osc133: initial patch implementation (#127)

* osc133: initial patch implementation

* Specify dependency on reflow or scrollback patch
This commit is contained in:
Utkarsh Verma 2024-10-01 21:35:30 +02:00 committed by GitHub
parent e7bdaa65d7
commit fe065cc366
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8 changed files with 71 additions and 1 deletions

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@ -467,6 +467,10 @@ static Shortcut shortcuts[] = {
#if INVERT_PATCH
{ TERMMOD, XK_X, invert, { 0 } },
#endif // INVERT_PATCH
#if OSC133_PATCH
{ TERMMOD, XK_Z, scrolltoprompt, {.i = -1}, S_PRI },
{ TERMMOD, XK_X, scrolltoprompt, {.i = 1}, S_PRI },
#endif // OSC133_PATCH
};
/*

27
patch/osc133.c Normal file
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@ -0,0 +1,27 @@
void scrolltoprompt(const Arg *arg) {
int x, y;
#if REFLOW_PATCH
int top = term.scr - term.histf;
#else
int top = term.scr - term.histn;
#endif // REFLOW_PATCH
int bot = term.scr + term.row-1;
int dy = arg->i;
Line line;
if (!dy || tisaltscr())
return;
for (y = dy; y >= top && y <= bot; y += dy) {
for (line = TLINE(y), x = 0; x < term.col; x++) {
if (line[x].mode & ATTR_FTCS_PROMPT)
goto scroll;
}
}
scroll:
if (dy < 0)
kscrollup(&((Arg){ .i = -y }));
else
kscrolldown(&((Arg){ .i = y }));
}

1
patch/osc133.h Normal file
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@ -0,0 +1 @@
static void scrolltoprompt(const Arg *);

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@ -46,4 +46,7 @@
#endif
#if XRESOURCES_PATCH
#include "xresources.c"
#endif
#endif
#if OSC133_PATCH
#include "osc133.c"
#endif

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@ -41,3 +41,6 @@
#if XRESOURCES_PATCH
#include "xresources.h"
#endif
#if OSC133_PATCH
#include "osc133.h"
#endif

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@ -301,6 +301,13 @@
*/
#define OPENURLONCLICK_PATCH 0
/* This patch allows jumping between prompts by utilizing the OSC 133 escape sequence
* emitted by shells. Must be used with either reflow or scrollback patch.
*
* https://codeberg.org/dnkl/foot#jumping-between-prompts
*/
#define OSC133_PATCH 0
/* Reflow.
* Allows st to be resized without cutting off text when the terminal window is made larger again.
* Text wraps when the terminal window is made smaller.

22
st.c
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@ -2699,6 +2699,25 @@ strhandle(void)
tfulldirt();
}
return;
#if OSC133_PATCH
case 133:
if (narg < 2)
break;
switch (*strescseq.args[1]) {
case 'A':
term.c.attr.mode |= ATTR_FTCS_PROMPT;
break;
/* We don't handle these arguments yet */
case 'B':
case 'C':
case 'D':
break;
default:
fprintf(stderr, "erresc: unknown OSC 133 argument: %c\n", *strescseq.args[1]);
break;
}
return;
#endif // OSC133_PATCH
}
break;
case 'k': /* old title set compatibility */
@ -3449,6 +3468,9 @@ check_control_code:
}
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
#if OSC133_PATCH
term.c.attr.mode &= ~ATTR_FTCS_PROMPT;
#endif // OSC133_PATCH
term.lastc = u;
if (width == 2) {

3
st.h
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@ -70,6 +70,9 @@ enum glyph_attribute {
ATTR_HIGHLIGHT = 1 << 17,
#endif // KEYBOARDSELECT_PATCH
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
#if OSC133_PATCH
ATTR_FTCS_PROMPT = 1 << 18, /* OSC 133 ; A ST */
#endif // OSC133_PATCH
};
#if SIXEL_PATCH