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Revert "support REP (repeat) escape sequence"

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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).
This commit is contained in:
bakkeby 2020-05-20 15:00:46 +02:00
parent eb56c17d51
commit a095e46895
3 changed files with 2 additions and 13 deletions
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4
README.md
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@ -1,4 +1,4 @@
Similar to [dwm-flexipatch](https://github.com/bakkeby/dwm-flexipatch) this st 0.8.3 (113da4, 2020-05-16) project has a different take on st patching. It uses preprocessor directives to decide whether or not to include a patch during build time. Essentially this means that this build, for better or worse, contains both the patched _and_ the original code. The aim being that you can select which patches to include and the build will contain that code and nothing more.
Similar to [dwm-flexipatch](https://github.com/bakkeby/dwm-flexipatch) this st 0.8.3 (453eb7, 2020-05-16) project has a different take on st patching. It uses preprocessor directives to decide whether or not to include a patch during build time. Essentially this means that this build, for better or worse, contains both the patched _and_ the original code. The aim being that you can select which patches to include and the build will contain that code and nothing more.
For example to include the `alpha` patch then you would only need to flip this setting from 0 to 1 in [patches.h](https://github.com/bakkeby/st-flexipatch/blob/master/patches.def.h):
```c
@ -15,7 +15,7 @@ Refer to [https://st.suckless.org/](https://st.suckless.org/) for details on the
### Changelog:
2020-05-20 - Upgrade to 113da4, 2020-05-09, removed visualbell 1, 2, 3 patches and force redraw after keypress due to incompatibility
2020-05-20 - Upgrade to 453eb7, 2020-05-09, removed visualbell 1, 2, 3 patches and force redraw after keypress due to incompatibility
2020-04-20 - Upgrade to c279f5, 2020-04-19, and added the force redraw on pselect after key is pressed patch and the externalpipein patch

10
st.c
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@ -142,7 +142,6 @@ typedef struct {
int charset; /* current charset */
int icharset; /* selected charset for sequence */
int *tabs;
Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;
/* CSI Escape sequence structs */
@ -1794,12 +1793,6 @@ csihandle(void)
if (csiescseq.arg[0] == 0)
ttywrite(vtiden, strlen(vtiden), 0);
break;
case 'b': /* REP -- if last char is printable print it <n> more times */
DEFAULT(csiescseq.arg[0], 1);
if (term.lastc)
while (csiescseq.arg[0]-- > 0)
tputc(term.lastc);
break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
DEFAULT(csiescseq.arg[0], 1);
@ -2550,8 +2543,6 @@ check_control_code:
/*
* control codes are not shown ever
*/
if (!term.esc)
term.lastc = 0;
return;
} else if (term.esc & ESC_START) {
if (term.esc & ESC_CSI) {
@ -2601,7 +2592,6 @@ check_control_code:
}
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
term.lastc = u;
if (width == 2) {
gp->mode |= ATTR_WIDE;

1
st.info
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@ -184,7 +184,6 @@ st-mono| simpleterm monocolor,
# XTerm extensions
rmxx=\E[29m,
smxx=\E[9m,
rep=%p1%c\E[%p2%{1}%-%db,
# tmux extensions, see TERMINFO EXTENSIONS in tmux(1)
Tc,
Ms=\E]52;%p1%s;%p2%s\007,