3dddc11603
Send Unicode directional isolate characters around horizontal pane
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borders if the terminal support UTF-8 and an extension terminfo(5)
capability "Bidi" is present. On terminals with BiDi support (ie, VTE)
this seems to be enough to display right-to-left text acceptably enough
to be usable (with some caveats about the mouse position). Requested by
and with help from Mahmoud Elagdar in GitHub issue 2425.
2021-02-05 12:29:18 +00:00
91d112bf12
There is no need to clear every line entirely before drawing to it, this
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means moving the cursor and messes up wrapping. Better to just clear the
sections that aren't written over. GitHub issue 2537.
2021-01-18 10:27:54 +00:00
212c0c1f72
Do not force line width to grid width because it may need to be larger
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to accomodate a wide character. GitHub issue 2336.
2020-08-07 07:02:57 +00:00
03b2998abe
Do not take the address of a potentially unaligned member.
2020-06-05 09:35:41 +00:00
d9cd493d09
Reset wrapped flag when clearing or moving lines, GitHub issue 2215.
2020-06-04 21:41:31 +00:00
4694e9a2b6
Move the code to set up a padding cell into grid.c.
2020-06-02 20:51:46 +00:00
2a4d4bda2b
Allow UTF-8 characters of width 0 to be stored, it is useful to be able
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to put padding cells in as width 0.
2020-06-02 20:10:23 +00:00
f336599a3a
Make padding cell a valid character.
2020-05-27 06:23:23 +00:00
370f0bb98d
Remove leftover debug logging and fix comparison.
2020-05-26 08:56:48 +00:00
6f03e49e68
Use the internal representation for UTF-8 keys instead of wchar_t and
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drop some code only needed for that.
2020-05-25 18:57:24 +00:00
49ec074271
Tidy up new UTF-8 code and make it more generic.
2020-05-25 18:19:29 +00:00
3a5219c6d0
Instead of storing all UTF-8 characters in the extended cell which means
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that 14 bytes are wasted for each character in the BMP, only store
characters of three bytes or less in the cell itself and store others
(outside the BMP or with combining characters) in a separate global
tree. Can reduce grid memory use for heavy Unicode users by around 30%.
2020-05-25 09:32:10 +00:00
ecbdcc256f
Add screen write flags instead of individual bits and fix line length
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calculation with padding.
2020-05-16 16:22:01 +00:00
6ea6d46d0a
Store and restore cursor position when copy mode is resized, from
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Anindya Mukherjee.
2020-05-16 15:49:20 +00:00
5bf96c2f2c
Use a grid cell not a style for the pane style.
2020-05-16 14:53:23 +00:00
c7883d5c87
Use grid_empty_line rather than memset when adding new lines on resize.
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Also remove some old test code.
2020-04-15 12:59:20 +00:00
315961faec
Some more, and use of wp->window before wp NULL check in format.c.
2020-04-09 13:53:50 +00:00
e6cddcf752
Add a -T flag to resize-pane to trim lines below the cursor, moving
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lines out of the history. GitHub issue 2134.
2020-03-31 17:13:20 +00:00
edca27ae45
AIX colours are always stored as 90-97, not 100-107. From Johannes
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Altmanninger.
2020-03-21 13:51:30 +00:00
ce61bf931b
Do not set the history flag if there is no history.
2020-03-19 13:46:10 +00:00
7826d40ff9
Style nits in function arguments.
2019-12-03 10:47:22 +00:00
e3359f8349
Some minor performance improvements - most notably, don't search the
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input state table if the next character matches the same state as before.
2019-09-24 20:44:58 +00:00
58bbce09e2
Remove check for same size - size has already been changed so this
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breaks reflow.
2019-08-01 07:08:13 +00:00
b89f2f28bb
Fix grid clear code to correctly clear with the default background
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colour rather than ending up with the used count higher than the total
size, GitHub issue 1829.
2019-07-16 10:30:56 +00:00
3635b3cd6c
Correctly clear underscore colour in grid_get_cell1, also fix struct
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grid_cell to avoid padding. Fixes increased memory use reported by Suraj
N Kurapati.
2019-07-06 20:37:29 +00:00
dae2868d12
Add support for underscore colours with Setulc capability, mostly from
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Kai Moschcau.
