02-18 17:45:07 +05:30
Kovid Goyal
936f2186cc Allow scrolling to marks 2020-01-15 07:11:34 +05:30
Kovid Goyal
35fb702833 Use only a single marker function 
Multipe colors/expressions can instead be combined at definition time
 2020-01-13 11:57:19 +05:30
Kovid Goyal
51c4737a29 Test function marking 2020-01-13 06:50:37 +05:30
Kovid Goyal
d63ea11cac Marking now works 2020-01-13 06:50:37 +05:30
Kovid Goyal
32dfc94909 Implement a hack to (mostly) preserve tabs when cat a file with them and then copying the text or passing screen contents to another program 
It's a simple enough hack that it seems worth doing. If it causes any
issues, can always be reverted.

Fixes #1829
 2019-08-31 12:37:05 +05:30
Luflosi
a792c94ccf Use python3 shebang for all python scripts 
Fixes #1624.
Use python3 shebang for all python scripts as python still defaults to python2 on many systems.
 2019-05-20 14:44:24 +02:00
Kovid Goyal
529337e00a Ensure cursor is correctly positioned after emoji presentation char + VS15 
cursor should be on the cell immediately after the the char since the
variation selector makes the char one cell wide.
 2019-05-13 20:18:41 +05:30
Dominique Martinet
c421d3bb59 line_as_ansi: don't reset SGR at start of line 
less does not carry the mode over from the previous line anyway, let's
save a few bytes for every line
 2018-09-22 19:10:09 +09:00
Kovid Goyal
a08b945124 Forgot to revert test 2018-09-09 14:02:46 +05:30
Kovid Goyal
7f0674ac27 Fix backspacing of wide characters in wide-character unaware programs not working 
Fixes #875
 2018-09-07 10:08:25 +05:30
Kovid Goyal
094ddd9333 Round-trip the zwj unicode character 
Rendering of sequences containing zwj is still not implemented, since it
can cause the collapse of an unbounded number of characters into a
single cell. However, kitty at least preserves the zwj by storing it as
a combining character.
 2018-08-04 18:29:45 +05:30
Kovid Goyal
000c1cf306 Implement support for emoji skin tone modifiers 
Fixes #787
 2018-08-04 10:06:25 +05:30
Kovid Goyal
7a7262923b Fix a regression in 0.10 that caused incorrect rendering of the status bar in irssi when used inside screen. 
Fixes #621. The cursor in margin check was incorrect causing upwards
movement of the cursor when below the bottom margin to be incorrect.
 2018-06-11 10:13:21 +05:30
Kovid Goyal
ba9af3df8c Fix moving cursor outside a defined page area incorrectly causing the cursor to be placed inside the page area. Caused incorrect rendering in neovim, which relies on this behavior. 
Fixes #542
 2018-05-19 08:04:37 +05:30
Kovid Goyal
1fe936dbbc Fix off by one when restoring cursor position after resize. Fixes #344 2018-02-25 09:15:48 +05:30
Kovid Goyal
0bda7b3679 When running kittens respect current screen scroll 2018-02-14 18:35:32 +05:30
Kovid Goyal
fc7ec1d3f7 Get rid of the option to use the system wcwidth 
The system wcwidth() is often wrong. Not to mention that if you SSH into
a different machine, then you have a potentially different wcwidth. The
only sane way to deal with this is to use the unicode standard.
 2018-02-04 21:02:30 +05:30
Kovid Goyal
2ee9844c2b Track cursor position explicitly during rewrap 
Instead of using heuristics to position the cursor after a resize, track
the position during re-wrapping and place the cursor at the re-wrapped
position. Fixes #242 (I hope)
 2018-02-02 13:06:18 +05:30
Kovid Goyal
9b0ffdbf5a A spot of refactoring 2018-02-02 11:19:42 +05:30
Kovid Goyal
73fe3293be Fix copying from selection being restricted to only the visible part of the selection. Fixes #287 2018-01-17 21:39:24 +05:30
Kovid Goyal
898395253b Add test for ignored color id in SGR colon based color sequence 2017-12-12 18:50:37 +05:30
Kovid Goyal
2b87e1f601 Fix #170 2017-11-13 19:47:54 +05:30
Kovid Goyal
6c838bbc28 Implement dirty line tracking 2017-11-09 16:55:45 +05:30
Kovid Goyal
5b24d51fcd Fix failing screen resize test 
Take into account the index that now happens to ensure that
the cursor is on a new line.
 2017-09-30 13:51:35 +05:30
Kovid Goyal
3ca45ab241 Fix cursor moving one line up when resizing 2017-09-20 10:59:31 +05:30
Kovid Goyal
bc97cfa024 Use a null to represent a blank rather than a space 
This has performance benefits when clearing (can use a single
memset). Also allows detecting trailing whitespace on lines correctly.
 2017-09-15 10:45:16 +05:30
Kovid Goyal
029ff84f09 Remove the change tracker related tests 
The change tracker no longer exists
 2017-09-15 10:45:16 +05:30