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and supports larger terminals than the older way.
If the new mouse-utf8 option is on, UTF-8 mouse input is enabled for all
UTF-8 terminals. The option defaults to on if LANG etc are set in the
same manner as the utf8 option.
With help and based on code from hsim at gmx.li.
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gmx.li.
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characters we weren't overlapping. Fixes "disappearing wide characters"
glitch. From Micah Cowan.
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Micah Cowan.
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time now I've configured emacs to make them displayed in really annoying
colours...
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the rest to reduce lint output.
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data into functions in a new file, grid-utf8.c, and use sizeof intead of
UTF8_DATA.
Also nuke trailing whitespace from tmux.1, reminded by jmc.
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from parfait via deraadt.
While here, add a statement to set the width when filling with _s if not enough
space (width should never be high enough at the moment anyway), and wrap some
long lines.
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Get rid of passing around u_char[4]s and define a struct utf8_data which has
character data, size (sequence length) and width. Move UTF-8 character
collection into two functions utf8_open/utf8_append in utf8.c which fill in
this struct and use these functions from input.c and the various functions in
screen-write.c.
Space for rather more data than is necessary for one UTF-8 sequence is in the
utf8_data struct because screen_write_copy is still nasty and needs to reinject
the character (after combining) into screen_write_cell.
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Thai can have treble combinations (1 x width=1 then 2 x width=0) so bump the
UTF-8 cell data size to 9 and alter the code to allow this.
Also break off the combining code into a separate function, handle any further
combining beyond the buffer size by replacing the character with _s, and when
redrawing the UTF-8 character don't assume the first part has just been
printed, redraw the entire line.
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where it has access to the tty width, which is what should have been checked.
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last cursor position.
Also nuke an unused variable.
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is probably a better idea anyway.
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position to avoid an explicit wrap, actually move it there.
Some UTF-8 fixes to come.
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permit them to wrap naturally again. This allows terminals that use this to
guess where lines start and end for eg mouse selecting (like xterm) to work
correctly.
This was another long-standing issue raised by several people over the last
while.
Thanks to martynas@ for much testing. This was not trivial to get right so
bringing it in for wider testing and adn to fix any further glitches in-tree.
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wrapped, move the cursor back up to the end of the previous line.
Another one of the forgotten persons requested this quite a while ago (I need
to start noting names on todo items...) when it was quite hard to
implement. Now it is easy and I don't see it can do any harm, so hey presto...
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"noblink".
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allowed it to be bigger), and use clear line/EOL sequences rather than spaces
in copy/scroll mode.
This fixes xterm copy/paste from tmux which treats trailing spaces differently
from clearing a line with the escape sequences. Reported by martynas@.
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palette by setting "colour0" to "colour255".
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#[] special characters, for example #[fg=red,bg=blue,blink].
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than just the second. Remove unused assignment.
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buffer_ensure in buffer.c; expand grid lines by a greater increase than one
each time; and don't read UTF-8 data unless it actually needs to be checked
when overwriting a cell.
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currently off-screen due to resize, but somewhere along the way this got
lost. Restore this behaviour to scroll mode by fixing screen_write_copy to read
up to the saved line length rather than the current screen width. Copy mode
remains unaltered for now.
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wrapped at the screen edge from those terminated by a newline. Then use this
when copying to combine wrapped lines together into one.
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screen was updated) out of struct screen and into struct tty_ctx.
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pointers, so remove it and use the function pointers directly to represent
themselves.
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by using a struct rather than hiding everything with varargs.
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tty_cmd_utf8character and eliminate the size argument.
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the scroll region top if starting from below it and cud stop at the bottom if
starting from above). Fixes another vttest test.
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lines that should be inserted/deleted but not moved. Fixes problems with mutt
reported by Brian Lewis, thanks.
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functions (currently don't fully work, this is to make fix easier).
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of characters which may be inserted or deleted is the screen width, not one
less (and similarly for lines and height); and if characters or lines are
deleted by moving the ones that follow, the space at the end needs to be
cleared.
This appears to solve long-standing redraw issues most visible when using the
force-width option then scrolling in view(1) or unwrapping lines in emacs.
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done for UTF-8, limit to the maximum length correctly when printing, and always
print a space even if the left string is longer than the width available.
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No binary change.
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as normal.
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first cursor test in vttest (in ports) to pass; it still shops a few more
problems though.
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to the cursor is cy not cy - 1, and the current cursor cell should be included.
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characters in status-left and status-right (if on, they are treated as UTF-8;
otherwise passed through).
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status-left/status-right work properly. At the moment any top-bit-set
characters are assumed to be UTF-8: a status-utf8 option to configure this will
come shortly.
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terminal to be switched between several different windows and programs
displayed on one terminal be detached from one terminal and moved to another.
ok deraadt pirofti
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