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Added info about include X11 in ubuntu.
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Added comment with X11 path in systems based on ubuntu.
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This reverts commit e8392b282c2eaa28725241a9612804fb55113da4.
There is currently a bug in older ncurses versions (like on OpenBSD) where a
fix for a bug with REP is not backported yet. Most likely in tty/tty_update.c:
Noticed while using lynx (which uses ncurses/curses).
To reproduce using lynx: echo "Z0000000" | lynx -stdin
or using the program:
int
main(void)
{
WINDOW *win;
win = initscr();
printw("Z0000000");
refresh();
sleep(5);
return 0;
}
This prints "ZZZZZZZ" (incorrectly).
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The sequence \e[Nb prints the last printed char N (more) times if it's
printable, and it's ignored after newline or other control chars.
This is Ecma-048/ANSI-X3.6 sequence and not DEC VT. It's supported by
xterm, and ncurses uses it when possible, e.g. when TERM is xterm* (and
with this commit also st*).
xterm supports only codepoints<=255, possibly due to internal limits.
We support any value/codepoint which was placed in a cell.
To test:
- tput rep 65 4 -> prints 'AAAA'
- printf "\342\225\246\033[4b" -> prints U+2566 1+4 times.
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Tianlin Qu discovered that st is missing rin (scroll back #1 lines).
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St uses a very good hack where mouse wheel genereates ^Y and ^E,
that are the same keys that less and vi uses for backward and
fordward scrolling. Scroll, as many terminal emulators, use
shift+Prev/Next for scrolling, but it is also using ^E and ^Y
for scroling, characters that are reserved in the POSIX shell
in emacs mode for end of line and yanking, making scroll unsable
in st.
This patch adds a new hack, making shift+wheel returning the
same sequences than shift+Prev/Next, meaning that scroll or
any other similar program will not be able to differentiate
between them.
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Pywal live reload with OSC patch and transparency fix
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while keeping transparency
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Patch by Steve Ward, thanks.
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In particular on OpenBSD and on glibc wcwidth() is quite expensive.
On musl there is little difference.
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Fix an issue with incorrect (partial) written sequences when libc wcwidth() ==
-1. The sequence is updated to on wcwidth(u) == -1:
c = "\357\277\275"
but len isn't.
A way to reproduce in practise:
* st -o dump.txt
* In the terminal: printf '\xcd\xb8'
- This is codepoint 888, on OpenBSD it reports wcwidth() == -1.
- Quit the terminal.
- Look in dump.txt (partial written sequence of "UTF_INVALID").
This was introduced in:
" commit 11625c7166b7e4dad414606227acec2de1c36464
Author: czarkoff@gmail.com <czarkoff@gmail.com>
Date: Tue Oct 28 12:55:28 2014 +0100
Replace character with U+FFFD if wcwidth() is -1
Helpful when new Unicode codepoints are not recognized by libc."
Change:
Remove setting the sequence. If this happens to break something, another
solution could be setting len = 3 for the sequence.
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st could easily tear/flicker with animation or other unattended
output. This commit eliminates most of the tear/flicker.
Before this commit, the display timing had two "modes":
- Interactively, st was waiting fixed `1000/xfps` ms after forwarding
the kb/mouse event to the application and before drawing.
- Unattended, and specifically with animations, the draw frequency was
throttled to `actionfps`. Animation at a higher rate would throttle
and likely tear, and at lower rates it was tearing big frames
(specifically, when one `read` didn't get a full "frame").
The interactive behavior was decent, but it was impossible to get good
unattended-draw behavior even with carefully chosen configuration.
This commit changes the behavior such that it draws on idle instead of
using fixed latency/frequency. This means that it tries to draw only
when it's very likely that the application has completed its output
(or after some duration without idle), so it mostly succeeds to avoid
tear, flicker, and partial drawing.
The config values minlatency/maxlatency replace xfps/actionfps and
define the range which the algorithm is allowed to wait from the
initial draw-trigger until the actual draw. The range enables the
flexibility to choose when to draw - when least likely to flicker.
It also unifies the interactive and unattended behavior and config
values, which makes the code simpler as well - without sacrificing
latency during interactive use, because typically interactively idle
arrives very quickly, so the wait is typically minlatency.
While it only slighly improves interactive behavior, for animations
and other unattended-drawing it improves greatly, as it effectively
adapts to any [animation] output rate without tearing, throttling,
redundant drawing, or unnecessary delays (sounds impossible, but it
works).
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exit(3) is not async-signal-safe but, _exit(2) is.
This change prevents st to crash and dump core.
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Updating XIM cursor position is expensive, so only update it when cursor
position changed.
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has no alpha patch
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this avoids the effects of swallow in dwm
it also will not produce dmenu without found urls
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This entry is intended for monocolor display and it is very
helpful for color haters.
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St used to use backspace as BS until the commit 230d0c8, but due
to general lack of knowledge of lusers, we moved to the most common
configuration in linux to avoid answering the same question 3 times
per month. With the most common configuration we have a backspace
that returns a DEL, and we have a Delete key that doesn't return a
DEL character neither a BS.
When dealing with devices connected using a serial line (or even
with Plan9) it is more common Backspace as BS and Delete as DEL. For
this reason, st is not always the best tool when you talk with a
serial device.
This patch adds new terminfo entries for Backspace as BS and Delete
as DEL. A patch for confg.h is also added, to make easier switch
between both configurations.
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When a read operation returns 0 then it means that we arrived to the end of the
file, and new reads will return 0 unless you do some other operation such as
lseek(). This case happens with USB-232 adapters when they are unplugged.
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Scroll is a program that stores all the lines of its child and be used in st as
a way of implementing scrollback.
This solution is much better than implementing the scrollback in st itself
because having a different program allows to use it in any other program
without doing modifications to those programs.
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Get rid of NUL character in PS1
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The first grep in the original script will return "binary file matches" if there are NUL characters in PS1, e.g, emojis.
The added line gets rid of NUL characters.
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Reported by Aajonus, thanks!
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This line didn't work at mshortcuts at config.h:
/* mask button function arg release */
{ ShiftMask, Button2, selpaste, {.i = 0}, 1 },
and now it does work.
The issue was that XButtonEvent.state is "the logical state ... just prior
to the event", which means that on release the state has the Button2Mask
bit set because button2 was down just before it was released.
The issue didn't manifest with the default shift + middle-click on release
(to override mouse mode) because its specified modifier is XK_ANY_MOD, at
which case match(...) ignores any specific bits and simply returns true.
The issue also doesn't manifest on press, because prior to the event
Button<N> was not down and its mask bit is not set.
Fix by filtering out the mask of the button which we're currently matching.
We could have said "well, that's how button events behave, you should
use ShiftMask|Button2Mask for release", but this both not obvious to
figure out, and specifically here always filtering does not prevent
configuring any useful modifiers combination. So it's a win-win.
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