2019-06-27 15:17:41 +00:00
e90d4a6021
Add formats for word and line under the mouse and use them to add some
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items to the pane menu.
2019-05-26 17:34:45 +00:00
1ee944a19d
Add support for overline (SGR 53), from Ricardo Banffy.
2019-05-13 20:10:23 +00:00
ffa4d48967
Store and restore cursor across reflow by working out a position based
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on unwrapped lines, rather than a grid offset. Fixes problems reported
by Thomas Sattler and Paul de Weerd.
2019-04-02 08:45:32 +00:00
792fcb1dbf
Restore a check to stop scrolled lines becoming larger than total lines,
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fixes a crash reported by Thomas Sattler.
2019-04-01 19:33:38 +00:00
9ee1a8f701
Improve cursor positioning after reflow by storing the position as an
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offset into the entire history before reflow and restoring it aftewards.
2019-03-20 19:19:11 +00:00
d738d51688
Mode init needs to be fired with the mode on the list or it will not be
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resized correctly.
2019-03-18 15:25:36 +00:00
b2bc34af12
Set a flag on cells are genuinely empty (cleared and never written to)
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and use tty_clear_line (which will choose the best escape sequence) to
clear any batches of cells with that flag when redrawing a line from the
stored screen.
2019-03-12 23:21:45 +00:00
fc41bf46ac
Add a "terminal" colour which can be used instead of "default" in style
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options for the terminal default colour, bypassing any inheritance from
other options. Prompted by a discussion with abieber@.
2018-10-25 15:13:38 +00:00
bc0e527f32
Support for extended underline styles on terminals which offer them,
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enabled by adding the Smulx capability with terminal-overrides (add
something like ',vte*:Smulx=\E[4\:%p1%dm'). GitHub issue 1492.
2018-10-18 07:57:57 +00:00
e7d53020b4
Helper function to shorten history.
2018-07-11 06:51:39 +00:00
03519021b9
Add function comments.
2018-07-11 06:43:45 +00:00
2fae6a5761
Add accessors for grid linedata member, for some future work. From Dan
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Aloni.
2018-07-04 09:44:07 +00:00
d0c992306d
Fix some compiler warnings; from Thomas Adam.
2018-06-11 11:14:10 +00:00
ba31d3a88c
Increment the lines counter when skipping a line to avoid an infinite
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loop, and fix a check to avoid a potential out-of-bounds access. Problem
reported by Yuxiang Qin and tracked down by Karl Beldan; GitHub issue
1352.
Also a man page fix request by jmc@.
2018-06-03 10:17:30 +00:00
2595718dd3
Include source function name in grid_check_y logging.
2018-04-18 14:31:42 +00:00
320abba341
Reflowing the grid in-place involved way too much memmove() for a big
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performance cost with a large history. Instead change back to using a
second grid and copying modified lines over which is much faster (this
doesn't revert to the old code however which didn't support UTF-8
properly). GitHub issue 1249.
2018-02-16 09:51:41 +00:00
533a5719c5
Completely rewrite the reflow code to correctly handle double width
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characters (previously they were not accounted for).
2017-11-15 19:21:24 +00:00
50a5f84cb4
Support mouse on preview in tree mode.
2017-11-03 17:02:33 +00:00
6fdaaa0637
Do not free more lines than are available in the history.
2017-09-11 06:40:46 +00:00
70bc07a358
Previously, extended cell data was never reduced in size even when the
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cell was overwritten. With a large history this can be a substantial
amount of memory. To reduce this, compact each extended cell list to
only cells in use as it is scrolled off the visible screen into the
history. From Dan Aloni in GitHub issue 1062.
2017-09-10 14:36:12 +00:00
6abfd9b8ff
Instead of overloading the line clear function to mean free if
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background is default (8), introduce an explicit free function and use
it where a free alone is needed. Likewise, use memmove directly rather
than grid_move_lines where it makes sense. Based on a memory leak fix by
Dan Aloni in GitHub issue 1051.
2017-08-30 18:13:47 +00:00
31625c2d17
Line length and spaces to tabs.
2017-05-16 12:57:26 +00:00
d58c3793d6
Some other unused variables.
2017-05-13 07:30:50 +00:00
0cd74723e1
When expanding a line in order to clear it, we need to use the default
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background colour - there may be portions that we do not want to clear
with the new background colour.
2017-05-12 15:18:13 +00:00
